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)
4620 EXPORT_SYMBOL(cfg80211_check_station_change);
4623 * Get vlan interface making sure it is running and on the right wiphy.
4625 static struct net_device *get_vlan(struct genl_info *info,
4626 struct cfg80211_registered_device *rdev)
4628 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
4629 struct net_device *v;
4635 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
4637 return ERR_PTR(-ENODEV);
4639 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
4644 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
4645 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4646 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
4651 if (!netif_running(v)) {
4659 return ERR_PTR(ret);
4662 static const struct nla_policy
4663 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
4664 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
4665 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
4668 static int nl80211_parse_sta_wme(struct genl_info *info,
4669 struct station_parameters *params)
4671 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
4675 /* parse WME attributes if present */
4676 if (!info->attrs[NL80211_ATTR_STA_WME])
4679 nla = info->attrs[NL80211_ATTR_STA_WME];
4680 err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
4681 nl80211_sta_wme_policy);
4685 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
4686 params->uapsd_queues = nla_get_u8(
4687 tb[NL80211_STA_WME_UAPSD_QUEUES]);
4688 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
4691 if (tb[NL80211_STA_WME_MAX_SP])
4692 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
4694 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
4697 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
4702 static int nl80211_parse_sta_channel_info(struct genl_info *info,
4703 struct station_parameters *params)
4705 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
4706 params->supported_channels =
4707 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
4708 params->supported_channels_len =
4709 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
4711 * Need to include at least one (first channel, number of
4712 * channels) tuple for each subband, and must have proper
4713 * tuples for the rest of the data as well.
4715 if (params->supported_channels_len < 2)
4717 if (params->supported_channels_len % 2)
4721 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
4722 params->supported_oper_classes =
4723 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
4724 params->supported_oper_classes_len =
4725 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
4727 * The value of the Length field of the Supported Operating
4728 * Classes element is between 2 and 253.
4730 if (params->supported_oper_classes_len < 2 ||
4731 params->supported_oper_classes_len > 253)
4737 static int nl80211_set_station_tdls(struct genl_info *info,
4738 struct station_parameters *params)
4741 /* Dummy STA entry gets updated once the peer capabilities are known */
4742 if (info->attrs[NL80211_ATTR_PEER_AID])
4743 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
4744 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
4746 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
4747 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
4749 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
4751 err = nl80211_parse_sta_channel_info(info, params);
4755 return nl80211_parse_sta_wme(info, params);
4758 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
4760 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4761 struct net_device *dev = info->user_ptr[1];
4762 struct station_parameters params;
4766 memset(¶ms, 0, sizeof(params));
4768 if (!rdev->ops->change_station)
4772 * AID and listen_interval properties can be set only for unassociated
4773 * station. Include these parameters here and will check them in
4774 * cfg80211_check_station_change().
4776 if (info->attrs[NL80211_ATTR_STA_AID])
4777 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
4779 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
4780 params.listen_interval =
4781 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
4783 params.listen_interval = -1;
4785 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
4788 tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
4789 if (tmp >= NUM_NL80211_P2P_PS_STATUS)
4792 params.support_p2p_ps = tmp;
4794 params.support_p2p_ps = -1;
4797 if (!info->attrs[NL80211_ATTR_MAC])
4800 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4802 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
4803 params.supported_rates =
4804 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4805 params.supported_rates_len =
4806 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4809 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4811 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4812 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4815 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4817 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4818 params.ext_capab_len =
4819 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4822 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
4825 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
4826 params.plink_action =
4827 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4828 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4832 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
4833 params.plink_state =
4834 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
4835 if (params.plink_state >= NUM_NL80211_PLINK_STATES)
4837 if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) {
4838 params.peer_aid = nla_get_u16(
4839 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
4840 if (params.peer_aid > IEEE80211_MAX_AID)
4843 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
4846 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) {
4847 enum nl80211_mesh_power_mode pm = nla_get_u32(
4848 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
4850 if (pm <= NL80211_MESH_POWER_UNKNOWN ||
4851 pm > NL80211_MESH_POWER_MAX)
4854 params.local_pm = pm;
4857 /* Include parameters for TDLS peer (will check later) */
4858 err = nl80211_set_station_tdls(info, ¶ms);
4862 params.vlan = get_vlan(info, rdev);
4863 if (IS_ERR(params.vlan))
4864 return PTR_ERR(params.vlan);
4866 switch (dev->ieee80211_ptr->iftype) {
4867 case NL80211_IFTYPE_AP:
4868 case NL80211_IFTYPE_AP_VLAN:
4869 case NL80211_IFTYPE_P2P_GO:
4870 case NL80211_IFTYPE_P2P_CLIENT:
4871 case NL80211_IFTYPE_STATION:
4872 case NL80211_IFTYPE_ADHOC:
4873 case NL80211_IFTYPE_MESH_POINT:
4880 /* driver will call cfg80211_check_station_change() */
4881 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
4885 dev_put(params.vlan);
4890 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
4892 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4894 struct net_device *dev = info->user_ptr[1];
4895 struct station_parameters params;
4896 u8 *mac_addr = NULL;
4897 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4898 BIT(NL80211_STA_FLAG_ASSOCIATED);
4900 memset(¶ms, 0, sizeof(params));
4902 if (!rdev->ops->add_station)
4905 if (!info->attrs[NL80211_ATTR_MAC])
4908 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
4911 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
4914 if (!info->attrs[NL80211_ATTR_STA_AID] &&
4915 !info->attrs[NL80211_ATTR_PEER_AID])
4918 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4919 params.supported_rates =
4920 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4921 params.supported_rates_len =
4922 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4923 params.listen_interval =
4924 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
4926 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
4929 tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
4930 if (tmp >= NUM_NL80211_P2P_PS_STATUS)
4933 params.support_p2p_ps = tmp;
4936 * if not specified, assume it's supported for P2P GO interface,
4937 * and is NOT supported for AP interface
4939 params.support_p2p_ps =
4940 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
4943 if (info->attrs[NL80211_ATTR_PEER_AID])
4944 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
4946 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
4947 if (!params.aid || params.aid > IEEE80211_MAX_AID)
4950 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4952 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4953 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4956 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4958 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4959 params.ext_capab_len =
4960 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4963 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
4965 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
4967 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
4969 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
4971 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
4972 params.opmode_notif_used = true;
4973 params.opmode_notif =
4974 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
4977 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
4978 params.plink_action =
4979 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4980 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4984 err = nl80211_parse_sta_channel_info(info, ¶ms);
4988 err = nl80211_parse_sta_wme(info, ¶ms);
4992 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
4995 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
4996 * as userspace might just pass through the capabilities from the IEs
4997 * directly, rather than enforcing this restriction and returning an
4998 * error in this case.
5000 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5001 params.ht_capa = NULL;
5002 params.vht_capa = NULL;
5005 /* When you run into this, adjust the code below for the new flag */
5006 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5008 switch (dev->ieee80211_ptr->iftype) {
5009 case NL80211_IFTYPE_AP:
5010 case NL80211_IFTYPE_AP_VLAN:
5011 case NL80211_IFTYPE_P2P_GO:
5012 /* ignore WME attributes if iface/sta is not capable */
5013 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5014 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5015 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5017 /* TDLS peers cannot be added */
5018 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5019 info->attrs[NL80211_ATTR_PEER_AID])
5021 /* but don't bother the driver with it */
5022 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5024 /* allow authenticated/associated only if driver handles it */
5025 if (!(rdev->wiphy.features &
5026 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5027 params.sta_flags_mask & auth_assoc)
5030 /* Older userspace, or userspace wanting to be compatible with
5031 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5032 * and assoc flags in the mask, but assumes the station will be
5033 * added as associated anyway since this was the required driver
5034 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5036 * In order to not bother drivers with this quirk in the API
5037 * set the flags in both the mask and set for new stations in
5040 if (!(params.sta_flags_mask & auth_assoc)) {
5041 params.sta_flags_mask |= auth_assoc;
5042 params.sta_flags_set |= auth_assoc;
5045 /* must be last in here for error handling */
5046 params.vlan = get_vlan(info, rdev);
5047 if (IS_ERR(params.vlan))
5048 return PTR_ERR(params.vlan);
5050 case NL80211_IFTYPE_MESH_POINT:
5051 /* ignore uAPSD data */
5052 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5054 /* associated is disallowed */
5055 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
5057 /* TDLS peers cannot be added */
5058 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5059 info->attrs[NL80211_ATTR_PEER_AID])
5062 case NL80211_IFTYPE_STATION:
5063 case NL80211_IFTYPE_P2P_CLIENT:
5064 /* ignore uAPSD data */
5065 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5067 /* these are disallowed */
5068 if (params.sta_flags_mask &
5069 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
5070 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
5072 /* Only TDLS peers can be added */
5073 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5075 /* Can only add if TDLS ... */
5076 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
5078 /* ... with external setup is supported */
5079 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
5082 * Older wpa_supplicant versions always mark the TDLS peer
5083 * as authorized, but it shouldn't yet be.
5085 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
5091 /* be aware of params.vlan when changing code here */
5093 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
5096 dev_put(params.vlan);
5100 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
5102 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5103 struct net_device *dev = info->user_ptr[1];
5104 struct station_del_parameters params;
5106 memset(¶ms, 0, sizeof(params));
5108 if (info->attrs[NL80211_ATTR_MAC])
5109 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5111 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5112 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5113 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
5114 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5117 if (!rdev->ops->del_station)
5120 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
5122 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
5123 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
5124 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
5127 /* Default to Deauthentication frame */
5128 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
5131 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
5132 params.reason_code =
5133 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5134 if (params.reason_code == 0)
5135 return -EINVAL; /* 0 is reserved */
5137 /* Default to reason code 2 */
5138 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
5141 return rdev_del_station(rdev, dev, ¶ms);
5144 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
5145 int flags, struct net_device *dev,
5146 u8 *dst, u8 *next_hop,
5147 struct mpath_info *pinfo)
5150 struct nlattr *pinfoattr;
5152 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
5156 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5157 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
5158 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
5159 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
5160 goto nla_put_failure;
5162 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
5164 goto nla_put_failure;
5165 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
5166 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
5168 goto nla_put_failure;
5169 if (((pinfo->filled & MPATH_INFO_SN) &&
5170 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
5171 ((pinfo->filled & MPATH_INFO_METRIC) &&
5172 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
5174 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
5175 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
5177 ((pinfo->filled & MPATH_INFO_FLAGS) &&
5178 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
5180 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
5181 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
5182 pinfo->discovery_timeout)) ||
5183 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
5184 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
5185 pinfo->discovery_retries)))
5186 goto nla_put_failure;
5188 nla_nest_end(msg, pinfoattr);
5190 genlmsg_end(msg, hdr);
5194 genlmsg_cancel(msg, hdr);
5198 static int nl80211_dump_mpath(struct sk_buff *skb,
5199 struct netlink_callback *cb)
5201 struct mpath_info pinfo;
5202 struct cfg80211_registered_device *rdev;
5203 struct wireless_dev *wdev;
5205 u8 next_hop[ETH_ALEN];
5206 int path_idx = cb->args[2];
5209 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
5213 if (!rdev->ops->dump_mpath) {
5218 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
5224 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
5231 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
5232 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5233 wdev->netdev, dst, next_hop,
5241 cb->args[2] = path_idx;
5244 nl80211_finish_wdev_dump(rdev);
5248 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
5250 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5252 struct net_device *dev = info->user_ptr[1];
5253 struct mpath_info pinfo;
5254 struct sk_buff *msg;
5256 u8 next_hop[ETH_ALEN];
5258 memset(&pinfo, 0, sizeof(pinfo));
5260 if (!info->attrs[NL80211_ATTR_MAC])
5263 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5265 if (!rdev->ops->get_mpath)
5268 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5271 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
5275 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5279 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
5280 dev, dst, next_hop, &pinfo) < 0) {
5285 return genlmsg_reply(msg, info);
5288 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
5290 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5291 struct net_device *dev = info->user_ptr[1];
5293 u8 *next_hop = NULL;
5295 if (!info->attrs[NL80211_ATTR_MAC])
5298 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
5301 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5302 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
5304 if (!rdev->ops->change_mpath)
5307 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5310 return rdev_change_mpath(rdev, dev, dst, next_hop);
5313 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
5315 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5316 struct net_device *dev = info->user_ptr[1];
5318 u8 *next_hop = NULL;
5320 if (!info->attrs[NL80211_ATTR_MAC])
5323 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
5326 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5327 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
5329 if (!rdev->ops->add_mpath)
5332 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5335 return rdev_add_mpath(rdev, dev, dst, next_hop);
5338 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
5340 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5341 struct net_device *dev = info->user_ptr[1];
5344 if (info->attrs[NL80211_ATTR_MAC])
5345 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5347 if (!rdev->ops->del_mpath)
5350 return rdev_del_mpath(rdev, dev, dst);
5353 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
5355 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5357 struct net_device *dev = info->user_ptr[1];
5358 struct mpath_info pinfo;
5359 struct sk_buff *msg;
5363 memset(&pinfo, 0, sizeof(pinfo));
5365 if (!info->attrs[NL80211_ATTR_MAC])
5368 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5370 if (!rdev->ops->get_mpp)
5373 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5376 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
5380 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5384 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
5385 dev, dst, mpp, &pinfo) < 0) {
5390 return genlmsg_reply(msg, info);
5393 static int nl80211_dump_mpp(struct sk_buff *skb,
5394 struct netlink_callback *cb)
5396 struct mpath_info pinfo;
5397 struct cfg80211_registered_device *rdev;
5398 struct wireless_dev *wdev;
5401 int path_idx = cb->args[2];
5404 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
5408 if (!rdev->ops->dump_mpp) {
5413 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
5419 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
5426 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
5427 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5428 wdev->netdev, dst, mpp,
5436 cb->args[2] = path_idx;
5439 nl80211_finish_wdev_dump(rdev);
5443 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
5445 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5446 struct net_device *dev = info->user_ptr[1];
5447 struct wireless_dev *wdev = dev->ieee80211_ptr;
5448 struct bss_parameters params;
5451 memset(¶ms, 0, sizeof(params));
5452 /* default to not changing parameters */
5453 params.use_cts_prot = -1;
5454 params.use_short_preamble = -1;
5455 params.use_short_slot_time = -1;
5456 params.ap_isolate = -1;
5457 params.ht_opmode = -1;
5458 params.p2p_ctwindow = -1;
5459 params.p2p_opp_ps = -1;
5461 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
5462 params.use_cts_prot =
5463 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
5464 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
5465 params.use_short_preamble =
5466 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
5467 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
5468 params.use_short_slot_time =
5469 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
5470 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
5471 params.basic_rates =
5472 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
5473 params.basic_rates_len =
5474 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
5476 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
5477 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
5478 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
5480 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
5482 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5483 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5485 params.p2p_ctwindow =
5486 nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5487 if (params.p2p_ctwindow < 0)
5489 if (params.p2p_ctwindow != 0 &&
5490 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
5494 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5497 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5499 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5502 params.p2p_opp_ps = tmp;
5503 if (params.p2p_opp_ps &&
5504 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
5508 if (!rdev->ops->change_bss)
5511 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5512 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5516 err = rdev_change_bss(rdev, dev, ¶ms);
5522 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
5526 enum nl80211_user_reg_hint_type user_reg_hint_type;
5530 * You should only get this when cfg80211 hasn't yet initialized
5531 * completely when built-in to the kernel right between the time
5532 * window between nl80211_init() and regulatory_init(), if that is
5535 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
5536 return -EINPROGRESS;
5538 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
5539 user_reg_hint_type =
5540 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
5542 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
5544 switch (user_reg_hint_type) {
5545 case NL80211_USER_REG_HINT_USER:
5546 case NL80211_USER_REG_HINT_CELL_BASE:
5547 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
5550 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
5551 return regulatory_hint_user(data, user_reg_hint_type);
5552 case NL80211_USER_REG_HINT_INDOOR:
5553 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
5554 owner_nlportid = info->snd_portid;
5555 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
5561 return regulatory_hint_indoor(is_indoor, owner_nlportid);
5567 static int nl80211_get_mesh_config(struct sk_buff *skb,
5568 struct genl_info *info)
5570 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5571 struct net_device *dev = info->user_ptr[1];
5572 struct wireless_dev *wdev = dev->ieee80211_ptr;
5573 struct mesh_config cur_params;
5576 struct nlattr *pinfoattr;
5577 struct sk_buff *msg;
5579 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
5582 if (!rdev->ops->get_mesh_config)
5586 /* If not connected, get default parameters */
5587 if (!wdev->mesh_id_len)
5588 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
5590 err = rdev_get_mesh_config(rdev, dev, &cur_params);
5596 /* Draw up a netlink message to send back */
5597 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5600 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
5601 NL80211_CMD_GET_MESH_CONFIG);
5604 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
5606 goto nla_put_failure;
5607 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5608 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
5609 cur_params.dot11MeshRetryTimeout) ||
5610 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
5611 cur_params.dot11MeshConfirmTimeout) ||
5612 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
5613 cur_params.dot11MeshHoldingTimeout) ||
5614 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
5615 cur_params.dot11MeshMaxPeerLinks) ||
5616 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
5617 cur_params.dot11MeshMaxRetries) ||
5618 nla_put_u8(msg, NL80211_MESHCONF_TTL,
5619 cur_params.dot11MeshTTL) ||
5620 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
5621 cur_params.element_ttl) ||
5622 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
5623 cur_params.auto_open_plinks) ||
5624 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
5625 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
5626 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
5627 cur_params.dot11MeshHWMPmaxPREQretries) ||
5628 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
5629 cur_params.path_refresh_time) ||
5630 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
5631 cur_params.min_discovery_timeout) ||
5632 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
5633 cur_params.dot11MeshHWMPactivePathTimeout) ||
5634 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
5635 cur_params.dot11MeshHWMPpreqMinInterval) ||
5636 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
5637 cur_params.dot11MeshHWMPperrMinInterval) ||
5638 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
5639 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
5640 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
5641 cur_params.dot11MeshHWMPRootMode) ||
5642 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
5643 cur_params.dot11MeshHWMPRannInterval) ||
5644 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
5645 cur_params.dot11MeshGateAnnouncementProtocol) ||
5646 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
5647 cur_params.dot11MeshForwarding) ||
5648 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
5649 cur_params.rssi_threshold) ||
5650 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
5651 cur_params.ht_opmode) ||
5652 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
5653 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
5654 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
5655 cur_params.dot11MeshHWMProotInterval) ||
5656 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
5657 cur_params.dot11MeshHWMPconfirmationInterval) ||
5658 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
5659 cur_params.power_mode) ||
5660 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
5661 cur_params.dot11MeshAwakeWindowDuration) ||
5662 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
5663 cur_params.plink_timeout))
5664 goto nla_put_failure;
5665 nla_nest_end(msg, pinfoattr);
5666 genlmsg_end(msg, hdr);
5667 return genlmsg_reply(msg, info);
5670 genlmsg_cancel(msg, hdr);
5676 static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
5677 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
5678 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
5679 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
5680 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
5681 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
5682 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
5683 [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
5684 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
5685 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 },
5686 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
5687 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
5688 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
5689 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
5690 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
5691 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 },
5692 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
5693 [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
5694 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
5695 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
5696 [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
5697 [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
5698 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
5699 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
5700 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
5701 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
5702 [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 },
5703 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
5704 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
5707 static const struct nla_policy
5708 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
5709 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
5710 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
5711 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
5712 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
5713 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
5714 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
5715 [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
5716 .len = IEEE80211_MAX_DATA_LEN },
5717 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
5720 static int nl80211_check_bool(const struct nlattr *nla, u8 min, u8 max, bool *out)
5722 u8 val = nla_get_u8(nla);
5723 if (val < min || val > max)
5729 static int nl80211_check_u8(const struct nlattr *nla, u8 min, u8 max, u8 *out)
5731 u8 val = nla_get_u8(nla);
5732 if (val < min || val > max)
5738 static int nl80211_check_u16(const struct nlattr *nla, u16 min, u16 max, u16 *out)
5740 u16 val = nla_get_u16(nla);
5741 if (val < min || val > max)
5747 static int nl80211_check_u32(const struct nlattr *nla, u32 min, u32 max, u32 *out)
5749 u32 val = nla_get_u32(nla);
5750 if (val < min || val > max)
5756 static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *out)
5758 s32 val = nla_get_s32(nla);
5759 if (val < min || val > max)
5765 static int nl80211_check_power_mode(const struct nlattr *nla,
5766 enum nl80211_mesh_power_mode min,
5767 enum nl80211_mesh_power_mode max,
5768 enum nl80211_mesh_power_mode *out)
5770 u32 val = nla_get_u32(nla);
5771 if (val < min || val > max)
5777 static int nl80211_parse_mesh_config(struct genl_info *info,
5778 struct mesh_config *cfg,
5781 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
5785 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5788 if (fn(tb[attr], min, max, &cfg->param)) \
5790 mask |= (1 << (attr - 1)); \
5794 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
5796 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
5797 info->attrs[NL80211_ATTR_MESH_CONFIG],
5798 nl80211_meshconf_params_policy))
5801 /* This makes sure that there aren't more than 32 mesh config
5802 * parameters (otherwise our bitfield scheme would not work.) */
5803 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
5805 /* Fill in the params struct */
5806 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255,
5807 mask, NL80211_MESHCONF_RETRY_TIMEOUT,
5809 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255,
5810 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT,
5812 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255,
5813 mask, NL80211_MESHCONF_HOLDING_TIMEOUT,
5815 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255,
5816 mask, NL80211_MESHCONF_MAX_PEER_LINKS,
5818 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16,
5819 mask, NL80211_MESHCONF_MAX_RETRIES,
5821 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255,
5822 mask, NL80211_MESHCONF_TTL, nl80211_check_u8);
5823 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255,
5824 mask, NL80211_MESHCONF_ELEMENT_TTL,
5826 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1,
5827 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
5828 nl80211_check_bool);
5829 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
5831 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
5833 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255,
5834 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
5836 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535,
5837 mask, NL80211_MESHCONF_PATH_REFRESH_TIME,
5839 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535,
5840 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
5842 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
5844 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
5846 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
5848 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
5850 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
5852 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
5854 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
5855 dot11MeshHWMPnetDiameterTraversalTime,
5857 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
5859 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4,
5860 mask, NL80211_MESHCONF_HWMP_ROOTMODE,
5862 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535,
5863 mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
5865 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
5866 dot11MeshGateAnnouncementProtocol, 0, 1,
5867 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
5868 nl80211_check_bool);
5869 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1,
5870 mask, NL80211_MESHCONF_FORWARDING,
5871 nl80211_check_bool);
5872 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0,
5873 mask, NL80211_MESHCONF_RSSI_THRESHOLD,
5876 * Check HT operation mode based on
5877 * IEEE 802.11 2012 8.4.2.59 HT Operation element.
