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 2015-2017 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_BANDS] = { .type = NLA_U32 },
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 },
408 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
409 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
410 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
412 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
413 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
414 .len = FILS_ERP_MAX_USERNAME_LEN },
415 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
416 .len = FILS_ERP_MAX_REALM_LEN },
417 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
418 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
419 .len = FILS_ERP_MAX_RRK_LEN },
420 [NL80211_ATTR_FILS_CACHE_ID] = { .len = 2 },
421 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
422 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
425 /* policy for the key attributes */
426 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
427 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
428 [NL80211_KEY_IDX] = { .type = NLA_U8 },
429 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
430 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
431 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
432 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
433 [NL80211_KEY_TYPE] = { .type = NLA_U32 },
434 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
437 /* policy for the key default flags */
438 static const struct nla_policy
439 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
440 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
441 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
445 /* policy for WoWLAN attributes */
446 static const struct nla_policy
447 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
448 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
449 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
450 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
451 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
452 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
453 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
454 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
455 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
456 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
457 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
460 static const struct nla_policy
461 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
462 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
463 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
464 [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN },
465 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
466 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
467 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 },
468 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
469 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
471 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
472 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
474 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
475 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 },
476 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
478 #endif /* CONFIG_PM */
480 /* policy for coalesce rule attributes */
481 static const struct nla_policy
482 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
483 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
484 [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 },
485 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
488 /* policy for GTK rekey offload attributes */
489 static const struct nla_policy
490 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
491 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
492 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
493 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
496 static const struct nla_policy
497 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
498 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
499 .len = IEEE80211_MAX_SSID_LEN },
500 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = { .len = ETH_ALEN },
501 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
504 static const struct nla_policy
505 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
506 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
507 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
510 static const struct nla_policy
511 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
512 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
513 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
514 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
515 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
519 /* policy for NAN function attributes */
520 static const struct nla_policy
521 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
522 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
523 [NL80211_NAN_FUNC_SERVICE_ID] = { .type = NLA_BINARY,
524 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
525 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
526 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
527 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
528 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
529 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
530 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { .len = ETH_ALEN },
531 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
532 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
533 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
534 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
535 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
536 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
537 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
538 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
539 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
542 /* policy for Service Response Filter attributes */
543 static const struct nla_policy
544 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
545 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
546 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
547 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
548 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
549 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
552 static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
553 struct netlink_callback *cb,
554 struct cfg80211_registered_device **rdev,
555 struct wireless_dev **wdev)
560 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
561 genl_family_attrbuf(&nl80211_fam),
562 nl80211_fam.maxattr, nl80211_policy, NULL);
566 *wdev = __cfg80211_wdev_from_attrs(
568 genl_family_attrbuf(&nl80211_fam));
570 return PTR_ERR(*wdev);
571 *rdev = wiphy_to_rdev((*wdev)->wiphy);
572 /* 0 is the first index - add 1 to parse only once */
573 cb->args[0] = (*rdev)->wiphy_idx + 1;
574 cb->args[1] = (*wdev)->identifier;
576 /* subtract the 1 again here */
577 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
578 struct wireless_dev *tmp;
582 *rdev = wiphy_to_rdev(wiphy);
585 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
586 if (tmp->identifier == cb->args[1]) {
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,
733 nl80211_key_policy, NULL);
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, NULL);
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(kdt,
822 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
823 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
824 nl80211_key_default_policy,
829 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
830 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
836 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
840 memset(k, 0, sizeof(*k));
844 if (info->attrs[NL80211_ATTR_KEY])
845 err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
847 err = nl80211_parse_key_old(info, k);
852 if (k->def && k->defmgmt)
856 if (k->def_uni || !k->def_multi)
862 if (k->idx < 4 || k->idx > 5)
865 if (k->idx < 0 || k->idx > 3)
868 if (k->idx < 0 || k->idx > 5)
876 static struct cfg80211_cached_keys *
877 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
878 struct nlattr *keys, bool *no_ht)
880 struct key_parse parse;
882 struct cfg80211_cached_keys *result;
883 int rem, err, def = 0;
884 bool have_key = false;
886 nla_for_each_nested(key, keys, rem) {
894 result = kzalloc(sizeof(*result), GFP_KERNEL);
896 return ERR_PTR(-ENOMEM);
900 nla_for_each_nested(key, keys, rem) {
901 memset(&parse, 0, sizeof(parse));
904 err = nl80211_parse_key_new(key, &parse);
910 if (parse.idx < 0 || parse.idx > 3)
916 result->def = parse.idx;
917 if (!parse.def_uni || !parse.def_multi)
919 } else if (parse.defmgmt)
921 err = cfg80211_validate_key_settings(rdev, &parse.p,
922 parse.idx, false, NULL);
925 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
926 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
930 result->params[parse.idx].cipher = parse.p.cipher;
931 result->params[parse.idx].key_len = parse.p.key_len;
932 result->params[parse.idx].key = result->data[parse.idx];
933 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
935 /* must be WEP key if we got here */
940 if (result->def < 0) {
951 static int nl80211_key_allowed(struct wireless_dev *wdev)
953 ASSERT_WDEV_LOCK(wdev);
955 switch (wdev->iftype) {
956 case NL80211_IFTYPE_AP:
957 case NL80211_IFTYPE_AP_VLAN:
958 case NL80211_IFTYPE_P2P_GO:
959 case NL80211_IFTYPE_MESH_POINT:
961 case NL80211_IFTYPE_ADHOC:
962 case NL80211_IFTYPE_STATION:
963 case NL80211_IFTYPE_P2P_CLIENT:
964 if (!wdev->current_bss)
967 case NL80211_IFTYPE_UNSPECIFIED:
968 case NL80211_IFTYPE_OCB:
969 case NL80211_IFTYPE_MONITOR:
970 case NL80211_IFTYPE_NAN:
971 case NL80211_IFTYPE_P2P_DEVICE:
972 case NL80211_IFTYPE_WDS:
973 case NUM_NL80211_IFTYPES:
980 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
983 struct ieee80211_channel *chan;
987 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
988 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
993 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
995 struct nlattr *nl_modes = nla_nest_start(msg, attr);
999 goto nla_put_failure;
1003 if ((ifmodes & 1) && nla_put_flag(msg, i))
1004 goto nla_put_failure;
1009 nla_nest_end(msg, nl_modes);
1016 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1017 struct sk_buff *msg,
1020 struct nlattr *nl_combis;
1023 nl_combis = nla_nest_start(msg,
1024 NL80211_ATTR_INTERFACE_COMBINATIONS);
1026 goto nla_put_failure;
1028 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1029 const struct ieee80211_iface_combination *c;
1030 struct nlattr *nl_combi, *nl_limits;
1032 c = &wiphy->iface_combinations[i];
1034 nl_combi = nla_nest_start(msg, i + 1);
1036 goto nla_put_failure;
1038 nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
1040 goto nla_put_failure;
1042 for (j = 0; j < c->n_limits; j++) {
1043 struct nlattr *nl_limit;
1045 nl_limit = nla_nest_start(msg, j + 1);
1047 goto nla_put_failure;
1048 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1050 goto nla_put_failure;
1051 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1052 c->limits[j].types))
1053 goto nla_put_failure;
1054 nla_nest_end(msg, nl_limit);
1057 nla_nest_end(msg, nl_limits);
1059 if (c->beacon_int_infra_match &&
1060 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1061 goto nla_put_failure;
1062 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1063 c->num_different_channels) ||
1064 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1066 goto nla_put_failure;
1068 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1069 c->radar_detect_widths) ||
1070 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1071 c->radar_detect_regions)))
1072 goto nla_put_failure;
1073 if (c->beacon_int_min_gcd &&
1074 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1075 c->beacon_int_min_gcd))
1076 goto nla_put_failure;
1078 nla_nest_end(msg, nl_combi);
1081 nla_nest_end(msg, nl_combis);
1089 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1090 struct sk_buff *msg)
1092 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1093 struct nlattr *nl_tcp;
1098 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1102 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1103 tcp->data_payload_max))
1106 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1107 tcp->data_payload_max))
1110 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1113 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1114 sizeof(*tcp->tok), tcp->tok))
1117 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1118 tcp->data_interval_max))
1121 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1122 tcp->wake_payload_max))
1125 nla_nest_end(msg, nl_tcp);
1129 static int nl80211_send_wowlan(struct sk_buff *msg,
1130 struct cfg80211_registered_device *rdev,
1133 struct nlattr *nl_wowlan;
1135 if (!rdev->wiphy.wowlan)
1138 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1142 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1143 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1144 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1145 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1146 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1147 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1148 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1149 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1150 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1151 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1152 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1153 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1154 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1155 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1156 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1157 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1160 if (rdev->wiphy.wowlan->n_patterns) {
1161 struct nl80211_pattern_support pat = {
1162 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1163 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1164 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1165 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1168 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1173 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1174 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1175 rdev->wiphy.wowlan->max_nd_match_sets))
1178 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1181 nla_nest_end(msg, nl_wowlan);
1187 static int nl80211_send_coalesce(struct sk_buff *msg,
1188 struct cfg80211_registered_device *rdev)
1190 struct nl80211_coalesce_rule_support rule;
1192 if (!rdev->wiphy.coalesce)
1195 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1196 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1197 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1198 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1199 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1200 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1202 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1208 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1209 struct ieee80211_supported_band *sband)
1211 struct nlattr *nl_rates, *nl_rate;
1212 struct ieee80211_rate *rate;
1216 if (sband->ht_cap.ht_supported &&
1217 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1218 sizeof(sband->ht_cap.mcs),
1219 &sband->ht_cap.mcs) ||
1220 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1221 sband->ht_cap.cap) ||
1222 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1223 sband->ht_cap.ampdu_factor) ||
1224 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1225 sband->ht_cap.ampdu_density)))
1229 if (sband->vht_cap.vht_supported &&
1230 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1231 sizeof(sband->vht_cap.vht_mcs),
1232 &sband->vht_cap.vht_mcs) ||
1233 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1234 sband->vht_cap.cap)))
1238 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
1242 for (i = 0; i < sband->n_bitrates; i++) {
1243 nl_rate = nla_nest_start(msg, i);
1247 rate = &sband->bitrates[i];
1248 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1251 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1253 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1256 nla_nest_end(msg, nl_rate);
1259 nla_nest_end(msg, nl_rates);
1265 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1266 const struct ieee80211_txrx_stypes *mgmt_stypes)
1269 struct nlattr *nl_ftypes, *nl_ifs;
1270 enum nl80211_iftype ift;
1276 nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
1280 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1281 nl_ftypes = nla_nest_start(msg, ift);
1285 stypes = mgmt_stypes[ift].tx;
1288 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1289 (i << 4) | IEEE80211_FTYPE_MGMT))
1294 nla_nest_end(msg, nl_ftypes);
1297 nla_nest_end(msg, nl_ifs);
1299 nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
1303 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1304 nl_ftypes = nla_nest_start(msg, ift);
1308 stypes = mgmt_stypes[ift].rx;
1311 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1312 (i << 4) | IEEE80211_FTYPE_MGMT))
1317 nla_nest_end(msg, nl_ftypes);
1319 nla_nest_end(msg, nl_ifs);
1324 #define CMD(op, n) \
1326 if (rdev->ops->op) { \
1328 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1329 goto nla_put_failure; \
1333 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1334 struct sk_buff *msg)
1339 * do *NOT* add anything into this function, new things need to be
1340 * advertised only to new versions of userspace that can deal with
1341 * the split (and they can't possibly care about new features...
1343 CMD(add_virtual_intf, NEW_INTERFACE);
1344 CMD(change_virtual_intf, SET_INTERFACE);
1345 CMD(add_key, NEW_KEY);
1346 CMD(start_ap, START_AP);
1347 CMD(add_station, NEW_STATION);
1348 CMD(add_mpath, NEW_MPATH);
1349 CMD(update_mesh_config, SET_MESH_CONFIG);
1350 CMD(change_bss, SET_BSS);
1351 CMD(auth, AUTHENTICATE);
1352 CMD(assoc, ASSOCIATE);
1353 CMD(deauth, DEAUTHENTICATE);
1354 CMD(disassoc, DISASSOCIATE);
1355 CMD(join_ibss, JOIN_IBSS);
1356 CMD(join_mesh, JOIN_MESH);
1357 CMD(set_pmksa, SET_PMKSA);
1358 CMD(del_pmksa, DEL_PMKSA);
1359 CMD(flush_pmksa, FLUSH_PMKSA);
1360 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1361 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1362 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1363 CMD(mgmt_tx, FRAME);
1364 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1365 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1367 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1368 goto nla_put_failure;
1370 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1371 rdev->ops->join_mesh) {
1373 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1374 goto nla_put_failure;
1376 CMD(set_wds_peer, SET_WDS_PEER);
1377 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1378 CMD(tdls_mgmt, TDLS_MGMT);
1379 CMD(tdls_oper, TDLS_OPER);
1381 if (rdev->wiphy.max_sched_scan_reqs)
1382 CMD(sched_scan_start, START_SCHED_SCAN);
1383 CMD(probe_client, PROBE_CLIENT);
1384 CMD(set_noack_map, SET_NOACK_MAP);
1385 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1387 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1388 goto nla_put_failure;
1390 CMD(start_p2p_device, START_P2P_DEVICE);
1391 CMD(set_mcast_rate, SET_MCAST_RATE);
1392 #ifdef CONFIG_NL80211_TESTMODE
1393 CMD(testmode_cmd, TESTMODE);
1396 if (rdev->ops->connect || rdev->ops->auth) {
1398 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1399 goto nla_put_failure;
1402 if (rdev->ops->disconnect || rdev->ops->deauth) {
1404 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1405 goto nla_put_failure;
1413 struct nl80211_dump_wiphy_state {
1416 long split_start, band_start, chan_start, capa_start;
1420 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
1421 enum nl80211_commands cmd,
1422 struct sk_buff *msg, u32 portid, u32 seq,
1423 int flags, struct nl80211_dump_wiphy_state *state)
1426 struct nlattr *nl_bands, *nl_band;
1427 struct nlattr *nl_freqs, *nl_freq;
1428 struct nlattr *nl_cmds;
1429 enum nl80211_band band;
1430 struct ieee80211_channel *chan;
1432 const struct ieee80211_txrx_stypes *mgmt_stypes =
1433 rdev->wiphy.mgmt_stypes;
1436 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
1440 if (WARN_ON(!state))
1443 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
1444 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1445 wiphy_name(&rdev->wiphy)) ||
1446 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1447 cfg80211_rdev_list_generation))
1448 goto nla_put_failure;
1450 if (cmd != NL80211_CMD_NEW_WIPHY)
1453 switch (state->split_start) {
1455 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1456 rdev->wiphy.retry_short) ||
1457 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1458 rdev->wiphy.retry_long) ||
1459 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1460 rdev->wiphy.frag_threshold) ||
1461 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1462 rdev->wiphy.rts_threshold) ||
1463 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1464 rdev->wiphy.coverage_class) ||
1465 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1466 rdev->wiphy.max_scan_ssids) ||
1467 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1468 rdev->wiphy.max_sched_scan_ssids) ||
1469 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1470 rdev->wiphy.max_scan_ie_len) ||
1471 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1472 rdev->wiphy.max_sched_scan_ie_len) ||
1473 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1474 rdev->wiphy.max_match_sets) ||
1475 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
1476 rdev->wiphy.max_sched_scan_plans) ||
1477 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
1478 rdev->wiphy.max_sched_scan_plan_interval) ||
1479 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
1480 rdev->wiphy.max_sched_scan_plan_iterations))
1481 goto nla_put_failure;
1483 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1484 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1485 goto nla_put_failure;
1486 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1487 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1488 goto nla_put_failure;
1489 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1490 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1491 goto nla_put_failure;
1492 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1493 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1494 goto nla_put_failure;
1495 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1496 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1497 goto nla_put_failure;
1498 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1499 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1500 goto nla_put_failure;
1501 state->split_start++;
1505 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1506 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1507 rdev->wiphy.cipher_suites))
1508 goto nla_put_failure;
1510 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1511 rdev->wiphy.max_num_pmkids))
1512 goto nla_put_failure;
1514 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1515 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1516 goto nla_put_failure;
1518 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1519 rdev->wiphy.available_antennas_tx) ||
1520 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1521 rdev->wiphy.available_antennas_rx))
1522 goto nla_put_failure;
1524 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
1525 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1526 rdev->wiphy.probe_resp_offload))
1527 goto nla_put_failure;
1529 if ((rdev->wiphy.available_antennas_tx ||
1530 rdev->wiphy.available_antennas_rx) &&
1531 rdev->ops->get_antenna) {
1532 u32 tx_ant = 0, rx_ant = 0;
1535 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
1537 if (nla_put_u32(msg,
1538 NL80211_ATTR_WIPHY_ANTENNA_TX,
1541 NL80211_ATTR_WIPHY_ANTENNA_RX,
1543 goto nla_put_failure;
1547 state->split_start++;
1551 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1552 rdev->wiphy.interface_modes))
1553 goto nla_put_failure;
1554 state->split_start++;
1558 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
1560 goto nla_put_failure;
1562 for (band = state->band_start;
1563 band < NUM_NL80211_BANDS; band++) {
1564 struct ieee80211_supported_band *sband;
1566 sband = rdev->wiphy.bands[band];
1571 nl_band = nla_nest_start(msg, band);
1573 goto nla_put_failure;
1575 switch (state->chan_start) {
1577 if (nl80211_send_band_rateinfo(msg, sband))
1578 goto nla_put_failure;
1579 state->chan_start++;
1583 /* add frequencies */
1584 nl_freqs = nla_nest_start(
1585 msg, NL80211_BAND_ATTR_FREQS);
1587 goto nla_put_failure;
1589 for (i = state->chan_start - 1;
1590 i < sband->n_channels;
1592 nl_freq = nla_nest_start(msg, i);
1594 goto nla_put_failure;
1596 chan = &sband->channels[i];
1598 if (nl80211_msg_put_channel(
1601 goto nla_put_failure;
1603 nla_nest_end(msg, nl_freq);
1607 if (i < sband->n_channels)
1608 state->chan_start = i + 2;
1610 state->chan_start = 0;
1611 nla_nest_end(msg, nl_freqs);
1614 nla_nest_end(msg, nl_band);
1617 /* start again here */
1618 if (state->chan_start)
1623 nla_nest_end(msg, nl_bands);
1625 if (band < NUM_NL80211_BANDS)
1626 state->band_start = band + 1;
1628 state->band_start = 0;
1630 /* if bands & channels are done, continue outside */
1631 if (state->band_start == 0 && state->chan_start == 0)
1632 state->split_start++;
1636 nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
1638 goto nla_put_failure;
1640 i = nl80211_add_commands_unsplit(rdev, msg);
1642 goto nla_put_failure;
1644 CMD(crit_proto_start, CRIT_PROTOCOL_START);
1645 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1646 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
1647 CMD(channel_switch, CHANNEL_SWITCH);
1648 CMD(set_qos_map, SET_QOS_MAP);
1649 if (rdev->wiphy.features &
1650 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
1651 CMD(add_tx_ts, ADD_TX_TS);
1652 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
1653 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
1657 nla_nest_end(msg, nl_cmds);
1658 state->split_start++;
1662 if (rdev->ops->remain_on_channel &&
1663 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
1665 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1666 rdev->wiphy.max_remain_on_channel_duration))
1667 goto nla_put_failure;
1669 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
1670 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
1671 goto nla_put_failure;
1673 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
1674 goto nla_put_failure;
1675 state->split_start++;
1680 if (nl80211_send_wowlan(msg, rdev, state->split))
1681 goto nla_put_failure;
1682 state->split_start++;
1686 state->split_start++;
1689 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1690 rdev->wiphy.software_iftypes))
1691 goto nla_put_failure;
1693 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
1695 goto nla_put_failure;
1697 state->split_start++;
1701 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
1702 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1703 rdev->wiphy.ap_sme_capa))
1704 goto nla_put_failure;
1706 features = rdev->wiphy.features;
1708 * We can only add the per-channel limit information if the
1709 * dump is split, otherwise it makes it too big. Therefore
1710 * only advertise it in that case.
1713 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
1714 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
1715 goto nla_put_failure;
1717 if (rdev->wiphy.ht_capa_mod_mask &&
1718 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1719 sizeof(*rdev->wiphy.ht_capa_mod_mask),
1720 rdev->wiphy.ht_capa_mod_mask))
1721 goto nla_put_failure;
1723 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
1724 rdev->wiphy.max_acl_mac_addrs &&
1725 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1726 rdev->wiphy.max_acl_mac_addrs))
1727 goto nla_put_failure;
1730 * Any information below this point is only available to
1731 * applications that can deal with it being split. This
1732 * helps ensure that newly added capabilities don't break
1733 * older tools by overrunning their buffers.
1735 * We still increment split_start so that in the split
1736 * case we'll continue with more data in the next round,
1737 * but break unconditionally so unsplit data stops here.
1739 state->split_start++;
1742 if (rdev->wiphy.extended_capabilities &&
1743 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1744 rdev->wiphy.extended_capabilities_len,
1745 rdev->wiphy.extended_capabilities) ||
1746 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1747 rdev->wiphy.extended_capabilities_len,
1748 rdev->wiphy.extended_capabilities_mask)))
1749 goto nla_put_failure;
1751 if (rdev->wiphy.vht_capa_mod_mask &&
1752 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1753 sizeof(*rdev->wiphy.vht_capa_mod_mask),
1754 rdev->wiphy.vht_capa_mod_mask))
1755 goto nla_put_failure;
1757 state->split_start++;
1760 if (nl80211_send_coalesce(msg, rdev))
1761 goto nla_put_failure;
1763 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
1764 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
1765 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
1766 goto nla_put_failure;
1768 if (rdev->wiphy.max_ap_assoc_sta &&
1769 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
1770 rdev->wiphy.max_ap_assoc_sta))
1771 goto nla_put_failure;
1773 state->split_start++;
1776 if (rdev->wiphy.n_vendor_commands) {
1777 const struct nl80211_vendor_cmd_info *info;
1778 struct nlattr *nested;
1780 nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
1782 goto nla_put_failure;
1784 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
1785 info = &rdev->wiphy.vendor_commands[i].info;
1786 if (nla_put(msg, i + 1, sizeof(*info), info))
1787 goto nla_put_failure;
1789 nla_nest_end(msg, nested);
1792 if (rdev->wiphy.n_vendor_events) {
1793 const struct nl80211_vendor_cmd_info *info;
1794 struct nlattr *nested;
1796 nested = nla_nest_start(msg,
1797 NL80211_ATTR_VENDOR_EVENTS);
1799 goto nla_put_failure;
1801 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
1802 info = &rdev->wiphy.vendor_events[i];
1803 if (nla_put(msg, i + 1, sizeof(*info), info))
1804 goto nla_put_failure;
1806 nla_nest_end(msg, nested);
1808 state->split_start++;
1811 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
1812 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
1813 rdev->wiphy.max_num_csa_counters))
1814 goto nla_put_failure;
1816 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
1817 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
1818 goto nla_put_failure;
1820 if (rdev->wiphy.max_sched_scan_reqs &&
1821 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
1822 rdev->wiphy.max_sched_scan_reqs))
1823 goto nla_put_failure;
1825 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
1826 sizeof(rdev->wiphy.ext_features),
1827 rdev->wiphy.ext_features))
1828 goto nla_put_failure;
1830 if (rdev->wiphy.bss_select_support) {
1831 struct nlattr *nested;
1832 u32 bss_select_support = rdev->wiphy.bss_select_support;
1834 nested = nla_nest_start(msg, NL80211_ATTR_BSS_SELECT);
1836 goto nla_put_failure;
1839 while (bss_select_support) {
1840 if ((bss_select_support & 1) &&
1841 nla_put_flag(msg, i))
1842 goto nla_put_failure;
1844 bss_select_support >>= 1;
1846 nla_nest_end(msg, nested);
1849 state->split_start++;
1852 if (rdev->wiphy.num_iftype_ext_capab &&
1853 rdev->wiphy.iftype_ext_capab) {
1854 struct nlattr *nested_ext_capab, *nested;
1856 nested = nla_nest_start(msg,
1857 NL80211_ATTR_IFTYPE_EXT_CAPA);
1859 goto nla_put_failure;
1861 for (i = state->capa_start;
1862 i < rdev->wiphy.num_iftype_ext_capab; i++) {
1863 const struct wiphy_iftype_ext_capab *capab;
1865 capab = &rdev->wiphy.iftype_ext_capab[i];
1867 nested_ext_capab = nla_nest_start(msg, i);
1868 if (!nested_ext_capab ||
1869 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
1871 nla_put(msg, NL80211_ATTR_EXT_CAPA,
1872 capab->extended_capabilities_len,
1873 capab->extended_capabilities) ||
1874 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1875 capab->extended_capabilities_len,
1876 capab->extended_capabilities_mask))
1877 goto nla_put_failure;
1879 nla_nest_end(msg, nested_ext_capab);
1883 nla_nest_end(msg, nested);
1884 if (i < rdev->wiphy.num_iftype_ext_capab) {
1885 state->capa_start = i + 1;
1890 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
1891 rdev->wiphy.nan_supported_bands))
1892 goto nla_put_failure;
1895 state->split_start = 0;
1899 genlmsg_end(msg, hdr);
1903 genlmsg_cancel(msg, hdr);
1907 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
1908 struct netlink_callback *cb,
1909 struct nl80211_dump_wiphy_state *state)
1911 struct nlattr **tb = genl_family_attrbuf(&nl80211_fam);
1912 int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, tb,
1913 nl80211_fam.maxattr, nl80211_policy, NULL);
1914 /* ignore parse errors for backward compatibility */
1918 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
1919 if (tb[NL80211_ATTR_WIPHY])
1920 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1921 if (tb[NL80211_ATTR_WDEV])
1922 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
1923 if (tb[NL80211_ATTR_IFINDEX]) {
1924 struct net_device *netdev;
1925 struct cfg80211_registered_device *rdev;
1926 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
1928 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
1931 if (netdev->ieee80211_ptr) {
1932 rdev = wiphy_to_rdev(
1933 netdev->ieee80211_ptr->wiphy);
1934 state->filter_wiphy = rdev->wiphy_idx;
1941 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
1944 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1945 struct cfg80211_registered_device *rdev;
1949 state = kzalloc(sizeof(*state), GFP_KERNEL);
1954 state->filter_wiphy = -1;
1955 ret = nl80211_dump_wiphy_parse(skb, cb, state);
1961 cb->args[0] = (long)state;
1964 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
1965 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
1967 if (++idx <= state->start)
1969 if (state->filter_wiphy != -1 &&
1970 state->filter_wiphy != rdev->wiphy_idx)
1972 /* attempt to fit multiple wiphy data chunks into the skb */
1974 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
1976 NETLINK_CB(cb->skb).portid,
1978 NLM_F_MULTI, state);
1981 * If sending the wiphy data didn't fit (ENOBUFS
1982 * or EMSGSIZE returned), this SKB is still
1983 * empty (so it's not too big because another
1984 * wiphy dataset is already in the skb) and
1985 * we've not tried to adjust the dump allocation
1986 * yet ... then adjust the alloc size to be
1987 * bigger, and return 1 but with the empty skb.
1988 * This results in an empty message being RX'ed
1989 * in userspace, but that is ignored.
1991 * We can then retry with the larger buffer.
1993 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
1994 !skb->len && !state->split &&
1995 cb->min_dump_alloc < 4096) {
1996 cb->min_dump_alloc = 4096;
1997 state->split_start = 0;
2004 } while (state->split_start > 0);
2014 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2016 kfree((void *)cb->args[0]);
2020 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2022 struct sk_buff *msg;
2023 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2024 struct nl80211_dump_wiphy_state state = {};
2026 msg = nlmsg_new(4096, GFP_KERNEL);
2030 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2031 info->snd_portid, info->snd_seq, 0,
2037 return genlmsg_reply(msg, info);
2040 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2041 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2042 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2043 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2044 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2045 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2048 static int parse_txq_params(struct nlattr *tb[],
2049 struct ieee80211_txq_params *txq_params)
2051 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2052 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2053 !tb[NL80211_TXQ_ATTR_AIFS])
2056 txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2057 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2058 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2059 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2060 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2062 if (txq_params->ac >= NL80211_NUM_ACS)
2068 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2071 * You can only set the channel explicitly for WDS interfaces,
2072 * all others have their channel managed via their respective
2073 * "establish a connection" command (connect, join, ...)
2075 * For AP/GO and mesh mode, the channel can be set with the
2076 * channel userspace API, but is only stored and passed to the
2077 * low-level driver when the AP starts or the mesh is joined.
2078 * This is for backward compatibility, userspace can also give
2079 * the channel in the start-ap or join-mesh commands instead.
2081 * Monitors are special as they are normally slaved to
2082 * whatever else is going on, so they have their own special
2083 * operation to set the monitor channel if possible.
2086 wdev->iftype == NL80211_IFTYPE_AP ||
2087 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2088 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2089 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2092 static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2093 struct genl_info *info,
2094 struct cfg80211_chan_def *chandef)
2098 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
2101 control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
2103 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
2104 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2105 chandef->center_freq1 = control_freq;
2106 chandef->center_freq2 = 0;
2108 /* Primary channel not allowed */
2109 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED)
2112 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2113 enum nl80211_channel_type chantype;
2115 chantype = nla_get_u32(
2116 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2119 case NL80211_CHAN_NO_HT:
2120 case NL80211_CHAN_HT20:
2121 case NL80211_CHAN_HT40PLUS:
2122 case NL80211_CHAN_HT40MINUS:
2123 cfg80211_chandef_create(chandef, chandef->chan,
2129 } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
2131 nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2132 if (info->attrs[NL80211_ATTR_CENTER_FREQ1])
2133 chandef->center_freq1 =
2135 info->attrs[NL80211_ATTR_CENTER_FREQ1]);
2136 if (info->attrs[NL80211_ATTR_CENTER_FREQ2])
2137 chandef->center_freq2 =
2139 info->attrs[NL80211_ATTR_CENTER_FREQ2]);
2142 if (!cfg80211_chandef_valid(chandef))
2145 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
2146 IEEE80211_CHAN_DISABLED))
2149 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2150 chandef->width == NL80211_CHAN_WIDTH_10) &&
2151 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ))
2157 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
2158 struct net_device *dev,
2159 struct genl_info *info)
2161 struct cfg80211_chan_def chandef;
2163 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
2164 struct wireless_dev *wdev = NULL;
2167 wdev = dev->ieee80211_ptr;
2168 if (!nl80211_can_set_dev_channel(wdev))
2171 iftype = wdev->iftype;
2173 result = nl80211_parse_chandef(rdev, info, &chandef);
2178 case NL80211_IFTYPE_AP:
2179 case NL80211_IFTYPE_P2P_GO:
2180 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2185 if (wdev->beacon_interval) {
2186 if (!dev || !rdev->ops->set_ap_chanwidth ||
2187 !(rdev->wiphy.features &
2188 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2193 /* Only allow dynamic channel width changes */
2194 if (chandef.chan != wdev->preset_chandef.chan) {
2198 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2202 wdev->preset_chandef = chandef;
2205 case NL80211_IFTYPE_MESH_POINT:
2206 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
2208 case NL80211_IFTYPE_MONITOR:
2209 result = cfg80211_set_monitor_channel(rdev, &chandef);
2218 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2220 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2221 struct net_device *netdev = info->user_ptr[1];
2223 return __nl80211_set_channel(rdev, netdev, info);
2226 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2228 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2229 struct net_device *dev = info->user_ptr[1];
2230 struct wireless_dev *wdev = dev->ieee80211_ptr;
2233 if (!info->attrs[NL80211_ATTR_MAC])
2236 if (netif_running(dev))
2239 if (!rdev->ops->set_wds_peer)
2242 if (wdev->iftype != NL80211_IFTYPE_WDS)
2245 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
2246 return rdev_set_wds_peer(rdev, dev, bssid);
2249 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2251 struct cfg80211_registered_device *rdev;
2252 struct net_device *netdev = NULL;
2253 struct wireless_dev *wdev;
2254 int result = 0, rem_txq_params = 0;
2255 struct nlattr *nl_txq_params;
2257 u8 retry_short = 0, retry_long = 0;
2258 u32 frag_threshold = 0, rts_threshold = 0;
2259 u8 coverage_class = 0;
2264 * Try to find the wiphy and netdev. Normally this
2265 * function shouldn't need the netdev, but this is
2266 * done for backward compatibility -- previously
2267 * setting the channel was done per wiphy, but now
2268 * it is per netdev. Previous userland like hostapd
2269 * also passed a netdev to set_wiphy, so that it is
2270 * possible to let that go to the right netdev!
2273 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2274 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2276 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
2277 if (netdev && netdev->ieee80211_ptr)
2278 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
2284 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2287 return PTR_ERR(rdev);
2292 wdev = netdev->ieee80211_ptr;
2295 * end workaround code, by now the rdev is available
2296 * and locked, and wdev may or may not be NULL.
2299 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
2300 result = cfg80211_dev_rename(
2301 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
2306 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2307 struct ieee80211_txq_params txq_params;
2308 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2310 if (!rdev->ops->set_txq_params)
2316 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2317 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2320 if (!netif_running(netdev))
2323 nla_for_each_nested(nl_txq_params,
2324 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2326 result = nla_parse_nested(tb, NL80211_TXQ_ATTR_MAX,
2332 result = parse_txq_params(tb, &txq_params);
2336 result = rdev_set_txq_params(rdev, netdev,
2343 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2344 result = __nl80211_set_channel(
2346 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2352 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2353 struct wireless_dev *txp_wdev = wdev;
2354 enum nl80211_tx_power_setting type;
2357 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2360 if (!rdev->ops->set_tx_power)
2363 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2364 type = nla_get_u32(info->attrs[idx]);
2366 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2367 (type != NL80211_TX_POWER_AUTOMATIC))
2370 if (type != NL80211_TX_POWER_AUTOMATIC) {
2371 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2372 mbm = nla_get_u32(info->attrs[idx]);
2375 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2380 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2381 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2384 if ((!rdev->wiphy.available_antennas_tx &&
2385 !rdev->wiphy.available_antennas_rx) ||
2386 !rdev->ops->set_antenna)
2389 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2390 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2392 /* reject antenna configurations which don't match the
2393 * available antenna masks, except for the "all" mask */
2394 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
2395 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
2398 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2399 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
2401 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
2408 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2409 retry_short = nla_get_u8(
2410 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
2411 if (retry_short == 0)
2414 changed |= WIPHY_PARAM_RETRY_SHORT;
2417 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2418 retry_long = nla_get_u8(
2419 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
2420 if (retry_long == 0)
2423 changed |= WIPHY_PARAM_RETRY_LONG;
2426 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2427 frag_threshold = nla_get_u32(
2428 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
2429 if (frag_threshold < 256)
2432 if (frag_threshold != (u32) -1) {
2434 * Fragments (apart from the last one) are required to
2435 * have even length. Make the fragmentation code
2436 * simpler by stripping LSB should someone try to use
2437 * odd threshold value.
