1 // SPDX-License-Identifier: GPL-2.0-only
3 * This is the new netlink-based wireless configuration interface.
5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2013-2014 Intel Mobile Communications GmbH
7 * Copyright 2015-2017 Intel Deutschland GmbH
8 * Copyright (C) 2018-2019 Intel Corporation
12 #include <linux/module.h>
13 #include <linux/err.h>
14 #include <linux/slab.h>
15 #include <linux/list.h>
16 #include <linux/if_ether.h>
17 #include <linux/ieee80211.h>
18 #include <linux/nl80211.h>
19 #include <linux/rtnetlink.h>
20 #include <linux/netlink.h>
21 #include <linux/nospec.h>
22 #include <linux/etherdevice.h>
23 #include <net/net_namespace.h>
24 #include <net/genetlink.h>
25 #include <net/cfg80211.h>
27 #include <net/inet_connection_sock.h>
33 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
34 struct genl_info *info,
35 struct cfg80211_crypto_settings *settings,
38 /* the netlink family */
39 static struct genl_family nl80211_fam;
41 /* multicast groups */
42 enum nl80211_multicast_groups {
45 NL80211_MCGRP_REGULATORY,
49 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
52 static const struct genl_multicast_group nl80211_mcgrps[] = {
53 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
54 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
55 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
56 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
57 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
58 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
59 #ifdef CONFIG_NL80211_TESTMODE
60 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
64 /* returns ERR_PTR values */
65 static struct wireless_dev *
66 __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
68 struct cfg80211_registered_device *rdev;
69 struct wireless_dev *result = NULL;
70 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
71 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
78 if (!have_ifidx && !have_wdev_id)
79 return ERR_PTR(-EINVAL);
82 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
84 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
85 wiphy_idx = wdev_id >> 32;
88 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
89 struct wireless_dev *wdev;
91 if (wiphy_net(&rdev->wiphy) != netns)
94 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
97 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
98 if (have_ifidx && wdev->netdev &&
99 wdev->netdev->ifindex == ifidx) {
103 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
115 return ERR_PTR(-ENODEV);
118 static struct cfg80211_registered_device *
119 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
121 struct cfg80211_registered_device *rdev = NULL, *tmp;
122 struct net_device *netdev;
126 if (!attrs[NL80211_ATTR_WIPHY] &&
127 !attrs[NL80211_ATTR_IFINDEX] &&
128 !attrs[NL80211_ATTR_WDEV])
129 return ERR_PTR(-EINVAL);
131 if (attrs[NL80211_ATTR_WIPHY])
132 rdev = cfg80211_rdev_by_wiphy_idx(
133 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
135 if (attrs[NL80211_ATTR_WDEV]) {
136 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
137 struct wireless_dev *wdev;
140 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
142 /* make sure wdev exists */
143 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
144 if (wdev->identifier != (u32)wdev_id)
153 if (rdev && tmp != rdev)
154 return ERR_PTR(-EINVAL);
159 if (attrs[NL80211_ATTR_IFINDEX]) {
160 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
162 netdev = __dev_get_by_index(netns, ifindex);
164 if (netdev->ieee80211_ptr)
166 netdev->ieee80211_ptr->wiphy);
170 /* not wireless device -- return error */
172 return ERR_PTR(-EINVAL);
174 /* mismatch -- return error */
175 if (rdev && tmp != rdev)
176 return ERR_PTR(-EINVAL);
183 return ERR_PTR(-ENODEV);
185 if (netns != wiphy_net(&rdev->wiphy))
186 return ERR_PTR(-ENODEV);
192 * This function returns a pointer to the driver
193 * that the genl_info item that is passed refers to.
195 * The result of this can be a PTR_ERR and hence must
196 * be checked with IS_ERR() for errors.
198 static struct cfg80211_registered_device *
199 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
201 return __cfg80211_rdev_from_attrs(netns, info->attrs);
204 static int validate_ie_attr(const struct nlattr *attr,
205 struct netlink_ext_ack *extack)
207 const u8 *data = nla_data(attr);
208 unsigned int len = nla_len(attr);
209 const struct element *elem;
211 for_each_element(elem, data, len) {
215 if (for_each_element_completed(elem, data, len))
218 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
222 /* policy for the attributes */
223 static const struct nla_policy
224 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
225 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
226 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
228 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
232 static const struct nla_policy
233 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
234 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
235 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
236 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
237 NLA_POLICY_MAX(NLA_U8, 15),
238 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
239 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
240 NLA_POLICY_MAX(NLA_U8, 15),
241 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
242 NLA_POLICY_MAX(NLA_U8, 31),
243 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
244 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
245 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
248 static const struct nla_policy
249 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
250 [NL80211_PMSR_TYPE_FTM] =
251 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
254 static const struct nla_policy
255 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
256 [NL80211_PMSR_REQ_ATTR_DATA] =
257 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
258 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
261 static const struct nla_policy
262 nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
263 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
265 * we could specify this again to be the top-level policy,
266 * but that would open us up to recursion problems ...
268 [NL80211_PMSR_PEER_ATTR_CHAN] = { .type = NLA_NESTED },
269 [NL80211_PMSR_PEER_ATTR_REQ] =
270 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
271 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
274 static const struct nla_policy
275 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
276 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
277 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
278 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
279 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
280 [NL80211_PMSR_ATTR_PEERS] =
281 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
284 const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
285 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
286 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
288 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
290 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
291 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
292 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
293 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
294 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
296 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
297 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
298 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
299 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
300 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
301 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
303 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
304 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
305 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
307 [NL80211_ATTR_MAC] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
308 [NL80211_ATTR_PREV_BSSID] = {
309 .type = NLA_EXACT_LEN_WARN,
313 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
314 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
315 .len = WLAN_MAX_KEY_LEN },
316 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 5),
317 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
318 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
319 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
320 [NL80211_ATTR_KEY_TYPE] =
321 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
323 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
324 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
325 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
326 .len = IEEE80211_MAX_DATA_LEN },
327 [NL80211_ATTR_BEACON_TAIL] =
328 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
329 IEEE80211_MAX_DATA_LEN),
330 [NL80211_ATTR_STA_AID] =
331 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
332 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
333 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
334 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
335 .len = NL80211_MAX_SUPP_RATES },
336 [NL80211_ATTR_STA_PLINK_ACTION] =
337 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
338 [NL80211_ATTR_STA_TX_POWER_SETTING] =
339 NLA_POLICY_RANGE(NLA_U8,
340 NL80211_TX_POWER_AUTOMATIC,
341 NL80211_TX_POWER_FIXED),
342 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
343 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
344 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
345 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
346 .len = IEEE80211_MAX_MESH_ID_LEN },
347 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
349 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
350 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
352 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
353 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
354 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
355 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
356 .len = NL80211_MAX_SUPP_RATES },
357 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
359 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
360 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
362 [NL80211_ATTR_HT_CAPABILITY] = {
363 .type = NLA_EXACT_LEN_WARN,
364 .len = NL80211_HT_CAPABILITY_LEN
367 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
368 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
370 IEEE80211_MAX_DATA_LEN),
371 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
372 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
374 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
375 .len = IEEE80211_MAX_SSID_LEN },
376 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
377 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
378 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
379 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
380 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
382 NL80211_MFP_OPTIONAL),
383 [NL80211_ATTR_STA_FLAGS2] = {
384 .len = sizeof(struct nl80211_sta_flag_update),
386 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
387 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
388 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
389 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
390 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
391 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
392 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
393 [NL80211_ATTR_PID] = { .type = NLA_U32 },
394 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
395 [NL80211_ATTR_PMKID] = {
396 .type = NLA_EXACT_LEN_WARN,
397 .len = WLAN_PMKID_LEN
399 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
400 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
401 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
402 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
403 .len = IEEE80211_MAX_DATA_LEN },
404 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
405 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
408 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
409 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
410 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
411 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
412 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
413 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
414 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
415 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
416 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
417 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
418 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
419 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
420 [NL80211_ATTR_STA_PLINK_STATE] =
421 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
422 [NL80211_ATTR_MESH_PEER_AID] =
423 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
424 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
425 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
426 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
427 [NL80211_ATTR_HIDDEN_SSID] =
428 NLA_POLICY_RANGE(NLA_U32,
429 NL80211_HIDDEN_SSID_NOT_IN_USE,
430 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
431 [NL80211_ATTR_IE_PROBE_RESP] =
432 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
433 IEEE80211_MAX_DATA_LEN),
434 [NL80211_ATTR_IE_ASSOC_RESP] =
435 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
436 IEEE80211_MAX_DATA_LEN),
437 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
438 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
439 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
440 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
441 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
442 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
443 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
444 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
445 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
446 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
447 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
448 .len = IEEE80211_MAX_DATA_LEN },
449 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
450 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
451 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
452 .len = NL80211_HT_CAPABILITY_LEN
454 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
455 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
456 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
457 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
458 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
459 [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
460 [NL80211_ATTR_VHT_CAPABILITY] = {
461 .type = NLA_EXACT_LEN_WARN,
462 .len = NL80211_VHT_CAPABILITY_LEN
464 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
465 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
466 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
467 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
468 NLA_POLICY_RANGE(NLA_U32,
469 NL80211_MESH_POWER_UNKNOWN + 1,
470 NL80211_MESH_POWER_MAX),
471 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
472 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
473 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
474 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
475 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
476 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
477 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
478 .len = NL80211_VHT_CAPABILITY_LEN,
480 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
481 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
482 .len = IEEE80211_MAX_DATA_LEN },
483 [NL80211_ATTR_PEER_AID] =
484 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
485 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
486 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
487 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
488 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
489 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
490 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
491 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
492 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
493 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
494 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
495 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
496 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
497 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
498 .len = IEEE80211_QOS_MAP_LEN_MAX },
499 [NL80211_ATTR_MAC_HINT] = {
500 .type = NLA_EXACT_LEN_WARN,
503 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
504 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
505 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
506 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
507 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
508 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
509 [NL80211_ATTR_USER_PRIO] =
510 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
511 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
512 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
513 [NL80211_ATTR_MAC_MASK] = {
514 .type = NLA_EXACT_LEN_WARN,
517 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
518 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
519 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
520 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
521 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
522 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
523 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
524 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
525 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
526 .len = VHT_MUMIMO_GROUPS_DATA_LEN
528 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = {
529 .type = NLA_EXACT_LEN_WARN,
532 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
533 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
534 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
535 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
536 .len = FILS_MAX_KEK_LEN },
537 [NL80211_ATTR_FILS_NONCES] = {
538 .type = NLA_EXACT_LEN_WARN,
539 .len = 2 * FILS_NONCE_LEN
541 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
542 [NL80211_ATTR_BSSID] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
543 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
544 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
545 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
547 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
548 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
549 .len = FILS_ERP_MAX_USERNAME_LEN },
550 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
551 .len = FILS_ERP_MAX_REALM_LEN },
552 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
553 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
554 .len = FILS_ERP_MAX_RRK_LEN },
555 [NL80211_ATTR_FILS_CACHE_ID] = { .type = NLA_EXACT_LEN_WARN, .len = 2 },
556 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
557 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
558 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
560 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
561 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
562 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
563 [NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
564 .len = NL80211_HE_MAX_CAPABILITY_LEN },
566 [NL80211_ATTR_FTM_RESPONDER] = {
568 .validation_data = nl80211_ftm_responder_policy,
570 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
571 [NL80211_ATTR_PEER_MEASUREMENTS] =
572 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
573 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
574 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
575 .len = SAE_PASSWORD_MAX_LEN },
576 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
579 /* policy for the key attributes */
580 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
581 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
582 [NL80211_KEY_IDX] = { .type = NLA_U8 },
583 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
584 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
585 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
586 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
587 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
588 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
589 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
592 /* policy for the key default flags */
593 static const struct nla_policy
594 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
595 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
596 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
600 /* policy for WoWLAN attributes */
601 static const struct nla_policy
602 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
603 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
604 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
605 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
606 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
607 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
608 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
609 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
610 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
611 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
612 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
615 static const struct nla_policy
616 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
617 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
618 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
619 [NL80211_WOWLAN_TCP_DST_MAC] = {
620 .type = NLA_EXACT_LEN_WARN,
623 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
624 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
625 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
626 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
627 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
629 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
630 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
632 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
633 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
634 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .type = NLA_MIN_LEN, .len = 1 },
636 #endif /* CONFIG_PM */
638 /* policy for coalesce rule attributes */
639 static const struct nla_policy
640 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
641 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
642 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
643 NLA_POLICY_RANGE(NLA_U32,
644 NL80211_COALESCE_CONDITION_MATCH,
645 NL80211_COALESCE_CONDITION_NO_MATCH),
646 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
649 /* policy for GTK rekey offload attributes */
650 static const struct nla_policy
651 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
652 [NL80211_REKEY_DATA_KEK] = {
653 .type = NLA_EXACT_LEN_WARN,
654 .len = NL80211_KEK_LEN,
656 [NL80211_REKEY_DATA_KCK] = {
657 .type = NLA_EXACT_LEN_WARN,
658 .len = NL80211_KCK_LEN,
660 [NL80211_REKEY_DATA_REPLAY_CTR] = {
661 .type = NLA_EXACT_LEN_WARN,
662 .len = NL80211_REPLAY_CTR_LEN
666 static const struct nla_policy
667 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
668 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
669 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
670 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
673 static const struct nla_policy
674 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
675 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
676 .len = IEEE80211_MAX_SSID_LEN },
677 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = {
678 .type = NLA_EXACT_LEN_WARN,
681 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
682 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
683 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
686 static const struct nla_policy
687 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
688 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
689 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
692 static const struct nla_policy
693 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
694 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
695 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
696 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
697 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
701 /* policy for NAN function attributes */
702 static const struct nla_policy
703 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
704 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
705 [NL80211_NAN_FUNC_SERVICE_ID] = {
706 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
707 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
708 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
709 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
710 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
711 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
712 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = {
713 .type = NLA_EXACT_LEN_WARN,
716 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
717 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
718 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
719 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
720 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
721 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
722 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
723 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
724 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
727 /* policy for Service Response Filter attributes */
728 static const struct nla_policy
729 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
730 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
731 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
732 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
733 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
734 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
737 /* policy for packet pattern attributes */
738 static const struct nla_policy
739 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
740 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
741 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
742 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
745 int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
746 struct cfg80211_registered_device **rdev,
747 struct wireless_dev **wdev)
752 err = nlmsg_parse_deprecated(cb->nlh,
753 GENL_HDRLEN + nl80211_fam.hdrsize,
754 genl_family_attrbuf(&nl80211_fam),
756 nl80211_policy, NULL);
760 *wdev = __cfg80211_wdev_from_attrs(
761 sock_net(cb->skb->sk),
762 genl_family_attrbuf(&nl80211_fam));
764 return PTR_ERR(*wdev);
765 *rdev = wiphy_to_rdev((*wdev)->wiphy);
766 /* 0 is the first index - add 1 to parse only once */
767 cb->args[0] = (*rdev)->wiphy_idx + 1;
768 cb->args[1] = (*wdev)->identifier;
770 /* subtract the 1 again here */
771 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
772 struct wireless_dev *tmp;
776 *rdev = wiphy_to_rdev(wiphy);
779 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
780 if (tmp->identifier == cb->args[1]) {
793 /* message building helper */
794 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
797 /* since there is no private header just add the generic one */
798 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
801 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
802 const struct ieee80211_reg_rule *rule)
805 struct nlattr *nl_wmm_rules =
806 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
809 goto nla_put_failure;
811 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
812 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
815 goto nla_put_failure;
817 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
818 rule->wmm_rule.client[j].cw_min) ||
819 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
820 rule->wmm_rule.client[j].cw_max) ||
821 nla_put_u8(msg, NL80211_WMMR_AIFSN,
822 rule->wmm_rule.client[j].aifsn) ||
823 nla_put_u16(msg, NL80211_WMMR_TXOP,
824 rule->wmm_rule.client[j].cot))
825 goto nla_put_failure;
827 nla_nest_end(msg, nl_wmm_rule);
829 nla_nest_end(msg, nl_wmm_rules);
837 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
838 struct ieee80211_channel *chan,
841 /* Some channels must be completely excluded from the
842 * list to protect old user-space tools from breaking
844 if (!large && chan->flags &
845 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
848 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
850 goto nla_put_failure;
852 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
853 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
854 goto nla_put_failure;
855 if (chan->flags & IEEE80211_CHAN_NO_IR) {
856 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
857 goto nla_put_failure;
858 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
859 goto nla_put_failure;
861 if (chan->flags & IEEE80211_CHAN_RADAR) {
862 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
863 goto nla_put_failure;
867 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
869 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
871 goto nla_put_failure;
872 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
874 goto nla_put_failure;
876 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
878 goto nla_put_failure;
883 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
884 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
885 goto nla_put_failure;
886 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
887 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
888 goto nla_put_failure;
889 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
890 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
891 goto nla_put_failure;
892 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
893 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
894 goto nla_put_failure;
895 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
896 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
897 goto nla_put_failure;
898 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
899 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
900 goto nla_put_failure;
901 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
902 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
903 goto nla_put_failure;
904 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
905 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
906 goto nla_put_failure;
909 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
910 DBM_TO_MBM(chan->max_power)))
911 goto nla_put_failure;
914 const struct ieee80211_reg_rule *rule =
915 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
917 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
918 if (nl80211_msg_put_wmm_rules(msg, rule))
919 goto nla_put_failure;
929 static bool nl80211_put_txq_stats(struct sk_buff *msg,
930 struct cfg80211_txq_stats *txqstats,
933 struct nlattr *txqattr;
935 #define PUT_TXQVAL_U32(attr, memb) do { \
936 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
937 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
941 txqattr = nla_nest_start_noflag(msg, attrtype);
945 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
946 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
947 PUT_TXQVAL_U32(FLOWS, flows);
948 PUT_TXQVAL_U32(DROPS, drops);
949 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
950 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
951 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
952 PUT_TXQVAL_U32(COLLISIONS, collisions);
953 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
954 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
955 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
956 nla_nest_end(msg, txqattr);
958 #undef PUT_TXQVAL_U32
962 /* netlink command implementations */
969 bool def_uni, def_multi;
972 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
975 struct nlattr *tb[NL80211_KEY_MAX + 1];
976 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
982 k->def = !!tb[NL80211_KEY_DEFAULT];
983 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
992 if (tb[NL80211_KEY_IDX])
993 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
995 if (tb[NL80211_KEY_DATA]) {
996 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
997 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1000 if (tb[NL80211_KEY_SEQ]) {
1001 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1002 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1005 if (tb[NL80211_KEY_CIPHER])
1006 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1008 if (tb[NL80211_KEY_TYPE])
1009 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1011 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1012 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1014 err = nla_parse_nested_deprecated(kdt,
1015 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1016 tb[NL80211_KEY_DEFAULT_TYPES],
1017 nl80211_key_default_policy,
1022 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1023 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1026 if (tb[NL80211_KEY_MODE])
1027 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1032 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1034 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1035 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1036 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1039 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1040 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1041 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1044 if (info->attrs[NL80211_ATTR_KEY_IDX])
1045 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1047 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1048 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1050 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1051 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1055 k->def_multi = true;
1058 k->def_multi = true;
1060 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1061 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1063 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1064 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1065 int err = nla_parse_nested_deprecated(kdt,
1066 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1067 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1068 nl80211_key_default_policy,
1073 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1074 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1080 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1084 memset(k, 0, sizeof(*k));
1088 if (info->attrs[NL80211_ATTR_KEY])
1089 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1091 err = nl80211_parse_key_old(info, k);
1096 if (k->def && k->defmgmt) {
1097 GENL_SET_ERR_MSG(info, "key with def && defmgmt is invalid");
1102 if (k->def_uni || !k->def_multi) {
1103 GENL_SET_ERR_MSG(info, "defmgmt key must be mcast");
1110 if (k->idx < 4 || k->idx > 5) {
1111 GENL_SET_ERR_MSG(info,
1112 "defmgmt key idx not 4 or 5");
1115 } else if (k->def) {
1116 if (k->idx < 0 || k->idx > 3) {
1117 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1121 if (k->idx < 0 || k->idx > 5) {
1122 GENL_SET_ERR_MSG(info, "key idx not 0-5");
1131 static struct cfg80211_cached_keys *
1132 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1133 struct genl_info *info, bool *no_ht)
1135 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1136 struct key_parse parse;
1138 struct cfg80211_cached_keys *result;
1139 int rem, err, def = 0;
1140 bool have_key = false;
1142 nla_for_each_nested(key, keys, rem) {
1150 result = kzalloc(sizeof(*result), GFP_KERNEL);
1152 return ERR_PTR(-ENOMEM);
1156 nla_for_each_nested(key, keys, rem) {
1157 memset(&parse, 0, sizeof(parse));
1160 err = nl80211_parse_key_new(info, key, &parse);
1166 if (parse.idx < 0 || parse.idx > 3) {
1167 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1172 GENL_SET_ERR_MSG(info,
1173 "only one key can be default");
1177 result->def = parse.idx;
1178 if (!parse.def_uni || !parse.def_multi)
1180 } else if (parse.defmgmt)
1182 err = cfg80211_validate_key_settings(rdev, &parse.p,
1183 parse.idx, false, NULL);
1186 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1187 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1188 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1192 result->params[parse.idx].cipher = parse.p.cipher;
1193 result->params[parse.idx].key_len = parse.p.key_len;
1194 result->params[parse.idx].key = result->data[parse.idx];
1195 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1197 /* must be WEP key if we got here */
1202 if (result->def < 0) {
1204 GENL_SET_ERR_MSG(info, "need a default/TX key");
1211 return ERR_PTR(err);
1214 static int nl80211_key_allowed(struct wireless_dev *wdev)
1216 ASSERT_WDEV_LOCK(wdev);
1218 switch (wdev->iftype) {
1219 case NL80211_IFTYPE_AP:
1220 case NL80211_IFTYPE_AP_VLAN:
1221 case NL80211_IFTYPE_P2P_GO:
1222 case NL80211_IFTYPE_MESH_POINT:
1224 case NL80211_IFTYPE_ADHOC:
1225 case NL80211_IFTYPE_STATION:
1226 case NL80211_IFTYPE_P2P_CLIENT:
1227 if (!wdev->current_bss)
1230 case NL80211_IFTYPE_UNSPECIFIED:
1231 case NL80211_IFTYPE_OCB:
1232 case NL80211_IFTYPE_MONITOR:
1233 case NL80211_IFTYPE_NAN:
1234 case NL80211_IFTYPE_P2P_DEVICE:
1235 case NL80211_IFTYPE_WDS:
1236 case NUM_NL80211_IFTYPES:
1243 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1246 struct ieee80211_channel *chan;
1250 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
1251 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1256 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1258 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1262 goto nla_put_failure;
1266 if ((ifmodes & 1) && nla_put_flag(msg, i))
1267 goto nla_put_failure;
1272 nla_nest_end(msg, nl_modes);
1279 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1280 struct sk_buff *msg,
1283 struct nlattr *nl_combis;
1286 nl_combis = nla_nest_start_noflag(msg,
1287 NL80211_ATTR_INTERFACE_COMBINATIONS);
1289 goto nla_put_failure;
1291 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1292 const struct ieee80211_iface_combination *c;
1293 struct nlattr *nl_combi, *nl_limits;
1295 c = &wiphy->iface_combinations[i];
1297 nl_combi = nla_nest_start_noflag(msg, i + 1);
1299 goto nla_put_failure;
1301 nl_limits = nla_nest_start_noflag(msg,
1302 NL80211_IFACE_COMB_LIMITS);
1304 goto nla_put_failure;
1306 for (j = 0; j < c->n_limits; j++) {
1307 struct nlattr *nl_limit;
1309 nl_limit = nla_nest_start_noflag(msg, j + 1);
1311 goto nla_put_failure;
1312 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1314 goto nla_put_failure;
1315 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1316 c->limits[j].types))
1317 goto nla_put_failure;
1318 nla_nest_end(msg, nl_limit);
1321 nla_nest_end(msg, nl_limits);
1323 if (c->beacon_int_infra_match &&
1324 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1325 goto nla_put_failure;
1326 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1327 c->num_different_channels) ||
1328 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1330 goto nla_put_failure;
1332 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1333 c->radar_detect_widths) ||
1334 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1335 c->radar_detect_regions)))
1336 goto nla_put_failure;
1337 if (c->beacon_int_min_gcd &&
1338 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1339 c->beacon_int_min_gcd))
1340 goto nla_put_failure;
1342 nla_nest_end(msg, nl_combi);
1345 nla_nest_end(msg, nl_combis);
1353 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1354 struct sk_buff *msg)
1356 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1357 struct nlattr *nl_tcp;
1362 nl_tcp = nla_nest_start_noflag(msg,
1363 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1367 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1368 tcp->data_payload_max))
1371 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1372 tcp->data_payload_max))
1375 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1378 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1379 sizeof(*tcp->tok), tcp->tok))
1382 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1383 tcp->data_interval_max))
1386 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1387 tcp->wake_payload_max))
1390 nla_nest_end(msg, nl_tcp);
1394 static int nl80211_send_wowlan(struct sk_buff *msg,
1395 struct cfg80211_registered_device *rdev,
1398 struct nlattr *nl_wowlan;
1400 if (!rdev->wiphy.wowlan)
1403 nl_wowlan = nla_nest_start_noflag(msg,
1404 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1408 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1409 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1410 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1411 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1412 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1413 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1414 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1415 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1416 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1417 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1418 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1419 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1420 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1421 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1422 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1423 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1426 if (rdev->wiphy.wowlan->n_patterns) {
1427 struct nl80211_pattern_support pat = {
1428 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1429 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1430 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1431 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1434 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1439 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1440 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1441 rdev->wiphy.wowlan->max_nd_match_sets))
1444 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1447 nla_nest_end(msg, nl_wowlan);
1453 static int nl80211_send_coalesce(struct sk_buff *msg,
1454 struct cfg80211_registered_device *rdev)
1456 struct nl80211_coalesce_rule_support rule;
1458 if (!rdev->wiphy.coalesce)
1461 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1462 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1463 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1464 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1465 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1466 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1468 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1475 nl80211_send_iftype_data(struct sk_buff *msg,
1476 const struct ieee80211_sband_iftype_data *iftdata)
1478 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1480 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1481 iftdata->types_mask))
1484 if (he_cap->has_he) {
1485 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1486 sizeof(he_cap->he_cap_elem.mac_cap_info),
1487 he_cap->he_cap_elem.mac_cap_info) ||
1488 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1489 sizeof(he_cap->he_cap_elem.phy_cap_info),
1490 he_cap->he_cap_elem.phy_cap_info) ||
1491 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1492 sizeof(he_cap->he_mcs_nss_supp),
1493 &he_cap->he_mcs_nss_supp) ||
1494 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1495 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1502 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1503 struct ieee80211_supported_band *sband)
1505 struct nlattr *nl_rates, *nl_rate;
1506 struct ieee80211_rate *rate;
1510 if (sband->ht_cap.ht_supported &&
1511 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1512 sizeof(sband->ht_cap.mcs),
1513 &sband->ht_cap.mcs) ||
1514 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1515 sband->ht_cap.cap) ||
1516 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1517 sband->ht_cap.ampdu_factor) ||
1518 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1519 sband->ht_cap.ampdu_density)))
1523 if (sband->vht_cap.vht_supported &&
1524 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1525 sizeof(sband->vht_cap.vht_mcs),
1526 &sband->vht_cap.vht_mcs) ||
1527 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1528 sband->vht_cap.cap)))
1531 if (sband->n_iftype_data) {
1532 struct nlattr *nl_iftype_data =
1533 nla_nest_start_noflag(msg,
1534 NL80211_BAND_ATTR_IFTYPE_DATA);
1537 if (!nl_iftype_data)
1540 for (i = 0; i < sband->n_iftype_data; i++) {
1541 struct nlattr *iftdata;
1543 iftdata = nla_nest_start_noflag(msg, i + 1);
1547 err = nl80211_send_iftype_data(msg,
1548 &sband->iftype_data[i]);
1552 nla_nest_end(msg, iftdata);
1555 nla_nest_end(msg, nl_iftype_data);
1559 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1563 for (i = 0; i < sband->n_bitrates; i++) {
1564 nl_rate = nla_nest_start_noflag(msg, i);
1568 rate = &sband->bitrates[i];
1569 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1572 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1574 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1577 nla_nest_end(msg, nl_rate);
1580 nla_nest_end(msg, nl_rates);
1586 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1587 const struct ieee80211_txrx_stypes *mgmt_stypes)
1590 struct nlattr *nl_ftypes, *nl_ifs;
1591 enum nl80211_iftype ift;
1597 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1601 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1602 nl_ftypes = nla_nest_start_noflag(msg, ift);
1606 stypes = mgmt_stypes[ift].tx;
1609 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1610 (i << 4) | IEEE80211_FTYPE_MGMT))
1615 nla_nest_end(msg, nl_ftypes);
1618 nla_nest_end(msg, nl_ifs);
1620 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1624 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1625 nl_ftypes = nla_nest_start_noflag(msg, ift);
1629 stypes = mgmt_stypes[ift].rx;
1632 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1633 (i << 4) | IEEE80211_FTYPE_MGMT))
1638 nla_nest_end(msg, nl_ftypes);
1640 nla_nest_end(msg, nl_ifs);
1645 #define CMD(op, n) \
1647 if (rdev->ops->op) { \
1649 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1650 goto nla_put_failure; \
1654 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1655 struct sk_buff *msg)
1660 * do *NOT* add anything into this function, new things need to be
1661 * advertised only to new versions of userspace that can deal with
1662 * the split (and they can't possibly care about new features...
1664 CMD(add_virtual_intf, NEW_INTERFACE);
1665 CMD(change_virtual_intf, SET_INTERFACE);
1666 CMD(add_key, NEW_KEY);
1667 CMD(start_ap, START_AP);
1668 CMD(add_station, NEW_STATION);
1669 CMD(add_mpath, NEW_MPATH);
1670 CMD(update_mesh_config, SET_MESH_CONFIG);
1671 CMD(change_bss, SET_BSS);
1672 CMD(auth, AUTHENTICATE);
1673 CMD(assoc, ASSOCIATE);
1674 CMD(deauth, DEAUTHENTICATE);
1675 CMD(disassoc, DISASSOCIATE);
1676 CMD(join_ibss, JOIN_IBSS);
1677 CMD(join_mesh, JOIN_MESH);
1678 CMD(set_pmksa, SET_PMKSA);
1679 CMD(del_pmksa, DEL_PMKSA);
1680 CMD(flush_pmksa, FLUSH_PMKSA);
1681 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1682 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1683 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1684 CMD(mgmt_tx, FRAME);
1685 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1686 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1688 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1689 goto nla_put_failure;
1691 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1692 rdev->ops->join_mesh) {
1694 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1695 goto nla_put_failure;
1697 CMD(set_wds_peer, SET_WDS_PEER);
1698 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1699 CMD(tdls_mgmt, TDLS_MGMT);
1700 CMD(tdls_oper, TDLS_OPER);
1702 if (rdev->wiphy.max_sched_scan_reqs)
1703 CMD(sched_scan_start, START_SCHED_SCAN);
1704 CMD(probe_client, PROBE_CLIENT);
1705 CMD(set_noack_map, SET_NOACK_MAP);
1706 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1708 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1709 goto nla_put_failure;
1711 CMD(start_p2p_device, START_P2P_DEVICE);
1712 CMD(set_mcast_rate, SET_MCAST_RATE);
1713 #ifdef CONFIG_NL80211_TESTMODE
1714 CMD(testmode_cmd, TESTMODE);
1717 if (rdev->ops->connect || rdev->ops->auth) {
1719 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1720 goto nla_put_failure;
1723 if (rdev->ops->disconnect || rdev->ops->deauth) {
1725 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1726 goto nla_put_failure;
1735 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1736 struct sk_buff *msg)
1740 if (!cap->ftm.supported)
1743 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
1747 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1749 if (cap->ftm.non_asap &&
1750 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1752 if (cap->ftm.request_lci &&
1753 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1755 if (cap->ftm.request_civicloc &&
1756 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1758 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1759 cap->ftm.preambles))
1761 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1762 cap->ftm.bandwidths))
1764 if (cap->ftm.max_bursts_exponent >= 0 &&
1765 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1766 cap->ftm.max_bursts_exponent))
1768 if (cap->ftm.max_ftms_per_burst &&
1769 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1770 cap->ftm.max_ftms_per_burst))
1773 nla_nest_end(msg, ftm);
1777 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1778 struct sk_buff *msg)
1780 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1781 struct nlattr *pmsr, *caps;
1787 * we don't need to clean up anything here since the caller
1788 * will genlmsg_cancel() if we fail
1791 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
1795 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
1798 if (cap->report_ap_tsf &&
1799 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
1802 if (cap->randomize_mac_addr &&
1803 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
1806 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
1810 if (nl80211_send_pmsr_ftm_capa(cap, msg))
1813 nla_nest_end(msg, caps);
1814 nla_nest_end(msg, pmsr);
1819 struct nl80211_dump_wiphy_state {
1822 long split_start, band_start, chan_start, capa_start;
1826 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
1827 enum nl80211_commands cmd,
1828 struct sk_buff *msg, u32 portid, u32 seq,
1829 int flags, struct nl80211_dump_wiphy_state *state)
1832 struct nlattr *nl_bands, *nl_band;
1833 struct nlattr *nl_freqs, *nl_freq;
1834 struct nlattr *nl_cmds;
1835 enum nl80211_band band;
1836 struct ieee80211_channel *chan;
1838 const struct ieee80211_txrx_stypes *mgmt_stypes =
1839 rdev->wiphy.mgmt_stypes;
1842 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
1846 if (WARN_ON(!state))
1849 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
1850 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1851 wiphy_name(&rdev->wiphy)) ||
1852 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1853 cfg80211_rdev_list_generation))
1854 goto nla_put_failure;
1856 if (cmd != NL80211_CMD_NEW_WIPHY)
1859 switch (state->split_start) {
1861 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1862 rdev->wiphy.retry_short) ||
1863 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1864 rdev->wiphy.retry_long) ||
1865 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1866 rdev->wiphy.frag_threshold) ||
1867 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1868 rdev->wiphy.rts_threshold) ||
1869 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1870 rdev->wiphy.coverage_class) ||
1871 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1872 rdev->wiphy.max_scan_ssids) ||
1873 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1874 rdev->wiphy.max_sched_scan_ssids) ||
1875 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1876 rdev->wiphy.max_scan_ie_len) ||
1877 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1878 rdev->wiphy.max_sched_scan_ie_len) ||
1879 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1880 rdev->wiphy.max_match_sets) ||
1881 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
1882 rdev->wiphy.max_sched_scan_plans) ||
1883 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
1884 rdev->wiphy.max_sched_scan_plan_interval) ||
1885 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
1886 rdev->wiphy.max_sched_scan_plan_iterations))
1887 goto nla_put_failure;
1889 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1890 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1891 goto nla_put_failure;
1892 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1893 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1894 goto nla_put_failure;
1895 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1896 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1897 goto nla_put_failure;
1898 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1899 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1900 goto nla_put_failure;
1901 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1902 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1903 goto nla_put_failure;
1904 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1905 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1906 goto nla_put_failure;
1907 state->split_start++;
1912 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1913 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1914 rdev->wiphy.cipher_suites))
1915 goto nla_put_failure;
1917 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1918 rdev->wiphy.max_num_pmkids))
1919 goto nla_put_failure;
1921 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1922 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1923 goto nla_put_failure;
1925 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1926 rdev->wiphy.available_antennas_tx) ||
1927 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1928 rdev->wiphy.available_antennas_rx))
1929 goto nla_put_failure;
1931 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
1932 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1933 rdev->wiphy.probe_resp_offload))
1934 goto nla_put_failure;
1936 if ((rdev->wiphy.available_antennas_tx ||
1937 rdev->wiphy.available_antennas_rx) &&
1938 rdev->ops->get_antenna) {
1939 u32 tx_ant = 0, rx_ant = 0;
1942 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
1944 if (nla_put_u32(msg,
1945 NL80211_ATTR_WIPHY_ANTENNA_TX,
1948 NL80211_ATTR_WIPHY_ANTENNA_RX,
1950 goto nla_put_failure;
1954 state->split_start++;
1959 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1960 rdev->wiphy.interface_modes))
1961 goto nla_put_failure;
1962 state->split_start++;
1967 nl_bands = nla_nest_start_noflag(msg,
1968 NL80211_ATTR_WIPHY_BANDS);
1970 goto nla_put_failure;
1972 for (band = state->band_start;
1973 band < NUM_NL80211_BANDS; band++) {
1974 struct ieee80211_supported_band *sband;
1976 sband = rdev->wiphy.bands[band];
1981 nl_band = nla_nest_start_noflag(msg, band);
1983 goto nla_put_failure;
1985 switch (state->chan_start) {
1987 if (nl80211_send_band_rateinfo(msg, sband))
1988 goto nla_put_failure;
1989 state->chan_start++;
1994 /* add frequencies */
1995 nl_freqs = nla_nest_start_noflag(msg,
1996 NL80211_BAND_ATTR_FREQS);
1998 goto nla_put_failure;
2000 for (i = state->chan_start - 1;
2001 i < sband->n_channels;
2003 nl_freq = nla_nest_start_noflag(msg,
2006 goto nla_put_failure;
2008 chan = &sband->channels[i];
2010 if (nl80211_msg_put_channel(
2011 msg, &rdev->wiphy, chan,
2013 goto nla_put_failure;
2015 nla_nest_end(msg, nl_freq);
2019 if (i < sband->n_channels)
2020 state->chan_start = i + 2;
2022 state->chan_start = 0;
2023 nla_nest_end(msg, nl_freqs);
2026 nla_nest_end(msg, nl_band);
2029 /* start again here */
2030 if (state->chan_start)
2035 nla_nest_end(msg, nl_bands);
2037 if (band < NUM_NL80211_BANDS)
2038 state->band_start = band + 1;
2040 state->band_start = 0;
2042 /* if bands & channels are done, continue outside */
2043 if (state->band_start == 0 && state->chan_start == 0)
2044 state->split_start++;
2049 nl_cmds = nla_nest_start_noflag(msg,
2050 NL80211_ATTR_SUPPORTED_COMMANDS);
2052 goto nla_put_failure;
2054 i = nl80211_add_commands_unsplit(rdev, msg);
2056 goto nla_put_failure;
2058 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2059 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2060 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2061 CMD(channel_switch, CHANNEL_SWITCH);
2062 CMD(set_qos_map, SET_QOS_MAP);
2063 if (rdev->wiphy.features &
2064 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2065 CMD(add_tx_ts, ADD_TX_TS);
2066 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2067 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2071 nla_nest_end(msg, nl_cmds);
2072 state->split_start++;
2077 if (rdev->ops->remain_on_channel &&
2078 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2080 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2081 rdev->wiphy.max_remain_on_channel_duration))
2082 goto nla_put_failure;
2084 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2085 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2086 goto nla_put_failure;
2088 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2089 goto nla_put_failure;
2090 state->split_start++;
2096 if (nl80211_send_wowlan(msg, rdev, state->split))
2097 goto nla_put_failure;
2098 state->split_start++;
2102 state->split_start++;
2106 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2107 rdev->wiphy.software_iftypes))
2108 goto nla_put_failure;
2110 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2112 goto nla_put_failure;
2114 state->split_start++;
2119 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2120 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2121 rdev->wiphy.ap_sme_capa))
2122 goto nla_put_failure;
2124 features = rdev->wiphy.features;
2126 * We can only add the per-channel limit information if the
2127 * dump is split, otherwise it makes it too big. Therefore
2128 * only advertise it in that case.
