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 (!(rdev->wiphy.interface_modes & (1 << type)) &&
3488 !(type == NL80211_IFTYPE_AP_VLAN && params.use_4addr &&
3489 rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP))
3492 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3496 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3500 wdev = rdev_add_virtual_intf(rdev,
3501 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3502 NET_NAME_USER, type, ¶ms);
3503 if (WARN_ON(!wdev)) {
3506 } else if (IS_ERR(wdev)) {
3508 return PTR_ERR(wdev);
3511 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3512 wdev->owner_nlportid = info->snd_portid;
3515 case NL80211_IFTYPE_MESH_POINT:
3516 if (!info->attrs[NL80211_ATTR_MESH_ID])
3519 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3520 IEEE80211_MAX_MESH_ID_LEN);
3521 wdev->mesh_id_up_len =
3522 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3523 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3524 wdev->mesh_id_up_len);
3527 case NL80211_IFTYPE_NAN:
3528 case NL80211_IFTYPE_P2P_DEVICE:
3530 * P2P Device and NAN do not have a netdev, so don't go
3531 * through the netdev notifier and must be added here
3533 cfg80211_init_wdev(rdev, wdev);
3539 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3540 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3545 return genlmsg_reply(msg, info);
3548 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3550 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3551 struct wireless_dev *wdev = info->user_ptr[1];
3553 if (!rdev->ops->del_virtual_intf)
3557 * If we remove a wireless device without a netdev then clear
3558 * user_ptr[1] so that nl80211_post_doit won't dereference it
3559 * to check if it needs to do dev_put(). Otherwise it crashes
3560 * since the wdev has been freed, unlike with a netdev where
3561 * we need the dev_put() for the netdev to really be freed.
3564 info->user_ptr[1] = NULL;
3566 return rdev_del_virtual_intf(rdev, wdev);
3569 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3571 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3572 struct net_device *dev = info->user_ptr[1];
3575 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3578 if (!rdev->ops->set_noack_map)
3581 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3583 return rdev_set_noack_map(rdev, dev, noack_map);
3586 struct get_key_cookie {
3587 struct sk_buff *msg;
3592 static void get_key_callback(void *c, struct key_params *params)
3595 struct get_key_cookie *cookie = c;
3598 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3599 params->key_len, params->key)) ||
3601 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3602 params->seq_len, params->seq)) ||
3604 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3606 goto nla_put_failure;
3608 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
3610 goto nla_put_failure;
3613 nla_put(cookie->msg, NL80211_KEY_DATA,
3614 params->key_len, params->key)) ||
3616 nla_put(cookie->msg, NL80211_KEY_SEQ,
3617 params->seq_len, params->seq)) ||
3619 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3621 goto nla_put_failure;
3623 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
3624 goto nla_put_failure;
3626 nla_nest_end(cookie->msg, key);
3633 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3635 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3637 struct net_device *dev = info->user_ptr[1];
3639 const u8 *mac_addr = NULL;
3641 struct get_key_cookie cookie = {
3645 struct sk_buff *msg;
3647 if (info->attrs[NL80211_ATTR_KEY_IDX])
3648 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3650 if (info->attrs[NL80211_ATTR_MAC])
3651 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3653 pairwise = !!mac_addr;
3654 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3655 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
3657 if (kt != NL80211_KEYTYPE_GROUP &&
3658 kt != NL80211_KEYTYPE_PAIRWISE)
3660 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3663 if (!rdev->ops->get_key)
3666 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3669 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3673 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3674 NL80211_CMD_NEW_KEY);
3676 goto nla_put_failure;
3679 cookie.idx = key_idx;
3681 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3682 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3683 goto nla_put_failure;
3685 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3686 goto nla_put_failure;
3688 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3695 goto nla_put_failure;
3697 genlmsg_end(msg, hdr);
3698 return genlmsg_reply(msg, info);
3707 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3709 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3710 struct key_parse key;
3712 struct net_device *dev = info->user_ptr[1];
3714 err = nl80211_parse_key(info, &key);
3721 /* Only support setting default key and
3722 * Extended Key ID action NL80211_KEY_SET_TX.
3724 if (!key.def && !key.defmgmt &&
3725 !(key.p.mode == NL80211_KEY_SET_TX))
3728 wdev_lock(dev->ieee80211_ptr);
3731 if (!rdev->ops->set_default_key) {
3736 err = nl80211_key_allowed(dev->ieee80211_ptr);
3740 err = rdev_set_default_key(rdev, dev, key.idx,
3741 key.def_uni, key.def_multi);
3746 #ifdef CONFIG_CFG80211_WEXT
3747 dev->ieee80211_ptr->wext.default_key = key.idx;
3749 } else if (key.defmgmt) {
3750 if (key.def_uni || !key.def_multi) {
3755 if (!rdev->ops->set_default_mgmt_key) {
3760 err = nl80211_key_allowed(dev->ieee80211_ptr);
3764 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
3768 #ifdef CONFIG_CFG80211_WEXT
3769 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
3771 } else if (key.p.mode == NL80211_KEY_SET_TX &&
3772 wiphy_ext_feature_isset(&rdev->wiphy,
3773 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
3774 u8 *mac_addr = NULL;
3776 if (info->attrs[NL80211_ATTR_MAC])
3777 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3779 if (!mac_addr || key.idx < 0 || key.idx > 1) {
3784 err = rdev_add_key(rdev, dev, key.idx,
3785 NL80211_KEYTYPE_PAIRWISE,
3791 wdev_unlock(dev->ieee80211_ptr);
3796 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3798 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3800 struct net_device *dev = info->user_ptr[1];
3801 struct key_parse key;
3802 const u8 *mac_addr = NULL;
3804 err = nl80211_parse_key(info, &key);
3811 if (info->attrs[NL80211_ATTR_MAC])
3812 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3814 if (key.type == -1) {
3816 key.type = NL80211_KEYTYPE_PAIRWISE;
3818 key.type = NL80211_KEYTYPE_GROUP;
3822 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3823 key.type != NL80211_KEYTYPE_GROUP)
3826 if (!rdev->ops->add_key)
3829 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3830 key.type == NL80211_KEYTYPE_PAIRWISE,
3834 wdev_lock(dev->ieee80211_ptr);
3835 err = nl80211_key_allowed(dev->ieee80211_ptr);
3837 err = rdev_add_key(rdev, dev, key.idx,
3838 key.type == NL80211_KEYTYPE_PAIRWISE,
3840 wdev_unlock(dev->ieee80211_ptr);
3845 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3847 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3849 struct net_device *dev = info->user_ptr[1];
3850 u8 *mac_addr = NULL;
3851 struct key_parse key;
3853 err = nl80211_parse_key(info, &key);
3857 if (info->attrs[NL80211_ATTR_MAC])
3858 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3860 if (key.type == -1) {
3862 key.type = NL80211_KEYTYPE_PAIRWISE;
3864 key.type = NL80211_KEYTYPE_GROUP;
3868 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3869 key.type != NL80211_KEYTYPE_GROUP)
3872 if (!rdev->ops->del_key)
3875 wdev_lock(dev->ieee80211_ptr);
3876 err = nl80211_key_allowed(dev->ieee80211_ptr);
3878 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
3879 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3883 err = rdev_del_key(rdev, dev, key.idx,
3884 key.type == NL80211_KEYTYPE_PAIRWISE,
3887 #ifdef CONFIG_CFG80211_WEXT
3889 if (key.idx == dev->ieee80211_ptr->wext.default_key)
3890 dev->ieee80211_ptr->wext.default_key = -1;
3891 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
3892 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
3895 wdev_unlock(dev->ieee80211_ptr);
3900 /* This function returns an error or the number of nested attributes */
3901 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
3903 struct nlattr *attr;
3904 int n_entries = 0, tmp;
3906 nla_for_each_nested(attr, nl_attr, tmp) {
3907 if (nla_len(attr) != ETH_ALEN)
3917 * This function parses ACL information and allocates memory for ACL data.
3918 * On successful return, the calling function is responsible to free the
3919 * ACL buffer returned by this function.
3921 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
3922 struct genl_info *info)
3924 enum nl80211_acl_policy acl_policy;
3925 struct nlattr *attr;
3926 struct cfg80211_acl_data *acl;
3927 int i = 0, n_entries, tmp;
3929 if (!wiphy->max_acl_mac_addrs)
3930 return ERR_PTR(-EOPNOTSUPP);
3932 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
3933 return ERR_PTR(-EINVAL);
3935 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
3936 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
3937 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
3938 return ERR_PTR(-EINVAL);
3940 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
3941 return ERR_PTR(-EINVAL);
3943 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
3945 return ERR_PTR(n_entries);
3947 if (n_entries > wiphy->max_acl_mac_addrs)
3948 return ERR_PTR(-ENOTSUPP);
3950 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
3952 return ERR_PTR(-ENOMEM);
3954 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
3955 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
3959 acl->n_acl_entries = n_entries;
3960 acl->acl_policy = acl_policy;
3965 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
3967 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3968 struct net_device *dev = info->user_ptr[1];
3969 struct cfg80211_acl_data *acl;
3972 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3973 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3976 if (!dev->ieee80211_ptr->beacon_interval)
3979 acl = parse_acl_data(&rdev->wiphy, info);
3981 return PTR_ERR(acl);
3983 err = rdev_set_mac_acl(rdev, dev, acl);
3990 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
3991 u8 *rates, u8 rates_len)
3996 for (i = 0; i < rates_len; i++) {
3997 int rate = (rates[i] & 0x7f) * 5;
4000 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4001 struct ieee80211_rate *srate =
4002 &sband->bitrates[ridx];
4003 if (rate == srate->bitrate) {
4008 if (ridx == sband->n_bitrates)
4009 return 0; /* rate not found */
4015 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4016 u8 *rates, u8 rates_len,
4017 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4021 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4023 for (i = 0; i < rates_len; i++) {
4026 ridx = rates[i] / 8;
4027 rbit = BIT(rates[i] % 8);
4029 /* check validity */
4030 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4033 /* check availability */
4034 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4035 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4044 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4048 switch (vht_mcs_map) {
4049 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4051 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4054 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4057 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4067 static void vht_build_mcs_mask(u16 vht_mcs_map,
4068 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4072 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4073 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4078 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4079 struct nl80211_txrate_vht *txrate,
4080 u16 mcs[NL80211_VHT_NSS_MAX])
4082 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4083 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4086 if (!sband->vht_cap.vht_supported)
4089 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4091 /* Build vht_mcs_mask from VHT capabilities */
4092 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4094 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4095 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4096 mcs[i] = txrate->mcs[i];
4104 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
4105 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
4106 .len = NL80211_MAX_SUPP_RATES },
4107 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
4108 .len = NL80211_MAX_SUPP_HT_RATES },
4109 [NL80211_TXRATE_VHT] = {
4110 .type = NLA_EXACT_LEN_WARN,
4111 .len = sizeof(struct nl80211_txrate_vht),
4113 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
4116 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4117 struct cfg80211_bitrate_mask *mask)
4119 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4120 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4122 struct nlattr *tx_rates;
4123 struct ieee80211_supported_band *sband;
4126 memset(mask, 0, sizeof(*mask));
4127 /* Default to all rates enabled */
4128 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4129 sband = rdev->wiphy.bands[i];
4134 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4135 memcpy(mask->control[i].ht_mcs,
4136 sband->ht_cap.mcs.rx_mask,
4137 sizeof(mask->control[i].ht_mcs));
4139 if (!sband->vht_cap.vht_supported)
4142 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4143 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4146 /* if no rates are given set it back to the defaults */
4147 if (!info->attrs[NL80211_ATTR_TX_RATES])
4150 /* The nested attribute uses enum nl80211_band as the index. This maps
4151 * directly to the enum nl80211_band values used in cfg80211.
4153 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4154 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
4155 enum nl80211_band band = nla_type(tx_rates);
4158 if (band < 0 || band >= NUM_NL80211_BANDS)
4160 sband = rdev->wiphy.bands[band];
4163 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4165 nl80211_txattr_policy,
4169 if (tb[NL80211_TXRATE_LEGACY]) {
4170 mask->control[band].legacy = rateset_to_mask(
4172 nla_data(tb[NL80211_TXRATE_LEGACY]),
4173 nla_len(tb[NL80211_TXRATE_LEGACY]));
4174 if ((mask->control[band].legacy == 0) &&
4175 nla_len(tb[NL80211_TXRATE_LEGACY]))
4178 if (tb[NL80211_TXRATE_HT]) {
4179 if (!ht_rateset_to_mask(
4181 nla_data(tb[NL80211_TXRATE_HT]),
4182 nla_len(tb[NL80211_TXRATE_HT]),
4183 mask->control[band].ht_mcs))
4186 if (tb[NL80211_TXRATE_VHT]) {
4187 if (!vht_set_mcs_mask(
4189 nla_data(tb[NL80211_TXRATE_VHT]),
4190 mask->control[band].vht_mcs))
4193 if (tb[NL80211_TXRATE_GI]) {
4194 mask->control[band].gi =
4195 nla_get_u8(tb[NL80211_TXRATE_GI]);
4196 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4200 if (mask->control[band].legacy == 0) {
4201 /* don't allow empty legacy rates if HT or VHT
4202 * are not even supported.
4204 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4205 rdev->wiphy.bands[band]->vht_cap.vht_supported))
4208 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4209 if (mask->control[band].ht_mcs[i])
4212 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4213 if (mask->control[band].vht_mcs[i])
4216 /* legacy and mcs rates may not be both empty */
4225 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4226 enum nl80211_band band,
4227 struct cfg80211_bitrate_mask *beacon_rate)
4229 u32 count_ht, count_vht, i;
4230 u32 rate = beacon_rate->control[band].legacy;
4232 /* Allow only one rate */
4233 if (hweight32(rate) > 1)
4237 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4238 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4240 } else if (beacon_rate->control[band].ht_mcs[i]) {
4245 if (count_ht && rate)
4250 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4251 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4253 } else if (beacon_rate->control[band].vht_mcs[i]) {
4258 if (count_vht && rate)
4262 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4266 !wiphy_ext_feature_isset(&rdev->wiphy,
4267 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4270 !wiphy_ext_feature_isset(&rdev->wiphy,
4271 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4274 !wiphy_ext_feature_isset(&rdev->wiphy,
4275 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4281 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4282 struct nlattr *attrs[],
4283 struct cfg80211_beacon_data *bcn)
4285 bool haveinfo = false;
4288 memset(bcn, 0, sizeof(*bcn));
4290 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4291 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4292 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4298 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4299 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4300 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4307 if (attrs[NL80211_ATTR_IE]) {
4308 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4309 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4312 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4313 bcn->proberesp_ies =
4314 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4315 bcn->proberesp_ies_len =
4316 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4319 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4320 bcn->assocresp_ies =
4321 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4322 bcn->assocresp_ies_len =
4323 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4326 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4327 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4328 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
4331 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4332 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4334 err = nla_parse_nested_deprecated(tb,
4335 NL80211_FTM_RESP_ATTR_MAX,
4336 attrs[NL80211_ATTR_FTM_RESPONDER],
4341 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4342 wiphy_ext_feature_isset(&rdev->wiphy,
4343 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4344 bcn->ftm_responder = 1;
4348 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4349 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4350 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4353 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4354 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4355 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4358 bcn->ftm_responder = -1;
4364 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
4372 for (i = 0; i < rates[1]; i++) {
4373 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
4374 params->ht_required = true;
4375 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
4376 params->vht_required = true;
4381 * Since the nl80211 API didn't include, from the beginning, attributes about
4382 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4383 * benefit of drivers that rebuild IEs in the firmware.
4385 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
4387 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
4388 size_t ies_len = bcn->tail_len;
4389 const u8 *ies = bcn->tail;
4393 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
4394 nl80211_check_ap_rate_selectors(params, rates);
4396 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
4397 nl80211_check_ap_rate_selectors(params, rates);
4399 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
4400 if (cap && cap[1] >= sizeof(*params->ht_cap))
4401 params->ht_cap = (void *)(cap + 2);
4402 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
4403 if (cap && cap[1] >= sizeof(*params->vht_cap))
4404 params->vht_cap = (void *)(cap + 2);
4405 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
4406 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
4407 params->he_cap = (void *)(cap + 3);
4410 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
4411 struct cfg80211_ap_settings *params)
4413 struct wireless_dev *wdev;
4416 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
4417 if (wdev->iftype != NL80211_IFTYPE_AP &&
4418 wdev->iftype != NL80211_IFTYPE_P2P_GO)
4421 if (!wdev->preset_chandef.chan)
4424 params->chandef = wdev->preset_chandef;
4432 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
4433 enum nl80211_auth_type auth_type,
4434 enum nl80211_commands cmd)
4436 if (auth_type > NL80211_AUTHTYPE_MAX)
4440 case NL80211_CMD_AUTHENTICATE:
4441 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4442 auth_type == NL80211_AUTHTYPE_SAE)
4444 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4445 NL80211_EXT_FEATURE_FILS_STA) &&
4446 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4447 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4448 auth_type == NL80211_AUTHTYPE_FILS_PK))
4451 case NL80211_CMD_CONNECT:
4452 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4453 !wiphy_ext_feature_isset(&rdev->wiphy,
4454 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
4455 auth_type == NL80211_AUTHTYPE_SAE)
4458 /* FILS with SK PFS or PK not supported yet */
4459 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4460 auth_type == NL80211_AUTHTYPE_FILS_PK)
4462 if (!wiphy_ext_feature_isset(
4464 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
4465 auth_type == NL80211_AUTHTYPE_FILS_SK)
4468 case NL80211_CMD_START_AP:
4469 /* SAE not supported yet */
4470 if (auth_type == NL80211_AUTHTYPE_SAE)
4472 /* FILS not supported yet */
4473 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4474 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4475 auth_type == NL80211_AUTHTYPE_FILS_PK)
4483 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
4485 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4486 struct net_device *dev = info->user_ptr[1];
4487 struct wireless_dev *wdev = dev->ieee80211_ptr;
4488 struct cfg80211_ap_settings params;
4491 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4492 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4495 if (!rdev->ops->start_ap)
4498 if (wdev->beacon_interval)
4501 memset(¶ms, 0, sizeof(params));
4503 /* these are required for START_AP */
4504 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
4505 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4506 !info->attrs[NL80211_ATTR_BEACON_HEAD])
4509 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
4513 params.beacon_interval =
4514 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4515 params.dtim_period =
4516 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
4518 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
4519 params.beacon_interval);
4524 * In theory, some of these attributes should be required here
4525 * but since they were not used when the command was originally
4526 * added, keep them optional for old user space programs to let
4527 * them continue to work with drivers that do not need the
4528 * additional information -- drivers must check!
4530 if (info->attrs[NL80211_ATTR_SSID]) {
4531 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4533 nla_len(info->attrs[NL80211_ATTR_SSID]);
4534 if (params.ssid_len == 0 ||
4535 params.ssid_len > IEEE80211_MAX_SSID_LEN)
4539 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
4540 params.hidden_ssid = nla_get_u32(
4541 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
4543 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4545 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4546 params.auth_type = nla_get_u32(
4547 info->attrs[NL80211_ATTR_AUTH_TYPE]);
4548 if (!nl80211_valid_auth_type(rdev, params.auth_type,
4549 NL80211_CMD_START_AP))
4552 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4554 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
4555 NL80211_MAX_NR_CIPHER_SUITES);
4559 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
4560 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
4562 params.inactivity_timeout = nla_get_u16(
4563 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
4566 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4567 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4569 params.p2p_ctwindow =
4570 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4571 if (params.p2p_ctwindow != 0 &&
4572 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4576 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4579 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4581 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4582 params.p2p_opp_ps = tmp;
4583 if (params.p2p_opp_ps != 0 &&
4584 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4588 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
4589 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
4592 } else if (wdev->preset_chandef.chan) {
4593 params.chandef = wdev->preset_chandef;
4594 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
4597 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
4601 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4602 err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate);
4606 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4607 ¶ms.beacon_rate);
4612 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4614 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4615 switch (params.smps_mode) {
4616 case NL80211_SMPS_OFF:
4618 case NL80211_SMPS_STATIC:
4619 if (!(rdev->wiphy.features &
4620 NL80211_FEATURE_STATIC_SMPS))
4623 case NL80211_SMPS_DYNAMIC:
4624 if (!(rdev->wiphy.features &
4625 NL80211_FEATURE_DYNAMIC_SMPS))
4632 params.smps_mode = NL80211_SMPS_OFF;
4635 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4636 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4639 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4640 params.acl = parse_acl_data(&rdev->wiphy, info);
4641 if (IS_ERR(params.acl))
4642 return PTR_ERR(params.acl);
4645 params.twt_responder =
4646 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
4648 nl80211_calculate_ap_params(¶ms);
4650 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
4651 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
4654 err = rdev_start_ap(rdev, dev, ¶ms);
4656 wdev->preset_chandef = params.chandef;
4657 wdev->beacon_interval = params.beacon_interval;
4658 wdev->chandef = params.chandef;
4659 wdev->ssid_len = params.ssid_len;
4660 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
4662 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4663 wdev->conn_owner_nlportid = info->snd_portid;
4672 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
4674 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4675 struct net_device *dev = info->user_ptr[1];
4676 struct wireless_dev *wdev = dev->ieee80211_ptr;
4677 struct cfg80211_beacon_data params;
4680 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4681 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4684 if (!rdev->ops->change_beacon)
4687 if (!wdev->beacon_interval)
4690 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
4695 err = rdev_change_beacon(rdev, dev, ¶ms);
4701 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
4703 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4704 struct net_device *dev = info->user_ptr[1];
4706 return cfg80211_stop_ap(rdev, dev, false);
4709 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4710 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4711 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4712 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
4713 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
4714 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
4715 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
4718 static int parse_station_flags(struct genl_info *info,
4719 enum nl80211_iftype iftype,
4720 struct station_parameters *params)
4722 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
4727 * Try parsing the new attribute first so userspace
4728 * can specify both for older kernels.
4730 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4732 struct nl80211_sta_flag_update *sta_flags;
4734 sta_flags = nla_data(nla);
4735 params->sta_flags_mask = sta_flags->mask;
4736 params->sta_flags_set = sta_flags->set;
4737 params->sta_flags_set &= params->sta_flags_mask;
4738 if ((params->sta_flags_mask |
4739 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4744 /* if present, parse the old attribute */
4746 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
4750 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
4754 * Only allow certain flags for interface types so that
4755 * other attributes are silently ignored. Remember that
4756 * this is backward compatibility code with old userspace
4757 * and shouldn't be hit in other cases anyway.
4760 case NL80211_IFTYPE_AP:
4761 case NL80211_IFTYPE_AP_VLAN:
4762 case NL80211_IFTYPE_P2P_GO:
4763 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4764 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4765 BIT(NL80211_STA_FLAG_WME) |
4766 BIT(NL80211_STA_FLAG_MFP);
4768 case NL80211_IFTYPE_P2P_CLIENT:
4769 case NL80211_IFTYPE_STATION:
4770 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4771 BIT(NL80211_STA_FLAG_TDLS_PEER);
4773 case NL80211_IFTYPE_MESH_POINT:
4774 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4775 BIT(NL80211_STA_FLAG_MFP) |
4776 BIT(NL80211_STA_FLAG_AUTHORIZED);
4782 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4784 params->sta_flags_set |= (1<<flag);
4786 /* no longer support new API additions in old API */
4787 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4795 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
4797 struct nlattr *rate;
4800 enum nl80211_rate_info rate_flg;
4802 rate = nla_nest_start_noflag(msg, attr);
4806 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4807 bitrate = cfg80211_calculate_bitrate(info);
4808 /* report 16-bit bitrate only if we can */
4809 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
4811 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4813 if (bitrate_compat > 0 &&
4814 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4818 case RATE_INFO_BW_5:
4819 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4821 case RATE_INFO_BW_10:
4822 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4827 case RATE_INFO_BW_20:
4830 case RATE_INFO_BW_40:
4831 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4833 case RATE_INFO_BW_80:
4834 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
4836 case RATE_INFO_BW_160:
4837 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
4839 case RATE_INFO_BW_HE_RU:
4841 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
4844 if (rate_flg && nla_put_flag(msg, rate_flg))
4847 if (info->flags & RATE_INFO_FLAGS_MCS) {
4848 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
4850 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4851 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4853 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
4854 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
4856 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
4858 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4859 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4861 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
4862 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
4864 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
4866 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
4868 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
4870 if (info->bw == RATE_INFO_BW_HE_RU &&
4871 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
4876 nla_nest_end(msg, rate);
4880 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
4889 attr = nla_nest_start_noflag(msg, id);
4893 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
4894 if (!(mask & BIT(i)))
4897 if (nla_put_u8(msg, i, signal[i]))
4901 nla_nest_end(msg, attr);
4906 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
4908 struct cfg80211_registered_device *rdev,
4909 struct net_device *dev,
4910 const u8 *mac_addr, struct station_info *sinfo)
4913 struct nlattr *sinfoattr, *bss_param;
4915 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
4917 cfg80211_sinfo_release_content(sinfo);
4921 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4922 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
4923 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
4924 goto nla_put_failure;
4926 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
4928 goto nla_put_failure;
4930 #define PUT_SINFO(attr, memb, type) do { \
4931 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4932 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
4933 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4935 goto nla_put_failure; \
4937 #define PUT_SINFO_U64(attr, memb) do { \
4938 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
4939 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4940 sinfo->memb, NL80211_STA_INFO_PAD)) \
4941 goto nla_put_failure; \
4944 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
4945 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
4947 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
4948 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
4949 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
4950 (u32)sinfo->rx_bytes))
4951 goto nla_put_failure;
4953 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
4954 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
4955 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
4956 (u32)sinfo->tx_bytes))
4957 goto nla_put_failure;
4959 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
4960 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
4961 PUT_SINFO(LLID, llid, u16);
4962 PUT_SINFO(PLID, plid, u16);
4963 PUT_SINFO(PLINK_STATE, plink_state, u8);
4964 PUT_SINFO_U64(RX_DURATION, rx_duration);
4965 PUT_SINFO_U64(TX_DURATION, tx_duration);
4967 if (wiphy_ext_feature_isset(&rdev->wiphy,
4968 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
4969 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
4971 switch (rdev->wiphy.signal_type) {
4972 case CFG80211_SIGNAL_TYPE_MBM:
4973 PUT_SINFO(SIGNAL, signal, u8);
4974 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
4979 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
4980 if (!nl80211_put_signal(msg, sinfo->chains,
4981 sinfo->chain_signal,
4982 NL80211_STA_INFO_CHAIN_SIGNAL))
4983 goto nla_put_failure;
4985 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
4986 if (!nl80211_put_signal(msg, sinfo->chains,
4987 sinfo->chain_signal_avg,
4988 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
4989 goto nla_put_failure;
4991 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
4992 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
4993 NL80211_STA_INFO_TX_BITRATE))
4994 goto nla_put_failure;
4996 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
4997 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
4998 NL80211_STA_INFO_RX_BITRATE))
4999 goto nla_put_failure;
5002 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5003 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5004 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5005 PUT_SINFO(TX_FAILED, tx_failed, u32);
5006 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5007 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5008 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5009 PUT_SINFO(LOCAL_PM, local_pm, u32);
5010 PUT_SINFO(PEER_PM, peer_pm, u32);
5011 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5012 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5014 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5015 bss_param = nla_nest_start_noflag(msg,
5016 NL80211_STA_INFO_BSS_PARAM);
5018 goto nla_put_failure;
5020 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5021 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5022 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5023 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5024 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5025 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5026 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5027 sinfo->bss_param.dtim_period) ||
5028 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5029 sinfo->bss_param.beacon_interval))
5030 goto nla_put_failure;
5032 nla_nest_end(msg, bss_param);
5034 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5035 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5036 sizeof(struct nl80211_sta_flag_update),
5038 goto nla_put_failure;
5040 PUT_SINFO_U64(T_OFFSET, t_offset);
5041 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5042 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5043 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5044 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5045 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5046 if (wiphy_ext_feature_isset(&rdev->wiphy,
5047 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5048 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5049 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5053 #undef PUT_SINFO_U64
5055 if (sinfo->pertid) {
5056 struct nlattr *tidsattr;
5059 tidsattr = nla_nest_start_noflag(msg,
5060 NL80211_STA_INFO_TID_STATS);
5062 goto nla_put_failure;
5064 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5065 struct cfg80211_tid_stats *tidstats;
5066 struct nlattr *tidattr;
5068 tidstats = &sinfo->pertid[tid];
5070 if (!tidstats->filled)
5073 tidattr = nla_nest_start_noflag(msg, tid + 1);
5075 goto nla_put_failure;
5077 #define PUT_TIDVAL_U64(attr, memb) do { \
5078 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5079 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5080 tidstats->memb, NL80211_TID_STATS_PAD)) \
5081 goto nla_put_failure; \
5084 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5085 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5086 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5087 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5089 #undef PUT_TIDVAL_U64
5090 if ((tidstats->filled &
5091 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5092 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5093 NL80211_TID_STATS_TXQ_STATS))
5094 goto nla_put_failure;
5096 nla_nest_end(msg, tidattr);
5099 nla_nest_end(msg, tidsattr);
5102 nla_nest_end(msg, sinfoattr);
5104 if (sinfo->assoc_req_ies_len &&
5105 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5106 sinfo->assoc_req_ies))
5107 goto nla_put_failure;
5109 cfg80211_sinfo_release_content(sinfo);
5110 genlmsg_end(msg, hdr);
5114 cfg80211_sinfo_release_content(sinfo);
5115 genlmsg_cancel(msg, hdr);
5119 static int nl80211_dump_station(struct sk_buff *skb,
5120 struct netlink_callback *cb)
5122 struct station_info sinfo;
5123 struct cfg80211_registered_device *rdev;
5124 struct wireless_dev *wdev;
5125 u8 mac_addr[ETH_ALEN];
5126 int sta_idx = cb->args[2];
5130 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5134 if (!wdev->netdev) {
5139 if (!rdev->ops->dump_station) {
5145 memset(&sinfo, 0, sizeof(sinfo));
5146 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
5153 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
5154 NETLINK_CB(cb->skb).portid,
5155 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5156 rdev, wdev->netdev, mac_addr,
5164 cb->args[2] = sta_idx;
5172 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5174 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5175 struct net_device *dev = info->user_ptr[1];
5176 struct station_info sinfo;
5177 struct sk_buff *msg;
5178 u8 *mac_addr = NULL;
5181 memset(&sinfo, 0, sizeof(sinfo));
5183 if (!info->attrs[NL80211_ATTR_MAC])
5186 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5188 if (!rdev->ops->get_station)
5191 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
5195 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5197 cfg80211_sinfo_release_content(&sinfo);
5201 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5202 info->snd_portid, info->snd_seq, 0,
5203 rdev, dev, mac_addr, &sinfo) < 0) {
5208 return genlmsg_reply(msg, info);
5211 int cfg80211_check_station_change(struct wiphy *wiphy,
5212 struct station_parameters *params,
5213 enum cfg80211_station_type statype)
5215 if (params->listen_interval != -1 &&
5216 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5219 if (params->support_p2p_ps != -1 &&
5220 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5224 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5225 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5228 /* When you run into this, adjust the code below for the new flag */
5229 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5232 case CFG80211_STA_MESH_PEER_KERNEL:
5233 case CFG80211_STA_MESH_PEER_USER:
5235 * No ignoring the TDLS flag here -- the userspace mesh
5236 * code doesn't have the bug of including TDLS in the
5239 if (params->sta_flags_mask &
5240 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5241 BIT(NL80211_STA_FLAG_MFP) |
5242 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5245 case CFG80211_STA_TDLS_PEER_SETUP:
5246 case CFG80211_STA_TDLS_PEER_ACTIVE:
5247 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5249 /* ignore since it can't change */
5250 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5253 /* disallow mesh-specific things */
5254 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5256 if (params->local_pm)
5258 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5262 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5263 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5264 /* TDLS can't be set, ... */
5265 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5268 * ... but don't bother the driver with it. This works around
5269 * a hostapd/wpa_supplicant issue -- it always includes the
5270 * TLDS_PEER flag in the mask even for AP mode.