5879 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
5880 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
5882 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
5883 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
5884 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
5887 if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
5888 (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
5891 switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) {
5892 case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
5893 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
5894 if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)
5897 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
5898 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
5899 if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
5903 cfg->ht_opmode = ht_opmode;
5905 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
5907 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
5909 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535,
5910 mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
5912 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
5913 dot11MeshHWMPconfirmationInterval,
5915 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
5917 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode,
5918 NL80211_MESH_POWER_ACTIVE,
5919 NL80211_MESH_POWER_MAX,
5920 mask, NL80211_MESHCONF_POWER_MODE,
5921 nl80211_check_power_mode);
5922 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration,
5924 NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16);
5925 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff,
5926 mask, NL80211_MESHCONF_PLINK_TIMEOUT,
5933 #undef FILL_IN_MESH_PARAM_IF_SET
5936 static int nl80211_parse_mesh_setup(struct genl_info *info,
5937 struct mesh_setup *setup)
5939 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5940 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
5942 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
5944 if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
5945 info->attrs[NL80211_ATTR_MESH_SETUP],
5946 nl80211_mesh_setup_params_policy))
5949 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
5950 setup->sync_method =
5951 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
5952 IEEE80211_SYNC_METHOD_VENDOR :
5953 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
5955 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
5956 setup->path_sel_proto =
5957 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
5958 IEEE80211_PATH_PROTOCOL_VENDOR :
5959 IEEE80211_PATH_PROTOCOL_HWMP;
5961 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
5962 setup->path_metric =
5963 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
5964 IEEE80211_PATH_METRIC_VENDOR :
5965 IEEE80211_PATH_METRIC_AIRTIME;
5967 if (tb[NL80211_MESH_SETUP_IE]) {
5968 struct nlattr *ieattr =
5969 tb[NL80211_MESH_SETUP_IE];
5970 if (!is_valid_ie_attr(ieattr))
5972 setup->ie = nla_data(ieattr);
5973 setup->ie_len = nla_len(ieattr);
5975 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
5976 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
5978 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
5979 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
5980 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
5981 if (setup->is_secure)
5982 setup->user_mpm = true;
5984 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
5985 if (!setup->user_mpm)
5988 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
5994 static int nl80211_update_mesh_config(struct sk_buff *skb,
5995 struct genl_info *info)
5997 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5998 struct net_device *dev = info->user_ptr[1];
5999 struct wireless_dev *wdev = dev->ieee80211_ptr;
6000 struct mesh_config cfg;
6004 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6007 if (!rdev->ops->update_mesh_config)
6010 err = nl80211_parse_mesh_config(info, &cfg, &mask);
6015 if (!wdev->mesh_id_len)
6019 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
6026 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6027 struct sk_buff *msg)
6029 struct nlattr *nl_reg_rules;
6032 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6033 (regdom->dfs_region &&
6034 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
6035 goto nla_put_failure;
6037 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
6039 goto nla_put_failure;
6041 for (i = 0; i < regdom->n_reg_rules; i++) {
6042 struct nlattr *nl_reg_rule;
6043 const struct ieee80211_reg_rule *reg_rule;
6044 const struct ieee80211_freq_range *freq_range;
6045 const struct ieee80211_power_rule *power_rule;
6046 unsigned int max_bandwidth_khz;
6048 reg_rule = ®dom->reg_rules[i];
6049 freq_range = ®_rule->freq_range;
6050 power_rule = ®_rule->power_rule;
6052 nl_reg_rule = nla_nest_start(msg, i);
6054 goto nla_put_failure;
6056 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6057 if (!max_bandwidth_khz)
6058 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6061 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6063 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6064 freq_range->start_freq_khz) ||
6065 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6066 freq_range->end_freq_khz) ||
6067 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
6068 max_bandwidth_khz) ||
6069 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6070 power_rule->max_antenna_gain) ||
6071 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
6072 power_rule->max_eirp) ||
6073 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6074 reg_rule->dfs_cac_ms))
6075 goto nla_put_failure;
6077 nla_nest_end(msg, nl_reg_rule);
6080 nla_nest_end(msg, nl_reg_rules);
6087 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
6089 const struct ieee80211_regdomain *regdom = NULL;
6090 struct cfg80211_registered_device *rdev;
6091 struct wiphy *wiphy = NULL;
6092 struct sk_buff *msg;
6095 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6099 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6100 NL80211_CMD_GET_REG);
6104 if (info->attrs[NL80211_ATTR_WIPHY]) {
6107 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
6110 return PTR_ERR(rdev);
6113 wiphy = &rdev->wiphy;
6114 self_managed = wiphy->regulatory_flags &
6115 REGULATORY_WIPHY_SELF_MANAGED;
6116 regdom = get_wiphy_regdom(wiphy);
6118 /* a self-managed-reg device must have a private regdom */
6119 if (WARN_ON(!regdom && self_managed)) {
6125 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6126 goto nla_put_failure;
6129 if (!wiphy && reg_last_request_cell_base() &&
6130 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6131 NL80211_USER_REG_HINT_CELL_BASE))
6132 goto nla_put_failure;
6137 regdom = rcu_dereference(cfg80211_regdomain);
6139 if (nl80211_put_regdom(regdom, msg))
6140 goto nla_put_failure_rcu;
6144 genlmsg_end(msg, hdr);
6145 return genlmsg_reply(msg, info);
6147 nla_put_failure_rcu:
6150 genlmsg_cancel(msg, hdr);
6156 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
6157 u32 seq, int flags, struct wiphy *wiphy,
6158 const struct ieee80211_regdomain *regdom)
6160 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
6161 NL80211_CMD_GET_REG);
6166 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
6168 if (nl80211_put_regdom(regdom, msg))
6169 goto nla_put_failure;
6171 if (!wiphy && reg_last_request_cell_base() &&
6172 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6173 NL80211_USER_REG_HINT_CELL_BASE))
6174 goto nla_put_failure;
6177 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6178 goto nla_put_failure;
6180 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
6181 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
6182 goto nla_put_failure;
6184 genlmsg_end(msg, hdr);
6188 genlmsg_cancel(msg, hdr);
6192 static int nl80211_get_reg_dump(struct sk_buff *skb,
6193 struct netlink_callback *cb)
6195 const struct ieee80211_regdomain *regdom = NULL;
6196 struct cfg80211_registered_device *rdev;
6197 int err, reg_idx, start = cb->args[2];
6201 if (cfg80211_regdomain && start == 0) {
6202 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6204 rtnl_dereference(cfg80211_regdomain));
6209 /* the global regdom is idx 0 */
6211 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
6212 regdom = get_wiphy_regdom(&rdev->wiphy);
6216 if (++reg_idx <= start)
6219 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6220 NLM_F_MULTI, &rdev->wiphy, regdom);
6227 cb->args[2] = reg_idx;
6234 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6235 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
6236 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6237 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6238 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6239 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6240 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6241 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6242 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
6245 static int parse_reg_rule(struct nlattr *tb[],
6246 struct ieee80211_reg_rule *reg_rule)
6248 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
6249 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
6251 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
6253 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
6255 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
6257 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
6259 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
6262 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
6264 freq_range->start_freq_khz =
6265 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
6266 freq_range->end_freq_khz =
6267 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
6268 freq_range->max_bandwidth_khz =
6269 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
6271 power_rule->max_eirp =
6272 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
6274 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
6275 power_rule->max_antenna_gain =
6276 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
6278 if (tb[NL80211_ATTR_DFS_CAC_TIME])
6279 reg_rule->dfs_cac_ms =
6280 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
6285 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
6287 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
6288 struct nlattr *nl_reg_rule;
6290 int rem_reg_rules, r;
6291 u32 num_rules = 0, rule_idx = 0, size_of_regd;
6292 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
6293 struct ieee80211_regdomain *rd;
6295 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6298 if (!info->attrs[NL80211_ATTR_REG_RULES])
6301 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6303 if (info->attrs[NL80211_ATTR_DFS_REGION])
6304 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
6306 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
6309 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
6313 if (!reg_is_valid_request(alpha2))
6316 size_of_regd = sizeof(struct ieee80211_regdomain) +
6317 num_rules * sizeof(struct ieee80211_reg_rule);
6319 rd = kzalloc(size_of_regd, GFP_KERNEL);
6323 rd->n_reg_rules = num_rules;
6324 rd->alpha2[0] = alpha2[0];
6325 rd->alpha2[1] = alpha2[1];
6328 * Disable DFS master mode if the DFS region was
6329 * not supported or known on this kernel.
6331 if (reg_supported_dfs_region(dfs_region))
6332 rd->dfs_region = dfs_region;
6334 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
6336 r = nla_parse_nested(tb, NL80211_REG_RULE_ATTR_MAX,
6337 nl_reg_rule, reg_rule_policy);
6340 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
6346 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
6352 /* set_regdom takes ownership of rd */
6353 return set_regdom(rd, REGD_SOURCE_CRDA);
6358 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
6360 static int validate_scan_freqs(struct nlattr *freqs)
6362 struct nlattr *attr1, *attr2;
6363 int n_channels = 0, tmp1, tmp2;
6365 nla_for_each_nested(attr1, freqs, tmp1) {
6368 * Some hardware has a limited channel list for
6369 * scanning, and it is pretty much nonsensical
6370 * to scan for a channel twice, so disallow that
6371 * and don't require drivers to check that the
6372 * channel list they get isn't longer than what
6373 * they can scan, as long as they can scan all
6374 * the channels they registered at once.
6376 nla_for_each_nested(attr2, freqs, tmp2)
6377 if (attr1 != attr2 &&
6378 nla_get_u32(attr1) == nla_get_u32(attr2))
6385 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
6387 return b < NUM_NL80211_BANDS && wiphy->bands[b];
6390 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
6391 struct cfg80211_bss_selection *bss_select)
6393 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
6394 struct nlattr *nest;
6399 /* only process one nested attribute */
6400 nest = nla_data(nla);
6401 if (!nla_ok(nest, nla_len(nest)))
6404 err = nla_parse_nested(attr, NL80211_BSS_SELECT_ATTR_MAX, nest,
6405 nl80211_bss_select_policy);
6409 /* only one attribute may be given */
6410 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
6418 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
6420 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
6421 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
6423 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
6424 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
6425 bss_select->param.band_pref =
6426 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
6427 if (!is_band_valid(wiphy, bss_select->param.band_pref))
6431 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
6432 struct nl80211_bss_select_rssi_adjust *adj_param;
6434 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
6435 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
6436 bss_select->param.adjust.band = adj_param->band;
6437 bss_select->param.adjust.delta = adj_param->delta;
6438 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
6442 /* user-space did not provide behaviour attribute */
6443 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
6446 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
6452 static int nl80211_parse_random_mac(struct nlattr **attrs,
6453 u8 *mac_addr, u8 *mac_addr_mask)
6457 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
6458 eth_zero_addr(mac_addr);
6459 eth_zero_addr(mac_addr_mask);
6461 mac_addr_mask[0] = 0x3;
6466 /* need both or none */
6467 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
6470 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
6471 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
6473 /* don't allow or configure an mcast address */
6474 if (!is_multicast_ether_addr(mac_addr_mask) ||
6475 is_multicast_ether_addr(mac_addr))
6479 * allow users to pass a MAC address that has bits set outside
6480 * of the mask, but don't bother drivers with having to deal
6483 for (i = 0; i < ETH_ALEN; i++)
6484 mac_addr[i] &= mac_addr_mask[i];
6489 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
6491 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6492 struct wireless_dev *wdev = info->user_ptr[1];
6493 struct cfg80211_scan_request *request;
6494 struct nlattr *attr;
6495 struct wiphy *wiphy;
6496 int err, tmp, n_ssids = 0, n_channels, i;
6499 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6502 wiphy = &rdev->wiphy;
6504 if (wdev->iftype == NL80211_IFTYPE_NAN)
6507 if (!rdev->ops->scan)
6510 if (rdev->scan_req || rdev->scan_msg) {
6515 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
6516 n_channels = validate_scan_freqs(
6517 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
6523 n_channels = ieee80211_get_num_supported_channels(wiphy);
6526 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
6527 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
6530 if (n_ssids > wiphy->max_scan_ssids) {
6535 if (info->attrs[NL80211_ATTR_IE])
6536 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6540 if (ie_len > wiphy->max_scan_ie_len) {
6545 request = kzalloc(sizeof(*request)
6546 + sizeof(*request->ssids) * n_ssids
6547 + sizeof(*request->channels) * n_channels
6548 + ie_len, GFP_KERNEL);
6555 request->ssids = (void *)&request->channels[n_channels];
6556 request->n_ssids = n_ssids;
6559 request->ie = (void *)(request->ssids + n_ssids);
6561 request->ie = (void *)(request->channels + n_channels);
6565 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
6566 /* user specified, bail out if channel not found */
6567 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
6568 struct ieee80211_channel *chan;
6570 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
6577 /* ignore disabled channels */
6578 if (chan->flags & IEEE80211_CHAN_DISABLED)
6581 request->channels[i] = chan;
6585 enum nl80211_band band;
6588 for (band = 0; band < NUM_NL80211_BANDS; band++) {
6591 if (!wiphy->bands[band])
6593 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
6594 struct ieee80211_channel *chan;
6596 chan = &wiphy->bands[band]->channels[j];
6598 if (chan->flags & IEEE80211_CHAN_DISABLED)
6601 request->channels[i] = chan;
6612 request->n_channels = i;
6616 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
6617 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
6621 request->ssids[i].ssid_len = nla_len(attr);
6622 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
6627 if (info->attrs[NL80211_ATTR_IE]) {
6628 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6629 memcpy((void *)request->ie,
6630 nla_data(info->attrs[NL80211_ATTR_IE]),
6634 for (i = 0; i < NUM_NL80211_BANDS; i++)
6635 if (wiphy->bands[i])
6637 (1 << wiphy->bands[i]->n_bitrates) - 1;
6639 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
6640 nla_for_each_nested(attr,
6641 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
6643 enum nl80211_band band = nla_type(attr);
6645 if (band < 0 || band >= NUM_NL80211_BANDS) {
6650 if (!wiphy->bands[band])
6653 err = ieee80211_get_ratemask(wiphy->bands[band],
6656 &request->rates[band]);
6662 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
6663 if (!wiphy_ext_feature_isset(wiphy,
6664 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
6670 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
6671 request->duration_mandatory =
6672 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
6675 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
6676 request->flags = nla_get_u32(
6677 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
6678 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
6679 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
6684 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
6685 if (!(wiphy->features &
6686 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) {
6691 if (wdev->current_bss) {
6696 err = nl80211_parse_random_mac(info->attrs,
6698 request->mac_addr_mask);
6705 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
6707 /* Initial implementation used NL80211_ATTR_MAC to set the specific
6708 * BSSID to scan for. This was problematic because that same attribute
6709 * was already used for another purpose (local random MAC address). The
6710 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
6711 * compatibility with older userspace components, also use the
6712 * NL80211_ATTR_MAC value here if it can be determined to be used for
6713 * the specific BSSID use case instead of the random MAC address
6714 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
6716 if (info->attrs[NL80211_ATTR_BSSID])
6717 memcpy(request->bssid,
6718 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
6719 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
6720 info->attrs[NL80211_ATTR_MAC])
6721 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
6724 eth_broadcast_addr(request->bssid);
6726 request->wdev = wdev;
6727 request->wiphy = &rdev->wiphy;
6728 request->scan_start = jiffies;
6730 rdev->scan_req = request;
6731 err = rdev_scan(rdev, request);
6734 nl80211_send_scan_start(rdev, wdev);
6736 dev_hold(wdev->netdev);
6739 rdev->scan_req = NULL;
6747 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
6749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6750 struct wireless_dev *wdev = info->user_ptr[1];
6752 if (!rdev->ops->abort_scan)
6758 if (!rdev->scan_req)
6761 rdev_abort_scan(rdev, wdev);
6766 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
6767 struct cfg80211_sched_scan_request *request,
6768 struct nlattr **attrs)
6770 int tmp, err, i = 0;
6771 struct nlattr *attr;
6773 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
6777 * If scan plans are not specified,
6778 * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this
6779 * case one scan plan will be set with the specified scan
6780 * interval and infinite number of iterations.
6782 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
6785 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
6789 request->scan_plans[0].interval =
6790 DIV_ROUND_UP(interval, MSEC_PER_SEC);
6791 if (!request->scan_plans[0].interval)
6794 if (request->scan_plans[0].interval >
6795 wiphy->max_sched_scan_plan_interval)
6796 request->scan_plans[0].interval =
6797 wiphy->max_sched_scan_plan_interval;
6802 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
6803 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
6805 if (WARN_ON(i >= n_plans))
6808 err = nla_parse_nested(plan, NL80211_SCHED_SCAN_PLAN_MAX,
6809 attr, nl80211_plan_policy);
6813 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
6816 request->scan_plans[i].interval =
6817 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
6818 if (!request->scan_plans[i].interval ||
6819 request->scan_plans[i].interval >
6820 wiphy->max_sched_scan_plan_interval)
6823 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
6824 request->scan_plans[i].iterations =
6825 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
6826 if (!request->scan_plans[i].iterations ||
6827 (request->scan_plans[i].iterations >
6828 wiphy->max_sched_scan_plan_iterations))
6830 } else if (i < n_plans - 1) {
6832 * All scan plans but the last one must specify
6833 * a finite number of iterations
6842 * The last scan plan must not specify the number of
6843 * iterations, it is supposed to run infinitely
6845 if (request->scan_plans[n_plans - 1].iterations)
6851 static struct cfg80211_sched_scan_request *
6852 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
6853 struct nlattr **attrs)
6855 struct cfg80211_sched_scan_request *request;
6856 struct nlattr *attr;
6857 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
6858 enum nl80211_band band;
6860 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
6861 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
6863 if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE]))
6864 return ERR_PTR(-EINVAL);
6866 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
6867 n_channels = validate_scan_freqs(
6868 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
6870 return ERR_PTR(-EINVAL);
6872 n_channels = ieee80211_get_num_supported_channels(wiphy);
6875 if (attrs[NL80211_ATTR_SCAN_SSIDS])
6876 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
6880 if (n_ssids > wiphy->max_sched_scan_ssids)
6881 return ERR_PTR(-EINVAL);
6884 * First, count the number of 'real' matchsets. Due to an issue with
6885 * the old implementation, matchsets containing only the RSSI attribute
6886 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
6887 * RSSI for all matchsets, rather than their own matchset for reporting
6888 * all APs with a strong RSSI. This is needed to be compatible with
6889 * older userspace that treated a matchset with only the RSSI as the
6890 * global RSSI for all other matchsets - if there are other matchsets.
6892 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
6893 nla_for_each_nested(attr,
6894 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
6896 struct nlattr *rssi;
6898 err = nla_parse_nested(tb,
6899 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
6900 attr, nl80211_match_policy);
6902 return ERR_PTR(err);
6903 /* add other standalone attributes here */
6904 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) {
6908 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
6910 default_match_rssi = nla_get_s32(rssi);
6914 /* However, if there's no other matchset, add the RSSI one */
6915 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
6918 if (n_match_sets > wiphy->max_match_sets)
6919 return ERR_PTR(-EINVAL);
6921 if (attrs[NL80211_ATTR_IE])
6922 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
6926 if (ie_len > wiphy->max_sched_scan_ie_len)
6927 return ERR_PTR(-EINVAL);
6929 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
6931 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
6932 * each scan plan already specifies its own interval
6934 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
6935 return ERR_PTR(-EINVAL);
6937 nla_for_each_nested(attr,
6938 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
6942 * The scan interval attribute is kept for backward
6943 * compatibility. If no scan plans are specified and sched scan
6944 * interval is specified, one scan plan will be set with this
6945 * scan interval and infinite number of iterations.
6947 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
6948 return ERR_PTR(-EINVAL);
6953 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
6954 return ERR_PTR(-EINVAL);
6956 request = kzalloc(sizeof(*request)
6957 + sizeof(*request->ssids) * n_ssids
6958 + sizeof(*request->match_sets) * n_match_sets
6959 + sizeof(*request->scan_plans) * n_plans
6960 + sizeof(*request->channels) * n_channels
6961 + ie_len, GFP_KERNEL);
6963 return ERR_PTR(-ENOMEM);
6966 request->ssids = (void *)&request->channels[n_channels];
6967 request->n_ssids = n_ssids;
6970 request->ie = (void *)(request->ssids + n_ssids);
6972 request->ie = (void *)(request->channels + n_channels);
6977 request->match_sets = (void *)(request->ie + ie_len);
6979 request->match_sets =
6980 (void *)(request->ssids + n_ssids);
6982 request->match_sets =
6983 (void *)(request->channels + n_channels);
6985 request->n_match_sets = n_match_sets;
6988 request->scan_plans = (void *)(request->match_sets +
6990 else if (request->ie)
6991 request->scan_plans = (void *)(request->ie + ie_len);
6993 request->scan_plans = (void *)(request->ssids + n_ssids);
6995 request->scan_plans = (void *)(request->channels + n_channels);
6997 request->n_scan_plans = n_plans;
7000 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7001 /* user specified, bail out if channel not found */
7002 nla_for_each_nested(attr,
7003 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
7005 struct ieee80211_channel *chan;
7007 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7014 /* ignore disabled channels */
7015 if (chan->flags & IEEE80211_CHAN_DISABLED)
7018 request->channels[i] = chan;
7023 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7026 if (!wiphy->bands[band])
7028 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7029 struct ieee80211_channel *chan;
7031 chan = &wiphy->bands[band]->channels[j];
7033 if (chan->flags & IEEE80211_CHAN_DISABLED)
7036 request->channels[i] = chan;
7047 request->n_channels = i;
7051 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7053 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7057 request->ssids[i].ssid_len = nla_len(attr);
7058 memcpy(request->ssids[i].ssid, nla_data(attr),
7065 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7066 nla_for_each_nested(attr,
7067 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7069 struct nlattr *ssid, *rssi;
7071 err = nla_parse_nested(tb,
7072 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7073 attr, nl80211_match_policy);
7076 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
7078 if (WARN_ON(i >= n_match_sets)) {
7079 /* this indicates a programming error,
7080 * the loop above should have verified
7087 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
7091 memcpy(request->match_sets[i].ssid.ssid,
7092 nla_data(ssid), nla_len(ssid));
7093 request->match_sets[i].ssid.ssid_len =
7095 /* special attribute - old implementation w/a */
7096 request->match_sets[i].rssi_thold =
7098 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7100 request->match_sets[i].rssi_thold =
7106 /* there was no other matchset, so the RSSI one is alone */
7107 if (i == 0 && n_match_sets)
7108 request->match_sets[0].rssi_thold = default_match_rssi;
7110 request->min_rssi_thold = INT_MAX;
7111 for (i = 0; i < n_match_sets; i++)
7112 request->min_rssi_thold =
7113 min(request->match_sets[i].rssi_thold,
7114 request->min_rssi_thold);
7116 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
7120 request->ie_len = ie_len;
7121 memcpy((void *)request->ie,
7122 nla_data(attrs[NL80211_ATTR_IE]),
7126 if (attrs[NL80211_ATTR_SCAN_FLAGS]) {
7127 request->flags = nla_get_u32(
7128 attrs[NL80211_ATTR_SCAN_FLAGS]);
7129 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7130 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
7135 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7136 u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR;
7138 if (!wdev) /* must be net-detect */
7139 flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7141 if (!(wiphy->features & flg)) {
7146 if (wdev && wdev->current_bss) {
7151 err = nl80211_parse_random_mac(attrs, request->mac_addr,
7152 request->mac_addr_mask);
7158 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
7160 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
7162 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
7166 request->scan_start = jiffies;
7172 return ERR_PTR(err);
7175 static int nl80211_start_sched_scan(struct sk_buff *skb,
7176 struct genl_info *info)
7178 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7179 struct net_device *dev = info->user_ptr[1];
7180 struct wireless_dev *wdev = dev->ieee80211_ptr;
7181 struct cfg80211_sched_scan_request *sched_scan_req;
7184 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
7185 !rdev->ops->sched_scan_start)
7188 if (rdev->sched_scan_req)
7189 return -EINPROGRESS;
7191 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
7194 err = PTR_ERR_OR_ZERO(sched_scan_req);
7198 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
7202 sched_scan_req->dev = dev;
7203 sched_scan_req->wiphy = &rdev->wiphy;
7205 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
7206 sched_scan_req->owner_nlportid = info->snd_portid;
7208 rcu_assign_pointer(rdev->sched_scan_req, sched_scan_req);
7210 nl80211_send_sched_scan(rdev, dev,
7211 NL80211_CMD_START_SCHED_SCAN);
7215 kfree(sched_scan_req);
7220 static int nl80211_stop_sched_scan(struct sk_buff *skb,
7221 struct genl_info *info)
7223 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7225 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
7226 !rdev->ops->sched_scan_stop)
7229 return __cfg80211_stop_sched_scan(rdev, false);
7232 static int nl80211_start_radar_detection(struct sk_buff *skb,
7233 struct genl_info *info)
7235 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7236 struct net_device *dev = info->user_ptr[1];
7237 struct wireless_dev *wdev = dev->ieee80211_ptr;
7238 struct cfg80211_chan_def chandef;
7239 enum nl80211_dfs_regions dfs_region;
7240 unsigned int cac_time_ms;
7243 dfs_region = reg_get_dfs_region(wdev->wiphy);
7244 if (dfs_region == NL80211_DFS_UNSET)
7247 err = nl80211_parse_chandef(rdev, info, &chandef);
7251 if (netif_carrier_ok(dev))
7254 if (wdev->cac_started)
7257 err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef,
7265 if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef))
7268 if (!rdev->ops->start_radar_detection)
7271 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
7272 if (WARN_ON(!cac_time_ms))
7273 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
7275 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
7277 wdev->chandef = chandef;
7278 wdev->cac_started = true;
7279 wdev->cac_start_time = jiffies;
7280 wdev->cac_time_ms = cac_time_ms;
7285 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
7287 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7288 struct net_device *dev = info->user_ptr[1];
7289 struct wireless_dev *wdev = dev->ieee80211_ptr;
7290 struct cfg80211_csa_settings params;
7291 /* csa_attrs is defined static to avoid waste of stack size - this
7292 * function is called under RTNL lock, so this should not be a problem.