2131 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2132 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2133 goto nla_put_failure;
2135 if (rdev->wiphy.ht_capa_mod_mask &&
2136 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2137 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2138 rdev->wiphy.ht_capa_mod_mask))
2139 goto nla_put_failure;
2141 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2142 rdev->wiphy.max_acl_mac_addrs &&
2143 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2144 rdev->wiphy.max_acl_mac_addrs))
2145 goto nla_put_failure;
2148 * Any information below this point is only available to
2149 * applications that can deal with it being split. This
2150 * helps ensure that newly added capabilities don't break
2151 * older tools by overrunning their buffers.
2153 * We still increment split_start so that in the split
2154 * case we'll continue with more data in the next round,
2155 * but break unconditionally so unsplit data stops here.
2157 state->split_start++;
2160 if (rdev->wiphy.extended_capabilities &&
2161 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2162 rdev->wiphy.extended_capabilities_len,
2163 rdev->wiphy.extended_capabilities) ||
2164 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2165 rdev->wiphy.extended_capabilities_len,
2166 rdev->wiphy.extended_capabilities_mask)))
2167 goto nla_put_failure;
2169 if (rdev->wiphy.vht_capa_mod_mask &&
2170 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2171 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2172 rdev->wiphy.vht_capa_mod_mask))
2173 goto nla_put_failure;
2175 state->split_start++;
2178 if (nl80211_send_coalesce(msg, rdev))
2179 goto nla_put_failure;
2181 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2182 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2183 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2184 goto nla_put_failure;
2186 if (rdev->wiphy.max_ap_assoc_sta &&
2187 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2188 rdev->wiphy.max_ap_assoc_sta))
2189 goto nla_put_failure;
2191 state->split_start++;
2194 if (rdev->wiphy.n_vendor_commands) {
2195 const struct nl80211_vendor_cmd_info *info;
2196 struct nlattr *nested;
2198 nested = nla_nest_start_noflag(msg,
2199 NL80211_ATTR_VENDOR_DATA);
2201 goto nla_put_failure;
2203 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2204 info = &rdev->wiphy.vendor_commands[i].info;
2205 if (nla_put(msg, i + 1, sizeof(*info), info))
2206 goto nla_put_failure;
2208 nla_nest_end(msg, nested);
2211 if (rdev->wiphy.n_vendor_events) {
2212 const struct nl80211_vendor_cmd_info *info;
2213 struct nlattr *nested;
2215 nested = nla_nest_start_noflag(msg,
2216 NL80211_ATTR_VENDOR_EVENTS);
2218 goto nla_put_failure;
2220 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2221 info = &rdev->wiphy.vendor_events[i];
2222 if (nla_put(msg, i + 1, sizeof(*info), info))
2223 goto nla_put_failure;
2225 nla_nest_end(msg, nested);
2227 state->split_start++;
2230 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2231 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2232 rdev->wiphy.max_num_csa_counters))
2233 goto nla_put_failure;
2235 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2236 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2237 goto nla_put_failure;
2239 if (rdev->wiphy.max_sched_scan_reqs &&
2240 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2241 rdev->wiphy.max_sched_scan_reqs))
2242 goto nla_put_failure;
2244 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2245 sizeof(rdev->wiphy.ext_features),
2246 rdev->wiphy.ext_features))
2247 goto nla_put_failure;
2249 if (rdev->wiphy.bss_select_support) {
2250 struct nlattr *nested;
2251 u32 bss_select_support = rdev->wiphy.bss_select_support;
2253 nested = nla_nest_start_noflag(msg,
2254 NL80211_ATTR_BSS_SELECT);
2256 goto nla_put_failure;
2259 while (bss_select_support) {
2260 if ((bss_select_support & 1) &&
2261 nla_put_flag(msg, i))
2262 goto nla_put_failure;
2264 bss_select_support >>= 1;
2266 nla_nest_end(msg, nested);
2269 state->split_start++;
2272 if (rdev->wiphy.num_iftype_ext_capab &&
2273 rdev->wiphy.iftype_ext_capab) {
2274 struct nlattr *nested_ext_capab, *nested;
2276 nested = nla_nest_start_noflag(msg,
2277 NL80211_ATTR_IFTYPE_EXT_CAPA);
2279 goto nla_put_failure;
2281 for (i = state->capa_start;
2282 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2283 const struct wiphy_iftype_ext_capab *capab;
2285 capab = &rdev->wiphy.iftype_ext_capab[i];
2287 nested_ext_capab = nla_nest_start_noflag(msg,
2289 if (!nested_ext_capab ||
2290 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2292 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2293 capab->extended_capabilities_len,
2294 capab->extended_capabilities) ||
2295 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2296 capab->extended_capabilities_len,
2297 capab->extended_capabilities_mask))
2298 goto nla_put_failure;
2300 nla_nest_end(msg, nested_ext_capab);
2304 nla_nest_end(msg, nested);
2305 if (i < rdev->wiphy.num_iftype_ext_capab) {
2306 state->capa_start = i + 1;
2311 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2312 rdev->wiphy.nan_supported_bands))
2313 goto nla_put_failure;
2315 if (wiphy_ext_feature_isset(&rdev->wiphy,
2316 NL80211_EXT_FEATURE_TXQS)) {
2317 struct cfg80211_txq_stats txqstats = {};
2320 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2322 !nl80211_put_txq_stats(msg, &txqstats,
2323 NL80211_ATTR_TXQ_STATS))
2324 goto nla_put_failure;
2326 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2327 rdev->wiphy.txq_limit))
2328 goto nla_put_failure;
2329 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2330 rdev->wiphy.txq_memory_limit))
2331 goto nla_put_failure;
2332 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2333 rdev->wiphy.txq_quantum))
2334 goto nla_put_failure;
2337 state->split_start++;
2340 if (nl80211_send_pmsr_capa(rdev, msg))
2341 goto nla_put_failure;
2343 state->split_start++;
2346 if (rdev->wiphy.akm_suites &&
2347 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2348 sizeof(u32) * rdev->wiphy.n_akm_suites,
2349 rdev->wiphy.akm_suites))
2350 goto nla_put_failure;
2353 state->split_start = 0;
2357 genlmsg_end(msg, hdr);
2361 genlmsg_cancel(msg, hdr);
2365 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2366 struct netlink_callback *cb,
2367 struct nl80211_dump_wiphy_state *state)
2369 struct nlattr **tb = genl_family_attrbuf(&nl80211_fam);
2370 int ret = nlmsg_parse_deprecated(cb->nlh,
2371 GENL_HDRLEN + nl80211_fam.hdrsize,
2372 tb, nl80211_fam.maxattr,
2373 nl80211_policy, NULL);
2374 /* ignore parse errors for backward compatibility */
2378 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2379 if (tb[NL80211_ATTR_WIPHY])
2380 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2381 if (tb[NL80211_ATTR_WDEV])
2382 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2383 if (tb[NL80211_ATTR_IFINDEX]) {
2384 struct net_device *netdev;
2385 struct cfg80211_registered_device *rdev;
2386 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2388 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2391 if (netdev->ieee80211_ptr) {
2392 rdev = wiphy_to_rdev(
2393 netdev->ieee80211_ptr->wiphy);
2394 state->filter_wiphy = rdev->wiphy_idx;
2401 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2404 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2405 struct cfg80211_registered_device *rdev;
2409 state = kzalloc(sizeof(*state), GFP_KERNEL);
2414 state->filter_wiphy = -1;
2415 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2421 cb->args[0] = (long)state;
2424 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2425 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2427 if (++idx <= state->start)
2429 if (state->filter_wiphy != -1 &&
2430 state->filter_wiphy != rdev->wiphy_idx)
2432 /* attempt to fit multiple wiphy data chunks into the skb */
2434 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2436 NETLINK_CB(cb->skb).portid,
2438 NLM_F_MULTI, state);
2441 * If sending the wiphy data didn't fit (ENOBUFS
2442 * or EMSGSIZE returned), this SKB is still
2443 * empty (so it's not too big because another
2444 * wiphy dataset is already in the skb) and
2445 * we've not tried to adjust the dump allocation
2446 * yet ... then adjust the alloc size to be
2447 * bigger, and return 1 but with the empty skb.
2448 * This results in an empty message being RX'ed
2449 * in userspace, but that is ignored.
2451 * We can then retry with the larger buffer.
2453 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2454 !skb->len && !state->split &&
2455 cb->min_dump_alloc < 4096) {
2456 cb->min_dump_alloc = 4096;
2457 state->split_start = 0;
2464 } while (state->split_start > 0);
2474 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2476 kfree((void *)cb->args[0]);
2480 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2482 struct sk_buff *msg;
2483 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2484 struct nl80211_dump_wiphy_state state = {};
2486 msg = nlmsg_new(4096, GFP_KERNEL);
2490 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2491 info->snd_portid, info->snd_seq, 0,
2497 return genlmsg_reply(msg, info);
2500 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2501 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2502 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2503 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2504 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2505 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2508 static int parse_txq_params(struct nlattr *tb[],
2509 struct ieee80211_txq_params *txq_params)
2513 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2514 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2515 !tb[NL80211_TXQ_ATTR_AIFS])
2518 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2519 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2520 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2521 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2522 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2524 if (ac >= NL80211_NUM_ACS)
2526 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2530 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2533 * You can only set the channel explicitly for WDS interfaces,
2534 * all others have their channel managed via their respective
2535 * "establish a connection" command (connect, join, ...)
2537 * For AP/GO and mesh mode, the channel can be set with the
2538 * channel userspace API, but is only stored and passed to the
2539 * low-level driver when the AP starts or the mesh is joined.
2540 * This is for backward compatibility, userspace can also give
2541 * the channel in the start-ap or join-mesh commands instead.
2543 * Monitors are special as they are normally slaved to
2544 * whatever else is going on, so they have their own special
2545 * operation to set the monitor channel if possible.
2548 wdev->iftype == NL80211_IFTYPE_AP ||
2549 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2550 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2551 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2554 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2555 struct genl_info *info,
2556 struct cfg80211_chan_def *chandef)
2558 struct netlink_ext_ack *extack = info->extack;
2559 struct nlattr **attrs = info->attrs;
2562 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
2565 control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);
2567 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
2568 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2569 chandef->center_freq1 = control_freq;
2570 chandef->center_freq2 = 0;
2572 /* Primary channel not allowed */
2573 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2574 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2575 "Channel is disabled");
2579 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2580 enum nl80211_channel_type chantype;
2582 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2585 case NL80211_CHAN_NO_HT:
2586 case NL80211_CHAN_HT20:
2587 case NL80211_CHAN_HT40PLUS:
2588 case NL80211_CHAN_HT40MINUS:
2589 cfg80211_chandef_create(chandef, chandef->chan,
2591 /* user input for center_freq is incorrect */
2592 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
2593 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
2594 NL_SET_ERR_MSG_ATTR(extack,
2595 attrs[NL80211_ATTR_CENTER_FREQ1],
2596 "bad center frequency 1");
2599 /* center_freq2 must be zero */
2600 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
2601 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
2602 NL_SET_ERR_MSG_ATTR(extack,
2603 attrs[NL80211_ATTR_CENTER_FREQ2],
2604 "center frequency 2 can't be used");
2609 NL_SET_ERR_MSG_ATTR(extack,
2610 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2611 "invalid channel type");
2614 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
2616 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2617 if (attrs[NL80211_ATTR_CENTER_FREQ1])
2618 chandef->center_freq1 =
2619 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
2620 if (attrs[NL80211_ATTR_CENTER_FREQ2])
2621 chandef->center_freq2 =
2622 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
2625 if (!cfg80211_chandef_valid(chandef)) {
2626 NL_SET_ERR_MSG(extack, "invalid channel definition");
2630 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
2631 IEEE80211_CHAN_DISABLED)) {
2632 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
2636 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2637 chandef->width == NL80211_CHAN_WIDTH_10) &&
2638 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
2639 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2646 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
2647 struct net_device *dev,
2648 struct genl_info *info)
2650 struct cfg80211_chan_def chandef;
2652 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
2653 struct wireless_dev *wdev = NULL;
2656 wdev = dev->ieee80211_ptr;
2657 if (!nl80211_can_set_dev_channel(wdev))
2660 iftype = wdev->iftype;
2662 result = nl80211_parse_chandef(rdev, info, &chandef);
2667 case NL80211_IFTYPE_AP:
2668 case NL80211_IFTYPE_P2P_GO:
2669 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2674 if (wdev->beacon_interval) {
2675 if (!dev || !rdev->ops->set_ap_chanwidth ||
2676 !(rdev->wiphy.features &
2677 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2682 /* Only allow dynamic channel width changes */
2683 if (chandef.chan != wdev->preset_chandef.chan) {
2687 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2691 wdev->preset_chandef = chandef;
2694 case NL80211_IFTYPE_MESH_POINT:
2695 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
2697 case NL80211_IFTYPE_MONITOR:
2698 result = cfg80211_set_monitor_channel(rdev, &chandef);
2707 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2709 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2710 struct net_device *netdev = info->user_ptr[1];
2712 return __nl80211_set_channel(rdev, netdev, info);
2715 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2717 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2718 struct net_device *dev = info->user_ptr[1];
2719 struct wireless_dev *wdev = dev->ieee80211_ptr;
2722 if (!info->attrs[NL80211_ATTR_MAC])
2725 if (netif_running(dev))
2728 if (!rdev->ops->set_wds_peer)
2731 if (wdev->iftype != NL80211_IFTYPE_WDS)
2734 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
2735 return rdev_set_wds_peer(rdev, dev, bssid);
2738 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2740 struct cfg80211_registered_device *rdev;
2741 struct net_device *netdev = NULL;
2742 struct wireless_dev *wdev;
2743 int result = 0, rem_txq_params = 0;
2744 struct nlattr *nl_txq_params;
2746 u8 retry_short = 0, retry_long = 0;
2747 u32 frag_threshold = 0, rts_threshold = 0;
2748 u8 coverage_class = 0;
2749 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
2754 * Try to find the wiphy and netdev. Normally this
2755 * function shouldn't need the netdev, but this is
2756 * done for backward compatibility -- previously
2757 * setting the channel was done per wiphy, but now
2758 * it is per netdev. Previous userland like hostapd
2759 * also passed a netdev to set_wiphy, so that it is
2760 * possible to let that go to the right netdev!
2763 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2764 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2766 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
2767 if (netdev && netdev->ieee80211_ptr)
2768 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
2774 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2777 return PTR_ERR(rdev);
2782 wdev = netdev->ieee80211_ptr;
2785 * end workaround code, by now the rdev is available
2786 * and locked, and wdev may or may not be NULL.
2789 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
2790 result = cfg80211_dev_rename(
2791 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
2796 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2797 struct ieee80211_txq_params txq_params;
2798 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2800 if (!rdev->ops->set_txq_params)
2806 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2807 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2810 if (!netif_running(netdev))
2813 nla_for_each_nested(nl_txq_params,
2814 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2816 result = nla_parse_nested_deprecated(tb,
2817 NL80211_TXQ_ATTR_MAX,
2823 result = parse_txq_params(tb, &txq_params);
2827 result = rdev_set_txq_params(rdev, netdev,
2834 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2835 result = __nl80211_set_channel(
2837 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2843 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2844 struct wireless_dev *txp_wdev = wdev;
2845 enum nl80211_tx_power_setting type;
2848 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2851 if (!rdev->ops->set_tx_power)
2854 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2855 type = nla_get_u32(info->attrs[idx]);
2857 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2858 (type != NL80211_TX_POWER_AUTOMATIC))
2861 if (type != NL80211_TX_POWER_AUTOMATIC) {
2862 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2863 mbm = nla_get_u32(info->attrs[idx]);
2866 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2871 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2872 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2875 if ((!rdev->wiphy.available_antennas_tx &&
2876 !rdev->wiphy.available_antennas_rx) ||
2877 !rdev->ops->set_antenna)
2880 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2881 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2883 /* reject antenna configurations which don't match the
2884 * available antenna masks, except for the "all" mask */
2885 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
2886 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
2889 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2890 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
2892 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
2899 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2900 retry_short = nla_get_u8(
2901 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
2903 changed |= WIPHY_PARAM_RETRY_SHORT;
2906 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2907 retry_long = nla_get_u8(
2908 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
2910 changed |= WIPHY_PARAM_RETRY_LONG;
2913 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2914 frag_threshold = nla_get_u32(
2915 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
2916 if (frag_threshold < 256)
2919 if (frag_threshold != (u32) -1) {
2921 * Fragments (apart from the last one) are required to
2922 * have even length. Make the fragmentation code
2923 * simpler by stripping LSB should someone try to use
2924 * odd threshold value.
2926 frag_threshold &= ~0x1;
2928 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2931 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2932 rts_threshold = nla_get_u32(
2933 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2934 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2937 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
2938 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
2941 coverage_class = nla_get_u8(
2942 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2943 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2946 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
2947 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
2950 changed |= WIPHY_PARAM_DYN_ACK;
2953 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
2954 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2955 NL80211_EXT_FEATURE_TXQS))
2957 txq_limit = nla_get_u32(
2958 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
2959 changed |= WIPHY_PARAM_TXQ_LIMIT;
2962 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
2963 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2964 NL80211_EXT_FEATURE_TXQS))
2966 txq_memory_limit = nla_get_u32(
2967 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
2968 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
2971 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
2972 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2973 NL80211_EXT_FEATURE_TXQS))
2975 txq_quantum = nla_get_u32(
2976 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
2977 changed |= WIPHY_PARAM_TXQ_QUANTUM;
2981 u8 old_retry_short, old_retry_long;
2982 u32 old_frag_threshold, old_rts_threshold;
2983 u8 old_coverage_class;
2984 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
2986 if (!rdev->ops->set_wiphy_params)
2989 old_retry_short = rdev->wiphy.retry_short;
2990 old_retry_long = rdev->wiphy.retry_long;
2991 old_frag_threshold = rdev->wiphy.frag_threshold;
2992 old_rts_threshold = rdev->wiphy.rts_threshold;
2993 old_coverage_class = rdev->wiphy.coverage_class;
2994 old_txq_limit = rdev->wiphy.txq_limit;
2995 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
2996 old_txq_quantum = rdev->wiphy.txq_quantum;
2998 if (changed & WIPHY_PARAM_RETRY_SHORT)
2999 rdev->wiphy.retry_short = retry_short;
3000 if (changed & WIPHY_PARAM_RETRY_LONG)
3001 rdev->wiphy.retry_long = retry_long;
3002 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3003 rdev->wiphy.frag_threshold = frag_threshold;
3004 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3005 rdev->wiphy.rts_threshold = rts_threshold;
3006 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3007 rdev->wiphy.coverage_class = coverage_class;
3008 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3009 rdev->wiphy.txq_limit = txq_limit;
3010 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3011 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3012 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3013 rdev->wiphy.txq_quantum = txq_quantum;
3015 result = rdev_set_wiphy_params(rdev, changed);
3017 rdev->wiphy.retry_short = old_retry_short;
3018 rdev->wiphy.retry_long = old_retry_long;
3019 rdev->wiphy.frag_threshold = old_frag_threshold;
3020 rdev->wiphy.rts_threshold = old_rts_threshold;
3021 rdev->wiphy.coverage_class = old_coverage_class;
3022 rdev->wiphy.txq_limit = old_txq_limit;
3023 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3024 rdev->wiphy.txq_quantum = old_txq_quantum;
3031 static int nl80211_send_chandef(struct sk_buff *msg,
3032 const struct cfg80211_chan_def *chandef)
3034 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3037 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3038 chandef->chan->center_freq))
3040 switch (chandef->width) {
3041 case NL80211_CHAN_WIDTH_20_NOHT:
3042 case NL80211_CHAN_WIDTH_20:
3043 case NL80211_CHAN_WIDTH_40:
3044 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3045 cfg80211_get_chandef_type(chandef)))
3051 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3053 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3055 if (chandef->center_freq2 &&
3056 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3061 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3062 struct cfg80211_registered_device *rdev,
3063 struct wireless_dev *wdev,
3064 enum nl80211_commands cmd)
3066 struct net_device *dev = wdev->netdev;
3069 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3070 cmd != NL80211_CMD_DEL_INTERFACE &&
3071 cmd != NL80211_CMD_SET_INTERFACE);
3073 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3078 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3079 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3080 goto nla_put_failure;
3082 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3083 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3084 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3085 NL80211_ATTR_PAD) ||
3086 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3087 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3088 rdev->devlist_generation ^
3089 (cfg80211_rdev_list_generation << 2)) ||
3090 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3091 goto nla_put_failure;
3093 if (rdev->ops->get_channel) {
3095 struct cfg80211_chan_def chandef;
3097 ret = rdev_get_channel(rdev, wdev, &chandef);
3099 if (nl80211_send_chandef(msg, &chandef))
3100 goto nla_put_failure;
3104 if (rdev->ops->get_tx_power) {
3107 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3109 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3111 goto nla_put_failure;
3115 switch (wdev->iftype) {
3116 case NL80211_IFTYPE_AP:
3117 if (wdev->ssid_len &&
3118 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3119 goto nla_put_failure_locked;
3121 case NL80211_IFTYPE_STATION:
3122 case NL80211_IFTYPE_P2P_CLIENT:
3123 case NL80211_IFTYPE_ADHOC: {
3125 if (!wdev->current_bss)
3128 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3131 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3132 goto nla_put_failure_rcu_locked;
3142 if (rdev->ops->get_txq_stats) {
3143 struct cfg80211_txq_stats txqstats = {};
3144 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3147 !nl80211_put_txq_stats(msg, &txqstats,
3148 NL80211_ATTR_TXQ_STATS))
3149 goto nla_put_failure;
3152 genlmsg_end(msg, hdr);
3155 nla_put_failure_rcu_locked:
3157 nla_put_failure_locked:
3160 genlmsg_cancel(msg, hdr);
3164 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3168 int wp_start = cb->args[0];
3169 int if_start = cb->args[1];
3170 int filter_wiphy = -1;
3171 struct cfg80211_registered_device *rdev;
3172 struct wireless_dev *wdev;
3177 struct nl80211_dump_wiphy_state state = {
3181 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3185 filter_wiphy = state.filter_wiphy;
3188 * if filtering, set cb->args[2] to +1 since 0 is the default
3189 * value needed to determine that parsing is necessary.
3191 if (filter_wiphy >= 0)
3192 cb->args[2] = filter_wiphy + 1;
3195 } else if (cb->args[2] > 0) {
3196 filter_wiphy = cb->args[2] - 1;
3199 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3200 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3202 if (wp_idx < wp_start) {
3207 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3212 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3213 if (if_idx < if_start) {
3217 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3218 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3220 NL80211_CMD_NEW_INTERFACE) < 0) {
3229 cb->args[0] = wp_idx;
3230 cb->args[1] = if_idx;
3239 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3241 struct sk_buff *msg;
3242 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3243 struct wireless_dev *wdev = info->user_ptr[1];
3245 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3249 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3250 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3255 return genlmsg_reply(msg, info);
3258 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3259 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3260 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3261 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3262 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3263 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3264 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3267 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3269 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3277 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3280 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3282 *mntrflags |= (1<<flag);
3284 *mntrflags |= MONITOR_FLAG_CHANGED;
3289 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3290 enum nl80211_iftype type,
3291 struct genl_info *info,
3292 struct vif_params *params)
3294 bool change = false;
3297 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3298 if (type != NL80211_IFTYPE_MONITOR)
3301 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3309 if (params->flags & MONITOR_FLAG_ACTIVE &&
3310 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3313 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3314 const u8 *mumimo_groups;
3315 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3317 if (type != NL80211_IFTYPE_MONITOR)
3320 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3324 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3326 /* bits 0 and 63 are reserved and must be zero */
3327 if ((mumimo_groups[0] & BIT(0)) ||
3328 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3331 params->vht_mumimo_groups = mumimo_groups;
3335 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3336 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3338 if (type != NL80211_IFTYPE_MONITOR)
3341 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3344 params->vht_mumimo_follow_addr =
3345 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3349 return change ? 1 : 0;
3352 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3353 struct net_device *netdev, u8 use_4addr,
3354 enum nl80211_iftype iftype)
3357 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
3363 case NL80211_IFTYPE_AP_VLAN:
3364 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3367 case NL80211_IFTYPE_STATION:
3368 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3378 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3380 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3381 struct vif_params params;
3383 enum nl80211_iftype otype, ntype;
3384 struct net_device *dev = info->user_ptr[1];
3385 bool change = false;
3387 memset(¶ms, 0, sizeof(params));
3389 otype = ntype = dev->ieee80211_ptr->iftype;
3391 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3392 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3397 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3398 struct wireless_dev *wdev = dev->ieee80211_ptr;
3400 if (ntype != NL80211_IFTYPE_MESH_POINT)
3402 if (netif_running(dev))
3406 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3407 IEEE80211_MAX_MESH_ID_LEN);
3408 wdev->mesh_id_up_len =
3409 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3410 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3411 wdev->mesh_id_up_len);
3415 if (info->attrs[NL80211_ATTR_4ADDR]) {
3416 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3418 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3422 params.use_4addr = -1;
3425 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3432 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3436 if (!err && params.use_4addr != -1)
3437 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3439 if (change && !err) {
3440 struct wireless_dev *wdev = dev->ieee80211_ptr;
3442 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3448 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3450 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3451 struct vif_params params;
3452 struct wireless_dev *wdev;
3453 struct sk_buff *msg;
3455 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3457 /* to avoid failing a new interface creation due to pending removal */
3458 cfg80211_destroy_ifaces(rdev);
3460 memset(¶ms, 0, sizeof(params));
3462 if (!info->attrs[NL80211_ATTR_IFNAME])
3465 if (info->attrs[NL80211_ATTR_IFTYPE])
3466 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3468 if (!rdev->ops->add_virtual_intf)
3471 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3472 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3473 info->attrs[NL80211_ATTR_MAC]) {
3474 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3476 if (!is_valid_ether_addr(params.macaddr))
3477 return -EADDRNOTAVAIL;
3480 if (info->attrs[NL80211_ATTR_4ADDR]) {
3481 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3482 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3487 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
3490 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3494 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3498 wdev = rdev_add_virtual_intf(rdev,
3499 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3500 NET_NAME_USER, type, ¶ms);
3501 if (WARN_ON(!wdev)) {
3504 } else if (IS_ERR(wdev)) {
3506 return PTR_ERR(wdev);
3509 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3510 wdev->owner_nlportid = info->snd_portid;
3513 case NL80211_IFTYPE_MESH_POINT:
3514 if (!info->attrs[NL80211_ATTR_MESH_ID])
3517 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3518 IEEE80211_MAX_MESH_ID_LEN);
3519 wdev->mesh_id_up_len =
3520 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3521 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3522 wdev->mesh_id_up_len);
3525 case NL80211_IFTYPE_NAN:
3526 case NL80211_IFTYPE_P2P_DEVICE:
3528 * P2P Device and NAN do not have a netdev, so don't go
3529 * through the netdev notifier and must be added here
3531 cfg80211_init_wdev(rdev, wdev);
3537 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3538 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3543 return genlmsg_reply(msg, info);
3546 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3548 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3549 struct wireless_dev *wdev = info->user_ptr[1];
3551 if (!rdev->ops->del_virtual_intf)
3555 * If we remove a wireless device without a netdev then clear
3556 * user_ptr[1] so that nl80211_post_doit won't dereference it
3557 * to check if it needs to do dev_put(). Otherwise it crashes
3558 * since the wdev has been freed, unlike with a netdev where
3559 * we need the dev_put() for the netdev to really be freed.
3562 info->user_ptr[1] = NULL;
3564 return rdev_del_virtual_intf(rdev, wdev);
3567 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3569 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3570 struct net_device *dev = info->user_ptr[1];
3573 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3576 if (!rdev->ops->set_noack_map)
3579 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3581 return rdev_set_noack_map(rdev, dev, noack_map);
3584 struct get_key_cookie {
3585 struct sk_buff *msg;
3590 static void get_key_callback(void *c, struct key_params *params)
3593 struct get_key_cookie *cookie = c;
3596 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3597 params->key_len, params->key)) ||
3599 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3600 params->seq_len, params->seq)) ||
3602 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3604 goto nla_put_failure;
3606 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
3608 goto nla_put_failure;
3611 nla_put(cookie->msg, NL80211_KEY_DATA,
3612 params->key_len, params->key)) ||
3614 nla_put(cookie->msg, NL80211_KEY_SEQ,
3615 params->seq_len, params->seq)) ||
3617 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3619 goto nla_put_failure;
3621 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
3622 goto nla_put_failure;
3624 nla_nest_end(cookie->msg, key);
3631 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3633 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3635 struct net_device *dev = info->user_ptr[1];
3637 const u8 *mac_addr = NULL;
3639 struct get_key_cookie cookie = {
3643 struct sk_buff *msg;
3645 if (info->attrs[NL80211_ATTR_KEY_IDX])
3646 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3648 if (info->attrs[NL80211_ATTR_MAC])
3649 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3651 pairwise = !!mac_addr;
3652 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3653 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
3655 if (kt != NL80211_KEYTYPE_GROUP &&
3656 kt != NL80211_KEYTYPE_PAIRWISE)
3658 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3661 if (!rdev->ops->get_key)
3664 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3667 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3671 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3672 NL80211_CMD_NEW_KEY);
3674 goto nla_put_failure;
3677 cookie.idx = key_idx;
3679 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3680 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3681 goto nla_put_failure;
3683 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3684 goto nla_put_failure;
3686 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3693 goto nla_put_failure;
3695 genlmsg_end(msg, hdr);
3696 return genlmsg_reply(msg, info);
3705 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3707 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3708 struct key_parse key;
3710 struct net_device *dev = info->user_ptr[1];
3712 err = nl80211_parse_key(info, &key);
3719 /* Only support setting default key and
3720 * Extended Key ID action NL80211_KEY_SET_TX.
3722 if (!key.def && !key.defmgmt &&
3723 !(key.p.mode == NL80211_KEY_SET_TX))
3726 wdev_lock(dev->ieee80211_ptr);
3729 if (!rdev->ops->set_default_key) {
3734 err = nl80211_key_allowed(dev->ieee80211_ptr);
3738 err = rdev_set_default_key(rdev, dev, key.idx,
3739 key.def_uni, key.def_multi);
3744 #ifdef CONFIG_CFG80211_WEXT
3745 dev->ieee80211_ptr->wext.default_key = key.idx;
3747 } else if (key.defmgmt) {
3748 if (key.def_uni || !key.def_multi) {
3753 if (!rdev->ops->set_default_mgmt_key) {
3758 err = nl80211_key_allowed(dev->ieee80211_ptr);
3762 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
3766 #ifdef CONFIG_CFG80211_WEXT
3767 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
3769 } else if (key.p.mode == NL80211_KEY_SET_TX &&
3770 wiphy_ext_feature_isset(&rdev->wiphy,
3771 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
3772 u8 *mac_addr = NULL;
3774 if (info->attrs[NL80211_ATTR_MAC])
3775 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3777 if (!mac_addr || key.idx < 0 || key.idx > 1) {
3782 err = rdev_add_key(rdev, dev, key.idx,
3783 NL80211_KEYTYPE_PAIRWISE,
3789 wdev_unlock(dev->ieee80211_ptr);
3794 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3796 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3798 struct net_device *dev = info->user_ptr[1];
3799 struct key_parse key;
3800 const u8 *mac_addr = NULL;
3802 err = nl80211_parse_key(info, &key);
3809 if (info->attrs[NL80211_ATTR_MAC])
3810 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3812 if (key.type == -1) {
3814 key.type = NL80211_KEYTYPE_PAIRWISE;
3816 key.type = NL80211_KEYTYPE_GROUP;
3820 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3821 key.type != NL80211_KEYTYPE_GROUP)
3824 if (!rdev->ops->add_key)
3827 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3828 key.type == NL80211_KEYTYPE_PAIRWISE,
3832 wdev_lock(dev->ieee80211_ptr);
3833 err = nl80211_key_allowed(dev->ieee80211_ptr);
3835 err = rdev_add_key(rdev, dev, key.idx,
3836 key.type == NL80211_KEYTYPE_PAIRWISE,
3838 wdev_unlock(dev->ieee80211_ptr);
3843 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3845 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3847 struct net_device *dev = info->user_ptr[1];
3848 u8 *mac_addr = NULL;
3849 struct key_parse key;
3851 err = nl80211_parse_key(info, &key);
3855 if (info->attrs[NL80211_ATTR_MAC])
3856 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3858 if (key.type == -1) {
3860 key.type = NL80211_KEYTYPE_PAIRWISE;
3862 key.type = NL80211_KEYTYPE_GROUP;
3866 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3867 key.type != NL80211_KEYTYPE_GROUP)
3870 if (!rdev->ops->del_key)
3873 wdev_lock(dev->ieee80211_ptr);
3874 err = nl80211_key_allowed(dev->ieee80211_ptr);
3876 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
3877 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3881 err = rdev_del_key(rdev, dev, key.idx,
3882 key.type == NL80211_KEYTYPE_PAIRWISE,
3885 #ifdef CONFIG_CFG80211_WEXT
3887 if (key.idx == dev->ieee80211_ptr->wext.default_key)
3888 dev->ieee80211_ptr->wext.default_key = -1;
3889 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
3890 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
3893 wdev_unlock(dev->ieee80211_ptr);
3898 /* This function returns an error or the number of nested attributes */
3899 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
3901 struct nlattr *attr;
3902 int n_entries = 0, tmp;
3904 nla_for_each_nested(attr, nl_attr, tmp) {
3905 if (nla_len(attr) != ETH_ALEN)
3915 * This function parses ACL information and allocates memory for ACL data.
3916 * On successful return, the calling function is responsible to free the
3917 * ACL buffer returned by this function.
3919 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
3920 struct genl_info *info)
3922 enum nl80211_acl_policy acl_policy;
3923 struct nlattr *attr;
3924 struct cfg80211_acl_data *acl;
3925 int i = 0, n_entries, tmp;
3927 if (!wiphy->max_acl_mac_addrs)
3928 return ERR_PTR(-EOPNOTSUPP);
3930 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
3931 return ERR_PTR(-EINVAL);
3933 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
3934 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
3935 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
3936 return ERR_PTR(-EINVAL);
3938 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
3939 return ERR_PTR(-EINVAL);
3941 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
3943 return ERR_PTR(n_entries);
3945 if (n_entries > wiphy->max_acl_mac_addrs)
3946 return ERR_PTR(-ENOTSUPP);
3948 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
3950 return ERR_PTR(-ENOMEM);
3952 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
3953 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
3957 acl->n_acl_entries = n_entries;
3958 acl->acl_policy = acl_policy;
3963 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
3965 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3966 struct net_device *dev = info->user_ptr[1];
3967 struct cfg80211_acl_data *acl;
3970 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3971 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3974 if (!dev->ieee80211_ptr->beacon_interval)
3977 acl = parse_acl_data(&rdev->wiphy, info);
3979 return PTR_ERR(acl);
3981 err = rdev_set_mac_acl(rdev, dev, acl);
3988 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
3989 u8 *rates, u8 rates_len)
3994 for (i = 0; i < rates_len; i++) {
3995 int rate = (rates[i] & 0x7f) * 5;
3998 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
3999 struct ieee80211_rate *srate =
4000 &sband->bitrates[ridx];
4001 if (rate == srate->bitrate) {
4006 if (ridx == sband->n_bitrates)
4007 return 0; /* rate not found */
4013 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4014 u8 *rates, u8 rates_len,
4015 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4019 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4021 for (i = 0; i < rates_len; i++) {
4024 ridx = rates[i] / 8;
4025 rbit = BIT(rates[i] % 8);
4027 /* check validity */
4028 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4031 /* check availability */
4032 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4033 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4042 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4046 switch (vht_mcs_map) {
4047 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4049 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4052 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4055 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4065 static void vht_build_mcs_mask(u16 vht_mcs_map,
4066 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4070 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4071 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4076 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4077 struct nl80211_txrate_vht *txrate,
4078 u16 mcs[NL80211_VHT_NSS_MAX])
4080 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4081 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4084 if (!sband->vht_cap.vht_supported)
4087 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4089 /* Build vht_mcs_mask from VHT capabilities */
4090 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4092 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4093 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4094 mcs[i] = txrate->mcs[i];
4102 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
4103 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
4104 .len = NL80211_MAX_SUPP_RATES },
4105 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
4106 .len = NL80211_MAX_SUPP_HT_RATES },
4107 [NL80211_TXRATE_VHT] = {
4108 .type = NLA_EXACT_LEN_WARN,
4109 .len = sizeof(struct nl80211_txrate_vht),
4111 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
4114 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4115 struct cfg80211_bitrate_mask *mask)
4117 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4118 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4120 struct nlattr *tx_rates;
4121 struct ieee80211_supported_band *sband;
4124 memset(mask, 0, sizeof(*mask));
4125 /* Default to all rates enabled */
4126 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4127 sband = rdev->wiphy.bands[i];
4132 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4133 memcpy(mask->control[i].ht_mcs,
4134 sband->ht_cap.mcs.rx_mask,
4135 sizeof(mask->control[i].ht_mcs));
4137 if (!sband->vht_cap.vht_supported)
4140 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4141 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4144 /* if no rates are given set it back to the defaults */
4145 if (!info->attrs[NL80211_ATTR_TX_RATES])
4148 /* The nested attribute uses enum nl80211_band as the index. This maps
4149 * directly to the enum nl80211_band values used in cfg80211.
