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_beacon_head(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;
210 const struct ieee80211_mgmt *mgmt = (void *)data;
211 unsigned int fixedlen = offsetof(struct ieee80211_mgmt,
217 if (ieee80211_hdrlen(mgmt->frame_control) !=
218 offsetof(struct ieee80211_mgmt, u.beacon))
224 for_each_element(elem, data, len) {
228 if (for_each_element_completed(elem, data, len))
232 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
236 static int validate_ie_attr(const struct nlattr *attr,
237 struct netlink_ext_ack *extack)
239 const u8 *data = nla_data(attr);
240 unsigned int len = nla_len(attr);
241 const struct element *elem;
243 for_each_element(elem, data, len) {
247 if (for_each_element_completed(elem, data, len))
250 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
254 /* policy for the attributes */
255 static const struct nla_policy
256 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
257 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
258 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
260 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
264 static const struct nla_policy
265 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
266 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
267 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
268 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
269 NLA_POLICY_MAX(NLA_U8, 15),
270 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
271 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
272 NLA_POLICY_MAX(NLA_U8, 15),
273 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
274 NLA_POLICY_MAX(NLA_U8, 31),
275 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
276 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
277 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
280 static const struct nla_policy
281 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
282 [NL80211_PMSR_TYPE_FTM] =
283 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
286 static const struct nla_policy
287 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
288 [NL80211_PMSR_REQ_ATTR_DATA] =
289 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
290 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
293 static const struct nla_policy
294 nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
295 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
297 * we could specify this again to be the top-level policy,
298 * but that would open us up to recursion problems ...
300 [NL80211_PMSR_PEER_ATTR_CHAN] = { .type = NLA_NESTED },
301 [NL80211_PMSR_PEER_ATTR_REQ] =
302 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
303 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
306 static const struct nla_policy
307 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
308 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
309 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
310 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
311 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
312 [NL80211_PMSR_ATTR_PEERS] =
313 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
316 static const struct nla_policy
317 he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
318 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
319 NLA_POLICY_RANGE(NLA_U8, 1, 20),
320 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
321 NLA_POLICY_RANGE(NLA_U8, 1, 20),
324 const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
325 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
326 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
327 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
329 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
331 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
332 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
333 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
334 NL80211_EDMG_CHANNELS_MIN,
335 NL80211_EDMG_CHANNELS_MAX),
336 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
337 NL80211_EDMG_BW_CONFIG_MIN,
338 NL80211_EDMG_BW_CONFIG_MAX),
340 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
341 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
342 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
344 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
345 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
346 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
347 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
348 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
349 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
351 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
352 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
353 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
355 [NL80211_ATTR_MAC] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
356 [NL80211_ATTR_PREV_BSSID] = {
357 .type = NLA_EXACT_LEN_WARN,
361 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
362 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
363 .len = WLAN_MAX_KEY_LEN },
364 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 5),
365 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
366 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
367 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
368 [NL80211_ATTR_KEY_TYPE] =
369 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
371 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
372 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
373 [NL80211_ATTR_BEACON_HEAD] =
374 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
375 IEEE80211_MAX_DATA_LEN),
376 [NL80211_ATTR_BEACON_TAIL] =
377 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
378 IEEE80211_MAX_DATA_LEN),
379 [NL80211_ATTR_STA_AID] =
380 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
381 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
382 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
383 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
384 .len = NL80211_MAX_SUPP_RATES },
385 [NL80211_ATTR_STA_PLINK_ACTION] =
386 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
387 [NL80211_ATTR_STA_TX_POWER_SETTING] =
388 NLA_POLICY_RANGE(NLA_U8,
389 NL80211_TX_POWER_AUTOMATIC,
390 NL80211_TX_POWER_FIXED),
391 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
392 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
393 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
394 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
395 .len = IEEE80211_MAX_MESH_ID_LEN },
396 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
398 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
399 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
401 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
402 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
403 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
404 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
405 .len = NL80211_MAX_SUPP_RATES },
406 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
408 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
409 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
411 [NL80211_ATTR_HT_CAPABILITY] = {
412 .type = NLA_EXACT_LEN_WARN,
413 .len = NL80211_HT_CAPABILITY_LEN
416 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
417 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
419 IEEE80211_MAX_DATA_LEN),
420 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
421 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
423 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
424 .len = IEEE80211_MAX_SSID_LEN },
425 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
426 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
427 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
428 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
429 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
431 NL80211_MFP_OPTIONAL),
432 [NL80211_ATTR_STA_FLAGS2] = {
433 .len = sizeof(struct nl80211_sta_flag_update),
435 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
436 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
437 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
438 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
439 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
440 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
441 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
442 [NL80211_ATTR_PID] = { .type = NLA_U32 },
443 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
444 [NL80211_ATTR_PMKID] = {
445 .type = NLA_EXACT_LEN_WARN,
446 .len = WLAN_PMKID_LEN
448 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
449 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
450 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
451 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
452 .len = IEEE80211_MAX_DATA_LEN },
453 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
454 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
457 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
458 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
459 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
460 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
461 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
462 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
463 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
464 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
465 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
466 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
467 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
468 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
469 [NL80211_ATTR_STA_PLINK_STATE] =
470 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
471 [NL80211_ATTR_MESH_PEER_AID] =
472 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
473 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
474 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
475 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
476 [NL80211_ATTR_HIDDEN_SSID] =
477 NLA_POLICY_RANGE(NLA_U32,
478 NL80211_HIDDEN_SSID_NOT_IN_USE,
479 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
480 [NL80211_ATTR_IE_PROBE_RESP] =
481 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
482 IEEE80211_MAX_DATA_LEN),
483 [NL80211_ATTR_IE_ASSOC_RESP] =
484 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
485 IEEE80211_MAX_DATA_LEN),
486 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
487 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
488 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
489 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
490 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
491 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
492 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
493 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
494 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
495 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
496 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
497 .len = IEEE80211_MAX_DATA_LEN },
498 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
499 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
500 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
501 .len = NL80211_HT_CAPABILITY_LEN
503 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
504 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
505 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
506 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
507 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
508 [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
509 [NL80211_ATTR_VHT_CAPABILITY] = {
510 .type = NLA_EXACT_LEN_WARN,
511 .len = NL80211_VHT_CAPABILITY_LEN
513 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
514 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
515 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
516 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
517 NLA_POLICY_RANGE(NLA_U32,
518 NL80211_MESH_POWER_UNKNOWN + 1,
519 NL80211_MESH_POWER_MAX),
520 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
521 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
522 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
523 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
524 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
525 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
526 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
527 .len = NL80211_VHT_CAPABILITY_LEN,
529 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
530 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
531 .len = IEEE80211_MAX_DATA_LEN },
532 [NL80211_ATTR_PEER_AID] =
533 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
534 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
535 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
536 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
537 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
538 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
539 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
540 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
541 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
542 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
543 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
544 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
545 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
546 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
547 .len = IEEE80211_QOS_MAP_LEN_MAX },
548 [NL80211_ATTR_MAC_HINT] = {
549 .type = NLA_EXACT_LEN_WARN,
552 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
553 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
554 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
555 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
556 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
557 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
558 [NL80211_ATTR_USER_PRIO] =
559 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
560 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
561 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
562 [NL80211_ATTR_MAC_MASK] = {
563 .type = NLA_EXACT_LEN_WARN,
566 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
567 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
568 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
569 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
570 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
571 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
572 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
573 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
574 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
575 .len = VHT_MUMIMO_GROUPS_DATA_LEN
577 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = {
578 .type = NLA_EXACT_LEN_WARN,
581 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
582 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
583 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
584 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
585 .len = FILS_MAX_KEK_LEN },
586 [NL80211_ATTR_FILS_NONCES] = {
587 .type = NLA_EXACT_LEN_WARN,
588 .len = 2 * FILS_NONCE_LEN
590 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
591 [NL80211_ATTR_BSSID] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
592 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
593 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
594 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
596 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
597 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
598 .len = FILS_ERP_MAX_USERNAME_LEN },
599 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
600 .len = FILS_ERP_MAX_REALM_LEN },
601 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
602 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
603 .len = FILS_ERP_MAX_RRK_LEN },
604 [NL80211_ATTR_FILS_CACHE_ID] = { .type = NLA_EXACT_LEN_WARN, .len = 2 },
605 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
606 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
607 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
