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 static const struct nla_policy
285 he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
286 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
287 NLA_POLICY_RANGE(NLA_U8, 1, 20),
288 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
289 NLA_POLICY_RANGE(NLA_U8, 1, 20),
292 const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
293 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
294 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
295 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
297 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
299 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
300 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
301 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
302 NL80211_EDMG_CHANNELS_MIN,
303 NL80211_EDMG_CHANNELS_MAX),
304 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
305 NL80211_EDMG_BW_CONFIG_MIN,
306 NL80211_EDMG_BW_CONFIG_MAX),
308 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
309 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
310 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
312 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
313 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
314 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
315 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
316 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
317 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
319 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
320 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
321 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
323 [NL80211_ATTR_MAC] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
324 [NL80211_ATTR_PREV_BSSID] = {
325 .type = NLA_EXACT_LEN_WARN,
329 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
330 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
331 .len = WLAN_MAX_KEY_LEN },
332 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 5),
333 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
334 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
335 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
336 [NL80211_ATTR_KEY_TYPE] =
337 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
339 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
340 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
341 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
342 .len = IEEE80211_MAX_DATA_LEN },
343 [NL80211_ATTR_BEACON_TAIL] =
344 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
345 IEEE80211_MAX_DATA_LEN),
346 [NL80211_ATTR_STA_AID] =
347 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
348 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
349 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
350 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
351 .len = NL80211_MAX_SUPP_RATES },
352 [NL80211_ATTR_STA_PLINK_ACTION] =
353 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
354 [NL80211_ATTR_STA_TX_POWER_SETTING] =
355 NLA_POLICY_RANGE(NLA_U8,
356 NL80211_TX_POWER_AUTOMATIC,
357 NL80211_TX_POWER_FIXED),
358 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
359 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
360 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
361 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
362 .len = IEEE80211_MAX_MESH_ID_LEN },
363 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
365 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
366 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
368 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
369 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
370 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
371 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
372 .len = NL80211_MAX_SUPP_RATES },
373 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
375 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
376 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
378 [NL80211_ATTR_HT_CAPABILITY] = {
379 .type = NLA_EXACT_LEN_WARN,
380 .len = NL80211_HT_CAPABILITY_LEN
383 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
384 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
386 IEEE80211_MAX_DATA_LEN),
387 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
388 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
390 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
391 .len = IEEE80211_MAX_SSID_LEN },
392 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
393 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
394 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
395 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
396 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
398 NL80211_MFP_OPTIONAL),
399 [NL80211_ATTR_STA_FLAGS2] = {
400 .len = sizeof(struct nl80211_sta_flag_update),
402 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
403 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
404 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
405 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
406 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
407 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
408 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
409 [NL80211_ATTR_PID] = { .type = NLA_U32 },
410 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
411 [NL80211_ATTR_PMKID] = {
412 .type = NLA_EXACT_LEN_WARN,
413 .len = WLAN_PMKID_LEN
415 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
416 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
417 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
418 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
419 .len = IEEE80211_MAX_DATA_LEN },
420 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
421 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
424 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
425 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
426 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
427 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
428 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
429 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
430 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
431 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
432 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
433 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
434 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
435 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
436 [NL80211_ATTR_STA_PLINK_STATE] =
437 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
438 [NL80211_ATTR_MESH_PEER_AID] =
439 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
440 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
441 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
442 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
443 [NL80211_ATTR_HIDDEN_SSID] =
444 NLA_POLICY_RANGE(NLA_U32,
445 NL80211_HIDDEN_SSID_NOT_IN_USE,
446 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
447 [NL80211_ATTR_IE_PROBE_RESP] =
448 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
449 IEEE80211_MAX_DATA_LEN),
450 [NL80211_ATTR_IE_ASSOC_RESP] =
451 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
452 IEEE80211_MAX_DATA_LEN),
453 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
454 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
455 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
456 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
457 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
458 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
459 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
460 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
461 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
462 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
463 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
464 .len = IEEE80211_MAX_DATA_LEN },
465 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
466 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
467 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
468 .len = NL80211_HT_CAPABILITY_LEN
470 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
471 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
472 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
473 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
474 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
475 [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
476 [NL80211_ATTR_VHT_CAPABILITY] = {
477 .type = NLA_EXACT_LEN_WARN,
478 .len = NL80211_VHT_CAPABILITY_LEN
480 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
481 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
482 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
483 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
484 NLA_POLICY_RANGE(NLA_U32,
485 NL80211_MESH_POWER_UNKNOWN + 1,
486 NL80211_MESH_POWER_MAX),
487 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
488 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
489 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
490 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
491 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
492 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
493 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
494 .len = NL80211_VHT_CAPABILITY_LEN,
496 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
497 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
498 .len = IEEE80211_MAX_DATA_LEN },
499 [NL80211_ATTR_PEER_AID] =
500 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
501 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
502 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
503 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
504 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
505 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
506 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
507 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
508 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
509 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
510 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
511 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
512 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
513 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
514 .len = IEEE80211_QOS_MAP_LEN_MAX },
515 [NL80211_ATTR_MAC_HINT] = {
516 .type = NLA_EXACT_LEN_WARN,
519 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
520 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
521 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
522 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
523 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
524 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
525 [NL80211_ATTR_USER_PRIO] =
526 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
527 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
528 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
529 [NL80211_ATTR_MAC_MASK] = {
530 .type = NLA_EXACT_LEN_WARN,
533 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
534 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
535 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
536 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
537 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
538 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
539 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
540 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
541 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
542 .len = VHT_MUMIMO_GROUPS_DATA_LEN
544 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = {
545 .type = NLA_EXACT_LEN_WARN,
548 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
549 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
550 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
551 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
552 .len = FILS_MAX_KEK_LEN },
553 [NL80211_ATTR_FILS_NONCES] = {
554 .type = NLA_EXACT_LEN_WARN,
555 .len = 2 * FILS_NONCE_LEN
557 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
558 [NL80211_ATTR_BSSID] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
559 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
560 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
561 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
563 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
564 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
565 .len = FILS_ERP_MAX_USERNAME_LEN },
566 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
567 .len = FILS_ERP_MAX_REALM_LEN },
568 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
569 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
570 .len = FILS_ERP_MAX_RRK_LEN },
571 [NL80211_ATTR_FILS_CACHE_ID] = { .type = NLA_EXACT_LEN_WARN, .len = 2 },
572 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
573 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
574 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
576 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
577 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
578 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
579 [NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
580 .len = NL80211_HE_MAX_CAPABILITY_LEN },
582 [NL80211_ATTR_FTM_RESPONDER] = {
584 .validation_data = nl80211_ftm_responder_policy,
586 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
587 [NL80211_ATTR_PEER_MEASUREMENTS] =
588 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
589 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
590 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
591 .len = SAE_PASSWORD_MAX_LEN },
592 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
593 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
596 /* policy for the key attributes */
597 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
598 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
599 [NL80211_KEY_IDX] = { .type = NLA_U8 },
600 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
601 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
602 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
603 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
604 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
605 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
606 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
609 /* policy for the key default flags */
610 static const struct nla_policy
611 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
612 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
613 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
617 /* policy for WoWLAN attributes */
618 static const struct nla_policy
619 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
620 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
621 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
622 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
623 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
624 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
625 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
626 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
627 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
628 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
629 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
632 static const struct nla_policy
633 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
634 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
635 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
636 [NL80211_WOWLAN_TCP_DST_MAC] = {
637 .type = NLA_EXACT_LEN_WARN,
640 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
641 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
642 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
643 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
644 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
646 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
647 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
649 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
650 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
651 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .type = NLA_MIN_LEN, .len = 1 },
653 #endif /* CONFIG_PM */
655 /* policy for coalesce rule attributes */
656 static const struct nla_policy
657 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
658 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
659 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
660 NLA_POLICY_RANGE(NLA_U32,
661 NL80211_COALESCE_CONDITION_MATCH,
662 NL80211_COALESCE_CONDITION_NO_MATCH),
663 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
666 /* policy for GTK rekey offload attributes */
667 static const struct nla_policy
668 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
669 [NL80211_REKEY_DATA_KEK] = {
670 .type = NLA_EXACT_LEN_WARN,
671 .len = NL80211_KEK_LEN,
673 [NL80211_REKEY_DATA_KCK] = {
674 .type = NLA_EXACT_LEN_WARN,
675 .len = NL80211_KCK_LEN,
677 [NL80211_REKEY_DATA_REPLAY_CTR] = {
678 .type = NLA_EXACT_LEN_WARN,
679 .len = NL80211_REPLAY_CTR_LEN
683 static const struct nla_policy
684 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
685 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
686 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
687 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
688 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
691 static const struct nla_policy
692 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
693 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
694 .len = IEEE80211_MAX_SSID_LEN },
695 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = {
696 .type = NLA_EXACT_LEN_WARN,
699 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
700 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
701 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
704 static const struct nla_policy
705 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
706 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
707 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
710 static const struct nla_policy
711 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
712 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
713 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
714 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
715 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
719 /* policy for NAN function attributes */
720 static const struct nla_policy
721 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
722 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
723 [NL80211_NAN_FUNC_SERVICE_ID] = {
724 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
725 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
726 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
727 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
728 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
729 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
730 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = {
731 .type = NLA_EXACT_LEN_WARN,
734 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
735 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
736 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
737 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
738 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
739 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
740 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
741 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
742 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
745 /* policy for Service Response Filter attributes */
746 static const struct nla_policy
747 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
748 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
749 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
750 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
751 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
752 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
755 /* policy for packet pattern attributes */
756 static const struct nla_policy
757 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
758 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
759 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
760 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
763 int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
764 struct cfg80211_registered_device **rdev,
765 struct wireless_dev **wdev)
770 struct nlattr **attrbuf;
772 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
777 err = nlmsg_parse_deprecated(cb->nlh,
778 GENL_HDRLEN + nl80211_fam.hdrsize,
779 attrbuf, nl80211_fam.maxattr,
780 nl80211_policy, NULL);
786 *wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk),
790 return PTR_ERR(*wdev);
791 *rdev = wiphy_to_rdev((*wdev)->wiphy);
792 /* 0 is the first index - add 1 to parse only once */
793 cb->args[0] = (*rdev)->wiphy_idx + 1;
794 cb->args[1] = (*wdev)->identifier;
796 /* subtract the 1 again here */
797 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
798 struct wireless_dev *tmp;
802 *rdev = wiphy_to_rdev(wiphy);
805 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
806 if (tmp->identifier == cb->args[1]) {
819 /* message building helper */
820 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
823 /* since there is no private header just add the generic one */
824 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
827 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
828 const struct ieee80211_reg_rule *rule)
831 struct nlattr *nl_wmm_rules =
832 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
835 goto nla_put_failure;
837 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
838 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
841 goto nla_put_failure;
843 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
844 rule->wmm_rule.client[j].cw_min) ||
845 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
846 rule->wmm_rule.client[j].cw_max) ||
847 nla_put_u8(msg, NL80211_WMMR_AIFSN,
848 rule->wmm_rule.client[j].aifsn) ||
849 nla_put_u16(msg, NL80211_WMMR_TXOP,
850 rule->wmm_rule.client[j].cot))
851 goto nla_put_failure;
853 nla_nest_end(msg, nl_wmm_rule);
855 nla_nest_end(msg, nl_wmm_rules);
863 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
864 struct ieee80211_channel *chan,
867 /* Some channels must be completely excluded from the
868 * list to protect old user-space tools from breaking
870 if (!large && chan->flags &
871 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
874 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
876 goto nla_put_failure;
878 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
879 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
880 goto nla_put_failure;
881 if (chan->flags & IEEE80211_CHAN_NO_IR) {
882 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
883 goto nla_put_failure;
884 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
885 goto nla_put_failure;
887 if (chan->flags & IEEE80211_CHAN_RADAR) {
888 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
889 goto nla_put_failure;
893 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
895 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
897 goto nla_put_failure;
898 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
900 goto nla_put_failure;
902 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
904 goto nla_put_failure;
909 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
910 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
911 goto nla_put_failure;
912 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
913 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
914 goto nla_put_failure;
915 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
916 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
917 goto nla_put_failure;
918 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
919 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
920 goto nla_put_failure;
921 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
922 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
923 goto nla_put_failure;
924 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
925 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
926 goto nla_put_failure;
927 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
928 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
929 goto nla_put_failure;
930 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
931 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
932 goto nla_put_failure;
935 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
936 DBM_TO_MBM(chan->max_power)))
937 goto nla_put_failure;
940 const struct ieee80211_reg_rule *rule =
941 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
943 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
944 if (nl80211_msg_put_wmm_rules(msg, rule))
945 goto nla_put_failure;
955 static bool nl80211_put_txq_stats(struct sk_buff *msg,
956 struct cfg80211_txq_stats *txqstats,
959 struct nlattr *txqattr;
961 #define PUT_TXQVAL_U32(attr, memb) do { \
962 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
963 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
967 txqattr = nla_nest_start_noflag(msg, attrtype);
971 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
972 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
973 PUT_TXQVAL_U32(FLOWS, flows);
974 PUT_TXQVAL_U32(DROPS, drops);
975 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
976 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
977 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
978 PUT_TXQVAL_U32(COLLISIONS, collisions);
979 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
980 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
981 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
982 nla_nest_end(msg, txqattr);
984 #undef PUT_TXQVAL_U32
988 /* netlink command implementations */
995 bool def_uni, def_multi;
998 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1001 struct nlattr *tb[NL80211_KEY_MAX + 1];
1002 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1008 k->def = !!tb[NL80211_KEY_DEFAULT];
1009 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1013 k->def_multi = true;
1016 k->def_multi = true;
1018 if (tb[NL80211_KEY_IDX])
1019 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1021 if (tb[NL80211_KEY_DATA]) {
1022 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1023 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1026 if (tb[NL80211_KEY_SEQ]) {
1027 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1028 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1031 if (tb[NL80211_KEY_CIPHER])
1032 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1034 if (tb[NL80211_KEY_TYPE])
1035 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1037 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1038 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1040 err = nla_parse_nested_deprecated(kdt,
1041 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1042 tb[NL80211_KEY_DEFAULT_TYPES],
1043 nl80211_key_default_policy,
1048 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1049 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1052 if (tb[NL80211_KEY_MODE])
1053 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1058 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1060 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1061 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1062 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1065 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1066 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1067 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1070 if (info->attrs[NL80211_ATTR_KEY_IDX])
1071 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1073 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1074 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1076 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1077 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1081 k->def_multi = true;
1084 k->def_multi = true;
1086 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1087 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1089 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1090 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1091 int err = nla_parse_nested_deprecated(kdt,
1092 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1093 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1094 nl80211_key_default_policy,
1099 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1100 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1106 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1110 memset(k, 0, sizeof(*k));
1114 if (info->attrs[NL80211_ATTR_KEY])
1115 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1117 err = nl80211_parse_key_old(info, k);
1122 if (k->def && k->defmgmt) {
1123 GENL_SET_ERR_MSG(info, "key with def && defmgmt is invalid");
1128 if (k->def_uni || !k->def_multi) {
1129 GENL_SET_ERR_MSG(info, "defmgmt key must be mcast");
1136 if (k->idx < 4 || k->idx > 5) {
1137 GENL_SET_ERR_MSG(info,
1138 "defmgmt key idx not 4 or 5");
1141 } else if (k->def) {
1142 if (k->idx < 0 || k->idx > 3) {
1143 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1147 if (k->idx < 0 || k->idx > 5) {
1148 GENL_SET_ERR_MSG(info, "key idx not 0-5");
1157 static struct cfg80211_cached_keys *
1158 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1159 struct genl_info *info, bool *no_ht)
1161 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1162 struct key_parse parse;
1164 struct cfg80211_cached_keys *result;
1165 int rem, err, def = 0;
1166 bool have_key = false;
1168 nla_for_each_nested(key, keys, rem) {
1176 result = kzalloc(sizeof(*result), GFP_KERNEL);
1178 return ERR_PTR(-ENOMEM);
1182 nla_for_each_nested(key, keys, rem) {
1183 memset(&parse, 0, sizeof(parse));
1186 err = nl80211_parse_key_new(info, key, &parse);
1192 if (parse.idx < 0 || parse.idx > 3) {
1193 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1198 GENL_SET_ERR_MSG(info,
1199 "only one key can be default");
1203 result->def = parse.idx;
1204 if (!parse.def_uni || !parse.def_multi)
1206 } else if (parse.defmgmt)
1208 err = cfg80211_validate_key_settings(rdev, &parse.p,
1209 parse.idx, false, NULL);
1212 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1213 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1214 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1218 result->params[parse.idx].cipher = parse.p.cipher;
1219 result->params[parse.idx].key_len = parse.p.key_len;
1220 result->params[parse.idx].key = result->data[parse.idx];
1221 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1223 /* must be WEP key if we got here */
1228 if (result->def < 0) {
1230 GENL_SET_ERR_MSG(info, "need a default/TX key");
1237 return ERR_PTR(err);
1240 static int nl80211_key_allowed(struct wireless_dev *wdev)
1242 ASSERT_WDEV_LOCK(wdev);
1244 switch (wdev->iftype) {
1245 case NL80211_IFTYPE_AP:
1246 case NL80211_IFTYPE_AP_VLAN:
1247 case NL80211_IFTYPE_P2P_GO:
1248 case NL80211_IFTYPE_MESH_POINT:
1250 case NL80211_IFTYPE_ADHOC:
1251 case NL80211_IFTYPE_STATION:
1252 case NL80211_IFTYPE_P2P_CLIENT:
1253 if (!wdev->current_bss)
1256 case NL80211_IFTYPE_UNSPECIFIED:
1257 case NL80211_IFTYPE_OCB:
1258 case NL80211_IFTYPE_MONITOR:
1259 case NL80211_IFTYPE_NAN:
1260 case NL80211_IFTYPE_P2P_DEVICE:
1261 case NL80211_IFTYPE_WDS:
1262 case NUM_NL80211_IFTYPES:
1269 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1272 struct ieee80211_channel *chan;
1276 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
1277 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1282 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1284 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1288 goto nla_put_failure;
1292 if ((ifmodes & 1) && nla_put_flag(msg, i))
1293 goto nla_put_failure;
1298 nla_nest_end(msg, nl_modes);
1305 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1306 struct sk_buff *msg,
1309 struct nlattr *nl_combis;
1312 nl_combis = nla_nest_start_noflag(msg,
1313 NL80211_ATTR_INTERFACE_COMBINATIONS);
1315 goto nla_put_failure;
1317 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1318 const struct ieee80211_iface_combination *c;
1319 struct nlattr *nl_combi, *nl_limits;
1321 c = &wiphy->iface_combinations[i];
1323 nl_combi = nla_nest_start_noflag(msg, i + 1);
1325 goto nla_put_failure;
1327 nl_limits = nla_nest_start_noflag(msg,
1328 NL80211_IFACE_COMB_LIMITS);
1330 goto nla_put_failure;
1332 for (j = 0; j < c->n_limits; j++) {
1333 struct nlattr *nl_limit;
1335 nl_limit = nla_nest_start_noflag(msg, j + 1);
1337 goto nla_put_failure;
1338 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1340 goto nla_put_failure;
1341 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1342 c->limits[j].types))
1343 goto nla_put_failure;
1344 nla_nest_end(msg, nl_limit);
1347 nla_nest_end(msg, nl_limits);
1349 if (c->beacon_int_infra_match &&
1350 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1351 goto nla_put_failure;
1352 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1353 c->num_different_channels) ||
1354 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1356 goto nla_put_failure;
1358 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1359 c->radar_detect_widths) ||
1360 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1361 c->radar_detect_regions)))
1362 goto nla_put_failure;
1363 if (c->beacon_int_min_gcd &&
1364 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1365 c->beacon_int_min_gcd))
1366 goto nla_put_failure;
1368 nla_nest_end(msg, nl_combi);
1371 nla_nest_end(msg, nl_combis);
1379 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1380 struct sk_buff *msg)
1382 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1383 struct nlattr *nl_tcp;
1388 nl_tcp = nla_nest_start_noflag(msg,
1389 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1393 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1394 tcp->data_payload_max))
1397 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1398 tcp->data_payload_max))
1401 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1404 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1405 sizeof(*tcp->tok), tcp->tok))
1408 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1409 tcp->data_interval_max))
1412 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1413 tcp->wake_payload_max))
1416 nla_nest_end(msg, nl_tcp);
1420 static int nl80211_send_wowlan(struct sk_buff *msg,
1421 struct cfg80211_registered_device *rdev,
1424 struct nlattr *nl_wowlan;
1426 if (!rdev->wiphy.wowlan)
1429 nl_wowlan = nla_nest_start_noflag(msg,
1430 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1434 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1435 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1436 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1437 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1438 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1439 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1440 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1441 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1442 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1443 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1444 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1445 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1446 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1447 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1448 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1449 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1452 if (rdev->wiphy.wowlan->n_patterns) {
1453 struct nl80211_pattern_support pat = {
1454 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1455 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1456 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1457 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1460 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1465 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1466 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1467 rdev->wiphy.wowlan->max_nd_match_sets))
1470 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1473 nla_nest_end(msg, nl_wowlan);
1479 static int nl80211_send_coalesce(struct sk_buff *msg,
1480 struct cfg80211_registered_device *rdev)
1482 struct nl80211_coalesce_rule_support rule;
1484 if (!rdev->wiphy.coalesce)
1487 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1488 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1489 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1490 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1491 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1492 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1494 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1501 nl80211_send_iftype_data(struct sk_buff *msg,
1502 const struct ieee80211_sband_iftype_data *iftdata)
1504 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1506 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1507 iftdata->types_mask))
1510 if (he_cap->has_he) {
1511 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1512 sizeof(he_cap->he_cap_elem.mac_cap_info),
1513 he_cap->he_cap_elem.mac_cap_info) ||
1514 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1515 sizeof(he_cap->he_cap_elem.phy_cap_info),
1516 he_cap->he_cap_elem.phy_cap_info) ||
1517 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1518 sizeof(he_cap->he_mcs_nss_supp),
1519 &he_cap->he_mcs_nss_supp) ||
1520 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1521 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1528 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1529 struct ieee80211_supported_band *sband)
1531 struct nlattr *nl_rates, *nl_rate;
1532 struct ieee80211_rate *rate;
1536 if (sband->ht_cap.ht_supported &&
1537 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1538 sizeof(sband->ht_cap.mcs),
1539 &sband->ht_cap.mcs) ||
1540 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1541 sband->ht_cap.cap) ||
1542 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1543 sband->ht_cap.ampdu_factor) ||
1544 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1545 sband->ht_cap.ampdu_density)))
1549 if (sband->vht_cap.vht_supported &&
1550 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1551 sizeof(sband->vht_cap.vht_mcs),
1552 &sband->vht_cap.vht_mcs) ||
1553 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1554 sband->vht_cap.cap)))
1557 if (sband->n_iftype_data) {
1558 struct nlattr *nl_iftype_data =
1559 nla_nest_start_noflag(msg,
1560 NL80211_BAND_ATTR_IFTYPE_DATA);
1563 if (!nl_iftype_data)
1566 for (i = 0; i < sband->n_iftype_data; i++) {
1567 struct nlattr *iftdata;
1569 iftdata = nla_nest_start_noflag(msg, i + 1);
1573 err = nl80211_send_iftype_data(msg,
1574 &sband->iftype_data[i]);
1578 nla_nest_end(msg, iftdata);
1581 nla_nest_end(msg, nl_iftype_data);
1585 if (sband->edmg_cap.channels &&
1586 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1587 sband->edmg_cap.channels) ||
1588 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1589 sband->edmg_cap.bw_config)))
1594 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1598 for (i = 0; i < sband->n_bitrates; i++) {
1599 nl_rate = nla_nest_start_noflag(msg, i);
1603 rate = &sband->bitrates[i];
1604 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1607 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1609 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1612 nla_nest_end(msg, nl_rate);
1615 nla_nest_end(msg, nl_rates);
1621 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1622 const struct ieee80211_txrx_stypes *mgmt_stypes)
1625 struct nlattr *nl_ftypes, *nl_ifs;
1626 enum nl80211_iftype ift;
1632 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1636 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1637 nl_ftypes = nla_nest_start_noflag(msg, ift);
1641 stypes = mgmt_stypes[ift].tx;
1644 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1645 (i << 4) | IEEE80211_FTYPE_MGMT))
1650 nla_nest_end(msg, nl_ftypes);
1653 nla_nest_end(msg, nl_ifs);
1655 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1659 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1660 nl_ftypes = nla_nest_start_noflag(msg, ift);
1664 stypes = mgmt_stypes[ift].rx;
1667 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1668 (i << 4) | IEEE80211_FTYPE_MGMT))
1673 nla_nest_end(msg, nl_ftypes);
1675 nla_nest_end(msg, nl_ifs);
1680 #define CMD(op, n) \
1682 if (rdev->ops->op) { \
1684 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1685 goto nla_put_failure; \
1689 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1690 struct sk_buff *msg)
1695 * do *NOT* add anything into this function, new things need to be
1696 * advertised only to new versions of userspace that can deal with
1697 * the split (and they can't possibly care about new features...
1699 CMD(add_virtual_intf, NEW_INTERFACE);
1700 CMD(change_virtual_intf, SET_INTERFACE);
1701 CMD(add_key, NEW_KEY);
1702 CMD(start_ap, START_AP);
1703 CMD(add_station, NEW_STATION);
1704 CMD(add_mpath, NEW_MPATH);
1705 CMD(update_mesh_config, SET_MESH_CONFIG);
1706 CMD(change_bss, SET_BSS);
1707 CMD(auth, AUTHENTICATE);
1708 CMD(assoc, ASSOCIATE);
1709 CMD(deauth, DEAUTHENTICATE);
1710 CMD(disassoc, DISASSOCIATE);
1711 CMD(join_ibss, JOIN_IBSS);
1712 CMD(join_mesh, JOIN_MESH);
1713 CMD(set_pmksa, SET_PMKSA);
1714 CMD(del_pmksa, DEL_PMKSA);
1715 CMD(flush_pmksa, FLUSH_PMKSA);
1716 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1717 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1718 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1719 CMD(mgmt_tx, FRAME);
1720 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1721 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1723 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1724 goto nla_put_failure;
1726 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1727 rdev->ops->join_mesh) {
1729 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1730 goto nla_put_failure;
1732 CMD(set_wds_peer, SET_WDS_PEER);
1733 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1734 CMD(tdls_mgmt, TDLS_MGMT);
1735 CMD(tdls_oper, TDLS_OPER);
1737 if (rdev->wiphy.max_sched_scan_reqs)
1738 CMD(sched_scan_start, START_SCHED_SCAN);
1739 CMD(probe_client, PROBE_CLIENT);
1740 CMD(set_noack_map, SET_NOACK_MAP);
1741 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1743 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1744 goto nla_put_failure;
1746 CMD(start_p2p_device, START_P2P_DEVICE);
1747 CMD(set_mcast_rate, SET_MCAST_RATE);
1748 #ifdef CONFIG_NL80211_TESTMODE
1749 CMD(testmode_cmd, TESTMODE);
1752 if (rdev->ops->connect || rdev->ops->auth) {
1754 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1755 goto nla_put_failure;
1758 if (rdev->ops->disconnect || rdev->ops->deauth) {
1760 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1761 goto nla_put_failure;
1770 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1771 struct sk_buff *msg)
1775 if (!cap->ftm.supported)
1778 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
1782 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1784 if (cap->ftm.non_asap &&
1785 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1787 if (cap->ftm.request_lci &&
1788 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1790 if (cap->ftm.request_civicloc &&
1791 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1793 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1794 cap->ftm.preambles))
1796 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1797 cap->ftm.bandwidths))
1799 if (cap->ftm.max_bursts_exponent >= 0 &&
1800 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1801 cap->ftm.max_bursts_exponent))
1803 if (cap->ftm.max_ftms_per_burst &&
1804 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1805 cap->ftm.max_ftms_per_burst))
1808 nla_nest_end(msg, ftm);
1812 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1813 struct sk_buff *msg)
1815 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1816 struct nlattr *pmsr, *caps;
1822 * we don't need to clean up anything here since the caller
1823 * will genlmsg_cancel() if we fail
1826 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
1830 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
1833 if (cap->report_ap_tsf &&
1834 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
1837 if (cap->randomize_mac_addr &&
1838 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
1841 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
1845 if (nl80211_send_pmsr_ftm_capa(cap, msg))
1848 nla_nest_end(msg, caps);
1849 nla_nest_end(msg, pmsr);
1854 struct nl80211_dump_wiphy_state {
1857 long split_start, band_start, chan_start, capa_start;
1861 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
1862 enum nl80211_commands cmd,
1863 struct sk_buff *msg, u32 portid, u32 seq,
1864 int flags, struct nl80211_dump_wiphy_state *state)
1867 struct nlattr *nl_bands, *nl_band;
1868 struct nlattr *nl_freqs, *nl_freq;
1869 struct nlattr *nl_cmds;
1870 enum nl80211_band band;
1871 struct ieee80211_channel *chan;
1873 const struct ieee80211_txrx_stypes *mgmt_stypes =
1874 rdev->wiphy.mgmt_stypes;
1877 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
1881 if (WARN_ON(!state))
1884 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
1885 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1886 wiphy_name(&rdev->wiphy)) ||
1887 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1888 cfg80211_rdev_list_generation))
1889 goto nla_put_failure;
1891 if (cmd != NL80211_CMD_NEW_WIPHY)
1894 switch (state->split_start) {
1896 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1897 rdev->wiphy.retry_short) ||
1898 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1899 rdev->wiphy.retry_long) ||
1900 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1901 rdev->wiphy.frag_threshold) ||
1902 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1903 rdev->wiphy.rts_threshold) ||
1904 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1905 rdev->wiphy.coverage_class) ||
1906 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1907 rdev->wiphy.max_scan_ssids) ||
1908 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1909 rdev->wiphy.max_sched_scan_ssids) ||
1910 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1911 rdev->wiphy.max_scan_ie_len) ||
1912 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1913 rdev->wiphy.max_sched_scan_ie_len) ||
1914 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1915 rdev->wiphy.max_match_sets) ||
1916 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
1917 rdev->wiphy.max_sched_scan_plans) ||
1918 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
1919 rdev->wiphy.max_sched_scan_plan_interval) ||
1920 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
1921 rdev->wiphy.max_sched_scan_plan_iterations))
1922 goto nla_put_failure;
1924 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1925 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1926 goto nla_put_failure;
1927 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1928 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1929 goto nla_put_failure;
1930 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1931 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1932 goto nla_put_failure;
1933 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1934 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1935 goto nla_put_failure;
1936 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1937 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1938 goto nla_put_failure;
1939 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1940 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1941 goto nla_put_failure;
1942 state->split_start++;
1947 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1948 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1949 rdev->wiphy.cipher_suites))
1950 goto nla_put_failure;
1952 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1953 rdev->wiphy.max_num_pmkids))
1954 goto nla_put_failure;
1956 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1957 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1958 goto nla_put_failure;
1960 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1961 rdev->wiphy.available_antennas_tx) ||
1962 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1963 rdev->wiphy.available_antennas_rx))
1964 goto nla_put_failure;
1966 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
1967 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1968 rdev->wiphy.probe_resp_offload))
1969 goto nla_put_failure;
1971 if ((rdev->wiphy.available_antennas_tx ||
1972 rdev->wiphy.available_antennas_rx) &&
1973 rdev->ops->get_antenna) {
1974 u32 tx_ant = 0, rx_ant = 0;
1977 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
1979 if (nla_put_u32(msg,
1980 NL80211_ATTR_WIPHY_ANTENNA_TX,
1983 NL80211_ATTR_WIPHY_ANTENNA_RX,
1985 goto nla_put_failure;
1989 state->split_start++;
1994 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1995 rdev->wiphy.interface_modes))
1996 goto nla_put_failure;
1997 state->split_start++;
2002 nl_bands = nla_nest_start_noflag(msg,
2003 NL80211_ATTR_WIPHY_BANDS);
2005 goto nla_put_failure;
2007 for (band = state->band_start;
2008 band < NUM_NL80211_BANDS; band++) {
2009 struct ieee80211_supported_band *sband;
2011 sband = rdev->wiphy.bands[band];
2016 nl_band = nla_nest_start_noflag(msg, band);
2018 goto nla_put_failure;
2020 switch (state->chan_start) {
2022 if (nl80211_send_band_rateinfo(msg, sband))
2023 goto nla_put_failure;
2024 state->chan_start++;
2029 /* add frequencies */
2030 nl_freqs = nla_nest_start_noflag(msg,
2031 NL80211_BAND_ATTR_FREQS);
2033 goto nla_put_failure;
2035 for (i = state->chan_start - 1;
2036 i < sband->n_channels;
2038 nl_freq = nla_nest_start_noflag(msg,
2041 goto nla_put_failure;
2043 chan = &sband->channels[i];
2045 if (nl80211_msg_put_channel(
2046 msg, &rdev->wiphy, chan,
2048 goto nla_put_failure;
2050 nla_nest_end(msg, nl_freq);
2054 if (i < sband->n_channels)
2055 state->chan_start = i + 2;
2057 state->chan_start = 0;
2058 nla_nest_end(msg, nl_freqs);
2061 nla_nest_end(msg, nl_band);
2064 /* start again here */
2065 if (state->chan_start)
2070 nla_nest_end(msg, nl_bands);
2072 if (band < NUM_NL80211_BANDS)
2073 state->band_start = band + 1;
2075 state->band_start = 0;
2077 /* if bands & channels are done, continue outside */
2078 if (state->band_start == 0 && state->chan_start == 0)
2079 state->split_start++;
2084 nl_cmds = nla_nest_start_noflag(msg,
2085 NL80211_ATTR_SUPPORTED_COMMANDS);
2087 goto nla_put_failure;
2089 i = nl80211_add_commands_unsplit(rdev, msg);
2091 goto nla_put_failure;
2093 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2094 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2095 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2096 CMD(channel_switch, CHANNEL_SWITCH);
2097 CMD(set_qos_map, SET_QOS_MAP);
2098 if (rdev->wiphy.features &
2099 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2100 CMD(add_tx_ts, ADD_TX_TS);
2101 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2102 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2103 CMD(update_ft_ies, UPDATE_FT_IES);
2107 nla_nest_end(msg, nl_cmds);
2108 state->split_start++;
2113 if (rdev->ops->remain_on_channel &&
2114 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2116 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2117 rdev->wiphy.max_remain_on_channel_duration))
2118 goto nla_put_failure;
2120 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2121 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2122 goto nla_put_failure;
2124 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2125 goto nla_put_failure;
2126 state->split_start++;
2132 if (nl80211_send_wowlan(msg, rdev, state->split))
2133 goto nla_put_failure;
2134 state->split_start++;
2138 state->split_start++;
2142 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2143 rdev->wiphy.software_iftypes))
2144 goto nla_put_failure;
2146 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2148 goto nla_put_failure;
2150 state->split_start++;
2155 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2156 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2157 rdev->wiphy.ap_sme_capa))
2158 goto nla_put_failure;
2160 features = rdev->wiphy.features;
2162 * We can only add the per-channel limit information if the
2163 * dump is split, otherwise it makes it too big. Therefore
2164 * only advertise it in that case.
2167 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2168 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2169 goto nla_put_failure;
2171 if (rdev->wiphy.ht_capa_mod_mask &&
2172 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2173 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2174 rdev->wiphy.ht_capa_mod_mask))
2175 goto nla_put_failure;
2177 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2178 rdev->wiphy.max_acl_mac_addrs &&
2179 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2180 rdev->wiphy.max_acl_mac_addrs))
2181 goto nla_put_failure;
2184 * Any information below this point is only available to
2185 * applications that can deal with it being split. This
2186 * helps ensure that newly added capabilities don't break
2187 * older tools by overrunning their buffers.
2189 * We still increment split_start so that in the split
2190 * case we'll continue with more data in the next round,
2191 * but break unconditionally so unsplit data stops here.