4151 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4152 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
4153 enum nl80211_band band = nla_type(tx_rates);
4156 if (band < 0 || band >= NUM_NL80211_BANDS)
4158 sband = rdev->wiphy.bands[band];
4161 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4163 nl80211_txattr_policy,
4167 if (tb[NL80211_TXRATE_LEGACY]) {
4168 mask->control[band].legacy = rateset_to_mask(
4170 nla_data(tb[NL80211_TXRATE_LEGACY]),
4171 nla_len(tb[NL80211_TXRATE_LEGACY]));
4172 if ((mask->control[band].legacy == 0) &&
4173 nla_len(tb[NL80211_TXRATE_LEGACY]))
4176 if (tb[NL80211_TXRATE_HT]) {
4177 if (!ht_rateset_to_mask(
4179 nla_data(tb[NL80211_TXRATE_HT]),
4180 nla_len(tb[NL80211_TXRATE_HT]),
4181 mask->control[band].ht_mcs))
4184 if (tb[NL80211_TXRATE_VHT]) {
4185 if (!vht_set_mcs_mask(
4187 nla_data(tb[NL80211_TXRATE_VHT]),
4188 mask->control[band].vht_mcs))
4191 if (tb[NL80211_TXRATE_GI]) {
4192 mask->control[band].gi =
4193 nla_get_u8(tb[NL80211_TXRATE_GI]);
4194 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4198 if (mask->control[band].legacy == 0) {
4199 /* don't allow empty legacy rates if HT or VHT
4200 * are not even supported.
4202 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4203 rdev->wiphy.bands[band]->vht_cap.vht_supported))
4206 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4207 if (mask->control[band].ht_mcs[i])
4210 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4211 if (mask->control[band].vht_mcs[i])
4214 /* legacy and mcs rates may not be both empty */
4223 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4224 enum nl80211_band band,
4225 struct cfg80211_bitrate_mask *beacon_rate)
4227 u32 count_ht, count_vht, i;
4228 u32 rate = beacon_rate->control[band].legacy;
4230 /* Allow only one rate */
4231 if (hweight32(rate) > 1)
4235 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4236 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4238 } else if (beacon_rate->control[band].ht_mcs[i]) {
4243 if (count_ht && rate)
4248 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4249 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4251 } else if (beacon_rate->control[band].vht_mcs[i]) {
4256 if (count_vht && rate)
4260 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4264 !wiphy_ext_feature_isset(&rdev->wiphy,
4265 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4268 !wiphy_ext_feature_isset(&rdev->wiphy,
4269 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4272 !wiphy_ext_feature_isset(&rdev->wiphy,
4273 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4279 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4280 struct nlattr *attrs[],
4281 struct cfg80211_beacon_data *bcn)
4283 bool haveinfo = false;
4286 memset(bcn, 0, sizeof(*bcn));
4288 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4289 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4290 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4296 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4297 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4298 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4305 if (attrs[NL80211_ATTR_IE]) {
4306 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4307 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4310 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4311 bcn->proberesp_ies =
4312 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4313 bcn->proberesp_ies_len =
4314 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4317 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4318 bcn->assocresp_ies =
4319 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4320 bcn->assocresp_ies_len =
4321 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4324 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4325 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4326 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
4329 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4330 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4332 err = nla_parse_nested_deprecated(tb,
4333 NL80211_FTM_RESP_ATTR_MAX,
4334 attrs[NL80211_ATTR_FTM_RESPONDER],
4339 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4340 wiphy_ext_feature_isset(&rdev->wiphy,
4341 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4342 bcn->ftm_responder = 1;
4346 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4347 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4348 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4351 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4352 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4353 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4356 bcn->ftm_responder = -1;
4362 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
4370 for (i = 0; i < rates[1]; i++) {
4371 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
4372 params->ht_required = true;
4373 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
4374 params->vht_required = true;
4379 * Since the nl80211 API didn't include, from the beginning, attributes about
4380 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4381 * benefit of drivers that rebuild IEs in the firmware.
4383 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
4385 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
4386 size_t ies_len = bcn->tail_len;
4387 const u8 *ies = bcn->tail;
4391 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
4392 nl80211_check_ap_rate_selectors(params, rates);
4394 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
4395 nl80211_check_ap_rate_selectors(params, rates);
4397 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
4398 if (cap && cap[1] >= sizeof(*params->ht_cap))
4399 params->ht_cap = (void *)(cap + 2);
4400 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
4401 if (cap && cap[1] >= sizeof(*params->vht_cap))
4402 params->vht_cap = (void *)(cap + 2);
4403 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
4404 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
4405 params->he_cap = (void *)(cap + 3);
4408 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
4409 struct cfg80211_ap_settings *params)
4411 struct wireless_dev *wdev;
4414 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
4415 if (wdev->iftype != NL80211_IFTYPE_AP &&
4416 wdev->iftype != NL80211_IFTYPE_P2P_GO)
4419 if (!wdev->preset_chandef.chan)
4422 params->chandef = wdev->preset_chandef;
4430 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
4431 enum nl80211_auth_type auth_type,
4432 enum nl80211_commands cmd)
4434 if (auth_type > NL80211_AUTHTYPE_MAX)
4438 case NL80211_CMD_AUTHENTICATE:
4439 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4440 auth_type == NL80211_AUTHTYPE_SAE)
4442 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4443 NL80211_EXT_FEATURE_FILS_STA) &&
4444 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4445 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4446 auth_type == NL80211_AUTHTYPE_FILS_PK))
4449 case NL80211_CMD_CONNECT:
4450 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4451 !wiphy_ext_feature_isset(&rdev->wiphy,
4452 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
4453 auth_type == NL80211_AUTHTYPE_SAE)
4456 /* FILS with SK PFS or PK not supported yet */
4457 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4458 auth_type == NL80211_AUTHTYPE_FILS_PK)
4460 if (!wiphy_ext_feature_isset(
4462 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
4463 auth_type == NL80211_AUTHTYPE_FILS_SK)
4466 case NL80211_CMD_START_AP:
4467 /* SAE not supported yet */
4468 if (auth_type == NL80211_AUTHTYPE_SAE)
4470 /* FILS not supported yet */
4471 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4472 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4473 auth_type == NL80211_AUTHTYPE_FILS_PK)
4481 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
4483 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4484 struct net_device *dev = info->user_ptr[1];
4485 struct wireless_dev *wdev = dev->ieee80211_ptr;
4486 struct cfg80211_ap_settings params;
4489 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4490 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4493 if (!rdev->ops->start_ap)
4496 if (wdev->beacon_interval)
4499 memset(¶ms, 0, sizeof(params));
4501 /* these are required for START_AP */
4502 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
4503 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4504 !info->attrs[NL80211_ATTR_BEACON_HEAD])
4507 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
4511 params.beacon_interval =
4512 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4513 params.dtim_period =
4514 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
4516 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
4517 params.beacon_interval);
4522 * In theory, some of these attributes should be required here
4523 * but since they were not used when the command was originally
4524 * added, keep them optional for old user space programs to let
4525 * them continue to work with drivers that do not need the
4526 * additional information -- drivers must check!
4528 if (info->attrs[NL80211_ATTR_SSID]) {
4529 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4531 nla_len(info->attrs[NL80211_ATTR_SSID]);
4532 if (params.ssid_len == 0 ||
4533 params.ssid_len > IEEE80211_MAX_SSID_LEN)
4537 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
4538 params.hidden_ssid = nla_get_u32(
4539 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
4541 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4543 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4544 params.auth_type = nla_get_u32(
4545 info->attrs[NL80211_ATTR_AUTH_TYPE]);
4546 if (!nl80211_valid_auth_type(rdev, params.auth_type,
4547 NL80211_CMD_START_AP))
4550 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4552 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
4553 NL80211_MAX_NR_CIPHER_SUITES);
4557 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
4558 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
4560 params.inactivity_timeout = nla_get_u16(
4561 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
4564 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4565 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4567 params.p2p_ctwindow =
4568 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4569 if (params.p2p_ctwindow != 0 &&
4570 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4574 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4577 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4579 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4580 params.p2p_opp_ps = tmp;
4581 if (params.p2p_opp_ps != 0 &&
4582 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4586 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
4587 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
4590 } else if (wdev->preset_chandef.chan) {
4591 params.chandef = wdev->preset_chandef;
4592 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
4595 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
4599 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4600 err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate);
4604 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4605 ¶ms.beacon_rate);
4610 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4612 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4613 switch (params.smps_mode) {
4614 case NL80211_SMPS_OFF:
4616 case NL80211_SMPS_STATIC:
4617 if (!(rdev->wiphy.features &
4618 NL80211_FEATURE_STATIC_SMPS))
4621 case NL80211_SMPS_DYNAMIC:
4622 if (!(rdev->wiphy.features &
4623 NL80211_FEATURE_DYNAMIC_SMPS))
4630 params.smps_mode = NL80211_SMPS_OFF;
4633 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4634 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4637 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4638 params.acl = parse_acl_data(&rdev->wiphy, info);
4639 if (IS_ERR(params.acl))
4640 return PTR_ERR(params.acl);
4643 params.twt_responder =
4644 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
4646 nl80211_calculate_ap_params(¶ms);
4648 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
4649 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
4652 err = rdev_start_ap(rdev, dev, ¶ms);
4654 wdev->preset_chandef = params.chandef;
4655 wdev->beacon_interval = params.beacon_interval;
4656 wdev->chandef = params.chandef;
4657 wdev->ssid_len = params.ssid_len;
4658 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
4660 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4661 wdev->conn_owner_nlportid = info->snd_portid;
4670 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
4672 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4673 struct net_device *dev = info->user_ptr[1];
4674 struct wireless_dev *wdev = dev->ieee80211_ptr;
4675 struct cfg80211_beacon_data params;
4678 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4679 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4682 if (!rdev->ops->change_beacon)
4685 if (!wdev->beacon_interval)
4688 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
4693 err = rdev_change_beacon(rdev, dev, ¶ms);
4699 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
4701 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4702 struct net_device *dev = info->user_ptr[1];
4704 return cfg80211_stop_ap(rdev, dev, false);
4707 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4708 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4709 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4710 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
4711 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
4712 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
4713 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
4716 static int parse_station_flags(struct genl_info *info,
4717 enum nl80211_iftype iftype,
4718 struct station_parameters *params)
4720 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
4725 * Try parsing the new attribute first so userspace
4726 * can specify both for older kernels.
4728 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4730 struct nl80211_sta_flag_update *sta_flags;
4732 sta_flags = nla_data(nla);
4733 params->sta_flags_mask = sta_flags->mask;
4734 params->sta_flags_set = sta_flags->set;
4735 params->sta_flags_set &= params->sta_flags_mask;
4736 if ((params->sta_flags_mask |
4737 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4742 /* if present, parse the old attribute */
4744 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
4748 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
4752 * Only allow certain flags for interface types so that
4753 * other attributes are silently ignored. Remember that
4754 * this is backward compatibility code with old userspace
4755 * and shouldn't be hit in other cases anyway.
4758 case NL80211_IFTYPE_AP:
4759 case NL80211_IFTYPE_AP_VLAN:
4760 case NL80211_IFTYPE_P2P_GO:
4761 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4762 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4763 BIT(NL80211_STA_FLAG_WME) |
4764 BIT(NL80211_STA_FLAG_MFP);
4766 case NL80211_IFTYPE_P2P_CLIENT:
4767 case NL80211_IFTYPE_STATION:
4768 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4769 BIT(NL80211_STA_FLAG_TDLS_PEER);
4771 case NL80211_IFTYPE_MESH_POINT:
4772 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4773 BIT(NL80211_STA_FLAG_MFP) |
4774 BIT(NL80211_STA_FLAG_AUTHORIZED);
4780 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4782 params->sta_flags_set |= (1<<flag);
4784 /* no longer support new API additions in old API */
4785 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4793 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
4795 struct nlattr *rate;
4798 enum nl80211_rate_info rate_flg;
4800 rate = nla_nest_start_noflag(msg, attr);
4804 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4805 bitrate = cfg80211_calculate_bitrate(info);
4806 /* report 16-bit bitrate only if we can */
4807 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
4809 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4811 if (bitrate_compat > 0 &&
4812 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4816 case RATE_INFO_BW_5:
4817 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4819 case RATE_INFO_BW_10:
4820 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4825 case RATE_INFO_BW_20:
4828 case RATE_INFO_BW_40:
4829 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4831 case RATE_INFO_BW_80:
4832 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
4834 case RATE_INFO_BW_160:
4835 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
4837 case RATE_INFO_BW_HE_RU:
4839 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
4842 if (rate_flg && nla_put_flag(msg, rate_flg))
4845 if (info->flags & RATE_INFO_FLAGS_MCS) {
4846 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
4848 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4849 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4851 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
4852 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
4854 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
4856 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4857 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4859 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
4860 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
4862 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
4864 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
4866 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
4868 if (info->bw == RATE_INFO_BW_HE_RU &&
4869 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
4874 nla_nest_end(msg, rate);
4878 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
4887 attr = nla_nest_start_noflag(msg, id);
4891 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
4892 if (!(mask & BIT(i)))
4895 if (nla_put_u8(msg, i, signal[i]))
4899 nla_nest_end(msg, attr);
4904 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
4906 struct cfg80211_registered_device *rdev,
4907 struct net_device *dev,
4908 const u8 *mac_addr, struct station_info *sinfo)
4911 struct nlattr *sinfoattr, *bss_param;
4913 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
4915 cfg80211_sinfo_release_content(sinfo);
4919 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4920 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
4921 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
4922 goto nla_put_failure;
4924 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
4926 goto nla_put_failure;
4928 #define PUT_SINFO(attr, memb, type) do { \
4929 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4930 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
4931 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4933 goto nla_put_failure; \
4935 #define PUT_SINFO_U64(attr, memb) do { \
4936 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
4937 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4938 sinfo->memb, NL80211_STA_INFO_PAD)) \
4939 goto nla_put_failure; \
4942 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
4943 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
4945 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
4946 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
4947 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
4948 (u32)sinfo->rx_bytes))
4949 goto nla_put_failure;
4951 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
4952 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
4953 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
4954 (u32)sinfo->tx_bytes))
4955 goto nla_put_failure;
4957 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
4958 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
4959 PUT_SINFO(LLID, llid, u16);
4960 PUT_SINFO(PLID, plid, u16);
4961 PUT_SINFO(PLINK_STATE, plink_state, u8);
4962 PUT_SINFO_U64(RX_DURATION, rx_duration);
4963 PUT_SINFO_U64(TX_DURATION, tx_duration);
4965 if (wiphy_ext_feature_isset(&rdev->wiphy,
4966 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
4967 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
4969 switch (rdev->wiphy.signal_type) {
4970 case CFG80211_SIGNAL_TYPE_MBM:
4971 PUT_SINFO(SIGNAL, signal, u8);
4972 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
4977 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
4978 if (!nl80211_put_signal(msg, sinfo->chains,
4979 sinfo->chain_signal,
4980 NL80211_STA_INFO_CHAIN_SIGNAL))
4981 goto nla_put_failure;
4983 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
4984 if (!nl80211_put_signal(msg, sinfo->chains,
4985 sinfo->chain_signal_avg,
4986 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
4987 goto nla_put_failure;
4989 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
4990 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
4991 NL80211_STA_INFO_TX_BITRATE))
4992 goto nla_put_failure;
4994 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
4995 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
4996 NL80211_STA_INFO_RX_BITRATE))
4997 goto nla_put_failure;
5000 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5001 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5002 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5003 PUT_SINFO(TX_FAILED, tx_failed, u32);
5004 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5005 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5006 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5007 PUT_SINFO(LOCAL_PM, local_pm, u32);
5008 PUT_SINFO(PEER_PM, peer_pm, u32);
5009 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5010 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5012 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5013 bss_param = nla_nest_start_noflag(msg,
5014 NL80211_STA_INFO_BSS_PARAM);
5016 goto nla_put_failure;
5018 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5019 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5020 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5021 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5022 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5023 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5024 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5025 sinfo->bss_param.dtim_period) ||
5026 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5027 sinfo->bss_param.beacon_interval))
5028 goto nla_put_failure;
5030 nla_nest_end(msg, bss_param);
5032 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5033 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5034 sizeof(struct nl80211_sta_flag_update),
5036 goto nla_put_failure;
5038 PUT_SINFO_U64(T_OFFSET, t_offset);
5039 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5040 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5041 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5042 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5043 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5044 if (wiphy_ext_feature_isset(&rdev->wiphy,
5045 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5046 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5047 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5051 #undef PUT_SINFO_U64
5053 if (sinfo->pertid) {
5054 struct nlattr *tidsattr;
5057 tidsattr = nla_nest_start_noflag(msg,
5058 NL80211_STA_INFO_TID_STATS);
5060 goto nla_put_failure;
5062 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5063 struct cfg80211_tid_stats *tidstats;
5064 struct nlattr *tidattr;
5066 tidstats = &sinfo->pertid[tid];
5068 if (!tidstats->filled)
5071 tidattr = nla_nest_start_noflag(msg, tid + 1);
5073 goto nla_put_failure;
5075 #define PUT_TIDVAL_U64(attr, memb) do { \
5076 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5077 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5078 tidstats->memb, NL80211_TID_STATS_PAD)) \
5079 goto nla_put_failure; \
5082 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5083 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5084 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5085 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5087 #undef PUT_TIDVAL_U64
5088 if ((tidstats->filled &
5089 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5090 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5091 NL80211_TID_STATS_TXQ_STATS))
5092 goto nla_put_failure;
5094 nla_nest_end(msg, tidattr);
5097 nla_nest_end(msg, tidsattr);
5100 nla_nest_end(msg, sinfoattr);
5102 if (sinfo->assoc_req_ies_len &&
5103 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5104 sinfo->assoc_req_ies))
5105 goto nla_put_failure;
5107 cfg80211_sinfo_release_content(sinfo);
5108 genlmsg_end(msg, hdr);
5112 cfg80211_sinfo_release_content(sinfo);
5113 genlmsg_cancel(msg, hdr);
5117 static int nl80211_dump_station(struct sk_buff *skb,
5118 struct netlink_callback *cb)
5120 struct station_info sinfo;
5121 struct cfg80211_registered_device *rdev;
5122 struct wireless_dev *wdev;
5123 u8 mac_addr[ETH_ALEN];
5124 int sta_idx = cb->args[2];
5128 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5132 if (!wdev->netdev) {
5137 if (!rdev->ops->dump_station) {
5143 memset(&sinfo, 0, sizeof(sinfo));
5144 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
5151 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
5152 NETLINK_CB(cb->skb).portid,
5153 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5154 rdev, wdev->netdev, mac_addr,
5162 cb->args[2] = sta_idx;
5170 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5172 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5173 struct net_device *dev = info->user_ptr[1];
5174 struct station_info sinfo;
5175 struct sk_buff *msg;
5176 u8 *mac_addr = NULL;
5179 memset(&sinfo, 0, sizeof(sinfo));
5181 if (!info->attrs[NL80211_ATTR_MAC])
5184 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5186 if (!rdev->ops->get_station)
5189 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
5193 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5195 cfg80211_sinfo_release_content(&sinfo);
5199 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5200 info->snd_portid, info->snd_seq, 0,
5201 rdev, dev, mac_addr, &sinfo) < 0) {
5206 return genlmsg_reply(msg, info);
5209 int cfg80211_check_station_change(struct wiphy *wiphy,
5210 struct station_parameters *params,
5211 enum cfg80211_station_type statype)
5213 if (params->listen_interval != -1 &&
5214 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5217 if (params->support_p2p_ps != -1 &&
5218 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5222 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5223 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5226 /* When you run into this, adjust the code below for the new flag */
5227 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5230 case CFG80211_STA_MESH_PEER_KERNEL:
5231 case CFG80211_STA_MESH_PEER_USER:
5233 * No ignoring the TDLS flag here -- the userspace mesh
5234 * code doesn't have the bug of including TDLS in the
5237 if (params->sta_flags_mask &
5238 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5239 BIT(NL80211_STA_FLAG_MFP) |
5240 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5243 case CFG80211_STA_TDLS_PEER_SETUP:
5244 case CFG80211_STA_TDLS_PEER_ACTIVE:
5245 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5247 /* ignore since it can't change */
5248 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5251 /* disallow mesh-specific things */
5252 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5254 if (params->local_pm)
5256 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5260 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5261 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5262 /* TDLS can't be set, ... */
5263 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5266 * ... but don't bother the driver with it. This works around
5267 * a hostapd/wpa_supplicant issue -- it always includes the
5268 * TLDS_PEER flag in the mask even for AP mode.
5270 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5273 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5274 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5275 /* reject other things that can't change */
5276 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5278 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5280 if (params->supported_rates)
5282 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5287 if (statype != CFG80211_STA_AP_CLIENT &&
5288 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5294 case CFG80211_STA_AP_MLME_CLIENT:
5295 /* Use this only for authorizing/unauthorizing a station */
5296 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5299 case CFG80211_STA_AP_CLIENT:
5300 case CFG80211_STA_AP_CLIENT_UNASSOC:
5301 /* accept only the listed bits */
5302 if (params->sta_flags_mask &
5303 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5304 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5305 BIT(NL80211_STA_FLAG_ASSOCIATED) |
5306 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5307 BIT(NL80211_STA_FLAG_WME) |
5308 BIT(NL80211_STA_FLAG_MFP)))
5311 /* but authenticated/associated only if driver handles it */
5312 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5313 params->sta_flags_mask &
5314 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5315 BIT(NL80211_STA_FLAG_ASSOCIATED)))
5318 case CFG80211_STA_IBSS:
5319 case CFG80211_STA_AP_STA:
5320 /* reject any changes other than AUTHORIZED */
5321 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
5324 case CFG80211_STA_TDLS_PEER_SETUP:
5325 /* reject any changes other than AUTHORIZED or WME */
5326 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5327 BIT(NL80211_STA_FLAG_WME)))
5329 /* force (at least) rates when authorizing */
5330 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
5331 !params->supported_rates)
5334 case CFG80211_STA_TDLS_PEER_ACTIVE:
5335 /* reject any changes */
5337 case CFG80211_STA_MESH_PEER_KERNEL:
5338 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5341 case CFG80211_STA_MESH_PEER_USER:
5342 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
5343 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
5349 * Older kernel versions ignored this attribute entirely, so don't
5350 * reject attempts to update it but mark it as unused instead so the
5351 * driver won't look at the data.
5353 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
5354 statype != CFG80211_STA_TDLS_PEER_SETUP)
5355 params->opmode_notif_used = false;
5359 EXPORT_SYMBOL(cfg80211_check_station_change);
5362 * Get vlan interface making sure it is running and on the right wiphy.
5364 static struct net_device *get_vlan(struct genl_info *info,
5365 struct cfg80211_registered_device *rdev)
5367 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
5368 struct net_device *v;
5374 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
5376 return ERR_PTR(-ENODEV);
5378 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
5383 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5384 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5385 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5390 if (!netif_running(v)) {
5398 return ERR_PTR(ret);
5401 static const struct nla_policy
5402 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
5403 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
5404 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
5407 static int nl80211_parse_sta_wme(struct genl_info *info,
5408 struct station_parameters *params)
5410 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
5414 /* parse WME attributes if present */
5415 if (!info->attrs[NL80211_ATTR_STA_WME])
5418 nla = info->attrs[NL80211_ATTR_STA_WME];
5419 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
5420 nl80211_sta_wme_policy,
5425 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
5426 params->uapsd_queues = nla_get_u8(
5427 tb[NL80211_STA_WME_UAPSD_QUEUES]);
5428 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
5431 if (tb[NL80211_STA_WME_MAX_SP])
5432 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
5434 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
5437 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
5442 static int nl80211_parse_sta_channel_info(struct genl_info *info,
5443 struct station_parameters *params)
5445 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
5446 params->supported_channels =
5447 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5448 params->supported_channels_len =
5449 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5451 * Need to include at least one (first channel, number of
5452 * channels) tuple for each subband, and must have proper
5453 * tuples for the rest of the data as well.
5455 if (params->supported_channels_len < 2)
5457 if (params->supported_channels_len % 2)
5461 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
5462 params->supported_oper_classes =
5463 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5464 params->supported_oper_classes_len =
5465 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5467 * The value of the Length field of the Supported Operating
5468 * Classes element is between 2 and 253.
5470 if (params->supported_oper_classes_len < 2 ||
5471 params->supported_oper_classes_len > 253)
5477 static int nl80211_set_station_tdls(struct genl_info *info,
5478 struct station_parameters *params)
5481 /* Dummy STA entry gets updated once the peer capabilities are known */
5482 if (info->attrs[NL80211_ATTR_PEER_AID])
5483 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5484 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5486 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5487 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5489 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5490 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5492 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5493 params->he_capa_len =
5494 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5496 if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5500 err = nl80211_parse_sta_channel_info(info, params);
5504 return nl80211_parse_sta_wme(info, params);
5507 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
5508 struct station_parameters *params)
5510 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5513 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
5514 if (!rdev->ops->set_tx_power ||
5515 !wiphy_ext_feature_isset(&rdev->wiphy,
5516 NL80211_EXT_FEATURE_STA_TX_PWR))
5519 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
5520 params->txpwr.type = nla_get_u8(info->attrs[idx]);
5522 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
5523 idx = NL80211_ATTR_STA_TX_POWER;
5525 if (info->attrs[idx])
5526 params->txpwr.power =
5527 nla_get_s16(info->attrs[idx]);
5531 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
5537 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
5539 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5540 struct net_device *dev = info->user_ptr[1];
5541 struct station_parameters params;
5545 memset(¶ms, 0, sizeof(params));
5547 if (!rdev->ops->change_station)
5551 * AID and listen_interval properties can be set only for unassociated
5552 * station. Include these parameters here and will check them in
5553 * cfg80211_check_station_change().
5555 if (info->attrs[NL80211_ATTR_STA_AID])
5556 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5558 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5559 params.listen_interval =
5560 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5562 params.listen_interval = -1;
5564 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
5565 params.support_p2p_ps =
5566 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5568 params.support_p2p_ps = -1;
5570 if (!info->attrs[NL80211_ATTR_MAC])
5573 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5575 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
5576 params.supported_rates =
5577 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5578 params.supported_rates_len =
5579 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5582 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5584 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5585 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5588 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5590 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5591 params.ext_capab_len =
5592 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5595 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5598 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5599 params.plink_action =
5600 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5602 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
5603 params.plink_state =
5604 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
5605 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
5606 params.peer_aid = nla_get_u16(
5607 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
5608 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
5611 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
5612 params.local_pm = nla_get_u32(
5613 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
5615 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5616 params.opmode_notif_used = true;
5617 params.opmode_notif =
5618 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5621 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5622 params.airtime_weight =
5623 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5625 if (params.airtime_weight &&
5626 !wiphy_ext_feature_isset(&rdev->wiphy,
5627 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5630 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5634 /* Include parameters for TDLS peer (will check later) */
5635 err = nl80211_set_station_tdls(info, ¶ms);
5639 params.vlan = get_vlan(info, rdev);
5640 if (IS_ERR(params.vlan))
5641 return PTR_ERR(params.vlan);
5643 switch (dev->ieee80211_ptr->iftype) {
5644 case NL80211_IFTYPE_AP:
5645 case NL80211_IFTYPE_AP_VLAN:
5646 case NL80211_IFTYPE_P2P_GO:
5647 case NL80211_IFTYPE_P2P_CLIENT:
5648 case NL80211_IFTYPE_STATION:
5649 case NL80211_IFTYPE_ADHOC:
5650 case NL80211_IFTYPE_MESH_POINT:
5657 /* driver will call cfg80211_check_station_change() */
5658 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
5662 dev_put(params.vlan);
5667 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
5669 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5671 struct net_device *dev = info->user_ptr[1];
5672 struct station_parameters params;
5673 u8 *mac_addr = NULL;
5674 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5675 BIT(NL80211_STA_FLAG_ASSOCIATED);
5677 memset(¶ms, 0, sizeof(params));
5679 if (!rdev->ops->add_station)
5682 if (!info->attrs[NL80211_ATTR_MAC])
5685 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5688 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
5691 if (!info->attrs[NL80211_ATTR_STA_AID] &&
5692 !info->attrs[NL80211_ATTR_PEER_AID])
5695 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5696 params.supported_rates =
5697 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5698 params.supported_rates_len =
5699 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5700 params.listen_interval =
5701 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5703 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
5704 params.support_p2p_ps =
5705 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5708 * if not specified, assume it's supported for P2P GO interface,
5709 * and is NOT supported for AP interface
5711 params.support_p2p_ps =
5712 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
5715 if (info->attrs[NL80211_ATTR_PEER_AID])
5716 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5718 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5720 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5722 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5723 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5726 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5728 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5729 params.ext_capab_len =
5730 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5733 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5735 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5737 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5739 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5741 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5743 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5744 params.he_capa_len =
5745 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5747 /* max len is validated in nla policy */
5748 if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5752 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5753 params.opmode_notif_used = true;
5754 params.opmode_notif =
5755 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5758 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5759 params.plink_action =
5760 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5762 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5763 params.airtime_weight =
5764 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5766 if (params.airtime_weight &&
5767 !wiphy_ext_feature_isset(&rdev->wiphy,
5768 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5771 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5775 err = nl80211_parse_sta_channel_info(info, ¶ms);
5779 err = nl80211_parse_sta_wme(info, ¶ms);
5783 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5786 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5787 * as userspace might just pass through the capabilities from the IEs
5788 * directly, rather than enforcing this restriction and returning an
5789 * error in this case.
5791 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5792 params.ht_capa = NULL;
5793 params.vht_capa = NULL;
5795 /* HE requires WME */
5796 if (params.he_capa_len)
5800 /* When you run into this, adjust the code below for the new flag */
5801 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5803 switch (dev->ieee80211_ptr->iftype) {
5804 case NL80211_IFTYPE_AP:
5805 case NL80211_IFTYPE_AP_VLAN:
5806 case NL80211_IFTYPE_P2P_GO:
5807 /* ignore WME attributes if iface/sta is not capable */
5808 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5809 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5810 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5812 /* TDLS peers cannot be added */
5813 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5814 info->attrs[NL80211_ATTR_PEER_AID])
5816 /* but don't bother the driver with it */
5817 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5819 /* allow authenticated/associated only if driver handles it */
5820 if (!(rdev->wiphy.features &
5821 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5822 params.sta_flags_mask & auth_assoc)
5825 /* Older userspace, or userspace wanting to be compatible with
5826 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5827 * and assoc flags in the mask, but assumes the station will be
5828 * added as associated anyway since this was the required driver
5829 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5831 * In order to not bother drivers with this quirk in the API
5832 * set the flags in both the mask and set for new stations in
5835 if (!(params.sta_flags_mask & auth_assoc)) {
5836 params.sta_flags_mask |= auth_assoc;
5837 params.sta_flags_set |= auth_assoc;
5840 /* must be last in here for error handling */
5841 params.vlan = get_vlan(info, rdev);
5842 if (IS_ERR(params.vlan))
5843 return PTR_ERR(params.vlan);
5845 case NL80211_IFTYPE_MESH_POINT:
5846 /* ignore uAPSD data */
5847 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5849 /* associated is disallowed */
5850 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
5852 /* TDLS peers cannot be added */
5853 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5854 info->attrs[NL80211_ATTR_PEER_AID])
5857 case NL80211_IFTYPE_STATION:
5858 case NL80211_IFTYPE_P2P_CLIENT:
5859 /* ignore uAPSD data */
5860 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5862 /* these are disallowed */
5863 if (params.sta_flags_mask &
5864 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
5865 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
5867 /* Only TDLS peers can be added */
5868 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5870 /* Can only add if TDLS ... */
5871 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
5873 /* ... with external setup is supported */
5874 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
5877 * Older wpa_supplicant versions always mark the TDLS peer
5878 * as authorized, but it shouldn't yet be.