5272 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5275 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5276 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5277 /* reject other things that can't change */
5278 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5280 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5282 if (params->supported_rates)
5284 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5289 if (statype != CFG80211_STA_AP_CLIENT &&
5290 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5296 case CFG80211_STA_AP_MLME_CLIENT:
5297 /* Use this only for authorizing/unauthorizing a station */
5298 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5301 case CFG80211_STA_AP_CLIENT:
5302 case CFG80211_STA_AP_CLIENT_UNASSOC:
5303 /* accept only the listed bits */
5304 if (params->sta_flags_mask &
5305 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5306 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5307 BIT(NL80211_STA_FLAG_ASSOCIATED) |
5308 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5309 BIT(NL80211_STA_FLAG_WME) |
5310 BIT(NL80211_STA_FLAG_MFP)))
5313 /* but authenticated/associated only if driver handles it */
5314 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5315 params->sta_flags_mask &
5316 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5317 BIT(NL80211_STA_FLAG_ASSOCIATED)))
5320 case CFG80211_STA_IBSS:
5321 case CFG80211_STA_AP_STA:
5322 /* reject any changes other than AUTHORIZED */
5323 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
5326 case CFG80211_STA_TDLS_PEER_SETUP:
5327 /* reject any changes other than AUTHORIZED or WME */
5328 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5329 BIT(NL80211_STA_FLAG_WME)))
5331 /* force (at least) rates when authorizing */
5332 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
5333 !params->supported_rates)
5336 case CFG80211_STA_TDLS_PEER_ACTIVE:
5337 /* reject any changes */
5339 case CFG80211_STA_MESH_PEER_KERNEL:
5340 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5343 case CFG80211_STA_MESH_PEER_USER:
5344 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
5345 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
5351 * Older kernel versions ignored this attribute entirely, so don't
5352 * reject attempts to update it but mark it as unused instead so the
5353 * driver won't look at the data.
5355 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
5356 statype != CFG80211_STA_TDLS_PEER_SETUP)
5357 params->opmode_notif_used = false;
5361 EXPORT_SYMBOL(cfg80211_check_station_change);
5364 * Get vlan interface making sure it is running and on the right wiphy.
5366 static struct net_device *get_vlan(struct genl_info *info,
5367 struct cfg80211_registered_device *rdev)
5369 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
5370 struct net_device *v;
5376 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
5378 return ERR_PTR(-ENODEV);
5380 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
5385 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5386 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5387 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5392 if (!netif_running(v)) {
5400 return ERR_PTR(ret);
5403 static const struct nla_policy
5404 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
5405 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
5406 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
5409 static int nl80211_parse_sta_wme(struct genl_info *info,
5410 struct station_parameters *params)
5412 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
5416 /* parse WME attributes if present */
5417 if (!info->attrs[NL80211_ATTR_STA_WME])
5420 nla = info->attrs[NL80211_ATTR_STA_WME];
5421 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
5422 nl80211_sta_wme_policy,
5427 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
5428 params->uapsd_queues = nla_get_u8(
5429 tb[NL80211_STA_WME_UAPSD_QUEUES]);
5430 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
5433 if (tb[NL80211_STA_WME_MAX_SP])
5434 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
5436 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
5439 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
5444 static int nl80211_parse_sta_channel_info(struct genl_info *info,
5445 struct station_parameters *params)
5447 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
5448 params->supported_channels =
5449 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5450 params->supported_channels_len =
5451 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5453 * Need to include at least one (first channel, number of
5454 * channels) tuple for each subband, and must have proper
5455 * tuples for the rest of the data as well.
5457 if (params->supported_channels_len < 2)
5459 if (params->supported_channels_len % 2)
5463 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
5464 params->supported_oper_classes =
5465 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5466 params->supported_oper_classes_len =
5467 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5469 * The value of the Length field of the Supported Operating
5470 * Classes element is between 2 and 253.
5472 if (params->supported_oper_classes_len < 2 ||
5473 params->supported_oper_classes_len > 253)
5479 static int nl80211_set_station_tdls(struct genl_info *info,
5480 struct station_parameters *params)
5483 /* Dummy STA entry gets updated once the peer capabilities are known */
5484 if (info->attrs[NL80211_ATTR_PEER_AID])
5485 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5486 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5488 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5489 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5491 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5492 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5494 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5495 params->he_capa_len =
5496 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5498 if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5502 err = nl80211_parse_sta_channel_info(info, params);
5506 return nl80211_parse_sta_wme(info, params);
5509 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
5510 struct station_parameters *params)
5512 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5515 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
5516 if (!rdev->ops->set_tx_power ||
5517 !wiphy_ext_feature_isset(&rdev->wiphy,
5518 NL80211_EXT_FEATURE_STA_TX_PWR))
5521 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
5522 params->txpwr.type = nla_get_u8(info->attrs[idx]);
5524 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
5525 idx = NL80211_ATTR_STA_TX_POWER;
5527 if (info->attrs[idx])
5528 params->txpwr.power =
5529 nla_get_s16(info->attrs[idx]);
5533 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
5539 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
5541 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5542 struct net_device *dev = info->user_ptr[1];
5543 struct station_parameters params;
5547 memset(¶ms, 0, sizeof(params));
5549 if (!rdev->ops->change_station)
5553 * AID and listen_interval properties can be set only for unassociated
5554 * station. Include these parameters here and will check them in
5555 * cfg80211_check_station_change().
5557 if (info->attrs[NL80211_ATTR_STA_AID])
5558 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5560 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5561 params.listen_interval =
5562 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5564 params.listen_interval = -1;
5566 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
5567 params.support_p2p_ps =
5568 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5570 params.support_p2p_ps = -1;
5572 if (!info->attrs[NL80211_ATTR_MAC])
5575 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5577 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
5578 params.supported_rates =
5579 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5580 params.supported_rates_len =
5581 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5584 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5586 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5587 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5590 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5592 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5593 params.ext_capab_len =
5594 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5597 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5600 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5601 params.plink_action =
5602 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5604 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
5605 params.plink_state =
5606 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
5607 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
5608 params.peer_aid = nla_get_u16(
5609 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
5610 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
5613 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
5614 params.local_pm = nla_get_u32(
5615 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
5617 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5618 params.opmode_notif_used = true;
5619 params.opmode_notif =
5620 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5623 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5624 params.airtime_weight =
5625 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5627 if (params.airtime_weight &&
5628 !wiphy_ext_feature_isset(&rdev->wiphy,
5629 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5632 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5636 /* Include parameters for TDLS peer (will check later) */
5637 err = nl80211_set_station_tdls(info, ¶ms);
5641 params.vlan = get_vlan(info, rdev);
5642 if (IS_ERR(params.vlan))
5643 return PTR_ERR(params.vlan);
5645 switch (dev->ieee80211_ptr->iftype) {
5646 case NL80211_IFTYPE_AP:
5647 case NL80211_IFTYPE_AP_VLAN:
5648 case NL80211_IFTYPE_P2P_GO:
5649 case NL80211_IFTYPE_P2P_CLIENT:
5650 case NL80211_IFTYPE_STATION:
5651 case NL80211_IFTYPE_ADHOC:
5652 case NL80211_IFTYPE_MESH_POINT:
5659 /* driver will call cfg80211_check_station_change() */
5660 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
5664 dev_put(params.vlan);
5669 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
5671 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5673 struct net_device *dev = info->user_ptr[1];
5674 struct station_parameters params;
5675 u8 *mac_addr = NULL;
5676 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5677 BIT(NL80211_STA_FLAG_ASSOCIATED);
5679 memset(¶ms, 0, sizeof(params));
5681 if (!rdev->ops->add_station)
5684 if (!info->attrs[NL80211_ATTR_MAC])
5687 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5690 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
5693 if (!info->attrs[NL80211_ATTR_STA_AID] &&
5694 !info->attrs[NL80211_ATTR_PEER_AID])
5697 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5698 params.supported_rates =
5699 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5700 params.supported_rates_len =
5701 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5702 params.listen_interval =
5703 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5705 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
5706 params.support_p2p_ps =
5707 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5710 * if not specified, assume it's supported for P2P GO interface,
5711 * and is NOT supported for AP interface
5713 params.support_p2p_ps =
5714 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
5717 if (info->attrs[NL80211_ATTR_PEER_AID])
5718 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5720 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5722 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5724 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5725 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5728 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5730 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5731 params.ext_capab_len =
5732 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5735 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5737 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5739 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5741 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5743 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5745 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5746 params.he_capa_len =
5747 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5749 /* max len is validated in nla policy */
5750 if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5754 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5755 params.opmode_notif_used = true;
5756 params.opmode_notif =
5757 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5760 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5761 params.plink_action =
5762 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5764 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5765 params.airtime_weight =
5766 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5768 if (params.airtime_weight &&
5769 !wiphy_ext_feature_isset(&rdev->wiphy,
5770 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5773 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5777 err = nl80211_parse_sta_channel_info(info, ¶ms);
5781 err = nl80211_parse_sta_wme(info, ¶ms);
5785 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5788 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5789 * as userspace might just pass through the capabilities from the IEs
5790 * directly, rather than enforcing this restriction and returning an
5791 * error in this case.
5793 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5794 params.ht_capa = NULL;
5795 params.vht_capa = NULL;
5797 /* HE requires WME */
5798 if (params.he_capa_len)
5802 /* When you run into this, adjust the code below for the new flag */
5803 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5805 switch (dev->ieee80211_ptr->iftype) {
5806 case NL80211_IFTYPE_AP:
5807 case NL80211_IFTYPE_AP_VLAN:
5808 case NL80211_IFTYPE_P2P_GO:
5809 /* ignore WME attributes if iface/sta is not capable */
5810 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5811 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5812 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5814 /* TDLS peers cannot be added */
5815 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5816 info->attrs[NL80211_ATTR_PEER_AID])
5818 /* but don't bother the driver with it */
5819 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5821 /* allow authenticated/associated only if driver handles it */
5822 if (!(rdev->wiphy.features &
5823 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5824 params.sta_flags_mask & auth_assoc)
5827 /* Older userspace, or userspace wanting to be compatible with
5828 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5829 * and assoc flags in the mask, but assumes the station will be
5830 * added as associated anyway since this was the required driver
5831 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5833 * In order to not bother drivers with this quirk in the API
5834 * set the flags in both the mask and set for new stations in
5837 if (!(params.sta_flags_mask & auth_assoc)) {
5838 params.sta_flags_mask |= auth_assoc;
5839 params.sta_flags_set |= auth_assoc;
5842 /* must be last in here for error handling */
5843 params.vlan = get_vlan(info, rdev);
5844 if (IS_ERR(params.vlan))
5845 return PTR_ERR(params.vlan);
5847 case NL80211_IFTYPE_MESH_POINT:
5848 /* ignore uAPSD data */
5849 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5851 /* associated is disallowed */
5852 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
5854 /* TDLS peers cannot be added */
5855 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5856 info->attrs[NL80211_ATTR_PEER_AID])
5859 case NL80211_IFTYPE_STATION:
5860 case NL80211_IFTYPE_P2P_CLIENT:
5861 /* ignore uAPSD data */
5862 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5864 /* these are disallowed */
5865 if (params.sta_flags_mask &
5866 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
5867 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
5869 /* Only TDLS peers can be added */
5870 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5872 /* Can only add if TDLS ... */
5873 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
5875 /* ... with external setup is supported */
5876 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
5879 * Older wpa_supplicant versions always mark the TDLS peer
5880 * as authorized, but it shouldn't yet be.
5882 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
5888 /* be aware of params.vlan when changing code here */
5890 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
5893 dev_put(params.vlan);
5897 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
5899 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5900 struct net_device *dev = info->user_ptr[1];
5901 struct station_del_parameters params;
5903 memset(¶ms, 0, sizeof(params));
5905 if (info->attrs[NL80211_ATTR_MAC])
5906 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5908 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5909 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5910 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
5911 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5914 if (!rdev->ops->del_station)
5917 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
5919 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
5920 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
5921 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
5924 /* Default to Deauthentication frame */
5925 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
5928 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
5929 params.reason_code =
5930 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5931 if (params.reason_code == 0)
5932 return -EINVAL; /* 0 is reserved */
5934 /* Default to reason code 2 */
5935 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
5938 return rdev_del_station(rdev, dev, ¶ms);
5941 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
5942 int flags, struct net_device *dev,
5943 u8 *dst, u8 *next_hop,
5944 struct mpath_info *pinfo)
5947 struct nlattr *pinfoattr;
5949 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
5953 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5954 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
5955 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
5956 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
5957 goto nla_put_failure;
5959 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
5961 goto nla_put_failure;
5962 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
5963 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
5965 goto nla_put_failure;
5966 if (((pinfo->filled & MPATH_INFO_SN) &&
5967 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
5968 ((pinfo->filled & MPATH_INFO_METRIC) &&
5969 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
5971 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
5972 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
5974 ((pinfo->filled & MPATH_INFO_FLAGS) &&
5975 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
5977 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
5978 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
5979 pinfo->discovery_timeout)) ||
5980 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
5981 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
5982 pinfo->discovery_retries)) ||
5983 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
5984 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
5985 pinfo->hop_count)) ||
5986 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
5987 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
5988 pinfo->path_change_count)))
5989 goto nla_put_failure;
5991 nla_nest_end(msg, pinfoattr);
5993 genlmsg_end(msg, hdr);
5997 genlmsg_cancel(msg, hdr);
6001 static int nl80211_dump_mpath(struct sk_buff *skb,
6002 struct netlink_callback *cb)
6004 struct mpath_info pinfo;
6005 struct cfg80211_registered_device *rdev;
6006 struct wireless_dev *wdev;
6008 u8 next_hop[ETH_ALEN];
6009 int path_idx = cb->args[2];
6013 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6017 if (!rdev->ops->dump_mpath) {
6022 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6028 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6035 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6036 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6037 wdev->netdev, dst, next_hop,
6045 cb->args[2] = path_idx;
6052 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6054 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6056 struct net_device *dev = info->user_ptr[1];
6057 struct mpath_info pinfo;
6058 struct sk_buff *msg;
6060 u8 next_hop[ETH_ALEN];
6062 memset(&pinfo, 0, sizeof(pinfo));
6064 if (!info->attrs[NL80211_ATTR_MAC])
6067 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6069 if (!rdev->ops->get_mpath)
6072 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6075 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6079 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6083 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6084 dev, dst, next_hop, &pinfo) < 0) {
6089 return genlmsg_reply(msg, info);
6092 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6094 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6095 struct net_device *dev = info->user_ptr[1];
6097 u8 *next_hop = NULL;
6099 if (!info->attrs[NL80211_ATTR_MAC])
6102 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6105 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6106 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6108 if (!rdev->ops->change_mpath)
6111 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6114 return rdev_change_mpath(rdev, dev, dst, next_hop);
6117 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6119 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6120 struct net_device *dev = info->user_ptr[1];
6122 u8 *next_hop = NULL;
6124 if (!info->attrs[NL80211_ATTR_MAC])
6127 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6130 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6131 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6133 if (!rdev->ops->add_mpath)
6136 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6139 return rdev_add_mpath(rdev, dev, dst, next_hop);
6142 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6144 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6145 struct net_device *dev = info->user_ptr[1];
6148 if (info->attrs[NL80211_ATTR_MAC])
6149 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6151 if (!rdev->ops->del_mpath)
6154 return rdev_del_mpath(rdev, dev, dst);
6157 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6159 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6161 struct net_device *dev = info->user_ptr[1];
6162 struct mpath_info pinfo;
6163 struct sk_buff *msg;
6167 memset(&pinfo, 0, sizeof(pinfo));
6169 if (!info->attrs[NL80211_ATTR_MAC])
6172 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6174 if (!rdev->ops->get_mpp)
6177 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6180 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6184 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6188 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6189 dev, dst, mpp, &pinfo) < 0) {
6194 return genlmsg_reply(msg, info);
6197 static int nl80211_dump_mpp(struct sk_buff *skb,
6198 struct netlink_callback *cb)
6200 struct mpath_info pinfo;
6201 struct cfg80211_registered_device *rdev;
6202 struct wireless_dev *wdev;
6205 int path_idx = cb->args[2];
6209 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6213 if (!rdev->ops->dump_mpp) {
6218 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6224 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6231 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6232 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6233 wdev->netdev, dst, mpp,
6241 cb->args[2] = path_idx;
6248 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6250 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6251 struct net_device *dev = info->user_ptr[1];
6252 struct wireless_dev *wdev = dev->ieee80211_ptr;
6253 struct bss_parameters params;
6256 memset(¶ms, 0, sizeof(params));
6257 /* default to not changing parameters */
6258 params.use_cts_prot = -1;
6259 params.use_short_preamble = -1;
6260 params.use_short_slot_time = -1;
6261 params.ap_isolate = -1;
6262 params.ht_opmode = -1;
6263 params.p2p_ctwindow = -1;
6264 params.p2p_opp_ps = -1;
6266 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6267 params.use_cts_prot =
6268 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6269 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6270 params.use_short_preamble =
6271 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6272 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6273 params.use_short_slot_time =
6274 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
6275 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6276 params.basic_rates =
6277 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6278 params.basic_rates_len =
6279 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6281 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6282 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
6283 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6285 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
6287 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6288 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6290 params.p2p_ctwindow =
6291 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
6292 if (params.p2p_ctwindow != 0 &&
6293 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
6297 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6300 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6302 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
6303 params.p2p_opp_ps = tmp;
6304 if (params.p2p_opp_ps &&
6305 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
6309 if (!rdev->ops->change_bss)
6312 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6313 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6317 err = rdev_change_bss(rdev, dev, ¶ms);
6323 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
6327 enum nl80211_user_reg_hint_type user_reg_hint_type;
6331 * You should only get this when cfg80211 hasn't yet initialized
6332 * completely when built-in to the kernel right between the time
6333 * window between nl80211_init() and regulatory_init(), if that is
6336 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
6337 return -EINPROGRESS;
6339 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
6340 user_reg_hint_type =
6341 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
6343 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
6345 switch (user_reg_hint_type) {
6346 case NL80211_USER_REG_HINT_USER:
6347 case NL80211_USER_REG_HINT_CELL_BASE:
6348 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6351 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6352 return regulatory_hint_user(data, user_reg_hint_type);
6353 case NL80211_USER_REG_HINT_INDOOR:
6354 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
6355 owner_nlportid = info->snd_portid;
6356 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
6362 return regulatory_hint_indoor(is_indoor, owner_nlportid);
6368 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
6370 return reg_reload_regdb();
6373 static int nl80211_get_mesh_config(struct sk_buff *skb,
6374 struct genl_info *info)
6376 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6377 struct net_device *dev = info->user_ptr[1];
6378 struct wireless_dev *wdev = dev->ieee80211_ptr;
6379 struct mesh_config cur_params;
6382 struct nlattr *pinfoattr;
6383 struct sk_buff *msg;
6385 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6388 if (!rdev->ops->get_mesh_config)
6392 /* If not connected, get default parameters */
6393 if (!wdev->mesh_id_len)
6394 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
6396 err = rdev_get_mesh_config(rdev, dev, &cur_params);
6402 /* Draw up a netlink message to send back */
6403 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6406 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6407 NL80211_CMD_GET_MESH_CONFIG);
6410 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
6412 goto nla_put_failure;
6413 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6414 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
6415 cur_params.dot11MeshRetryTimeout) ||
6416 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
6417 cur_params.dot11MeshConfirmTimeout) ||
6418 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
6419 cur_params.dot11MeshHoldingTimeout) ||
6420 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
6421 cur_params.dot11MeshMaxPeerLinks) ||
6422 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
6423 cur_params.dot11MeshMaxRetries) ||
6424 nla_put_u8(msg, NL80211_MESHCONF_TTL,
6425 cur_params.dot11MeshTTL) ||
6426 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
6427 cur_params.element_ttl) ||
6428 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6429 cur_params.auto_open_plinks) ||
6430 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6431 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
6432 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6433 cur_params.dot11MeshHWMPmaxPREQretries) ||
6434 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
6435 cur_params.path_refresh_time) ||
6436 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6437 cur_params.min_discovery_timeout) ||
6438 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6439 cur_params.dot11MeshHWMPactivePathTimeout) ||
6440 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6441 cur_params.dot11MeshHWMPpreqMinInterval) ||
6442 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6443 cur_params.dot11MeshHWMPperrMinInterval) ||
6444 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6445 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
6446 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
6447 cur_params.dot11MeshHWMPRootMode) ||
6448 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6449 cur_params.dot11MeshHWMPRannInterval) ||
6450 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6451 cur_params.dot11MeshGateAnnouncementProtocol) ||
6452 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
6453 cur_params.dot11MeshForwarding) ||
6454 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
6455 cur_params.rssi_threshold) ||
6456 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
6457 cur_params.ht_opmode) ||
6458 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6459 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
6460 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6461 cur_params.dot11MeshHWMProotInterval) ||
6462 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6463 cur_params.dot11MeshHWMPconfirmationInterval) ||
6464 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
6465 cur_params.power_mode) ||
6466 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
6467 cur_params.dot11MeshAwakeWindowDuration) ||
6468 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
6469 cur_params.plink_timeout) ||
6470 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
6471 cur_params.dot11MeshConnectedToMeshGate))
6472 goto nla_put_failure;
6473 nla_nest_end(msg, pinfoattr);
6474 genlmsg_end(msg, hdr);
6475 return genlmsg_reply(msg, info);
6483 static const struct nla_policy
6484 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
6485 [NL80211_MESHCONF_RETRY_TIMEOUT] =
6486 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6487 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
6488 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6489 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
6490 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6491 [NL80211_MESHCONF_MAX_PEER_LINKS] =
6492 NLA_POLICY_RANGE(NLA_U16, 0, 255),
6493 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
6494 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6495 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6496 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
6497 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
6498 NLA_POLICY_RANGE(NLA_U32, 1, 255),
6499 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
6500 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
6501 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
6502 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
6503 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
6504 NLA_POLICY_MIN(NLA_U16, 1),
6505 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
6506 NLA_POLICY_MIN(NLA_U16, 1),
6507 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
6508 NLA_POLICY_MIN(NLA_U16, 1),
6509 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
6510 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
6511 NLA_POLICY_MIN(NLA_U16, 1),
6512 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
6513 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
6514 [NL80211_MESHCONF_RSSI_THRESHOLD] =
6515 NLA_POLICY_RANGE(NLA_S32, -255, 0),
6516 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
6517 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
6518 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
6519 NLA_POLICY_MIN(NLA_U16, 1),
6520 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
6521 NLA_POLICY_MIN(NLA_U16, 1),
6522 [NL80211_MESHCONF_POWER_MODE] =
6523 NLA_POLICY_RANGE(NLA_U32,
6524 NL80211_MESH_POWER_ACTIVE,
6525 NL80211_MESH_POWER_MAX),
6526 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
6527 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
6528 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
6531 static const struct nla_policy
6532 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
6533 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
6534 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
6535 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
6536 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6537 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
6538 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
6539 [NL80211_MESH_SETUP_IE] =
6540 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
6541 IEEE80211_MAX_DATA_LEN),
6542 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
6545 static int nl80211_parse_mesh_config(struct genl_info *info,
6546 struct mesh_config *cfg,
6549 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
6553 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6556 cfg->param = fn(tb[attr]); \
6557 mask |= BIT((attr) - 1); \
6561 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
6563 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
6566 /* This makes sure that there aren't more than 32 mesh config
6567 * parameters (otherwise our bitfield scheme would not work.) */
6568 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
6570 /* Fill in the params struct */
6571 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
6572 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
6573 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
6574 NL80211_MESHCONF_CONFIRM_TIMEOUT,
6576 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
6577 NL80211_MESHCONF_HOLDING_TIMEOUT,
6579 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
6580 NL80211_MESHCONF_MAX_PEER_LINKS,
6582 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
6583 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
6584 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
6585 NL80211_MESHCONF_TTL, nla_get_u8);
6586 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
6587 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
6588 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
6589 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6591 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
6593 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6595 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
6596 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6598 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
6599 NL80211_MESHCONF_PATH_REFRESH_TIME,
6601 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
6602 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
6604 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
6605 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6607 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
6609 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6611 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
6612 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
6613 cfg->dot11MeshHWMPactivePathTimeout > 65535))
6615 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
6616 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6618 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
6619 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6621 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6622 dot11MeshHWMPnetDiameterTraversalTime, mask,
6623 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6625 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
6626 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
6627 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
6628 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6630 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
6631 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6633 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
6634 NL80211_MESHCONF_FORWARDING, nla_get_u8);
6635 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
6636 NL80211_MESHCONF_RSSI_THRESHOLD,
6638 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
6639 NL80211_MESHCONF_CONNECTED_TO_GATE,
6642 * Check HT operation mode based on
6643 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
6645 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
6646 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
6648 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
6649 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
6650 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
6653 /* NON_HT_STA bit is reserved, but some programs set it */
6654 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
6656 cfg->ht_opmode = ht_opmode;
6657 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
6659 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6660 dot11MeshHWMPactivePathToRootTimeout, mask,
6661 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6663 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
6664 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
6665 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
6667 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
6668 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6670 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
6672 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6674 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
6675 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
6676 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
6677 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
6678 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
6679 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
6685 #undef FILL_IN_MESH_PARAM_IF_SET
6688 static int nl80211_parse_mesh_setup(struct genl_info *info,
6689 struct mesh_setup *setup)
6691 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6692 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
6694 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
6696 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
6699 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
6700 setup->sync_method =
6701 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
6702 IEEE80211_SYNC_METHOD_VENDOR :
6703 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
6705 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
6706 setup->path_sel_proto =
6707 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
6708 IEEE80211_PATH_PROTOCOL_VENDOR :
6709 IEEE80211_PATH_PROTOCOL_HWMP;
6711 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
6712 setup->path_metric =
6713 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
6714 IEEE80211_PATH_METRIC_VENDOR :
6715 IEEE80211_PATH_METRIC_AIRTIME;
6717 if (tb[NL80211_MESH_SETUP_IE]) {
6718 struct nlattr *ieattr =
6719 tb[NL80211_MESH_SETUP_IE];
6720 setup->ie = nla_data(ieattr);
6721 setup->ie_len = nla_len(ieattr);
6723 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
6724 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
6726 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
6727 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
6728 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
6729 if (setup->is_secure)
6730 setup->user_mpm = true;
6732 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6733 if (!setup->user_mpm)
6736 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6742 static int nl80211_update_mesh_config(struct sk_buff *skb,
6743 struct genl_info *info)
6745 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6746 struct net_device *dev = info->user_ptr[1];
6747 struct wireless_dev *wdev = dev->ieee80211_ptr;
6748 struct mesh_config cfg;
6752 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6755 if (!rdev->ops->update_mesh_config)
6758 err = nl80211_parse_mesh_config(info, &cfg, &mask);
6763 if (!wdev->mesh_id_len)
6767 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
6774 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6775 struct sk_buff *msg)
6777 struct nlattr *nl_reg_rules;
6780 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6781 (regdom->dfs_region &&
6782 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
6783 goto nla_put_failure;
6785 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
6787 goto nla_put_failure;
6789 for (i = 0; i < regdom->n_reg_rules; i++) {
6790 struct nlattr *nl_reg_rule;
6791 const struct ieee80211_reg_rule *reg_rule;
6792 const struct ieee80211_freq_range *freq_range;
6793 const struct ieee80211_power_rule *power_rule;
6794 unsigned int max_bandwidth_khz;
6796 reg_rule = ®dom->reg_rules[i];
6797 freq_range = ®_rule->freq_range;
6798 power_rule = ®_rule->power_rule;
6800 nl_reg_rule = nla_nest_start_noflag(msg, i);
6802 goto nla_put_failure;
6804 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6805 if (!max_bandwidth_khz)
6806 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6809 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6811 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6812 freq_range->start_freq_khz) ||
6813 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6814 freq_range->end_freq_khz) ||
6815 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
6816 max_bandwidth_khz) ||
6817 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6818 power_rule->max_antenna_gain) ||
6819 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
6820 power_rule->max_eirp) ||
6821 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6822 reg_rule->dfs_cac_ms))
6823 goto nla_put_failure;
6825 nla_nest_end(msg, nl_reg_rule);
6828 nla_nest_end(msg, nl_reg_rules);
6835 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
6837 const struct ieee80211_regdomain *regdom = NULL;
6838 struct cfg80211_registered_device *rdev;
6839 struct wiphy *wiphy = NULL;
6840 struct sk_buff *msg;
6843 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6847 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6848 NL80211_CMD_GET_REG);
6852 if (info->attrs[NL80211_ATTR_WIPHY]) {
6855 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
6858 return PTR_ERR(rdev);
6861 wiphy = &rdev->wiphy;
6862 self_managed = wiphy->regulatory_flags &
6863 REGULATORY_WIPHY_SELF_MANAGED;
6864 regdom = get_wiphy_regdom(wiphy);
6866 /* a self-managed-reg device must have a private regdom */
6867 if (WARN_ON(!regdom && self_managed)) {
6873 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6874 goto nla_put_failure;
6877 if (!wiphy && reg_last_request_cell_base() &&
6878 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6879 NL80211_USER_REG_HINT_CELL_BASE))
6880 goto nla_put_failure;
6885 regdom = rcu_dereference(cfg80211_regdomain);
6887 if (nl80211_put_regdom(regdom, msg))
6888 goto nla_put_failure_rcu;
6892 genlmsg_end(msg, hdr);
6893 return genlmsg_reply(msg, info);
6895 nla_put_failure_rcu:
6903 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
6904 u32 seq, int flags, struct wiphy *wiphy,
6905 const struct ieee80211_regdomain *regdom)
6907 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
6908 NL80211_CMD_GET_REG);
6913 genl_dump_check_consistent(cb, hdr);
6915 if (nl80211_put_regdom(regdom, msg))
6916 goto nla_put_failure;
6918 if (!wiphy && reg_last_request_cell_base() &&
6919 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6920 NL80211_USER_REG_HINT_CELL_BASE))
6921 goto nla_put_failure;
6924 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6925 goto nla_put_failure;
6927 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
6928 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
6929 goto nla_put_failure;
6931 genlmsg_end(msg, hdr);
6935 genlmsg_cancel(msg, hdr);
6939 static int nl80211_get_reg_dump(struct sk_buff *skb,
6940 struct netlink_callback *cb)
6942 const struct ieee80211_regdomain *regdom = NULL;
6943 struct cfg80211_registered_device *rdev;
6944 int err, reg_idx, start = cb->args[2];
6948 if (cfg80211_regdomain && start == 0) {
6949 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6951 rtnl_dereference(cfg80211_regdomain));
6956 /* the global regdom is idx 0 */
6958 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
6959 regdom = get_wiphy_regdom(&rdev->wiphy);
6963 if (++reg_idx <= start)
6966 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6967 NLM_F_MULTI, &rdev->wiphy, regdom);
6974 cb->args[2] = reg_idx;
6981 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6982 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
6983 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6984 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6985 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6986 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6987 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6988 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6989 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
6992 static int parse_reg_rule(struct nlattr *tb[],
6993 struct ieee80211_reg_rule *reg_rule)
6995 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
6996 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
6998 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7000 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7002 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7004 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7006 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7009 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7011 freq_range->start_freq_khz =
7012 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7013 freq_range->end_freq_khz =
7014 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7015 freq_range->max_bandwidth_khz =
7016 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7018 power_rule->max_eirp =
7019 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7021 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7022 power_rule->max_antenna_gain =
7023 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7025 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7026 reg_rule->dfs_cac_ms =
7027 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7032 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7034 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7035 struct nlattr *nl_reg_rule;
7037 int rem_reg_rules, r;
7038 u32 num_rules = 0, rule_idx = 0;
7039 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7040 struct ieee80211_regdomain *rd;
7042 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7045 if (!info->attrs[NL80211_ATTR_REG_RULES])
7048 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7050 if (info->attrs[NL80211_ATTR_DFS_REGION])
7051 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7053 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7056 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7060 if (!reg_is_valid_request(alpha2))
7063 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7067 rd->n_reg_rules = num_rules;
7068 rd->alpha2[0] = alpha2[0];
7069 rd->alpha2[1] = alpha2[1];
7072 * Disable DFS master mode if the DFS region was
7073 * not supported or known on this kernel.