2439 frag_threshold &= ~0x1;
2441 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2444 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2445 rts_threshold = nla_get_u32(
2446 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2447 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2450 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
2451 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
2454 coverage_class = nla_get_u8(
2455 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2456 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2459 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
2460 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
2463 changed |= WIPHY_PARAM_DYN_ACK;
2467 u8 old_retry_short, old_retry_long;
2468 u32 old_frag_threshold, old_rts_threshold;
2469 u8 old_coverage_class;
2471 if (!rdev->ops->set_wiphy_params)
2474 old_retry_short = rdev->wiphy.retry_short;
2475 old_retry_long = rdev->wiphy.retry_long;
2476 old_frag_threshold = rdev->wiphy.frag_threshold;
2477 old_rts_threshold = rdev->wiphy.rts_threshold;
2478 old_coverage_class = rdev->wiphy.coverage_class;
2480 if (changed & WIPHY_PARAM_RETRY_SHORT)
2481 rdev->wiphy.retry_short = retry_short;
2482 if (changed & WIPHY_PARAM_RETRY_LONG)
2483 rdev->wiphy.retry_long = retry_long;
2484 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
2485 rdev->wiphy.frag_threshold = frag_threshold;
2486 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
2487 rdev->wiphy.rts_threshold = rts_threshold;
2488 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
2489 rdev->wiphy.coverage_class = coverage_class;
2491 result = rdev_set_wiphy_params(rdev, changed);
2493 rdev->wiphy.retry_short = old_retry_short;
2494 rdev->wiphy.retry_long = old_retry_long;
2495 rdev->wiphy.frag_threshold = old_frag_threshold;
2496 rdev->wiphy.rts_threshold = old_rts_threshold;
2497 rdev->wiphy.coverage_class = old_coverage_class;
2504 static inline u64 wdev_id(struct wireless_dev *wdev)
2506 return (u64)wdev->identifier |
2507 ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32);
2510 static int nl80211_send_chandef(struct sk_buff *msg,
2511 const struct cfg80211_chan_def *chandef)
2513 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
2516 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
2517 chandef->chan->center_freq))
2519 switch (chandef->width) {
2520 case NL80211_CHAN_WIDTH_20_NOHT:
2521 case NL80211_CHAN_WIDTH_20:
2522 case NL80211_CHAN_WIDTH_40:
2523 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
2524 cfg80211_get_chandef_type(chandef)))
2530 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
2532 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
2534 if (chandef->center_freq2 &&
2535 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
2540 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
2541 struct cfg80211_registered_device *rdev,
2542 struct wireless_dev *wdev, bool removal)
2544 struct net_device *dev = wdev->netdev;
2545 u8 cmd = NL80211_CMD_NEW_INTERFACE;
2549 cmd = NL80211_CMD_DEL_INTERFACE;
2551 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2556 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2557 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
2558 goto nla_put_failure;
2560 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2561 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2562 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
2563 NL80211_ATTR_PAD) ||
2564 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
2565 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2566 rdev->devlist_generation ^
2567 (cfg80211_rdev_list_generation << 2)))
2568 goto nla_put_failure;
2570 if (rdev->ops->get_channel) {
2572 struct cfg80211_chan_def chandef;
2574 ret = rdev_get_channel(rdev, wdev, &chandef);
2576 if (nl80211_send_chandef(msg, &chandef))
2577 goto nla_put_failure;
2581 if (rdev->ops->get_tx_power) {
2584 ret = rdev_get_tx_power(rdev, wdev, &dbm);
2586 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
2588 goto nla_put_failure;
2591 if (wdev->ssid_len) {
2592 if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
2593 goto nla_put_failure;
2596 genlmsg_end(msg, hdr);
2600 genlmsg_cancel(msg, hdr);
2604 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
2608 int wp_start = cb->args[0];
2609 int if_start = cb->args[1];
2610 int filter_wiphy = -1;
2611 struct cfg80211_registered_device *rdev;
2612 struct wireless_dev *wdev;
2617 struct nl80211_dump_wiphy_state state = {
2621 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
2625 filter_wiphy = state.filter_wiphy;
2628 * if filtering, set cb->args[2] to +1 since 0 is the default
2629 * value needed to determine that parsing is necessary.
2631 if (filter_wiphy >= 0)
2632 cb->args[2] = filter_wiphy + 1;
2635 } else if (cb->args[2] > 0) {
2636 filter_wiphy = cb->args[2] - 1;
2639 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2640 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2642 if (wp_idx < wp_start) {
2647 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
2652 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
2653 if (if_idx < if_start) {
2657 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
2658 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2659 rdev, wdev, false) < 0) {
2668 cb->args[0] = wp_idx;
2669 cb->args[1] = if_idx;
2678 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
2680 struct sk_buff *msg;
2681 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2682 struct wireless_dev *wdev = info->user_ptr[1];
2684 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2688 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2689 rdev, wdev, false) < 0) {
2694 return genlmsg_reply(msg, info);
2697 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
2698 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
2699 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
2700 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
2701 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
2702 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
2703 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
2706 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
2708 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
2716 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, nla,
2717 mntr_flags_policy, NULL))
2720 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
2722 *mntrflags |= (1<<flag);
2724 *mntrflags |= MONITOR_FLAG_CHANGED;
2729 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
2730 enum nl80211_iftype type,
2731 struct genl_info *info,
2732 struct vif_params *params)
2734 bool change = false;
2737 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
2738 if (type != NL80211_IFTYPE_MONITOR)
2741 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
2749 if (params->flags & MONITOR_FLAG_ACTIVE &&
2750 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
2753 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
2754 const u8 *mumimo_groups;
2755 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
2757 if (type != NL80211_IFTYPE_MONITOR)
2760 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
2764 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
2766 /* bits 0 and 63 are reserved and must be zero */
2767 if ((mumimo_groups[0] & BIT(0)) ||
2768 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
2771 params->vht_mumimo_groups = mumimo_groups;
2775 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
2776 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
2778 if (type != NL80211_IFTYPE_MONITOR)
2781 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
2784 params->vht_mumimo_follow_addr =
2785 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
2789 return change ? 1 : 0;
2792 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
2793 struct net_device *netdev, u8 use_4addr,
2794 enum nl80211_iftype iftype)
2797 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
2803 case NL80211_IFTYPE_AP_VLAN:
2804 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
2807 case NL80211_IFTYPE_STATION:
2808 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
2818 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
2820 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2821 struct vif_params params;
2823 enum nl80211_iftype otype, ntype;
2824 struct net_device *dev = info->user_ptr[1];
2825 bool change = false;
2827 memset(¶ms, 0, sizeof(params));
2829 otype = ntype = dev->ieee80211_ptr->iftype;
2831 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2832 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2835 if (ntype > NL80211_IFTYPE_MAX)
2839 if (info->attrs[NL80211_ATTR_MESH_ID]) {
2840 struct wireless_dev *wdev = dev->ieee80211_ptr;
2842 if (ntype != NL80211_IFTYPE_MESH_POINT)
2844 if (netif_running(dev))
2848 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2849 IEEE80211_MAX_MESH_ID_LEN);
2850 wdev->mesh_id_up_len =
2851 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2852 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2853 wdev->mesh_id_up_len);
2857 if (info->attrs[NL80211_ATTR_4ADDR]) {
2858 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2860 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
2864 params.use_4addr = -1;
2867 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
2874 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
2878 if (!err && params.use_4addr != -1)
2879 dev->ieee80211_ptr->use_4addr = params.use_4addr;
2884 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
2886 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2887 struct vif_params params;
2888 struct wireless_dev *wdev;
2889 struct sk_buff *msg;
2891 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
2893 /* to avoid failing a new interface creation due to pending removal */
2894 cfg80211_destroy_ifaces(rdev);
2896 memset(¶ms, 0, sizeof(params));
2898 if (!info->attrs[NL80211_ATTR_IFNAME])
2901 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2902 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2903 if (type > NL80211_IFTYPE_MAX)
2907 if (!rdev->ops->add_virtual_intf ||
2908 !(rdev->wiphy.interface_modes & (1 << type)))
2911 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
2912 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
2913 info->attrs[NL80211_ATTR_MAC]) {
2914 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
2916 if (!is_valid_ether_addr(params.macaddr))
2917 return -EADDRNOTAVAIL;
2920 if (info->attrs[NL80211_ATTR_4ADDR]) {
2921 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2922 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
2927 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
2931 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2935 wdev = rdev_add_virtual_intf(rdev,
2936 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
2937 NET_NAME_USER, type, ¶ms);
2938 if (WARN_ON(!wdev)) {
2941 } else if (IS_ERR(wdev)) {
2943 return PTR_ERR(wdev);
2946 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
2947 wdev->owner_nlportid = info->snd_portid;
2950 case NL80211_IFTYPE_MESH_POINT:
2951 if (!info->attrs[NL80211_ATTR_MESH_ID])
2954 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2955 IEEE80211_MAX_MESH_ID_LEN);
2956 wdev->mesh_id_up_len =
2957 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2958 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2959 wdev->mesh_id_up_len);
2962 case NL80211_IFTYPE_NAN:
2963 case NL80211_IFTYPE_P2P_DEVICE:
2965 * P2P Device and NAN do not have a netdev, so don't go
2966 * through the netdev notifier and must be added here
2968 mutex_init(&wdev->mtx);
2969 INIT_LIST_HEAD(&wdev->event_list);
2970 spin_lock_init(&wdev->event_lock);
2971 INIT_LIST_HEAD(&wdev->mgmt_registrations);
2972 spin_lock_init(&wdev->mgmt_registrations_lock);
2974 wdev->identifier = ++rdev->wdev_id;
2975 list_add_rcu(&wdev->list, &rdev->wiphy.wdev_list);
2976 rdev->devlist_generation++;
2982 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2983 rdev, wdev, false) < 0) {
2989 * For wdevs which have no associated netdev object (e.g. of type
2990 * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here.
2991 * For all other types, the event will be generated from the
2995 nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE);
2997 return genlmsg_reply(msg, info);
3000 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3002 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3003 struct wireless_dev *wdev = info->user_ptr[1];
3005 if (!rdev->ops->del_virtual_intf)
3009 * If we remove a wireless device without a netdev then clear
3010 * user_ptr[1] so that nl80211_post_doit won't dereference it
3011 * to check if it needs to do dev_put(). Otherwise it crashes
3012 * since the wdev has been freed, unlike with a netdev where
3013 * we need the dev_put() for the netdev to really be freed.
3016 info->user_ptr[1] = NULL;
3018 return rdev_del_virtual_intf(rdev, wdev);
3021 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3023 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3024 struct net_device *dev = info->user_ptr[1];
3027 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3030 if (!rdev->ops->set_noack_map)
3033 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3035 return rdev_set_noack_map(rdev, dev, noack_map);
3038 struct get_key_cookie {
3039 struct sk_buff *msg;
3044 static void get_key_callback(void *c, struct key_params *params)
3047 struct get_key_cookie *cookie = c;
3050 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3051 params->key_len, params->key)) ||
3053 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3054 params->seq_len, params->seq)) ||
3056 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3058 goto nla_put_failure;
3060 key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
3062 goto nla_put_failure;
3065 nla_put(cookie->msg, NL80211_KEY_DATA,
3066 params->key_len, params->key)) ||
3068 nla_put(cookie->msg, NL80211_KEY_SEQ,
3069 params->seq_len, params->seq)) ||
3071 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3073 goto nla_put_failure;
3075 if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx))
3076 goto nla_put_failure;
3078 nla_nest_end(cookie->msg, key);
3085 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3087 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3089 struct net_device *dev = info->user_ptr[1];
3091 const u8 *mac_addr = NULL;
3093 struct get_key_cookie cookie = {
3097 struct sk_buff *msg;
3099 if (info->attrs[NL80211_ATTR_KEY_IDX])
3100 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3105 if (info->attrs[NL80211_ATTR_MAC])
3106 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3108 pairwise = !!mac_addr;
3109 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3110 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
3112 if (kt >= NUM_NL80211_KEYTYPES)
3114 if (kt != NL80211_KEYTYPE_GROUP &&
3115 kt != NL80211_KEYTYPE_PAIRWISE)
3117 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3120 if (!rdev->ops->get_key)
3123 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3126 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3130 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3131 NL80211_CMD_NEW_KEY);
3133 goto nla_put_failure;
3136 cookie.idx = key_idx;
3138 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3139 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3140 goto nla_put_failure;
3142 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3143 goto nla_put_failure;
3145 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3152 goto nla_put_failure;
3154 genlmsg_end(msg, hdr);
3155 return genlmsg_reply(msg, info);
3164 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3166 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3167 struct key_parse key;
3169 struct net_device *dev = info->user_ptr[1];
3171 err = nl80211_parse_key(info, &key);
3178 /* only support setting default key */
3179 if (!key.def && !key.defmgmt)
3182 wdev_lock(dev->ieee80211_ptr);
3185 if (!rdev->ops->set_default_key) {
3190 err = nl80211_key_allowed(dev->ieee80211_ptr);
3194 err = rdev_set_default_key(rdev, dev, key.idx,
3195 key.def_uni, key.def_multi);
3200 #ifdef CONFIG_CFG80211_WEXT
3201 dev->ieee80211_ptr->wext.default_key = key.idx;
3204 if (key.def_uni || !key.def_multi) {
3209 if (!rdev->ops->set_default_mgmt_key) {
3214 err = nl80211_key_allowed(dev->ieee80211_ptr);
3218 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
3222 #ifdef CONFIG_CFG80211_WEXT
3223 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
3228 wdev_unlock(dev->ieee80211_ptr);
3233 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3235 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3237 struct net_device *dev = info->user_ptr[1];
3238 struct key_parse key;
3239 const u8 *mac_addr = NULL;
3241 err = nl80211_parse_key(info, &key);
3248 if (info->attrs[NL80211_ATTR_MAC])
3249 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3251 if (key.type == -1) {
3253 key.type = NL80211_KEYTYPE_PAIRWISE;
3255 key.type = NL80211_KEYTYPE_GROUP;
3259 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3260 key.type != NL80211_KEYTYPE_GROUP)
3263 if (!rdev->ops->add_key)
3266 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3267 key.type == NL80211_KEYTYPE_PAIRWISE,
3271 wdev_lock(dev->ieee80211_ptr);
3272 err = nl80211_key_allowed(dev->ieee80211_ptr);
3274 err = rdev_add_key(rdev, dev, key.idx,
3275 key.type == NL80211_KEYTYPE_PAIRWISE,
3277 wdev_unlock(dev->ieee80211_ptr);
3282 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3284 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3286 struct net_device *dev = info->user_ptr[1];
3287 u8 *mac_addr = NULL;
3288 struct key_parse key;
3290 err = nl80211_parse_key(info, &key);
3294 if (info->attrs[NL80211_ATTR_MAC])
3295 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3297 if (key.type == -1) {
3299 key.type = NL80211_KEYTYPE_PAIRWISE;
3301 key.type = NL80211_KEYTYPE_GROUP;
3305 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3306 key.type != NL80211_KEYTYPE_GROUP)
3309 if (!rdev->ops->del_key)
3312 wdev_lock(dev->ieee80211_ptr);
3313 err = nl80211_key_allowed(dev->ieee80211_ptr);
3315 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
3316 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3320 err = rdev_del_key(rdev, dev, key.idx,
3321 key.type == NL80211_KEYTYPE_PAIRWISE,
3324 #ifdef CONFIG_CFG80211_WEXT
3326 if (key.idx == dev->ieee80211_ptr->wext.default_key)
3327 dev->ieee80211_ptr->wext.default_key = -1;
3328 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
3329 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
3332 wdev_unlock(dev->ieee80211_ptr);
3337 /* This function returns an error or the number of nested attributes */
3338 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
3340 struct nlattr *attr;
3341 int n_entries = 0, tmp;
3343 nla_for_each_nested(attr, nl_attr, tmp) {
3344 if (nla_len(attr) != ETH_ALEN)
3354 * This function parses ACL information and allocates memory for ACL data.
3355 * On successful return, the calling function is responsible to free the
3356 * ACL buffer returned by this function.
3358 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
3359 struct genl_info *info)
3361 enum nl80211_acl_policy acl_policy;
3362 struct nlattr *attr;
3363 struct cfg80211_acl_data *acl;
3364 int i = 0, n_entries, tmp;
3366 if (!wiphy->max_acl_mac_addrs)
3367 return ERR_PTR(-EOPNOTSUPP);
3369 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
3370 return ERR_PTR(-EINVAL);
3372 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
3373 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
3374 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
3375 return ERR_PTR(-EINVAL);
3377 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
3378 return ERR_PTR(-EINVAL);
3380 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
3382 return ERR_PTR(n_entries);
3384 if (n_entries > wiphy->max_acl_mac_addrs)
3385 return ERR_PTR(-ENOTSUPP);
3387 acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries),
3390 return ERR_PTR(-ENOMEM);
3392 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
3393 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
3397 acl->n_acl_entries = n_entries;
3398 acl->acl_policy = acl_policy;
3403 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
3405 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3406 struct net_device *dev = info->user_ptr[1];
3407 struct cfg80211_acl_data *acl;
3410 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3411 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3414 if (!dev->ieee80211_ptr->beacon_interval)
3417 acl = parse_acl_data(&rdev->wiphy, info);
3419 return PTR_ERR(acl);
3421 err = rdev_set_mac_acl(rdev, dev, acl);
3428 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
3429 u8 *rates, u8 rates_len)
3434 for (i = 0; i < rates_len; i++) {
3435 int rate = (rates[i] & 0x7f) * 5;
3438 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
3439 struct ieee80211_rate *srate =
3440 &sband->bitrates[ridx];
3441 if (rate == srate->bitrate) {
3446 if (ridx == sband->n_bitrates)
3447 return 0; /* rate not found */
3453 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
3454 u8 *rates, u8 rates_len,
3455 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
3459 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
3461 for (i = 0; i < rates_len; i++) {
3464 ridx = rates[i] / 8;
3465 rbit = BIT(rates[i] % 8);
3467 /* check validity */
3468 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
3471 /* check availability */
3472 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
3481 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
3485 switch (vht_mcs_map) {
3486 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
3488 case IEEE80211_VHT_MCS_SUPPORT_0_7:
3491 case IEEE80211_VHT_MCS_SUPPORT_0_8:
3494 case IEEE80211_VHT_MCS_SUPPORT_0_9:
3504 static void vht_build_mcs_mask(u16 vht_mcs_map,
3505 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
3509 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
3510 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
3515 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
3516 struct nl80211_txrate_vht *txrate,
3517 u16 mcs[NL80211_VHT_NSS_MAX])
3519 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
3520 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
3523 if (!sband->vht_cap.vht_supported)
3526 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
3528 /* Build vht_mcs_mask from VHT capabilities */
3529 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
3531 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
3532 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
3533 mcs[i] = txrate->mcs[i];
3541 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
3542 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
3543 .len = NL80211_MAX_SUPP_RATES },
3544 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
3545 .len = NL80211_MAX_SUPP_HT_RATES },
3546 [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)},
3547 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
3550 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
3551 struct cfg80211_bitrate_mask *mask)
3553 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
3554 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3556 struct nlattr *tx_rates;
3557 struct ieee80211_supported_band *sband;
3560 memset(mask, 0, sizeof(*mask));
3561 /* Default to all rates enabled */
3562 for (i = 0; i < NUM_NL80211_BANDS; i++) {
3563 sband = rdev->wiphy.bands[i];
3568 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
3569 memcpy(mask->control[i].ht_mcs,
3570 sband->ht_cap.mcs.rx_mask,
3571 sizeof(mask->control[i].ht_mcs));
3573 if (!sband->vht_cap.vht_supported)
3576 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
3577 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
3580 /* if no rates are given set it back to the defaults */
3581 if (!info->attrs[NL80211_ATTR_TX_RATES])
3584 /* The nested attribute uses enum nl80211_band as the index. This maps
3585 * directly to the enum nl80211_band values used in cfg80211.
3587 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
3588 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
3589 enum nl80211_band band = nla_type(tx_rates);
3592 if (band < 0 || band >= NUM_NL80211_BANDS)
3594 sband = rdev->wiphy.bands[band];
3597 err = nla_parse_nested(tb, NL80211_TXRATE_MAX, tx_rates,
3598 nl80211_txattr_policy, info->extack);
3601 if (tb[NL80211_TXRATE_LEGACY]) {
3602 mask->control[band].legacy = rateset_to_mask(
3604 nla_data(tb[NL80211_TXRATE_LEGACY]),
3605 nla_len(tb[NL80211_TXRATE_LEGACY]));
3606 if ((mask->control[band].legacy == 0) &&
3607 nla_len(tb[NL80211_TXRATE_LEGACY]))
3610 if (tb[NL80211_TXRATE_HT]) {
3611 if (!ht_rateset_to_mask(
3613 nla_data(tb[NL80211_TXRATE_HT]),
3614 nla_len(tb[NL80211_TXRATE_HT]),
3615 mask->control[band].ht_mcs))
3618 if (tb[NL80211_TXRATE_VHT]) {
3619 if (!vht_set_mcs_mask(
3621 nla_data(tb[NL80211_TXRATE_VHT]),
3622 mask->control[band].vht_mcs))
3625 if (tb[NL80211_TXRATE_GI]) {
3626 mask->control[band].gi =
3627 nla_get_u8(tb[NL80211_TXRATE_GI]);
3628 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
3632 if (mask->control[band].legacy == 0) {
3633 /* don't allow empty legacy rates if HT or VHT
3634 * are not even supported.
3636 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
3637 rdev->wiphy.bands[band]->vht_cap.vht_supported))
3640 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
3641 if (mask->control[band].ht_mcs[i])
3644 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
3645 if (mask->control[band].vht_mcs[i])
3648 /* legacy and mcs rates may not be both empty */
3657 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
3658 enum nl80211_band band,
3659 struct cfg80211_bitrate_mask *beacon_rate)
3661 u32 count_ht, count_vht, i;
3662 u32 rate = beacon_rate->control[band].legacy;
3664 /* Allow only one rate */
3665 if (hweight32(rate) > 1)
3669 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
3670 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
3672 } else if (beacon_rate->control[band].ht_mcs[i]) {
3677 if (count_ht && rate)
3682 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
3683 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
3685 } else if (beacon_rate->control[band].vht_mcs[i]) {
3690 if (count_vht && rate)
3694 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
3698 !wiphy_ext_feature_isset(&rdev->wiphy,
3699 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
3702 !wiphy_ext_feature_isset(&rdev->wiphy,
3703 NL80211_EXT_FEATURE_BEACON_RATE_HT))
3706 !wiphy_ext_feature_isset(&rdev->wiphy,
3707 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
3713 static int nl80211_parse_beacon(struct nlattr *attrs[],
3714 struct cfg80211_beacon_data *bcn)
3716 bool haveinfo = false;
3718 if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) ||
3719 !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) ||
3720 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
3721 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP]))
3724 memset(bcn, 0, sizeof(*bcn));
3726 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
3727 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
3728 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
3734 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
3735 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
3736 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
3743 if (attrs[NL80211_ATTR_IE]) {
3744 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
3745 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
3748 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
3749 bcn->proberesp_ies =
3750 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
3751 bcn->proberesp_ies_len =
3752 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
3755 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
3756 bcn->assocresp_ies =
3757 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
3758 bcn->assocresp_ies_len =
3759 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
3762 if (attrs[NL80211_ATTR_PROBE_RESP]) {
3763 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
3764 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
3770 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
3778 for (i = 0; i < rates[1]; i++) {
3779 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
3780 params->ht_required = true;
3781 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
3782 params->vht_required = true;
3787 * Since the nl80211 API didn't include, from the beginning, attributes about
3788 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
3789 * benefit of drivers that rebuild IEs in the firmware.
3791 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
3793 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
3794 size_t ies_len = bcn->beacon_ies_len;
3795 const u8 *ies = bcn->beacon_ies;
3799 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
3800 nl80211_check_ap_rate_selectors(params, rates);
3802 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
3803 nl80211_check_ap_rate_selectors(params, rates);
3805 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
3806 if (cap && cap[1] >= sizeof(*params->ht_cap))
3807 params->ht_cap = (void *)(cap + 2);
3808 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
3809 if (cap && cap[1] >= sizeof(*params->vht_cap))
3810 params->vht_cap = (void *)(cap + 2);
3813 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
3814 struct cfg80211_ap_settings *params)
3816 struct wireless_dev *wdev;
3819 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3820 if (wdev->iftype != NL80211_IFTYPE_AP &&
3821 wdev->iftype != NL80211_IFTYPE_P2P_GO)
3824 if (!wdev->preset_chandef.chan)
3827 params->chandef = wdev->preset_chandef;
3835 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
3836 enum nl80211_auth_type auth_type,
3837 enum nl80211_commands cmd)
3839 if (auth_type > NL80211_AUTHTYPE_MAX)
3843 case NL80211_CMD_AUTHENTICATE:
3844 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
3845 auth_type == NL80211_AUTHTYPE_SAE)
3847 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3848 NL80211_EXT_FEATURE_FILS_STA) &&
3849 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
3850 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
3851 auth_type == NL80211_AUTHTYPE_FILS_PK))
3854 case NL80211_CMD_CONNECT:
3855 /* SAE not supported yet */
3856 if (auth_type == NL80211_AUTHTYPE_SAE)
3858 /* FILS with SK PFS or PK not supported yet */
3859 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
3860 auth_type == NL80211_AUTHTYPE_FILS_PK)
3862 if (!wiphy_ext_feature_isset(
3864 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
3865 auth_type == NL80211_AUTHTYPE_FILS_SK)
3868 case NL80211_CMD_START_AP:
3869 /* SAE not supported yet */
3870 if (auth_type == NL80211_AUTHTYPE_SAE)
3872 /* FILS not supported yet */
3873 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
3874 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
3875 auth_type == NL80211_AUTHTYPE_FILS_PK)
3883 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
3885 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3886 struct net_device *dev = info->user_ptr[1];
3887 struct wireless_dev *wdev = dev->ieee80211_ptr;
3888 struct cfg80211_ap_settings params;
3891 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3892 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3895 if (!rdev->ops->start_ap)
3898 if (wdev->beacon_interval)
3901 memset(¶ms, 0, sizeof(params));
3903 /* these are required for START_AP */
3904 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
3905 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
3906 !info->attrs[NL80211_ATTR_BEACON_HEAD])
3909 err = nl80211_parse_beacon(info->attrs, ¶ms.beacon);
3913 params.beacon_interval =
3914 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
3915 params.dtim_period =
3916 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
3918 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
3919 params.beacon_interval);
3924 * In theory, some of these attributes should be required here
3925 * but since they were not used when the command was originally
3926 * added, keep them optional for old user space programs to let
3927 * them continue to work with drivers that do not need the
3928 * additional information -- drivers must check!
3930 if (info->attrs[NL80211_ATTR_SSID]) {
3931 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
3933 nla_len(info->attrs[NL80211_ATTR_SSID]);
3934 if (params.ssid_len == 0 ||
3935 params.ssid_len > IEEE80211_MAX_SSID_LEN)
3939 if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) {
3940 params.hidden_ssid = nla_get_u32(
3941 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
3942 if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE &&
3943 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN &&
3944 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS)
3948 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
3950 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
3951 params.auth_type = nla_get_u32(
3952 info->attrs[NL80211_ATTR_AUTH_TYPE]);
3953 if (!nl80211_valid_auth_type(rdev, params.auth_type,
3954 NL80211_CMD_START_AP))
3957 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
3959 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
3960 NL80211_MAX_NR_CIPHER_SUITES);
3964 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
3965 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
3967 params.inactivity_timeout = nla_get_u16(
3968 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
3971 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
3972 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3974 params.p2p_ctwindow =
3975 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
3976 if (params.p2p_ctwindow > 127)
3978 if (params.p2p_ctwindow != 0 &&
3979 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
3983 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
3986 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3988 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
3991 params.p2p_opp_ps = tmp;
3992 if (params.p2p_opp_ps != 0 &&
3993 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
3997 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3998 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
4001 } else if (wdev->preset_chandef.chan) {
4002 params.chandef = wdev->preset_chandef;
4003 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
4006 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
4010 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4011 err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate);
4015 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4016 ¶ms.beacon_rate);
4021 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4023 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4024 switch (params.smps_mode) {
4025 case NL80211_SMPS_OFF:
4027 case NL80211_SMPS_STATIC:
4028 if (!(rdev->wiphy.features &
4029 NL80211_FEATURE_STATIC_SMPS))
4032 case NL80211_SMPS_DYNAMIC:
4033 if (!(rdev->wiphy.features &
4034 NL80211_FEATURE_DYNAMIC_SMPS))
4041 params.smps_mode = NL80211_SMPS_OFF;
4044 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4045 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4048 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4049 params.acl = parse_acl_data(&rdev->wiphy, info);
4050 if (IS_ERR(params.acl))
4051 return PTR_ERR(params.acl);
4054 nl80211_calculate_ap_params(¶ms);
4057 err = rdev_start_ap(rdev, dev, ¶ms);
4059 wdev->preset_chandef = params.chandef;
4060 wdev->beacon_interval = params.beacon_interval;
4061 wdev->chandef = params.chandef;
4062 wdev->ssid_len = params.ssid_len;
4063 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
4072 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
4074 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4075 struct net_device *dev = info->user_ptr[1];
4076 struct wireless_dev *wdev = dev->ieee80211_ptr;
4077 struct cfg80211_beacon_data params;
4080 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4081 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4084 if (!rdev->ops->change_beacon)
4087 if (!wdev->beacon_interval)
4090 err = nl80211_parse_beacon(info->attrs, ¶ms);
4095 err = rdev_change_beacon(rdev, dev, ¶ms);
4101 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
4103 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4104 struct net_device *dev = info->user_ptr[1];
4106 return cfg80211_stop_ap(rdev, dev, false);
4109 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4110 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4111 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4112 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
4113 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
4114 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
4115 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
4118 static int parse_station_flags(struct genl_info *info,
4119 enum nl80211_iftype iftype,
4120 struct station_parameters *params)
4122 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
4127 * Try parsing the new attribute first so userspace
4128 * can specify both for older kernels.
4130 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4132 struct nl80211_sta_flag_update *sta_flags;
4134 sta_flags = nla_data(nla);
4135 params->sta_flags_mask = sta_flags->mask;
4136 params->sta_flags_set = sta_flags->set;
4137 params->sta_flags_set &= params->sta_flags_mask;
4138 if ((params->sta_flags_mask |
4139 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4144 /* if present, parse the old attribute */
4146 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
4150 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, nla,
4151 sta_flags_policy, info->extack))
4155 * Only allow certain flags for interface types so that
4156 * other attributes are silently ignored. Remember that
4157 * this is backward compatibility code with old userspace
4158 * and shouldn't be hit in other cases anyway.