5880 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
5886 /* be aware of params.vlan when changing code here */
5888 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
5891 dev_put(params.vlan);
5895 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
5897 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5898 struct net_device *dev = info->user_ptr[1];
5899 struct station_del_parameters params;
5901 memset(¶ms, 0, sizeof(params));
5903 if (info->attrs[NL80211_ATTR_MAC])
5904 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5906 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5907 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5908 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
5909 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5912 if (!rdev->ops->del_station)
5915 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
5917 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
5918 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
5919 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
5922 /* Default to Deauthentication frame */
5923 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
5926 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
5927 params.reason_code =
5928 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5929 if (params.reason_code == 0)
5930 return -EINVAL; /* 0 is reserved */
5932 /* Default to reason code 2 */
5933 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
5936 return rdev_del_station(rdev, dev, ¶ms);
5939 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
5940 int flags, struct net_device *dev,
5941 u8 *dst, u8 *next_hop,
5942 struct mpath_info *pinfo)
5945 struct nlattr *pinfoattr;
5947 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
5951 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5952 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
5953 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
5954 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
5955 goto nla_put_failure;
5957 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
5959 goto nla_put_failure;
5960 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
5961 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
5963 goto nla_put_failure;
5964 if (((pinfo->filled & MPATH_INFO_SN) &&
5965 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
5966 ((pinfo->filled & MPATH_INFO_METRIC) &&
5967 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
5969 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
5970 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
5972 ((pinfo->filled & MPATH_INFO_FLAGS) &&
5973 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
5975 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
5976 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
5977 pinfo->discovery_timeout)) ||
5978 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
5979 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
5980 pinfo->discovery_retries)) ||
5981 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
5982 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
5983 pinfo->hop_count)) ||
5984 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
5985 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
5986 pinfo->path_change_count)))
5987 goto nla_put_failure;
5989 nla_nest_end(msg, pinfoattr);
5991 genlmsg_end(msg, hdr);
5995 genlmsg_cancel(msg, hdr);
5999 static int nl80211_dump_mpath(struct sk_buff *skb,
6000 struct netlink_callback *cb)
6002 struct mpath_info pinfo;
6003 struct cfg80211_registered_device *rdev;
6004 struct wireless_dev *wdev;
6006 u8 next_hop[ETH_ALEN];
6007 int path_idx = cb->args[2];
6011 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6015 if (!rdev->ops->dump_mpath) {
6020 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6026 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6033 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6034 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6035 wdev->netdev, dst, next_hop,
6043 cb->args[2] = path_idx;
6050 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6052 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6054 struct net_device *dev = info->user_ptr[1];
6055 struct mpath_info pinfo;
6056 struct sk_buff *msg;
6058 u8 next_hop[ETH_ALEN];
6060 memset(&pinfo, 0, sizeof(pinfo));
6062 if (!info->attrs[NL80211_ATTR_MAC])
6065 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6067 if (!rdev->ops->get_mpath)
6070 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6073 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6077 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6081 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6082 dev, dst, next_hop, &pinfo) < 0) {
6087 return genlmsg_reply(msg, info);
6090 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6092 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6093 struct net_device *dev = info->user_ptr[1];
6095 u8 *next_hop = NULL;
6097 if (!info->attrs[NL80211_ATTR_MAC])
6100 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6103 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6104 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6106 if (!rdev->ops->change_mpath)
6109 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6112 return rdev_change_mpath(rdev, dev, dst, next_hop);
6115 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6117 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6118 struct net_device *dev = info->user_ptr[1];
6120 u8 *next_hop = NULL;
6122 if (!info->attrs[NL80211_ATTR_MAC])
6125 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6128 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6129 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6131 if (!rdev->ops->add_mpath)
6134 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6137 return rdev_add_mpath(rdev, dev, dst, next_hop);
6140 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6142 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6143 struct net_device *dev = info->user_ptr[1];
6146 if (info->attrs[NL80211_ATTR_MAC])
6147 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6149 if (!rdev->ops->del_mpath)
6152 return rdev_del_mpath(rdev, dev, dst);
6155 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6157 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6159 struct net_device *dev = info->user_ptr[1];
6160 struct mpath_info pinfo;
6161 struct sk_buff *msg;
6165 memset(&pinfo, 0, sizeof(pinfo));
6167 if (!info->attrs[NL80211_ATTR_MAC])
6170 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6172 if (!rdev->ops->get_mpp)
6175 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6178 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6182 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6186 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6187 dev, dst, mpp, &pinfo) < 0) {
6192 return genlmsg_reply(msg, info);
6195 static int nl80211_dump_mpp(struct sk_buff *skb,
6196 struct netlink_callback *cb)
6198 struct mpath_info pinfo;
6199 struct cfg80211_registered_device *rdev;
6200 struct wireless_dev *wdev;
6203 int path_idx = cb->args[2];
6207 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6211 if (!rdev->ops->dump_mpp) {
6216 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6222 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6229 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6230 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6231 wdev->netdev, dst, mpp,
6239 cb->args[2] = path_idx;
6246 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6248 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6249 struct net_device *dev = info->user_ptr[1];
6250 struct wireless_dev *wdev = dev->ieee80211_ptr;
6251 struct bss_parameters params;
6254 memset(¶ms, 0, sizeof(params));
6255 /* default to not changing parameters */
6256 params.use_cts_prot = -1;
6257 params.use_short_preamble = -1;
6258 params.use_short_slot_time = -1;
6259 params.ap_isolate = -1;
6260 params.ht_opmode = -1;
6261 params.p2p_ctwindow = -1;
6262 params.p2p_opp_ps = -1;
6264 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6265 params.use_cts_prot =
6266 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6267 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6268 params.use_short_preamble =
6269 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6270 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6271 params.use_short_slot_time =
6272 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
6273 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6274 params.basic_rates =
6275 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6276 params.basic_rates_len =
6277 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6279 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6280 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
6281 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6283 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
6285 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6286 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6288 params.p2p_ctwindow =
6289 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
6290 if (params.p2p_ctwindow != 0 &&
6291 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
6295 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6298 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6300 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
6301 params.p2p_opp_ps = tmp;
6302 if (params.p2p_opp_ps &&
6303 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
6307 if (!rdev->ops->change_bss)
6310 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6311 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6315 err = rdev_change_bss(rdev, dev, ¶ms);
6321 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
6325 enum nl80211_user_reg_hint_type user_reg_hint_type;
6329 * You should only get this when cfg80211 hasn't yet initialized
6330 * completely when built-in to the kernel right between the time
6331 * window between nl80211_init() and regulatory_init(), if that is
6334 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
6335 return -EINPROGRESS;
6337 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
6338 user_reg_hint_type =
6339 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
6341 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
6343 switch (user_reg_hint_type) {
6344 case NL80211_USER_REG_HINT_USER:
6345 case NL80211_USER_REG_HINT_CELL_BASE:
6346 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6349 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6350 return regulatory_hint_user(data, user_reg_hint_type);
6351 case NL80211_USER_REG_HINT_INDOOR:
6352 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
6353 owner_nlportid = info->snd_portid;
6354 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
6360 return regulatory_hint_indoor(is_indoor, owner_nlportid);
6366 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
6368 return reg_reload_regdb();
6371 static int nl80211_get_mesh_config(struct sk_buff *skb,
6372 struct genl_info *info)
6374 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6375 struct net_device *dev = info->user_ptr[1];
6376 struct wireless_dev *wdev = dev->ieee80211_ptr;
6377 struct mesh_config cur_params;
6380 struct nlattr *pinfoattr;
6381 struct sk_buff *msg;
6383 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6386 if (!rdev->ops->get_mesh_config)
6390 /* If not connected, get default parameters */
6391 if (!wdev->mesh_id_len)
6392 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
6394 err = rdev_get_mesh_config(rdev, dev, &cur_params);
6400 /* Draw up a netlink message to send back */
6401 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6404 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6405 NL80211_CMD_GET_MESH_CONFIG);
6408 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
6410 goto nla_put_failure;
6411 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6412 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
6413 cur_params.dot11MeshRetryTimeout) ||
6414 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
6415 cur_params.dot11MeshConfirmTimeout) ||
6416 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
6417 cur_params.dot11MeshHoldingTimeout) ||
6418 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
6419 cur_params.dot11MeshMaxPeerLinks) ||
6420 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
6421 cur_params.dot11MeshMaxRetries) ||
6422 nla_put_u8(msg, NL80211_MESHCONF_TTL,
6423 cur_params.dot11MeshTTL) ||
6424 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
6425 cur_params.element_ttl) ||
6426 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6427 cur_params.auto_open_plinks) ||
6428 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6429 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
6430 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6431 cur_params.dot11MeshHWMPmaxPREQretries) ||
6432 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
6433 cur_params.path_refresh_time) ||
6434 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6435 cur_params.min_discovery_timeout) ||
6436 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6437 cur_params.dot11MeshHWMPactivePathTimeout) ||
6438 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6439 cur_params.dot11MeshHWMPpreqMinInterval) ||
6440 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6441 cur_params.dot11MeshHWMPperrMinInterval) ||
6442 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6443 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
6444 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
6445 cur_params.dot11MeshHWMPRootMode) ||
6446 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6447 cur_params.dot11MeshHWMPRannInterval) ||
6448 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6449 cur_params.dot11MeshGateAnnouncementProtocol) ||
6450 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
6451 cur_params.dot11MeshForwarding) ||
6452 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
6453 cur_params.rssi_threshold) ||
6454 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
6455 cur_params.ht_opmode) ||
6456 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6457 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
6458 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6459 cur_params.dot11MeshHWMProotInterval) ||
6460 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6461 cur_params.dot11MeshHWMPconfirmationInterval) ||
6462 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
6463 cur_params.power_mode) ||
6464 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
6465 cur_params.dot11MeshAwakeWindowDuration) ||
6466 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
6467 cur_params.plink_timeout) ||
6468 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
6469 cur_params.dot11MeshConnectedToMeshGate))
6470 goto nla_put_failure;
6471 nla_nest_end(msg, pinfoattr);
6472 genlmsg_end(msg, hdr);
6473 return genlmsg_reply(msg, info);
6481 static const struct nla_policy
6482 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
6483 [NL80211_MESHCONF_RETRY_TIMEOUT] =
6484 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6485 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
6486 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6487 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
6488 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6489 [NL80211_MESHCONF_MAX_PEER_LINKS] =
6490 NLA_POLICY_RANGE(NLA_U16, 0, 255),
6491 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
6492 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6493 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6494 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
6495 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
6496 NLA_POLICY_RANGE(NLA_U32, 1, 255),
6497 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
6498 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
6499 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
6500 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
6501 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
6502 NLA_POLICY_MIN(NLA_U16, 1),
6503 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
6504 NLA_POLICY_MIN(NLA_U16, 1),
6505 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
6506 NLA_POLICY_MIN(NLA_U16, 1),
6507 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
6508 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
6509 NLA_POLICY_MIN(NLA_U16, 1),
6510 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
6511 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
6512 [NL80211_MESHCONF_RSSI_THRESHOLD] =
6513 NLA_POLICY_RANGE(NLA_S32, -255, 0),
6514 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
6515 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
6516 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
6517 NLA_POLICY_MIN(NLA_U16, 1),
6518 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
6519 NLA_POLICY_MIN(NLA_U16, 1),
6520 [NL80211_MESHCONF_POWER_MODE] =
6521 NLA_POLICY_RANGE(NLA_U32,
6522 NL80211_MESH_POWER_ACTIVE,
6523 NL80211_MESH_POWER_MAX),
6524 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
6525 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
6526 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
6529 static const struct nla_policy
6530 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
6531 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
6532 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
6533 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
6534 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6535 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
6536 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
6537 [NL80211_MESH_SETUP_IE] =
6538 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
6539 IEEE80211_MAX_DATA_LEN),
6540 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
6543 static int nl80211_parse_mesh_config(struct genl_info *info,
6544 struct mesh_config *cfg,
6547 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
6551 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6554 cfg->param = fn(tb[attr]); \
6555 mask |= BIT((attr) - 1); \
6559 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
6561 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
6564 /* This makes sure that there aren't more than 32 mesh config
6565 * parameters (otherwise our bitfield scheme would not work.) */
6566 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
6568 /* Fill in the params struct */
6569 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
6570 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
6571 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
6572 NL80211_MESHCONF_CONFIRM_TIMEOUT,
6574 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
6575 NL80211_MESHCONF_HOLDING_TIMEOUT,
6577 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
6578 NL80211_MESHCONF_MAX_PEER_LINKS,
6580 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
6581 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
6582 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
6583 NL80211_MESHCONF_TTL, nla_get_u8);
6584 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
6585 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
6586 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
6587 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6589 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
6591 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6593 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
6594 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6596 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
6597 NL80211_MESHCONF_PATH_REFRESH_TIME,
6599 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
6600 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
6602 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
6603 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6605 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
6607 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6609 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
6610 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
6611 cfg->dot11MeshHWMPactivePathTimeout > 65535))
6613 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
6614 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6616 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
6617 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6619 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6620 dot11MeshHWMPnetDiameterTraversalTime, mask,
6621 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6623 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
6624 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
6625 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
6626 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6628 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
6629 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6631 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
6632 NL80211_MESHCONF_FORWARDING, nla_get_u8);
6633 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
6634 NL80211_MESHCONF_RSSI_THRESHOLD,
6636 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
6637 NL80211_MESHCONF_CONNECTED_TO_GATE,
6640 * Check HT operation mode based on
6641 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
6643 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
6644 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
6646 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
6647 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
6648 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
6651 /* NON_HT_STA bit is reserved, but some programs set it */
6652 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
6654 cfg->ht_opmode = ht_opmode;
6655 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
6657 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6658 dot11MeshHWMPactivePathToRootTimeout, mask,
6659 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6661 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
6662 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
6663 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
6665 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
6666 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6668 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
6670 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6672 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
6673 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
6674 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
6675 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
6676 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
6677 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
6683 #undef FILL_IN_MESH_PARAM_IF_SET
6686 static int nl80211_parse_mesh_setup(struct genl_info *info,
6687 struct mesh_setup *setup)
6689 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6690 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
6692 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
6694 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
6697 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
6698 setup->sync_method =
6699 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
6700 IEEE80211_SYNC_METHOD_VENDOR :
6701 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
6703 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
6704 setup->path_sel_proto =
6705 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
6706 IEEE80211_PATH_PROTOCOL_VENDOR :
6707 IEEE80211_PATH_PROTOCOL_HWMP;
6709 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
6710 setup->path_metric =
6711 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
6712 IEEE80211_PATH_METRIC_VENDOR :
6713 IEEE80211_PATH_METRIC_AIRTIME;
6715 if (tb[NL80211_MESH_SETUP_IE]) {
6716 struct nlattr *ieattr =
6717 tb[NL80211_MESH_SETUP_IE];
6718 setup->ie = nla_data(ieattr);
6719 setup->ie_len = nla_len(ieattr);
6721 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
6722 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
6724 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
6725 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
6726 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
6727 if (setup->is_secure)
6728 setup->user_mpm = true;
6730 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6731 if (!setup->user_mpm)
6734 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6740 static int nl80211_update_mesh_config(struct sk_buff *skb,
6741 struct genl_info *info)
6743 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6744 struct net_device *dev = info->user_ptr[1];
6745 struct wireless_dev *wdev = dev->ieee80211_ptr;
6746 struct mesh_config cfg;
6750 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6753 if (!rdev->ops->update_mesh_config)
6756 err = nl80211_parse_mesh_config(info, &cfg, &mask);
6761 if (!wdev->mesh_id_len)
6765 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
6772 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6773 struct sk_buff *msg)
6775 struct nlattr *nl_reg_rules;
6778 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6779 (regdom->dfs_region &&
6780 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
6781 goto nla_put_failure;
6783 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
6785 goto nla_put_failure;
6787 for (i = 0; i < regdom->n_reg_rules; i++) {
6788 struct nlattr *nl_reg_rule;
6789 const struct ieee80211_reg_rule *reg_rule;
6790 const struct ieee80211_freq_range *freq_range;
6791 const struct ieee80211_power_rule *power_rule;
6792 unsigned int max_bandwidth_khz;
6794 reg_rule = ®dom->reg_rules[i];
6795 freq_range = ®_rule->freq_range;
6796 power_rule = ®_rule->power_rule;
6798 nl_reg_rule = nla_nest_start_noflag(msg, i);
6800 goto nla_put_failure;
6802 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6803 if (!max_bandwidth_khz)
6804 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6807 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6809 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6810 freq_range->start_freq_khz) ||
6811 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6812 freq_range->end_freq_khz) ||
6813 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
6814 max_bandwidth_khz) ||
6815 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6816 power_rule->max_antenna_gain) ||
6817 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
6818 power_rule->max_eirp) ||
6819 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6820 reg_rule->dfs_cac_ms))
6821 goto nla_put_failure;
6823 nla_nest_end(msg, nl_reg_rule);
6826 nla_nest_end(msg, nl_reg_rules);
6833 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
6835 const struct ieee80211_regdomain *regdom = NULL;
6836 struct cfg80211_registered_device *rdev;
6837 struct wiphy *wiphy = NULL;
6838 struct sk_buff *msg;
6841 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6845 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6846 NL80211_CMD_GET_REG);
6850 if (info->attrs[NL80211_ATTR_WIPHY]) {
6853 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
6856 return PTR_ERR(rdev);
6859 wiphy = &rdev->wiphy;
6860 self_managed = wiphy->regulatory_flags &
6861 REGULATORY_WIPHY_SELF_MANAGED;
6862 regdom = get_wiphy_regdom(wiphy);
6864 /* a self-managed-reg device must have a private regdom */
6865 if (WARN_ON(!regdom && self_managed)) {
6871 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6872 goto nla_put_failure;
6875 if (!wiphy && reg_last_request_cell_base() &&
6876 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6877 NL80211_USER_REG_HINT_CELL_BASE))
6878 goto nla_put_failure;
6883 regdom = rcu_dereference(cfg80211_regdomain);
6885 if (nl80211_put_regdom(regdom, msg))
6886 goto nla_put_failure_rcu;
6890 genlmsg_end(msg, hdr);
6891 return genlmsg_reply(msg, info);
6893 nla_put_failure_rcu:
6901 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
6902 u32 seq, int flags, struct wiphy *wiphy,
6903 const struct ieee80211_regdomain *regdom)
6905 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
6906 NL80211_CMD_GET_REG);
6911 genl_dump_check_consistent(cb, hdr);
6913 if (nl80211_put_regdom(regdom, msg))
6914 goto nla_put_failure;
6916 if (!wiphy && reg_last_request_cell_base() &&
6917 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6918 NL80211_USER_REG_HINT_CELL_BASE))
6919 goto nla_put_failure;
6922 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6923 goto nla_put_failure;
6925 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
6926 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
6927 goto nla_put_failure;
6929 genlmsg_end(msg, hdr);
6933 genlmsg_cancel(msg, hdr);
6937 static int nl80211_get_reg_dump(struct sk_buff *skb,
6938 struct netlink_callback *cb)
6940 const struct ieee80211_regdomain *regdom = NULL;
6941 struct cfg80211_registered_device *rdev;
6942 int err, reg_idx, start = cb->args[2];
6946 if (cfg80211_regdomain && start == 0) {
6947 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6949 rtnl_dereference(cfg80211_regdomain));
6954 /* the global regdom is idx 0 */
6956 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
6957 regdom = get_wiphy_regdom(&rdev->wiphy);
6961 if (++reg_idx <= start)
6964 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6965 NLM_F_MULTI, &rdev->wiphy, regdom);
6972 cb->args[2] = reg_idx;
6979 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6980 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
6981 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6982 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6983 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6984 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6985 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6986 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6987 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
6990 static int parse_reg_rule(struct nlattr *tb[],
6991 struct ieee80211_reg_rule *reg_rule)
6993 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
6994 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
6996 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
6998 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7000 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7002 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7004 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7007 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7009 freq_range->start_freq_khz =
7010 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7011 freq_range->end_freq_khz =
7012 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7013 freq_range->max_bandwidth_khz =
7014 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7016 power_rule->max_eirp =
7017 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7019 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7020 power_rule->max_antenna_gain =
7021 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7023 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7024 reg_rule->dfs_cac_ms =
7025 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7030 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7032 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7033 struct nlattr *nl_reg_rule;
7035 int rem_reg_rules, r;
7036 u32 num_rules = 0, rule_idx = 0;
7037 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7038 struct ieee80211_regdomain *rd;
7040 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7043 if (!info->attrs[NL80211_ATTR_REG_RULES])
7046 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7048 if (info->attrs[NL80211_ATTR_DFS_REGION])
7049 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7051 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7054 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7058 if (!reg_is_valid_request(alpha2))
7061 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7065 rd->n_reg_rules = num_rules;
7066 rd->alpha2[0] = alpha2[0];
7067 rd->alpha2[1] = alpha2[1];
7070 * Disable DFS master mode if the DFS region was
7071 * not supported or known on this kernel.
7073 if (reg_supported_dfs_region(dfs_region))
7074 rd->dfs_region = dfs_region;
7076 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7078 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7079 nl_reg_rule, reg_rule_policy,
7083 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7089 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7095 /* set_regdom takes ownership of rd */
7096 return set_regdom(rd, REGD_SOURCE_CRDA);
7101 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7103 static int validate_scan_freqs(struct nlattr *freqs)
7105 struct nlattr *attr1, *attr2;
7106 int n_channels = 0, tmp1, tmp2;
7108 nla_for_each_nested(attr1, freqs, tmp1)
7109 if (nla_len(attr1) != sizeof(u32))
7112 nla_for_each_nested(attr1, freqs, tmp1) {
7115 * Some hardware has a limited channel list for
7116 * scanning, and it is pretty much nonsensical
7117 * to scan for a channel twice, so disallow that
7118 * and don't require drivers to check that the
7119 * channel list they get isn't longer than what
7120 * they can scan, as long as they can scan all
7121 * the channels they registered at once.
7123 nla_for_each_nested(attr2, freqs, tmp2)
7124 if (attr1 != attr2 &&
7125 nla_get_u32(attr1) == nla_get_u32(attr2))
7132 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
7134 return b < NUM_NL80211_BANDS && wiphy->bands[b];
7137 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7138 struct cfg80211_bss_selection *bss_select)
7140 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7141 struct nlattr *nest;
7146 /* only process one nested attribute */
7147 nest = nla_data(nla);
7148 if (!nla_ok(nest, nla_len(nest)))
7151 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7152 nest, nl80211_bss_select_policy,
7157 /* only one attribute may be given */
7158 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7166 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7168 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7169 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7171 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7172 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7173 bss_select->param.band_pref =
7174 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7175 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7179 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7180 struct nl80211_bss_select_rssi_adjust *adj_param;
7182 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7183 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7184 bss_select->param.adjust.band = adj_param->band;
7185 bss_select->param.adjust.delta = adj_param->delta;
7186 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7190 /* user-space did not provide behaviour attribute */
7191 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7194 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7200 int nl80211_parse_random_mac(struct nlattr **attrs,
7201 u8 *mac_addr, u8 *mac_addr_mask)
7205 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
7206 eth_zero_addr(mac_addr);
7207 eth_zero_addr(mac_addr_mask);
7209 mac_addr_mask[0] = 0x3;
7214 /* need both or none */
7215 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7218 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7219 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7221 /* don't allow or configure an mcast address */
7222 if (!is_multicast_ether_addr(mac_addr_mask) ||
7223 is_multicast_ether_addr(mac_addr))
7227 * allow users to pass a MAC address that has bits set outside
7228 * of the mask, but don't bother drivers with having to deal
7231 for (i = 0; i < ETH_ALEN; i++)
7232 mac_addr[i] &= mac_addr_mask[i];
7237 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7239 ASSERT_WDEV_LOCK(wdev);
7241 if (!cfg80211_beaconing_iface_active(wdev))
7244 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7247 return regulatory_pre_cac_allowed(wdev->wiphy);
7250 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7251 enum nl80211_ext_feature_index feat)
7253 if (!(flags & flag))
7255 if (wiphy_ext_feature_isset(wiphy, feat))
7261 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7262 void *request, struct nlattr **attrs,
7265 u8 *mac_addr, *mac_addr_mask;
7267 enum nl80211_feature_flags randomness_flag;
7269 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7272 if (is_sched_scan) {
7273 struct cfg80211_sched_scan_request *req = request;
7275 randomness_flag = wdev ?
7276 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
7277 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7278 flags = &req->flags;
7279 mac_addr = req->mac_addr;
7280 mac_addr_mask = req->mac_addr_mask;
7282 struct cfg80211_scan_request *req = request;
7284 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
7285 flags = &req->flags;
7286 mac_addr = req->mac_addr;
7287 mac_addr_mask = req->mac_addr_mask;
7290 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
7292 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7293 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
7294 !nl80211_check_scan_feat(wiphy, *flags,
7295 NL80211_SCAN_FLAG_LOW_SPAN,
7296 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
7297 !nl80211_check_scan_feat(wiphy, *flags,
7298 NL80211_SCAN_FLAG_LOW_POWER,
7299 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
7300 !nl80211_check_scan_feat(wiphy, *flags,
7301 NL80211_SCAN_FLAG_HIGH_ACCURACY,
7302 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
7303 !nl80211_check_scan_feat(wiphy, *flags,
7304 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
7305 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
7306 !nl80211_check_scan_feat(wiphy, *flags,
7307 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
7308 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
7309 !nl80211_check_scan_feat(wiphy, *flags,
7310 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
7311 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
7312 !nl80211_check_scan_feat(wiphy, *flags,
7313 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
7314 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
7315 !nl80211_check_scan_feat(wiphy, *flags,
7316 NL80211_SCAN_FLAG_RANDOM_SN,
7317 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
7318 !nl80211_check_scan_feat(wiphy, *flags,
7319 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
7320 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
7323 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7326 if (!(wiphy->features & randomness_flag) ||
7327 (wdev && wdev->current_bss))
7330 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
7338 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
7340 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7341 struct wireless_dev *wdev = info->user_ptr[1];
7342 struct cfg80211_scan_request *request;
7343 struct nlattr *attr;
7344 struct wiphy *wiphy;
7345 int err, tmp, n_ssids = 0, n_channels, i;
7348 wiphy = &rdev->wiphy;
7350 if (wdev->iftype == NL80211_IFTYPE_NAN)
7353 if (!rdev->ops->scan)
7356 if (rdev->scan_req || rdev->scan_msg) {
7361 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7362 n_channels = validate_scan_freqs(
7363 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7369 n_channels = ieee80211_get_num_supported_channels(wiphy);
7372 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
7373 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
7376 if (n_ssids > wiphy->max_scan_ssids) {
7381 if (info->attrs[NL80211_ATTR_IE])
7382 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7386 if (ie_len > wiphy->max_scan_ie_len) {
7391 request = kzalloc(sizeof(*request)
7392 + sizeof(*request->ssids) * n_ssids
7393 + sizeof(*request->channels) * n_channels
7394 + ie_len, GFP_KERNEL);
7401 request->ssids = (void *)&request->channels[n_channels];
7402 request->n_ssids = n_ssids;
7405 request->ie = (void *)(request->ssids + n_ssids);
7407 request->ie = (void *)(request->channels + n_channels);
7411 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7412 /* user specified, bail out if channel not found */
7413 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
7414 struct ieee80211_channel *chan;
7416 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7423 /* ignore disabled channels */
7424 if (chan->flags & IEEE80211_CHAN_DISABLED)
7427 request->channels[i] = chan;
7431 enum nl80211_band band;
7434 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7437 if (!wiphy->bands[band])
7439 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7440 struct ieee80211_channel *chan;
7442 chan = &wiphy->bands[band]->channels[j];
7444 if (chan->flags & IEEE80211_CHAN_DISABLED)
7447 request->channels[i] = chan;
7458 request->n_channels = i;
7461 if (!cfg80211_off_channel_oper_allowed(wdev)) {
7462 struct ieee80211_channel *chan;
7464 if (request->n_channels != 1) {
7470 chan = request->channels[0];
7471 if (chan->center_freq != wdev->chandef.chan->center_freq) {
7481 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
7482 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7486 request->ssids[i].ssid_len = nla_len(attr);
7487 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
7492 if (info->attrs[NL80211_ATTR_IE]) {
7493 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7494 memcpy((void *)request->ie,
7495 nla_data(info->attrs[NL80211_ATTR_IE]),
7499 for (i = 0; i < NUM_NL80211_BANDS; i++)
7500 if (wiphy->bands[i])
7502 (1 << wiphy->bands[i]->n_bitrates) - 1;
7504 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
7505 nla_for_each_nested(attr,
7506 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
7508 enum nl80211_band band = nla_type(attr);
7510 if (band < 0 || band >= NUM_NL80211_BANDS) {
7515 if (!wiphy->bands[band])
7518 err = ieee80211_get_ratemask(wiphy->bands[band],
7521 &request->rates[band]);
7527 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
7528 if (!wiphy_ext_feature_isset(wiphy,
7529 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
7535 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
7536 request->duration_mandatory =
7537 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
7540 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
7546 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7548 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7549 * BSSID to scan for. This was problematic because that same attribute
7550 * was already used for another purpose (local random MAC address). The
7551 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7552 * compatibility with older userspace components, also use the
7553 * NL80211_ATTR_MAC value here if it can be determined to be used for
7554 * the specific BSSID use case instead of the random MAC address
7555 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7557 if (info->attrs[NL80211_ATTR_BSSID])
7558 memcpy(request->bssid,
7559 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
7560 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
7561 info->attrs[NL80211_ATTR_MAC])
7562 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
7565 eth_broadcast_addr(request->bssid);
7567 request->wdev = wdev;
7568 request->wiphy = &rdev->wiphy;
7569 request->scan_start = jiffies;
7571 rdev->scan_req = request;
7572 err = rdev_scan(rdev, request);
7575 nl80211_send_scan_start(rdev, wdev);
7577 dev_hold(wdev->netdev);
7580 rdev->scan_req = NULL;
7588 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
7590 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7591 struct wireless_dev *wdev = info->user_ptr[1];
7593 if (!rdev->ops->abort_scan)
7599 if (!rdev->scan_req)
7602 rdev_abort_scan(rdev, wdev);
7607 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
7608 struct cfg80211_sched_scan_request *request,
7609 struct nlattr **attrs)
7611 int tmp, err, i = 0;
7612 struct nlattr *attr;
7614 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7618 * If scan plans are not specified,
7619 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7620 * case one scan plan will be set with the specified scan
7621 * interval and infinite number of iterations.
7623 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
7627 request->scan_plans[0].interval =
7628 DIV_ROUND_UP(interval, MSEC_PER_SEC);
7629 if (!request->scan_plans[0].interval)
7632 if (request->scan_plans[0].interval >
7633 wiphy->max_sched_scan_plan_interval)
7634 request->scan_plans[0].interval =
7635 wiphy->max_sched_scan_plan_interval;
7640 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
7641 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
7643 if (WARN_ON(i >= n_plans))
7646 err = nla_parse_nested_deprecated(plan,
7647 NL80211_SCHED_SCAN_PLAN_MAX,
7648 attr, nl80211_plan_policy,
7653 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
7656 request->scan_plans[i].interval =
7657 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
7658 if (!request->scan_plans[i].interval ||
7659 request->scan_plans[i].interval >
7660 wiphy->max_sched_scan_plan_interval)
7663 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
7664 request->scan_plans[i].iterations =
7665 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
7666 if (!request->scan_plans[i].iterations ||
7667 (request->scan_plans[i].iterations >
7668 wiphy->max_sched_scan_plan_iterations))
7670 } else if (i < n_plans - 1) {
7672 * All scan plans but the last one must specify
7673 * a finite number of iterations
7682 * The last scan plan must not specify the number of
7683 * iterations, it is supposed to run infinitely
7685 if (request->scan_plans[n_plans - 1].iterations)
7692 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
7693 struct cfg80211_match_set *match_sets,
7694 struct nlattr *tb_band_rssi,
7697 struct nlattr *attr;
7698 int i, tmp, ret = 0;
7700 if (!wiphy_ext_feature_isset(wiphy,
7701 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
7705 for (i = 0; i < NUM_NL80211_BANDS; i++)
7706 match_sets->per_band_rssi_thold[i] =
7707 NL80211_SCAN_RSSI_THOLD_OFF;
7711 for (i = 0; i < NUM_NL80211_BANDS; i++)
7712 match_sets->per_band_rssi_thold[i] = rssi_thold;
7714 nla_for_each_nested(attr, tb_band_rssi, tmp) {
7715 enum nl80211_band band = nla_type(attr);
7717 if (band < 0 || band >= NUM_NL80211_BANDS)
7720 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
7726 static struct cfg80211_sched_scan_request *
7727 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
7728 struct nlattr **attrs, int max_match_sets)
7730 struct cfg80211_sched_scan_request *request;
7731 struct nlattr *attr;
7732 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
7733 enum nl80211_band band;
7735 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
7736 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
7738 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7739 n_channels = validate_scan_freqs(
7740 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7742 return ERR_PTR(-EINVAL);
7744 n_channels = ieee80211_get_num_supported_channels(wiphy);
7747 if (attrs[NL80211_ATTR_SCAN_SSIDS])
7748 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7752 if (n_ssids > wiphy->max_sched_scan_ssids)
7753 return ERR_PTR(-EINVAL);
7756 * First, count the number of 'real' matchsets. Due to an issue with
7757 * the old implementation, matchsets containing only the RSSI attribute
7758 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7759 * RSSI for all matchsets, rather than their own matchset for reporting
7760 * all APs with a strong RSSI. This is needed to be compatible with
7761 * older userspace that treated a matchset with only the RSSI as the
7762 * global RSSI for all other matchsets - if there are other matchsets.
7764 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7765 nla_for_each_nested(attr,
7766 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7768 struct nlattr *rssi;
7770 err = nla_parse_nested_deprecated(tb,
7771 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7773 nl80211_match_policy,
7776 return ERR_PTR(err);
7778 /* SSID and BSSID are mutually exclusive */
7779 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
7780 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
7781 return ERR_PTR(-EINVAL);
7783 /* add other standalone attributes here */
7784 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
7785 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
7789 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7791 default_match_rssi = nla_get_s32(rssi);
7795 /* However, if there's no other matchset, add the RSSI one */
7796 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
7799 if (n_match_sets > max_match_sets)
7800 return ERR_PTR(-EINVAL);
7802 if (attrs[NL80211_ATTR_IE])
7803 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
7807 if (ie_len > wiphy->max_sched_scan_ie_len)
7808 return ERR_PTR(-EINVAL);
7810 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7812 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7813 * each scan plan already specifies its own interval
7815 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7816 return ERR_PTR(-EINVAL);
7818 nla_for_each_nested(attr,
7819 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
7823 * The scan interval attribute is kept for backward
7824 * compatibility. If no scan plans are specified and sched scan
7825 * interval is specified, one scan plan will be set with this
7826 * scan interval and infinite number of iterations.
7828 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7829 return ERR_PTR(-EINVAL);
7834 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
7835 return ERR_PTR(-EINVAL);
7837 if (!wiphy_ext_feature_isset(
7838 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
7839 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
7840 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
7841 return ERR_PTR(-EINVAL);
7843 request = kzalloc(sizeof(*request)
7844 + sizeof(*request->ssids) * n_ssids
7845 + sizeof(*request->match_sets) * n_match_sets
7846 + sizeof(*request->scan_plans) * n_plans
7847 + sizeof(*request->channels) * n_channels
7848 + ie_len, GFP_KERNEL);
7850 return ERR_PTR(-ENOMEM);
7853 request->ssids = (void *)&request->channels[n_channels];
7854 request->n_ssids = n_ssids;
7857 request->ie = (void *)(request->ssids + n_ssids);
7859 request->ie = (void *)(request->channels + n_channels);
7864 request->match_sets = (void *)(request->ie + ie_len);
7866 request->match_sets =
7867 (void *)(request->ssids + n_ssids);
7869 request->match_sets =
7870 (void *)(request->channels + n_channels);
7872 request->n_match_sets = n_match_sets;
7875 request->scan_plans = (void *)(request->match_sets +
7877 else if (request->ie)
7878 request->scan_plans = (void *)(request->ie + ie_len);
7880 request->scan_plans = (void *)(request->ssids + n_ssids);
7882 request->scan_plans = (void *)(request->channels + n_channels);
7884 request->n_scan_plans = n_plans;
7887 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7888 /* user specified, bail out if channel not found */
7889 nla_for_each_nested(attr,
7890 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
7892 struct ieee80211_channel *chan;
7894 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7901 /* ignore disabled channels */
7902 if (chan->flags & IEEE80211_CHAN_DISABLED)
7905 request->channels[i] = chan;
7910 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7913 if (!wiphy->bands[band])
7915 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7916 struct ieee80211_channel *chan;
7918 chan = &wiphy->bands[band]->channels[j];
7920 if (chan->flags & IEEE80211_CHAN_DISABLED)
7923 request->channels[i] = chan;
7934 request->n_channels = i;
7938 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7940 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7944 request->ssids[i].ssid_len = nla_len(attr);
7945 memcpy(request->ssids[i].ssid, nla_data(attr),
7952 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7953 nla_for_each_nested(attr,
7954 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7956 struct nlattr *ssid, *bssid, *rssi;
7958 err = nla_parse_nested_deprecated(tb,
7959 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7961 nl80211_match_policy,
7965 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
7966 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
7968 if (!ssid && !bssid) {
7973 if (WARN_ON(i >= n_match_sets)) {
7974 /* this indicates a programming error,
7975 * the loop above should have verified
7983 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
7987 memcpy(request->match_sets[i].ssid.ssid,
7988 nla_data(ssid), nla_len(ssid));
7989 request->match_sets[i].ssid.ssid_len =
7993 if (nla_len(bssid) != ETH_ALEN) {
7997 memcpy(request->match_sets[i].bssid,
7998 nla_data(bssid), ETH_ALEN);
8001 /* special attribute - old implementation w/a */
8002 request->match_sets[i].rssi_thold = default_match_rssi;
8003 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8005 request->match_sets[i].rssi_thold =
8008 /* Parse per band RSSI attribute */
8009 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8010 &request->match_sets[i],
8011 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8012 request->match_sets[i].rssi_thold);
8019 /* there was no other matchset, so the RSSI one is alone */
8020 if (i == 0 && n_match_sets)
8021 request->match_sets[0].rssi_thold = default_match_rssi;
8023 request->min_rssi_thold = INT_MAX;
8024 for (i = 0; i < n_match_sets; i++)
8025 request->min_rssi_thold =
8026 min(request->match_sets[i].rssi_thold,
8027 request->min_rssi_thold);
8029 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8033 request->ie_len = ie_len;
8034 memcpy((void *)request->ie,
8035 nla_data(attrs[NL80211_ATTR_IE]),
8039 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8043 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8045 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8047 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8048 request->relative_rssi = nla_get_s8(
8049 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8050 request->relative_rssi_set = true;
8053 if (request->relative_rssi_set &&
8054 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8055 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8057 rssi_adjust = nla_data(
8058 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8059 request->rssi_adjust.band = rssi_adjust->band;
8060 request->rssi_adjust.delta = rssi_adjust->delta;
8061 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8067 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8071 request->scan_start = jiffies;
8077 return ERR_PTR(err);
8080 static int nl80211_start_sched_scan(struct sk_buff *skb,
8081 struct genl_info *info)
8083 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8084 struct net_device *dev = info->user_ptr[1];
8085 struct wireless_dev *wdev = dev->ieee80211_ptr;
8086 struct cfg80211_sched_scan_request *sched_scan_req;
8090 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8093 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8094 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8098 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8100 rdev->wiphy.max_match_sets);
8102 err = PTR_ERR_OR_ZERO(sched_scan_req);
8106 /* leave request id zero for legacy request
8107 * or if driver does not support multi-scheduled scan
8109 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) {
8110 while (!sched_scan_req->reqid)
8111 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8114 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
8118 sched_scan_req->dev = dev;
8119 sched_scan_req->wiphy = &rdev->wiphy;
8121 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8122 sched_scan_req->owner_nlportid = info->snd_portid;
8124 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
8126 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
8130 kfree(sched_scan_req);
8135 static int nl80211_stop_sched_scan(struct sk_buff *skb,
8136 struct genl_info *info)
8138 struct cfg80211_sched_scan_request *req;
8139 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8142 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
8145 if (info->attrs[NL80211_ATTR_COOKIE]) {
8146 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8147 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8150 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8151 struct cfg80211_sched_scan_request,
8153 if (!req || req->reqid ||
8154 (req->owner_nlportid &&
8155 req->owner_nlportid != info->snd_portid))
8158 return cfg80211_stop_sched_scan_req(rdev, req, false);
8161 static int nl80211_start_radar_detection(struct sk_buff *skb,
8162 struct genl_info *info)
8164 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8165 struct net_device *dev = info->user_ptr[1];
8166 struct wireless_dev *wdev = dev->ieee80211_ptr;
8167 struct wiphy *wiphy = wdev->wiphy;
8168 struct cfg80211_chan_def chandef;
8169 enum nl80211_dfs_regions dfs_region;
8170 unsigned int cac_time_ms;
8173 dfs_region = reg_get_dfs_region(wiphy);
8174 if (dfs_region == NL80211_DFS_UNSET)
8177 err = nl80211_parse_chandef(rdev, info, &chandef);
8181 if (netif_carrier_ok(dev))
8184 if (wdev->cac_started)
8187 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8194 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
8197 /* CAC start is offloaded to HW and can't be started manually */
8198 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8201 if (!rdev->ops->start_radar_detection)
8204 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8205 if (WARN_ON(!cac_time_ms))
8206 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8208 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
8210 wdev->chandef = chandef;
8211 wdev->cac_started = true;
8212 wdev->cac_start_time = jiffies;
8213 wdev->cac_time_ms = cac_time_ms;
8218 static int nl80211_notify_radar_detection(struct sk_buff *skb,
8219 struct genl_info *info)
8221 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8222 struct net_device *dev = info->user_ptr[1];
8223 struct wireless_dev *wdev = dev->ieee80211_ptr;
8224 struct wiphy *wiphy = wdev->wiphy;
8225 struct cfg80211_chan_def chandef;
8226 enum nl80211_dfs_regions dfs_region;
8229 dfs_region = reg_get_dfs_region(wiphy);
8230 if (dfs_region == NL80211_DFS_UNSET) {
8231 GENL_SET_ERR_MSG(info,
8232 "DFS Region is not set. Unexpected Radar indication");
8236 err = nl80211_parse_chandef(rdev, info, &chandef);
8238 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8242 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8244 GENL_SET_ERR_MSG(info, "chandef is invalid");
8249 GENL_SET_ERR_MSG(info,
8250 "Unexpected Radar indication for chandef/iftype");
8254 /* Do not process this notification if radar is already detected
8255 * by kernel on this channel, and return success.
8257 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8260 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8262 cfg80211_sched_dfs_chan_update(rdev);
8264 rdev->radar_chandef = chandef;
8266 /* Propagate this notification to other radios as well */
8267 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8272 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8274 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8275 struct net_device *dev = info->user_ptr[1];
8276 struct wireless_dev *wdev = dev->ieee80211_ptr;
8277 struct cfg80211_csa_settings params;
8278 /* csa_attrs is defined static to avoid waste of stack size - this
8279 * function is called under RTNL lock, so this should not be a problem.
8281 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
8283 bool need_new_beacon = false;
8284 bool need_handle_dfs_flag = true;
8288 if (!rdev->ops->channel_switch ||
8289 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
8292 switch (dev->ieee80211_ptr->iftype) {
8293 case NL80211_IFTYPE_AP:
8294 case NL80211_IFTYPE_P2P_GO:
8295 need_new_beacon = true;
8296 /* For all modes except AP the handle_dfs flag needs to be
8297 * supplied to tell the kernel that userspace will handle radar
8298 * events when they happen. Otherwise a switch to a channel
8299 * requiring DFS will be rejected.
8301 need_handle_dfs_flag = false;
8303 /* useless if AP is not running */
8304 if (!wdev->beacon_interval)
8307 case NL80211_IFTYPE_ADHOC:
8308 if (!wdev->ssid_len)
8311 case NL80211_IFTYPE_MESH_POINT:
8312 if (!wdev->mesh_id_len)
8319 memset(¶ms, 0, sizeof(params));
8320 params.beacon_csa.ftm_responder = -1;
8322 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8323 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
8326 /* only important for AP, IBSS and mesh create IEs internally */
8327 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
8330 /* Even though the attribute is u32, the specification says
8331 * u8, so let's make sure we don't overflow.