7294 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
7296 bool need_new_beacon = false;
7300 if (!rdev->ops->channel_switch ||
7301 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
7304 switch (dev->ieee80211_ptr->iftype) {
7305 case NL80211_IFTYPE_AP:
7306 case NL80211_IFTYPE_P2P_GO:
7307 need_new_beacon = true;
7309 /* useless if AP is not running */
7310 if (!wdev->beacon_interval)
7313 case NL80211_IFTYPE_ADHOC:
7314 if (!wdev->ssid_len)
7317 case NL80211_IFTYPE_MESH_POINT:
7318 if (!wdev->mesh_id_len)
7325 memset(¶ms, 0, sizeof(params));
7327 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
7328 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
7331 /* only important for AP, IBSS and mesh create IEs internally */
7332 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
7335 /* Even though the attribute is u32, the specification says
7336 * u8, so let's make sure we don't overflow.
7338 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
7342 params.count = cs_count;
7344 if (!need_new_beacon)
7347 err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after);
7351 err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX,
7352 info->attrs[NL80211_ATTR_CSA_IES],
7357 err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa);
7361 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
7364 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
7365 if (!len || (len % sizeof(u16)))
7368 params.n_counter_offsets_beacon = len / sizeof(u16);
7369 if (rdev->wiphy.max_num_csa_counters &&
7370 (params.n_counter_offsets_beacon >
7371 rdev->wiphy.max_num_csa_counters))
7374 params.counter_offsets_beacon =
7375 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
7377 /* sanity checks - counters should fit and be the same */
7378 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
7379 u16 offset = params.counter_offsets_beacon[i];
7381 if (offset >= params.beacon_csa.tail_len)
7384 if (params.beacon_csa.tail[offset] != params.count)
7388 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
7389 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
7390 if (!len || (len % sizeof(u16)))
7393 params.n_counter_offsets_presp = len / sizeof(u16);
7394 if (rdev->wiphy.max_num_csa_counters &&
7395 (params.n_counter_offsets_presp >
7396 rdev->wiphy.max_num_csa_counters))
7399 params.counter_offsets_presp =
7400 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
7402 /* sanity checks - counters should fit and be the same */
7403 for (i = 0; i < params.n_counter_offsets_presp; i++) {
7404 u16 offset = params.counter_offsets_presp[i];
7406 if (offset >= params.beacon_csa.probe_resp_len)
7409 if (params.beacon_csa.probe_resp[offset] !=
7416 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
7420 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
7424 err = cfg80211_chandef_dfs_required(wdev->wiphy,
7431 params.radar_required = true;
7433 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
7434 params.block_tx = true;
7437 err = rdev_channel_switch(rdev, dev, ¶ms);
7443 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
7445 struct cfg80211_registered_device *rdev,
7446 struct wireless_dev *wdev,
7447 struct cfg80211_internal_bss *intbss)
7449 struct cfg80211_bss *res = &intbss->pub;
7450 const struct cfg80211_bss_ies *ies;
7454 ASSERT_WDEV_LOCK(wdev);
7456 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7457 NL80211_CMD_NEW_SCAN_RESULTS);
7461 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
7463 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
7464 goto nla_put_failure;
7466 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
7467 goto nla_put_failure;
7468 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
7470 goto nla_put_failure;
7472 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
7474 goto nla_put_failure;
7475 if ((!is_zero_ether_addr(res->bssid) &&
7476 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
7477 goto nla_put_failure;
7480 /* indicate whether we have probe response data or not */
7481 if (rcu_access_pointer(res->proberesp_ies) &&
7482 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
7483 goto fail_unlock_rcu;
7485 /* this pointer prefers to be pointed to probe response data
7486 * but is always valid
7488 ies = rcu_dereference(res->ies);
7490 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
7492 goto fail_unlock_rcu;
7493 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
7494 ies->len, ies->data))
7495 goto fail_unlock_rcu;
7498 /* and this pointer is always (unless driver didn't know) beacon data */
7499 ies = rcu_dereference(res->beacon_ies);
7500 if (ies && ies->from_beacon) {
7501 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
7503 goto fail_unlock_rcu;
7504 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
7505 ies->len, ies->data))
7506 goto fail_unlock_rcu;
7510 if (res->beacon_interval &&
7511 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
7512 goto nla_put_failure;
7513 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
7514 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
7515 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
7516 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
7517 jiffies_to_msecs(jiffies - intbss->ts)))
7518 goto nla_put_failure;
7520 if (intbss->parent_tsf &&
7521 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
7522 intbss->parent_tsf, NL80211_BSS_PAD) ||
7523 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
7524 intbss->parent_bssid)))
7525 goto nla_put_failure;
7527 if (intbss->ts_boottime &&
7528 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
7529 intbss->ts_boottime, NL80211_BSS_PAD))
7530 goto nla_put_failure;
7532 switch (rdev->wiphy.signal_type) {
7533 case CFG80211_SIGNAL_TYPE_MBM:
7534 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
7535 goto nla_put_failure;
7537 case CFG80211_SIGNAL_TYPE_UNSPEC:
7538 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
7539 goto nla_put_failure;
7545 switch (wdev->iftype) {
7546 case NL80211_IFTYPE_P2P_CLIENT:
7547 case NL80211_IFTYPE_STATION:
7548 if (intbss == wdev->current_bss &&
7549 nla_put_u32(msg, NL80211_BSS_STATUS,
7550 NL80211_BSS_STATUS_ASSOCIATED))
7551 goto nla_put_failure;
7553 case NL80211_IFTYPE_ADHOC:
7554 if (intbss == wdev->current_bss &&
7555 nla_put_u32(msg, NL80211_BSS_STATUS,
7556 NL80211_BSS_STATUS_IBSS_JOINED))
7557 goto nla_put_failure;
7563 nla_nest_end(msg, bss);
7565 genlmsg_end(msg, hdr);
7571 genlmsg_cancel(msg, hdr);
7575 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
7577 struct cfg80211_registered_device *rdev;
7578 struct cfg80211_internal_bss *scan;
7579 struct wireless_dev *wdev;
7580 int start = cb->args[2], idx = 0;
7583 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
7588 spin_lock_bh(&rdev->bss_lock);
7589 cfg80211_bss_expire(rdev);
7591 cb->seq = rdev->bss_generation;
7593 list_for_each_entry(scan, &rdev->bss_list, list) {
7596 if (nl80211_send_bss(skb, cb,
7597 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7598 rdev, wdev, scan) < 0) {
7604 spin_unlock_bh(&rdev->bss_lock);
7608 nl80211_finish_wdev_dump(rdev);
7613 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
7614 int flags, struct net_device *dev,
7615 bool allow_radio_stats,
7616 struct survey_info *survey)
7619 struct nlattr *infoattr;
7621 /* skip radio stats if userspace didn't request them */
7622 if (!survey->channel && !allow_radio_stats)
7625 hdr = nl80211hdr_put(msg, portid, seq, flags,
7626 NL80211_CMD_NEW_SURVEY_RESULTS);
7630 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
7631 goto nla_put_failure;
7633 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
7635 goto nla_put_failure;
7637 if (survey->channel &&
7638 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
7639 survey->channel->center_freq))
7640 goto nla_put_failure;
7642 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
7643 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
7644 goto nla_put_failure;
7645 if ((survey->filled & SURVEY_INFO_IN_USE) &&
7646 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
7647 goto nla_put_failure;
7648 if ((survey->filled & SURVEY_INFO_TIME) &&
7649 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
7650 survey->time, NL80211_SURVEY_INFO_PAD))
7651 goto nla_put_failure;
7652 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
7653 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
7654 survey->time_busy, NL80211_SURVEY_INFO_PAD))
7655 goto nla_put_failure;
7656 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
7657 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
7658 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
7659 goto nla_put_failure;
7660 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
7661 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
7662 survey->time_rx, NL80211_SURVEY_INFO_PAD))
7663 goto nla_put_failure;
7664 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
7665 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
7666 survey->time_tx, NL80211_SURVEY_INFO_PAD))
7667 goto nla_put_failure;
7668 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
7669 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
7670 survey->time_scan, NL80211_SURVEY_INFO_PAD))
7671 goto nla_put_failure;
7673 nla_nest_end(msg, infoattr);
7675 genlmsg_end(msg, hdr);
7679 genlmsg_cancel(msg, hdr);
7683 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
7685 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
7686 struct survey_info survey;
7687 struct cfg80211_registered_device *rdev;
7688 struct wireless_dev *wdev;
7689 int survey_idx = cb->args[2];
7693 res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
7697 /* prepare_wdev_dump parsed the attributes */
7698 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
7700 if (!wdev->netdev) {
7705 if (!rdev->ops->dump_survey) {
7711 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
7717 /* don't send disabled channels, but do send non-channel data */
7718 if (survey.channel &&
7719 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
7724 if (nl80211_send_survey(skb,
7725 NETLINK_CB(cb->skb).portid,
7726 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7727 wdev->netdev, radio_stats, &survey) < 0)
7733 cb->args[2] = survey_idx;
7736 nl80211_finish_wdev_dump(rdev);
7740 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
7742 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
7743 NL80211_WPA_VERSION_2));
7746 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
7748 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7749 struct net_device *dev = info->user_ptr[1];
7750 struct ieee80211_channel *chan;
7751 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
7752 int err, ssid_len, ie_len = 0, auth_data_len = 0;
7753 enum nl80211_auth_type auth_type;
7754 struct key_parse key;
7755 bool local_state_change;
7757 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
7760 if (!info->attrs[NL80211_ATTR_MAC])
7763 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
7766 if (!info->attrs[NL80211_ATTR_SSID])
7769 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
7772 err = nl80211_parse_key(info, &key);
7777 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
7779 if (!key.p.key || !key.p.key_len)
7781 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
7782 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
7783 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
7784 key.p.key_len != WLAN_KEY_LEN_WEP104))
7797 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
7798 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
7807 if (!rdev->ops->auth)
7810 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7811 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7814 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
7815 chan = nl80211_get_valid_chan(&rdev->wiphy,
7816 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
7820 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
7821 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
7823 if (info->attrs[NL80211_ATTR_IE]) {
7824 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
7825 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7828 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
7829 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
7832 if ((auth_type == NL80211_AUTHTYPE_SAE ||
7833 auth_type == NL80211_AUTHTYPE_FILS_SK ||
7834 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
7835 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
7836 !info->attrs[NL80211_ATTR_AUTH_DATA])
7839 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
7840 if (auth_type != NL80211_AUTHTYPE_SAE &&
7841 auth_type != NL80211_AUTHTYPE_FILS_SK &&
7842 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
7843 auth_type != NL80211_AUTHTYPE_FILS_PK)
7845 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
7846 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
7847 /* need to include at least Auth Transaction and Status Code */
7848 if (auth_data_len < 4)
7852 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
7855 * Since we no longer track auth state, ignore
7856 * requests to only change local state.
7858 if (local_state_change)
7861 wdev_lock(dev->ieee80211_ptr);
7862 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
7863 ssid, ssid_len, ie, ie_len,
7864 key.p.key, key.p.key_len, key.idx,
7865 auth_data, auth_data_len);
7866 wdev_unlock(dev->ieee80211_ptr);
7870 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
7871 struct genl_info *info,
7872 struct cfg80211_crypto_settings *settings,
7875 memset(settings, 0, sizeof(*settings));
7877 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
7879 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
7882 proto = nla_get_u16(
7883 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
7884 settings->control_port_ethertype = cpu_to_be16(proto);
7885 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
7888 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
7889 settings->control_port_no_encrypt = true;
7891 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
7893 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
7897 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
7898 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
7899 settings->n_ciphers_pairwise = len / sizeof(u32);
7901 if (len % sizeof(u32))
7904 if (settings->n_ciphers_pairwise > cipher_limit)
7907 memcpy(settings->ciphers_pairwise, data, len);
7909 for (i = 0; i < settings->n_ciphers_pairwise; i++)
7910 if (!cfg80211_supported_cipher_suite(
7912 settings->ciphers_pairwise[i]))
7916 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
7917 settings->cipher_group =
7918 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
7919 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
7920 settings->cipher_group))
7924 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
7925 settings->wpa_versions =
7926 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
7927 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
7931 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
7935 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
7936 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
7937 settings->n_akm_suites = len / sizeof(u32);
7939 if (len % sizeof(u32))
7942 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
7945 memcpy(settings->akm_suites, data, len);
7951 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
7953 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7954 struct net_device *dev = info->user_ptr[1];
7955 struct ieee80211_channel *chan;
7956 struct cfg80211_assoc_request req = {};
7957 const u8 *bssid, *ssid;
7958 int err, ssid_len = 0;
7960 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
7963 if (!info->attrs[NL80211_ATTR_MAC] ||
7964 !info->attrs[NL80211_ATTR_SSID] ||
7965 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
7968 if (!rdev->ops->assoc)
7971 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7972 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7975 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
7977 chan = nl80211_get_valid_chan(&rdev->wiphy,
7978 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
7982 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
7983 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
7985 if (info->attrs[NL80211_ATTR_IE]) {
7986 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
7987 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7990 if (info->attrs[NL80211_ATTR_USE_MFP]) {
7991 enum nl80211_mfp mfp =
7992 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
7993 if (mfp == NL80211_MFP_REQUIRED)
7995 else if (mfp != NL80211_MFP_NO)
7999 if (info->attrs[NL80211_ATTR_PREV_BSSID])
8000 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
8002 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
8003 req.flags |= ASSOC_REQ_DISABLE_HT;
8005 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8006 memcpy(&req.ht_capa_mask,
8007 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
8008 sizeof(req.ht_capa_mask));
8010 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
8011 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8013 memcpy(&req.ht_capa,
8014 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
8015 sizeof(req.ht_capa));
8018 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
8019 req.flags |= ASSOC_REQ_DISABLE_VHT;
8021 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
8022 memcpy(&req.vht_capa_mask,
8023 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
8024 sizeof(req.vht_capa_mask));
8026 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
8027 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
8029 memcpy(&req.vht_capa,
8030 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
8031 sizeof(req.vht_capa));
8034 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
8035 if (!((rdev->wiphy.features &
8036 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
8037 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
8038 !wiphy_ext_feature_isset(&rdev->wiphy,
8039 NL80211_EXT_FEATURE_RRM))
8041 req.flags |= ASSOC_REQ_USE_RRM;
8044 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
8045 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
8046 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
8047 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
8050 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
8053 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
8055 wdev_lock(dev->ieee80211_ptr);
8056 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
8057 ssid, ssid_len, &req);
8058 wdev_unlock(dev->ieee80211_ptr);
8064 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
8066 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8067 struct net_device *dev = info->user_ptr[1];
8068 const u8 *ie = NULL, *bssid;
8069 int ie_len = 0, err;
8071 bool local_state_change;
8073 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8076 if (!info->attrs[NL80211_ATTR_MAC])
8079 if (!info->attrs[NL80211_ATTR_REASON_CODE])
8082 if (!rdev->ops->deauth)
8085 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8086 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8089 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8091 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
8092 if (reason_code == 0) {
8093 /* Reason Code 0 is reserved */
8097 if (info->attrs[NL80211_ATTR_IE]) {
8098 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8099 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8102 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8104 wdev_lock(dev->ieee80211_ptr);
8105 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
8106 local_state_change);
8107 wdev_unlock(dev->ieee80211_ptr);
8111 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
8113 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8114 struct net_device *dev = info->user_ptr[1];
8115 const u8 *ie = NULL, *bssid;
8116 int ie_len = 0, err;
8118 bool local_state_change;
8120 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8123 if (!info->attrs[NL80211_ATTR_MAC])
8126 if (!info->attrs[NL80211_ATTR_REASON_CODE])
8129 if (!rdev->ops->disassoc)
8132 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8133 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8136 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8138 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
8139 if (reason_code == 0) {
8140 /* Reason Code 0 is reserved */
8144 if (info->attrs[NL80211_ATTR_IE]) {
8145 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8146 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8149 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8151 wdev_lock(dev->ieee80211_ptr);
8152 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
8153 local_state_change);
8154 wdev_unlock(dev->ieee80211_ptr);
8159 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
8160 int mcast_rate[NUM_NL80211_BANDS],
8163 struct wiphy *wiphy = &rdev->wiphy;
8167 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8168 struct ieee80211_supported_band *sband;
8170 sband = wiphy->bands[band];
8174 for (i = 0; i < sband->n_bitrates; i++) {
8175 if (sband->bitrates[i].bitrate == rateval) {
8176 mcast_rate[band] = i + 1;
8186 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
8188 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8189 struct net_device *dev = info->user_ptr[1];
8190 struct cfg80211_ibss_params ibss;
8191 struct wiphy *wiphy;
8192 struct cfg80211_cached_keys *connkeys = NULL;
8195 memset(&ibss, 0, sizeof(ibss));
8197 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8200 if (!info->attrs[NL80211_ATTR_SSID] ||
8201 !nla_len(info->attrs[NL80211_ATTR_SSID]))
8204 ibss.beacon_interval = 100;
8206 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
8207 ibss.beacon_interval =
8208 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
8210 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
8211 ibss.beacon_interval);
8215 if (!rdev->ops->join_ibss)
8218 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
8221 wiphy = &rdev->wiphy;
8223 if (info->attrs[NL80211_ATTR_MAC]) {
8224 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8226 if (!is_valid_ether_addr(ibss.bssid))
8229 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8230 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8232 if (info->attrs[NL80211_ATTR_IE]) {
8233 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8234 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8237 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
8241 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
8242 NL80211_IFTYPE_ADHOC))
8245 switch (ibss.chandef.width) {
8246 case NL80211_CHAN_WIDTH_5:
8247 case NL80211_CHAN_WIDTH_10:
8248 case NL80211_CHAN_WIDTH_20_NOHT:
8250 case NL80211_CHAN_WIDTH_20:
8251 case NL80211_CHAN_WIDTH_40:
8252 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
8255 case NL80211_CHAN_WIDTH_80:
8256 case NL80211_CHAN_WIDTH_80P80:
8257 case NL80211_CHAN_WIDTH_160:
8258 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
8260 if (!wiphy_ext_feature_isset(&rdev->wiphy,
8261 NL80211_EXT_FEATURE_VHT_IBSS))
8268 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
8269 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
8271 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
8273 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8275 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8276 struct ieee80211_supported_band *sband =
8277 wiphy->bands[ibss.chandef.chan->band];
8279 err = ieee80211_get_ratemask(sband, rates, n_rates,
8285 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8286 memcpy(&ibss.ht_capa_mask,
8287 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
8288 sizeof(ibss.ht_capa_mask));
8290 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
8291 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8293 memcpy(&ibss.ht_capa,
8294 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
8295 sizeof(ibss.ht_capa));
8298 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
8299 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
8300 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
8303 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
8306 connkeys = nl80211_parse_connkeys(rdev,
8307 info->attrs[NL80211_ATTR_KEYS],
8309 if (IS_ERR(connkeys))
8310 return PTR_ERR(connkeys);
8312 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
8320 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
8322 ibss.userspace_handles_dfs =
8323 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
8325 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
8331 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
8333 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8334 struct net_device *dev = info->user_ptr[1];
8336 if (!rdev->ops->leave_ibss)
8339 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
8342 return cfg80211_leave_ibss(rdev, dev, false);
8345 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
8347 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8348 struct net_device *dev = info->user_ptr[1];
8349 int mcast_rate[NUM_NL80211_BANDS];
8353 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
8354 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
8355 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
8358 if (!rdev->ops->set_mcast_rate)
8361 memset(mcast_rate, 0, sizeof(mcast_rate));
8363 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
8366 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
8367 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
8370 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
8375 static struct sk_buff *
8376 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
8377 struct wireless_dev *wdev, int approxlen,
8378 u32 portid, u32 seq, enum nl80211_commands cmd,
8379 enum nl80211_attrs attr,
8380 const struct nl80211_vendor_cmd_info *info,
8383 struct sk_buff *skb;
8385 struct nlattr *data;
8387 skb = nlmsg_new(approxlen + 100, gfp);
8391 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
8397 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
8398 goto nla_put_failure;
8401 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
8403 goto nla_put_failure;
8404 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
8406 goto nla_put_failure;
8410 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
8411 wdev_id(wdev), NL80211_ATTR_PAD))
8412 goto nla_put_failure;
8414 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
8415 wdev->netdev->ifindex))
8416 goto nla_put_failure;
8419 data = nla_nest_start(skb, attr);
8421 goto nla_put_failure;
8423 ((void **)skb->cb)[0] = rdev;
8424 ((void **)skb->cb)[1] = hdr;
8425 ((void **)skb->cb)[2] = data;
8434 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
8435 struct wireless_dev *wdev,
8436 enum nl80211_commands cmd,
8437 enum nl80211_attrs attr,
8438 int vendor_event_idx,
8439 int approxlen, gfp_t gfp)
8441 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
8442 const struct nl80211_vendor_cmd_info *info;
8445 case NL80211_CMD_TESTMODE:
8446 if (WARN_ON(vendor_event_idx != -1))
8450 case NL80211_CMD_VENDOR:
8451 if (WARN_ON(vendor_event_idx < 0 ||
8452 vendor_event_idx >= wiphy->n_vendor_events))
8454 info = &wiphy->vendor_events[vendor_event_idx];
8461 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0,
8462 cmd, attr, info, gfp);
8464 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
8466 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
8468 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
8469 void *hdr = ((void **)skb->cb)[1];
8470 struct nlattr *data = ((void **)skb->cb)[2];
8471 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
8473 /* clear CB data for netlink core to own from now on */
8474 memset(skb->cb, 0, sizeof(skb->cb));
8476 nla_nest_end(skb, data);
8477 genlmsg_end(skb, hdr);
8479 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
8480 mcgrp = NL80211_MCGRP_VENDOR;
8482 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
8485 EXPORT_SYMBOL(__cfg80211_send_event_skb);
8487 #ifdef CONFIG_NL80211_TESTMODE
8488 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
8490 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8491 struct wireless_dev *wdev =
8492 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
8495 if (!rdev->ops->testmode_cmd)
8499 err = PTR_ERR(wdev);
8503 } else if (wdev->wiphy != &rdev->wiphy) {
8507 if (!info->attrs[NL80211_ATTR_TESTDATA])
8510 rdev->cur_cmd_info = info;
8511 err = rdev_testmode_cmd(rdev, wdev,
8512 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
8513 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
8514 rdev->cur_cmd_info = NULL;
8519 static int nl80211_testmode_dump(struct sk_buff *skb,
8520 struct netlink_callback *cb)
8522 struct cfg80211_registered_device *rdev;
8532 * 0 is a valid index, but not valid for args[0],
8533 * so we need to offset by 1.