4161 case NL80211_IFTYPE_AP:
4162 case NL80211_IFTYPE_AP_VLAN:
4163 case NL80211_IFTYPE_P2P_GO:
4164 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4165 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4166 BIT(NL80211_STA_FLAG_WME) |
4167 BIT(NL80211_STA_FLAG_MFP);
4169 case NL80211_IFTYPE_P2P_CLIENT:
4170 case NL80211_IFTYPE_STATION:
4171 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4172 BIT(NL80211_STA_FLAG_TDLS_PEER);
4174 case NL80211_IFTYPE_MESH_POINT:
4175 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4176 BIT(NL80211_STA_FLAG_MFP) |
4177 BIT(NL80211_STA_FLAG_AUTHORIZED);
4182 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4184 params->sta_flags_set |= (1<<flag);
4186 /* no longer support new API additions in old API */
4187 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4195 static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
4198 struct nlattr *rate;
4201 enum nl80211_rate_info rate_flg;
4203 rate = nla_nest_start(msg, attr);
4207 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4208 bitrate = cfg80211_calculate_bitrate(info);
4209 /* report 16-bit bitrate only if we can */
4210 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
4212 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4214 if (bitrate_compat > 0 &&
4215 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4219 case RATE_INFO_BW_5:
4220 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4222 case RATE_INFO_BW_10:
4223 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4228 case RATE_INFO_BW_20:
4231 case RATE_INFO_BW_40:
4232 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4234 case RATE_INFO_BW_80:
4235 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
4237 case RATE_INFO_BW_160:
4238 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
4242 if (rate_flg && nla_put_flag(msg, rate_flg))
4245 if (info->flags & RATE_INFO_FLAGS_MCS) {
4246 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
4248 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4249 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4251 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
4252 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
4254 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
4256 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4257 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4261 nla_nest_end(msg, rate);
4265 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
4274 attr = nla_nest_start(msg, id);
4278 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
4279 if (!(mask & BIT(i)))
4282 if (nla_put_u8(msg, i, signal[i]))
4286 nla_nest_end(msg, attr);
4291 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
4293 struct cfg80211_registered_device *rdev,
4294 struct net_device *dev,
4295 const u8 *mac_addr, struct station_info *sinfo)
4298 struct nlattr *sinfoattr, *bss_param;
4300 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
4304 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4305 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
4306 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
4307 goto nla_put_failure;
4309 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
4311 goto nla_put_failure;
4313 #define PUT_SINFO(attr, memb, type) do { \
4314 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4315 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4316 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4318 goto nla_put_failure; \
4320 #define PUT_SINFO_U64(attr, memb) do { \
4321 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4322 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4323 sinfo->memb, NL80211_STA_INFO_PAD)) \
4324 goto nla_put_failure; \
4327 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
4328 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
4330 if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) |
4331 BIT(NL80211_STA_INFO_RX_BYTES64)) &&
4332 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
4333 (u32)sinfo->rx_bytes))
4334 goto nla_put_failure;
4336 if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) |
4337 BIT(NL80211_STA_INFO_TX_BYTES64)) &&
4338 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
4339 (u32)sinfo->tx_bytes))
4340 goto nla_put_failure;
4342 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
4343 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
4344 PUT_SINFO(LLID, llid, u16);
4345 PUT_SINFO(PLID, plid, u16);
4346 PUT_SINFO(PLINK_STATE, plink_state, u8);
4347 PUT_SINFO_U64(RX_DURATION, rx_duration);
4349 switch (rdev->wiphy.signal_type) {
4350 case CFG80211_SIGNAL_TYPE_MBM:
4351 PUT_SINFO(SIGNAL, signal, u8);
4352 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
4357 if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) {
4358 if (!nl80211_put_signal(msg, sinfo->chains,
4359 sinfo->chain_signal,
4360 NL80211_STA_INFO_CHAIN_SIGNAL))
4361 goto nla_put_failure;
4363 if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
4364 if (!nl80211_put_signal(msg, sinfo->chains,
4365 sinfo->chain_signal_avg,
4366 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
4367 goto nla_put_failure;
4369 if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) {
4370 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
4371 NL80211_STA_INFO_TX_BITRATE))
4372 goto nla_put_failure;
4374 if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) {
4375 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
4376 NL80211_STA_INFO_RX_BITRATE))
4377 goto nla_put_failure;
4380 PUT_SINFO(RX_PACKETS, rx_packets, u32);
4381 PUT_SINFO(TX_PACKETS, tx_packets, u32);
4382 PUT_SINFO(TX_RETRIES, tx_retries, u32);
4383 PUT_SINFO(TX_FAILED, tx_failed, u32);
4384 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
4385 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
4386 PUT_SINFO(LOCAL_PM, local_pm, u32);
4387 PUT_SINFO(PEER_PM, peer_pm, u32);
4388 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
4390 if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) {
4391 bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
4393 goto nla_put_failure;
4395 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
4396 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
4397 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
4398 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
4399 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
4400 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
4401 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
4402 sinfo->bss_param.dtim_period) ||
4403 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
4404 sinfo->bss_param.beacon_interval))
4405 goto nla_put_failure;
4407 nla_nest_end(msg, bss_param);
4409 if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) &&
4410 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
4411 sizeof(struct nl80211_sta_flag_update),
4413 goto nla_put_failure;
4415 PUT_SINFO_U64(T_OFFSET, t_offset);
4416 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
4417 PUT_SINFO_U64(BEACON_RX, rx_beacon);
4418 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
4421 #undef PUT_SINFO_U64
4423 if (sinfo->filled & BIT(NL80211_STA_INFO_TID_STATS)) {
4424 struct nlattr *tidsattr;
4427 tidsattr = nla_nest_start(msg, NL80211_STA_INFO_TID_STATS);
4429 goto nla_put_failure;
4431 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
4432 struct cfg80211_tid_stats *tidstats;
4433 struct nlattr *tidattr;
4435 tidstats = &sinfo->pertid[tid];
4437 if (!tidstats->filled)
4440 tidattr = nla_nest_start(msg, tid + 1);
4442 goto nla_put_failure;
4444 #define PUT_TIDVAL_U64(attr, memb) do { \
4445 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
4446 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
4447 tidstats->memb, NL80211_TID_STATS_PAD)) \
4448 goto nla_put_failure; \
4451 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
4452 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
4453 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
4454 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
4456 #undef PUT_TIDVAL_U64
4457 nla_nest_end(msg, tidattr);
4460 nla_nest_end(msg, tidsattr);
4463 nla_nest_end(msg, sinfoattr);
4465 if (sinfo->assoc_req_ies_len &&
4466 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
4467 sinfo->assoc_req_ies))
4468 goto nla_put_failure;
4470 genlmsg_end(msg, hdr);
4474 genlmsg_cancel(msg, hdr);
4478 static int nl80211_dump_station(struct sk_buff *skb,
4479 struct netlink_callback *cb)
4481 struct station_info sinfo;
4482 struct cfg80211_registered_device *rdev;
4483 struct wireless_dev *wdev;
4484 u8 mac_addr[ETH_ALEN];
4485 int sta_idx = cb->args[2];
4489 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
4493 if (!wdev->netdev) {
4498 if (!rdev->ops->dump_station) {
4504 memset(&sinfo, 0, sizeof(sinfo));
4505 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
4512 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
4513 NETLINK_CB(cb->skb).portid,
4514 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4515 rdev, wdev->netdev, mac_addr,
4523 cb->args[2] = sta_idx;
4531 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
4533 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4534 struct net_device *dev = info->user_ptr[1];
4535 struct station_info sinfo;
4536 struct sk_buff *msg;
4537 u8 *mac_addr = NULL;
4540 memset(&sinfo, 0, sizeof(sinfo));
4542 if (!info->attrs[NL80211_ATTR_MAC])
4545 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4547 if (!rdev->ops->get_station)
4550 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
4554 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4558 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
4559 info->snd_portid, info->snd_seq, 0,
4560 rdev, dev, mac_addr, &sinfo) < 0) {
4565 return genlmsg_reply(msg, info);
4568 int cfg80211_check_station_change(struct wiphy *wiphy,
4569 struct station_parameters *params,
4570 enum cfg80211_station_type statype)
4572 if (params->listen_interval != -1 &&
4573 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
4576 if (params->support_p2p_ps != -1 &&
4577 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
4581 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
4582 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
4585 /* When you run into this, adjust the code below for the new flag */
4586 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
4589 case CFG80211_STA_MESH_PEER_KERNEL:
4590 case CFG80211_STA_MESH_PEER_USER:
4592 * No ignoring the TDLS flag here -- the userspace mesh
4593 * code doesn't have the bug of including TDLS in the
4596 if (params->sta_flags_mask &
4597 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4598 BIT(NL80211_STA_FLAG_MFP) |
4599 BIT(NL80211_STA_FLAG_AUTHORIZED)))
4602 case CFG80211_STA_TDLS_PEER_SETUP:
4603 case CFG80211_STA_TDLS_PEER_ACTIVE:
4604 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4606 /* ignore since it can't change */
4607 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
4610 /* disallow mesh-specific things */
4611 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
4613 if (params->local_pm)
4615 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
4619 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
4620 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
4621 /* TDLS can't be set, ... */
4622 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
4625 * ... but don't bother the driver with it. This works around
4626 * a hostapd/wpa_supplicant issue -- it always includes the
4627 * TLDS_PEER flag in the mask even for AP mode.
4629 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
4632 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
4633 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
4634 /* reject other things that can't change */
4635 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
4637 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
4639 if (params->supported_rates)
4641 if (params->ext_capab || params->ht_capa || params->vht_capa)
4645 if (statype != CFG80211_STA_AP_CLIENT &&
4646 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
4652 case CFG80211_STA_AP_MLME_CLIENT:
4653 /* Use this only for authorizing/unauthorizing a station */
4654 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
4657 case CFG80211_STA_AP_CLIENT:
4658 case CFG80211_STA_AP_CLIENT_UNASSOC:
4659 /* accept only the listed bits */
4660 if (params->sta_flags_mask &
4661 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
4662 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4663 BIT(NL80211_STA_FLAG_ASSOCIATED) |
4664 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4665 BIT(NL80211_STA_FLAG_WME) |
4666 BIT(NL80211_STA_FLAG_MFP)))
4669 /* but authenticated/associated only if driver handles it */
4670 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
4671 params->sta_flags_mask &
4672 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4673 BIT(NL80211_STA_FLAG_ASSOCIATED)))
4676 case CFG80211_STA_IBSS:
4677 case CFG80211_STA_AP_STA:
4678 /* reject any changes other than AUTHORIZED */
4679 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
4682 case CFG80211_STA_TDLS_PEER_SETUP:
4683 /* reject any changes other than AUTHORIZED or WME */
4684 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
4685 BIT(NL80211_STA_FLAG_WME)))
4687 /* force (at least) rates when authorizing */
4688 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
4689 !params->supported_rates)
4692 case CFG80211_STA_TDLS_PEER_ACTIVE:
4693 /* reject any changes */
4695 case CFG80211_STA_MESH_PEER_KERNEL:
4696 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
4699 case CFG80211_STA_MESH_PEER_USER:
4700 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
4701 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
4707 * Older kernel versions ignored this attribute entirely, so don't
4708 * reject attempts to update it but mark it as unused instead so the
4709 * driver won't look at the data.
4711 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
4712 statype != CFG80211_STA_TDLS_PEER_SETUP)
4713 params->opmode_notif_used = false;
4717 EXPORT_SYMBOL(cfg80211_check_station_change);
4720 * Get vlan interface making sure it is running and on the right wiphy.
4722 static struct net_device *get_vlan(struct genl_info *info,
4723 struct cfg80211_registered_device *rdev)
4725 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
4726 struct net_device *v;
4732 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
4734 return ERR_PTR(-ENODEV);
4736 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
4741 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
4742 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4743 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
4748 if (!netif_running(v)) {
4756 return ERR_PTR(ret);
4759 static const struct nla_policy
4760 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
4761 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
4762 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
4765 static int nl80211_parse_sta_wme(struct genl_info *info,
4766 struct station_parameters *params)
4768 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
4772 /* parse WME attributes if present */
4773 if (!info->attrs[NL80211_ATTR_STA_WME])
4776 nla = info->attrs[NL80211_ATTR_STA_WME];
4777 err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
4778 nl80211_sta_wme_policy, info->extack);
4782 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
4783 params->uapsd_queues = nla_get_u8(
4784 tb[NL80211_STA_WME_UAPSD_QUEUES]);
4785 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
4788 if (tb[NL80211_STA_WME_MAX_SP])
4789 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
4791 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
4794 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
4799 static int nl80211_parse_sta_channel_info(struct genl_info *info,
4800 struct station_parameters *params)
4802 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
4803 params->supported_channels =
4804 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
4805 params->supported_channels_len =
4806 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
4808 * Need to include at least one (first channel, number of
4809 * channels) tuple for each subband, and must have proper
4810 * tuples for the rest of the data as well.
4812 if (params->supported_channels_len < 2)
4814 if (params->supported_channels_len % 2)
4818 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
4819 params->supported_oper_classes =
4820 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
4821 params->supported_oper_classes_len =
4822 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
4824 * The value of the Length field of the Supported Operating
4825 * Classes element is between 2 and 253.
4827 if (params->supported_oper_classes_len < 2 ||
4828 params->supported_oper_classes_len > 253)
4834 static int nl80211_set_station_tdls(struct genl_info *info,
4835 struct station_parameters *params)
4838 /* Dummy STA entry gets updated once the peer capabilities are known */
4839 if (info->attrs[NL80211_ATTR_PEER_AID])
4840 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
4841 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
4843 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
4844 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
4846 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
4848 err = nl80211_parse_sta_channel_info(info, params);
4852 return nl80211_parse_sta_wme(info, params);
4855 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
4857 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4858 struct net_device *dev = info->user_ptr[1];
4859 struct station_parameters params;
4863 memset(¶ms, 0, sizeof(params));
4865 if (!rdev->ops->change_station)
4869 * AID and listen_interval properties can be set only for unassociated
4870 * station. Include these parameters here and will check them in
4871 * cfg80211_check_station_change().
4873 if (info->attrs[NL80211_ATTR_STA_AID])
4874 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
4876 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
4877 params.listen_interval =
4878 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
4880 params.listen_interval = -1;
4882 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
4885 tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
4886 if (tmp >= NUM_NL80211_P2P_PS_STATUS)
4889 params.support_p2p_ps = tmp;
4891 params.support_p2p_ps = -1;
4894 if (!info->attrs[NL80211_ATTR_MAC])
4897 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4899 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
4900 params.supported_rates =
4901 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4902 params.supported_rates_len =
4903 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4906 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4908 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4909 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4912 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4914 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4915 params.ext_capab_len =
4916 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4919 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
4922 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
4923 params.plink_action =
4924 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4925 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4929 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
4930 params.plink_state =
4931 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
4932 if (params.plink_state >= NUM_NL80211_PLINK_STATES)
4934 if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) {
4935 params.peer_aid = nla_get_u16(
4936 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
4937 if (params.peer_aid > IEEE80211_MAX_AID)
4940 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
4943 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) {
4944 enum nl80211_mesh_power_mode pm = nla_get_u32(
4945 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
4947 if (pm <= NL80211_MESH_POWER_UNKNOWN ||
4948 pm > NL80211_MESH_POWER_MAX)
4951 params.local_pm = pm;
4954 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
4955 params.opmode_notif_used = true;
4956 params.opmode_notif =
4957 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
4960 /* Include parameters for TDLS peer (will check later) */
4961 err = nl80211_set_station_tdls(info, ¶ms);
4965 params.vlan = get_vlan(info, rdev);
4966 if (IS_ERR(params.vlan))
4967 return PTR_ERR(params.vlan);
4969 switch (dev->ieee80211_ptr->iftype) {
4970 case NL80211_IFTYPE_AP:
4971 case NL80211_IFTYPE_AP_VLAN:
4972 case NL80211_IFTYPE_P2P_GO:
4973 case NL80211_IFTYPE_P2P_CLIENT:
4974 case NL80211_IFTYPE_STATION:
4975 case NL80211_IFTYPE_ADHOC:
4976 case NL80211_IFTYPE_MESH_POINT:
4983 /* driver will call cfg80211_check_station_change() */
4984 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
4988 dev_put(params.vlan);
4993 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
4995 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4997 struct net_device *dev = info->user_ptr[1];
4998 struct station_parameters params;
4999 u8 *mac_addr = NULL;
5000 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5001 BIT(NL80211_STA_FLAG_ASSOCIATED);
5003 memset(¶ms, 0, sizeof(params));
5005 if (!rdev->ops->add_station)
5008 if (!info->attrs[NL80211_ATTR_MAC])
5011 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5014 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
5017 if (!info->attrs[NL80211_ATTR_STA_AID] &&
5018 !info->attrs[NL80211_ATTR_PEER_AID])
5021 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5022 params.supported_rates =
5023 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5024 params.supported_rates_len =
5025 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5026 params.listen_interval =
5027 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5029 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
5032 tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5033 if (tmp >= NUM_NL80211_P2P_PS_STATUS)
5036 params.support_p2p_ps = tmp;
5039 * if not specified, assume it's supported for P2P GO interface,
5040 * and is NOT supported for AP interface
5042 params.support_p2p_ps =
5043 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
5046 if (info->attrs[NL80211_ATTR_PEER_AID])
5047 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5049 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5050 if (!params.aid || params.aid > IEEE80211_MAX_AID)
5053 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5055 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5056 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5059 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5061 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5062 params.ext_capab_len =
5063 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5066 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5068 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5070 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5072 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5074 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5075 params.opmode_notif_used = true;
5076 params.opmode_notif =
5077 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5080 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
5081 params.plink_action =
5082 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5083 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
5087 err = nl80211_parse_sta_channel_info(info, ¶ms);
5091 err = nl80211_parse_sta_wme(info, ¶ms);
5095 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5098 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5099 * as userspace might just pass through the capabilities from the IEs
5100 * directly, rather than enforcing this restriction and returning an
5101 * error in this case.
5103 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5104 params.ht_capa = NULL;
5105 params.vht_capa = NULL;
5108 /* When you run into this, adjust the code below for the new flag */
5109 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5111 switch (dev->ieee80211_ptr->iftype) {
5112 case NL80211_IFTYPE_AP:
5113 case NL80211_IFTYPE_AP_VLAN:
5114 case NL80211_IFTYPE_P2P_GO:
5115 /* ignore WME attributes if iface/sta is not capable */
5116 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5117 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5118 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5120 /* TDLS peers cannot be added */
5121 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5122 info->attrs[NL80211_ATTR_PEER_AID])
5124 /* but don't bother the driver with it */
5125 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5127 /* allow authenticated/associated only if driver handles it */
5128 if (!(rdev->wiphy.features &
5129 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5130 params.sta_flags_mask & auth_assoc)
5133 /* Older userspace, or userspace wanting to be compatible with
5134 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5135 * and assoc flags in the mask, but assumes the station will be
5136 * added as associated anyway since this was the required driver
5137 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5139 * In order to not bother drivers with this quirk in the API
5140 * set the flags in both the mask and set for new stations in
5143 if (!(params.sta_flags_mask & auth_assoc)) {
5144 params.sta_flags_mask |= auth_assoc;
5145 params.sta_flags_set |= auth_assoc;
5148 /* must be last in here for error handling */
5149 params.vlan = get_vlan(info, rdev);
5150 if (IS_ERR(params.vlan))
5151 return PTR_ERR(params.vlan);
5153 case NL80211_IFTYPE_MESH_POINT:
5154 /* ignore uAPSD data */
5155 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5157 /* associated is disallowed */
5158 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
5160 /* TDLS peers cannot be added */
5161 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5162 info->attrs[NL80211_ATTR_PEER_AID])
5165 case NL80211_IFTYPE_STATION:
5166 case NL80211_IFTYPE_P2P_CLIENT:
5167 /* ignore uAPSD data */
5168 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5170 /* these are disallowed */
5171 if (params.sta_flags_mask &
5172 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
5173 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
5175 /* Only TDLS peers can be added */
5176 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5178 /* Can only add if TDLS ... */
5179 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
5181 /* ... with external setup is supported */
5182 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
5185 * Older wpa_supplicant versions always mark the TDLS peer
5186 * as authorized, but it shouldn't yet be.
5188 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
5194 /* be aware of params.vlan when changing code here */
5196 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
5199 dev_put(params.vlan);
5203 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
5205 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5206 struct net_device *dev = info->user_ptr[1];
5207 struct station_del_parameters params;
5209 memset(¶ms, 0, sizeof(params));
5211 if (info->attrs[NL80211_ATTR_MAC])
5212 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5214 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5215 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5216 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
5217 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5220 if (!rdev->ops->del_station)
5223 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
5225 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
5226 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
5227 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
5230 /* Default to Deauthentication frame */
5231 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
5234 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
5235 params.reason_code =
5236 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5237 if (params.reason_code == 0)
5238 return -EINVAL; /* 0 is reserved */
5240 /* Default to reason code 2 */
5241 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
5244 return rdev_del_station(rdev, dev, ¶ms);
5247 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
5248 int flags, struct net_device *dev,
5249 u8 *dst, u8 *next_hop,
5250 struct mpath_info *pinfo)
5253 struct nlattr *pinfoattr;
5255 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
5259 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5260 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
5261 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
5262 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
5263 goto nla_put_failure;
5265 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
5267 goto nla_put_failure;
5268 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
5269 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
5271 goto nla_put_failure;
5272 if (((pinfo->filled & MPATH_INFO_SN) &&
5273 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
5274 ((pinfo->filled & MPATH_INFO_METRIC) &&
5275 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
5277 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
5278 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
5280 ((pinfo->filled & MPATH_INFO_FLAGS) &&
5281 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
5283 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
5284 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
5285 pinfo->discovery_timeout)) ||
5286 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
5287 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
5288 pinfo->discovery_retries)))
5289 goto nla_put_failure;
5291 nla_nest_end(msg, pinfoattr);
5293 genlmsg_end(msg, hdr);
5297 genlmsg_cancel(msg, hdr);
5301 static int nl80211_dump_mpath(struct sk_buff *skb,
5302 struct netlink_callback *cb)
5304 struct mpath_info pinfo;
5305 struct cfg80211_registered_device *rdev;
5306 struct wireless_dev *wdev;
5308 u8 next_hop[ETH_ALEN];
5309 int path_idx = cb->args[2];
5313 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
5317 if (!rdev->ops->dump_mpath) {
5322 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
5328 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
5335 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
5336 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5337 wdev->netdev, dst, next_hop,
5345 cb->args[2] = path_idx;
5352 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
5354 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5356 struct net_device *dev = info->user_ptr[1];
5357 struct mpath_info pinfo;
5358 struct sk_buff *msg;
5360 u8 next_hop[ETH_ALEN];
5362 memset(&pinfo, 0, sizeof(pinfo));
5364 if (!info->attrs[NL80211_ATTR_MAC])
5367 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5369 if (!rdev->ops->get_mpath)
5372 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5375 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
5379 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5383 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
5384 dev, dst, next_hop, &pinfo) < 0) {
5389 return genlmsg_reply(msg, info);
5392 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
5394 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5395 struct net_device *dev = info->user_ptr[1];
5397 u8 *next_hop = NULL;
5399 if (!info->attrs[NL80211_ATTR_MAC])
5402 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
5405 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5406 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
5408 if (!rdev->ops->change_mpath)
5411 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5414 return rdev_change_mpath(rdev, dev, dst, next_hop);
5417 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
5419 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5420 struct net_device *dev = info->user_ptr[1];
5422 u8 *next_hop = NULL;
5424 if (!info->attrs[NL80211_ATTR_MAC])
5427 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
5430 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5431 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
5433 if (!rdev->ops->add_mpath)
5436 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5439 return rdev_add_mpath(rdev, dev, dst, next_hop);
5442 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
5444 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5445 struct net_device *dev = info->user_ptr[1];
5448 if (info->attrs[NL80211_ATTR_MAC])
5449 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5451 if (!rdev->ops->del_mpath)
5454 return rdev_del_mpath(rdev, dev, dst);
5457 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
5459 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5461 struct net_device *dev = info->user_ptr[1];
5462 struct mpath_info pinfo;
5463 struct sk_buff *msg;
5467 memset(&pinfo, 0, sizeof(pinfo));
5469 if (!info->attrs[NL80211_ATTR_MAC])
5472 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5474 if (!rdev->ops->get_mpp)
5477 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5480 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
5484 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5488 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
5489 dev, dst, mpp, &pinfo) < 0) {
5494 return genlmsg_reply(msg, info);
5497 static int nl80211_dump_mpp(struct sk_buff *skb,
5498 struct netlink_callback *cb)
5500 struct mpath_info pinfo;
5501 struct cfg80211_registered_device *rdev;
5502 struct wireless_dev *wdev;
5505 int path_idx = cb->args[2];
5509 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
5513 if (!rdev->ops->dump_mpp) {
5518 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
5524 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
5531 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
5532 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5533 wdev->netdev, dst, mpp,
5541 cb->args[2] = path_idx;
5548 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
5550 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5551 struct net_device *dev = info->user_ptr[1];
5552 struct wireless_dev *wdev = dev->ieee80211_ptr;
5553 struct bss_parameters params;
5556 memset(¶ms, 0, sizeof(params));
5557 /* default to not changing parameters */
5558 params.use_cts_prot = -1;
5559 params.use_short_preamble = -1;
5560 params.use_short_slot_time = -1;
5561 params.ap_isolate = -1;
5562 params.ht_opmode = -1;
5563 params.p2p_ctwindow = -1;
5564 params.p2p_opp_ps = -1;
5566 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
5567 params.use_cts_prot =
5568 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
5569 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
5570 params.use_short_preamble =
5571 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
5572 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
5573 params.use_short_slot_time =
5574 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
5575 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
5576 params.basic_rates =
5577 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
5578 params.basic_rates_len =
5579 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
5581 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
5582 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
5583 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
5585 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
5587 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5588 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5590 params.p2p_ctwindow =
5591 nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5592 if (params.p2p_ctwindow < 0)
5594 if (params.p2p_ctwindow != 0 &&
5595 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
5599 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5602 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5604 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5607 params.p2p_opp_ps = tmp;
5608 if (params.p2p_opp_ps &&
5609 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
5613 if (!rdev->ops->change_bss)
5616 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5617 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5621 err = rdev_change_bss(rdev, dev, ¶ms);
5627 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
5631 enum nl80211_user_reg_hint_type user_reg_hint_type;
5635 * You should only get this when cfg80211 hasn't yet initialized
5636 * completely when built-in to the kernel right between the time
5637 * window between nl80211_init() and regulatory_init(), if that is
5640 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
5641 return -EINPROGRESS;
5643 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
5644 user_reg_hint_type =
5645 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
5647 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
5649 switch (user_reg_hint_type) {
5650 case NL80211_USER_REG_HINT_USER:
5651 case NL80211_USER_REG_HINT_CELL_BASE:
5652 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
5655 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
5656 return regulatory_hint_user(data, user_reg_hint_type);
5657 case NL80211_USER_REG_HINT_INDOOR:
5658 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
5659 owner_nlportid = info->snd_portid;
5660 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
5666 return regulatory_hint_indoor(is_indoor, owner_nlportid);
5672 static int nl80211_get_mesh_config(struct sk_buff *skb,
5673 struct genl_info *info)
5675 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5676 struct net_device *dev = info->user_ptr[1];
5677 struct wireless_dev *wdev = dev->ieee80211_ptr;
5678 struct mesh_config cur_params;
5681 struct nlattr *pinfoattr;
5682 struct sk_buff *msg;
5684 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
5687 if (!rdev->ops->get_mesh_config)
5691 /* If not connected, get default parameters */
5692 if (!wdev->mesh_id_len)
5693 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
5695 err = rdev_get_mesh_config(rdev, dev, &cur_params);
5701 /* Draw up a netlink message to send back */
5702 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5705 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
5706 NL80211_CMD_GET_MESH_CONFIG);
5709 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
5711 goto nla_put_failure;
5712 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5713 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
5714 cur_params.dot11MeshRetryTimeout) ||
5715 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
5716 cur_params.dot11MeshConfirmTimeout) ||
5717 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
5718 cur_params.dot11MeshHoldingTimeout) ||
5719 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
5720 cur_params.dot11MeshMaxPeerLinks) ||
5721 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
5722 cur_params.dot11MeshMaxRetries) ||
5723 nla_put_u8(msg, NL80211_MESHCONF_TTL,
5724 cur_params.dot11MeshTTL) ||
5725 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
5726 cur_params.element_ttl) ||
5727 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
5728 cur_params.auto_open_plinks) ||
5729 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
5730 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
5731 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
5732 cur_params.dot11MeshHWMPmaxPREQretries) ||
5733 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
5734 cur_params.path_refresh_time) ||
5735 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
5736 cur_params.min_discovery_timeout) ||
5737 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
5738 cur_params.dot11MeshHWMPactivePathTimeout) ||
5739 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
5740 cur_params.dot11MeshHWMPpreqMinInterval) ||
5741 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
5742 cur_params.dot11MeshHWMPperrMinInterval) ||
5743 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
5744 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
5745 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
5746 cur_params.dot11MeshHWMPRootMode) ||
5747 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
5748 cur_params.dot11MeshHWMPRannInterval) ||
5749 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
5750 cur_params.dot11MeshGateAnnouncementProtocol) ||
5751 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
5752 cur_params.dot11MeshForwarding) ||
5753 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
5754 cur_params.rssi_threshold) ||
5755 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
5756 cur_params.ht_opmode) ||
5757 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
5758 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
5759 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
5760 cur_params.dot11MeshHWMProotInterval) ||
5761 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
5762 cur_params.dot11MeshHWMPconfirmationInterval) ||
5763 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
5764 cur_params.power_mode) ||
5765 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
5766 cur_params.dot11MeshAwakeWindowDuration) ||
5767 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
5768 cur_params.plink_timeout))
5769 goto nla_put_failure;
5770 nla_nest_end(msg, pinfoattr);
5771 genlmsg_end(msg, hdr);
5772 return genlmsg_reply(msg, info);
5775 genlmsg_cancel(msg, hdr);
5781 static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
5782 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
5783 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
5784 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
5785 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
5786 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
5787 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
5788 [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
5789 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
5790 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 },
5791 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
5792 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
5793 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
5794 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
5795 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
5796 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 },
5797 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
5798 [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
5799 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
5800 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
5801 [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
5802 [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
5803 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
5804 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
5805 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
5806 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
5807 [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 },
5808 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
5809 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
5812 static const struct nla_policy
5813 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
5814 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
5815 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
5816 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
5817 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
5818 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
5819 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
5820 [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
5821 .len = IEEE80211_MAX_DATA_LEN },
5822 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
5825 static int nl80211_check_bool(const struct nlattr *nla, u8 min, u8 max, bool *out)
5827 u8 val = nla_get_u8(nla);
5828 if (val < min || val > max)
5834 static int nl80211_check_u8(const struct nlattr *nla, u8 min, u8 max, u8 *out)
5836 u8 val = nla_get_u8(nla);
5837 if (val < min || val > max)
5843 static int nl80211_check_u16(const struct nlattr *nla, u16 min, u16 max, u16 *out)
5845 u16 val = nla_get_u16(nla);
5846 if (val < min || val > max)
5852 static int nl80211_check_u32(const struct nlattr *nla, u32 min, u32 max, u32 *out)
5854 u32 val = nla_get_u32(nla);
5855 if (val < min || val > max)
5861 static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *out)
5863 s32 val = nla_get_s32(nla);
5864 if (val < min || val > max)
5870 static int nl80211_check_power_mode(const struct nlattr *nla,
5871 enum nl80211_mesh_power_mode min,
5872 enum nl80211_mesh_power_mode max,
5873 enum nl80211_mesh_power_mode *out)
5875 u32 val = nla_get_u32(nla);
5876 if (val < min || val > max)
5882 static int nl80211_parse_mesh_config(struct genl_info *info,
5883 struct mesh_config *cfg,
5886 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
5890 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5893 if (fn(tb[attr], min, max, &cfg->param)) \
5895 mask |= (1 << (attr - 1)); \
5899 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
5901 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
5902 info->attrs[NL80211_ATTR_MESH_CONFIG],
5903 nl80211_meshconf_params_policy, info->extack))
5906 /* This makes sure that there aren't more than 32 mesh config
5907 * parameters (otherwise our bitfield scheme would not work.) */
5908 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
5910 /* Fill in the params struct */
5911 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255,
5912 mask, NL80211_MESHCONF_RETRY_TIMEOUT,
5914 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255,
5915 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT,
5917 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255,
5918 mask, NL80211_MESHCONF_HOLDING_TIMEOUT,
5920 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255,
5921 mask, NL80211_MESHCONF_MAX_PEER_LINKS,
5923 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16,
5924 mask, NL80211_MESHCONF_MAX_RETRIES,
5926 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255,
5927 mask, NL80211_MESHCONF_TTL, nl80211_check_u8);
5928 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255,
5929 mask, NL80211_MESHCONF_ELEMENT_TTL,
5931 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1,
5932 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
5933 nl80211_check_bool);
5934 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
5936 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
5938 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255,
5939 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
5941 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535,
5942 mask, NL80211_MESHCONF_PATH_REFRESH_TIME,
5944 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535,
5945 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
5947 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
5949 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
5951 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
5953 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
5955 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
5957 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
5959 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
5960 dot11MeshHWMPnetDiameterTraversalTime,
5962 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
5964 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4,
5965 mask, NL80211_MESHCONF_HWMP_ROOTMODE,
5967 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535,
5968 mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
5970 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
5971 dot11MeshGateAnnouncementProtocol, 0, 1,
5972 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
5973 nl80211_check_bool);
5974 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1,
5975 mask, NL80211_MESHCONF_FORWARDING,
5976 nl80211_check_bool);
5977 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0,
5978 mask, NL80211_MESHCONF_RSSI_THRESHOLD,
5981 * Check HT operation mode based on
5982 * IEEE 802.11 2012 8.4.2.59 HT Operation element.