8333 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
8337 params.count = cs_count;
8339 if (!need_new_beacon)
8342 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
8346 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
8347 info->attrs[NL80211_ATTR_CSA_IES],
8348 nl80211_policy, info->extack);
8352 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
8356 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
8359 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8360 if (!len || (len % sizeof(u16)))
8363 params.n_counter_offsets_beacon = len / sizeof(u16);
8364 if (rdev->wiphy.max_num_csa_counters &&
8365 (params.n_counter_offsets_beacon >
8366 rdev->wiphy.max_num_csa_counters))
8369 params.counter_offsets_beacon =
8370 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8372 /* sanity checks - counters should fit and be the same */
8373 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
8374 u16 offset = params.counter_offsets_beacon[i];
8376 if (offset >= params.beacon_csa.tail_len)
8379 if (params.beacon_csa.tail[offset] != params.count)
8383 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
8384 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8385 if (!len || (len % sizeof(u16)))
8388 params.n_counter_offsets_presp = len / sizeof(u16);
8389 if (rdev->wiphy.max_num_csa_counters &&
8390 (params.n_counter_offsets_presp >
8391 rdev->wiphy.max_num_csa_counters))
8394 params.counter_offsets_presp =
8395 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8397 /* sanity checks - counters should fit and be the same */
8398 for (i = 0; i < params.n_counter_offsets_presp; i++) {
8399 u16 offset = params.counter_offsets_presp[i];
8401 if (offset >= params.beacon_csa.probe_resp_len)
8404 if (params.beacon_csa.probe_resp[offset] !=
8411 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
8415 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
8419 err = cfg80211_chandef_dfs_required(wdev->wiphy,
8426 params.radar_required = true;
8427 if (need_handle_dfs_flag &&
8428 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
8433 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
8434 params.block_tx = true;
8437 err = rdev_channel_switch(rdev, dev, ¶ms);
8443 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
8445 struct cfg80211_registered_device *rdev,
8446 struct wireless_dev *wdev,
8447 struct cfg80211_internal_bss *intbss)
8449 struct cfg80211_bss *res = &intbss->pub;
8450 const struct cfg80211_bss_ies *ies;
8454 ASSERT_WDEV_LOCK(wdev);
8456 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8457 NL80211_CMD_NEW_SCAN_RESULTS);
8461 genl_dump_check_consistent(cb, hdr);
8463 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
8464 goto nla_put_failure;
8466 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
8467 goto nla_put_failure;
8468 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
8470 goto nla_put_failure;
8472 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
8474 goto nla_put_failure;
8475 if ((!is_zero_ether_addr(res->bssid) &&
8476 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
8477 goto nla_put_failure;
8480 /* indicate whether we have probe response data or not */
8481 if (rcu_access_pointer(res->proberesp_ies) &&
8482 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
8483 goto fail_unlock_rcu;
8485 /* this pointer prefers to be pointed to probe response data
8486 * but is always valid
8488 ies = rcu_dereference(res->ies);
8490 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
8492 goto fail_unlock_rcu;
8493 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
8494 ies->len, ies->data))
8495 goto fail_unlock_rcu;
8498 /* and this pointer is always (unless driver didn't know) beacon data */
8499 ies = rcu_dereference(res->beacon_ies);
8500 if (ies && ies->from_beacon) {
8501 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
8503 goto fail_unlock_rcu;
8504 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
8505 ies->len, ies->data))
8506 goto fail_unlock_rcu;
8510 if (res->beacon_interval &&
8511 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
8512 goto nla_put_failure;
8513 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
8514 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
8515 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
8516 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
8517 jiffies_to_msecs(jiffies - intbss->ts)))
8518 goto nla_put_failure;
8520 if (intbss->parent_tsf &&
8521 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
8522 intbss->parent_tsf, NL80211_BSS_PAD) ||
8523 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
8524 intbss->parent_bssid)))
8525 goto nla_put_failure;
8527 if (intbss->ts_boottime &&
8528 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
8529 intbss->ts_boottime, NL80211_BSS_PAD))
8530 goto nla_put_failure;
8532 if (!nl80211_put_signal(msg, intbss->pub.chains,
8533 intbss->pub.chain_signal,
8534 NL80211_BSS_CHAIN_SIGNAL))
8535 goto nla_put_failure;
8537 switch (rdev->wiphy.signal_type) {
8538 case CFG80211_SIGNAL_TYPE_MBM:
8539 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
8540 goto nla_put_failure;
8542 case CFG80211_SIGNAL_TYPE_UNSPEC:
8543 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
8544 goto nla_put_failure;
8550 switch (wdev->iftype) {
8551 case NL80211_IFTYPE_P2P_CLIENT:
8552 case NL80211_IFTYPE_STATION:
8553 if (intbss == wdev->current_bss &&
8554 nla_put_u32(msg, NL80211_BSS_STATUS,
8555 NL80211_BSS_STATUS_ASSOCIATED))
8556 goto nla_put_failure;
8558 case NL80211_IFTYPE_ADHOC:
8559 if (intbss == wdev->current_bss &&
8560 nla_put_u32(msg, NL80211_BSS_STATUS,
8561 NL80211_BSS_STATUS_IBSS_JOINED))
8562 goto nla_put_failure;
8568 nla_nest_end(msg, bss);
8570 genlmsg_end(msg, hdr);
8576 genlmsg_cancel(msg, hdr);
8580 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
8582 struct cfg80211_registered_device *rdev;
8583 struct cfg80211_internal_bss *scan;
8584 struct wireless_dev *wdev;
8585 int start = cb->args[2], idx = 0;
8589 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8596 spin_lock_bh(&rdev->bss_lock);
8599 * dump_scan will be called multiple times to break up the scan results
8600 * into multiple messages. It is unlikely that any more bss-es will be
8601 * expired after the first call, so only call only call this on the
8602 * first dump_scan invocation.
8605 cfg80211_bss_expire(rdev);
8607 cb->seq = rdev->bss_generation;
8609 list_for_each_entry(scan, &rdev->bss_list, list) {
8612 if (nl80211_send_bss(skb, cb,
8613 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8614 rdev, wdev, scan) < 0) {
8620 spin_unlock_bh(&rdev->bss_lock);
8629 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
8630 int flags, struct net_device *dev,
8631 bool allow_radio_stats,
8632 struct survey_info *survey)
8635 struct nlattr *infoattr;
8637 /* skip radio stats if userspace didn't request them */
8638 if (!survey->channel && !allow_radio_stats)
8641 hdr = nl80211hdr_put(msg, portid, seq, flags,
8642 NL80211_CMD_NEW_SURVEY_RESULTS);
8646 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
8647 goto nla_put_failure;
8649 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
8651 goto nla_put_failure;
8653 if (survey->channel &&
8654 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
8655 survey->channel->center_freq))
8656 goto nla_put_failure;
8658 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
8659 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
8660 goto nla_put_failure;
8661 if ((survey->filled & SURVEY_INFO_IN_USE) &&
8662 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
8663 goto nla_put_failure;
8664 if ((survey->filled & SURVEY_INFO_TIME) &&
8665 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
8666 survey->time, NL80211_SURVEY_INFO_PAD))
8667 goto nla_put_failure;
8668 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
8669 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
8670 survey->time_busy, NL80211_SURVEY_INFO_PAD))
8671 goto nla_put_failure;
8672 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
8673 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
8674 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
8675 goto nla_put_failure;
8676 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
8677 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
8678 survey->time_rx, NL80211_SURVEY_INFO_PAD))
8679 goto nla_put_failure;
8680 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
8681 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
8682 survey->time_tx, NL80211_SURVEY_INFO_PAD))
8683 goto nla_put_failure;
8684 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
8685 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
8686 survey->time_scan, NL80211_SURVEY_INFO_PAD))
8687 goto nla_put_failure;
8689 nla_nest_end(msg, infoattr);
8691 genlmsg_end(msg, hdr);
8695 genlmsg_cancel(msg, hdr);
8699 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
8701 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
8702 struct survey_info survey;
8703 struct cfg80211_registered_device *rdev;
8704 struct wireless_dev *wdev;
8705 int survey_idx = cb->args[2];
8710 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8714 /* prepare_wdev_dump parsed the attributes */
8715 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
8717 if (!wdev->netdev) {
8722 if (!rdev->ops->dump_survey) {
8728 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
8734 /* don't send disabled channels, but do send non-channel data */
8735 if (survey.channel &&
8736 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
8741 if (nl80211_send_survey(skb,
8742 NETLINK_CB(cb->skb).portid,
8743 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8744 wdev->netdev, radio_stats, &survey) < 0)
8750 cb->args[2] = survey_idx;
8757 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
8759 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
8760 NL80211_WPA_VERSION_2 |
8761 NL80211_WPA_VERSION_3));
8764 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
8766 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8767 struct net_device *dev = info->user_ptr[1];
8768 struct ieee80211_channel *chan;
8769 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
8770 int err, ssid_len, ie_len = 0, auth_data_len = 0;
8771 enum nl80211_auth_type auth_type;
8772 struct key_parse key;
8773 bool local_state_change;
8775 if (!info->attrs[NL80211_ATTR_MAC])
8778 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
8781 if (!info->attrs[NL80211_ATTR_SSID])
8784 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
8787 err = nl80211_parse_key(info, &key);
8792 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
8794 if (!key.p.key || !key.p.key_len)
8796 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
8797 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
8798 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
8799 key.p.key_len != WLAN_KEY_LEN_WEP104))
8812 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
8813 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
8822 if (!rdev->ops->auth)
8825 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8826 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8829 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8830 chan = nl80211_get_valid_chan(&rdev->wiphy,
8831 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8835 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8836 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8838 if (info->attrs[NL80211_ATTR_IE]) {
8839 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8840 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8843 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
8844 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
8847 if ((auth_type == NL80211_AUTHTYPE_SAE ||
8848 auth_type == NL80211_AUTHTYPE_FILS_SK ||
8849 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
8850 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
8851 !info->attrs[NL80211_ATTR_AUTH_DATA])
8854 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
8855 if (auth_type != NL80211_AUTHTYPE_SAE &&
8856 auth_type != NL80211_AUTHTYPE_FILS_SK &&
8857 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
8858 auth_type != NL80211_AUTHTYPE_FILS_PK)
8860 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
8861 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
8862 /* need to include at least Auth Transaction and Status Code */
8863 if (auth_data_len < 4)
8867 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8870 * Since we no longer track auth state, ignore
8871 * requests to only change local state.
8873 if (local_state_change)
8876 wdev_lock(dev->ieee80211_ptr);
8877 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
8878 ssid, ssid_len, ie, ie_len,
8879 key.p.key, key.p.key_len, key.idx,
8880 auth_data, auth_data_len);
8881 wdev_unlock(dev->ieee80211_ptr);
8885 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
8886 struct genl_info *info)
8888 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
8889 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
8893 if (!rdev->ops->tx_control_port ||
8894 !wiphy_ext_feature_isset(&rdev->wiphy,
8895 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
8901 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
8902 struct genl_info *info,
8903 struct cfg80211_crypto_settings *settings,
8906 memset(settings, 0, sizeof(*settings));
8908 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
8910 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
8913 proto = nla_get_u16(
8914 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
8915 settings->control_port_ethertype = cpu_to_be16(proto);
8916 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
8919 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
8920 settings->control_port_no_encrypt = true;
8922 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
8924 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
8925 int r = validate_pae_over_nl80211(rdev, info);
8930 settings->control_port_over_nl80211 = true;
8933 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
8937 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8938 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8939 settings->n_ciphers_pairwise = len / sizeof(u32);
8941 if (len % sizeof(u32))
8944 if (settings->n_ciphers_pairwise > cipher_limit)
8947 memcpy(settings->ciphers_pairwise, data, len);
8949 for (i = 0; i < settings->n_ciphers_pairwise; i++)
8950 if (!cfg80211_supported_cipher_suite(
8952 settings->ciphers_pairwise[i]))
8956 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
8957 settings->cipher_group =
8958 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
8959 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
8960 settings->cipher_group))
8964 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
8965 settings->wpa_versions =
8966 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
8967 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
8971 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
8975 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
8976 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
8977 settings->n_akm_suites = len / sizeof(u32);
8979 if (len % sizeof(u32))
8982 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
8985 memcpy(settings->akm_suites, data, len);
8988 if (info->attrs[NL80211_ATTR_PMK]) {
8989 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
8991 if (!wiphy_ext_feature_isset(&rdev->wiphy,
8992 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
8994 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
8997 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
8998 if (!wiphy_ext_feature_isset(&rdev->wiphy,
8999 NL80211_EXT_FEATURE_SAE_OFFLOAD))
9002 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9003 settings->sae_pwd_len =
9004 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9010 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9012 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9013 struct net_device *dev = info->user_ptr[1];
9014 struct ieee80211_channel *chan;
9015 struct cfg80211_assoc_request req = {};
9016 const u8 *bssid, *ssid;
9017 int err, ssid_len = 0;
9019 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9020 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9023 if (!info->attrs[NL80211_ATTR_MAC] ||
9024 !info->attrs[NL80211_ATTR_SSID] ||
9025 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
9028 if (!rdev->ops->assoc)
9031 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9032 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9035 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9037 chan = nl80211_get_valid_chan(&rdev->wiphy,
9038 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9042 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9043 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9045 if (info->attrs[NL80211_ATTR_IE]) {
9046 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9047 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9050 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9051 enum nl80211_mfp mfp =
9052 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9053 if (mfp == NL80211_MFP_REQUIRED)
9055 else if (mfp != NL80211_MFP_NO)
9059 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9060 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9062 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9063 req.flags |= ASSOC_REQ_DISABLE_HT;
9065 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9066 memcpy(&req.ht_capa_mask,
9067 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9068 sizeof(req.ht_capa_mask));
9070 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9071 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9073 memcpy(&req.ht_capa,
9074 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9075 sizeof(req.ht_capa));
9078 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9079 req.flags |= ASSOC_REQ_DISABLE_VHT;
9081 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9082 memcpy(&req.vht_capa_mask,
9083 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9084 sizeof(req.vht_capa_mask));
9086 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9087 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9089 memcpy(&req.vht_capa,
9090 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9091 sizeof(req.vht_capa));
9094 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9095 if (!((rdev->wiphy.features &
9096 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9097 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9098 !wiphy_ext_feature_isset(&rdev->wiphy,
9099 NL80211_EXT_FEATURE_RRM))
9101 req.flags |= ASSOC_REQ_USE_RRM;
9104 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9105 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9106 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9107 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9110 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9113 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
9115 wdev_lock(dev->ieee80211_ptr);
9117 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9118 ssid, ssid_len, &req);
9120 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9121 dev->ieee80211_ptr->conn_owner_nlportid =
9123 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9127 wdev_unlock(dev->ieee80211_ptr);
9133 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9135 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9136 struct net_device *dev = info->user_ptr[1];
9137 const u8 *ie = NULL, *bssid;
9138 int ie_len = 0, err;
9140 bool local_state_change;
9142 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9143 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9146 if (!info->attrs[NL80211_ATTR_MAC])
9149 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9152 if (!rdev->ops->deauth)
9155 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9156 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9159 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9161 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9162 if (reason_code == 0) {
9163 /* Reason Code 0 is reserved */
9167 if (info->attrs[NL80211_ATTR_IE]) {
9168 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9169 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9172 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9174 wdev_lock(dev->ieee80211_ptr);
9175 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9176 local_state_change);
9177 wdev_unlock(dev->ieee80211_ptr);
9181 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9183 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9184 struct net_device *dev = info->user_ptr[1];
9185 const u8 *ie = NULL, *bssid;
9186 int ie_len = 0, err;
9188 bool local_state_change;
9190 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9191 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9194 if (!info->attrs[NL80211_ATTR_MAC])
9197 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9200 if (!rdev->ops->disassoc)
9203 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9204 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9207 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9209 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9210 if (reason_code == 0) {
9211 /* Reason Code 0 is reserved */
9215 if (info->attrs[NL80211_ATTR_IE]) {
9216 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9217 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9220 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9222 wdev_lock(dev->ieee80211_ptr);
9223 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9224 local_state_change);
9225 wdev_unlock(dev->ieee80211_ptr);
9230 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
9231 int mcast_rate[NUM_NL80211_BANDS],
9234 struct wiphy *wiphy = &rdev->wiphy;
9238 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9239 struct ieee80211_supported_band *sband;
9241 sband = wiphy->bands[band];
9245 for (i = 0; i < sband->n_bitrates; i++) {
9246 if (sband->bitrates[i].bitrate == rateval) {
9247 mcast_rate[band] = i + 1;
9257 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
9259 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9260 struct net_device *dev = info->user_ptr[1];
9261 struct cfg80211_ibss_params ibss;
9262 struct wiphy *wiphy;
9263 struct cfg80211_cached_keys *connkeys = NULL;
9266 memset(&ibss, 0, sizeof(ibss));
9268 if (!info->attrs[NL80211_ATTR_SSID] ||
9269 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9272 ibss.beacon_interval = 100;
9274 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
9275 ibss.beacon_interval =
9276 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9278 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
9279 ibss.beacon_interval);
9283 if (!rdev->ops->join_ibss)
9286 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9289 wiphy = &rdev->wiphy;
9291 if (info->attrs[NL80211_ATTR_MAC]) {
9292 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9294 if (!is_valid_ether_addr(ibss.bssid))
9297 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9298 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9300 if (info->attrs[NL80211_ATTR_IE]) {
9301 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9302 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9305 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
9309 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
9310 NL80211_IFTYPE_ADHOC))
9313 switch (ibss.chandef.width) {
9314 case NL80211_CHAN_WIDTH_5:
9315 case NL80211_CHAN_WIDTH_10:
9316 case NL80211_CHAN_WIDTH_20_NOHT:
9318 case NL80211_CHAN_WIDTH_20:
9319 case NL80211_CHAN_WIDTH_40:
9320 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9323 case NL80211_CHAN_WIDTH_80:
9324 case NL80211_CHAN_WIDTH_80P80:
9325 case NL80211_CHAN_WIDTH_160:
9326 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9328 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9329 NL80211_EXT_FEATURE_VHT_IBSS))
9336 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
9337 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
9339 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9341 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9343 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9344 struct ieee80211_supported_band *sband =
9345 wiphy->bands[ibss.chandef.chan->band];
9347 err = ieee80211_get_ratemask(sband, rates, n_rates,
9353 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9354 memcpy(&ibss.ht_capa_mask,
9355 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9356 sizeof(ibss.ht_capa_mask));
9358 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9359 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9361 memcpy(&ibss.ht_capa,
9362 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9363 sizeof(ibss.ht_capa));
9366 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9367 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
9368 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9371 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9374 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
9375 if (IS_ERR(connkeys))
9376 return PTR_ERR(connkeys);
9378 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
9386 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
9388 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9389 int r = validate_pae_over_nl80211(rdev, info);
9396 ibss.control_port_over_nl80211 = true;
9399 ibss.userspace_handles_dfs =
9400 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9402 wdev_lock(dev->ieee80211_ptr);
9403 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
9406 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9407 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9408 wdev_unlock(dev->ieee80211_ptr);
9413 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
9415 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9416 struct net_device *dev = info->user_ptr[1];
9418 if (!rdev->ops->leave_ibss)
9421 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9424 return cfg80211_leave_ibss(rdev, dev, false);
9427 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
9429 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9430 struct net_device *dev = info->user_ptr[1];
9431 int mcast_rate[NUM_NL80211_BANDS];
9435 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
9436 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
9437 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
9440 if (!rdev->ops->set_mcast_rate)
9443 memset(mcast_rate, 0, sizeof(mcast_rate));
9445 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
9448 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
9449 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
9452 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
9457 static struct sk_buff *
9458 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
9459 struct wireless_dev *wdev, int approxlen,
9460 u32 portid, u32 seq, enum nl80211_commands cmd,
9461 enum nl80211_attrs attr,
9462 const struct nl80211_vendor_cmd_info *info,
9465 struct sk_buff *skb;
9467 struct nlattr *data;
9469 skb = nlmsg_new(approxlen + 100, gfp);
9473 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
9479 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
9480 goto nla_put_failure;
9483 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
9485 goto nla_put_failure;
9486 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
9488 goto nla_put_failure;
9492 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
9493 wdev_id(wdev), NL80211_ATTR_PAD))
9494 goto nla_put_failure;
9496 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
9497 wdev->netdev->ifindex))
9498 goto nla_put_failure;
9501 data = nla_nest_start_noflag(skb, attr);
9503 goto nla_put_failure;
9505 ((void **)skb->cb)[0] = rdev;
9506 ((void **)skb->cb)[1] = hdr;
9507 ((void **)skb->cb)[2] = data;
9516 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
9517 struct wireless_dev *wdev,
9518 enum nl80211_commands cmd,
9519 enum nl80211_attrs attr,
9520 unsigned int portid,
9521 int vendor_event_idx,
9522 int approxlen, gfp_t gfp)
9524 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
9525 const struct nl80211_vendor_cmd_info *info;
9528 case NL80211_CMD_TESTMODE:
9529 if (WARN_ON(vendor_event_idx != -1))
9533 case NL80211_CMD_VENDOR:
9534 if (WARN_ON(vendor_event_idx < 0 ||
9535 vendor_event_idx >= wiphy->n_vendor_events))
9537 info = &wiphy->vendor_events[vendor_event_idx];
9544 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
9545 cmd, attr, info, gfp);
9547 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
9549 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
9551 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9552 void *hdr = ((void **)skb->cb)[1];
9553 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
9554 struct nlattr *data = ((void **)skb->cb)[2];
9555 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
9557 /* clear CB data for netlink core to own from now on */
9558 memset(skb->cb, 0, sizeof(skb->cb));
9560 nla_nest_end(skb, data);
9561 genlmsg_end(skb, hdr);
9563 if (nlhdr->nlmsg_pid) {
9564 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
9567 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
9568 mcgrp = NL80211_MCGRP_VENDOR;
9570 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
9571 skb, 0, mcgrp, gfp);
9574 EXPORT_SYMBOL(__cfg80211_send_event_skb);
9576 #ifdef CONFIG_NL80211_TESTMODE
9577 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
9579 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9580 struct wireless_dev *wdev =
9581 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
9584 if (!rdev->ops->testmode_cmd)
9588 err = PTR_ERR(wdev);
9592 } else if (wdev->wiphy != &rdev->wiphy) {
9596 if (!info->attrs[NL80211_ATTR_TESTDATA])
9599 rdev->cur_cmd_info = info;
9600 err = rdev_testmode_cmd(rdev, wdev,
9601 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
9602 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
9603 rdev->cur_cmd_info = NULL;
9608 static int nl80211_testmode_dump(struct sk_buff *skb,
9609 struct netlink_callback *cb)
9611 struct cfg80211_registered_device *rdev;
9621 * 0 is a valid index, but not valid for args[0],
9622 * so we need to offset by 1.
9624 phy_idx = cb->args[0] - 1;
9626 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
9632 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
9634 err = nlmsg_parse_deprecated(cb->nlh,
9635 GENL_HDRLEN + nl80211_fam.hdrsize,
9636 attrbuf, nl80211_fam.maxattr,
9637 nl80211_policy, NULL);
9641 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
9643 err = PTR_ERR(rdev);
9646 phy_idx = rdev->wiphy_idx;
9648 if (attrbuf[NL80211_ATTR_TESTDATA])
9649 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
9653 data = nla_data((void *)cb->args[1]);
9654 data_len = nla_len((void *)cb->args[1]);
9657 if (!rdev->ops->testmode_dump) {
9663 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
9664 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9665 NL80211_CMD_TESTMODE);
9666 struct nlattr *tmdata;
9671 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
9672 genlmsg_cancel(skb, hdr);
9676 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
9678 genlmsg_cancel(skb, hdr);
9681 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
9682 nla_nest_end(skb, tmdata);
9684 if (err == -ENOBUFS || err == -ENOENT) {
9685 genlmsg_cancel(skb, hdr);
9688 genlmsg_cancel(skb, hdr);
9692 genlmsg_end(skb, hdr);
9697 cb->args[0] = phy_idx + 1;
9704 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
9706 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9707 struct net_device *dev = info->user_ptr[1];
9708 struct cfg80211_connect_params connect;
9709 struct wiphy *wiphy;
9710 struct cfg80211_cached_keys *connkeys = NULL;
9713 memset(&connect, 0, sizeof(connect));
9715 if (!info->attrs[NL80211_ATTR_SSID] ||
9716 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9719 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9721 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9722 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
9723 NL80211_CMD_CONNECT))
9726 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
9728 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
9730 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
9731 !wiphy_ext_feature_isset(&rdev->wiphy,
9732 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
9734 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
9736 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
9737 NL80211_MAX_NR_CIPHER_SUITES);
9741 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9742 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9745 wiphy = &rdev->wiphy;
9747 connect.bg_scan_period = -1;
9748 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
9749 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
9750 connect.bg_scan_period =
9751 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
9754 if (info->attrs[NL80211_ATTR_MAC])
9755 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9756 else if (info->attrs[NL80211_ATTR_MAC_HINT])
9757 connect.bssid_hint =
9758 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
9759 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9760 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9762 if (info->attrs[NL80211_ATTR_IE]) {
9763 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9764 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9767 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9768 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9769 if (connect.mfp == NL80211_MFP_OPTIONAL &&
9770 !wiphy_ext_feature_isset(&rdev->wiphy,
9771 NL80211_EXT_FEATURE_MFP_OPTIONAL))
9774 connect.mfp = NL80211_MFP_NO;
9777 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9778 connect.prev_bssid =
9779 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9781 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9782 connect.channel = nl80211_get_valid_chan(
9783 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9784 if (!connect.channel)
9786 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
9787 connect.channel_hint = nl80211_get_valid_chan(
9788 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
9789 if (!connect.channel_hint)
9793 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9794 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
9795 if (IS_ERR(connkeys))
9796 return PTR_ERR(connkeys);
9799 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9800 connect.flags |= ASSOC_REQ_DISABLE_HT;
9802 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9803 memcpy(&connect.ht_capa_mask,
9804 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9805 sizeof(connect.ht_capa_mask));
9807 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9808 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
9812 memcpy(&connect.ht_capa,
9813 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9814 sizeof(connect.ht_capa));
9817 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9818 connect.flags |= ASSOC_REQ_DISABLE_VHT;
9820 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9821 memcpy(&connect.vht_capa_mask,
9822 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9823 sizeof(connect.vht_capa_mask));
9825 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9826 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
9830 memcpy(&connect.vht_capa,
9831 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9832 sizeof(connect.vht_capa));
9835 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9836 if (!((rdev->wiphy.features &
9837 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9838 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9839 !wiphy_ext_feature_isset(&rdev->wiphy,
9840 NL80211_EXT_FEATURE_RRM)) {
9844 connect.flags |= ASSOC_REQ_USE_RRM;
9847 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
9848 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
9853 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
9854 /* bss selection makes no sense if bssid is set */
9855 if (connect.bssid) {
9860 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
9861 wiphy, &connect.bss_select);
9868 if (wiphy_ext_feature_isset(&rdev->wiphy,
9869 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
9870 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9871 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9872 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9873 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9874 connect.fils_erp_username =
9875 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9876 connect.fils_erp_username_len =
9877 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9878 connect.fils_erp_realm =
9879 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9880 connect.fils_erp_realm_len =
9881 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9882 connect.fils_erp_next_seq_num =
9884 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9885 connect.fils_erp_rrk =
9886 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9887 connect.fils_erp_rrk_len =
9888 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9889 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9890 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9891 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9892 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9897 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
9898 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9900 GENL_SET_ERR_MSG(info,
9901 "external auth requires connection ownership");
9904 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
9907 wdev_lock(dev->ieee80211_ptr);
9909 err = cfg80211_connect(rdev, dev, &connect, connkeys,
9910 connect.prev_bssid);
9914 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9915 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9917 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9918 connect.bssid, ETH_ALEN);
9920 memset(dev->ieee80211_ptr->disconnect_bssid,
9924 wdev_unlock(dev->ieee80211_ptr);
9929 static int nl80211_update_connect_params(struct sk_buff *skb,
9930 struct genl_info *info)
9932 struct cfg80211_connect_params connect = {};
9933 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9934 struct net_device *dev = info->user_ptr[1];
9935 struct wireless_dev *wdev = dev->ieee80211_ptr;
9936 bool fils_sk_offload;
9941 if (!rdev->ops->update_connect_params)
9944 if (info->attrs[NL80211_ATTR_IE]) {
9945 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9946 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9947 changed |= UPDATE_ASSOC_IES;
9950 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
9951 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
9954 * when driver supports fils-sk offload all attributes must be
9955 * provided. So the else covers "fils-sk-not-all" and
9958 if (fils_sk_offload &&
9959 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9960 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9961 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9962 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9963 connect.fils_erp_username =
9964 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9965 connect.fils_erp_username_len =
9966 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9967 connect.fils_erp_realm =
9968 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9969 connect.fils_erp_realm_len =
9970 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9971 connect.fils_erp_next_seq_num =
9973 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9974 connect.fils_erp_rrk =
9975 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9976 connect.fils_erp_rrk_len =
9977 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9978 changed |= UPDATE_FILS_ERP_INFO;
9979 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9980 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9981 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9982 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9986 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9987 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9988 if (!nl80211_valid_auth_type(rdev, auth_type,
9989 NL80211_CMD_CONNECT))
9992 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
9993 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
9996 connect.auth_type = auth_type;
9997 changed |= UPDATE_AUTH_TYPE;
10000 wdev_lock(dev->ieee80211_ptr);
10001 if (!wdev->current_bss)
10004 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
10005 wdev_unlock(dev->ieee80211_ptr);
10010 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
10012 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10013 struct net_device *dev = info->user_ptr[1];
10017 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10018 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10021 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10022 reason = WLAN_REASON_DEAUTH_LEAVING;
10024 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10029 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10030 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10031 return -EOPNOTSUPP;
10033 wdev_lock(dev->ieee80211_ptr);
10034 ret = cfg80211_disconnect(rdev, dev, reason, true);
10035 wdev_unlock(dev->ieee80211_ptr);
10039 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
10041 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10045 if (info->attrs[NL80211_ATTR_PID]) {
10046 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
10048 net = get_net_ns_by_pid(pid);
10049 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
10050 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
10052 net = get_net_ns_by_fd(fd);
10058 return PTR_ERR(net);
10062 /* check if anything to do */
10063 if (!net_eq(wiphy_net(&rdev->wiphy), net))
10064 err = cfg80211_switch_netns(rdev, net);
10070 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10072 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10073 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10074 struct cfg80211_pmksa *pmksa) = NULL;
10075 struct net_device *dev = info->user_ptr[1];
10076 struct cfg80211_pmksa pmksa;
10078 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10080 if (!info->attrs[NL80211_ATTR_PMKID])
10083 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
10085 if (info->attrs[NL80211_ATTR_MAC]) {
10086 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10087 } else if (info->attrs[NL80211_ATTR_SSID] &&
10088 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10089 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10090 info->attrs[NL80211_ATTR_PMK])) {
10091 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10092 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10094 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10098 if (info->attrs[NL80211_ATTR_PMK]) {
10099 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10100 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10103 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10104 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10105 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10106 wiphy_ext_feature_isset(&rdev->wiphy,
10107 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
10108 return -EOPNOTSUPP;
10110 switch (info->genlhdr->cmd) {
10111 case NL80211_CMD_SET_PMKSA:
10112 rdev_ops = rdev->ops->set_pmksa;
10114 case NL80211_CMD_DEL_PMKSA:
10115 rdev_ops = rdev->ops->del_pmksa;
10123 return -EOPNOTSUPP;
10125 return rdev_ops(&rdev->wiphy, dev, &pmksa);
10128 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10130 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10131 struct net_device *dev = info->user_ptr[1];
10133 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10134 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10135 return -EOPNOTSUPP;
10137 if (!rdev->ops->flush_pmksa)
10138 return -EOPNOTSUPP;
10140 return rdev_flush_pmksa(rdev, dev);
10143 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10145 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10146 struct net_device *dev = info->user_ptr[1];
10147 u8 action_code, dialog_token;
10148 u32 peer_capability = 0;
10153 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10154 !rdev->ops->tdls_mgmt)
10155 return -EOPNOTSUPP;
10157 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10158 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10159 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10160 !info->attrs[NL80211_ATTR_IE] ||
10161 !info->attrs[NL80211_ATTR_MAC])
10164 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10165 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10166 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10167 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
10168 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
10169 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10171 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
10173 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
10174 dialog_token, status_code, peer_capability,
10176 nla_data(info->attrs[NL80211_ATTR_IE]),
10177 nla_len(info->attrs[NL80211_ATTR_IE]));
10180 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10182 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10183 struct net_device *dev = info->user_ptr[1];
10184 enum nl80211_tdls_operation operation;
10187 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10188 !rdev->ops->tdls_oper)
10189 return -EOPNOTSUPP;
10191 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10192 !info->attrs[NL80211_ATTR_MAC])
10195 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10196 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10198 return rdev_tdls_oper(rdev, dev, peer, operation);
10201 static int nl80211_remain_on_channel(struct sk_buff *skb,
10202 struct genl_info *info)
10204 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10205 struct wireless_dev *wdev = info->user_ptr[1];
10206 struct cfg80211_chan_def chandef;
10207 const struct cfg80211_chan_def *compat_chandef;
10208 struct sk_buff *msg;
10214 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10215 !info->attrs[NL80211_ATTR_DURATION])
10218 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10220 if (!rdev->ops->remain_on_channel ||
10221 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
10222 return -EOPNOTSUPP;
10225 * We should be on that channel for at least a minimum amount of
10226 * time (10ms) but no longer than the driver supports.
10228 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10229 duration > rdev->wiphy.max_remain_on_channel_duration)
10232 err = nl80211_parse_chandef(rdev, info, &chandef);
10237 if (!cfg80211_off_channel_oper_allowed(wdev) &&
10238 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
10239 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
10241 if (compat_chandef != &chandef) {
10248 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10252 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10253 NL80211_CMD_REMAIN_ON_CHANNEL);
10259 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
10260 duration, &cookie);
10265 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10267 goto nla_put_failure;
10269 genlmsg_end(msg, hdr);
10271 return genlmsg_reply(msg, info);
10280 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
10281 struct genl_info *info)
10283 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10284 struct wireless_dev *wdev = info->user_ptr[1];
10287 if (!info->attrs[NL80211_ATTR_COOKIE])
10290 if (!rdev->ops->cancel_remain_on_channel)
10291 return -EOPNOTSUPP;
10293 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10295 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
10298 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
10299 struct genl_info *info)
10301 struct cfg80211_bitrate_mask mask;
10302 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10303 struct net_device *dev = info->user_ptr[1];
10306 if (!rdev->ops->set_bitrate_mask)
10307 return -EOPNOTSUPP;
10309 err = nl80211_parse_tx_bitrate_mask(info, &mask);
10313 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
10316 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
10318 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10319 struct wireless_dev *wdev = info->user_ptr[1];
10320 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
10322 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
10325 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
10326 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
10328 switch (wdev->iftype) {
10329 case NL80211_IFTYPE_STATION:
10330 case NL80211_IFTYPE_ADHOC:
10331 case NL80211_IFTYPE_P2P_CLIENT:
10332 case NL80211_IFTYPE_AP:
10333 case NL80211_IFTYPE_AP_VLAN:
10334 case NL80211_IFTYPE_MESH_POINT:
10335 case NL80211_IFTYPE_P2P_GO:
10336 case NL80211_IFTYPE_P2P_DEVICE:
10338 case NL80211_IFTYPE_NAN:
10340 return -EOPNOTSUPP;
10343 /* not much point in registering if we can't reply */
10344 if (!rdev->ops->mgmt_tx)
10345 return -EOPNOTSUPP;
10347 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
10348 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10349 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
10352 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
10354 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10355 struct wireless_dev *wdev = info->user_ptr[1];
10356 struct cfg80211_chan_def chandef;
10360 struct sk_buff *msg = NULL;
10361 struct cfg80211_mgmt_tx_params params = {
10362 .dont_wait_for_ack =
10363 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
10366 if (!info->attrs[NL80211_ATTR_FRAME])
10369 if (!rdev->ops->mgmt_tx)
10370 return -EOPNOTSUPP;
10372 switch (wdev->iftype) {
10373 case NL80211_IFTYPE_P2P_DEVICE:
10374 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10376 case NL80211_IFTYPE_STATION:
10377 case NL80211_IFTYPE_ADHOC:
10378 case NL80211_IFTYPE_P2P_CLIENT:
10379 case NL80211_IFTYPE_AP:
10380 case NL80211_IFTYPE_AP_VLAN:
10381 case NL80211_IFTYPE_MESH_POINT:
10382 case NL80211_IFTYPE_P2P_GO:
10384 case NL80211_IFTYPE_NAN:
10386 return -EOPNOTSUPP;
10389 if (info->attrs[NL80211_ATTR_DURATION]) {
10390 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10392 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10395 * We should wait on the channel for at least a minimum amount
10396 * of time (10ms) but no longer than the driver supports.