7075 if (reg_supported_dfs_region(dfs_region))
7076 rd->dfs_region = dfs_region;
7078 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7080 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7081 nl_reg_rule, reg_rule_policy,
7085 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7091 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7097 /* set_regdom takes ownership of rd */
7098 return set_regdom(rd, REGD_SOURCE_CRDA);
7103 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7105 static int validate_scan_freqs(struct nlattr *freqs)
7107 struct nlattr *attr1, *attr2;
7108 int n_channels = 0, tmp1, tmp2;
7110 nla_for_each_nested(attr1, freqs, tmp1)
7111 if (nla_len(attr1) != sizeof(u32))
7114 nla_for_each_nested(attr1, freqs, tmp1) {
7117 * Some hardware has a limited channel list for
7118 * scanning, and it is pretty much nonsensical
7119 * to scan for a channel twice, so disallow that
7120 * and don't require drivers to check that the
7121 * channel list they get isn't longer than what
7122 * they can scan, as long as they can scan all
7123 * the channels they registered at once.
7125 nla_for_each_nested(attr2, freqs, tmp2)
7126 if (attr1 != attr2 &&
7127 nla_get_u32(attr1) == nla_get_u32(attr2))
7134 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
7136 return b < NUM_NL80211_BANDS && wiphy->bands[b];
7139 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7140 struct cfg80211_bss_selection *bss_select)
7142 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7143 struct nlattr *nest;
7148 /* only process one nested attribute */
7149 nest = nla_data(nla);
7150 if (!nla_ok(nest, nla_len(nest)))
7153 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7154 nest, nl80211_bss_select_policy,
7159 /* only one attribute may be given */
7160 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7168 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7170 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7171 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7173 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7174 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7175 bss_select->param.band_pref =
7176 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7177 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7181 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7182 struct nl80211_bss_select_rssi_adjust *adj_param;
7184 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7185 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7186 bss_select->param.adjust.band = adj_param->band;
7187 bss_select->param.adjust.delta = adj_param->delta;
7188 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7192 /* user-space did not provide behaviour attribute */
7193 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7196 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7202 int nl80211_parse_random_mac(struct nlattr **attrs,
7203 u8 *mac_addr, u8 *mac_addr_mask)
7207 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
7208 eth_zero_addr(mac_addr);
7209 eth_zero_addr(mac_addr_mask);
7211 mac_addr_mask[0] = 0x3;
7216 /* need both or none */
7217 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7220 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7221 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7223 /* don't allow or configure an mcast address */
7224 if (!is_multicast_ether_addr(mac_addr_mask) ||
7225 is_multicast_ether_addr(mac_addr))
7229 * allow users to pass a MAC address that has bits set outside
7230 * of the mask, but don't bother drivers with having to deal
7233 for (i = 0; i < ETH_ALEN; i++)
7234 mac_addr[i] &= mac_addr_mask[i];
7239 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7241 ASSERT_WDEV_LOCK(wdev);
7243 if (!cfg80211_beaconing_iface_active(wdev))
7246 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7249 return regulatory_pre_cac_allowed(wdev->wiphy);
7252 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7253 enum nl80211_ext_feature_index feat)
7255 if (!(flags & flag))
7257 if (wiphy_ext_feature_isset(wiphy, feat))
7263 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7264 void *request, struct nlattr **attrs,
7267 u8 *mac_addr, *mac_addr_mask;
7269 enum nl80211_feature_flags randomness_flag;
7271 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7274 if (is_sched_scan) {
7275 struct cfg80211_sched_scan_request *req = request;
7277 randomness_flag = wdev ?
7278 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
7279 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7280 flags = &req->flags;
7281 mac_addr = req->mac_addr;
7282 mac_addr_mask = req->mac_addr_mask;
7284 struct cfg80211_scan_request *req = request;
7286 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
7287 flags = &req->flags;
7288 mac_addr = req->mac_addr;
7289 mac_addr_mask = req->mac_addr_mask;
7292 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
7294 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7295 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
7296 !nl80211_check_scan_feat(wiphy, *flags,
7297 NL80211_SCAN_FLAG_LOW_SPAN,
7298 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
7299 !nl80211_check_scan_feat(wiphy, *flags,
7300 NL80211_SCAN_FLAG_LOW_POWER,
7301 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
7302 !nl80211_check_scan_feat(wiphy, *flags,
7303 NL80211_SCAN_FLAG_HIGH_ACCURACY,
7304 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
7305 !nl80211_check_scan_feat(wiphy, *flags,
7306 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
7307 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
7308 !nl80211_check_scan_feat(wiphy, *flags,
7309 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
7310 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
7311 !nl80211_check_scan_feat(wiphy, *flags,
7312 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
7313 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
7314 !nl80211_check_scan_feat(wiphy, *flags,
7315 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
7316 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
7317 !nl80211_check_scan_feat(wiphy, *flags,
7318 NL80211_SCAN_FLAG_RANDOM_SN,
7319 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
7320 !nl80211_check_scan_feat(wiphy, *flags,
7321 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
7322 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
7325 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7328 if (!(wiphy->features & randomness_flag) ||
7329 (wdev && wdev->current_bss))
7332 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
7340 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
7342 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7343 struct wireless_dev *wdev = info->user_ptr[1];
7344 struct cfg80211_scan_request *request;
7345 struct nlattr *attr;
7346 struct wiphy *wiphy;
7347 int err, tmp, n_ssids = 0, n_channels, i;
7350 wiphy = &rdev->wiphy;
7352 if (wdev->iftype == NL80211_IFTYPE_NAN)
7355 if (!rdev->ops->scan)
7358 if (rdev->scan_req || rdev->scan_msg) {
7363 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7364 n_channels = validate_scan_freqs(
7365 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7371 n_channels = ieee80211_get_num_supported_channels(wiphy);
7374 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
7375 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
7378 if (n_ssids > wiphy->max_scan_ssids) {
7383 if (info->attrs[NL80211_ATTR_IE])
7384 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7388 if (ie_len > wiphy->max_scan_ie_len) {
7393 request = kzalloc(sizeof(*request)
7394 + sizeof(*request->ssids) * n_ssids
7395 + sizeof(*request->channels) * n_channels
7396 + ie_len, GFP_KERNEL);
7403 request->ssids = (void *)&request->channels[n_channels];
7404 request->n_ssids = n_ssids;
7407 request->ie = (void *)(request->ssids + n_ssids);
7409 request->ie = (void *)(request->channels + n_channels);
7413 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7414 /* user specified, bail out if channel not found */
7415 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
7416 struct ieee80211_channel *chan;
7418 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7425 /* ignore disabled channels */
7426 if (chan->flags & IEEE80211_CHAN_DISABLED)
7429 request->channels[i] = chan;
7433 enum nl80211_band band;
7436 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7439 if (!wiphy->bands[band])
7441 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7442 struct ieee80211_channel *chan;
7444 chan = &wiphy->bands[band]->channels[j];
7446 if (chan->flags & IEEE80211_CHAN_DISABLED)
7449 request->channels[i] = chan;
7460 request->n_channels = i;
7463 if (!cfg80211_off_channel_oper_allowed(wdev)) {
7464 struct ieee80211_channel *chan;
7466 if (request->n_channels != 1) {
7472 chan = request->channels[0];
7473 if (chan->center_freq != wdev->chandef.chan->center_freq) {
7483 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
7484 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7488 request->ssids[i].ssid_len = nla_len(attr);
7489 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
7494 if (info->attrs[NL80211_ATTR_IE]) {
7495 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7496 memcpy((void *)request->ie,
7497 nla_data(info->attrs[NL80211_ATTR_IE]),
7501 for (i = 0; i < NUM_NL80211_BANDS; i++)
7502 if (wiphy->bands[i])
7504 (1 << wiphy->bands[i]->n_bitrates) - 1;
7506 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
7507 nla_for_each_nested(attr,
7508 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
7510 enum nl80211_band band = nla_type(attr);
7512 if (band < 0 || band >= NUM_NL80211_BANDS) {
7517 if (!wiphy->bands[band])
7520 err = ieee80211_get_ratemask(wiphy->bands[band],
7523 &request->rates[band]);
7529 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
7530 if (!wiphy_ext_feature_isset(wiphy,
7531 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
7537 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
7538 request->duration_mandatory =
7539 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
7542 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
7548 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7550 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7551 * BSSID to scan for. This was problematic because that same attribute
7552 * was already used for another purpose (local random MAC address). The
7553 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7554 * compatibility with older userspace components, also use the
7555 * NL80211_ATTR_MAC value here if it can be determined to be used for
7556 * the specific BSSID use case instead of the random MAC address
7557 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7559 if (info->attrs[NL80211_ATTR_BSSID])
7560 memcpy(request->bssid,
7561 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
7562 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
7563 info->attrs[NL80211_ATTR_MAC])
7564 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
7567 eth_broadcast_addr(request->bssid);
7569 request->wdev = wdev;
7570 request->wiphy = &rdev->wiphy;
7571 request->scan_start = jiffies;
7573 rdev->scan_req = request;
7574 err = rdev_scan(rdev, request);
7577 nl80211_send_scan_start(rdev, wdev);
7579 dev_hold(wdev->netdev);
7582 rdev->scan_req = NULL;
7590 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
7592 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7593 struct wireless_dev *wdev = info->user_ptr[1];
7595 if (!rdev->ops->abort_scan)
7601 if (!rdev->scan_req)
7604 rdev_abort_scan(rdev, wdev);
7609 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
7610 struct cfg80211_sched_scan_request *request,
7611 struct nlattr **attrs)
7613 int tmp, err, i = 0;
7614 struct nlattr *attr;
7616 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7620 * If scan plans are not specified,
7621 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7622 * case one scan plan will be set with the specified scan
7623 * interval and infinite number of iterations.
7625 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
7629 request->scan_plans[0].interval =
7630 DIV_ROUND_UP(interval, MSEC_PER_SEC);
7631 if (!request->scan_plans[0].interval)
7634 if (request->scan_plans[0].interval >
7635 wiphy->max_sched_scan_plan_interval)
7636 request->scan_plans[0].interval =
7637 wiphy->max_sched_scan_plan_interval;
7642 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
7643 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
7645 if (WARN_ON(i >= n_plans))
7648 err = nla_parse_nested_deprecated(plan,
7649 NL80211_SCHED_SCAN_PLAN_MAX,
7650 attr, nl80211_plan_policy,
7655 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
7658 request->scan_plans[i].interval =
7659 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
7660 if (!request->scan_plans[i].interval ||
7661 request->scan_plans[i].interval >
7662 wiphy->max_sched_scan_plan_interval)
7665 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
7666 request->scan_plans[i].iterations =
7667 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
7668 if (!request->scan_plans[i].iterations ||
7669 (request->scan_plans[i].iterations >
7670 wiphy->max_sched_scan_plan_iterations))
7672 } else if (i < n_plans - 1) {
7674 * All scan plans but the last one must specify
7675 * a finite number of iterations
7684 * The last scan plan must not specify the number of
7685 * iterations, it is supposed to run infinitely
7687 if (request->scan_plans[n_plans - 1].iterations)
7694 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
7695 struct cfg80211_match_set *match_sets,
7696 struct nlattr *tb_band_rssi,
7699 struct nlattr *attr;
7700 int i, tmp, ret = 0;
7702 if (!wiphy_ext_feature_isset(wiphy,
7703 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
7707 for (i = 0; i < NUM_NL80211_BANDS; i++)
7708 match_sets->per_band_rssi_thold[i] =
7709 NL80211_SCAN_RSSI_THOLD_OFF;
7713 for (i = 0; i < NUM_NL80211_BANDS; i++)
7714 match_sets->per_band_rssi_thold[i] = rssi_thold;
7716 nla_for_each_nested(attr, tb_band_rssi, tmp) {
7717 enum nl80211_band band = nla_type(attr);
7719 if (band < 0 || band >= NUM_NL80211_BANDS)
7722 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
7728 static struct cfg80211_sched_scan_request *
7729 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
7730 struct nlattr **attrs, int max_match_sets)
7732 struct cfg80211_sched_scan_request *request;
7733 struct nlattr *attr;
7734 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
7735 enum nl80211_band band;
7737 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
7738 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
7740 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7741 n_channels = validate_scan_freqs(
7742 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7744 return ERR_PTR(-EINVAL);
7746 n_channels = ieee80211_get_num_supported_channels(wiphy);
7749 if (attrs[NL80211_ATTR_SCAN_SSIDS])
7750 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7754 if (n_ssids > wiphy->max_sched_scan_ssids)
7755 return ERR_PTR(-EINVAL);
7758 * First, count the number of 'real' matchsets. Due to an issue with
7759 * the old implementation, matchsets containing only the RSSI attribute
7760 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7761 * RSSI for all matchsets, rather than their own matchset for reporting
7762 * all APs with a strong RSSI. This is needed to be compatible with
7763 * older userspace that treated a matchset with only the RSSI as the
7764 * global RSSI for all other matchsets - if there are other matchsets.
7766 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7767 nla_for_each_nested(attr,
7768 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7770 struct nlattr *rssi;
7772 err = nla_parse_nested_deprecated(tb,
7773 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7775 nl80211_match_policy,
7778 return ERR_PTR(err);
7780 /* SSID and BSSID are mutually exclusive */
7781 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
7782 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
7783 return ERR_PTR(-EINVAL);
7785 /* add other standalone attributes here */
7786 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
7787 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
7791 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7793 default_match_rssi = nla_get_s32(rssi);
7797 /* However, if there's no other matchset, add the RSSI one */
7798 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
7801 if (n_match_sets > max_match_sets)
7802 return ERR_PTR(-EINVAL);
7804 if (attrs[NL80211_ATTR_IE])
7805 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
7809 if (ie_len > wiphy->max_sched_scan_ie_len)
7810 return ERR_PTR(-EINVAL);
7812 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7814 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7815 * each scan plan already specifies its own interval
7817 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7818 return ERR_PTR(-EINVAL);
7820 nla_for_each_nested(attr,
7821 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
7825 * The scan interval attribute is kept for backward
7826 * compatibility. If no scan plans are specified and sched scan
7827 * interval is specified, one scan plan will be set with this
7828 * scan interval and infinite number of iterations.
7830 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7831 return ERR_PTR(-EINVAL);
7836 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
7837 return ERR_PTR(-EINVAL);
7839 if (!wiphy_ext_feature_isset(
7840 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
7841 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
7842 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
7843 return ERR_PTR(-EINVAL);
7845 request = kzalloc(sizeof(*request)
7846 + sizeof(*request->ssids) * n_ssids
7847 + sizeof(*request->match_sets) * n_match_sets
7848 + sizeof(*request->scan_plans) * n_plans
7849 + sizeof(*request->channels) * n_channels
7850 + ie_len, GFP_KERNEL);
7852 return ERR_PTR(-ENOMEM);
7855 request->ssids = (void *)&request->channels[n_channels];
7856 request->n_ssids = n_ssids;
7859 request->ie = (void *)(request->ssids + n_ssids);
7861 request->ie = (void *)(request->channels + n_channels);
7866 request->match_sets = (void *)(request->ie + ie_len);
7868 request->match_sets =
7869 (void *)(request->ssids + n_ssids);
7871 request->match_sets =
7872 (void *)(request->channels + n_channels);
7874 request->n_match_sets = n_match_sets;
7877 request->scan_plans = (void *)(request->match_sets +
7879 else if (request->ie)
7880 request->scan_plans = (void *)(request->ie + ie_len);
7882 request->scan_plans = (void *)(request->ssids + n_ssids);
7884 request->scan_plans = (void *)(request->channels + n_channels);
7886 request->n_scan_plans = n_plans;
7889 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7890 /* user specified, bail out if channel not found */
7891 nla_for_each_nested(attr,
7892 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
7894 struct ieee80211_channel *chan;
7896 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7903 /* ignore disabled channels */
7904 if (chan->flags & IEEE80211_CHAN_DISABLED)
7907 request->channels[i] = chan;
7912 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7915 if (!wiphy->bands[band])
7917 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7918 struct ieee80211_channel *chan;
7920 chan = &wiphy->bands[band]->channels[j];
7922 if (chan->flags & IEEE80211_CHAN_DISABLED)
7925 request->channels[i] = chan;
7936 request->n_channels = i;
7940 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7942 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7946 request->ssids[i].ssid_len = nla_len(attr);
7947 memcpy(request->ssids[i].ssid, nla_data(attr),
7954 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7955 nla_for_each_nested(attr,
7956 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7958 struct nlattr *ssid, *bssid, *rssi;
7960 err = nla_parse_nested_deprecated(tb,
7961 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7963 nl80211_match_policy,
7967 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
7968 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
7970 if (!ssid && !bssid) {
7975 if (WARN_ON(i >= n_match_sets)) {
7976 /* this indicates a programming error,
7977 * the loop above should have verified
7985 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
7989 memcpy(request->match_sets[i].ssid.ssid,
7990 nla_data(ssid), nla_len(ssid));
7991 request->match_sets[i].ssid.ssid_len =
7995 if (nla_len(bssid) != ETH_ALEN) {
7999 memcpy(request->match_sets[i].bssid,
8000 nla_data(bssid), ETH_ALEN);
8003 /* special attribute - old implementation w/a */
8004 request->match_sets[i].rssi_thold = default_match_rssi;
8005 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8007 request->match_sets[i].rssi_thold =
8010 /* Parse per band RSSI attribute */
8011 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8012 &request->match_sets[i],
8013 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8014 request->match_sets[i].rssi_thold);
8021 /* there was no other matchset, so the RSSI one is alone */
8022 if (i == 0 && n_match_sets)
8023 request->match_sets[0].rssi_thold = default_match_rssi;
8025 request->min_rssi_thold = INT_MAX;
8026 for (i = 0; i < n_match_sets; i++)
8027 request->min_rssi_thold =
8028 min(request->match_sets[i].rssi_thold,
8029 request->min_rssi_thold);
8031 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8035 request->ie_len = ie_len;
8036 memcpy((void *)request->ie,
8037 nla_data(attrs[NL80211_ATTR_IE]),
8041 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8045 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8047 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8049 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8050 request->relative_rssi = nla_get_s8(
8051 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8052 request->relative_rssi_set = true;
8055 if (request->relative_rssi_set &&
8056 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8057 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8059 rssi_adjust = nla_data(
8060 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8061 request->rssi_adjust.band = rssi_adjust->band;
8062 request->rssi_adjust.delta = rssi_adjust->delta;
8063 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8069 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8073 request->scan_start = jiffies;
8079 return ERR_PTR(err);
8082 static int nl80211_start_sched_scan(struct sk_buff *skb,
8083 struct genl_info *info)
8085 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8086 struct net_device *dev = info->user_ptr[1];
8087 struct wireless_dev *wdev = dev->ieee80211_ptr;
8088 struct cfg80211_sched_scan_request *sched_scan_req;
8092 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8095 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8096 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8100 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8102 rdev->wiphy.max_match_sets);
8104 err = PTR_ERR_OR_ZERO(sched_scan_req);
8108 /* leave request id zero for legacy request
8109 * or if driver does not support multi-scheduled scan
8111 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) {
8112 while (!sched_scan_req->reqid)
8113 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8116 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
8120 sched_scan_req->dev = dev;
8121 sched_scan_req->wiphy = &rdev->wiphy;
8123 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8124 sched_scan_req->owner_nlportid = info->snd_portid;
8126 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
8128 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
8132 kfree(sched_scan_req);
8137 static int nl80211_stop_sched_scan(struct sk_buff *skb,
8138 struct genl_info *info)
8140 struct cfg80211_sched_scan_request *req;
8141 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8144 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
8147 if (info->attrs[NL80211_ATTR_COOKIE]) {
8148 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8149 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8152 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8153 struct cfg80211_sched_scan_request,
8155 if (!req || req->reqid ||
8156 (req->owner_nlportid &&
8157 req->owner_nlportid != info->snd_portid))
8160 return cfg80211_stop_sched_scan_req(rdev, req, false);
8163 static int nl80211_start_radar_detection(struct sk_buff *skb,
8164 struct genl_info *info)
8166 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8167 struct net_device *dev = info->user_ptr[1];
8168 struct wireless_dev *wdev = dev->ieee80211_ptr;
8169 struct wiphy *wiphy = wdev->wiphy;
8170 struct cfg80211_chan_def chandef;
8171 enum nl80211_dfs_regions dfs_region;
8172 unsigned int cac_time_ms;
8175 dfs_region = reg_get_dfs_region(wiphy);
8176 if (dfs_region == NL80211_DFS_UNSET)
8179 err = nl80211_parse_chandef(rdev, info, &chandef);
8183 if (netif_carrier_ok(dev))
8186 if (wdev->cac_started)
8189 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8196 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
8199 /* CAC start is offloaded to HW and can't be started manually */
8200 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8203 if (!rdev->ops->start_radar_detection)
8206 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8207 if (WARN_ON(!cac_time_ms))
8208 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8210 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
8212 wdev->chandef = chandef;
8213 wdev->cac_started = true;
8214 wdev->cac_start_time = jiffies;
8215 wdev->cac_time_ms = cac_time_ms;
8220 static int nl80211_notify_radar_detection(struct sk_buff *skb,
8221 struct genl_info *info)
8223 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8224 struct net_device *dev = info->user_ptr[1];
8225 struct wireless_dev *wdev = dev->ieee80211_ptr;
8226 struct wiphy *wiphy = wdev->wiphy;
8227 struct cfg80211_chan_def chandef;
8228 enum nl80211_dfs_regions dfs_region;
8231 dfs_region = reg_get_dfs_region(wiphy);
8232 if (dfs_region == NL80211_DFS_UNSET) {
8233 GENL_SET_ERR_MSG(info,
8234 "DFS Region is not set. Unexpected Radar indication");
8238 err = nl80211_parse_chandef(rdev, info, &chandef);
8240 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8244 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8246 GENL_SET_ERR_MSG(info, "chandef is invalid");
8251 GENL_SET_ERR_MSG(info,
8252 "Unexpected Radar indication for chandef/iftype");
8256 /* Do not process this notification if radar is already detected
8257 * by kernel on this channel, and return success.
8259 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8262 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8264 cfg80211_sched_dfs_chan_update(rdev);
8266 rdev->radar_chandef = chandef;
8268 /* Propagate this notification to other radios as well */
8269 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8274 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8276 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8277 struct net_device *dev = info->user_ptr[1];
8278 struct wireless_dev *wdev = dev->ieee80211_ptr;
8279 struct cfg80211_csa_settings params;
8280 /* csa_attrs is defined static to avoid waste of stack size - this
8281 * function is called under RTNL lock, so this should not be a problem.
8283 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
8285 bool need_new_beacon = false;
8286 bool need_handle_dfs_flag = true;
8290 if (!rdev->ops->channel_switch ||
8291 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
8294 switch (dev->ieee80211_ptr->iftype) {
8295 case NL80211_IFTYPE_AP:
8296 case NL80211_IFTYPE_P2P_GO:
8297 need_new_beacon = true;
8298 /* For all modes except AP the handle_dfs flag needs to be
8299 * supplied to tell the kernel that userspace will handle radar
8300 * events when they happen. Otherwise a switch to a channel
8301 * requiring DFS will be rejected.
8303 need_handle_dfs_flag = false;
8305 /* useless if AP is not running */
8306 if (!wdev->beacon_interval)
8309 case NL80211_IFTYPE_ADHOC:
8310 if (!wdev->ssid_len)
8313 case NL80211_IFTYPE_MESH_POINT:
8314 if (!wdev->mesh_id_len)
8321 memset(¶ms, 0, sizeof(params));
8322 params.beacon_csa.ftm_responder = -1;
8324 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8325 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
8328 /* only important for AP, IBSS and mesh create IEs internally */
8329 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
8332 /* Even though the attribute is u32, the specification says
8333 * u8, so let's make sure we don't overflow.
8335 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
8339 params.count = cs_count;
8341 if (!need_new_beacon)
8344 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
8348 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
8349 info->attrs[NL80211_ATTR_CSA_IES],
8350 nl80211_policy, info->extack);
8354 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
8358 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
8361 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8362 if (!len || (len % sizeof(u16)))
8365 params.n_counter_offsets_beacon = len / sizeof(u16);
8366 if (rdev->wiphy.max_num_csa_counters &&
8367 (params.n_counter_offsets_beacon >
8368 rdev->wiphy.max_num_csa_counters))
8371 params.counter_offsets_beacon =
8372 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8374 /* sanity checks - counters should fit and be the same */
8375 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
8376 u16 offset = params.counter_offsets_beacon[i];
8378 if (offset >= params.beacon_csa.tail_len)
8381 if (params.beacon_csa.tail[offset] != params.count)
8385 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
8386 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8387 if (!len || (len % sizeof(u16)))
8390 params.n_counter_offsets_presp = len / sizeof(u16);
8391 if (rdev->wiphy.max_num_csa_counters &&
8392 (params.n_counter_offsets_presp >
8393 rdev->wiphy.max_num_csa_counters))
8396 params.counter_offsets_presp =
8397 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8399 /* sanity checks - counters should fit and be the same */
8400 for (i = 0; i < params.n_counter_offsets_presp; i++) {
8401 u16 offset = params.counter_offsets_presp[i];
8403 if (offset >= params.beacon_csa.probe_resp_len)
8406 if (params.beacon_csa.probe_resp[offset] !=
8413 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
8417 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
8421 err = cfg80211_chandef_dfs_required(wdev->wiphy,
8428 params.radar_required = true;
8429 if (need_handle_dfs_flag &&
8430 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
8435 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
8436 params.block_tx = true;
8439 err = rdev_channel_switch(rdev, dev, ¶ms);
8445 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
8447 struct cfg80211_registered_device *rdev,
8448 struct wireless_dev *wdev,
8449 struct cfg80211_internal_bss *intbss)
8451 struct cfg80211_bss *res = &intbss->pub;
8452 const struct cfg80211_bss_ies *ies;
8456 ASSERT_WDEV_LOCK(wdev);
8458 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8459 NL80211_CMD_NEW_SCAN_RESULTS);
8463 genl_dump_check_consistent(cb, hdr);
8465 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
8466 goto nla_put_failure;
8468 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
8469 goto nla_put_failure;
8470 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
8472 goto nla_put_failure;
8474 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
8476 goto nla_put_failure;
8477 if ((!is_zero_ether_addr(res->bssid) &&
8478 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
8479 goto nla_put_failure;
8482 /* indicate whether we have probe response data or not */
8483 if (rcu_access_pointer(res->proberesp_ies) &&
8484 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
8485 goto fail_unlock_rcu;
8487 /* this pointer prefers to be pointed to probe response data
8488 * but is always valid
8490 ies = rcu_dereference(res->ies);
8492 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
8494 goto fail_unlock_rcu;
8495 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
8496 ies->len, ies->data))
8497 goto fail_unlock_rcu;
8500 /* and this pointer is always (unless driver didn't know) beacon data */
8501 ies = rcu_dereference(res->beacon_ies);
8502 if (ies && ies->from_beacon) {
8503 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
8505 goto fail_unlock_rcu;
8506 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
8507 ies->len, ies->data))
8508 goto fail_unlock_rcu;
8512 if (res->beacon_interval &&
8513 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
8514 goto nla_put_failure;
8515 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
8516 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
8517 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
8518 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
8519 jiffies_to_msecs(jiffies - intbss->ts)))
8520 goto nla_put_failure;
8522 if (intbss->parent_tsf &&
8523 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
8524 intbss->parent_tsf, NL80211_BSS_PAD) ||
8525 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
8526 intbss->parent_bssid)))
8527 goto nla_put_failure;
8529 if (intbss->ts_boottime &&
8530 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
8531 intbss->ts_boottime, NL80211_BSS_PAD))
8532 goto nla_put_failure;
8534 if (!nl80211_put_signal(msg, intbss->pub.chains,
8535 intbss->pub.chain_signal,
8536 NL80211_BSS_CHAIN_SIGNAL))
8537 goto nla_put_failure;
8539 switch (rdev->wiphy.signal_type) {
8540 case CFG80211_SIGNAL_TYPE_MBM:
8541 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
8542 goto nla_put_failure;
8544 case CFG80211_SIGNAL_TYPE_UNSPEC:
8545 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
8546 goto nla_put_failure;
8552 switch (wdev->iftype) {
8553 case NL80211_IFTYPE_P2P_CLIENT:
8554 case NL80211_IFTYPE_STATION:
8555 if (intbss == wdev->current_bss &&
8556 nla_put_u32(msg, NL80211_BSS_STATUS,
8557 NL80211_BSS_STATUS_ASSOCIATED))
8558 goto nla_put_failure;
8560 case NL80211_IFTYPE_ADHOC:
8561 if (intbss == wdev->current_bss &&
8562 nla_put_u32(msg, NL80211_BSS_STATUS,
8563 NL80211_BSS_STATUS_IBSS_JOINED))
8564 goto nla_put_failure;
8570 nla_nest_end(msg, bss);
8572 genlmsg_end(msg, hdr);
8578 genlmsg_cancel(msg, hdr);
8582 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
8584 struct cfg80211_registered_device *rdev;
8585 struct cfg80211_internal_bss *scan;
8586 struct wireless_dev *wdev;
8587 int start = cb->args[2], idx = 0;
8591 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8598 spin_lock_bh(&rdev->bss_lock);
8601 * dump_scan will be called multiple times to break up the scan results
8602 * into multiple messages. It is unlikely that any more bss-es will be
8603 * expired after the first call, so only call only call this on the
8604 * first dump_scan invocation.