8535 phy_idx = cb->args[0] - 1;
8537 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
8539 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
8540 attrbuf, nl80211_fam.maxattr, nl80211_policy);
8544 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
8546 err = PTR_ERR(rdev);
8549 phy_idx = rdev->wiphy_idx;
8552 if (attrbuf[NL80211_ATTR_TESTDATA])
8553 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
8557 data = nla_data((void *)cb->args[1]);
8558 data_len = nla_len((void *)cb->args[1]);
8561 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
8567 if (!rdev->ops->testmode_dump) {
8573 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
8574 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8575 NL80211_CMD_TESTMODE);
8576 struct nlattr *tmdata;
8581 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
8582 genlmsg_cancel(skb, hdr);
8586 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
8588 genlmsg_cancel(skb, hdr);
8591 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
8592 nla_nest_end(skb, tmdata);
8594 if (err == -ENOBUFS || err == -ENOENT) {
8595 genlmsg_cancel(skb, hdr);
8598 genlmsg_cancel(skb, hdr);
8602 genlmsg_end(skb, hdr);
8607 cb->args[0] = phy_idx + 1;
8614 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
8616 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8617 struct net_device *dev = info->user_ptr[1];
8618 struct cfg80211_connect_params connect;
8619 struct wiphy *wiphy;
8620 struct cfg80211_cached_keys *connkeys = NULL;
8623 memset(&connect, 0, sizeof(connect));
8625 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8628 if (!info->attrs[NL80211_ATTR_SSID] ||
8629 !nla_len(info->attrs[NL80211_ATTR_SSID]))
8632 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
8634 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
8635 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
8636 NL80211_CMD_CONNECT))
8639 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
8641 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
8643 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
8644 NL80211_MAX_NR_CIPHER_SUITES);
8648 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8649 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8652 wiphy = &rdev->wiphy;
8654 connect.bg_scan_period = -1;
8655 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
8656 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
8657 connect.bg_scan_period =
8658 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
8661 if (info->attrs[NL80211_ATTR_MAC])
8662 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8663 else if (info->attrs[NL80211_ATTR_MAC_HINT])
8664 connect.bssid_hint =
8665 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
8666 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8667 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8669 if (info->attrs[NL80211_ATTR_IE]) {
8670 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8671 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8674 if (info->attrs[NL80211_ATTR_USE_MFP]) {
8675 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
8676 if (connect.mfp != NL80211_MFP_REQUIRED &&
8677 connect.mfp != NL80211_MFP_NO)
8680 connect.mfp = NL80211_MFP_NO;
8683 if (info->attrs[NL80211_ATTR_PREV_BSSID])
8684 connect.prev_bssid =
8685 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
8687 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
8688 connect.channel = nl80211_get_valid_chan(
8689 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8690 if (!connect.channel)
8692 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
8693 connect.channel_hint = nl80211_get_valid_chan(
8694 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
8695 if (!connect.channel_hint)
8699 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
8700 connkeys = nl80211_parse_connkeys(rdev,
8701 info->attrs[NL80211_ATTR_KEYS], NULL);
8702 if (IS_ERR(connkeys))
8703 return PTR_ERR(connkeys);
8706 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
8707 connect.flags |= ASSOC_REQ_DISABLE_HT;
8709 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8710 memcpy(&connect.ht_capa_mask,
8711 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
8712 sizeof(connect.ht_capa_mask));
8714 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
8715 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
8719 memcpy(&connect.ht_capa,
8720 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
8721 sizeof(connect.ht_capa));
8724 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
8725 connect.flags |= ASSOC_REQ_DISABLE_VHT;
8727 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
8728 memcpy(&connect.vht_capa_mask,
8729 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
8730 sizeof(connect.vht_capa_mask));
8732 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
8733 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
8737 memcpy(&connect.vht_capa,
8738 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
8739 sizeof(connect.vht_capa));
8742 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
8743 if (!((rdev->wiphy.features &
8744 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
8745 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
8746 !wiphy_ext_feature_isset(&rdev->wiphy,
8747 NL80211_EXT_FEATURE_RRM)) {
8751 connect.flags |= ASSOC_REQ_USE_RRM;
8754 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
8755 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
8760 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
8761 /* bss selection makes no sense if bssid is set */
8762 if (connect.bssid) {
8767 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
8768 wiphy, &connect.bss_select);
8775 wdev_lock(dev->ieee80211_ptr);
8776 err = cfg80211_connect(rdev, dev, &connect, connkeys,
8777 connect.prev_bssid);
8778 wdev_unlock(dev->ieee80211_ptr);
8784 static int nl80211_update_connect_params(struct sk_buff *skb,
8785 struct genl_info *info)
8787 struct cfg80211_connect_params connect = {};
8788 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8789 struct net_device *dev = info->user_ptr[1];
8790 struct wireless_dev *wdev = dev->ieee80211_ptr;
8794 if (!rdev->ops->update_connect_params)
8797 if (info->attrs[NL80211_ATTR_IE]) {
8798 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8800 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8801 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8802 changed |= UPDATE_ASSOC_IES;
8805 wdev_lock(dev->ieee80211_ptr);
8806 if (!wdev->current_bss)
8809 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
8810 wdev_unlock(dev->ieee80211_ptr);
8815 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
8817 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8818 struct net_device *dev = info->user_ptr[1];
8822 if (!info->attrs[NL80211_ATTR_REASON_CODE])
8823 reason = WLAN_REASON_DEAUTH_LEAVING;
8825 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
8830 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8831 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8834 wdev_lock(dev->ieee80211_ptr);
8835 ret = cfg80211_disconnect(rdev, dev, reason, true);
8836 wdev_unlock(dev->ieee80211_ptr);
8840 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
8842 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8846 if (info->attrs[NL80211_ATTR_PID]) {
8847 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
8849 net = get_net_ns_by_pid(pid);
8850 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
8851 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
8853 net = get_net_ns_by_fd(fd);
8859 return PTR_ERR(net);
8863 /* check if anything to do */
8864 if (!net_eq(wiphy_net(&rdev->wiphy), net))
8865 err = cfg80211_switch_netns(rdev, net);
8871 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
8873 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8874 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
8875 struct cfg80211_pmksa *pmksa) = NULL;
8876 struct net_device *dev = info->user_ptr[1];
8877 struct cfg80211_pmksa pmksa;
8879 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
8881 if (!info->attrs[NL80211_ATTR_MAC])
8884 if (!info->attrs[NL80211_ATTR_PMKID])
8887 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
8888 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8890 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8891 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8894 switch (info->genlhdr->cmd) {
8895 case NL80211_CMD_SET_PMKSA:
8896 rdev_ops = rdev->ops->set_pmksa;
8898 case NL80211_CMD_DEL_PMKSA:
8899 rdev_ops = rdev->ops->del_pmksa;
8909 return rdev_ops(&rdev->wiphy, dev, &pmksa);
8912 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
8914 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8915 struct net_device *dev = info->user_ptr[1];
8917 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8918 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8921 if (!rdev->ops->flush_pmksa)
8924 return rdev_flush_pmksa(rdev, dev);
8927 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
8929 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8930 struct net_device *dev = info->user_ptr[1];
8931 u8 action_code, dialog_token;
8932 u32 peer_capability = 0;
8937 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
8938 !rdev->ops->tdls_mgmt)
8941 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
8942 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
8943 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
8944 !info->attrs[NL80211_ATTR_IE] ||
8945 !info->attrs[NL80211_ATTR_MAC])
8948 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
8949 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
8950 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
8951 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
8952 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
8953 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
8955 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
8957 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
8958 dialog_token, status_code, peer_capability,
8960 nla_data(info->attrs[NL80211_ATTR_IE]),
8961 nla_len(info->attrs[NL80211_ATTR_IE]));
8964 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
8966 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8967 struct net_device *dev = info->user_ptr[1];
8968 enum nl80211_tdls_operation operation;
8971 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
8972 !rdev->ops->tdls_oper)
8975 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
8976 !info->attrs[NL80211_ATTR_MAC])
8979 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
8980 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
8982 return rdev_tdls_oper(rdev, dev, peer, operation);
8985 static int nl80211_remain_on_channel(struct sk_buff *skb,
8986 struct genl_info *info)
8988 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8989 struct wireless_dev *wdev = info->user_ptr[1];
8990 struct cfg80211_chan_def chandef;
8991 struct sk_buff *msg;
8997 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8998 !info->attrs[NL80211_ATTR_DURATION])
9001 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
9003 if (!rdev->ops->remain_on_channel ||
9004 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
9008 * We should be on that channel for at least a minimum amount of
9009 * time (10ms) but no longer than the driver supports.
9011 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
9012 duration > rdev->wiphy.max_remain_on_channel_duration)
9015 err = nl80211_parse_chandef(rdev, info, &chandef);
9019 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9023 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9024 NL80211_CMD_REMAIN_ON_CHANNEL);
9030 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
9036 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
9038 goto nla_put_failure;
9040 genlmsg_end(msg, hdr);
9042 return genlmsg_reply(msg, info);
9051 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
9052 struct genl_info *info)
9054 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9055 struct wireless_dev *wdev = info->user_ptr[1];
9058 if (!info->attrs[NL80211_ATTR_COOKIE])
9061 if (!rdev->ops->cancel_remain_on_channel)
9064 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9066 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
9069 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
9070 struct genl_info *info)
9072 struct cfg80211_bitrate_mask mask;
9073 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9074 struct net_device *dev = info->user_ptr[1];
9077 if (!rdev->ops->set_bitrate_mask)
9080 err = nl80211_parse_tx_bitrate_mask(info, &mask);
9084 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
9087 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
9089 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9090 struct wireless_dev *wdev = info->user_ptr[1];
9091 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
9093 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
9096 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
9097 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
9099 switch (wdev->iftype) {
9100 case NL80211_IFTYPE_STATION:
9101 case NL80211_IFTYPE_ADHOC:
9102 case NL80211_IFTYPE_P2P_CLIENT:
9103 case NL80211_IFTYPE_AP:
9104 case NL80211_IFTYPE_AP_VLAN:
9105 case NL80211_IFTYPE_MESH_POINT:
9106 case NL80211_IFTYPE_P2P_GO:
9107 case NL80211_IFTYPE_P2P_DEVICE:
9109 case NL80211_IFTYPE_NAN:
9114 /* not much point in registering if we can't reply */
9115 if (!rdev->ops->mgmt_tx)
9118 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
9119 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
9120 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
9123 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
9125 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9126 struct wireless_dev *wdev = info->user_ptr[1];
9127 struct cfg80211_chan_def chandef;
9131 struct sk_buff *msg = NULL;
9132 struct cfg80211_mgmt_tx_params params = {
9133 .dont_wait_for_ack =
9134 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
9137 if (!info->attrs[NL80211_ATTR_FRAME])
9140 if (!rdev->ops->mgmt_tx)
9143 switch (wdev->iftype) {
9144 case NL80211_IFTYPE_P2P_DEVICE:
9145 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9147 case NL80211_IFTYPE_STATION:
9148 case NL80211_IFTYPE_ADHOC:
9149 case NL80211_IFTYPE_P2P_CLIENT:
9150 case NL80211_IFTYPE_AP:
9151 case NL80211_IFTYPE_AP_VLAN:
9152 case NL80211_IFTYPE_MESH_POINT:
9153 case NL80211_IFTYPE_P2P_GO:
9155 case NL80211_IFTYPE_NAN:
9160 if (info->attrs[NL80211_ATTR_DURATION]) {
9161 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
9163 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
9166 * We should wait on the channel for at least a minimum amount
9167 * of time (10ms) but no longer than the driver supports.
9169 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
9170 params.wait > rdev->wiphy.max_remain_on_channel_duration)
9174 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
9176 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
9179 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
9181 /* get the channel if any has been specified, otherwise pass NULL to
9182 * the driver. The latter will use the current one
9184 chandef.chan = NULL;
9185 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9186 err = nl80211_parse_chandef(rdev, info, &chandef);
9191 if (!chandef.chan && params.offchan)
9194 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
9195 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
9197 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
9198 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
9201 if (len % sizeof(u16))
9204 params.n_csa_offsets = len / sizeof(u16);
9205 params.csa_offsets =
9206 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
9208 /* check that all the offsets fit the frame */
9209 for (i = 0; i < params.n_csa_offsets; i++) {
9210 if (params.csa_offsets[i] >= params.len)
9215 if (!params.dont_wait_for_ack) {
9216 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9220 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9228 params.chan = chandef.chan;
9229 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
9234 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
9236 goto nla_put_failure;
9238 genlmsg_end(msg, hdr);
9239 return genlmsg_reply(msg, info);
9251 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
9253 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9254 struct wireless_dev *wdev = info->user_ptr[1];
9257 if (!info->attrs[NL80211_ATTR_COOKIE])
9260 if (!rdev->ops->mgmt_tx_cancel_wait)
9263 switch (wdev->iftype) {
9264 case NL80211_IFTYPE_STATION:
9265 case NL80211_IFTYPE_ADHOC:
9266 case NL80211_IFTYPE_P2P_CLIENT:
9267 case NL80211_IFTYPE_AP:
9268 case NL80211_IFTYPE_AP_VLAN:
9269 case NL80211_IFTYPE_P2P_GO:
9270 case NL80211_IFTYPE_P2P_DEVICE:
9272 case NL80211_IFTYPE_NAN:
9277 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9279 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
9282 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
9284 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9285 struct wireless_dev *wdev;
9286 struct net_device *dev = info->user_ptr[1];
9291 if (!info->attrs[NL80211_ATTR_PS_STATE])
9294 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
9296 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
9299 wdev = dev->ieee80211_ptr;
9301 if (!rdev->ops->set_power_mgmt)
9304 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
9306 if (state == wdev->ps)
9309 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
9315 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
9317 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9318 enum nl80211_ps_state ps_state;
9319 struct wireless_dev *wdev;
9320 struct net_device *dev = info->user_ptr[1];
9321 struct sk_buff *msg;
9325 wdev = dev->ieee80211_ptr;
9327 if (!rdev->ops->set_power_mgmt)
9330 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9334 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9335 NL80211_CMD_GET_POWER_SAVE);
9342 ps_state = NL80211_PS_ENABLED;
9344 ps_state = NL80211_PS_DISABLED;
9346 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
9347 goto nla_put_failure;
9349 genlmsg_end(msg, hdr);
9350 return genlmsg_reply(msg, info);
9359 static const struct nla_policy
9360 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
9361 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
9362 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
9363 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
9364 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
9365 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
9366 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
9369 static int nl80211_set_cqm_txe(struct genl_info *info,
9370 u32 rate, u32 pkts, u32 intvl)
9372 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9373 struct net_device *dev = info->user_ptr[1];
9374 struct wireless_dev *wdev = dev->ieee80211_ptr;
9376 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
9379 if (!rdev->ops->set_cqm_txe_config)
9382 if (wdev->iftype != NL80211_IFTYPE_STATION &&
9383 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
9386 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
9389 static int nl80211_set_cqm_rssi(struct genl_info *info,
9390 s32 threshold, u32 hysteresis)
9392 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9393 struct net_device *dev = info->user_ptr[1];
9394 struct wireless_dev *wdev = dev->ieee80211_ptr;
9399 /* disabling - hysteresis should also be zero then */
9403 if (!rdev->ops->set_cqm_rssi_config)
9406 if (wdev->iftype != NL80211_IFTYPE_STATION &&
9407 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
9410 return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis);
9413 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
9415 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
9419 cqm = info->attrs[NL80211_ATTR_CQM];
9423 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
9424 nl80211_attr_cqm_policy);
9428 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
9429 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
9430 s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
9431 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
9433 return nl80211_set_cqm_rssi(info, threshold, hysteresis);
9436 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
9437 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
9438 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
9439 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
9440 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
9441 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
9443 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
9449 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
9451 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9452 struct net_device *dev = info->user_ptr[1];
9453 struct ocb_setup setup = {};
9456 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
9460 return cfg80211_join_ocb(rdev, dev, &setup);
9463 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
9465 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9466 struct net_device *dev = info->user_ptr[1];
9468 return cfg80211_leave_ocb(rdev, dev);
9471 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
9473 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9474 struct net_device *dev = info->user_ptr[1];
9475 struct mesh_config cfg;
9476 struct mesh_setup setup;
9479 /* start with default */
9480 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
9481 memcpy(&setup, &default_mesh_setup, sizeof(setup));
9483 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
9484 /* and parse parameters if given */
9485 err = nl80211_parse_mesh_config(info, &cfg, NULL);
9490 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
9491 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
9494 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
9495 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
9497 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9498 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
9499 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9502 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
9503 setup.beacon_interval =
9504 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9506 err = cfg80211_validate_beacon_int(rdev,
9507 NL80211_IFTYPE_MESH_POINT,
9508 setup.beacon_interval);
9513 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
9515 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
9516 if (setup.dtim_period < 1 || setup.dtim_period > 100)
9520 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
9521 /* parse additional setup parameters if given */
9522 err = nl80211_parse_mesh_setup(info, &setup);
9528 cfg.auto_open_plinks = false;
9530 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9531 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
9535 /* cfg80211_join_mesh() will sort it out */
9536 setup.chandef.chan = NULL;
9539 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9540 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9542 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9543 struct ieee80211_supported_band *sband;
9545 if (!setup.chandef.chan)
9548 sband = rdev->wiphy.bands[setup.chandef.chan->band];
9550 err = ieee80211_get_ratemask(sband, rates, n_rates,
9551 &setup.basic_rates);
9556 if (info->attrs[NL80211_ATTR_TX_RATES]) {
9557 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
9561 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
9562 &setup.beacon_rate);
9567 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
9570 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
9572 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9573 struct net_device *dev = info->user_ptr[1];
9575 return cfg80211_leave_mesh(rdev, dev);
9579 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
9580 struct cfg80211_registered_device *rdev)
9582 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
9583 struct nlattr *nl_pats, *nl_pat;
9586 if (!wowlan->n_patterns)
9589 nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
9593 for (i = 0; i < wowlan->n_patterns; i++) {
9594 nl_pat = nla_nest_start(msg, i + 1);
9597 pat_len = wowlan->patterns[i].pattern_len;
9598 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
9599 wowlan->patterns[i].mask) ||
9600 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
9601 wowlan->patterns[i].pattern) ||
9602 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
9603 wowlan->patterns[i].pkt_offset))
9605 nla_nest_end(msg, nl_pat);
9607 nla_nest_end(msg, nl_pats);
9612 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
9613 struct cfg80211_wowlan_tcp *tcp)
9615 struct nlattr *nl_tcp;
9620 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
9624 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
9625 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
9626 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
9627 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
9628 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
9629 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
9630 tcp->payload_len, tcp->payload) ||
9631 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
9632 tcp->data_interval) ||
9633 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
9634 tcp->wake_len, tcp->wake_data) ||
9635 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
9636 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
9639 if (tcp->payload_seq.len &&
9640 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
9641 sizeof(tcp->payload_seq), &tcp->payload_seq))
9644 if (tcp->payload_tok.len &&
9645 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
9646 sizeof(tcp->payload_tok) + tcp->tokens_size,
9650 nla_nest_end(msg, nl_tcp);
9655 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
9656 struct cfg80211_sched_scan_request *req)
9658 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
9664 nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
9668 if (req->n_scan_plans == 1 &&
9669 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
9670 req->scan_plans[0].interval * 1000))
9673 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
9676 freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
9680 for (i = 0; i < req->n_channels; i++) {
9681 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
9685 nla_nest_end(msg, freqs);
9687 if (req->n_match_sets) {
9688 matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH);
9692 for (i = 0; i < req->n_match_sets; i++) {
9693 match = nla_nest_start(msg, i);
9697 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
9698 req->match_sets[i].ssid.ssid_len,
9699 req->match_sets[i].ssid.ssid))
9701 nla_nest_end(msg, match);
9703 nla_nest_end(msg, matches);
9706 scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
9710 for (i = 0; i < req->n_scan_plans; i++) {
9711 scan_plan = nla_nest_start(msg, i + 1);
9716 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
9717 req->scan_plans[i].interval) ||
9718 (req->scan_plans[i].iterations &&
9719 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
9720 req->scan_plans[i].iterations)))
9722 nla_nest_end(msg, scan_plan);
9724 nla_nest_end(msg, scan_plans);
9726 nla_nest_end(msg, nd);
9731 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
9733 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9734 struct sk_buff *msg;
9736 u32 size = NLMSG_DEFAULT_SIZE;
9738 if (!rdev->wiphy.wowlan)
9741 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
9742 /* adjust size to have room for all the data */
9743 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
9744 rdev->wiphy.wowlan_config->tcp->payload_len +
9745 rdev->wiphy.wowlan_config->tcp->wake_len +
9746 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
9749 msg = nlmsg_new(size, GFP_KERNEL);
9753 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9754 NL80211_CMD_GET_WOWLAN);
9756 goto nla_put_failure;
9758 if (rdev->wiphy.wowlan_config) {
9759 struct nlattr *nl_wowlan;
9761 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
9763 goto nla_put_failure;
9765 if ((rdev->wiphy.wowlan_config->any &&
9766 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
9767 (rdev->wiphy.wowlan_config->disconnect &&
9768 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
9769 (rdev->wiphy.wowlan_config->magic_pkt &&
9770 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
9771 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
9772 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
9773 (rdev->wiphy.wowlan_config->eap_identity_req &&
9774 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
9775 (rdev->wiphy.wowlan_config->four_way_handshake &&
9776 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
9777 (rdev->wiphy.wowlan_config->rfkill_release &&
9778 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
9779 goto nla_put_failure;
9781 if (nl80211_send_wowlan_patterns(msg, rdev))
9782 goto nla_put_failure;
9784 if (nl80211_send_wowlan_tcp(msg,
9785 rdev->wiphy.wowlan_config->tcp))
9786 goto nla_put_failure;
9788 if (nl80211_send_wowlan_nd(
9790 rdev->wiphy.wowlan_config->nd_config))
9791 goto nla_put_failure;
9793 nla_nest_end(msg, nl_wowlan);
9796 genlmsg_end(msg, hdr);
9797 return genlmsg_reply(msg, info);
9804 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
9805 struct nlattr *attr,
9806 struct cfg80211_wowlan *trig)
9808 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
9809 struct cfg80211_wowlan_tcp *cfg;
9810 struct nl80211_wowlan_tcp_data_token *tok = NULL;
9811 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
9813 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
9816 if (!rdev->wiphy.wowlan->tcp)
9819 err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TCP, attr,
9820 nl80211_wowlan_tcp_policy);
9824 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
9825 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
9826 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
9827 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
9828 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
9829 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
9830 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
9831 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
9834 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
9835 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
9838 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
9839 rdev->wiphy.wowlan->tcp->data_interval_max ||
9840 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
9843 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
9844 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
9847 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
9848 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
9851 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
9852 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
9854 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
9855 tokens_size = tokln - sizeof(*tok);
9857 if (!tok->len || tokens_size % tok->len)
9859 if (!rdev->wiphy.wowlan->tcp->tok)
9861 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
9863 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
9865 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
9867 if (tok->offset + tok->len > data_size)
9871 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
9872 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
9873 if (!rdev->wiphy.wowlan->tcp->seq)
9875 if (seq->len == 0 || seq->len > 4)
9877 if (seq->len + seq->offset > data_size)
9881 size = sizeof(*cfg);
9883 size += wake_size + wake_mask_size;
9884 size += tokens_size;
9886 cfg = kzalloc(size, GFP_KERNEL);
9889 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
9890 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
9891 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
9893 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
9894 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
9898 /* allocate a socket and port for it and use it */
9899 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
9900 IPPROTO_TCP, &cfg->sock, 1);
9905 if (inet_csk_get_port(cfg->sock->sk, port)) {
9906 sock_release(cfg->sock);
9910 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
9916 cfg->src_port = port;
9919 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
9920 cfg->payload_len = data_size;
9921 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
9922 memcpy((void *)cfg->payload,
9923 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
9926 cfg->payload_seq = *seq;
9927 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
9928 cfg->wake_len = wake_size;
9929 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
9930 memcpy((void *)cfg->wake_data,
9931 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
9933 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
9934 data_size + wake_size;
9935 memcpy((void *)cfg->wake_mask,
9936 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
9939 cfg->tokens_size = tokens_size;
9940 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
9948 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
9949 const struct wiphy_wowlan_support *wowlan,
9950 struct nlattr *attr,
9951 struct cfg80211_wowlan *trig)
9956 tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL);
9960 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
9965 err = nla_parse_nested(tb, NL80211_ATTR_MAX, attr, nl80211_policy);
9969 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb);
9970 err = PTR_ERR_OR_ZERO(trig->nd_config);
9972 trig->nd_config = NULL;
9979 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
9981 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9982 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
9983 struct cfg80211_wowlan new_triggers = {};
9984 struct cfg80211_wowlan *ntrig;
9985 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
9987 bool prev_enabled = rdev->wiphy.wowlan_config;
9988 bool regular = false;
9993 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
9994 cfg80211_rdev_free_wowlan(rdev);
9995 rdev->wiphy.wowlan_config = NULL;
9999 err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TRIG,
10000 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
10001 nl80211_wowlan_policy);
10005 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
10006 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
10008 new_triggers.any = true;
10011 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
10012 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
10014 new_triggers.disconnect = true;
10018 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
10019 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
10021 new_triggers.magic_pkt = true;
10025 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
10028 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
10029 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
10031 new_triggers.gtk_rekey_failure = true;
10035 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
10036 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
10038 new_triggers.eap_identity_req = true;
10042 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
10043 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
10045 new_triggers.four_way_handshake = true;
10049 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
10050 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
10052 new_triggers.rfkill_release = true;
10056 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
10057 struct nlattr *pat;
10058 int n_patterns = 0;
10059 int rem, pat_len, mask_len, pkt_offset;
10060 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
10064 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
10067 if (n_patterns > wowlan->n_patterns)
10070 new_triggers.patterns = kcalloc(n_patterns,
10071 sizeof(new_triggers.patterns[0]),
10073 if (!new_triggers.patterns)
10076 new_triggers.n_patterns = n_patterns;
10079 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
10083 nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
10086 if (!pat_tb[NL80211_PKTPAT_MASK] ||
10087 !pat_tb[NL80211_PKTPAT_PATTERN])
10089 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
10090 mask_len = DIV_ROUND_UP(pat_len, 8);
10091 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
10093 if (pat_len > wowlan->pattern_max_len ||
10094 pat_len < wowlan->pattern_min_len)
10097 if (!pat_tb[NL80211_PKTPAT_OFFSET])
10100 pkt_offset = nla_get_u32(
10101 pat_tb[NL80211_PKTPAT_OFFSET]);
10102 if (pkt_offset > wowlan->max_pkt_offset)
10104 new_triggers.patterns[i].pkt_offset = pkt_offset;
10106 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
10111 new_triggers.patterns[i].mask = mask_pat;
10112 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
10114 mask_pat += mask_len;
10115 new_triggers.patterns[i].pattern = mask_pat;
10116 new_triggers.patterns[i].pattern_len = pat_len;
10118 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
10124 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
10126 err = nl80211_parse_wowlan_tcp(
10127 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
10133 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
10135 err = nl80211_parse_wowlan_nd(
10136 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
10142 /* The 'any' trigger means the device continues operating more or less
10143 * as in its normal operation mode and wakes up the host on most of the
10144 * normal interrupts (like packet RX, ...)