609 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
610 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
611 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
612 [NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
613 .len = NL80211_HE_MAX_CAPABILITY_LEN },
615 [NL80211_ATTR_FTM_RESPONDER] = {
617 .validation_data = nl80211_ftm_responder_policy,
619 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
620 [NL80211_ATTR_PEER_MEASUREMENTS] =
621 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
622 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
623 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
624 .len = SAE_PASSWORD_MAX_LEN },
625 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
626 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
629 /* policy for the key attributes */
630 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
631 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
632 [NL80211_KEY_IDX] = { .type = NLA_U8 },
633 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
634 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
635 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
636 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
637 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
638 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
639 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
642 /* policy for the key default flags */
643 static const struct nla_policy
644 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
645 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
646 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
650 /* policy for WoWLAN attributes */
651 static const struct nla_policy
652 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
653 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
654 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
655 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
656 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
657 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
658 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
659 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
660 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
661 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
662 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
665 static const struct nla_policy
666 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
667 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
668 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
669 [NL80211_WOWLAN_TCP_DST_MAC] = {
670 .type = NLA_EXACT_LEN_WARN,
673 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
674 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
675 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
676 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
677 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
679 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
680 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
682 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
683 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
684 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .type = NLA_MIN_LEN, .len = 1 },
686 #endif /* CONFIG_PM */
688 /* policy for coalesce rule attributes */
689 static const struct nla_policy
690 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
691 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
692 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
693 NLA_POLICY_RANGE(NLA_U32,
694 NL80211_COALESCE_CONDITION_MATCH,
695 NL80211_COALESCE_CONDITION_NO_MATCH),
696 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
699 /* policy for GTK rekey offload attributes */
700 static const struct nla_policy
701 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
702 [NL80211_REKEY_DATA_KEK] = {
703 .type = NLA_EXACT_LEN_WARN,
704 .len = NL80211_KEK_LEN,
706 [NL80211_REKEY_DATA_KCK] = {
707 .type = NLA_EXACT_LEN_WARN,
708 .len = NL80211_KCK_LEN,
710 [NL80211_REKEY_DATA_REPLAY_CTR] = {
711 .type = NLA_EXACT_LEN_WARN,
712 .len = NL80211_REPLAY_CTR_LEN
716 static const struct nla_policy
717 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
718 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
719 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
720 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
721 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
724 static const struct nla_policy
725 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
726 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
727 .len = IEEE80211_MAX_SSID_LEN },
728 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = {
729 .type = NLA_EXACT_LEN_WARN,
732 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
733 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
734 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
737 static const struct nla_policy
738 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
739 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
740 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
743 static const struct nla_policy
744 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
745 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
746 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
747 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
748 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
752 /* policy for NAN function attributes */
753 static const struct nla_policy
754 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
755 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
756 [NL80211_NAN_FUNC_SERVICE_ID] = {
757 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
758 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
759 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
760 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
761 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
762 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
763 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = {
764 .type = NLA_EXACT_LEN_WARN,
767 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
768 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
769 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
770 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
771 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
772 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
773 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
774 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
775 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
778 /* policy for Service Response Filter attributes */
779 static const struct nla_policy
780 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
781 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
782 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
783 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
784 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
785 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
788 /* policy for packet pattern attributes */
789 static const struct nla_policy
790 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
791 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
792 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
793 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
796 int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
797 struct cfg80211_registered_device **rdev,
798 struct wireless_dev **wdev)
803 struct nlattr **attrbuf;
805 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
810 err = nlmsg_parse_deprecated(cb->nlh,
811 GENL_HDRLEN + nl80211_fam.hdrsize,
812 attrbuf, nl80211_fam.maxattr,
813 nl80211_policy, NULL);
819 *wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk),
823 return PTR_ERR(*wdev);
824 *rdev = wiphy_to_rdev((*wdev)->wiphy);
825 /* 0 is the first index - add 1 to parse only once */
826 cb->args[0] = (*rdev)->wiphy_idx + 1;
827 cb->args[1] = (*wdev)->identifier;
829 /* subtract the 1 again here */
830 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
831 struct wireless_dev *tmp;
835 *rdev = wiphy_to_rdev(wiphy);
838 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
839 if (tmp->identifier == cb->args[1]) {
852 /* message building helper */
853 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
856 /* since there is no private header just add the generic one */
857 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
860 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
861 const struct ieee80211_reg_rule *rule)
864 struct nlattr *nl_wmm_rules =
865 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
868 goto nla_put_failure;
870 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
871 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
874 goto nla_put_failure;
876 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
877 rule->wmm_rule.client[j].cw_min) ||
878 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
879 rule->wmm_rule.client[j].cw_max) ||
880 nla_put_u8(msg, NL80211_WMMR_AIFSN,
881 rule->wmm_rule.client[j].aifsn) ||
882 nla_put_u16(msg, NL80211_WMMR_TXOP,
883 rule->wmm_rule.client[j].cot))
884 goto nla_put_failure;
886 nla_nest_end(msg, nl_wmm_rule);
888 nla_nest_end(msg, nl_wmm_rules);
896 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
897 struct ieee80211_channel *chan,
900 /* Some channels must be completely excluded from the
901 * list to protect old user-space tools from breaking
903 if (!large && chan->flags &
904 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
907 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
909 goto nla_put_failure;
911 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
912 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
913 goto nla_put_failure;
914 if (chan->flags & IEEE80211_CHAN_NO_IR) {
915 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
916 goto nla_put_failure;
917 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
918 goto nla_put_failure;
920 if (chan->flags & IEEE80211_CHAN_RADAR) {
921 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
922 goto nla_put_failure;
926 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
928 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
930 goto nla_put_failure;
931 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
933 goto nla_put_failure;
935 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
937 goto nla_put_failure;
942 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
943 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
944 goto nla_put_failure;
945 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
946 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
947 goto nla_put_failure;
948 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
949 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
950 goto nla_put_failure;
951 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
952 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
953 goto nla_put_failure;
954 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
955 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
956 goto nla_put_failure;
957 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
958 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
959 goto nla_put_failure;
960 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
961 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
962 goto nla_put_failure;
963 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
964 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
965 goto nla_put_failure;
968 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
969 DBM_TO_MBM(chan->max_power)))
970 goto nla_put_failure;
973 const struct ieee80211_reg_rule *rule =
974 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
976 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
977 if (nl80211_msg_put_wmm_rules(msg, rule))
978 goto nla_put_failure;
988 static bool nl80211_put_txq_stats(struct sk_buff *msg,
989 struct cfg80211_txq_stats *txqstats,
992 struct nlattr *txqattr;
994 #define PUT_TXQVAL_U32(attr, memb) do { \
995 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
996 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1000 txqattr = nla_nest_start_noflag(msg, attrtype);
1004 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1005 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1006 PUT_TXQVAL_U32(FLOWS, flows);
1007 PUT_TXQVAL_U32(DROPS, drops);
1008 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1009 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1010 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1011 PUT_TXQVAL_U32(COLLISIONS, collisions);
1012 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1013 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1014 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1015 nla_nest_end(msg, txqattr);
1017 #undef PUT_TXQVAL_U32
1021 /* netlink command implementations */
1024 struct key_params p;
1028 bool def_uni, def_multi;
1031 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1032 struct key_parse *k)
1034 struct nlattr *tb[NL80211_KEY_MAX + 1];
1035 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1041 k->def = !!tb[NL80211_KEY_DEFAULT];
1042 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1046 k->def_multi = true;
1049 k->def_multi = true;
1051 if (tb[NL80211_KEY_IDX])
1052 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1054 if (tb[NL80211_KEY_DATA]) {
1055 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1056 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1059 if (tb[NL80211_KEY_SEQ]) {
1060 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1061 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1064 if (tb[NL80211_KEY_CIPHER])
1065 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1067 if (tb[NL80211_KEY_TYPE])
1068 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1070 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1071 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1073 err = nla_parse_nested_deprecated(kdt,
1074 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1075 tb[NL80211_KEY_DEFAULT_TYPES],
1076 nl80211_key_default_policy,
1081 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1082 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1085 if (tb[NL80211_KEY_MODE])
1086 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1091 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1093 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1094 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1095 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1098 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1099 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1100 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1103 if (info->attrs[NL80211_ATTR_KEY_IDX])
1104 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1106 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1107 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1109 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1110 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1114 k->def_multi = true;
1117 k->def_multi = true;
1119 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1120 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1122 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1123 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1124 int err = nla_parse_nested_deprecated(kdt,
1125 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1126 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1127 nl80211_key_default_policy,
1132 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1133 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1139 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1143 memset(k, 0, sizeof(*k));
1147 if (info->attrs[NL80211_ATTR_KEY])
1148 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1150 err = nl80211_parse_key_old(info, k);
1155 if (k->def && k->defmgmt) {
1156 GENL_SET_ERR_MSG(info, "key with def && defmgmt is invalid");
1161 if (k->def_uni || !k->def_multi) {
1162 GENL_SET_ERR_MSG(info, "defmgmt key must be mcast");
1169 if (k->idx < 4 || k->idx > 5) {