2193 state->split_start++;
2196 if (rdev->wiphy.extended_capabilities &&
2197 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2198 rdev->wiphy.extended_capabilities_len,
2199 rdev->wiphy.extended_capabilities) ||
2200 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2201 rdev->wiphy.extended_capabilities_len,
2202 rdev->wiphy.extended_capabilities_mask)))
2203 goto nla_put_failure;
2205 if (rdev->wiphy.vht_capa_mod_mask &&
2206 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2207 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2208 rdev->wiphy.vht_capa_mod_mask))
2209 goto nla_put_failure;
2211 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2212 rdev->wiphy.perm_addr))
2213 goto nla_put_failure;
2215 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2216 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2217 rdev->wiphy.addr_mask))
2218 goto nla_put_failure;
2220 if (rdev->wiphy.n_addresses > 1) {
2223 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2225 goto nla_put_failure;
2227 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2228 if (nla_put(msg, i + 1, ETH_ALEN,
2229 rdev->wiphy.addresses[i].addr))
2230 goto nla_put_failure;
2232 nla_nest_end(msg, attr);
2235 state->split_start++;
2238 if (nl80211_send_coalesce(msg, rdev))
2239 goto nla_put_failure;
2241 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2242 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2243 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2244 goto nla_put_failure;
2246 if (rdev->wiphy.max_ap_assoc_sta &&
2247 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2248 rdev->wiphy.max_ap_assoc_sta))
2249 goto nla_put_failure;
2251 state->split_start++;
2254 if (rdev->wiphy.n_vendor_commands) {
2255 const struct nl80211_vendor_cmd_info *info;
2256 struct nlattr *nested;
2258 nested = nla_nest_start_noflag(msg,
2259 NL80211_ATTR_VENDOR_DATA);
2261 goto nla_put_failure;
2263 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2264 info = &rdev->wiphy.vendor_commands[i].info;
2265 if (nla_put(msg, i + 1, sizeof(*info), info))
2266 goto nla_put_failure;
2268 nla_nest_end(msg, nested);
2271 if (rdev->wiphy.n_vendor_events) {
2272 const struct nl80211_vendor_cmd_info *info;
2273 struct nlattr *nested;
2275 nested = nla_nest_start_noflag(msg,
2276 NL80211_ATTR_VENDOR_EVENTS);
2278 goto nla_put_failure;
2280 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2281 info = &rdev->wiphy.vendor_events[i];
2282 if (nla_put(msg, i + 1, sizeof(*info), info))
2283 goto nla_put_failure;
2285 nla_nest_end(msg, nested);
2287 state->split_start++;
2290 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2291 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2292 rdev->wiphy.max_num_csa_counters))
2293 goto nla_put_failure;
2295 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2296 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2297 goto nla_put_failure;
2299 if (rdev->wiphy.max_sched_scan_reqs &&
2300 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2301 rdev->wiphy.max_sched_scan_reqs))
2302 goto nla_put_failure;
2304 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2305 sizeof(rdev->wiphy.ext_features),
2306 rdev->wiphy.ext_features))
2307 goto nla_put_failure;
2309 if (rdev->wiphy.bss_select_support) {
2310 struct nlattr *nested;
2311 u32 bss_select_support = rdev->wiphy.bss_select_support;
2313 nested = nla_nest_start_noflag(msg,
2314 NL80211_ATTR_BSS_SELECT);
2316 goto nla_put_failure;
2319 while (bss_select_support) {
2320 if ((bss_select_support & 1) &&
2321 nla_put_flag(msg, i))
2322 goto nla_put_failure;
2324 bss_select_support >>= 1;
2326 nla_nest_end(msg, nested);
2329 state->split_start++;
2332 if (rdev->wiphy.num_iftype_ext_capab &&
2333 rdev->wiphy.iftype_ext_capab) {
2334 struct nlattr *nested_ext_capab, *nested;
2336 nested = nla_nest_start_noflag(msg,
2337 NL80211_ATTR_IFTYPE_EXT_CAPA);
2339 goto nla_put_failure;
2341 for (i = state->capa_start;
2342 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2343 const struct wiphy_iftype_ext_capab *capab;
2345 capab = &rdev->wiphy.iftype_ext_capab[i];
2347 nested_ext_capab = nla_nest_start_noflag(msg,
2349 if (!nested_ext_capab ||
2350 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2352 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2353 capab->extended_capabilities_len,
2354 capab->extended_capabilities) ||
2355 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2356 capab->extended_capabilities_len,
2357 capab->extended_capabilities_mask))
2358 goto nla_put_failure;
2360 nla_nest_end(msg, nested_ext_capab);
2364 nla_nest_end(msg, nested);
2365 if (i < rdev->wiphy.num_iftype_ext_capab) {
2366 state->capa_start = i + 1;
2371 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2372 rdev->wiphy.nan_supported_bands))
2373 goto nla_put_failure;
2375 if (wiphy_ext_feature_isset(&rdev->wiphy,
2376 NL80211_EXT_FEATURE_TXQS)) {
2377 struct cfg80211_txq_stats txqstats = {};
2380 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2382 !nl80211_put_txq_stats(msg, &txqstats,
2383 NL80211_ATTR_TXQ_STATS))
2384 goto nla_put_failure;
2386 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2387 rdev->wiphy.txq_limit))
2388 goto nla_put_failure;
2389 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2390 rdev->wiphy.txq_memory_limit))
2391 goto nla_put_failure;
2392 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2393 rdev->wiphy.txq_quantum))
2394 goto nla_put_failure;
2397 state->split_start++;
2400 if (nl80211_send_pmsr_capa(rdev, msg))
2401 goto nla_put_failure;
2403 state->split_start++;
2406 if (rdev->wiphy.akm_suites &&
2407 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2408 sizeof(u32) * rdev->wiphy.n_akm_suites,
2409 rdev->wiphy.akm_suites))
2410 goto nla_put_failure;
2413 state->split_start = 0;
2417 genlmsg_end(msg, hdr);
2421 genlmsg_cancel(msg, hdr);
2425 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2426 struct netlink_callback *cb,
2427 struct nl80211_dump_wiphy_state *state)
2429 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2435 ret = nlmsg_parse_deprecated(cb->nlh,
2436 GENL_HDRLEN + nl80211_fam.hdrsize,
2437 tb, nl80211_fam.maxattr,
2438 nl80211_policy, NULL);
2439 /* ignore parse errors for backward compatibility */
2445 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2446 if (tb[NL80211_ATTR_WIPHY])
2447 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2448 if (tb[NL80211_ATTR_WDEV])
2449 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2450 if (tb[NL80211_ATTR_IFINDEX]) {
2451 struct net_device *netdev;
2452 struct cfg80211_registered_device *rdev;
2453 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2455 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2460 if (netdev->ieee80211_ptr) {
2461 rdev = wiphy_to_rdev(
2462 netdev->ieee80211_ptr->wiphy);
2463 state->filter_wiphy = rdev->wiphy_idx;
2473 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2476 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2477 struct cfg80211_registered_device *rdev;
2481 state = kzalloc(sizeof(*state), GFP_KERNEL);
2486 state->filter_wiphy = -1;
2487 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2493 cb->args[0] = (long)state;
2496 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2497 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2499 if (++idx <= state->start)
2501 if (state->filter_wiphy != -1 &&
2502 state->filter_wiphy != rdev->wiphy_idx)
2504 /* attempt to fit multiple wiphy data chunks into the skb */
2506 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2508 NETLINK_CB(cb->skb).portid,
2510 NLM_F_MULTI, state);
2513 * If sending the wiphy data didn't fit (ENOBUFS
2514 * or EMSGSIZE returned), this SKB is still
2515 * empty (so it's not too big because another
2516 * wiphy dataset is already in the skb) and
2517 * we've not tried to adjust the dump allocation
2518 * yet ... then adjust the alloc size to be
2519 * bigger, and return 1 but with the empty skb.
2520 * This results in an empty message being RX'ed
2521 * in userspace, but that is ignored.
2523 * We can then retry with the larger buffer.
2525 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2526 !skb->len && !state->split &&
2527 cb->min_dump_alloc < 4096) {
2528 cb->min_dump_alloc = 4096;
2529 state->split_start = 0;
2536 } while (state->split_start > 0);
2546 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2548 kfree((void *)cb->args[0]);
2552 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2554 struct sk_buff *msg;
2555 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2556 struct nl80211_dump_wiphy_state state = {};
2558 msg = nlmsg_new(4096, GFP_KERNEL);
2562 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2563 info->snd_portid, info->snd_seq, 0,
2569 return genlmsg_reply(msg, info);
2572 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2573 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2574 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2575 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2576 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2577 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2580 static int parse_txq_params(struct nlattr *tb[],
2581 struct ieee80211_txq_params *txq_params)
2585 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2586 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2587 !tb[NL80211_TXQ_ATTR_AIFS])
2590 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2591 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2592 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2593 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2594 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2596 if (ac >= NL80211_NUM_ACS)
2598 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2602 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2605 * You can only set the channel explicitly for WDS interfaces,
2606 * all others have their channel managed via their respective
2607 * "establish a connection" command (connect, join, ...)
2609 * For AP/GO and mesh mode, the channel can be set with the
2610 * channel userspace API, but is only stored and passed to the
2611 * low-level driver when the AP starts or the mesh is joined.
2612 * This is for backward compatibility, userspace can also give
2613 * the channel in the start-ap or join-mesh commands instead.
2615 * Monitors are special as they are normally slaved to
2616 * whatever else is going on, so they have their own special
2617 * operation to set the monitor channel if possible.
2620 wdev->iftype == NL80211_IFTYPE_AP ||
2621 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2622 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2623 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2626 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2627 struct genl_info *info,
2628 struct cfg80211_chan_def *chandef)
2630 struct netlink_ext_ack *extack = info->extack;
2631 struct nlattr **attrs = info->attrs;
2634 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
2637 control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);
2639 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
2640 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2641 chandef->center_freq1 = control_freq;
2642 chandef->center_freq2 = 0;
2644 /* Primary channel not allowed */
2645 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2646 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2647 "Channel is disabled");
2651 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2652 enum nl80211_channel_type chantype;
2654 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2657 case NL80211_CHAN_NO_HT:
2658 case NL80211_CHAN_HT20:
2659 case NL80211_CHAN_HT40PLUS:
2660 case NL80211_CHAN_HT40MINUS:
2661 cfg80211_chandef_create(chandef, chandef->chan,
2663 /* user input for center_freq is incorrect */
2664 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
2665 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
2666 NL_SET_ERR_MSG_ATTR(extack,
2667 attrs[NL80211_ATTR_CENTER_FREQ1],
2668 "bad center frequency 1");
2671 /* center_freq2 must be zero */
2672 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
2673 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
2674 NL_SET_ERR_MSG_ATTR(extack,
2675 attrs[NL80211_ATTR_CENTER_FREQ2],
2676 "center frequency 2 can't be used");
2681 NL_SET_ERR_MSG_ATTR(extack,
2682 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2683 "invalid channel type");
2686 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
2688 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2689 if (attrs[NL80211_ATTR_CENTER_FREQ1])
2690 chandef->center_freq1 =
2691 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
2692 if (attrs[NL80211_ATTR_CENTER_FREQ2])
2693 chandef->center_freq2 =
2694 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
2697 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
2698 chandef->edmg.channels =
2699 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
2701 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
2702 chandef->edmg.bw_config =
2703 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
2705 chandef->edmg.bw_config = 0;
2706 chandef->edmg.channels = 0;
2709 if (!cfg80211_chandef_valid(chandef)) {
2710 NL_SET_ERR_MSG(extack, "invalid channel definition");
2714 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
2715 IEEE80211_CHAN_DISABLED)) {
2716 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
2720 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2721 chandef->width == NL80211_CHAN_WIDTH_10) &&
2722 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
2723 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2730 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
2731 struct net_device *dev,
2732 struct genl_info *info)
2734 struct cfg80211_chan_def chandef;
2736 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
2737 struct wireless_dev *wdev = NULL;
2740 wdev = dev->ieee80211_ptr;
2741 if (!nl80211_can_set_dev_channel(wdev))
2744 iftype = wdev->iftype;
2746 result = nl80211_parse_chandef(rdev, info, &chandef);
2751 case NL80211_IFTYPE_AP:
2752 case NL80211_IFTYPE_P2P_GO:
2753 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2758 if (wdev->beacon_interval) {
2759 if (!dev || !rdev->ops->set_ap_chanwidth ||
2760 !(rdev->wiphy.features &
2761 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2766 /* Only allow dynamic channel width changes */
2767 if (chandef.chan != wdev->preset_chandef.chan) {
2771 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2775 wdev->preset_chandef = chandef;
2778 case NL80211_IFTYPE_MESH_POINT:
2779 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
2781 case NL80211_IFTYPE_MONITOR:
2782 result = cfg80211_set_monitor_channel(rdev, &chandef);
2791 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2793 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2794 struct net_device *netdev = info->user_ptr[1];
2796 return __nl80211_set_channel(rdev, netdev, info);
2799 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2801 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2802 struct net_device *dev = info->user_ptr[1];
2803 struct wireless_dev *wdev = dev->ieee80211_ptr;
2806 if (!info->attrs[NL80211_ATTR_MAC])
2809 if (netif_running(dev))
2812 if (!rdev->ops->set_wds_peer)
2815 if (wdev->iftype != NL80211_IFTYPE_WDS)
2818 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
2819 return rdev_set_wds_peer(rdev, dev, bssid);
2822 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2824 struct cfg80211_registered_device *rdev;
2825 struct net_device *netdev = NULL;
2826 struct wireless_dev *wdev;
2827 int result = 0, rem_txq_params = 0;
2828 struct nlattr *nl_txq_params;
2830 u8 retry_short = 0, retry_long = 0;
2831 u32 frag_threshold = 0, rts_threshold = 0;
2832 u8 coverage_class = 0;
2833 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
2838 * Try to find the wiphy and netdev. Normally this
2839 * function shouldn't need the netdev, but this is
2840 * done for backward compatibility -- previously
2841 * setting the channel was done per wiphy, but now
2842 * it is per netdev. Previous userland like hostapd
2843 * also passed a netdev to set_wiphy, so that it is
2844 * possible to let that go to the right netdev!
2847 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2848 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2850 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
2851 if (netdev && netdev->ieee80211_ptr)
2852 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
2858 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2861 return PTR_ERR(rdev);
2866 wdev = netdev->ieee80211_ptr;
2869 * end workaround code, by now the rdev is available
2870 * and locked, and wdev may or may not be NULL.
2873 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
2874 result = cfg80211_dev_rename(
2875 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
2880 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2881 struct ieee80211_txq_params txq_params;
2882 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2884 if (!rdev->ops->set_txq_params)
2890 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2891 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2894 if (!netif_running(netdev))
2897 nla_for_each_nested(nl_txq_params,
2898 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2900 result = nla_parse_nested_deprecated(tb,
2901 NL80211_TXQ_ATTR_MAX,
2907 result = parse_txq_params(tb, &txq_params);
2911 result = rdev_set_txq_params(rdev, netdev,
2918 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2919 result = __nl80211_set_channel(
2921 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2927 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2928 struct wireless_dev *txp_wdev = wdev;
2929 enum nl80211_tx_power_setting type;
2932 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2935 if (!rdev->ops->set_tx_power)
2938 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2939 type = nla_get_u32(info->attrs[idx]);
2941 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2942 (type != NL80211_TX_POWER_AUTOMATIC))
2945 if (type != NL80211_TX_POWER_AUTOMATIC) {
2946 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2947 mbm = nla_get_u32(info->attrs[idx]);
2950 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2955 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2956 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2959 if ((!rdev->wiphy.available_antennas_tx &&
2960 !rdev->wiphy.available_antennas_rx) ||
2961 !rdev->ops->set_antenna)
2964 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2965 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2967 /* reject antenna configurations which don't match the
2968 * available antenna masks, except for the "all" mask */
2969 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
2970 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
2973 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2974 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
2976 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
2983 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2984 retry_short = nla_get_u8(
2985 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
2987 changed |= WIPHY_PARAM_RETRY_SHORT;
2990 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2991 retry_long = nla_get_u8(
2992 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
2994 changed |= WIPHY_PARAM_RETRY_LONG;
2997 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2998 frag_threshold = nla_get_u32(
2999 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3000 if (frag_threshold < 256)
3003 if (frag_threshold != (u32) -1) {
3005 * Fragments (apart from the last one) are required to
3006 * have even length. Make the fragmentation code
3007 * simpler by stripping LSB should someone try to use
3008 * odd threshold value.
3010 frag_threshold &= ~0x1;
3012 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3015 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3016 rts_threshold = nla_get_u32(
3017 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3018 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3021 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3022 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
3025 coverage_class = nla_get_u8(
3026 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3027 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3030 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3031 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
3034 changed |= WIPHY_PARAM_DYN_ACK;
3037 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3038 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3039 NL80211_EXT_FEATURE_TXQS))
3041 txq_limit = nla_get_u32(
3042 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3043 changed |= WIPHY_PARAM_TXQ_LIMIT;
3046 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3047 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3048 NL80211_EXT_FEATURE_TXQS))
3050 txq_memory_limit = nla_get_u32(
3051 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3052 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3055 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3056 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3057 NL80211_EXT_FEATURE_TXQS))
3059 txq_quantum = nla_get_u32(
3060 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3061 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3065 u8 old_retry_short, old_retry_long;
3066 u32 old_frag_threshold, old_rts_threshold;
3067 u8 old_coverage_class;
3068 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3070 if (!rdev->ops->set_wiphy_params)
3073 old_retry_short = rdev->wiphy.retry_short;
3074 old_retry_long = rdev->wiphy.retry_long;
3075 old_frag_threshold = rdev->wiphy.frag_threshold;
3076 old_rts_threshold = rdev->wiphy.rts_threshold;
3077 old_coverage_class = rdev->wiphy.coverage_class;
3078 old_txq_limit = rdev->wiphy.txq_limit;
3079 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3080 old_txq_quantum = rdev->wiphy.txq_quantum;
3082 if (changed & WIPHY_PARAM_RETRY_SHORT)
3083 rdev->wiphy.retry_short = retry_short;
3084 if (changed & WIPHY_PARAM_RETRY_LONG)
3085 rdev->wiphy.retry_long = retry_long;
3086 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3087 rdev->wiphy.frag_threshold = frag_threshold;
3088 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3089 rdev->wiphy.rts_threshold = rts_threshold;
3090 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3091 rdev->wiphy.coverage_class = coverage_class;
3092 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3093 rdev->wiphy.txq_limit = txq_limit;
3094 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3095 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3096 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3097 rdev->wiphy.txq_quantum = txq_quantum;
3099 result = rdev_set_wiphy_params(rdev, changed);
3101 rdev->wiphy.retry_short = old_retry_short;
3102 rdev->wiphy.retry_long = old_retry_long;
3103 rdev->wiphy.frag_threshold = old_frag_threshold;
3104 rdev->wiphy.rts_threshold = old_rts_threshold;
3105 rdev->wiphy.coverage_class = old_coverage_class;
3106 rdev->wiphy.txq_limit = old_txq_limit;
3107 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3108 rdev->wiphy.txq_quantum = old_txq_quantum;
3115 static int nl80211_send_chandef(struct sk_buff *msg,
3116 const struct cfg80211_chan_def *chandef)
3118 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3121 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3122 chandef->chan->center_freq))
3124 switch (chandef->width) {
3125 case NL80211_CHAN_WIDTH_20_NOHT:
3126 case NL80211_CHAN_WIDTH_20:
3127 case NL80211_CHAN_WIDTH_40:
3128 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3129 cfg80211_get_chandef_type(chandef)))
3135 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3137 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3139 if (chandef->center_freq2 &&
3140 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3145 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3146 struct cfg80211_registered_device *rdev,
3147 struct wireless_dev *wdev,
3148 enum nl80211_commands cmd)
3150 struct net_device *dev = wdev->netdev;
3153 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3154 cmd != NL80211_CMD_DEL_INTERFACE &&
3155 cmd != NL80211_CMD_SET_INTERFACE);
3157 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3162 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3163 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3164 goto nla_put_failure;
3166 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3167 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3168 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3169 NL80211_ATTR_PAD) ||
3170 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3171 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3172 rdev->devlist_generation ^
3173 (cfg80211_rdev_list_generation << 2)) ||
3174 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3175 goto nla_put_failure;
3177 if (rdev->ops->get_channel) {
3179 struct cfg80211_chan_def chandef;
3181 ret = rdev_get_channel(rdev, wdev, &chandef);
3183 if (nl80211_send_chandef(msg, &chandef))
3184 goto nla_put_failure;
3188 if (rdev->ops->get_tx_power) {
3191 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3193 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3195 goto nla_put_failure;
3199 switch (wdev->iftype) {
3200 case NL80211_IFTYPE_AP:
3201 if (wdev->ssid_len &&
3202 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3203 goto nla_put_failure_locked;
3205 case NL80211_IFTYPE_STATION:
3206 case NL80211_IFTYPE_P2P_CLIENT:
3207 case NL80211_IFTYPE_ADHOC: {
3209 if (!wdev->current_bss)
3212 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3215 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3216 goto nla_put_failure_rcu_locked;
3226 if (rdev->ops->get_txq_stats) {
3227 struct cfg80211_txq_stats txqstats = {};
3228 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3231 !nl80211_put_txq_stats(msg, &txqstats,
3232 NL80211_ATTR_TXQ_STATS))
3233 goto nla_put_failure;
3236 genlmsg_end(msg, hdr);
3239 nla_put_failure_rcu_locked:
3241 nla_put_failure_locked:
3244 genlmsg_cancel(msg, hdr);
3248 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3252 int wp_start = cb->args[0];
3253 int if_start = cb->args[1];
3254 int filter_wiphy = -1;
3255 struct cfg80211_registered_device *rdev;
3256 struct wireless_dev *wdev;
3261 struct nl80211_dump_wiphy_state state = {
3265 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3269 filter_wiphy = state.filter_wiphy;
3272 * if filtering, set cb->args[2] to +1 since 0 is the default
3273 * value needed to determine that parsing is necessary.
3275 if (filter_wiphy >= 0)
3276 cb->args[2] = filter_wiphy + 1;
3279 } else if (cb->args[2] > 0) {
3280 filter_wiphy = cb->args[2] - 1;
3283 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3284 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3286 if (wp_idx < wp_start) {
3291 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3296 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3297 if (if_idx < if_start) {
3301 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3302 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3304 NL80211_CMD_NEW_INTERFACE) < 0) {
3313 cb->args[0] = wp_idx;
3314 cb->args[1] = if_idx;
3323 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3325 struct sk_buff *msg;
3326 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3327 struct wireless_dev *wdev = info->user_ptr[1];
3329 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3333 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3334 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3339 return genlmsg_reply(msg, info);
3342 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3343 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3344 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3345 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3346 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3347 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3348 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3351 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3353 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3361 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3364 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3366 *mntrflags |= (1<<flag);
3368 *mntrflags |= MONITOR_FLAG_CHANGED;
3373 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3374 enum nl80211_iftype type,
3375 struct genl_info *info,
3376 struct vif_params *params)
3378 bool change = false;
3381 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3382 if (type != NL80211_IFTYPE_MONITOR)
3385 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3393 if (params->flags & MONITOR_FLAG_ACTIVE &&
3394 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3397 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3398 const u8 *mumimo_groups;
3399 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3401 if (type != NL80211_IFTYPE_MONITOR)
3404 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3408 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3410 /* bits 0 and 63 are reserved and must be zero */
3411 if ((mumimo_groups[0] & BIT(0)) ||
3412 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3415 params->vht_mumimo_groups = mumimo_groups;
3419 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3420 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3422 if (type != NL80211_IFTYPE_MONITOR)
3425 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3428 params->vht_mumimo_follow_addr =
3429 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3433 return change ? 1 : 0;
3436 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3437 struct net_device *netdev, u8 use_4addr,
3438 enum nl80211_iftype iftype)
3441 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
3447 case NL80211_IFTYPE_AP_VLAN:
3448 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3451 case NL80211_IFTYPE_STATION:
3452 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3462 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3464 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3465 struct vif_params params;
3467 enum nl80211_iftype otype, ntype;
3468 struct net_device *dev = info->user_ptr[1];
3469 bool change = false;
3471 memset(¶ms, 0, sizeof(params));
3473 otype = ntype = dev->ieee80211_ptr->iftype;
3475 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3476 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3481 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3482 struct wireless_dev *wdev = dev->ieee80211_ptr;
3484 if (ntype != NL80211_IFTYPE_MESH_POINT)
3486 if (netif_running(dev))
3490 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3491 IEEE80211_MAX_MESH_ID_LEN);
3492 wdev->mesh_id_up_len =
3493 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3494 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3495 wdev->mesh_id_up_len);
3499 if (info->attrs[NL80211_ATTR_4ADDR]) {
3500 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3502 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3506 params.use_4addr = -1;
3509 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3516 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3520 if (!err && params.use_4addr != -1)
3521 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3523 if (change && !err) {
3524 struct wireless_dev *wdev = dev->ieee80211_ptr;
3526 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3532 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3534 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3535 struct vif_params params;
3536 struct wireless_dev *wdev;
3537 struct sk_buff *msg;
3539 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3541 /* to avoid failing a new interface creation due to pending removal */
3542 cfg80211_destroy_ifaces(rdev);
3544 memset(¶ms, 0, sizeof(params));
3546 if (!info->attrs[NL80211_ATTR_IFNAME])
3549 if (info->attrs[NL80211_ATTR_IFTYPE])
3550 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3552 if (!rdev->ops->add_virtual_intf)
3555 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3556 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3557 info->attrs[NL80211_ATTR_MAC]) {
3558 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3560 if (!is_valid_ether_addr(params.macaddr))
3561 return -EADDRNOTAVAIL;
3564 if (info->attrs[NL80211_ATTR_4ADDR]) {
3565 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3566 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3571 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
3574 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3578 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3582 wdev = rdev_add_virtual_intf(rdev,
3583 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3584 NET_NAME_USER, type, ¶ms);
3585 if (WARN_ON(!wdev)) {
3588 } else if (IS_ERR(wdev)) {
3590 return PTR_ERR(wdev);
3593 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3594 wdev->owner_nlportid = info->snd_portid;
3597 case NL80211_IFTYPE_MESH_POINT:
3598 if (!info->attrs[NL80211_ATTR_MESH_ID])
3601 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3602 IEEE80211_MAX_MESH_ID_LEN);
3603 wdev->mesh_id_up_len =
3604 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3605 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3606 wdev->mesh_id_up_len);
3609 case NL80211_IFTYPE_NAN:
3610 case NL80211_IFTYPE_P2P_DEVICE:
3612 * P2P Device and NAN do not have a netdev, so don't go
3613 * through the netdev notifier and must be added here
3615 cfg80211_init_wdev(rdev, wdev);
3621 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3622 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3627 return genlmsg_reply(msg, info);
3630 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3632 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3633 struct wireless_dev *wdev = info->user_ptr[1];
3635 if (!rdev->ops->del_virtual_intf)
3639 * If we remove a wireless device without a netdev then clear
3640 * user_ptr[1] so that nl80211_post_doit won't dereference it
3641 * to check if it needs to do dev_put(). Otherwise it crashes
3642 * since the wdev has been freed, unlike with a netdev where
3643 * we need the dev_put() for the netdev to really be freed.
3646 info->user_ptr[1] = NULL;
3648 return rdev_del_virtual_intf(rdev, wdev);
3651 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3653 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3654 struct net_device *dev = info->user_ptr[1];
3657 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3660 if (!rdev->ops->set_noack_map)
3663 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3665 return rdev_set_noack_map(rdev, dev, noack_map);
3668 struct get_key_cookie {
3669 struct sk_buff *msg;
3674 static void get_key_callback(void *c, struct key_params *params)
3677 struct get_key_cookie *cookie = c;
3680 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3681 params->key_len, params->key)) ||
3683 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3684 params->seq_len, params->seq)) ||
3686 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3688 goto nla_put_failure;
3690 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
3692 goto nla_put_failure;
3695 nla_put(cookie->msg, NL80211_KEY_DATA,
3696 params->key_len, params->key)) ||
3698 nla_put(cookie->msg, NL80211_KEY_SEQ,
3699 params->seq_len, params->seq)) ||
3701 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3703 goto nla_put_failure;
3705 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
3706 goto nla_put_failure;
3708 nla_nest_end(cookie->msg, key);
3715 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3717 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3719 struct net_device *dev = info->user_ptr[1];
3721 const u8 *mac_addr = NULL;
3723 struct get_key_cookie cookie = {
3727 struct sk_buff *msg;
3729 if (info->attrs[NL80211_ATTR_KEY_IDX])
3730 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3732 if (info->attrs[NL80211_ATTR_MAC])
3733 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3735 pairwise = !!mac_addr;
3736 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3737 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
3739 if (kt != NL80211_KEYTYPE_GROUP &&
3740 kt != NL80211_KEYTYPE_PAIRWISE)
3742 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3745 if (!rdev->ops->get_key)
3748 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3751 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3755 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3756 NL80211_CMD_NEW_KEY);
3758 goto nla_put_failure;
3761 cookie.idx = key_idx;
3763 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3764 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3765 goto nla_put_failure;
3767 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3768 goto nla_put_failure;
3770 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3777 goto nla_put_failure;
3779 genlmsg_end(msg, hdr);
3780 return genlmsg_reply(msg, info);
3789 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3791 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3792 struct key_parse key;
3794 struct net_device *dev = info->user_ptr[1];
3796 err = nl80211_parse_key(info, &key);
3803 /* Only support setting default key and
3804 * Extended Key ID action NL80211_KEY_SET_TX.
3806 if (!key.def && !key.defmgmt &&
3807 !(key.p.mode == NL80211_KEY_SET_TX))
3810 wdev_lock(dev->ieee80211_ptr);
3813 if (!rdev->ops->set_default_key) {
3818 err = nl80211_key_allowed(dev->ieee80211_ptr);
3822 err = rdev_set_default_key(rdev, dev, key.idx,
3823 key.def_uni, key.def_multi);
3828 #ifdef CONFIG_CFG80211_WEXT
3829 dev->ieee80211_ptr->wext.default_key = key.idx;
3831 } else if (key.defmgmt) {
3832 if (key.def_uni || !key.def_multi) {
3837 if (!rdev->ops->set_default_mgmt_key) {
3842 err = nl80211_key_allowed(dev->ieee80211_ptr);
3846 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
3850 #ifdef CONFIG_CFG80211_WEXT
3851 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
3853 } else if (key.p.mode == NL80211_KEY_SET_TX &&
3854 wiphy_ext_feature_isset(&rdev->wiphy,
3855 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
3856 u8 *mac_addr = NULL;
3858 if (info->attrs[NL80211_ATTR_MAC])
3859 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3861 if (!mac_addr || key.idx < 0 || key.idx > 1) {
3866 err = rdev_add_key(rdev, dev, key.idx,
3867 NL80211_KEYTYPE_PAIRWISE,
3873 wdev_unlock(dev->ieee80211_ptr);
3878 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3880 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3882 struct net_device *dev = info->user_ptr[1];
3883 struct key_parse key;
3884 const u8 *mac_addr = NULL;
3886 err = nl80211_parse_key(info, &key);
3893 if (info->attrs[NL80211_ATTR_MAC])
3894 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3896 if (key.type == -1) {
3898 key.type = NL80211_KEYTYPE_PAIRWISE;
3900 key.type = NL80211_KEYTYPE_GROUP;
3904 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3905 key.type != NL80211_KEYTYPE_GROUP)
3908 if (!rdev->ops->add_key)
3911 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3912 key.type == NL80211_KEYTYPE_PAIRWISE,
3916 wdev_lock(dev->ieee80211_ptr);
3917 err = nl80211_key_allowed(dev->ieee80211_ptr);
3919 err = rdev_add_key(rdev, dev, key.idx,
3920 key.type == NL80211_KEYTYPE_PAIRWISE,
3922 wdev_unlock(dev->ieee80211_ptr);
3927 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3929 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3931 struct net_device *dev = info->user_ptr[1];
3932 u8 *mac_addr = NULL;
3933 struct key_parse key;
3935 err = nl80211_parse_key(info, &key);
3939 if (info->attrs[NL80211_ATTR_MAC])
3940 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3942 if (key.type == -1) {
3944 key.type = NL80211_KEYTYPE_PAIRWISE;
3946 key.type = NL80211_KEYTYPE_GROUP;
3950 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3951 key.type != NL80211_KEYTYPE_GROUP)
3954 if (!rdev->ops->del_key)
3957 wdev_lock(dev->ieee80211_ptr);
3958 err = nl80211_key_allowed(dev->ieee80211_ptr);
3960 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
3961 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3965 err = rdev_del_key(rdev, dev, key.idx,
3966 key.type == NL80211_KEYTYPE_PAIRWISE,
3969 #ifdef CONFIG_CFG80211_WEXT
3971 if (key.idx == dev->ieee80211_ptr->wext.default_key)
3972 dev->ieee80211_ptr->wext.default_key = -1;
3973 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
3974 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
3977 wdev_unlock(dev->ieee80211_ptr);
3982 /* This function returns an error or the number of nested attributes */
3983 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
3985 struct nlattr *attr;
3986 int n_entries = 0, tmp;
3988 nla_for_each_nested(attr, nl_attr, tmp) {
3989 if (nla_len(attr) != ETH_ALEN)
3999 * This function parses ACL information and allocates memory for ACL data.
4000 * On successful return, the calling function is responsible to free the
4001 * ACL buffer returned by this function.
4003 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4004 struct genl_info *info)
4006 enum nl80211_acl_policy acl_policy;
4007 struct nlattr *attr;
4008 struct cfg80211_acl_data *acl;
4009 int i = 0, n_entries, tmp;
4011 if (!wiphy->max_acl_mac_addrs)
4012 return ERR_PTR(-EOPNOTSUPP);
4014 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4015 return ERR_PTR(-EINVAL);
4017 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4018 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4019 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4020 return ERR_PTR(-EINVAL);
4022 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4023 return ERR_PTR(-EINVAL);
4025 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4027 return ERR_PTR(n_entries);
4029 if (n_entries > wiphy->max_acl_mac_addrs)
4030 return ERR_PTR(-ENOTSUPP);
4032 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4034 return ERR_PTR(-ENOMEM);
4036 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4037 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4041 acl->n_acl_entries = n_entries;
4042 acl->acl_policy = acl_policy;
4047 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4049 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4050 struct net_device *dev = info->user_ptr[1];
4051 struct cfg80211_acl_data *acl;
4054 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4055 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4058 if (!dev->ieee80211_ptr->beacon_interval)
4061 acl = parse_acl_data(&rdev->wiphy, info);
4063 return PTR_ERR(acl);
4065 err = rdev_set_mac_acl(rdev, dev, acl);
4072 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4073 u8 *rates, u8 rates_len)
4078 for (i = 0; i < rates_len; i++) {
4079 int rate = (rates[i] & 0x7f) * 5;
4082 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4083 struct ieee80211_rate *srate =
4084 &sband->bitrates[ridx];
4085 if (rate == srate->bitrate) {
4090 if (ridx == sband->n_bitrates)
4091 return 0; /* rate not found */
4097 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4098 u8 *rates, u8 rates_len,
4099 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4103 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4105 for (i = 0; i < rates_len; i++) {
4108 ridx = rates[i] / 8;
4109 rbit = BIT(rates[i] % 8);
4111 /* check validity */
4112 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4115 /* check availability */
4116 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4117 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4126 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4130 switch (vht_mcs_map) {
4131 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4133 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4136 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4139 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4149 static void vht_build_mcs_mask(u16 vht_mcs_map,
4150 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4154 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4155 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4160 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4161 struct nl80211_txrate_vht *txrate,
4162 u16 mcs[NL80211_VHT_NSS_MAX])
4164 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4165 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4168 if (!sband->vht_cap.vht_supported)
4171 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4173 /* Build vht_mcs_mask from VHT capabilities */
4174 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4176 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4177 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4178 mcs[i] = txrate->mcs[i];
4186 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
4187 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
4188 .len = NL80211_MAX_SUPP_RATES },
4189 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
4190 .len = NL80211_MAX_SUPP_HT_RATES },
4191 [NL80211_TXRATE_VHT] = {
4192 .type = NLA_EXACT_LEN_WARN,
4193 .len = sizeof(struct nl80211_txrate_vht),
4195 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
4198 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4199 struct cfg80211_bitrate_mask *mask)
4201 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4202 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4204 struct nlattr *tx_rates;
4205 struct ieee80211_supported_band *sband;
4208 memset(mask, 0, sizeof(*mask));
4209 /* Default to all rates enabled */
4210 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4211 sband = rdev->wiphy.bands[i];
4216 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4217 memcpy(mask->control[i].ht_mcs,
4218 sband->ht_cap.mcs.rx_mask,
4219 sizeof(mask->control[i].ht_mcs));
4221 if (!sband->vht_cap.vht_supported)
4224 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4225 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4228 /* if no rates are given set it back to the defaults */
4229 if (!info->attrs[NL80211_ATTR_TX_RATES])
4232 /* The nested attribute uses enum nl80211_band as the index. This maps
4233 * directly to the enum nl80211_band values used in cfg80211.
4235 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4236 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
4237 enum nl80211_band band = nla_type(tx_rates);
4240 if (band < 0 || band >= NUM_NL80211_BANDS)
4242 sband = rdev->wiphy.bands[band];
4245 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4247 nl80211_txattr_policy,
4251 if (tb[NL80211_TXRATE_LEGACY]) {
4252 mask->control[band].legacy = rateset_to_mask(
4254 nla_data(tb[NL80211_TXRATE_LEGACY]),
4255 nla_len(tb[NL80211_TXRATE_LEGACY]));
4256 if ((mask->control[band].legacy == 0) &&
4257 nla_len(tb[NL80211_TXRATE_LEGACY]))
4260 if (tb[NL80211_TXRATE_HT]) {
4261 if (!ht_rateset_to_mask(
4263 nla_data(tb[NL80211_TXRATE_HT]),
4264 nla_len(tb[NL80211_TXRATE_HT]),
4265 mask->control[band].ht_mcs))
4268 if (tb[NL80211_TXRATE_VHT]) {
4269 if (!vht_set_mcs_mask(
4271 nla_data(tb[NL80211_TXRATE_VHT]),
4272 mask->control[band].vht_mcs))
4275 if (tb[NL80211_TXRATE_GI]) {
4276 mask->control[band].gi =
4277 nla_get_u8(tb[NL80211_TXRATE_GI]);
4278 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4282 if (mask->control[band].legacy == 0) {
4283 /* don't allow empty legacy rates if HT or VHT
4284 * are not even supported.
4286 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4287 rdev->wiphy.bands[band]->vht_cap.vht_supported))
4290 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4291 if (mask->control[band].ht_mcs[i])
4294 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4295 if (mask->control[band].vht_mcs[i])
4298 /* legacy and mcs rates may not be both empty */
4307 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4308 enum nl80211_band band,
4309 struct cfg80211_bitrate_mask *beacon_rate)
4311 u32 count_ht, count_vht, i;
4312 u32 rate = beacon_rate->control[band].legacy;
4314 /* Allow only one rate */
4315 if (hweight32(rate) > 1)
4319 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4320 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4322 } else if (beacon_rate->control[band].ht_mcs[i]) {
4327 if (count_ht && rate)
4332 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4333 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4335 } else if (beacon_rate->control[band].vht_mcs[i]) {
4340 if (count_vht && rate)
4344 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4348 !wiphy_ext_feature_isset(&rdev->wiphy,
4349 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4352 !wiphy_ext_feature_isset(&rdev->wiphy,
4353 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4356 !wiphy_ext_feature_isset(&rdev->wiphy,
4357 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4363 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4364 struct nlattr *attrs[],
4365 struct cfg80211_beacon_data *bcn)
4367 bool haveinfo = false;
4370 memset(bcn, 0, sizeof(*bcn));
4372 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4373 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4374 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4380 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4381 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4382 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4389 if (attrs[NL80211_ATTR_IE]) {
4390 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4391 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4394 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4395 bcn->proberesp_ies =
4396 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4397 bcn->proberesp_ies_len =
4398 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4401 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4402 bcn->assocresp_ies =
4403 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4404 bcn->assocresp_ies_len =
4405 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4408 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4409 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4410 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
4413 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4414 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4416 err = nla_parse_nested_deprecated(tb,
4417 NL80211_FTM_RESP_ATTR_MAX,
4418 attrs[NL80211_ATTR_FTM_RESPONDER],
4423 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4424 wiphy_ext_feature_isset(&rdev->wiphy,
4425 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4426 bcn->ftm_responder = 1;
4430 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4431 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4432 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4435 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4436 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4437 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4440 bcn->ftm_responder = -1;
4446 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
4447 struct ieee80211_he_obss_pd *he_obss_pd)
4449 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
4452 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
4453 he_obss_pd_policy, NULL);
4457 if (!tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] ||
4458 !tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
4461 he_obss_pd->min_offset =
4462 nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
4463 he_obss_pd->max_offset =
4464 nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
4466 if (he_obss_pd->min_offset >= he_obss_pd->max_offset)
4469 he_obss_pd->enable = true;
4474 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
4482 for (i = 0; i < rates[1]; i++) {
4483 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
4484 params->ht_required = true;
4485 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
4486 params->vht_required = true;
4491 * Since the nl80211 API didn't include, from the beginning, attributes about
4492 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4493 * benefit of drivers that rebuild IEs in the firmware.