10145 * It therefore makes little sense to combine with the more constrained
10146 * wakeup trigger modes.
10148 if (new_triggers.any && regular) {
10153 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
10158 cfg80211_rdev_free_wowlan(rdev);
10159 rdev->wiphy.wowlan_config = ntrig;
10162 if (rdev->ops->set_wakeup &&
10163 prev_enabled != !!rdev->wiphy.wowlan_config)
10164 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
10168 for (i = 0; i < new_triggers.n_patterns; i++)
10169 kfree(new_triggers.patterns[i].mask);
10170 kfree(new_triggers.patterns);
10171 if (new_triggers.tcp && new_triggers.tcp->sock)
10172 sock_release(new_triggers.tcp->sock);
10173 kfree(new_triggers.tcp);
10174 kfree(new_triggers.nd_config);
10179 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
10180 struct cfg80211_registered_device *rdev)
10182 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
10184 struct cfg80211_coalesce_rules *rule;
10186 if (!rdev->coalesce->n_rules)
10189 nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE);
10193 for (i = 0; i < rdev->coalesce->n_rules; i++) {
10194 nl_rule = nla_nest_start(msg, i + 1);
10198 rule = &rdev->coalesce->rules[i];
10199 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
10203 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
10207 nl_pats = nla_nest_start(msg,
10208 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
10212 for (j = 0; j < rule->n_patterns; j++) {
10213 nl_pat = nla_nest_start(msg, j + 1);
10216 pat_len = rule->patterns[j].pattern_len;
10217 if (nla_put(msg, NL80211_PKTPAT_MASK,
10218 DIV_ROUND_UP(pat_len, 8),
10219 rule->patterns[j].mask) ||
10220 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
10221 rule->patterns[j].pattern) ||
10222 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
10223 rule->patterns[j].pkt_offset))
10225 nla_nest_end(msg, nl_pat);
10227 nla_nest_end(msg, nl_pats);
10228 nla_nest_end(msg, nl_rule);
10230 nla_nest_end(msg, nl_rules);
10235 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
10237 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10238 struct sk_buff *msg;
10241 if (!rdev->wiphy.coalesce)
10242 return -EOPNOTSUPP;
10244 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10248 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10249 NL80211_CMD_GET_COALESCE);
10251 goto nla_put_failure;
10253 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
10254 goto nla_put_failure;
10256 genlmsg_end(msg, hdr);
10257 return genlmsg_reply(msg, info);
10264 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
10266 struct cfg80211_coalesce *coalesce = rdev->coalesce;
10268 struct cfg80211_coalesce_rules *rule;
10273 for (i = 0; i < coalesce->n_rules; i++) {
10274 rule = &coalesce->rules[i];
10275 for (j = 0; j < rule->n_patterns; j++)
10276 kfree(rule->patterns[j].mask);
10277 kfree(rule->patterns);
10279 kfree(coalesce->rules);
10281 rdev->coalesce = NULL;
10284 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
10285 struct nlattr *rule,
10286 struct cfg80211_coalesce_rules *new_rule)
10289 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
10290 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
10291 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
10292 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
10294 err = nla_parse_nested(tb, NL80211_ATTR_COALESCE_RULE_MAX, rule,
10295 nl80211_coalesce_policy);
10299 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
10301 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
10302 if (new_rule->delay > coalesce->max_delay)
10305 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
10306 new_rule->condition =
10307 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
10308 if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH &&
10309 new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH)
10312 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
10315 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
10318 if (n_patterns > coalesce->n_patterns)
10321 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
10323 if (!new_rule->patterns)
10326 new_rule->n_patterns = n_patterns;
10329 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
10333 nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, NULL);
10334 if (!pat_tb[NL80211_PKTPAT_MASK] ||
10335 !pat_tb[NL80211_PKTPAT_PATTERN])
10337 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
10338 mask_len = DIV_ROUND_UP(pat_len, 8);
10339 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
10341 if (pat_len > coalesce->pattern_max_len ||
10342 pat_len < coalesce->pattern_min_len)
10345 if (!pat_tb[NL80211_PKTPAT_OFFSET])
10348 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
10349 if (pkt_offset > coalesce->max_pkt_offset)
10351 new_rule->patterns[i].pkt_offset = pkt_offset;
10353 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
10357 new_rule->patterns[i].mask = mask_pat;
10358 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
10361 mask_pat += mask_len;
10362 new_rule->patterns[i].pattern = mask_pat;
10363 new_rule->patterns[i].pattern_len = pat_len;
10364 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
10372 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
10374 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10375 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
10376 struct cfg80211_coalesce new_coalesce = {};
10377 struct cfg80211_coalesce *n_coalesce;
10378 int err, rem_rule, n_rules = 0, i, j;
10379 struct nlattr *rule;
10380 struct cfg80211_coalesce_rules *tmp_rule;
10382 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
10383 return -EOPNOTSUPP;
10385 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
10386 cfg80211_rdev_free_coalesce(rdev);
10387 rdev_set_coalesce(rdev, NULL);
10391 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
10394 if (n_rules > coalesce->n_rules)
10397 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
10399 if (!new_coalesce.rules)
10402 new_coalesce.n_rules = n_rules;
10405 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
10407 err = nl80211_parse_coalesce_rule(rdev, rule,
10408 &new_coalesce.rules[i]);
10415 err = rdev_set_coalesce(rdev, &new_coalesce);
10419 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
10424 cfg80211_rdev_free_coalesce(rdev);
10425 rdev->coalesce = n_coalesce;
10429 for (i = 0; i < new_coalesce.n_rules; i++) {
10430 tmp_rule = &new_coalesce.rules[i];
10431 for (j = 0; j < tmp_rule->n_patterns; j++)
10432 kfree(tmp_rule->patterns[j].mask);
10433 kfree(tmp_rule->patterns);
10435 kfree(new_coalesce.rules);
10440 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
10442 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10443 struct net_device *dev = info->user_ptr[1];
10444 struct wireless_dev *wdev = dev->ieee80211_ptr;
10445 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
10446 struct cfg80211_gtk_rekey_data rekey_data;
10449 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
10452 err = nla_parse_nested(tb, MAX_NL80211_REKEY_DATA,
10453 info->attrs[NL80211_ATTR_REKEY_DATA],
10454 nl80211_rekey_policy);
10458 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
10460 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
10462 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
10465 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
10466 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
10467 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
10470 if (!wdev->current_bss) {
10475 if (!rdev->ops->set_rekey_data) {
10480 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
10486 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
10487 struct genl_info *info)
10489 struct net_device *dev = info->user_ptr[1];
10490 struct wireless_dev *wdev = dev->ieee80211_ptr;
10492 if (wdev->iftype != NL80211_IFTYPE_AP &&
10493 wdev->iftype != NL80211_IFTYPE_P2P_GO)
10496 if (wdev->ap_unexpected_nlportid)
10499 wdev->ap_unexpected_nlportid = info->snd_portid;
10503 static int nl80211_probe_client(struct sk_buff *skb,
10504 struct genl_info *info)
10506 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10507 struct net_device *dev = info->user_ptr[1];
10508 struct wireless_dev *wdev = dev->ieee80211_ptr;
10509 struct sk_buff *msg;
10515 if (wdev->iftype != NL80211_IFTYPE_AP &&
10516 wdev->iftype != NL80211_IFTYPE_P2P_GO)
10517 return -EOPNOTSUPP;
10519 if (!info->attrs[NL80211_ATTR_MAC])
10522 if (!rdev->ops->probe_client)
10523 return -EOPNOTSUPP;
10525 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10529 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10530 NL80211_CMD_PROBE_CLIENT);
10536 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
10538 err = rdev_probe_client(rdev, dev, addr, &cookie);
10542 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10544 goto nla_put_failure;
10546 genlmsg_end(msg, hdr);
10548 return genlmsg_reply(msg, info);
10557 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
10559 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10560 struct cfg80211_beacon_registration *reg, *nreg;
10563 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
10564 return -EOPNOTSUPP;
10566 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
10570 /* First, check if already registered. */
10571 spin_lock_bh(&rdev->beacon_registrations_lock);
10572 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
10573 if (reg->nlportid == info->snd_portid) {
10578 /* Add it to the list */
10579 nreg->nlportid = info->snd_portid;
10580 list_add(&nreg->list, &rdev->beacon_registrations);
10582 spin_unlock_bh(&rdev->beacon_registrations_lock);
10586 spin_unlock_bh(&rdev->beacon_registrations_lock);
10591 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
10593 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10594 struct wireless_dev *wdev = info->user_ptr[1];
10597 if (!rdev->ops->start_p2p_device)
10598 return -EOPNOTSUPP;
10600 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
10601 return -EOPNOTSUPP;
10603 if (wdev_running(wdev))
10606 if (rfkill_blocked(rdev->rfkill))
10609 err = rdev_start_p2p_device(rdev, wdev);
10613 wdev->is_running = true;
10619 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
10621 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10622 struct wireless_dev *wdev = info->user_ptr[1];
10624 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
10625 return -EOPNOTSUPP;
10627 if (!rdev->ops->stop_p2p_device)
10628 return -EOPNOTSUPP;
10630 cfg80211_stop_p2p_device(rdev, wdev);
10635 static int nl80211_start_nan(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];
10639 struct cfg80211_nan_conf conf = {};
10642 if (wdev->iftype != NL80211_IFTYPE_NAN)
10643 return -EOPNOTSUPP;
10645 if (wdev_running(wdev))
10648 if (rfkill_blocked(rdev->rfkill))
10651 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
10654 if (!info->attrs[NL80211_ATTR_NAN_DUAL])
10658 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
10659 if (!conf.master_pref)
10662 conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]);
10664 err = rdev_start_nan(rdev, wdev, &conf);
10668 wdev->is_running = true;
10674 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
10676 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10677 struct wireless_dev *wdev = info->user_ptr[1];
10679 if (wdev->iftype != NL80211_IFTYPE_NAN)
10680 return -EOPNOTSUPP;
10682 cfg80211_stop_nan(rdev, wdev);
10687 static int validate_nan_filter(struct nlattr *filter_attr)
10689 struct nlattr *attr;
10690 int len = 0, n_entries = 0, rem;
10692 nla_for_each_nested(attr, filter_attr, rem) {
10693 len += nla_len(attr);
10703 static int handle_nan_filter(struct nlattr *attr_filter,
10704 struct cfg80211_nan_func *func,
10707 struct nlattr *attr;
10708 int n_entries, rem, i;
10709 struct cfg80211_nan_func_filter *filter;
10711 n_entries = validate_nan_filter(attr_filter);
10715 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
10717 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
10722 nla_for_each_nested(attr, attr_filter, rem) {
10723 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
10724 filter[i].len = nla_len(attr);
10728 func->num_tx_filters = n_entries;
10729 func->tx_filters = filter;
10731 func->num_rx_filters = n_entries;
10732 func->rx_filters = filter;
10738 static int nl80211_nan_add_func(struct sk_buff *skb,
10739 struct genl_info *info)
10741 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10742 struct wireless_dev *wdev = info->user_ptr[1];
10743 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
10744 struct cfg80211_nan_func *func;
10745 struct sk_buff *msg = NULL;
10749 if (wdev->iftype != NL80211_IFTYPE_NAN)
10750 return -EOPNOTSUPP;
10752 if (!wdev_running(wdev))
10755 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
10758 if (wdev->owner_nlportid &&
10759 wdev->owner_nlportid != info->snd_portid)
10762 err = nla_parse_nested(tb, NL80211_NAN_FUNC_ATTR_MAX,
10763 info->attrs[NL80211_ATTR_NAN_FUNC],
10764 nl80211_nan_func_policy);
10768 func = kzalloc(sizeof(*func), GFP_KERNEL);
10772 func->cookie = wdev->wiphy->cookie_counter++;
10774 if (!tb[NL80211_NAN_FUNC_TYPE] ||
10775 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
10781 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
10783 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
10788 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
10789 sizeof(func->service_id));
10791 func->close_range =
10792 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
10794 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
10795 func->serv_spec_info_len =
10796 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
10797 func->serv_spec_info =
10798 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
10799 func->serv_spec_info_len,
10801 if (!func->serv_spec_info) {
10807 if (tb[NL80211_NAN_FUNC_TTL])
10808 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
10810 switch (func->type) {
10811 case NL80211_NAN_FUNC_PUBLISH:
10812 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
10817 func->publish_type =
10818 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
10819 func->publish_bcast =
10820 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
10822 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
10823 func->publish_bcast) {
10828 case NL80211_NAN_FUNC_SUBSCRIBE:
10829 func->subscribe_active =
10830 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
10832 case NL80211_NAN_FUNC_FOLLOW_UP:
10833 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
10834 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]) {
10839 func->followup_id =
10840 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
10841 func->followup_reqid =
10842 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
10843 memcpy(func->followup_dest.addr,
10844 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
10845 sizeof(func->followup_dest.addr));
10856 if (tb[NL80211_NAN_FUNC_SRF]) {
10857 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
10859 err = nla_parse_nested(srf_tb, NL80211_NAN_SRF_ATTR_MAX,
10860 tb[NL80211_NAN_FUNC_SRF],
10861 nl80211_nan_srf_policy);
10865 func->srf_include =
10866 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
10868 if (srf_tb[NL80211_NAN_SRF_BF]) {
10869 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
10870 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
10876 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
10878 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
10879 func->srf_bf_len, GFP_KERNEL);
10880 if (!func->srf_bf) {
10886 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
10888 struct nlattr *attr, *mac_attr =
10889 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
10890 int n_entries, rem, i = 0;
10897 n_entries = validate_acl_mac_addrs(mac_attr);
10898 if (n_entries <= 0) {
10903 func->srf_num_macs = n_entries;
10905 kzalloc(sizeof(*func->srf_macs) * n_entries,
10907 if (!func->srf_macs) {
10912 nla_for_each_nested(attr, mac_attr, rem)
10913 memcpy(func->srf_macs[i++].addr, nla_data(attr),
10914 sizeof(*func->srf_macs));
10918 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
10919 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
10925 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
10926 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
10932 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10938 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10939 NL80211_CMD_ADD_NAN_FUNCTION);
10940 /* This can't really happen - we just allocated 4KB */
10941 if (WARN_ON(!hdr)) {
10946 err = rdev_add_nan_func(rdev, wdev, func);
10949 cfg80211_free_nan_func(func);
10954 /* propagate the instance id and cookie to userspace */
10955 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
10957 goto nla_put_failure;
10959 func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC);
10961 goto nla_put_failure;
10963 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
10964 func->instance_id))
10965 goto nla_put_failure;
10967 nla_nest_end(msg, func_attr);
10969 genlmsg_end(msg, hdr);
10970 return genlmsg_reply(msg, info);
10977 static int nl80211_nan_del_func(struct sk_buff *skb,
10978 struct genl_info *info)
10980 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10981 struct wireless_dev *wdev = info->user_ptr[1];
10984 if (wdev->iftype != NL80211_IFTYPE_NAN)
10985 return -EOPNOTSUPP;
10987 if (!wdev_running(wdev))
10990 if (!info->attrs[NL80211_ATTR_COOKIE])
10993 if (wdev->owner_nlportid &&
10994 wdev->owner_nlportid != info->snd_portid)
10997 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10999 rdev_del_nan_func(rdev, wdev, cookie);
11004 static int nl80211_nan_change_config(struct sk_buff *skb,
11005 struct genl_info *info)
11007 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11008 struct wireless_dev *wdev = info->user_ptr[1];
11009 struct cfg80211_nan_conf conf = {};
11012 if (wdev->iftype != NL80211_IFTYPE_NAN)
11013 return -EOPNOTSUPP;
11015 if (!wdev_running(wdev))
11018 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
11020 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
11021 if (conf.master_pref <= 1 || conf.master_pref == 255)
11024 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
11027 if (info->attrs[NL80211_ATTR_NAN_DUAL]) {
11028 conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]);
11029 changed |= CFG80211_NAN_CONF_CHANGED_DUAL;
11035 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
11038 void cfg80211_nan_match(struct wireless_dev *wdev,
11039 struct cfg80211_nan_match_params *match, gfp_t gfp)
11041 struct wiphy *wiphy = wdev->wiphy;
11042 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11043 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
11044 struct sk_buff *msg;
11047 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
11050 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11054 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
11060 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11061 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11062 wdev->netdev->ifindex)) ||
11063 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
11065 goto nla_put_failure;
11067 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
11068 NL80211_ATTR_PAD) ||
11069 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
11070 goto nla_put_failure;
11072 match_attr = nla_nest_start(msg, NL80211_ATTR_NAN_MATCH);
11074 goto nla_put_failure;
11076 local_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_LOCAL);
11077 if (!local_func_attr)
11078 goto nla_put_failure;
11080 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
11081 goto nla_put_failure;
11083 nla_nest_end(msg, local_func_attr);
11085 peer_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_PEER);
11086 if (!peer_func_attr)
11087 goto nla_put_failure;
11089 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
11090 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
11091 goto nla_put_failure;
11093 if (match->info && match->info_len &&
11094 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
11096 goto nla_put_failure;
11098 nla_nest_end(msg, peer_func_attr);
11099 nla_nest_end(msg, match_attr);
11100 genlmsg_end(msg, hdr);
11102 if (!wdev->owner_nlportid)
11103 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11104 msg, 0, NL80211_MCGRP_NAN, gfp);
11106 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
11107 wdev->owner_nlportid);
11114 EXPORT_SYMBOL(cfg80211_nan_match);
11116 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
11118 enum nl80211_nan_func_term_reason reason,
11119 u64 cookie, gfp_t gfp)
11121 struct wiphy *wiphy = wdev->wiphy;
11122 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11123 struct sk_buff *msg;
11124 struct nlattr *func_attr;
11127 if (WARN_ON(!inst_id))
11130 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11134 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
11140 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11141 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11142 wdev->netdev->ifindex)) ||
11143 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
11145 goto nla_put_failure;
11147 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11149 goto nla_put_failure;
11151 func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC);
11153 goto nla_put_failure;
11155 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
11156 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
11157 goto nla_put_failure;
11159 nla_nest_end(msg, func_attr);
11160 genlmsg_end(msg, hdr);
11162 if (!wdev->owner_nlportid)
11163 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11164 msg, 0, NL80211_MCGRP_NAN, gfp);
11166 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
11167 wdev->owner_nlportid);
11174 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
11176 static int nl80211_get_protocol_features(struct sk_buff *skb,