1170 GENL_SET_ERR_MSG(info,
1171 "defmgmt key idx not 4 or 5");
1174 } else if (k->def) {
1175 if (k->idx < 0 || k->idx > 3) {
1176 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1180 if (k->idx < 0 || k->idx > 5) {
1181 GENL_SET_ERR_MSG(info, "key idx not 0-5");
1190 static struct cfg80211_cached_keys *
1191 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1192 struct genl_info *info, bool *no_ht)
1194 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1195 struct key_parse parse;
1197 struct cfg80211_cached_keys *result;
1198 int rem, err, def = 0;
1199 bool have_key = false;
1201 nla_for_each_nested(key, keys, rem) {
1209 result = kzalloc(sizeof(*result), GFP_KERNEL);
1211 return ERR_PTR(-ENOMEM);
1215 nla_for_each_nested(key, keys, rem) {
1216 memset(&parse, 0, sizeof(parse));
1219 err = nl80211_parse_key_new(info, key, &parse);
1225 if (parse.idx < 0 || parse.idx > 3) {
1226 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1231 GENL_SET_ERR_MSG(info,
1232 "only one key can be default");
1236 result->def = parse.idx;
1237 if (!parse.def_uni || !parse.def_multi)
1239 } else if (parse.defmgmt)
1241 err = cfg80211_validate_key_settings(rdev, &parse.p,
1242 parse.idx, false, NULL);
1245 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1246 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1247 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1251 result->params[parse.idx].cipher = parse.p.cipher;
1252 result->params[parse.idx].key_len = parse.p.key_len;
1253 result->params[parse.idx].key = result->data[parse.idx];
1254 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1256 /* must be WEP key if we got here */
1261 if (result->def < 0) {
1263 GENL_SET_ERR_MSG(info, "need a default/TX key");
1270 return ERR_PTR(err);
1273 static int nl80211_key_allowed(struct wireless_dev *wdev)
1275 ASSERT_WDEV_LOCK(wdev);
1277 switch (wdev->iftype) {
1278 case NL80211_IFTYPE_AP:
1279 case NL80211_IFTYPE_AP_VLAN:
1280 case NL80211_IFTYPE_P2P_GO:
1281 case NL80211_IFTYPE_MESH_POINT:
1283 case NL80211_IFTYPE_ADHOC:
1284 case NL80211_IFTYPE_STATION:
1285 case NL80211_IFTYPE_P2P_CLIENT:
1286 if (!wdev->current_bss)
1289 case NL80211_IFTYPE_UNSPECIFIED:
1290 case NL80211_IFTYPE_OCB:
1291 case NL80211_IFTYPE_MONITOR:
1292 case NL80211_IFTYPE_NAN:
1293 case NL80211_IFTYPE_P2P_DEVICE:
1294 case NL80211_IFTYPE_WDS:
1295 case NUM_NL80211_IFTYPES:
1302 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1305 struct ieee80211_channel *chan;
1309 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
1310 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1315 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1317 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1321 goto nla_put_failure;
1325 if ((ifmodes & 1) && nla_put_flag(msg, i))
1326 goto nla_put_failure;
1331 nla_nest_end(msg, nl_modes);
1338 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1339 struct sk_buff *msg,
1342 struct nlattr *nl_combis;
1345 nl_combis = nla_nest_start_noflag(msg,
1346 NL80211_ATTR_INTERFACE_COMBINATIONS);
1348 goto nla_put_failure;
1350 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1351 const struct ieee80211_iface_combination *c;
1352 struct nlattr *nl_combi, *nl_limits;
1354 c = &wiphy->iface_combinations[i];
1356 nl_combi = nla_nest_start_noflag(msg, i + 1);
1358 goto nla_put_failure;
1360 nl_limits = nla_nest_start_noflag(msg,
1361 NL80211_IFACE_COMB_LIMITS);
1363 goto nla_put_failure;
1365 for (j = 0; j < c->n_limits; j++) {
1366 struct nlattr *nl_limit;
1368 nl_limit = nla_nest_start_noflag(msg, j + 1);
1370 goto nla_put_failure;
1371 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1373 goto nla_put_failure;
1374 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1375 c->limits[j].types))
1376 goto nla_put_failure;
1377 nla_nest_end(msg, nl_limit);
1380 nla_nest_end(msg, nl_limits);
1382 if (c->beacon_int_infra_match &&
1383 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1384 goto nla_put_failure;
1385 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1386 c->num_different_channels) ||
1387 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1389 goto nla_put_failure;
1391 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1392 c->radar_detect_widths) ||
1393 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1394 c->radar_detect_regions)))
1395 goto nla_put_failure;
1396 if (c->beacon_int_min_gcd &&
1397 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1398 c->beacon_int_min_gcd))
1399 goto nla_put_failure;
1401 nla_nest_end(msg, nl_combi);
1404 nla_nest_end(msg, nl_combis);
1412 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1413 struct sk_buff *msg)
1415 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1416 struct nlattr *nl_tcp;
1421 nl_tcp = nla_nest_start_noflag(msg,
1422 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1426 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1427 tcp->data_payload_max))
1430 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1431 tcp->data_payload_max))
1434 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1437 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1438 sizeof(*tcp->tok), tcp->tok))
1441 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1442 tcp->data_interval_max))
1445 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1446 tcp->wake_payload_max))
1449 nla_nest_end(msg, nl_tcp);
1453 static int nl80211_send_wowlan(struct sk_buff *msg,
1454 struct cfg80211_registered_device *rdev,
1457 struct nlattr *nl_wowlan;
1459 if (!rdev->wiphy.wowlan)
1462 nl_wowlan = nla_nest_start_noflag(msg,
1463 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1467 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1468 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1469 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1470 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1471 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1472 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1473 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1474 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1475 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1476 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1477 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1478 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1479 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1480 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1481 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1482 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1485 if (rdev->wiphy.wowlan->n_patterns) {
1486 struct nl80211_pattern_support pat = {
1487 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1488 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1489 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1490 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1493 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1498 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1499 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1500 rdev->wiphy.wowlan->max_nd_match_sets))
1503 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1506 nla_nest_end(msg, nl_wowlan);
1512 static int nl80211_send_coalesce(struct sk_buff *msg,
1513 struct cfg80211_registered_device *rdev)
1515 struct nl80211_coalesce_rule_support rule;
1517 if (!rdev->wiphy.coalesce)
1520 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1521 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1522 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1523 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1524 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1525 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1527 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1534 nl80211_send_iftype_data(struct sk_buff *msg,
1535 const struct ieee80211_sband_iftype_data *iftdata)
1537 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1539 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1540 iftdata->types_mask))
1543 if (he_cap->has_he) {
1544 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1545 sizeof(he_cap->he_cap_elem.mac_cap_info),
1546 he_cap->he_cap_elem.mac_cap_info) ||
1547 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1548 sizeof(he_cap->he_cap_elem.phy_cap_info),
1549 he_cap->he_cap_elem.phy_cap_info) ||
1550 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1551 sizeof(he_cap->he_mcs_nss_supp),
1552 &he_cap->he_mcs_nss_supp) ||
1553 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1554 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1561 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1562 struct ieee80211_supported_band *sband)
1564 struct nlattr *nl_rates, *nl_rate;
1565 struct ieee80211_rate *rate;
1569 if (sband->ht_cap.ht_supported &&
1570 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1571 sizeof(sband->ht_cap.mcs),
1572 &sband->ht_cap.mcs) ||
1573 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1574 sband->ht_cap.cap) ||
1575 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1576 sband->ht_cap.ampdu_factor) ||
1577 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1578 sband->ht_cap.ampdu_density)))
1582 if (sband->vht_cap.vht_supported &&
1583 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1584 sizeof(sband->vht_cap.vht_mcs),
1585 &sband->vht_cap.vht_mcs) ||
1586 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1587 sband->vht_cap.cap)))
1590 if (sband->n_iftype_data) {
1591 struct nlattr *nl_iftype_data =
1592 nla_nest_start_noflag(msg,
1593 NL80211_BAND_ATTR_IFTYPE_DATA);
1596 if (!nl_iftype_data)
1599 for (i = 0; i < sband->n_iftype_data; i++) {
1600 struct nlattr *iftdata;
1602 iftdata = nla_nest_start_noflag(msg, i + 1);
1606 err = nl80211_send_iftype_data(msg,
1607 &sband->iftype_data[i]);
1611 nla_nest_end(msg, iftdata);
1614 nla_nest_end(msg, nl_iftype_data);
1618 if (sband->edmg_cap.channels &&
1619 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1620 sband->edmg_cap.channels) ||
1621 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1622 sband->edmg_cap.bw_config)))
1627 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1631 for (i = 0; i < sband->n_bitrates; i++) {
1632 nl_rate = nla_nest_start_noflag(msg, i);
1636 rate = &sband->bitrates[i];
1637 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1640 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1642 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1645 nla_nest_end(msg, nl_rate);
1648 nla_nest_end(msg, nl_rates);
1654 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1655 const struct ieee80211_txrx_stypes *mgmt_stypes)
1658 struct nlattr *nl_ftypes, *nl_ifs;
1659 enum nl80211_iftype ift;
1665 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1669 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1670 nl_ftypes = nla_nest_start_noflag(msg, ift);
1674 stypes = mgmt_stypes[ift].tx;
1677 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1678 (i << 4) | IEEE80211_FTYPE_MGMT))
1683 nla_nest_end(msg, nl_ftypes);
1686 nla_nest_end(msg, nl_ifs);
1688 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1692 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1693 nl_ftypes = nla_nest_start_noflag(msg, ift);
1697 stypes = mgmt_stypes[ift].rx;
1700 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1701 (i << 4) | IEEE80211_FTYPE_MGMT))
1706 nla_nest_end(msg, nl_ftypes);
1708 nla_nest_end(msg, nl_ifs);
1713 #define CMD(op, n) \
1715 if (rdev->ops->op) { \
1717 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1718 goto nla_put_failure; \
1722 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1723 struct sk_buff *msg)
1728 * do *NOT* add anything into this function, new things need to be
1729 * advertised only to new versions of userspace that can deal with
1730 * the split (and they can't possibly care about new features...
1732 CMD(add_virtual_intf, NEW_INTERFACE);
1733 CMD(change_virtual_intf, SET_INTERFACE);
1734 CMD(add_key, NEW_KEY);
1735 CMD(start_ap, START_AP);
1736 CMD(add_station, NEW_STATION);
1737 CMD(add_mpath, NEW_MPATH);
1738 CMD(update_mesh_config, SET_MESH_CONFIG);
1739 CMD(change_bss, SET_BSS);
1740 CMD(auth, AUTHENTICATE);
1741 CMD(assoc, ASSOCIATE);
1742 CMD(deauth, DEAUTHENTICATE);
1743 CMD(disassoc, DISASSOCIATE);
1744 CMD(join_ibss, JOIN_IBSS);
1745 CMD(join_mesh, JOIN_MESH);
1746 CMD(set_pmksa, SET_PMKSA);
1747 CMD(del_pmksa, DEL_PMKSA);
1748 CMD(flush_pmksa, FLUSH_PMKSA);
1749 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1750 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1751 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1752 CMD(mgmt_tx, FRAME);
1753 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1754 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1756 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1757 goto nla_put_failure;
1759 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1760 rdev->ops->join_mesh) {
1762 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1763 goto nla_put_failure;
1765 CMD(set_wds_peer, SET_WDS_PEER);
1766 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1767 CMD(tdls_mgmt, TDLS_MGMT);
1768 CMD(tdls_oper, TDLS_OPER);
1770 if (rdev->wiphy.max_sched_scan_reqs)
1771 CMD(sched_scan_start, START_SCHED_SCAN);
1772 CMD(probe_client, PROBE_CLIENT);
1773 CMD(set_noack_map, SET_NOACK_MAP);
1774 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1776 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1777 goto nla_put_failure;
1779 CMD(start_p2p_device, START_P2P_DEVICE);
1780 CMD(set_mcast_rate, SET_MCAST_RATE);
1781 #ifdef CONFIG_NL80211_TESTMODE
1782 CMD(testmode_cmd, TESTMODE);
1785 if (rdev->ops->connect || rdev->ops->auth) {
1787 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1788 goto nla_put_failure;
1791 if (rdev->ops->disconnect || rdev->ops->deauth) {
1793 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1794 goto nla_put_failure;
1803 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1804 struct sk_buff *msg)
1808 if (!cap->ftm.supported)
1811 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
1815 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1817 if (cap->ftm.non_asap &&
1818 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1820 if (cap->ftm.request_lci &&
1821 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1823 if (cap->ftm.request_civicloc &&
1824 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1826 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1827 cap->ftm.preambles))
1829 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1830 cap->ftm.bandwidths))
1832 if (cap->ftm.max_bursts_exponent >= 0 &&
1833 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1834 cap->ftm.max_bursts_exponent))
1836 if (cap->ftm.max_ftms_per_burst &&
1837 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1838 cap->ftm.max_ftms_per_burst))
1841 nla_nest_end(msg, ftm);
1845 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1846 struct sk_buff *msg)
1848 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1849 struct nlattr *pmsr, *caps;
1855 * we don't need to clean up anything here since the caller
1856 * will genlmsg_cancel() if we fail
1859 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
1863 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
1866 if (cap->report_ap_tsf &&
1867 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
1870 if (cap->randomize_mac_addr &&
1871 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
1874 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
1878 if (nl80211_send_pmsr_ftm_capa(cap, msg))
1881 nla_nest_end(msg, caps);
1882 nla_nest_end(msg, pmsr);
1887 struct nl80211_dump_wiphy_state {
1890 long split_start, band_start, chan_start, capa_start;
1894 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
1895 enum nl80211_commands cmd,
1896 struct sk_buff *msg, u32 portid, u32 seq,
1897 int flags, struct nl80211_dump_wiphy_state *state)
1900 struct nlattr *nl_bands, *nl_band;
1901 struct nlattr *nl_freqs, *nl_freq;
1902 struct nlattr *nl_cmds;
1903 enum nl80211_band band;
1904 struct ieee80211_channel *chan;
1906 const struct ieee80211_txrx_stypes *mgmt_stypes =
1907 rdev->wiphy.mgmt_stypes;
1910 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