4495 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
4497 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
4498 size_t ies_len = bcn->tail_len;
4499 const u8 *ies = bcn->tail;
4503 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
4504 nl80211_check_ap_rate_selectors(params, rates);
4506 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
4507 nl80211_check_ap_rate_selectors(params, rates);
4509 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
4510 if (cap && cap[1] >= sizeof(*params->ht_cap))
4511 params->ht_cap = (void *)(cap + 2);
4512 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
4513 if (cap && cap[1] >= sizeof(*params->vht_cap))
4514 params->vht_cap = (void *)(cap + 2);
4515 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
4516 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
4517 params->he_cap = (void *)(cap + 3);
4520 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
4521 struct cfg80211_ap_settings *params)
4523 struct wireless_dev *wdev;
4526 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
4527 if (wdev->iftype != NL80211_IFTYPE_AP &&
4528 wdev->iftype != NL80211_IFTYPE_P2P_GO)
4531 if (!wdev->preset_chandef.chan)
4534 params->chandef = wdev->preset_chandef;
4542 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
4543 enum nl80211_auth_type auth_type,
4544 enum nl80211_commands cmd)
4546 if (auth_type > NL80211_AUTHTYPE_MAX)
4550 case NL80211_CMD_AUTHENTICATE:
4551 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4552 auth_type == NL80211_AUTHTYPE_SAE)
4554 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4555 NL80211_EXT_FEATURE_FILS_STA) &&
4556 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4557 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4558 auth_type == NL80211_AUTHTYPE_FILS_PK))
4561 case NL80211_CMD_CONNECT:
4562 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4563 !wiphy_ext_feature_isset(&rdev->wiphy,
4564 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
4565 auth_type == NL80211_AUTHTYPE_SAE)
4568 /* FILS with SK PFS or PK not supported yet */
4569 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4570 auth_type == NL80211_AUTHTYPE_FILS_PK)
4572 if (!wiphy_ext_feature_isset(
4574 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
4575 auth_type == NL80211_AUTHTYPE_FILS_SK)
4578 case NL80211_CMD_START_AP:
4579 /* SAE not supported yet */
4580 if (auth_type == NL80211_AUTHTYPE_SAE)
4582 /* FILS not supported yet */
4583 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4584 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4585 auth_type == NL80211_AUTHTYPE_FILS_PK)
4593 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
4595 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4596 struct net_device *dev = info->user_ptr[1];
4597 struct wireless_dev *wdev = dev->ieee80211_ptr;
4598 struct cfg80211_ap_settings params;
4601 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4602 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4605 if (!rdev->ops->start_ap)
4608 if (wdev->beacon_interval)
4611 memset(¶ms, 0, sizeof(params));
4613 /* these are required for START_AP */
4614 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
4615 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4616 !info->attrs[NL80211_ATTR_BEACON_HEAD])
4619 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
4623 params.beacon_interval =
4624 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4625 params.dtim_period =
4626 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
4628 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
4629 params.beacon_interval);
4634 * In theory, some of these attributes should be required here
4635 * but since they were not used when the command was originally
4636 * added, keep them optional for old user space programs to let
4637 * them continue to work with drivers that do not need the
4638 * additional information -- drivers must check!
4640 if (info->attrs[NL80211_ATTR_SSID]) {
4641 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4643 nla_len(info->attrs[NL80211_ATTR_SSID]);
4644 if (params.ssid_len == 0 ||
4645 params.ssid_len > IEEE80211_MAX_SSID_LEN)
4649 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
4650 params.hidden_ssid = nla_get_u32(
4651 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
4653 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4655 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4656 params.auth_type = nla_get_u32(
4657 info->attrs[NL80211_ATTR_AUTH_TYPE]);
4658 if (!nl80211_valid_auth_type(rdev, params.auth_type,
4659 NL80211_CMD_START_AP))
4662 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4664 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
4665 NL80211_MAX_NR_CIPHER_SUITES);
4669 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
4670 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
4672 params.inactivity_timeout = nla_get_u16(
4673 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
4676 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4677 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4679 params.p2p_ctwindow =
4680 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4681 if (params.p2p_ctwindow != 0 &&
4682 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4686 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4689 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4691 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4692 params.p2p_opp_ps = tmp;
4693 if (params.p2p_opp_ps != 0 &&
4694 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4698 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
4699 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
4702 } else if (wdev->preset_chandef.chan) {
4703 params.chandef = wdev->preset_chandef;
4704 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
4707 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
4711 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4712 err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate);
4716 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4717 ¶ms.beacon_rate);
4722 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4724 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4725 switch (params.smps_mode) {
4726 case NL80211_SMPS_OFF:
4728 case NL80211_SMPS_STATIC:
4729 if (!(rdev->wiphy.features &
4730 NL80211_FEATURE_STATIC_SMPS))
4733 case NL80211_SMPS_DYNAMIC:
4734 if (!(rdev->wiphy.features &
4735 NL80211_FEATURE_DYNAMIC_SMPS))
4742 params.smps_mode = NL80211_SMPS_OFF;
4745 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4746 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4749 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4750 params.acl = parse_acl_data(&rdev->wiphy, info);
4751 if (IS_ERR(params.acl))
4752 return PTR_ERR(params.acl);
4755 params.twt_responder =
4756 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
4758 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
4759 err = nl80211_parse_he_obss_pd(
4760 info->attrs[NL80211_ATTR_HE_OBSS_PD],
4761 ¶ms.he_obss_pd);
4766 nl80211_calculate_ap_params(¶ms);
4768 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
4769 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
4772 err = rdev_start_ap(rdev, dev, ¶ms);
4774 wdev->preset_chandef = params.chandef;
4775 wdev->beacon_interval = params.beacon_interval;
4776 wdev->chandef = params.chandef;
4777 wdev->ssid_len = params.ssid_len;
4778 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
4780 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4781 wdev->conn_owner_nlportid = info->snd_portid;
4790 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
4792 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4793 struct net_device *dev = info->user_ptr[1];
4794 struct wireless_dev *wdev = dev->ieee80211_ptr;
4795 struct cfg80211_beacon_data params;
4798 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4799 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4802 if (!rdev->ops->change_beacon)
4805 if (!wdev->beacon_interval)
4808 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
4813 err = rdev_change_beacon(rdev, dev, ¶ms);
4819 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
4821 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4822 struct net_device *dev = info->user_ptr[1];
4824 return cfg80211_stop_ap(rdev, dev, false);
4827 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4828 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4829 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4830 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
4831 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
4832 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
4833 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
4836 static int parse_station_flags(struct genl_info *info,
4837 enum nl80211_iftype iftype,
4838 struct station_parameters *params)
4840 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
4845 * Try parsing the new attribute first so userspace
4846 * can specify both for older kernels.
4848 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4850 struct nl80211_sta_flag_update *sta_flags;
4852 sta_flags = nla_data(nla);
4853 params->sta_flags_mask = sta_flags->mask;
4854 params->sta_flags_set = sta_flags->set;
4855 params->sta_flags_set &= params->sta_flags_mask;
4856 if ((params->sta_flags_mask |
4857 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4862 /* if present, parse the old attribute */
4864 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
4868 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
4872 * Only allow certain flags for interface types so that
4873 * other attributes are silently ignored. Remember that
4874 * this is backward compatibility code with old userspace
4875 * and shouldn't be hit in other cases anyway.
4878 case NL80211_IFTYPE_AP:
4879 case NL80211_IFTYPE_AP_VLAN:
4880 case NL80211_IFTYPE_P2P_GO:
4881 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4882 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4883 BIT(NL80211_STA_FLAG_WME) |
4884 BIT(NL80211_STA_FLAG_MFP);
4886 case NL80211_IFTYPE_P2P_CLIENT:
4887 case NL80211_IFTYPE_STATION:
4888 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4889 BIT(NL80211_STA_FLAG_TDLS_PEER);
4891 case NL80211_IFTYPE_MESH_POINT:
4892 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4893 BIT(NL80211_STA_FLAG_MFP) |
4894 BIT(NL80211_STA_FLAG_AUTHORIZED);
4900 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4902 params->sta_flags_set |= (1<<flag);
4904 /* no longer support new API additions in old API */
4905 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4913 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
4915 struct nlattr *rate;
4918 enum nl80211_rate_info rate_flg;
4920 rate = nla_nest_start_noflag(msg, attr);
4924 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4925 bitrate = cfg80211_calculate_bitrate(info);
4926 /* report 16-bit bitrate only if we can */
4927 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
4929 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4931 if (bitrate_compat > 0 &&
4932 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4936 case RATE_INFO_BW_5:
4937 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4939 case RATE_INFO_BW_10:
4940 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4945 case RATE_INFO_BW_20:
4948 case RATE_INFO_BW_40:
4949 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4951 case RATE_INFO_BW_80:
4952 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
4954 case RATE_INFO_BW_160:
4955 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
4957 case RATE_INFO_BW_HE_RU:
4959 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
4962 if (rate_flg && nla_put_flag(msg, rate_flg))
4965 if (info->flags & RATE_INFO_FLAGS_MCS) {
4966 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
4968 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4969 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4971 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
4972 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
4974 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
4976 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4977 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4979 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
4980 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
4982 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
4984 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
4986 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
4988 if (info->bw == RATE_INFO_BW_HE_RU &&
4989 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
4994 nla_nest_end(msg, rate);
4998 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5007 attr = nla_nest_start_noflag(msg, id);
5011 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5012 if (!(mask & BIT(i)))
5015 if (nla_put_u8(msg, i, signal[i]))
5019 nla_nest_end(msg, attr);
5024 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5026 struct cfg80211_registered_device *rdev,
5027 struct net_device *dev,
5028 const u8 *mac_addr, struct station_info *sinfo)
5031 struct nlattr *sinfoattr, *bss_param;
5033 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
5035 cfg80211_sinfo_release_content(sinfo);
5039 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5040 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5041 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5042 goto nla_put_failure;
5044 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
5046 goto nla_put_failure;
5048 #define PUT_SINFO(attr, memb, type) do { \
5049 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
5050 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5051 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5053 goto nla_put_failure; \
5055 #define PUT_SINFO_U64(attr, memb) do { \
5056 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5057 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5058 sinfo->memb, NL80211_STA_INFO_PAD)) \
5059 goto nla_put_failure; \
5062 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5063 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
5064 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
5066 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5067 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
5068 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
5069 (u32)sinfo->rx_bytes))
5070 goto nla_put_failure;
5072 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5073 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
5074 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
5075 (u32)sinfo->tx_bytes))
5076 goto nla_put_failure;
5078 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5079 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
5080 PUT_SINFO(LLID, llid, u16);
5081 PUT_SINFO(PLID, plid, u16);
5082 PUT_SINFO(PLINK_STATE, plink_state, u8);
5083 PUT_SINFO_U64(RX_DURATION, rx_duration);
5084 PUT_SINFO_U64(TX_DURATION, tx_duration);
5086 if (wiphy_ext_feature_isset(&rdev->wiphy,
5087 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5088 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
5090 switch (rdev->wiphy.signal_type) {
5091 case CFG80211_SIGNAL_TYPE_MBM:
5092 PUT_SINFO(SIGNAL, signal, u8);
5093 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
5098 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
5099 if (!nl80211_put_signal(msg, sinfo->chains,
5100 sinfo->chain_signal,
5101 NL80211_STA_INFO_CHAIN_SIGNAL))
5102 goto nla_put_failure;
5104 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
5105 if (!nl80211_put_signal(msg, sinfo->chains,
5106 sinfo->chain_signal_avg,
5107 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5108 goto nla_put_failure;
5110 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
5111 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5112 NL80211_STA_INFO_TX_BITRATE))
5113 goto nla_put_failure;
5115 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
5116 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5117 NL80211_STA_INFO_RX_BITRATE))
5118 goto nla_put_failure;
5121 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5122 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5123 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5124 PUT_SINFO(TX_FAILED, tx_failed, u32);
5125 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5126 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5127 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5128 PUT_SINFO(LOCAL_PM, local_pm, u32);
5129 PUT_SINFO(PEER_PM, peer_pm, u32);
5130 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5131 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5133 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5134 bss_param = nla_nest_start_noflag(msg,
5135 NL80211_STA_INFO_BSS_PARAM);
5137 goto nla_put_failure;
5139 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5140 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5141 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5142 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5143 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5144 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5145 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5146 sinfo->bss_param.dtim_period) ||
5147 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5148 sinfo->bss_param.beacon_interval))
5149 goto nla_put_failure;
5151 nla_nest_end(msg, bss_param);
5153 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5154 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5155 sizeof(struct nl80211_sta_flag_update),
5157 goto nla_put_failure;
5159 PUT_SINFO_U64(T_OFFSET, t_offset);
5160 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5161 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5162 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5163 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5164 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5165 if (wiphy_ext_feature_isset(&rdev->wiphy,
5166 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5167 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5168 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5172 #undef PUT_SINFO_U64
5174 if (sinfo->pertid) {
5175 struct nlattr *tidsattr;
5178 tidsattr = nla_nest_start_noflag(msg,
5179 NL80211_STA_INFO_TID_STATS);
5181 goto nla_put_failure;
5183 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5184 struct cfg80211_tid_stats *tidstats;
5185 struct nlattr *tidattr;
5187 tidstats = &sinfo->pertid[tid];
5189 if (!tidstats->filled)
5192 tidattr = nla_nest_start_noflag(msg, tid + 1);
5194 goto nla_put_failure;
5196 #define PUT_TIDVAL_U64(attr, memb) do { \
5197 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5198 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5199 tidstats->memb, NL80211_TID_STATS_PAD)) \
5200 goto nla_put_failure; \
5203 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5204 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5205 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5206 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5208 #undef PUT_TIDVAL_U64
5209 if ((tidstats->filled &
5210 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5211 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5212 NL80211_TID_STATS_TXQ_STATS))
5213 goto nla_put_failure;
5215 nla_nest_end(msg, tidattr);
5218 nla_nest_end(msg, tidsattr);
5221 nla_nest_end(msg, sinfoattr);
5223 if (sinfo->assoc_req_ies_len &&
5224 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5225 sinfo->assoc_req_ies))
5226 goto nla_put_failure;
5228 cfg80211_sinfo_release_content(sinfo);
5229 genlmsg_end(msg, hdr);
5233 cfg80211_sinfo_release_content(sinfo);
5234 genlmsg_cancel(msg, hdr);
5238 static int nl80211_dump_station(struct sk_buff *skb,
5239 struct netlink_callback *cb)
5241 struct station_info sinfo;
5242 struct cfg80211_registered_device *rdev;
5243 struct wireless_dev *wdev;
5244 u8 mac_addr[ETH_ALEN];
5245 int sta_idx = cb->args[2];
5249 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5253 if (!wdev->netdev) {
5258 if (!rdev->ops->dump_station) {
5264 memset(&sinfo, 0, sizeof(sinfo));
5265 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
5272 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
5273 NETLINK_CB(cb->skb).portid,
5274 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5275 rdev, wdev->netdev, mac_addr,
5283 cb->args[2] = sta_idx;
5291 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5293 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5294 struct net_device *dev = info->user_ptr[1];
5295 struct station_info sinfo;
5296 struct sk_buff *msg;
5297 u8 *mac_addr = NULL;
5300 memset(&sinfo, 0, sizeof(sinfo));
5302 if (!info->attrs[NL80211_ATTR_MAC])
5305 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5307 if (!rdev->ops->get_station)
5310 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
5314 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5316 cfg80211_sinfo_release_content(&sinfo);
5320 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5321 info->snd_portid, info->snd_seq, 0,
5322 rdev, dev, mac_addr, &sinfo) < 0) {
5327 return genlmsg_reply(msg, info);
5330 int cfg80211_check_station_change(struct wiphy *wiphy,
5331 struct station_parameters *params,
5332 enum cfg80211_station_type statype)
5334 if (params->listen_interval != -1 &&
5335 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5338 if (params->support_p2p_ps != -1 &&
5339 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5343 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5344 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5347 /* When you run into this, adjust the code below for the new flag */
5348 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5351 case CFG80211_STA_MESH_PEER_KERNEL:
5352 case CFG80211_STA_MESH_PEER_USER:
5354 * No ignoring the TDLS flag here -- the userspace mesh
5355 * code doesn't have the bug of including TDLS in the
5358 if (params->sta_flags_mask &
5359 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5360 BIT(NL80211_STA_FLAG_MFP) |
5361 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5364 case CFG80211_STA_TDLS_PEER_SETUP:
5365 case CFG80211_STA_TDLS_PEER_ACTIVE:
5366 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5368 /* ignore since it can't change */
5369 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5372 /* disallow mesh-specific things */
5373 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5375 if (params->local_pm)
5377 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5381 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5382 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5383 /* TDLS can't be set, ... */
5384 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5387 * ... but don't bother the driver with it. This works around
5388 * a hostapd/wpa_supplicant issue -- it always includes the
5389 * TLDS_PEER flag in the mask even for AP mode.
5391 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5394 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5395 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5396 /* reject other things that can't change */
5397 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5399 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5401 if (params->supported_rates)
5403 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5408 if (statype != CFG80211_STA_AP_CLIENT &&
5409 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5415 case CFG80211_STA_AP_MLME_CLIENT:
5416 /* Use this only for authorizing/unauthorizing a station */
5417 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5420 case CFG80211_STA_AP_CLIENT:
5421 case CFG80211_STA_AP_CLIENT_UNASSOC:
5422 /* accept only the listed bits */
5423 if (params->sta_flags_mask &
5424 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5425 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5426 BIT(NL80211_STA_FLAG_ASSOCIATED) |
5427 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5428 BIT(NL80211_STA_FLAG_WME) |
5429 BIT(NL80211_STA_FLAG_MFP)))
5432 /* but authenticated/associated only if driver handles it */
5433 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5434 params->sta_flags_mask &
5435 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5436 BIT(NL80211_STA_FLAG_ASSOCIATED)))
5439 case CFG80211_STA_IBSS:
5440 case CFG80211_STA_AP_STA:
5441 /* reject any changes other than AUTHORIZED */
5442 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
5445 case CFG80211_STA_TDLS_PEER_SETUP:
5446 /* reject any changes other than AUTHORIZED or WME */
5447 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5448 BIT(NL80211_STA_FLAG_WME)))
5450 /* force (at least) rates when authorizing */
5451 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
5452 !params->supported_rates)
5455 case CFG80211_STA_TDLS_PEER_ACTIVE:
5456 /* reject any changes */
5458 case CFG80211_STA_MESH_PEER_KERNEL:
5459 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5462 case CFG80211_STA_MESH_PEER_USER:
5463 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
5464 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
5470 * Older kernel versions ignored this attribute entirely, so don't
5471 * reject attempts to update it but mark it as unused instead so the
5472 * driver won't look at the data.
5474 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
5475 statype != CFG80211_STA_TDLS_PEER_SETUP)
5476 params->opmode_notif_used = false;
5480 EXPORT_SYMBOL(cfg80211_check_station_change);
5483 * Get vlan interface making sure it is running and on the right wiphy.
5485 static struct net_device *get_vlan(struct genl_info *info,
5486 struct cfg80211_registered_device *rdev)
5488 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
5489 struct net_device *v;
5495 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
5497 return ERR_PTR(-ENODEV);
5499 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
5504 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5505 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5506 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5511 if (!netif_running(v)) {
5519 return ERR_PTR(ret);
5522 static const struct nla_policy
5523 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
5524 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
5525 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
5528 static int nl80211_parse_sta_wme(struct genl_info *info,
5529 struct station_parameters *params)
5531 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
5535 /* parse WME attributes if present */
5536 if (!info->attrs[NL80211_ATTR_STA_WME])
5539 nla = info->attrs[NL80211_ATTR_STA_WME];
5540 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
5541 nl80211_sta_wme_policy,
5546 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
5547 params->uapsd_queues = nla_get_u8(
5548 tb[NL80211_STA_WME_UAPSD_QUEUES]);
5549 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
5552 if (tb[NL80211_STA_WME_MAX_SP])
5553 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
5555 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
5558 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
5563 static int nl80211_parse_sta_channel_info(struct genl_info *info,
5564 struct station_parameters *params)
5566 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
5567 params->supported_channels =
5568 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5569 params->supported_channels_len =
5570 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5572 * Need to include at least one (first channel, number of
5573 * channels) tuple for each subband, and must have proper
5574 * tuples for the rest of the data as well.
5576 if (params->supported_channels_len < 2)
5578 if (params->supported_channels_len % 2)
5582 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
5583 params->supported_oper_classes =
5584 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5585 params->supported_oper_classes_len =
5586 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5588 * The value of the Length field of the Supported Operating
5589 * Classes element is between 2 and 253.
5591 if (params->supported_oper_classes_len < 2 ||
5592 params->supported_oper_classes_len > 253)
5598 static int nl80211_set_station_tdls(struct genl_info *info,
5599 struct station_parameters *params)
5602 /* Dummy STA entry gets updated once the peer capabilities are known */
5603 if (info->attrs[NL80211_ATTR_PEER_AID])
5604 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5605 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5607 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5608 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5610 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5611 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5613 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5614 params->he_capa_len =
5615 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5617 if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5621 err = nl80211_parse_sta_channel_info(info, params);
5625 return nl80211_parse_sta_wme(info, params);
5628 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
5629 struct station_parameters *params)
5631 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5634 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
5635 if (!rdev->ops->set_tx_power ||
5636 !wiphy_ext_feature_isset(&rdev->wiphy,
5637 NL80211_EXT_FEATURE_STA_TX_PWR))
5640 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
5641 params->txpwr.type = nla_get_u8(info->attrs[idx]);
5643 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
5644 idx = NL80211_ATTR_STA_TX_POWER;
5646 if (info->attrs[idx])
5647 params->txpwr.power =
5648 nla_get_s16(info->attrs[idx]);
5652 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
5658 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
5660 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5661 struct net_device *dev = info->user_ptr[1];
5662 struct station_parameters params;
5666 memset(¶ms, 0, sizeof(params));
5668 if (!rdev->ops->change_station)
5672 * AID and listen_interval properties can be set only for unassociated
5673 * station. Include these parameters here and will check them in
5674 * cfg80211_check_station_change().
5676 if (info->attrs[NL80211_ATTR_STA_AID])
5677 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5679 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5680 params.listen_interval =
5681 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5683 params.listen_interval = -1;
5685 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
5686 params.support_p2p_ps =
5687 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5689 params.support_p2p_ps = -1;
5691 if (!info->attrs[NL80211_ATTR_MAC])
5694 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5696 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
5697 params.supported_rates =
5698 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5699 params.supported_rates_len =
5700 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5703 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5705 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5706 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5709 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5711 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5712 params.ext_capab_len =
5713 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5716 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5719 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5720 params.plink_action =
5721 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5723 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
5724 params.plink_state =
5725 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
5726 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
5727 params.peer_aid = nla_get_u16(
5728 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
5729 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
5732 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
5733 params.local_pm = nla_get_u32(
5734 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
5736 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5737 params.opmode_notif_used = true;
5738 params.opmode_notif =
5739 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5742 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5743 params.airtime_weight =
5744 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5746 if (params.airtime_weight &&
5747 !wiphy_ext_feature_isset(&rdev->wiphy,
5748 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5751 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5755 /* Include parameters for TDLS peer (will check later) */
5756 err = nl80211_set_station_tdls(info, ¶ms);
5760 params.vlan = get_vlan(info, rdev);
5761 if (IS_ERR(params.vlan))
5762 return PTR_ERR(params.vlan);
5764 switch (dev->ieee80211_ptr->iftype) {
5765 case NL80211_IFTYPE_AP:
5766 case NL80211_IFTYPE_AP_VLAN:
5767 case NL80211_IFTYPE_P2P_GO:
5768 case NL80211_IFTYPE_P2P_CLIENT:
5769 case NL80211_IFTYPE_STATION:
5770 case NL80211_IFTYPE_ADHOC:
5771 case NL80211_IFTYPE_MESH_POINT:
5778 /* driver will call cfg80211_check_station_change() */
5779 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
5783 dev_put(params.vlan);
5788 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
5790 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5792 struct net_device *dev = info->user_ptr[1];
5793 struct station_parameters params;
5794 u8 *mac_addr = NULL;
5795 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5796 BIT(NL80211_STA_FLAG_ASSOCIATED);
5798 memset(¶ms, 0, sizeof(params));
5800 if (!rdev->ops->add_station)
5803 if (!info->attrs[NL80211_ATTR_MAC])
5806 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5809 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
5812 if (!info->attrs[NL80211_ATTR_STA_AID] &&
5813 !info->attrs[NL80211_ATTR_PEER_AID])
5816 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5817 params.supported_rates =
5818 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5819 params.supported_rates_len =
5820 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5821 params.listen_interval =
5822 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5824 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
5825 params.support_p2p_ps =
5826 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5829 * if not specified, assume it's supported for P2P GO interface,
5830 * and is NOT supported for AP interface
5832 params.support_p2p_ps =
5833 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
5836 if (info->attrs[NL80211_ATTR_PEER_AID])
5837 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5839 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5841 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5843 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5844 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5847 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5849 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5850 params.ext_capab_len =
5851 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5854 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5856 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5858 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5860 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5862 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5864 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5865 params.he_capa_len =
5866 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5868 /* max len is validated in nla policy */
5869 if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5873 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5874 params.opmode_notif_used = true;
5875 params.opmode_notif =
5876 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5879 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5880 params.plink_action =
5881 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5883 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5884 params.airtime_weight =
5885 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5887 if (params.airtime_weight &&
5888 !wiphy_ext_feature_isset(&rdev->wiphy,
5889 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5892 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5896 err = nl80211_parse_sta_channel_info(info, ¶ms);
5900 err = nl80211_parse_sta_wme(info, ¶ms);
5904 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5907 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5908 * as userspace might just pass through the capabilities from the IEs
5909 * directly, rather than enforcing this restriction and returning an
5910 * error in this case.
5912 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5913 params.ht_capa = NULL;
5914 params.vht_capa = NULL;
5916 /* HE requires WME */
5917 if (params.he_capa_len)
5921 /* When you run into this, adjust the code below for the new flag */
5922 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5924 switch (dev->ieee80211_ptr->iftype) {
5925 case NL80211_IFTYPE_AP:
5926 case NL80211_IFTYPE_AP_VLAN:
5927 case NL80211_IFTYPE_P2P_GO:
5928 /* ignore WME attributes if iface/sta is not capable */
5929 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5930 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5931 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5933 /* TDLS peers cannot be added */
5934 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5935 info->attrs[NL80211_ATTR_PEER_AID])
5937 /* but don't bother the driver with it */
5938 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5940 /* allow authenticated/associated only if driver handles it */
5941 if (!(rdev->wiphy.features &
5942 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5943 params.sta_flags_mask & auth_assoc)
5946 /* Older userspace, or userspace wanting to be compatible with
5947 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5948 * and assoc flags in the mask, but assumes the station will be
5949 * added as associated anyway since this was the required driver
5950 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5952 * In order to not bother drivers with this quirk in the API
5953 * set the flags in both the mask and set for new stations in
5956 if (!(params.sta_flags_mask & auth_assoc)) {
5957 params.sta_flags_mask |= auth_assoc;
5958 params.sta_flags_set |= auth_assoc;
5961 /* must be last in here for error handling */
5962 params.vlan = get_vlan(info, rdev);
5963 if (IS_ERR(params.vlan))
5964 return PTR_ERR(params.vlan);
5966 case NL80211_IFTYPE_MESH_POINT:
5967 /* ignore uAPSD data */
5968 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5970 /* associated is disallowed */
5971 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
5973 /* TDLS peers cannot be added */
5974 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5975 info->attrs[NL80211_ATTR_PEER_AID])
5978 case NL80211_IFTYPE_STATION:
5979 case NL80211_IFTYPE_P2P_CLIENT:
5980 /* ignore uAPSD data */
5981 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5983 /* these are disallowed */
5984 if (params.sta_flags_mask &
5985 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
5986 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
5988 /* Only TDLS peers can be added */
5989 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5991 /* Can only add if TDLS ... */
5992 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
5994 /* ... with external setup is supported */
5995 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
5998 * Older wpa_supplicant versions always mark the TDLS peer
5999 * as authorized, but it shouldn't yet be.