8607 cfg80211_bss_expire(rdev);
8609 cb->seq = rdev->bss_generation;
8611 list_for_each_entry(scan, &rdev->bss_list, list) {
8614 if (nl80211_send_bss(skb, cb,
8615 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8616 rdev, wdev, scan) < 0) {
8622 spin_unlock_bh(&rdev->bss_lock);
8631 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
8632 int flags, struct net_device *dev,
8633 bool allow_radio_stats,
8634 struct survey_info *survey)
8637 struct nlattr *infoattr;
8639 /* skip radio stats if userspace didn't request them */
8640 if (!survey->channel && !allow_radio_stats)
8643 hdr = nl80211hdr_put(msg, portid, seq, flags,
8644 NL80211_CMD_NEW_SURVEY_RESULTS);
8648 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
8649 goto nla_put_failure;
8651 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
8653 goto nla_put_failure;
8655 if (survey->channel &&
8656 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
8657 survey->channel->center_freq))
8658 goto nla_put_failure;
8660 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
8661 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
8662 goto nla_put_failure;
8663 if ((survey->filled & SURVEY_INFO_IN_USE) &&
8664 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
8665 goto nla_put_failure;
8666 if ((survey->filled & SURVEY_INFO_TIME) &&
8667 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
8668 survey->time, NL80211_SURVEY_INFO_PAD))
8669 goto nla_put_failure;
8670 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
8671 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
8672 survey->time_busy, NL80211_SURVEY_INFO_PAD))
8673 goto nla_put_failure;
8674 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
8675 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
8676 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
8677 goto nla_put_failure;
8678 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
8679 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
8680 survey->time_rx, NL80211_SURVEY_INFO_PAD))
8681 goto nla_put_failure;
8682 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
8683 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
8684 survey->time_tx, NL80211_SURVEY_INFO_PAD))
8685 goto nla_put_failure;
8686 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
8687 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
8688 survey->time_scan, NL80211_SURVEY_INFO_PAD))
8689 goto nla_put_failure;
8691 nla_nest_end(msg, infoattr);
8693 genlmsg_end(msg, hdr);
8697 genlmsg_cancel(msg, hdr);
8701 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
8703 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
8704 struct survey_info survey;
8705 struct cfg80211_registered_device *rdev;
8706 struct wireless_dev *wdev;
8707 int survey_idx = cb->args[2];
8712 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8716 /* prepare_wdev_dump parsed the attributes */
8717 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
8719 if (!wdev->netdev) {
8724 if (!rdev->ops->dump_survey) {
8730 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
8736 /* don't send disabled channels, but do send non-channel data */
8737 if (survey.channel &&
8738 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
8743 if (nl80211_send_survey(skb,
8744 NETLINK_CB(cb->skb).portid,
8745 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8746 wdev->netdev, radio_stats, &survey) < 0)
8752 cb->args[2] = survey_idx;
8759 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
8761 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
8762 NL80211_WPA_VERSION_2 |
8763 NL80211_WPA_VERSION_3));
8766 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
8768 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8769 struct net_device *dev = info->user_ptr[1];
8770 struct ieee80211_channel *chan;
8771 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
8772 int err, ssid_len, ie_len = 0, auth_data_len = 0;
8773 enum nl80211_auth_type auth_type;
8774 struct key_parse key;
8775 bool local_state_change;
8777 if (!info->attrs[NL80211_ATTR_MAC])
8780 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
8783 if (!info->attrs[NL80211_ATTR_SSID])
8786 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
8789 err = nl80211_parse_key(info, &key);
8794 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
8796 if (!key.p.key || !key.p.key_len)
8798 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
8799 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
8800 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
8801 key.p.key_len != WLAN_KEY_LEN_WEP104))
8814 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
8815 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
8824 if (!rdev->ops->auth)
8827 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8828 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8831 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8832 chan = nl80211_get_valid_chan(&rdev->wiphy,
8833 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8837 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8838 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8840 if (info->attrs[NL80211_ATTR_IE]) {
8841 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8842 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8845 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
8846 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
8849 if ((auth_type == NL80211_AUTHTYPE_SAE ||
8850 auth_type == NL80211_AUTHTYPE_FILS_SK ||
8851 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
8852 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
8853 !info->attrs[NL80211_ATTR_AUTH_DATA])
8856 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
8857 if (auth_type != NL80211_AUTHTYPE_SAE &&
8858 auth_type != NL80211_AUTHTYPE_FILS_SK &&
8859 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
8860 auth_type != NL80211_AUTHTYPE_FILS_PK)
8862 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
8863 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
8864 /* need to include at least Auth Transaction and Status Code */
8865 if (auth_data_len < 4)
8869 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8872 * Since we no longer track auth state, ignore
8873 * requests to only change local state.
8875 if (local_state_change)
8878 wdev_lock(dev->ieee80211_ptr);
8879 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
8880 ssid, ssid_len, ie, ie_len,
8881 key.p.key, key.p.key_len, key.idx,
8882 auth_data, auth_data_len);
8883 wdev_unlock(dev->ieee80211_ptr);
8887 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
8888 struct genl_info *info)
8890 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
8891 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
8895 if (!rdev->ops->tx_control_port ||
8896 !wiphy_ext_feature_isset(&rdev->wiphy,
8897 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
8903 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
8904 struct genl_info *info,
8905 struct cfg80211_crypto_settings *settings,
8908 memset(settings, 0, sizeof(*settings));
8910 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
8912 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
8915 proto = nla_get_u16(
8916 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
8917 settings->control_port_ethertype = cpu_to_be16(proto);
8918 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
8921 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
8922 settings->control_port_no_encrypt = true;
8924 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
8926 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
8927 int r = validate_pae_over_nl80211(rdev, info);
8932 settings->control_port_over_nl80211 = true;
8935 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
8939 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8940 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8941 settings->n_ciphers_pairwise = len / sizeof(u32);
8943 if (len % sizeof(u32))
8946 if (settings->n_ciphers_pairwise > cipher_limit)
8949 memcpy(settings->ciphers_pairwise, data, len);
8951 for (i = 0; i < settings->n_ciphers_pairwise; i++)
8952 if (!cfg80211_supported_cipher_suite(
8954 settings->ciphers_pairwise[i]))
8958 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
8959 settings->cipher_group =
8960 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
8961 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
8962 settings->cipher_group))
8966 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
8967 settings->wpa_versions =
8968 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
8969 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
8973 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
8977 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
8978 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
8979 settings->n_akm_suites = len / sizeof(u32);
8981 if (len % sizeof(u32))
8984 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
8987 memcpy(settings->akm_suites, data, len);
8990 if (info->attrs[NL80211_ATTR_PMK]) {
8991 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
8993 if (!wiphy_ext_feature_isset(&rdev->wiphy,
8994 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
8996 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
8999 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9000 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9001 NL80211_EXT_FEATURE_SAE_OFFLOAD))
9004 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9005 settings->sae_pwd_len =
9006 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9012 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9014 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9015 struct net_device *dev = info->user_ptr[1];
9016 struct ieee80211_channel *chan;
9017 struct cfg80211_assoc_request req = {};
9018 const u8 *bssid, *ssid;
9019 int err, ssid_len = 0;
9021 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9022 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9025 if (!info->attrs[NL80211_ATTR_MAC] ||
9026 !info->attrs[NL80211_ATTR_SSID] ||
9027 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
9030 if (!rdev->ops->assoc)
9033 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9034 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9037 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9039 chan = nl80211_get_valid_chan(&rdev->wiphy,
9040 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9044 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9045 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9047 if (info->attrs[NL80211_ATTR_IE]) {
9048 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9049 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9052 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9053 enum nl80211_mfp mfp =
9054 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9055 if (mfp == NL80211_MFP_REQUIRED)
9057 else if (mfp != NL80211_MFP_NO)
9061 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9062 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9064 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9065 req.flags |= ASSOC_REQ_DISABLE_HT;
9067 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9068 memcpy(&req.ht_capa_mask,
9069 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9070 sizeof(req.ht_capa_mask));
9072 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9073 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9075 memcpy(&req.ht_capa,
9076 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9077 sizeof(req.ht_capa));
9080 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9081 req.flags |= ASSOC_REQ_DISABLE_VHT;
9083 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9084 memcpy(&req.vht_capa_mask,
9085 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9086 sizeof(req.vht_capa_mask));
9088 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9089 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9091 memcpy(&req.vht_capa,
9092 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9093 sizeof(req.vht_capa));
9096 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9097 if (!((rdev->wiphy.features &
9098 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9099 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9100 !wiphy_ext_feature_isset(&rdev->wiphy,
9101 NL80211_EXT_FEATURE_RRM))
9103 req.flags |= ASSOC_REQ_USE_RRM;
9106 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9107 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9108 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9109 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9112 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9115 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
9117 wdev_lock(dev->ieee80211_ptr);
9119 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9120 ssid, ssid_len, &req);
9122 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9123 dev->ieee80211_ptr->conn_owner_nlportid =
9125 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9129 wdev_unlock(dev->ieee80211_ptr);
9135 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9137 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9138 struct net_device *dev = info->user_ptr[1];
9139 const u8 *ie = NULL, *bssid;
9140 int ie_len = 0, err;
9142 bool local_state_change;
9144 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9145 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9148 if (!info->attrs[NL80211_ATTR_MAC])
9151 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9154 if (!rdev->ops->deauth)
9157 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9158 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9161 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9163 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9164 if (reason_code == 0) {
9165 /* Reason Code 0 is reserved */
9169 if (info->attrs[NL80211_ATTR_IE]) {
9170 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9171 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9174 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9176 wdev_lock(dev->ieee80211_ptr);
9177 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9178 local_state_change);
9179 wdev_unlock(dev->ieee80211_ptr);
9183 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9185 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9186 struct net_device *dev = info->user_ptr[1];
9187 const u8 *ie = NULL, *bssid;
9188 int ie_len = 0, err;
9190 bool local_state_change;
9192 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9193 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9196 if (!info->attrs[NL80211_ATTR_MAC])
9199 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9202 if (!rdev->ops->disassoc)
9205 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9206 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9209 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9211 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9212 if (reason_code == 0) {
9213 /* Reason Code 0 is reserved */
9217 if (info->attrs[NL80211_ATTR_IE]) {
9218 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9219 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9222 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9224 wdev_lock(dev->ieee80211_ptr);
9225 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9226 local_state_change);
9227 wdev_unlock(dev->ieee80211_ptr);
9232 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
9233 int mcast_rate[NUM_NL80211_BANDS],
9236 struct wiphy *wiphy = &rdev->wiphy;
9240 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9241 struct ieee80211_supported_band *sband;
9243 sband = wiphy->bands[band];
9247 for (i = 0; i < sband->n_bitrates; i++) {
9248 if (sband->bitrates[i].bitrate == rateval) {
9249 mcast_rate[band] = i + 1;
9259 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
9261 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9262 struct net_device *dev = info->user_ptr[1];
9263 struct cfg80211_ibss_params ibss;
9264 struct wiphy *wiphy;
9265 struct cfg80211_cached_keys *connkeys = NULL;
9268 memset(&ibss, 0, sizeof(ibss));
9270 if (!info->attrs[NL80211_ATTR_SSID] ||
9271 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9274 ibss.beacon_interval = 100;
9276 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
9277 ibss.beacon_interval =
9278 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9280 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
9281 ibss.beacon_interval);
9285 if (!rdev->ops->join_ibss)
9288 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9291 wiphy = &rdev->wiphy;
9293 if (info->attrs[NL80211_ATTR_MAC]) {
9294 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9296 if (!is_valid_ether_addr(ibss.bssid))
9299 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9300 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9302 if (info->attrs[NL80211_ATTR_IE]) {
9303 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9304 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9307 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
9311 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
9312 NL80211_IFTYPE_ADHOC))
9315 switch (ibss.chandef.width) {
9316 case NL80211_CHAN_WIDTH_5:
9317 case NL80211_CHAN_WIDTH_10:
9318 case NL80211_CHAN_WIDTH_20_NOHT:
9320 case NL80211_CHAN_WIDTH_20:
9321 case NL80211_CHAN_WIDTH_40:
9322 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9325 case NL80211_CHAN_WIDTH_80:
9326 case NL80211_CHAN_WIDTH_80P80:
9327 case NL80211_CHAN_WIDTH_160:
9328 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9330 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9331 NL80211_EXT_FEATURE_VHT_IBSS))
9338 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
9339 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
9341 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9343 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9345 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9346 struct ieee80211_supported_band *sband =
9347 wiphy->bands[ibss.chandef.chan->band];
9349 err = ieee80211_get_ratemask(sband, rates, n_rates,
9355 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9356 memcpy(&ibss.ht_capa_mask,
9357 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9358 sizeof(ibss.ht_capa_mask));
9360 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9361 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9363 memcpy(&ibss.ht_capa,
9364 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9365 sizeof(ibss.ht_capa));
9368 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9369 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
9370 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9373 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9376 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
9377 if (IS_ERR(connkeys))
9378 return PTR_ERR(connkeys);
9380 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
9388 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
9390 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9391 int r = validate_pae_over_nl80211(rdev, info);
9398 ibss.control_port_over_nl80211 = true;
9401 ibss.userspace_handles_dfs =
9402 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9404 wdev_lock(dev->ieee80211_ptr);
9405 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
9408 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9409 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9410 wdev_unlock(dev->ieee80211_ptr);
9415 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
9417 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9418 struct net_device *dev = info->user_ptr[1];
9420 if (!rdev->ops->leave_ibss)
9423 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9426 return cfg80211_leave_ibss(rdev, dev, false);
9429 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
9431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9432 struct net_device *dev = info->user_ptr[1];
9433 int mcast_rate[NUM_NL80211_BANDS];
9437 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
9438 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
9439 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
9442 if (!rdev->ops->set_mcast_rate)
9445 memset(mcast_rate, 0, sizeof(mcast_rate));
9447 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
9450 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
9451 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
9454 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
9459 static struct sk_buff *
9460 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
9461 struct wireless_dev *wdev, int approxlen,
9462 u32 portid, u32 seq, enum nl80211_commands cmd,
9463 enum nl80211_attrs attr,
9464 const struct nl80211_vendor_cmd_info *info,
9467 struct sk_buff *skb;
9469 struct nlattr *data;
9471 skb = nlmsg_new(approxlen + 100, gfp);
9475 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
9481 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
9482 goto nla_put_failure;
9485 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
9487 goto nla_put_failure;
9488 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
9490 goto nla_put_failure;
9494 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
9495 wdev_id(wdev), NL80211_ATTR_PAD))
9496 goto nla_put_failure;
9498 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
9499 wdev->netdev->ifindex))
9500 goto nla_put_failure;
9503 data = nla_nest_start_noflag(skb, attr);
9505 goto nla_put_failure;
9507 ((void **)skb->cb)[0] = rdev;
9508 ((void **)skb->cb)[1] = hdr;
9509 ((void **)skb->cb)[2] = data;
9518 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
9519 struct wireless_dev *wdev,
9520 enum nl80211_commands cmd,
9521 enum nl80211_attrs attr,
9522 unsigned int portid,
9523 int vendor_event_idx,
9524 int approxlen, gfp_t gfp)
9526 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
9527 const struct nl80211_vendor_cmd_info *info;
9530 case NL80211_CMD_TESTMODE:
9531 if (WARN_ON(vendor_event_idx != -1))
9535 case NL80211_CMD_VENDOR:
9536 if (WARN_ON(vendor_event_idx < 0 ||
9537 vendor_event_idx >= wiphy->n_vendor_events))
9539 info = &wiphy->vendor_events[vendor_event_idx];
9546 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
9547 cmd, attr, info, gfp);
9549 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
9551 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
9553 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9554 void *hdr = ((void **)skb->cb)[1];
9555 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
9556 struct nlattr *data = ((void **)skb->cb)[2];
9557 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
9559 /* clear CB data for netlink core to own from now on */
9560 memset(skb->cb, 0, sizeof(skb->cb));
9562 nla_nest_end(skb, data);
9563 genlmsg_end(skb, hdr);
9565 if (nlhdr->nlmsg_pid) {
9566 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
9569 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
9570 mcgrp = NL80211_MCGRP_VENDOR;
9572 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
9573 skb, 0, mcgrp, gfp);
9576 EXPORT_SYMBOL(__cfg80211_send_event_skb);
9578 #ifdef CONFIG_NL80211_TESTMODE
9579 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
9581 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9582 struct wireless_dev *wdev =
9583 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
9586 if (!rdev->ops->testmode_cmd)
9590 err = PTR_ERR(wdev);
9594 } else if (wdev->wiphy != &rdev->wiphy) {
9598 if (!info->attrs[NL80211_ATTR_TESTDATA])
9601 rdev->cur_cmd_info = info;
9602 err = rdev_testmode_cmd(rdev, wdev,
9603 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
9604 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
9605 rdev->cur_cmd_info = NULL;
9610 static int nl80211_testmode_dump(struct sk_buff *skb,
9611 struct netlink_callback *cb)
9613 struct cfg80211_registered_device *rdev;
9623 * 0 is a valid index, but not valid for args[0],
9624 * so we need to offset by 1.
9626 phy_idx = cb->args[0] - 1;
9628 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
9634 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
9636 err = nlmsg_parse_deprecated(cb->nlh,
9637 GENL_HDRLEN + nl80211_fam.hdrsize,
9638 attrbuf, nl80211_fam.maxattr,
9639 nl80211_policy, NULL);
9643 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
9645 err = PTR_ERR(rdev);
9648 phy_idx = rdev->wiphy_idx;
9650 if (attrbuf[NL80211_ATTR_TESTDATA])
9651 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
9655 data = nla_data((void *)cb->args[1]);
9656 data_len = nla_len((void *)cb->args[1]);
9659 if (!rdev->ops->testmode_dump) {
9665 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
9666 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9667 NL80211_CMD_TESTMODE);
9668 struct nlattr *tmdata;
9673 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
9674 genlmsg_cancel(skb, hdr);
9678 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
9680 genlmsg_cancel(skb, hdr);
9683 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
9684 nla_nest_end(skb, tmdata);
9686 if (err == -ENOBUFS || err == -ENOENT) {
9687 genlmsg_cancel(skb, hdr);
9690 genlmsg_cancel(skb, hdr);
9694 genlmsg_end(skb, hdr);
9699 cb->args[0] = phy_idx + 1;
9706 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
9708 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9709 struct net_device *dev = info->user_ptr[1];
9710 struct cfg80211_connect_params connect;
9711 struct wiphy *wiphy;
9712 struct cfg80211_cached_keys *connkeys = NULL;
9715 memset(&connect, 0, sizeof(connect));
9717 if (!info->attrs[NL80211_ATTR_SSID] ||
9718 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9721 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9723 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9724 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
9725 NL80211_CMD_CONNECT))
9728 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
9730 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
9732 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
9733 !wiphy_ext_feature_isset(&rdev->wiphy,
9734 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
9736 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
9738 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
9739 NL80211_MAX_NR_CIPHER_SUITES);
9743 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9744 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9747 wiphy = &rdev->wiphy;
9749 connect.bg_scan_period = -1;
9750 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
9751 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
9752 connect.bg_scan_period =
9753 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
9756 if (info->attrs[NL80211_ATTR_MAC])
9757 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9758 else if (info->attrs[NL80211_ATTR_MAC_HINT])
9759 connect.bssid_hint =
9760 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
9761 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9762 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9764 if (info->attrs[NL80211_ATTR_IE]) {
9765 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9766 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9769 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9770 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9771 if (connect.mfp == NL80211_MFP_OPTIONAL &&
9772 !wiphy_ext_feature_isset(&rdev->wiphy,
9773 NL80211_EXT_FEATURE_MFP_OPTIONAL))
9776 connect.mfp = NL80211_MFP_NO;
9779 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9780 connect.prev_bssid =
9781 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9783 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9784 connect.channel = nl80211_get_valid_chan(
9785 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9786 if (!connect.channel)
9788 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
9789 connect.channel_hint = nl80211_get_valid_chan(
9790 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
9791 if (!connect.channel_hint)
9795 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9796 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
9797 if (IS_ERR(connkeys))
9798 return PTR_ERR(connkeys);
9801 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9802 connect.flags |= ASSOC_REQ_DISABLE_HT;
9804 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9805 memcpy(&connect.ht_capa_mask,
9806 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9807 sizeof(connect.ht_capa_mask));
9809 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9810 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
9814 memcpy(&connect.ht_capa,
9815 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9816 sizeof(connect.ht_capa));
9819 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9820 connect.flags |= ASSOC_REQ_DISABLE_VHT;
9822 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9823 memcpy(&connect.vht_capa_mask,
9824 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9825 sizeof(connect.vht_capa_mask));
9827 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9828 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
9832 memcpy(&connect.vht_capa,
9833 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9834 sizeof(connect.vht_capa));
9837 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9838 if (!((rdev->wiphy.features &
9839 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9840 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9841 !wiphy_ext_feature_isset(&rdev->wiphy,
9842 NL80211_EXT_FEATURE_RRM)) {
9846 connect.flags |= ASSOC_REQ_USE_RRM;
9849 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
9850 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
9855 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
9856 /* bss selection makes no sense if bssid is set */
9857 if (connect.bssid) {
9862 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
9863 wiphy, &connect.bss_select);
9870 if (wiphy_ext_feature_isset(&rdev->wiphy,
9871 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
9872 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9873 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9874 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9875 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9876 connect.fils_erp_username =
9877 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9878 connect.fils_erp_username_len =
9879 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9880 connect.fils_erp_realm =
9881 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9882 connect.fils_erp_realm_len =
9883 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9884 connect.fils_erp_next_seq_num =
9886 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9887 connect.fils_erp_rrk =
9888 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9889 connect.fils_erp_rrk_len =
9890 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9891 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9892 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9893 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9894 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9899 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
9900 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9902 GENL_SET_ERR_MSG(info,
9903 "external auth requires connection ownership");
9906 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
9909 wdev_lock(dev->ieee80211_ptr);
9911 err = cfg80211_connect(rdev, dev, &connect, connkeys,
9912 connect.prev_bssid);
9916 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9917 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9919 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9920 connect.bssid, ETH_ALEN);
9922 memset(dev->ieee80211_ptr->disconnect_bssid,
9926 wdev_unlock(dev->ieee80211_ptr);
9931 static int nl80211_update_connect_params(struct sk_buff *skb,
9932 struct genl_info *info)
9934 struct cfg80211_connect_params connect = {};
9935 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9936 struct net_device *dev = info->user_ptr[1];
9937 struct wireless_dev *wdev = dev->ieee80211_ptr;
9938 bool fils_sk_offload;
9943 if (!rdev->ops->update_connect_params)
9946 if (info->attrs[NL80211_ATTR_IE]) {
9947 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9948 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9949 changed |= UPDATE_ASSOC_IES;
9952 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
9953 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
9956 * when driver supports fils-sk offload all attributes must be
9957 * provided. So the else covers "fils-sk-not-all" and
9960 if (fils_sk_offload &&
9961 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9962 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9963 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9964 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9965 connect.fils_erp_username =
9966 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9967 connect.fils_erp_username_len =
9968 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9969 connect.fils_erp_realm =
9970 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9971 connect.fils_erp_realm_len =
9972 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9973 connect.fils_erp_next_seq_num =
9975 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9976 connect.fils_erp_rrk =
9977 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9978 connect.fils_erp_rrk_len =
9979 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9980 changed |= UPDATE_FILS_ERP_INFO;
9981 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9982 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9983 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9984 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9988 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9989 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9990 if (!nl80211_valid_auth_type(rdev, auth_type,
9991 NL80211_CMD_CONNECT))
9994 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
9995 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
9998 connect.auth_type = auth_type;
9999 changed |= UPDATE_AUTH_TYPE;
10002 wdev_lock(dev->ieee80211_ptr);
10003 if (!wdev->current_bss)
10006 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
10007 wdev_unlock(dev->ieee80211_ptr);
10012 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
10014 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10015 struct net_device *dev = info->user_ptr[1];
10019 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10020 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10023 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10024 reason = WLAN_REASON_DEAUTH_LEAVING;
10026 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10031 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10032 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10033 return -EOPNOTSUPP;
10035 wdev_lock(dev->ieee80211_ptr);
10036 ret = cfg80211_disconnect(rdev, dev, reason, true);
10037 wdev_unlock(dev->ieee80211_ptr);
10041 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
10043 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10047 if (info->attrs[NL80211_ATTR_PID]) {
10048 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
10050 net = get_net_ns_by_pid(pid);
10051 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
10052 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
10054 net = get_net_ns_by_fd(fd);
10060 return PTR_ERR(net);
10064 /* check if anything to do */
10065 if (!net_eq(wiphy_net(&rdev->wiphy), net))
10066 err = cfg80211_switch_netns(rdev, net);
10072 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10074 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10075 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10076 struct cfg80211_pmksa *pmksa) = NULL;
10077 struct net_device *dev = info->user_ptr[1];
10078 struct cfg80211_pmksa pmksa;
10080 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10082 if (!info->attrs[NL80211_ATTR_PMKID])
10085 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
10087 if (info->attrs[NL80211_ATTR_MAC]) {
10088 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10089 } else if (info->attrs[NL80211_ATTR_SSID] &&
10090 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10091 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10092 info->attrs[NL80211_ATTR_PMK])) {
10093 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10094 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10096 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10100 if (info->attrs[NL80211_ATTR_PMK]) {
10101 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10102 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10105 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10106 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10107 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10108 wiphy_ext_feature_isset(&rdev->wiphy,
10109 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
10110 return -EOPNOTSUPP;
10112 switch (info->genlhdr->cmd) {
10113 case NL80211_CMD_SET_PMKSA:
10114 rdev_ops = rdev->ops->set_pmksa;
10116 case NL80211_CMD_DEL_PMKSA:
10117 rdev_ops = rdev->ops->del_pmksa;
10125 return -EOPNOTSUPP;
10127 return rdev_ops(&rdev->wiphy, dev, &pmksa);
10130 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10132 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10133 struct net_device *dev = info->user_ptr[1];
10135 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10136 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10137 return -EOPNOTSUPP;
10139 if (!rdev->ops->flush_pmksa)
10140 return -EOPNOTSUPP;
10142 return rdev_flush_pmksa(rdev, dev);
10145 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10147 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10148 struct net_device *dev = info->user_ptr[1];
10149 u8 action_code, dialog_token;
10150 u32 peer_capability = 0;
10155 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10156 !rdev->ops->tdls_mgmt)
10157 return -EOPNOTSUPP;
10159 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10160 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10161 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10162 !info->attrs[NL80211_ATTR_IE] ||
10163 !info->attrs[NL80211_ATTR_MAC])
10166 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10167 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10168 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10169 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
10170 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
10171 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10173 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
10175 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
10176 dialog_token, status_code, peer_capability,
10178 nla_data(info->attrs[NL80211_ATTR_IE]),
10179 nla_len(info->attrs[NL80211_ATTR_IE]));
10182 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10184 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10185 struct net_device *dev = info->user_ptr[1];
10186 enum nl80211_tdls_operation operation;
10189 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10190 !rdev->ops->tdls_oper)
10191 return -EOPNOTSUPP;
10193 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10194 !info->attrs[NL80211_ATTR_MAC])
10197 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10198 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10200 return rdev_tdls_oper(rdev, dev, peer, operation);
10203 static int nl80211_remain_on_channel(struct sk_buff *skb,
10204 struct genl_info *info)
10206 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10207 struct wireless_dev *wdev = info->user_ptr[1];
10208 struct cfg80211_chan_def chandef;
10209 const struct cfg80211_chan_def *compat_chandef;
10210 struct sk_buff *msg;
10216 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10217 !info->attrs[NL80211_ATTR_DURATION])
10220 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10222 if (!rdev->ops->remain_on_channel ||
10223 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
10224 return -EOPNOTSUPP;
10227 * We should be on that channel for at least a minimum amount of
10228 * time (10ms) but no longer than the driver supports.