10398 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10399 params.wait > rdev->wiphy.max_remain_on_channel_duration)
10403 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
10405 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10408 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
10410 /* get the channel if any has been specified, otherwise pass NULL to
10411 * the driver. The latter will use the current one
10413 chandef.chan = NULL;
10414 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10415 err = nl80211_parse_chandef(rdev, info, &chandef);
10420 if (!chandef.chan && params.offchan)
10424 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
10430 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
10431 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
10433 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
10434 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10437 if (len % sizeof(u16))
10440 params.n_csa_offsets = len / sizeof(u16);
10441 params.csa_offsets =
10442 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10444 /* check that all the offsets fit the frame */
10445 for (i = 0; i < params.n_csa_offsets; i++) {
10446 if (params.csa_offsets[i] >= params.len)
10451 if (!params.dont_wait_for_ack) {
10452 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10456 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10457 NL80211_CMD_FRAME);
10464 params.chan = chandef.chan;
10465 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
10470 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10472 goto nla_put_failure;
10474 genlmsg_end(msg, hdr);
10475 return genlmsg_reply(msg, info);
10487 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
10489 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10490 struct wireless_dev *wdev = info->user_ptr[1];
10493 if (!info->attrs[NL80211_ATTR_COOKIE])
10496 if (!rdev->ops->mgmt_tx_cancel_wait)
10497 return -EOPNOTSUPP;
10499 switch (wdev->iftype) {
10500 case NL80211_IFTYPE_STATION:
10501 case NL80211_IFTYPE_ADHOC:
10502 case NL80211_IFTYPE_P2P_CLIENT:
10503 case NL80211_IFTYPE_AP:
10504 case NL80211_IFTYPE_AP_VLAN:
10505 case NL80211_IFTYPE_P2P_GO:
10506 case NL80211_IFTYPE_P2P_DEVICE:
10508 case NL80211_IFTYPE_NAN:
10510 return -EOPNOTSUPP;
10513 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10515 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
10518 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
10520 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10521 struct wireless_dev *wdev;
10522 struct net_device *dev = info->user_ptr[1];
10527 if (!info->attrs[NL80211_ATTR_PS_STATE])
10530 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
10532 wdev = dev->ieee80211_ptr;
10534 if (!rdev->ops->set_power_mgmt)
10535 return -EOPNOTSUPP;
10537 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
10539 if (state == wdev->ps)
10542 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
10548 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
10550 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10551 enum nl80211_ps_state ps_state;
10552 struct wireless_dev *wdev;
10553 struct net_device *dev = info->user_ptr[1];
10554 struct sk_buff *msg;
10558 wdev = dev->ieee80211_ptr;
10560 if (!rdev->ops->set_power_mgmt)
10561 return -EOPNOTSUPP;
10563 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10567 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10568 NL80211_CMD_GET_POWER_SAVE);
10575 ps_state = NL80211_PS_ENABLED;
10577 ps_state = NL80211_PS_DISABLED;
10579 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
10580 goto nla_put_failure;
10582 genlmsg_end(msg, hdr);
10583 return genlmsg_reply(msg, info);
10592 static const struct nla_policy
10593 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
10594 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
10595 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
10596 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
10597 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
10598 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
10599 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
10600 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
10603 static int nl80211_set_cqm_txe(struct genl_info *info,
10604 u32 rate, u32 pkts, u32 intvl)
10606 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10607 struct net_device *dev = info->user_ptr[1];
10608 struct wireless_dev *wdev = dev->ieee80211_ptr;
10610 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
10613 if (!rdev->ops->set_cqm_txe_config)
10614 return -EOPNOTSUPP;
10616 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10617 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10618 return -EOPNOTSUPP;
10620 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
10623 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
10624 struct net_device *dev)
10626 struct wireless_dev *wdev = dev->ieee80211_ptr;
10627 s32 last, low, high;
10629 int i, n, low_index;
10632 /* RSSI reporting disabled? */
10633 if (!wdev->cqm_config)
10634 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
10637 * Obtain current RSSI value if possible, if not and no RSSI threshold
10638 * event has been received yet, we should receive an event after a
10639 * connection is established and enough beacons received to calculate
10642 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
10643 rdev->ops->get_station) {
10644 struct station_info sinfo = {};
10647 mac_addr = wdev->current_bss->pub.bssid;
10649 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
10653 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
10654 wdev->cqm_config->last_rssi_event_value =
10655 (s8) sinfo.rx_beacon_signal_avg;
10658 last = wdev->cqm_config->last_rssi_event_value;
10659 hyst = wdev->cqm_config->rssi_hyst;
10660 n = wdev->cqm_config->n_rssi_thresholds;
10662 for (i = 0; i < n; i++)
10663 if (last < wdev->cqm_config->rssi_thresholds[i])
10667 if (low_index >= 0) {
10668 low_index = array_index_nospec(low_index, n);
10669 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
10674 i = array_index_nospec(i, n);
10675 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
10680 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
10683 static int nl80211_set_cqm_rssi(struct genl_info *info,
10684 const s32 *thresholds, int n_thresholds,
10687 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10688 struct net_device *dev = info->user_ptr[1];
10689 struct wireless_dev *wdev = dev->ieee80211_ptr;
10691 s32 prev = S32_MIN;
10693 /* Check all values negative and sorted */
10694 for (i = 0; i < n_thresholds; i++) {
10695 if (thresholds[i] > 0 || thresholds[i] <= prev)
10698 prev = thresholds[i];
10701 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10702 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10703 return -EOPNOTSUPP;
10706 cfg80211_cqm_config_free(wdev);
10709 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
10710 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
10711 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
10713 return rdev_set_cqm_rssi_config(rdev, dev,
10714 thresholds[0], hysteresis);
10717 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10718 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
10719 return -EOPNOTSUPP;
10721 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
10725 if (n_thresholds) {
10726 struct cfg80211_cqm_config *cqm_config;
10728 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
10729 n_thresholds * sizeof(s32), GFP_KERNEL);
10735 cqm_config->rssi_hyst = hysteresis;
10736 cqm_config->n_rssi_thresholds = n_thresholds;
10737 memcpy(cqm_config->rssi_thresholds, thresholds,
10738 n_thresholds * sizeof(s32));
10740 wdev->cqm_config = cqm_config;
10743 err = cfg80211_cqm_rssi_update(rdev, dev);
10751 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
10753 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
10754 struct nlattr *cqm;
10757 cqm = info->attrs[NL80211_ATTR_CQM];
10761 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
10762 nl80211_attr_cqm_policy,
10767 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
10768 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
10769 const s32 *thresholds =
10770 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10771 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10772 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
10777 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
10781 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
10782 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
10783 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
10784 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
10785 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
10786 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
10788 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
10794 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
10796 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10797 struct net_device *dev = info->user_ptr[1];
10798 struct ocb_setup setup = {};
10801 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10805 return cfg80211_join_ocb(rdev, dev, &setup);
10808 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
10810 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10811 struct net_device *dev = info->user_ptr[1];
10813 return cfg80211_leave_ocb(rdev, dev);
10816 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
10818 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10819 struct net_device *dev = info->user_ptr[1];
10820 struct mesh_config cfg;
10821 struct mesh_setup setup;
10824 /* start with default */
10825 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
10826 memcpy(&setup, &default_mesh_setup, sizeof(setup));
10828 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
10829 /* and parse parameters if given */
10830 err = nl80211_parse_mesh_config(info, &cfg, NULL);
10835 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
10836 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
10839 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
10840 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
10842 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10843 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
10844 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10847 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
10848 setup.beacon_interval =
10849 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10851 err = cfg80211_validate_beacon_int(rdev,
10852 NL80211_IFTYPE_MESH_POINT,
10853 setup.beacon_interval);
10858 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
10859 setup.dtim_period =
10860 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
10861 if (setup.dtim_period < 1 || setup.dtim_period > 100)
10865 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
10866 /* parse additional setup parameters if given */
10867 err = nl80211_parse_mesh_setup(info, &setup);
10872 if (setup.user_mpm)
10873 cfg.auto_open_plinks = false;
10875 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10876 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10880 /* __cfg80211_join_mesh() will sort it out */
10881 setup.chandef.chan = NULL;
10884 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10885 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10887 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10888 struct ieee80211_supported_band *sband;
10890 if (!setup.chandef.chan)
10893 sband = rdev->wiphy.bands[setup.chandef.chan->band];
10895 err = ieee80211_get_ratemask(sband, rates, n_rates,
10896 &setup.basic_rates);
10901 if (info->attrs[NL80211_ATTR_TX_RATES]) {
10902 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
10906 if (!setup.chandef.chan)
10909 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
10910 &setup.beacon_rate);
10915 setup.userspace_handles_dfs =
10916 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10918 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10919 int r = validate_pae_over_nl80211(rdev, info);
10924 setup.control_port_over_nl80211 = true;
10927 wdev_lock(dev->ieee80211_ptr);
10928 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
10929 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
10930 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10931 wdev_unlock(dev->ieee80211_ptr);
10936 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
10938 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10939 struct net_device *dev = info->user_ptr[1];
10941 return cfg80211_leave_mesh(rdev, dev);
10945 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
10946 struct cfg80211_registered_device *rdev)
10948 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
10949 struct nlattr *nl_pats, *nl_pat;
10952 if (!wowlan->n_patterns)
10955 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
10959 for (i = 0; i < wowlan->n_patterns; i++) {
10960 nl_pat = nla_nest_start_noflag(msg, i + 1);
10963 pat_len = wowlan->patterns[i].pattern_len;
10964 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
10965 wowlan->patterns[i].mask) ||
10966 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
10967 wowlan->patterns[i].pattern) ||
10968 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
10969 wowlan->patterns[i].pkt_offset))
10971 nla_nest_end(msg, nl_pat);
10973 nla_nest_end(msg, nl_pats);
10978 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
10979 struct cfg80211_wowlan_tcp *tcp)
10981 struct nlattr *nl_tcp;
10986 nl_tcp = nla_nest_start_noflag(msg,
10987 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
10991 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
10992 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
10993 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
10994 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
10995 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
10996 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
10997 tcp->payload_len, tcp->payload) ||
10998 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
10999 tcp->data_interval) ||
11000 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
11001 tcp->wake_len, tcp->wake_data) ||
11002 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
11003 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
11006 if (tcp->payload_seq.len &&
11007 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
11008 sizeof(tcp->payload_seq), &tcp->payload_seq))
11011 if (tcp->payload_tok.len &&
11012 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
11013 sizeof(tcp->payload_tok) + tcp->tokens_size,
11014 &tcp->payload_tok))
11017 nla_nest_end(msg, nl_tcp);
11022 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
11023 struct cfg80211_sched_scan_request *req)
11025 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
11031 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
11035 if (req->n_scan_plans == 1 &&
11036 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
11037 req->scan_plans[0].interval * 1000))
11040 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
11043 if (req->relative_rssi_set) {
11044 struct nl80211_bss_select_rssi_adjust rssi_adjust;
11046 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
11047 req->relative_rssi))
11050 rssi_adjust.band = req->rssi_adjust.band;
11051 rssi_adjust.delta = req->rssi_adjust.delta;
11052 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
11053 sizeof(rssi_adjust), &rssi_adjust))
11057 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
11061 for (i = 0; i < req->n_channels; i++) {
11062 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
11066 nla_nest_end(msg, freqs);
11068 if (req->n_match_sets) {
11069 matches = nla_nest_start_noflag(msg,
11070 NL80211_ATTR_SCHED_SCAN_MATCH);
11074 for (i = 0; i < req->n_match_sets; i++) {
11075 match = nla_nest_start_noflag(msg, i);
11079 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11080 req->match_sets[i].ssid.ssid_len,
11081 req->match_sets[i].ssid.ssid))
11083 nla_nest_end(msg, match);
11085 nla_nest_end(msg, matches);
11088 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
11092 for (i = 0; i < req->n_scan_plans; i++) {
11093 scan_plan = nla_nest_start_noflag(msg, i + 1);
11097 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
11098 req->scan_plans[i].interval) ||
11099 (req->scan_plans[i].iterations &&
11100 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11101 req->scan_plans[i].iterations)))
11103 nla_nest_end(msg, scan_plan);
11105 nla_nest_end(msg, scan_plans);
11107 nla_nest_end(msg, nd);
11112 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11114 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11115 struct sk_buff *msg;
11117 u32 size = NLMSG_DEFAULT_SIZE;
11119 if (!rdev->wiphy.wowlan)
11120 return -EOPNOTSUPP;
11122 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
11123 /* adjust size to have room for all the data */
11124 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11125 rdev->wiphy.wowlan_config->tcp->payload_len +
11126 rdev->wiphy.wowlan_config->tcp->wake_len +
11127 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
11130 msg = nlmsg_new(size, GFP_KERNEL);
11134 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11135 NL80211_CMD_GET_WOWLAN);
11137 goto nla_put_failure;
11139 if (rdev->wiphy.wowlan_config) {
11140 struct nlattr *nl_wowlan;
11142 nl_wowlan = nla_nest_start_noflag(msg,
11143 NL80211_ATTR_WOWLAN_TRIGGERS);
11145 goto nla_put_failure;
11147 if ((rdev->wiphy.wowlan_config->any &&
11148 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
11149 (rdev->wiphy.wowlan_config->disconnect &&
11150 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
11151 (rdev->wiphy.wowlan_config->magic_pkt &&
11152 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
11153 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
11154 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
11155 (rdev->wiphy.wowlan_config->eap_identity_req &&
11156 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
11157 (rdev->wiphy.wowlan_config->four_way_handshake &&
11158 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
11159 (rdev->wiphy.wowlan_config->rfkill_release &&
11160 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11161 goto nla_put_failure;
11163 if (nl80211_send_wowlan_patterns(msg, rdev))
11164 goto nla_put_failure;
11166 if (nl80211_send_wowlan_tcp(msg,
11167 rdev->wiphy.wowlan_config->tcp))
11168 goto nla_put_failure;
11170 if (nl80211_send_wowlan_nd(
11172 rdev->wiphy.wowlan_config->nd_config))
11173 goto nla_put_failure;
11175 nla_nest_end(msg, nl_wowlan);
11178 genlmsg_end(msg, hdr);
11179 return genlmsg_reply(msg, info);
11186 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
11187 struct nlattr *attr,
11188 struct cfg80211_wowlan *trig)
11190 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
11191 struct cfg80211_wowlan_tcp *cfg;
11192 struct nl80211_wowlan_tcp_data_token *tok = NULL;
11193 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
11195 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
11198 if (!rdev->wiphy.wowlan->tcp)
11201 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
11202 nl80211_wowlan_tcp_policy, NULL);
11206 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
11207 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
11208 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
11209 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
11210 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
11211 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
11212 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
11213 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
11216 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
11217 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
11220 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
11221 rdev->wiphy.wowlan->tcp->data_interval_max ||
11222 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
11225 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
11226 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
11229 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
11230 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
11233 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
11234 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11236 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11237 tokens_size = tokln - sizeof(*tok);
11239 if (!tok->len || tokens_size % tok->len)
11241 if (!rdev->wiphy.wowlan->tcp->tok)
11243 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
11245 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
11247 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
11249 if (tok->offset + tok->len > data_size)
11253 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
11254 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
11255 if (!rdev->wiphy.wowlan->tcp->seq)
11257 if (seq->len == 0 || seq->len > 4)
11259 if (seq->len + seq->offset > data_size)
11263 size = sizeof(*cfg);
11265 size += wake_size + wake_mask_size;
11266 size += tokens_size;
11268 cfg = kzalloc(size, GFP_KERNEL);
11271 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
11272 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
11273 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
11275 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
11276 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
11280 /* allocate a socket and port for it and use it */
11281 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
11282 IPPROTO_TCP, &cfg->sock, 1);
11287 if (inet_csk_get_port(cfg->sock->sk, port)) {
11288 sock_release(cfg->sock);
11290 return -EADDRINUSE;
11292 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
11298 cfg->src_port = port;
11301 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
11302 cfg->payload_len = data_size;
11303 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
11304 memcpy((void *)cfg->payload,
11305 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
11308 cfg->payload_seq = *seq;
11309 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
11310 cfg->wake_len = wake_size;
11311 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
11312 memcpy((void *)cfg->wake_data,
11313 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
11315 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
11316 data_size + wake_size;
11317 memcpy((void *)cfg->wake_mask,
11318 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
11321 cfg->tokens_size = tokens_size;
11322 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
11330 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
11331 const struct wiphy_wowlan_support *wowlan,
11332 struct nlattr *attr,
11333 struct cfg80211_wowlan *trig)
11335 struct nlattr **tb;
11338 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
11342 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
11347 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
11348 nl80211_policy, NULL);
11352 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
11353 wowlan->max_nd_match_sets);
11354 err = PTR_ERR_OR_ZERO(trig->nd_config);
11356 trig->nd_config = NULL;
11363 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
11365 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11366 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
11367 struct cfg80211_wowlan new_triggers = {};
11368 struct cfg80211_wowlan *ntrig;
11369 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
11371 bool prev_enabled = rdev->wiphy.wowlan_config;
11372 bool regular = false;
11375 return -EOPNOTSUPP;
11377 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
11378 cfg80211_rdev_free_wowlan(rdev);
11379 rdev->wiphy.wowlan_config = NULL;
11383 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
11384 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
11385 nl80211_wowlan_policy, info->extack);
11389 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
11390 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
11392 new_triggers.any = true;
11395 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
11396 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
11398 new_triggers.disconnect = true;
11402 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
11403 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
11405 new_triggers.magic_pkt = true;
11409 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
11412 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
11413 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
11415 new_triggers.gtk_rekey_failure = true;
11419 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
11420 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
11422 new_triggers.eap_identity_req = true;
11426 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
11427 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
11429 new_triggers.four_way_handshake = true;
11433 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
11434 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
11436 new_triggers.rfkill_release = true;
11440 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
11441 struct nlattr *pat;
11442 int n_patterns = 0;
11443 int rem, pat_len, mask_len, pkt_offset;
11444 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11448 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11451 if (n_patterns > wowlan->n_patterns)
11454 new_triggers.patterns = kcalloc(n_patterns,
11455 sizeof(new_triggers.patterns[0]),
11457 if (!new_triggers.patterns)
11460 new_triggers.n_patterns = n_patterns;
11463 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11467 err = nla_parse_nested_deprecated(pat_tb,
11468 MAX_NL80211_PKTPAT,
11470 nl80211_packet_pattern_policy,
11476 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11477 !pat_tb[NL80211_PKTPAT_PATTERN])
11479 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11480 mask_len = DIV_ROUND_UP(pat_len, 8);
11481 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11483 if (pat_len > wowlan->pattern_max_len ||
11484 pat_len < wowlan->pattern_min_len)
11487 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11490 pkt_offset = nla_get_u32(
11491 pat_tb[NL80211_PKTPAT_OFFSET]);
11492 if (pkt_offset > wowlan->max_pkt_offset)
11494 new_triggers.patterns[i].pkt_offset = pkt_offset;
11496 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11501 new_triggers.patterns[i].mask = mask_pat;
11502 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11504 mask_pat += mask_len;
11505 new_triggers.patterns[i].pattern = mask_pat;
11506 new_triggers.patterns[i].pattern_len = pat_len;
11508 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11514 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
11516 err = nl80211_parse_wowlan_tcp(
11517 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
11523 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
11525 err = nl80211_parse_wowlan_nd(
11526 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
11532 /* The 'any' trigger means the device continues operating more or less
11533 * as in its normal operation mode and wakes up the host on most of the
11534 * normal interrupts (like packet RX, ...)
11535 * It therefore makes little sense to combine with the more constrained
11536 * wakeup trigger modes.
11538 if (new_triggers.any && regular) {
11543 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
11548 cfg80211_rdev_free_wowlan(rdev);
11549 rdev->wiphy.wowlan_config = ntrig;
11552 if (rdev->ops->set_wakeup &&
11553 prev_enabled != !!rdev->wiphy.wowlan_config)
11554 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
11558 for (i = 0; i < new_triggers.n_patterns; i++)
11559 kfree(new_triggers.patterns[i].mask);
11560 kfree(new_triggers.patterns);
11561 if (new_triggers.tcp && new_triggers.tcp->sock)
11562 sock_release(new_triggers.tcp->sock);
11563 kfree(new_triggers.tcp);
11564 kfree(new_triggers.nd_config);
11569 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
11570 struct cfg80211_registered_device *rdev)
11572 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
11574 struct cfg80211_coalesce_rules *rule;
11576 if (!rdev->coalesce->n_rules)
11579 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
11583 for (i = 0; i < rdev->coalesce->n_rules; i++) {
11584 nl_rule = nla_nest_start_noflag(msg, i + 1);
11588 rule = &rdev->coalesce->rules[i];
11589 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
11593 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
11597 nl_pats = nla_nest_start_noflag(msg,
11598 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
11602 for (j = 0; j < rule->n_patterns; j++) {
11603 nl_pat = nla_nest_start_noflag(msg, j + 1);
11606 pat_len = rule->patterns[j].pattern_len;
11607 if (nla_put(msg, NL80211_PKTPAT_MASK,
11608 DIV_ROUND_UP(pat_len, 8),
11609 rule->patterns[j].mask) ||
11610 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11611 rule->patterns[j].pattern) ||
11612 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11613 rule->patterns[j].pkt_offset))
11615 nla_nest_end(msg, nl_pat);
11617 nla_nest_end(msg, nl_pats);
11618 nla_nest_end(msg, nl_rule);
11620 nla_nest_end(msg, nl_rules);
11625 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
11627 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11628 struct sk_buff *msg;
11631 if (!rdev->wiphy.coalesce)
11632 return -EOPNOTSUPP;
11634 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11638 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11639 NL80211_CMD_GET_COALESCE);
11641 goto nla_put_failure;
11643 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
11644 goto nla_put_failure;
11646 genlmsg_end(msg, hdr);
11647 return genlmsg_reply(msg, info);
11654 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
11656 struct cfg80211_coalesce *coalesce = rdev->coalesce;
11658 struct cfg80211_coalesce_rules *rule;
11663 for (i = 0; i < coalesce->n_rules; i++) {
11664 rule = &coalesce->rules[i];
11665 for (j = 0; j < rule->n_patterns; j++)
11666 kfree(rule->patterns[j].mask);
11667 kfree(rule->patterns);
11669 kfree(coalesce->rules);
11671 rdev->coalesce = NULL;
11674 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
11675 struct nlattr *rule,
11676 struct cfg80211_coalesce_rules *new_rule)
11679 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11680 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
11681 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
11682 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11684 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
11685 rule, nl80211_coalesce_policy, NULL);
11689 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
11691 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
11692 if (new_rule->delay > coalesce->max_delay)
11695 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
11696 new_rule->condition =
11697 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
11699 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
11702 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11705 if (n_patterns > coalesce->n_patterns)
11708 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
11710 if (!new_rule->patterns)
11713 new_rule->n_patterns = n_patterns;
11716 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11720 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
11722 nl80211_packet_pattern_policy,
11727 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11728 !pat_tb[NL80211_PKTPAT_PATTERN])
11730 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11731 mask_len = DIV_ROUND_UP(pat_len, 8);
11732 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11734 if (pat_len > coalesce->pattern_max_len ||
11735 pat_len < coalesce->pattern_min_len)
11738 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11741 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
11742 if (pkt_offset > coalesce->max_pkt_offset)
11744 new_rule->patterns[i].pkt_offset = pkt_offset;
11746 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11750 new_rule->patterns[i].mask = mask_pat;
11751 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11754 mask_pat += mask_len;
11755 new_rule->patterns[i].pattern = mask_pat;
11756 new_rule->patterns[i].pattern_len = pat_len;
11757 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11765 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
11767 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11768 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11769 struct cfg80211_coalesce new_coalesce = {};
11770 struct cfg80211_coalesce *n_coalesce;
11771 int err, rem_rule, n_rules = 0, i, j;
11772 struct nlattr *rule;
11773 struct cfg80211_coalesce_rules *tmp_rule;
11775 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
11776 return -EOPNOTSUPP;
11778 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
11779 cfg80211_rdev_free_coalesce(rdev);
11780 rdev_set_coalesce(rdev, NULL);
11784 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11787 if (n_rules > coalesce->n_rules)
11790 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
11792 if (!new_coalesce.rules)
11795 new_coalesce.n_rules = n_rules;
11798 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11800 err = nl80211_parse_coalesce_rule(rdev, rule,
11801 &new_coalesce.rules[i]);
11808 err = rdev_set_coalesce(rdev, &new_coalesce);
11812 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
11817 cfg80211_rdev_free_coalesce(rdev);
11818 rdev->coalesce = n_coalesce;
11822 for (i = 0; i < new_coalesce.n_rules; i++) {
11823 tmp_rule = &new_coalesce.rules[i];
11824 for (j = 0; j < tmp_rule->n_patterns; j++)
11825 kfree(tmp_rule->patterns[j].mask);
11826 kfree(tmp_rule->patterns);
11828 kfree(new_coalesce.rules);
11833 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
11835 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11836 struct net_device *dev = info->user_ptr[1];
11837 struct wireless_dev *wdev = dev->ieee80211_ptr;
11838 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
11839 struct cfg80211_gtk_rekey_data rekey_data;
11842 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
11845 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
11846 info->attrs[NL80211_ATTR_REKEY_DATA],
11847 nl80211_rekey_policy, info->extack);
11851 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
11852 !tb[NL80211_REKEY_DATA_KCK])
11854 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
11856 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
11858 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
11861 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
11862 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
11863 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
11866 if (!wdev->current_bss) {
11871 if (!rdev->ops->set_rekey_data) {
11876 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
11882 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
11883 struct genl_info *info)
11885 struct net_device *dev = info->user_ptr[1];
11886 struct wireless_dev *wdev = dev->ieee80211_ptr;
11888 if (wdev->iftype != NL80211_IFTYPE_AP &&
11889 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11892 if (wdev->ap_unexpected_nlportid)
11895 wdev->ap_unexpected_nlportid = info->snd_portid;
11899 static int nl80211_probe_client(struct sk_buff *skb,
11900 struct genl_info *info)
11902 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11903 struct net_device *dev = info->user_ptr[1];
11904 struct wireless_dev *wdev = dev->ieee80211_ptr;
11905 struct sk_buff *msg;
11911 if (wdev->iftype != NL80211_IFTYPE_AP &&
11912 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11913 return -EOPNOTSUPP;
11915 if (!info->attrs[NL80211_ATTR_MAC])
11918 if (!rdev->ops->probe_client)
11919 return -EOPNOTSUPP;
11921 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11925 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11926 NL80211_CMD_PROBE_CLIENT);
11932 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
11934 err = rdev_probe_client(rdev, dev, addr, &cookie);
11938 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11940 goto nla_put_failure;
11942 genlmsg_end(msg, hdr);
11944 return genlmsg_reply(msg, info);
11953 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
11955 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11956 struct cfg80211_beacon_registration *reg, *nreg;
11959 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
11960 return -EOPNOTSUPP;
11962 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
11966 /* First, check if already registered. */
11967 spin_lock_bh(&rdev->beacon_registrations_lock);
11968 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
11969 if (reg->nlportid == info->snd_portid) {
11974 /* Add it to the list */
11975 nreg->nlportid = info->snd_portid;
11976 list_add(&nreg->list, &rdev->beacon_registrations);
11978 spin_unlock_bh(&rdev->beacon_registrations_lock);
11982 spin_unlock_bh(&rdev->beacon_registrations_lock);
11987 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
11989 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11990 struct wireless_dev *wdev = info->user_ptr[1];
11993 if (!rdev->ops->start_p2p_device)
11994 return -EOPNOTSUPP;
11996 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11997 return -EOPNOTSUPP;
11999 if (wdev_running(wdev))
12002 if (rfkill_blocked(rdev->rfkill))
12005 err = rdev_start_p2p_device(rdev, wdev);
12009 wdev->is_running = true;
12015 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
12017 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12018 struct wireless_dev *wdev = info->user_ptr[1];
12020 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12021 return -EOPNOTSUPP;
12023 if (!rdev->ops->stop_p2p_device)
12024 return -EOPNOTSUPP;
12026 cfg80211_stop_p2p_device(rdev, wdev);
12031 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
12033 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12034 struct wireless_dev *wdev = info->user_ptr[1];
12035 struct cfg80211_nan_conf conf = {};
12038 if (wdev->iftype != NL80211_IFTYPE_NAN)
12039 return -EOPNOTSUPP;
12041 if (wdev_running(wdev))
12044 if (rfkill_blocked(rdev->rfkill))
12047 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
12051 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12053 if (info->attrs[NL80211_ATTR_BANDS]) {
12054 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12056 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12057 return -EOPNOTSUPP;
12059 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12062 conf.bands = bands;
12065 err = rdev_start_nan(rdev, wdev, &conf);
12069 wdev->is_running = true;
12075 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12077 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12078 struct wireless_dev *wdev = info->user_ptr[1];
12080 if (wdev->iftype != NL80211_IFTYPE_NAN)
12081 return -EOPNOTSUPP;
12083 cfg80211_stop_nan(rdev, wdev);
12088 static int validate_nan_filter(struct nlattr *filter_attr)
12090 struct nlattr *attr;
12091 int len = 0, n_entries = 0, rem;
12093 nla_for_each_nested(attr, filter_attr, rem) {
12094 len += nla_len(attr);
12104 static int handle_nan_filter(struct nlattr *attr_filter,
12105 struct cfg80211_nan_func *func,
12108 struct nlattr *attr;
12109 int n_entries, rem, i;
12110 struct cfg80211_nan_func_filter *filter;
12112 n_entries = validate_nan_filter(attr_filter);
12116 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12118 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12123 nla_for_each_nested(attr, attr_filter, rem) {
12124 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
12125 filter[i].len = nla_len(attr);
12129 func->num_tx_filters = n_entries;
12130 func->tx_filters = filter;
12132 func->num_rx_filters = n_entries;
12133 func->rx_filters = filter;
12139 static int nl80211_nan_add_func(struct sk_buff *skb,
12140 struct genl_info *info)
12142 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12143 struct wireless_dev *wdev = info->user_ptr[1];
12144 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12145 struct cfg80211_nan_func *func;
12146 struct sk_buff *msg = NULL;
12150 if (wdev->iftype != NL80211_IFTYPE_NAN)
12151 return -EOPNOTSUPP;
12153 if (!wdev_running(wdev))
12156 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
12159 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
12160 info->attrs[NL80211_ATTR_NAN_FUNC],
12161 nl80211_nan_func_policy,
12166 func = kzalloc(sizeof(*func), GFP_KERNEL);
12170 func->cookie = cfg80211_assign_cookie(rdev);
12172 if (!tb[NL80211_NAN_FUNC_TYPE] ||
12173 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
12179 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
12181 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
12186 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
12187 sizeof(func->service_id));
12189 func->close_range =
12190 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
12192 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
12193 func->serv_spec_info_len =
12194 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
12195 func->serv_spec_info =
12196 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
12197 func->serv_spec_info_len,
12199 if (!func->serv_spec_info) {
12205 if (tb[NL80211_NAN_FUNC_TTL])
12206 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
12208 switch (func->type) {
12209 case NL80211_NAN_FUNC_PUBLISH:
12210 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
12215 func->publish_type =
12216 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
12217 func->publish_bcast =
12218 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
12220 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
12221 func->publish_bcast) {
12226 case NL80211_NAN_FUNC_SUBSCRIBE:
12227 func->subscribe_active =
12228 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
12230 case NL80211_NAN_FUNC_FOLLOW_UP:
12231 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
12232 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
12233 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
12238 func->followup_id =
12239 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
12240 func->followup_reqid =
12241 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
12242 memcpy(func->followup_dest.addr,
12243 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
12244 sizeof(func->followup_dest.addr));
12255 if (tb[NL80211_NAN_FUNC_SRF]) {
12256 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
12258 err = nla_parse_nested_deprecated(srf_tb,
12259 NL80211_NAN_SRF_ATTR_MAX,
12260 tb[NL80211_NAN_FUNC_SRF],
12261 nl80211_nan_srf_policy,
12266 func->srf_include =
12267 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
12269 if (srf_tb[NL80211_NAN_SRF_BF]) {
12270 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
12271 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
12277 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
12279 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
12280 func->srf_bf_len, GFP_KERNEL);
12281 if (!func->srf_bf) {
12287 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
12289 struct nlattr *attr, *mac_attr =
12290 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
12291 int n_entries, rem, i = 0;
12298 n_entries = validate_acl_mac_addrs(mac_attr);
12299 if (n_entries <= 0) {
12304 func->srf_num_macs = n_entries;
12306 kcalloc(n_entries, sizeof(*func->srf_macs),
12308 if (!func->srf_macs) {
12313 nla_for_each_nested(attr, mac_attr, rem)
12314 memcpy(func->srf_macs[i++].addr, nla_data(attr),
12315 sizeof(*func->srf_macs));
12319 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
12320 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
12326 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
12327 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
12333 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12339 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12340 NL80211_CMD_ADD_NAN_FUNCTION);
12341 /* This can't really happen - we just allocated 4KB */
12342 if (WARN_ON(!hdr)) {
12347 err = rdev_add_nan_func(rdev, wdev, func);
12350 cfg80211_free_nan_func(func);
12355 /* propagate the instance id and cookie to userspace */
12356 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
12358 goto nla_put_failure;
12360 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12362 goto nla_put_failure;
12364 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
12365 func->instance_id))
12366 goto nla_put_failure;
12368 nla_nest_end(msg, func_attr);
12370 genlmsg_end(msg, hdr);
12371 return genlmsg_reply(msg, info);
12378 static int nl80211_nan_del_func(struct sk_buff *skb,
12379 struct genl_info *info)
12381 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12382 struct wireless_dev *wdev = info->user_ptr[1];
12385 if (wdev->iftype != NL80211_IFTYPE_NAN)
12386 return -EOPNOTSUPP;
12388 if (!wdev_running(wdev))
12391 if (!info->attrs[NL80211_ATTR_COOKIE])
12394 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12396 rdev_del_nan_func(rdev, wdev, cookie);
12401 static int nl80211_nan_change_config(struct sk_buff *skb,
12402 struct genl_info *info)
12404 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12405 struct wireless_dev *wdev = info->user_ptr[1];
12406 struct cfg80211_nan_conf conf = {};
12409 if (wdev->iftype != NL80211_IFTYPE_NAN)
12410 return -EOPNOTSUPP;
12412 if (!wdev_running(wdev))
12415 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
12417 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12418 if (conf.master_pref <= 1 || conf.master_pref == 255)
12421 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
12424 if (info->attrs[NL80211_ATTR_BANDS]) {
12425 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12427 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12428 return -EOPNOTSUPP;
12430 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12433 conf.bands = bands;
12434 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
12440 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
12443 void cfg80211_nan_match(struct wireless_dev *wdev,
12444 struct cfg80211_nan_match_params *match, gfp_t gfp)
12446 struct wiphy *wiphy = wdev->wiphy;
12447 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12448 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
12449 struct sk_buff *msg;
12452 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
12455 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12459 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
12465 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12466 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12467 wdev->netdev->ifindex)) ||
12468 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12470 goto nla_put_failure;
12472 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
12473 NL80211_ATTR_PAD) ||
12474 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
12475 goto nla_put_failure;
12477 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
12479 goto nla_put_failure;
12481 local_func_attr = nla_nest_start_noflag(msg,
12482 NL80211_NAN_MATCH_FUNC_LOCAL);
12483 if (!local_func_attr)
12484 goto nla_put_failure;
12486 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
12487 goto nla_put_failure;
12489 nla_nest_end(msg, local_func_attr);
12491 peer_func_attr = nla_nest_start_noflag(msg,
12492 NL80211_NAN_MATCH_FUNC_PEER);
12493 if (!peer_func_attr)
12494 goto nla_put_failure;
12496 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
12497 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
12498 goto nla_put_failure;
12500 if (match->info && match->info_len &&
12501 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
12503 goto nla_put_failure;
12505 nla_nest_end(msg, peer_func_attr);
12506 nla_nest_end(msg, match_attr);
12507 genlmsg_end(msg, hdr);
12509 if (!wdev->owner_nlportid)
12510 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12511 msg, 0, NL80211_MCGRP_NAN, gfp);
12513 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12514 wdev->owner_nlportid);
12521 EXPORT_SYMBOL(cfg80211_nan_match);
12523 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
12525 enum nl80211_nan_func_term_reason reason,
12526 u64 cookie, gfp_t gfp)
12528 struct wiphy *wiphy = wdev->wiphy;
12529 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12530 struct sk_buff *msg;
12531 struct nlattr *func_attr;
12534 if (WARN_ON(!inst_id))
12537 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12541 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
12547 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12548 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12549 wdev->netdev->ifindex)) ||
12550 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12552 goto nla_put_failure;
12554 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12556 goto nla_put_failure;
12558 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12560 goto nla_put_failure;
12562 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
12563 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
12564 goto nla_put_failure;
12566 nla_nest_end(msg, func_attr);
12567 genlmsg_end(msg, hdr);
12569 if (!wdev->owner_nlportid)
12570 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12571 msg, 0, NL80211_MCGRP_NAN, gfp);
12573 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12574 wdev->owner_nlportid);
12581 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
12583 static int nl80211_get_protocol_features(struct sk_buff *skb,
12584 struct genl_info *info)
12587 struct sk_buff *msg;
12589 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12593 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12594 NL80211_CMD_GET_PROTOCOL_FEATURES);
12596 goto nla_put_failure;
12598 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
12599 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
12600 goto nla_put_failure;
12602 genlmsg_end(msg, hdr);
12603 return genlmsg_reply(msg, info);
12610 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
12612 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12613 struct cfg80211_update_ft_ies_params ft_params;
12614 struct net_device *dev = info->user_ptr[1];
12616 if (!rdev->ops->update_ft_ies)
12617 return -EOPNOTSUPP;
12619 if (!info->attrs[NL80211_ATTR_MDID] ||
12620 !info->attrs[NL80211_ATTR_IE])
12623 memset(&ft_params, 0, sizeof(ft_params));
12624 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
12625 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12626 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12628 return rdev_update_ft_ies(rdev, dev, &ft_params);
12631 static int nl80211_crit_protocol_start(struct sk_buff *skb,
12632 struct genl_info *info)
12634 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12635 struct wireless_dev *wdev = info->user_ptr[1];
12636 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
12640 if (!rdev->ops->crit_proto_start)
12641 return -EOPNOTSUPP;
12643 if (WARN_ON(!rdev->ops->crit_proto_stop))
12646 if (rdev->crit_proto_nlportid)
12649 /* determine protocol if provided */
12650 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
12651 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
12653 if (proto >= NUM_NL80211_CRIT_PROTO)
12656 /* timeout must be provided */
12657 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
12661 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
12663 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
12666 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
12668 rdev->crit_proto_nlportid = info->snd_portid;
12673 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
12674 struct genl_info *info)
12676 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12677 struct wireless_dev *wdev = info->user_ptr[1];
12679 if (!rdev->ops->crit_proto_stop)
12680 return -EOPNOTSUPP;
12682 if (rdev->crit_proto_nlportid) {
12683 rdev->crit_proto_nlportid = 0;
12684 rdev_crit_proto_stop(rdev, wdev);
12689 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
12690 struct nlattr *attr,
12691 struct netlink_ext_ack *extack)
12693 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
12694 if (attr->nla_type & NLA_F_NESTED) {
12695 NL_SET_ERR_MSG_ATTR(extack, attr,
12696 "unexpected nested data");
12703 if (!(attr->nla_type & NLA_F_NESTED)) {
12704 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
12708 return nl80211_validate_nested(attr, vcmd->maxattr, vcmd->policy,
12712 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
12714 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12715 struct wireless_dev *wdev =
12716 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
12720 if (!rdev->wiphy.vendor_commands)
12721 return -EOPNOTSUPP;
12723 if (IS_ERR(wdev)) {
12724 err = PTR_ERR(wdev);
12725 if (err != -EINVAL)
12728 } else if (wdev->wiphy != &rdev->wiphy) {
12732 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
12733 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
12736 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
12737 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
12738 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
12739 const struct wiphy_vendor_command *vcmd;
12743 vcmd = &rdev->wiphy.vendor_commands[i];
12745 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12748 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12749 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12752 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12756 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12757 if (!wdev_running(wdev))
12762 return -EOPNOTSUPP;
12767 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
12768 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12769 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12771 err = nl80211_vendor_check_policy(vcmd,
12772 info->attrs[NL80211_ATTR_VENDOR_DATA],
12778 rdev->cur_cmd_info = info;
12779 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
12780 rdev->cur_cmd_info = NULL;
12784 return -EOPNOTSUPP;
12787 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
12788 struct netlink_callback *cb,
12789 struct cfg80211_registered_device **rdev,
12790 struct wireless_dev **wdev)
12792 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
12798 unsigned int data_len = 0;
12801 /* subtract the 1 again here */
12802 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
12803 struct wireless_dev *tmp;
12807 *rdev = wiphy_to_rdev(wiphy);
12811 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
12812 if (tmp->identifier == cb->args[1] - 1) {
12819 /* keep rtnl locked in successful case */
12823 err = nlmsg_parse_deprecated(cb->nlh,
12824 GENL_HDRLEN + nl80211_fam.hdrsize,
12825 attrbuf, nl80211_fam.maxattr,
12826 nl80211_policy, NULL);
12830 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
12831 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD])
12834 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
12838 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
12840 return PTR_ERR(*rdev);
12842 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
12843 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
12845 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
12846 const struct wiphy_vendor_command *vcmd;
12848 vcmd = &(*rdev)->wiphy.vendor_commands[i];
12850 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12854 return -EOPNOTSUPP;
12861 return -EOPNOTSUPP;
12863 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
12864 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
12865 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
12867 err = nl80211_vendor_check_policy(
12868 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
12869 attrbuf[NL80211_ATTR_VENDOR_DATA],
12875 /* 0 is the first index - add 1 to parse only once */
12876 cb->args[0] = (*rdev)->wiphy_idx + 1;
12877 /* add 1 to know if it was NULL */
12878 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
12879 cb->args[2] = vcmd_idx;
12880 cb->args[3] = (unsigned long)data;
12881 cb->args[4] = data_len;
12883 /* keep rtnl locked in successful case */
12887 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
12888 struct netlink_callback *cb)
12890 struct cfg80211_registered_device *rdev;
12891 struct wireless_dev *wdev;
12892 unsigned int vcmd_idx;
12893 const struct wiphy_vendor_command *vcmd;
12897 struct nlattr *vendor_data;
12900 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
12904 vcmd_idx = cb->args[2];
12905 data = (void *)cb->args[3];
12906 data_len = cb->args[4];
12907 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
12909 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12910 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12915 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12921 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12922 if (!wdev_running(wdev)) {
12930 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
12931 cb->nlh->nlmsg_seq, NLM_F_MULTI,
12932 NL80211_CMD_VENDOR);
12936 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12937 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
12939 NL80211_ATTR_PAD))) {
12940 genlmsg_cancel(skb, hdr);
12944 vendor_data = nla_nest_start_noflag(skb,
12945 NL80211_ATTR_VENDOR_DATA);
12946 if (!vendor_data) {
12947 genlmsg_cancel(skb, hdr);
12951 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
12952 (unsigned long *)&cb->args[5]);
12953 nla_nest_end(skb, vendor_data);
12955 if (err == -ENOBUFS || err == -ENOENT) {
12956 genlmsg_cancel(skb, hdr);
12959 genlmsg_cancel(skb, hdr);
12963 genlmsg_end(skb, hdr);
12972 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
12973 enum nl80211_commands cmd,
12974 enum nl80211_attrs attr,
12977 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12979 if (WARN_ON(!rdev->cur_cmd_info))
12982 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
12983 rdev->cur_cmd_info->snd_portid,
12984 rdev->cur_cmd_info->snd_seq,
12985 cmd, attr, NULL, GFP_KERNEL);
12987 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
12989 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
12991 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
12992 void *hdr = ((void **)skb->cb)[1];
12993 struct nlattr *data = ((void **)skb->cb)[2];
12995 /* clear CB data for netlink core to own from now on */
12996 memset(skb->cb, 0, sizeof(skb->cb));
12998 if (WARN_ON(!rdev->cur_cmd_info)) {
13003 nla_nest_end(skb, data);
13004 genlmsg_end(skb, hdr);
13005 return genlmsg_reply(skb, rdev->cur_cmd_info);
13007 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
13009 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
13011 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13013 if (WARN_ON(!rdev->cur_cmd_info))
13016 return rdev->cur_cmd_info->snd_portid;
13018 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
13020 static int nl80211_set_qos_map(struct sk_buff *skb,
13021 struct genl_info *info)
13023 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13024 struct cfg80211_qos_map *qos_map = NULL;
13025 struct net_device *dev = info->user_ptr[1];
13026 u8 *pos, len, num_des, des_len, des;
13029 if (!rdev->ops->set_qos_map)
13030 return -EOPNOTSUPP;
13032 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
13033 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
13034 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
13036 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
13037 len > IEEE80211_QOS_MAP_LEN_MAX)
13040 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
13044 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
13046 des_len = num_des *
13047 sizeof(struct cfg80211_dscp_exception);
13048 memcpy(qos_map->dscp_exception, pos, des_len);
13049 qos_map->num_des = num_des;
13050 for (des = 0; des < num_des; des++) {
13051 if (qos_map->dscp_exception[des].up > 7) {
13058 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
13061 wdev_lock(dev->ieee80211_ptr);
13062 ret = nl80211_key_allowed(dev->ieee80211_ptr);
13064 ret = rdev_set_qos_map(rdev, dev, qos_map);
13065 wdev_unlock(dev->ieee80211_ptr);
13071 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
13073 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13074 struct net_device *dev = info->user_ptr[1];
13075 struct wireless_dev *wdev = dev->ieee80211_ptr;
13078 u16 admitted_time = 0;
13081 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
13082 return -EOPNOTSUPP;
13084 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
13085 !info->attrs[NL80211_ATTR_USER_PRIO])
13088 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13089 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
13091 /* WMM uses TIDs 0-7 even for TSPEC */
13092 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
13093 /* TODO: handle 802.11 TSPEC/admission control
13094 * need more attributes for that (e.g. BA session requirement);
13095 * change the WMM adminssion test above to allow both then
13100 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13102 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13104 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13105 if (!admitted_time)
13110 switch (wdev->iftype) {
13111 case NL80211_IFTYPE_STATION:
13112 case NL80211_IFTYPE_P2P_CLIENT:
13113 if (wdev->current_bss)
13122 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13129 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13131 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13132 struct net_device *dev = info->user_ptr[1];
13133 struct wireless_dev *wdev = dev->ieee80211_ptr;
13138 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13141 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13142 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13145 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
13151 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
13152 struct genl_info *info)
13154 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13155 struct net_device *dev = info->user_ptr[1];
13156 struct wireless_dev *wdev = dev->ieee80211_ptr;
13157 struct cfg80211_chan_def chandef = {};
13162 if (!rdev->ops->tdls_channel_switch ||
13163 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13164 return -EOPNOTSUPP;
13166 switch (dev->ieee80211_ptr->iftype) {
13167 case NL80211_IFTYPE_STATION:
13168 case NL80211_IFTYPE_P2P_CLIENT:
13171 return -EOPNOTSUPP;
13174 if (!info->attrs[NL80211_ATTR_MAC] ||
13175 !info->attrs[NL80211_ATTR_OPER_CLASS])
13178 err = nl80211_parse_chandef(rdev, info, &chandef);
13183 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
13184 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
13185 * specification is not defined for them.