6001 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
6007 /* be aware of params.vlan when changing code here */
6009 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
6012 dev_put(params.vlan);
6016 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6018 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6019 struct net_device *dev = info->user_ptr[1];
6020 struct station_del_parameters params;
6022 memset(¶ms, 0, sizeof(params));
6024 if (info->attrs[NL80211_ATTR_MAC])
6025 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
6027 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6028 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6029 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
6030 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6033 if (!rdev->ops->del_station)
6036 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6038 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6039 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6040 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6043 /* Default to Deauthentication frame */
6044 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6047 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6048 params.reason_code =
6049 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6050 if (params.reason_code == 0)
6051 return -EINVAL; /* 0 is reserved */
6053 /* Default to reason code 2 */
6054 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6057 return rdev_del_station(rdev, dev, ¶ms);
6060 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
6061 int flags, struct net_device *dev,
6062 u8 *dst, u8 *next_hop,
6063 struct mpath_info *pinfo)
6066 struct nlattr *pinfoattr;
6068 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
6072 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6073 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6074 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6075 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6076 goto nla_put_failure;
6078 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
6080 goto nla_put_failure;
6081 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6082 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6084 goto nla_put_failure;
6085 if (((pinfo->filled & MPATH_INFO_SN) &&
6086 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6087 ((pinfo->filled & MPATH_INFO_METRIC) &&
6088 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6090 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6091 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6093 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6094 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6096 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6097 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6098 pinfo->discovery_timeout)) ||
6099 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6100 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
6101 pinfo->discovery_retries)) ||
6102 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6103 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
6104 pinfo->hop_count)) ||
6105 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6106 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6107 pinfo->path_change_count)))
6108 goto nla_put_failure;
6110 nla_nest_end(msg, pinfoattr);
6112 genlmsg_end(msg, hdr);
6116 genlmsg_cancel(msg, hdr);
6120 static int nl80211_dump_mpath(struct sk_buff *skb,
6121 struct netlink_callback *cb)
6123 struct mpath_info pinfo;
6124 struct cfg80211_registered_device *rdev;
6125 struct wireless_dev *wdev;
6127 u8 next_hop[ETH_ALEN];
6128 int path_idx = cb->args[2];
6132 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6136 if (!rdev->ops->dump_mpath) {
6141 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6147 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6154 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6155 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6156 wdev->netdev, dst, next_hop,
6164 cb->args[2] = path_idx;
6171 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6173 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6175 struct net_device *dev = info->user_ptr[1];
6176 struct mpath_info pinfo;
6177 struct sk_buff *msg;
6179 u8 next_hop[ETH_ALEN];
6181 memset(&pinfo, 0, sizeof(pinfo));
6183 if (!info->attrs[NL80211_ATTR_MAC])
6186 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6188 if (!rdev->ops->get_mpath)
6191 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6194 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6198 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6202 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6203 dev, dst, next_hop, &pinfo) < 0) {
6208 return genlmsg_reply(msg, info);
6211 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6213 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6214 struct net_device *dev = info->user_ptr[1];
6216 u8 *next_hop = NULL;
6218 if (!info->attrs[NL80211_ATTR_MAC])
6221 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6224 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6225 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6227 if (!rdev->ops->change_mpath)
6230 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6233 return rdev_change_mpath(rdev, dev, dst, next_hop);
6236 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6238 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6239 struct net_device *dev = info->user_ptr[1];
6241 u8 *next_hop = NULL;
6243 if (!info->attrs[NL80211_ATTR_MAC])
6246 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6249 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6250 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6252 if (!rdev->ops->add_mpath)
6255 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6258 return rdev_add_mpath(rdev, dev, dst, next_hop);
6261 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6263 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6264 struct net_device *dev = info->user_ptr[1];
6267 if (info->attrs[NL80211_ATTR_MAC])
6268 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6270 if (!rdev->ops->del_mpath)
6273 return rdev_del_mpath(rdev, dev, dst);
6276 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6278 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6280 struct net_device *dev = info->user_ptr[1];
6281 struct mpath_info pinfo;
6282 struct sk_buff *msg;
6286 memset(&pinfo, 0, sizeof(pinfo));
6288 if (!info->attrs[NL80211_ATTR_MAC])
6291 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6293 if (!rdev->ops->get_mpp)
6296 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6299 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6303 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6307 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6308 dev, dst, mpp, &pinfo) < 0) {
6313 return genlmsg_reply(msg, info);
6316 static int nl80211_dump_mpp(struct sk_buff *skb,
6317 struct netlink_callback *cb)
6319 struct mpath_info pinfo;
6320 struct cfg80211_registered_device *rdev;
6321 struct wireless_dev *wdev;
6324 int path_idx = cb->args[2];
6328 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6332 if (!rdev->ops->dump_mpp) {
6337 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6343 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6350 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6351 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6352 wdev->netdev, dst, mpp,
6360 cb->args[2] = path_idx;
6367 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6369 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6370 struct net_device *dev = info->user_ptr[1];
6371 struct wireless_dev *wdev = dev->ieee80211_ptr;
6372 struct bss_parameters params;
6375 memset(¶ms, 0, sizeof(params));
6376 /* default to not changing parameters */
6377 params.use_cts_prot = -1;
6378 params.use_short_preamble = -1;
6379 params.use_short_slot_time = -1;
6380 params.ap_isolate = -1;
6381 params.ht_opmode = -1;
6382 params.p2p_ctwindow = -1;
6383 params.p2p_opp_ps = -1;
6385 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6386 params.use_cts_prot =
6387 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6388 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6389 params.use_short_preamble =
6390 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6391 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6392 params.use_short_slot_time =
6393 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
6394 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6395 params.basic_rates =
6396 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6397 params.basic_rates_len =
6398 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6400 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6401 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
6402 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6404 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
6406 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6407 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6409 params.p2p_ctwindow =
6410 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
6411 if (params.p2p_ctwindow != 0 &&
6412 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
6416 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6419 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6421 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
6422 params.p2p_opp_ps = tmp;
6423 if (params.p2p_opp_ps &&
6424 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
6428 if (!rdev->ops->change_bss)
6431 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6432 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6436 err = rdev_change_bss(rdev, dev, ¶ms);
6442 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
6446 enum nl80211_user_reg_hint_type user_reg_hint_type;
6450 * You should only get this when cfg80211 hasn't yet initialized
6451 * completely when built-in to the kernel right between the time
6452 * window between nl80211_init() and regulatory_init(), if that is
6455 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
6456 return -EINPROGRESS;
6458 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
6459 user_reg_hint_type =
6460 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
6462 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
6464 switch (user_reg_hint_type) {
6465 case NL80211_USER_REG_HINT_USER:
6466 case NL80211_USER_REG_HINT_CELL_BASE:
6467 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6470 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6471 return regulatory_hint_user(data, user_reg_hint_type);
6472 case NL80211_USER_REG_HINT_INDOOR:
6473 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
6474 owner_nlportid = info->snd_portid;
6475 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
6481 return regulatory_hint_indoor(is_indoor, owner_nlportid);
6487 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
6489 return reg_reload_regdb();
6492 static int nl80211_get_mesh_config(struct sk_buff *skb,
6493 struct genl_info *info)
6495 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6496 struct net_device *dev = info->user_ptr[1];
6497 struct wireless_dev *wdev = dev->ieee80211_ptr;
6498 struct mesh_config cur_params;
6501 struct nlattr *pinfoattr;
6502 struct sk_buff *msg;
6504 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6507 if (!rdev->ops->get_mesh_config)
6511 /* If not connected, get default parameters */
6512 if (!wdev->mesh_id_len)
6513 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
6515 err = rdev_get_mesh_config(rdev, dev, &cur_params);
6521 /* Draw up a netlink message to send back */
6522 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6525 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6526 NL80211_CMD_GET_MESH_CONFIG);
6529 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
6531 goto nla_put_failure;
6532 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6533 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
6534 cur_params.dot11MeshRetryTimeout) ||
6535 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
6536 cur_params.dot11MeshConfirmTimeout) ||
6537 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
6538 cur_params.dot11MeshHoldingTimeout) ||
6539 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
6540 cur_params.dot11MeshMaxPeerLinks) ||
6541 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
6542 cur_params.dot11MeshMaxRetries) ||
6543 nla_put_u8(msg, NL80211_MESHCONF_TTL,
6544 cur_params.dot11MeshTTL) ||
6545 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
6546 cur_params.element_ttl) ||
6547 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6548 cur_params.auto_open_plinks) ||
6549 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6550 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
6551 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6552 cur_params.dot11MeshHWMPmaxPREQretries) ||
6553 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
6554 cur_params.path_refresh_time) ||
6555 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6556 cur_params.min_discovery_timeout) ||
6557 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6558 cur_params.dot11MeshHWMPactivePathTimeout) ||
6559 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6560 cur_params.dot11MeshHWMPpreqMinInterval) ||
6561 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6562 cur_params.dot11MeshHWMPperrMinInterval) ||
6563 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6564 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
6565 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
6566 cur_params.dot11MeshHWMPRootMode) ||
6567 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6568 cur_params.dot11MeshHWMPRannInterval) ||
6569 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6570 cur_params.dot11MeshGateAnnouncementProtocol) ||
6571 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
6572 cur_params.dot11MeshForwarding) ||
6573 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
6574 cur_params.rssi_threshold) ||
6575 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
6576 cur_params.ht_opmode) ||
6577 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6578 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
6579 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6580 cur_params.dot11MeshHWMProotInterval) ||
6581 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6582 cur_params.dot11MeshHWMPconfirmationInterval) ||
6583 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
6584 cur_params.power_mode) ||
6585 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
6586 cur_params.dot11MeshAwakeWindowDuration) ||
6587 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
6588 cur_params.plink_timeout) ||
6589 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
6590 cur_params.dot11MeshConnectedToMeshGate))
6591 goto nla_put_failure;
6592 nla_nest_end(msg, pinfoattr);
6593 genlmsg_end(msg, hdr);
6594 return genlmsg_reply(msg, info);
6602 static const struct nla_policy
6603 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
6604 [NL80211_MESHCONF_RETRY_TIMEOUT] =
6605 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6606 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
6607 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6608 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
6609 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6610 [NL80211_MESHCONF_MAX_PEER_LINKS] =
6611 NLA_POLICY_RANGE(NLA_U16, 0, 255),
6612 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
6613 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6614 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6615 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
6616 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
6617 NLA_POLICY_RANGE(NLA_U32, 1, 255),
6618 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
6619 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
6620 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
6621 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
6622 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
6623 NLA_POLICY_MIN(NLA_U16, 1),
6624 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
6625 NLA_POLICY_MIN(NLA_U16, 1),
6626 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
6627 NLA_POLICY_MIN(NLA_U16, 1),
6628 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
6629 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
6630 NLA_POLICY_MIN(NLA_U16, 1),
6631 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
6632 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
6633 [NL80211_MESHCONF_RSSI_THRESHOLD] =
6634 NLA_POLICY_RANGE(NLA_S32, -255, 0),
6635 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
6636 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
6637 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
6638 NLA_POLICY_MIN(NLA_U16, 1),
6639 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
6640 NLA_POLICY_MIN(NLA_U16, 1),
6641 [NL80211_MESHCONF_POWER_MODE] =
6642 NLA_POLICY_RANGE(NLA_U32,
6643 NL80211_MESH_POWER_ACTIVE,
6644 NL80211_MESH_POWER_MAX),
6645 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
6646 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
6647 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
6650 static const struct nla_policy
6651 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
6652 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
6653 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
6654 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
6655 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6656 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
6657 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
6658 [NL80211_MESH_SETUP_IE] =
6659 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
6660 IEEE80211_MAX_DATA_LEN),
6661 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
6664 static int nl80211_parse_mesh_config(struct genl_info *info,
6665 struct mesh_config *cfg,
6668 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
6672 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6675 cfg->param = fn(tb[attr]); \
6676 mask |= BIT((attr) - 1); \
6680 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
6682 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
6685 /* This makes sure that there aren't more than 32 mesh config
6686 * parameters (otherwise our bitfield scheme would not work.) */
6687 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
6689 /* Fill in the params struct */
6690 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
6691 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
6692 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
6693 NL80211_MESHCONF_CONFIRM_TIMEOUT,
6695 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
6696 NL80211_MESHCONF_HOLDING_TIMEOUT,
6698 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
6699 NL80211_MESHCONF_MAX_PEER_LINKS,
6701 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
6702 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
6703 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
6704 NL80211_MESHCONF_TTL, nla_get_u8);
6705 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
6706 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
6707 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
6708 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6710 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
6712 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6714 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
6715 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6717 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
6718 NL80211_MESHCONF_PATH_REFRESH_TIME,
6720 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
6721 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
6723 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
6724 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6726 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
6728 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6730 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
6731 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
6732 cfg->dot11MeshHWMPactivePathTimeout > 65535))
6734 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
6735 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6737 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
6738 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6740 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6741 dot11MeshHWMPnetDiameterTraversalTime, mask,
6742 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6744 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
6745 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
6746 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
6747 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6749 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
6750 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6752 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
6753 NL80211_MESHCONF_FORWARDING, nla_get_u8);
6754 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
6755 NL80211_MESHCONF_RSSI_THRESHOLD,
6757 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
6758 NL80211_MESHCONF_CONNECTED_TO_GATE,
6761 * Check HT operation mode based on
6762 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
6764 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
6765 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
6767 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
6768 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
6769 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
6772 /* NON_HT_STA bit is reserved, but some programs set it */
6773 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
6775 cfg->ht_opmode = ht_opmode;
6776 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
6778 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6779 dot11MeshHWMPactivePathToRootTimeout, mask,
6780 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6782 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
6783 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
6784 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
6786 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
6787 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6789 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
6791 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6793 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
6794 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
6795 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
6796 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
6797 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
6798 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
6804 #undef FILL_IN_MESH_PARAM_IF_SET
6807 static int nl80211_parse_mesh_setup(struct genl_info *info,
6808 struct mesh_setup *setup)
6810 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6811 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
6813 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
6815 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
6818 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
6819 setup->sync_method =
6820 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
6821 IEEE80211_SYNC_METHOD_VENDOR :
6822 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
6824 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
6825 setup->path_sel_proto =
6826 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
6827 IEEE80211_PATH_PROTOCOL_VENDOR :
6828 IEEE80211_PATH_PROTOCOL_HWMP;
6830 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
6831 setup->path_metric =
6832 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
6833 IEEE80211_PATH_METRIC_VENDOR :
6834 IEEE80211_PATH_METRIC_AIRTIME;
6836 if (tb[NL80211_MESH_SETUP_IE]) {
6837 struct nlattr *ieattr =
6838 tb[NL80211_MESH_SETUP_IE];
6839 setup->ie = nla_data(ieattr);
6840 setup->ie_len = nla_len(ieattr);
6842 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
6843 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
6845 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
6846 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
6847 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
6848 if (setup->is_secure)
6849 setup->user_mpm = true;
6851 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6852 if (!setup->user_mpm)
6855 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6861 static int nl80211_update_mesh_config(struct sk_buff *skb,
6862 struct genl_info *info)
6864 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6865 struct net_device *dev = info->user_ptr[1];
6866 struct wireless_dev *wdev = dev->ieee80211_ptr;
6867 struct mesh_config cfg;
6871 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6874 if (!rdev->ops->update_mesh_config)
6877 err = nl80211_parse_mesh_config(info, &cfg, &mask);
6882 if (!wdev->mesh_id_len)
6886 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
6893 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6894 struct sk_buff *msg)
6896 struct nlattr *nl_reg_rules;
6899 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6900 (regdom->dfs_region &&
6901 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
6902 goto nla_put_failure;
6904 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
6906 goto nla_put_failure;
6908 for (i = 0; i < regdom->n_reg_rules; i++) {
6909 struct nlattr *nl_reg_rule;
6910 const struct ieee80211_reg_rule *reg_rule;
6911 const struct ieee80211_freq_range *freq_range;
6912 const struct ieee80211_power_rule *power_rule;
6913 unsigned int max_bandwidth_khz;
6915 reg_rule = ®dom->reg_rules[i];
6916 freq_range = ®_rule->freq_range;
6917 power_rule = ®_rule->power_rule;
6919 nl_reg_rule = nla_nest_start_noflag(msg, i);
6921 goto nla_put_failure;
6923 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6924 if (!max_bandwidth_khz)
6925 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6928 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6930 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6931 freq_range->start_freq_khz) ||
6932 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6933 freq_range->end_freq_khz) ||
6934 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
6935 max_bandwidth_khz) ||
6936 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6937 power_rule->max_antenna_gain) ||
6938 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
6939 power_rule->max_eirp) ||
6940 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6941 reg_rule->dfs_cac_ms))
6942 goto nla_put_failure;
6944 nla_nest_end(msg, nl_reg_rule);
6947 nla_nest_end(msg, nl_reg_rules);
6954 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
6956 const struct ieee80211_regdomain *regdom = NULL;
6957 struct cfg80211_registered_device *rdev;
6958 struct wiphy *wiphy = NULL;
6959 struct sk_buff *msg;
6962 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6966 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6967 NL80211_CMD_GET_REG);
6971 if (info->attrs[NL80211_ATTR_WIPHY]) {
6974 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
6977 return PTR_ERR(rdev);
6980 wiphy = &rdev->wiphy;
6981 self_managed = wiphy->regulatory_flags &
6982 REGULATORY_WIPHY_SELF_MANAGED;
6983 regdom = get_wiphy_regdom(wiphy);
6985 /* a self-managed-reg device must have a private regdom */
6986 if (WARN_ON(!regdom && self_managed)) {
6992 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6993 goto nla_put_failure;
6996 if (!wiphy && reg_last_request_cell_base() &&
6997 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6998 NL80211_USER_REG_HINT_CELL_BASE))
6999 goto nla_put_failure;
7004 regdom = rcu_dereference(cfg80211_regdomain);
7006 if (nl80211_put_regdom(regdom, msg))
7007 goto nla_put_failure_rcu;
7011 genlmsg_end(msg, hdr);
7012 return genlmsg_reply(msg, info);
7014 nla_put_failure_rcu:
7022 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7023 u32 seq, int flags, struct wiphy *wiphy,
7024 const struct ieee80211_regdomain *regdom)
7026 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7027 NL80211_CMD_GET_REG);
7032 genl_dump_check_consistent(cb, hdr);
7034 if (nl80211_put_regdom(regdom, msg))
7035 goto nla_put_failure;
7037 if (!wiphy && reg_last_request_cell_base() &&
7038 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7039 NL80211_USER_REG_HINT_CELL_BASE))
7040 goto nla_put_failure;
7043 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7044 goto nla_put_failure;
7046 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7047 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7048 goto nla_put_failure;
7050 genlmsg_end(msg, hdr);
7054 genlmsg_cancel(msg, hdr);
7058 static int nl80211_get_reg_dump(struct sk_buff *skb,
7059 struct netlink_callback *cb)
7061 const struct ieee80211_regdomain *regdom = NULL;
7062 struct cfg80211_registered_device *rdev;
7063 int err, reg_idx, start = cb->args[2];
7067 if (cfg80211_regdomain && start == 0) {
7068 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7070 rtnl_dereference(cfg80211_regdomain));
7075 /* the global regdom is idx 0 */
7077 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7078 regdom = get_wiphy_regdom(&rdev->wiphy);
7082 if (++reg_idx <= start)
7085 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7086 NLM_F_MULTI, &rdev->wiphy, regdom);
7093 cb->args[2] = reg_idx;
7100 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
7101 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7102 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7103 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7104 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7105 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7106 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7107 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7108 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7111 static int parse_reg_rule(struct nlattr *tb[],
7112 struct ieee80211_reg_rule *reg_rule)
7114 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
7115 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
7117 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7119 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7121 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7123 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7125 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7128 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7130 freq_range->start_freq_khz =
7131 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7132 freq_range->end_freq_khz =
7133 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7134 freq_range->max_bandwidth_khz =
7135 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7137 power_rule->max_eirp =
7138 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7140 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7141 power_rule->max_antenna_gain =
7142 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7144 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7145 reg_rule->dfs_cac_ms =
7146 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7151 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7153 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7154 struct nlattr *nl_reg_rule;
7156 int rem_reg_rules, r;
7157 u32 num_rules = 0, rule_idx = 0;
7158 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7159 struct ieee80211_regdomain *rd;
7161 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7164 if (!info->attrs[NL80211_ATTR_REG_RULES])
7167 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7169 if (info->attrs[NL80211_ATTR_DFS_REGION])
7170 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7172 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7175 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7179 if (!reg_is_valid_request(alpha2))
7182 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7186 rd->n_reg_rules = num_rules;
7187 rd->alpha2[0] = alpha2[0];
7188 rd->alpha2[1] = alpha2[1];
7191 * Disable DFS master mode if the DFS region was
7192 * not supported or known on this kernel.
7194 if (reg_supported_dfs_region(dfs_region))
7195 rd->dfs_region = dfs_region;
7197 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7199 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7200 nl_reg_rule, reg_rule_policy,
7204 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7210 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7216 /* set_regdom takes ownership of rd */
7217 return set_regdom(rd, REGD_SOURCE_CRDA);
7222 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7224 static int validate_scan_freqs(struct nlattr *freqs)
7226 struct nlattr *attr1, *attr2;
7227 int n_channels = 0, tmp1, tmp2;
7229 nla_for_each_nested(attr1, freqs, tmp1)
7230 if (nla_len(attr1) != sizeof(u32))
7233 nla_for_each_nested(attr1, freqs, tmp1) {
7236 * Some hardware has a limited channel list for
7237 * scanning, and it is pretty much nonsensical
7238 * to scan for a channel twice, so disallow that
7239 * and don't require drivers to check that the
7240 * channel list they get isn't longer than what
7241 * they can scan, as long as they can scan all
7242 * the channels they registered at once.
7244 nla_for_each_nested(attr2, freqs, tmp2)
7245 if (attr1 != attr2 &&
7246 nla_get_u32(attr1) == nla_get_u32(attr2))
7253 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
7255 return b < NUM_NL80211_BANDS && wiphy->bands[b];
7258 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7259 struct cfg80211_bss_selection *bss_select)
7261 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7262 struct nlattr *nest;
7267 /* only process one nested attribute */
7268 nest = nla_data(nla);
7269 if (!nla_ok(nest, nla_len(nest)))
7272 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7273 nest, nl80211_bss_select_policy,
7278 /* only one attribute may be given */
7279 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7287 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7289 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7290 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7292 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7293 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7294 bss_select->param.band_pref =
7295 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7296 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7300 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7301 struct nl80211_bss_select_rssi_adjust *adj_param;
7303 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7304 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7305 bss_select->param.adjust.band = adj_param->band;
7306 bss_select->param.adjust.delta = adj_param->delta;
7307 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7311 /* user-space did not provide behaviour attribute */
7312 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7315 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7321 int nl80211_parse_random_mac(struct nlattr **attrs,
7322 u8 *mac_addr, u8 *mac_addr_mask)
7326 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
7327 eth_zero_addr(mac_addr);
7328 eth_zero_addr(mac_addr_mask);
7330 mac_addr_mask[0] = 0x3;
7335 /* need both or none */
7336 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7339 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7340 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7342 /* don't allow or configure an mcast address */
7343 if (!is_multicast_ether_addr(mac_addr_mask) ||
7344 is_multicast_ether_addr(mac_addr))
7348 * allow users to pass a MAC address that has bits set outside
7349 * of the mask, but don't bother drivers with having to deal
7352 for (i = 0; i < ETH_ALEN; i++)
7353 mac_addr[i] &= mac_addr_mask[i];
7358 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7360 ASSERT_WDEV_LOCK(wdev);
7362 if (!cfg80211_beaconing_iface_active(wdev))
7365 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7368 return regulatory_pre_cac_allowed(wdev->wiphy);
7371 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7372 enum nl80211_ext_feature_index feat)
7374 if (!(flags & flag))
7376 if (wiphy_ext_feature_isset(wiphy, feat))
7382 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7383 void *request, struct nlattr **attrs,
7386 u8 *mac_addr, *mac_addr_mask;
7388 enum nl80211_feature_flags randomness_flag;
7390 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7393 if (is_sched_scan) {
7394 struct cfg80211_sched_scan_request *req = request;
7396 randomness_flag = wdev ?
7397 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
7398 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7399 flags = &req->flags;
7400 mac_addr = req->mac_addr;
7401 mac_addr_mask = req->mac_addr_mask;
7403 struct cfg80211_scan_request *req = request;
7405 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
7406 flags = &req->flags;
7407 mac_addr = req->mac_addr;
7408 mac_addr_mask = req->mac_addr_mask;
7411 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
7413 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7414 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
7415 !nl80211_check_scan_feat(wiphy, *flags,
7416 NL80211_SCAN_FLAG_LOW_SPAN,
7417 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
7418 !nl80211_check_scan_feat(wiphy, *flags,
7419 NL80211_SCAN_FLAG_LOW_POWER,
7420 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
7421 !nl80211_check_scan_feat(wiphy, *flags,
7422 NL80211_SCAN_FLAG_HIGH_ACCURACY,
7423 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
7424 !nl80211_check_scan_feat(wiphy, *flags,
7425 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
7426 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
7427 !nl80211_check_scan_feat(wiphy, *flags,
7428 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
7429 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
7430 !nl80211_check_scan_feat(wiphy, *flags,
7431 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
7432 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
7433 !nl80211_check_scan_feat(wiphy, *flags,
7434 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
7435 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
7436 !nl80211_check_scan_feat(wiphy, *flags,
7437 NL80211_SCAN_FLAG_RANDOM_SN,
7438 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
7439 !nl80211_check_scan_feat(wiphy, *flags,
7440 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
7441 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
7444 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7447 if (!(wiphy->features & randomness_flag) ||
7448 (wdev && wdev->current_bss))
7451 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
7459 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
7461 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7462 struct wireless_dev *wdev = info->user_ptr[1];
7463 struct cfg80211_scan_request *request;
7464 struct nlattr *attr;
7465 struct wiphy *wiphy;
7466 int err, tmp, n_ssids = 0, n_channels, i;
7469 wiphy = &rdev->wiphy;
7471 if (wdev->iftype == NL80211_IFTYPE_NAN)
7474 if (!rdev->ops->scan)
7477 if (rdev->scan_req || rdev->scan_msg) {
7482 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7483 n_channels = validate_scan_freqs(
7484 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7490 n_channels = ieee80211_get_num_supported_channels(wiphy);
7493 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
7494 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
7497 if (n_ssids > wiphy->max_scan_ssids) {
7502 if (info->attrs[NL80211_ATTR_IE])
7503 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7507 if (ie_len > wiphy->max_scan_ie_len) {
7512 request = kzalloc(sizeof(*request)
7513 + sizeof(*request->ssids) * n_ssids
7514 + sizeof(*request->channels) * n_channels
7515 + ie_len, GFP_KERNEL);
7522 request->ssids = (void *)&request->channels[n_channels];
7523 request->n_ssids = n_ssids;
7526 request->ie = (void *)(request->ssids + n_ssids);
7528 request->ie = (void *)(request->channels + n_channels);
7532 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7533 /* user specified, bail out if channel not found */
7534 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
7535 struct ieee80211_channel *chan;
7537 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7544 /* ignore disabled channels */
7545 if (chan->flags & IEEE80211_CHAN_DISABLED)
7548 request->channels[i] = chan;
7552 enum nl80211_band band;
7555 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7558 if (!wiphy->bands[band])
7560 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7561 struct ieee80211_channel *chan;
7563 chan = &wiphy->bands[band]->channels[j];
7565 if (chan->flags & IEEE80211_CHAN_DISABLED)
7568 request->channels[i] = chan;
7579 request->n_channels = i;
7582 if (!cfg80211_off_channel_oper_allowed(wdev)) {
7583 struct ieee80211_channel *chan;
7585 if (request->n_channels != 1) {
7591 chan = request->channels[0];
7592 if (chan->center_freq != wdev->chandef.chan->center_freq) {
7602 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
7603 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7607 request->ssids[i].ssid_len = nla_len(attr);
7608 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
7613 if (info->attrs[NL80211_ATTR_IE]) {
7614 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7615 memcpy((void *)request->ie,
7616 nla_data(info->attrs[NL80211_ATTR_IE]),
7620 for (i = 0; i < NUM_NL80211_BANDS; i++)
7621 if (wiphy->bands[i])
7623 (1 << wiphy->bands[i]->n_bitrates) - 1;
7625 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
7626 nla_for_each_nested(attr,
7627 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
7629 enum nl80211_band band = nla_type(attr);
7631 if (band < 0 || band >= NUM_NL80211_BANDS) {
7636 if (!wiphy->bands[band])
7639 err = ieee80211_get_ratemask(wiphy->bands[band],
7642 &request->rates[band]);
7648 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
7649 if (!wiphy_ext_feature_isset(wiphy,
7650 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
7656 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
7657 request->duration_mandatory =
7658 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
7661 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
7667 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7669 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7670 * BSSID to scan for. This was problematic because that same attribute
7671 * was already used for another purpose (local random MAC address). The
7672 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7673 * compatibility with older userspace components, also use the
7674 * NL80211_ATTR_MAC value here if it can be determined to be used for
7675 * the specific BSSID use case instead of the random MAC address
7676 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7678 if (info->attrs[NL80211_ATTR_BSSID])
7679 memcpy(request->bssid,
7680 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
7681 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
7682 info->attrs[NL80211_ATTR_MAC])
7683 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
7686 eth_broadcast_addr(request->bssid);
7688 request->wdev = wdev;
7689 request->wiphy = &rdev->wiphy;
7690 request->scan_start = jiffies;
7692 rdev->scan_req = request;
7693 err = rdev_scan(rdev, request);
7696 nl80211_send_scan_start(rdev, wdev);
7698 dev_hold(wdev->netdev);
7701 rdev->scan_req = NULL;
7709 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
7711 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7712 struct wireless_dev *wdev = info->user_ptr[1];
7714 if (!rdev->ops->abort_scan)
7720 if (!rdev->scan_req)
7723 rdev_abort_scan(rdev, wdev);
7728 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
7729 struct cfg80211_sched_scan_request *request,
7730 struct nlattr **attrs)
7732 int tmp, err, i = 0;
7733 struct nlattr *attr;
7735 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7739 * If scan plans are not specified,
7740 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7741 * case one scan plan will be set with the specified scan
7742 * interval and infinite number of iterations.
7744 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
7748 request->scan_plans[0].interval =
7749 DIV_ROUND_UP(interval, MSEC_PER_SEC);
7750 if (!request->scan_plans[0].interval)
7753 if (request->scan_plans[0].interval >
7754 wiphy->max_sched_scan_plan_interval)
7755 request->scan_plans[0].interval =
7756 wiphy->max_sched_scan_plan_interval;
7761 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
7762 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
7764 if (WARN_ON(i >= n_plans))
7767 err = nla_parse_nested_deprecated(plan,
7768 NL80211_SCHED_SCAN_PLAN_MAX,
7769 attr, nl80211_plan_policy,
7774 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
7777 request->scan_plans[i].interval =
7778 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
7779 if (!request->scan_plans[i].interval ||
7780 request->scan_plans[i].interval >
7781 wiphy->max_sched_scan_plan_interval)
7784 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
7785 request->scan_plans[i].iterations =
7786 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
7787 if (!request->scan_plans[i].iterations ||
7788 (request->scan_plans[i].iterations >
7789 wiphy->max_sched_scan_plan_iterations))
7791 } else if (i < n_plans - 1) {
7793 * All scan plans but the last one must specify
7794 * a finite number of iterations
7803 * The last scan plan must not specify the number of
7804 * iterations, it is supposed to run infinitely
7806 if (request->scan_plans[n_plans - 1].iterations)
7813 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
7814 struct cfg80211_match_set *match_sets,
7815 struct nlattr *tb_band_rssi,
7818 struct nlattr *attr;
7819 int i, tmp, ret = 0;
7821 if (!wiphy_ext_feature_isset(wiphy,
7822 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
7826 for (i = 0; i < NUM_NL80211_BANDS; i++)
7827 match_sets->per_band_rssi_thold[i] =
7828 NL80211_SCAN_RSSI_THOLD_OFF;
7832 for (i = 0; i < NUM_NL80211_BANDS; i++)
7833 match_sets->per_band_rssi_thold[i] = rssi_thold;
7835 nla_for_each_nested(attr, tb_band_rssi, tmp) {
7836 enum nl80211_band band = nla_type(attr);
7838 if (band < 0 || band >= NUM_NL80211_BANDS)
7841 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
7847 static struct cfg80211_sched_scan_request *
7848 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
7849 struct nlattr **attrs, int max_match_sets)
7851 struct cfg80211_sched_scan_request *request;
7852 struct nlattr *attr;
7853 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
7854 enum nl80211_band band;
7856 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
7857 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
7859 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7860 n_channels = validate_scan_freqs(
7861 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7863 return ERR_PTR(-EINVAL);
7865 n_channels = ieee80211_get_num_supported_channels(wiphy);
7868 if (attrs[NL80211_ATTR_SCAN_SSIDS])
7869 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7873 if (n_ssids > wiphy->max_sched_scan_ssids)
7874 return ERR_PTR(-EINVAL);
7877 * First, count the number of 'real' matchsets. Due to an issue with
7878 * the old implementation, matchsets containing only the RSSI attribute
7879 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7880 * RSSI for all matchsets, rather than their own matchset for reporting
7881 * all APs with a strong RSSI. This is needed to be compatible with
7882 * older userspace that treated a matchset with only the RSSI as the
7883 * global RSSI for all other matchsets - if there are other matchsets.
7885 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7886 nla_for_each_nested(attr,
7887 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7889 struct nlattr *rssi;
7891 err = nla_parse_nested_deprecated(tb,
7892 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7894 nl80211_match_policy,
7897 return ERR_PTR(err);
7899 /* SSID and BSSID are mutually exclusive */
7900 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
7901 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
7902 return ERR_PTR(-EINVAL);
7904 /* add other standalone attributes here */
7905 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
7906 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
7910 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7912 default_match_rssi = nla_get_s32(rssi);
7916 /* However, if there's no other matchset, add the RSSI one */
7917 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
7920 if (n_match_sets > max_match_sets)
7921 return ERR_PTR(-EINVAL);
7923 if (attrs[NL80211_ATTR_IE])
7924 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
7928 if (ie_len > wiphy->max_sched_scan_ie_len)
7929 return ERR_PTR(-EINVAL);
7931 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7933 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7934 * each scan plan already specifies its own interval
7936 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7937 return ERR_PTR(-EINVAL);
7939 nla_for_each_nested(attr,
7940 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
7944 * The scan interval attribute is kept for backward
7945 * compatibility. If no scan plans are specified and sched scan
7946 * interval is specified, one scan plan will be set with this
7947 * scan interval and infinite number of iterations.
7949 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7950 return ERR_PTR(-EINVAL);
7955 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
7956 return ERR_PTR(-EINVAL);
7958 if (!wiphy_ext_feature_isset(
7959 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
7960 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
7961 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
7962 return ERR_PTR(-EINVAL);
7964 request = kzalloc(sizeof(*request)
7965 + sizeof(*request->ssids) * n_ssids
7966 + sizeof(*request->match_sets) * n_match_sets
7967 + sizeof(*request->scan_plans) * n_plans
7968 + sizeof(*request->channels) * n_channels
7969 + ie_len, GFP_KERNEL);
7971 return ERR_PTR(-ENOMEM);
7974 request->ssids = (void *)&request->channels[n_channels];
7975 request->n_ssids = n_ssids;
7978 request->ie = (void *)(request->ssids + n_ssids);
7980 request->ie = (void *)(request->channels + n_channels);
7985 request->match_sets = (void *)(request->ie + ie_len);
7987 request->match_sets =
7988 (void *)(request->ssids + n_ssids);
7990 request->match_sets =
7991 (void *)(request->channels + n_channels);
7993 request->n_match_sets = n_match_sets;
7996 request->scan_plans = (void *)(request->match_sets +
7998 else if (request->ie)
7999 request->scan_plans = (void *)(request->ie + ie_len);
8001 request->scan_plans = (void *)(request->ssids + n_ssids);
8003 request->scan_plans = (void *)(request->channels + n_channels);
8005 request->n_scan_plans = n_plans;
8008 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8009 /* user specified, bail out if channel not found */
8010 nla_for_each_nested(attr,
8011 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
8013 struct ieee80211_channel *chan;
8015 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8022 /* ignore disabled channels */
8023 if (chan->flags & IEEE80211_CHAN_DISABLED)
8026 request->channels[i] = chan;
8031 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8034 if (!wiphy->bands[band])
8036 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8037 struct ieee80211_channel *chan;
8039 chan = &wiphy->bands[band]->channels[j];
8041 if (chan->flags & IEEE80211_CHAN_DISABLED)
8044 request->channels[i] = chan;
8055 request->n_channels = i;
8059 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8061 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8065 request->ssids[i].ssid_len = nla_len(attr);
8066 memcpy(request->ssids[i].ssid, nla_data(attr),
8073 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8074 nla_for_each_nested(attr,
8075 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8077 struct nlattr *ssid, *bssid, *rssi;
8079 err = nla_parse_nested_deprecated(tb,
8080 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8082 nl80211_match_policy,
8086 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
8087 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
8089 if (!ssid && !bssid) {
8094 if (WARN_ON(i >= n_match_sets)) {
8095 /* this indicates a programming error,
8096 * the loop above should have verified
8104 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
8108 memcpy(request->match_sets[i].ssid.ssid,
8109 nla_data(ssid), nla_len(ssid));
8110 request->match_sets[i].ssid.ssid_len =
8114 if (nla_len(bssid) != ETH_ALEN) {
8118 memcpy(request->match_sets[i].bssid,
8119 nla_data(bssid), ETH_ALEN);
8122 /* special attribute - old implementation w/a */
8123 request->match_sets[i].rssi_thold = default_match_rssi;
8124 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8126 request->match_sets[i].rssi_thold =
8129 /* Parse per band RSSI attribute */
8130 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8131 &request->match_sets[i],
8132 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8133 request->match_sets[i].rssi_thold);
8140 /* there was no other matchset, so the RSSI one is alone */
8141 if (i == 0 && n_match_sets)
8142 request->match_sets[0].rssi_thold = default_match_rssi;
8144 request->min_rssi_thold = INT_MAX;
8145 for (i = 0; i < n_match_sets; i++)
8146 request->min_rssi_thold =
8147 min(request->match_sets[i].rssi_thold,
8148 request->min_rssi_thold);
8150 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8154 request->ie_len = ie_len;
8155 memcpy((void *)request->ie,
8156 nla_data(attrs[NL80211_ATTR_IE]),
8160 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8164 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8166 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8168 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8169 request->relative_rssi = nla_get_s8(
8170 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8171 request->relative_rssi_set = true;
8174 if (request->relative_rssi_set &&
8175 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8176 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8178 rssi_adjust = nla_data(
8179 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8180 request->rssi_adjust.band = rssi_adjust->band;
8181 request->rssi_adjust.delta = rssi_adjust->delta;
8182 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8188 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8192 request->scan_start = jiffies;
8198 return ERR_PTR(err);
8201 static int nl80211_start_sched_scan(struct sk_buff *skb,
8202 struct genl_info *info)
8204 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8205 struct net_device *dev = info->user_ptr[1];
8206 struct wireless_dev *wdev = dev->ieee80211_ptr;
8207 struct cfg80211_sched_scan_request *sched_scan_req;
8211 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8214 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8215 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8219 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8221 rdev->wiphy.max_match_sets);
8223 err = PTR_ERR_OR_ZERO(sched_scan_req);
8227 /* leave request id zero for legacy request
8228 * or if driver does not support multi-scheduled scan
8230 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) {
8231 while (!sched_scan_req->reqid)
8232 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8235 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
8239 sched_scan_req->dev = dev;
8240 sched_scan_req->wiphy = &rdev->wiphy;
8242 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8243 sched_scan_req->owner_nlportid = info->snd_portid;
8245 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
8247 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
8251 kfree(sched_scan_req);
8256 static int nl80211_stop_sched_scan(struct sk_buff *skb,
8257 struct genl_info *info)
8259 struct cfg80211_sched_scan_request *req;
8260 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8263 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
8266 if (info->attrs[NL80211_ATTR_COOKIE]) {
8267 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8268 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8271 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8272 struct cfg80211_sched_scan_request,
8274 if (!req || req->reqid ||
8275 (req->owner_nlportid &&
8276 req->owner_nlportid != info->snd_portid))
8279 return cfg80211_stop_sched_scan_req(rdev, req, false);
8282 static int nl80211_start_radar_detection(struct sk_buff *skb,
8283 struct genl_info *info)
8285 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8286 struct net_device *dev = info->user_ptr[1];
8287 struct wireless_dev *wdev = dev->ieee80211_ptr;
8288 struct wiphy *wiphy = wdev->wiphy;
8289 struct cfg80211_chan_def chandef;
8290 enum nl80211_dfs_regions dfs_region;
8291 unsigned int cac_time_ms;
8294 dfs_region = reg_get_dfs_region(wiphy);
8295 if (dfs_region == NL80211_DFS_UNSET)
8298 err = nl80211_parse_chandef(rdev, info, &chandef);
8302 if (netif_carrier_ok(dev))
8305 if (wdev->cac_started)
8308 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8315 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
8318 /* CAC start is offloaded to HW and can't be started manually */
8319 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8322 if (!rdev->ops->start_radar_detection)
8325 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8326 if (WARN_ON(!cac_time_ms))
8327 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8329 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
8331 wdev->chandef = chandef;
8332 wdev->cac_started = true;
8333 wdev->cac_start_time = jiffies;
8334 wdev->cac_time_ms = cac_time_ms;
8339 static int nl80211_notify_radar_detection(struct sk_buff *skb,
8340 struct genl_info *info)
8342 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8343 struct net_device *dev = info->user_ptr[1];
8344 struct wireless_dev *wdev = dev->ieee80211_ptr;
8345 struct wiphy *wiphy = wdev->wiphy;
8346 struct cfg80211_chan_def chandef;
8347 enum nl80211_dfs_regions dfs_region;
8350 dfs_region = reg_get_dfs_region(wiphy);
8351 if (dfs_region == NL80211_DFS_UNSET) {
8352 GENL_SET_ERR_MSG(info,
8353 "DFS Region is not set. Unexpected Radar indication");
8357 err = nl80211_parse_chandef(rdev, info, &chandef);
8359 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8363 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8365 GENL_SET_ERR_MSG(info, "chandef is invalid");
8370 GENL_SET_ERR_MSG(info,
8371 "Unexpected Radar indication for chandef/iftype");
8375 /* Do not process this notification if radar is already detected
8376 * by kernel on this channel, and return success.
8378 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8381 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8383 cfg80211_sched_dfs_chan_update(rdev);
8385 rdev->radar_chandef = chandef;
8387 /* Propagate this notification to other radios as well */
8388 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8393 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8395 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8396 struct net_device *dev = info->user_ptr[1];
8397 struct wireless_dev *wdev = dev->ieee80211_ptr;
8398 struct cfg80211_csa_settings params;
8399 /* csa_attrs is defined static to avoid waste of stack size - this
8400 * function is called under RTNL lock, so this should not be a problem.
8402 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
8404 bool need_new_beacon = false;
8405 bool need_handle_dfs_flag = true;
8409 if (!rdev->ops->channel_switch ||
8410 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
8413 switch (dev->ieee80211_ptr->iftype) {
8414 case NL80211_IFTYPE_AP:
8415 case NL80211_IFTYPE_P2P_GO:
8416 need_new_beacon = true;
8417 /* For all modes except AP the handle_dfs flag needs to be
8418 * supplied to tell the kernel that userspace will handle radar
8419 * events when they happen. Otherwise a switch to a channel
8420 * requiring DFS will be rejected.
8422 need_handle_dfs_flag = false;
8424 /* useless if AP is not running */
8425 if (!wdev->beacon_interval)
8428 case NL80211_IFTYPE_ADHOC:
8429 if (!wdev->ssid_len)
8432 case NL80211_IFTYPE_MESH_POINT:
8433 if (!wdev->mesh_id_len)
8440 memset(¶ms, 0, sizeof(params));
8441 params.beacon_csa.ftm_responder = -1;
8443 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8444 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
8447 /* only important for AP, IBSS and mesh create IEs internally */
8448 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
8451 /* Even though the attribute is u32, the specification says
8452 * u8, so let's make sure we don't overflow.