5984 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
5985 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
5987 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
5988 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
5989 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
5992 if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
5993 (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
5996 switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) {
5997 case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
5998 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
5999 if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)
6002 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
6003 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
6004 if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
6008 cfg->ht_opmode = ht_opmode;
6009 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
6011 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
6013 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6015 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535,
6016 mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6018 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6019 dot11MeshHWMPconfirmationInterval,
6021 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6023 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode,
6024 NL80211_MESH_POWER_ACTIVE,
6025 NL80211_MESH_POWER_MAX,
6026 mask, NL80211_MESHCONF_POWER_MODE,
6027 nl80211_check_power_mode);
6028 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration,
6030 NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16);
6031 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff,
6032 mask, NL80211_MESHCONF_PLINK_TIMEOUT,
6039 #undef FILL_IN_MESH_PARAM_IF_SET
6042 static int nl80211_parse_mesh_setup(struct genl_info *info,
6043 struct mesh_setup *setup)
6045 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6046 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
6048 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
6050 if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
6051 info->attrs[NL80211_ATTR_MESH_SETUP],
6052 nl80211_mesh_setup_params_policy, info->extack))
6055 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
6056 setup->sync_method =
6057 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
6058 IEEE80211_SYNC_METHOD_VENDOR :
6059 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
6061 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
6062 setup->path_sel_proto =
6063 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
6064 IEEE80211_PATH_PROTOCOL_VENDOR :
6065 IEEE80211_PATH_PROTOCOL_HWMP;
6067 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
6068 setup->path_metric =
6069 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
6070 IEEE80211_PATH_METRIC_VENDOR :
6071 IEEE80211_PATH_METRIC_AIRTIME;
6073 if (tb[NL80211_MESH_SETUP_IE]) {
6074 struct nlattr *ieattr =
6075 tb[NL80211_MESH_SETUP_IE];
6076 if (!is_valid_ie_attr(ieattr))
6078 setup->ie = nla_data(ieattr);
6079 setup->ie_len = nla_len(ieattr);
6081 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
6082 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
6084 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
6085 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
6086 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
6087 if (setup->is_secure)
6088 setup->user_mpm = true;
6090 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6091 if (!setup->user_mpm)
6094 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6100 static int nl80211_update_mesh_config(struct sk_buff *skb,
6101 struct genl_info *info)
6103 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6104 struct net_device *dev = info->user_ptr[1];
6105 struct wireless_dev *wdev = dev->ieee80211_ptr;
6106 struct mesh_config cfg;
6110 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6113 if (!rdev->ops->update_mesh_config)
6116 err = nl80211_parse_mesh_config(info, &cfg, &mask);
6121 if (!wdev->mesh_id_len)
6125 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
6132 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6133 struct sk_buff *msg)
6135 struct nlattr *nl_reg_rules;
6138 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6139 (regdom->dfs_region &&
6140 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
6141 goto nla_put_failure;
6143 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
6145 goto nla_put_failure;
6147 for (i = 0; i < regdom->n_reg_rules; i++) {
6148 struct nlattr *nl_reg_rule;
6149 const struct ieee80211_reg_rule *reg_rule;
6150 const struct ieee80211_freq_range *freq_range;
6151 const struct ieee80211_power_rule *power_rule;
6152 unsigned int max_bandwidth_khz;
6154 reg_rule = ®dom->reg_rules[i];
6155 freq_range = ®_rule->freq_range;
6156 power_rule = ®_rule->power_rule;
6158 nl_reg_rule = nla_nest_start(msg, i);
6160 goto nla_put_failure;
6162 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6163 if (!max_bandwidth_khz)
6164 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6167 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6169 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6170 freq_range->start_freq_khz) ||
6171 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6172 freq_range->end_freq_khz) ||
6173 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
6174 max_bandwidth_khz) ||
6175 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6176 power_rule->max_antenna_gain) ||
6177 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
6178 power_rule->max_eirp) ||
6179 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6180 reg_rule->dfs_cac_ms))
6181 goto nla_put_failure;
6183 nla_nest_end(msg, nl_reg_rule);
6186 nla_nest_end(msg, nl_reg_rules);
6193 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
6195 const struct ieee80211_regdomain *regdom = NULL;
6196 struct cfg80211_registered_device *rdev;
6197 struct wiphy *wiphy = NULL;
6198 struct sk_buff *msg;
6201 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6205 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6206 NL80211_CMD_GET_REG);
6210 if (info->attrs[NL80211_ATTR_WIPHY]) {
6213 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
6216 return PTR_ERR(rdev);
6219 wiphy = &rdev->wiphy;
6220 self_managed = wiphy->regulatory_flags &
6221 REGULATORY_WIPHY_SELF_MANAGED;
6222 regdom = get_wiphy_regdom(wiphy);
6224 /* a self-managed-reg device must have a private regdom */
6225 if (WARN_ON(!regdom && self_managed)) {
6231 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6232 goto nla_put_failure;
6235 if (!wiphy && reg_last_request_cell_base() &&
6236 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6237 NL80211_USER_REG_HINT_CELL_BASE))
6238 goto nla_put_failure;
6243 regdom = rcu_dereference(cfg80211_regdomain);
6245 if (nl80211_put_regdom(regdom, msg))
6246 goto nla_put_failure_rcu;
6250 genlmsg_end(msg, hdr);
6251 return genlmsg_reply(msg, info);
6253 nla_put_failure_rcu:
6256 genlmsg_cancel(msg, hdr);
6262 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
6263 u32 seq, int flags, struct wiphy *wiphy,
6264 const struct ieee80211_regdomain *regdom)
6266 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
6267 NL80211_CMD_GET_REG);
6272 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
6274 if (nl80211_put_regdom(regdom, msg))
6275 goto nla_put_failure;
6277 if (!wiphy && reg_last_request_cell_base() &&
6278 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6279 NL80211_USER_REG_HINT_CELL_BASE))
6280 goto nla_put_failure;
6283 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6284 goto nla_put_failure;
6286 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
6287 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
6288 goto nla_put_failure;
6290 genlmsg_end(msg, hdr);
6294 genlmsg_cancel(msg, hdr);
6298 static int nl80211_get_reg_dump(struct sk_buff *skb,
6299 struct netlink_callback *cb)
6301 const struct ieee80211_regdomain *regdom = NULL;
6302 struct cfg80211_registered_device *rdev;
6303 int err, reg_idx, start = cb->args[2];
6307 if (cfg80211_regdomain && start == 0) {
6308 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6310 rtnl_dereference(cfg80211_regdomain));
6315 /* the global regdom is idx 0 */
6317 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
6318 regdom = get_wiphy_regdom(&rdev->wiphy);
6322 if (++reg_idx <= start)
6325 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6326 NLM_F_MULTI, &rdev->wiphy, regdom);
6333 cb->args[2] = reg_idx;
6340 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6341 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
6342 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6343 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6344 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6345 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6346 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6347 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6348 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
6351 static int parse_reg_rule(struct nlattr *tb[],
6352 struct ieee80211_reg_rule *reg_rule)
6354 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
6355 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
6357 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
6359 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
6361 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
6363 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
6365 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
6368 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
6370 freq_range->start_freq_khz =
6371 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
6372 freq_range->end_freq_khz =
6373 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
6374 freq_range->max_bandwidth_khz =
6375 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
6377 power_rule->max_eirp =
6378 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
6380 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
6381 power_rule->max_antenna_gain =
6382 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
6384 if (tb[NL80211_ATTR_DFS_CAC_TIME])
6385 reg_rule->dfs_cac_ms =
6386 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
6391 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
6393 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
6394 struct nlattr *nl_reg_rule;
6396 int rem_reg_rules, r;
6397 u32 num_rules = 0, rule_idx = 0, size_of_regd;
6398 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
6399 struct ieee80211_regdomain *rd;
6401 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6404 if (!info->attrs[NL80211_ATTR_REG_RULES])
6407 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6409 if (info->attrs[NL80211_ATTR_DFS_REGION])
6410 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
6412 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
6415 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
6419 if (!reg_is_valid_request(alpha2))
6422 size_of_regd = sizeof(struct ieee80211_regdomain) +
6423 num_rules * sizeof(struct ieee80211_reg_rule);
6425 rd = kzalloc(size_of_regd, GFP_KERNEL);
6429 rd->n_reg_rules = num_rules;
6430 rd->alpha2[0] = alpha2[0];
6431 rd->alpha2[1] = alpha2[1];
6434 * Disable DFS master mode if the DFS region was
6435 * not supported or known on this kernel.
6437 if (reg_supported_dfs_region(dfs_region))
6438 rd->dfs_region = dfs_region;
6440 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
6442 r = nla_parse_nested(tb, NL80211_REG_RULE_ATTR_MAX,
6443 nl_reg_rule, reg_rule_policy,
6447 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
6453 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
6459 /* set_regdom takes ownership of rd */
6460 return set_regdom(rd, REGD_SOURCE_CRDA);
6465 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
6467 static int validate_scan_freqs(struct nlattr *freqs)
6469 struct nlattr *attr1, *attr2;
6470 int n_channels = 0, tmp1, tmp2;
6472 nla_for_each_nested(attr1, freqs, tmp1) {
6475 * Some hardware has a limited channel list for
6476 * scanning, and it is pretty much nonsensical
6477 * to scan for a channel twice, so disallow that
6478 * and don't require drivers to check that the
6479 * channel list they get isn't longer than what
6480 * they can scan, as long as they can scan all
6481 * the channels they registered at once.
6483 nla_for_each_nested(attr2, freqs, tmp2)
6484 if (attr1 != attr2 &&
6485 nla_get_u32(attr1) == nla_get_u32(attr2))
6492 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
6494 return b < NUM_NL80211_BANDS && wiphy->bands[b];
6497 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
6498 struct cfg80211_bss_selection *bss_select)
6500 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
6501 struct nlattr *nest;
6506 /* only process one nested attribute */
6507 nest = nla_data(nla);
6508 if (!nla_ok(nest, nla_len(nest)))
6511 err = nla_parse_nested(attr, NL80211_BSS_SELECT_ATTR_MAX, nest,
6512 nl80211_bss_select_policy, NULL);
6516 /* only one attribute may be given */
6517 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
6525 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
6527 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
6528 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
6530 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
6531 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
6532 bss_select->param.band_pref =
6533 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
6534 if (!is_band_valid(wiphy, bss_select->param.band_pref))
6538 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
6539 struct nl80211_bss_select_rssi_adjust *adj_param;
6541 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
6542 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
6543 bss_select->param.adjust.band = adj_param->band;
6544 bss_select->param.adjust.delta = adj_param->delta;
6545 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
6549 /* user-space did not provide behaviour attribute */
6550 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
6553 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
6559 static int nl80211_parse_random_mac(struct nlattr **attrs,
6560 u8 *mac_addr, u8 *mac_addr_mask)
6564 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
6565 eth_zero_addr(mac_addr);
6566 eth_zero_addr(mac_addr_mask);
6568 mac_addr_mask[0] = 0x3;
6573 /* need both or none */
6574 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
6577 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
6578 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
6580 /* don't allow or configure an mcast address */
6581 if (!is_multicast_ether_addr(mac_addr_mask) ||
6582 is_multicast_ether_addr(mac_addr))
6586 * allow users to pass a MAC address that has bits set outside
6587 * of the mask, but don't bother drivers with having to deal
6590 for (i = 0; i < ETH_ALEN; i++)
6591 mac_addr[i] &= mac_addr_mask[i];
6596 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
6598 ASSERT_WDEV_LOCK(wdev);
6600 if (!cfg80211_beaconing_iface_active(wdev))
6603 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
6606 return regulatory_pre_cac_allowed(wdev->wiphy);
6609 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
6611 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6612 struct wireless_dev *wdev = info->user_ptr[1];
6613 struct cfg80211_scan_request *request;
6614 struct nlattr *attr;
6615 struct wiphy *wiphy;
6616 int err, tmp, n_ssids = 0, n_channels, i;
6619 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6622 wiphy = &rdev->wiphy;
6624 if (wdev->iftype == NL80211_IFTYPE_NAN)
6627 if (!rdev->ops->scan)
6630 if (rdev->scan_req || rdev->scan_msg) {
6635 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
6636 n_channels = validate_scan_freqs(
6637 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
6643 n_channels = ieee80211_get_num_supported_channels(wiphy);
6646 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
6647 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
6650 if (n_ssids > wiphy->max_scan_ssids) {
6655 if (info->attrs[NL80211_ATTR_IE])
6656 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6660 if (ie_len > wiphy->max_scan_ie_len) {
6665 request = kzalloc(sizeof(*request)
6666 + sizeof(*request->ssids) * n_ssids
6667 + sizeof(*request->channels) * n_channels
6668 + ie_len, GFP_KERNEL);
6675 request->ssids = (void *)&request->channels[n_channels];
6676 request->n_ssids = n_ssids;
6679 request->ie = (void *)(request->ssids + n_ssids);
6681 request->ie = (void *)(request->channels + n_channels);
6685 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
6686 /* user specified, bail out if channel not found */
6687 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
6688 struct ieee80211_channel *chan;
6690 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
6697 /* ignore disabled channels */
6698 if (chan->flags & IEEE80211_CHAN_DISABLED)
6701 request->channels[i] = chan;
6705 enum nl80211_band band;
6708 for (band = 0; band < NUM_NL80211_BANDS; band++) {
6711 if (!wiphy->bands[band])
6713 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
6714 struct ieee80211_channel *chan;
6716 chan = &wiphy->bands[band]->channels[j];
6718 if (chan->flags & IEEE80211_CHAN_DISABLED)
6721 request->channels[i] = chan;
6732 request->n_channels = i;
6735 if (!cfg80211_off_channel_oper_allowed(wdev)) {
6736 struct ieee80211_channel *chan;
6738 if (request->n_channels != 1) {
6744 chan = request->channels[0];
6745 if (chan->center_freq != wdev->chandef.chan->center_freq) {
6755 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
6756 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
6760 request->ssids[i].ssid_len = nla_len(attr);
6761 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
6766 if (info->attrs[NL80211_ATTR_IE]) {
6767 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6768 memcpy((void *)request->ie,
6769 nla_data(info->attrs[NL80211_ATTR_IE]),
6773 for (i = 0; i < NUM_NL80211_BANDS; i++)
6774 if (wiphy->bands[i])
6776 (1 << wiphy->bands[i]->n_bitrates) - 1;
6778 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
6779 nla_for_each_nested(attr,
6780 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
6782 enum nl80211_band band = nla_type(attr);
6784 if (band < 0 || band >= NUM_NL80211_BANDS) {
6789 if (!wiphy->bands[band])
6792 err = ieee80211_get_ratemask(wiphy->bands[band],
6795 &request->rates[band]);
6801 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
6802 if (!wiphy_ext_feature_isset(wiphy,
6803 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
6809 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
6810 request->duration_mandatory =
6811 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
6814 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
6815 request->flags = nla_get_u32(
6816 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
6817 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
6818 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
6823 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
6824 if (!(wiphy->features &
6825 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) {
6830 if (wdev->current_bss) {
6835 err = nl80211_parse_random_mac(info->attrs,
6837 request->mac_addr_mask);
6844 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
6846 /* Initial implementation used NL80211_ATTR_MAC to set the specific
6847 * BSSID to scan for. This was problematic because that same attribute
6848 * was already used for another purpose (local random MAC address). The
6849 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
6850 * compatibility with older userspace components, also use the
6851 * NL80211_ATTR_MAC value here if it can be determined to be used for
6852 * the specific BSSID use case instead of the random MAC address
6853 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
6855 if (info->attrs[NL80211_ATTR_BSSID])
6856 memcpy(request->bssid,
6857 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
6858 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
6859 info->attrs[NL80211_ATTR_MAC])
6860 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
6863 eth_broadcast_addr(request->bssid);
6865 request->wdev = wdev;
6866 request->wiphy = &rdev->wiphy;
6867 request->scan_start = jiffies;
6869 rdev->scan_req = request;
6870 err = rdev_scan(rdev, request);
6873 nl80211_send_scan_start(rdev, wdev);
6875 dev_hold(wdev->netdev);
6878 rdev->scan_req = NULL;
6886 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
6888 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6889 struct wireless_dev *wdev = info->user_ptr[1];
6891 if (!rdev->ops->abort_scan)
6897 if (!rdev->scan_req)
6900 rdev_abort_scan(rdev, wdev);
6905 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
6906 struct cfg80211_sched_scan_request *request,
6907 struct nlattr **attrs)
6909 int tmp, err, i = 0;
6910 struct nlattr *attr;
6912 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
6916 * If scan plans are not specified,
6917 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
6918 * case one scan plan will be set with the specified scan
6919 * interval and infinite number of iterations.
6921 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
6925 request->scan_plans[0].interval =
6926 DIV_ROUND_UP(interval, MSEC_PER_SEC);
6927 if (!request->scan_plans[0].interval)
6930 if (request->scan_plans[0].interval >
6931 wiphy->max_sched_scan_plan_interval)
6932 request->scan_plans[0].interval =
6933 wiphy->max_sched_scan_plan_interval;
6938 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
6939 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
6941 if (WARN_ON(i >= n_plans))
6944 err = nla_parse_nested(plan, NL80211_SCHED_SCAN_PLAN_MAX,
6945 attr, nl80211_plan_policy, NULL);
6949 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
6952 request->scan_plans[i].interval =
6953 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
6954 if (!request->scan_plans[i].interval ||
6955 request->scan_plans[i].interval >
6956 wiphy->max_sched_scan_plan_interval)
6959 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
6960 request->scan_plans[i].iterations =
6961 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
6962 if (!request->scan_plans[i].iterations ||
6963 (request->scan_plans[i].iterations >
6964 wiphy->max_sched_scan_plan_iterations))
6966 } else if (i < n_plans - 1) {
6968 * All scan plans but the last one must specify
6969 * a finite number of iterations
6978 * The last scan plan must not specify the number of
6979 * iterations, it is supposed to run infinitely
6981 if (request->scan_plans[n_plans - 1].iterations)
6987 static struct cfg80211_sched_scan_request *
6988 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
6989 struct nlattr **attrs, int max_match_sets)
6991 struct cfg80211_sched_scan_request *request;
6992 struct nlattr *attr;
6993 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
6994 enum nl80211_band band;
6996 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
6997 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
6999 if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE]))
7000 return ERR_PTR(-EINVAL);
7002 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7003 n_channels = validate_scan_freqs(
7004 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7006 return ERR_PTR(-EINVAL);
7008 n_channels = ieee80211_get_num_supported_channels(wiphy);
7011 if (attrs[NL80211_ATTR_SCAN_SSIDS])
7012 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7016 if (n_ssids > wiphy->max_sched_scan_ssids)
7017 return ERR_PTR(-EINVAL);
7020 * First, count the number of 'real' matchsets. Due to an issue with
7021 * the old implementation, matchsets containing only the RSSI attribute
7022 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7023 * RSSI for all matchsets, rather than their own matchset for reporting
7024 * all APs with a strong RSSI. This is needed to be compatible with
7025 * older userspace that treated a matchset with only the RSSI as the
7026 * global RSSI for all other matchsets - if there are other matchsets.
7028 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7029 nla_for_each_nested(attr,
7030 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7032 struct nlattr *rssi;
7034 err = nla_parse_nested(tb,
7035 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7036 attr, nl80211_match_policy,
7039 return ERR_PTR(err);
7041 /* SSID and BSSID are mutually exclusive */
7042 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
7043 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
7044 return ERR_PTR(-EINVAL);
7046 /* add other standalone attributes here */
7047 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
7048 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
7052 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7054 default_match_rssi = nla_get_s32(rssi);
7058 /* However, if there's no other matchset, add the RSSI one */
7059 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
7062 if (n_match_sets > max_match_sets)
7063 return ERR_PTR(-EINVAL);
7065 if (attrs[NL80211_ATTR_IE])
7066 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
7070 if (ie_len > wiphy->max_sched_scan_ie_len)
7071 return ERR_PTR(-EINVAL);
7073 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7075 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7076 * each scan plan already specifies its own interval
7078 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7079 return ERR_PTR(-EINVAL);
7081 nla_for_each_nested(attr,
7082 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
7086 * The scan interval attribute is kept for backward
7087 * compatibility. If no scan plans are specified and sched scan
7088 * interval is specified, one scan plan will be set with this
7089 * scan interval and infinite number of iterations.
7091 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7092 return ERR_PTR(-EINVAL);
7097 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
7098 return ERR_PTR(-EINVAL);
7100 if (!wiphy_ext_feature_isset(
7101 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
7102 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
7103 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
7104 return ERR_PTR(-EINVAL);
7106 request = kzalloc(sizeof(*request)
7107 + sizeof(*request->ssids) * n_ssids
7108 + sizeof(*request->match_sets) * n_match_sets
7109 + sizeof(*request->scan_plans) * n_plans
7110 + sizeof(*request->channels) * n_channels
7111 + ie_len, GFP_KERNEL);
7113 return ERR_PTR(-ENOMEM);
7116 request->ssids = (void *)&request->channels[n_channels];
7117 request->n_ssids = n_ssids;
7120 request->ie = (void *)(request->ssids + n_ssids);
7122 request->ie = (void *)(request->channels + n_channels);
7127 request->match_sets = (void *)(request->ie + ie_len);
7129 request->match_sets =
7130 (void *)(request->ssids + n_ssids);
7132 request->match_sets =
7133 (void *)(request->channels + n_channels);
7135 request->n_match_sets = n_match_sets;
7138 request->scan_plans = (void *)(request->match_sets +
7140 else if (request->ie)
7141 request->scan_plans = (void *)(request->ie + ie_len);
7143 request->scan_plans = (void *)(request->ssids + n_ssids);
7145 request->scan_plans = (void *)(request->channels + n_channels);
7147 request->n_scan_plans = n_plans;
7150 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7151 /* user specified, bail out if channel not found */
7152 nla_for_each_nested(attr,
7153 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
7155 struct ieee80211_channel *chan;
7157 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7164 /* ignore disabled channels */
7165 if (chan->flags & IEEE80211_CHAN_DISABLED)
7168 request->channels[i] = chan;
7173 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7176 if (!wiphy->bands[band])
7178 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7179 struct ieee80211_channel *chan;
7181 chan = &wiphy->bands[band]->channels[j];
7183 if (chan->flags & IEEE80211_CHAN_DISABLED)
7186 request->channels[i] = chan;
7197 request->n_channels = i;
7201 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7203 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7207 request->ssids[i].ssid_len = nla_len(attr);
7208 memcpy(request->ssids[i].ssid, nla_data(attr),
7215 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7216 nla_for_each_nested(attr,
7217 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7219 struct nlattr *ssid, *bssid, *rssi;
7221 err = nla_parse_nested(tb,
7222 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7223 attr, nl80211_match_policy,
7227 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
7228 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
7229 if (ssid || bssid) {
7230 if (WARN_ON(i >= n_match_sets)) {
7231 /* this indicates a programming error,
7232 * the loop above should have verified
7240 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
7244 memcpy(request->match_sets[i].ssid.ssid,
7245 nla_data(ssid), nla_len(ssid));
7246 request->match_sets[i].ssid.ssid_len =
7250 if (nla_len(bssid) != ETH_ALEN) {
7254 memcpy(request->match_sets[i].bssid,
7255 nla_data(bssid), ETH_ALEN);
7258 /* special attribute - old implementation w/a */
7259 request->match_sets[i].rssi_thold =
7261 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7263 request->match_sets[i].rssi_thold =
7269 /* there was no other matchset, so the RSSI one is alone */
7270 if (i == 0 && n_match_sets)
7271 request->match_sets[0].rssi_thold = default_match_rssi;
7273 request->min_rssi_thold = INT_MAX;
7274 for (i = 0; i < n_match_sets; i++)
7275 request->min_rssi_thold =
7276 min(request->match_sets[i].rssi_thold,
7277 request->min_rssi_thold);
7279 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
7283 request->ie_len = ie_len;
7284 memcpy((void *)request->ie,
7285 nla_data(attrs[NL80211_ATTR_IE]),
7289 if (attrs[NL80211_ATTR_SCAN_FLAGS]) {
7290 request->flags = nla_get_u32(
7291 attrs[NL80211_ATTR_SCAN_FLAGS]);
7292 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7293 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
7298 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7299 u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR;
7301 if (!wdev) /* must be net-detect */
7302 flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7304 if (!(wiphy->features & flg)) {
7309 if (wdev && wdev->current_bss) {
7314 err = nl80211_parse_random_mac(attrs, request->mac_addr,
7315 request->mac_addr_mask);
7321 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
7323 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
7325 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
7326 request->relative_rssi = nla_get_s8(
7327 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
7328 request->relative_rssi_set = true;
7331 if (request->relative_rssi_set &&
7332 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
7333 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
7335 rssi_adjust = nla_data(
7336 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
7337 request->rssi_adjust.band = rssi_adjust->band;
7338 request->rssi_adjust.delta = rssi_adjust->delta;
7339 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
7345 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
7349 request->scan_start = jiffies;
7355 return ERR_PTR(err);
7358 static int nl80211_start_sched_scan(struct sk_buff *skb,
7359 struct genl_info *info)
7361 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7362 struct net_device *dev = info->user_ptr[1];
7363 struct wireless_dev *wdev = dev->ieee80211_ptr;
7364 struct cfg80211_sched_scan_request *sched_scan_req;
7368 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
7371 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
7372 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
7376 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
7378 rdev->wiphy.max_match_sets);
7380 err = PTR_ERR_OR_ZERO(sched_scan_req);
7384 /* leave request id zero for legacy request
7385 * or if driver does not support multi-scheduled scan
7387 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) {
7388 while (!sched_scan_req->reqid)
7389 sched_scan_req->reqid = rdev->wiphy.cookie_counter++;
7392 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
7396 sched_scan_req->dev = dev;
7397 sched_scan_req->wiphy = &rdev->wiphy;
7399 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
7400 sched_scan_req->owner_nlportid = info->snd_portid;
7402 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
7404 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
7408 kfree(sched_scan_req);
7413 static int nl80211_stop_sched_scan(struct sk_buff *skb,
7414 struct genl_info *info)
7416 struct cfg80211_sched_scan_request *req;
7417 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7420 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
7423 if (info->attrs[NL80211_ATTR_COOKIE]) {
7424 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7425 return __cfg80211_stop_sched_scan(rdev, cookie, false);
7428 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
7429 struct cfg80211_sched_scan_request,
7431 if (!req || req->reqid ||
7432 (req->owner_nlportid &&
7433 req->owner_nlportid != info->snd_portid))
7436 return cfg80211_stop_sched_scan_req(rdev, req, false);
7439 static int nl80211_start_radar_detection(struct sk_buff *skb,
7440 struct genl_info *info)
7442 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7443 struct net_device *dev = info->user_ptr[1];
7444 struct wireless_dev *wdev = dev->ieee80211_ptr;
7445 struct cfg80211_chan_def chandef;
7446 enum nl80211_dfs_regions dfs_region;
7447 unsigned int cac_time_ms;
7450 dfs_region = reg_get_dfs_region(wdev->wiphy);
7451 if (dfs_region == NL80211_DFS_UNSET)
7454 err = nl80211_parse_chandef(rdev, info, &chandef);
7458 if (netif_carrier_ok(dev))
7461 if (wdev->cac_started)
7464 err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef,
7472 if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef))
7475 if (!rdev->ops->start_radar_detection)
7478 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
7479 if (WARN_ON(!cac_time_ms))
7480 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
7482 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
7484 wdev->chandef = chandef;
7485 wdev->cac_started = true;
7486 wdev->cac_start_time = jiffies;
7487 wdev->cac_time_ms = cac_time_ms;
7492 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
7494 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7495 struct net_device *dev = info->user_ptr[1];
7496 struct wireless_dev *wdev = dev->ieee80211_ptr;
7497 struct cfg80211_csa_settings params;
7498 /* csa_attrs is defined static to avoid waste of stack size - this
7499 * function is called under RTNL lock, so this should not be a problem.
7501 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
7503 bool need_new_beacon = false;
7504 bool need_handle_dfs_flag = true;
7508 if (!rdev->ops->channel_switch ||
7509 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
7512 switch (dev->ieee80211_ptr->iftype) {
7513 case NL80211_IFTYPE_AP:
7514 case NL80211_IFTYPE_P2P_GO:
7515 need_new_beacon = true;
7516 /* For all modes except AP the handle_dfs flag needs to be
7517 * supplied to tell the kernel that userspace will handle radar
7518 * events when they happen. Otherwise a switch to a channel
7519 * requiring DFS will be rejected.
7521 need_handle_dfs_flag = false;
7523 /* useless if AP is not running */
7524 if (!wdev->beacon_interval)
7527 case NL80211_IFTYPE_ADHOC:
7528 if (!wdev->ssid_len)
7531 case NL80211_IFTYPE_MESH_POINT:
7532 if (!wdev->mesh_id_len)
7539 memset(¶ms, 0, sizeof(params));
7541 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
7542 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
7545 /* only important for AP, IBSS and mesh create IEs internally */
7546 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
7549 /* Even though the attribute is u32, the specification says
7550 * u8, so let's make sure we don't overflow.
7552 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
7556 params.count = cs_count;
7558 if (!need_new_beacon)
7561 err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after);
7565 err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX,
7566 info->attrs[NL80211_ATTR_CSA_IES],
7567 nl80211_policy, info->extack);
7571 err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa);
7575 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
7578 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
7579 if (!len || (len % sizeof(u16)))
7582 params.n_counter_offsets_beacon = len / sizeof(u16);
7583 if (rdev->wiphy.max_num_csa_counters &&
7584 (params.n_counter_offsets_beacon >
7585 rdev->wiphy.max_num_csa_counters))
7588 params.counter_offsets_beacon =
7589 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
7591 /* sanity checks - counters should fit and be the same */
7592 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
7593 u16 offset = params.counter_offsets_beacon[i];
7595 if (offset >= params.beacon_csa.tail_len)
7598 if (params.beacon_csa.tail[offset] != params.count)
7602 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
7603 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
7604 if (!len || (len % sizeof(u16)))
7607 params.n_counter_offsets_presp = len / sizeof(u16);
7608 if (rdev->wiphy.max_num_csa_counters &&
7609 (params.n_counter_offsets_presp >
7610 rdev->wiphy.max_num_csa_counters))
7613 params.counter_offsets_presp =
7614 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
7616 /* sanity checks - counters should fit and be the same */
7617 for (i = 0; i < params.n_counter_offsets_presp; i++) {
7618 u16 offset = params.counter_offsets_presp[i];
7620 if (offset >= params.beacon_csa.probe_resp_len)
7623 if (params.beacon_csa.probe_resp[offset] !=
7630 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
7634 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
7638 err = cfg80211_chandef_dfs_required(wdev->wiphy,
7645 params.radar_required = true;
7646 if (need_handle_dfs_flag &&
7647 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
7652 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
7653 params.block_tx = true;
7656 err = rdev_channel_switch(rdev, dev, ¶ms);
7662 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
7664 struct cfg80211_registered_device *rdev,
7665 struct wireless_dev *wdev,
7666 struct cfg80211_internal_bss *intbss)
7668 struct cfg80211_bss *res = &intbss->pub;
7669 const struct cfg80211_bss_ies *ies;
7673 ASSERT_WDEV_LOCK(wdev);
7675 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7676 NL80211_CMD_NEW_SCAN_RESULTS);
7680 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
7682 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
7683 goto nla_put_failure;
7685 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
7686 goto nla_put_failure;
7687 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
7689 goto nla_put_failure;
7691 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
7693 goto nla_put_failure;
7694 if ((!is_zero_ether_addr(res->bssid) &&
7695 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
7696 goto nla_put_failure;
7699 /* indicate whether we have probe response data or not */
7700 if (rcu_access_pointer(res->proberesp_ies) &&
7701 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
7702 goto fail_unlock_rcu;
7704 /* this pointer prefers to be pointed to probe response data
7705 * but is always valid
7707 ies = rcu_dereference(res->ies);
7709 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
7711 goto fail_unlock_rcu;
7712 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
7713 ies->len, ies->data))
7714 goto fail_unlock_rcu;
7717 /* and this pointer is always (unless driver didn't know) beacon data */
7718 ies = rcu_dereference(res->beacon_ies);
7719 if (ies && ies->from_beacon) {
7720 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
7722 goto fail_unlock_rcu;
7723 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
7724 ies->len, ies->data))
7725 goto fail_unlock_rcu;
7729 if (res->beacon_interval &&
7730 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
7731 goto nla_put_failure;
7732 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
7733 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
7734 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
7735 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
7736 jiffies_to_msecs(jiffies - intbss->ts)))
7737 goto nla_put_failure;
7739 if (intbss->parent_tsf &&
7740 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
7741 intbss->parent_tsf, NL80211_BSS_PAD) ||
7742 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
7743 intbss->parent_bssid)))
7744 goto nla_put_failure;
7746 if (intbss->ts_boottime &&
7747 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
7748 intbss->ts_boottime, NL80211_BSS_PAD))
7749 goto nla_put_failure;
7751 switch (rdev->wiphy.signal_type) {
7752 case CFG80211_SIGNAL_TYPE_MBM:
7753 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
7754 goto nla_put_failure;
7756 case CFG80211_SIGNAL_TYPE_UNSPEC:
7757 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
7758 goto nla_put_failure;
7764 switch (wdev->iftype) {
7765 case NL80211_IFTYPE_P2P_CLIENT:
7766 case NL80211_IFTYPE_STATION:
7767 if (intbss == wdev->current_bss &&
7768 nla_put_u32(msg, NL80211_BSS_STATUS,
7769 NL80211_BSS_STATUS_ASSOCIATED))
7770 goto nla_put_failure;
7772 case NL80211_IFTYPE_ADHOC:
7773 if (intbss == wdev->current_bss &&
7774 nla_put_u32(msg, NL80211_BSS_STATUS,
7775 NL80211_BSS_STATUS_IBSS_JOINED))
7776 goto nla_put_failure;
7782 nla_nest_end(msg, bss);
7784 genlmsg_end(msg, hdr);
7790 genlmsg_cancel(msg, hdr);
7794 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
7796 struct cfg80211_registered_device *rdev;
7797 struct cfg80211_internal_bss *scan;
7798 struct wireless_dev *wdev;
7799 int start = cb->args[2], idx = 0;
7803 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
7810 spin_lock_bh(&rdev->bss_lock);
7811 cfg80211_bss_expire(rdev);
7813 cb->seq = rdev->bss_generation;
7815 list_for_each_entry(scan, &rdev->bss_list, list) {
7818 if (nl80211_send_bss(skb, cb,
7819 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7820 rdev, wdev, scan) < 0) {
7826 spin_unlock_bh(&rdev->bss_lock);
7835 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
7836 int flags, struct net_device *dev,
7837 bool allow_radio_stats,
7838 struct survey_info *survey)
7841 struct nlattr *infoattr;
7843 /* skip radio stats if userspace didn't request them */
7844 if (!survey->channel && !allow_radio_stats)
7847 hdr = nl80211hdr_put(msg, portid, seq, flags,
7848 NL80211_CMD_NEW_SURVEY_RESULTS);
7852 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
7853 goto nla_put_failure;
7855 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
7857 goto nla_put_failure;
7859 if (survey->channel &&
7860 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
7861 survey->channel->center_freq))
7862 goto nla_put_failure;
7864 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
7865 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
7866 goto nla_put_failure;
7867 if ((survey->filled & SURVEY_INFO_IN_USE) &&
7868 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
7869 goto nla_put_failure;
7870 if ((survey->filled & SURVEY_INFO_TIME) &&
7871 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
7872 survey->time, NL80211_SURVEY_INFO_PAD))
7873 goto nla_put_failure;
7874 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
7875 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
7876 survey->time_busy, NL80211_SURVEY_INFO_PAD))
7877 goto nla_put_failure;
7878 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
7879 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
7880 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
7881 goto nla_put_failure;
7882 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
7883 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
7884 survey->time_rx, NL80211_SURVEY_INFO_PAD))
7885 goto nla_put_failure;
7886 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
7887 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
7888 survey->time_tx, NL80211_SURVEY_INFO_PAD))
7889 goto nla_put_failure;
7890 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
7891 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
7892 survey->time_scan, NL80211_SURVEY_INFO_PAD))
7893 goto nla_put_failure;
7895 nla_nest_end(msg, infoattr);
7897 genlmsg_end(msg, hdr);
7901 genlmsg_cancel(msg, hdr);
7905 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
7907 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
7908 struct survey_info survey;
7909 struct cfg80211_registered_device *rdev;
7910 struct wireless_dev *wdev;
7911 int survey_idx = cb->args[2];
7916 res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
7920 /* prepare_wdev_dump parsed the attributes */
7921 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
7923 if (!wdev->netdev) {
7928 if (!rdev->ops->dump_survey) {
7934 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
7940 /* don't send disabled channels, but do send non-channel data */
7941 if (survey.channel &&
7942 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
7947 if (nl80211_send_survey(skb,
7948 NETLINK_CB(cb->skb).portid,
7949 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7950 wdev->netdev, radio_stats, &survey) < 0)
7956 cb->args[2] = survey_idx;
7963 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
7965 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
7966 NL80211_WPA_VERSION_2));
7969 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
7971 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7972 struct net_device *dev = info->user_ptr[1];
7973 struct ieee80211_channel *chan;
7974 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
7975 int err, ssid_len, ie_len = 0, auth_data_len = 0;
7976 enum nl80211_auth_type auth_type;
7977 struct key_parse key;
7978 bool local_state_change;
7980 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
7983 if (!info->attrs[NL80211_ATTR_MAC])
7986 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
7989 if (!info->attrs[NL80211_ATTR_SSID])
7992 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
7995 err = nl80211_parse_key(info, &key);
8000 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
8002 if (!key.p.key || !key.p.key_len)
8004 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
8005 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
8006 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
8007 key.p.key_len != WLAN_KEY_LEN_WEP104))
8020 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
8021 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
8030 if (!rdev->ops->auth)
8033 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8034 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8037 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8038 chan = nl80211_get_valid_chan(&rdev->wiphy,
8039 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8043 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8044 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8046 if (info->attrs[NL80211_ATTR_IE]) {
8047 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8048 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8051 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
8052 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
8055 if ((auth_type == NL80211_AUTHTYPE_SAE ||
8056 auth_type == NL80211_AUTHTYPE_FILS_SK ||
8057 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
8058 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
8059 !info->attrs[NL80211_ATTR_AUTH_DATA])
8062 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
8063 if (auth_type != NL80211_AUTHTYPE_SAE &&
8064 auth_type != NL80211_AUTHTYPE_FILS_SK &&
8065 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
8066 auth_type != NL80211_AUTHTYPE_FILS_PK)
8068 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
8069 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
8070 /* need to include at least Auth Transaction and Status Code */
8071 if (auth_data_len < 4)
8075 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8078 * Since we no longer track auth state, ignore
8079 * requests to only change local state.