1914 if (WARN_ON(!state))
1917 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
1918 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1919 wiphy_name(&rdev->wiphy)) ||
1920 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1921 cfg80211_rdev_list_generation))
1922 goto nla_put_failure;
1924 if (cmd != NL80211_CMD_NEW_WIPHY)
1927 switch (state->split_start) {
1929 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1930 rdev->wiphy.retry_short) ||
1931 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1932 rdev->wiphy.retry_long) ||
1933 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1934 rdev->wiphy.frag_threshold) ||
1935 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1936 rdev->wiphy.rts_threshold) ||
1937 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1938 rdev->wiphy.coverage_class) ||
1939 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1940 rdev->wiphy.max_scan_ssids) ||
1941 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1942 rdev->wiphy.max_sched_scan_ssids) ||
1943 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1944 rdev->wiphy.max_scan_ie_len) ||
1945 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1946 rdev->wiphy.max_sched_scan_ie_len) ||
1947 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1948 rdev->wiphy.max_match_sets) ||
1949 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
1950 rdev->wiphy.max_sched_scan_plans) ||
1951 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
1952 rdev->wiphy.max_sched_scan_plan_interval) ||
1953 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
1954 rdev->wiphy.max_sched_scan_plan_iterations))
1955 goto nla_put_failure;
1957 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1958 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1959 goto nla_put_failure;
1960 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1961 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1962 goto nla_put_failure;
1963 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1964 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1965 goto nla_put_failure;
1966 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1967 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1968 goto nla_put_failure;
1969 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1970 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1971 goto nla_put_failure;
1972 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1973 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1974 goto nla_put_failure;
1975 state->split_start++;
1980 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1981 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1982 rdev->wiphy.cipher_suites))
1983 goto nla_put_failure;
1985 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1986 rdev->wiphy.max_num_pmkids))
1987 goto nla_put_failure;
1989 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1990 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1991 goto nla_put_failure;
1993 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1994 rdev->wiphy.available_antennas_tx) ||
1995 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1996 rdev->wiphy.available_antennas_rx))
1997 goto nla_put_failure;
1999 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2000 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2001 rdev->wiphy.probe_resp_offload))
2002 goto nla_put_failure;
2004 if ((rdev->wiphy.available_antennas_tx ||
2005 rdev->wiphy.available_antennas_rx) &&
2006 rdev->ops->get_antenna) {
2007 u32 tx_ant = 0, rx_ant = 0;
2010 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2012 if (nla_put_u32(msg,
2013 NL80211_ATTR_WIPHY_ANTENNA_TX,
2016 NL80211_ATTR_WIPHY_ANTENNA_RX,
2018 goto nla_put_failure;
2022 state->split_start++;
2027 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2028 rdev->wiphy.interface_modes))
2029 goto nla_put_failure;
2030 state->split_start++;
2035 nl_bands = nla_nest_start_noflag(msg,
2036 NL80211_ATTR_WIPHY_BANDS);
2038 goto nla_put_failure;
2040 for (band = state->band_start;
2041 band < NUM_NL80211_BANDS; band++) {
2042 struct ieee80211_supported_band *sband;
2044 sband = rdev->wiphy.bands[band];
2049 nl_band = nla_nest_start_noflag(msg, band);
2051 goto nla_put_failure;
2053 switch (state->chan_start) {
2055 if (nl80211_send_band_rateinfo(msg, sband))
2056 goto nla_put_failure;
2057 state->chan_start++;
2062 /* add frequencies */
2063 nl_freqs = nla_nest_start_noflag(msg,
2064 NL80211_BAND_ATTR_FREQS);
2066 goto nla_put_failure;
2068 for (i = state->chan_start - 1;
2069 i < sband->n_channels;
2071 nl_freq = nla_nest_start_noflag(msg,
2074 goto nla_put_failure;
2076 chan = &sband->channels[i];
2078 if (nl80211_msg_put_channel(
2079 msg, &rdev->wiphy, chan,
2081 goto nla_put_failure;
2083 nla_nest_end(msg, nl_freq);
2087 if (i < sband->n_channels)
2088 state->chan_start = i + 2;
2090 state->chan_start = 0;
2091 nla_nest_end(msg, nl_freqs);
2094 nla_nest_end(msg, nl_band);
2097 /* start again here */
2098 if (state->chan_start)
2103 nla_nest_end(msg, nl_bands);
2105 if (band < NUM_NL80211_BANDS)
2106 state->band_start = band + 1;
2108 state->band_start = 0;
2110 /* if bands & channels are done, continue outside */
2111 if (state->band_start == 0 && state->chan_start == 0)
2112 state->split_start++;
2117 nl_cmds = nla_nest_start_noflag(msg,
2118 NL80211_ATTR_SUPPORTED_COMMANDS);
2120 goto nla_put_failure;
2122 i = nl80211_add_commands_unsplit(rdev, msg);
2124 goto nla_put_failure;
2126 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2127 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2128 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2129 CMD(channel_switch, CHANNEL_SWITCH);
2130 CMD(set_qos_map, SET_QOS_MAP);
2131 if (rdev->wiphy.features &
2132 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2133 CMD(add_tx_ts, ADD_TX_TS);
2134 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2135 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2136 CMD(update_ft_ies, UPDATE_FT_IES);
2140 nla_nest_end(msg, nl_cmds);
2141 state->split_start++;
2146 if (rdev->ops->remain_on_channel &&
2147 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2149 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2150 rdev->wiphy.max_remain_on_channel_duration))
2151 goto nla_put_failure;
2153 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2154 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2155 goto nla_put_failure;
2157 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2158 goto nla_put_failure;
2159 state->split_start++;
2165 if (nl80211_send_wowlan(msg, rdev, state->split))
2166 goto nla_put_failure;
2167 state->split_start++;
2171 state->split_start++;
2175 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2176 rdev->wiphy.software_iftypes))
2177 goto nla_put_failure;
2179 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2181 goto nla_put_failure;
2183 state->split_start++;
2188 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2189 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2190 rdev->wiphy.ap_sme_capa))
2191 goto nla_put_failure;
2193 features = rdev->wiphy.features;
2195 * We can only add the per-channel limit information if the
2196 * dump is split, otherwise it makes it too big. Therefore
2197 * only advertise it in that case.
2200 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2201 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2202 goto nla_put_failure;
2204 if (rdev->wiphy.ht_capa_mod_mask &&
2205 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2206 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2207 rdev->wiphy.ht_capa_mod_mask))
2208 goto nla_put_failure;
2210 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2211 rdev->wiphy.max_acl_mac_addrs &&
2212 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2213 rdev->wiphy.max_acl_mac_addrs))
2214 goto nla_put_failure;
2217 * Any information below this point is only available to
2218 * applications that can deal with it being split. This
2219 * helps ensure that newly added capabilities don't break
2220 * older tools by overrunning their buffers.
2222 * We still increment split_start so that in the split
2223 * case we'll continue with more data in the next round,
2224 * but break unconditionally so unsplit data stops here.
2226 state->split_start++;
2229 if (rdev->wiphy.extended_capabilities &&
2230 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2231 rdev->wiphy.extended_capabilities_len,
2232 rdev->wiphy.extended_capabilities) ||
2233 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2234 rdev->wiphy.extended_capabilities_len,
2235 rdev->wiphy.extended_capabilities_mask)))
2236 goto nla_put_failure;
2238 if (rdev->wiphy.vht_capa_mod_mask &&
2239 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2240 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2241 rdev->wiphy.vht_capa_mod_mask))
2242 goto nla_put_failure;
2244 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2245 rdev->wiphy.perm_addr))
2246 goto nla_put_failure;
2248 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2249 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2250 rdev->wiphy.addr_mask))
2251 goto nla_put_failure;
2253 if (rdev->wiphy.n_addresses > 1) {
2256 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2258 goto nla_put_failure;
2260 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2261 if (nla_put(msg, i + 1, ETH_ALEN,
2262 rdev->wiphy.addresses[i].addr))
2263 goto nla_put_failure;
2265 nla_nest_end(msg, attr);
2268 state->split_start++;
2271 if (nl80211_send_coalesce(msg, rdev))
2272 goto nla_put_failure;
2274 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2275 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2276 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2277 goto nla_put_failure;
2279 if (rdev->wiphy.max_ap_assoc_sta &&
2280 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2281 rdev->wiphy.max_ap_assoc_sta))
2282 goto nla_put_failure;
2284 state->split_start++;
2287 if (rdev->wiphy.n_vendor_commands) {
2288 const struct nl80211_vendor_cmd_info *info;
2289 struct nlattr *nested;
2291 nested = nla_nest_start_noflag(msg,
2292 NL80211_ATTR_VENDOR_DATA);
2294 goto nla_put_failure;
2296 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2297 info = &rdev->wiphy.vendor_commands[i].info;
2298 if (nla_put(msg, i + 1, sizeof(*info), info))
2299 goto nla_put_failure;
2301 nla_nest_end(msg, nested);
2304 if (rdev->wiphy.n_vendor_events) {
2305 const struct nl80211_vendor_cmd_info *info;
2306 struct nlattr *nested;
2308 nested = nla_nest_start_noflag(msg,
2309 NL80211_ATTR_VENDOR_EVENTS);
2311 goto nla_put_failure;
2313 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2314 info = &rdev->wiphy.vendor_events[i];
2315 if (nla_put(msg, i + 1, sizeof(*info), info))
2316 goto nla_put_failure;
2318 nla_nest_end(msg, nested);
2320 state->split_start++;
2323 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2324 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2325 rdev->wiphy.max_num_csa_counters))
2326 goto nla_put_failure;
2328 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2329 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2330 goto nla_put_failure;
2332 if (rdev->wiphy.max_sched_scan_reqs &&
2333 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2334 rdev->wiphy.max_sched_scan_reqs))
2335 goto nla_put_failure;
2337 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2338 sizeof(rdev->wiphy.ext_features),
2339 rdev->wiphy.ext_features))
2340 goto nla_put_failure;
2342 if (rdev->wiphy.bss_select_support) {
2343 struct nlattr *nested;
2344 u32 bss_select_support = rdev->wiphy.bss_select_support;
2346 nested = nla_nest_start_noflag(msg,
2347 NL80211_ATTR_BSS_SELECT);
2349 goto nla_put_failure;
2352 while (bss_select_support) {
2353 if ((bss_select_support & 1) &&
2354 nla_put_flag(msg, i))
2355 goto nla_put_failure;
2357 bss_select_support >>= 1;
2359 nla_nest_end(msg, nested);
2362 state->split_start++;
2365 if (rdev->wiphy.num_iftype_ext_capab &&
2366 rdev->wiphy.iftype_ext_capab) {
2367 struct nlattr *nested_ext_capab, *nested;
2369 nested = nla_nest_start_noflag(msg,
2370 NL80211_ATTR_IFTYPE_EXT_CAPA);
2372 goto nla_put_failure;
2374 for (i = state->capa_start;
2375 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2376 const struct wiphy_iftype_ext_capab *capab;
2378 capab = &rdev->wiphy.iftype_ext_capab[i];
2380 nested_ext_capab = nla_nest_start_noflag(msg,
2382 if (!nested_ext_capab ||
2383 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2385 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2386 capab->extended_capabilities_len,
2387 capab->extended_capabilities) ||
2388 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2389 capab->extended_capabilities_len,
2390 capab->extended_capabilities_mask))
2391 goto nla_put_failure;
2393 nla_nest_end(msg, nested_ext_capab);
2397 nla_nest_end(msg, nested);
2398 if (i < rdev->wiphy.num_iftype_ext_capab) {
2399 state->capa_start = i + 1;
2404 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2405 rdev->wiphy.nan_supported_bands))
2406 goto nla_put_failure;
2408 if (wiphy_ext_feature_isset(&rdev->wiphy,
2409 NL80211_EXT_FEATURE_TXQS)) {
2410 struct cfg80211_txq_stats txqstats = {};
2413 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2415 !nl80211_put_txq_stats(msg, &txqstats,
2416 NL80211_ATTR_TXQ_STATS))
2417 goto nla_put_failure;
2419 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2420 rdev->wiphy.txq_limit))
2421 goto nla_put_failure;
2422 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2423 rdev->wiphy.txq_memory_limit))
2424 goto nla_put_failure;
2425 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2426 rdev->wiphy.txq_quantum))
2427 goto nla_put_failure;
2430 state->split_start++;
2433 if (nl80211_send_pmsr_capa(rdev, msg))
2434 goto nla_put_failure;
2436 state->split_start++;
2439 if (rdev->wiphy.akm_suites &&
2440 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2441 sizeof(u32) * rdev->wiphy.n_akm_suites,
2442 rdev->wiphy.akm_suites))
2443 goto nla_put_failure;
2446 state->split_start = 0;
2450 genlmsg_end(msg, hdr);
2454 genlmsg_cancel(msg, hdr);
2458 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2459 struct netlink_callback *cb,
2460 struct nl80211_dump_wiphy_state *state)
2462 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2468 ret = nlmsg_parse_deprecated(cb->nlh,
2469 GENL_HDRLEN + nl80211_fam.hdrsize,
2470 tb, nl80211_fam.maxattr,
2471 nl80211_policy, NULL);
2472 /* ignore parse errors for backward compatibility */
2478 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2479 if (tb[NL80211_ATTR_WIPHY])
2480 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2481 if (tb[NL80211_ATTR_WDEV])
2482 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2483 if (tb[NL80211_ATTR_IFINDEX]) {
2484 struct net_device *netdev;
2485 struct cfg80211_registered_device *rdev;
2486 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2488 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2493 if (netdev->ieee80211_ptr) {
2494 rdev = wiphy_to_rdev(
2495 netdev->ieee80211_ptr->wiphy);
2496 state->filter_wiphy = rdev->wiphy_idx;
2506 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2509 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2510 struct cfg80211_registered_device *rdev;
2514 state = kzalloc(sizeof(*state), GFP_KERNEL);
2519 state->filter_wiphy = -1;
2520 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2526 cb->args[0] = (long)state;
2529 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2530 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2532 if (++idx <= state->start)
2534 if (state->filter_wiphy != -1 &&
2535 state->filter_wiphy != rdev->wiphy_idx)
2537 /* attempt to fit multiple wiphy data chunks into the skb */
2539 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2541 NETLINK_CB(cb->skb).portid,
2543 NLM_F_MULTI, state);
2546 * If sending the wiphy data didn't fit (ENOBUFS
2547 * or EMSGSIZE returned), this SKB is still
2548 * empty (so it's not too big because another
2549 * wiphy dataset is already in the skb) and
2550 * we've not tried to adjust the dump allocation
2551 * yet ... then adjust the alloc size to be
2552 * bigger, and return 1 but with the empty skb.