11177 struct genl_info *info)
11180 struct sk_buff *msg;
11182 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11186 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11187 NL80211_CMD_GET_PROTOCOL_FEATURES);
11189 goto nla_put_failure;
11191 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
11192 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
11193 goto nla_put_failure;
11195 genlmsg_end(msg, hdr);
11196 return genlmsg_reply(msg, info);
11203 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
11205 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11206 struct cfg80211_update_ft_ies_params ft_params;
11207 struct net_device *dev = info->user_ptr[1];
11209 if (!rdev->ops->update_ft_ies)
11210 return -EOPNOTSUPP;
11212 if (!info->attrs[NL80211_ATTR_MDID] ||
11213 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
11216 memset(&ft_params, 0, sizeof(ft_params));
11217 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
11218 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11219 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11221 return rdev_update_ft_ies(rdev, dev, &ft_params);
11224 static int nl80211_crit_protocol_start(struct sk_buff *skb,
11225 struct genl_info *info)
11227 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11228 struct wireless_dev *wdev = info->user_ptr[1];
11229 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
11233 if (!rdev->ops->crit_proto_start)
11234 return -EOPNOTSUPP;
11236 if (WARN_ON(!rdev->ops->crit_proto_stop))
11239 if (rdev->crit_proto_nlportid)
11242 /* determine protocol if provided */
11243 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
11244 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
11246 if (proto >= NUM_NL80211_CRIT_PROTO)
11249 /* timeout must be provided */
11250 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
11254 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
11256 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
11259 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
11261 rdev->crit_proto_nlportid = info->snd_portid;
11266 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
11267 struct genl_info *info)
11269 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11270 struct wireless_dev *wdev = info->user_ptr[1];
11272 if (!rdev->ops->crit_proto_stop)
11273 return -EOPNOTSUPP;
11275 if (rdev->crit_proto_nlportid) {
11276 rdev->crit_proto_nlportid = 0;
11277 rdev_crit_proto_stop(rdev, wdev);
11282 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
11284 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11285 struct wireless_dev *wdev =
11286 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
11290 if (!rdev->wiphy.vendor_commands)
11291 return -EOPNOTSUPP;
11293 if (IS_ERR(wdev)) {
11294 err = PTR_ERR(wdev);
11295 if (err != -EINVAL)
11298 } else if (wdev->wiphy != &rdev->wiphy) {
11302 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
11303 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
11306 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
11307 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
11308 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
11309 const struct wiphy_vendor_command *vcmd;
11313 vcmd = &rdev->wiphy.vendor_commands[i];
11315 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
11318 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
11319 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
11322 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
11326 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
11327 if (!wdev_running(wdev))
11332 return -EOPNOTSUPP;
11337 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
11338 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
11339 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
11342 rdev->cur_cmd_info = info;
11343 err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev,
11345 rdev->cur_cmd_info = NULL;
11349 return -EOPNOTSUPP;
11352 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
11353 struct netlink_callback *cb,
11354 struct cfg80211_registered_device **rdev,
11355 struct wireless_dev **wdev)
11357 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
11363 unsigned int data_len = 0;
11368 /* subtract the 1 again here */
11369 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
11370 struct wireless_dev *tmp;
11376 *rdev = wiphy_to_rdev(wiphy);
11380 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
11381 if (tmp->identifier == cb->args[1] - 1) {
11388 /* keep rtnl locked in successful case */
11392 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
11393 attrbuf, nl80211_fam.maxattr, nl80211_policy);
11397 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
11398 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
11403 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
11407 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
11408 if (IS_ERR(*rdev)) {
11409 err = PTR_ERR(*rdev);
11413 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
11414 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
11416 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
11417 const struct wiphy_vendor_command *vcmd;
11419 vcmd = &(*rdev)->wiphy.vendor_commands[i];
11421 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
11424 if (!vcmd->dumpit) {
11433 if (vcmd_idx < 0) {
11438 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
11439 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
11440 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
11443 /* 0 is the first index - add 1 to parse only once */
11444 cb->args[0] = (*rdev)->wiphy_idx + 1;
11445 /* add 1 to know if it was NULL */
11446 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
11447 cb->args[2] = vcmd_idx;
11448 cb->args[3] = (unsigned long)data;
11449 cb->args[4] = data_len;
11451 /* keep rtnl locked in successful case */
11458 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
11459 struct netlink_callback *cb)
11461 struct cfg80211_registered_device *rdev;
11462 struct wireless_dev *wdev;
11463 unsigned int vcmd_idx;
11464 const struct wiphy_vendor_command *vcmd;
11468 struct nlattr *vendor_data;
11470 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
11474 vcmd_idx = cb->args[2];
11475 data = (void *)cb->args[3];
11476 data_len = cb->args[4];
11477 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
11479 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
11480 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
11483 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
11487 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
11488 if (!wdev_running(wdev))
11494 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
11495 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11496 NL80211_CMD_VENDOR);
11500 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11501 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
11503 NL80211_ATTR_PAD))) {
11504 genlmsg_cancel(skb, hdr);
11508 vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA);
11509 if (!vendor_data) {
11510 genlmsg_cancel(skb, hdr);
11514 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
11515 (unsigned long *)&cb->args[5]);
11516 nla_nest_end(skb, vendor_data);
11518 if (err == -ENOBUFS || err == -ENOENT) {
11519 genlmsg_cancel(skb, hdr);
11522 genlmsg_cancel(skb, hdr);
11526 genlmsg_end(skb, hdr);
11535 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
11536 enum nl80211_commands cmd,
11537 enum nl80211_attrs attr,
11540 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11542 if (WARN_ON(!rdev->cur_cmd_info))
11545 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
11546 rdev->cur_cmd_info->snd_portid,
11547 rdev->cur_cmd_info->snd_seq,
11548 cmd, attr, NULL, GFP_KERNEL);
11550 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
11552 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
11554 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
11555 void *hdr = ((void **)skb->cb)[1];
11556 struct nlattr *data = ((void **)skb->cb)[2];
11558 /* clear CB data for netlink core to own from now on */
11559 memset(skb->cb, 0, sizeof(skb->cb));
11561 if (WARN_ON(!rdev->cur_cmd_info)) {
11566 nla_nest_end(skb, data);
11567 genlmsg_end(skb, hdr);
11568 return genlmsg_reply(skb, rdev->cur_cmd_info);
11570 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
11572 static int nl80211_set_qos_map(struct sk_buff *skb,
11573 struct genl_info *info)
11575 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11576 struct cfg80211_qos_map *qos_map = NULL;
11577 struct net_device *dev = info->user_ptr[1];
11578 u8 *pos, len, num_des, des_len, des;
11581 if (!rdev->ops->set_qos_map)
11582 return -EOPNOTSUPP;
11584 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
11585 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
11586 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
11588 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
11589 len > IEEE80211_QOS_MAP_LEN_MAX)
11592 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
11596 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
11598 des_len = num_des *
11599 sizeof(struct cfg80211_dscp_exception);
11600 memcpy(qos_map->dscp_exception, pos, des_len);
11601 qos_map->num_des = num_des;
11602 for (des = 0; des < num_des; des++) {
11603 if (qos_map->dscp_exception[des].up > 7) {
11610 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
11613 wdev_lock(dev->ieee80211_ptr);
11614 ret = nl80211_key_allowed(dev->ieee80211_ptr);
11616 ret = rdev_set_qos_map(rdev, dev, qos_map);
11617 wdev_unlock(dev->ieee80211_ptr);
11623 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
11625 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11626 struct net_device *dev = info->user_ptr[1];
11627 struct wireless_dev *wdev = dev->ieee80211_ptr;
11630 u16 admitted_time = 0;
11633 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
11634 return -EOPNOTSUPP;
11636 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
11637 !info->attrs[NL80211_ATTR_USER_PRIO])
11640 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
11641 if (tsid >= IEEE80211_NUM_TIDS)
11644 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
11645 if (up >= IEEE80211_NUM_UPS)
11648 /* WMM uses TIDs 0-7 even for TSPEC */
11649 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
11650 /* TODO: handle 802.11 TSPEC/admission control
11651 * need more attributes for that (e.g. BA session requirement);
11652 * change the WMM adminssion test above to allow both then
11657 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11659 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
11661 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
11662 if (!admitted_time)
11667 switch (wdev->iftype) {
11668 case NL80211_IFTYPE_STATION:
11669 case NL80211_IFTYPE_P2P_CLIENT:
11670 if (wdev->current_bss)
11679 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
11686 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
11688 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11689 struct net_device *dev = info->user_ptr[1];
11690 struct wireless_dev *wdev = dev->ieee80211_ptr;
11695 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
11698 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
11699 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11702 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
11708 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
11709 struct genl_info *info)
11711 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11712 struct net_device *dev = info->user_ptr[1];
11713 struct wireless_dev *wdev = dev->ieee80211_ptr;
11714 struct cfg80211_chan_def chandef = {};
11719 if (!rdev->ops->tdls_channel_switch ||
11720 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
11721 return -EOPNOTSUPP;
11723 switch (dev->ieee80211_ptr->iftype) {
11724 case NL80211_IFTYPE_STATION:
11725 case NL80211_IFTYPE_P2P_CLIENT:
11728 return -EOPNOTSUPP;
11731 if (!info->attrs[NL80211_ATTR_MAC] ||
11732 !info->attrs[NL80211_ATTR_OPER_CLASS])
11735 err = nl80211_parse_chandef(rdev, info, &chandef);
11740 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
11741 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
11742 * specification is not defined for them.
11744 if (chandef.chan->band == NL80211_BAND_2GHZ &&
11745 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
11746 chandef.width != NL80211_CHAN_WIDTH_20)
11749 /* we will be active on the TDLS link */
11750 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
11754 /* don't allow switching to DFS channels */
11755 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
11758 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
11759 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
11762 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
11768 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
11769 struct genl_info *info)
11771 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11772 struct net_device *dev = info->user_ptr[1];
11773 struct wireless_dev *wdev = dev->ieee80211_ptr;
11776 if (!rdev->ops->tdls_channel_switch ||
11777 !rdev->ops->tdls_cancel_channel_switch ||
11778 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
11779 return -EOPNOTSUPP;
11781 switch (dev->ieee80211_ptr->iftype) {
11782 case NL80211_IFTYPE_STATION:
11783 case NL80211_IFTYPE_P2P_CLIENT:
11786 return -EOPNOTSUPP;
11789 if (!info->attrs[NL80211_ATTR_MAC])
11792 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
11795 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
11801 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
11802 struct genl_info *info)
11804 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11805 struct net_device *dev = info->user_ptr[1];
11806 struct wireless_dev *wdev = dev->ieee80211_ptr;
11807 const struct nlattr *nla;
11810 if (netif_running(dev))
11813 if (!rdev->ops->set_multicast_to_unicast)
11814 return -EOPNOTSUPP;
11816 if (wdev->iftype != NL80211_IFTYPE_AP &&
11817 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11818 return -EOPNOTSUPP;
11820 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
11821 enabled = nla_get_flag(nla);
11823 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
11826 #define NL80211_FLAG_NEED_WIPHY 0x01
11827 #define NL80211_FLAG_NEED_NETDEV 0x02
11828 #define NL80211_FLAG_NEED_RTNL 0x04
11829 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
11830 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
11831 NL80211_FLAG_CHECK_NETDEV_UP)
11832 #define NL80211_FLAG_NEED_WDEV 0x10
11833 /* If a netdev is associated, it must be UP, P2P must be started */
11834 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
11835 NL80211_FLAG_CHECK_NETDEV_UP)
11836 #define NL80211_FLAG_CLEAR_SKB 0x20
11838 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
11839 struct genl_info *info)
11841 struct cfg80211_registered_device *rdev;
11842 struct wireless_dev *wdev;
11843 struct net_device *dev;
11844 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
11849 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
11850 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
11851 if (IS_ERR(rdev)) {
11854 return PTR_ERR(rdev);
11856 info->user_ptr[0] = rdev;
11857 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
11858 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
11861 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
11863 if (IS_ERR(wdev)) {
11866 return PTR_ERR(wdev);
11869 dev = wdev->netdev;
11870 rdev = wiphy_to_rdev(wdev->wiphy);
11872 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
11879 info->user_ptr[1] = dev;
11881 info->user_ptr[1] = wdev;
11884 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
11885 !wdev_running(wdev)) {
11894 info->user_ptr[0] = rdev;
11900 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
11901 struct genl_info *info)
11903 if (info->user_ptr[1]) {
11904 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
11905 struct wireless_dev *wdev = info->user_ptr[1];
11908 dev_put(wdev->netdev);
11910 dev_put(info->user_ptr[1]);
11914 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
11917 /* If needed, clear the netlink message payload from the SKB
11918 * as it might contain key data that shouldn't stick around on
11919 * the heap after the SKB is freed. The netlink message header
11920 * is still needed for further processing, so leave it intact.
11922 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
11923 struct nlmsghdr *nlh = nlmsg_hdr(skb);
11925 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
11929 static const struct genl_ops nl80211_ops[] = {
11931 .cmd = NL80211_CMD_GET_WIPHY,
11932 .doit = nl80211_get_wiphy,
11933 .dumpit = nl80211_dump_wiphy,
11934 .done = nl80211_dump_wiphy_done,
11935 .policy = nl80211_policy,
11936 /* can be retrieved by unprivileged users */
11937 .internal_flags = NL80211_FLAG_NEED_WIPHY |
11938 NL80211_FLAG_NEED_RTNL,
11941 .cmd = NL80211_CMD_SET_WIPHY,
11942 .doit = nl80211_set_wiphy,
11943 .policy = nl80211_policy,
11944 .flags = GENL_UNS_ADMIN_PERM,
11945 .internal_flags = NL80211_FLAG_NEED_RTNL,
11948 .cmd = NL80211_CMD_GET_INTERFACE,
11949 .doit = nl80211_get_interface,
11950 .dumpit = nl80211_dump_interface,
11951 .policy = nl80211_policy,
11952 /* can be retrieved by unprivileged users */
11953 .internal_flags = NL80211_FLAG_NEED_WDEV |
11954 NL80211_FLAG_NEED_RTNL,
11957 .cmd = NL80211_CMD_SET_INTERFACE,
11958 .doit = nl80211_set_interface,
11959 .policy = nl80211_policy,
11960 .flags = GENL_UNS_ADMIN_PERM,
11961 .internal_flags = NL80211_FLAG_NEED_NETDEV |
11962 NL80211_FLAG_NEED_RTNL,
11965 .cmd = NL80211_CMD_NEW_INTERFACE,
11966 .doit = nl80211_new_interface,
11967 .policy = nl80211_policy,
11968 .flags = GENL_UNS_ADMIN_PERM,
11969 .internal_flags = NL80211_FLAG_NEED_WIPHY |
11970 NL80211_FLAG_NEED_RTNL,
11973 .cmd = NL80211_CMD_DEL_INTERFACE,
11974 .doit = nl80211_del_interface,
11975 .policy = nl80211_policy,
11976 .flags = GENL_UNS_ADMIN_PERM,
11977 .internal_flags = NL80211_FLAG_NEED_WDEV |
11978 NL80211_FLAG_NEED_RTNL,
11981 .cmd = NL80211_CMD_GET_KEY,
11982 .doit = nl80211_get_key,
11983 .policy = nl80211_policy,
11984 .flags = GENL_UNS_ADMIN_PERM,
11985 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
11986 NL80211_FLAG_NEED_RTNL,
11989 .cmd = NL80211_CMD_SET_KEY,
11990 .doit = nl80211_set_key,
11991 .policy = nl80211_policy,
11992 .flags = GENL_UNS_ADMIN_PERM,
11993 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
11994 NL80211_FLAG_NEED_RTNL |
11995 NL80211_FLAG_CLEAR_SKB,
11998 .cmd = NL80211_CMD_NEW_KEY,
11999 .doit = nl80211_new_key,
12000 .policy = nl80211_policy,
12001 .flags = GENL_UNS_ADMIN_PERM,
12002 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12003 NL80211_FLAG_NEED_RTNL |
12004 NL80211_FLAG_CLEAR_SKB,
12007 .cmd = NL80211_CMD_DEL_KEY,
12008 .doit = nl80211_del_key,
12009 .policy = nl80211_policy,
12010 .flags = GENL_UNS_ADMIN_PERM,
12011 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12012 NL80211_FLAG_NEED_RTNL,
12015 .cmd = NL80211_CMD_SET_BEACON,
12016 .policy = nl80211_policy,
12017 .flags = GENL_UNS_ADMIN_PERM,
12018 .doit = nl80211_set_beacon,
12019 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12020 NL80211_FLAG_NEED_RTNL,
12023 .cmd = NL80211_CMD_START_AP,
12024 .policy = nl80211_policy,
12025 .flags = GENL_UNS_ADMIN_PERM,
12026 .doit = nl80211_start_ap,
12027 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12028 NL80211_FLAG_NEED_RTNL,
12031 .cmd = NL80211_CMD_STOP_AP,
12032 .policy = nl80211_policy,
12033 .flags = GENL_UNS_ADMIN_PERM,
12034 .doit = nl80211_stop_ap,
12035 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12036 NL80211_FLAG_NEED_RTNL,
12039 .cmd = NL80211_CMD_GET_STATION,
12040 .doit = nl80211_get_station,
12041 .dumpit = nl80211_dump_station,
12042 .policy = nl80211_policy,
12043 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12044 NL80211_FLAG_NEED_RTNL,
12047 .cmd = NL80211_CMD_SET_STATION,
12048 .doit = nl80211_set_station,
12049 .policy = nl80211_policy,
12050 .flags = GENL_UNS_ADMIN_PERM,
12051 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12052 NL80211_FLAG_NEED_RTNL,
12055 .cmd = NL80211_CMD_NEW_STATION,
12056 .doit = nl80211_new_station,
12057 .policy = nl80211_policy,
12058 .flags = GENL_UNS_ADMIN_PERM,
12059 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12060 NL80211_FLAG_NEED_RTNL,
12063 .cmd = NL80211_CMD_DEL_STATION,
12064 .doit = nl80211_del_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_GET_MPATH,
12072 .doit = nl80211_get_mpath,
12073 .dumpit = nl80211_dump_mpath,
12074 .policy = nl80211_policy,
12075 .flags = GENL_UNS_ADMIN_PERM,
12076 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12077 NL80211_FLAG_NEED_RTNL,
12080 .cmd = NL80211_CMD_GET_MPP,
12081 .doit = nl80211_get_mpp,
12082 .dumpit = nl80211_dump_mpp,
12083 .policy = nl80211_policy,
12084 .flags = GENL_UNS_ADMIN_PERM,
12085 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12086 NL80211_FLAG_NEED_RTNL,
12089 .cmd = NL80211_CMD_SET_MPATH,
12090 .doit = nl80211_set_mpath,
12091 .policy = nl80211_policy,
12092 .flags = GENL_UNS_ADMIN_PERM,
12093 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12094 NL80211_FLAG_NEED_RTNL,
12097 .cmd = NL80211_CMD_NEW_MPATH,
12098 .doit = nl80211_new_mpath,
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_DEL_MPATH,
12106 .doit = nl80211_del_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_SET_BSS,
12114 .doit = nl80211_set_bss,
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_GET_REG,
12122 .doit = nl80211_get_reg_do,
12123 .dumpit = nl80211_get_reg_dump,
12124 .policy = nl80211_policy,
12125 .internal_flags = NL80211_FLAG_NEED_RTNL,
12126 /* can be retrieved by unprivileged users */
12128 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
12130 .cmd = NL80211_CMD_SET_REG,
12131 .doit = nl80211_set_reg,
12132 .policy = nl80211_policy,