8081 if (local_state_change)
8084 wdev_lock(dev->ieee80211_ptr);
8085 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
8086 ssid, ssid_len, ie, ie_len,
8087 key.p.key, key.p.key_len, key.idx,
8088 auth_data, auth_data_len);
8089 wdev_unlock(dev->ieee80211_ptr);
8093 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
8094 struct genl_info *info,
8095 struct cfg80211_crypto_settings *settings,
8098 memset(settings, 0, sizeof(*settings));
8100 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
8102 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
8105 proto = nla_get_u16(
8106 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
8107 settings->control_port_ethertype = cpu_to_be16(proto);
8108 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
8111 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
8112 settings->control_port_no_encrypt = true;
8114 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
8116 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
8120 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8121 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8122 settings->n_ciphers_pairwise = len / sizeof(u32);
8124 if (len % sizeof(u32))
8127 if (settings->n_ciphers_pairwise > cipher_limit)
8130 memcpy(settings->ciphers_pairwise, data, len);
8132 for (i = 0; i < settings->n_ciphers_pairwise; i++)
8133 if (!cfg80211_supported_cipher_suite(
8135 settings->ciphers_pairwise[i]))
8139 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
8140 settings->cipher_group =
8141 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
8142 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
8143 settings->cipher_group))
8147 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
8148 settings->wpa_versions =
8149 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
8150 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
8154 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
8158 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
8159 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
8160 settings->n_akm_suites = len / sizeof(u32);
8162 if (len % sizeof(u32))
8165 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
8168 memcpy(settings->akm_suites, data, len);
8171 if (info->attrs[NL80211_ATTR_PMK]) {
8172 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
8174 if (!wiphy_ext_feature_isset(&rdev->wiphy,
8175 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
8177 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
8183 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
8185 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8186 struct net_device *dev = info->user_ptr[1];
8187 struct ieee80211_channel *chan;
8188 struct cfg80211_assoc_request req = {};
8189 const u8 *bssid, *ssid;
8190 int err, ssid_len = 0;
8192 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8195 if (!info->attrs[NL80211_ATTR_MAC] ||
8196 !info->attrs[NL80211_ATTR_SSID] ||
8197 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
8200 if (!rdev->ops->assoc)
8203 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8204 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8207 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8209 chan = nl80211_get_valid_chan(&rdev->wiphy,
8210 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8214 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8215 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8217 if (info->attrs[NL80211_ATTR_IE]) {
8218 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8219 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8222 if (info->attrs[NL80211_ATTR_USE_MFP]) {
8223 enum nl80211_mfp mfp =
8224 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
8225 if (mfp == NL80211_MFP_REQUIRED)
8227 else if (mfp != NL80211_MFP_NO)
8231 if (info->attrs[NL80211_ATTR_PREV_BSSID])
8232 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
8234 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
8235 req.flags |= ASSOC_REQ_DISABLE_HT;
8237 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8238 memcpy(&req.ht_capa_mask,
8239 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
8240 sizeof(req.ht_capa_mask));
8242 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
8243 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8245 memcpy(&req.ht_capa,
8246 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
8247 sizeof(req.ht_capa));
8250 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
8251 req.flags |= ASSOC_REQ_DISABLE_VHT;
8253 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
8254 memcpy(&req.vht_capa_mask,
8255 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
8256 sizeof(req.vht_capa_mask));
8258 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
8259 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
8261 memcpy(&req.vht_capa,
8262 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
8263 sizeof(req.vht_capa));
8266 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
8267 if (!((rdev->wiphy.features &
8268 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
8269 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
8270 !wiphy_ext_feature_isset(&rdev->wiphy,
8271 NL80211_EXT_FEATURE_RRM))
8273 req.flags |= ASSOC_REQ_USE_RRM;
8276 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
8277 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
8278 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
8279 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
8282 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
8285 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
8287 wdev_lock(dev->ieee80211_ptr);
8289 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
8290 ssid, ssid_len, &req);
8292 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
8293 dev->ieee80211_ptr->conn_owner_nlportid =
8295 memcpy(dev->ieee80211_ptr->disconnect_bssid,
8299 wdev_unlock(dev->ieee80211_ptr);
8305 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
8307 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8308 struct net_device *dev = info->user_ptr[1];
8309 const u8 *ie = NULL, *bssid;
8310 int ie_len = 0, err;
8312 bool local_state_change;
8314 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8317 if (!info->attrs[NL80211_ATTR_MAC])
8320 if (!info->attrs[NL80211_ATTR_REASON_CODE])
8323 if (!rdev->ops->deauth)
8326 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8327 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8330 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8332 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
8333 if (reason_code == 0) {
8334 /* Reason Code 0 is reserved */
8338 if (info->attrs[NL80211_ATTR_IE]) {
8339 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8340 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8343 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8345 wdev_lock(dev->ieee80211_ptr);
8346 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
8347 local_state_change);
8348 wdev_unlock(dev->ieee80211_ptr);
8352 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
8354 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8355 struct net_device *dev = info->user_ptr[1];
8356 const u8 *ie = NULL, *bssid;
8357 int ie_len = 0, err;
8359 bool local_state_change;
8361 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8364 if (!info->attrs[NL80211_ATTR_MAC])
8367 if (!info->attrs[NL80211_ATTR_REASON_CODE])
8370 if (!rdev->ops->disassoc)
8373 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8374 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8377 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8379 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
8380 if (reason_code == 0) {
8381 /* Reason Code 0 is reserved */
8385 if (info->attrs[NL80211_ATTR_IE]) {
8386 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8387 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8390 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8392 wdev_lock(dev->ieee80211_ptr);
8393 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
8394 local_state_change);
8395 wdev_unlock(dev->ieee80211_ptr);
8400 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
8401 int mcast_rate[NUM_NL80211_BANDS],
8404 struct wiphy *wiphy = &rdev->wiphy;
8408 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8409 struct ieee80211_supported_band *sband;
8411 sband = wiphy->bands[band];
8415 for (i = 0; i < sband->n_bitrates; i++) {
8416 if (sband->bitrates[i].bitrate == rateval) {
8417 mcast_rate[band] = i + 1;
8427 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
8429 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8430 struct net_device *dev = info->user_ptr[1];
8431 struct cfg80211_ibss_params ibss;
8432 struct wiphy *wiphy;
8433 struct cfg80211_cached_keys *connkeys = NULL;
8436 memset(&ibss, 0, sizeof(ibss));
8438 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8441 if (!info->attrs[NL80211_ATTR_SSID] ||
8442 !nla_len(info->attrs[NL80211_ATTR_SSID]))
8445 ibss.beacon_interval = 100;
8447 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
8448 ibss.beacon_interval =
8449 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
8451 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
8452 ibss.beacon_interval);
8456 if (!rdev->ops->join_ibss)
8459 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
8462 wiphy = &rdev->wiphy;
8464 if (info->attrs[NL80211_ATTR_MAC]) {
8465 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8467 if (!is_valid_ether_addr(ibss.bssid))
8470 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8471 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8473 if (info->attrs[NL80211_ATTR_IE]) {
8474 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8475 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8478 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
8482 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
8483 NL80211_IFTYPE_ADHOC))
8486 switch (ibss.chandef.width) {
8487 case NL80211_CHAN_WIDTH_5:
8488 case NL80211_CHAN_WIDTH_10:
8489 case NL80211_CHAN_WIDTH_20_NOHT:
8491 case NL80211_CHAN_WIDTH_20:
8492 case NL80211_CHAN_WIDTH_40:
8493 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
8496 case NL80211_CHAN_WIDTH_80:
8497 case NL80211_CHAN_WIDTH_80P80:
8498 case NL80211_CHAN_WIDTH_160:
8499 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
8501 if (!wiphy_ext_feature_isset(&rdev->wiphy,
8502 NL80211_EXT_FEATURE_VHT_IBSS))
8509 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
8510 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
8512 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
8514 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8516 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8517 struct ieee80211_supported_band *sband =
8518 wiphy->bands[ibss.chandef.chan->band];
8520 err = ieee80211_get_ratemask(sband, rates, n_rates,
8526 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8527 memcpy(&ibss.ht_capa_mask,
8528 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
8529 sizeof(ibss.ht_capa_mask));
8531 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
8532 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8534 memcpy(&ibss.ht_capa,
8535 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
8536 sizeof(ibss.ht_capa));
8539 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
8540 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
8541 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
8544 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
8547 connkeys = nl80211_parse_connkeys(rdev,
8548 info->attrs[NL80211_ATTR_KEYS],
8550 if (IS_ERR(connkeys))
8551 return PTR_ERR(connkeys);
8553 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
8561 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
8563 ibss.userspace_handles_dfs =
8564 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
8566 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
8572 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
8574 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8575 struct net_device *dev = info->user_ptr[1];
8577 if (!rdev->ops->leave_ibss)
8580 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
8583 return cfg80211_leave_ibss(rdev, dev, false);
8586 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
8588 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8589 struct net_device *dev = info->user_ptr[1];
8590 int mcast_rate[NUM_NL80211_BANDS];
8594 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
8595 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
8596 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
8599 if (!rdev->ops->set_mcast_rate)
8602 memset(mcast_rate, 0, sizeof(mcast_rate));
8604 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
8607 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
8608 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
8611 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
8616 static struct sk_buff *
8617 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
8618 struct wireless_dev *wdev, int approxlen,
8619 u32 portid, u32 seq, enum nl80211_commands cmd,
8620 enum nl80211_attrs attr,
8621 const struct nl80211_vendor_cmd_info *info,
8624 struct sk_buff *skb;
8626 struct nlattr *data;
8628 skb = nlmsg_new(approxlen + 100, gfp);
8632 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
8638 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
8639 goto nla_put_failure;
8642 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
8644 goto nla_put_failure;
8645 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
8647 goto nla_put_failure;
8651 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
8652 wdev_id(wdev), NL80211_ATTR_PAD))
8653 goto nla_put_failure;
8655 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
8656 wdev->netdev->ifindex))
8657 goto nla_put_failure;
8660 data = nla_nest_start(skb, attr);
8662 goto nla_put_failure;
8664 ((void **)skb->cb)[0] = rdev;
8665 ((void **)skb->cb)[1] = hdr;
8666 ((void **)skb->cb)[2] = data;
8675 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
8676 struct wireless_dev *wdev,
8677 enum nl80211_commands cmd,
8678 enum nl80211_attrs attr,
8679 int vendor_event_idx,
8680 int approxlen, gfp_t gfp)
8682 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
8683 const struct nl80211_vendor_cmd_info *info;
8686 case NL80211_CMD_TESTMODE:
8687 if (WARN_ON(vendor_event_idx != -1))
8691 case NL80211_CMD_VENDOR:
8692 if (WARN_ON(vendor_event_idx < 0 ||
8693 vendor_event_idx >= wiphy->n_vendor_events))
8695 info = &wiphy->vendor_events[vendor_event_idx];
8702 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0,
8703 cmd, attr, info, gfp);
8705 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
8707 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
8709 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
8710 void *hdr = ((void **)skb->cb)[1];
8711 struct nlattr *data = ((void **)skb->cb)[2];
8712 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
8714 /* clear CB data for netlink core to own from now on */
8715 memset(skb->cb, 0, sizeof(skb->cb));
8717 nla_nest_end(skb, data);
8718 genlmsg_end(skb, hdr);
8720 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
8721 mcgrp = NL80211_MCGRP_VENDOR;
8723 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
8726 EXPORT_SYMBOL(__cfg80211_send_event_skb);
8728 #ifdef CONFIG_NL80211_TESTMODE
8729 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
8731 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8732 struct wireless_dev *wdev =
8733 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
8736 if (!rdev->ops->testmode_cmd)
8740 err = PTR_ERR(wdev);
8744 } else if (wdev->wiphy != &rdev->wiphy) {
8748 if (!info->attrs[NL80211_ATTR_TESTDATA])
8751 rdev->cur_cmd_info = info;
8752 err = rdev_testmode_cmd(rdev, wdev,
8753 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
8754 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
8755 rdev->cur_cmd_info = NULL;
8760 static int nl80211_testmode_dump(struct sk_buff *skb,
8761 struct netlink_callback *cb)
8763 struct cfg80211_registered_device *rdev;
8773 * 0 is a valid index, but not valid for args[0],
8774 * so we need to offset by 1.
8776 phy_idx = cb->args[0] - 1;
8778 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
8784 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
8786 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
8787 attrbuf, nl80211_fam.maxattr,
8788 nl80211_policy, NULL);
8792 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
8794 err = PTR_ERR(rdev);
8797 phy_idx = rdev->wiphy_idx;
8799 if (attrbuf[NL80211_ATTR_TESTDATA])
8800 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
8804 data = nla_data((void *)cb->args[1]);
8805 data_len = nla_len((void *)cb->args[1]);
8808 if (!rdev->ops->testmode_dump) {
8814 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
8815 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8816 NL80211_CMD_TESTMODE);
8817 struct nlattr *tmdata;
8822 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
8823 genlmsg_cancel(skb, hdr);
8827 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
8829 genlmsg_cancel(skb, hdr);
8832 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
8833 nla_nest_end(skb, tmdata);
8835 if (err == -ENOBUFS || err == -ENOENT) {
8836 genlmsg_cancel(skb, hdr);
8839 genlmsg_cancel(skb, hdr);
8843 genlmsg_end(skb, hdr);
8848 cb->args[0] = phy_idx + 1;
8855 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
8857 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8858 struct net_device *dev = info->user_ptr[1];
8859 struct cfg80211_connect_params connect;
8860 struct wiphy *wiphy;
8861 struct cfg80211_cached_keys *connkeys = NULL;
8864 memset(&connect, 0, sizeof(connect));
8866 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8869 if (!info->attrs[NL80211_ATTR_SSID] ||
8870 !nla_len(info->attrs[NL80211_ATTR_SSID]))
8873 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
8875 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
8876 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
8877 NL80211_CMD_CONNECT))
8880 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
8882 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
8884 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
8885 !wiphy_ext_feature_isset(&rdev->wiphy,
8886 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
8888 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
8890 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
8891 NL80211_MAX_NR_CIPHER_SUITES);
8895 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8896 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8899 wiphy = &rdev->wiphy;
8901 connect.bg_scan_period = -1;
8902 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
8903 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
8904 connect.bg_scan_period =
8905 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
8908 if (info->attrs[NL80211_ATTR_MAC])
8909 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8910 else if (info->attrs[NL80211_ATTR_MAC_HINT])
8911 connect.bssid_hint =
8912 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
8913 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8914 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8916 if (info->attrs[NL80211_ATTR_IE]) {
8917 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8918 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8921 if (info->attrs[NL80211_ATTR_USE_MFP]) {
8922 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
8923 if (connect.mfp != NL80211_MFP_REQUIRED &&
8924 connect.mfp != NL80211_MFP_NO)
8927 connect.mfp = NL80211_MFP_NO;
8930 if (info->attrs[NL80211_ATTR_PREV_BSSID])
8931 connect.prev_bssid =
8932 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
8934 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
8935 connect.channel = nl80211_get_valid_chan(
8936 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8937 if (!connect.channel)
8939 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
8940 connect.channel_hint = nl80211_get_valid_chan(
8941 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
8942 if (!connect.channel_hint)
8946 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
8947 connkeys = nl80211_parse_connkeys(rdev,
8948 info->attrs[NL80211_ATTR_KEYS], NULL);
8949 if (IS_ERR(connkeys))
8950 return PTR_ERR(connkeys);
8953 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
8954 connect.flags |= ASSOC_REQ_DISABLE_HT;
8956 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8957 memcpy(&connect.ht_capa_mask,
8958 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
8959 sizeof(connect.ht_capa_mask));
8961 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
8962 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
8966 memcpy(&connect.ht_capa,
8967 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
8968 sizeof(connect.ht_capa));
8971 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
8972 connect.flags |= ASSOC_REQ_DISABLE_VHT;
8974 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
8975 memcpy(&connect.vht_capa_mask,
8976 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
8977 sizeof(connect.vht_capa_mask));
8979 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
8980 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
8984 memcpy(&connect.vht_capa,
8985 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
8986 sizeof(connect.vht_capa));
8989 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
8990 if (!((rdev->wiphy.features &
8991 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
8992 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
8993 !wiphy_ext_feature_isset(&rdev->wiphy,
8994 NL80211_EXT_FEATURE_RRM)) {
8998 connect.flags |= ASSOC_REQ_USE_RRM;
9001 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
9002 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
9007 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
9008 /* bss selection makes no sense if bssid is set */
9009 if (connect.bssid) {
9014 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
9015 wiphy, &connect.bss_select);
9022 if (wiphy_ext_feature_isset(&rdev->wiphy,
9023 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
9024 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9025 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9026 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9027 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9028 connect.fils_erp_username =
9029 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9030 connect.fils_erp_username_len =
9031 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9032 connect.fils_erp_realm =
9033 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9034 connect.fils_erp_realm_len =
9035 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9036 connect.fils_erp_next_seq_num =
9038 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9039 connect.fils_erp_rrk =
9040 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9041 connect.fils_erp_rrk_len =
9042 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9043 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9044 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9045 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9046 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9051 wdev_lock(dev->ieee80211_ptr);
9053 err = cfg80211_connect(rdev, dev, &connect, connkeys,
9054 connect.prev_bssid);
9058 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9059 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9061 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9062 connect.bssid, ETH_ALEN);
9064 memset(dev->ieee80211_ptr->disconnect_bssid,
9068 wdev_unlock(dev->ieee80211_ptr);
9073 static int nl80211_update_connect_params(struct sk_buff *skb,
9074 struct genl_info *info)
9076 struct cfg80211_connect_params connect = {};
9077 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9078 struct net_device *dev = info->user_ptr[1];
9079 struct wireless_dev *wdev = dev->ieee80211_ptr;
9083 if (!rdev->ops->update_connect_params)
9086 if (info->attrs[NL80211_ATTR_IE]) {
9087 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
9089 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9090 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9091 changed |= UPDATE_ASSOC_IES;
9094 wdev_lock(dev->ieee80211_ptr);
9095 if (!wdev->current_bss)
9098 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
9099 wdev_unlock(dev->ieee80211_ptr);
9104 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
9106 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9107 struct net_device *dev = info->user_ptr[1];
9111 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9112 reason = WLAN_REASON_DEAUTH_LEAVING;
9114 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9119 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9120 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9123 wdev_lock(dev->ieee80211_ptr);
9124 ret = cfg80211_disconnect(rdev, dev, reason, true);
9125 wdev_unlock(dev->ieee80211_ptr);
9129 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
9131 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9135 if (info->attrs[NL80211_ATTR_PID]) {
9136 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
9138 net = get_net_ns_by_pid(pid);
9139 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
9140 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
9142 net = get_net_ns_by_fd(fd);
9148 return PTR_ERR(net);
9152 /* check if anything to do */
9153 if (!net_eq(wiphy_net(&rdev->wiphy), net))
9154 err = cfg80211_switch_netns(rdev, net);
9160 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
9162 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9163 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
9164 struct cfg80211_pmksa *pmksa) = NULL;
9165 struct net_device *dev = info->user_ptr[1];
9166 struct cfg80211_pmksa pmksa;
9168 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
9170 if (!info->attrs[NL80211_ATTR_PMKID])
9173 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
9175 if (info->attrs[NL80211_ATTR_MAC]) {
9176 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9177 } else if (info->attrs[NL80211_ATTR_SSID] &&
9178 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
9179 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
9180 info->attrs[NL80211_ATTR_PMK])) {
9181 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9182 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9184 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
9188 if (info->attrs[NL80211_ATTR_PMK]) {
9189 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9190 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
9193 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9194 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9197 switch (info->genlhdr->cmd) {
9198 case NL80211_CMD_SET_PMKSA:
9199 rdev_ops = rdev->ops->set_pmksa;
9201 case NL80211_CMD_DEL_PMKSA:
9202 rdev_ops = rdev->ops->del_pmksa;
9212 return rdev_ops(&rdev->wiphy, dev, &pmksa);
9215 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
9217 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9218 struct net_device *dev = info->user_ptr[1];
9220 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9221 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9224 if (!rdev->ops->flush_pmksa)
9227 return rdev_flush_pmksa(rdev, dev);
9230 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
9232 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9233 struct net_device *dev = info->user_ptr[1];
9234 u8 action_code, dialog_token;
9235 u32 peer_capability = 0;
9240 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
9241 !rdev->ops->tdls_mgmt)
9244 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
9245 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
9246 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
9247 !info->attrs[NL80211_ATTR_IE] ||
9248 !info->attrs[NL80211_ATTR_MAC])
9251 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
9252 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
9253 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
9254 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
9255 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
9256 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
9258 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
9260 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
9261 dialog_token, status_code, peer_capability,
9263 nla_data(info->attrs[NL80211_ATTR_IE]),
9264 nla_len(info->attrs[NL80211_ATTR_IE]));
9267 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
9269 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9270 struct net_device *dev = info->user_ptr[1];
9271 enum nl80211_tdls_operation operation;
9274 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
9275 !rdev->ops->tdls_oper)
9278 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
9279 !info->attrs[NL80211_ATTR_MAC])
9282 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
9283 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
9285 return rdev_tdls_oper(rdev, dev, peer, operation);
9288 static int nl80211_remain_on_channel(struct sk_buff *skb,
9289 struct genl_info *info)
9291 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9292 struct wireless_dev *wdev = info->user_ptr[1];
9293 struct cfg80211_chan_def chandef;
9294 const struct cfg80211_chan_def *compat_chandef;
9295 struct sk_buff *msg;
9301 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9302 !info->attrs[NL80211_ATTR_DURATION])
9305 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
9307 if (!rdev->ops->remain_on_channel ||
9308 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
9312 * We should be on that channel for at least a minimum amount of
9313 * time (10ms) but no longer than the driver supports.
9315 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
9316 duration > rdev->wiphy.max_remain_on_channel_duration)
9319 err = nl80211_parse_chandef(rdev, info, &chandef);
9324 if (!cfg80211_off_channel_oper_allowed(wdev) &&
9325 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
9326 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
9328 if (compat_chandef != &chandef) {
9335 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9339 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9340 NL80211_CMD_REMAIN_ON_CHANNEL);
9346 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
9352 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
9354 goto nla_put_failure;
9356 genlmsg_end(msg, hdr);
9358 return genlmsg_reply(msg, info);
9367 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
9368 struct genl_info *info)
9370 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9371 struct wireless_dev *wdev = info->user_ptr[1];
9374 if (!info->attrs[NL80211_ATTR_COOKIE])
9377 if (!rdev->ops->cancel_remain_on_channel)
9380 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9382 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
9385 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
9386 struct genl_info *info)
9388 struct cfg80211_bitrate_mask mask;
9389 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9390 struct net_device *dev = info->user_ptr[1];
9393 if (!rdev->ops->set_bitrate_mask)
9396 err = nl80211_parse_tx_bitrate_mask(info, &mask);
9400 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
9403 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
9405 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9406 struct wireless_dev *wdev = info->user_ptr[1];
9407 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
9409 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
9412 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
9413 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
9415 switch (wdev->iftype) {
9416 case NL80211_IFTYPE_STATION:
9417 case NL80211_IFTYPE_ADHOC:
9418 case NL80211_IFTYPE_P2P_CLIENT:
9419 case NL80211_IFTYPE_AP:
9420 case NL80211_IFTYPE_AP_VLAN:
9421 case NL80211_IFTYPE_MESH_POINT:
9422 case NL80211_IFTYPE_P2P_GO:
9423 case NL80211_IFTYPE_P2P_DEVICE:
9425 case NL80211_IFTYPE_NAN:
9430 /* not much point in registering if we can't reply */
9431 if (!rdev->ops->mgmt_tx)
9434 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
9435 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
9436 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
9439 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
9441 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9442 struct wireless_dev *wdev = info->user_ptr[1];
9443 struct cfg80211_chan_def chandef;
9447 struct sk_buff *msg = NULL;
9448 struct cfg80211_mgmt_tx_params params = {
9449 .dont_wait_for_ack =
9450 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
9453 if (!info->attrs[NL80211_ATTR_FRAME])
9456 if (!rdev->ops->mgmt_tx)
9459 switch (wdev->iftype) {
9460 case NL80211_IFTYPE_P2P_DEVICE:
9461 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9463 case NL80211_IFTYPE_STATION:
9464 case NL80211_IFTYPE_ADHOC:
9465 case NL80211_IFTYPE_P2P_CLIENT:
9466 case NL80211_IFTYPE_AP:
9467 case NL80211_IFTYPE_AP_VLAN:
9468 case NL80211_IFTYPE_MESH_POINT:
9469 case NL80211_IFTYPE_P2P_GO:
9471 case NL80211_IFTYPE_NAN:
9476 if (info->attrs[NL80211_ATTR_DURATION]) {
9477 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
9479 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
9482 * We should wait on the channel for at least a minimum amount
9483 * of time (10ms) but no longer than the driver supports.