2553 * This results in an empty message being RX'ed
2554 * in userspace, but that is ignored.
2556 * We can then retry with the larger buffer.
2558 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2559 !skb->len && !state->split &&
2560 cb->min_dump_alloc < 4096) {
2561 cb->min_dump_alloc = 4096;
2562 state->split_start = 0;
2569 } while (state->split_start > 0);
2579 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2581 kfree((void *)cb->args[0]);
2585 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2587 struct sk_buff *msg;
2588 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2589 struct nl80211_dump_wiphy_state state = {};
2591 msg = nlmsg_new(4096, GFP_KERNEL);
2595 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2596 info->snd_portid, info->snd_seq, 0,
2602 return genlmsg_reply(msg, info);
2605 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2606 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2607 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2608 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2609 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2610 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2613 static int parse_txq_params(struct nlattr *tb[],
2614 struct ieee80211_txq_params *txq_params)
2618 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2619 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2620 !tb[NL80211_TXQ_ATTR_AIFS])
2623 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2624 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2625 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2626 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2627 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2629 if (ac >= NL80211_NUM_ACS)
2631 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2635 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2638 * You can only set the channel explicitly for WDS interfaces,
2639 * all others have their channel managed via their respective
2640 * "establish a connection" command (connect, join, ...)
2642 * For AP/GO and mesh mode, the channel can be set with the
2643 * channel userspace API, but is only stored and passed to the
2644 * low-level driver when the AP starts or the mesh is joined.
2645 * This is for backward compatibility, userspace can also give
2646 * the channel in the start-ap or join-mesh commands instead.
2648 * Monitors are special as they are normally slaved to
2649 * whatever else is going on, so they have their own special
2650 * operation to set the monitor channel if possible.
2653 wdev->iftype == NL80211_IFTYPE_AP ||
2654 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2655 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2656 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2659 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2660 struct genl_info *info,
2661 struct cfg80211_chan_def *chandef)
2663 struct netlink_ext_ack *extack = info->extack;
2664 struct nlattr **attrs = info->attrs;
2667 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
2670 control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);
2672 memset(chandef, 0, sizeof(*chandef));
2674 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
2675 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2676 chandef->center_freq1 = control_freq;
2677 chandef->center_freq2 = 0;
2679 /* Primary channel not allowed */
2680 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2681 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2682 "Channel is disabled");
2686 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2687 enum nl80211_channel_type chantype;
2689 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2692 case NL80211_CHAN_NO_HT:
2693 case NL80211_CHAN_HT20:
2694 case NL80211_CHAN_HT40PLUS:
2695 case NL80211_CHAN_HT40MINUS:
2696 cfg80211_chandef_create(chandef, chandef->chan,
2698 /* user input for center_freq is incorrect */
2699 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
2700 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
2701 NL_SET_ERR_MSG_ATTR(extack,
2702 attrs[NL80211_ATTR_CENTER_FREQ1],
2703 "bad center frequency 1");
2706 /* center_freq2 must be zero */
2707 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
2708 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
2709 NL_SET_ERR_MSG_ATTR(extack,
2710 attrs[NL80211_ATTR_CENTER_FREQ2],
2711 "center frequency 2 can't be used");
2716 NL_SET_ERR_MSG_ATTR(extack,
2717 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2718 "invalid channel type");
2721 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
2723 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2724 if (attrs[NL80211_ATTR_CENTER_FREQ1])
2725 chandef->center_freq1 =
2726 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
2727 if (attrs[NL80211_ATTR_CENTER_FREQ2])
2728 chandef->center_freq2 =
2729 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
2732 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
2733 chandef->edmg.channels =
2734 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
2736 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
2737 chandef->edmg.bw_config =
2738 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
2740 chandef->edmg.bw_config = 0;
2741 chandef->edmg.channels = 0;
2744 if (!cfg80211_chandef_valid(chandef)) {
2745 NL_SET_ERR_MSG(extack, "invalid channel definition");
2749 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
2750 IEEE80211_CHAN_DISABLED)) {
2751 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
2755 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2756 chandef->width == NL80211_CHAN_WIDTH_10) &&
2757 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
2758 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2765 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
2766 struct net_device *dev,
2767 struct genl_info *info)
2769 struct cfg80211_chan_def chandef;
2771 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
2772 struct wireless_dev *wdev = NULL;
2775 wdev = dev->ieee80211_ptr;
2776 if (!nl80211_can_set_dev_channel(wdev))
2779 iftype = wdev->iftype;
2781 result = nl80211_parse_chandef(rdev, info, &chandef);
2786 case NL80211_IFTYPE_AP:
2787 case NL80211_IFTYPE_P2P_GO:
2788 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2793 if (wdev->beacon_interval) {
2794 if (!dev || !rdev->ops->set_ap_chanwidth ||
2795 !(rdev->wiphy.features &
2796 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2801 /* Only allow dynamic channel width changes */
2802 if (chandef.chan != wdev->preset_chandef.chan) {
2806 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2810 wdev->preset_chandef = chandef;
2813 case NL80211_IFTYPE_MESH_POINT:
2814 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
2816 case NL80211_IFTYPE_MONITOR:
2817 result = cfg80211_set_monitor_channel(rdev, &chandef);
2826 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2828 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2829 struct net_device *netdev = info->user_ptr[1];
2831 return __nl80211_set_channel(rdev, netdev, info);
2834 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2836 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2837 struct net_device *dev = info->user_ptr[1];
2838 struct wireless_dev *wdev = dev->ieee80211_ptr;
2841 if (!info->attrs[NL80211_ATTR_MAC])
2844 if (netif_running(dev))
2847 if (!rdev->ops->set_wds_peer)
2850 if (wdev->iftype != NL80211_IFTYPE_WDS)
2853 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
2854 return rdev_set_wds_peer(rdev, dev, bssid);
2857 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2859 struct cfg80211_registered_device *rdev;
2860 struct net_device *netdev = NULL;
2861 struct wireless_dev *wdev;
2862 int result = 0, rem_txq_params = 0;
2863 struct nlattr *nl_txq_params;
2865 u8 retry_short = 0, retry_long = 0;
2866 u32 frag_threshold = 0, rts_threshold = 0;
2867 u8 coverage_class = 0;
2868 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
2873 * Try to find the wiphy and netdev. Normally this
2874 * function shouldn't need the netdev, but this is
2875 * done for backward compatibility -- previously
2876 * setting the channel was done per wiphy, but now
2877 * it is per netdev. Previous userland like hostapd
2878 * also passed a netdev to set_wiphy, so that it is
2879 * possible to let that go to the right netdev!
2882 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2883 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2885 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
2886 if (netdev && netdev->ieee80211_ptr)
2887 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
2893 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2896 return PTR_ERR(rdev);
2901 wdev = netdev->ieee80211_ptr;
2904 * end workaround code, by now the rdev is available
2905 * and locked, and wdev may or may not be NULL.
2908 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
2909 result = cfg80211_dev_rename(
2910 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
2915 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2916 struct ieee80211_txq_params txq_params;
2917 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2919 if (!rdev->ops->set_txq_params)
2925 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2926 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2929 if (!netif_running(netdev))
2932 nla_for_each_nested(nl_txq_params,
2933 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2935 result = nla_parse_nested_deprecated(tb,
2936 NL80211_TXQ_ATTR_MAX,
2942 result = parse_txq_params(tb, &txq_params);
2946 result = rdev_set_txq_params(rdev, netdev,
2953 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2954 result = __nl80211_set_channel(
2956 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2962 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2963 struct wireless_dev *txp_wdev = wdev;
2964 enum nl80211_tx_power_setting type;
2967 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2970 if (!rdev->ops->set_tx_power)
2973 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2974 type = nla_get_u32(info->attrs[idx]);
2976 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2977 (type != NL80211_TX_POWER_AUTOMATIC))
2980 if (type != NL80211_TX_POWER_AUTOMATIC) {
2981 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2982 mbm = nla_get_u32(info->attrs[idx]);
2985 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2990 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2991 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2994 if ((!rdev->wiphy.available_antennas_tx &&
2995 !rdev->wiphy.available_antennas_rx) ||
2996 !rdev->ops->set_antenna)
2999 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3000 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3002 /* reject antenna configurations which don't match the
3003 * available antenna masks, except for the "all" mask */
3004 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3005 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
3008 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3009 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3011 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3018 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3019 retry_short = nla_get_u8(
3020 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3022 changed |= WIPHY_PARAM_RETRY_SHORT;
3025 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3026 retry_long = nla_get_u8(
3027 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3029 changed |= WIPHY_PARAM_RETRY_LONG;
3032 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3033 frag_threshold = nla_get_u32(
3034 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3035 if (frag_threshold < 256)
3038 if (frag_threshold != (u32) -1) {
3040 * Fragments (apart from the last one) are required to
3041 * have even length. Make the fragmentation code
3042 * simpler by stripping LSB should someone try to use
3043 * odd threshold value.