13187 if (chandef.chan->band == NL80211_BAND_2GHZ &&
13188 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
13189 chandef.width != NL80211_CHAN_WIDTH_20)
13192 /* we will be active on the TDLS link */
13193 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
13197 /* don't allow switching to DFS channels */
13198 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
13201 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13202 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
13205 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
13211 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
13212 struct genl_info *info)
13214 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13215 struct net_device *dev = info->user_ptr[1];
13216 struct wireless_dev *wdev = dev->ieee80211_ptr;
13219 if (!rdev->ops->tdls_channel_switch ||
13220 !rdev->ops->tdls_cancel_channel_switch ||
13221 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13222 return -EOPNOTSUPP;
13224 switch (dev->ieee80211_ptr->iftype) {
13225 case NL80211_IFTYPE_STATION:
13226 case NL80211_IFTYPE_P2P_CLIENT:
13229 return -EOPNOTSUPP;
13232 if (!info->attrs[NL80211_ATTR_MAC])
13235 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13238 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
13244 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
13245 struct genl_info *info)
13247 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13248 struct net_device *dev = info->user_ptr[1];
13249 struct wireless_dev *wdev = dev->ieee80211_ptr;
13250 const struct nlattr *nla;
13253 if (!rdev->ops->set_multicast_to_unicast)
13254 return -EOPNOTSUPP;
13256 if (wdev->iftype != NL80211_IFTYPE_AP &&
13257 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13258 return -EOPNOTSUPP;
13260 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
13261 enabled = nla_get_flag(nla);
13263 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
13266 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
13268 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13269 struct net_device *dev = info->user_ptr[1];
13270 struct wireless_dev *wdev = dev->ieee80211_ptr;
13271 struct cfg80211_pmk_conf pmk_conf = {};
13274 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13275 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13276 return -EOPNOTSUPP;
13278 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13279 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13280 return -EOPNOTSUPP;
13282 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
13286 if (!wdev->current_bss) {
13291 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13292 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
13297 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
13298 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
13299 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
13300 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
13305 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
13306 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13308 if (r0_name_len != WLAN_PMK_NAME_LEN) {
13313 pmk_conf.pmk_r0_name =
13314 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13317 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
13323 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
13325 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13326 struct net_device *dev = info->user_ptr[1];
13327 struct wireless_dev *wdev = dev->ieee80211_ptr;
13331 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13332 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13333 return -EOPNOTSUPP;
13335 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13336 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13337 return -EOPNOTSUPP;
13339 if (!info->attrs[NL80211_ATTR_MAC])
13343 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13344 ret = rdev_del_pmk(rdev, dev, aa);
13350 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
13352 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13353 struct net_device *dev = info->user_ptr[1];
13354 struct cfg80211_external_auth_params params;
13356 if (!rdev->ops->external_auth)
13357 return -EOPNOTSUPP;
13359 if (!info->attrs[NL80211_ATTR_SSID] &&
13360 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
13361 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
13364 if (!info->attrs[NL80211_ATTR_BSSID])
13367 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
13370 memset(¶ms, 0, sizeof(params));
13372 if (info->attrs[NL80211_ATTR_SSID]) {
13373 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
13374 if (params.ssid.ssid_len == 0 ||
13375 params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
13377 memcpy(params.ssid.ssid,
13378 nla_data(info->attrs[NL80211_ATTR_SSID]),
13379 params.ssid.ssid_len);
13382 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
13385 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13387 if (info->attrs[NL80211_ATTR_PMKID])
13388 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
13390 return rdev_external_auth(rdev, dev, ¶ms);
13393 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
13395 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13396 struct net_device *dev = info->user_ptr[1];
13397 struct wireless_dev *wdev = dev->ieee80211_ptr;
13405 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13406 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
13407 return -EOPNOTSUPP;
13409 if (!rdev->ops->tx_control_port)
13410 return -EOPNOTSUPP;
13412 if (!info->attrs[NL80211_ATTR_FRAME] ||
13413 !info->attrs[NL80211_ATTR_MAC] ||
13414 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
13415 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
13421 switch (wdev->iftype) {
13422 case NL80211_IFTYPE_AP:
13423 case NL80211_IFTYPE_P2P_GO:
13424 case NL80211_IFTYPE_MESH_POINT:
13426 case NL80211_IFTYPE_ADHOC:
13427 case NL80211_IFTYPE_STATION:
13428 case NL80211_IFTYPE_P2P_CLIENT:
13429 if (wdev->current_bss)
13440 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13441 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13442 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13443 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
13445 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
13447 return rdev_tx_control_port(rdev, dev, buf, len,
13448 dest, cpu_to_be16(proto), noencrypt);
13455 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
13456 struct genl_info *info)
13458 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13459 struct net_device *dev = info->user_ptr[1];
13460 struct wireless_dev *wdev = dev->ieee80211_ptr;
13461 struct cfg80211_ftm_responder_stats ftm_stats = {};
13462 struct sk_buff *msg;
13464 struct nlattr *ftm_stats_attr;
13467 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
13468 return -EOPNOTSUPP;
13470 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
13474 if (!ftm_stats.filled)
13477 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13481 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13482 NL80211_CMD_GET_FTM_RESPONDER_STATS);
13486 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13487 goto nla_put_failure;
13489 ftm_stats_attr = nla_nest_start_noflag(msg,
13490 NL80211_ATTR_FTM_RESPONDER_STATS);
13491 if (!ftm_stats_attr)
13492 goto nla_put_failure;
13494 #define SET_FTM(field, name, type) \
13495 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13496 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13497 ftm_stats.field)) \
13498 goto nla_put_failure; } while (0)
13499 #define SET_FTM_U64(field, name) \
13500 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13501 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13502 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13503 goto nla_put_failure; } while (0)
13505 SET_FTM(success_num, SUCCESS_NUM, u32);
13506 SET_FTM(partial_num, PARTIAL_NUM, u32);
13507 SET_FTM(failed_num, FAILED_NUM, u32);
13508 SET_FTM(asap_num, ASAP_NUM, u32);
13509 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
13510 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
13511 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
13512 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
13513 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
13516 nla_nest_end(msg, ftm_stats_attr);
13518 genlmsg_end(msg, hdr);
13519 return genlmsg_reply(msg, info);
13526 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
13528 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13529 struct cfg80211_update_owe_info owe_info;
13530 struct net_device *dev = info->user_ptr[1];
13532 if (!rdev->ops->update_owe_info)
13533 return -EOPNOTSUPP;
13535 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
13536 !info->attrs[NL80211_ATTR_MAC])
13539 memset(&owe_info, 0, sizeof(owe_info));
13540 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13541 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
13543 if (info->attrs[NL80211_ATTR_IE]) {
13544 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13545 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13548 return rdev_update_owe_info(rdev, dev, &owe_info);
13551 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
13553 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13554 struct net_device *dev = info->user_ptr[1];
13555 struct wireless_dev *wdev = dev->ieee80211_ptr;
13556 struct station_info sinfo = {};
13562 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
13563 return -EOPNOTSUPP;
13565 if (!info->attrs[NL80211_ATTR_MAC] ||
13566 !info->attrs[NL80211_ATTR_FRAME]) {
13567 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
13571 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
13572 return -EOPNOTSUPP;
13574 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13575 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13576 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13578 if (len < sizeof(struct ethhdr))
13581 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
13582 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
13585 err = rdev_get_station(rdev, dev, dest, &sinfo);
13589 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
13592 #define NL80211_FLAG_NEED_WIPHY 0x01
13593 #define NL80211_FLAG_NEED_NETDEV 0x02
13594 #define NL80211_FLAG_NEED_RTNL 0x04
13595 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
13596 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
13597 NL80211_FLAG_CHECK_NETDEV_UP)
13598 #define NL80211_FLAG_NEED_WDEV 0x10
13599 /* If a netdev is associated, it must be UP, P2P must be started */
13600 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
13601 NL80211_FLAG_CHECK_NETDEV_UP)
13602 #define NL80211_FLAG_CLEAR_SKB 0x20
13604 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
13605 struct genl_info *info)
13607 struct cfg80211_registered_device *rdev;
13608 struct wireless_dev *wdev;
13609 struct net_device *dev;
13610 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
13615 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
13616 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
13617 if (IS_ERR(rdev)) {
13620 return PTR_ERR(rdev);
13622 info->user_ptr[0] = rdev;
13623 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
13624 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13627 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
13629 if (IS_ERR(wdev)) {
13632 return PTR_ERR(wdev);
13635 dev = wdev->netdev;
13636 rdev = wiphy_to_rdev(wdev->wiphy);
13638 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
13645 info->user_ptr[1] = dev;
13647 info->user_ptr[1] = wdev;
13650 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
13651 !wdev_running(wdev)) {
13660 info->user_ptr[0] = rdev;
13666 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
13667 struct genl_info *info)
13669 if (info->user_ptr[1]) {
13670 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13671 struct wireless_dev *wdev = info->user_ptr[1];
13674 dev_put(wdev->netdev);
13676 dev_put(info->user_ptr[1]);
13680 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
13683 /* If needed, clear the netlink message payload from the SKB
13684 * as it might contain key data that shouldn't stick around on
13685 * the heap after the SKB is freed. The netlink message header
13686 * is still needed for further processing, so leave it intact.
13688 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
13689 struct nlmsghdr *nlh = nlmsg_hdr(skb);
13691 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
13695 static const struct genl_ops nl80211_ops[] = {
13697 .cmd = NL80211_CMD_GET_WIPHY,
13698 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13699 .doit = nl80211_get_wiphy,
13700 .dumpit = nl80211_dump_wiphy,
13701 .done = nl80211_dump_wiphy_done,
13702 /* can be retrieved by unprivileged users */
13703 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13704 NL80211_FLAG_NEED_RTNL,
13707 .cmd = NL80211_CMD_SET_WIPHY,
13708 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13709 .doit = nl80211_set_wiphy,
13710 .flags = GENL_UNS_ADMIN_PERM,
13711 .internal_flags = NL80211_FLAG_NEED_RTNL,
13714 .cmd = NL80211_CMD_GET_INTERFACE,
13715 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13716 .doit = nl80211_get_interface,
13717 .dumpit = nl80211_dump_interface,
13718 /* can be retrieved by unprivileged users */
13719 .internal_flags = NL80211_FLAG_NEED_WDEV |
13720 NL80211_FLAG_NEED_RTNL,
13723 .cmd = NL80211_CMD_SET_INTERFACE,
13724 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13725 .doit = nl80211_set_interface,
13726 .flags = GENL_UNS_ADMIN_PERM,
13727 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13728 NL80211_FLAG_NEED_RTNL,
13731 .cmd = NL80211_CMD_NEW_INTERFACE,
13732 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13733 .doit = nl80211_new_interface,
13734 .flags = GENL_UNS_ADMIN_PERM,
13735 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13736 NL80211_FLAG_NEED_RTNL,
13739 .cmd = NL80211_CMD_DEL_INTERFACE,
13740 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13741 .doit = nl80211_del_interface,
13742 .flags = GENL_UNS_ADMIN_PERM,
13743 .internal_flags = NL80211_FLAG_NEED_WDEV |
13744 NL80211_FLAG_NEED_RTNL,
13747 .cmd = NL80211_CMD_GET_KEY,
13748 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13749 .doit = nl80211_get_key,
13750 .flags = GENL_UNS_ADMIN_PERM,
13751 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13752 NL80211_FLAG_NEED_RTNL,
13755 .cmd = NL80211_CMD_SET_KEY,
13756 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13757 .doit = nl80211_set_key,
13758 .flags = GENL_UNS_ADMIN_PERM,
13759 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13760 NL80211_FLAG_NEED_RTNL |
13761 NL80211_FLAG_CLEAR_SKB,
13764 .cmd = NL80211_CMD_NEW_KEY,
13765 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13766 .doit = nl80211_new_key,
13767 .flags = GENL_UNS_ADMIN_PERM,
13768 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13769 NL80211_FLAG_NEED_RTNL |
13770 NL80211_FLAG_CLEAR_SKB,
13773 .cmd = NL80211_CMD_DEL_KEY,
13774 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13775 .doit = nl80211_del_key,
13776 .flags = GENL_UNS_ADMIN_PERM,
13777 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13778 NL80211_FLAG_NEED_RTNL,
13781 .cmd = NL80211_CMD_SET_BEACON,
13782 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13783 .flags = GENL_UNS_ADMIN_PERM,
13784 .doit = nl80211_set_beacon,
13785 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13786 NL80211_FLAG_NEED_RTNL,
13789 .cmd = NL80211_CMD_START_AP,
13790 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13791 .flags = GENL_UNS_ADMIN_PERM,
13792 .doit = nl80211_start_ap,
13793 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13794 NL80211_FLAG_NEED_RTNL,
13797 .cmd = NL80211_CMD_STOP_AP,
13798 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13799 .flags = GENL_UNS_ADMIN_PERM,
13800 .doit = nl80211_stop_ap,
13801 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13802 NL80211_FLAG_NEED_RTNL,
13805 .cmd = NL80211_CMD_GET_STATION,
13806 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13807 .doit = nl80211_get_station,
13808 .dumpit = nl80211_dump_station,
13809 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13810 NL80211_FLAG_NEED_RTNL,
13813 .cmd = NL80211_CMD_SET_STATION,
13814 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13815 .doit = nl80211_set_station,
13816 .flags = GENL_UNS_ADMIN_PERM,
13817 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13818 NL80211_FLAG_NEED_RTNL,
13821 .cmd = NL80211_CMD_NEW_STATION,
13822 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13823 .doit = nl80211_new_station,
13824 .flags = GENL_UNS_ADMIN_PERM,
13825 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13826 NL80211_FLAG_NEED_RTNL,
13829 .cmd = NL80211_CMD_DEL_STATION,
13830 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13831 .doit = nl80211_del_station,
13832 .flags = GENL_UNS_ADMIN_PERM,
13833 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13834 NL80211_FLAG_NEED_RTNL,
13837 .cmd = NL80211_CMD_GET_MPATH,
13838 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13839 .doit = nl80211_get_mpath,
13840 .dumpit = nl80211_dump_mpath,
13841 .flags = GENL_UNS_ADMIN_PERM,
13842 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13843 NL80211_FLAG_NEED_RTNL,
13846 .cmd = NL80211_CMD_GET_MPP,
13847 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13848 .doit = nl80211_get_mpp,
13849 .dumpit = nl80211_dump_mpp,
13850 .flags = GENL_UNS_ADMIN_PERM,
13851 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13852 NL80211_FLAG_NEED_RTNL,
13855 .cmd = NL80211_CMD_SET_MPATH,
13856 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13857 .doit = nl80211_set_mpath,
13858 .flags = GENL_UNS_ADMIN_PERM,
13859 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13860 NL80211_FLAG_NEED_RTNL,
13863 .cmd = NL80211_CMD_NEW_MPATH,
13864 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13865 .doit = nl80211_new_mpath,
13866 .flags = GENL_UNS_ADMIN_PERM,
13867 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13868 NL80211_FLAG_NEED_RTNL,
13871 .cmd = NL80211_CMD_DEL_MPATH,
13872 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13873 .doit = nl80211_del_mpath,
13874 .flags = GENL_UNS_ADMIN_PERM,
13875 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13876 NL80211_FLAG_NEED_RTNL,
13879 .cmd = NL80211_CMD_SET_BSS,
13880 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13881 .doit = nl80211_set_bss,
13882 .flags = GENL_UNS_ADMIN_PERM,
13883 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13884 NL80211_FLAG_NEED_RTNL,
13887 .cmd = NL80211_CMD_GET_REG,
13888 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13889 .doit = nl80211_get_reg_do,
13890 .dumpit = nl80211_get_reg_dump,
13891 .internal_flags = NL80211_FLAG_NEED_RTNL,
13892 /* can be retrieved by unprivileged users */
13894 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
13896 .cmd = NL80211_CMD_SET_REG,
13897 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13898 .doit = nl80211_set_reg,
13899 .flags = GENL_ADMIN_PERM,
13900 .internal_flags = NL80211_FLAG_NEED_RTNL,
13904 .cmd = NL80211_CMD_REQ_SET_REG,
13905 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13906 .doit = nl80211_req_set_reg,
13907 .flags = GENL_ADMIN_PERM,
13910 .cmd = NL80211_CMD_RELOAD_REGDB,
13911 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13912 .doit = nl80211_reload_regdb,
13913 .flags = GENL_ADMIN_PERM,
13916 .cmd = NL80211_CMD_GET_MESH_CONFIG,
13917 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13918 .doit = nl80211_get_mesh_config,
13919 /* can be retrieved by unprivileged users */
13920 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13921 NL80211_FLAG_NEED_RTNL,
13924 .cmd = NL80211_CMD_SET_MESH_CONFIG,
13925 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13926 .doit = nl80211_update_mesh_config,
13927 .flags = GENL_UNS_ADMIN_PERM,
13928 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13929 NL80211_FLAG_NEED_RTNL,
13932 .cmd = NL80211_CMD_TRIGGER_SCAN,
13933 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13934 .doit = nl80211_trigger_scan,
13935 .flags = GENL_UNS_ADMIN_PERM,
13936 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13937 NL80211_FLAG_NEED_RTNL,
13940 .cmd = NL80211_CMD_ABORT_SCAN,
13941 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13942 .doit = nl80211_abort_scan,
13943 .flags = GENL_UNS_ADMIN_PERM,
13944 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13945 NL80211_FLAG_NEED_RTNL,
13948 .cmd = NL80211_CMD_GET_SCAN,
13949 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13950 .dumpit = nl80211_dump_scan,
13953 .cmd = NL80211_CMD_START_SCHED_SCAN,
13954 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13955 .doit = nl80211_start_sched_scan,
13956 .flags = GENL_UNS_ADMIN_PERM,
13957 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13958 NL80211_FLAG_NEED_RTNL,
13961 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
13962 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13963 .doit = nl80211_stop_sched_scan,
13964 .flags = GENL_UNS_ADMIN_PERM,
13965 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13966 NL80211_FLAG_NEED_RTNL,
13969 .cmd = NL80211_CMD_AUTHENTICATE,
13970 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13971 .doit = nl80211_authenticate,
13972 .flags = GENL_UNS_ADMIN_PERM,
13973 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13974 NL80211_FLAG_NEED_RTNL |
13975 NL80211_FLAG_CLEAR_SKB,
13978 .cmd = NL80211_CMD_ASSOCIATE,
13979 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13980 .doit = nl80211_associate,
13981 .flags = GENL_UNS_ADMIN_PERM,
13982 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13983 NL80211_FLAG_NEED_RTNL |
13984 NL80211_FLAG_CLEAR_SKB,
13987 .cmd = NL80211_CMD_DEAUTHENTICATE,
13988 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13989 .doit = nl80211_deauthenticate,
13990 .flags = GENL_UNS_ADMIN_PERM,
13991 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13992 NL80211_FLAG_NEED_RTNL,
13995 .cmd = NL80211_CMD_DISASSOCIATE,
13996 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13997 .doit = nl80211_disassociate,
13998 .flags = GENL_UNS_ADMIN_PERM,
13999 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14000 NL80211_FLAG_NEED_RTNL,
14003 .cmd = NL80211_CMD_JOIN_IBSS,
14004 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14005 .doit = nl80211_join_ibss,
14006 .flags = GENL_UNS_ADMIN_PERM,
14007 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14008 NL80211_FLAG_NEED_RTNL,
14011 .cmd = NL80211_CMD_LEAVE_IBSS,
14012 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14013 .doit = nl80211_leave_ibss,
14014 .flags = GENL_UNS_ADMIN_PERM,
14015 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14016 NL80211_FLAG_NEED_RTNL,
14018 #ifdef CONFIG_NL80211_TESTMODE
14020 .cmd = NL80211_CMD_TESTMODE,
14021 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14022 .doit = nl80211_testmode_do,
14023 .dumpit = nl80211_testmode_dump,
14024 .flags = GENL_UNS_ADMIN_PERM,
14025 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14026 NL80211_FLAG_NEED_RTNL,
14030 .cmd = NL80211_CMD_CONNECT,
14031 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14032 .doit = nl80211_connect,
14033 .flags = GENL_UNS_ADMIN_PERM,
14034 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14035 NL80211_FLAG_NEED_RTNL |
14036 NL80211_FLAG_CLEAR_SKB,
14039 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
14040 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14041 .doit = nl80211_update_connect_params,
14042 .flags = GENL_ADMIN_PERM,
14043 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14044 NL80211_FLAG_NEED_RTNL |
14045 NL80211_FLAG_CLEAR_SKB,
14048 .cmd = NL80211_CMD_DISCONNECT,
14049 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14050 .doit = nl80211_disconnect,
14051 .flags = GENL_UNS_ADMIN_PERM,
14052 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14053 NL80211_FLAG_NEED_RTNL,
14056 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
14057 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14058 .doit = nl80211_wiphy_netns,
14059 .flags = GENL_UNS_ADMIN_PERM,
14060 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14061 NL80211_FLAG_NEED_RTNL,
14064 .cmd = NL80211_CMD_GET_SURVEY,
14065 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14066 .dumpit = nl80211_dump_survey,
14069 .cmd = NL80211_CMD_SET_PMKSA,
14070 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14071 .doit = nl80211_setdel_pmksa,
14072 .flags = GENL_UNS_ADMIN_PERM,
14073 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14074 NL80211_FLAG_NEED_RTNL |
14075 NL80211_FLAG_CLEAR_SKB,
14078 .cmd = NL80211_CMD_DEL_PMKSA,
14079 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14080 .doit = nl80211_setdel_pmksa,
14081 .flags = GENL_UNS_ADMIN_PERM,
14082 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14083 NL80211_FLAG_NEED_RTNL,
14086 .cmd = NL80211_CMD_FLUSH_PMKSA,
14087 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14088 .doit = nl80211_flush_pmksa,
14089 .flags = GENL_UNS_ADMIN_PERM,
14090 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14091 NL80211_FLAG_NEED_RTNL,
14094 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
14095 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14096 .doit = nl80211_remain_on_channel,
14097 .flags = GENL_UNS_ADMIN_PERM,
14098 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14099 NL80211_FLAG_NEED_RTNL,
14102 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
14103 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14104 .doit = nl80211_cancel_remain_on_channel,
14105 .flags = GENL_UNS_ADMIN_PERM,
14106 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14107 NL80211_FLAG_NEED_RTNL,
14110 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
14111 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14112 .doit = nl80211_set_tx_bitrate_mask,
14113 .flags = GENL_UNS_ADMIN_PERM,
14114 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14115 NL80211_FLAG_NEED_RTNL,
14118 .cmd = NL80211_CMD_REGISTER_FRAME,
14119 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14120 .doit = nl80211_register_mgmt,
14121 .flags = GENL_UNS_ADMIN_PERM,
14122 .internal_flags = NL80211_FLAG_NEED_WDEV |
14123 NL80211_FLAG_NEED_RTNL,
14126 .cmd = NL80211_CMD_FRAME,
14127 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14128 .doit = nl80211_tx_mgmt,
14129 .flags = GENL_UNS_ADMIN_PERM,
14130 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14131 NL80211_FLAG_NEED_RTNL,
14134 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
14135 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14136 .doit = nl80211_tx_mgmt_cancel_wait,
14137 .flags = GENL_UNS_ADMIN_PERM,
14138 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14139 NL80211_FLAG_NEED_RTNL,
14142 .cmd = NL80211_CMD_SET_POWER_SAVE,
14143 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14144 .doit = nl80211_set_power_save,
14145 .flags = GENL_UNS_ADMIN_PERM,
14146 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14147 NL80211_FLAG_NEED_RTNL,
14150 .cmd = NL80211_CMD_GET_POWER_SAVE,
14151 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14152 .doit = nl80211_get_power_save,
14153 /* can be retrieved by unprivileged users */
14154 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14155 NL80211_FLAG_NEED_RTNL,
14158 .cmd = NL80211_CMD_SET_CQM,
14159 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14160 .doit = nl80211_set_cqm,
14161 .flags = GENL_UNS_ADMIN_PERM,
14162 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14163 NL80211_FLAG_NEED_RTNL,
14166 .cmd = NL80211_CMD_SET_CHANNEL,
14167 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14168 .doit = nl80211_set_channel,
14169 .flags = GENL_UNS_ADMIN_PERM,
14170 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14171 NL80211_FLAG_NEED_RTNL,
14174 .cmd = NL80211_CMD_SET_WDS_PEER,
14175 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14176 .doit = nl80211_set_wds_peer,
14177 .flags = GENL_UNS_ADMIN_PERM,
14178 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14179 NL80211_FLAG_NEED_RTNL,
14182 .cmd = NL80211_CMD_JOIN_MESH,
14183 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14184 .doit = nl80211_join_mesh,
14185 .flags = GENL_UNS_ADMIN_PERM,
14186 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14187 NL80211_FLAG_NEED_RTNL,
14190 .cmd = NL80211_CMD_LEAVE_MESH,
14191 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14192 .doit = nl80211_leave_mesh,
14193 .flags = GENL_UNS_ADMIN_PERM,
14194 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14195 NL80211_FLAG_NEED_RTNL,
14198 .cmd = NL80211_CMD_JOIN_OCB,
14199 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14200 .doit = nl80211_join_ocb,
14201 .flags = GENL_UNS_ADMIN_PERM,
14202 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14203 NL80211_FLAG_NEED_RTNL,
14206 .cmd = NL80211_CMD_LEAVE_OCB,
14207 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14208 .doit = nl80211_leave_ocb,
14209 .flags = GENL_UNS_ADMIN_PERM,
14210 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14211 NL80211_FLAG_NEED_RTNL,
14215 .cmd = NL80211_CMD_GET_WOWLAN,
14216 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14217 .doit = nl80211_get_wowlan,
14218 /* can be retrieved by unprivileged users */
14219 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14220 NL80211_FLAG_NEED_RTNL,
14223 .cmd = NL80211_CMD_SET_WOWLAN,
14224 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14225 .doit = nl80211_set_wowlan,
14226 .flags = GENL_UNS_ADMIN_PERM,
14227 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14228 NL80211_FLAG_NEED_RTNL,
14232 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
14233 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14234 .doit = nl80211_set_rekey_data,
14235 .flags = GENL_UNS_ADMIN_PERM,
14236 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14237 NL80211_FLAG_NEED_RTNL |
14238 NL80211_FLAG_CLEAR_SKB,
14241 .cmd = NL80211_CMD_TDLS_MGMT,
14242 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14243 .doit = nl80211_tdls_mgmt,
14244 .flags = GENL_UNS_ADMIN_PERM,
14245 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14246 NL80211_FLAG_NEED_RTNL,
14249 .cmd = NL80211_CMD_TDLS_OPER,
14250 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14251 .doit = nl80211_tdls_oper,
14252 .flags = GENL_UNS_ADMIN_PERM,
14253 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14254 NL80211_FLAG_NEED_RTNL,
14257 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
14258 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14259 .doit = nl80211_register_unexpected_frame,
14260 .flags = GENL_UNS_ADMIN_PERM,
14261 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14262 NL80211_FLAG_NEED_RTNL,
14265 .cmd = NL80211_CMD_PROBE_CLIENT,
14266 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14267 .doit = nl80211_probe_client,
14268 .flags = GENL_UNS_ADMIN_PERM,
14269 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14270 NL80211_FLAG_NEED_RTNL,
14273 .cmd = NL80211_CMD_REGISTER_BEACONS,
14274 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14275 .doit = nl80211_register_beacons,
14276 .flags = GENL_UNS_ADMIN_PERM,
14277 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14278 NL80211_FLAG_NEED_RTNL,
14281 .cmd = NL80211_CMD_SET_NOACK_MAP,
14282 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14283 .doit = nl80211_set_noack_map,
14284 .flags = GENL_UNS_ADMIN_PERM,
14285 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14286 NL80211_FLAG_NEED_RTNL,
14289 .cmd = NL80211_CMD_START_P2P_DEVICE,
14290 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14291 .doit = nl80211_start_p2p_device,
14292 .flags = GENL_UNS_ADMIN_PERM,
14293 .internal_flags = NL80211_FLAG_NEED_WDEV |
14294 NL80211_FLAG_NEED_RTNL,
14297 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
14298 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14299 .doit = nl80211_stop_p2p_device,
14300 .flags = GENL_UNS_ADMIN_PERM,
14301 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14302 NL80211_FLAG_NEED_RTNL,
14305 .cmd = NL80211_CMD_START_NAN,
14306 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14307 .doit = nl80211_start_nan,
14308 .flags = GENL_ADMIN_PERM,
14309 .internal_flags = NL80211_FLAG_NEED_WDEV |
14310 NL80211_FLAG_NEED_RTNL,
14313 .cmd = NL80211_CMD_STOP_NAN,
14314 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14315 .doit = nl80211_stop_nan,
14316 .flags = GENL_ADMIN_PERM,
14317 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14318 NL80211_FLAG_NEED_RTNL,
14321 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
14322 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14323 .doit = nl80211_nan_add_func,
14324 .flags = GENL_ADMIN_PERM,
14325 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14326 NL80211_FLAG_NEED_RTNL,
14329 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
14330 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14331 .doit = nl80211_nan_del_func,
14332 .flags = GENL_ADMIN_PERM,
14333 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14334 NL80211_FLAG_NEED_RTNL,
14337 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
14338 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14339 .doit = nl80211_nan_change_config,
14340 .flags = GENL_ADMIN_PERM,
14341 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14342 NL80211_FLAG_NEED_RTNL,
14345 .cmd = NL80211_CMD_SET_MCAST_RATE,
14346 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14347 .doit = nl80211_set_mcast_rate,
14348 .flags = GENL_UNS_ADMIN_PERM,
14349 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14350 NL80211_FLAG_NEED_RTNL,
14353 .cmd = NL80211_CMD_SET_MAC_ACL,
14354 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14355 .doit = nl80211_set_mac_acl,
14356 .flags = GENL_UNS_ADMIN_PERM,
14357 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14358 NL80211_FLAG_NEED_RTNL,
14361 .cmd = NL80211_CMD_RADAR_DETECT,
14362 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14363 .doit = nl80211_start_radar_detection,
14364 .flags = GENL_UNS_ADMIN_PERM,
14365 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14366 NL80211_FLAG_NEED_RTNL,
14369 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
14370 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14371 .doit = nl80211_get_protocol_features,
14374 .cmd = NL80211_CMD_UPDATE_FT_IES,
14375 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14376 .doit = nl80211_update_ft_ies,
14377 .flags = GENL_UNS_ADMIN_PERM,
14378 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14379 NL80211_FLAG_NEED_RTNL,
14382 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
14383 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14384 .doit = nl80211_crit_protocol_start,
14385 .flags = GENL_UNS_ADMIN_PERM,
14386 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14387 NL80211_FLAG_NEED_RTNL,
14390 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
14391 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14392 .doit = nl80211_crit_protocol_stop,
14393 .flags = GENL_UNS_ADMIN_PERM,
14394 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14395 NL80211_FLAG_NEED_RTNL,
14398 .cmd = NL80211_CMD_GET_COALESCE,
14399 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14400 .doit = nl80211_get_coalesce,
14401 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14402 NL80211_FLAG_NEED_RTNL,
14405 .cmd = NL80211_CMD_SET_COALESCE,
14406 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14407 .doit = nl80211_set_coalesce,
14408 .flags = GENL_UNS_ADMIN_PERM,
14409 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14410 NL80211_FLAG_NEED_RTNL,
14413 .cmd = NL80211_CMD_CHANNEL_SWITCH,
14414 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14415 .doit = nl80211_channel_switch,
14416 .flags = GENL_UNS_ADMIN_PERM,
14417 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14418 NL80211_FLAG_NEED_RTNL,
14421 .cmd = NL80211_CMD_VENDOR,
14422 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14423 .doit = nl80211_vendor_cmd,
14424 .dumpit = nl80211_vendor_cmd_dump,
14425 .flags = GENL_UNS_ADMIN_PERM,
14426 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14427 NL80211_FLAG_NEED_RTNL |
14428 NL80211_FLAG_CLEAR_SKB,
14431 .cmd = NL80211_CMD_SET_QOS_MAP,
14432 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14433 .doit = nl80211_set_qos_map,
14434 .flags = GENL_UNS_ADMIN_PERM,
14435 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14436 NL80211_FLAG_NEED_RTNL,
14439 .cmd = NL80211_CMD_ADD_TX_TS,
14440 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14441 .doit = nl80211_add_tx_ts,
14442 .flags = GENL_UNS_ADMIN_PERM,
14443 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14444 NL80211_FLAG_NEED_RTNL,
14447 .cmd = NL80211_CMD_DEL_TX_TS,
14448 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14449 .doit = nl80211_del_tx_ts,
14450 .flags = GENL_UNS_ADMIN_PERM,
14451 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14452 NL80211_FLAG_NEED_RTNL,
14455 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
14456 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14457 .doit = nl80211_tdls_channel_switch,
14458 .flags = GENL_UNS_ADMIN_PERM,
14459 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14460 NL80211_FLAG_NEED_RTNL,
14463 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
14464 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14465 .doit = nl80211_tdls_cancel_channel_switch,
14466 .flags = GENL_UNS_ADMIN_PERM,
14467 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14468 NL80211_FLAG_NEED_RTNL,
14471 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
14472 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14473 .doit = nl80211_set_multicast_to_unicast,
14474 .flags = GENL_UNS_ADMIN_PERM,
14475 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14476 NL80211_FLAG_NEED_RTNL,
14479 .cmd = NL80211_CMD_SET_PMK,
14480 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14481 .doit = nl80211_set_pmk,
14482 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14483 NL80211_FLAG_NEED_RTNL |
14484 NL80211_FLAG_CLEAR_SKB,
14487 .cmd = NL80211_CMD_DEL_PMK,
14488 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14489 .doit = nl80211_del_pmk,
14490 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14491 NL80211_FLAG_NEED_RTNL,
14494 .cmd = NL80211_CMD_EXTERNAL_AUTH,
14495 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14496 .doit = nl80211_external_auth,
14497 .flags = GENL_ADMIN_PERM,
14498 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14499 NL80211_FLAG_NEED_RTNL,
14502 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
14503 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14504 .doit = nl80211_tx_control_port,
14505 .flags = GENL_UNS_ADMIN_PERM,
14506 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14507 NL80211_FLAG_NEED_RTNL,
14510 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
14511 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14512 .doit = nl80211_get_ftm_responder_stats,
14513 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14514 NL80211_FLAG_NEED_RTNL,
14517 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
14518 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14519 .doit = nl80211_pmsr_start,
14520 .flags = GENL_UNS_ADMIN_PERM,
14521 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14522 NL80211_FLAG_NEED_RTNL,
14525 .cmd = NL80211_CMD_NOTIFY_RADAR,
14526 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14527 .doit = nl80211_notify_radar_detection,
14528 .flags = GENL_UNS_ADMIN_PERM,
14529 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14530 NL80211_FLAG_NEED_RTNL,
14533 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
14534 .doit = nl80211_update_owe_info,
14535 .flags = GENL_ADMIN_PERM,
14536 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14537 NL80211_FLAG_NEED_RTNL,
14540 .cmd = NL80211_CMD_PROBE_MESH_LINK,
14541 .doit = nl80211_probe_mesh_link,
14542 .flags = GENL_UNS_ADMIN_PERM,
14543 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14544 NL80211_FLAG_NEED_RTNL,
14548 static struct genl_family nl80211_fam __ro_after_init = {
14549 .name = NL80211_GENL_NAME, /* have users key off the name instead */
14550 .hdrsize = 0, /* no private header */
14551 .version = 1, /* no particular meaning now */
14552 .maxattr = NL80211_ATTR_MAX,
14553 .policy = nl80211_policy,
14555 .pre_doit = nl80211_pre_doit,
14556 .post_doit = nl80211_post_doit,
14557 .module = THIS_MODULE,
14558 .ops = nl80211_ops,
14559 .n_ops = ARRAY_SIZE(nl80211_ops),
14560 .mcgrps = nl80211_mcgrps,
14561 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
14564 /* notification functions */
14566 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
14567 enum nl80211_commands cmd)
14569 struct sk_buff *msg;
14570 struct nl80211_dump_wiphy_state state = {};
14572 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
14573 cmd != NL80211_CMD_DEL_WIPHY);
14575 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14579 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
14584 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14585 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14588 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
14589 struct wireless_dev *wdev,
14590 enum nl80211_commands cmd)
14592 struct sk_buff *msg;
14594 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14598 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
14603 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14604 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14607 static int nl80211_add_scan_req(struct sk_buff *msg,
14608 struct cfg80211_registered_device *rdev)
14610 struct cfg80211_scan_request *req = rdev->scan_req;
14611 struct nlattr *nest;
14617 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
14619 goto nla_put_failure;
14620 for (i = 0; i < req->n_ssids; i++) {
14621 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
14622 goto nla_put_failure;
14624 nla_nest_end(msg, nest);
14626 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
14628 goto nla_put_failure;
14629 for (i = 0; i < req->n_channels; i++) {
14630 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
14631 goto nla_put_failure;
14633 nla_nest_end(msg, nest);
14636 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
14637 goto nla_put_failure;
14640 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
14641 goto nla_put_failure;
14643 if (req->info.scan_start_tsf &&
14644 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
14645 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
14646 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
14647 req->info.tsf_bssid)))
14648 goto nla_put_failure;
14655 static int nl80211_prep_scan_msg(struct sk_buff *msg,
14656 struct cfg80211_registered_device *rdev,
14657 struct wireless_dev *wdev,
14658 u32 portid, u32 seq, int flags,
14663 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
14667 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14668 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14669 wdev->netdev->ifindex)) ||
14670 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14672 goto nla_put_failure;
14674 /* ignore errors and send incomplete event anyway */
14675 nl80211_add_scan_req(msg, rdev);
14677 genlmsg_end(msg, hdr);
14681 genlmsg_cancel(msg, hdr);
14686 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
14687 struct cfg80211_sched_scan_request *req, u32 cmd)
14691 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14695 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
14696 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
14697 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
14698 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
14700 goto nla_put_failure;
14702 genlmsg_end(msg, hdr);
14706 genlmsg_cancel(msg, hdr);
14710 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
14711 struct wireless_dev *wdev)
14713 struct sk_buff *msg;
14715 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14719 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14720 NL80211_CMD_TRIGGER_SCAN) < 0) {
14725 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14726 NL80211_MCGRP_SCAN, GFP_KERNEL);
14729 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
14730 struct wireless_dev *wdev, bool aborted)
14732 struct sk_buff *msg;
14734 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14738 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14739 aborted ? NL80211_CMD_SCAN_ABORTED :
14740 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
14748 /* send message created by nl80211_build_scan_msg() */
14749 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
14750 struct sk_buff *msg)
14755 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14756 NL80211_MCGRP_SCAN, GFP_KERNEL);
14759 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
14761 struct sk_buff *msg;
14763 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14767 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
14772 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
14773 NL80211_MCGRP_SCAN, GFP_KERNEL);
14776 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
14777 struct regulatory_request *request)
14779 /* Userspace can always count this one always being set */
14780 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
14781 goto nla_put_failure;
14783 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
14784 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14785 NL80211_REGDOM_TYPE_WORLD))
14786 goto nla_put_failure;
14787 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
14788 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14789 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
14790 goto nla_put_failure;
14791 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
14792 request->intersect) {
14793 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14794 NL80211_REGDOM_TYPE_INTERSECTION))
14795 goto nla_put_failure;
14797 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14798 NL80211_REGDOM_TYPE_COUNTRY) ||
14799 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
14801 goto nla_put_failure;
14804 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
14805 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
14808 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
14809 goto nla_put_failure;
14812 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
14813 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
14814 goto nla_put_failure;
14824 * This can happen on global regulatory changes or device specific settings
14825 * based on custom regulatory domains.