9485 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
9486 params.wait > rdev->wiphy.max_remain_on_channel_duration)
9490 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
9492 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
9495 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
9497 /* get the channel if any has been specified, otherwise pass NULL to
9498 * the driver. The latter will use the current one
9500 chandef.chan = NULL;
9501 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9502 err = nl80211_parse_chandef(rdev, info, &chandef);
9507 if (!chandef.chan && params.offchan)
9511 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
9517 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
9518 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
9520 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
9521 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
9524 if (len % sizeof(u16))
9527 params.n_csa_offsets = len / sizeof(u16);
9528 params.csa_offsets =
9529 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
9531 /* check that all the offsets fit the frame */
9532 for (i = 0; i < params.n_csa_offsets; i++) {
9533 if (params.csa_offsets[i] >= params.len)
9538 if (!params.dont_wait_for_ack) {
9539 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9543 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9551 params.chan = chandef.chan;
9552 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
9557 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
9559 goto nla_put_failure;
9561 genlmsg_end(msg, hdr);
9562 return genlmsg_reply(msg, info);
9574 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
9576 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9577 struct wireless_dev *wdev = info->user_ptr[1];
9580 if (!info->attrs[NL80211_ATTR_COOKIE])
9583 if (!rdev->ops->mgmt_tx_cancel_wait)
9586 switch (wdev->iftype) {
9587 case NL80211_IFTYPE_STATION:
9588 case NL80211_IFTYPE_ADHOC:
9589 case NL80211_IFTYPE_P2P_CLIENT:
9590 case NL80211_IFTYPE_AP:
9591 case NL80211_IFTYPE_AP_VLAN:
9592 case NL80211_IFTYPE_P2P_GO:
9593 case NL80211_IFTYPE_P2P_DEVICE:
9595 case NL80211_IFTYPE_NAN:
9600 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9602 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
9605 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
9607 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9608 struct wireless_dev *wdev;
9609 struct net_device *dev = info->user_ptr[1];
9614 if (!info->attrs[NL80211_ATTR_PS_STATE])
9617 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
9619 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
9622 wdev = dev->ieee80211_ptr;
9624 if (!rdev->ops->set_power_mgmt)
9627 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
9629 if (state == wdev->ps)
9632 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
9638 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
9640 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9641 enum nl80211_ps_state ps_state;
9642 struct wireless_dev *wdev;
9643 struct net_device *dev = info->user_ptr[1];
9644 struct sk_buff *msg;
9648 wdev = dev->ieee80211_ptr;
9650 if (!rdev->ops->set_power_mgmt)
9653 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9657 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9658 NL80211_CMD_GET_POWER_SAVE);
9665 ps_state = NL80211_PS_ENABLED;
9667 ps_state = NL80211_PS_DISABLED;
9669 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
9670 goto nla_put_failure;
9672 genlmsg_end(msg, hdr);
9673 return genlmsg_reply(msg, info);
9682 static const struct nla_policy
9683 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
9684 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
9685 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
9686 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
9687 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
9688 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
9689 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
9690 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
9693 static int nl80211_set_cqm_txe(struct genl_info *info,
9694 u32 rate, u32 pkts, u32 intvl)
9696 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9697 struct net_device *dev = info->user_ptr[1];
9698 struct wireless_dev *wdev = dev->ieee80211_ptr;
9700 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
9703 if (!rdev->ops->set_cqm_txe_config)
9706 if (wdev->iftype != NL80211_IFTYPE_STATION &&
9707 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
9710 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
9713 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
9714 struct net_device *dev)
9716 struct wireless_dev *wdev = dev->ieee80211_ptr;
9717 s32 last, low, high;
9722 /* RSSI reporting disabled? */
9723 if (!wdev->cqm_config)
9724 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
9727 * Obtain current RSSI value if possible, if not and no RSSI threshold
9728 * event has been received yet, we should receive an event after a
9729 * connection is established and enough beacons received to calculate
9732 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
9733 rdev->ops->get_station) {
9734 struct station_info sinfo;
9737 mac_addr = wdev->current_bss->pub.bssid;
9739 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
9743 if (sinfo.filled & BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
9744 wdev->cqm_config->last_rssi_event_value =
9745 (s8) sinfo.rx_beacon_signal_avg;
9748 last = wdev->cqm_config->last_rssi_event_value;
9749 hyst = wdev->cqm_config->rssi_hyst;
9750 n = wdev->cqm_config->n_rssi_thresholds;
9752 for (i = 0; i < n; i++)
9753 if (last < wdev->cqm_config->rssi_thresholds[i])
9757 (wdev->cqm_config->rssi_thresholds[i - 1] - hyst) : S32_MIN;
9759 (wdev->cqm_config->rssi_thresholds[i] + hyst - 1) : S32_MAX;
9761 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
9764 static int nl80211_set_cqm_rssi(struct genl_info *info,
9765 const s32 *thresholds, int n_thresholds,
9768 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9769 struct net_device *dev = info->user_ptr[1];
9770 struct wireless_dev *wdev = dev->ieee80211_ptr;
9774 /* Check all values negative and sorted */
9775 for (i = 0; i < n_thresholds; i++) {
9776 if (thresholds[i] > 0 || thresholds[i] <= prev)
9779 prev = thresholds[i];
9782 if (wdev->iftype != NL80211_IFTYPE_STATION &&
9783 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
9787 cfg80211_cqm_config_free(wdev);
9790 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
9791 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
9792 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
9794 return rdev_set_cqm_rssi_config(rdev, dev,
9795 thresholds[0], hysteresis);
9798 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9799 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
9802 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
9807 struct cfg80211_cqm_config *cqm_config;
9809 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
9810 n_thresholds * sizeof(s32), GFP_KERNEL);
9816 cqm_config->rssi_hyst = hysteresis;
9817 cqm_config->n_rssi_thresholds = n_thresholds;
9818 memcpy(cqm_config->rssi_thresholds, thresholds,
9819 n_thresholds * sizeof(s32));
9821 wdev->cqm_config = cqm_config;
9824 err = cfg80211_cqm_rssi_update(rdev, dev);
9832 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
9834 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
9838 cqm = info->attrs[NL80211_ATTR_CQM];
9842 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
9843 nl80211_attr_cqm_policy, info->extack);
9847 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
9848 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
9849 const s32 *thresholds =
9850 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
9851 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
9852 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
9857 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
9861 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
9862 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
9863 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
9864 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
9865 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
9866 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
9868 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
9874 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
9876 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9877 struct net_device *dev = info->user_ptr[1];
9878 struct ocb_setup setup = {};
9881 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
9885 return cfg80211_join_ocb(rdev, dev, &setup);
9888 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
9890 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9891 struct net_device *dev = info->user_ptr[1];
9893 return cfg80211_leave_ocb(rdev, dev);
9896 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
9898 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9899 struct net_device *dev = info->user_ptr[1];
9900 struct mesh_config cfg;
9901 struct mesh_setup setup;
9904 /* start with default */
9905 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
9906 memcpy(&setup, &default_mesh_setup, sizeof(setup));
9908 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
9909 /* and parse parameters if given */
9910 err = nl80211_parse_mesh_config(info, &cfg, NULL);
9915 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
9916 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
9919 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
9920 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
9922 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9923 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
9924 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9927 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
9928 setup.beacon_interval =
9929 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9931 err = cfg80211_validate_beacon_int(rdev,
9932 NL80211_IFTYPE_MESH_POINT,
9933 setup.beacon_interval);
9938 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
9940 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
9941 if (setup.dtim_period < 1 || setup.dtim_period > 100)
9945 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
9946 /* parse additional setup parameters if given */
9947 err = nl80211_parse_mesh_setup(info, &setup);
9953 cfg.auto_open_plinks = false;
9955 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9956 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
9960 /* cfg80211_join_mesh() will sort it out */
9961 setup.chandef.chan = NULL;
9964 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9965 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9967 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9968 struct ieee80211_supported_band *sband;
9970 if (!setup.chandef.chan)
9973 sband = rdev->wiphy.bands[setup.chandef.chan->band];
9975 err = ieee80211_get_ratemask(sband, rates, n_rates,
9976 &setup.basic_rates);
9981 if (info->attrs[NL80211_ATTR_TX_RATES]) {
9982 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
9986 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
9987 &setup.beacon_rate);
9992 setup.userspace_handles_dfs =
9993 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9995 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
9998 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
10000 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10001 struct net_device *dev = info->user_ptr[1];
10003 return cfg80211_leave_mesh(rdev, dev);
10007 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
10008 struct cfg80211_registered_device *rdev)
10010 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
10011 struct nlattr *nl_pats, *nl_pat;
10014 if (!wowlan->n_patterns)
10017 nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
10021 for (i = 0; i < wowlan->n_patterns; i++) {
10022 nl_pat = nla_nest_start(msg, i + 1);
10025 pat_len = wowlan->patterns[i].pattern_len;
10026 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
10027 wowlan->patterns[i].mask) ||
10028 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
10029 wowlan->patterns[i].pattern) ||
10030 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
10031 wowlan->patterns[i].pkt_offset))
10033 nla_nest_end(msg, nl_pat);
10035 nla_nest_end(msg, nl_pats);
10040 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
10041 struct cfg80211_wowlan_tcp *tcp)
10043 struct nlattr *nl_tcp;
10048 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
10052 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
10053 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
10054 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
10055 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
10056 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
10057 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
10058 tcp->payload_len, tcp->payload) ||
10059 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
10060 tcp->data_interval) ||
10061 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
10062 tcp->wake_len, tcp->wake_data) ||
10063 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
10064 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
10067 if (tcp->payload_seq.len &&
10068 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
10069 sizeof(tcp->payload_seq), &tcp->payload_seq))
10072 if (tcp->payload_tok.len &&
10073 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
10074 sizeof(tcp->payload_tok) + tcp->tokens_size,
10075 &tcp->payload_tok))
10078 nla_nest_end(msg, nl_tcp);
10083 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
10084 struct cfg80211_sched_scan_request *req)
10086 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
10092 nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
10096 if (req->n_scan_plans == 1 &&
10097 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
10098 req->scan_plans[0].interval * 1000))
10101 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
10104 if (req->relative_rssi_set) {
10105 struct nl80211_bss_select_rssi_adjust rssi_adjust;
10107 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
10108 req->relative_rssi))
10111 rssi_adjust.band = req->rssi_adjust.band;
10112 rssi_adjust.delta = req->rssi_adjust.delta;
10113 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
10114 sizeof(rssi_adjust), &rssi_adjust))
10118 freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
10122 for (i = 0; i < req->n_channels; i++) {
10123 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
10127 nla_nest_end(msg, freqs);
10129 if (req->n_match_sets) {
10130 matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH);
10134 for (i = 0; i < req->n_match_sets; i++) {
10135 match = nla_nest_start(msg, i);
10139 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
10140 req->match_sets[i].ssid.ssid_len,
10141 req->match_sets[i].ssid.ssid))
10143 nla_nest_end(msg, match);
10145 nla_nest_end(msg, matches);
10148 scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
10152 for (i = 0; i < req->n_scan_plans; i++) {
10153 scan_plan = nla_nest_start(msg, i + 1);
10158 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
10159 req->scan_plans[i].interval) ||
10160 (req->scan_plans[i].iterations &&
10161 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
10162 req->scan_plans[i].iterations)))
10164 nla_nest_end(msg, scan_plan);
10166 nla_nest_end(msg, scan_plans);
10168 nla_nest_end(msg, nd);
10173 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
10175 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10176 struct sk_buff *msg;
10178 u32 size = NLMSG_DEFAULT_SIZE;
10180 if (!rdev->wiphy.wowlan)
10181 return -EOPNOTSUPP;
10183 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
10184 /* adjust size to have room for all the data */
10185 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
10186 rdev->wiphy.wowlan_config->tcp->payload_len +
10187 rdev->wiphy.wowlan_config->tcp->wake_len +
10188 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
10191 msg = nlmsg_new(size, GFP_KERNEL);
10195 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10196 NL80211_CMD_GET_WOWLAN);
10198 goto nla_put_failure;
10200 if (rdev->wiphy.wowlan_config) {
10201 struct nlattr *nl_wowlan;
10203 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
10205 goto nla_put_failure;
10207 if ((rdev->wiphy.wowlan_config->any &&
10208 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
10209 (rdev->wiphy.wowlan_config->disconnect &&
10210 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
10211 (rdev->wiphy.wowlan_config->magic_pkt &&
10212 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
10213 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
10214 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
10215 (rdev->wiphy.wowlan_config->eap_identity_req &&
10216 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
10217 (rdev->wiphy.wowlan_config->four_way_handshake &&
10218 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
10219 (rdev->wiphy.wowlan_config->rfkill_release &&
10220 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
10221 goto nla_put_failure;
10223 if (nl80211_send_wowlan_patterns(msg, rdev))
10224 goto nla_put_failure;
10226 if (nl80211_send_wowlan_tcp(msg,
10227 rdev->wiphy.wowlan_config->tcp))
10228 goto nla_put_failure;
10230 if (nl80211_send_wowlan_nd(
10232 rdev->wiphy.wowlan_config->nd_config))
10233 goto nla_put_failure;
10235 nla_nest_end(msg, nl_wowlan);
10238 genlmsg_end(msg, hdr);
10239 return genlmsg_reply(msg, info);
10246 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
10247 struct nlattr *attr,
10248 struct cfg80211_wowlan *trig)
10250 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
10251 struct cfg80211_wowlan_tcp *cfg;
10252 struct nl80211_wowlan_tcp_data_token *tok = NULL;
10253 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
10255 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
10258 if (!rdev->wiphy.wowlan->tcp)
10261 err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TCP, attr,
10262 nl80211_wowlan_tcp_policy, NULL);
10266 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
10267 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
10268 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
10269 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
10270 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
10271 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
10272 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
10273 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
10276 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
10277 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
10280 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
10281 rdev->wiphy.wowlan->tcp->data_interval_max ||
10282 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
10285 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
10286 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
10289 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
10290 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
10293 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
10294 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
10296 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
10297 tokens_size = tokln - sizeof(*tok);
10299 if (!tok->len || tokens_size % tok->len)
10301 if (!rdev->wiphy.wowlan->tcp->tok)
10303 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
10305 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
10307 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
10309 if (tok->offset + tok->len > data_size)
10313 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
10314 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
10315 if (!rdev->wiphy.wowlan->tcp->seq)
10317 if (seq->len == 0 || seq->len > 4)
10319 if (seq->len + seq->offset > data_size)
10323 size = sizeof(*cfg);
10325 size += wake_size + wake_mask_size;
10326 size += tokens_size;
10328 cfg = kzalloc(size, GFP_KERNEL);
10331 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
10332 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
10333 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
10335 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
10336 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
10340 /* allocate a socket and port for it and use it */
10341 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
10342 IPPROTO_TCP, &cfg->sock, 1);
10347 if (inet_csk_get_port(cfg->sock->sk, port)) {
10348 sock_release(cfg->sock);
10350 return -EADDRINUSE;
10352 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
10358 cfg->src_port = port;
10361 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
10362 cfg->payload_len = data_size;
10363 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
10364 memcpy((void *)cfg->payload,
10365 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
10368 cfg->payload_seq = *seq;
10369 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
10370 cfg->wake_len = wake_size;
10371 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
10372 memcpy((void *)cfg->wake_data,
10373 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
10375 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
10376 data_size + wake_size;
10377 memcpy((void *)cfg->wake_mask,
10378 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
10381 cfg->tokens_size = tokens_size;
10382 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
10390 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
10391 const struct wiphy_wowlan_support *wowlan,
10392 struct nlattr *attr,
10393 struct cfg80211_wowlan *trig)
10395 struct nlattr **tb;
10398 tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL);
10402 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
10407 err = nla_parse_nested(tb, NL80211_ATTR_MAX, attr, nl80211_policy,
10412 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
10413 wowlan->max_nd_match_sets);
10414 err = PTR_ERR_OR_ZERO(trig->nd_config);
10416 trig->nd_config = NULL;
10423 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
10425 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10426 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
10427 struct cfg80211_wowlan new_triggers = {};
10428 struct cfg80211_wowlan *ntrig;
10429 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
10431 bool prev_enabled = rdev->wiphy.wowlan_config;
10432 bool regular = false;
10435 return -EOPNOTSUPP;
10437 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
10438 cfg80211_rdev_free_wowlan(rdev);
10439 rdev->wiphy.wowlan_config = NULL;
10443 err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TRIG,
10444 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
10445 nl80211_wowlan_policy, info->extack);
10449 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
10450 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
10452 new_triggers.any = true;
10455 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
10456 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
10458 new_triggers.disconnect = true;
10462 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
10463 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
10465 new_triggers.magic_pkt = true;
10469 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
10472 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
10473 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
10475 new_triggers.gtk_rekey_failure = true;
10479 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
10480 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
10482 new_triggers.eap_identity_req = true;
10486 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
10487 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
10489 new_triggers.four_way_handshake = true;
10493 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
10494 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
10496 new_triggers.rfkill_release = true;
10500 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
10501 struct nlattr *pat;
10502 int n_patterns = 0;
10503 int rem, pat_len, mask_len, pkt_offset;
10504 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
10508 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
10511 if (n_patterns > wowlan->n_patterns)
10514 new_triggers.patterns = kcalloc(n_patterns,
10515 sizeof(new_triggers.patterns[0]),
10517 if (!new_triggers.patterns)
10520 new_triggers.n_patterns = n_patterns;
10523 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
10527 nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
10528 NULL, info->extack);
10530 if (!pat_tb[NL80211_PKTPAT_MASK] ||
10531 !pat_tb[NL80211_PKTPAT_PATTERN])
10533 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
10534 mask_len = DIV_ROUND_UP(pat_len, 8);
10535 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
10537 if (pat_len > wowlan->pattern_max_len ||
10538 pat_len < wowlan->pattern_min_len)
10541 if (!pat_tb[NL80211_PKTPAT_OFFSET])
10544 pkt_offset = nla_get_u32(
10545 pat_tb[NL80211_PKTPAT_OFFSET]);
10546 if (pkt_offset > wowlan->max_pkt_offset)
10548 new_triggers.patterns[i].pkt_offset = pkt_offset;
10550 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
10555 new_triggers.patterns[i].mask = mask_pat;
10556 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
10558 mask_pat += mask_len;
10559 new_triggers.patterns[i].pattern = mask_pat;
10560 new_triggers.patterns[i].pattern_len = pat_len;
10562 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
10568 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
10570 err = nl80211_parse_wowlan_tcp(
10571 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
10577 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
10579 err = nl80211_parse_wowlan_nd(
10580 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
10586 /* The 'any' trigger means the device continues operating more or less
10587 * as in its normal operation mode and wakes up the host on most of the
10588 * normal interrupts (like packet RX, ...)
10589 * It therefore makes little sense to combine with the more constrained
10590 * wakeup trigger modes.
10592 if (new_triggers.any && regular) {
10597 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
10602 cfg80211_rdev_free_wowlan(rdev);
10603 rdev->wiphy.wowlan_config = ntrig;
10606 if (rdev->ops->set_wakeup &&
10607 prev_enabled != !!rdev->wiphy.wowlan_config)
10608 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
10612 for (i = 0; i < new_triggers.n_patterns; i++)
10613 kfree(new_triggers.patterns[i].mask);
10614 kfree(new_triggers.patterns);
10615 if (new_triggers.tcp && new_triggers.tcp->sock)
10616 sock_release(new_triggers.tcp->sock);
10617 kfree(new_triggers.tcp);
10618 kfree(new_triggers.nd_config);
10623 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
10624 struct cfg80211_registered_device *rdev)
10626 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
10628 struct cfg80211_coalesce_rules *rule;
10630 if (!rdev->coalesce->n_rules)
10633 nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE);
10637 for (i = 0; i < rdev->coalesce->n_rules; i++) {
10638 nl_rule = nla_nest_start(msg, i + 1);
10642 rule = &rdev->coalesce->rules[i];
10643 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
10647 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
10651 nl_pats = nla_nest_start(msg,
10652 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
10656 for (j = 0; j < rule->n_patterns; j++) {
10657 nl_pat = nla_nest_start(msg, j + 1);
10660 pat_len = rule->patterns[j].pattern_len;
10661 if (nla_put(msg, NL80211_PKTPAT_MASK,
10662 DIV_ROUND_UP(pat_len, 8),
10663 rule->patterns[j].mask) ||
10664 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
10665 rule->patterns[j].pattern) ||
10666 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
10667 rule->patterns[j].pkt_offset))
10669 nla_nest_end(msg, nl_pat);
10671 nla_nest_end(msg, nl_pats);
10672 nla_nest_end(msg, nl_rule);
10674 nla_nest_end(msg, nl_rules);
10679 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
10681 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10682 struct sk_buff *msg;
10685 if (!rdev->wiphy.coalesce)
10686 return -EOPNOTSUPP;
10688 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10692 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10693 NL80211_CMD_GET_COALESCE);
10695 goto nla_put_failure;
10697 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
10698 goto nla_put_failure;
10700 genlmsg_end(msg, hdr);
10701 return genlmsg_reply(msg, info);
10708 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
10710 struct cfg80211_coalesce *coalesce = rdev->coalesce;
10712 struct cfg80211_coalesce_rules *rule;
10717 for (i = 0; i < coalesce->n_rules; i++) {
10718 rule = &coalesce->rules[i];
10719 for (j = 0; j < rule->n_patterns; j++)
10720 kfree(rule->patterns[j].mask);
10721 kfree(rule->patterns);
10723 kfree(coalesce->rules);
10725 rdev->coalesce = NULL;
10728 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
10729 struct nlattr *rule,
10730 struct cfg80211_coalesce_rules *new_rule)
10733 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
10734 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
10735 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
10736 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
10738 err = nla_parse_nested(tb, NL80211_ATTR_COALESCE_RULE_MAX, rule,
10739 nl80211_coalesce_policy, NULL);
10743 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
10745 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
10746 if (new_rule->delay > coalesce->max_delay)
10749 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
10750 new_rule->condition =
10751 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
10752 if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH &&
10753 new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH)
10756 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
10759 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
10762 if (n_patterns > coalesce->n_patterns)
10765 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
10767 if (!new_rule->patterns)
10770 new_rule->n_patterns = n_patterns;
10773 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
10777 nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, NULL, NULL);
10778 if (!pat_tb[NL80211_PKTPAT_MASK] ||
10779 !pat_tb[NL80211_PKTPAT_PATTERN])
10781 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
10782 mask_len = DIV_ROUND_UP(pat_len, 8);
10783 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
10785 if (pat_len > coalesce->pattern_max_len ||
10786 pat_len < coalesce->pattern_min_len)
10789 if (!pat_tb[NL80211_PKTPAT_OFFSET])
10792 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
10793 if (pkt_offset > coalesce->max_pkt_offset)
10795 new_rule->patterns[i].pkt_offset = pkt_offset;
10797 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
10801 new_rule->patterns[i].mask = mask_pat;
10802 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
10805 mask_pat += mask_len;
10806 new_rule->patterns[i].pattern = mask_pat;
10807 new_rule->patterns[i].pattern_len = pat_len;
10808 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
10816 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
10818 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10819 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
10820 struct cfg80211_coalesce new_coalesce = {};
10821 struct cfg80211_coalesce *n_coalesce;
10822 int err, rem_rule, n_rules = 0, i, j;
10823 struct nlattr *rule;
10824 struct cfg80211_coalesce_rules *tmp_rule;
10826 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
10827 return -EOPNOTSUPP;
10829 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
10830 cfg80211_rdev_free_coalesce(rdev);
10831 rdev_set_coalesce(rdev, NULL);
10835 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
10838 if (n_rules > coalesce->n_rules)
10841 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
10843 if (!new_coalesce.rules)
10846 new_coalesce.n_rules = n_rules;
10849 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
10851 err = nl80211_parse_coalesce_rule(rdev, rule,
10852 &new_coalesce.rules[i]);
10859 err = rdev_set_coalesce(rdev, &new_coalesce);
10863 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
10868 cfg80211_rdev_free_coalesce(rdev);
10869 rdev->coalesce = n_coalesce;
10873 for (i = 0; i < new_coalesce.n_rules; i++) {
10874 tmp_rule = &new_coalesce.rules[i];
10875 for (j = 0; j < tmp_rule->n_patterns; j++)
10876 kfree(tmp_rule->patterns[j].mask);
10877 kfree(tmp_rule->patterns);
10879 kfree(new_coalesce.rules);
10884 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
10886 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10887 struct net_device *dev = info->user_ptr[1];
10888 struct wireless_dev *wdev = dev->ieee80211_ptr;
10889 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
10890 struct cfg80211_gtk_rekey_data rekey_data;
10893 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
10896 err = nla_parse_nested(tb, MAX_NL80211_REKEY_DATA,
10897 info->attrs[NL80211_ATTR_REKEY_DATA],
10898 nl80211_rekey_policy, info->extack);
10902 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
10904 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
10906 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
10909 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
10910 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
10911 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
10914 if (!wdev->current_bss) {
10919 if (!rdev->ops->set_rekey_data) {
10924 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
10930 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
10931 struct genl_info *info)
10933 struct net_device *dev = info->user_ptr[1];
10934 struct wireless_dev *wdev = dev->ieee80211_ptr;
10936 if (wdev->iftype != NL80211_IFTYPE_AP &&
10937 wdev->iftype != NL80211_IFTYPE_P2P_GO)
10940 if (wdev->ap_unexpected_nlportid)
10943 wdev->ap_unexpected_nlportid = info->snd_portid;
10947 static int nl80211_probe_client(struct sk_buff *skb,
10948 struct genl_info *info)
10950 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10951 struct net_device *dev = info->user_ptr[1];
10952 struct wireless_dev *wdev = dev->ieee80211_ptr;
10953 struct sk_buff *msg;
10959 if (wdev->iftype != NL80211_IFTYPE_AP &&
10960 wdev->iftype != NL80211_IFTYPE_P2P_GO)
10961 return -EOPNOTSUPP;
10963 if (!info->attrs[NL80211_ATTR_MAC])
10966 if (!rdev->ops->probe_client)
10967 return -EOPNOTSUPP;
10969 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10973 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10974 NL80211_CMD_PROBE_CLIENT);
10980 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
10982 err = rdev_probe_client(rdev, dev, addr, &cookie);
10986 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10988 goto nla_put_failure;
10990 genlmsg_end(msg, hdr);
10992 return genlmsg_reply(msg, info);
11001 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
11003 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11004 struct cfg80211_beacon_registration *reg, *nreg;
11007 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
11008 return -EOPNOTSUPP;
11010 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
11014 /* First, check if already registered. */
11015 spin_lock_bh(&rdev->beacon_registrations_lock);
11016 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
11017 if (reg->nlportid == info->snd_portid) {
11022 /* Add it to the list */
11023 nreg->nlportid = info->snd_portid;
11024 list_add(&nreg->list, &rdev->beacon_registrations);
11026 spin_unlock_bh(&rdev->beacon_registrations_lock);
11030 spin_unlock_bh(&rdev->beacon_registrations_lock);
11035 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
11037 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11038 struct wireless_dev *wdev = info->user_ptr[1];
11041 if (!rdev->ops->start_p2p_device)
11042 return -EOPNOTSUPP;
11044 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11045 return -EOPNOTSUPP;
11047 if (wdev_running(wdev))
11050 if (rfkill_blocked(rdev->rfkill))
11053 err = rdev_start_p2p_device(rdev, wdev);
11057 wdev->is_running = true;
11063 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
11065 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11066 struct wireless_dev *wdev = info->user_ptr[1];
11068 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11069 return -EOPNOTSUPP;
11071 if (!rdev->ops->stop_p2p_device)
11072 return -EOPNOTSUPP;
11074 cfg80211_stop_p2p_device(rdev, wdev);
11079 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
11081 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11082 struct wireless_dev *wdev = info->user_ptr[1];
11083 struct cfg80211_nan_conf conf = {};
11086 if (wdev->iftype != NL80211_IFTYPE_NAN)
11087 return -EOPNOTSUPP;
11089 if (wdev_running(wdev))
11092 if (rfkill_blocked(rdev->rfkill))
11095 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
11099 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
11100 if (!conf.master_pref)
11103 if (info->attrs[NL80211_ATTR_BANDS]) {
11104 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
11106 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
11107 return -EOPNOTSUPP;
11109 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
11112 conf.bands = bands;
11115 err = rdev_start_nan(rdev, wdev, &conf);
11119 wdev->is_running = true;
11125 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
11127 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11128 struct wireless_dev *wdev = info->user_ptr[1];
11130 if (wdev->iftype != NL80211_IFTYPE_NAN)
11131 return -EOPNOTSUPP;
11133 cfg80211_stop_nan(rdev, wdev);
11138 static int validate_nan_filter(struct nlattr *filter_attr)
11140 struct nlattr *attr;
11141 int len = 0, n_entries = 0, rem;
11143 nla_for_each_nested(attr, filter_attr, rem) {
11144 len += nla_len(attr);
11154 static int handle_nan_filter(struct nlattr *attr_filter,
11155 struct cfg80211_nan_func *func,
11158 struct nlattr *attr;
11159 int n_entries, rem, i;
11160 struct cfg80211_nan_func_filter *filter;
11162 n_entries = validate_nan_filter(attr_filter);
11166 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
11168 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
11173 nla_for_each_nested(attr, attr_filter, rem) {
11174 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
11175 filter[i].len = nla_len(attr);
11179 func->num_tx_filters = n_entries;
11180 func->tx_filters = filter;
11182 func->num_rx_filters = n_entries;
11183 func->rx_filters = filter;
11189 static int nl80211_nan_add_func(struct sk_buff *skb,
11190 struct genl_info *info)
11192 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11193 struct wireless_dev *wdev = info->user_ptr[1];
11194 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
11195 struct cfg80211_nan_func *func;
11196 struct sk_buff *msg = NULL;
11200 if (wdev->iftype != NL80211_IFTYPE_NAN)
11201 return -EOPNOTSUPP;
11203 if (!wdev_running(wdev))
11206 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
11209 err = nla_parse_nested(tb, NL80211_NAN_FUNC_ATTR_MAX,
11210 info->attrs[NL80211_ATTR_NAN_FUNC],
11211 nl80211_nan_func_policy, info->extack);
11215 func = kzalloc(sizeof(*func), GFP_KERNEL);
11219 func->cookie = wdev->wiphy->cookie_counter++;
11221 if (!tb[NL80211_NAN_FUNC_TYPE] ||
11222 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
11228 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
11230 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
11235 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
11236 sizeof(func->service_id));
11238 func->close_range =
11239 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
11241 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
11242 func->serv_spec_info_len =
11243 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
11244 func->serv_spec_info =
11245 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
11246 func->serv_spec_info_len,
11248 if (!func->serv_spec_info) {
11254 if (tb[NL80211_NAN_FUNC_TTL])
11255 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
11257 switch (func->type) {
11258 case NL80211_NAN_FUNC_PUBLISH:
11259 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
11264 func->publish_type =
11265 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
11266 func->publish_bcast =
11267 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
11269 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
11270 func->publish_bcast) {
11275 case NL80211_NAN_FUNC_SUBSCRIBE:
11276 func->subscribe_active =
11277 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
11279 case NL80211_NAN_FUNC_FOLLOW_UP:
11280 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
11281 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]) {
11286 func->followup_id =
11287 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
11288 func->followup_reqid =
11289 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
11290 memcpy(func->followup_dest.addr,
11291 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
11292 sizeof(func->followup_dest.addr));
11303 if (tb[NL80211_NAN_FUNC_SRF]) {
11304 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
11306 err = nla_parse_nested(srf_tb, NL80211_NAN_SRF_ATTR_MAX,
11307 tb[NL80211_NAN_FUNC_SRF],
11308 nl80211_nan_srf_policy, info->extack);
11312 func->srf_include =
11313 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
11315 if (srf_tb[NL80211_NAN_SRF_BF]) {
11316 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
11317 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
11323 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
11325 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
11326 func->srf_bf_len, GFP_KERNEL);
11327 if (!func->srf_bf) {
11333 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
11335 struct nlattr *attr, *mac_attr =
11336 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
11337 int n_entries, rem, i = 0;
11344 n_entries = validate_acl_mac_addrs(mac_attr);
11345 if (n_entries <= 0) {
11350 func->srf_num_macs = n_entries;
11352 kzalloc(sizeof(*func->srf_macs) * n_entries,
11354 if (!func->srf_macs) {
11359 nla_for_each_nested(attr, mac_attr, rem)
11360 memcpy(func->srf_macs[i++].addr, nla_data(attr),
11361 sizeof(*func->srf_macs));
11365 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
11366 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
11372 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
11373 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
11379 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11385 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11386 NL80211_CMD_ADD_NAN_FUNCTION);
11387 /* This can't really happen - we just allocated 4KB */
11388 if (WARN_ON(!hdr)) {
11393 err = rdev_add_nan_func(rdev, wdev, func);
11396 cfg80211_free_nan_func(func);
11401 /* propagate the instance id and cookie to userspace */
11402 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
11404 goto nla_put_failure;
11406 func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC);
11408 goto nla_put_failure;
11410 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
11411 func->instance_id))
11412 goto nla_put_failure;
11414 nla_nest_end(msg, func_attr);
11416 genlmsg_end(msg, hdr);
11417 return genlmsg_reply(msg, info);
11424 static int nl80211_nan_del_func(struct sk_buff *skb,
11425 struct genl_info *info)
11427 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11428 struct wireless_dev *wdev = info->user_ptr[1];
11431 if (wdev->iftype != NL80211_IFTYPE_NAN)
11432 return -EOPNOTSUPP;
11434 if (!wdev_running(wdev))
11437 if (!info->attrs[NL80211_ATTR_COOKIE])
11440 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11442 rdev_del_nan_func(rdev, wdev, cookie);
11447 static int nl80211_nan_change_config(struct sk_buff *skb,
11448 struct genl_info *info)
11450 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11451 struct wireless_dev *wdev = info->user_ptr[1];
11452 struct cfg80211_nan_conf conf = {};
11455 if (wdev->iftype != NL80211_IFTYPE_NAN)
11456 return -EOPNOTSUPP;
11458 if (!wdev_running(wdev))
11461 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
11463 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
11464 if (conf.master_pref <= 1 || conf.master_pref == 255)
11467 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
11470 if (info->attrs[NL80211_ATTR_BANDS]) {
11471 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
11473 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
11474 return -EOPNOTSUPP;
11476 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
11479 conf.bands = bands;
11480 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
11486 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
11489 void cfg80211_nan_match(struct wireless_dev *wdev,
11490 struct cfg80211_nan_match_params *match, gfp_t gfp)
11492 struct wiphy *wiphy = wdev->wiphy;
11493 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11494 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
11495 struct sk_buff *msg;
11498 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
11501 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11505 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
11511 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11512 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11513 wdev->netdev->ifindex)) ||
11514 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
11516 goto nla_put_failure;
11518 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
11519 NL80211_ATTR_PAD) ||
11520 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
11521 goto nla_put_failure;
11523 match_attr = nla_nest_start(msg, NL80211_ATTR_NAN_MATCH);
11525 goto nla_put_failure;
11527 local_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_LOCAL);
11528 if (!local_func_attr)
11529 goto nla_put_failure;
11531 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
11532 goto nla_put_failure;
11534 nla_nest_end(msg, local_func_attr);
11536 peer_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_PEER);
11537 if (!peer_func_attr)
11538 goto nla_put_failure;
11540 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
11541 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
11542 goto nla_put_failure;
11544 if (match->info && match->info_len &&
11545 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
11547 goto nla_put_failure;
11549 nla_nest_end(msg, peer_func_attr);
11550 nla_nest_end(msg, match_attr);
11551 genlmsg_end(msg, hdr);
11553 if (!wdev->owner_nlportid)
11554 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11555 msg, 0, NL80211_MCGRP_NAN, gfp);
11557 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
11558 wdev->owner_nlportid);
11565 EXPORT_SYMBOL(cfg80211_nan_match);
11567 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
11569 enum nl80211_nan_func_term_reason reason,
11570 u64 cookie, gfp_t gfp)
11572 struct wiphy *wiphy = wdev->wiphy;
11573 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11574 struct sk_buff *msg;
11575 struct nlattr *func_attr;
11578 if (WARN_ON(!inst_id))
11581 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11585 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
11591 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11592 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11593 wdev->netdev->ifindex)) ||
11594 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
11596 goto nla_put_failure;
11598 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11600 goto nla_put_failure;
11602 func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC);
11604 goto nla_put_failure;
11606 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
11607 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
11608 goto nla_put_failure;
11610 nla_nest_end(msg, func_attr);
11611 genlmsg_end(msg, hdr);
11613 if (!wdev->owner_nlportid)
11614 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11615 msg, 0, NL80211_MCGRP_NAN, gfp);
11617 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
11618 wdev->owner_nlportid);
11625 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
11627 static int nl80211_get_protocol_features(struct sk_buff *skb,
11628 struct genl_info *info)
11631 struct sk_buff *msg;
11633 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11637 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11638 NL80211_CMD_GET_PROTOCOL_FEATURES);
11640 goto nla_put_failure;
11642 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
11643 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
11644 goto nla_put_failure;
11646 genlmsg_end(msg, hdr);
11647 return genlmsg_reply(msg, info);
11654 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
11656 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11657 struct cfg80211_update_ft_ies_params ft_params;
11658 struct net_device *dev = info->user_ptr[1];
11660 if (!rdev->ops->update_ft_ies)
11661 return -EOPNOTSUPP;
11663 if (!info->attrs[NL80211_ATTR_MDID] ||
11664 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
11667 memset(&ft_params, 0, sizeof(ft_params));
11668 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
11669 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11670 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11672 return rdev_update_ft_ies(rdev, dev, &ft_params);
11675 static int nl80211_crit_protocol_start(struct sk_buff *skb,
11676 struct genl_info *info)
11678 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11679 struct wireless_dev *wdev = info->user_ptr[1];
11680 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
11684 if (!rdev->ops->crit_proto_start)
11685 return -EOPNOTSUPP;
11687 if (WARN_ON(!rdev->ops->crit_proto_stop))
11690 if (rdev->crit_proto_nlportid)
11693 /* determine protocol if provided */
11694 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
11695 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
11697 if (proto >= NUM_NL80211_CRIT_PROTO)
11700 /* timeout must be provided */
11701 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
11705 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
11707 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
11710 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
11712 rdev->crit_proto_nlportid = info->snd_portid;
11717 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
11718 struct genl_info *info)
11720 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11721 struct wireless_dev *wdev = info->user_ptr[1];
11723 if (!rdev->ops->crit_proto_stop)
11724 return -EOPNOTSUPP;
11726 if (rdev->crit_proto_nlportid) {
11727 rdev->crit_proto_nlportid = 0;
11728 rdev_crit_proto_stop(rdev, wdev);
11733 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
11735 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11736 struct wireless_dev *wdev =
11737 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
11741 if (!rdev->wiphy.vendor_commands)
11742 return -EOPNOTSUPP;
11744 if (IS_ERR(wdev)) {
11745 err = PTR_ERR(wdev);
11746 if (err != -EINVAL)
11749 } else if (wdev->wiphy != &rdev->wiphy) {
11753 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
11754 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
11757 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
11758 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
11759 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
11760 const struct wiphy_vendor_command *vcmd;
11764 vcmd = &rdev->wiphy.vendor_commands[i];
11766 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
11769 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
11770 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
11773 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
11777 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
11778 if (!wdev_running(wdev))
11783 return -EOPNOTSUPP;
11788 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
11789 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
11790 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
11793 rdev->cur_cmd_info = info;
11794 err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev,
11796 rdev->cur_cmd_info = NULL;
11800 return -EOPNOTSUPP;
11803 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
11804 struct netlink_callback *cb,
11805 struct cfg80211_registered_device **rdev,
11806 struct wireless_dev **wdev)
11808 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
11814 unsigned int data_len = 0;
11817 /* subtract the 1 again here */
11818 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
11819 struct wireless_dev *tmp;
11823 *rdev = wiphy_to_rdev(wiphy);
11827 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
11828 if (tmp->identifier == cb->args[1] - 1) {
11835 /* keep rtnl locked in successful case */
11839 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, attrbuf,
11840 nl80211_fam.maxattr, nl80211_policy, NULL);
11844 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
11845 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD])
11848 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
11852 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
11854 return PTR_ERR(*rdev);
11856 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
11857 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
11859 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
11860 const struct wiphy_vendor_command *vcmd;
11862 vcmd = &(*rdev)->wiphy.vendor_commands[i];
11864 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
11868 return -EOPNOTSUPP;
11875 return -EOPNOTSUPP;
11877 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
11878 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
11879 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
11882 /* 0 is the first index - add 1 to parse only once */
11883 cb->args[0] = (*rdev)->wiphy_idx + 1;
11884 /* add 1 to know if it was NULL */
11885 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
11886 cb->args[2] = vcmd_idx;
11887 cb->args[3] = (unsigned long)data;
11888 cb->args[4] = data_len;
11890 /* keep rtnl locked in successful case */
11894 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
11895 struct netlink_callback *cb)
11897 struct cfg80211_registered_device *rdev;
11898 struct wireless_dev *wdev;
11899 unsigned int vcmd_idx;
11900 const struct wiphy_vendor_command *vcmd;
11904 struct nlattr *vendor_data;
11907 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
11911 vcmd_idx = cb->args[2];
11912 data = (void *)cb->args[3];
11913 data_len = cb->args[4];
11914 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
11916 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
11917 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
11922 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
11928 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
11929 if (!wdev_running(wdev)) {
11937 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
11938 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11939 NL80211_CMD_VENDOR);
11943 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11944 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
11946 NL80211_ATTR_PAD))) {
11947 genlmsg_cancel(skb, hdr);
11951 vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA);
11952 if (!vendor_data) {
11953 genlmsg_cancel(skb, hdr);
11957 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
11958 (unsigned long *)&cb->args[5]);
11959 nla_nest_end(skb, vendor_data);
11961 if (err == -ENOBUFS || err == -ENOENT) {
11962 genlmsg_cancel(skb, hdr);
11965 genlmsg_cancel(skb, hdr);
11969 genlmsg_end(skb, hdr);
11978 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
11979 enum nl80211_commands cmd,
11980 enum nl80211_attrs attr,
11983 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11985 if (WARN_ON(!rdev->cur_cmd_info))
11988 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
11989 rdev->cur_cmd_info->snd_portid,
11990 rdev->cur_cmd_info->snd_seq,
11991 cmd, attr, NULL, GFP_KERNEL);
11993 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
11995 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
11997 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
11998 void *hdr = ((void **)skb->cb)[1];
11999 struct nlattr *data = ((void **)skb->cb)[2];
12001 /* clear CB data for netlink core to own from now on */
12002 memset(skb->cb, 0, sizeof(skb->cb));
12004 if (WARN_ON(!rdev->cur_cmd_info)) {
12009 nla_nest_end(skb, data);
12010 genlmsg_end(skb, hdr);
12011 return genlmsg_reply(skb, rdev->cur_cmd_info);
12013 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
12015 static int nl80211_set_qos_map(struct sk_buff *skb,
12016 struct genl_info *info)
12018 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12019 struct cfg80211_qos_map *qos_map = NULL;
12020 struct net_device *dev = info->user_ptr[1];
12021 u8 *pos, len, num_des, des_len, des;
12024 if (!rdev->ops->set_qos_map)
12025 return -EOPNOTSUPP;
12027 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
12028 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
12029 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
12031 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
12032 len > IEEE80211_QOS_MAP_LEN_MAX)
12035 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
12039 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
12041 des_len = num_des *
12042 sizeof(struct cfg80211_dscp_exception);
12043 memcpy(qos_map->dscp_exception, pos, des_len);
12044 qos_map->num_des = num_des;
12045 for (des = 0; des < num_des; des++) {
12046 if (qos_map->dscp_exception[des].up > 7) {
12053 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
12056 wdev_lock(dev->ieee80211_ptr);
12057 ret = nl80211_key_allowed(dev->ieee80211_ptr);
12059 ret = rdev_set_qos_map(rdev, dev, qos_map);
12060 wdev_unlock(dev->ieee80211_ptr);
12066 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
12068 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12069 struct net_device *dev = info->user_ptr[1];
12070 struct wireless_dev *wdev = dev->ieee80211_ptr;
12073 u16 admitted_time = 0;
12076 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
12077 return -EOPNOTSUPP;
12079 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
12080 !info->attrs[NL80211_ATTR_USER_PRIO])
12083 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
12084 if (tsid >= IEEE80211_NUM_TIDS)
12087 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
12088 if (up >= IEEE80211_NUM_UPS)
12091 /* WMM uses TIDs 0-7 even for TSPEC */
12092 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
12093 /* TODO: handle 802.11 TSPEC/admission control
12094 * need more attributes for that (e.g. BA session requirement);
12095 * change the WMM adminssion test above to allow both then
12100 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12102 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
12104 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
12105 if (!admitted_time)
12110 switch (wdev->iftype) {
12111 case NL80211_IFTYPE_STATION:
12112 case NL80211_IFTYPE_P2P_CLIENT:
12113 if (wdev->current_bss)
12122 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
12129 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
12131 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12132 struct net_device *dev = info->user_ptr[1];
12133 struct wireless_dev *wdev = dev->ieee80211_ptr;
12138 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
12141 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
12142 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12145 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
12151 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
12152 struct genl_info *info)
12154 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12155 struct net_device *dev = info->user_ptr[1];
12156 struct wireless_dev *wdev = dev->ieee80211_ptr;
12157 struct cfg80211_chan_def chandef = {};
12162 if (!rdev->ops->tdls_channel_switch ||
12163 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
12164 return -EOPNOTSUPP;
12166 switch (dev->ieee80211_ptr->iftype) {
12167 case NL80211_IFTYPE_STATION:
12168 case NL80211_IFTYPE_P2P_CLIENT:
12171 return -EOPNOTSUPP;
12174 if (!info->attrs[NL80211_ATTR_MAC] ||
12175 !info->attrs[NL80211_ATTR_OPER_CLASS])
12178 err = nl80211_parse_chandef(rdev, info, &chandef);
12183 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
12184 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
12185 * specification is not defined for them.