8454 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
8458 params.count = cs_count;
8460 if (!need_new_beacon)
8463 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
8467 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
8468 info->attrs[NL80211_ATTR_CSA_IES],
8469 nl80211_policy, info->extack);
8473 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
8477 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
8480 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8481 if (!len || (len % sizeof(u16)))
8484 params.n_counter_offsets_beacon = len / sizeof(u16);
8485 if (rdev->wiphy.max_num_csa_counters &&
8486 (params.n_counter_offsets_beacon >
8487 rdev->wiphy.max_num_csa_counters))
8490 params.counter_offsets_beacon =
8491 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8493 /* sanity checks - counters should fit and be the same */
8494 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
8495 u16 offset = params.counter_offsets_beacon[i];
8497 if (offset >= params.beacon_csa.tail_len)
8500 if (params.beacon_csa.tail[offset] != params.count)
8504 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
8505 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8506 if (!len || (len % sizeof(u16)))
8509 params.n_counter_offsets_presp = len / sizeof(u16);
8510 if (rdev->wiphy.max_num_csa_counters &&
8511 (params.n_counter_offsets_presp >
8512 rdev->wiphy.max_num_csa_counters))
8515 params.counter_offsets_presp =
8516 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8518 /* sanity checks - counters should fit and be the same */
8519 for (i = 0; i < params.n_counter_offsets_presp; i++) {
8520 u16 offset = params.counter_offsets_presp[i];
8522 if (offset >= params.beacon_csa.probe_resp_len)
8525 if (params.beacon_csa.probe_resp[offset] !=
8532 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
8536 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
8540 err = cfg80211_chandef_dfs_required(wdev->wiphy,
8547 params.radar_required = true;
8548 if (need_handle_dfs_flag &&
8549 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
8554 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
8555 params.block_tx = true;
8558 err = rdev_channel_switch(rdev, dev, ¶ms);
8564 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
8566 struct cfg80211_registered_device *rdev,
8567 struct wireless_dev *wdev,
8568 struct cfg80211_internal_bss *intbss)
8570 struct cfg80211_bss *res = &intbss->pub;
8571 const struct cfg80211_bss_ies *ies;
8575 ASSERT_WDEV_LOCK(wdev);
8577 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8578 NL80211_CMD_NEW_SCAN_RESULTS);
8582 genl_dump_check_consistent(cb, hdr);
8584 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
8585 goto nla_put_failure;
8587 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
8588 goto nla_put_failure;
8589 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
8591 goto nla_put_failure;
8593 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
8595 goto nla_put_failure;
8596 if ((!is_zero_ether_addr(res->bssid) &&
8597 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
8598 goto nla_put_failure;
8601 /* indicate whether we have probe response data or not */
8602 if (rcu_access_pointer(res->proberesp_ies) &&
8603 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
8604 goto fail_unlock_rcu;
8606 /* this pointer prefers to be pointed to probe response data
8607 * but is always valid
8609 ies = rcu_dereference(res->ies);
8611 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
8613 goto fail_unlock_rcu;
8614 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
8615 ies->len, ies->data))
8616 goto fail_unlock_rcu;
8619 /* and this pointer is always (unless driver didn't know) beacon data */
8620 ies = rcu_dereference(res->beacon_ies);
8621 if (ies && ies->from_beacon) {
8622 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
8624 goto fail_unlock_rcu;
8625 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
8626 ies->len, ies->data))
8627 goto fail_unlock_rcu;
8631 if (res->beacon_interval &&
8632 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
8633 goto nla_put_failure;
8634 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
8635 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
8636 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
8637 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
8638 jiffies_to_msecs(jiffies - intbss->ts)))
8639 goto nla_put_failure;
8641 if (intbss->parent_tsf &&
8642 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
8643 intbss->parent_tsf, NL80211_BSS_PAD) ||
8644 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
8645 intbss->parent_bssid)))
8646 goto nla_put_failure;
8648 if (intbss->ts_boottime &&
8649 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
8650 intbss->ts_boottime, NL80211_BSS_PAD))
8651 goto nla_put_failure;
8653 if (!nl80211_put_signal(msg, intbss->pub.chains,
8654 intbss->pub.chain_signal,
8655 NL80211_BSS_CHAIN_SIGNAL))
8656 goto nla_put_failure;
8658 switch (rdev->wiphy.signal_type) {
8659 case CFG80211_SIGNAL_TYPE_MBM:
8660 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
8661 goto nla_put_failure;
8663 case CFG80211_SIGNAL_TYPE_UNSPEC:
8664 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
8665 goto nla_put_failure;
8671 switch (wdev->iftype) {
8672 case NL80211_IFTYPE_P2P_CLIENT:
8673 case NL80211_IFTYPE_STATION:
8674 if (intbss == wdev->current_bss &&
8675 nla_put_u32(msg, NL80211_BSS_STATUS,
8676 NL80211_BSS_STATUS_ASSOCIATED))
8677 goto nla_put_failure;
8679 case NL80211_IFTYPE_ADHOC:
8680 if (intbss == wdev->current_bss &&
8681 nla_put_u32(msg, NL80211_BSS_STATUS,
8682 NL80211_BSS_STATUS_IBSS_JOINED))
8683 goto nla_put_failure;
8689 nla_nest_end(msg, bss);
8691 genlmsg_end(msg, hdr);
8697 genlmsg_cancel(msg, hdr);
8701 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
8703 struct cfg80211_registered_device *rdev;
8704 struct cfg80211_internal_bss *scan;
8705 struct wireless_dev *wdev;
8706 int start = cb->args[2], idx = 0;
8710 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8717 spin_lock_bh(&rdev->bss_lock);
8720 * dump_scan will be called multiple times to break up the scan results
8721 * into multiple messages. It is unlikely that any more bss-es will be
8722 * expired after the first call, so only call only call this on the
8723 * first dump_scan invocation.
8726 cfg80211_bss_expire(rdev);
8728 cb->seq = rdev->bss_generation;
8730 list_for_each_entry(scan, &rdev->bss_list, list) {
8733 if (nl80211_send_bss(skb, cb,
8734 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8735 rdev, wdev, scan) < 0) {
8741 spin_unlock_bh(&rdev->bss_lock);
8750 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
8751 int flags, struct net_device *dev,
8752 bool allow_radio_stats,
8753 struct survey_info *survey)
8756 struct nlattr *infoattr;
8758 /* skip radio stats if userspace didn't request them */
8759 if (!survey->channel && !allow_radio_stats)
8762 hdr = nl80211hdr_put(msg, portid, seq, flags,
8763 NL80211_CMD_NEW_SURVEY_RESULTS);
8767 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
8768 goto nla_put_failure;
8770 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
8772 goto nla_put_failure;
8774 if (survey->channel &&
8775 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
8776 survey->channel->center_freq))
8777 goto nla_put_failure;
8779 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
8780 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
8781 goto nla_put_failure;
8782 if ((survey->filled & SURVEY_INFO_IN_USE) &&
8783 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
8784 goto nla_put_failure;
8785 if ((survey->filled & SURVEY_INFO_TIME) &&
8786 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
8787 survey->time, NL80211_SURVEY_INFO_PAD))
8788 goto nla_put_failure;
8789 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
8790 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
8791 survey->time_busy, NL80211_SURVEY_INFO_PAD))
8792 goto nla_put_failure;
8793 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
8794 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
8795 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
8796 goto nla_put_failure;
8797 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
8798 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
8799 survey->time_rx, NL80211_SURVEY_INFO_PAD))
8800 goto nla_put_failure;
8801 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
8802 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
8803 survey->time_tx, NL80211_SURVEY_INFO_PAD))
8804 goto nla_put_failure;
8805 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
8806 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
8807 survey->time_scan, NL80211_SURVEY_INFO_PAD))
8808 goto nla_put_failure;
8809 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
8810 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
8811 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
8812 goto nla_put_failure;
8814 nla_nest_end(msg, infoattr);
8816 genlmsg_end(msg, hdr);
8820 genlmsg_cancel(msg, hdr);
8824 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
8826 struct nlattr **attrbuf;
8827 struct survey_info survey;
8828 struct cfg80211_registered_device *rdev;
8829 struct wireless_dev *wdev;
8830 int survey_idx = cb->args[2];
8834 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
8839 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8843 /* prepare_wdev_dump parsed the attributes */
8844 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
8846 if (!wdev->netdev) {
8851 if (!rdev->ops->dump_survey) {
8857 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
8863 /* don't send disabled channels, but do send non-channel data */
8864 if (survey.channel &&
8865 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
8870 if (nl80211_send_survey(skb,
8871 NETLINK_CB(cb->skb).portid,
8872 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8873 wdev->netdev, radio_stats, &survey) < 0)
8879 cb->args[2] = survey_idx;
8887 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
8889 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
8890 NL80211_WPA_VERSION_2 |
8891 NL80211_WPA_VERSION_3));
8894 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
8896 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8897 struct net_device *dev = info->user_ptr[1];
8898 struct ieee80211_channel *chan;
8899 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
8900 int err, ssid_len, ie_len = 0, auth_data_len = 0;
8901 enum nl80211_auth_type auth_type;
8902 struct key_parse key;
8903 bool local_state_change;
8905 if (!info->attrs[NL80211_ATTR_MAC])
8908 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
8911 if (!info->attrs[NL80211_ATTR_SSID])
8914 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
8917 err = nl80211_parse_key(info, &key);
8922 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
8924 if (!key.p.key || !key.p.key_len)
8926 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
8927 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
8928 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
8929 key.p.key_len != WLAN_KEY_LEN_WEP104))
8942 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
8943 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
8952 if (!rdev->ops->auth)
8955 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8956 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8959 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8960 chan = nl80211_get_valid_chan(&rdev->wiphy,
8961 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8965 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8966 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8968 if (info->attrs[NL80211_ATTR_IE]) {
8969 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8970 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8973 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
8974 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
8977 if ((auth_type == NL80211_AUTHTYPE_SAE ||
8978 auth_type == NL80211_AUTHTYPE_FILS_SK ||
8979 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
8980 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
8981 !info->attrs[NL80211_ATTR_AUTH_DATA])
8984 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
8985 if (auth_type != NL80211_AUTHTYPE_SAE &&
8986 auth_type != NL80211_AUTHTYPE_FILS_SK &&
8987 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
8988 auth_type != NL80211_AUTHTYPE_FILS_PK)
8990 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
8991 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
8992 /* need to include at least Auth Transaction and Status Code */
8993 if (auth_data_len < 4)
8997 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9000 * Since we no longer track auth state, ignore
9001 * requests to only change local state.
9003 if (local_state_change)
9006 wdev_lock(dev->ieee80211_ptr);
9007 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9008 ssid, ssid_len, ie, ie_len,
9009 key.p.key, key.p.key_len, key.idx,
9010 auth_data, auth_data_len);
9011 wdev_unlock(dev->ieee80211_ptr);
9015 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9016 struct genl_info *info)
9018 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9019 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9023 if (!rdev->ops->tx_control_port ||
9024 !wiphy_ext_feature_isset(&rdev->wiphy,
9025 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9031 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9032 struct genl_info *info,
9033 struct cfg80211_crypto_settings *settings,
9036 memset(settings, 0, sizeof(*settings));
9038 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9040 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9043 proto = nla_get_u16(
9044 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9045 settings->control_port_ethertype = cpu_to_be16(proto);
9046 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9049 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9050 settings->control_port_no_encrypt = true;
9052 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9054 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9055 int r = validate_pae_over_nl80211(rdev, info);
9060 settings->control_port_over_nl80211 = true;
9063 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9067 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9068 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9069 settings->n_ciphers_pairwise = len / sizeof(u32);
9071 if (len % sizeof(u32))
9074 if (settings->n_ciphers_pairwise > cipher_limit)
9077 memcpy(settings->ciphers_pairwise, data, len);
9079 for (i = 0; i < settings->n_ciphers_pairwise; i++)
9080 if (!cfg80211_supported_cipher_suite(
9082 settings->ciphers_pairwise[i]))
9086 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9087 settings->cipher_group =
9088 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
9089 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9090 settings->cipher_group))
9094 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9095 settings->wpa_versions =
9096 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9097 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9101 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9105 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9106 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9107 settings->n_akm_suites = len / sizeof(u32);
9109 if (len % sizeof(u32))
9112 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9115 memcpy(settings->akm_suites, data, len);
9118 if (info->attrs[NL80211_ATTR_PMK]) {
9119 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9121 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9122 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
9124 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9127 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9128 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9129 NL80211_EXT_FEATURE_SAE_OFFLOAD))
9132 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9133 settings->sae_pwd_len =
9134 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9140 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9142 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9143 struct net_device *dev = info->user_ptr[1];
9144 struct ieee80211_channel *chan;
9145 struct cfg80211_assoc_request req = {};
9146 const u8 *bssid, *ssid;
9147 int err, ssid_len = 0;
9149 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9150 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9153 if (!info->attrs[NL80211_ATTR_MAC] ||
9154 !info->attrs[NL80211_ATTR_SSID] ||
9155 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
9158 if (!rdev->ops->assoc)
9161 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9162 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9165 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9167 chan = nl80211_get_valid_chan(&rdev->wiphy,
9168 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9172 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9173 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9175 if (info->attrs[NL80211_ATTR_IE]) {
9176 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9177 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9180 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9181 enum nl80211_mfp mfp =
9182 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9183 if (mfp == NL80211_MFP_REQUIRED)
9185 else if (mfp != NL80211_MFP_NO)
9189 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9190 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9192 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9193 req.flags |= ASSOC_REQ_DISABLE_HT;
9195 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9196 memcpy(&req.ht_capa_mask,
9197 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9198 sizeof(req.ht_capa_mask));
9200 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9201 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9203 memcpy(&req.ht_capa,
9204 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9205 sizeof(req.ht_capa));
9208 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9209 req.flags |= ASSOC_REQ_DISABLE_VHT;
9211 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9212 memcpy(&req.vht_capa_mask,
9213 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9214 sizeof(req.vht_capa_mask));
9216 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9217 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9219 memcpy(&req.vht_capa,
9220 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9221 sizeof(req.vht_capa));
9224 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9225 if (!((rdev->wiphy.features &
9226 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9227 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9228 !wiphy_ext_feature_isset(&rdev->wiphy,
9229 NL80211_EXT_FEATURE_RRM))
9231 req.flags |= ASSOC_REQ_USE_RRM;
9234 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9235 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9236 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9237 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9240 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9243 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
9245 wdev_lock(dev->ieee80211_ptr);
9247 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9248 ssid, ssid_len, &req);
9250 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9251 dev->ieee80211_ptr->conn_owner_nlportid =
9253 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9257 wdev_unlock(dev->ieee80211_ptr);
9263 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9265 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9266 struct net_device *dev = info->user_ptr[1];
9267 const u8 *ie = NULL, *bssid;
9268 int ie_len = 0, err;
9270 bool local_state_change;
9272 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9273 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9276 if (!info->attrs[NL80211_ATTR_MAC])
9279 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9282 if (!rdev->ops->deauth)
9285 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9286 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9289 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9291 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9292 if (reason_code == 0) {
9293 /* Reason Code 0 is reserved */
9297 if (info->attrs[NL80211_ATTR_IE]) {
9298 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9299 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9302 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9304 wdev_lock(dev->ieee80211_ptr);
9305 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9306 local_state_change);
9307 wdev_unlock(dev->ieee80211_ptr);
9311 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9313 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9314 struct net_device *dev = info->user_ptr[1];
9315 const u8 *ie = NULL, *bssid;
9316 int ie_len = 0, err;
9318 bool local_state_change;
9320 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9321 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9324 if (!info->attrs[NL80211_ATTR_MAC])
9327 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9330 if (!rdev->ops->disassoc)
9333 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9334 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9337 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9339 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9340 if (reason_code == 0) {
9341 /* Reason Code 0 is reserved */
9345 if (info->attrs[NL80211_ATTR_IE]) {
9346 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9347 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9350 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9352 wdev_lock(dev->ieee80211_ptr);
9353 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9354 local_state_change);
9355 wdev_unlock(dev->ieee80211_ptr);
9360 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
9361 int mcast_rate[NUM_NL80211_BANDS],
9364 struct wiphy *wiphy = &rdev->wiphy;
9368 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9369 struct ieee80211_supported_band *sband;
9371 sband = wiphy->bands[band];
9375 for (i = 0; i < sband->n_bitrates; i++) {
9376 if (sband->bitrates[i].bitrate == rateval) {
9377 mcast_rate[band] = i + 1;
9387 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
9389 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9390 struct net_device *dev = info->user_ptr[1];
9391 struct cfg80211_ibss_params ibss;
9392 struct wiphy *wiphy;
9393 struct cfg80211_cached_keys *connkeys = NULL;
9396 memset(&ibss, 0, sizeof(ibss));
9398 if (!info->attrs[NL80211_ATTR_SSID] ||
9399 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9402 ibss.beacon_interval = 100;
9404 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
9405 ibss.beacon_interval =
9406 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9408 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
9409 ibss.beacon_interval);
9413 if (!rdev->ops->join_ibss)
9416 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9419 wiphy = &rdev->wiphy;
9421 if (info->attrs[NL80211_ATTR_MAC]) {
9422 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9424 if (!is_valid_ether_addr(ibss.bssid))
9427 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9428 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9430 if (info->attrs[NL80211_ATTR_IE]) {
9431 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9432 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9435 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
9439 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
9440 NL80211_IFTYPE_ADHOC))
9443 switch (ibss.chandef.width) {
9444 case NL80211_CHAN_WIDTH_5:
9445 case NL80211_CHAN_WIDTH_10:
9446 case NL80211_CHAN_WIDTH_20_NOHT:
9448 case NL80211_CHAN_WIDTH_20:
9449 case NL80211_CHAN_WIDTH_40:
9450 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9453 case NL80211_CHAN_WIDTH_80:
9454 case NL80211_CHAN_WIDTH_80P80:
9455 case NL80211_CHAN_WIDTH_160:
9456 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9458 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9459 NL80211_EXT_FEATURE_VHT_IBSS))
9466 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
9467 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
9469 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9471 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9473 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9474 struct ieee80211_supported_band *sband =
9475 wiphy->bands[ibss.chandef.chan->band];
9477 err = ieee80211_get_ratemask(sband, rates, n_rates,
9483 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9484 memcpy(&ibss.ht_capa_mask,
9485 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9486 sizeof(ibss.ht_capa_mask));
9488 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9489 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9491 memcpy(&ibss.ht_capa,
9492 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9493 sizeof(ibss.ht_capa));
9496 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9497 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
9498 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9501 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9504 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
9505 if (IS_ERR(connkeys))
9506 return PTR_ERR(connkeys);
9508 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
9516 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
9518 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9519 int r = validate_pae_over_nl80211(rdev, info);
9526 ibss.control_port_over_nl80211 = true;
9529 ibss.userspace_handles_dfs =
9530 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9532 wdev_lock(dev->ieee80211_ptr);
9533 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
9536 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9537 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9538 wdev_unlock(dev->ieee80211_ptr);
9543 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
9545 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9546 struct net_device *dev = info->user_ptr[1];
9548 if (!rdev->ops->leave_ibss)
9551 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9554 return cfg80211_leave_ibss(rdev, dev, false);
9557 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
9559 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9560 struct net_device *dev = info->user_ptr[1];
9561 int mcast_rate[NUM_NL80211_BANDS];
9565 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
9566 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
9567 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
9570 if (!rdev->ops->set_mcast_rate)
9573 memset(mcast_rate, 0, sizeof(mcast_rate));
9575 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
9578 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
9579 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
9582 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
9587 static struct sk_buff *
9588 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
9589 struct wireless_dev *wdev, int approxlen,
9590 u32 portid, u32 seq, enum nl80211_commands cmd,
9591 enum nl80211_attrs attr,
9592 const struct nl80211_vendor_cmd_info *info,
9595 struct sk_buff *skb;
9597 struct nlattr *data;
9599 skb = nlmsg_new(approxlen + 100, gfp);
9603 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
9609 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
9610 goto nla_put_failure;
9613 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
9615 goto nla_put_failure;
9616 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
9618 goto nla_put_failure;
9622 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
9623 wdev_id(wdev), NL80211_ATTR_PAD))
9624 goto nla_put_failure;
9626 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
9627 wdev->netdev->ifindex))
9628 goto nla_put_failure;
9631 data = nla_nest_start_noflag(skb, attr);
9633 goto nla_put_failure;
9635 ((void **)skb->cb)[0] = rdev;
9636 ((void **)skb->cb)[1] = hdr;
9637 ((void **)skb->cb)[2] = data;
9646 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
9647 struct wireless_dev *wdev,
9648 enum nl80211_commands cmd,
9649 enum nl80211_attrs attr,
9650 unsigned int portid,
9651 int vendor_event_idx,
9652 int approxlen, gfp_t gfp)
9654 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
9655 const struct nl80211_vendor_cmd_info *info;
9658 case NL80211_CMD_TESTMODE:
9659 if (WARN_ON(vendor_event_idx != -1))
9663 case NL80211_CMD_VENDOR:
9664 if (WARN_ON(vendor_event_idx < 0 ||
9665 vendor_event_idx >= wiphy->n_vendor_events))
9667 info = &wiphy->vendor_events[vendor_event_idx];
9674 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
9675 cmd, attr, info, gfp);
9677 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
9679 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
9681 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9682 void *hdr = ((void **)skb->cb)[1];
9683 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
9684 struct nlattr *data = ((void **)skb->cb)[2];
9685 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
9687 /* clear CB data for netlink core to own from now on */
9688 memset(skb->cb, 0, sizeof(skb->cb));
9690 nla_nest_end(skb, data);
9691 genlmsg_end(skb, hdr);
9693 if (nlhdr->nlmsg_pid) {
9694 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
9697 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
9698 mcgrp = NL80211_MCGRP_VENDOR;
9700 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
9701 skb, 0, mcgrp, gfp);
9704 EXPORT_SYMBOL(__cfg80211_send_event_skb);
9706 #ifdef CONFIG_NL80211_TESTMODE
9707 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
9709 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9710 struct wireless_dev *wdev =
9711 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
9714 if (!rdev->ops->testmode_cmd)
9718 err = PTR_ERR(wdev);
9722 } else if (wdev->wiphy != &rdev->wiphy) {
9726 if (!info->attrs[NL80211_ATTR_TESTDATA])
9729 rdev->cur_cmd_info = info;
9730 err = rdev_testmode_cmd(rdev, wdev,
9731 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
9732 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
9733 rdev->cur_cmd_info = NULL;
9738 static int nl80211_testmode_dump(struct sk_buff *skb,
9739 struct netlink_callback *cb)
9741 struct cfg80211_registered_device *rdev;
9742 struct nlattr **attrbuf = NULL;
9752 * 0 is a valid index, but not valid for args[0],
9753 * so we need to offset by 1.
9755 phy_idx = cb->args[0] - 1;
9757 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
9763 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
9770 err = nlmsg_parse_deprecated(cb->nlh,
9771 GENL_HDRLEN + nl80211_fam.hdrsize,
9772 attrbuf, nl80211_fam.maxattr,
9773 nl80211_policy, NULL);
9777 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
9779 err = PTR_ERR(rdev);
9782 phy_idx = rdev->wiphy_idx;
9784 if (attrbuf[NL80211_ATTR_TESTDATA])
9785 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
9789 data = nla_data((void *)cb->args[1]);
9790 data_len = nla_len((void *)cb->args[1]);
9793 if (!rdev->ops->testmode_dump) {
9799 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
9800 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9801 NL80211_CMD_TESTMODE);
9802 struct nlattr *tmdata;
9807 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
9808 genlmsg_cancel(skb, hdr);
9812 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
9814 genlmsg_cancel(skb, hdr);
9817 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
9818 nla_nest_end(skb, tmdata);
9820 if (err == -ENOBUFS || err == -ENOENT) {
9821 genlmsg_cancel(skb, hdr);
9824 genlmsg_cancel(skb, hdr);
9828 genlmsg_end(skb, hdr);
9833 cb->args[0] = phy_idx + 1;
9841 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
9843 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9844 struct net_device *dev = info->user_ptr[1];
9845 struct cfg80211_connect_params connect;
9846 struct wiphy *wiphy;
9847 struct cfg80211_cached_keys *connkeys = NULL;
9850 memset(&connect, 0, sizeof(connect));
9852 if (!info->attrs[NL80211_ATTR_SSID] ||
9853 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9856 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9858 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9859 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
9860 NL80211_CMD_CONNECT))
9863 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
9865 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
9867 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
9868 !wiphy_ext_feature_isset(&rdev->wiphy,
9869 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
9871 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
9873 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
9874 NL80211_MAX_NR_CIPHER_SUITES);
9878 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9879 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9882 wiphy = &rdev->wiphy;
9884 connect.bg_scan_period = -1;
9885 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
9886 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
9887 connect.bg_scan_period =
9888 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
9891 if (info->attrs[NL80211_ATTR_MAC])
9892 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9893 else if (info->attrs[NL80211_ATTR_MAC_HINT])
9894 connect.bssid_hint =
9895 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
9896 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9897 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9899 if (info->attrs[NL80211_ATTR_IE]) {
9900 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9901 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9904 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9905 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9906 if (connect.mfp == NL80211_MFP_OPTIONAL &&
9907 !wiphy_ext_feature_isset(&rdev->wiphy,
9908 NL80211_EXT_FEATURE_MFP_OPTIONAL))
9911 connect.mfp = NL80211_MFP_NO;
9914 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9915 connect.prev_bssid =
9916 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9918 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9919 connect.channel = nl80211_get_valid_chan(
9920 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9921 if (!connect.channel)
9923 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
9924 connect.channel_hint = nl80211_get_valid_chan(
9925 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
9926 if (!connect.channel_hint)
9930 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
9931 connect.edmg.channels =
9932 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
9934 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
9935 connect.edmg.bw_config =
9936 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
9939 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9940 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
9941 if (IS_ERR(connkeys))
9942 return PTR_ERR(connkeys);
9945 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9946 connect.flags |= ASSOC_REQ_DISABLE_HT;
9948 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9949 memcpy(&connect.ht_capa_mask,
9950 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9951 sizeof(connect.ht_capa_mask));
9953 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9954 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
9958 memcpy(&connect.ht_capa,
9959 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9960 sizeof(connect.ht_capa));
9963 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9964 connect.flags |= ASSOC_REQ_DISABLE_VHT;
9966 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9967 memcpy(&connect.vht_capa_mask,
9968 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9969 sizeof(connect.vht_capa_mask));
9971 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9972 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
9976 memcpy(&connect.vht_capa,
9977 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9978 sizeof(connect.vht_capa));
9981 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9982 if (!((rdev->wiphy.features &
9983 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9984 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9985 !wiphy_ext_feature_isset(&rdev->wiphy,
9986 NL80211_EXT_FEATURE_RRM)) {
9990 connect.flags |= ASSOC_REQ_USE_RRM;
9993 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
9994 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
9999 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10000 /* bss selection makes no sense if bssid is set */
10001 if (connect.bssid) {
10006 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10007 wiphy, &connect.bss_select);
10014 if (wiphy_ext_feature_isset(&rdev->wiphy,
10015 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10016 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10017 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10018 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10019 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10020 connect.fils_erp_username =
10021 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10022 connect.fils_erp_username_len =
10023 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10024 connect.fils_erp_realm =
10025 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10026 connect.fils_erp_realm_len =
10027 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10028 connect.fils_erp_next_seq_num =
10030 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10031 connect.fils_erp_rrk =
10032 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10033 connect.fils_erp_rrk_len =
10034 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10035 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10036 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10037 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10038 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10043 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10044 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10046 GENL_SET_ERR_MSG(info,
10047 "external auth requires connection ownership");
10050 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10053 wdev_lock(dev->ieee80211_ptr);
10055 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10056 connect.prev_bssid);
10060 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10061 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10063 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10064 connect.bssid, ETH_ALEN);
10066 memset(dev->ieee80211_ptr->disconnect_bssid,
10070 wdev_unlock(dev->ieee80211_ptr);
10075 static int nl80211_update_connect_params(struct sk_buff *skb,
10076 struct genl_info *info)
10078 struct cfg80211_connect_params connect = {};
10079 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10080 struct net_device *dev = info->user_ptr[1];
10081 struct wireless_dev *wdev = dev->ieee80211_ptr;
10082 bool fils_sk_offload;
10087 if (!rdev->ops->update_connect_params)
10088 return -EOPNOTSUPP;
10090 if (info->attrs[NL80211_ATTR_IE]) {
10091 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10092 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10093 changed |= UPDATE_ASSOC_IES;
10096 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10097 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10100 * when driver supports fils-sk offload all attributes must be
10101 * provided. So the else covers "fils-sk-not-all" and
10102 * "no-fils-sk-any".
10104 if (fils_sk_offload &&
10105 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10106 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10107 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10108 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10109 connect.fils_erp_username =
10110 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10111 connect.fils_erp_username_len =
10112 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10113 connect.fils_erp_realm =
10114 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10115 connect.fils_erp_realm_len =
10116 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10117 connect.fils_erp_next_seq_num =
10119 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10120 connect.fils_erp_rrk =
10121 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10122 connect.fils_erp_rrk_len =
10123 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10124 changed |= UPDATE_FILS_ERP_INFO;
10125 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10126 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10127 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10128 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10132 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10133 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10134 if (!nl80211_valid_auth_type(rdev, auth_type,
10135 NL80211_CMD_CONNECT))
10138 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
10139 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
10142 connect.auth_type = auth_type;
10143 changed |= UPDATE_AUTH_TYPE;
10146 wdev_lock(dev->ieee80211_ptr);
10147 if (!wdev->current_bss)
10150 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
10151 wdev_unlock(dev->ieee80211_ptr);
10156 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
10158 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10159 struct net_device *dev = info->user_ptr[1];
10163 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10164 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10167 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10168 reason = WLAN_REASON_DEAUTH_LEAVING;
10170 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10175 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10176 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10177 return -EOPNOTSUPP;
10179 wdev_lock(dev->ieee80211_ptr);
10180 ret = cfg80211_disconnect(rdev, dev, reason, true);
10181 wdev_unlock(dev->ieee80211_ptr);
10185 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
10187 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10191 if (info->attrs[NL80211_ATTR_PID]) {
10192 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
10194 net = get_net_ns_by_pid(pid);
10195 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
10196 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
10198 net = get_net_ns_by_fd(fd);
10204 return PTR_ERR(net);
10208 /* check if anything to do */
10209 if (!net_eq(wiphy_net(&rdev->wiphy), net))
10210 err = cfg80211_switch_netns(rdev, net);
10216 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10218 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10219 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10220 struct cfg80211_pmksa *pmksa) = NULL;
10221 struct net_device *dev = info->user_ptr[1];
10222 struct cfg80211_pmksa pmksa;
10224 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10226 if (!info->attrs[NL80211_ATTR_PMKID])
10229 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
10231 if (info->attrs[NL80211_ATTR_MAC]) {
10232 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10233 } else if (info->attrs[NL80211_ATTR_SSID] &&
10234 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10235 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10236 info->attrs[NL80211_ATTR_PMK])) {
10237 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10238 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10240 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10244 if (info->attrs[NL80211_ATTR_PMK]) {
10245 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10246 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10249 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10250 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10251 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10252 wiphy_ext_feature_isset(&rdev->wiphy,
10253 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
10254 return -EOPNOTSUPP;
10256 switch (info->genlhdr->cmd) {
10257 case NL80211_CMD_SET_PMKSA:
10258 rdev_ops = rdev->ops->set_pmksa;
10260 case NL80211_CMD_DEL_PMKSA:
10261 rdev_ops = rdev->ops->del_pmksa;
10269 return -EOPNOTSUPP;
10271 return rdev_ops(&rdev->wiphy, dev, &pmksa);
10274 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10276 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10277 struct net_device *dev = info->user_ptr[1];
10279 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10280 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10281 return -EOPNOTSUPP;
10283 if (!rdev->ops->flush_pmksa)
10284 return -EOPNOTSUPP;
10286 return rdev_flush_pmksa(rdev, dev);
10289 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10291 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10292 struct net_device *dev = info->user_ptr[1];
10293 u8 action_code, dialog_token;
10294 u32 peer_capability = 0;
10299 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10300 !rdev->ops->tdls_mgmt)
10301 return -EOPNOTSUPP;
10303 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10304 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10305 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10306 !info->attrs[NL80211_ATTR_IE] ||
10307 !info->attrs[NL80211_ATTR_MAC])
10310 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10311 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10312 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10313 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
10314 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
10315 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10317 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
10319 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
10320 dialog_token, status_code, peer_capability,
10322 nla_data(info->attrs[NL80211_ATTR_IE]),
10323 nla_len(info->attrs[NL80211_ATTR_IE]));
10326 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10328 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10329 struct net_device *dev = info->user_ptr[1];
10330 enum nl80211_tdls_operation operation;
10333 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10334 !rdev->ops->tdls_oper)
10335 return -EOPNOTSUPP;
10337 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10338 !info->attrs[NL80211_ATTR_MAC])
10341 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10342 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10344 return rdev_tdls_oper(rdev, dev, peer, operation);
10347 static int nl80211_remain_on_channel(struct sk_buff *skb,
10348 struct genl_info *info)
10350 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10351 struct wireless_dev *wdev = info->user_ptr[1];
10352 struct cfg80211_chan_def chandef;
10353 const struct cfg80211_chan_def *compat_chandef;
10354 struct sk_buff *msg;
10360 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10361 !info->attrs[NL80211_ATTR_DURATION])
10364 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10366 if (!rdev->ops->remain_on_channel ||
10367 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
10368 return -EOPNOTSUPP;
10371 * We should be on that channel for at least a minimum amount of
10372 * time (10ms) but no longer than the driver supports.
10374 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10375 duration > rdev->wiphy.max_remain_on_channel_duration)
10378 err = nl80211_parse_chandef(rdev, info, &chandef);
10383 if (!cfg80211_off_channel_oper_allowed(wdev) &&
10384 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
10385 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
10387 if (compat_chandef != &chandef) {
10394 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10398 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10399 NL80211_CMD_REMAIN_ON_CHANNEL);
10405 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
10406 duration, &cookie);
10411 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10413 goto nla_put_failure;
10415 genlmsg_end(msg, hdr);
10417 return genlmsg_reply(msg, info);
10426 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
10427 struct genl_info *info)
10429 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10430 struct wireless_dev *wdev = info->user_ptr[1];
10433 if (!info->attrs[NL80211_ATTR_COOKIE])
10436 if (!rdev->ops->cancel_remain_on_channel)
10437 return -EOPNOTSUPP;
10439 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10441 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
10444 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
10445 struct genl_info *info)
10447 struct cfg80211_bitrate_mask mask;
10448 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10449 struct net_device *dev = info->user_ptr[1];
10452 if (!rdev->ops->set_bitrate_mask)
10453 return -EOPNOTSUPP;
10455 err = nl80211_parse_tx_bitrate_mask(info, &mask);
10459 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
10462 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
10464 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10465 struct wireless_dev *wdev = info->user_ptr[1];
10466 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
10468 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
10471 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
10472 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
10474 switch (wdev->iftype) {
10475 case NL80211_IFTYPE_STATION:
10476 case NL80211_IFTYPE_ADHOC:
10477 case NL80211_IFTYPE_P2P_CLIENT:
10478 case NL80211_IFTYPE_AP:
10479 case NL80211_IFTYPE_AP_VLAN:
10480 case NL80211_IFTYPE_MESH_POINT:
10481 case NL80211_IFTYPE_P2P_GO:
10482 case NL80211_IFTYPE_P2P_DEVICE:
10484 case NL80211_IFTYPE_NAN:
10486 return -EOPNOTSUPP;
10489 /* not much point in registering if we can't reply */
10490 if (!rdev->ops->mgmt_tx)
10491 return -EOPNOTSUPP;
10493 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
10494 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10495 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
10498 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
10500 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10501 struct wireless_dev *wdev = info->user_ptr[1];
10502 struct cfg80211_chan_def chandef;
10506 struct sk_buff *msg = NULL;
10507 struct cfg80211_mgmt_tx_params params = {
10508 .dont_wait_for_ack =
10509 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
10512 if (!info->attrs[NL80211_ATTR_FRAME])
10515 if (!rdev->ops->mgmt_tx)
10516 return -EOPNOTSUPP;
10518 switch (wdev->iftype) {
10519 case NL80211_IFTYPE_P2P_DEVICE:
10520 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10522 case NL80211_IFTYPE_STATION:
10523 case NL80211_IFTYPE_ADHOC:
10524 case NL80211_IFTYPE_P2P_CLIENT:
10525 case NL80211_IFTYPE_AP:
10526 case NL80211_IFTYPE_AP_VLAN:
10527 case NL80211_IFTYPE_MESH_POINT:
10528 case NL80211_IFTYPE_P2P_GO:
10530 case NL80211_IFTYPE_NAN:
10532 return -EOPNOTSUPP;
10535 if (info->attrs[NL80211_ATTR_DURATION]) {
10536 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10538 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10541 * We should wait on the channel for at least a minimum amount
10542 * of time (10ms) but no longer than the driver supports.