12133 .flags = GENL_ADMIN_PERM,
12134 .internal_flags = NL80211_FLAG_NEED_RTNL,
12138 .cmd = NL80211_CMD_REQ_SET_REG,
12139 .doit = nl80211_req_set_reg,
12140 .policy = nl80211_policy,
12141 .flags = GENL_ADMIN_PERM,
12144 .cmd = NL80211_CMD_GET_MESH_CONFIG,
12145 .doit = nl80211_get_mesh_config,
12146 .policy = nl80211_policy,
12147 /* can be retrieved by unprivileged users */
12148 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12149 NL80211_FLAG_NEED_RTNL,
12152 .cmd = NL80211_CMD_SET_MESH_CONFIG,
12153 .doit = nl80211_update_mesh_config,
12154 .policy = nl80211_policy,
12155 .flags = GENL_UNS_ADMIN_PERM,
12156 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12157 NL80211_FLAG_NEED_RTNL,
12160 .cmd = NL80211_CMD_TRIGGER_SCAN,
12161 .doit = nl80211_trigger_scan,
12162 .policy = nl80211_policy,
12163 .flags = GENL_UNS_ADMIN_PERM,
12164 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12165 NL80211_FLAG_NEED_RTNL,
12168 .cmd = NL80211_CMD_ABORT_SCAN,
12169 .doit = nl80211_abort_scan,
12170 .policy = nl80211_policy,
12171 .flags = GENL_UNS_ADMIN_PERM,
12172 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12173 NL80211_FLAG_NEED_RTNL,
12176 .cmd = NL80211_CMD_GET_SCAN,
12177 .policy = nl80211_policy,
12178 .dumpit = nl80211_dump_scan,
12181 .cmd = NL80211_CMD_START_SCHED_SCAN,
12182 .doit = nl80211_start_sched_scan,
12183 .policy = nl80211_policy,
12184 .flags = GENL_UNS_ADMIN_PERM,
12185 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12186 NL80211_FLAG_NEED_RTNL,
12189 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
12190 .doit = nl80211_stop_sched_scan,
12191 .policy = nl80211_policy,
12192 .flags = GENL_UNS_ADMIN_PERM,
12193 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12194 NL80211_FLAG_NEED_RTNL,
12197 .cmd = NL80211_CMD_AUTHENTICATE,
12198 .doit = nl80211_authenticate,
12199 .policy = nl80211_policy,
12200 .flags = GENL_UNS_ADMIN_PERM,
12201 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12202 NL80211_FLAG_NEED_RTNL |
12203 NL80211_FLAG_CLEAR_SKB,
12206 .cmd = NL80211_CMD_ASSOCIATE,
12207 .doit = nl80211_associate,
12208 .policy = nl80211_policy,
12209 .flags = GENL_UNS_ADMIN_PERM,
12210 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12211 NL80211_FLAG_NEED_RTNL,
12214 .cmd = NL80211_CMD_DEAUTHENTICATE,
12215 .doit = nl80211_deauthenticate,
12216 .policy = nl80211_policy,
12217 .flags = GENL_UNS_ADMIN_PERM,
12218 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12219 NL80211_FLAG_NEED_RTNL,
12222 .cmd = NL80211_CMD_DISASSOCIATE,
12223 .doit = nl80211_disassociate,
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_JOIN_IBSS,
12231 .doit = nl80211_join_ibss,
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_LEAVE_IBSS,
12239 .doit = nl80211_leave_ibss,
12240 .policy = nl80211_policy,
12241 .flags = GENL_UNS_ADMIN_PERM,
12242 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12243 NL80211_FLAG_NEED_RTNL,
12245 #ifdef CONFIG_NL80211_TESTMODE
12247 .cmd = NL80211_CMD_TESTMODE,
12248 .doit = nl80211_testmode_do,
12249 .dumpit = nl80211_testmode_dump,
12250 .policy = nl80211_policy,
12251 .flags = GENL_UNS_ADMIN_PERM,
12252 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12253 NL80211_FLAG_NEED_RTNL,
12257 .cmd = NL80211_CMD_CONNECT,
12258 .doit = nl80211_connect,
12259 .policy = nl80211_policy,
12260 .flags = GENL_UNS_ADMIN_PERM,
12261 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12262 NL80211_FLAG_NEED_RTNL,
12265 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
12266 .doit = nl80211_update_connect_params,
12267 .policy = nl80211_policy,
12268 .flags = GENL_ADMIN_PERM,
12269 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12270 NL80211_FLAG_NEED_RTNL,
12273 .cmd = NL80211_CMD_DISCONNECT,
12274 .doit = nl80211_disconnect,
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_SET_WIPHY_NETNS,
12282 .doit = nl80211_wiphy_netns,
12283 .policy = nl80211_policy,
12284 .flags = GENL_UNS_ADMIN_PERM,
12285 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12286 NL80211_FLAG_NEED_RTNL,
12289 .cmd = NL80211_CMD_GET_SURVEY,
12290 .policy = nl80211_policy,
12291 .dumpit = nl80211_dump_survey,
12294 .cmd = NL80211_CMD_SET_PMKSA,
12295 .doit = nl80211_setdel_pmksa,
12296 .policy = nl80211_policy,
12297 .flags = GENL_UNS_ADMIN_PERM,
12298 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12299 NL80211_FLAG_NEED_RTNL,
12302 .cmd = NL80211_CMD_DEL_PMKSA,
12303 .doit = nl80211_setdel_pmksa,
12304 .policy = nl80211_policy,
12305 .flags = GENL_UNS_ADMIN_PERM,
12306 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12307 NL80211_FLAG_NEED_RTNL,
12310 .cmd = NL80211_CMD_FLUSH_PMKSA,
12311 .doit = nl80211_flush_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_REMAIN_ON_CHANNEL,
12319 .doit = nl80211_remain_on_channel,
12320 .policy = nl80211_policy,
12321 .flags = GENL_UNS_ADMIN_PERM,
12322 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12323 NL80211_FLAG_NEED_RTNL,
12326 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
12327 .doit = nl80211_cancel_remain_on_channel,
12328 .policy = nl80211_policy,
12329 .flags = GENL_UNS_ADMIN_PERM,
12330 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12331 NL80211_FLAG_NEED_RTNL,
12334 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
12335 .doit = nl80211_set_tx_bitrate_mask,
12336 .policy = nl80211_policy,
12337 .flags = GENL_UNS_ADMIN_PERM,
12338 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12339 NL80211_FLAG_NEED_RTNL,
12342 .cmd = NL80211_CMD_REGISTER_FRAME,
12343 .doit = nl80211_register_mgmt,
12344 .policy = nl80211_policy,
12345 .flags = GENL_UNS_ADMIN_PERM,
12346 .internal_flags = NL80211_FLAG_NEED_WDEV |
12347 NL80211_FLAG_NEED_RTNL,
12350 .cmd = NL80211_CMD_FRAME,
12351 .doit = nl80211_tx_mgmt,
12352 .policy = nl80211_policy,
12353 .flags = GENL_UNS_ADMIN_PERM,
12354 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12355 NL80211_FLAG_NEED_RTNL,
12358 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
12359 .doit = nl80211_tx_mgmt_cancel_wait,
12360 .policy = nl80211_policy,
12361 .flags = GENL_UNS_ADMIN_PERM,
12362 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12363 NL80211_FLAG_NEED_RTNL,
12366 .cmd = NL80211_CMD_SET_POWER_SAVE,
12367 .doit = nl80211_set_power_save,
12368 .policy = nl80211_policy,
12369 .flags = GENL_UNS_ADMIN_PERM,
12370 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12371 NL80211_FLAG_NEED_RTNL,
12374 .cmd = NL80211_CMD_GET_POWER_SAVE,
12375 .doit = nl80211_get_power_save,
12376 .policy = nl80211_policy,
12377 /* can be retrieved by unprivileged users */
12378 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12379 NL80211_FLAG_NEED_RTNL,
12382 .cmd = NL80211_CMD_SET_CQM,
12383 .doit = nl80211_set_cqm,
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_SET_CHANNEL,
12391 .doit = nl80211_set_channel,
12392 .policy = nl80211_policy,
12393 .flags = GENL_UNS_ADMIN_PERM,
12394 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12395 NL80211_FLAG_NEED_RTNL,
12398 .cmd = NL80211_CMD_SET_WDS_PEER,
12399 .doit = nl80211_set_wds_peer,
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_JOIN_MESH,
12407 .doit = nl80211_join_mesh,
12408 .policy = nl80211_policy,
12409 .flags = GENL_UNS_ADMIN_PERM,
12410 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12411 NL80211_FLAG_NEED_RTNL,
12414 .cmd = NL80211_CMD_LEAVE_MESH,
12415 .doit = nl80211_leave_mesh,
12416 .policy = nl80211_policy,
12417 .flags = GENL_UNS_ADMIN_PERM,
12418 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12419 NL80211_FLAG_NEED_RTNL,
12422 .cmd = NL80211_CMD_JOIN_OCB,
12423 .doit = nl80211_join_ocb,
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_OCB,
12431 .doit = nl80211_leave_ocb,
12432 .policy = nl80211_policy,
12433 .flags = GENL_UNS_ADMIN_PERM,
12434 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12435 NL80211_FLAG_NEED_RTNL,
12439 .cmd = NL80211_CMD_GET_WOWLAN,
12440 .doit = nl80211_get_wowlan,
12441 .policy = nl80211_policy,
12442 /* can be retrieved by unprivileged users */
12443 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12444 NL80211_FLAG_NEED_RTNL,
12447 .cmd = NL80211_CMD_SET_WOWLAN,
12448 .doit = nl80211_set_wowlan,
12449 .policy = nl80211_policy,
12450 .flags = GENL_UNS_ADMIN_PERM,
12451 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12452 NL80211_FLAG_NEED_RTNL,
12456 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
12457 .doit = nl80211_set_rekey_data,
12458 .policy = nl80211_policy,
12459 .flags = GENL_UNS_ADMIN_PERM,
12460 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12461 NL80211_FLAG_NEED_RTNL |
12462 NL80211_FLAG_CLEAR_SKB,
12465 .cmd = NL80211_CMD_TDLS_MGMT,
12466 .doit = nl80211_tdls_mgmt,
12467 .policy = nl80211_policy,
12468 .flags = GENL_UNS_ADMIN_PERM,
12469 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12470 NL80211_FLAG_NEED_RTNL,
12473 .cmd = NL80211_CMD_TDLS_OPER,
12474 .doit = nl80211_tdls_oper,
12475 .policy = nl80211_policy,
12476 .flags = GENL_UNS_ADMIN_PERM,
12477 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12478 NL80211_FLAG_NEED_RTNL,
12481 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
12482 .doit = nl80211_register_unexpected_frame,
12483 .policy = nl80211_policy,
12484 .flags = GENL_UNS_ADMIN_PERM,
12485 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12486 NL80211_FLAG_NEED_RTNL,
12489 .cmd = NL80211_CMD_PROBE_CLIENT,
12490 .doit = nl80211_probe_client,
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_REGISTER_BEACONS,
12498 .doit = nl80211_register_beacons,
12499 .policy = nl80211_policy,
12500 .flags = GENL_UNS_ADMIN_PERM,
12501 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12502 NL80211_FLAG_NEED_RTNL,
12505 .cmd = NL80211_CMD_SET_NOACK_MAP,
12506 .doit = nl80211_set_noack_map,
12507 .policy = nl80211_policy,
12508 .flags = GENL_UNS_ADMIN_PERM,
12509 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12510 NL80211_FLAG_NEED_RTNL,
12513 .cmd = NL80211_CMD_START_P2P_DEVICE,
12514 .doit = nl80211_start_p2p_device,
12515 .policy = nl80211_policy,
12516 .flags = GENL_UNS_ADMIN_PERM,
12517 .internal_flags = NL80211_FLAG_NEED_WDEV |
12518 NL80211_FLAG_NEED_RTNL,
12521 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
12522 .doit = nl80211_stop_p2p_device,
12523 .policy = nl80211_policy,
12524 .flags = GENL_UNS_ADMIN_PERM,
12525 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12526 NL80211_FLAG_NEED_RTNL,
12529 .cmd = NL80211_CMD_START_NAN,
12530 .doit = nl80211_start_nan,
12531 .policy = nl80211_policy,
12532 .flags = GENL_ADMIN_PERM,
12533 .internal_flags = NL80211_FLAG_NEED_WDEV |
12534 NL80211_FLAG_NEED_RTNL,
12537 .cmd = NL80211_CMD_STOP_NAN,
12538 .doit = nl80211_stop_nan,
12539 .policy = nl80211_policy,
12540 .flags = GENL_ADMIN_PERM,
12541 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12542 NL80211_FLAG_NEED_RTNL,
12545 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
12546 .doit = nl80211_nan_add_func,
12547 .policy = nl80211_policy,
12548 .flags = GENL_ADMIN_PERM,
12549 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12550 NL80211_FLAG_NEED_RTNL,
12553 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
12554 .doit = nl80211_nan_del_func,
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_CHANGE_NAN_CONFIG,
12562 .doit = nl80211_nan_change_config,
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_SET_MCAST_RATE,
12570 .doit = nl80211_set_mcast_rate,
12571 .policy = nl80211_policy,
12572 .flags = GENL_UNS_ADMIN_PERM,
12573 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12574 NL80211_FLAG_NEED_RTNL,
12577 .cmd = NL80211_CMD_SET_MAC_ACL,
12578 .doit = nl80211_set_mac_acl,
12579 .policy = nl80211_policy,
12580 .flags = GENL_UNS_ADMIN_PERM,
12581 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12582 NL80211_FLAG_NEED_RTNL,
12585 .cmd = NL80211_CMD_RADAR_DETECT,
12586 .doit = nl80211_start_radar_detection,
12587 .policy = nl80211_policy,
12588 .flags = GENL_UNS_ADMIN_PERM,
12589 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12590 NL80211_FLAG_NEED_RTNL,
12593 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
12594 .doit = nl80211_get_protocol_features,
12595 .policy = nl80211_policy,
12598 .cmd = NL80211_CMD_UPDATE_FT_IES,
12599 .doit = nl80211_update_ft_ies,
12600 .policy = nl80211_policy,
12601 .flags = GENL_UNS_ADMIN_PERM,
12602 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12603 NL80211_FLAG_NEED_RTNL,
12606 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
12607 .doit = nl80211_crit_protocol_start,
12608 .policy = nl80211_policy,
12609 .flags = GENL_UNS_ADMIN_PERM,
12610 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12611 NL80211_FLAG_NEED_RTNL,
12614 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
12615 .doit = nl80211_crit_protocol_stop,
12616 .policy = nl80211_policy,
12617 .flags = GENL_UNS_ADMIN_PERM,
12618 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12619 NL80211_FLAG_NEED_RTNL,
12622 .cmd = NL80211_CMD_GET_COALESCE,
12623 .doit = nl80211_get_coalesce,
12624 .policy = nl80211_policy,
12625 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12626 NL80211_FLAG_NEED_RTNL,
12629 .cmd = NL80211_CMD_SET_COALESCE,
12630 .doit = nl80211_set_coalesce,
12631 .policy = nl80211_policy,
12632 .flags = GENL_UNS_ADMIN_PERM,
12633 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12634 NL80211_FLAG_NEED_RTNL,
12637 .cmd = NL80211_CMD_CHANNEL_SWITCH,
12638 .doit = nl80211_channel_switch,
12639 .policy = nl80211_policy,
12640 .flags = GENL_UNS_ADMIN_PERM,
12641 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12642 NL80211_FLAG_NEED_RTNL,
12645 .cmd = NL80211_CMD_VENDOR,
12646 .doit = nl80211_vendor_cmd,
12647 .dumpit = nl80211_vendor_cmd_dump,
12648 .policy = nl80211_policy,
12649 .flags = GENL_UNS_ADMIN_PERM,
12650 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12651 NL80211_FLAG_NEED_RTNL,
12654 .cmd = NL80211_CMD_SET_QOS_MAP,
12655 .doit = nl80211_set_qos_map,
12656 .policy = nl80211_policy,
12657 .flags = GENL_UNS_ADMIN_PERM,
12658 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12659 NL80211_FLAG_NEED_RTNL,
12662 .cmd = NL80211_CMD_ADD_TX_TS,
12663 .doit = nl80211_add_tx_ts,
12664 .policy = nl80211_policy,
12665 .flags = GENL_UNS_ADMIN_PERM,
12666 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12667 NL80211_FLAG_NEED_RTNL,
12670 .cmd = NL80211_CMD_DEL_TX_TS,
12671 .doit = nl80211_del_tx_ts,
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_TDLS_CHANNEL_SWITCH,
12679 .doit = nl80211_tdls_channel_switch,
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_TDLS_CANCEL_CHANNEL_SWITCH,
12687 .doit = nl80211_tdls_cancel_channel_switch,
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_SET_MULTICAST_TO_UNICAST,
12695 .doit = nl80211_set_multicast_to_unicast,
12696 .policy = nl80211_policy,
12697 .flags = GENL_UNS_ADMIN_PERM,
12698 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12699 NL80211_FLAG_NEED_RTNL,
12703 static struct genl_family nl80211_fam __ro_after_init = {
12704 .name = NL80211_GENL_NAME, /* have users key off the name instead */
12705 .hdrsize = 0, /* no private header */
12706 .version = 1, /* no particular meaning now */
12707 .maxattr = NL80211_ATTR_MAX,
12709 .pre_doit = nl80211_pre_doit,
12710 .post_doit = nl80211_post_doit,
12711 .module = THIS_MODULE,
12712 .ops = nl80211_ops,
12713 .n_ops = ARRAY_SIZE(nl80211_ops),
12714 .mcgrps = nl80211_mcgrps,
12715 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
12718 /* notification functions */
12720 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
12721 enum nl80211_commands cmd)
12723 struct sk_buff *msg;
12724 struct nl80211_dump_wiphy_state state = {};
12726 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
12727 cmd != NL80211_CMD_DEL_WIPHY);
12729 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12733 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
12738 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12739 NL80211_MCGRP_CONFIG, GFP_KERNEL);
12742 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
12743 struct wireless_dev *wdev,
12744 enum nl80211_commands cmd)
12746 struct sk_buff *msg;
12748 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
12749 cmd != NL80211_CMD_DEL_INTERFACE);
12751 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12755 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev,
12756 cmd == NL80211_CMD_DEL_INTERFACE) < 0) {
12761 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12762 NL80211_MCGRP_CONFIG, GFP_KERNEL);
12765 static int nl80211_add_scan_req(struct sk_buff *msg,
12766 struct cfg80211_registered_device *rdev)
12768 struct cfg80211_scan_request *req = rdev->scan_req;
12769 struct nlattr *nest;
12775 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
12777 goto nla_put_failure;
12778 for (i = 0; i < req->n_ssids; i++) {
12779 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
12780 goto nla_put_failure;
12782 nla_nest_end(msg, nest);
12784 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
12786 goto nla_put_failure;
12787 for (i = 0; i < req->n_channels; i++) {
12788 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
12789 goto nla_put_failure;
12791 nla_nest_end(msg, nest);
12794 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
12795 goto nla_put_failure;
12798 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
12799 goto nla_put_failure;
12801 if (req->info.scan_start_tsf &&
12802 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
12803 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
12804 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
12805 req->info.tsf_bssid)))
12806 goto nla_put_failure;
12813 static int nl80211_send_scan_msg(struct sk_buff *msg,
12814 struct cfg80211_registered_device *rdev,
12815 struct wireless_dev *wdev,
12816 u32 portid, u32 seq, int flags,
12821 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
12825 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12826 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12827 wdev->netdev->ifindex)) ||
12828 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12830 goto nla_put_failure;
12832 /* ignore errors and send incomplete event anyway */
12833 nl80211_add_scan_req(msg, rdev);
12835 genlmsg_end(msg, hdr);
12839 genlmsg_cancel(msg, hdr);
12844 nl80211_send_sched_scan_msg(struct sk_buff *msg,
12845 struct cfg80211_registered_device *rdev,
12846 struct net_device *netdev,
12847 u32 portid, u32 seq, int flags, u32 cmd)
12851 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
12855 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12856 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
12857 goto nla_put_failure;
12859 genlmsg_end(msg, hdr);
12863 genlmsg_cancel(msg, hdr);
12867 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
12868 struct wireless_dev *wdev)
12870 struct sk_buff *msg;
12872 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12876 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
12877 NL80211_CMD_TRIGGER_SCAN) < 0) {
12882 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12883 NL80211_MCGRP_SCAN, GFP_KERNEL);
12886 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
12887 struct wireless_dev *wdev, bool aborted)
12889 struct sk_buff *msg;
12891 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12895 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
12896 aborted ? NL80211_CMD_SCAN_ABORTED :
12897 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
12905 void nl80211_send_scan_result(struct cfg80211_registered_device *rdev,
12906 struct sk_buff *msg)
12911 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12912 NL80211_MCGRP_SCAN, GFP_KERNEL);
12915 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
12916 struct net_device *netdev)
12918 struct sk_buff *msg;
12920 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12924 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
12925 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
12930 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12931 NL80211_MCGRP_SCAN, GFP_KERNEL);
12934 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
12935 struct net_device *netdev, u32 cmd)
12937 struct sk_buff *msg;
12939 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12943 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
12948 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12949 NL80211_MCGRP_SCAN, GFP_KERNEL);
12952 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
12953 struct regulatory_request *request)
12955 /* Userspace can always count this one always being set */
12956 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
12957 goto nla_put_failure;
12959 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
12960 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
12961 NL80211_REGDOM_TYPE_WORLD))
12962 goto nla_put_failure;
12963 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
12964 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
12965 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
12966 goto nla_put_failure;
12967 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
12968 request->intersect) {
12969 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
12970 NL80211_REGDOM_TYPE_INTERSECTION))
12971 goto nla_put_failure;
12973 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
12974 NL80211_REGDOM_TYPE_COUNTRY) ||
12975 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
12977 goto nla_put_failure;
12980 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
12981 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
12984 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
12985 goto nla_put_failure;
12988 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
12989 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
12990 goto nla_put_failure;
13000 * This can happen on global regulatory changes or device specific settings
13001 * based on custom regulatory domains.