12187 if (chandef.chan->band == NL80211_BAND_2GHZ &&
12188 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
12189 chandef.width != NL80211_CHAN_WIDTH_20)
12192 /* we will be active on the TDLS link */
12193 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
12197 /* don't allow switching to DFS channels */
12198 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
12201 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12202 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
12205 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
12211 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
12212 struct genl_info *info)
12214 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12215 struct net_device *dev = info->user_ptr[1];
12216 struct wireless_dev *wdev = dev->ieee80211_ptr;
12219 if (!rdev->ops->tdls_channel_switch ||
12220 !rdev->ops->tdls_cancel_channel_switch ||
12221 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
12222 return -EOPNOTSUPP;
12224 switch (dev->ieee80211_ptr->iftype) {
12225 case NL80211_IFTYPE_STATION:
12226 case NL80211_IFTYPE_P2P_CLIENT:
12229 return -EOPNOTSUPP;
12232 if (!info->attrs[NL80211_ATTR_MAC])
12235 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12238 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
12244 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
12245 struct genl_info *info)
12247 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12248 struct net_device *dev = info->user_ptr[1];
12249 struct wireless_dev *wdev = dev->ieee80211_ptr;
12250 const struct nlattr *nla;
12253 if (!rdev->ops->set_multicast_to_unicast)
12254 return -EOPNOTSUPP;
12256 if (wdev->iftype != NL80211_IFTYPE_AP &&
12257 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12258 return -EOPNOTSUPP;
12260 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
12261 enabled = nla_get_flag(nla);
12263 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
12266 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
12268 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12269 struct net_device *dev = info->user_ptr[1];
12270 struct wireless_dev *wdev = dev->ieee80211_ptr;
12271 struct cfg80211_pmk_conf pmk_conf = {};
12274 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12275 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12276 return -EOPNOTSUPP;
12278 if (!wiphy_ext_feature_isset(&rdev->wiphy,
12279 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
12280 return -EOPNOTSUPP;
12282 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
12286 if (!wdev->current_bss) {
12291 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
12292 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
12297 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
12298 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
12299 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
12300 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
12305 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
12306 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
12308 if (r0_name_len != WLAN_PMK_NAME_LEN) {
12313 pmk_conf.pmk_r0_name =
12314 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
12317 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
12323 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
12325 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12326 struct net_device *dev = info->user_ptr[1];
12327 struct wireless_dev *wdev = dev->ieee80211_ptr;
12331 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12332 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12333 return -EOPNOTSUPP;
12335 if (!wiphy_ext_feature_isset(&rdev->wiphy,
12336 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
12337 return -EOPNOTSUPP;
12339 if (!info->attrs[NL80211_ATTR_MAC])
12343 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
12344 ret = rdev_del_pmk(rdev, dev, aa);
12350 #define NL80211_FLAG_NEED_WIPHY 0x01
12351 #define NL80211_FLAG_NEED_NETDEV 0x02
12352 #define NL80211_FLAG_NEED_RTNL 0x04
12353 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
12354 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
12355 NL80211_FLAG_CHECK_NETDEV_UP)
12356 #define NL80211_FLAG_NEED_WDEV 0x10
12357 /* If a netdev is associated, it must be UP, P2P must be started */
12358 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
12359 NL80211_FLAG_CHECK_NETDEV_UP)
12360 #define NL80211_FLAG_CLEAR_SKB 0x20
12362 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
12363 struct genl_info *info)
12365 struct cfg80211_registered_device *rdev;
12366 struct wireless_dev *wdev;
12367 struct net_device *dev;
12368 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
12373 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
12374 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
12375 if (IS_ERR(rdev)) {
12378 return PTR_ERR(rdev);
12380 info->user_ptr[0] = rdev;
12381 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
12382 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
12385 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
12387 if (IS_ERR(wdev)) {
12390 return PTR_ERR(wdev);
12393 dev = wdev->netdev;
12394 rdev = wiphy_to_rdev(wdev->wiphy);
12396 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
12403 info->user_ptr[1] = dev;
12405 info->user_ptr[1] = wdev;
12408 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
12409 !wdev_running(wdev)) {
12418 info->user_ptr[0] = rdev;
12424 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
12425 struct genl_info *info)
12427 if (info->user_ptr[1]) {
12428 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
12429 struct wireless_dev *wdev = info->user_ptr[1];
12432 dev_put(wdev->netdev);
12434 dev_put(info->user_ptr[1]);
12438 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
12441 /* If needed, clear the netlink message payload from the SKB
12442 * as it might contain key data that shouldn't stick around on
12443 * the heap after the SKB is freed. The netlink message header
12444 * is still needed for further processing, so leave it intact.
12446 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
12447 struct nlmsghdr *nlh = nlmsg_hdr(skb);
12449 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
12453 static const struct genl_ops nl80211_ops[] = {
12455 .cmd = NL80211_CMD_GET_WIPHY,
12456 .doit = nl80211_get_wiphy,
12457 .dumpit = nl80211_dump_wiphy,
12458 .done = nl80211_dump_wiphy_done,
12459 .policy = nl80211_policy,
12460 /* can be retrieved by unprivileged users */
12461 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12462 NL80211_FLAG_NEED_RTNL,
12465 .cmd = NL80211_CMD_SET_WIPHY,
12466 .doit = nl80211_set_wiphy,
12467 .policy = nl80211_policy,
12468 .flags = GENL_UNS_ADMIN_PERM,
12469 .internal_flags = NL80211_FLAG_NEED_RTNL,
12472 .cmd = NL80211_CMD_GET_INTERFACE,
12473 .doit = nl80211_get_interface,
12474 .dumpit = nl80211_dump_interface,
12475 .policy = nl80211_policy,
12476 /* can be retrieved by unprivileged users */
12477 .internal_flags = NL80211_FLAG_NEED_WDEV |
12478 NL80211_FLAG_NEED_RTNL,
12481 .cmd = NL80211_CMD_SET_INTERFACE,
12482 .doit = nl80211_set_interface,
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_NEW_INTERFACE,
12490 .doit = nl80211_new_interface,
12491 .policy = nl80211_policy,
12492 .flags = GENL_UNS_ADMIN_PERM,
12493 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12494 NL80211_FLAG_NEED_RTNL,
12497 .cmd = NL80211_CMD_DEL_INTERFACE,
12498 .doit = nl80211_del_interface,
12499 .policy = nl80211_policy,
12500 .flags = GENL_UNS_ADMIN_PERM,
12501 .internal_flags = NL80211_FLAG_NEED_WDEV |
12502 NL80211_FLAG_NEED_RTNL,
12505 .cmd = NL80211_CMD_GET_KEY,
12506 .doit = nl80211_get_key,
12507 .policy = nl80211_policy,
12508 .flags = GENL_UNS_ADMIN_PERM,
12509 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12510 NL80211_FLAG_NEED_RTNL,
12513 .cmd = NL80211_CMD_SET_KEY,
12514 .doit = nl80211_set_key,
12515 .policy = nl80211_policy,
12516 .flags = GENL_UNS_ADMIN_PERM,
12517 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12518 NL80211_FLAG_NEED_RTNL |
12519 NL80211_FLAG_CLEAR_SKB,
12522 .cmd = NL80211_CMD_NEW_KEY,
12523 .doit = nl80211_new_key,
12524 .policy = nl80211_policy,
12525 .flags = GENL_UNS_ADMIN_PERM,
12526 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12527 NL80211_FLAG_NEED_RTNL |
12528 NL80211_FLAG_CLEAR_SKB,
12531 .cmd = NL80211_CMD_DEL_KEY,
12532 .doit = nl80211_del_key,
12533 .policy = nl80211_policy,
12534 .flags = GENL_UNS_ADMIN_PERM,
12535 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12536 NL80211_FLAG_NEED_RTNL,
12539 .cmd = NL80211_CMD_SET_BEACON,
12540 .policy = nl80211_policy,
12541 .flags = GENL_UNS_ADMIN_PERM,
12542 .doit = nl80211_set_beacon,
12543 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12544 NL80211_FLAG_NEED_RTNL,
12547 .cmd = NL80211_CMD_START_AP,
12548 .policy = nl80211_policy,
12549 .flags = GENL_UNS_ADMIN_PERM,
12550 .doit = nl80211_start_ap,
12551 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12552 NL80211_FLAG_NEED_RTNL,
12555 .cmd = NL80211_CMD_STOP_AP,
12556 .policy = nl80211_policy,
12557 .flags = GENL_UNS_ADMIN_PERM,
12558 .doit = nl80211_stop_ap,
12559 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12560 NL80211_FLAG_NEED_RTNL,
12563 .cmd = NL80211_CMD_GET_STATION,
12564 .doit = nl80211_get_station,
12565 .dumpit = nl80211_dump_station,
12566 .policy = nl80211_policy,
12567 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12568 NL80211_FLAG_NEED_RTNL,
12571 .cmd = NL80211_CMD_SET_STATION,
12572 .doit = nl80211_set_station,
12573 .policy = nl80211_policy,
12574 .flags = GENL_UNS_ADMIN_PERM,
12575 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12576 NL80211_FLAG_NEED_RTNL,
12579 .cmd = NL80211_CMD_NEW_STATION,
12580 .doit = nl80211_new_station,
12581 .policy = nl80211_policy,
12582 .flags = GENL_UNS_ADMIN_PERM,
12583 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12584 NL80211_FLAG_NEED_RTNL,
12587 .cmd = NL80211_CMD_DEL_STATION,
12588 .doit = nl80211_del_station,
12589 .policy = nl80211_policy,
12590 .flags = GENL_UNS_ADMIN_PERM,
12591 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12592 NL80211_FLAG_NEED_RTNL,
12595 .cmd = NL80211_CMD_GET_MPATH,
12596 .doit = nl80211_get_mpath,
12597 .dumpit = nl80211_dump_mpath,
12598 .policy = nl80211_policy,
12599 .flags = GENL_UNS_ADMIN_PERM,
12600 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12601 NL80211_FLAG_NEED_RTNL,
12604 .cmd = NL80211_CMD_GET_MPP,
12605 .doit = nl80211_get_mpp,
12606 .dumpit = nl80211_dump_mpp,
12607 .policy = nl80211_policy,
12608 .flags = GENL_UNS_ADMIN_PERM,
12609 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12610 NL80211_FLAG_NEED_RTNL,
12613 .cmd = NL80211_CMD_SET_MPATH,
12614 .doit = nl80211_set_mpath,
12615 .policy = nl80211_policy,
12616 .flags = GENL_UNS_ADMIN_PERM,
12617 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12618 NL80211_FLAG_NEED_RTNL,
12621 .cmd = NL80211_CMD_NEW_MPATH,
12622 .doit = nl80211_new_mpath,
12623 .policy = nl80211_policy,
12624 .flags = GENL_UNS_ADMIN_PERM,
12625 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12626 NL80211_FLAG_NEED_RTNL,
12629 .cmd = NL80211_CMD_DEL_MPATH,
12630 .doit = nl80211_del_mpath,
12631 .policy = nl80211_policy,
12632 .flags = GENL_UNS_ADMIN_PERM,
12633 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12634 NL80211_FLAG_NEED_RTNL,
12637 .cmd = NL80211_CMD_SET_BSS,
12638 .doit = nl80211_set_bss,
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_GET_REG,
12646 .doit = nl80211_get_reg_do,
12647 .dumpit = nl80211_get_reg_dump,
12648 .policy = nl80211_policy,
12649 .internal_flags = NL80211_FLAG_NEED_RTNL,
12650 /* can be retrieved by unprivileged users */
12652 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
12654 .cmd = NL80211_CMD_SET_REG,
12655 .doit = nl80211_set_reg,
12656 .policy = nl80211_policy,
12657 .flags = GENL_ADMIN_PERM,
12658 .internal_flags = NL80211_FLAG_NEED_RTNL,
12662 .cmd = NL80211_CMD_REQ_SET_REG,
12663 .doit = nl80211_req_set_reg,
12664 .policy = nl80211_policy,
12665 .flags = GENL_ADMIN_PERM,
12668 .cmd = NL80211_CMD_GET_MESH_CONFIG,
12669 .doit = nl80211_get_mesh_config,
12670 .policy = nl80211_policy,
12671 /* can be retrieved by unprivileged users */
12672 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12673 NL80211_FLAG_NEED_RTNL,
12676 .cmd = NL80211_CMD_SET_MESH_CONFIG,
12677 .doit = nl80211_update_mesh_config,
12678 .policy = nl80211_policy,
12679 .flags = GENL_UNS_ADMIN_PERM,
12680 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12681 NL80211_FLAG_NEED_RTNL,
12684 .cmd = NL80211_CMD_TRIGGER_SCAN,
12685 .doit = nl80211_trigger_scan,
12686 .policy = nl80211_policy,
12687 .flags = GENL_UNS_ADMIN_PERM,
12688 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12689 NL80211_FLAG_NEED_RTNL,
12692 .cmd = NL80211_CMD_ABORT_SCAN,
12693 .doit = nl80211_abort_scan,
12694 .policy = nl80211_policy,
12695 .flags = GENL_UNS_ADMIN_PERM,
12696 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12697 NL80211_FLAG_NEED_RTNL,
12700 .cmd = NL80211_CMD_GET_SCAN,
12701 .policy = nl80211_policy,
12702 .dumpit = nl80211_dump_scan,
12705 .cmd = NL80211_CMD_START_SCHED_SCAN,
12706 .doit = nl80211_start_sched_scan,
12707 .policy = nl80211_policy,
12708 .flags = GENL_UNS_ADMIN_PERM,
12709 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12710 NL80211_FLAG_NEED_RTNL,
12713 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
12714 .doit = nl80211_stop_sched_scan,
12715 .policy = nl80211_policy,
12716 .flags = GENL_UNS_ADMIN_PERM,
12717 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12718 NL80211_FLAG_NEED_RTNL,
12721 .cmd = NL80211_CMD_AUTHENTICATE,
12722 .doit = nl80211_authenticate,
12723 .policy = nl80211_policy,
12724 .flags = GENL_UNS_ADMIN_PERM,
12725 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12726 NL80211_FLAG_NEED_RTNL |
12727 NL80211_FLAG_CLEAR_SKB,
12730 .cmd = NL80211_CMD_ASSOCIATE,
12731 .doit = nl80211_associate,
12732 .policy = nl80211_policy,
12733 .flags = GENL_UNS_ADMIN_PERM,
12734 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12735 NL80211_FLAG_NEED_RTNL,
12738 .cmd = NL80211_CMD_DEAUTHENTICATE,
12739 .doit = nl80211_deauthenticate,
12740 .policy = nl80211_policy,
12741 .flags = GENL_UNS_ADMIN_PERM,
12742 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12743 NL80211_FLAG_NEED_RTNL,
12746 .cmd = NL80211_CMD_DISASSOCIATE,
12747 .doit = nl80211_disassociate,
12748 .policy = nl80211_policy,
12749 .flags = GENL_UNS_ADMIN_PERM,
12750 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12751 NL80211_FLAG_NEED_RTNL,
12754 .cmd = NL80211_CMD_JOIN_IBSS,
12755 .doit = nl80211_join_ibss,
12756 .policy = nl80211_policy,
12757 .flags = GENL_UNS_ADMIN_PERM,
12758 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12759 NL80211_FLAG_NEED_RTNL,
12762 .cmd = NL80211_CMD_LEAVE_IBSS,
12763 .doit = nl80211_leave_ibss,
12764 .policy = nl80211_policy,
12765 .flags = GENL_UNS_ADMIN_PERM,
12766 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12767 NL80211_FLAG_NEED_RTNL,
12769 #ifdef CONFIG_NL80211_TESTMODE
12771 .cmd = NL80211_CMD_TESTMODE,
12772 .doit = nl80211_testmode_do,
12773 .dumpit = nl80211_testmode_dump,
12774 .policy = nl80211_policy,
12775 .flags = GENL_UNS_ADMIN_PERM,
12776 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12777 NL80211_FLAG_NEED_RTNL,
12781 .cmd = NL80211_CMD_CONNECT,
12782 .doit = nl80211_connect,
12783 .policy = nl80211_policy,
12784 .flags = GENL_UNS_ADMIN_PERM,
12785 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12786 NL80211_FLAG_NEED_RTNL,
12789 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
12790 .doit = nl80211_update_connect_params,
12791 .policy = nl80211_policy,
12792 .flags = GENL_ADMIN_PERM,
12793 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12794 NL80211_FLAG_NEED_RTNL,
12797 .cmd = NL80211_CMD_DISCONNECT,
12798 .doit = nl80211_disconnect,
12799 .policy = nl80211_policy,
12800 .flags = GENL_UNS_ADMIN_PERM,
12801 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12802 NL80211_FLAG_NEED_RTNL,
12805 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
12806 .doit = nl80211_wiphy_netns,
12807 .policy = nl80211_policy,
12808 .flags = GENL_UNS_ADMIN_PERM,
12809 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12810 NL80211_FLAG_NEED_RTNL,
12813 .cmd = NL80211_CMD_GET_SURVEY,
12814 .policy = nl80211_policy,
12815 .dumpit = nl80211_dump_survey,
12818 .cmd = NL80211_CMD_SET_PMKSA,
12819 .doit = nl80211_setdel_pmksa,
12820 .policy = nl80211_policy,
12821 .flags = GENL_UNS_ADMIN_PERM,
12822 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12823 NL80211_FLAG_NEED_RTNL,
12826 .cmd = NL80211_CMD_DEL_PMKSA,
12827 .doit = nl80211_setdel_pmksa,
12828 .policy = nl80211_policy,
12829 .flags = GENL_UNS_ADMIN_PERM,
12830 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12831 NL80211_FLAG_NEED_RTNL,
12834 .cmd = NL80211_CMD_FLUSH_PMKSA,
12835 .doit = nl80211_flush_pmksa,
12836 .policy = nl80211_policy,
12837 .flags = GENL_UNS_ADMIN_PERM,
12838 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12839 NL80211_FLAG_NEED_RTNL,
12842 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
12843 .doit = nl80211_remain_on_channel,
12844 .policy = nl80211_policy,
12845 .flags = GENL_UNS_ADMIN_PERM,
12846 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12847 NL80211_FLAG_NEED_RTNL,
12850 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
12851 .doit = nl80211_cancel_remain_on_channel,
12852 .policy = nl80211_policy,
12853 .flags = GENL_UNS_ADMIN_PERM,
12854 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12855 NL80211_FLAG_NEED_RTNL,
12858 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
12859 .doit = nl80211_set_tx_bitrate_mask,
12860 .policy = nl80211_policy,
12861 .flags = GENL_UNS_ADMIN_PERM,
12862 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12863 NL80211_FLAG_NEED_RTNL,
12866 .cmd = NL80211_CMD_REGISTER_FRAME,
12867 .doit = nl80211_register_mgmt,
12868 .policy = nl80211_policy,
12869 .flags = GENL_UNS_ADMIN_PERM,
12870 .internal_flags = NL80211_FLAG_NEED_WDEV |
12871 NL80211_FLAG_NEED_RTNL,
12874 .cmd = NL80211_CMD_FRAME,
12875 .doit = nl80211_tx_mgmt,
12876 .policy = nl80211_policy,
12877 .flags = GENL_UNS_ADMIN_PERM,
12878 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12879 NL80211_FLAG_NEED_RTNL,
12882 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
12883 .doit = nl80211_tx_mgmt_cancel_wait,
12884 .policy = nl80211_policy,
12885 .flags = GENL_UNS_ADMIN_PERM,
12886 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12887 NL80211_FLAG_NEED_RTNL,
12890 .cmd = NL80211_CMD_SET_POWER_SAVE,
12891 .doit = nl80211_set_power_save,
12892 .policy = nl80211_policy,
12893 .flags = GENL_UNS_ADMIN_PERM,
12894 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12895 NL80211_FLAG_NEED_RTNL,
12898 .cmd = NL80211_CMD_GET_POWER_SAVE,
12899 .doit = nl80211_get_power_save,
12900 .policy = nl80211_policy,
12901 /* can be retrieved by unprivileged users */
12902 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12903 NL80211_FLAG_NEED_RTNL,
12906 .cmd = NL80211_CMD_SET_CQM,
12907 .doit = nl80211_set_cqm,
12908 .policy = nl80211_policy,
12909 .flags = GENL_UNS_ADMIN_PERM,
12910 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12911 NL80211_FLAG_NEED_RTNL,
12914 .cmd = NL80211_CMD_SET_CHANNEL,
12915 .doit = nl80211_set_channel,
12916 .policy = nl80211_policy,
12917 .flags = GENL_UNS_ADMIN_PERM,
12918 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12919 NL80211_FLAG_NEED_RTNL,
12922 .cmd = NL80211_CMD_SET_WDS_PEER,
12923 .doit = nl80211_set_wds_peer,
12924 .policy = nl80211_policy,
12925 .flags = GENL_UNS_ADMIN_PERM,
12926 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12927 NL80211_FLAG_NEED_RTNL,
12930 .cmd = NL80211_CMD_JOIN_MESH,
12931 .doit = nl80211_join_mesh,
12932 .policy = nl80211_policy,
12933 .flags = GENL_UNS_ADMIN_PERM,
12934 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12935 NL80211_FLAG_NEED_RTNL,
12938 .cmd = NL80211_CMD_LEAVE_MESH,
12939 .doit = nl80211_leave_mesh,
12940 .policy = nl80211_policy,
12941 .flags = GENL_UNS_ADMIN_PERM,
12942 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12943 NL80211_FLAG_NEED_RTNL,
12946 .cmd = NL80211_CMD_JOIN_OCB,
12947 .doit = nl80211_join_ocb,
12948 .policy = nl80211_policy,
12949 .flags = GENL_UNS_ADMIN_PERM,
12950 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12951 NL80211_FLAG_NEED_RTNL,
12954 .cmd = NL80211_CMD_LEAVE_OCB,
12955 .doit = nl80211_leave_ocb,
12956 .policy = nl80211_policy,
12957 .flags = GENL_UNS_ADMIN_PERM,
12958 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12959 NL80211_FLAG_NEED_RTNL,
12963 .cmd = NL80211_CMD_GET_WOWLAN,
12964 .doit = nl80211_get_wowlan,
12965 .policy = nl80211_policy,
12966 /* can be retrieved by unprivileged users */
12967 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12968 NL80211_FLAG_NEED_RTNL,
12971 .cmd = NL80211_CMD_SET_WOWLAN,
12972 .doit = nl80211_set_wowlan,
12973 .policy = nl80211_policy,
12974 .flags = GENL_UNS_ADMIN_PERM,
12975 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12976 NL80211_FLAG_NEED_RTNL,
12980 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
12981 .doit = nl80211_set_rekey_data,
12982 .policy = nl80211_policy,
12983 .flags = GENL_UNS_ADMIN_PERM,
12984 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12985 NL80211_FLAG_NEED_RTNL |
12986 NL80211_FLAG_CLEAR_SKB,
12989 .cmd = NL80211_CMD_TDLS_MGMT,
12990 .doit = nl80211_tdls_mgmt,
12991 .policy = nl80211_policy,
12992 .flags = GENL_UNS_ADMIN_PERM,
12993 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12994 NL80211_FLAG_NEED_RTNL,
12997 .cmd = NL80211_CMD_TDLS_OPER,
12998 .doit = nl80211_tdls_oper,
12999 .policy = nl80211_policy,
13000 .flags = GENL_UNS_ADMIN_PERM,
13001 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13002 NL80211_FLAG_NEED_RTNL,
13005 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
13006 .doit = nl80211_register_unexpected_frame,
13007 .policy = nl80211_policy,
13008 .flags = GENL_UNS_ADMIN_PERM,
13009 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13010 NL80211_FLAG_NEED_RTNL,
13013 .cmd = NL80211_CMD_PROBE_CLIENT,
13014 .doit = nl80211_probe_client,
13015 .policy = nl80211_policy,
13016 .flags = GENL_UNS_ADMIN_PERM,
13017 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13018 NL80211_FLAG_NEED_RTNL,
13021 .cmd = NL80211_CMD_REGISTER_BEACONS,
13022 .doit = nl80211_register_beacons,
13023 .policy = nl80211_policy,
13024 .flags = GENL_UNS_ADMIN_PERM,
13025 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13026 NL80211_FLAG_NEED_RTNL,
13029 .cmd = NL80211_CMD_SET_NOACK_MAP,
13030 .doit = nl80211_set_noack_map,
13031 .policy = nl80211_policy,
13032 .flags = GENL_UNS_ADMIN_PERM,
13033 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13034 NL80211_FLAG_NEED_RTNL,
13037 .cmd = NL80211_CMD_START_P2P_DEVICE,
13038 .doit = nl80211_start_p2p_device,
13039 .policy = nl80211_policy,
13040 .flags = GENL_UNS_ADMIN_PERM,
13041 .internal_flags = NL80211_FLAG_NEED_WDEV |
13042 NL80211_FLAG_NEED_RTNL,
13045 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
13046 .doit = nl80211_stop_p2p_device,
13047 .policy = nl80211_policy,
13048 .flags = GENL_UNS_ADMIN_PERM,
13049 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13050 NL80211_FLAG_NEED_RTNL,
13053 .cmd = NL80211_CMD_START_NAN,
13054 .doit = nl80211_start_nan,
13055 .policy = nl80211_policy,
13056 .flags = GENL_ADMIN_PERM,
13057 .internal_flags = NL80211_FLAG_NEED_WDEV |
13058 NL80211_FLAG_NEED_RTNL,
13061 .cmd = NL80211_CMD_STOP_NAN,
13062 .doit = nl80211_stop_nan,
13063 .policy = nl80211_policy,
13064 .flags = GENL_ADMIN_PERM,
13065 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13066 NL80211_FLAG_NEED_RTNL,
13069 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
13070 .doit = nl80211_nan_add_func,
13071 .policy = nl80211_policy,
13072 .flags = GENL_ADMIN_PERM,
13073 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13074 NL80211_FLAG_NEED_RTNL,
13077 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
13078 .doit = nl80211_nan_del_func,
13079 .policy = nl80211_policy,
13080 .flags = GENL_ADMIN_PERM,
13081 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13082 NL80211_FLAG_NEED_RTNL,
13085 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
13086 .doit = nl80211_nan_change_config,
13087 .policy = nl80211_policy,
13088 .flags = GENL_ADMIN_PERM,
13089 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13090 NL80211_FLAG_NEED_RTNL,
13093 .cmd = NL80211_CMD_SET_MCAST_RATE,
13094 .doit = nl80211_set_mcast_rate,
13095 .policy = nl80211_policy,
13096 .flags = GENL_UNS_ADMIN_PERM,
13097 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13098 NL80211_FLAG_NEED_RTNL,
13101 .cmd = NL80211_CMD_SET_MAC_ACL,
13102 .doit = nl80211_set_mac_acl,
13103 .policy = nl80211_policy,
13104 .flags = GENL_UNS_ADMIN_PERM,
13105 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13106 NL80211_FLAG_NEED_RTNL,
13109 .cmd = NL80211_CMD_RADAR_DETECT,
13110 .doit = nl80211_start_radar_detection,
13111 .policy = nl80211_policy,
13112 .flags = GENL_UNS_ADMIN_PERM,
13113 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13114 NL80211_FLAG_NEED_RTNL,
13117 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
13118 .doit = nl80211_get_protocol_features,
13119 .policy = nl80211_policy,
13122 .cmd = NL80211_CMD_UPDATE_FT_IES,
13123 .doit = nl80211_update_ft_ies,
13124 .policy = nl80211_policy,
13125 .flags = GENL_UNS_ADMIN_PERM,
13126 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13127 NL80211_FLAG_NEED_RTNL,
13130 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
13131 .doit = nl80211_crit_protocol_start,
13132 .policy = nl80211_policy,
13133 .flags = GENL_UNS_ADMIN_PERM,
13134 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13135 NL80211_FLAG_NEED_RTNL,
13138 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
13139 .doit = nl80211_crit_protocol_stop,
13140 .policy = nl80211_policy,
13141 .flags = GENL_UNS_ADMIN_PERM,
13142 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13143 NL80211_FLAG_NEED_RTNL,
13146 .cmd = NL80211_CMD_GET_COALESCE,
13147 .doit = nl80211_get_coalesce,
13148 .policy = nl80211_policy,
13149 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13150 NL80211_FLAG_NEED_RTNL,
13153 .cmd = NL80211_CMD_SET_COALESCE,
13154 .doit = nl80211_set_coalesce,
13155 .policy = nl80211_policy,
13156 .flags = GENL_UNS_ADMIN_PERM,
13157 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13158 NL80211_FLAG_NEED_RTNL,
13161 .cmd = NL80211_CMD_CHANNEL_SWITCH,
13162 .doit = nl80211_channel_switch,
13163 .policy = nl80211_policy,
13164 .flags = GENL_UNS_ADMIN_PERM,
13165 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13166 NL80211_FLAG_NEED_RTNL,
13169 .cmd = NL80211_CMD_VENDOR,
13170 .doit = nl80211_vendor_cmd,
13171 .dumpit = nl80211_vendor_cmd_dump,
13172 .policy = nl80211_policy,
13173 .flags = GENL_UNS_ADMIN_PERM,
13174 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13175 NL80211_FLAG_NEED_RTNL,
13178 .cmd = NL80211_CMD_SET_QOS_MAP,
13179 .doit = nl80211_set_qos_map,
13180 .policy = nl80211_policy,
13181 .flags = GENL_UNS_ADMIN_PERM,
13182 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13183 NL80211_FLAG_NEED_RTNL,
13186 .cmd = NL80211_CMD_ADD_TX_TS,
13187 .doit = nl80211_add_tx_ts,
13188 .policy = nl80211_policy,
13189 .flags = GENL_UNS_ADMIN_PERM,
13190 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13191 NL80211_FLAG_NEED_RTNL,
13194 .cmd = NL80211_CMD_DEL_TX_TS,
13195 .doit = nl80211_del_tx_ts,
13196 .policy = nl80211_policy,
13197 .flags = GENL_UNS_ADMIN_PERM,
13198 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13199 NL80211_FLAG_NEED_RTNL,
13202 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
13203 .doit = nl80211_tdls_channel_switch,
13204 .policy = nl80211_policy,
13205 .flags = GENL_UNS_ADMIN_PERM,
13206 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13207 NL80211_FLAG_NEED_RTNL,
13210 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
13211 .doit = nl80211_tdls_cancel_channel_switch,
13212 .policy = nl80211_policy,
13213 .flags = GENL_UNS_ADMIN_PERM,
13214 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13215 NL80211_FLAG_NEED_RTNL,
13218 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
13219 .doit = nl80211_set_multicast_to_unicast,
13220 .policy = nl80211_policy,
13221 .flags = GENL_UNS_ADMIN_PERM,
13222 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13223 NL80211_FLAG_NEED_RTNL,
13226 .cmd = NL80211_CMD_SET_PMK,
13227 .doit = nl80211_set_pmk,
13228 .policy = nl80211_policy,
13229 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13230 NL80211_FLAG_NEED_RTNL,
13233 .cmd = NL80211_CMD_DEL_PMK,
13234 .doit = nl80211_del_pmk,
13235 .policy = nl80211_policy,
13236 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13237 NL80211_FLAG_NEED_RTNL,
13242 static struct genl_family nl80211_fam __ro_after_init = {
13243 .name = NL80211_GENL_NAME, /* have users key off the name instead */
13244 .hdrsize = 0, /* no private header */
13245 .version = 1, /* no particular meaning now */
13246 .maxattr = NL80211_ATTR_MAX,
13248 .pre_doit = nl80211_pre_doit,
13249 .post_doit = nl80211_post_doit,
13250 .module = THIS_MODULE,
13251 .ops = nl80211_ops,
13252 .n_ops = ARRAY_SIZE(nl80211_ops),
13253 .mcgrps = nl80211_mcgrps,
13254 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
13257 /* notification functions */
13259 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
13260 enum nl80211_commands cmd)
13262 struct sk_buff *msg;
13263 struct nl80211_dump_wiphy_state state = {};
13265 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
13266 cmd != NL80211_CMD_DEL_WIPHY);
13268 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13272 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
13277 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13278 NL80211_MCGRP_CONFIG, GFP_KERNEL);
13281 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
13282 struct wireless_dev *wdev,
13283 enum nl80211_commands cmd)
13285 struct sk_buff *msg;
13287 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
13288 cmd != NL80211_CMD_DEL_INTERFACE);
13290 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13294 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev,
13295 cmd == NL80211_CMD_DEL_INTERFACE) < 0) {
13300 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13301 NL80211_MCGRP_CONFIG, GFP_KERNEL);
13304 static int nl80211_add_scan_req(struct sk_buff *msg,
13305 struct cfg80211_registered_device *rdev)
13307 struct cfg80211_scan_request *req = rdev->scan_req;
13308 struct nlattr *nest;
13314 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
13316 goto nla_put_failure;
13317 for (i = 0; i < req->n_ssids; i++) {
13318 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
13319 goto nla_put_failure;
13321 nla_nest_end(msg, nest);
13323 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
13325 goto nla_put_failure;
13326 for (i = 0; i < req->n_channels; i++) {
13327 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
13328 goto nla_put_failure;
13330 nla_nest_end(msg, nest);
13333 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
13334 goto nla_put_failure;
13337 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
13338 goto nla_put_failure;
13340 if (req->info.scan_start_tsf &&
13341 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
13342 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
13343 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
13344 req->info.tsf_bssid)))
13345 goto nla_put_failure;
13352 static int nl80211_prep_scan_msg(struct sk_buff *msg,
13353 struct cfg80211_registered_device *rdev,
13354 struct wireless_dev *wdev,
13355 u32 portid, u32 seq, int flags,
13360 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
13364 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13365 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13366 wdev->netdev->ifindex)) ||
13367 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13369 goto nla_put_failure;
13371 /* ignore errors and send incomplete event anyway */
13372 nl80211_add_scan_req(msg, rdev);
13374 genlmsg_end(msg, hdr);
13378 genlmsg_cancel(msg, hdr);
13383 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
13384 struct cfg80211_sched_scan_request *req, u32 cmd)
13388 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
13392 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
13393 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
13394 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
13395 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
13397 goto nla_put_failure;
13399 genlmsg_end(msg, hdr);
13403 genlmsg_cancel(msg, hdr);
13407 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
13408 struct wireless_dev *wdev)
13410 struct sk_buff *msg;
13412 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13416 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
13417 NL80211_CMD_TRIGGER_SCAN) < 0) {
13422 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13423 NL80211_MCGRP_SCAN, GFP_KERNEL);
13426 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
13427 struct wireless_dev *wdev, bool aborted)
13429 struct sk_buff *msg;
13431 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13435 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
13436 aborted ? NL80211_CMD_SCAN_ABORTED :
13437 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
13445 /* send message created by nl80211_build_scan_msg() */
13446 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
13447 struct sk_buff *msg)
13452 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13453 NL80211_MCGRP_SCAN, GFP_KERNEL);
13456 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
13458 struct sk_buff *msg;
13460 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13464 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
13469 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
13470 NL80211_MCGRP_SCAN, GFP_KERNEL);
13473 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
13474 struct regulatory_request *request)
13476 /* Userspace can always count this one always being set */
13477 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
13478 goto nla_put_failure;
13480 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
13481 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
13482 NL80211_REGDOM_TYPE_WORLD))
13483 goto nla_put_failure;
13484 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
13485 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
13486 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
13487 goto nla_put_failure;
13488 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
13489 request->intersect) {
13490 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
13491 NL80211_REGDOM_TYPE_INTERSECTION))
13492 goto nla_put_failure;
13494 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
13495 NL80211_REGDOM_TYPE_COUNTRY) ||
13496 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
13498 goto nla_put_failure;
13501 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
13502 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
13505 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
13506 goto nla_put_failure;
13509 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
13510 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
13511 goto nla_put_failure;
13521 * This can happen on global regulatory changes or device specific settings
13522 * based on custom regulatory domains.