3045 frag_threshold &= ~0x1;
3047 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3050 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3051 rts_threshold = nla_get_u32(
3052 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3053 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3056 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3057 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
3060 coverage_class = nla_get_u8(
3061 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3062 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3065 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3066 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
3069 changed |= WIPHY_PARAM_DYN_ACK;
3072 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3073 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3074 NL80211_EXT_FEATURE_TXQS))
3076 txq_limit = nla_get_u32(
3077 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3078 changed |= WIPHY_PARAM_TXQ_LIMIT;
3081 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3082 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3083 NL80211_EXT_FEATURE_TXQS))
3085 txq_memory_limit = nla_get_u32(
3086 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3087 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3090 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3091 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3092 NL80211_EXT_FEATURE_TXQS))
3094 txq_quantum = nla_get_u32(
3095 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3096 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3100 u8 old_retry_short, old_retry_long;
3101 u32 old_frag_threshold, old_rts_threshold;
3102 u8 old_coverage_class;
3103 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3105 if (!rdev->ops->set_wiphy_params)
3108 old_retry_short = rdev->wiphy.retry_short;
3109 old_retry_long = rdev->wiphy.retry_long;
3110 old_frag_threshold = rdev->wiphy.frag_threshold;
3111 old_rts_threshold = rdev->wiphy.rts_threshold;
3112 old_coverage_class = rdev->wiphy.coverage_class;
3113 old_txq_limit = rdev->wiphy.txq_limit;
3114 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3115 old_txq_quantum = rdev->wiphy.txq_quantum;
3117 if (changed & WIPHY_PARAM_RETRY_SHORT)
3118 rdev->wiphy.retry_short = retry_short;
3119 if (changed & WIPHY_PARAM_RETRY_LONG)
3120 rdev->wiphy.retry_long = retry_long;
3121 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3122 rdev->wiphy.frag_threshold = frag_threshold;
3123 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3124 rdev->wiphy.rts_threshold = rts_threshold;
3125 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3126 rdev->wiphy.coverage_class = coverage_class;
3127 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3128 rdev->wiphy.txq_limit = txq_limit;
3129 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3130 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3131 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3132 rdev->wiphy.txq_quantum = txq_quantum;
3134 result = rdev_set_wiphy_params(rdev, changed);
3136 rdev->wiphy.retry_short = old_retry_short;
3137 rdev->wiphy.retry_long = old_retry_long;
3138 rdev->wiphy.frag_threshold = old_frag_threshold;
3139 rdev->wiphy.rts_threshold = old_rts_threshold;
3140 rdev->wiphy.coverage_class = old_coverage_class;
3141 rdev->wiphy.txq_limit = old_txq_limit;
3142 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3143 rdev->wiphy.txq_quantum = old_txq_quantum;
3150 static int nl80211_send_chandef(struct sk_buff *msg,
3151 const struct cfg80211_chan_def *chandef)
3153 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3156 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3157 chandef->chan->center_freq))
3159 switch (chandef->width) {
3160 case NL80211_CHAN_WIDTH_20_NOHT:
3161 case NL80211_CHAN_WIDTH_20:
3162 case NL80211_CHAN_WIDTH_40:
3163 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3164 cfg80211_get_chandef_type(chandef)))
3170 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3172 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3174 if (chandef->center_freq2 &&
3175 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3180 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3181 struct cfg80211_registered_device *rdev,
3182 struct wireless_dev *wdev,
3183 enum nl80211_commands cmd)
3185 struct net_device *dev = wdev->netdev;
3188 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3189 cmd != NL80211_CMD_DEL_INTERFACE &&
3190 cmd != NL80211_CMD_SET_INTERFACE);
3192 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3197 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3198 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3199 goto nla_put_failure;
3201 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3202 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3203 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3204 NL80211_ATTR_PAD) ||
3205 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3206 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3207 rdev->devlist_generation ^
3208 (cfg80211_rdev_list_generation << 2)) ||
3209 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3210 goto nla_put_failure;
3212 if (rdev->ops->get_channel) {
3214 struct cfg80211_chan_def chandef = {};
3216 ret = rdev_get_channel(rdev, wdev, &chandef);
3218 if (nl80211_send_chandef(msg, &chandef))
3219 goto nla_put_failure;
3223 if (rdev->ops->get_tx_power) {
3226 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3228 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3230 goto nla_put_failure;
3234 switch (wdev->iftype) {
3235 case NL80211_IFTYPE_AP:
3236 if (wdev->ssid_len &&
3237 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3238 goto nla_put_failure_locked;
3240 case NL80211_IFTYPE_STATION:
3241 case NL80211_IFTYPE_P2P_CLIENT:
3242 case NL80211_IFTYPE_ADHOC: {
3244 if (!wdev->current_bss)
3247 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3250 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3251 goto nla_put_failure_rcu_locked;
3261 if (rdev->ops->get_txq_stats) {
3262 struct cfg80211_txq_stats txqstats = {};
3263 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3266 !nl80211_put_txq_stats(msg, &txqstats,
3267 NL80211_ATTR_TXQ_STATS))
3268 goto nla_put_failure;
3271 genlmsg_end(msg, hdr);
3274 nla_put_failure_rcu_locked:
3276 nla_put_failure_locked:
3279 genlmsg_cancel(msg, hdr);
3283 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3287 int wp_start = cb->args[0];
3288 int if_start = cb->args[1];
3289 int filter_wiphy = -1;
3290 struct cfg80211_registered_device *rdev;
3291 struct wireless_dev *wdev;
3296 struct nl80211_dump_wiphy_state state = {
3300 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3304 filter_wiphy = state.filter_wiphy;
3307 * if filtering, set cb->args[2] to +1 since 0 is the default
3308 * value needed to determine that parsing is necessary.
3310 if (filter_wiphy >= 0)
3311 cb->args[2] = filter_wiphy + 1;
3314 } else if (cb->args[2] > 0) {
3315 filter_wiphy = cb->args[2] - 1;
3318 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3319 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3321 if (wp_idx < wp_start) {
3326 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3331 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3332 if (if_idx < if_start) {
3336 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3337 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3339 NL80211_CMD_NEW_INTERFACE) < 0) {
3348 cb->args[0] = wp_idx;
3349 cb->args[1] = if_idx;
3358 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3360 struct sk_buff *msg;
3361 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3362 struct wireless_dev *wdev = info->user_ptr[1];
3364 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3368 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3369 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3374 return genlmsg_reply(msg, info);
3377 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3378 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3379 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3380 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3381 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3382 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3383 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3386 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3388 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3396 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3399 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3401 *mntrflags |= (1<<flag);
3403 *mntrflags |= MONITOR_FLAG_CHANGED;
3408 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3409 enum nl80211_iftype type,
3410 struct genl_info *info,
3411 struct vif_params *params)
3413 bool change = false;
3416 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3417 if (type != NL80211_IFTYPE_MONITOR)
3420 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3428 if (params->flags & MONITOR_FLAG_ACTIVE &&
3429 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3432 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3433 const u8 *mumimo_groups;
3434 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3436 if (type != NL80211_IFTYPE_MONITOR)
3439 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3443 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3445 /* bits 0 and 63 are reserved and must be zero */
3446 if ((mumimo_groups[0] & BIT(0)) ||
3447 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3450 params->vht_mumimo_groups = mumimo_groups;
3454 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3455 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3457 if (type != NL80211_IFTYPE_MONITOR)
3460 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3463 params->vht_mumimo_follow_addr =
3464 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3468 return change ? 1 : 0;
3471 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3472 struct net_device *netdev, u8 use_4addr,
3473 enum nl80211_iftype iftype)
3476 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
3482 case NL80211_IFTYPE_AP_VLAN:
3483 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3486 case NL80211_IFTYPE_STATION:
3487 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3497 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3499 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3500 struct vif_params params;
3502 enum nl80211_iftype otype, ntype;
3503 struct net_device *dev = info->user_ptr[1];
3504 bool change = false;
3506 memset(¶ms, 0, sizeof(params));
3508 otype = ntype = dev->ieee80211_ptr->iftype;
3510 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3511 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3516 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3517 struct wireless_dev *wdev = dev->ieee80211_ptr;
3519 if (ntype != NL80211_IFTYPE_MESH_POINT)
3521 if (netif_running(dev))
3525 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3526 IEEE80211_MAX_MESH_ID_LEN);
3527 wdev->mesh_id_up_len =
3528 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3529 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3530 wdev->mesh_id_up_len);
3534 if (info->attrs[NL80211_ATTR_4ADDR]) {
3535 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3537 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3541 params.use_4addr = -1;
3544 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3551 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3555 if (!err && params.use_4addr != -1)
3556 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3558 if (change && !err) {
3559 struct wireless_dev *wdev = dev->ieee80211_ptr;
3561 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3567 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3569 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3570 struct vif_params params;
3571 struct wireless_dev *wdev;
3572 struct sk_buff *msg;
3574 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3576 /* to avoid failing a new interface creation due to pending removal */
3577 cfg80211_destroy_ifaces(rdev);
3579 memset(¶ms, 0, sizeof(params));
3581 if (!info->attrs[NL80211_ATTR_IFNAME])
3584 if (info->attrs[NL80211_ATTR_IFTYPE])
3585 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3587 if (!rdev->ops->add_virtual_intf)
3590 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3591 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3592 info->attrs[NL80211_ATTR_MAC]) {
3593 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3595 if (!is_valid_ether_addr(params.macaddr))
3596 return -EADDRNOTAVAIL;
3599 if (info->attrs[NL80211_ATTR_4ADDR]) {
3600 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3601 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3606 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
3609 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3613 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3617 wdev = rdev_add_virtual_intf(rdev,
3618 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3619 NET_NAME_USER, type, ¶ms);
3620 if (WARN_ON(!wdev)) {
3623 } else if (IS_ERR(wdev)) {
3625 return PTR_ERR(wdev);
3628 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3629 wdev->owner_nlportid = info->snd_portid;
3632 case NL80211_IFTYPE_MESH_POINT:
3633 if (!info->attrs[NL80211_ATTR_MESH_ID])
3636 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3637 IEEE80211_MAX_MESH_ID_LEN);
3638 wdev->mesh_id_up_len =
3639 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3640 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3641 wdev->mesh_id_up_len);
3644 case NL80211_IFTYPE_NAN:
3645 case NL80211_IFTYPE_P2P_DEVICE:
3647 * P2P Device and NAN do not have a netdev, so don't go
3648 * through the netdev notifier and must be added here
3650 cfg80211_init_wdev(rdev, wdev);
3656 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3657 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3662 return genlmsg_reply(msg, info);
3665 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3667 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3668 struct wireless_dev *wdev = info->user_ptr[1];
3670 if (!rdev->ops->del_virtual_intf)
3674 * If we remove a wireless device without a netdev then clear
3675 * user_ptr[1] so that nl80211_post_doit won't dereference it
3676 * to check if it needs to do dev_put(). Otherwise it crashes
3677 * since the wdev has been freed, unlike with a netdev where
3678 * we need the dev_put() for the netdev to really be freed.