10544 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10545 params.wait > rdev->wiphy.max_remain_on_channel_duration)
10549 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
10551 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10554 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
10556 /* get the channel if any has been specified, otherwise pass NULL to
10557 * the driver. The latter will use the current one
10559 chandef.chan = NULL;
10560 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10561 err = nl80211_parse_chandef(rdev, info, &chandef);
10566 if (!chandef.chan && params.offchan)
10570 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
10576 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
10577 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
10579 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
10580 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10583 if (len % sizeof(u16))
10586 params.n_csa_offsets = len / sizeof(u16);
10587 params.csa_offsets =
10588 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10590 /* check that all the offsets fit the frame */
10591 for (i = 0; i < params.n_csa_offsets; i++) {
10592 if (params.csa_offsets[i] >= params.len)
10597 if (!params.dont_wait_for_ack) {
10598 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10602 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10603 NL80211_CMD_FRAME);
10610 params.chan = chandef.chan;
10611 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
10616 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10618 goto nla_put_failure;
10620 genlmsg_end(msg, hdr);
10621 return genlmsg_reply(msg, info);
10633 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
10635 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10636 struct wireless_dev *wdev = info->user_ptr[1];
10639 if (!info->attrs[NL80211_ATTR_COOKIE])
10642 if (!rdev->ops->mgmt_tx_cancel_wait)
10643 return -EOPNOTSUPP;
10645 switch (wdev->iftype) {
10646 case NL80211_IFTYPE_STATION:
10647 case NL80211_IFTYPE_ADHOC:
10648 case NL80211_IFTYPE_P2P_CLIENT:
10649 case NL80211_IFTYPE_AP:
10650 case NL80211_IFTYPE_AP_VLAN:
10651 case NL80211_IFTYPE_P2P_GO:
10652 case NL80211_IFTYPE_P2P_DEVICE:
10654 case NL80211_IFTYPE_NAN:
10656 return -EOPNOTSUPP;
10659 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10661 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
10664 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
10666 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10667 struct wireless_dev *wdev;
10668 struct net_device *dev = info->user_ptr[1];
10673 if (!info->attrs[NL80211_ATTR_PS_STATE])
10676 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
10678 wdev = dev->ieee80211_ptr;
10680 if (!rdev->ops->set_power_mgmt)
10681 return -EOPNOTSUPP;
10683 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
10685 if (state == wdev->ps)
10688 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
10694 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
10696 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10697 enum nl80211_ps_state ps_state;
10698 struct wireless_dev *wdev;
10699 struct net_device *dev = info->user_ptr[1];
10700 struct sk_buff *msg;
10704 wdev = dev->ieee80211_ptr;
10706 if (!rdev->ops->set_power_mgmt)
10707 return -EOPNOTSUPP;
10709 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10713 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10714 NL80211_CMD_GET_POWER_SAVE);
10721 ps_state = NL80211_PS_ENABLED;
10723 ps_state = NL80211_PS_DISABLED;
10725 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
10726 goto nla_put_failure;
10728 genlmsg_end(msg, hdr);
10729 return genlmsg_reply(msg, info);
10738 static const struct nla_policy
10739 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
10740 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
10741 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
10742 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
10743 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
10744 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
10745 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
10746 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
10749 static int nl80211_set_cqm_txe(struct genl_info *info,
10750 u32 rate, u32 pkts, u32 intvl)
10752 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10753 struct net_device *dev = info->user_ptr[1];
10754 struct wireless_dev *wdev = dev->ieee80211_ptr;
10756 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
10759 if (!rdev->ops->set_cqm_txe_config)
10760 return -EOPNOTSUPP;
10762 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10763 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10764 return -EOPNOTSUPP;
10766 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
10769 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
10770 struct net_device *dev)
10772 struct wireless_dev *wdev = dev->ieee80211_ptr;
10773 s32 last, low, high;
10775 int i, n, low_index;
10778 /* RSSI reporting disabled? */
10779 if (!wdev->cqm_config)
10780 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
10783 * Obtain current RSSI value if possible, if not and no RSSI threshold
10784 * event has been received yet, we should receive an event after a
10785 * connection is established and enough beacons received to calculate
10788 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
10789 rdev->ops->get_station) {
10790 struct station_info sinfo = {};
10793 mac_addr = wdev->current_bss->pub.bssid;
10795 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
10799 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
10800 wdev->cqm_config->last_rssi_event_value =
10801 (s8) sinfo.rx_beacon_signal_avg;
10804 last = wdev->cqm_config->last_rssi_event_value;
10805 hyst = wdev->cqm_config->rssi_hyst;
10806 n = wdev->cqm_config->n_rssi_thresholds;
10808 for (i = 0; i < n; i++) {
10809 i = array_index_nospec(i, n);
10810 if (last < wdev->cqm_config->rssi_thresholds[i])
10815 if (low_index >= 0) {
10816 low_index = array_index_nospec(low_index, n);
10817 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
10822 i = array_index_nospec(i, n);
10823 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
10828 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
10831 static int nl80211_set_cqm_rssi(struct genl_info *info,
10832 const s32 *thresholds, int n_thresholds,
10835 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10836 struct net_device *dev = info->user_ptr[1];
10837 struct wireless_dev *wdev = dev->ieee80211_ptr;
10839 s32 prev = S32_MIN;
10841 /* Check all values negative and sorted */
10842 for (i = 0; i < n_thresholds; i++) {
10843 if (thresholds[i] > 0 || thresholds[i] <= prev)
10846 prev = thresholds[i];
10849 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10850 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10851 return -EOPNOTSUPP;
10854 cfg80211_cqm_config_free(wdev);
10857 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
10858 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
10859 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
10861 return rdev_set_cqm_rssi_config(rdev, dev,
10862 thresholds[0], hysteresis);
10865 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10866 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
10867 return -EOPNOTSUPP;
10869 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
10873 if (n_thresholds) {
10874 struct cfg80211_cqm_config *cqm_config;
10876 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
10877 n_thresholds * sizeof(s32), GFP_KERNEL);
10883 cqm_config->rssi_hyst = hysteresis;
10884 cqm_config->n_rssi_thresholds = n_thresholds;
10885 memcpy(cqm_config->rssi_thresholds, thresholds,
10886 n_thresholds * sizeof(s32));
10888 wdev->cqm_config = cqm_config;
10891 err = cfg80211_cqm_rssi_update(rdev, dev);
10899 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
10901 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
10902 struct nlattr *cqm;
10905 cqm = info->attrs[NL80211_ATTR_CQM];
10909 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
10910 nl80211_attr_cqm_policy,
10915 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
10916 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
10917 const s32 *thresholds =
10918 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10919 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10920 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
10925 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
10929 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
10930 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
10931 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
10932 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
10933 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
10934 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
10936 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
10942 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
10944 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10945 struct net_device *dev = info->user_ptr[1];
10946 struct ocb_setup setup = {};
10949 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10953 return cfg80211_join_ocb(rdev, dev, &setup);
10956 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
10958 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10959 struct net_device *dev = info->user_ptr[1];
10961 return cfg80211_leave_ocb(rdev, dev);
10964 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
10966 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10967 struct net_device *dev = info->user_ptr[1];
10968 struct mesh_config cfg;
10969 struct mesh_setup setup;
10972 /* start with default */
10973 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
10974 memcpy(&setup, &default_mesh_setup, sizeof(setup));
10976 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
10977 /* and parse parameters if given */
10978 err = nl80211_parse_mesh_config(info, &cfg, NULL);
10983 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
10984 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
10987 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
10988 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
10990 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10991 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
10992 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10995 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
10996 setup.beacon_interval =
10997 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10999 err = cfg80211_validate_beacon_int(rdev,
11000 NL80211_IFTYPE_MESH_POINT,
11001 setup.beacon_interval);
11006 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11007 setup.dtim_period =
11008 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11009 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11013 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11014 /* parse additional setup parameters if given */
11015 err = nl80211_parse_mesh_setup(info, &setup);
11020 if (setup.user_mpm)
11021 cfg.auto_open_plinks = false;
11023 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11024 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11028 /* __cfg80211_join_mesh() will sort it out */
11029 setup.chandef.chan = NULL;
11032 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11033 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11035 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11036 struct ieee80211_supported_band *sband;
11038 if (!setup.chandef.chan)
11041 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11043 err = ieee80211_get_ratemask(sband, rates, n_rates,
11044 &setup.basic_rates);
11049 if (info->attrs[NL80211_ATTR_TX_RATES]) {
11050 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
11054 if (!setup.chandef.chan)
11057 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11058 &setup.beacon_rate);
11063 setup.userspace_handles_dfs =
11064 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11066 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11067 int r = validate_pae_over_nl80211(rdev, info);
11072 setup.control_port_over_nl80211 = true;
11075 wdev_lock(dev->ieee80211_ptr);
11076 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11077 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11078 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11079 wdev_unlock(dev->ieee80211_ptr);
11084 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11086 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11087 struct net_device *dev = info->user_ptr[1];
11089 return cfg80211_leave_mesh(rdev, dev);
11093 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11094 struct cfg80211_registered_device *rdev)
11096 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
11097 struct nlattr *nl_pats, *nl_pat;
11100 if (!wowlan->n_patterns)
11103 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
11107 for (i = 0; i < wowlan->n_patterns; i++) {
11108 nl_pat = nla_nest_start_noflag(msg, i + 1);
11111 pat_len = wowlan->patterns[i].pattern_len;
11112 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
11113 wowlan->patterns[i].mask) ||
11114 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11115 wowlan->patterns[i].pattern) ||
11116 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11117 wowlan->patterns[i].pkt_offset))
11119 nla_nest_end(msg, nl_pat);
11121 nla_nest_end(msg, nl_pats);
11126 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
11127 struct cfg80211_wowlan_tcp *tcp)
11129 struct nlattr *nl_tcp;
11134 nl_tcp = nla_nest_start_noflag(msg,
11135 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
11139 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
11140 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
11141 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
11142 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
11143 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
11144 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
11145 tcp->payload_len, tcp->payload) ||
11146 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
11147 tcp->data_interval) ||
11148 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
11149 tcp->wake_len, tcp->wake_data) ||
11150 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
11151 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
11154 if (tcp->payload_seq.len &&
11155 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
11156 sizeof(tcp->payload_seq), &tcp->payload_seq))
11159 if (tcp->payload_tok.len &&
11160 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
11161 sizeof(tcp->payload_tok) + tcp->tokens_size,
11162 &tcp->payload_tok))
11165 nla_nest_end(msg, nl_tcp);
11170 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
11171 struct cfg80211_sched_scan_request *req)
11173 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
11179 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
11183 if (req->n_scan_plans == 1 &&
11184 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
11185 req->scan_plans[0].interval * 1000))
11188 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
11191 if (req->relative_rssi_set) {
11192 struct nl80211_bss_select_rssi_adjust rssi_adjust;
11194 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
11195 req->relative_rssi))
11198 rssi_adjust.band = req->rssi_adjust.band;
11199 rssi_adjust.delta = req->rssi_adjust.delta;
11200 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
11201 sizeof(rssi_adjust), &rssi_adjust))
11205 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
11209 for (i = 0; i < req->n_channels; i++) {
11210 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
11214 nla_nest_end(msg, freqs);
11216 if (req->n_match_sets) {
11217 matches = nla_nest_start_noflag(msg,
11218 NL80211_ATTR_SCHED_SCAN_MATCH);
11222 for (i = 0; i < req->n_match_sets; i++) {
11223 match = nla_nest_start_noflag(msg, i);
11227 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11228 req->match_sets[i].ssid.ssid_len,
11229 req->match_sets[i].ssid.ssid))
11231 nla_nest_end(msg, match);
11233 nla_nest_end(msg, matches);
11236 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
11240 for (i = 0; i < req->n_scan_plans; i++) {
11241 scan_plan = nla_nest_start_noflag(msg, i + 1);
11245 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
11246 req->scan_plans[i].interval) ||
11247 (req->scan_plans[i].iterations &&
11248 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11249 req->scan_plans[i].iterations)))
11251 nla_nest_end(msg, scan_plan);
11253 nla_nest_end(msg, scan_plans);
11255 nla_nest_end(msg, nd);
11260 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11262 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11263 struct sk_buff *msg;
11265 u32 size = NLMSG_DEFAULT_SIZE;
11267 if (!rdev->wiphy.wowlan)
11268 return -EOPNOTSUPP;
11270 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
11271 /* adjust size to have room for all the data */
11272 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11273 rdev->wiphy.wowlan_config->tcp->payload_len +
11274 rdev->wiphy.wowlan_config->tcp->wake_len +
11275 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
11278 msg = nlmsg_new(size, GFP_KERNEL);
11282 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11283 NL80211_CMD_GET_WOWLAN);
11285 goto nla_put_failure;
11287 if (rdev->wiphy.wowlan_config) {
11288 struct nlattr *nl_wowlan;
11290 nl_wowlan = nla_nest_start_noflag(msg,
11291 NL80211_ATTR_WOWLAN_TRIGGERS);
11293 goto nla_put_failure;
11295 if ((rdev->wiphy.wowlan_config->any &&
11296 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
11297 (rdev->wiphy.wowlan_config->disconnect &&
11298 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
11299 (rdev->wiphy.wowlan_config->magic_pkt &&
11300 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
11301 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
11302 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
11303 (rdev->wiphy.wowlan_config->eap_identity_req &&
11304 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
11305 (rdev->wiphy.wowlan_config->four_way_handshake &&
11306 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
11307 (rdev->wiphy.wowlan_config->rfkill_release &&
11308 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11309 goto nla_put_failure;
11311 if (nl80211_send_wowlan_patterns(msg, rdev))
11312 goto nla_put_failure;
11314 if (nl80211_send_wowlan_tcp(msg,
11315 rdev->wiphy.wowlan_config->tcp))
11316 goto nla_put_failure;
11318 if (nl80211_send_wowlan_nd(
11320 rdev->wiphy.wowlan_config->nd_config))
11321 goto nla_put_failure;
11323 nla_nest_end(msg, nl_wowlan);
11326 genlmsg_end(msg, hdr);
11327 return genlmsg_reply(msg, info);
11334 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
11335 struct nlattr *attr,
11336 struct cfg80211_wowlan *trig)
11338 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
11339 struct cfg80211_wowlan_tcp *cfg;
11340 struct nl80211_wowlan_tcp_data_token *tok = NULL;
11341 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
11343 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
11346 if (!rdev->wiphy.wowlan->tcp)
11349 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
11350 nl80211_wowlan_tcp_policy, NULL);
11354 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
11355 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
11356 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
11357 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
11358 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
11359 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
11360 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
11361 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
11364 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
11365 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
11368 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
11369 rdev->wiphy.wowlan->tcp->data_interval_max ||
11370 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
11373 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
11374 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
11377 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
11378 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
11381 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
11382 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11384 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11385 tokens_size = tokln - sizeof(*tok);
11387 if (!tok->len || tokens_size % tok->len)
11389 if (!rdev->wiphy.wowlan->tcp->tok)
11391 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
11393 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
11395 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
11397 if (tok->offset + tok->len > data_size)
11401 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
11402 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
11403 if (!rdev->wiphy.wowlan->tcp->seq)
11405 if (seq->len == 0 || seq->len > 4)
11407 if (seq->len + seq->offset > data_size)
11411 size = sizeof(*cfg);
11413 size += wake_size + wake_mask_size;
11414 size += tokens_size;
11416 cfg = kzalloc(size, GFP_KERNEL);
11419 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
11420 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
11421 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
11423 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
11424 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
11428 /* allocate a socket and port for it and use it */
11429 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
11430 IPPROTO_TCP, &cfg->sock, 1);
11435 if (inet_csk_get_port(cfg->sock->sk, port)) {
11436 sock_release(cfg->sock);
11438 return -EADDRINUSE;
11440 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
11446 cfg->src_port = port;
11449 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
11450 cfg->payload_len = data_size;
11451 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
11452 memcpy((void *)cfg->payload,
11453 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
11456 cfg->payload_seq = *seq;
11457 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
11458 cfg->wake_len = wake_size;
11459 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
11460 memcpy((void *)cfg->wake_data,
11461 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
11463 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
11464 data_size + wake_size;
11465 memcpy((void *)cfg->wake_mask,
11466 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
11469 cfg->tokens_size = tokens_size;
11470 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
11478 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
11479 const struct wiphy_wowlan_support *wowlan,
11480 struct nlattr *attr,
11481 struct cfg80211_wowlan *trig)
11483 struct nlattr **tb;
11486 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
11490 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
11495 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
11496 nl80211_policy, NULL);
11500 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
11501 wowlan->max_nd_match_sets);
11502 err = PTR_ERR_OR_ZERO(trig->nd_config);
11504 trig->nd_config = NULL;
11511 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
11513 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11514 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
11515 struct cfg80211_wowlan new_triggers = {};
11516 struct cfg80211_wowlan *ntrig;
11517 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
11519 bool prev_enabled = rdev->wiphy.wowlan_config;
11520 bool regular = false;
11523 return -EOPNOTSUPP;
11525 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
11526 cfg80211_rdev_free_wowlan(rdev);
11527 rdev->wiphy.wowlan_config = NULL;
11531 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
11532 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
11533 nl80211_wowlan_policy, info->extack);
11537 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
11538 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
11540 new_triggers.any = true;
11543 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
11544 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
11546 new_triggers.disconnect = true;
11550 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
11551 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
11553 new_triggers.magic_pkt = true;
11557 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
11560 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
11561 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
11563 new_triggers.gtk_rekey_failure = true;
11567 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
11568 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
11570 new_triggers.eap_identity_req = true;
11574 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
11575 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
11577 new_triggers.four_way_handshake = true;
11581 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
11582 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
11584 new_triggers.rfkill_release = true;
11588 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
11589 struct nlattr *pat;
11590 int n_patterns = 0;
11591 int rem, pat_len, mask_len, pkt_offset;
11592 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11596 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11599 if (n_patterns > wowlan->n_patterns)
11602 new_triggers.patterns = kcalloc(n_patterns,
11603 sizeof(new_triggers.patterns[0]),
11605 if (!new_triggers.patterns)
11608 new_triggers.n_patterns = n_patterns;
11611 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11615 err = nla_parse_nested_deprecated(pat_tb,
11616 MAX_NL80211_PKTPAT,
11618 nl80211_packet_pattern_policy,
11624 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11625 !pat_tb[NL80211_PKTPAT_PATTERN])
11627 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11628 mask_len = DIV_ROUND_UP(pat_len, 8);
11629 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11631 if (pat_len > wowlan->pattern_max_len ||
11632 pat_len < wowlan->pattern_min_len)
11635 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11638 pkt_offset = nla_get_u32(
11639 pat_tb[NL80211_PKTPAT_OFFSET]);
11640 if (pkt_offset > wowlan->max_pkt_offset)
11642 new_triggers.patterns[i].pkt_offset = pkt_offset;
11644 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11649 new_triggers.patterns[i].mask = mask_pat;
11650 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11652 mask_pat += mask_len;
11653 new_triggers.patterns[i].pattern = mask_pat;
11654 new_triggers.patterns[i].pattern_len = pat_len;
11656 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11662 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
11664 err = nl80211_parse_wowlan_tcp(
11665 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
11671 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
11673 err = nl80211_parse_wowlan_nd(
11674 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
11680 /* The 'any' trigger means the device continues operating more or less
11681 * as in its normal operation mode and wakes up the host on most of the
11682 * normal interrupts (like packet RX, ...)
11683 * It therefore makes little sense to combine with the more constrained
11684 * wakeup trigger modes.
11686 if (new_triggers.any && regular) {
11691 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
11696 cfg80211_rdev_free_wowlan(rdev);
11697 rdev->wiphy.wowlan_config = ntrig;
11700 if (rdev->ops->set_wakeup &&
11701 prev_enabled != !!rdev->wiphy.wowlan_config)
11702 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
11706 for (i = 0; i < new_triggers.n_patterns; i++)
11707 kfree(new_triggers.patterns[i].mask);
11708 kfree(new_triggers.patterns);
11709 if (new_triggers.tcp && new_triggers.tcp->sock)
11710 sock_release(new_triggers.tcp->sock);
11711 kfree(new_triggers.tcp);
11712 kfree(new_triggers.nd_config);
11717 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
11718 struct cfg80211_registered_device *rdev)
11720 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
11722 struct cfg80211_coalesce_rules *rule;
11724 if (!rdev->coalesce->n_rules)
11727 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
11731 for (i = 0; i < rdev->coalesce->n_rules; i++) {
11732 nl_rule = nla_nest_start_noflag(msg, i + 1);
11736 rule = &rdev->coalesce->rules[i];
11737 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
11741 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
11745 nl_pats = nla_nest_start_noflag(msg,
11746 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
11750 for (j = 0; j < rule->n_patterns; j++) {
11751 nl_pat = nla_nest_start_noflag(msg, j + 1);
11754 pat_len = rule->patterns[j].pattern_len;
11755 if (nla_put(msg, NL80211_PKTPAT_MASK,
11756 DIV_ROUND_UP(pat_len, 8),
11757 rule->patterns[j].mask) ||
11758 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11759 rule->patterns[j].pattern) ||
11760 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11761 rule->patterns[j].pkt_offset))
11763 nla_nest_end(msg, nl_pat);
11765 nla_nest_end(msg, nl_pats);
11766 nla_nest_end(msg, nl_rule);
11768 nla_nest_end(msg, nl_rules);
11773 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
11775 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11776 struct sk_buff *msg;
11779 if (!rdev->wiphy.coalesce)
11780 return -EOPNOTSUPP;
11782 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11786 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11787 NL80211_CMD_GET_COALESCE);
11789 goto nla_put_failure;
11791 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
11792 goto nla_put_failure;
11794 genlmsg_end(msg, hdr);
11795 return genlmsg_reply(msg, info);
11802 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
11804 struct cfg80211_coalesce *coalesce = rdev->coalesce;
11806 struct cfg80211_coalesce_rules *rule;
11811 for (i = 0; i < coalesce->n_rules; i++) {
11812 rule = &coalesce->rules[i];
11813 for (j = 0; j < rule->n_patterns; j++)
11814 kfree(rule->patterns[j].mask);
11815 kfree(rule->patterns);
11817 kfree(coalesce->rules);
11819 rdev->coalesce = NULL;
11822 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
11823 struct nlattr *rule,
11824 struct cfg80211_coalesce_rules *new_rule)
11827 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11828 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
11829 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
11830 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11832 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
11833 rule, nl80211_coalesce_policy, NULL);
11837 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
11839 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
11840 if (new_rule->delay > coalesce->max_delay)
11843 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
11844 new_rule->condition =
11845 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
11847 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
11850 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11853 if (n_patterns > coalesce->n_patterns)
11856 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
11858 if (!new_rule->patterns)
11861 new_rule->n_patterns = n_patterns;
11864 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11868 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
11870 nl80211_packet_pattern_policy,
11875 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11876 !pat_tb[NL80211_PKTPAT_PATTERN])
11878 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11879 mask_len = DIV_ROUND_UP(pat_len, 8);
11880 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11882 if (pat_len > coalesce->pattern_max_len ||
11883 pat_len < coalesce->pattern_min_len)
11886 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11889 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
11890 if (pkt_offset > coalesce->max_pkt_offset)
11892 new_rule->patterns[i].pkt_offset = pkt_offset;
11894 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11898 new_rule->patterns[i].mask = mask_pat;
11899 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11902 mask_pat += mask_len;
11903 new_rule->patterns[i].pattern = mask_pat;
11904 new_rule->patterns[i].pattern_len = pat_len;
11905 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11913 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
11915 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11916 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11917 struct cfg80211_coalesce new_coalesce = {};
11918 struct cfg80211_coalesce *n_coalesce;
11919 int err, rem_rule, n_rules = 0, i, j;
11920 struct nlattr *rule;
11921 struct cfg80211_coalesce_rules *tmp_rule;
11923 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
11924 return -EOPNOTSUPP;
11926 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
11927 cfg80211_rdev_free_coalesce(rdev);
11928 rdev_set_coalesce(rdev, NULL);
11932 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11935 if (n_rules > coalesce->n_rules)
11938 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
11940 if (!new_coalesce.rules)
11943 new_coalesce.n_rules = n_rules;
11946 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11948 err = nl80211_parse_coalesce_rule(rdev, rule,
11949 &new_coalesce.rules[i]);
11956 err = rdev_set_coalesce(rdev, &new_coalesce);
11960 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
11965 cfg80211_rdev_free_coalesce(rdev);
11966 rdev->coalesce = n_coalesce;
11970 for (i = 0; i < new_coalesce.n_rules; i++) {
11971 tmp_rule = &new_coalesce.rules[i];
11972 for (j = 0; j < tmp_rule->n_patterns; j++)
11973 kfree(tmp_rule->patterns[j].mask);
11974 kfree(tmp_rule->patterns);
11976 kfree(new_coalesce.rules);
11981 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
11983 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11984 struct net_device *dev = info->user_ptr[1];
11985 struct wireless_dev *wdev = dev->ieee80211_ptr;
11986 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
11987 struct cfg80211_gtk_rekey_data rekey_data;
11990 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
11993 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
11994 info->attrs[NL80211_ATTR_REKEY_DATA],
11995 nl80211_rekey_policy, info->extack);
11999 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12000 !tb[NL80211_REKEY_DATA_KCK])
12002 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
12004 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
12006 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
12009 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12010 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12011 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
12014 if (!wdev->current_bss) {
12019 if (!rdev->ops->set_rekey_data) {
12024 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
12030 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12031 struct genl_info *info)
12033 struct net_device *dev = info->user_ptr[1];
12034 struct wireless_dev *wdev = dev->ieee80211_ptr;
12036 if (wdev->iftype != NL80211_IFTYPE_AP &&
12037 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12040 if (wdev->ap_unexpected_nlportid)
12043 wdev->ap_unexpected_nlportid = info->snd_portid;
12047 static int nl80211_probe_client(struct sk_buff *skb,
12048 struct genl_info *info)
12050 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12051 struct net_device *dev = info->user_ptr[1];
12052 struct wireless_dev *wdev = dev->ieee80211_ptr;
12053 struct sk_buff *msg;
12059 if (wdev->iftype != NL80211_IFTYPE_AP &&
12060 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12061 return -EOPNOTSUPP;
12063 if (!info->attrs[NL80211_ATTR_MAC])
12066 if (!rdev->ops->probe_client)
12067 return -EOPNOTSUPP;
12069 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12073 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12074 NL80211_CMD_PROBE_CLIENT);
12080 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12082 err = rdev_probe_client(rdev, dev, addr, &cookie);
12086 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12088 goto nla_put_failure;
12090 genlmsg_end(msg, hdr);
12092 return genlmsg_reply(msg, info);
12101 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
12103 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12104 struct cfg80211_beacon_registration *reg, *nreg;
12107 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
12108 return -EOPNOTSUPP;
12110 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
12114 /* First, check if already registered. */
12115 spin_lock_bh(&rdev->beacon_registrations_lock);
12116 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
12117 if (reg->nlportid == info->snd_portid) {
12122 /* Add it to the list */
12123 nreg->nlportid = info->snd_portid;
12124 list_add(&nreg->list, &rdev->beacon_registrations);
12126 spin_unlock_bh(&rdev->beacon_registrations_lock);
12130 spin_unlock_bh(&rdev->beacon_registrations_lock);
12135 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
12137 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12138 struct wireless_dev *wdev = info->user_ptr[1];
12141 if (!rdev->ops->start_p2p_device)
12142 return -EOPNOTSUPP;
12144 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12145 return -EOPNOTSUPP;
12147 if (wdev_running(wdev))
12150 if (rfkill_blocked(rdev->rfkill))
12153 err = rdev_start_p2p_device(rdev, wdev);
12157 wdev->is_running = true;
12163 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
12165 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12166 struct wireless_dev *wdev = info->user_ptr[1];
12168 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12169 return -EOPNOTSUPP;
12171 if (!rdev->ops->stop_p2p_device)
12172 return -EOPNOTSUPP;
12174 cfg80211_stop_p2p_device(rdev, wdev);
12179 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
12181 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12182 struct wireless_dev *wdev = info->user_ptr[1];
12183 struct cfg80211_nan_conf conf = {};
12186 if (wdev->iftype != NL80211_IFTYPE_NAN)
12187 return -EOPNOTSUPP;
12189 if (wdev_running(wdev))
12192 if (rfkill_blocked(rdev->rfkill))
12195 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
12199 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12201 if (info->attrs[NL80211_ATTR_BANDS]) {
12202 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12204 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12205 return -EOPNOTSUPP;
12207 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12210 conf.bands = bands;
12213 err = rdev_start_nan(rdev, wdev, &conf);
12217 wdev->is_running = true;
12223 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12225 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12226 struct wireless_dev *wdev = info->user_ptr[1];
12228 if (wdev->iftype != NL80211_IFTYPE_NAN)
12229 return -EOPNOTSUPP;
12231 cfg80211_stop_nan(rdev, wdev);
12236 static int validate_nan_filter(struct nlattr *filter_attr)
12238 struct nlattr *attr;
12239 int len = 0, n_entries = 0, rem;
12241 nla_for_each_nested(attr, filter_attr, rem) {
12242 len += nla_len(attr);
12252 static int handle_nan_filter(struct nlattr *attr_filter,
12253 struct cfg80211_nan_func *func,
12256 struct nlattr *attr;
12257 int n_entries, rem, i;
12258 struct cfg80211_nan_func_filter *filter;
12260 n_entries = validate_nan_filter(attr_filter);
12264 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12266 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12271 nla_for_each_nested(attr, attr_filter, rem) {
12272 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
12273 filter[i].len = nla_len(attr);
12277 func->num_tx_filters = n_entries;
12278 func->tx_filters = filter;
12280 func->num_rx_filters = n_entries;
12281 func->rx_filters = filter;
12287 static int nl80211_nan_add_func(struct sk_buff *skb,
12288 struct genl_info *info)
12290 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12291 struct wireless_dev *wdev = info->user_ptr[1];
12292 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12293 struct cfg80211_nan_func *func;
12294 struct sk_buff *msg = NULL;
12298 if (wdev->iftype != NL80211_IFTYPE_NAN)
12299 return -EOPNOTSUPP;
12301 if (!wdev_running(wdev))
12304 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
12307 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
12308 info->attrs[NL80211_ATTR_NAN_FUNC],
12309 nl80211_nan_func_policy,
12314 func = kzalloc(sizeof(*func), GFP_KERNEL);
12318 func->cookie = cfg80211_assign_cookie(rdev);
12320 if (!tb[NL80211_NAN_FUNC_TYPE] ||
12321 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
12327 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
12329 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
12334 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
12335 sizeof(func->service_id));
12337 func->close_range =
12338 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
12340 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
12341 func->serv_spec_info_len =
12342 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
12343 func->serv_spec_info =
12344 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
12345 func->serv_spec_info_len,
12347 if (!func->serv_spec_info) {
12353 if (tb[NL80211_NAN_FUNC_TTL])
12354 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
12356 switch (func->type) {
12357 case NL80211_NAN_FUNC_PUBLISH:
12358 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
12363 func->publish_type =
12364 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
12365 func->publish_bcast =
12366 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
12368 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
12369 func->publish_bcast) {
12374 case NL80211_NAN_FUNC_SUBSCRIBE:
12375 func->subscribe_active =
12376 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
12378 case NL80211_NAN_FUNC_FOLLOW_UP:
12379 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
12380 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
12381 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
12386 func->followup_id =
12387 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
12388 func->followup_reqid =
12389 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
12390 memcpy(func->followup_dest.addr,
12391 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
12392 sizeof(func->followup_dest.addr));
12403 if (tb[NL80211_NAN_FUNC_SRF]) {
12404 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
12406 err = nla_parse_nested_deprecated(srf_tb,
12407 NL80211_NAN_SRF_ATTR_MAX,
12408 tb[NL80211_NAN_FUNC_SRF],
12409 nl80211_nan_srf_policy,
12414 func->srf_include =
12415 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
12417 if (srf_tb[NL80211_NAN_SRF_BF]) {
12418 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
12419 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
12425 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
12427 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
12428 func->srf_bf_len, GFP_KERNEL);
12429 if (!func->srf_bf) {
12435 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
12437 struct nlattr *attr, *mac_attr =
12438 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
12439 int n_entries, rem, i = 0;
12446 n_entries = validate_acl_mac_addrs(mac_attr);
12447 if (n_entries <= 0) {
12452 func->srf_num_macs = n_entries;
12454 kcalloc(n_entries, sizeof(*func->srf_macs),
12456 if (!func->srf_macs) {
12461 nla_for_each_nested(attr, mac_attr, rem)
12462 memcpy(func->srf_macs[i++].addr, nla_data(attr),
12463 sizeof(*func->srf_macs));
12467 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
12468 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
12474 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
12475 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
12481 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12487 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12488 NL80211_CMD_ADD_NAN_FUNCTION);
12489 /* This can't really happen - we just allocated 4KB */
12490 if (WARN_ON(!hdr)) {
12495 err = rdev_add_nan_func(rdev, wdev, func);
12498 cfg80211_free_nan_func(func);
12503 /* propagate the instance id and cookie to userspace */
12504 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
12506 goto nla_put_failure;
12508 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12510 goto nla_put_failure;
12512 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
12513 func->instance_id))
12514 goto nla_put_failure;
12516 nla_nest_end(msg, func_attr);
12518 genlmsg_end(msg, hdr);
12519 return genlmsg_reply(msg, info);
12526 static int nl80211_nan_del_func(struct sk_buff *skb,
12527 struct genl_info *info)
12529 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12530 struct wireless_dev *wdev = info->user_ptr[1];
12533 if (wdev->iftype != NL80211_IFTYPE_NAN)
12534 return -EOPNOTSUPP;
12536 if (!wdev_running(wdev))
12539 if (!info->attrs[NL80211_ATTR_COOKIE])
12542 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12544 rdev_del_nan_func(rdev, wdev, cookie);
12549 static int nl80211_nan_change_config(struct sk_buff *skb,
12550 struct genl_info *info)
12552 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12553 struct wireless_dev *wdev = info->user_ptr[1];
12554 struct cfg80211_nan_conf conf = {};
12557 if (wdev->iftype != NL80211_IFTYPE_NAN)
12558 return -EOPNOTSUPP;
12560 if (!wdev_running(wdev))
12563 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
12565 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12566 if (conf.master_pref <= 1 || conf.master_pref == 255)
12569 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
12572 if (info->attrs[NL80211_ATTR_BANDS]) {
12573 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12575 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12576 return -EOPNOTSUPP;
12578 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12581 conf.bands = bands;
12582 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
12588 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
12591 void cfg80211_nan_match(struct wireless_dev *wdev,
12592 struct cfg80211_nan_match_params *match, gfp_t gfp)
12594 struct wiphy *wiphy = wdev->wiphy;
12595 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12596 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
12597 struct sk_buff *msg;
12600 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
12603 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12607 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
12613 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12614 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12615 wdev->netdev->ifindex)) ||
12616 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12618 goto nla_put_failure;
12620 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
12621 NL80211_ATTR_PAD) ||
12622 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
12623 goto nla_put_failure;
12625 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
12627 goto nla_put_failure;
12629 local_func_attr = nla_nest_start_noflag(msg,
12630 NL80211_NAN_MATCH_FUNC_LOCAL);
12631 if (!local_func_attr)
12632 goto nla_put_failure;
12634 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
12635 goto nla_put_failure;
12637 nla_nest_end(msg, local_func_attr);
12639 peer_func_attr = nla_nest_start_noflag(msg,
12640 NL80211_NAN_MATCH_FUNC_PEER);
12641 if (!peer_func_attr)
12642 goto nla_put_failure;
12644 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
12645 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
12646 goto nla_put_failure;
12648 if (match->info && match->info_len &&
12649 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
12651 goto nla_put_failure;
12653 nla_nest_end(msg, peer_func_attr);
12654 nla_nest_end(msg, match_attr);
12655 genlmsg_end(msg, hdr);
12657 if (!wdev->owner_nlportid)
12658 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12659 msg, 0, NL80211_MCGRP_NAN, gfp);
12661 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12662 wdev->owner_nlportid);
12669 EXPORT_SYMBOL(cfg80211_nan_match);
12671 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
12673 enum nl80211_nan_func_term_reason reason,
12674 u64 cookie, gfp_t gfp)
12676 struct wiphy *wiphy = wdev->wiphy;
12677 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12678 struct sk_buff *msg;
12679 struct nlattr *func_attr;
12682 if (WARN_ON(!inst_id))
12685 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12689 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
12695 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12696 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12697 wdev->netdev->ifindex)) ||
12698 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12700 goto nla_put_failure;
12702 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12704 goto nla_put_failure;
12706 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12708 goto nla_put_failure;
12710 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
12711 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
12712 goto nla_put_failure;
12714 nla_nest_end(msg, func_attr);
12715 genlmsg_end(msg, hdr);
12717 if (!wdev->owner_nlportid)
12718 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12719 msg, 0, NL80211_MCGRP_NAN, gfp);
12721 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12722 wdev->owner_nlportid);
12729 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
12731 static int nl80211_get_protocol_features(struct sk_buff *skb,
12732 struct genl_info *info)
12735 struct sk_buff *msg;
12737 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12741 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12742 NL80211_CMD_GET_PROTOCOL_FEATURES);
12744 goto nla_put_failure;
12746 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
12747 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
12748 goto nla_put_failure;
12750 genlmsg_end(msg, hdr);
12751 return genlmsg_reply(msg, info);
12758 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
12760 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12761 struct cfg80211_update_ft_ies_params ft_params;
12762 struct net_device *dev = info->user_ptr[1];
12764 if (!rdev->ops->update_ft_ies)
12765 return -EOPNOTSUPP;
12767 if (!info->attrs[NL80211_ATTR_MDID] ||
12768 !info->attrs[NL80211_ATTR_IE])
12771 memset(&ft_params, 0, sizeof(ft_params));
12772 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
12773 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12774 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12776 return rdev_update_ft_ies(rdev, dev, &ft_params);
12779 static int nl80211_crit_protocol_start(struct sk_buff *skb,
12780 struct genl_info *info)
12782 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12783 struct wireless_dev *wdev = info->user_ptr[1];
12784 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
12788 if (!rdev->ops->crit_proto_start)
12789 return -EOPNOTSUPP;
12791 if (WARN_ON(!rdev->ops->crit_proto_stop))
12794 if (rdev->crit_proto_nlportid)
12797 /* determine protocol if provided */
12798 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
12799 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
12801 if (proto >= NUM_NL80211_CRIT_PROTO)
12804 /* timeout must be provided */
12805 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
12809 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
12811 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
12814 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
12816 rdev->crit_proto_nlportid = info->snd_portid;
12821 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
12822 struct genl_info *info)
12824 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12825 struct wireless_dev *wdev = info->user_ptr[1];
12827 if (!rdev->ops->crit_proto_stop)
12828 return -EOPNOTSUPP;
12830 if (rdev->crit_proto_nlportid) {
12831 rdev->crit_proto_nlportid = 0;
12832 rdev_crit_proto_stop(rdev, wdev);
12837 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
12838 struct nlattr *attr,
12839 struct netlink_ext_ack *extack)
12841 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
12842 if (attr->nla_type & NLA_F_NESTED) {
12843 NL_SET_ERR_MSG_ATTR(extack, attr,
12844 "unexpected nested data");
12851 if (!(attr->nla_type & NLA_F_NESTED)) {
12852 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
12856 return nl80211_validate_nested(attr, vcmd->maxattr, vcmd->policy,
12860 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
12862 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12863 struct wireless_dev *wdev =
12864 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
12868 if (!rdev->wiphy.vendor_commands)
12869 return -EOPNOTSUPP;
12871 if (IS_ERR(wdev)) {
12872 err = PTR_ERR(wdev);
12873 if (err != -EINVAL)
12876 } else if (wdev->wiphy != &rdev->wiphy) {
12880 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
12881 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
12884 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
12885 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
12886 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
12887 const struct wiphy_vendor_command *vcmd;
12891 vcmd = &rdev->wiphy.vendor_commands[i];
12893 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12896 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12897 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12900 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12904 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12905 if (!wdev_running(wdev))
12910 return -EOPNOTSUPP;
12915 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
12916 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12917 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12919 err = nl80211_vendor_check_policy(vcmd,
12920 info->attrs[NL80211_ATTR_VENDOR_DATA],
12926 rdev->cur_cmd_info = info;
12927 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
12928 rdev->cur_cmd_info = NULL;
12932 return -EOPNOTSUPP;
12935 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
12936 struct netlink_callback *cb,
12937 struct cfg80211_registered_device **rdev,
12938 struct wireless_dev **wdev)
12940 struct nlattr **attrbuf;
12946 unsigned int data_len = 0;
12949 /* subtract the 1 again here */
12950 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
12951 struct wireless_dev *tmp;
12955 *rdev = wiphy_to_rdev(wiphy);
12959 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
12960 if (tmp->identifier == cb->args[1] - 1) {
12967 /* keep rtnl locked in successful case */
12971 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
12975 err = nlmsg_parse_deprecated(cb->nlh,
12976 GENL_HDRLEN + nl80211_fam.hdrsize,
12977 attrbuf, nl80211_fam.maxattr,
12978 nl80211_policy, NULL);
12982 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
12983 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
12988 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
12992 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
12993 if (IS_ERR(*rdev)) {
12994 err = PTR_ERR(*rdev);
12998 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
12999 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
13001 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13002 const struct wiphy_vendor_command *vcmd;
13004 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13006 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13009 if (!vcmd->dumpit) {
13018 if (vcmd_idx < 0) {
13023 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13024 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13025 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13027 err = nl80211_vendor_check_policy(
13028 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13029 attrbuf[NL80211_ATTR_VENDOR_DATA],
13035 /* 0 is the first index - add 1 to parse only once */
13036 cb->args[0] = (*rdev)->wiphy_idx + 1;
13037 /* add 1 to know if it was NULL */
13038 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13039 cb->args[2] = vcmd_idx;
13040 cb->args[3] = (unsigned long)data;
13041 cb->args[4] = data_len;
13043 /* keep rtnl locked in successful case */
13050 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13051 struct netlink_callback *cb)
13053 struct cfg80211_registered_device *rdev;
13054 struct wireless_dev *wdev;
13055 unsigned int vcmd_idx;
13056 const struct wiphy_vendor_command *vcmd;
13060 struct nlattr *vendor_data;
13063 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13067 vcmd_idx = cb->args[2];
13068 data = (void *)cb->args[3];
13069 data_len = cb->args[4];
13070 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13072 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13073 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13078 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13084 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13085 if (!wdev_running(wdev)) {
13093 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13094 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13095 NL80211_CMD_VENDOR);
13099 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13100 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13102 NL80211_ATTR_PAD))) {
13103 genlmsg_cancel(skb, hdr);
13107 vendor_data = nla_nest_start_noflag(skb,
13108 NL80211_ATTR_VENDOR_DATA);
13109 if (!vendor_data) {
13110 genlmsg_cancel(skb, hdr);
13114 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
13115 (unsigned long *)&cb->args[5]);
13116 nla_nest_end(skb, vendor_data);
13118 if (err == -ENOBUFS || err == -ENOENT) {
13119 genlmsg_cancel(skb, hdr);
13122 genlmsg_cancel(skb, hdr);
13126 genlmsg_end(skb, hdr);
13135 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
13136 enum nl80211_commands cmd,
13137 enum nl80211_attrs attr,
13140 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13142 if (WARN_ON(!rdev->cur_cmd_info))
13145 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
13146 rdev->cur_cmd_info->snd_portid,
13147 rdev->cur_cmd_info->snd_seq,
13148 cmd, attr, NULL, GFP_KERNEL);
13150 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
13152 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
13154 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
13155 void *hdr = ((void **)skb->cb)[1];
13156 struct nlattr *data = ((void **)skb->cb)[2];
13158 /* clear CB data for netlink core to own from now on */
13159 memset(skb->cb, 0, sizeof(skb->cb));
13161 if (WARN_ON(!rdev->cur_cmd_info)) {
13166 nla_nest_end(skb, data);
13167 genlmsg_end(skb, hdr);
13168 return genlmsg_reply(skb, rdev->cur_cmd_info);
13170 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
13172 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
13174 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13176 if (WARN_ON(!rdev->cur_cmd_info))
13179 return rdev->cur_cmd_info->snd_portid;
13181 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
13183 static int nl80211_set_qos_map(struct sk_buff *skb,
13184 struct genl_info *info)
13186 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13187 struct cfg80211_qos_map *qos_map = NULL;
13188 struct net_device *dev = info->user_ptr[1];
13189 u8 *pos, len, num_des, des_len, des;
13192 if (!rdev->ops->set_qos_map)
13193 return -EOPNOTSUPP;
13195 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
13196 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
13197 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
13199 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
13200 len > IEEE80211_QOS_MAP_LEN_MAX)
13203 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
13207 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
13209 des_len = num_des *
13210 sizeof(struct cfg80211_dscp_exception);
13211 memcpy(qos_map->dscp_exception, pos, des_len);
13212 qos_map->num_des = num_des;
13213 for (des = 0; des < num_des; des++) {
13214 if (qos_map->dscp_exception[des].up > 7) {
13221 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
13224 wdev_lock(dev->ieee80211_ptr);
13225 ret = nl80211_key_allowed(dev->ieee80211_ptr);
13227 ret = rdev_set_qos_map(rdev, dev, qos_map);
13228 wdev_unlock(dev->ieee80211_ptr);
13234 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
13236 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13237 struct net_device *dev = info->user_ptr[1];
13238 struct wireless_dev *wdev = dev->ieee80211_ptr;
13241 u16 admitted_time = 0;
13244 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
13245 return -EOPNOTSUPP;
13247 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
13248 !info->attrs[NL80211_ATTR_USER_PRIO])
13251 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13252 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
13254 /* WMM uses TIDs 0-7 even for TSPEC */
13255 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
13256 /* TODO: handle 802.11 TSPEC/admission control
13257 * need more attributes for that (e.g. BA session requirement);
13258 * change the WMM adminssion test above to allow both then
13263 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13265 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13267 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13268 if (!admitted_time)
13273 switch (wdev->iftype) {
13274 case NL80211_IFTYPE_STATION:
13275 case NL80211_IFTYPE_P2P_CLIENT:
13276 if (wdev->current_bss)
13285 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13292 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13294 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13295 struct net_device *dev = info->user_ptr[1];
13296 struct wireless_dev *wdev = dev->ieee80211_ptr;
13301 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13304 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13305 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13308 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
13314 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
13315 struct genl_info *info)
13317 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13318 struct net_device *dev = info->user_ptr[1];
13319 struct wireless_dev *wdev = dev->ieee80211_ptr;
13320 struct cfg80211_chan_def chandef = {};
13325 if (!rdev->ops->tdls_channel_switch ||
13326 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13327 return -EOPNOTSUPP;
13329 switch (dev->ieee80211_ptr->iftype) {
13330 case NL80211_IFTYPE_STATION:
13331 case NL80211_IFTYPE_P2P_CLIENT:
13334 return -EOPNOTSUPP;
13337 if (!info->attrs[NL80211_ATTR_MAC] ||
13338 !info->attrs[NL80211_ATTR_OPER_CLASS])
13341 err = nl80211_parse_chandef(rdev, info, &chandef);
13346 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
13347 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
13348 * specification is not defined for them.