13524 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
13525 struct regulatory_request *request)
13527 struct sk_buff *msg;
13530 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13534 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
13540 if (nl80211_reg_change_event_fill(msg, request) == false)
13541 goto nla_put_failure;
13543 genlmsg_end(msg, hdr);
13546 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
13547 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
13553 genlmsg_cancel(msg, hdr);
13557 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
13558 struct net_device *netdev,
13559 const u8 *buf, size_t len,
13560 enum nl80211_commands cmd, gfp_t gfp,
13563 struct sk_buff *msg;
13566 msg = nlmsg_new(100 + len, gfp);
13570 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
13576 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13577 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13578 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
13579 goto nla_put_failure;
13581 if (uapsd_queues >= 0) {
13582 struct nlattr *nla_wmm =
13583 nla_nest_start(msg, NL80211_ATTR_STA_WME);
13585 goto nla_put_failure;
13587 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
13589 goto nla_put_failure;
13591 nla_nest_end(msg, nla_wmm);
13594 genlmsg_end(msg, hdr);
13596 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13597 NL80211_MCGRP_MLME, gfp);
13601 genlmsg_cancel(msg, hdr);
13605 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
13606 struct net_device *netdev, const u8 *buf,
13607 size_t len, gfp_t gfp)
13609 nl80211_send_mlme_event(rdev, netdev, buf, len,
13610 NL80211_CMD_AUTHENTICATE, gfp, -1);
13613 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
13614 struct net_device *netdev, const u8 *buf,
13615 size_t len, gfp_t gfp, int uapsd_queues)
13617 nl80211_send_mlme_event(rdev, netdev, buf, len,
13618 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues);
13621 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
13622 struct net_device *netdev, const u8 *buf,
13623 size_t len, gfp_t gfp)
13625 nl80211_send_mlme_event(rdev, netdev, buf, len,
13626 NL80211_CMD_DEAUTHENTICATE, gfp, -1);
13629 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
13630 struct net_device *netdev, const u8 *buf,
13631 size_t len, gfp_t gfp)
13633 nl80211_send_mlme_event(rdev, netdev, buf, len,
13634 NL80211_CMD_DISASSOCIATE, gfp, -1);
13637 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
13640 struct wireless_dev *wdev = dev->ieee80211_ptr;
13641 struct wiphy *wiphy = wdev->wiphy;
13642 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13643 const struct ieee80211_mgmt *mgmt = (void *)buf;
13646 if (WARN_ON(len < 2))
13649 if (ieee80211_is_deauth(mgmt->frame_control))
13650 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
13652 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
13654 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
13655 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1);
13657 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
13659 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
13660 struct net_device *netdev, int cmd,
13661 const u8 *addr, gfp_t gfp)
13663 struct sk_buff *msg;
13666 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13670 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
13676 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13677 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13678 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
13679 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
13680 goto nla_put_failure;
13682 genlmsg_end(msg, hdr);
13684 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13685 NL80211_MCGRP_MLME, gfp);
13689 genlmsg_cancel(msg, hdr);
13693 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
13694 struct net_device *netdev, const u8 *addr,
13697 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
13701 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
13702 struct net_device *netdev, const u8 *addr,
13705 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
13709 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
13710 struct net_device *netdev,
13711 struct cfg80211_connect_resp_params *cr,
13714 struct sk_buff *msg;
13717 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
13718 cr->fils_kek_len + cr->pmk_len +
13719 (cr->pmkid ? WLAN_PMKID_LEN : 0), gfp);
13723 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
13729 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13730 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13732 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
13733 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
13734 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
13737 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
13738 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
13739 cr->timeout_reason))) ||
13741 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
13743 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
13745 (cr->update_erp_next_seq_num &&
13746 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
13747 cr->fils_erp_next_seq_num)) ||
13748 (cr->status == WLAN_STATUS_SUCCESS &&
13750 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils_kek_len,
13753 nla_put(msg, NL80211_ATTR_PMK, cr->pmk_len, cr->pmk)) ||
13755 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->pmkid)))))
13756 goto nla_put_failure;
13758 genlmsg_end(msg, hdr);
13760 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13761 NL80211_MCGRP_MLME, gfp);
13765 genlmsg_cancel(msg, hdr);
13769 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
13770 struct net_device *netdev,
13771 struct cfg80211_roam_info *info, gfp_t gfp)
13773 struct sk_buff *msg;
13775 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
13777 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len, gfp);
13781 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
13787 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13788 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13789 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
13791 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
13794 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
13796 (info->authorized &&
13797 nla_put_flag(msg, NL80211_ATTR_PORT_AUTHORIZED)))
13798 goto nla_put_failure;
13800 genlmsg_end(msg, hdr);
13802 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13803 NL80211_MCGRP_MLME, gfp);
13807 genlmsg_cancel(msg, hdr);
13811 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
13812 struct net_device *netdev, u16 reason,
13813 const u8 *ie, size_t ie_len, bool from_ap)
13815 struct sk_buff *msg;
13818 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
13822 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
13828 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13829 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13830 (from_ap && reason &&
13831 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
13833 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
13834 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
13835 goto nla_put_failure;
13837 genlmsg_end(msg, hdr);
13839 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13840 NL80211_MCGRP_MLME, GFP_KERNEL);
13844 genlmsg_cancel(msg, hdr);
13848 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
13849 struct net_device *netdev, const u8 *bssid,
13852 struct sk_buff *msg;
13855 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13859 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
13865 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13866 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13867 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
13868 goto nla_put_failure;
13870 genlmsg_end(msg, hdr);
13872 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13873 NL80211_MCGRP_MLME, gfp);
13877 genlmsg_cancel(msg, hdr);
13881 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
13882 const u8* ie, u8 ie_len, gfp_t gfp)
13884 struct wireless_dev *wdev = dev->ieee80211_ptr;
13885 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
13886 struct sk_buff *msg;
13889 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
13892 trace_cfg80211_notify_new_peer_candidate(dev, addr);
13894 msg = nlmsg_new(100 + ie_len, gfp);
13898 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
13904 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13905 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
13906 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
13908 nla_put(msg, NL80211_ATTR_IE, ie_len , ie)))
13909 goto nla_put_failure;
13911 genlmsg_end(msg, hdr);
13913 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13914 NL80211_MCGRP_MLME, gfp);
13918 genlmsg_cancel(msg, hdr);
13921 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
13923 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
13924 struct net_device *netdev, const u8 *addr,
13925 enum nl80211_key_type key_type, int key_id,
13926 const u8 *tsc, gfp_t gfp)
13928 struct sk_buff *msg;
13931 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13935 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
13941 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13942 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13943 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
13944 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
13946 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
13947 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
13948 goto nla_put_failure;
13950 genlmsg_end(msg, hdr);
13952 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13953 NL80211_MCGRP_MLME, gfp);
13957 genlmsg_cancel(msg, hdr);
13961 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
13962 struct ieee80211_channel *channel_before,
13963 struct ieee80211_channel *channel_after)
13965 struct sk_buff *msg;
13967 struct nlattr *nl_freq;
13969 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
13973 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
13980 * Since we are applying the beacon hint to a wiphy we know its
13981 * wiphy_idx is valid
13983 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
13984 goto nla_put_failure;
13987 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
13989 goto nla_put_failure;
13990 if (nl80211_msg_put_channel(msg, channel_before, false))
13991 goto nla_put_failure;
13992 nla_nest_end(msg, nl_freq);
13995 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
13997 goto nla_put_failure;
13998 if (nl80211_msg_put_channel(msg, channel_after, false))
13999 goto nla_put_failure;
14000 nla_nest_end(msg, nl_freq);
14002 genlmsg_end(msg, hdr);
14005 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
14006 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
14012 genlmsg_cancel(msg, hdr);
14016 static void nl80211_send_remain_on_chan_event(
14017 int cmd, struct cfg80211_registered_device *rdev,
14018 struct wireless_dev *wdev, u64 cookie,
14019 struct ieee80211_channel *chan,
14020 unsigned int duration, gfp_t gfp)
14022 struct sk_buff *msg;
14025 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14029 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14035 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14036 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14037 wdev->netdev->ifindex)) ||
14038 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14039 NL80211_ATTR_PAD) ||
14040 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
14041 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
14042 NL80211_CHAN_NO_HT) ||
14043 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14045 goto nla_put_failure;
14047 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
14048 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
14049 goto nla_put_failure;
14051 genlmsg_end(msg, hdr);
14053 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14054 NL80211_MCGRP_MLME, gfp);
14058 genlmsg_cancel(msg, hdr);
14062 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
14063 struct ieee80211_channel *chan,
14064 unsigned int duration, gfp_t gfp)
14066 struct wiphy *wiphy = wdev->wiphy;
14067 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14069 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
14070 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
14071 rdev, wdev, cookie, chan,
14074 EXPORT_SYMBOL(cfg80211_ready_on_channel);
14076 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
14077 struct ieee80211_channel *chan,
14080 struct wiphy *wiphy = wdev->wiphy;
14081 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14083 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
14084 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
14085 rdev, wdev, cookie, chan, 0, gfp);
14087 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
14089 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
14090 struct station_info *sinfo, gfp_t gfp)
14092 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
14093 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14094 struct sk_buff *msg;
14096 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
14098 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14102 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
14103 rdev, dev, mac_addr, sinfo) < 0) {
14108 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14109 NL80211_MCGRP_MLME, gfp);
14111 EXPORT_SYMBOL(cfg80211_new_sta);
14113 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
14114 struct station_info *sinfo, gfp_t gfp)
14116 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
14117 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14118 struct sk_buff *msg;
14119 struct station_info empty_sinfo = {};
14122 sinfo = &empty_sinfo;
14124 trace_cfg80211_del_sta(dev, mac_addr);
14126 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14130 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
14131 rdev, dev, mac_addr, sinfo) < 0) {
14136 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14137 NL80211_MCGRP_MLME, gfp);
14139 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
14141 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
14142 enum nl80211_connect_failed_reason reason,
14145 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
14146 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14147 struct sk_buff *msg;
14150 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
14154 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
14160 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
14161 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
14162 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
14163 goto nla_put_failure;
14165 genlmsg_end(msg, hdr);
14167 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14168 NL80211_MCGRP_MLME, gfp);
14172 genlmsg_cancel(msg, hdr);
14175 EXPORT_SYMBOL(cfg80211_conn_failed);
14177 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
14178 const u8 *addr, gfp_t gfp)
14180 struct wireless_dev *wdev = dev->ieee80211_ptr;
14181 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
14182 struct sk_buff *msg;
14184 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
14189 msg = nlmsg_new(100, gfp);
14193 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14199 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14200 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
14201 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
14202 goto nla_put_failure;
14204 genlmsg_end(msg, hdr);
14205 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
14209 genlmsg_cancel(msg, hdr);
14214 bool cfg80211_rx_spurious_frame(struct net_device *dev,
14215 const u8 *addr, gfp_t gfp)
14217 struct wireless_dev *wdev = dev->ieee80211_ptr;
14220 trace_cfg80211_rx_spurious_frame(dev, addr);
14222 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
14223 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
14224 trace_cfg80211_return_bool(false);
14227 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
14229 trace_cfg80211_return_bool(ret);
14232 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
14234 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
14235 const u8 *addr, gfp_t gfp)
14237 struct wireless_dev *wdev = dev->ieee80211_ptr;
14240 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
14242 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
14243 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
14244 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
14245 trace_cfg80211_return_bool(false);
14248 ret = __nl80211_unexpected_frame(dev,
14249 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
14251 trace_cfg80211_return_bool(ret);
14254 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
14256 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
14257 struct wireless_dev *wdev, u32 nlportid,
14258 int freq, int sig_dbm,
14259 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
14261 struct net_device *netdev = wdev->netdev;
14262 struct sk_buff *msg;
14265 msg = nlmsg_new(100 + len, gfp);
14269 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
14275 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14276 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14277 netdev->ifindex)) ||
14278 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14279 NL80211_ATTR_PAD) ||
14280 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
14282 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
14283 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
14285 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
14286 goto nla_put_failure;
14288 genlmsg_end(msg, hdr);
14290 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
14293 genlmsg_cancel(msg, hdr);
14298 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
14299 const u8 *buf, size_t len, bool ack, gfp_t gfp)
14301 struct wiphy *wiphy = wdev->wiphy;
14302 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14303 struct net_device *netdev = wdev->netdev;
14304 struct sk_buff *msg;
14307 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
14309 msg = nlmsg_new(100 + len, gfp);
14313 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
14319 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14320 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14321 netdev->ifindex)) ||
14322 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14323 NL80211_ATTR_PAD) ||
14324 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
14325 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14326 NL80211_ATTR_PAD) ||
14327 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
14328 goto nla_put_failure;
14330 genlmsg_end(msg, hdr);
14332 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14333 NL80211_MCGRP_MLME, gfp);
14337 genlmsg_cancel(msg, hdr);
14340 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
14342 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
14343 const char *mac, gfp_t gfp)
14345 struct wireless_dev *wdev = dev->ieee80211_ptr;
14346 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
14347 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14353 cb = (void **)msg->cb;
14355 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
14361 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14362 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
14363 goto nla_put_failure;
14365 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
14366 goto nla_put_failure;
14368 cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM);
14370 goto nla_put_failure;
14380 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
14382 void **cb = (void **)msg->cb;
14383 struct cfg80211_registered_device *rdev = cb[2];
14385 nla_nest_end(msg, cb[1]);
14386 genlmsg_end(msg, cb[0]);
14388 memset(msg->cb, 0, sizeof(msg->cb));
14390 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14391 NL80211_MCGRP_MLME, gfp);
14394 void cfg80211_cqm_rssi_notify(struct net_device *dev,
14395 enum nl80211_cqm_rssi_threshold_event rssi_event,
14396 s32 rssi_level, gfp_t gfp)
14398 struct sk_buff *msg;
14399 struct wireless_dev *wdev = dev->ieee80211_ptr;
14400 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
14402 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
14404 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
14405 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
14408 if (wdev->cqm_config) {
14409 wdev->cqm_config->last_rssi_event_value = rssi_level;
14411 cfg80211_cqm_rssi_update(rdev, dev);
14413 if (rssi_level == 0)
14414 rssi_level = wdev->cqm_config->last_rssi_event_value;
14417 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
14421 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
14423 goto nla_put_failure;
14425 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
14427 goto nla_put_failure;
14429 cfg80211_send_cqm(msg, gfp);
14436 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
14438 void cfg80211_cqm_txe_notify(struct net_device *dev,
14439 const u8 *peer, u32 num_packets,
14440 u32 rate, u32 intvl, gfp_t gfp)
14442 struct sk_buff *msg;
14444 msg = cfg80211_prepare_cqm(dev, peer, gfp);
14448 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
14449 goto nla_put_failure;
14451 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
14452 goto nla_put_failure;
14454 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
14455 goto nla_put_failure;
14457 cfg80211_send_cqm(msg, gfp);
14463 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
14465 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
14466 const u8 *peer, u32 num_packets, gfp_t gfp)
14468 struct sk_buff *msg;
14470 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
14472 msg = cfg80211_prepare_cqm(dev, peer, gfp);
14476 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
14477 goto nla_put_failure;
14479 cfg80211_send_cqm(msg, gfp);
14485 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
14487 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
14489 struct sk_buff *msg;
14491 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
14495 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
14496 goto nla_put_failure;
14498 cfg80211_send_cqm(msg, gfp);
14504 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
14506 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
14507 struct net_device *netdev, const u8 *bssid,
14508 const u8 *replay_ctr, gfp_t gfp)
14510 struct sk_buff *msg;
14511 struct nlattr *rekey_attr;
14514 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14518 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
14524 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14525 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14526 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
14527 goto nla_put_failure;
14529 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
14531 goto nla_put_failure;
14533 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
14534 NL80211_REPLAY_CTR_LEN, replay_ctr))
14535 goto nla_put_failure;
14537 nla_nest_end(msg, rekey_attr);
14539 genlmsg_end(msg, hdr);
14541 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14542 NL80211_MCGRP_MLME, gfp);
14546 genlmsg_cancel(msg, hdr);
14550 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
14551 const u8 *replay_ctr, gfp_t gfp)
14553 struct wireless_dev *wdev = dev->ieee80211_ptr;
14554 struct wiphy *wiphy = wdev->wiphy;
14555 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14557 trace_cfg80211_gtk_rekey_notify(dev, bssid);
14558 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
14560 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
14563 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
14564 struct net_device *netdev, int index,
14565 const u8 *bssid, bool preauth, gfp_t gfp)
14567 struct sk_buff *msg;
14568 struct nlattr *attr;
14571 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14575 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
14581 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14582 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
14583 goto nla_put_failure;
14585 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
14587 goto nla_put_failure;
14589 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
14590 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
14592 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
14593 goto nla_put_failure;
14595 nla_nest_end(msg, attr);
14597 genlmsg_end(msg, hdr);
14599 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14600 NL80211_MCGRP_MLME, gfp);
14604 genlmsg_cancel(msg, hdr);
14608 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
14609 const u8 *bssid, bool preauth, gfp_t gfp)
14611 struct wireless_dev *wdev = dev->ieee80211_ptr;
14612 struct wiphy *wiphy = wdev->wiphy;
14613 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14615 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
14616 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
14618 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
14620 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
14621 struct net_device *netdev,
14622 struct cfg80211_chan_def *chandef,
14624 enum nl80211_commands notif,
14627 struct sk_buff *msg;
14630 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14634 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
14640 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
14641 goto nla_put_failure;
14643 if (nl80211_send_chandef(msg, chandef))
14644 goto nla_put_failure;
14646 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
14647 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
14648 goto nla_put_failure;
14650 genlmsg_end(msg, hdr);
14652 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14653 NL80211_MCGRP_MLME, gfp);
14657 genlmsg_cancel(msg, hdr);
14661 void cfg80211_ch_switch_notify(struct net_device *dev,
14662 struct cfg80211_chan_def *chandef)
14664 struct wireless_dev *wdev = dev->ieee80211_ptr;
14665 struct wiphy *wiphy = wdev->wiphy;
14666 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14668 ASSERT_WDEV_LOCK(wdev);
14670 trace_cfg80211_ch_switch_notify(dev, chandef);
14672 wdev->chandef = *chandef;
14673 wdev->preset_chandef = *chandef;
14674 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
14675 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
14677 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
14679 void cfg80211_ch_switch_started_notify(struct net_device *dev,
14680 struct cfg80211_chan_def *chandef,
14683 struct wireless_dev *wdev = dev->ieee80211_ptr;
14684 struct wiphy *wiphy = wdev->wiphy;
14685 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14687 trace_cfg80211_ch_switch_started_notify(dev, chandef);
14689 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
14690 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
14692 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
14695 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
14696 const struct cfg80211_chan_def *chandef,
14697 enum nl80211_radar_event event,
14698 struct net_device *netdev, gfp_t gfp)
14700 struct sk_buff *msg;
14703 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14707 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
14713 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
14714 goto nla_put_failure;
14716 /* NOP and radar events don't need a netdev parameter */
14718 struct wireless_dev *wdev = netdev->ieee80211_ptr;
14720 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14721 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14723 goto nla_put_failure;
14726 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
14727 goto nla_put_failure;
14729 if (nl80211_send_chandef(msg, chandef))
14730 goto nla_put_failure;
14732 genlmsg_end(msg, hdr);
14734 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14735 NL80211_MCGRP_MLME, gfp);
14739 genlmsg_cancel(msg, hdr);
14743 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
14744 u64 cookie, bool acked, gfp_t gfp)
14746 struct wireless_dev *wdev = dev->ieee80211_ptr;
14747 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
14748 struct sk_buff *msg;
14751 trace_cfg80211_probe_status(dev, addr, cookie, acked);
14753 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14758 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
14764 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14765 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
14766 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
14767 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14768 NL80211_ATTR_PAD) ||
14769 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
14770 goto nla_put_failure;
14772 genlmsg_end(msg, hdr);
14774 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14775 NL80211_MCGRP_MLME, gfp);
14779 genlmsg_cancel(msg, hdr);
14782 EXPORT_SYMBOL(cfg80211_probe_status);
14784 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
14785 const u8 *frame, size_t len,
14786 int freq, int sig_dbm)
14788 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14789 struct sk_buff *msg;
14791 struct cfg80211_beacon_registration *reg;
14793 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
14795 spin_lock_bh(&rdev->beacon_registrations_lock);
14796 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
14797 msg = nlmsg_new(len + 100, GFP_ATOMIC);
14799 spin_unlock_bh(&rdev->beacon_registrations_lock);
14803 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
14805 goto nla_put_failure;
14807 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14809 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
14811 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
14812 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
14813 goto nla_put_failure;
14815 genlmsg_end(msg, hdr);
14817 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
14819 spin_unlock_bh(&rdev->beacon_registrations_lock);
14823 spin_unlock_bh(&rdev->beacon_registrations_lock);
14825 genlmsg_cancel(msg, hdr);
14828 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
14831 static int cfg80211_net_detect_results(struct sk_buff *msg,
14832 struct cfg80211_wowlan_wakeup *wakeup)
14834 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
14835 struct nlattr *nl_results, *nl_match, *nl_freqs;
14838 nl_results = nla_nest_start(
14839 msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
14843 for (i = 0; i < nd->n_matches; i++) {
14844 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
14846 nl_match = nla_nest_start(msg, i);
14850 /* The SSID attribute is optional in nl80211, but for
14851 * simplicity reasons it's always present in the
14852 * cfg80211 structure. If a driver can't pass the
14853 * SSID, that needs to be changed. A zero length SSID
14854 * is still a valid SSID (wildcard), so it cannot be
14855 * used for this purpose.
14857 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
14858 match->ssid.ssid)) {
14859 nla_nest_cancel(msg, nl_match);
14863 if (match->n_channels) {
14864 nl_freqs = nla_nest_start(
14865 msg, NL80211_ATTR_SCAN_FREQUENCIES);
14867 nla_nest_cancel(msg, nl_match);
14871 for (j = 0; j < match->n_channels; j++) {
14872 if (nla_put_u32(msg, j, match->channels[j])) {
14873 nla_nest_cancel(msg, nl_freqs);
14874 nla_nest_cancel(msg, nl_match);
14879 nla_nest_end(msg, nl_freqs);
14882 nla_nest_end(msg, nl_match);
14886 nla_nest_end(msg, nl_results);
14890 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
14891 struct cfg80211_wowlan_wakeup *wakeup,
14894 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
14895 struct sk_buff *msg;
14899 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
14902 size += wakeup->packet_present_len;
14904 msg = nlmsg_new(size, gfp);
14908 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
14912 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14913 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14917 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14918 wdev->netdev->ifindex))
14922 struct nlattr *reasons;
14924 reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
14928 if (wakeup->disconnect &&
14929 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
14931 if (wakeup->magic_pkt &&
14932 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
14934 if (wakeup->gtk_rekey_failure &&
14935 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
14937 if (wakeup->eap_identity_req &&
14938 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
14940 if (wakeup->four_way_handshake &&
14941 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
14943 if (wakeup->rfkill_release &&
14944 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
14947 if (wakeup->pattern_idx >= 0 &&
14948 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
14949 wakeup->pattern_idx))
14952 if (wakeup->tcp_match &&
14953 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
14956 if (wakeup->tcp_connlost &&
14957 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
14960 if (wakeup->tcp_nomoretokens &&
14962 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
14965 if (wakeup->packet) {
14966 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
14967 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
14969 if (!wakeup->packet_80211) {
14971 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
14973 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
14976 if (wakeup->packet_len &&
14977 nla_put_u32(msg, len_attr, wakeup->packet_len))
14980 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
14985 if (wakeup->net_detect &&
14986 cfg80211_net_detect_results(msg, wakeup))
14989 nla_nest_end(msg, reasons);
14992 genlmsg_end(msg, hdr);
14994 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14995 NL80211_MCGRP_MLME, gfp);
15001 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
15004 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
15005 enum nl80211_tdls_operation oper,
15006 u16 reason_code, gfp_t gfp)
15008 struct wireless_dev *wdev = dev->ieee80211_ptr;
15009 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15010 struct sk_buff *msg;
15013 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
15016 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15020 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
15026 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15027 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15028 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
15029 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
15030 (reason_code > 0 &&
15031 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
15032 goto nla_put_failure;
15034 genlmsg_end(msg, hdr);
15036 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15037 NL80211_MCGRP_MLME, gfp);
15041 genlmsg_cancel(msg, hdr);
15044 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
15046 static int nl80211_netlink_notify(struct notifier_block * nb,
15047 unsigned long state,
15050 struct netlink_notify *notify = _notify;
15051 struct cfg80211_registered_device *rdev;
15052 struct wireless_dev *wdev;
15053 struct cfg80211_beacon_registration *reg, *tmp;
15055 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
15056 return NOTIFY_DONE;
15060 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
15061 struct cfg80211_sched_scan_request *sched_scan_req;
15063 list_for_each_entry_rcu(sched_scan_req,
15064 &rdev->sched_scan_req_list,
15066 if (sched_scan_req->owner_nlportid == notify->portid) {
15067 sched_scan_req->nl_owner_dead = true;
15068 schedule_work(&rdev->sched_scan_stop_wk);
15072 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
15073 cfg80211_mlme_unregister_socket(wdev, notify->portid);
15075 if (wdev->owner_nlportid == notify->portid) {
15076 wdev->nl_owner_dead = true;
15077 schedule_work(&rdev->destroy_work);
15078 } else if (wdev->conn_owner_nlportid == notify->portid) {
15079 schedule_work(&wdev->disconnect_wk);
15083 spin_lock_bh(&rdev->beacon_registrations_lock);
15084 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
15086 if (reg->nlportid == notify->portid) {
15087 list_del(®->list);
15092 spin_unlock_bh(&rdev->beacon_registrations_lock);
15098 * It is possible that the user space process that is controlling the
15099 * indoor setting disappeared, so notify the regulatory core.
15101 regulatory_netlink_notify(notify->portid);
15105 static struct notifier_block nl80211_netlink_notifier = {
15106 .notifier_call = nl80211_netlink_notify,
15109 void cfg80211_ft_event(struct net_device *netdev,
15110 struct cfg80211_ft_event_params *ft_event)
15112 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
15113 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15114 struct sk_buff *msg;
15117 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
15119 if (!ft_event->target_ap)
15122 msg = nlmsg_new(100 + ft_event->ric_ies_len, GFP_KERNEL);
15126 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
15130 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15131 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15132 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
15135 if (ft_event->ies &&
15136 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
15138 if (ft_event->ric_ies &&
15139 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
15140 ft_event->ric_ies))
15143 genlmsg_end(msg, hdr);
15145 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15146 NL80211_MCGRP_MLME, GFP_KERNEL);
15151 EXPORT_SYMBOL(cfg80211_ft_event);
15153 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
15155 struct cfg80211_registered_device *rdev;
15156 struct sk_buff *msg;
15160 rdev = wiphy_to_rdev(wdev->wiphy);
15161 if (!rdev->crit_proto_nlportid)
15164 nlportid = rdev->crit_proto_nlportid;
15165 rdev->crit_proto_nlportid = 0;
15167 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15171 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
15173 goto nla_put_failure;
15175 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15176 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15178 goto nla_put_failure;
15180 genlmsg_end(msg, hdr);
15182 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15187 genlmsg_cancel(msg, hdr);
15190 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
15192 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
15194 struct wiphy *wiphy = wdev->wiphy;
15195 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15196 struct sk_buff *msg;
15199 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15203 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
15207 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15208 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
15209 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15213 genlmsg_end(msg, hdr);
15215 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
15216 NL80211_MCGRP_MLME, GFP_KERNEL);
15222 /* initialisation/exit functions */
15224 int __init nl80211_init(void)
15228 err = genl_register_family(&nl80211_fam);
15232 err = netlink_register_notifier(&nl80211_netlink_notifier);
15238 genl_unregister_family(&nl80211_fam);
15242 void nl80211_exit(void)
15244 netlink_unregister_notifier(&nl80211_netlink_notifier);
15245 genl_unregister_family(&nl80211_fam);