3681 info->user_ptr[1] = NULL;
3683 return rdev_del_virtual_intf(rdev, wdev);
3686 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3688 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3689 struct net_device *dev = info->user_ptr[1];
3692 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3695 if (!rdev->ops->set_noack_map)
3698 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3700 return rdev_set_noack_map(rdev, dev, noack_map);
3703 struct get_key_cookie {
3704 struct sk_buff *msg;
3709 static void get_key_callback(void *c, struct key_params *params)
3712 struct get_key_cookie *cookie = c;
3715 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3716 params->key_len, params->key)) ||
3718 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3719 params->seq_len, params->seq)) ||
3721 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3723 goto nla_put_failure;
3725 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
3727 goto nla_put_failure;
3730 nla_put(cookie->msg, NL80211_KEY_DATA,
3731 params->key_len, params->key)) ||
3733 nla_put(cookie->msg, NL80211_KEY_SEQ,
3734 params->seq_len, params->seq)) ||
3736 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3738 goto nla_put_failure;
3740 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
3741 goto nla_put_failure;
3743 nla_nest_end(cookie->msg, key);
3750 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3752 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3754 struct net_device *dev = info->user_ptr[1];
3756 const u8 *mac_addr = NULL;
3758 struct get_key_cookie cookie = {
3762 struct sk_buff *msg;
3764 if (info->attrs[NL80211_ATTR_KEY_IDX])
3765 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3767 if (info->attrs[NL80211_ATTR_MAC])
3768 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3770 pairwise = !!mac_addr;
3771 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3772 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
3774 if (kt != NL80211_KEYTYPE_GROUP &&
3775 kt != NL80211_KEYTYPE_PAIRWISE)
3777 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3780 if (!rdev->ops->get_key)
3783 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3786 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3790 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3791 NL80211_CMD_NEW_KEY);
3793 goto nla_put_failure;
3796 cookie.idx = key_idx;
3798 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3799 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3800 goto nla_put_failure;
3802 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3803 goto nla_put_failure;
3805 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3812 goto nla_put_failure;
3814 genlmsg_end(msg, hdr);
3815 return genlmsg_reply(msg, info);
3824 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3826 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3827 struct key_parse key;
3829 struct net_device *dev = info->user_ptr[1];
3831 err = nl80211_parse_key(info, &key);
3838 /* Only support setting default key and
3839 * Extended Key ID action NL80211_KEY_SET_TX.
3841 if (!key.def && !key.defmgmt &&
3842 !(key.p.mode == NL80211_KEY_SET_TX))
3845 wdev_lock(dev->ieee80211_ptr);
3848 if (!rdev->ops->set_default_key) {
3853 err = nl80211_key_allowed(dev->ieee80211_ptr);
3857 err = rdev_set_default_key(rdev, dev, key.idx,
3858 key.def_uni, key.def_multi);
3863 #ifdef CONFIG_CFG80211_WEXT
3864 dev->ieee80211_ptr->wext.default_key = key.idx;
3866 } else if (key.defmgmt) {
3867 if (key.def_uni || !key.def_multi) {
3872 if (!rdev->ops->set_default_mgmt_key) {
3877 err = nl80211_key_allowed(dev->ieee80211_ptr);
3881 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
3885 #ifdef CONFIG_CFG80211_WEXT
3886 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
3888 } else if (key.p.mode == NL80211_KEY_SET_TX &&
3889 wiphy_ext_feature_isset(&rdev->wiphy,
3890 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
3891 u8 *mac_addr = NULL;
3893 if (info->attrs[NL80211_ATTR_MAC])
3894 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3896 if (!mac_addr || key.idx < 0 || key.idx > 1) {
3901 err = rdev_add_key(rdev, dev, key.idx,
3902 NL80211_KEYTYPE_PAIRWISE,
3908 wdev_unlock(dev->ieee80211_ptr);
3913 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3915 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3917 struct net_device *dev = info->user_ptr[1];
3918 struct key_parse key;
3919 const u8 *mac_addr = NULL;
3921 err = nl80211_parse_key(info, &key);
3928 if (info->attrs[NL80211_ATTR_MAC])
3929 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3931 if (key.type == -1) {
3933 key.type = NL80211_KEYTYPE_PAIRWISE;
3935 key.type = NL80211_KEYTYPE_GROUP;
3939 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3940 key.type != NL80211_KEYTYPE_GROUP)
3943 if (!rdev->ops->add_key)
3946 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3947 key.type == NL80211_KEYTYPE_PAIRWISE,
3951 wdev_lock(dev->ieee80211_ptr);
3952 err = nl80211_key_allowed(dev->ieee80211_ptr);
3954 err = rdev_add_key(rdev, dev, key.idx,
3955 key.type == NL80211_KEYTYPE_PAIRWISE,
3957 wdev_unlock(dev->ieee80211_ptr);
3962 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3964 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3966 struct net_device *dev = info->user_ptr[1];
3967 u8 *mac_addr = NULL;
3968 struct key_parse key;
3970 err = nl80211_parse_key(info, &key);
3974 if (info->attrs[NL80211_ATTR_MAC])
3975 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3977 if (key.type == -1) {
3979 key.type = NL80211_KEYTYPE_PAIRWISE;
3981 key.type = NL80211_KEYTYPE_GROUP;
3985 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3986 key.type != NL80211_KEYTYPE_GROUP)
3989 if (!rdev->ops->del_key)
3992 wdev_lock(dev->ieee80211_ptr);
3993 err = nl80211_key_allowed(dev->ieee80211_ptr);
3995 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
3996 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4000 err = rdev_del_key(rdev, dev, key.idx,
4001 key.type == NL80211_KEYTYPE_PAIRWISE,
4004 #ifdef CONFIG_CFG80211_WEXT
4006 if (key.idx == dev->ieee80211_ptr->wext.default_key)
4007 dev->ieee80211_ptr->wext.default_key = -1;
4008 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
4009 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4012 wdev_unlock(dev->ieee80211_ptr);
4017 /* This function returns an error or the number of nested attributes */
4018 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4020 struct nlattr *attr;
4021 int n_entries = 0, tmp;
4023 nla_for_each_nested(attr, nl_attr, tmp) {
4024 if (nla_len(attr) != ETH_ALEN)
4034 * This function parses ACL information and allocates memory for ACL data.
4035 * On successful return, the calling function is responsible to free the
4036 * ACL buffer returned by this function.
4038 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4039 struct genl_info *info)
4041 enum nl80211_acl_policy acl_policy;
4042 struct nlattr *attr;
4043 struct cfg80211_acl_data *acl;
4044 int i = 0, n_entries, tmp;
4046 if (!wiphy->max_acl_mac_addrs)
4047 return ERR_PTR(-EOPNOTSUPP);
4049 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4050 return ERR_PTR(-EINVAL);
4052 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4053 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4054 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4055 return ERR_PTR(-EINVAL);
4057 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4058 return ERR_PTR(-EINVAL);
4060 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4062 return ERR_PTR(n_entries);
4064 if (n_entries > wiphy->max_acl_mac_addrs)
4065 return ERR_PTR(-ENOTSUPP);
4067 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4069 return ERR_PTR(-ENOMEM);
4071 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4072 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4076 acl->n_acl_entries = n_entries;
4077 acl->acl_policy = acl_policy;
4082 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4084 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4085 struct net_device *dev = info->user_ptr[1];
4086 struct cfg80211_acl_data *acl;
4089 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4090 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4093 if (!dev->ieee80211_ptr->beacon_interval)
4096 acl = parse_acl_data(&rdev->wiphy, info);
4098 return PTR_ERR(acl);
4100 err = rdev_set_mac_acl(rdev, dev, acl);
4107 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4108 u8 *rates, u8 rates_len)
4113 for (i = 0; i < rates_len; i++) {
4114 int rate = (rates[i] & 0x7f) * 5;
4117 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4118 struct ieee80211_rate *srate =
4119 &sband->bitrates[ridx];
4120 if (rate == srate->bitrate) {
4125 if (ridx == sband->n_bitrates)
4126 return 0; /* rate not found */
4132 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4133 u8 *rates, u8 rates_len,
4134 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4138 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4140 for (i = 0; i < rates_len; i++) {
4143 ridx = rates[i] / 8;
4144 rbit = BIT(rates[i] % 8);
4146 /* check validity */
4147 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4150 /* check availability */
4151 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4152 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4161 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4165 switch (vht_mcs_map) {
4166 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4168 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4171 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4174 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4184 static void vht_build_mcs_mask(u16 vht_mcs_map,
4185 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4189 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4190 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4195 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4196 struct nl80211_txrate_vht *txrate,
4197 u16 mcs[NL80211_VHT_NSS_MAX])
4199 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4200 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4203 if (!sband->vht_cap.vht_supported)
4206 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4208 /* Build vht_mcs_mask from VHT capabilities */
4209 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4211 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4212 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4213 mcs[i] = txrate->mcs[i];
4221 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
4222 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
4223 .len = NL80211_MAX_SUPP_RATES },
4224 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
4225 .len = NL80211_MAX_SUPP_HT_RATES },
4226 [NL80211_TXRATE_VHT] = {
4227 .type = NLA_EXACT_LEN_WARN,
4228 .len = sizeof(struct nl80211_txrate_vht),
4230 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
4233 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4234 struct cfg80211_bitrate_mask *mask)
4236 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4237 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4239 struct nlattr *tx_rates;
4240 struct ieee80211_supported_band *sband;
4243 memset(mask, 0, sizeof(*mask));
4244 /* Default to all rates enabled */
4245 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4246 sband = rdev->wiphy.bands[i];
4251 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4252 memcpy(mask->control[i].ht_mcs,
4253 sband->ht_cap.mcs.rx_mask,
4254 sizeof(mask->control[i].ht_mcs));
4256 if (!sband->vht_cap.vht_supported)
4259 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4260 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4263 /* if no rates are given set it back to the defaults */
4264 if (!info->attrs[NL80211_ATTR_TX_RATES])
4267 /* The nested attribute uses enum nl80211_band as the index. This maps
4268 * directly to the enum nl80211_band values used in cfg80211.
4270 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4271 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
4272 enum nl80211_band band = nla_type(tx_rates);
4275 if (band < 0 || band >= NUM_NL80211_BANDS)
4277 sband = rdev->wiphy.bands[band];
4280 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4282 nl80211_txattr_policy,
4286 if (tb[NL80211_TXRATE_LEGACY]) {
4287 mask->control[band].legacy = rateset_to_mask(
4289 nla_data(tb[NL80211_TXRATE_LEGACY]),
4290 nla_len(tb[NL80211_TXRATE_LEGACY]));
4291 if ((mask->control[band].legacy == 0) &&
4292 nla_len(tb[NL80211_TXRATE_LEGACY]))
4295 if (tb[NL80211_TXRATE_HT]) {
4296 if (!ht_rateset_to_mask(
4298 nla_data(tb[NL80211_TXRATE_HT]),
4299 nla_len(tb[NL80211_TXRATE_HT]),
4300 mask->control[band].ht_mcs))
4303 if (tb[NL80211_TXRATE_VHT]) {
4304 if (!vht_set_mcs_mask(
4306 nla_data(tb[NL80211_TXRATE_VHT]),
4307 mask->control[band].vht_mcs))
4310 if (tb[NL80211_TXRATE_GI]) {
4311 mask->control[band].gi =
4312 nla_get_u8(tb[NL80211_TXRATE_GI]);
4313 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4317 if (mask->control[band].legacy == 0) {
4318 /* don't allow empty legacy rates if HT or VHT
4319 * are not even supported.