13003 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
13004 struct regulatory_request *request)
13006 struct sk_buff *msg;
13009 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13013 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
13019 if (nl80211_reg_change_event_fill(msg, request) == false)
13020 goto nla_put_failure;
13022 genlmsg_end(msg, hdr);
13025 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
13026 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
13032 genlmsg_cancel(msg, hdr);
13036 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
13037 struct net_device *netdev,
13038 const u8 *buf, size_t len,
13039 enum nl80211_commands cmd, gfp_t gfp,
13042 struct sk_buff *msg;
13045 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13049 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
13055 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13056 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13057 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
13058 goto nla_put_failure;
13060 if (uapsd_queues >= 0) {
13061 struct nlattr *nla_wmm =
13062 nla_nest_start(msg, NL80211_ATTR_STA_WME);
13064 goto nla_put_failure;
13066 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
13068 goto nla_put_failure;
13070 nla_nest_end(msg, nla_wmm);
13073 genlmsg_end(msg, hdr);
13075 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13076 NL80211_MCGRP_MLME, gfp);
13080 genlmsg_cancel(msg, hdr);
13084 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
13085 struct net_device *netdev, const u8 *buf,
13086 size_t len, gfp_t gfp)
13088 nl80211_send_mlme_event(rdev, netdev, buf, len,
13089 NL80211_CMD_AUTHENTICATE, gfp, -1);
13092 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
13093 struct net_device *netdev, const u8 *buf,
13094 size_t len, gfp_t gfp, int uapsd_queues)
13096 nl80211_send_mlme_event(rdev, netdev, buf, len,
13097 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues);
13100 void nl80211_send_deauth(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_DEAUTHENTICATE, gfp, -1);
13108 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
13109 struct net_device *netdev, const u8 *buf,
13110 size_t len, gfp_t gfp)
13112 nl80211_send_mlme_event(rdev, netdev, buf, len,
13113 NL80211_CMD_DISASSOCIATE, gfp, -1);
13116 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
13119 struct wireless_dev *wdev = dev->ieee80211_ptr;
13120 struct wiphy *wiphy = wdev->wiphy;
13121 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13122 const struct ieee80211_mgmt *mgmt = (void *)buf;
13125 if (WARN_ON(len < 2))
13128 if (ieee80211_is_deauth(mgmt->frame_control))
13129 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
13131 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
13133 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
13134 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1);
13136 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
13138 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
13139 struct net_device *netdev, int cmd,
13140 const u8 *addr, gfp_t gfp)
13142 struct sk_buff *msg;
13145 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13149 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
13155 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13156 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13157 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
13158 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
13159 goto nla_put_failure;
13161 genlmsg_end(msg, hdr);
13163 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13164 NL80211_MCGRP_MLME, gfp);
13168 genlmsg_cancel(msg, hdr);
13172 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
13173 struct net_device *netdev, const u8 *addr,
13176 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
13180 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
13181 struct net_device *netdev, const u8 *addr,
13184 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
13188 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
13189 struct net_device *netdev, const u8 *bssid,
13190 const u8 *req_ie, size_t req_ie_len,
13191 const u8 *resp_ie, size_t resp_ie_len,
13192 int status, gfp_t gfp)
13194 struct sk_buff *msg;
13197 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13201 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
13207 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13208 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13209 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) ||
13210 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
13211 status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
13213 (status < 0 && nla_put_flag(msg, NL80211_ATTR_TIMED_OUT)) ||
13215 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
13217 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
13218 goto nla_put_failure;
13220 genlmsg_end(msg, hdr);
13222 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13223 NL80211_MCGRP_MLME, gfp);
13227 genlmsg_cancel(msg, hdr);
13231 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
13232 struct net_device *netdev, const u8 *bssid,
13233 const u8 *req_ie, size_t req_ie_len,
13234 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
13236 struct sk_buff *msg;
13239 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13243 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
13249 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13250 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13251 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
13253 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
13255 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
13256 goto nla_put_failure;
13258 genlmsg_end(msg, hdr);
13260 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13261 NL80211_MCGRP_MLME, gfp);
13265 genlmsg_cancel(msg, hdr);
13269 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
13270 struct net_device *netdev, u16 reason,
13271 const u8 *ie, size_t ie_len, bool from_ap)
13273 struct sk_buff *msg;
13276 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13280 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
13286 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13287 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13288 (from_ap && reason &&
13289 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
13291 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
13292 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
13293 goto nla_put_failure;
13295 genlmsg_end(msg, hdr);
13297 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13298 NL80211_MCGRP_MLME, GFP_KERNEL);
13302 genlmsg_cancel(msg, hdr);
13306 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
13307 struct net_device *netdev, const u8 *bssid,
13310 struct sk_buff *msg;
13313 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13317 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
13323 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13324 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13325 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
13326 goto nla_put_failure;
13328 genlmsg_end(msg, hdr);
13330 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13331 NL80211_MCGRP_MLME, gfp);
13335 genlmsg_cancel(msg, hdr);
13339 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
13340 const u8* ie, u8 ie_len, gfp_t gfp)
13342 struct wireless_dev *wdev = dev->ieee80211_ptr;
13343 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
13344 struct sk_buff *msg;
13347 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
13350 trace_cfg80211_notify_new_peer_candidate(dev, addr);
13352 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13356 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
13362 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13363 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
13364 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
13366 nla_put(msg, NL80211_ATTR_IE, ie_len , ie)))
13367 goto nla_put_failure;
13369 genlmsg_end(msg, hdr);
13371 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13372 NL80211_MCGRP_MLME, gfp);
13376 genlmsg_cancel(msg, hdr);
13379 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
13381 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
13382 struct net_device *netdev, const u8 *addr,
13383 enum nl80211_key_type key_type, int key_id,
13384 const u8 *tsc, gfp_t gfp)
13386 struct sk_buff *msg;
13389 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13393 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
13399 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13400 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13401 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
13402 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
13404 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
13405 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
13406 goto nla_put_failure;
13408 genlmsg_end(msg, hdr);
13410 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13411 NL80211_MCGRP_MLME, gfp);
13415 genlmsg_cancel(msg, hdr);
13419 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
13420 struct ieee80211_channel *channel_before,
13421 struct ieee80211_channel *channel_after)
13423 struct sk_buff *msg;
13425 struct nlattr *nl_freq;
13427 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
13431 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
13438 * Since we are applying the beacon hint to a wiphy we know its
13439 * wiphy_idx is valid
13441 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
13442 goto nla_put_failure;
13445 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
13447 goto nla_put_failure;
13448 if (nl80211_msg_put_channel(msg, channel_before, false))
13449 goto nla_put_failure;
13450 nla_nest_end(msg, nl_freq);
13453 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
13455 goto nla_put_failure;
13456 if (nl80211_msg_put_channel(msg, channel_after, false))
13457 goto nla_put_failure;
13458 nla_nest_end(msg, nl_freq);
13460 genlmsg_end(msg, hdr);
13463 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
13464 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
13470 genlmsg_cancel(msg, hdr);
13474 static void nl80211_send_remain_on_chan_event(
13475 int cmd, struct cfg80211_registered_device *rdev,
13476 struct wireless_dev *wdev, u64 cookie,
13477 struct ieee80211_channel *chan,
13478 unsigned int duration, gfp_t gfp)
13480 struct sk_buff *msg;
13483 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13487 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
13493 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13494 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13495 wdev->netdev->ifindex)) ||
13496 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13497 NL80211_ATTR_PAD) ||
13498 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
13499 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
13500 NL80211_CHAN_NO_HT) ||
13501 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13503 goto nla_put_failure;
13505 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
13506 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
13507 goto nla_put_failure;
13509 genlmsg_end(msg, hdr);
13511 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13512 NL80211_MCGRP_MLME, gfp);
13516 genlmsg_cancel(msg, hdr);
13520 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
13521 struct ieee80211_channel *chan,
13522 unsigned int duration, gfp_t gfp)
13524 struct wiphy *wiphy = wdev->wiphy;
13525 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13527 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
13528 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
13529 rdev, wdev, cookie, chan,
13532 EXPORT_SYMBOL(cfg80211_ready_on_channel);
13534 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
13535 struct ieee80211_channel *chan,
13538 struct wiphy *wiphy = wdev->wiphy;
13539 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13541 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
13542 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
13543 rdev, wdev, cookie, chan, 0, gfp);
13545 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
13547 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
13548 struct station_info *sinfo, gfp_t gfp)
13550 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
13551 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13552 struct sk_buff *msg;
13554 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
13556 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13560 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
13561 rdev, dev, mac_addr, sinfo) < 0) {
13566 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13567 NL80211_MCGRP_MLME, gfp);
13569 EXPORT_SYMBOL(cfg80211_new_sta);
13571 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
13572 struct station_info *sinfo, gfp_t gfp)
13574 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
13575 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13576 struct sk_buff *msg;
13577 struct station_info empty_sinfo = {};
13580 sinfo = &empty_sinfo;
13582 trace_cfg80211_del_sta(dev, mac_addr);
13584 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13588 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
13589 rdev, dev, mac_addr, sinfo) < 0) {
13594 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13595 NL80211_MCGRP_MLME, gfp);
13597 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
13599 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
13600 enum nl80211_connect_failed_reason reason,
13603 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
13604 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13605 struct sk_buff *msg;
13608 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
13612 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
13618 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
13619 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
13620 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
13621 goto nla_put_failure;
13623 genlmsg_end(msg, hdr);
13625 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13626 NL80211_MCGRP_MLME, gfp);
13630 genlmsg_cancel(msg, hdr);
13633 EXPORT_SYMBOL(cfg80211_conn_failed);
13635 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
13636 const u8 *addr, gfp_t gfp)
13638 struct wireless_dev *wdev = dev->ieee80211_ptr;
13639 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
13640 struct sk_buff *msg;
13642 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
13647 msg = nlmsg_new(100, gfp);
13651 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
13657 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13658 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
13659 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
13660 goto nla_put_failure;
13662 genlmsg_end(msg, hdr);
13663 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
13667 genlmsg_cancel(msg, hdr);
13672 bool cfg80211_rx_spurious_frame(struct net_device *dev,
13673 const u8 *addr, gfp_t gfp)
13675 struct wireless_dev *wdev = dev->ieee80211_ptr;
13678 trace_cfg80211_rx_spurious_frame(dev, addr);
13680 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
13681 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
13682 trace_cfg80211_return_bool(false);
13685 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
13687 trace_cfg80211_return_bool(ret);
13690 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
13692 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
13693 const u8 *addr, gfp_t gfp)
13695 struct wireless_dev *wdev = dev->ieee80211_ptr;
13698 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
13700 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
13701 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
13702 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
13703 trace_cfg80211_return_bool(false);
13706 ret = __nl80211_unexpected_frame(dev,
13707 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
13709 trace_cfg80211_return_bool(ret);
13712 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
13714 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
13715 struct wireless_dev *wdev, u32 nlportid,
13716 int freq, int sig_dbm,
13717 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
13719 struct net_device *netdev = wdev->netdev;
13720 struct sk_buff *msg;
13723 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13727 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
13733 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13734 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13735 netdev->ifindex)) ||
13736 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13737 NL80211_ATTR_PAD) ||
13738 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
13740 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
13741 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
13743 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
13744 goto nla_put_failure;
13746 genlmsg_end(msg, hdr);
13748 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
13751 genlmsg_cancel(msg, hdr);
13756 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
13757 const u8 *buf, size_t len, bool ack, gfp_t gfp)
13759 struct wiphy *wiphy = wdev->wiphy;
13760 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13761 struct net_device *netdev = wdev->netdev;
13762 struct sk_buff *msg;
13765 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
13767 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13771 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
13777 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13778 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13779 netdev->ifindex)) ||
13780 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13781 NL80211_ATTR_PAD) ||
13782 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
13783 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13784 NL80211_ATTR_PAD) ||
13785 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
13786 goto nla_put_failure;
13788 genlmsg_end(msg, hdr);
13790 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13791 NL80211_MCGRP_MLME, gfp);
13795 genlmsg_cancel(msg, hdr);
13798 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
13800 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
13801 const char *mac, gfp_t gfp)
13803 struct wireless_dev *wdev = dev->ieee80211_ptr;
13804 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
13805 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13811 cb = (void **)msg->cb;
13813 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
13819 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13820 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13821 goto nla_put_failure;
13823 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
13824 goto nla_put_failure;
13826 cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM);
13828 goto nla_put_failure;
13838 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
13840 void **cb = (void **)msg->cb;
13841 struct cfg80211_registered_device *rdev = cb[2];
13843 nla_nest_end(msg, cb[1]);
13844 genlmsg_end(msg, cb[0]);
13846 memset(msg->cb, 0, sizeof(msg->cb));
13848 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13849 NL80211_MCGRP_MLME, gfp);
13852 void cfg80211_cqm_rssi_notify(struct net_device *dev,
13853 enum nl80211_cqm_rssi_threshold_event rssi_event,
13856 struct sk_buff *msg;
13858 trace_cfg80211_cqm_rssi_notify(dev, rssi_event);
13860 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
13861 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
13864 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
13868 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
13870 goto nla_put_failure;
13872 cfg80211_send_cqm(msg, gfp);
13879 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
13881 void cfg80211_cqm_txe_notify(struct net_device *dev,
13882 const u8 *peer, u32 num_packets,
13883 u32 rate, u32 intvl, gfp_t gfp)
13885 struct sk_buff *msg;
13887 msg = cfg80211_prepare_cqm(dev, peer, gfp);
13891 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
13892 goto nla_put_failure;
13894 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
13895 goto nla_put_failure;
13897 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
13898 goto nla_put_failure;
13900 cfg80211_send_cqm(msg, gfp);
13906 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
13908 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
13909 const u8 *peer, u32 num_packets, gfp_t gfp)
13911 struct sk_buff *msg;
13913 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
13915 msg = cfg80211_prepare_cqm(dev, peer, gfp);
13919 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
13920 goto nla_put_failure;
13922 cfg80211_send_cqm(msg, gfp);
13928 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
13930 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
13932 struct sk_buff *msg;
13934 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
13938 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
13939 goto nla_put_failure;
13941 cfg80211_send_cqm(msg, gfp);
13947 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
13949 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
13950 struct net_device *netdev, const u8 *bssid,
13951 const u8 *replay_ctr, gfp_t gfp)
13953 struct sk_buff *msg;
13954 struct nlattr *rekey_attr;
13957 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13961 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
13967 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13968 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13969 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
13970 goto nla_put_failure;
13972 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
13974 goto nla_put_failure;
13976 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
13977 NL80211_REPLAY_CTR_LEN, replay_ctr))
13978 goto nla_put_failure;
13980 nla_nest_end(msg, rekey_attr);
13982 genlmsg_end(msg, hdr);
13984 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13985 NL80211_MCGRP_MLME, gfp);
13989 genlmsg_cancel(msg, hdr);
13993 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
13994 const u8 *replay_ctr, gfp_t gfp)
13996 struct wireless_dev *wdev = dev->ieee80211_ptr;
13997 struct wiphy *wiphy = wdev->wiphy;
13998 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14000 trace_cfg80211_gtk_rekey_notify(dev, bssid);
14001 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
14003 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
14006 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
14007 struct net_device *netdev, int index,
14008 const u8 *bssid, bool preauth, gfp_t gfp)
14010 struct sk_buff *msg;
14011 struct nlattr *attr;
14014 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14018 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
14024 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14025 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
14026 goto nla_put_failure;
14028 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
14030 goto nla_put_failure;
14032 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
14033 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
14035 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
14036 goto nla_put_failure;
14038 nla_nest_end(msg, attr);
14040 genlmsg_end(msg, hdr);
14042 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14043 NL80211_MCGRP_MLME, gfp);
14047 genlmsg_cancel(msg, hdr);
14051 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
14052 const u8 *bssid, bool preauth, gfp_t gfp)
14054 struct wireless_dev *wdev = dev->ieee80211_ptr;
14055 struct wiphy *wiphy = wdev->wiphy;
14056 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14058 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
14059 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
14061 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
14063 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
14064 struct net_device *netdev,
14065 struct cfg80211_chan_def *chandef,
14067 enum nl80211_commands notif,
14070 struct sk_buff *msg;
14073 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14077 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
14083 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
14084 goto nla_put_failure;
14086 if (nl80211_send_chandef(msg, chandef))
14087 goto nla_put_failure;
14089 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
14090 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
14091 goto nla_put_failure;
14093 genlmsg_end(msg, hdr);
14095 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14096 NL80211_MCGRP_MLME, gfp);
14100 genlmsg_cancel(msg, hdr);
14104 void cfg80211_ch_switch_notify(struct net_device *dev,
14105 struct cfg80211_chan_def *chandef)
14107 struct wireless_dev *wdev = dev->ieee80211_ptr;
14108 struct wiphy *wiphy = wdev->wiphy;
14109 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14111 ASSERT_WDEV_LOCK(wdev);
14113 trace_cfg80211_ch_switch_notify(dev, chandef);
14115 wdev->chandef = *chandef;
14116 wdev->preset_chandef = *chandef;
14117 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
14118 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
14120 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
14122 void cfg80211_ch_switch_started_notify(struct net_device *dev,
14123 struct cfg80211_chan_def *chandef,
14126 struct wireless_dev *wdev = dev->ieee80211_ptr;
14127 struct wiphy *wiphy = wdev->wiphy;
14128 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14130 trace_cfg80211_ch_switch_started_notify(dev, chandef);
14132 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
14133 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
14135 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
14138 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
14139 const struct cfg80211_chan_def *chandef,
14140 enum nl80211_radar_event event,
14141 struct net_device *netdev, gfp_t gfp)
14143 struct sk_buff *msg;
14146 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14150 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
14156 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
14157 goto nla_put_failure;
14159 /* NOP and radar events don't need a netdev parameter */
14161 struct wireless_dev *wdev = netdev->ieee80211_ptr;
14163 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14164 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14166 goto nla_put_failure;
14169 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
14170 goto nla_put_failure;
14172 if (nl80211_send_chandef(msg, chandef))
14173 goto nla_put_failure;
14175 genlmsg_end(msg, hdr);
14177 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14178 NL80211_MCGRP_MLME, gfp);
14182 genlmsg_cancel(msg, hdr);
14186 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
14187 u64 cookie, bool acked, gfp_t gfp)
14189 struct wireless_dev *wdev = dev->ieee80211_ptr;
14190 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
14191 struct sk_buff *msg;
14194 trace_cfg80211_probe_status(dev, addr, cookie, acked);
14196 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14201 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
14207 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14208 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
14209 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
14210 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14211 NL80211_ATTR_PAD) ||
14212 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
14213 goto nla_put_failure;
14215 genlmsg_end(msg, hdr);
14217 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14218 NL80211_MCGRP_MLME, gfp);
14222 genlmsg_cancel(msg, hdr);
14225 EXPORT_SYMBOL(cfg80211_probe_status);
14227 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
14228 const u8 *frame, size_t len,
14229 int freq, int sig_dbm)
14231 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14232 struct sk_buff *msg;
14234 struct cfg80211_beacon_registration *reg;
14236 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
14238 spin_lock_bh(&rdev->beacon_registrations_lock);
14239 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
14240 msg = nlmsg_new(len + 100, GFP_ATOMIC);
14242 spin_unlock_bh(&rdev->beacon_registrations_lock);
14246 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
14248 goto nla_put_failure;
14250 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14252 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
14254 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
14255 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
14256 goto nla_put_failure;
14258 genlmsg_end(msg, hdr);
14260 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
14262 spin_unlock_bh(&rdev->beacon_registrations_lock);
14266 spin_unlock_bh(&rdev->beacon_registrations_lock);
14268 genlmsg_cancel(msg, hdr);
14271 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
14274 static int cfg80211_net_detect_results(struct sk_buff *msg,
14275 struct cfg80211_wowlan_wakeup *wakeup)
14277 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
14278 struct nlattr *nl_results, *nl_match, *nl_freqs;
14281 nl_results = nla_nest_start(
14282 msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
14286 for (i = 0; i < nd->n_matches; i++) {
14287 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
14289 nl_match = nla_nest_start(msg, i);
14293 /* The SSID attribute is optional in nl80211, but for
14294 * simplicity reasons it's always present in the
14295 * cfg80211 structure. If a driver can't pass the
14296 * SSID, that needs to be changed. A zero length SSID
14297 * is still a valid SSID (wildcard), so it cannot be
14298 * used for this purpose.
14300 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
14301 match->ssid.ssid)) {
14302 nla_nest_cancel(msg, nl_match);
14306 if (match->n_channels) {
14307 nl_freqs = nla_nest_start(
14308 msg, NL80211_ATTR_SCAN_FREQUENCIES);
14310 nla_nest_cancel(msg, nl_match);
14314 for (j = 0; j < match->n_channels; j++) {
14315 if (nla_put_u32(msg, j, match->channels[j])) {
14316 nla_nest_cancel(msg, nl_freqs);
14317 nla_nest_cancel(msg, nl_match);
14322 nla_nest_end(msg, nl_freqs);
14325 nla_nest_end(msg, nl_match);
14329 nla_nest_end(msg, nl_results);
14333 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
14334 struct cfg80211_wowlan_wakeup *wakeup,
14337 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
14338 struct sk_buff *msg;
14342 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
14345 size += wakeup->packet_present_len;
14347 msg = nlmsg_new(size, gfp);
14351 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
14355 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14356 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14360 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14361 wdev->netdev->ifindex))
14365 struct nlattr *reasons;
14367 reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
14371 if (wakeup->disconnect &&
14372 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
14374 if (wakeup->magic_pkt &&
14375 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
14377 if (wakeup->gtk_rekey_failure &&
14378 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
14380 if (wakeup->eap_identity_req &&
14381 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
14383 if (wakeup->four_way_handshake &&
14384 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
14386 if (wakeup->rfkill_release &&
14387 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
14390 if (wakeup->pattern_idx >= 0 &&
14391 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
14392 wakeup->pattern_idx))
14395 if (wakeup->tcp_match &&
14396 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
14399 if (wakeup->tcp_connlost &&
14400 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
14403 if (wakeup->tcp_nomoretokens &&
14405 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
14408 if (wakeup->packet) {
14409 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
14410 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
14412 if (!wakeup->packet_80211) {
14414 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
14416 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
14419 if (wakeup->packet_len &&
14420 nla_put_u32(msg, len_attr, wakeup->packet_len))
14423 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
14428 if (wakeup->net_detect &&
14429 cfg80211_net_detect_results(msg, wakeup))
14432 nla_nest_end(msg, reasons);
14435 genlmsg_end(msg, hdr);
14437 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14438 NL80211_MCGRP_MLME, gfp);
14444 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
14447 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
14448 enum nl80211_tdls_operation oper,
14449 u16 reason_code, gfp_t gfp)
14451 struct wireless_dev *wdev = dev->ieee80211_ptr;
14452 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
14453 struct sk_buff *msg;
14456 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
14459 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14463 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
14469 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14470 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
14471 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
14472 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
14473 (reason_code > 0 &&
14474 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
14475 goto nla_put_failure;
14477 genlmsg_end(msg, hdr);
14479 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14480 NL80211_MCGRP_MLME, gfp);
14484 genlmsg_cancel(msg, hdr);
14487 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
14489 static int nl80211_netlink_notify(struct notifier_block * nb,
14490 unsigned long state,
14493 struct netlink_notify *notify = _notify;
14494 struct cfg80211_registered_device *rdev;
14495 struct wireless_dev *wdev;
14496 struct cfg80211_beacon_registration *reg, *tmp;
14498 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
14499 return NOTIFY_DONE;
14503 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
14504 bool schedule_destroy_work = false;
14505 struct cfg80211_sched_scan_request *sched_scan_req =
14506 rcu_dereference(rdev->sched_scan_req);
14508 if (sched_scan_req && notify->portid &&
14509 sched_scan_req->owner_nlportid == notify->portid) {
14510 sched_scan_req->owner_nlportid = 0;
14512 if (rdev->ops->sched_scan_stop &&
14513 rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
14514 schedule_work(&rdev->sched_scan_stop_wk);
14517 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
14518 cfg80211_mlme_unregister_socket(wdev, notify->portid);
14520 if (wdev->owner_nlportid == notify->portid)
14521 schedule_destroy_work = true;
14524 spin_lock_bh(&rdev->beacon_registrations_lock);
14525 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
14527 if (reg->nlportid == notify->portid) {
14528 list_del(®->list);
14533 spin_unlock_bh(&rdev->beacon_registrations_lock);
14535 if (schedule_destroy_work) {
14536 struct cfg80211_iface_destroy *destroy;
14538 destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC);
14540 destroy->nlportid = notify->portid;
14541 spin_lock(&rdev->destroy_list_lock);
14542 list_add(&destroy->list, &rdev->destroy_list);
14543 spin_unlock(&rdev->destroy_list_lock);
14544 schedule_work(&rdev->destroy_work);
14552 * It is possible that the user space process that is controlling the
14553 * indoor setting disappeared, so notify the regulatory core.
14555 regulatory_netlink_notify(notify->portid);
14559 static struct notifier_block nl80211_netlink_notifier = {
14560 .notifier_call = nl80211_netlink_notify,
14563 void cfg80211_ft_event(struct net_device *netdev,
14564 struct cfg80211_ft_event_params *ft_event)
14566 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
14567 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14568 struct sk_buff *msg;
14571 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
14573 if (!ft_event->target_ap)
14576 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14580 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
14584 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14585 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14586 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
14589 if (ft_event->ies &&
14590 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
14592 if (ft_event->ric_ies &&
14593 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
14594 ft_event->ric_ies))
14597 genlmsg_end(msg, hdr);
14599 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14600 NL80211_MCGRP_MLME, GFP_KERNEL);
14605 EXPORT_SYMBOL(cfg80211_ft_event);
14607 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
14609 struct cfg80211_registered_device *rdev;
14610 struct sk_buff *msg;
14614 rdev = wiphy_to_rdev(wdev->wiphy);
14615 if (!rdev->crit_proto_nlportid)
14618 nlportid = rdev->crit_proto_nlportid;
14619 rdev->crit_proto_nlportid = 0;
14621 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14625 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
14627 goto nla_put_failure;
14629 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14630 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14632 goto nla_put_failure;
14634 genlmsg_end(msg, hdr);
14636 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
14641 genlmsg_cancel(msg, hdr);
14644 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
14646 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
14648 struct wiphy *wiphy = wdev->wiphy;
14649 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14650 struct sk_buff *msg;
14653 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14657 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
14661 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14662 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
14663 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14667 genlmsg_end(msg, hdr);
14669 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
14670 NL80211_MCGRP_MLME, GFP_KERNEL);
14676 /* initialisation/exit functions */
14678 int __init nl80211_init(void)
14682 err = genl_register_family(&nl80211_fam);
14686 err = netlink_register_notifier(&nl80211_netlink_notifier);
14692 genl_unregister_family(&nl80211_fam);
14696 void nl80211_exit(void)
14698 netlink_unregister_notifier(&nl80211_netlink_notifier);
14699 genl_unregister_family(&nl80211_fam);