10230 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10231 duration > rdev->wiphy.max_remain_on_channel_duration)
10234 err = nl80211_parse_chandef(rdev, info, &chandef);
10239 if (!cfg80211_off_channel_oper_allowed(wdev) &&
10240 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
10241 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
10243 if (compat_chandef != &chandef) {
10250 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10254 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10255 NL80211_CMD_REMAIN_ON_CHANNEL);
10261 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
10262 duration, &cookie);
10267 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10269 goto nla_put_failure;
10271 genlmsg_end(msg, hdr);
10273 return genlmsg_reply(msg, info);
10282 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
10283 struct genl_info *info)
10285 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10286 struct wireless_dev *wdev = info->user_ptr[1];
10289 if (!info->attrs[NL80211_ATTR_COOKIE])
10292 if (!rdev->ops->cancel_remain_on_channel)
10293 return -EOPNOTSUPP;
10295 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10297 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
10300 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
10301 struct genl_info *info)
10303 struct cfg80211_bitrate_mask mask;
10304 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10305 struct net_device *dev = info->user_ptr[1];
10308 if (!rdev->ops->set_bitrate_mask)
10309 return -EOPNOTSUPP;
10311 err = nl80211_parse_tx_bitrate_mask(info, &mask);
10315 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
10318 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
10320 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10321 struct wireless_dev *wdev = info->user_ptr[1];
10322 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
10324 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
10327 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
10328 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
10330 switch (wdev->iftype) {
10331 case NL80211_IFTYPE_STATION:
10332 case NL80211_IFTYPE_ADHOC:
10333 case NL80211_IFTYPE_P2P_CLIENT:
10334 case NL80211_IFTYPE_AP:
10335 case NL80211_IFTYPE_AP_VLAN:
10336 case NL80211_IFTYPE_MESH_POINT:
10337 case NL80211_IFTYPE_P2P_GO:
10338 case NL80211_IFTYPE_P2P_DEVICE:
10340 case NL80211_IFTYPE_NAN:
10342 return -EOPNOTSUPP;
10345 /* not much point in registering if we can't reply */
10346 if (!rdev->ops->mgmt_tx)
10347 return -EOPNOTSUPP;
10349 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
10350 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10351 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
10354 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
10356 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10357 struct wireless_dev *wdev = info->user_ptr[1];
10358 struct cfg80211_chan_def chandef;
10362 struct sk_buff *msg = NULL;
10363 struct cfg80211_mgmt_tx_params params = {
10364 .dont_wait_for_ack =
10365 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
10368 if (!info->attrs[NL80211_ATTR_FRAME])
10371 if (!rdev->ops->mgmt_tx)
10372 return -EOPNOTSUPP;
10374 switch (wdev->iftype) {
10375 case NL80211_IFTYPE_P2P_DEVICE:
10376 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10378 case NL80211_IFTYPE_STATION:
10379 case NL80211_IFTYPE_ADHOC:
10380 case NL80211_IFTYPE_P2P_CLIENT:
10381 case NL80211_IFTYPE_AP:
10382 case NL80211_IFTYPE_AP_VLAN:
10383 case NL80211_IFTYPE_MESH_POINT:
10384 case NL80211_IFTYPE_P2P_GO:
10386 case NL80211_IFTYPE_NAN:
10388 return -EOPNOTSUPP;
10391 if (info->attrs[NL80211_ATTR_DURATION]) {
10392 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10394 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10397 * We should wait on the channel for at least a minimum amount
10398 * of time (10ms) but no longer than the driver supports.
10400 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10401 params.wait > rdev->wiphy.max_remain_on_channel_duration)
10405 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
10407 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10410 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
10412 /* get the channel if any has been specified, otherwise pass NULL to
10413 * the driver. The latter will use the current one
10415 chandef.chan = NULL;
10416 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10417 err = nl80211_parse_chandef(rdev, info, &chandef);
10422 if (!chandef.chan && params.offchan)
10426 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
10432 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
10433 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
10435 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
10436 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10439 if (len % sizeof(u16))
10442 params.n_csa_offsets = len / sizeof(u16);
10443 params.csa_offsets =
10444 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10446 /* check that all the offsets fit the frame */
10447 for (i = 0; i < params.n_csa_offsets; i++) {
10448 if (params.csa_offsets[i] >= params.len)
10453 if (!params.dont_wait_for_ack) {
10454 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10458 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10459 NL80211_CMD_FRAME);
10466 params.chan = chandef.chan;
10467 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
10472 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10474 goto nla_put_failure;
10476 genlmsg_end(msg, hdr);
10477 return genlmsg_reply(msg, info);
10489 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
10491 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10492 struct wireless_dev *wdev = info->user_ptr[1];
10495 if (!info->attrs[NL80211_ATTR_COOKIE])
10498 if (!rdev->ops->mgmt_tx_cancel_wait)
10499 return -EOPNOTSUPP;
10501 switch (wdev->iftype) {
10502 case NL80211_IFTYPE_STATION:
10503 case NL80211_IFTYPE_ADHOC:
10504 case NL80211_IFTYPE_P2P_CLIENT:
10505 case NL80211_IFTYPE_AP:
10506 case NL80211_IFTYPE_AP_VLAN:
10507 case NL80211_IFTYPE_P2P_GO:
10508 case NL80211_IFTYPE_P2P_DEVICE:
10510 case NL80211_IFTYPE_NAN:
10512 return -EOPNOTSUPP;
10515 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10517 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
10520 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
10522 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10523 struct wireless_dev *wdev;
10524 struct net_device *dev = info->user_ptr[1];
10529 if (!info->attrs[NL80211_ATTR_PS_STATE])
10532 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
10534 wdev = dev->ieee80211_ptr;
10536 if (!rdev->ops->set_power_mgmt)
10537 return -EOPNOTSUPP;
10539 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
10541 if (state == wdev->ps)
10544 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
10550 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
10552 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10553 enum nl80211_ps_state ps_state;
10554 struct wireless_dev *wdev;
10555 struct net_device *dev = info->user_ptr[1];
10556 struct sk_buff *msg;
10560 wdev = dev->ieee80211_ptr;
10562 if (!rdev->ops->set_power_mgmt)
10563 return -EOPNOTSUPP;
10565 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10569 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10570 NL80211_CMD_GET_POWER_SAVE);
10577 ps_state = NL80211_PS_ENABLED;
10579 ps_state = NL80211_PS_DISABLED;
10581 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
10582 goto nla_put_failure;
10584 genlmsg_end(msg, hdr);
10585 return genlmsg_reply(msg, info);
10594 static const struct nla_policy
10595 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
10596 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
10597 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
10598 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
10599 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
10600 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
10601 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
10602 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
10605 static int nl80211_set_cqm_txe(struct genl_info *info,
10606 u32 rate, u32 pkts, u32 intvl)
10608 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10609 struct net_device *dev = info->user_ptr[1];
10610 struct wireless_dev *wdev = dev->ieee80211_ptr;
10612 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
10615 if (!rdev->ops->set_cqm_txe_config)
10616 return -EOPNOTSUPP;
10618 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10619 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10620 return -EOPNOTSUPP;
10622 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
10625 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
10626 struct net_device *dev)
10628 struct wireless_dev *wdev = dev->ieee80211_ptr;
10629 s32 last, low, high;
10631 int i, n, low_index;
10634 /* RSSI reporting disabled? */
10635 if (!wdev->cqm_config)
10636 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
10639 * Obtain current RSSI value if possible, if not and no RSSI threshold
10640 * event has been received yet, we should receive an event after a
10641 * connection is established and enough beacons received to calculate
10644 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
10645 rdev->ops->get_station) {
10646 struct station_info sinfo = {};
10649 mac_addr = wdev->current_bss->pub.bssid;
10651 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
10655 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
10656 wdev->cqm_config->last_rssi_event_value =
10657 (s8) sinfo.rx_beacon_signal_avg;
10660 last = wdev->cqm_config->last_rssi_event_value;
10661 hyst = wdev->cqm_config->rssi_hyst;
10662 n = wdev->cqm_config->n_rssi_thresholds;
10664 for (i = 0; i < n; i++)
10665 if (last < wdev->cqm_config->rssi_thresholds[i])
10669 if (low_index >= 0) {
10670 low_index = array_index_nospec(low_index, n);
10671 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
10676 i = array_index_nospec(i, n);
10677 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
10682 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
10685 static int nl80211_set_cqm_rssi(struct genl_info *info,
10686 const s32 *thresholds, int n_thresholds,
10689 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10690 struct net_device *dev = info->user_ptr[1];
10691 struct wireless_dev *wdev = dev->ieee80211_ptr;
10693 s32 prev = S32_MIN;
10695 /* Check all values negative and sorted */
10696 for (i = 0; i < n_thresholds; i++) {
10697 if (thresholds[i] > 0 || thresholds[i] <= prev)
10700 prev = thresholds[i];
10703 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10704 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10705 return -EOPNOTSUPP;
10708 cfg80211_cqm_config_free(wdev);
10711 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
10712 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
10713 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
10715 return rdev_set_cqm_rssi_config(rdev, dev,
10716 thresholds[0], hysteresis);
10719 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10720 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
10721 return -EOPNOTSUPP;
10723 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
10727 if (n_thresholds) {
10728 struct cfg80211_cqm_config *cqm_config;
10730 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
10731 n_thresholds * sizeof(s32), GFP_KERNEL);
10737 cqm_config->rssi_hyst = hysteresis;
10738 cqm_config->n_rssi_thresholds = n_thresholds;
10739 memcpy(cqm_config->rssi_thresholds, thresholds,
10740 n_thresholds * sizeof(s32));
10742 wdev->cqm_config = cqm_config;
10745 err = cfg80211_cqm_rssi_update(rdev, dev);
10753 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
10755 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
10756 struct nlattr *cqm;
10759 cqm = info->attrs[NL80211_ATTR_CQM];
10763 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
10764 nl80211_attr_cqm_policy,
10769 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
10770 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
10771 const s32 *thresholds =
10772 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10773 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10774 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
10779 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
10783 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
10784 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
10785 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
10786 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
10787 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
10788 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
10790 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
10796 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
10798 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10799 struct net_device *dev = info->user_ptr[1];
10800 struct ocb_setup setup = {};
10803 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10807 return cfg80211_join_ocb(rdev, dev, &setup);
10810 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
10812 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10813 struct net_device *dev = info->user_ptr[1];
10815 return cfg80211_leave_ocb(rdev, dev);
10818 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
10820 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10821 struct net_device *dev = info->user_ptr[1];
10822 struct mesh_config cfg;
10823 struct mesh_setup setup;
10826 /* start with default */
10827 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
10828 memcpy(&setup, &default_mesh_setup, sizeof(setup));
10830 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
10831 /* and parse parameters if given */
10832 err = nl80211_parse_mesh_config(info, &cfg, NULL);
10837 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
10838 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
10841 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
10842 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
10844 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10845 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
10846 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10849 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
10850 setup.beacon_interval =
10851 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10853 err = cfg80211_validate_beacon_int(rdev,
10854 NL80211_IFTYPE_MESH_POINT,
10855 setup.beacon_interval);
10860 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
10861 setup.dtim_period =
10862 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
10863 if (setup.dtim_period < 1 || setup.dtim_period > 100)
10867 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
10868 /* parse additional setup parameters if given */
10869 err = nl80211_parse_mesh_setup(info, &setup);
10874 if (setup.user_mpm)
10875 cfg.auto_open_plinks = false;
10877 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10878 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10882 /* __cfg80211_join_mesh() will sort it out */
10883 setup.chandef.chan = NULL;
10886 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10887 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10889 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10890 struct ieee80211_supported_band *sband;
10892 if (!setup.chandef.chan)
10895 sband = rdev->wiphy.bands[setup.chandef.chan->band];
10897 err = ieee80211_get_ratemask(sband, rates, n_rates,
10898 &setup.basic_rates);
10903 if (info->attrs[NL80211_ATTR_TX_RATES]) {
10904 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
10908 if (!setup.chandef.chan)
10911 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
10912 &setup.beacon_rate);
10917 setup.userspace_handles_dfs =
10918 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10920 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10921 int r = validate_pae_over_nl80211(rdev, info);
10926 setup.control_port_over_nl80211 = true;
10929 wdev_lock(dev->ieee80211_ptr);
10930 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
10931 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
10932 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10933 wdev_unlock(dev->ieee80211_ptr);
10938 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
10940 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10941 struct net_device *dev = info->user_ptr[1];
10943 return cfg80211_leave_mesh(rdev, dev);
10947 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
10948 struct cfg80211_registered_device *rdev)
10950 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
10951 struct nlattr *nl_pats, *nl_pat;
10954 if (!wowlan->n_patterns)
10957 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
10961 for (i = 0; i < wowlan->n_patterns; i++) {
10962 nl_pat = nla_nest_start_noflag(msg, i + 1);
10965 pat_len = wowlan->patterns[i].pattern_len;
10966 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
10967 wowlan->patterns[i].mask) ||
10968 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
10969 wowlan->patterns[i].pattern) ||
10970 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
10971 wowlan->patterns[i].pkt_offset))
10973 nla_nest_end(msg, nl_pat);
10975 nla_nest_end(msg, nl_pats);
10980 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
10981 struct cfg80211_wowlan_tcp *tcp)
10983 struct nlattr *nl_tcp;
10988 nl_tcp = nla_nest_start_noflag(msg,
10989 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
10993 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
10994 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
10995 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
10996 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
10997 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
10998 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
10999 tcp->payload_len, tcp->payload) ||
11000 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
11001 tcp->data_interval) ||
11002 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
11003 tcp->wake_len, tcp->wake_data) ||
11004 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
11005 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
11008 if (tcp->payload_seq.len &&
11009 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
11010 sizeof(tcp->payload_seq), &tcp->payload_seq))
11013 if (tcp->payload_tok.len &&
11014 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
11015 sizeof(tcp->payload_tok) + tcp->tokens_size,
11016 &tcp->payload_tok))
11019 nla_nest_end(msg, nl_tcp);
11024 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
11025 struct cfg80211_sched_scan_request *req)
11027 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
11033 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
11037 if (req->n_scan_plans == 1 &&
11038 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
11039 req->scan_plans[0].interval * 1000))
11042 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
11045 if (req->relative_rssi_set) {
11046 struct nl80211_bss_select_rssi_adjust rssi_adjust;
11048 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
11049 req->relative_rssi))
11052 rssi_adjust.band = req->rssi_adjust.band;
11053 rssi_adjust.delta = req->rssi_adjust.delta;
11054 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
11055 sizeof(rssi_adjust), &rssi_adjust))
11059 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
11063 for (i = 0; i < req->n_channels; i++) {
11064 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
11068 nla_nest_end(msg, freqs);
11070 if (req->n_match_sets) {
11071 matches = nla_nest_start_noflag(msg,
11072 NL80211_ATTR_SCHED_SCAN_MATCH);
11076 for (i = 0; i < req->n_match_sets; i++) {
11077 match = nla_nest_start_noflag(msg, i);
11081 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11082 req->match_sets[i].ssid.ssid_len,
11083 req->match_sets[i].ssid.ssid))
11085 nla_nest_end(msg, match);
11087 nla_nest_end(msg, matches);
11090 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
11094 for (i = 0; i < req->n_scan_plans; i++) {
11095 scan_plan = nla_nest_start_noflag(msg, i + 1);
11099 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
11100 req->scan_plans[i].interval) ||
11101 (req->scan_plans[i].iterations &&
11102 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11103 req->scan_plans[i].iterations)))
11105 nla_nest_end(msg, scan_plan);
11107 nla_nest_end(msg, scan_plans);
11109 nla_nest_end(msg, nd);
11114 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11116 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11117 struct sk_buff *msg;
11119 u32 size = NLMSG_DEFAULT_SIZE;
11121 if (!rdev->wiphy.wowlan)
11122 return -EOPNOTSUPP;
11124 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
11125 /* adjust size to have room for all the data */
11126 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11127 rdev->wiphy.wowlan_config->tcp->payload_len +
11128 rdev->wiphy.wowlan_config->tcp->wake_len +
11129 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
11132 msg = nlmsg_new(size, GFP_KERNEL);
11136 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11137 NL80211_CMD_GET_WOWLAN);
11139 goto nla_put_failure;
11141 if (rdev->wiphy.wowlan_config) {
11142 struct nlattr *nl_wowlan;
11144 nl_wowlan = nla_nest_start_noflag(msg,
11145 NL80211_ATTR_WOWLAN_TRIGGERS);
11147 goto nla_put_failure;
11149 if ((rdev->wiphy.wowlan_config->any &&
11150 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
11151 (rdev->wiphy.wowlan_config->disconnect &&
11152 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
11153 (rdev->wiphy.wowlan_config->magic_pkt &&
11154 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
11155 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
11156 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
11157 (rdev->wiphy.wowlan_config->eap_identity_req &&
11158 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
11159 (rdev->wiphy.wowlan_config->four_way_handshake &&
11160 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
11161 (rdev->wiphy.wowlan_config->rfkill_release &&
11162 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11163 goto nla_put_failure;
11165 if (nl80211_send_wowlan_patterns(msg, rdev))
11166 goto nla_put_failure;
11168 if (nl80211_send_wowlan_tcp(msg,
11169 rdev->wiphy.wowlan_config->tcp))
11170 goto nla_put_failure;
11172 if (nl80211_send_wowlan_nd(
11174 rdev->wiphy.wowlan_config->nd_config))
11175 goto nla_put_failure;
11177 nla_nest_end(msg, nl_wowlan);
11180 genlmsg_end(msg, hdr);
11181 return genlmsg_reply(msg, info);
11188 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
11189 struct nlattr *attr,
11190 struct cfg80211_wowlan *trig)
11192 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
11193 struct cfg80211_wowlan_tcp *cfg;
11194 struct nl80211_wowlan_tcp_data_token *tok = NULL;
11195 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
11197 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
11200 if (!rdev->wiphy.wowlan->tcp)
11203 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
11204 nl80211_wowlan_tcp_policy, NULL);
11208 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
11209 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
11210 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
11211 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
11212 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
11213 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
11214 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
11215 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
11218 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
11219 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
11222 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
11223 rdev->wiphy.wowlan->tcp->data_interval_max ||
11224 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
11227 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
11228 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
11231 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
11232 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
11235 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
11236 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11238 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11239 tokens_size = tokln - sizeof(*tok);
11241 if (!tok->len || tokens_size % tok->len)
11243 if (!rdev->wiphy.wowlan->tcp->tok)
11245 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
11247 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
11249 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
11251 if (tok->offset + tok->len > data_size)
11255 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
11256 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
11257 if (!rdev->wiphy.wowlan->tcp->seq)
11259 if (seq->len == 0 || seq->len > 4)
11261 if (seq->len + seq->offset > data_size)
11265 size = sizeof(*cfg);
11267 size += wake_size + wake_mask_size;
11268 size += tokens_size;
11270 cfg = kzalloc(size, GFP_KERNEL);
11273 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
11274 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
11275 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
11277 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
11278 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
11282 /* allocate a socket and port for it and use it */
11283 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
11284 IPPROTO_TCP, &cfg->sock, 1);
11289 if (inet_csk_get_port(cfg->sock->sk, port)) {
11290 sock_release(cfg->sock);
11292 return -EADDRINUSE;
11294 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
11300 cfg->src_port = port;
11303 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
11304 cfg->payload_len = data_size;
11305 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
11306 memcpy((void *)cfg->payload,
11307 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
11310 cfg->payload_seq = *seq;
11311 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
11312 cfg->wake_len = wake_size;
11313 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
11314 memcpy((void *)cfg->wake_data,
11315 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
11317 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
11318 data_size + wake_size;
11319 memcpy((void *)cfg->wake_mask,
11320 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
11323 cfg->tokens_size = tokens_size;
11324 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
11332 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
11333 const struct wiphy_wowlan_support *wowlan,
11334 struct nlattr *attr,
11335 struct cfg80211_wowlan *trig)
11337 struct nlattr **tb;
11340 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
11344 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
11349 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
11350 nl80211_policy, NULL);
11354 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
11355 wowlan->max_nd_match_sets);
11356 err = PTR_ERR_OR_ZERO(trig->nd_config);
11358 trig->nd_config = NULL;
11365 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
11367 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11368 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
11369 struct cfg80211_wowlan new_triggers = {};
11370 struct cfg80211_wowlan *ntrig;
11371 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
11373 bool prev_enabled = rdev->wiphy.wowlan_config;
11374 bool regular = false;
11377 return -EOPNOTSUPP;
11379 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
11380 cfg80211_rdev_free_wowlan(rdev);
11381 rdev->wiphy.wowlan_config = NULL;
11385 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
11386 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
11387 nl80211_wowlan_policy, info->extack);
11391 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
11392 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
11394 new_triggers.any = true;
11397 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
11398 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
11400 new_triggers.disconnect = true;
11404 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
11405 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
11407 new_triggers.magic_pkt = true;
11411 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
11414 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
11415 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
11417 new_triggers.gtk_rekey_failure = true;
11421 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
11422 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
11424 new_triggers.eap_identity_req = true;
11428 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
11429 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
11431 new_triggers.four_way_handshake = true;
11435 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
11436 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
11438 new_triggers.rfkill_release = true;
11442 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
11443 struct nlattr *pat;
11444 int n_patterns = 0;
11445 int rem, pat_len, mask_len, pkt_offset;
11446 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11450 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11453 if (n_patterns > wowlan->n_patterns)
11456 new_triggers.patterns = kcalloc(n_patterns,
11457 sizeof(new_triggers.patterns[0]),
11459 if (!new_triggers.patterns)
11462 new_triggers.n_patterns = n_patterns;
11465 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11469 err = nla_parse_nested_deprecated(pat_tb,
11470 MAX_NL80211_PKTPAT,
11472 nl80211_packet_pattern_policy,
11478 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11479 !pat_tb[NL80211_PKTPAT_PATTERN])
11481 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11482 mask_len = DIV_ROUND_UP(pat_len, 8);
11483 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11485 if (pat_len > wowlan->pattern_max_len ||
11486 pat_len < wowlan->pattern_min_len)
11489 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11492 pkt_offset = nla_get_u32(
11493 pat_tb[NL80211_PKTPAT_OFFSET]);
11494 if (pkt_offset > wowlan->max_pkt_offset)
11496 new_triggers.patterns[i].pkt_offset = pkt_offset;
11498 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11503 new_triggers.patterns[i].mask = mask_pat;
11504 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11506 mask_pat += mask_len;
11507 new_triggers.patterns[i].pattern = mask_pat;
11508 new_triggers.patterns[i].pattern_len = pat_len;
11510 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11516 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
11518 err = nl80211_parse_wowlan_tcp(
11519 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
11525 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
11527 err = nl80211_parse_wowlan_nd(
11528 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
11534 /* The 'any' trigger means the device continues operating more or less
11535 * as in its normal operation mode and wakes up the host on most of the
11536 * normal interrupts (like packet RX, ...)
11537 * It therefore makes little sense to combine with the more constrained
11538 * wakeup trigger modes.