13350 if (chandef.chan->band == NL80211_BAND_2GHZ &&
13351 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
13352 chandef.width != NL80211_CHAN_WIDTH_20)
13355 /* we will be active on the TDLS link */
13356 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
13360 /* don't allow switching to DFS channels */
13361 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
13364 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13365 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
13368 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
13374 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
13375 struct genl_info *info)
13377 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13378 struct net_device *dev = info->user_ptr[1];
13379 struct wireless_dev *wdev = dev->ieee80211_ptr;
13382 if (!rdev->ops->tdls_channel_switch ||
13383 !rdev->ops->tdls_cancel_channel_switch ||
13384 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13385 return -EOPNOTSUPP;
13387 switch (dev->ieee80211_ptr->iftype) {
13388 case NL80211_IFTYPE_STATION:
13389 case NL80211_IFTYPE_P2P_CLIENT:
13392 return -EOPNOTSUPP;
13395 if (!info->attrs[NL80211_ATTR_MAC])
13398 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13401 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
13407 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
13408 struct genl_info *info)
13410 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13411 struct net_device *dev = info->user_ptr[1];
13412 struct wireless_dev *wdev = dev->ieee80211_ptr;
13413 const struct nlattr *nla;
13416 if (!rdev->ops->set_multicast_to_unicast)
13417 return -EOPNOTSUPP;
13419 if (wdev->iftype != NL80211_IFTYPE_AP &&
13420 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13421 return -EOPNOTSUPP;
13423 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
13424 enabled = nla_get_flag(nla);
13426 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
13429 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
13431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13432 struct net_device *dev = info->user_ptr[1];
13433 struct wireless_dev *wdev = dev->ieee80211_ptr;
13434 struct cfg80211_pmk_conf pmk_conf = {};
13437 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13438 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13439 return -EOPNOTSUPP;
13441 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13442 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13443 return -EOPNOTSUPP;
13445 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
13449 if (!wdev->current_bss) {
13454 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13455 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
13460 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
13461 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
13462 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
13463 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
13468 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
13469 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13471 if (r0_name_len != WLAN_PMK_NAME_LEN) {
13476 pmk_conf.pmk_r0_name =
13477 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13480 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
13486 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
13488 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13489 struct net_device *dev = info->user_ptr[1];
13490 struct wireless_dev *wdev = dev->ieee80211_ptr;
13494 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13495 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13496 return -EOPNOTSUPP;
13498 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13499 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13500 return -EOPNOTSUPP;
13502 if (!info->attrs[NL80211_ATTR_MAC])
13506 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13507 ret = rdev_del_pmk(rdev, dev, aa);
13513 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
13515 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13516 struct net_device *dev = info->user_ptr[1];
13517 struct cfg80211_external_auth_params params;
13519 if (!rdev->ops->external_auth)
13520 return -EOPNOTSUPP;
13522 if (!info->attrs[NL80211_ATTR_SSID] &&
13523 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
13524 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
13527 if (!info->attrs[NL80211_ATTR_BSSID])
13530 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
13533 memset(¶ms, 0, sizeof(params));
13535 if (info->attrs[NL80211_ATTR_SSID]) {
13536 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
13537 if (params.ssid.ssid_len == 0 ||
13538 params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
13540 memcpy(params.ssid.ssid,
13541 nla_data(info->attrs[NL80211_ATTR_SSID]),
13542 params.ssid.ssid_len);
13545 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
13548 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13550 if (info->attrs[NL80211_ATTR_PMKID])
13551 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
13553 return rdev_external_auth(rdev, dev, ¶ms);
13556 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
13558 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13559 struct net_device *dev = info->user_ptr[1];
13560 struct wireless_dev *wdev = dev->ieee80211_ptr;
13568 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13569 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
13570 return -EOPNOTSUPP;
13572 if (!rdev->ops->tx_control_port)
13573 return -EOPNOTSUPP;
13575 if (!info->attrs[NL80211_ATTR_FRAME] ||
13576 !info->attrs[NL80211_ATTR_MAC] ||
13577 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
13578 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
13584 switch (wdev->iftype) {
13585 case NL80211_IFTYPE_AP:
13586 case NL80211_IFTYPE_P2P_GO:
13587 case NL80211_IFTYPE_MESH_POINT:
13589 case NL80211_IFTYPE_ADHOC:
13590 case NL80211_IFTYPE_STATION:
13591 case NL80211_IFTYPE_P2P_CLIENT:
13592 if (wdev->current_bss)
13603 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13604 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13605 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13606 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
13608 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
13610 return rdev_tx_control_port(rdev, dev, buf, len,
13611 dest, cpu_to_be16(proto), noencrypt);
13618 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
13619 struct genl_info *info)
13621 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13622 struct net_device *dev = info->user_ptr[1];
13623 struct wireless_dev *wdev = dev->ieee80211_ptr;
13624 struct cfg80211_ftm_responder_stats ftm_stats = {};
13625 struct sk_buff *msg;
13627 struct nlattr *ftm_stats_attr;
13630 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
13631 return -EOPNOTSUPP;
13633 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
13637 if (!ftm_stats.filled)
13640 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13644 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13645 NL80211_CMD_GET_FTM_RESPONDER_STATS);
13649 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13650 goto nla_put_failure;
13652 ftm_stats_attr = nla_nest_start_noflag(msg,
13653 NL80211_ATTR_FTM_RESPONDER_STATS);
13654 if (!ftm_stats_attr)
13655 goto nla_put_failure;
13657 #define SET_FTM(field, name, type) \
13658 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13659 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13660 ftm_stats.field)) \
13661 goto nla_put_failure; } while (0)
13662 #define SET_FTM_U64(field, name) \
13663 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13664 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13665 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13666 goto nla_put_failure; } while (0)
13668 SET_FTM(success_num, SUCCESS_NUM, u32);
13669 SET_FTM(partial_num, PARTIAL_NUM, u32);
13670 SET_FTM(failed_num, FAILED_NUM, u32);
13671 SET_FTM(asap_num, ASAP_NUM, u32);
13672 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
13673 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
13674 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
13675 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
13676 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
13679 nla_nest_end(msg, ftm_stats_attr);
13681 genlmsg_end(msg, hdr);
13682 return genlmsg_reply(msg, info);
13689 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
13691 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13692 struct cfg80211_update_owe_info owe_info;
13693 struct net_device *dev = info->user_ptr[1];
13695 if (!rdev->ops->update_owe_info)
13696 return -EOPNOTSUPP;
13698 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
13699 !info->attrs[NL80211_ATTR_MAC])
13702 memset(&owe_info, 0, sizeof(owe_info));
13703 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13704 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
13706 if (info->attrs[NL80211_ATTR_IE]) {
13707 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13708 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13711 return rdev_update_owe_info(rdev, dev, &owe_info);
13714 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
13716 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13717 struct net_device *dev = info->user_ptr[1];
13718 struct wireless_dev *wdev = dev->ieee80211_ptr;
13719 struct station_info sinfo = {};
13725 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
13726 return -EOPNOTSUPP;
13728 if (!info->attrs[NL80211_ATTR_MAC] ||
13729 !info->attrs[NL80211_ATTR_FRAME]) {
13730 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
13734 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
13735 return -EOPNOTSUPP;
13737 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13738 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13739 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13741 if (len < sizeof(struct ethhdr))
13744 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
13745 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
13748 err = rdev_get_station(rdev, dev, dest, &sinfo);
13752 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
13755 #define NL80211_FLAG_NEED_WIPHY 0x01
13756 #define NL80211_FLAG_NEED_NETDEV 0x02
13757 #define NL80211_FLAG_NEED_RTNL 0x04
13758 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
13759 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
13760 NL80211_FLAG_CHECK_NETDEV_UP)
13761 #define NL80211_FLAG_NEED_WDEV 0x10
13762 /* If a netdev is associated, it must be UP, P2P must be started */
13763 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
13764 NL80211_FLAG_CHECK_NETDEV_UP)
13765 #define NL80211_FLAG_CLEAR_SKB 0x20
13767 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
13768 struct genl_info *info)
13770 struct cfg80211_registered_device *rdev;
13771 struct wireless_dev *wdev;
13772 struct net_device *dev;
13773 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
13778 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
13779 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
13780 if (IS_ERR(rdev)) {
13783 return PTR_ERR(rdev);
13785 info->user_ptr[0] = rdev;
13786 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
13787 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13790 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
13792 if (IS_ERR(wdev)) {
13795 return PTR_ERR(wdev);
13798 dev = wdev->netdev;
13799 rdev = wiphy_to_rdev(wdev->wiphy);
13801 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
13808 info->user_ptr[1] = dev;
13810 info->user_ptr[1] = wdev;
13813 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
13814 !wdev_running(wdev)) {
13823 info->user_ptr[0] = rdev;
13829 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
13830 struct genl_info *info)
13832 if (info->user_ptr[1]) {
13833 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13834 struct wireless_dev *wdev = info->user_ptr[1];
13837 dev_put(wdev->netdev);
13839 dev_put(info->user_ptr[1]);
13843 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
13846 /* If needed, clear the netlink message payload from the SKB
13847 * as it might contain key data that shouldn't stick around on
13848 * the heap after the SKB is freed. The netlink message header
13849 * is still needed for further processing, so leave it intact.
13851 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
13852 struct nlmsghdr *nlh = nlmsg_hdr(skb);
13854 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
13858 static const struct genl_ops nl80211_ops[] = {
13860 .cmd = NL80211_CMD_GET_WIPHY,
13861 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13862 .doit = nl80211_get_wiphy,
13863 .dumpit = nl80211_dump_wiphy,
13864 .done = nl80211_dump_wiphy_done,
13865 /* can be retrieved by unprivileged users */
13866 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13867 NL80211_FLAG_NEED_RTNL,
13870 .cmd = NL80211_CMD_SET_WIPHY,
13871 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13872 .doit = nl80211_set_wiphy,
13873 .flags = GENL_UNS_ADMIN_PERM,
13874 .internal_flags = NL80211_FLAG_NEED_RTNL,
13877 .cmd = NL80211_CMD_GET_INTERFACE,
13878 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13879 .doit = nl80211_get_interface,
13880 .dumpit = nl80211_dump_interface,
13881 /* can be retrieved by unprivileged users */
13882 .internal_flags = NL80211_FLAG_NEED_WDEV |
13883 NL80211_FLAG_NEED_RTNL,
13886 .cmd = NL80211_CMD_SET_INTERFACE,
13887 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13888 .doit = nl80211_set_interface,
13889 .flags = GENL_UNS_ADMIN_PERM,
13890 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13891 NL80211_FLAG_NEED_RTNL,
13894 .cmd = NL80211_CMD_NEW_INTERFACE,
13895 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13896 .doit = nl80211_new_interface,
13897 .flags = GENL_UNS_ADMIN_PERM,
13898 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13899 NL80211_FLAG_NEED_RTNL,
13902 .cmd = NL80211_CMD_DEL_INTERFACE,
13903 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13904 .doit = nl80211_del_interface,
13905 .flags = GENL_UNS_ADMIN_PERM,
13906 .internal_flags = NL80211_FLAG_NEED_WDEV |
13907 NL80211_FLAG_NEED_RTNL,
13910 .cmd = NL80211_CMD_GET_KEY,
13911 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13912 .doit = nl80211_get_key,
13913 .flags = GENL_UNS_ADMIN_PERM,
13914 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13915 NL80211_FLAG_NEED_RTNL,
13918 .cmd = NL80211_CMD_SET_KEY,
13919 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13920 .doit = nl80211_set_key,
13921 .flags = GENL_UNS_ADMIN_PERM,
13922 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13923 NL80211_FLAG_NEED_RTNL |
13924 NL80211_FLAG_CLEAR_SKB,
13927 .cmd = NL80211_CMD_NEW_KEY,
13928 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13929 .doit = nl80211_new_key,
13930 .flags = GENL_UNS_ADMIN_PERM,
13931 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13932 NL80211_FLAG_NEED_RTNL |
13933 NL80211_FLAG_CLEAR_SKB,
13936 .cmd = NL80211_CMD_DEL_KEY,
13937 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13938 .doit = nl80211_del_key,
13939 .flags = GENL_UNS_ADMIN_PERM,
13940 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13941 NL80211_FLAG_NEED_RTNL,
13944 .cmd = NL80211_CMD_SET_BEACON,
13945 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13946 .flags = GENL_UNS_ADMIN_PERM,
13947 .doit = nl80211_set_beacon,
13948 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13949 NL80211_FLAG_NEED_RTNL,
13952 .cmd = NL80211_CMD_START_AP,
13953 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13954 .flags = GENL_UNS_ADMIN_PERM,
13955 .doit = nl80211_start_ap,
13956 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13957 NL80211_FLAG_NEED_RTNL,
13960 .cmd = NL80211_CMD_STOP_AP,
13961 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13962 .flags = GENL_UNS_ADMIN_PERM,
13963 .doit = nl80211_stop_ap,
13964 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13965 NL80211_FLAG_NEED_RTNL,
13968 .cmd = NL80211_CMD_GET_STATION,
13969 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13970 .doit = nl80211_get_station,
13971 .dumpit = nl80211_dump_station,
13972 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13973 NL80211_FLAG_NEED_RTNL,
13976 .cmd = NL80211_CMD_SET_STATION,
13977 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13978 .doit = nl80211_set_station,
13979 .flags = GENL_UNS_ADMIN_PERM,
13980 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13981 NL80211_FLAG_NEED_RTNL,
13984 .cmd = NL80211_CMD_NEW_STATION,
13985 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13986 .doit = nl80211_new_station,
13987 .flags = GENL_UNS_ADMIN_PERM,
13988 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13989 NL80211_FLAG_NEED_RTNL,
13992 .cmd = NL80211_CMD_DEL_STATION,
13993 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13994 .doit = nl80211_del_station,
13995 .flags = GENL_UNS_ADMIN_PERM,
13996 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13997 NL80211_FLAG_NEED_RTNL,
14000 .cmd = NL80211_CMD_GET_MPATH,
14001 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14002 .doit = nl80211_get_mpath,
14003 .dumpit = nl80211_dump_mpath,
14004 .flags = GENL_UNS_ADMIN_PERM,
14005 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14006 NL80211_FLAG_NEED_RTNL,
14009 .cmd = NL80211_CMD_GET_MPP,
14010 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14011 .doit = nl80211_get_mpp,
14012 .dumpit = nl80211_dump_mpp,
14013 .flags = GENL_UNS_ADMIN_PERM,
14014 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14015 NL80211_FLAG_NEED_RTNL,
14018 .cmd = NL80211_CMD_SET_MPATH,
14019 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14020 .doit = nl80211_set_mpath,
14021 .flags = GENL_UNS_ADMIN_PERM,
14022 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14023 NL80211_FLAG_NEED_RTNL,
14026 .cmd = NL80211_CMD_NEW_MPATH,
14027 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14028 .doit = nl80211_new_mpath,
14029 .flags = GENL_UNS_ADMIN_PERM,
14030 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14031 NL80211_FLAG_NEED_RTNL,
14034 .cmd = NL80211_CMD_DEL_MPATH,
14035 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14036 .doit = nl80211_del_mpath,
14037 .flags = GENL_UNS_ADMIN_PERM,
14038 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14039 NL80211_FLAG_NEED_RTNL,
14042 .cmd = NL80211_CMD_SET_BSS,
14043 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14044 .doit = nl80211_set_bss,
14045 .flags = GENL_UNS_ADMIN_PERM,
14046 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14047 NL80211_FLAG_NEED_RTNL,
14050 .cmd = NL80211_CMD_GET_REG,
14051 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14052 .doit = nl80211_get_reg_do,
14053 .dumpit = nl80211_get_reg_dump,
14054 .internal_flags = NL80211_FLAG_NEED_RTNL,
14055 /* can be retrieved by unprivileged users */
14057 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
14059 .cmd = NL80211_CMD_SET_REG,
14060 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14061 .doit = nl80211_set_reg,
14062 .flags = GENL_ADMIN_PERM,
14063 .internal_flags = NL80211_FLAG_NEED_RTNL,
14067 .cmd = NL80211_CMD_REQ_SET_REG,
14068 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14069 .doit = nl80211_req_set_reg,
14070 .flags = GENL_ADMIN_PERM,
14073 .cmd = NL80211_CMD_RELOAD_REGDB,
14074 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14075 .doit = nl80211_reload_regdb,
14076 .flags = GENL_ADMIN_PERM,
14079 .cmd = NL80211_CMD_GET_MESH_CONFIG,
14080 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14081 .doit = nl80211_get_mesh_config,
14082 /* can be retrieved by unprivileged users */
14083 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14084 NL80211_FLAG_NEED_RTNL,
14087 .cmd = NL80211_CMD_SET_MESH_CONFIG,
14088 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14089 .doit = nl80211_update_mesh_config,
14090 .flags = GENL_UNS_ADMIN_PERM,
14091 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14092 NL80211_FLAG_NEED_RTNL,
14095 .cmd = NL80211_CMD_TRIGGER_SCAN,
14096 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14097 .doit = nl80211_trigger_scan,
14098 .flags = GENL_UNS_ADMIN_PERM,
14099 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14100 NL80211_FLAG_NEED_RTNL,
14103 .cmd = NL80211_CMD_ABORT_SCAN,
14104 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14105 .doit = nl80211_abort_scan,
14106 .flags = GENL_UNS_ADMIN_PERM,
14107 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14108 NL80211_FLAG_NEED_RTNL,
14111 .cmd = NL80211_CMD_GET_SCAN,
14112 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14113 .dumpit = nl80211_dump_scan,
14116 .cmd = NL80211_CMD_START_SCHED_SCAN,
14117 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14118 .doit = nl80211_start_sched_scan,
14119 .flags = GENL_UNS_ADMIN_PERM,
14120 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14121 NL80211_FLAG_NEED_RTNL,
14124 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
14125 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14126 .doit = nl80211_stop_sched_scan,
14127 .flags = GENL_UNS_ADMIN_PERM,
14128 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14129 NL80211_FLAG_NEED_RTNL,
14132 .cmd = NL80211_CMD_AUTHENTICATE,
14133 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14134 .doit = nl80211_authenticate,
14135 .flags = GENL_UNS_ADMIN_PERM,
14136 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14137 NL80211_FLAG_NEED_RTNL |
14138 NL80211_FLAG_CLEAR_SKB,
14141 .cmd = NL80211_CMD_ASSOCIATE,
14142 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14143 .doit = nl80211_associate,
14144 .flags = GENL_UNS_ADMIN_PERM,
14145 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14146 NL80211_FLAG_NEED_RTNL |
14147 NL80211_FLAG_CLEAR_SKB,
14150 .cmd = NL80211_CMD_DEAUTHENTICATE,
14151 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14152 .doit = nl80211_deauthenticate,
14153 .flags = GENL_UNS_ADMIN_PERM,
14154 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14155 NL80211_FLAG_NEED_RTNL,
14158 .cmd = NL80211_CMD_DISASSOCIATE,
14159 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14160 .doit = nl80211_disassociate,
14161 .flags = GENL_UNS_ADMIN_PERM,
14162 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14163 NL80211_FLAG_NEED_RTNL,
14166 .cmd = NL80211_CMD_JOIN_IBSS,
14167 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14168 .doit = nl80211_join_ibss,
14169 .flags = GENL_UNS_ADMIN_PERM,
14170 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14171 NL80211_FLAG_NEED_RTNL,
14174 .cmd = NL80211_CMD_LEAVE_IBSS,
14175 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14176 .doit = nl80211_leave_ibss,
14177 .flags = GENL_UNS_ADMIN_PERM,
14178 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14179 NL80211_FLAG_NEED_RTNL,
14181 #ifdef CONFIG_NL80211_TESTMODE
14183 .cmd = NL80211_CMD_TESTMODE,
14184 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14185 .doit = nl80211_testmode_do,
14186 .dumpit = nl80211_testmode_dump,
14187 .flags = GENL_UNS_ADMIN_PERM,
14188 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14189 NL80211_FLAG_NEED_RTNL,
14193 .cmd = NL80211_CMD_CONNECT,
14194 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14195 .doit = nl80211_connect,
14196 .flags = GENL_UNS_ADMIN_PERM,
14197 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14198 NL80211_FLAG_NEED_RTNL |
14199 NL80211_FLAG_CLEAR_SKB,
14202 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
14203 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14204 .doit = nl80211_update_connect_params,
14205 .flags = GENL_ADMIN_PERM,
14206 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14207 NL80211_FLAG_NEED_RTNL |
14208 NL80211_FLAG_CLEAR_SKB,
14211 .cmd = NL80211_CMD_DISCONNECT,
14212 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14213 .doit = nl80211_disconnect,
14214 .flags = GENL_UNS_ADMIN_PERM,
14215 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14216 NL80211_FLAG_NEED_RTNL,
14219 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
14220 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14221 .doit = nl80211_wiphy_netns,
14222 .flags = GENL_UNS_ADMIN_PERM,
14223 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14224 NL80211_FLAG_NEED_RTNL,
14227 .cmd = NL80211_CMD_GET_SURVEY,
14228 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14229 .dumpit = nl80211_dump_survey,
14232 .cmd = NL80211_CMD_SET_PMKSA,
14233 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14234 .doit = nl80211_setdel_pmksa,
14235 .flags = GENL_UNS_ADMIN_PERM,
14236 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14237 NL80211_FLAG_NEED_RTNL |
14238 NL80211_FLAG_CLEAR_SKB,
14241 .cmd = NL80211_CMD_DEL_PMKSA,
14242 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14243 .doit = nl80211_setdel_pmksa,
14244 .flags = GENL_UNS_ADMIN_PERM,
14245 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14246 NL80211_FLAG_NEED_RTNL,
14249 .cmd = NL80211_CMD_FLUSH_PMKSA,
14250 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14251 .doit = nl80211_flush_pmksa,
14252 .flags = GENL_UNS_ADMIN_PERM,
14253 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14254 NL80211_FLAG_NEED_RTNL,
14257 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
14258 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14259 .doit = nl80211_remain_on_channel,
14260 .flags = GENL_UNS_ADMIN_PERM,
14261 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14262 NL80211_FLAG_NEED_RTNL,
14265 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
14266 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14267 .doit = nl80211_cancel_remain_on_channel,
14268 .flags = GENL_UNS_ADMIN_PERM,
14269 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14270 NL80211_FLAG_NEED_RTNL,
14273 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
14274 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14275 .doit = nl80211_set_tx_bitrate_mask,
14276 .flags = GENL_UNS_ADMIN_PERM,
14277 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14278 NL80211_FLAG_NEED_RTNL,
14281 .cmd = NL80211_CMD_REGISTER_FRAME,
14282 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14283 .doit = nl80211_register_mgmt,
14284 .flags = GENL_UNS_ADMIN_PERM,
14285 .internal_flags = NL80211_FLAG_NEED_WDEV |
14286 NL80211_FLAG_NEED_RTNL,
14289 .cmd = NL80211_CMD_FRAME,
14290 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14291 .doit = nl80211_tx_mgmt,
14292 .flags = GENL_UNS_ADMIN_PERM,
14293 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14294 NL80211_FLAG_NEED_RTNL,
14297 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
14298 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14299 .doit = nl80211_tx_mgmt_cancel_wait,
14300 .flags = GENL_UNS_ADMIN_PERM,
14301 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14302 NL80211_FLAG_NEED_RTNL,
14305 .cmd = NL80211_CMD_SET_POWER_SAVE,
14306 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14307 .doit = nl80211_set_power_save,
14308 .flags = GENL_UNS_ADMIN_PERM,
14309 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14310 NL80211_FLAG_NEED_RTNL,
14313 .cmd = NL80211_CMD_GET_POWER_SAVE,
14314 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14315 .doit = nl80211_get_power_save,
14316 /* can be retrieved by unprivileged users */
14317 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14318 NL80211_FLAG_NEED_RTNL,
14321 .cmd = NL80211_CMD_SET_CQM,
14322 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14323 .doit = nl80211_set_cqm,
14324 .flags = GENL_UNS_ADMIN_PERM,
14325 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14326 NL80211_FLAG_NEED_RTNL,
14329 .cmd = NL80211_CMD_SET_CHANNEL,
14330 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14331 .doit = nl80211_set_channel,
14332 .flags = GENL_UNS_ADMIN_PERM,
14333 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14334 NL80211_FLAG_NEED_RTNL,
14337 .cmd = NL80211_CMD_SET_WDS_PEER,
14338 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14339 .doit = nl80211_set_wds_peer,
14340 .flags = GENL_UNS_ADMIN_PERM,
14341 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14342 NL80211_FLAG_NEED_RTNL,
14345 .cmd = NL80211_CMD_JOIN_MESH,
14346 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14347 .doit = nl80211_join_mesh,
14348 .flags = GENL_UNS_ADMIN_PERM,
14349 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14350 NL80211_FLAG_NEED_RTNL,
14353 .cmd = NL80211_CMD_LEAVE_MESH,
14354 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14355 .doit = nl80211_leave_mesh,
14356 .flags = GENL_UNS_ADMIN_PERM,
14357 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14358 NL80211_FLAG_NEED_RTNL,
14361 .cmd = NL80211_CMD_JOIN_OCB,
14362 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14363 .doit = nl80211_join_ocb,
14364 .flags = GENL_UNS_ADMIN_PERM,
14365 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14366 NL80211_FLAG_NEED_RTNL,
14369 .cmd = NL80211_CMD_LEAVE_OCB,
14370 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14371 .doit = nl80211_leave_ocb,
14372 .flags = GENL_UNS_ADMIN_PERM,
14373 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14374 NL80211_FLAG_NEED_RTNL,
14378 .cmd = NL80211_CMD_GET_WOWLAN,
14379 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14380 .doit = nl80211_get_wowlan,
14381 /* can be retrieved by unprivileged users */
14382 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14383 NL80211_FLAG_NEED_RTNL,
14386 .cmd = NL80211_CMD_SET_WOWLAN,
14387 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14388 .doit = nl80211_set_wowlan,
14389 .flags = GENL_UNS_ADMIN_PERM,
14390 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14391 NL80211_FLAG_NEED_RTNL,
14395 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
14396 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14397 .doit = nl80211_set_rekey_data,
14398 .flags = GENL_UNS_ADMIN_PERM,
14399 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14400 NL80211_FLAG_NEED_RTNL |
14401 NL80211_FLAG_CLEAR_SKB,
14404 .cmd = NL80211_CMD_TDLS_MGMT,
14405 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14406 .doit = nl80211_tdls_mgmt,
14407 .flags = GENL_UNS_ADMIN_PERM,
14408 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14409 NL80211_FLAG_NEED_RTNL,
14412 .cmd = NL80211_CMD_TDLS_OPER,
14413 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14414 .doit = nl80211_tdls_oper,
14415 .flags = GENL_UNS_ADMIN_PERM,
14416 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14417 NL80211_FLAG_NEED_RTNL,
14420 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
14421 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14422 .doit = nl80211_register_unexpected_frame,
14423 .flags = GENL_UNS_ADMIN_PERM,
14424 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14425 NL80211_FLAG_NEED_RTNL,
14428 .cmd = NL80211_CMD_PROBE_CLIENT,
14429 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14430 .doit = nl80211_probe_client,
14431 .flags = GENL_UNS_ADMIN_PERM,
14432 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14433 NL80211_FLAG_NEED_RTNL,
14436 .cmd = NL80211_CMD_REGISTER_BEACONS,
14437 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14438 .doit = nl80211_register_beacons,
14439 .flags = GENL_UNS_ADMIN_PERM,
14440 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14441 NL80211_FLAG_NEED_RTNL,
14444 .cmd = NL80211_CMD_SET_NOACK_MAP,
14445 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14446 .doit = nl80211_set_noack_map,
14447 .flags = GENL_UNS_ADMIN_PERM,
14448 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14449 NL80211_FLAG_NEED_RTNL,
14452 .cmd = NL80211_CMD_START_P2P_DEVICE,
14453 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14454 .doit = nl80211_start_p2p_device,
14455 .flags = GENL_UNS_ADMIN_PERM,
14456 .internal_flags = NL80211_FLAG_NEED_WDEV |
14457 NL80211_FLAG_NEED_RTNL,
14460 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
14461 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14462 .doit = nl80211_stop_p2p_device,
14463 .flags = GENL_UNS_ADMIN_PERM,
14464 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14465 NL80211_FLAG_NEED_RTNL,
14468 .cmd = NL80211_CMD_START_NAN,
14469 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14470 .doit = nl80211_start_nan,
14471 .flags = GENL_ADMIN_PERM,
14472 .internal_flags = NL80211_FLAG_NEED_WDEV |
14473 NL80211_FLAG_NEED_RTNL,
14476 .cmd = NL80211_CMD_STOP_NAN,
14477 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14478 .doit = nl80211_stop_nan,
14479 .flags = GENL_ADMIN_PERM,
14480 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14481 NL80211_FLAG_NEED_RTNL,
14484 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
14485 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14486 .doit = nl80211_nan_add_func,
14487 .flags = GENL_ADMIN_PERM,
14488 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14489 NL80211_FLAG_NEED_RTNL,
14492 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
14493 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14494 .doit = nl80211_nan_del_func,
14495 .flags = GENL_ADMIN_PERM,
14496 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14497 NL80211_FLAG_NEED_RTNL,
14500 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
14501 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14502 .doit = nl80211_nan_change_config,
14503 .flags = GENL_ADMIN_PERM,
14504 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14505 NL80211_FLAG_NEED_RTNL,
14508 .cmd = NL80211_CMD_SET_MCAST_RATE,
14509 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14510 .doit = nl80211_set_mcast_rate,
14511 .flags = GENL_UNS_ADMIN_PERM,
14512 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14513 NL80211_FLAG_NEED_RTNL,
14516 .cmd = NL80211_CMD_SET_MAC_ACL,
14517 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14518 .doit = nl80211_set_mac_acl,
14519 .flags = GENL_UNS_ADMIN_PERM,
14520 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14521 NL80211_FLAG_NEED_RTNL,
14524 .cmd = NL80211_CMD_RADAR_DETECT,
14525 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14526 .doit = nl80211_start_radar_detection,
14527 .flags = GENL_UNS_ADMIN_PERM,
14528 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14529 NL80211_FLAG_NEED_RTNL,
14532 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
14533 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14534 .doit = nl80211_get_protocol_features,
14537 .cmd = NL80211_CMD_UPDATE_FT_IES,
14538 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14539 .doit = nl80211_update_ft_ies,
14540 .flags = GENL_UNS_ADMIN_PERM,
14541 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14542 NL80211_FLAG_NEED_RTNL,
14545 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
14546 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14547 .doit = nl80211_crit_protocol_start,
14548 .flags = GENL_UNS_ADMIN_PERM,
14549 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14550 NL80211_FLAG_NEED_RTNL,
14553 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
14554 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14555 .doit = nl80211_crit_protocol_stop,
14556 .flags = GENL_UNS_ADMIN_PERM,
14557 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14558 NL80211_FLAG_NEED_RTNL,
14561 .cmd = NL80211_CMD_GET_COALESCE,
14562 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14563 .doit = nl80211_get_coalesce,
14564 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14565 NL80211_FLAG_NEED_RTNL,
14568 .cmd = NL80211_CMD_SET_COALESCE,
14569 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14570 .doit = nl80211_set_coalesce,
14571 .flags = GENL_UNS_ADMIN_PERM,
14572 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14573 NL80211_FLAG_NEED_RTNL,
14576 .cmd = NL80211_CMD_CHANNEL_SWITCH,
14577 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14578 .doit = nl80211_channel_switch,
14579 .flags = GENL_UNS_ADMIN_PERM,
14580 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14581 NL80211_FLAG_NEED_RTNL,
14584 .cmd = NL80211_CMD_VENDOR,
14585 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14586 .doit = nl80211_vendor_cmd,
14587 .dumpit = nl80211_vendor_cmd_dump,
14588 .flags = GENL_UNS_ADMIN_PERM,
14589 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14590 NL80211_FLAG_NEED_RTNL |
14591 NL80211_FLAG_CLEAR_SKB,
14594 .cmd = NL80211_CMD_SET_QOS_MAP,
14595 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14596 .doit = nl80211_set_qos_map,
14597 .flags = GENL_UNS_ADMIN_PERM,
14598 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14599 NL80211_FLAG_NEED_RTNL,
14602 .cmd = NL80211_CMD_ADD_TX_TS,
14603 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14604 .doit = nl80211_add_tx_ts,
14605 .flags = GENL_UNS_ADMIN_PERM,
14606 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14607 NL80211_FLAG_NEED_RTNL,
14610 .cmd = NL80211_CMD_DEL_TX_TS,
14611 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14612 .doit = nl80211_del_tx_ts,
14613 .flags = GENL_UNS_ADMIN_PERM,
14614 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14615 NL80211_FLAG_NEED_RTNL,
14618 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
14619 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14620 .doit = nl80211_tdls_channel_switch,
14621 .flags = GENL_UNS_ADMIN_PERM,
14622 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14623 NL80211_FLAG_NEED_RTNL,
14626 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
14627 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14628 .doit = nl80211_tdls_cancel_channel_switch,
14629 .flags = GENL_UNS_ADMIN_PERM,
14630 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14631 NL80211_FLAG_NEED_RTNL,
14634 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
14635 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14636 .doit = nl80211_set_multicast_to_unicast,
14637 .flags = GENL_UNS_ADMIN_PERM,
14638 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14639 NL80211_FLAG_NEED_RTNL,
14642 .cmd = NL80211_CMD_SET_PMK,
14643 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14644 .doit = nl80211_set_pmk,
14645 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14646 NL80211_FLAG_NEED_RTNL |
14647 NL80211_FLAG_CLEAR_SKB,
14650 .cmd = NL80211_CMD_DEL_PMK,
14651 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14652 .doit = nl80211_del_pmk,
14653 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14654 NL80211_FLAG_NEED_RTNL,
14657 .cmd = NL80211_CMD_EXTERNAL_AUTH,
14658 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14659 .doit = nl80211_external_auth,
14660 .flags = GENL_ADMIN_PERM,
14661 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14662 NL80211_FLAG_NEED_RTNL,
14665 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
14666 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14667 .doit = nl80211_tx_control_port,
14668 .flags = GENL_UNS_ADMIN_PERM,
14669 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14670 NL80211_FLAG_NEED_RTNL,
14673 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
14674 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14675 .doit = nl80211_get_ftm_responder_stats,
14676 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14677 NL80211_FLAG_NEED_RTNL,
14680 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
14681 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14682 .doit = nl80211_pmsr_start,
14683 .flags = GENL_UNS_ADMIN_PERM,
14684 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14685 NL80211_FLAG_NEED_RTNL,
14688 .cmd = NL80211_CMD_NOTIFY_RADAR,
14689 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14690 .doit = nl80211_notify_radar_detection,
14691 .flags = GENL_UNS_ADMIN_PERM,
14692 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14693 NL80211_FLAG_NEED_RTNL,
14696 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
14697 .doit = nl80211_update_owe_info,
14698 .flags = GENL_ADMIN_PERM,
14699 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14700 NL80211_FLAG_NEED_RTNL,
14703 .cmd = NL80211_CMD_PROBE_MESH_LINK,
14704 .doit = nl80211_probe_mesh_link,
14705 .flags = GENL_UNS_ADMIN_PERM,
14706 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14707 NL80211_FLAG_NEED_RTNL,
14711 static struct genl_family nl80211_fam __ro_after_init = {
14712 .name = NL80211_GENL_NAME, /* have users key off the name instead */
14713 .hdrsize = 0, /* no private header */
14714 .version = 1, /* no particular meaning now */
14715 .maxattr = NL80211_ATTR_MAX,
14716 .policy = nl80211_policy,
14718 .pre_doit = nl80211_pre_doit,
14719 .post_doit = nl80211_post_doit,
14720 .module = THIS_MODULE,
14721 .ops = nl80211_ops,
14722 .n_ops = ARRAY_SIZE(nl80211_ops),
14723 .mcgrps = nl80211_mcgrps,
14724 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
14725 .parallel_ops = true,
14728 /* notification functions */
14730 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
14731 enum nl80211_commands cmd)
14733 struct sk_buff *msg;
14734 struct nl80211_dump_wiphy_state state = {};
14736 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
14737 cmd != NL80211_CMD_DEL_WIPHY);
14739 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14743 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
14748 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14749 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14752 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
14753 struct wireless_dev *wdev,
14754 enum nl80211_commands cmd)
14756 struct sk_buff *msg;
14758 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14762 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
14767 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14768 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14771 static int nl80211_add_scan_req(struct sk_buff *msg,
14772 struct cfg80211_registered_device *rdev)
14774 struct cfg80211_scan_request *req = rdev->scan_req;
14775 struct nlattr *nest;
14781 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
14783 goto nla_put_failure;
14784 for (i = 0; i < req->n_ssids; i++) {
14785 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
14786 goto nla_put_failure;
14788 nla_nest_end(msg, nest);
14790 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
14792 goto nla_put_failure;
14793 for (i = 0; i < req->n_channels; i++) {
14794 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
14795 goto nla_put_failure;
14797 nla_nest_end(msg, nest);
14800 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
14801 goto nla_put_failure;
14804 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
14805 goto nla_put_failure;
14807 if (req->info.scan_start_tsf &&
14808 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
14809 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
14810 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
14811 req->info.tsf_bssid)))
14812 goto nla_put_failure;
14819 static int nl80211_prep_scan_msg(struct sk_buff *msg,
14820 struct cfg80211_registered_device *rdev,
14821 struct wireless_dev *wdev,
14822 u32 portid, u32 seq, int flags,
14827 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
14831 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14832 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14833 wdev->netdev->ifindex)) ||
14834 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14836 goto nla_put_failure;
14838 /* ignore errors and send incomplete event anyway */
14839 nl80211_add_scan_req(msg, rdev);
14841 genlmsg_end(msg, hdr);
14845 genlmsg_cancel(msg, hdr);
14850 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
14851 struct cfg80211_sched_scan_request *req, u32 cmd)
14855 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14859 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
14860 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
14861 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
14862 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
14864 goto nla_put_failure;
14866 genlmsg_end(msg, hdr);
14870 genlmsg_cancel(msg, hdr);
14874 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
14875 struct wireless_dev *wdev)
14877 struct sk_buff *msg;
14879 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14883 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14884 NL80211_CMD_TRIGGER_SCAN) < 0) {
14889 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14890 NL80211_MCGRP_SCAN, GFP_KERNEL);
14893 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
14894 struct wireless_dev *wdev, bool aborted)
14896 struct sk_buff *msg;
14898 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14902 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14903 aborted ? NL80211_CMD_SCAN_ABORTED :
14904 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
14912 /* send message created by nl80211_build_scan_msg() */
14913 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
14914 struct sk_buff *msg)
14919 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14920 NL80211_MCGRP_SCAN, GFP_KERNEL);
14923 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
14925 struct sk_buff *msg;
14927 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14931 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
14936 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
14937 NL80211_MCGRP_SCAN, GFP_KERNEL);
14940 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
14941 struct regulatory_request *request)
14943 /* Userspace can always count this one always being set */
14944 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
14945 goto nla_put_failure;
14947 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
14948 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14949 NL80211_REGDOM_TYPE_WORLD))
14950 goto nla_put_failure;
14951 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
14952 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14953 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
14954 goto nla_put_failure;
14955 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
14956 request->intersect) {
14957 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14958 NL80211_REGDOM_TYPE_INTERSECTION))
14959 goto nla_put_failure;
14961 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14962 NL80211_REGDOM_TYPE_COUNTRY) ||
14963 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
14965 goto nla_put_failure;
14968 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
14969 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
14972 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
14973 goto nla_put_failure;
14976 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
14977 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
14978 goto nla_put_failure;
14988 * This can happen on global regulatory changes or device specific settings
14989 * based on custom regulatory domains.