14827 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
14828 struct regulatory_request *request)
14830 struct sk_buff *msg;
14833 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14837 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
14843 if (nl80211_reg_change_event_fill(msg, request) == false)
14844 goto nla_put_failure;
14846 genlmsg_end(msg, hdr);
14849 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
14850 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
14859 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
14860 struct net_device *netdev,
14861 const u8 *buf, size_t len,
14862 enum nl80211_commands cmd, gfp_t gfp,
14863 int uapsd_queues, const u8 *req_ies,
14864 size_t req_ies_len)
14866 struct sk_buff *msg;
14869 msg = nlmsg_new(100 + len + req_ies_len, gfp);
14873 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14879 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14880 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14881 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
14883 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
14884 goto nla_put_failure;
14886 if (uapsd_queues >= 0) {
14887 struct nlattr *nla_wmm =
14888 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
14890 goto nla_put_failure;
14892 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
14894 goto nla_put_failure;
14896 nla_nest_end(msg, nla_wmm);
14899 genlmsg_end(msg, hdr);
14901 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14902 NL80211_MCGRP_MLME, gfp);
14909 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
14910 struct net_device *netdev, const u8 *buf,
14911 size_t len, gfp_t gfp)
14913 nl80211_send_mlme_event(rdev, netdev, buf, len,
14914 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
14917 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
14918 struct net_device *netdev, const u8 *buf,
14919 size_t len, gfp_t gfp, int uapsd_queues,
14920 const u8 *req_ies, size_t req_ies_len)
14922 nl80211_send_mlme_event(rdev, netdev, buf, len,
14923 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
14924 req_ies, req_ies_len);
14927 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
14928 struct net_device *netdev, const u8 *buf,
14929 size_t len, gfp_t gfp)
14931 nl80211_send_mlme_event(rdev, netdev, buf, len,
14932 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
14935 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
14936 struct net_device *netdev, const u8 *buf,
14937 size_t len, gfp_t gfp)
14939 nl80211_send_mlme_event(rdev, netdev, buf, len,
14940 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
14943 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
14946 struct wireless_dev *wdev = dev->ieee80211_ptr;
14947 struct wiphy *wiphy = wdev->wiphy;
14948 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14949 const struct ieee80211_mgmt *mgmt = (void *)buf;
14952 if (WARN_ON(len < 2))
14955 if (ieee80211_is_deauth(mgmt->frame_control))
14956 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
14958 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
14960 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
14961 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
14964 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
14966 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
14967 struct net_device *netdev, int cmd,
14968 const u8 *addr, gfp_t gfp)
14970 struct sk_buff *msg;
14973 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14977 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14983 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14984 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14985 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
14986 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
14987 goto nla_put_failure;
14989 genlmsg_end(msg, hdr);
14991 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14992 NL80211_MCGRP_MLME, gfp);
14999 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
15000 struct net_device *netdev, const u8 *addr,
15003 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
15007 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
15008 struct net_device *netdev, const u8 *addr,
15011 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
15015 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
15016 struct net_device *netdev,
15017 struct cfg80211_connect_resp_params *cr,
15020 struct sk_buff *msg;
15023 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
15024 cr->fils.kek_len + cr->fils.pmk_len +
15025 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15029 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
15035 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15036 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15038 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
15039 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
15040 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
15043 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
15044 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
15045 cr->timeout_reason))) ||
15047 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
15049 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
15051 (cr->fils.update_erp_next_seq_num &&
15052 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15053 cr->fils.erp_next_seq_num)) ||
15054 (cr->status == WLAN_STATUS_SUCCESS &&
15056 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
15059 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
15061 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
15062 goto nla_put_failure;
15064 genlmsg_end(msg, hdr);
15066 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15067 NL80211_MCGRP_MLME, gfp);
15074 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
15075 struct net_device *netdev,
15076 struct cfg80211_roam_info *info, gfp_t gfp)
15078 struct sk_buff *msg;
15080 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
15082 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
15083 info->fils.kek_len + info->fils.pmk_len +
15084 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15088 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
15094 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15095 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15096 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
15098 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
15101 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
15103 (info->fils.update_erp_next_seq_num &&
15104 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15105 info->fils.erp_next_seq_num)) ||
15107 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
15108 info->fils.kek)) ||
15110 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
15111 (info->fils.pmkid &&
15112 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
15113 goto nla_put_failure;
15115 genlmsg_end(msg, hdr);
15117 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15118 NL80211_MCGRP_MLME, gfp);
15125 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
15126 struct net_device *netdev, const u8 *bssid)
15128 struct sk_buff *msg;
15131 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15135 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
15141 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15142 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15143 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15144 goto nla_put_failure;
15146 genlmsg_end(msg, hdr);
15148 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15149 NL80211_MCGRP_MLME, GFP_KERNEL);
15156 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
15157 struct net_device *netdev, u16 reason,
15158 const u8 *ie, size_t ie_len, bool from_ap)
15160 struct sk_buff *msg;
15163 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
15167 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
15173 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15174 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15176 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
15178 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
15179 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
15180 goto nla_put_failure;
15182 genlmsg_end(msg, hdr);
15184 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15185 NL80211_MCGRP_MLME, GFP_KERNEL);
15192 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
15193 struct net_device *netdev, const u8 *bssid,
15196 struct sk_buff *msg;
15199 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15203 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
15209 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15210 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15211 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15212 goto nla_put_failure;
15214 genlmsg_end(msg, hdr);
15216 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15217 NL80211_MCGRP_MLME, gfp);
15224 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
15225 const u8 *ie, u8 ie_len,
15226 int sig_dbm, gfp_t gfp)
15228 struct wireless_dev *wdev = dev->ieee80211_ptr;
15229 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15230 struct sk_buff *msg;
15233 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
15236 trace_cfg80211_notify_new_peer_candidate(dev, addr);
15238 msg = nlmsg_new(100 + ie_len, gfp);
15242 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
15248 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15249 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15250 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15252 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
15254 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
15255 goto nla_put_failure;
15257 genlmsg_end(msg, hdr);
15259 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15260 NL80211_MCGRP_MLME, gfp);
15266 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
15268 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
15269 struct net_device *netdev, const u8 *addr,
15270 enum nl80211_key_type key_type, int key_id,
15271 const u8 *tsc, gfp_t gfp)
15273 struct sk_buff *msg;
15276 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15280 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
15286 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15287 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15288 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
15289 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
15291 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
15292 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
15293 goto nla_put_failure;
15295 genlmsg_end(msg, hdr);
15297 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15298 NL80211_MCGRP_MLME, gfp);
15305 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
15306 struct ieee80211_channel *channel_before,
15307 struct ieee80211_channel *channel_after)
15309 struct sk_buff *msg;
15311 struct nlattr *nl_freq;
15313 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
15317 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
15324 * Since we are applying the beacon hint to a wiphy we know its
15325 * wiphy_idx is valid
15327 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
15328 goto nla_put_failure;
15331 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
15333 goto nla_put_failure;
15335 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
15336 goto nla_put_failure;
15337 nla_nest_end(msg, nl_freq);
15340 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
15342 goto nla_put_failure;
15344 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
15345 goto nla_put_failure;
15346 nla_nest_end(msg, nl_freq);
15348 genlmsg_end(msg, hdr);
15351 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15352 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15361 static void nl80211_send_remain_on_chan_event(
15362 int cmd, struct cfg80211_registered_device *rdev,
15363 struct wireless_dev *wdev, u64 cookie,
15364 struct ieee80211_channel *chan,
15365 unsigned int duration, gfp_t gfp)
15367 struct sk_buff *msg;
15370 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15374 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15380 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15381 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15382 wdev->netdev->ifindex)) ||
15383 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15384 NL80211_ATTR_PAD) ||
15385 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
15386 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
15387 NL80211_CHAN_NO_HT) ||
15388 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15390 goto nla_put_failure;
15392 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
15393 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
15394 goto nla_put_failure;
15396 genlmsg_end(msg, hdr);
15398 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15399 NL80211_MCGRP_MLME, gfp);
15406 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
15407 struct ieee80211_channel *chan,
15408 unsigned int duration, gfp_t gfp)
15410 struct wiphy *wiphy = wdev->wiphy;
15411 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15413 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
15414 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
15415 rdev, wdev, cookie, chan,
15418 EXPORT_SYMBOL(cfg80211_ready_on_channel);
15420 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
15421 struct ieee80211_channel *chan,
15424 struct wiphy *wiphy = wdev->wiphy;
15425 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15427 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
15428 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15429 rdev, wdev, cookie, chan, 0, gfp);
15431 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
15433 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
15434 struct ieee80211_channel *chan,
15437 struct wiphy *wiphy = wdev->wiphy;
15438 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15440 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
15441 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
15442 rdev, wdev, cookie, chan, 0, gfp);
15444 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
15446 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
15447 struct station_info *sinfo, gfp_t gfp)
15449 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15450 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15451 struct sk_buff *msg;
15453 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
15455 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15459 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
15460 rdev, dev, mac_addr, sinfo) < 0) {
15465 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15466 NL80211_MCGRP_MLME, gfp);
15468 EXPORT_SYMBOL(cfg80211_new_sta);
15470 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
15471 struct station_info *sinfo, gfp_t gfp)
15473 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15474 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15475 struct sk_buff *msg;
15476 struct station_info empty_sinfo = {};
15479 sinfo = &empty_sinfo;
15481 trace_cfg80211_del_sta(dev, mac_addr);
15483 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15485 cfg80211_sinfo_release_content(sinfo);
15489 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
15490 rdev, dev, mac_addr, sinfo) < 0) {
15495 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15496 NL80211_MCGRP_MLME, gfp);
15498 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
15500 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
15501 enum nl80211_connect_failed_reason reason,
15504 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15505 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15506 struct sk_buff *msg;
15509 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
15513 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
15519 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15520 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
15521 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
15522 goto nla_put_failure;
15524 genlmsg_end(msg, hdr);
15526 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15527 NL80211_MCGRP_MLME, gfp);
15533 EXPORT_SYMBOL(cfg80211_conn_failed);
15535 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
15536 const u8 *addr, gfp_t gfp)
15538 struct wireless_dev *wdev = dev->ieee80211_ptr;
15539 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15540 struct sk_buff *msg;
15542 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
15547 msg = nlmsg_new(100, gfp);
15551 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15557 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15558 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15559 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15560 goto nla_put_failure;
15562 genlmsg_end(msg, hdr);
15563 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15571 bool cfg80211_rx_spurious_frame(struct net_device *dev,
15572 const u8 *addr, gfp_t gfp)
15574 struct wireless_dev *wdev = dev->ieee80211_ptr;
15577 trace_cfg80211_rx_spurious_frame(dev, addr);
15579 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15580 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
15581 trace_cfg80211_return_bool(false);
15584 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
15586 trace_cfg80211_return_bool(ret);
15589 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
15591 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
15592 const u8 *addr, gfp_t gfp)
15594 struct wireless_dev *wdev = dev->ieee80211_ptr;
15597 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
15599 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15600 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
15601 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
15602 trace_cfg80211_return_bool(false);
15605 ret = __nl80211_unexpected_frame(dev,
15606 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
15608 trace_cfg80211_return_bool(ret);
15611 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
15613 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15614 struct wireless_dev *wdev, u32 nlportid,
15615 int freq, int sig_dbm,
15616 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
15618 struct net_device *netdev = wdev->netdev;
15619 struct sk_buff *msg;
15622 msg = nlmsg_new(100 + len, gfp);
15626 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
15632 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15633 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15634 netdev->ifindex)) ||
15635 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15636 NL80211_ATTR_PAD) ||
15637 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
15639 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
15640 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15642 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
15643 goto nla_put_failure;
15645 genlmsg_end(msg, hdr);
15647 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15654 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
15655 const u8 *buf, size_t len, bool ack, gfp_t gfp)
15657 struct wiphy *wiphy = wdev->wiphy;
15658 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15659 struct net_device *netdev = wdev->netdev;
15660 struct sk_buff *msg;
15663 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
15665 msg = nlmsg_new(100 + len, gfp);
15669 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
15675 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15676 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15677 netdev->ifindex)) ||
15678 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15679 NL80211_ATTR_PAD) ||
15680 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15681 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15682 NL80211_ATTR_PAD) ||
15683 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
15684 goto nla_put_failure;
15686 genlmsg_end(msg, hdr);
15688 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15689 NL80211_MCGRP_MLME, gfp);
15695 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
15697 static int __nl80211_rx_control_port(struct net_device *dev,
15698 struct sk_buff *skb,
15699 bool unencrypted, gfp_t gfp)
15701 struct wireless_dev *wdev = dev->ieee80211_ptr;
15702 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15703 struct ethhdr *ehdr = eth_hdr(skb);
15704 const u8 *addr = ehdr->h_source;
15705 u16 proto = be16_to_cpu(skb->protocol);
15706 struct sk_buff *msg;
15708 struct nlattr *frame;
15710 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
15715 msg = nlmsg_new(100 + skb->len, gfp);
15719 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
15725 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15726 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15727 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15728 NL80211_ATTR_PAD) ||
15729 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15730 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
15731 (unencrypted && nla_put_flag(msg,
15732 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
15733 goto nla_put_failure;
15735 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
15737 goto nla_put_failure;
15739 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
15740 genlmsg_end(msg, hdr);
15742 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15749 bool cfg80211_rx_control_port(struct net_device *dev,
15750 struct sk_buff *skb, bool unencrypted)
15754 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
15755 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
15756 trace_cfg80211_return_bool(ret == 0);
15759 EXPORT_SYMBOL(cfg80211_rx_control_port);
15761 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
15762 const char *mac, gfp_t gfp)
15764 struct wireless_dev *wdev = dev->ieee80211_ptr;
15765 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15766 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15772 cb = (void **)msg->cb;
15774 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
15780 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15781 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15782 goto nla_put_failure;
15784 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
15785 goto nla_put_failure;
15787 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
15789 goto nla_put_failure;
15799 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
15801 void **cb = (void **)msg->cb;
15802 struct cfg80211_registered_device *rdev = cb[2];
15804 nla_nest_end(msg, cb[1]);
15805 genlmsg_end(msg, cb[0]);
15807 memset(msg->cb, 0, sizeof(msg->cb));
15809 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15810 NL80211_MCGRP_MLME, gfp);
15813 void cfg80211_cqm_rssi_notify(struct net_device *dev,
15814 enum nl80211_cqm_rssi_threshold_event rssi_event,
15815 s32 rssi_level, gfp_t gfp)
15817 struct sk_buff *msg;
15818 struct wireless_dev *wdev = dev->ieee80211_ptr;
15819 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15821 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
15823 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
15824 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
15827 if (wdev->cqm_config) {
15828 wdev->cqm_config->last_rssi_event_value = rssi_level;
15830 cfg80211_cqm_rssi_update(rdev, dev);
15832 if (rssi_level == 0)
15833 rssi_level = wdev->cqm_config->last_rssi_event_value;
15836 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15840 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
15842 goto nla_put_failure;
15844 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
15846 goto nla_put_failure;
15848 cfg80211_send_cqm(msg, gfp);
15855 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
15857 void cfg80211_cqm_txe_notify(struct net_device *dev,
15858 const u8 *peer, u32 num_packets,
15859 u32 rate, u32 intvl, gfp_t gfp)
15861 struct sk_buff *msg;
15863 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15867 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
15868 goto nla_put_failure;
15870 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
15871 goto nla_put_failure;
15873 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
15874 goto nla_put_failure;
15876 cfg80211_send_cqm(msg, gfp);
15882 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
15884 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
15885 const u8 *peer, u32 num_packets, gfp_t gfp)
15887 struct sk_buff *msg;
15889 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
15891 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15895 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
15896 goto nla_put_failure;
15898 cfg80211_send_cqm(msg, gfp);
15904 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
15906 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
15908 struct sk_buff *msg;
15910 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15914 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
15915 goto nla_put_failure;
15917 cfg80211_send_cqm(msg, gfp);
15923 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
15925 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
15926 struct net_device *netdev, const u8 *bssid,
15927 const u8 *replay_ctr, gfp_t gfp)
15929 struct sk_buff *msg;
15930 struct nlattr *rekey_attr;
15933 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15937 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
15943 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15944 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15945 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15946 goto nla_put_failure;
15948 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
15950 goto nla_put_failure;
15952 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
15953 NL80211_REPLAY_CTR_LEN, replay_ctr))
15954 goto nla_put_failure;
15956 nla_nest_end(msg, rekey_attr);
15958 genlmsg_end(msg, hdr);
15960 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15961 NL80211_MCGRP_MLME, gfp);
15968 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
15969 const u8 *replay_ctr, gfp_t gfp)
15971 struct wireless_dev *wdev = dev->ieee80211_ptr;
15972 struct wiphy *wiphy = wdev->wiphy;
15973 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15975 trace_cfg80211_gtk_rekey_notify(dev, bssid);
15976 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
15978 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
15981 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
15982 struct net_device *netdev, int index,
15983 const u8 *bssid, bool preauth, gfp_t gfp)
15985 struct sk_buff *msg;
15986 struct nlattr *attr;
15989 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15993 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
15999 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16000 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16001 goto nla_put_failure;
16003 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
16005 goto nla_put_failure;
16007 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
16008 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
16010 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
16011 goto nla_put_failure;
16013 nla_nest_end(msg, attr);
16015 genlmsg_end(msg, hdr);
16017 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16018 NL80211_MCGRP_MLME, gfp);
16025 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
16026 const u8 *bssid, bool preauth, gfp_t gfp)
16028 struct wireless_dev *wdev = dev->ieee80211_ptr;
16029 struct wiphy *wiphy = wdev->wiphy;
16030 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16032 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
16033 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
16035 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
16037 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
16038 struct net_device *netdev,
16039 struct cfg80211_chan_def *chandef,
16041 enum nl80211_commands notif,
16044 struct sk_buff *msg;
16047 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16051 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
16057 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16058 goto nla_put_failure;
16060 if (nl80211_send_chandef(msg, chandef))
16061 goto nla_put_failure;
16063 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
16064 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
16065 goto nla_put_failure;
16067 genlmsg_end(msg, hdr);
16069 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16070 NL80211_MCGRP_MLME, gfp);
16077 void cfg80211_ch_switch_notify(struct net_device *dev,
16078 struct cfg80211_chan_def *chandef)
16080 struct wireless_dev *wdev = dev->ieee80211_ptr;
16081 struct wiphy *wiphy = wdev->wiphy;
16082 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16084 ASSERT_WDEV_LOCK(wdev);
16086 trace_cfg80211_ch_switch_notify(dev, chandef);
16088 wdev->chandef = *chandef;
16089 wdev->preset_chandef = *chandef;
16091 if (wdev->iftype == NL80211_IFTYPE_STATION &&
16092 !WARN_ON(!wdev->current_bss))
16093 wdev->current_bss->pub.channel = chandef->chan;
16095 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16096 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
16098 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
16100 void cfg80211_ch_switch_started_notify(struct net_device *dev,
16101 struct cfg80211_chan_def *chandef,
16104 struct wireless_dev *wdev = dev->ieee80211_ptr;
16105 struct wiphy *wiphy = wdev->wiphy;
16106 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16108 trace_cfg80211_ch_switch_started_notify(dev, chandef);
16110 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16111 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
16113 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
16116 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
16117 const struct cfg80211_chan_def *chandef,
16118 enum nl80211_radar_event event,
16119 struct net_device *netdev, gfp_t gfp)
16121 struct sk_buff *msg;
16124 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16128 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
16134 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16135 goto nla_put_failure;
16137 /* NOP and radar events don't need a netdev parameter */
16139 struct wireless_dev *wdev = netdev->ieee80211_ptr;
16141 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16142 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16144 goto nla_put_failure;
16147 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
16148 goto nla_put_failure;
16150 if (nl80211_send_chandef(msg, chandef))
16151 goto nla_put_failure;
16153 genlmsg_end(msg, hdr);
16155 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16156 NL80211_MCGRP_MLME, gfp);
16163 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
16164 struct sta_opmode_info *sta_opmode,
16167 struct sk_buff *msg;
16168 struct wireless_dev *wdev = dev->ieee80211_ptr;
16169 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16175 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16179 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
16185 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16186 goto nla_put_failure;
16188 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16189 goto nla_put_failure;
16191 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16192 goto nla_put_failure;
16194 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
16195 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
16196 goto nla_put_failure;
16198 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
16199 nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
16200 goto nla_put_failure;
16202 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
16203 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
16204 goto nla_put_failure;
16206 genlmsg_end(msg, hdr);
16208 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16209 NL80211_MCGRP_MLME, gfp);
16216 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
16218 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
16219 u64 cookie, bool acked, s32 ack_signal,
16220 bool is_valid_ack_signal, gfp_t gfp)
16222 struct wireless_dev *wdev = dev->ieee80211_ptr;
16223 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16224 struct sk_buff *msg;
16227 trace_cfg80211_probe_status(dev, addr, cookie, acked);
16229 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16234 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
16240 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16241 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16242 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16243 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16244 NL80211_ATTR_PAD) ||
16245 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
16246 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
16248 goto nla_put_failure;
16250 genlmsg_end(msg, hdr);
16252 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16253 NL80211_MCGRP_MLME, gfp);
16259 EXPORT_SYMBOL(cfg80211_probe_status);
16261 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
16262 const u8 *frame, size_t len,
16263 int freq, int sig_dbm)
16265 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16266 struct sk_buff *msg;
16268 struct cfg80211_beacon_registration *reg;
16270 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
16272 spin_lock_bh(&rdev->beacon_registrations_lock);
16273 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
16274 msg = nlmsg_new(len + 100, GFP_ATOMIC);
16276 spin_unlock_bh(&rdev->beacon_registrations_lock);
16280 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16282 goto nla_put_failure;
16284 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16286 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
16288 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16289 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
16290 goto nla_put_failure;
16292 genlmsg_end(msg, hdr);
16294 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
16296 spin_unlock_bh(&rdev->beacon_registrations_lock);
16300 spin_unlock_bh(&rdev->beacon_registrations_lock);
16303 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
16306 static int cfg80211_net_detect_results(struct sk_buff *msg,
16307 struct cfg80211_wowlan_wakeup *wakeup)
16309 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
16310 struct nlattr *nl_results, *nl_match, *nl_freqs;
16313 nl_results = nla_nest_start_noflag(msg,
16314 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
16318 for (i = 0; i < nd->n_matches; i++) {
16319 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
16321 nl_match = nla_nest_start_noflag(msg, i);
16325 /* The SSID attribute is optional in nl80211, but for
16326 * simplicity reasons it's always present in the
16327 * cfg80211 structure. If a driver can't pass the
16328 * SSID, that needs to be changed. A zero length SSID
16329 * is still a valid SSID (wildcard), so it cannot be
16330 * used for this purpose.
16332 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
16333 match->ssid.ssid)) {
16334 nla_nest_cancel(msg, nl_match);
16338 if (match->n_channels) {
16339 nl_freqs = nla_nest_start_noflag(msg,
16340 NL80211_ATTR_SCAN_FREQUENCIES);
16342 nla_nest_cancel(msg, nl_match);
16346 for (j = 0; j < match->n_channels; j++) {
16347 if (nla_put_u32(msg, j, match->channels[j])) {
16348 nla_nest_cancel(msg, nl_freqs);
16349 nla_nest_cancel(msg, nl_match);
16354 nla_nest_end(msg, nl_freqs);
16357 nla_nest_end(msg, nl_match);
16361 nla_nest_end(msg, nl_results);
16365 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
16366 struct cfg80211_wowlan_wakeup *wakeup,
16369 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16370 struct sk_buff *msg;
16374 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
16377 size += wakeup->packet_present_len;
16379 msg = nlmsg_new(size, gfp);
16383 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
16387 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16388 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16392 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16393 wdev->netdev->ifindex))
16397 struct nlattr *reasons;
16399 reasons = nla_nest_start_noflag(msg,
16400 NL80211_ATTR_WOWLAN_TRIGGERS);
16404 if (wakeup->disconnect &&
16405 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
16407 if (wakeup->magic_pkt &&
16408 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
16410 if (wakeup->gtk_rekey_failure &&
16411 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
16413 if (wakeup->eap_identity_req &&
16414 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
16416 if (wakeup->four_way_handshake &&
16417 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
16419 if (wakeup->rfkill_release &&
16420 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
16423 if (wakeup->pattern_idx >= 0 &&
16424 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
16425 wakeup->pattern_idx))
16428 if (wakeup->tcp_match &&
16429 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
16432 if (wakeup->tcp_connlost &&
16433 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
16436 if (wakeup->tcp_nomoretokens &&
16438 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
16441 if (wakeup->packet) {
16442 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
16443 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
16445 if (!wakeup->packet_80211) {
16447 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
16449 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
16452 if (wakeup->packet_len &&
16453 nla_put_u32(msg, len_attr, wakeup->packet_len))
16456 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
16461 if (wakeup->net_detect &&
16462 cfg80211_net_detect_results(msg, wakeup))
16465 nla_nest_end(msg, reasons);
16468 genlmsg_end(msg, hdr);
16470 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16471 NL80211_MCGRP_MLME, gfp);
16477 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
16480 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
16481 enum nl80211_tdls_operation oper,
16482 u16 reason_code, gfp_t gfp)
16484 struct wireless_dev *wdev = dev->ieee80211_ptr;
16485 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16486 struct sk_buff *msg;
16489 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
16492 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16496 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
16502 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16503 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16504 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
16505 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
16506 (reason_code > 0 &&
16507 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
16508 goto nla_put_failure;
16510 genlmsg_end(msg, hdr);
16512 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16513 NL80211_MCGRP_MLME, gfp);
16519 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
16521 static int nl80211_netlink_notify(struct notifier_block * nb,
16522 unsigned long state,
16525 struct netlink_notify *notify = _notify;
16526 struct cfg80211_registered_device *rdev;
16527 struct wireless_dev *wdev;
16528 struct cfg80211_beacon_registration *reg, *tmp;
16530 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
16531 return NOTIFY_DONE;
16535 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
16536 struct cfg80211_sched_scan_request *sched_scan_req;
16538 list_for_each_entry_rcu(sched_scan_req,
16539 &rdev->sched_scan_req_list,
16541 if (sched_scan_req->owner_nlportid == notify->portid) {
16542 sched_scan_req->nl_owner_dead = true;
16543 schedule_work(&rdev->sched_scan_stop_wk);
16547 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
16548 cfg80211_mlme_unregister_socket(wdev, notify->portid);
16550 if (wdev->owner_nlportid == notify->portid) {
16551 wdev->nl_owner_dead = true;
16552 schedule_work(&rdev->destroy_work);
16553 } else if (wdev->conn_owner_nlportid == notify->portid) {
16554 schedule_work(&wdev->disconnect_wk);
16557 cfg80211_release_pmsr(wdev, notify->portid);
16560 spin_lock_bh(&rdev->beacon_registrations_lock);
16561 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
16563 if (reg->nlportid == notify->portid) {
16564 list_del(®->list);
16569 spin_unlock_bh(&rdev->beacon_registrations_lock);
16575 * It is possible that the user space process that is controlling the
16576 * indoor setting disappeared, so notify the regulatory core.
16578 regulatory_netlink_notify(notify->portid);
16582 static struct notifier_block nl80211_netlink_notifier = {
16583 .notifier_call = nl80211_netlink_notify,
16586 void cfg80211_ft_event(struct net_device *netdev,
16587 struct cfg80211_ft_event_params *ft_event)
16589 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16590 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16591 struct sk_buff *msg;
16594 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
16596 if (!ft_event->target_ap)
16599 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
16604 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
16608 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16609 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16610 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
16613 if (ft_event->ies &&
16614 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
16616 if (ft_event->ric_ies &&
16617 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
16618 ft_event->ric_ies))
16621 genlmsg_end(msg, hdr);
16623 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16624 NL80211_MCGRP_MLME, GFP_KERNEL);
16629 EXPORT_SYMBOL(cfg80211_ft_event);
16631 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
16633 struct cfg80211_registered_device *rdev;
16634 struct sk_buff *msg;
16638 rdev = wiphy_to_rdev(wdev->wiphy);
16639 if (!rdev->crit_proto_nlportid)
16642 nlportid = rdev->crit_proto_nlportid;
16643 rdev->crit_proto_nlportid = 0;
16645 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16649 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
16651 goto nla_put_failure;
16653 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16654 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16656 goto nla_put_failure;
16658 genlmsg_end(msg, hdr);
16660 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16666 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
16668 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
16670 struct wiphy *wiphy = wdev->wiphy;
16671 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16672 struct sk_buff *msg;
16675 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16679 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
16683 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16684 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
16685 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16689 genlmsg_end(msg, hdr);
16691 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
16692 NL80211_MCGRP_MLME, GFP_KERNEL);
16698 int cfg80211_external_auth_request(struct net_device *dev,
16699 struct cfg80211_external_auth_params *params,
16702 struct wireless_dev *wdev = dev->ieee80211_ptr;
16703 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16704 struct sk_buff *msg;
16707 if (!wdev->conn_owner_nlportid)
16710 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16714 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
16716 goto nla_put_failure;
16718 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16719 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16720 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
16721 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
16723 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
16724 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
16725 params->ssid.ssid))
16726 goto nla_put_failure;
16728 genlmsg_end(msg, hdr);
16729 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
16730 wdev->conn_owner_nlportid);
16737 EXPORT_SYMBOL(cfg80211_external_auth_request);
16739 void cfg80211_update_owe_info_event(struct net_device *netdev,
16740 struct cfg80211_update_owe_info *owe_info,
16743 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16744 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16745 struct sk_buff *msg;
16748 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
16750 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16754 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
16756 goto nla_put_failure;
16758 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16759 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16760 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
16761 goto nla_put_failure;
16763 if (!owe_info->ie_len ||
16764 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
16765 goto nla_put_failure;
16767 genlmsg_end(msg, hdr);
16769 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16770 NL80211_MCGRP_MLME, gfp);
16774 genlmsg_cancel(msg, hdr);
16777 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
16779 /* initialisation/exit functions */
16781 int __init nl80211_init(void)
16785 err = genl_register_family(&nl80211_fam);
16789 err = netlink_register_notifier(&nl80211_netlink_notifier);
16795 genl_unregister_family(&nl80211_fam);
16799 void nl80211_exit(void)
16801 netlink_unregister_notifier(&nl80211_netlink_notifier);
16802 genl_unregister_family(&nl80211_fam);