11540 if (new_triggers.any && regular) {
11545 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
11550 cfg80211_rdev_free_wowlan(rdev);
11551 rdev->wiphy.wowlan_config = ntrig;
11554 if (rdev->ops->set_wakeup &&
11555 prev_enabled != !!rdev->wiphy.wowlan_config)
11556 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
11560 for (i = 0; i < new_triggers.n_patterns; i++)
11561 kfree(new_triggers.patterns[i].mask);
11562 kfree(new_triggers.patterns);
11563 if (new_triggers.tcp && new_triggers.tcp->sock)
11564 sock_release(new_triggers.tcp->sock);
11565 kfree(new_triggers.tcp);
11566 kfree(new_triggers.nd_config);
11571 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
11572 struct cfg80211_registered_device *rdev)
11574 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
11576 struct cfg80211_coalesce_rules *rule;
11578 if (!rdev->coalesce->n_rules)
11581 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
11585 for (i = 0; i < rdev->coalesce->n_rules; i++) {
11586 nl_rule = nla_nest_start_noflag(msg, i + 1);
11590 rule = &rdev->coalesce->rules[i];
11591 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
11595 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
11599 nl_pats = nla_nest_start_noflag(msg,
11600 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
11604 for (j = 0; j < rule->n_patterns; j++) {
11605 nl_pat = nla_nest_start_noflag(msg, j + 1);
11608 pat_len = rule->patterns[j].pattern_len;
11609 if (nla_put(msg, NL80211_PKTPAT_MASK,
11610 DIV_ROUND_UP(pat_len, 8),
11611 rule->patterns[j].mask) ||
11612 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11613 rule->patterns[j].pattern) ||
11614 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11615 rule->patterns[j].pkt_offset))
11617 nla_nest_end(msg, nl_pat);
11619 nla_nest_end(msg, nl_pats);
11620 nla_nest_end(msg, nl_rule);
11622 nla_nest_end(msg, nl_rules);
11627 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
11629 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11630 struct sk_buff *msg;
11633 if (!rdev->wiphy.coalesce)
11634 return -EOPNOTSUPP;
11636 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11640 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11641 NL80211_CMD_GET_COALESCE);
11643 goto nla_put_failure;
11645 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
11646 goto nla_put_failure;
11648 genlmsg_end(msg, hdr);
11649 return genlmsg_reply(msg, info);
11656 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
11658 struct cfg80211_coalesce *coalesce = rdev->coalesce;
11660 struct cfg80211_coalesce_rules *rule;
11665 for (i = 0; i < coalesce->n_rules; i++) {
11666 rule = &coalesce->rules[i];
11667 for (j = 0; j < rule->n_patterns; j++)
11668 kfree(rule->patterns[j].mask);
11669 kfree(rule->patterns);
11671 kfree(coalesce->rules);
11673 rdev->coalesce = NULL;
11676 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
11677 struct nlattr *rule,
11678 struct cfg80211_coalesce_rules *new_rule)
11681 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11682 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
11683 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
11684 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11686 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
11687 rule, nl80211_coalesce_policy, NULL);
11691 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
11693 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
11694 if (new_rule->delay > coalesce->max_delay)
11697 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
11698 new_rule->condition =
11699 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
11701 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
11704 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11707 if (n_patterns > coalesce->n_patterns)
11710 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
11712 if (!new_rule->patterns)
11715 new_rule->n_patterns = n_patterns;
11718 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11722 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
11724 nl80211_packet_pattern_policy,
11729 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11730 !pat_tb[NL80211_PKTPAT_PATTERN])
11732 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11733 mask_len = DIV_ROUND_UP(pat_len, 8);
11734 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11736 if (pat_len > coalesce->pattern_max_len ||
11737 pat_len < coalesce->pattern_min_len)
11740 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11743 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
11744 if (pkt_offset > coalesce->max_pkt_offset)
11746 new_rule->patterns[i].pkt_offset = pkt_offset;
11748 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11752 new_rule->patterns[i].mask = mask_pat;
11753 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11756 mask_pat += mask_len;
11757 new_rule->patterns[i].pattern = mask_pat;
11758 new_rule->patterns[i].pattern_len = pat_len;
11759 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11767 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
11769 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11770 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11771 struct cfg80211_coalesce new_coalesce = {};
11772 struct cfg80211_coalesce *n_coalesce;
11773 int err, rem_rule, n_rules = 0, i, j;
11774 struct nlattr *rule;
11775 struct cfg80211_coalesce_rules *tmp_rule;
11777 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
11778 return -EOPNOTSUPP;
11780 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
11781 cfg80211_rdev_free_coalesce(rdev);
11782 rdev_set_coalesce(rdev, NULL);
11786 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11789 if (n_rules > coalesce->n_rules)
11792 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
11794 if (!new_coalesce.rules)
11797 new_coalesce.n_rules = n_rules;
11800 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11802 err = nl80211_parse_coalesce_rule(rdev, rule,
11803 &new_coalesce.rules[i]);
11810 err = rdev_set_coalesce(rdev, &new_coalesce);
11814 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
11819 cfg80211_rdev_free_coalesce(rdev);
11820 rdev->coalesce = n_coalesce;
11824 for (i = 0; i < new_coalesce.n_rules; i++) {
11825 tmp_rule = &new_coalesce.rules[i];
11826 for (j = 0; j < tmp_rule->n_patterns; j++)
11827 kfree(tmp_rule->patterns[j].mask);
11828 kfree(tmp_rule->patterns);
11830 kfree(new_coalesce.rules);
11835 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
11837 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11838 struct net_device *dev = info->user_ptr[1];
11839 struct wireless_dev *wdev = dev->ieee80211_ptr;
11840 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
11841 struct cfg80211_gtk_rekey_data rekey_data;
11844 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
11847 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
11848 info->attrs[NL80211_ATTR_REKEY_DATA],
11849 nl80211_rekey_policy, info->extack);
11853 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
11854 !tb[NL80211_REKEY_DATA_KCK])
11856 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
11858 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
11860 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
11863 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
11864 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
11865 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
11868 if (!wdev->current_bss) {
11873 if (!rdev->ops->set_rekey_data) {
11878 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
11884 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
11885 struct genl_info *info)
11887 struct net_device *dev = info->user_ptr[1];
11888 struct wireless_dev *wdev = dev->ieee80211_ptr;
11890 if (wdev->iftype != NL80211_IFTYPE_AP &&
11891 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11894 if (wdev->ap_unexpected_nlportid)
11897 wdev->ap_unexpected_nlportid = info->snd_portid;
11901 static int nl80211_probe_client(struct sk_buff *skb,
11902 struct genl_info *info)
11904 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11905 struct net_device *dev = info->user_ptr[1];
11906 struct wireless_dev *wdev = dev->ieee80211_ptr;
11907 struct sk_buff *msg;
11913 if (wdev->iftype != NL80211_IFTYPE_AP &&
11914 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11915 return -EOPNOTSUPP;
11917 if (!info->attrs[NL80211_ATTR_MAC])
11920 if (!rdev->ops->probe_client)
11921 return -EOPNOTSUPP;
11923 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11927 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11928 NL80211_CMD_PROBE_CLIENT);
11934 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
11936 err = rdev_probe_client(rdev, dev, addr, &cookie);
11940 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11942 goto nla_put_failure;
11944 genlmsg_end(msg, hdr);
11946 return genlmsg_reply(msg, info);
11955 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
11957 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11958 struct cfg80211_beacon_registration *reg, *nreg;
11961 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
11962 return -EOPNOTSUPP;
11964 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
11968 /* First, check if already registered. */
11969 spin_lock_bh(&rdev->beacon_registrations_lock);
11970 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
11971 if (reg->nlportid == info->snd_portid) {
11976 /* Add it to the list */
11977 nreg->nlportid = info->snd_portid;
11978 list_add(&nreg->list, &rdev->beacon_registrations);
11980 spin_unlock_bh(&rdev->beacon_registrations_lock);
11984 spin_unlock_bh(&rdev->beacon_registrations_lock);
11989 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
11991 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11992 struct wireless_dev *wdev = info->user_ptr[1];
11995 if (!rdev->ops->start_p2p_device)
11996 return -EOPNOTSUPP;
11998 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11999 return -EOPNOTSUPP;
12001 if (wdev_running(wdev))
12004 if (rfkill_blocked(rdev->rfkill))
12007 err = rdev_start_p2p_device(rdev, wdev);
12011 wdev->is_running = true;
12017 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
12019 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12020 struct wireless_dev *wdev = info->user_ptr[1];
12022 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12023 return -EOPNOTSUPP;
12025 if (!rdev->ops->stop_p2p_device)
12026 return -EOPNOTSUPP;
12028 cfg80211_stop_p2p_device(rdev, wdev);
12033 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
12035 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12036 struct wireless_dev *wdev = info->user_ptr[1];
12037 struct cfg80211_nan_conf conf = {};
12040 if (wdev->iftype != NL80211_IFTYPE_NAN)
12041 return -EOPNOTSUPP;
12043 if (wdev_running(wdev))
12046 if (rfkill_blocked(rdev->rfkill))
12049 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
12053 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12055 if (info->attrs[NL80211_ATTR_BANDS]) {
12056 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12058 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12059 return -EOPNOTSUPP;
12061 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12064 conf.bands = bands;
12067 err = rdev_start_nan(rdev, wdev, &conf);
12071 wdev->is_running = true;
12077 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12079 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12080 struct wireless_dev *wdev = info->user_ptr[1];
12082 if (wdev->iftype != NL80211_IFTYPE_NAN)
12083 return -EOPNOTSUPP;
12085 cfg80211_stop_nan(rdev, wdev);
12090 static int validate_nan_filter(struct nlattr *filter_attr)
12092 struct nlattr *attr;
12093 int len = 0, n_entries = 0, rem;
12095 nla_for_each_nested(attr, filter_attr, rem) {
12096 len += nla_len(attr);
12106 static int handle_nan_filter(struct nlattr *attr_filter,
12107 struct cfg80211_nan_func *func,
12110 struct nlattr *attr;
12111 int n_entries, rem, i;
12112 struct cfg80211_nan_func_filter *filter;
12114 n_entries = validate_nan_filter(attr_filter);
12118 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12120 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12125 nla_for_each_nested(attr, attr_filter, rem) {
12126 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
12127 filter[i].len = nla_len(attr);
12131 func->num_tx_filters = n_entries;
12132 func->tx_filters = filter;
12134 func->num_rx_filters = n_entries;
12135 func->rx_filters = filter;
12141 static int nl80211_nan_add_func(struct sk_buff *skb,
12142 struct genl_info *info)
12144 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12145 struct wireless_dev *wdev = info->user_ptr[1];
12146 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12147 struct cfg80211_nan_func *func;
12148 struct sk_buff *msg = NULL;
12152 if (wdev->iftype != NL80211_IFTYPE_NAN)
12153 return -EOPNOTSUPP;
12155 if (!wdev_running(wdev))
12158 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
12161 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
12162 info->attrs[NL80211_ATTR_NAN_FUNC],
12163 nl80211_nan_func_policy,
12168 func = kzalloc(sizeof(*func), GFP_KERNEL);
12172 func->cookie = cfg80211_assign_cookie(rdev);
12174 if (!tb[NL80211_NAN_FUNC_TYPE] ||
12175 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
12181 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
12183 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
12188 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
12189 sizeof(func->service_id));
12191 func->close_range =
12192 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
12194 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
12195 func->serv_spec_info_len =
12196 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
12197 func->serv_spec_info =
12198 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
12199 func->serv_spec_info_len,
12201 if (!func->serv_spec_info) {
12207 if (tb[NL80211_NAN_FUNC_TTL])
12208 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
12210 switch (func->type) {
12211 case NL80211_NAN_FUNC_PUBLISH:
12212 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
12217 func->publish_type =
12218 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
12219 func->publish_bcast =
12220 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
12222 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
12223 func->publish_bcast) {
12228 case NL80211_NAN_FUNC_SUBSCRIBE:
12229 func->subscribe_active =
12230 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
12232 case NL80211_NAN_FUNC_FOLLOW_UP:
12233 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
12234 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
12235 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
12240 func->followup_id =
12241 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
12242 func->followup_reqid =
12243 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
12244 memcpy(func->followup_dest.addr,
12245 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
12246 sizeof(func->followup_dest.addr));
12257 if (tb[NL80211_NAN_FUNC_SRF]) {
12258 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
12260 err = nla_parse_nested_deprecated(srf_tb,
12261 NL80211_NAN_SRF_ATTR_MAX,
12262 tb[NL80211_NAN_FUNC_SRF],
12263 nl80211_nan_srf_policy,
12268 func->srf_include =
12269 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
12271 if (srf_tb[NL80211_NAN_SRF_BF]) {
12272 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
12273 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
12279 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
12281 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
12282 func->srf_bf_len, GFP_KERNEL);
12283 if (!func->srf_bf) {
12289 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
12291 struct nlattr *attr, *mac_attr =
12292 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
12293 int n_entries, rem, i = 0;
12300 n_entries = validate_acl_mac_addrs(mac_attr);
12301 if (n_entries <= 0) {
12306 func->srf_num_macs = n_entries;
12308 kcalloc(n_entries, sizeof(*func->srf_macs),
12310 if (!func->srf_macs) {
12315 nla_for_each_nested(attr, mac_attr, rem)
12316 memcpy(func->srf_macs[i++].addr, nla_data(attr),
12317 sizeof(*func->srf_macs));
12321 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
12322 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
12328 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
12329 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
12335 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12341 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12342 NL80211_CMD_ADD_NAN_FUNCTION);
12343 /* This can't really happen - we just allocated 4KB */
12344 if (WARN_ON(!hdr)) {
12349 err = rdev_add_nan_func(rdev, wdev, func);
12352 cfg80211_free_nan_func(func);
12357 /* propagate the instance id and cookie to userspace */
12358 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
12360 goto nla_put_failure;
12362 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12364 goto nla_put_failure;
12366 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
12367 func->instance_id))
12368 goto nla_put_failure;
12370 nla_nest_end(msg, func_attr);
12372 genlmsg_end(msg, hdr);
12373 return genlmsg_reply(msg, info);
12380 static int nl80211_nan_del_func(struct sk_buff *skb,
12381 struct genl_info *info)
12383 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12384 struct wireless_dev *wdev = info->user_ptr[1];
12387 if (wdev->iftype != NL80211_IFTYPE_NAN)
12388 return -EOPNOTSUPP;
12390 if (!wdev_running(wdev))
12393 if (!info->attrs[NL80211_ATTR_COOKIE])
12396 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12398 rdev_del_nan_func(rdev, wdev, cookie);
12403 static int nl80211_nan_change_config(struct sk_buff *skb,
12404 struct genl_info *info)
12406 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12407 struct wireless_dev *wdev = info->user_ptr[1];
12408 struct cfg80211_nan_conf conf = {};
12411 if (wdev->iftype != NL80211_IFTYPE_NAN)
12412 return -EOPNOTSUPP;
12414 if (!wdev_running(wdev))
12417 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
12419 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12420 if (conf.master_pref <= 1 || conf.master_pref == 255)
12423 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
12426 if (info->attrs[NL80211_ATTR_BANDS]) {
12427 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12429 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12430 return -EOPNOTSUPP;
12432 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12435 conf.bands = bands;
12436 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
12442 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
12445 void cfg80211_nan_match(struct wireless_dev *wdev,
12446 struct cfg80211_nan_match_params *match, gfp_t gfp)
12448 struct wiphy *wiphy = wdev->wiphy;
12449 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12450 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
12451 struct sk_buff *msg;
12454 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
12457 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12461 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
12467 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12468 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12469 wdev->netdev->ifindex)) ||
12470 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12472 goto nla_put_failure;
12474 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
12475 NL80211_ATTR_PAD) ||
12476 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
12477 goto nla_put_failure;
12479 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
12481 goto nla_put_failure;
12483 local_func_attr = nla_nest_start_noflag(msg,
12484 NL80211_NAN_MATCH_FUNC_LOCAL);
12485 if (!local_func_attr)
12486 goto nla_put_failure;
12488 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
12489 goto nla_put_failure;
12491 nla_nest_end(msg, local_func_attr);
12493 peer_func_attr = nla_nest_start_noflag(msg,
12494 NL80211_NAN_MATCH_FUNC_PEER);
12495 if (!peer_func_attr)
12496 goto nla_put_failure;
12498 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
12499 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
12500 goto nla_put_failure;
12502 if (match->info && match->info_len &&
12503 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
12505 goto nla_put_failure;
12507 nla_nest_end(msg, peer_func_attr);
12508 nla_nest_end(msg, match_attr);
12509 genlmsg_end(msg, hdr);
12511 if (!wdev->owner_nlportid)
12512 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12513 msg, 0, NL80211_MCGRP_NAN, gfp);
12515 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12516 wdev->owner_nlportid);
12523 EXPORT_SYMBOL(cfg80211_nan_match);
12525 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
12527 enum nl80211_nan_func_term_reason reason,
12528 u64 cookie, gfp_t gfp)
12530 struct wiphy *wiphy = wdev->wiphy;
12531 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12532 struct sk_buff *msg;
12533 struct nlattr *func_attr;
12536 if (WARN_ON(!inst_id))
12539 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12543 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
12549 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12550 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12551 wdev->netdev->ifindex)) ||
12552 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12554 goto nla_put_failure;
12556 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12558 goto nla_put_failure;
12560 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12562 goto nla_put_failure;
12564 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
12565 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
12566 goto nla_put_failure;
12568 nla_nest_end(msg, func_attr);
12569 genlmsg_end(msg, hdr);
12571 if (!wdev->owner_nlportid)
12572 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12573 msg, 0, NL80211_MCGRP_NAN, gfp);
12575 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12576 wdev->owner_nlportid);
12583 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
12585 static int nl80211_get_protocol_features(struct sk_buff *skb,
12586 struct genl_info *info)
12589 struct sk_buff *msg;
12591 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12595 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12596 NL80211_CMD_GET_PROTOCOL_FEATURES);
12598 goto nla_put_failure;
12600 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
12601 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
12602 goto nla_put_failure;
12604 genlmsg_end(msg, hdr);
12605 return genlmsg_reply(msg, info);
12612 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
12614 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12615 struct cfg80211_update_ft_ies_params ft_params;
12616 struct net_device *dev = info->user_ptr[1];
12618 if (!rdev->ops->update_ft_ies)
12619 return -EOPNOTSUPP;
12621 if (!info->attrs[NL80211_ATTR_MDID] ||
12622 !info->attrs[NL80211_ATTR_IE])
12625 memset(&ft_params, 0, sizeof(ft_params));
12626 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
12627 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12628 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12630 return rdev_update_ft_ies(rdev, dev, &ft_params);
12633 static int nl80211_crit_protocol_start(struct sk_buff *skb,
12634 struct genl_info *info)
12636 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12637 struct wireless_dev *wdev = info->user_ptr[1];
12638 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
12642 if (!rdev->ops->crit_proto_start)
12643 return -EOPNOTSUPP;
12645 if (WARN_ON(!rdev->ops->crit_proto_stop))
12648 if (rdev->crit_proto_nlportid)
12651 /* determine protocol if provided */
12652 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
12653 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
12655 if (proto >= NUM_NL80211_CRIT_PROTO)
12658 /* timeout must be provided */
12659 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
12663 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
12665 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
12668 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
12670 rdev->crit_proto_nlportid = info->snd_portid;
12675 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
12676 struct genl_info *info)
12678 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12679 struct wireless_dev *wdev = info->user_ptr[1];
12681 if (!rdev->ops->crit_proto_stop)
12682 return -EOPNOTSUPP;
12684 if (rdev->crit_proto_nlportid) {
12685 rdev->crit_proto_nlportid = 0;
12686 rdev_crit_proto_stop(rdev, wdev);
12691 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
12692 struct nlattr *attr,
12693 struct netlink_ext_ack *extack)
12695 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
12696 if (attr->nla_type & NLA_F_NESTED) {
12697 NL_SET_ERR_MSG_ATTR(extack, attr,
12698 "unexpected nested data");
12705 if (!(attr->nla_type & NLA_F_NESTED)) {
12706 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
12710 return nl80211_validate_nested(attr, vcmd->maxattr, vcmd->policy,
12714 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
12716 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12717 struct wireless_dev *wdev =
12718 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
12722 if (!rdev->wiphy.vendor_commands)
12723 return -EOPNOTSUPP;
12725 if (IS_ERR(wdev)) {
12726 err = PTR_ERR(wdev);
12727 if (err != -EINVAL)
12730 } else if (wdev->wiphy != &rdev->wiphy) {
12734 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
12735 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
12738 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
12739 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
12740 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
12741 const struct wiphy_vendor_command *vcmd;
12745 vcmd = &rdev->wiphy.vendor_commands[i];
12747 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12750 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12751 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12754 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12758 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12759 if (!wdev_running(wdev))
12764 return -EOPNOTSUPP;
12769 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
12770 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12771 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12773 err = nl80211_vendor_check_policy(vcmd,
12774 info->attrs[NL80211_ATTR_VENDOR_DATA],
12780 rdev->cur_cmd_info = info;
12781 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
12782 rdev->cur_cmd_info = NULL;
12786 return -EOPNOTSUPP;
12789 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
12790 struct netlink_callback *cb,
12791 struct cfg80211_registered_device **rdev,
12792 struct wireless_dev **wdev)
12794 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
12800 unsigned int data_len = 0;
12803 /* subtract the 1 again here */
12804 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
12805 struct wireless_dev *tmp;
12809 *rdev = wiphy_to_rdev(wiphy);
12813 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
12814 if (tmp->identifier == cb->args[1] - 1) {
12821 /* keep rtnl locked in successful case */
12825 err = nlmsg_parse_deprecated(cb->nlh,
12826 GENL_HDRLEN + nl80211_fam.hdrsize,
12827 attrbuf, nl80211_fam.maxattr,
12828 nl80211_policy, NULL);
12832 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
12833 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD])
12836 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
12840 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
12842 return PTR_ERR(*rdev);
12844 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
12845 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
12847 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
12848 const struct wiphy_vendor_command *vcmd;
12850 vcmd = &(*rdev)->wiphy.vendor_commands[i];
12852 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12856 return -EOPNOTSUPP;
12863 return -EOPNOTSUPP;
12865 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
12866 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
12867 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
12869 err = nl80211_vendor_check_policy(
12870 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
12871 attrbuf[NL80211_ATTR_VENDOR_DATA],
12877 /* 0 is the first index - add 1 to parse only once */
12878 cb->args[0] = (*rdev)->wiphy_idx + 1;
12879 /* add 1 to know if it was NULL */
12880 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
12881 cb->args[2] = vcmd_idx;
12882 cb->args[3] = (unsigned long)data;
12883 cb->args[4] = data_len;
12885 /* keep rtnl locked in successful case */
12889 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
12890 struct netlink_callback *cb)
12892 struct cfg80211_registered_device *rdev;
12893 struct wireless_dev *wdev;
12894 unsigned int vcmd_idx;
12895 const struct wiphy_vendor_command *vcmd;
12899 struct nlattr *vendor_data;
12902 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
12906 vcmd_idx = cb->args[2];
12907 data = (void *)cb->args[3];
12908 data_len = cb->args[4];
12909 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
12911 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12912 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12917 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12923 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12924 if (!wdev_running(wdev)) {
12932 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
12933 cb->nlh->nlmsg_seq, NLM_F_MULTI,
12934 NL80211_CMD_VENDOR);
12938 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12939 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
12941 NL80211_ATTR_PAD))) {
12942 genlmsg_cancel(skb, hdr);
12946 vendor_data = nla_nest_start_noflag(skb,
12947 NL80211_ATTR_VENDOR_DATA);
12948 if (!vendor_data) {
12949 genlmsg_cancel(skb, hdr);
12953 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
12954 (unsigned long *)&cb->args[5]);
12955 nla_nest_end(skb, vendor_data);
12957 if (err == -ENOBUFS || err == -ENOENT) {
12958 genlmsg_cancel(skb, hdr);
12961 genlmsg_cancel(skb, hdr);
12965 genlmsg_end(skb, hdr);
12974 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
12975 enum nl80211_commands cmd,
12976 enum nl80211_attrs attr,
12979 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12981 if (WARN_ON(!rdev->cur_cmd_info))
12984 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
12985 rdev->cur_cmd_info->snd_portid,
12986 rdev->cur_cmd_info->snd_seq,
12987 cmd, attr, NULL, GFP_KERNEL);
12989 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
12991 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
12993 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
12994 void *hdr = ((void **)skb->cb)[1];
12995 struct nlattr *data = ((void **)skb->cb)[2];
12997 /* clear CB data for netlink core to own from now on */
12998 memset(skb->cb, 0, sizeof(skb->cb));
13000 if (WARN_ON(!rdev->cur_cmd_info)) {
13005 nla_nest_end(skb, data);
13006 genlmsg_end(skb, hdr);
13007 return genlmsg_reply(skb, rdev->cur_cmd_info);
13009 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
13011 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
13013 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13015 if (WARN_ON(!rdev->cur_cmd_info))
13018 return rdev->cur_cmd_info->snd_portid;
13020 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
13022 static int nl80211_set_qos_map(struct sk_buff *skb,
13023 struct genl_info *info)
13025 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13026 struct cfg80211_qos_map *qos_map = NULL;
13027 struct net_device *dev = info->user_ptr[1];
13028 u8 *pos, len, num_des, des_len, des;
13031 if (!rdev->ops->set_qos_map)
13032 return -EOPNOTSUPP;
13034 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
13035 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
13036 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
13038 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
13039 len > IEEE80211_QOS_MAP_LEN_MAX)
13042 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
13046 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
13048 des_len = num_des *
13049 sizeof(struct cfg80211_dscp_exception);
13050 memcpy(qos_map->dscp_exception, pos, des_len);
13051 qos_map->num_des = num_des;
13052 for (des = 0; des < num_des; des++) {
13053 if (qos_map->dscp_exception[des].up > 7) {
13060 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
13063 wdev_lock(dev->ieee80211_ptr);
13064 ret = nl80211_key_allowed(dev->ieee80211_ptr);
13066 ret = rdev_set_qos_map(rdev, dev, qos_map);
13067 wdev_unlock(dev->ieee80211_ptr);
13073 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
13075 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13076 struct net_device *dev = info->user_ptr[1];
13077 struct wireless_dev *wdev = dev->ieee80211_ptr;
13080 u16 admitted_time = 0;
13083 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
13084 return -EOPNOTSUPP;
13086 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
13087 !info->attrs[NL80211_ATTR_USER_PRIO])
13090 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13091 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
13093 /* WMM uses TIDs 0-7 even for TSPEC */
13094 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
13095 /* TODO: handle 802.11 TSPEC/admission control
13096 * need more attributes for that (e.g. BA session requirement);
13097 * change the WMM adminssion test above to allow both then
13102 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13104 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13106 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13107 if (!admitted_time)
13112 switch (wdev->iftype) {
13113 case NL80211_IFTYPE_STATION:
13114 case NL80211_IFTYPE_P2P_CLIENT:
13115 if (wdev->current_bss)
13124 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13131 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13133 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13134 struct net_device *dev = info->user_ptr[1];
13135 struct wireless_dev *wdev = dev->ieee80211_ptr;
13140 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13143 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13144 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13147 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
13153 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
13154 struct genl_info *info)
13156 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13157 struct net_device *dev = info->user_ptr[1];
13158 struct wireless_dev *wdev = dev->ieee80211_ptr;
13159 struct cfg80211_chan_def chandef = {};
13164 if (!rdev->ops->tdls_channel_switch ||
13165 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13166 return -EOPNOTSUPP;
13168 switch (dev->ieee80211_ptr->iftype) {
13169 case NL80211_IFTYPE_STATION:
13170 case NL80211_IFTYPE_P2P_CLIENT:
13173 return -EOPNOTSUPP;
13176 if (!info->attrs[NL80211_ATTR_MAC] ||
13177 !info->attrs[NL80211_ATTR_OPER_CLASS])
13180 err = nl80211_parse_chandef(rdev, info, &chandef);
13185 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
13186 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
13187 * specification is not defined for them.
13189 if (chandef.chan->band == NL80211_BAND_2GHZ &&
13190 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
13191 chandef.width != NL80211_CHAN_WIDTH_20)
13194 /* we will be active on the TDLS link */
13195 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
13199 /* don't allow switching to DFS channels */
13200 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
13203 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13204 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
13207 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
13213 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
13214 struct genl_info *info)
13216 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13217 struct net_device *dev = info->user_ptr[1];
13218 struct wireless_dev *wdev = dev->ieee80211_ptr;
13221 if (!rdev->ops->tdls_channel_switch ||
13222 !rdev->ops->tdls_cancel_channel_switch ||
13223 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13224 return -EOPNOTSUPP;
13226 switch (dev->ieee80211_ptr->iftype) {
13227 case NL80211_IFTYPE_STATION:
13228 case NL80211_IFTYPE_P2P_CLIENT:
13231 return -EOPNOTSUPP;
13234 if (!info->attrs[NL80211_ATTR_MAC])
13237 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13240 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
13246 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
13247 struct genl_info *info)
13249 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13250 struct net_device *dev = info->user_ptr[1];
13251 struct wireless_dev *wdev = dev->ieee80211_ptr;
13252 const struct nlattr *nla;
13255 if (!rdev->ops->set_multicast_to_unicast)
13256 return -EOPNOTSUPP;
13258 if (wdev->iftype != NL80211_IFTYPE_AP &&
13259 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13260 return -EOPNOTSUPP;
13262 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
13263 enabled = nla_get_flag(nla);
13265 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
13268 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
13270 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13271 struct net_device *dev = info->user_ptr[1];
13272 struct wireless_dev *wdev = dev->ieee80211_ptr;
13273 struct cfg80211_pmk_conf pmk_conf = {};
13276 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13277 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13278 return -EOPNOTSUPP;
13280 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13281 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13282 return -EOPNOTSUPP;
13284 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
13288 if (!wdev->current_bss) {
13293 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13294 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
13299 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
13300 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
13301 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
13302 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
13307 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
13308 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13310 if (r0_name_len != WLAN_PMK_NAME_LEN) {
13315 pmk_conf.pmk_r0_name =
13316 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13319 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
13325 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
13327 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13328 struct net_device *dev = info->user_ptr[1];
13329 struct wireless_dev *wdev = dev->ieee80211_ptr;
13333 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13334 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13335 return -EOPNOTSUPP;
13337 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13338 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13339 return -EOPNOTSUPP;
13341 if (!info->attrs[NL80211_ATTR_MAC])
13345 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13346 ret = rdev_del_pmk(rdev, dev, aa);
13352 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
13354 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13355 struct net_device *dev = info->user_ptr[1];
13356 struct cfg80211_external_auth_params params;
13358 if (!rdev->ops->external_auth)
13359 return -EOPNOTSUPP;
13361 if (!info->attrs[NL80211_ATTR_SSID] &&
13362 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
13363 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
13366 if (!info->attrs[NL80211_ATTR_BSSID])
13369 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
13372 memset(¶ms, 0, sizeof(params));
13374 if (info->attrs[NL80211_ATTR_SSID]) {
13375 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
13376 if (params.ssid.ssid_len == 0 ||
13377 params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
13379 memcpy(params.ssid.ssid,
13380 nla_data(info->attrs[NL80211_ATTR_SSID]),
13381 params.ssid.ssid_len);
13384 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
13387 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13389 if (info->attrs[NL80211_ATTR_PMKID])
13390 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
13392 return rdev_external_auth(rdev, dev, ¶ms);
13395 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
13397 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13398 struct net_device *dev = info->user_ptr[1];
13399 struct wireless_dev *wdev = dev->ieee80211_ptr;
13407 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13408 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
13409 return -EOPNOTSUPP;
13411 if (!rdev->ops->tx_control_port)
13412 return -EOPNOTSUPP;
13414 if (!info->attrs[NL80211_ATTR_FRAME] ||
13415 !info->attrs[NL80211_ATTR_MAC] ||
13416 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
13417 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
13423 switch (wdev->iftype) {
13424 case NL80211_IFTYPE_AP:
13425 case NL80211_IFTYPE_P2P_GO:
13426 case NL80211_IFTYPE_MESH_POINT:
13428 case NL80211_IFTYPE_ADHOC:
13429 case NL80211_IFTYPE_STATION:
13430 case NL80211_IFTYPE_P2P_CLIENT:
13431 if (wdev->current_bss)
13442 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13443 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13444 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13445 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
13447 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
13449 return rdev_tx_control_port(rdev, dev, buf, len,
13450 dest, cpu_to_be16(proto), noencrypt);
13457 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
13458 struct genl_info *info)
13460 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13461 struct net_device *dev = info->user_ptr[1];
13462 struct wireless_dev *wdev = dev->ieee80211_ptr;
13463 struct cfg80211_ftm_responder_stats ftm_stats = {};
13464 struct sk_buff *msg;
13466 struct nlattr *ftm_stats_attr;
13469 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
13470 return -EOPNOTSUPP;
13472 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
13476 if (!ftm_stats.filled)
13479 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13483 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13484 NL80211_CMD_GET_FTM_RESPONDER_STATS);
13488 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13489 goto nla_put_failure;
13491 ftm_stats_attr = nla_nest_start_noflag(msg,
13492 NL80211_ATTR_FTM_RESPONDER_STATS);
13493 if (!ftm_stats_attr)
13494 goto nla_put_failure;
13496 #define SET_FTM(field, name, type) \
13497 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13498 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13499 ftm_stats.field)) \
13500 goto nla_put_failure; } while (0)
13501 #define SET_FTM_U64(field, name) \
13502 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13503 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13504 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13505 goto nla_put_failure; } while (0)
13507 SET_FTM(success_num, SUCCESS_NUM, u32);
13508 SET_FTM(partial_num, PARTIAL_NUM, u32);
13509 SET_FTM(failed_num, FAILED_NUM, u32);
13510 SET_FTM(asap_num, ASAP_NUM, u32);
13511 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
13512 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
13513 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
13514 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
13515 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
13518 nla_nest_end(msg, ftm_stats_attr);
13520 genlmsg_end(msg, hdr);
13521 return genlmsg_reply(msg, info);
13528 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
13530 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13531 struct cfg80211_update_owe_info owe_info;
13532 struct net_device *dev = info->user_ptr[1];
13534 if (!rdev->ops->update_owe_info)
13535 return -EOPNOTSUPP;
13537 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
13538 !info->attrs[NL80211_ATTR_MAC])
13541 memset(&owe_info, 0, sizeof(owe_info));
13542 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13543 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
13545 if (info->attrs[NL80211_ATTR_IE]) {
13546 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13547 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13550 return rdev_update_owe_info(rdev, dev, &owe_info);
13553 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
13555 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13556 struct net_device *dev = info->user_ptr[1];
13557 struct wireless_dev *wdev = dev->ieee80211_ptr;
13558 struct station_info sinfo = {};
13564 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
13565 return -EOPNOTSUPP;
13567 if (!info->attrs[NL80211_ATTR_MAC] ||
13568 !info->attrs[NL80211_ATTR_FRAME]) {
13569 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
13573 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
13574 return -EOPNOTSUPP;
13576 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13577 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13578 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13580 if (len < sizeof(struct ethhdr))
13583 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
13584 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
13587 err = rdev_get_station(rdev, dev, dest, &sinfo);
13591 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
13594 #define NL80211_FLAG_NEED_WIPHY 0x01
13595 #define NL80211_FLAG_NEED_NETDEV 0x02
13596 #define NL80211_FLAG_NEED_RTNL 0x04
13597 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
13598 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
13599 NL80211_FLAG_CHECK_NETDEV_UP)
13600 #define NL80211_FLAG_NEED_WDEV 0x10
13601 /* If a netdev is associated, it must be UP, P2P must be started */
13602 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
13603 NL80211_FLAG_CHECK_NETDEV_UP)
13604 #define NL80211_FLAG_CLEAR_SKB 0x20
13606 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
13607 struct genl_info *info)
13609 struct cfg80211_registered_device *rdev;
13610 struct wireless_dev *wdev;
13611 struct net_device *dev;
13612 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
13617 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
13618 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
13619 if (IS_ERR(rdev)) {
13622 return PTR_ERR(rdev);
13624 info->user_ptr[0] = rdev;
13625 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
13626 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13629 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
13631 if (IS_ERR(wdev)) {
13634 return PTR_ERR(wdev);
13637 dev = wdev->netdev;
13638 rdev = wiphy_to_rdev(wdev->wiphy);
13640 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
13647 info->user_ptr[1] = dev;
13649 info->user_ptr[1] = wdev;
13652 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
13653 !wdev_running(wdev)) {
13662 info->user_ptr[0] = rdev;
13668 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
13669 struct genl_info *info)
13671 if (info->user_ptr[1]) {
13672 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13673 struct wireless_dev *wdev = info->user_ptr[1];
13676 dev_put(wdev->netdev);
13678 dev_put(info->user_ptr[1]);
13682 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
13685 /* If needed, clear the netlink message payload from the SKB
13686 * as it might contain key data that shouldn't stick around on
13687 * the heap after the SKB is freed. The netlink message header
13688 * is still needed for further processing, so leave it intact.