14991 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
14992 struct regulatory_request *request)
14994 struct sk_buff *msg;
14997 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15001 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
15003 goto nla_put_failure;
15005 if (!nl80211_reg_change_event_fill(msg, request))
15006 goto nla_put_failure;
15008 genlmsg_end(msg, hdr);
15011 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15012 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15021 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
15022 struct net_device *netdev,
15023 const u8 *buf, size_t len,
15024 enum nl80211_commands cmd, gfp_t gfp,
15025 int uapsd_queues, const u8 *req_ies,
15026 size_t req_ies_len)
15028 struct sk_buff *msg;
15031 msg = nlmsg_new(100 + len + req_ies_len, gfp);
15035 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15041 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15042 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15043 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15045 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
15046 goto nla_put_failure;
15048 if (uapsd_queues >= 0) {
15049 struct nlattr *nla_wmm =
15050 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
15052 goto nla_put_failure;
15054 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
15056 goto nla_put_failure;
15058 nla_nest_end(msg, nla_wmm);
15061 genlmsg_end(msg, hdr);
15063 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15064 NL80211_MCGRP_MLME, gfp);
15071 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
15072 struct net_device *netdev, const u8 *buf,
15073 size_t len, gfp_t gfp)
15075 nl80211_send_mlme_event(rdev, netdev, buf, len,
15076 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
15079 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
15080 struct net_device *netdev, const u8 *buf,
15081 size_t len, gfp_t gfp, int uapsd_queues,
15082 const u8 *req_ies, size_t req_ies_len)
15084 nl80211_send_mlme_event(rdev, netdev, buf, len,
15085 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
15086 req_ies, req_ies_len);
15089 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
15090 struct net_device *netdev, const u8 *buf,
15091 size_t len, gfp_t gfp)
15093 nl80211_send_mlme_event(rdev, netdev, buf, len,
15094 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
15097 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
15098 struct net_device *netdev, const u8 *buf,
15099 size_t len, gfp_t gfp)
15101 nl80211_send_mlme_event(rdev, netdev, buf, len,
15102 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
15105 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
15108 struct wireless_dev *wdev = dev->ieee80211_ptr;
15109 struct wiphy *wiphy = wdev->wiphy;
15110 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15111 const struct ieee80211_mgmt *mgmt = (void *)buf;
15114 if (WARN_ON(len < 2))
15117 if (ieee80211_is_deauth(mgmt->frame_control))
15118 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
15120 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
15122 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
15123 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
15126 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
15128 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
15129 struct net_device *netdev, int cmd,
15130 const u8 *addr, gfp_t gfp)
15132 struct sk_buff *msg;
15135 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15139 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15145 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15146 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15147 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
15148 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15149 goto nla_put_failure;
15151 genlmsg_end(msg, hdr);
15153 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15154 NL80211_MCGRP_MLME, gfp);
15161 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
15162 struct net_device *netdev, const u8 *addr,
15165 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
15169 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
15170 struct net_device *netdev, const u8 *addr,
15173 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
15177 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
15178 struct net_device *netdev,
15179 struct cfg80211_connect_resp_params *cr,
15182 struct sk_buff *msg;
15185 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
15186 cr->fils.kek_len + cr->fils.pmk_len +
15187 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15191 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
15197 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15198 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15200 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
15201 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
15202 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
15205 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
15206 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
15207 cr->timeout_reason))) ||
15209 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
15211 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
15213 (cr->fils.update_erp_next_seq_num &&
15214 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15215 cr->fils.erp_next_seq_num)) ||
15216 (cr->status == WLAN_STATUS_SUCCESS &&
15218 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
15221 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
15223 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
15224 goto nla_put_failure;
15226 genlmsg_end(msg, hdr);
15228 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15229 NL80211_MCGRP_MLME, gfp);
15236 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
15237 struct net_device *netdev,
15238 struct cfg80211_roam_info *info, gfp_t gfp)
15240 struct sk_buff *msg;
15242 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
15244 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
15245 info->fils.kek_len + info->fils.pmk_len +
15246 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15250 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
15256 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15257 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15258 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
15260 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
15263 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
15265 (info->fils.update_erp_next_seq_num &&
15266 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15267 info->fils.erp_next_seq_num)) ||
15269 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
15270 info->fils.kek)) ||
15272 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
15273 (info->fils.pmkid &&
15274 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
15275 goto nla_put_failure;
15277 genlmsg_end(msg, hdr);
15279 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15280 NL80211_MCGRP_MLME, gfp);
15287 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
15288 struct net_device *netdev, const u8 *bssid)
15290 struct sk_buff *msg;
15293 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15297 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
15303 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15304 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15305 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15306 goto nla_put_failure;
15308 genlmsg_end(msg, hdr);
15310 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15311 NL80211_MCGRP_MLME, GFP_KERNEL);
15318 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
15319 struct net_device *netdev, u16 reason,
15320 const u8 *ie, size_t ie_len, bool from_ap)
15322 struct sk_buff *msg;
15325 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
15329 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
15335 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15336 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15338 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
15340 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
15341 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
15342 goto nla_put_failure;
15344 genlmsg_end(msg, hdr);
15346 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15347 NL80211_MCGRP_MLME, GFP_KERNEL);
15354 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
15355 struct net_device *netdev, const u8 *bssid,
15358 struct sk_buff *msg;
15361 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15365 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
15371 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15372 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15373 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15374 goto nla_put_failure;
15376 genlmsg_end(msg, hdr);
15378 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15379 NL80211_MCGRP_MLME, gfp);
15386 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
15387 const u8 *ie, u8 ie_len,
15388 int sig_dbm, gfp_t gfp)
15390 struct wireless_dev *wdev = dev->ieee80211_ptr;
15391 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15392 struct sk_buff *msg;
15395 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
15398 trace_cfg80211_notify_new_peer_candidate(dev, addr);
15400 msg = nlmsg_new(100 + ie_len, gfp);
15404 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
15410 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15411 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15412 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15414 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
15416 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
15417 goto nla_put_failure;
15419 genlmsg_end(msg, hdr);
15421 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15422 NL80211_MCGRP_MLME, gfp);
15428 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
15430 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
15431 struct net_device *netdev, const u8 *addr,
15432 enum nl80211_key_type key_type, int key_id,
15433 const u8 *tsc, gfp_t gfp)
15435 struct sk_buff *msg;
15438 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15442 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
15448 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15449 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15450 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
15451 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
15453 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
15454 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
15455 goto nla_put_failure;
15457 genlmsg_end(msg, hdr);
15459 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15460 NL80211_MCGRP_MLME, gfp);
15467 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
15468 struct ieee80211_channel *channel_before,
15469 struct ieee80211_channel *channel_after)
15471 struct sk_buff *msg;
15473 struct nlattr *nl_freq;
15475 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
15479 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
15486 * Since we are applying the beacon hint to a wiphy we know its
15487 * wiphy_idx is valid
15489 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
15490 goto nla_put_failure;
15493 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
15495 goto nla_put_failure;
15497 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
15498 goto nla_put_failure;
15499 nla_nest_end(msg, nl_freq);
15502 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
15504 goto nla_put_failure;
15506 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
15507 goto nla_put_failure;
15508 nla_nest_end(msg, nl_freq);
15510 genlmsg_end(msg, hdr);
15513 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15514 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15523 static void nl80211_send_remain_on_chan_event(
15524 int cmd, struct cfg80211_registered_device *rdev,
15525 struct wireless_dev *wdev, u64 cookie,
15526 struct ieee80211_channel *chan,
15527 unsigned int duration, gfp_t gfp)
15529 struct sk_buff *msg;
15532 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15536 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15542 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15543 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15544 wdev->netdev->ifindex)) ||
15545 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15546 NL80211_ATTR_PAD) ||
15547 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
15548 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
15549 NL80211_CHAN_NO_HT) ||
15550 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15552 goto nla_put_failure;
15554 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
15555 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
15556 goto nla_put_failure;
15558 genlmsg_end(msg, hdr);
15560 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15561 NL80211_MCGRP_MLME, gfp);
15568 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
15569 struct ieee80211_channel *chan,
15570 unsigned int duration, gfp_t gfp)
15572 struct wiphy *wiphy = wdev->wiphy;
15573 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15575 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
15576 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
15577 rdev, wdev, cookie, chan,
15580 EXPORT_SYMBOL(cfg80211_ready_on_channel);
15582 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
15583 struct ieee80211_channel *chan,
15586 struct wiphy *wiphy = wdev->wiphy;
15587 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15589 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
15590 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15591 rdev, wdev, cookie, chan, 0, gfp);
15593 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
15595 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
15596 struct ieee80211_channel *chan,
15599 struct wiphy *wiphy = wdev->wiphy;
15600 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15602 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
15603 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
15604 rdev, wdev, cookie, chan, 0, gfp);
15606 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
15608 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
15609 struct station_info *sinfo, gfp_t gfp)
15611 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15612 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15613 struct sk_buff *msg;
15615 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
15617 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15621 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
15622 rdev, dev, mac_addr, sinfo) < 0) {
15627 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15628 NL80211_MCGRP_MLME, gfp);
15630 EXPORT_SYMBOL(cfg80211_new_sta);
15632 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
15633 struct station_info *sinfo, gfp_t gfp)
15635 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15636 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15637 struct sk_buff *msg;
15638 struct station_info empty_sinfo = {};
15641 sinfo = &empty_sinfo;
15643 trace_cfg80211_del_sta(dev, mac_addr);
15645 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15647 cfg80211_sinfo_release_content(sinfo);
15651 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
15652 rdev, dev, mac_addr, sinfo) < 0) {
15657 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15658 NL80211_MCGRP_MLME, gfp);
15660 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
15662 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
15663 enum nl80211_connect_failed_reason reason,
15666 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15667 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15668 struct sk_buff *msg;
15671 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
15675 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
15681 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15682 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
15683 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
15684 goto nla_put_failure;
15686 genlmsg_end(msg, hdr);
15688 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15689 NL80211_MCGRP_MLME, gfp);
15695 EXPORT_SYMBOL(cfg80211_conn_failed);
15697 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
15698 const u8 *addr, gfp_t gfp)
15700 struct wireless_dev *wdev = dev->ieee80211_ptr;
15701 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15702 struct sk_buff *msg;
15704 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
15709 msg = nlmsg_new(100, gfp);
15713 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15719 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15720 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15721 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15722 goto nla_put_failure;
15724 genlmsg_end(msg, hdr);
15725 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15733 bool cfg80211_rx_spurious_frame(struct net_device *dev,
15734 const u8 *addr, gfp_t gfp)
15736 struct wireless_dev *wdev = dev->ieee80211_ptr;
15739 trace_cfg80211_rx_spurious_frame(dev, addr);
15741 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15742 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
15743 trace_cfg80211_return_bool(false);
15746 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
15748 trace_cfg80211_return_bool(ret);
15751 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
15753 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
15754 const u8 *addr, gfp_t gfp)
15756 struct wireless_dev *wdev = dev->ieee80211_ptr;
15759 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
15761 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15762 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
15763 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
15764 trace_cfg80211_return_bool(false);
15767 ret = __nl80211_unexpected_frame(dev,
15768 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
15770 trace_cfg80211_return_bool(ret);
15773 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
15775 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15776 struct wireless_dev *wdev, u32 nlportid,
15777 int freq, int sig_dbm,
15778 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
15780 struct net_device *netdev = wdev->netdev;
15781 struct sk_buff *msg;
15784 msg = nlmsg_new(100 + len, gfp);
15788 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
15794 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15795 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15796 netdev->ifindex)) ||
15797 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15798 NL80211_ATTR_PAD) ||
15799 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
15801 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
15802 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15804 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
15805 goto nla_put_failure;
15807 genlmsg_end(msg, hdr);
15809 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15816 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
15817 const u8 *buf, size_t len, bool ack, gfp_t gfp)
15819 struct wiphy *wiphy = wdev->wiphy;
15820 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15821 struct net_device *netdev = wdev->netdev;
15822 struct sk_buff *msg;
15825 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
15827 msg = nlmsg_new(100 + len, gfp);
15831 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
15837 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15838 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15839 netdev->ifindex)) ||
15840 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15841 NL80211_ATTR_PAD) ||
15842 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15843 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15844 NL80211_ATTR_PAD) ||
15845 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
15846 goto nla_put_failure;
15848 genlmsg_end(msg, hdr);
15850 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15851 NL80211_MCGRP_MLME, gfp);
15857 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
15859 static int __nl80211_rx_control_port(struct net_device *dev,
15860 struct sk_buff *skb,
15861 bool unencrypted, gfp_t gfp)
15863 struct wireless_dev *wdev = dev->ieee80211_ptr;
15864 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15865 struct ethhdr *ehdr = eth_hdr(skb);
15866 const u8 *addr = ehdr->h_source;
15867 u16 proto = be16_to_cpu(skb->protocol);
15868 struct sk_buff *msg;
15870 struct nlattr *frame;
15872 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
15877 msg = nlmsg_new(100 + skb->len, gfp);
15881 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
15887 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15888 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15889 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15890 NL80211_ATTR_PAD) ||
15891 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15892 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
15893 (unencrypted && nla_put_flag(msg,
15894 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
15895 goto nla_put_failure;
15897 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
15899 goto nla_put_failure;
15901 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
15902 genlmsg_end(msg, hdr);
15904 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15911 bool cfg80211_rx_control_port(struct net_device *dev,
15912 struct sk_buff *skb, bool unencrypted)
15916 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
15917 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
15918 trace_cfg80211_return_bool(ret == 0);
15921 EXPORT_SYMBOL(cfg80211_rx_control_port);
15923 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
15924 const char *mac, gfp_t gfp)
15926 struct wireless_dev *wdev = dev->ieee80211_ptr;
15927 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15928 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15934 cb = (void **)msg->cb;
15936 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
15942 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15943 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15944 goto nla_put_failure;
15946 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
15947 goto nla_put_failure;
15949 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
15951 goto nla_put_failure;
15961 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
15963 void **cb = (void **)msg->cb;
15964 struct cfg80211_registered_device *rdev = cb[2];
15966 nla_nest_end(msg, cb[1]);
15967 genlmsg_end(msg, cb[0]);
15969 memset(msg->cb, 0, sizeof(msg->cb));
15971 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15972 NL80211_MCGRP_MLME, gfp);
15975 void cfg80211_cqm_rssi_notify(struct net_device *dev,
15976 enum nl80211_cqm_rssi_threshold_event rssi_event,
15977 s32 rssi_level, gfp_t gfp)
15979 struct sk_buff *msg;
15980 struct wireless_dev *wdev = dev->ieee80211_ptr;
15981 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15983 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
15985 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
15986 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
15989 if (wdev->cqm_config) {
15990 wdev->cqm_config->last_rssi_event_value = rssi_level;
15992 cfg80211_cqm_rssi_update(rdev, dev);
15994 if (rssi_level == 0)
15995 rssi_level = wdev->cqm_config->last_rssi_event_value;
15998 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16002 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
16004 goto nla_put_failure;
16006 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
16008 goto nla_put_failure;
16010 cfg80211_send_cqm(msg, gfp);
16017 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
16019 void cfg80211_cqm_txe_notify(struct net_device *dev,
16020 const u8 *peer, u32 num_packets,
16021 u32 rate, u32 intvl, gfp_t gfp)
16023 struct sk_buff *msg;
16025 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16029 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
16030 goto nla_put_failure;
16032 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
16033 goto nla_put_failure;
16035 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
16036 goto nla_put_failure;
16038 cfg80211_send_cqm(msg, gfp);
16044 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
16046 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
16047 const u8 *peer, u32 num_packets, gfp_t gfp)
16049 struct sk_buff *msg;
16051 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
16053 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16057 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
16058 goto nla_put_failure;
16060 cfg80211_send_cqm(msg, gfp);
16066 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
16068 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
16070 struct sk_buff *msg;
16072 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16076 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
16077 goto nla_put_failure;
16079 cfg80211_send_cqm(msg, gfp);
16085 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
16087 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
16088 struct net_device *netdev, const u8 *bssid,
16089 const u8 *replay_ctr, gfp_t gfp)
16091 struct sk_buff *msg;
16092 struct nlattr *rekey_attr;
16095 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16099 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
16105 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16106 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16107 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16108 goto nla_put_failure;
16110 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
16112 goto nla_put_failure;
16114 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
16115 NL80211_REPLAY_CTR_LEN, replay_ctr))
16116 goto nla_put_failure;
16118 nla_nest_end(msg, rekey_attr);
16120 genlmsg_end(msg, hdr);
16122 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16123 NL80211_MCGRP_MLME, gfp);
16130 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
16131 const u8 *replay_ctr, gfp_t gfp)
16133 struct wireless_dev *wdev = dev->ieee80211_ptr;
16134 struct wiphy *wiphy = wdev->wiphy;
16135 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16137 trace_cfg80211_gtk_rekey_notify(dev, bssid);
16138 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
16140 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
16143 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
16144 struct net_device *netdev, int index,
16145 const u8 *bssid, bool preauth, gfp_t gfp)
16147 struct sk_buff *msg;
16148 struct nlattr *attr;
16151 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16155 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
16161 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16162 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16163 goto nla_put_failure;
16165 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
16167 goto nla_put_failure;
16169 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
16170 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
16172 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
16173 goto nla_put_failure;
16175 nla_nest_end(msg, attr);
16177 genlmsg_end(msg, hdr);
16179 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16180 NL80211_MCGRP_MLME, gfp);
16187 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
16188 const u8 *bssid, bool preauth, gfp_t gfp)
16190 struct wireless_dev *wdev = dev->ieee80211_ptr;
16191 struct wiphy *wiphy = wdev->wiphy;
16192 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16194 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
16195 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
16197 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
16199 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
16200 struct net_device *netdev,
16201 struct cfg80211_chan_def *chandef,
16203 enum nl80211_commands notif,
16206 struct sk_buff *msg;
16209 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16213 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
16219 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16220 goto nla_put_failure;
16222 if (nl80211_send_chandef(msg, chandef))
16223 goto nla_put_failure;
16225 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
16226 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
16227 goto nla_put_failure;
16229 genlmsg_end(msg, hdr);
16231 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16232 NL80211_MCGRP_MLME, gfp);
16239 void cfg80211_ch_switch_notify(struct net_device *dev,
16240 struct cfg80211_chan_def *chandef)
16242 struct wireless_dev *wdev = dev->ieee80211_ptr;
16243 struct wiphy *wiphy = wdev->wiphy;
16244 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16246 ASSERT_WDEV_LOCK(wdev);
16248 trace_cfg80211_ch_switch_notify(dev, chandef);
16250 wdev->chandef = *chandef;
16251 wdev->preset_chandef = *chandef;
16253 if (wdev->iftype == NL80211_IFTYPE_STATION &&
16254 !WARN_ON(!wdev->current_bss))
16255 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
16257 cfg80211_sched_dfs_chan_update(rdev);
16259 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16260 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
16262 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
16264 void cfg80211_ch_switch_started_notify(struct net_device *dev,
16265 struct cfg80211_chan_def *chandef,
16268 struct wireless_dev *wdev = dev->ieee80211_ptr;
16269 struct wiphy *wiphy = wdev->wiphy;
16270 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16272 trace_cfg80211_ch_switch_started_notify(dev, chandef);
16274 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16275 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
16277 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
16280 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
16281 const struct cfg80211_chan_def *chandef,
16282 enum nl80211_radar_event event,
16283 struct net_device *netdev, gfp_t gfp)
16285 struct sk_buff *msg;
16288 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16292 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
16298 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16299 goto nla_put_failure;
16301 /* NOP and radar events don't need a netdev parameter */
16303 struct wireless_dev *wdev = netdev->ieee80211_ptr;
16305 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16306 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16308 goto nla_put_failure;
16311 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
16312 goto nla_put_failure;
16314 if (nl80211_send_chandef(msg, chandef))
16315 goto nla_put_failure;
16317 genlmsg_end(msg, hdr);
16319 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16320 NL80211_MCGRP_MLME, gfp);
16327 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
16328 struct sta_opmode_info *sta_opmode,
16331 struct sk_buff *msg;
16332 struct wireless_dev *wdev = dev->ieee80211_ptr;
16333 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16339 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16343 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
16349 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16350 goto nla_put_failure;
16352 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16353 goto nla_put_failure;
16355 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16356 goto nla_put_failure;
16358 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
16359 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
16360 goto nla_put_failure;
16362 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
16363 nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
16364 goto nla_put_failure;
16366 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
16367 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
16368 goto nla_put_failure;
16370 genlmsg_end(msg, hdr);
16372 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16373 NL80211_MCGRP_MLME, gfp);
16380 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
16382 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
16383 u64 cookie, bool acked, s32 ack_signal,
16384 bool is_valid_ack_signal, gfp_t gfp)
16386 struct wireless_dev *wdev = dev->ieee80211_ptr;
16387 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16388 struct sk_buff *msg;
16391 trace_cfg80211_probe_status(dev, addr, cookie, acked);
16393 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16398 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
16404 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16405 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16406 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16407 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16408 NL80211_ATTR_PAD) ||
16409 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
16410 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
16412 goto nla_put_failure;
16414 genlmsg_end(msg, hdr);
16416 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16417 NL80211_MCGRP_MLME, gfp);
16423 EXPORT_SYMBOL(cfg80211_probe_status);
16425 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
16426 const u8 *frame, size_t len,
16427 int freq, int sig_dbm)
16429 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16430 struct sk_buff *msg;
16432 struct cfg80211_beacon_registration *reg;
16434 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
16436 spin_lock_bh(&rdev->beacon_registrations_lock);
16437 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
16438 msg = nlmsg_new(len + 100, GFP_ATOMIC);
16440 spin_unlock_bh(&rdev->beacon_registrations_lock);
16444 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16446 goto nla_put_failure;
16448 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16450 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
16452 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16453 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
16454 goto nla_put_failure;
16456 genlmsg_end(msg, hdr);
16458 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
16460 spin_unlock_bh(&rdev->beacon_registrations_lock);
16464 spin_unlock_bh(&rdev->beacon_registrations_lock);
16467 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
16470 static int cfg80211_net_detect_results(struct sk_buff *msg,
16471 struct cfg80211_wowlan_wakeup *wakeup)
16473 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
16474 struct nlattr *nl_results, *nl_match, *nl_freqs;
16477 nl_results = nla_nest_start_noflag(msg,
16478 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
16482 for (i = 0; i < nd->n_matches; i++) {
16483 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
16485 nl_match = nla_nest_start_noflag(msg, i);
16489 /* The SSID attribute is optional in nl80211, but for
16490 * simplicity reasons it's always present in the
16491 * cfg80211 structure. If a driver can't pass the
16492 * SSID, that needs to be changed. A zero length SSID
16493 * is still a valid SSID (wildcard), so it cannot be
16494 * used for this purpose.
16496 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
16497 match->ssid.ssid)) {
16498 nla_nest_cancel(msg, nl_match);
16502 if (match->n_channels) {
16503 nl_freqs = nla_nest_start_noflag(msg,
16504 NL80211_ATTR_SCAN_FREQUENCIES);
16506 nla_nest_cancel(msg, nl_match);
16510 for (j = 0; j < match->n_channels; j++) {
16511 if (nla_put_u32(msg, j, match->channels[j])) {
16512 nla_nest_cancel(msg, nl_freqs);
16513 nla_nest_cancel(msg, nl_match);
16518 nla_nest_end(msg, nl_freqs);
16521 nla_nest_end(msg, nl_match);
16525 nla_nest_end(msg, nl_results);
16529 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
16530 struct cfg80211_wowlan_wakeup *wakeup,
16533 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16534 struct sk_buff *msg;
16538 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
16541 size += wakeup->packet_present_len;
16543 msg = nlmsg_new(size, gfp);
16547 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
16551 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16552 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16556 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16557 wdev->netdev->ifindex))
16561 struct nlattr *reasons;
16563 reasons = nla_nest_start_noflag(msg,
16564 NL80211_ATTR_WOWLAN_TRIGGERS);
16568 if (wakeup->disconnect &&
16569 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
16571 if (wakeup->magic_pkt &&
16572 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
16574 if (wakeup->gtk_rekey_failure &&
16575 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
16577 if (wakeup->eap_identity_req &&
16578 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
16580 if (wakeup->four_way_handshake &&
16581 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
16583 if (wakeup->rfkill_release &&
16584 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
16587 if (wakeup->pattern_idx >= 0 &&
16588 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
16589 wakeup->pattern_idx))
16592 if (wakeup->tcp_match &&
16593 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
16596 if (wakeup->tcp_connlost &&
16597 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
16600 if (wakeup->tcp_nomoretokens &&
16602 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
16605 if (wakeup->packet) {
16606 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
16607 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
16609 if (!wakeup->packet_80211) {
16611 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
16613 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
16616 if (wakeup->packet_len &&
16617 nla_put_u32(msg, len_attr, wakeup->packet_len))
16620 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
16625 if (wakeup->net_detect &&
16626 cfg80211_net_detect_results(msg, wakeup))
16629 nla_nest_end(msg, reasons);
16632 genlmsg_end(msg, hdr);
16634 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16635 NL80211_MCGRP_MLME, gfp);
16641 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
16644 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
16645 enum nl80211_tdls_operation oper,
16646 u16 reason_code, gfp_t gfp)
16648 struct wireless_dev *wdev = dev->ieee80211_ptr;
16649 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16650 struct sk_buff *msg;
16653 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
16656 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16660 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
16666 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16667 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16668 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
16669 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
16670 (reason_code > 0 &&
16671 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
16672 goto nla_put_failure;
16674 genlmsg_end(msg, hdr);
16676 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16677 NL80211_MCGRP_MLME, gfp);
16683 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
16685 static int nl80211_netlink_notify(struct notifier_block * nb,
16686 unsigned long state,
16689 struct netlink_notify *notify = _notify;
16690 struct cfg80211_registered_device *rdev;
16691 struct wireless_dev *wdev;
16692 struct cfg80211_beacon_registration *reg, *tmp;
16694 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
16695 return NOTIFY_DONE;
16699 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
16700 struct cfg80211_sched_scan_request *sched_scan_req;
16702 list_for_each_entry_rcu(sched_scan_req,
16703 &rdev->sched_scan_req_list,
16705 if (sched_scan_req->owner_nlportid == notify->portid) {
16706 sched_scan_req->nl_owner_dead = true;
16707 schedule_work(&rdev->sched_scan_stop_wk);
16711 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
16712 cfg80211_mlme_unregister_socket(wdev, notify->portid);
16714 if (wdev->owner_nlportid == notify->portid) {
16715 wdev->nl_owner_dead = true;
16716 schedule_work(&rdev->destroy_work);
16717 } else if (wdev->conn_owner_nlportid == notify->portid) {
16718 schedule_work(&wdev->disconnect_wk);
16721 cfg80211_release_pmsr(wdev, notify->portid);
16724 spin_lock_bh(&rdev->beacon_registrations_lock);
16725 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
16727 if (reg->nlportid == notify->portid) {
16728 list_del(®->list);
16733 spin_unlock_bh(&rdev->beacon_registrations_lock);
16739 * It is possible that the user space process that is controlling the
16740 * indoor setting disappeared, so notify the regulatory core.
16742 regulatory_netlink_notify(notify->portid);
16746 static struct notifier_block nl80211_netlink_notifier = {
16747 .notifier_call = nl80211_netlink_notify,
16750 void cfg80211_ft_event(struct net_device *netdev,
16751 struct cfg80211_ft_event_params *ft_event)
16753 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16754 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16755 struct sk_buff *msg;
16758 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
16760 if (!ft_event->target_ap)
16763 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
16768 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
16772 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16773 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16774 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
16777 if (ft_event->ies &&
16778 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
16780 if (ft_event->ric_ies &&
16781 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
16782 ft_event->ric_ies))
16785 genlmsg_end(msg, hdr);
16787 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16788 NL80211_MCGRP_MLME, GFP_KERNEL);
16793 EXPORT_SYMBOL(cfg80211_ft_event);
16795 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
16797 struct cfg80211_registered_device *rdev;
16798 struct sk_buff *msg;
16802 rdev = wiphy_to_rdev(wdev->wiphy);
16803 if (!rdev->crit_proto_nlportid)
16806 nlportid = rdev->crit_proto_nlportid;
16807 rdev->crit_proto_nlportid = 0;
16809 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16813 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
16815 goto nla_put_failure;
16817 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16818 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16820 goto nla_put_failure;
16822 genlmsg_end(msg, hdr);
16824 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16830 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
16832 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
16834 struct wiphy *wiphy = wdev->wiphy;
16835 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16836 struct sk_buff *msg;
16839 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16843 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
16847 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16848 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
16849 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16853 genlmsg_end(msg, hdr);
16855 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
16856 NL80211_MCGRP_MLME, GFP_KERNEL);
16862 int cfg80211_external_auth_request(struct net_device *dev,
16863 struct cfg80211_external_auth_params *params,
16866 struct wireless_dev *wdev = dev->ieee80211_ptr;
16867 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16868 struct sk_buff *msg;
16871 if (!wdev->conn_owner_nlportid)
16874 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16878 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
16880 goto nla_put_failure;
16882 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16883 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16884 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
16885 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
16887 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
16888 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
16889 params->ssid.ssid))
16890 goto nla_put_failure;
16892 genlmsg_end(msg, hdr);
16893 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
16894 wdev->conn_owner_nlportid);
16901 EXPORT_SYMBOL(cfg80211_external_auth_request);
16903 void cfg80211_update_owe_info_event(struct net_device *netdev,
16904 struct cfg80211_update_owe_info *owe_info,
16907 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16908 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16909 struct sk_buff *msg;
16912 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
16914 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16918 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
16920 goto nla_put_failure;
16922 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16923 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16924 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
16925 goto nla_put_failure;
16927 if (!owe_info->ie_len ||
16928 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
16929 goto nla_put_failure;
16931 genlmsg_end(msg, hdr);
16933 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16934 NL80211_MCGRP_MLME, gfp);
16938 genlmsg_cancel(msg, hdr);
16941 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
16943 /* initialisation/exit functions */
16945 int __init nl80211_init(void)
16949 err = genl_register_family(&nl80211_fam);
16953 err = netlink_register_notifier(&nl80211_netlink_notifier);
16959 genl_unregister_family(&nl80211_fam);
16963 void nl80211_exit(void)
16965 netlink_unregister_notifier(&nl80211_netlink_notifier);
16966 genl_unregister_family(&nl80211_fam);