13690 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
13691 struct nlmsghdr *nlh = nlmsg_hdr(skb);
13693 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
13697 static const struct genl_ops nl80211_ops[] = {
13699 .cmd = NL80211_CMD_GET_WIPHY,
13700 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13701 .doit = nl80211_get_wiphy,
13702 .dumpit = nl80211_dump_wiphy,
13703 .done = nl80211_dump_wiphy_done,
13704 /* can be retrieved by unprivileged users */
13705 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13706 NL80211_FLAG_NEED_RTNL,
13709 .cmd = NL80211_CMD_SET_WIPHY,
13710 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13711 .doit = nl80211_set_wiphy,
13712 .flags = GENL_UNS_ADMIN_PERM,
13713 .internal_flags = NL80211_FLAG_NEED_RTNL,
13716 .cmd = NL80211_CMD_GET_INTERFACE,
13717 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13718 .doit = nl80211_get_interface,
13719 .dumpit = nl80211_dump_interface,
13720 /* can be retrieved by unprivileged users */
13721 .internal_flags = NL80211_FLAG_NEED_WDEV |
13722 NL80211_FLAG_NEED_RTNL,
13725 .cmd = NL80211_CMD_SET_INTERFACE,
13726 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13727 .doit = nl80211_set_interface,
13728 .flags = GENL_UNS_ADMIN_PERM,
13729 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13730 NL80211_FLAG_NEED_RTNL,
13733 .cmd = NL80211_CMD_NEW_INTERFACE,
13734 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13735 .doit = nl80211_new_interface,
13736 .flags = GENL_UNS_ADMIN_PERM,
13737 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13738 NL80211_FLAG_NEED_RTNL,
13741 .cmd = NL80211_CMD_DEL_INTERFACE,
13742 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13743 .doit = nl80211_del_interface,
13744 .flags = GENL_UNS_ADMIN_PERM,
13745 .internal_flags = NL80211_FLAG_NEED_WDEV |
13746 NL80211_FLAG_NEED_RTNL,
13749 .cmd = NL80211_CMD_GET_KEY,
13750 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13751 .doit = nl80211_get_key,
13752 .flags = GENL_UNS_ADMIN_PERM,
13753 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13754 NL80211_FLAG_NEED_RTNL,
13757 .cmd = NL80211_CMD_SET_KEY,
13758 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13759 .doit = nl80211_set_key,
13760 .flags = GENL_UNS_ADMIN_PERM,
13761 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13762 NL80211_FLAG_NEED_RTNL |
13763 NL80211_FLAG_CLEAR_SKB,
13766 .cmd = NL80211_CMD_NEW_KEY,
13767 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13768 .doit = nl80211_new_key,
13769 .flags = GENL_UNS_ADMIN_PERM,
13770 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13771 NL80211_FLAG_NEED_RTNL |
13772 NL80211_FLAG_CLEAR_SKB,
13775 .cmd = NL80211_CMD_DEL_KEY,
13776 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13777 .doit = nl80211_del_key,
13778 .flags = GENL_UNS_ADMIN_PERM,
13779 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13780 NL80211_FLAG_NEED_RTNL,
13783 .cmd = NL80211_CMD_SET_BEACON,
13784 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13785 .flags = GENL_UNS_ADMIN_PERM,
13786 .doit = nl80211_set_beacon,
13787 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13788 NL80211_FLAG_NEED_RTNL,
13791 .cmd = NL80211_CMD_START_AP,
13792 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13793 .flags = GENL_UNS_ADMIN_PERM,
13794 .doit = nl80211_start_ap,
13795 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13796 NL80211_FLAG_NEED_RTNL,
13799 .cmd = NL80211_CMD_STOP_AP,
13800 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13801 .flags = GENL_UNS_ADMIN_PERM,
13802 .doit = nl80211_stop_ap,
13803 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13804 NL80211_FLAG_NEED_RTNL,
13807 .cmd = NL80211_CMD_GET_STATION,
13808 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13809 .doit = nl80211_get_station,
13810 .dumpit = nl80211_dump_station,
13811 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13812 NL80211_FLAG_NEED_RTNL,
13815 .cmd = NL80211_CMD_SET_STATION,
13816 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13817 .doit = nl80211_set_station,
13818 .flags = GENL_UNS_ADMIN_PERM,
13819 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13820 NL80211_FLAG_NEED_RTNL,
13823 .cmd = NL80211_CMD_NEW_STATION,
13824 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13825 .doit = nl80211_new_station,
13826 .flags = GENL_UNS_ADMIN_PERM,
13827 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13828 NL80211_FLAG_NEED_RTNL,
13831 .cmd = NL80211_CMD_DEL_STATION,
13832 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13833 .doit = nl80211_del_station,
13834 .flags = GENL_UNS_ADMIN_PERM,
13835 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13836 NL80211_FLAG_NEED_RTNL,
13839 .cmd = NL80211_CMD_GET_MPATH,
13840 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13841 .doit = nl80211_get_mpath,
13842 .dumpit = nl80211_dump_mpath,
13843 .flags = GENL_UNS_ADMIN_PERM,
13844 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13845 NL80211_FLAG_NEED_RTNL,
13848 .cmd = NL80211_CMD_GET_MPP,
13849 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13850 .doit = nl80211_get_mpp,
13851 .dumpit = nl80211_dump_mpp,
13852 .flags = GENL_UNS_ADMIN_PERM,
13853 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13854 NL80211_FLAG_NEED_RTNL,
13857 .cmd = NL80211_CMD_SET_MPATH,
13858 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13859 .doit = nl80211_set_mpath,
13860 .flags = GENL_UNS_ADMIN_PERM,
13861 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13862 NL80211_FLAG_NEED_RTNL,
13865 .cmd = NL80211_CMD_NEW_MPATH,
13866 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13867 .doit = nl80211_new_mpath,
13868 .flags = GENL_UNS_ADMIN_PERM,
13869 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13870 NL80211_FLAG_NEED_RTNL,
13873 .cmd = NL80211_CMD_DEL_MPATH,
13874 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13875 .doit = nl80211_del_mpath,
13876 .flags = GENL_UNS_ADMIN_PERM,
13877 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13878 NL80211_FLAG_NEED_RTNL,
13881 .cmd = NL80211_CMD_SET_BSS,
13882 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13883 .doit = nl80211_set_bss,
13884 .flags = GENL_UNS_ADMIN_PERM,
13885 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13886 NL80211_FLAG_NEED_RTNL,
13889 .cmd = NL80211_CMD_GET_REG,
13890 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13891 .doit = nl80211_get_reg_do,
13892 .dumpit = nl80211_get_reg_dump,
13893 .internal_flags = NL80211_FLAG_NEED_RTNL,
13894 /* can be retrieved by unprivileged users */
13896 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
13898 .cmd = NL80211_CMD_SET_REG,
13899 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13900 .doit = nl80211_set_reg,
13901 .flags = GENL_ADMIN_PERM,
13902 .internal_flags = NL80211_FLAG_NEED_RTNL,
13906 .cmd = NL80211_CMD_REQ_SET_REG,
13907 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13908 .doit = nl80211_req_set_reg,
13909 .flags = GENL_ADMIN_PERM,
13912 .cmd = NL80211_CMD_RELOAD_REGDB,
13913 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13914 .doit = nl80211_reload_regdb,
13915 .flags = GENL_ADMIN_PERM,
13918 .cmd = NL80211_CMD_GET_MESH_CONFIG,
13919 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13920 .doit = nl80211_get_mesh_config,
13921 /* can be retrieved by unprivileged users */
13922 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13923 NL80211_FLAG_NEED_RTNL,
13926 .cmd = NL80211_CMD_SET_MESH_CONFIG,
13927 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13928 .doit = nl80211_update_mesh_config,
13929 .flags = GENL_UNS_ADMIN_PERM,
13930 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13931 NL80211_FLAG_NEED_RTNL,
13934 .cmd = NL80211_CMD_TRIGGER_SCAN,
13935 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13936 .doit = nl80211_trigger_scan,
13937 .flags = GENL_UNS_ADMIN_PERM,
13938 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13939 NL80211_FLAG_NEED_RTNL,
13942 .cmd = NL80211_CMD_ABORT_SCAN,
13943 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13944 .doit = nl80211_abort_scan,
13945 .flags = GENL_UNS_ADMIN_PERM,
13946 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13947 NL80211_FLAG_NEED_RTNL,
13950 .cmd = NL80211_CMD_GET_SCAN,
13951 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13952 .dumpit = nl80211_dump_scan,
13955 .cmd = NL80211_CMD_START_SCHED_SCAN,
13956 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13957 .doit = nl80211_start_sched_scan,
13958 .flags = GENL_UNS_ADMIN_PERM,
13959 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13960 NL80211_FLAG_NEED_RTNL,
13963 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
13964 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13965 .doit = nl80211_stop_sched_scan,
13966 .flags = GENL_UNS_ADMIN_PERM,
13967 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13968 NL80211_FLAG_NEED_RTNL,
13971 .cmd = NL80211_CMD_AUTHENTICATE,
13972 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13973 .doit = nl80211_authenticate,
13974 .flags = GENL_UNS_ADMIN_PERM,
13975 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13976 NL80211_FLAG_NEED_RTNL |
13977 NL80211_FLAG_CLEAR_SKB,
13980 .cmd = NL80211_CMD_ASSOCIATE,
13981 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13982 .doit = nl80211_associate,
13983 .flags = GENL_UNS_ADMIN_PERM,
13984 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13985 NL80211_FLAG_NEED_RTNL |
13986 NL80211_FLAG_CLEAR_SKB,
13989 .cmd = NL80211_CMD_DEAUTHENTICATE,
13990 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13991 .doit = nl80211_deauthenticate,
13992 .flags = GENL_UNS_ADMIN_PERM,
13993 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13994 NL80211_FLAG_NEED_RTNL,
13997 .cmd = NL80211_CMD_DISASSOCIATE,
13998 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13999 .doit = nl80211_disassociate,
14000 .flags = GENL_UNS_ADMIN_PERM,
14001 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14002 NL80211_FLAG_NEED_RTNL,
14005 .cmd = NL80211_CMD_JOIN_IBSS,
14006 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14007 .doit = nl80211_join_ibss,
14008 .flags = GENL_UNS_ADMIN_PERM,
14009 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14010 NL80211_FLAG_NEED_RTNL,
14013 .cmd = NL80211_CMD_LEAVE_IBSS,
14014 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14015 .doit = nl80211_leave_ibss,
14016 .flags = GENL_UNS_ADMIN_PERM,
14017 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14018 NL80211_FLAG_NEED_RTNL,
14020 #ifdef CONFIG_NL80211_TESTMODE
14022 .cmd = NL80211_CMD_TESTMODE,
14023 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14024 .doit = nl80211_testmode_do,
14025 .dumpit = nl80211_testmode_dump,
14026 .flags = GENL_UNS_ADMIN_PERM,
14027 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14028 NL80211_FLAG_NEED_RTNL,
14032 .cmd = NL80211_CMD_CONNECT,
14033 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14034 .doit = nl80211_connect,
14035 .flags = GENL_UNS_ADMIN_PERM,
14036 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14037 NL80211_FLAG_NEED_RTNL |
14038 NL80211_FLAG_CLEAR_SKB,
14041 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
14042 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14043 .doit = nl80211_update_connect_params,
14044 .flags = GENL_ADMIN_PERM,
14045 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14046 NL80211_FLAG_NEED_RTNL |
14047 NL80211_FLAG_CLEAR_SKB,
14050 .cmd = NL80211_CMD_DISCONNECT,
14051 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14052 .doit = nl80211_disconnect,
14053 .flags = GENL_UNS_ADMIN_PERM,
14054 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14055 NL80211_FLAG_NEED_RTNL,
14058 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
14059 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14060 .doit = nl80211_wiphy_netns,
14061 .flags = GENL_UNS_ADMIN_PERM,
14062 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14063 NL80211_FLAG_NEED_RTNL,
14066 .cmd = NL80211_CMD_GET_SURVEY,
14067 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14068 .dumpit = nl80211_dump_survey,
14071 .cmd = NL80211_CMD_SET_PMKSA,
14072 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14073 .doit = nl80211_setdel_pmksa,
14074 .flags = GENL_UNS_ADMIN_PERM,
14075 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14076 NL80211_FLAG_NEED_RTNL |
14077 NL80211_FLAG_CLEAR_SKB,
14080 .cmd = NL80211_CMD_DEL_PMKSA,
14081 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14082 .doit = nl80211_setdel_pmksa,
14083 .flags = GENL_UNS_ADMIN_PERM,
14084 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14085 NL80211_FLAG_NEED_RTNL,
14088 .cmd = NL80211_CMD_FLUSH_PMKSA,
14089 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14090 .doit = nl80211_flush_pmksa,
14091 .flags = GENL_UNS_ADMIN_PERM,
14092 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14093 NL80211_FLAG_NEED_RTNL,
14096 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
14097 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14098 .doit = nl80211_remain_on_channel,
14099 .flags = GENL_UNS_ADMIN_PERM,
14100 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14101 NL80211_FLAG_NEED_RTNL,
14104 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
14105 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14106 .doit = nl80211_cancel_remain_on_channel,
14107 .flags = GENL_UNS_ADMIN_PERM,
14108 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14109 NL80211_FLAG_NEED_RTNL,
14112 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
14113 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14114 .doit = nl80211_set_tx_bitrate_mask,
14115 .flags = GENL_UNS_ADMIN_PERM,
14116 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14117 NL80211_FLAG_NEED_RTNL,
14120 .cmd = NL80211_CMD_REGISTER_FRAME,
14121 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14122 .doit = nl80211_register_mgmt,
14123 .flags = GENL_UNS_ADMIN_PERM,
14124 .internal_flags = NL80211_FLAG_NEED_WDEV |
14125 NL80211_FLAG_NEED_RTNL,
14128 .cmd = NL80211_CMD_FRAME,
14129 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14130 .doit = nl80211_tx_mgmt,
14131 .flags = GENL_UNS_ADMIN_PERM,
14132 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14133 NL80211_FLAG_NEED_RTNL,
14136 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
14137 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14138 .doit = nl80211_tx_mgmt_cancel_wait,
14139 .flags = GENL_UNS_ADMIN_PERM,
14140 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14141 NL80211_FLAG_NEED_RTNL,
14144 .cmd = NL80211_CMD_SET_POWER_SAVE,
14145 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14146 .doit = nl80211_set_power_save,
14147 .flags = GENL_UNS_ADMIN_PERM,
14148 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14149 NL80211_FLAG_NEED_RTNL,
14152 .cmd = NL80211_CMD_GET_POWER_SAVE,
14153 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14154 .doit = nl80211_get_power_save,
14155 /* can be retrieved by unprivileged users */
14156 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14157 NL80211_FLAG_NEED_RTNL,
14160 .cmd = NL80211_CMD_SET_CQM,
14161 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14162 .doit = nl80211_set_cqm,
14163 .flags = GENL_UNS_ADMIN_PERM,
14164 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14165 NL80211_FLAG_NEED_RTNL,
14168 .cmd = NL80211_CMD_SET_CHANNEL,
14169 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14170 .doit = nl80211_set_channel,
14171 .flags = GENL_UNS_ADMIN_PERM,
14172 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14173 NL80211_FLAG_NEED_RTNL,
14176 .cmd = NL80211_CMD_SET_WDS_PEER,
14177 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14178 .doit = nl80211_set_wds_peer,
14179 .flags = GENL_UNS_ADMIN_PERM,
14180 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14181 NL80211_FLAG_NEED_RTNL,
14184 .cmd = NL80211_CMD_JOIN_MESH,
14185 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14186 .doit = nl80211_join_mesh,
14187 .flags = GENL_UNS_ADMIN_PERM,
14188 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14189 NL80211_FLAG_NEED_RTNL,
14192 .cmd = NL80211_CMD_LEAVE_MESH,
14193 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14194 .doit = nl80211_leave_mesh,
14195 .flags = GENL_UNS_ADMIN_PERM,
14196 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14197 NL80211_FLAG_NEED_RTNL,
14200 .cmd = NL80211_CMD_JOIN_OCB,
14201 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14202 .doit = nl80211_join_ocb,
14203 .flags = GENL_UNS_ADMIN_PERM,
14204 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14205 NL80211_FLAG_NEED_RTNL,
14208 .cmd = NL80211_CMD_LEAVE_OCB,
14209 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14210 .doit = nl80211_leave_ocb,
14211 .flags = GENL_UNS_ADMIN_PERM,
14212 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14213 NL80211_FLAG_NEED_RTNL,
14217 .cmd = NL80211_CMD_GET_WOWLAN,
14218 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14219 .doit = nl80211_get_wowlan,
14220 /* can be retrieved by unprivileged users */
14221 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14222 NL80211_FLAG_NEED_RTNL,
14225 .cmd = NL80211_CMD_SET_WOWLAN,
14226 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14227 .doit = nl80211_set_wowlan,
14228 .flags = GENL_UNS_ADMIN_PERM,
14229 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14230 NL80211_FLAG_NEED_RTNL,
14234 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
14235 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14236 .doit = nl80211_set_rekey_data,
14237 .flags = GENL_UNS_ADMIN_PERM,
14238 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14239 NL80211_FLAG_NEED_RTNL |
14240 NL80211_FLAG_CLEAR_SKB,
14243 .cmd = NL80211_CMD_TDLS_MGMT,
14244 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14245 .doit = nl80211_tdls_mgmt,
14246 .flags = GENL_UNS_ADMIN_PERM,
14247 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14248 NL80211_FLAG_NEED_RTNL,
14251 .cmd = NL80211_CMD_TDLS_OPER,
14252 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14253 .doit = nl80211_tdls_oper,
14254 .flags = GENL_UNS_ADMIN_PERM,
14255 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14256 NL80211_FLAG_NEED_RTNL,
14259 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
14260 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14261 .doit = nl80211_register_unexpected_frame,
14262 .flags = GENL_UNS_ADMIN_PERM,
14263 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14264 NL80211_FLAG_NEED_RTNL,
14267 .cmd = NL80211_CMD_PROBE_CLIENT,
14268 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14269 .doit = nl80211_probe_client,
14270 .flags = GENL_UNS_ADMIN_PERM,
14271 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14272 NL80211_FLAG_NEED_RTNL,
14275 .cmd = NL80211_CMD_REGISTER_BEACONS,
14276 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14277 .doit = nl80211_register_beacons,
14278 .flags = GENL_UNS_ADMIN_PERM,
14279 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14280 NL80211_FLAG_NEED_RTNL,
14283 .cmd = NL80211_CMD_SET_NOACK_MAP,
14284 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14285 .doit = nl80211_set_noack_map,
14286 .flags = GENL_UNS_ADMIN_PERM,
14287 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14288 NL80211_FLAG_NEED_RTNL,
14291 .cmd = NL80211_CMD_START_P2P_DEVICE,
14292 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14293 .doit = nl80211_start_p2p_device,
14294 .flags = GENL_UNS_ADMIN_PERM,
14295 .internal_flags = NL80211_FLAG_NEED_WDEV |
14296 NL80211_FLAG_NEED_RTNL,
14299 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
14300 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14301 .doit = nl80211_stop_p2p_device,
14302 .flags = GENL_UNS_ADMIN_PERM,
14303 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14304 NL80211_FLAG_NEED_RTNL,
14307 .cmd = NL80211_CMD_START_NAN,
14308 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14309 .doit = nl80211_start_nan,
14310 .flags = GENL_ADMIN_PERM,
14311 .internal_flags = NL80211_FLAG_NEED_WDEV |
14312 NL80211_FLAG_NEED_RTNL,
14315 .cmd = NL80211_CMD_STOP_NAN,
14316 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14317 .doit = nl80211_stop_nan,
14318 .flags = GENL_ADMIN_PERM,
14319 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14320 NL80211_FLAG_NEED_RTNL,
14323 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
14324 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14325 .doit = nl80211_nan_add_func,
14326 .flags = GENL_ADMIN_PERM,
14327 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14328 NL80211_FLAG_NEED_RTNL,
14331 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
14332 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14333 .doit = nl80211_nan_del_func,
14334 .flags = GENL_ADMIN_PERM,
14335 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14336 NL80211_FLAG_NEED_RTNL,
14339 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
14340 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14341 .doit = nl80211_nan_change_config,
14342 .flags = GENL_ADMIN_PERM,
14343 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14344 NL80211_FLAG_NEED_RTNL,
14347 .cmd = NL80211_CMD_SET_MCAST_RATE,
14348 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14349 .doit = nl80211_set_mcast_rate,
14350 .flags = GENL_UNS_ADMIN_PERM,
14351 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14352 NL80211_FLAG_NEED_RTNL,
14355 .cmd = NL80211_CMD_SET_MAC_ACL,
14356 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14357 .doit = nl80211_set_mac_acl,
14358 .flags = GENL_UNS_ADMIN_PERM,
14359 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14360 NL80211_FLAG_NEED_RTNL,
14363 .cmd = NL80211_CMD_RADAR_DETECT,
14364 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14365 .doit = nl80211_start_radar_detection,
14366 .flags = GENL_UNS_ADMIN_PERM,
14367 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14368 NL80211_FLAG_NEED_RTNL,
14371 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
14372 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14373 .doit = nl80211_get_protocol_features,
14376 .cmd = NL80211_CMD_UPDATE_FT_IES,
14377 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14378 .doit = nl80211_update_ft_ies,
14379 .flags = GENL_UNS_ADMIN_PERM,
14380 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14381 NL80211_FLAG_NEED_RTNL,
14384 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
14385 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14386 .doit = nl80211_crit_protocol_start,
14387 .flags = GENL_UNS_ADMIN_PERM,
14388 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14389 NL80211_FLAG_NEED_RTNL,
14392 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
14393 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14394 .doit = nl80211_crit_protocol_stop,
14395 .flags = GENL_UNS_ADMIN_PERM,
14396 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14397 NL80211_FLAG_NEED_RTNL,
14400 .cmd = NL80211_CMD_GET_COALESCE,
14401 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14402 .doit = nl80211_get_coalesce,
14403 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14404 NL80211_FLAG_NEED_RTNL,
14407 .cmd = NL80211_CMD_SET_COALESCE,
14408 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14409 .doit = nl80211_set_coalesce,
14410 .flags = GENL_UNS_ADMIN_PERM,
14411 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14412 NL80211_FLAG_NEED_RTNL,
14415 .cmd = NL80211_CMD_CHANNEL_SWITCH,
14416 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14417 .doit = nl80211_channel_switch,
14418 .flags = GENL_UNS_ADMIN_PERM,
14419 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14420 NL80211_FLAG_NEED_RTNL,
14423 .cmd = NL80211_CMD_VENDOR,
14424 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14425 .doit = nl80211_vendor_cmd,
14426 .dumpit = nl80211_vendor_cmd_dump,
14427 .flags = GENL_UNS_ADMIN_PERM,
14428 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14429 NL80211_FLAG_NEED_RTNL |
14430 NL80211_FLAG_CLEAR_SKB,
14433 .cmd = NL80211_CMD_SET_QOS_MAP,
14434 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14435 .doit = nl80211_set_qos_map,
14436 .flags = GENL_UNS_ADMIN_PERM,
14437 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14438 NL80211_FLAG_NEED_RTNL,
14441 .cmd = NL80211_CMD_ADD_TX_TS,
14442 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14443 .doit = nl80211_add_tx_ts,
14444 .flags = GENL_UNS_ADMIN_PERM,
14445 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14446 NL80211_FLAG_NEED_RTNL,
14449 .cmd = NL80211_CMD_DEL_TX_TS,
14450 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14451 .doit = nl80211_del_tx_ts,
14452 .flags = GENL_UNS_ADMIN_PERM,
14453 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14454 NL80211_FLAG_NEED_RTNL,
14457 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
14458 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14459 .doit = nl80211_tdls_channel_switch,
14460 .flags = GENL_UNS_ADMIN_PERM,
14461 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14462 NL80211_FLAG_NEED_RTNL,
14465 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
14466 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14467 .doit = nl80211_tdls_cancel_channel_switch,
14468 .flags = GENL_UNS_ADMIN_PERM,
14469 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14470 NL80211_FLAG_NEED_RTNL,
14473 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
14474 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14475 .doit = nl80211_set_multicast_to_unicast,
14476 .flags = GENL_UNS_ADMIN_PERM,
14477 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14478 NL80211_FLAG_NEED_RTNL,
14481 .cmd = NL80211_CMD_SET_PMK,
14482 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14483 .doit = nl80211_set_pmk,
14484 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14485 NL80211_FLAG_NEED_RTNL |
14486 NL80211_FLAG_CLEAR_SKB,
14489 .cmd = NL80211_CMD_DEL_PMK,
14490 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14491 .doit = nl80211_del_pmk,
14492 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14493 NL80211_FLAG_NEED_RTNL,
14496 .cmd = NL80211_CMD_EXTERNAL_AUTH,
14497 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14498 .doit = nl80211_external_auth,
14499 .flags = GENL_ADMIN_PERM,
14500 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14501 NL80211_FLAG_NEED_RTNL,
14504 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
14505 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14506 .doit = nl80211_tx_control_port,
14507 .flags = GENL_UNS_ADMIN_PERM,
14508 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14509 NL80211_FLAG_NEED_RTNL,
14512 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
14513 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14514 .doit = nl80211_get_ftm_responder_stats,
14515 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14516 NL80211_FLAG_NEED_RTNL,
14519 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
14520 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14521 .doit = nl80211_pmsr_start,
14522 .flags = GENL_UNS_ADMIN_PERM,
14523 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14524 NL80211_FLAG_NEED_RTNL,
14527 .cmd = NL80211_CMD_NOTIFY_RADAR,
14528 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14529 .doit = nl80211_notify_radar_detection,
14530 .flags = GENL_UNS_ADMIN_PERM,
14531 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14532 NL80211_FLAG_NEED_RTNL,
14535 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
14536 .doit = nl80211_update_owe_info,
14537 .flags = GENL_ADMIN_PERM,
14538 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14539 NL80211_FLAG_NEED_RTNL,
14542 .cmd = NL80211_CMD_PROBE_MESH_LINK,
14543 .doit = nl80211_probe_mesh_link,
14544 .flags = GENL_UNS_ADMIN_PERM,
14545 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14546 NL80211_FLAG_NEED_RTNL,
14550 static struct genl_family nl80211_fam __ro_after_init = {
14551 .name = NL80211_GENL_NAME, /* have users key off the name instead */
14552 .hdrsize = 0, /* no private header */
14553 .version = 1, /* no particular meaning now */
14554 .maxattr = NL80211_ATTR_MAX,
14555 .policy = nl80211_policy,
14557 .pre_doit = nl80211_pre_doit,
14558 .post_doit = nl80211_post_doit,
14559 .module = THIS_MODULE,
14560 .ops = nl80211_ops,
14561 .n_ops = ARRAY_SIZE(nl80211_ops),
14562 .mcgrps = nl80211_mcgrps,
14563 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
14566 /* notification functions */
14568 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
14569 enum nl80211_commands cmd)
14571 struct sk_buff *msg;
14572 struct nl80211_dump_wiphy_state state = {};
14574 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
14575 cmd != NL80211_CMD_DEL_WIPHY);
14577 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14581 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
14586 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14587 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14590 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
14591 struct wireless_dev *wdev,
14592 enum nl80211_commands cmd)
14594 struct sk_buff *msg;
14596 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14600 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
14605 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14606 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14609 static int nl80211_add_scan_req(struct sk_buff *msg,
14610 struct cfg80211_registered_device *rdev)
14612 struct cfg80211_scan_request *req = rdev->scan_req;
14613 struct nlattr *nest;
14619 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
14621 goto nla_put_failure;
14622 for (i = 0; i < req->n_ssids; i++) {
14623 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
14624 goto nla_put_failure;
14626 nla_nest_end(msg, nest);
14628 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
14630 goto nla_put_failure;
14631 for (i = 0; i < req->n_channels; i++) {
14632 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
14633 goto nla_put_failure;
14635 nla_nest_end(msg, nest);
14638 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
14639 goto nla_put_failure;
14642 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
14643 goto nla_put_failure;
14645 if (req->info.scan_start_tsf &&
14646 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
14647 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
14648 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
14649 req->info.tsf_bssid)))
14650 goto nla_put_failure;
14657 static int nl80211_prep_scan_msg(struct sk_buff *msg,
14658 struct cfg80211_registered_device *rdev,
14659 struct wireless_dev *wdev,
14660 u32 portid, u32 seq, int flags,
14665 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
14669 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14670 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14671 wdev->netdev->ifindex)) ||
14672 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14674 goto nla_put_failure;
14676 /* ignore errors and send incomplete event anyway */
14677 nl80211_add_scan_req(msg, rdev);
14679 genlmsg_end(msg, hdr);
14683 genlmsg_cancel(msg, hdr);
14688 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
14689 struct cfg80211_sched_scan_request *req, u32 cmd)
14693 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14697 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
14698 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
14699 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
14700 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
14702 goto nla_put_failure;
14704 genlmsg_end(msg, hdr);
14708 genlmsg_cancel(msg, hdr);
14712 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
14713 struct wireless_dev *wdev)
14715 struct sk_buff *msg;
14717 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14721 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14722 NL80211_CMD_TRIGGER_SCAN) < 0) {
14727 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14728 NL80211_MCGRP_SCAN, GFP_KERNEL);
14731 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
14732 struct wireless_dev *wdev, bool aborted)
14734 struct sk_buff *msg;
14736 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14740 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14741 aborted ? NL80211_CMD_SCAN_ABORTED :
14742 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
14750 /* send message created by nl80211_build_scan_msg() */
14751 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
14752 struct sk_buff *msg)
14757 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14758 NL80211_MCGRP_SCAN, GFP_KERNEL);
14761 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
14763 struct sk_buff *msg;
14765 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14769 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
14774 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
14775 NL80211_MCGRP_SCAN, GFP_KERNEL);
14778 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
14779 struct regulatory_request *request)
14781 /* Userspace can always count this one always being set */
14782 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
14783 goto nla_put_failure;
14785 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
14786 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14787 NL80211_REGDOM_TYPE_WORLD))
14788 goto nla_put_failure;
14789 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
14790 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14791 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
14792 goto nla_put_failure;
14793 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
14794 request->intersect) {
14795 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14796 NL80211_REGDOM_TYPE_INTERSECTION))
14797 goto nla_put_failure;
14799 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14800 NL80211_REGDOM_TYPE_COUNTRY) ||
14801 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
14803 goto nla_put_failure;
14806 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
14807 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
14810 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
14811 goto nla_put_failure;
14814 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
14815 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
14816 goto nla_put_failure;
14826 * This can happen on global regulatory changes or device specific settings
14827 * based on custom regulatory domains.
14829 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
14830 struct regulatory_request *request)
14832 struct sk_buff *msg;
14835 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14839 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
14845 if (nl80211_reg_change_event_fill(msg, request) == false)
14846 goto nla_put_failure;
14848 genlmsg_end(msg, hdr);
14851 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
14852 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
14861 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
14862 struct net_device *netdev,
14863 const u8 *buf, size_t len,
14864 enum nl80211_commands cmd, gfp_t gfp,
14865 int uapsd_queues, const u8 *req_ies,
14866 size_t req_ies_len)
14868 struct sk_buff *msg;
14871 msg = nlmsg_new(100 + len + req_ies_len, gfp);
14875 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14881 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14882 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14883 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
14885 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
14886 goto nla_put_failure;
14888 if (uapsd_queues >= 0) {
14889 struct nlattr *nla_wmm =
14890 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
14892 goto nla_put_failure;
14894 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
14896 goto nla_put_failure;
14898 nla_nest_end(msg, nla_wmm);
14901 genlmsg_end(msg, hdr);
14903 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14904 NL80211_MCGRP_MLME, gfp);
14911 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
14912 struct net_device *netdev, const u8 *buf,
14913 size_t len, gfp_t gfp)
14915 nl80211_send_mlme_event(rdev, netdev, buf, len,
14916 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
14919 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
14920 struct net_device *netdev, const u8 *buf,
14921 size_t len, gfp_t gfp, int uapsd_queues,
14922 const u8 *req_ies, size_t req_ies_len)
14924 nl80211_send_mlme_event(rdev, netdev, buf, len,
14925 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
14926 req_ies, req_ies_len);
14929 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
14930 struct net_device *netdev, const u8 *buf,
14931 size_t len, gfp_t gfp)
14933 nl80211_send_mlme_event(rdev, netdev, buf, len,
14934 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
14937 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
14938 struct net_device *netdev, const u8 *buf,
14939 size_t len, gfp_t gfp)
14941 nl80211_send_mlme_event(rdev, netdev, buf, len,
14942 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
14945 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
14948 struct wireless_dev *wdev = dev->ieee80211_ptr;
14949 struct wiphy *wiphy = wdev->wiphy;
14950 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14951 const struct ieee80211_mgmt *mgmt = (void *)buf;
14954 if (WARN_ON(len < 2))
14957 if (ieee80211_is_deauth(mgmt->frame_control))
14958 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
14960 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
14962 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
14963 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
14966 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
14968 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
14969 struct net_device *netdev, int cmd,
14970 const u8 *addr, gfp_t gfp)
14972 struct sk_buff *msg;
14975 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14979 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14985 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14986 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14987 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
14988 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
14989 goto nla_put_failure;
14991 genlmsg_end(msg, hdr);
14993 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14994 NL80211_MCGRP_MLME, gfp);
15001 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
15002 struct net_device *netdev, const u8 *addr,
15005 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
15009 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
15010 struct net_device *netdev, const u8 *addr,
15013 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
15017 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
15018 struct net_device *netdev,
15019 struct cfg80211_connect_resp_params *cr,
15022 struct sk_buff *msg;
15025 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
15026 cr->fils.kek_len + cr->fils.pmk_len +
15027 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15031 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
15037 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15038 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15040 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
15041 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
15042 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
15045 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
15046 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
15047 cr->timeout_reason))) ||
15049 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
15051 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
15053 (cr->fils.update_erp_next_seq_num &&
15054 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15055 cr->fils.erp_next_seq_num)) ||
15056 (cr->status == WLAN_STATUS_SUCCESS &&
15058 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
15061 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
15063 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
15064 goto nla_put_failure;
15066 genlmsg_end(msg, hdr);
15068 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15069 NL80211_MCGRP_MLME, gfp);
15076 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
15077 struct net_device *netdev,
15078 struct cfg80211_roam_info *info, gfp_t gfp)
15080 struct sk_buff *msg;
15082 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
15084 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
15085 info->fils.kek_len + info->fils.pmk_len +
15086 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15090 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
15096 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15097 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15098 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
15100 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
15103 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
15105 (info->fils.update_erp_next_seq_num &&
15106 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15107 info->fils.erp_next_seq_num)) ||
15109 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
15110 info->fils.kek)) ||
15112 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
15113 (info->fils.pmkid &&
15114 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
15115 goto nla_put_failure;
15117 genlmsg_end(msg, hdr);
15119 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15120 NL80211_MCGRP_MLME, gfp);
15127 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
15128 struct net_device *netdev, const u8 *bssid)
15130 struct sk_buff *msg;
15133 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15137 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
15143 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15144 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15145 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15146 goto nla_put_failure;
15148 genlmsg_end(msg, hdr);
15150 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15151 NL80211_MCGRP_MLME, GFP_KERNEL);
15158 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
15159 struct net_device *netdev, u16 reason,
15160 const u8 *ie, size_t ie_len, bool from_ap)
15162 struct sk_buff *msg;
15165 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
15169 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
15175 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15176 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15178 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
15180 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
15181 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
15182 goto nla_put_failure;
15184 genlmsg_end(msg, hdr);
15186 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15187 NL80211_MCGRP_MLME, GFP_KERNEL);
15194 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
15195 struct net_device *netdev, const u8 *bssid,
15198 struct sk_buff *msg;
15201 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15205 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
15211 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15212 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15213 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15214 goto nla_put_failure;
15216 genlmsg_end(msg, hdr);
15218 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15219 NL80211_MCGRP_MLME, gfp);
15226 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
15227 const u8 *ie, u8 ie_len,
15228 int sig_dbm, gfp_t gfp)
15230 struct wireless_dev *wdev = dev->ieee80211_ptr;
15231 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15232 struct sk_buff *msg;
15235 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
15238 trace_cfg80211_notify_new_peer_candidate(dev, addr);
15240 msg = nlmsg_new(100 + ie_len, gfp);
15244 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
15250 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15251 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15252 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15254 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
15256 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
15257 goto nla_put_failure;
15259 genlmsg_end(msg, hdr);
15261 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15262 NL80211_MCGRP_MLME, gfp);
15268 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
15270 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
15271 struct net_device *netdev, const u8 *addr,
15272 enum nl80211_key_type key_type, int key_id,
15273 const u8 *tsc, gfp_t gfp)
15275 struct sk_buff *msg;
15278 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15282 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
15288 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15289 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15290 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
15291 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
15293 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
15294 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
15295 goto nla_put_failure;
15297 genlmsg_end(msg, hdr);
15299 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15300 NL80211_MCGRP_MLME, gfp);
15307 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
15308 struct ieee80211_channel *channel_before,
15309 struct ieee80211_channel *channel_after)
15311 struct sk_buff *msg;
15313 struct nlattr *nl_freq;
15315 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
15319 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
15326 * Since we are applying the beacon hint to a wiphy we know its
15327 * wiphy_idx is valid
15329 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
15330 goto nla_put_failure;
15333 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
15335 goto nla_put_failure;
15337 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
15338 goto nla_put_failure;
15339 nla_nest_end(msg, nl_freq);
15342 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
15344 goto nla_put_failure;
15346 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
15347 goto nla_put_failure;
15348 nla_nest_end(msg, nl_freq);
15350 genlmsg_end(msg, hdr);
15353 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15354 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15363 static void nl80211_send_remain_on_chan_event(
15364 int cmd, struct cfg80211_registered_device *rdev,
15365 struct wireless_dev *wdev, u64 cookie,
15366 struct ieee80211_channel *chan,
15367 unsigned int duration, gfp_t gfp)
15369 struct sk_buff *msg;
15372 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15376 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15382 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15383 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15384 wdev->netdev->ifindex)) ||
15385 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15386 NL80211_ATTR_PAD) ||
15387 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
15388 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
15389 NL80211_CHAN_NO_HT) ||
15390 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15392 goto nla_put_failure;
15394 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
15395 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
15396 goto nla_put_failure;
15398 genlmsg_end(msg, hdr);
15400 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15401 NL80211_MCGRP_MLME, gfp);
15408 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
15409 struct ieee80211_channel *chan,
15410 unsigned int duration, gfp_t gfp)
15412 struct wiphy *wiphy = wdev->wiphy;
15413 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15415 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
15416 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
15417 rdev, wdev, cookie, chan,
15420 EXPORT_SYMBOL(cfg80211_ready_on_channel);
15422 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
15423 struct ieee80211_channel *chan,
15426 struct wiphy *wiphy = wdev->wiphy;
15427 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15429 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
15430 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15431 rdev, wdev, cookie, chan, 0, gfp);
15433 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
15435 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
15436 struct ieee80211_channel *chan,
15439 struct wiphy *wiphy = wdev->wiphy;
15440 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15442 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
15443 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
15444 rdev, wdev, cookie, chan, 0, gfp);
15446 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
15448 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
15449 struct station_info *sinfo, gfp_t gfp)
15451 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15452 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15453 struct sk_buff *msg;
15455 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
15457 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15461 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
15462 rdev, dev, mac_addr, sinfo) < 0) {
15467 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15468 NL80211_MCGRP_MLME, gfp);
15470 EXPORT_SYMBOL(cfg80211_new_sta);
15472 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
15473 struct station_info *sinfo, gfp_t gfp)
15475 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15476 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15477 struct sk_buff *msg;
15478 struct station_info empty_sinfo = {};
15481 sinfo = &empty_sinfo;
15483 trace_cfg80211_del_sta(dev, mac_addr);
15485 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15487 cfg80211_sinfo_release_content(sinfo);
15491 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
15492 rdev, dev, mac_addr, sinfo) < 0) {
15497 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15498 NL80211_MCGRP_MLME, gfp);
15500 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
15502 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
15503 enum nl80211_connect_failed_reason reason,
15506 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15507 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15508 struct sk_buff *msg;
15511 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
15515 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
15521 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15522 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
15523 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
15524 goto nla_put_failure;
15526 genlmsg_end(msg, hdr);
15528 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15529 NL80211_MCGRP_MLME, gfp);
15535 EXPORT_SYMBOL(cfg80211_conn_failed);
15537 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
15538 const u8 *addr, gfp_t gfp)
15540 struct wireless_dev *wdev = dev->ieee80211_ptr;
15541 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15542 struct sk_buff *msg;
15544 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
15549 msg = nlmsg_new(100, gfp);
15553 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15559 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15560 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15561 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15562 goto nla_put_failure;
15564 genlmsg_end(msg, hdr);
15565 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15573 bool cfg80211_rx_spurious_frame(struct net_device *dev,
15574 const u8 *addr, gfp_t gfp)
15576 struct wireless_dev *wdev = dev->ieee80211_ptr;
15579 trace_cfg80211_rx_spurious_frame(dev, addr);
15581 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15582 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
15583 trace_cfg80211_return_bool(false);
15586 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
15588 trace_cfg80211_return_bool(ret);
15591 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
15593 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
15594 const u8 *addr, gfp_t gfp)
15596 struct wireless_dev *wdev = dev->ieee80211_ptr;
15599 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
15601 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15602 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
15603 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
15604 trace_cfg80211_return_bool(false);
15607 ret = __nl80211_unexpected_frame(dev,
15608 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
15610 trace_cfg80211_return_bool(ret);
15613 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
15615 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15616 struct wireless_dev *wdev, u32 nlportid,
15617 int freq, int sig_dbm,
15618 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
15620 struct net_device *netdev = wdev->netdev;
15621 struct sk_buff *msg;
15624 msg = nlmsg_new(100 + len, gfp);
15628 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
15634 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15635 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15636 netdev->ifindex)) ||
15637 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15638 NL80211_ATTR_PAD) ||
15639 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
15641 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
15642 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15644 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
15645 goto nla_put_failure;
15647 genlmsg_end(msg, hdr);
15649 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15656 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
15657 const u8 *buf, size_t len, bool ack, gfp_t gfp)
15659 struct wiphy *wiphy = wdev->wiphy;
15660 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15661 struct net_device *netdev = wdev->netdev;
15662 struct sk_buff *msg;
15665 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
15667 msg = nlmsg_new(100 + len, gfp);
15671 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
15677 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15678 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15679 netdev->ifindex)) ||
15680 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15681 NL80211_ATTR_PAD) ||
15682 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15683 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15684 NL80211_ATTR_PAD) ||
15685 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
15686 goto nla_put_failure;
15688 genlmsg_end(msg, hdr);
15690 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15691 NL80211_MCGRP_MLME, gfp);
15697 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
15699 static int __nl80211_rx_control_port(struct net_device *dev,
15700 struct sk_buff *skb,
15701 bool unencrypted, gfp_t gfp)
15703 struct wireless_dev *wdev = dev->ieee80211_ptr;
15704 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15705 struct ethhdr *ehdr = eth_hdr(skb);
15706 const u8 *addr = ehdr->h_source;
15707 u16 proto = be16_to_cpu(skb->protocol);
15708 struct sk_buff *msg;
15710 struct nlattr *frame;
15712 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
15717 msg = nlmsg_new(100 + skb->len, gfp);
15721 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
15727 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15728 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15729 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15730 NL80211_ATTR_PAD) ||
15731 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15732 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
15733 (unencrypted && nla_put_flag(msg,
15734 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
15735 goto nla_put_failure;
15737 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
15739 goto nla_put_failure;
15741 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
15742 genlmsg_end(msg, hdr);
15744 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15751 bool cfg80211_rx_control_port(struct net_device *dev,
15752 struct sk_buff *skb, bool unencrypted)
15756 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
15757 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
15758 trace_cfg80211_return_bool(ret == 0);
15761 EXPORT_SYMBOL(cfg80211_rx_control_port);
15763 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
15764 const char *mac, gfp_t gfp)
15766 struct wireless_dev *wdev = dev->ieee80211_ptr;
15767 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15768 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15774 cb = (void **)msg->cb;
15776 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
15782 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15783 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15784 goto nla_put_failure;
15786 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
15787 goto nla_put_failure;
15789 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
15791 goto nla_put_failure;
15801 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
15803 void **cb = (void **)msg->cb;
15804 struct cfg80211_registered_device *rdev = cb[2];
15806 nla_nest_end(msg, cb[1]);
15807 genlmsg_end(msg, cb[0]);
15809 memset(msg->cb, 0, sizeof(msg->cb));
15811 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15812 NL80211_MCGRP_MLME, gfp);
15815 void cfg80211_cqm_rssi_notify(struct net_device *dev,
15816 enum nl80211_cqm_rssi_threshold_event rssi_event,
15817 s32 rssi_level, gfp_t gfp)
15819 struct sk_buff *msg;
15820 struct wireless_dev *wdev = dev->ieee80211_ptr;
15821 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15823 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
15825 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
15826 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
15829 if (wdev->cqm_config) {
15830 wdev->cqm_config->last_rssi_event_value = rssi_level;
15832 cfg80211_cqm_rssi_update(rdev, dev);
15834 if (rssi_level == 0)
15835 rssi_level = wdev->cqm_config->last_rssi_event_value;
15838 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15842 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
15844 goto nla_put_failure;
15846 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
15848 goto nla_put_failure;
15850 cfg80211_send_cqm(msg, gfp);
15857 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
15859 void cfg80211_cqm_txe_notify(struct net_device *dev,
15860 const u8 *peer, u32 num_packets,
15861 u32 rate, u32 intvl, gfp_t gfp)
15863 struct sk_buff *msg;
15865 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15869 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
15870 goto nla_put_failure;
15872 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
15873 goto nla_put_failure;
15875 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
15876 goto nla_put_failure;
15878 cfg80211_send_cqm(msg, gfp);
15884 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
15886 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
15887 const u8 *peer, u32 num_packets, gfp_t gfp)
15889 struct sk_buff *msg;
15891 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
15893 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15897 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
15898 goto nla_put_failure;
15900 cfg80211_send_cqm(msg, gfp);
15906 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
15908 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
15910 struct sk_buff *msg;
15912 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15916 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
15917 goto nla_put_failure;
15919 cfg80211_send_cqm(msg, gfp);
15925 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
15927 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
15928 struct net_device *netdev, const u8 *bssid,
15929 const u8 *replay_ctr, gfp_t gfp)
15931 struct sk_buff *msg;
15932 struct nlattr *rekey_attr;
15935 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15939 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
15945 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15946 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15947 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15948 goto nla_put_failure;
15950 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
15952 goto nla_put_failure;
15954 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
15955 NL80211_REPLAY_CTR_LEN, replay_ctr))
15956 goto nla_put_failure;
15958 nla_nest_end(msg, rekey_attr);
15960 genlmsg_end(msg, hdr);
15962 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15963 NL80211_MCGRP_MLME, gfp);
15970 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
15971 const u8 *replay_ctr, gfp_t gfp)
15973 struct wireless_dev *wdev = dev->ieee80211_ptr;
15974 struct wiphy *wiphy = wdev->wiphy;
15975 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15977 trace_cfg80211_gtk_rekey_notify(dev, bssid);
15978 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
15980 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
15983 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
15984 struct net_device *netdev, int index,
15985 const u8 *bssid, bool preauth, gfp_t gfp)
15987 struct sk_buff *msg;
15988 struct nlattr *attr;
15991 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15995 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
16001 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16002 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16003 goto nla_put_failure;
16005 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
16007 goto nla_put_failure;
16009 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
16010 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
16012 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
16013 goto nla_put_failure;
16015 nla_nest_end(msg, attr);
16017 genlmsg_end(msg, hdr);
16019 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16020 NL80211_MCGRP_MLME, gfp);
16027 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
16028 const u8 *bssid, bool preauth, gfp_t gfp)
16030 struct wireless_dev *wdev = dev->ieee80211_ptr;
16031 struct wiphy *wiphy = wdev->wiphy;
16032 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16034 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
16035 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
16037 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
16039 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
16040 struct net_device *netdev,
16041 struct cfg80211_chan_def *chandef,
16043 enum nl80211_commands notif,
16046 struct sk_buff *msg;
16049 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16053 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
16059 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16060 goto nla_put_failure;
16062 if (nl80211_send_chandef(msg, chandef))
16063 goto nla_put_failure;
16065 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
16066 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
16067 goto nla_put_failure;
16069 genlmsg_end(msg, hdr);
16071 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16072 NL80211_MCGRP_MLME, gfp);
16079 void cfg80211_ch_switch_notify(struct net_device *dev,
16080 struct cfg80211_chan_def *chandef)
16082 struct wireless_dev *wdev = dev->ieee80211_ptr;
16083 struct wiphy *wiphy = wdev->wiphy;
16084 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16086 ASSERT_WDEV_LOCK(wdev);
16088 trace_cfg80211_ch_switch_notify(dev, chandef);
16090 wdev->chandef = *chandef;
16091 wdev->preset_chandef = *chandef;
16093 if (wdev->iftype == NL80211_IFTYPE_STATION &&
16094 !WARN_ON(!wdev->current_bss))
16095 wdev->current_bss->pub.channel = chandef->chan;
16097 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16098 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
16100 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
16102 void cfg80211_ch_switch_started_notify(struct net_device *dev,
16103 struct cfg80211_chan_def *chandef,
16106 struct wireless_dev *wdev = dev->ieee80211_ptr;
16107 struct wiphy *wiphy = wdev->wiphy;
16108 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16110 trace_cfg80211_ch_switch_started_notify(dev, chandef);
16112 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16113 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
16115 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
16118 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
16119 const struct cfg80211_chan_def *chandef,
16120 enum nl80211_radar_event event,
16121 struct net_device *netdev, gfp_t gfp)
16123 struct sk_buff *msg;
16126 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16130 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
16136 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16137 goto nla_put_failure;
16139 /* NOP and radar events don't need a netdev parameter */
16141 struct wireless_dev *wdev = netdev->ieee80211_ptr;
16143 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16144 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16146 goto nla_put_failure;
16149 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
16150 goto nla_put_failure;
16152 if (nl80211_send_chandef(msg, chandef))
16153 goto nla_put_failure;
16155 genlmsg_end(msg, hdr);
16157 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16158 NL80211_MCGRP_MLME, gfp);
16165 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
16166 struct sta_opmode_info *sta_opmode,
16169 struct sk_buff *msg;
16170 struct wireless_dev *wdev = dev->ieee80211_ptr;
16171 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16177 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16181 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
16187 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16188 goto nla_put_failure;
16190 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16191 goto nla_put_failure;
16193 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16194 goto nla_put_failure;
16196 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
16197 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
16198 goto nla_put_failure;
16200 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
16201 nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
16202 goto nla_put_failure;
16204 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
16205 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
16206 goto nla_put_failure;
16208 genlmsg_end(msg, hdr);
16210 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16211 NL80211_MCGRP_MLME, gfp);
16218 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
16220 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
16221 u64 cookie, bool acked, s32 ack_signal,
16222 bool is_valid_ack_signal, gfp_t gfp)
16224 struct wireless_dev *wdev = dev->ieee80211_ptr;
16225 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16226 struct sk_buff *msg;
16229 trace_cfg80211_probe_status(dev, addr, cookie, acked);
16231 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16236 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
16242 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16243 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16244 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16245 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16246 NL80211_ATTR_PAD) ||
16247 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
16248 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
16250 goto nla_put_failure;
16252 genlmsg_end(msg, hdr);
16254 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16255 NL80211_MCGRP_MLME, gfp);
16261 EXPORT_SYMBOL(cfg80211_probe_status);
16263 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
16264 const u8 *frame, size_t len,
16265 int freq, int sig_dbm)
16267 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16268 struct sk_buff *msg;
16270 struct cfg80211_beacon_registration *reg;
16272 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
16274 spin_lock_bh(&rdev->beacon_registrations_lock);
16275 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
16276 msg = nlmsg_new(len + 100, GFP_ATOMIC);
16278 spin_unlock_bh(&rdev->beacon_registrations_lock);
16282 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16284 goto nla_put_failure;
16286 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16288 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
16290 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16291 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
16292 goto nla_put_failure;
16294 genlmsg_end(msg, hdr);
16296 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
16298 spin_unlock_bh(&rdev->beacon_registrations_lock);
16302 spin_unlock_bh(&rdev->beacon_registrations_lock);
16305 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
16308 static int cfg80211_net_detect_results(struct sk_buff *msg,
16309 struct cfg80211_wowlan_wakeup *wakeup)
16311 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
16312 struct nlattr *nl_results, *nl_match, *nl_freqs;
16315 nl_results = nla_nest_start_noflag(msg,
16316 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
16320 for (i = 0; i < nd->n_matches; i++) {
16321 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
16323 nl_match = nla_nest_start_noflag(msg, i);
16327 /* The SSID attribute is optional in nl80211, but for
16328 * simplicity reasons it's always present in the
16329 * cfg80211 structure. If a driver can't pass the
16330 * SSID, that needs to be changed. A zero length SSID
16331 * is still a valid SSID (wildcard), so it cannot be
16332 * used for this purpose.
16334 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
16335 match->ssid.ssid)) {
16336 nla_nest_cancel(msg, nl_match);
16340 if (match->n_channels) {
16341 nl_freqs = nla_nest_start_noflag(msg,
16342 NL80211_ATTR_SCAN_FREQUENCIES);
16344 nla_nest_cancel(msg, nl_match);
16348 for (j = 0; j < match->n_channels; j++) {
16349 if (nla_put_u32(msg, j, match->channels[j])) {
16350 nla_nest_cancel(msg, nl_freqs);
16351 nla_nest_cancel(msg, nl_match);
16356 nla_nest_end(msg, nl_freqs);
16359 nla_nest_end(msg, nl_match);
16363 nla_nest_end(msg, nl_results);
16367 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
16368 struct cfg80211_wowlan_wakeup *wakeup,
16371 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16372 struct sk_buff *msg;
16376 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
16379 size += wakeup->packet_present_len;
16381 msg = nlmsg_new(size, gfp);
16385 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
16389 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16390 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16394 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16395 wdev->netdev->ifindex))
16399 struct nlattr *reasons;
16401 reasons = nla_nest_start_noflag(msg,
16402 NL80211_ATTR_WOWLAN_TRIGGERS);
16406 if (wakeup->disconnect &&
16407 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
16409 if (wakeup->magic_pkt &&
16410 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
16412 if (wakeup->gtk_rekey_failure &&
16413 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
16415 if (wakeup->eap_identity_req &&
16416 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
16418 if (wakeup->four_way_handshake &&
16419 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
16421 if (wakeup->rfkill_release &&
16422 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
16425 if (wakeup->pattern_idx >= 0 &&
16426 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
16427 wakeup->pattern_idx))
16430 if (wakeup->tcp_match &&
16431 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
16434 if (wakeup->tcp_connlost &&
16435 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
16438 if (wakeup->tcp_nomoretokens &&
16440 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
16443 if (wakeup->packet) {
16444 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
16445 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
16447 if (!wakeup->packet_80211) {
16449 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
16451 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
16454 if (wakeup->packet_len &&
16455 nla_put_u32(msg, len_attr, wakeup->packet_len))
16458 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
16463 if (wakeup->net_detect &&
16464 cfg80211_net_detect_results(msg, wakeup))
16467 nla_nest_end(msg, reasons);
16470 genlmsg_end(msg, hdr);
16472 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16473 NL80211_MCGRP_MLME, gfp);
16479 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
16482 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
16483 enum nl80211_tdls_operation oper,
16484 u16 reason_code, gfp_t gfp)
16486 struct wireless_dev *wdev = dev->ieee80211_ptr;
16487 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16488 struct sk_buff *msg;
16491 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
16494 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16498 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
16504 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16505 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16506 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
16507 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
16508 (reason_code > 0 &&
16509 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
16510 goto nla_put_failure;
16512 genlmsg_end(msg, hdr);
16514 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16515 NL80211_MCGRP_MLME, gfp);
16521 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
16523 static int nl80211_netlink_notify(struct notifier_block * nb,
16524 unsigned long state,
16527 struct netlink_notify *notify = _notify;
16528 struct cfg80211_registered_device *rdev;
16529 struct wireless_dev *wdev;
16530 struct cfg80211_beacon_registration *reg, *tmp;
16532 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
16533 return NOTIFY_DONE;
16537 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
16538 struct cfg80211_sched_scan_request *sched_scan_req;
16540 list_for_each_entry_rcu(sched_scan_req,
16541 &rdev->sched_scan_req_list,
16543 if (sched_scan_req->owner_nlportid == notify->portid) {
16544 sched_scan_req->nl_owner_dead = true;
16545 schedule_work(&rdev->sched_scan_stop_wk);
16549 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
16550 cfg80211_mlme_unregister_socket(wdev, notify->portid);
16552 if (wdev->owner_nlportid == notify->portid) {
16553 wdev->nl_owner_dead = true;
16554 schedule_work(&rdev->destroy_work);
16555 } else if (wdev->conn_owner_nlportid == notify->portid) {
16556 schedule_work(&wdev->disconnect_wk);
16559 cfg80211_release_pmsr(wdev, notify->portid);
16562 spin_lock_bh(&rdev->beacon_registrations_lock);
16563 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
16565 if (reg->nlportid == notify->portid) {
16566 list_del(®->list);
16571 spin_unlock_bh(&rdev->beacon_registrations_lock);
16577 * It is possible that the user space process that is controlling the
16578 * indoor setting disappeared, so notify the regulatory core.
16580 regulatory_netlink_notify(notify->portid);
16584 static struct notifier_block nl80211_netlink_notifier = {
16585 .notifier_call = nl80211_netlink_notify,
16588 void cfg80211_ft_event(struct net_device *netdev,
16589 struct cfg80211_ft_event_params *ft_event)
16591 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16592 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16593 struct sk_buff *msg;
16596 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
16598 if (!ft_event->target_ap)
16601 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
16606 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
16610 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16611 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16612 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
16615 if (ft_event->ies &&
16616 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
16618 if (ft_event->ric_ies &&
16619 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
16620 ft_event->ric_ies))
16623 genlmsg_end(msg, hdr);
16625 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16626 NL80211_MCGRP_MLME, GFP_KERNEL);
16631 EXPORT_SYMBOL(cfg80211_ft_event);
16633 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
16635 struct cfg80211_registered_device *rdev;
16636 struct sk_buff *msg;
16640 rdev = wiphy_to_rdev(wdev->wiphy);
16641 if (!rdev->crit_proto_nlportid)
16644 nlportid = rdev->crit_proto_nlportid;
16645 rdev->crit_proto_nlportid = 0;
16647 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16651 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
16653 goto nla_put_failure;
16655 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16656 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16658 goto nla_put_failure;
16660 genlmsg_end(msg, hdr);
16662 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16668 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
16670 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
16672 struct wiphy *wiphy = wdev->wiphy;
16673 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16674 struct sk_buff *msg;
16677 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16681 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
16685 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16686 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
16687 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16691 genlmsg_end(msg, hdr);
16693 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
16694 NL80211_MCGRP_MLME, GFP_KERNEL);
16700 int cfg80211_external_auth_request(struct net_device *dev,
16701 struct cfg80211_external_auth_params *params,
16704 struct wireless_dev *wdev = dev->ieee80211_ptr;
16705 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16706 struct sk_buff *msg;
16709 if (!wdev->conn_owner_nlportid)
16712 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16716 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
16718 goto nla_put_failure;
16720 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16721 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16722 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
16723 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
16725 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
16726 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
16727 params->ssid.ssid))
16728 goto nla_put_failure;
16730 genlmsg_end(msg, hdr);
16731 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
16732 wdev->conn_owner_nlportid);
16739 EXPORT_SYMBOL(cfg80211_external_auth_request);
16741 void cfg80211_update_owe_info_event(struct net_device *netdev,
16742 struct cfg80211_update_owe_info *owe_info,
16745 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16746 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16747 struct sk_buff *msg;
16750 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
16752 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16756 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
16758 goto nla_put_failure;
16760 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16761 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16762 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
16763 goto nla_put_failure;
16765 if (!owe_info->ie_len ||
16766 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
16767 goto nla_put_failure;
16769 genlmsg_end(msg, hdr);
16771 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16772 NL80211_MCGRP_MLME, gfp);
16776 genlmsg_cancel(msg, hdr);
16779 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
16781 /* initialisation/exit functions */
16783 int __init nl80211_init(void)
16787 err = genl_register_family(&nl80211_fam);
16791 err = netlink_register_notifier(&nl80211_netlink_notifier);
16797 genl_unregister_family(&nl80211_fam);
16801 void nl80211_exit(void)
16803 netlink_unregister_notifier(&nl80211_netlink_notifier);
16804 genl_unregister_family(&nl80211_fam);