4321 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4322 rdev->wiphy.bands[band]->vht_cap.vht_supported))
4325 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4326 if (mask->control[band].ht_mcs[i])
4329 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4330 if (mask->control[band].vht_mcs[i])
4333 /* legacy and mcs rates may not be both empty */
4342 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4343 enum nl80211_band band,
4344 struct cfg80211_bitrate_mask *beacon_rate)
4346 u32 count_ht, count_vht, i;
4347 u32 rate = beacon_rate->control[band].legacy;
4349 /* Allow only one rate */
4350 if (hweight32(rate) > 1)
4354 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4355 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4357 } else if (beacon_rate->control[band].ht_mcs[i]) {
4362 if (count_ht && rate)
4367 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4368 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4370 } else if (beacon_rate->control[band].vht_mcs[i]) {
4375 if (count_vht && rate)
4379 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4383 !wiphy_ext_feature_isset(&rdev->wiphy,
4384 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4387 !wiphy_ext_feature_isset(&rdev->wiphy,
4388 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4391 !wiphy_ext_feature_isset(&rdev->wiphy,
4392 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4398 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4399 struct nlattr *attrs[],
4400 struct cfg80211_beacon_data *bcn)
4402 bool haveinfo = false;
4405 memset(bcn, 0, sizeof(*bcn));
4407 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4408 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4409 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4415 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4416 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4417 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4424 if (attrs[NL80211_ATTR_IE]) {
4425 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4426 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4429 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4430 bcn->proberesp_ies =
4431 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4432 bcn->proberesp_ies_len =
4433 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4436 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4437 bcn->assocresp_ies =
4438 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4439 bcn->assocresp_ies_len =
4440 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4443 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4444 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4445 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
4448 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4449 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4451 err = nla_parse_nested_deprecated(tb,
4452 NL80211_FTM_RESP_ATTR_MAX,
4453 attrs[NL80211_ATTR_FTM_RESPONDER],
4458 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4459 wiphy_ext_feature_isset(&rdev->wiphy,
4460 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4461 bcn->ftm_responder = 1;
4465 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4466 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4467 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4470 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4471 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4472 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4475 bcn->ftm_responder = -1;
4481 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
4482 struct ieee80211_he_obss_pd *he_obss_pd)
4484 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
4487 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
4488 he_obss_pd_policy, NULL);
4492 if (!tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] ||
4493 !tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
4496 he_obss_pd->min_offset =
4497 nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
4498 he_obss_pd->max_offset =
4499 nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
4501 if (he_obss_pd->min_offset >= he_obss_pd->max_offset)
4504 he_obss_pd->enable = true;
4509 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
4517 for (i = 0; i < rates[1]; i++) {
4518 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
4519 params->ht_required = true;
4520 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
4521 params->vht_required = true;
4526 * Since the nl80211 API didn't include, from the beginning, attributes about
4527 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4528 * benefit of drivers that rebuild IEs in the firmware.
4530 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
4532 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
4533 size_t ies_len = bcn->tail_len;
4534 const u8 *ies = bcn->tail;
4538 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
4539 nl80211_check_ap_rate_selectors(params, rates);
4541 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
4542 nl80211_check_ap_rate_selectors(params, rates);
4544 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
4545 if (cap && cap[1] >= sizeof(*params->ht_cap))
4546 params->ht_cap = (void *)(cap + 2);
4547 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
4548 if (cap && cap[1] >= sizeof(*params->vht_cap))
4549 params->vht_cap = (void *)(cap + 2);
4550 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
4551 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
4552 params->he_cap = (void *)(cap + 3);
4555 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
4556 struct cfg80211_ap_settings *params)
4558 struct wireless_dev *wdev;
4561 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
4562 if (wdev->iftype != NL80211_IFTYPE_AP &&
4563 wdev->iftype != NL80211_IFTYPE_P2P_GO)
4566 if (!wdev->preset_chandef.chan)
4569 params->chandef = wdev->preset_chandef;
4577 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
4578 enum nl80211_auth_type auth_type,
4579 enum nl80211_commands cmd)
4581 if (auth_type > NL80211_AUTHTYPE_MAX)
4585 case NL80211_CMD_AUTHENTICATE:
4586 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4587 auth_type == NL80211_AUTHTYPE_SAE)
4589 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4590 NL80211_EXT_FEATURE_FILS_STA) &&
4591 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4592 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4593 auth_type == NL80211_AUTHTYPE_FILS_PK))
4596 case NL80211_CMD_CONNECT:
4597 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4598 !wiphy_ext_feature_isset(&rdev->wiphy,
4599 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
4600 auth_type == NL80211_AUTHTYPE_SAE)
4603 /* FILS with SK PFS or PK not supported yet */
4604 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4605 auth_type == NL80211_AUTHTYPE_FILS_PK)
4607 if (!wiphy_ext_feature_isset(
4609 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
4610 auth_type == NL80211_AUTHTYPE_FILS_SK)
4613 case NL80211_CMD_START_AP:
4614 /* SAE not supported yet */
4615 if (auth_type == NL80211_AUTHTYPE_SAE)
4617 /* FILS not supported yet */
4618 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4619 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4620 auth_type == NL80211_AUTHTYPE_FILS_PK)
4628 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
4630 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4631 struct net_device *dev = info->user_ptr[1];
4632 struct wireless_dev *wdev = dev->ieee80211_ptr;
4633 struct cfg80211_ap_settings params;
4636 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4637 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4640 if (!rdev->ops->start_ap)
4643 if (wdev->beacon_interval)
4646 memset(¶ms, 0, sizeof(params));
4648 /* these are required for START_AP */
4649 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
4650 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4651 !info->attrs[NL80211_ATTR_BEACON_HEAD])
4654 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
4658 params.beacon_interval =
4659 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4660 params.dtim_period =
4661 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
4663 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
4664 params.beacon_interval);
4669 * In theory, some of these attributes should be required here
4670 * but since they were not used when the command was originally
4671 * added, keep them optional for old user space programs to let
4672 * them continue to work with drivers that do not need the
4673 * additional information -- drivers must check!
4675 if (info->attrs[NL80211_ATTR_SSID]) {
4676 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4678 nla_len(info->attrs[NL80211_ATTR_SSID]);
4679 if (params.ssid_len == 0 ||
4680 params.ssid_len > IEEE80211_MAX_SSID_LEN)
4684 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
4685 params.hidden_ssid = nla_get_u32(
4686 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
4688 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4690 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4691 params.auth_type = nla_get_u32(
4692 info->attrs[NL80211_ATTR_AUTH_TYPE]);
4693 if (!nl80211_valid_auth_type(rdev, params.auth_type,
4694 NL80211_CMD_START_AP))
4697 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4699 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
4700 NL80211_MAX_NR_CIPHER_SUITES);
4704 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
4705 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
4707 params.inactivity_timeout = nla_get_u16(
4708 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
4711 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4712 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4714 params.p2p_ctwindow =
4715 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4716 if (params.p2p_ctwindow != 0 &&
4717 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4721 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4724 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4726 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4727 params.p2p_opp_ps = tmp;
4728 if (params.p2p_opp_ps != 0 &&
4729 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4733 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
4734 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
4737 } else if (wdev->preset_chandef.chan) {
4738 params.chandef = wdev->preset_chandef;
4739 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
4742 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
4746 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4747 err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate);
4751 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4752 ¶ms.beacon_rate);
4757 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4759 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4760 switch (params.smps_mode) {
4761 case NL80211_SMPS_OFF:
4763 case NL80211_SMPS_STATIC:
4764 if (!(rdev->wiphy.features &
4765 NL80211_FEATURE_STATIC_SMPS))
4768 case NL80211_SMPS_DYNAMIC:
4769 if (!(rdev->wiphy.features &
4770 NL80211_FEATURE_DYNAMIC_SMPS))
4777 params.smps_mode = NL80211_SMPS_OFF;
4780 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4781 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4784 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4785 params.acl = parse_acl_data(&rdev->wiphy, info);
4786 if (IS_ERR(params.acl))
4787 return PTR_ERR(params.acl);
4790 params.twt_responder =
4791 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
4793 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
4794 err = nl80211_parse_he_obss_pd(
4795 info->attrs[NL80211_ATTR_HE_OBSS_PD],
4796 ¶ms.he_obss_pd);
4801 nl80211_calculate_ap_params(¶ms);
4803 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
4804 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
4807 err = rdev_start_ap(rdev, dev, ¶ms);
4809 wdev->preset_chandef = params.chandef;
4810 wdev->beacon_interval = params.beacon_interval;
4811 wdev->chandef = params.chandef;
4812 wdev->ssid_len = params.ssid_len;
4813 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
4815 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4816 wdev->conn_owner_nlportid = info->snd_portid;
4825 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
4827 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4828 struct net_device *dev = info->user_ptr[1];
4829 struct wireless_dev *wdev = dev->ieee80211_ptr;
4830 struct cfg80211_beacon_data params;
4833 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4834 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4837 if (!rdev->ops->change_beacon)
4840 if (!wdev->beacon_interval)
4843 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
4848 err = rdev_change_beacon(rdev, dev, ¶ms);
4854 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
4856 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4857 struct net_device *dev = info->user_ptr[1];
4859 return cfg80211_stop_ap(rdev, dev, false);
4862 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4863 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4864 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4865 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
4866 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
4867 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
4868 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
4871 static int parse_station_flags(struct genl_info *info,
4872 enum nl80211_iftype iftype,
4873 struct station_parameters *params)
4875 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
4880 * Try parsing the new attribute first so userspace
4881 * can specify both for older kernels.
4883 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4885 struct nl80211_sta_flag_update *sta_flags;
4887 sta_flags = nla_data(nla);
4888 params->sta_flags_mask = sta_flags->mask;
4889 params->sta_flags_set = sta_flags->set;
4890 params->sta_flags_set &= params->sta_flags_mask;
4891 if ((params->sta_flags_mask |
4892 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4897 /* if present, parse the old attribute */
4899 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
4903 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
4907 * Only allow certain flags for interface types so that
4908 * other attributes are silently ignored. Remember that
4909 * this is backward compatibility code with old userspace
4910 * and shouldn't be hit in other cases anyway.
4913 case NL80211_IFTYPE_AP:
4914 case NL80211_IFTYPE_AP_VLAN:
4915 case NL80211_IFTYPE_P2P_GO:
4916 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4917 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4918 BIT(NL80211_STA_FLAG_WME) |
4919 BIT(NL80211_STA_FLAG_MFP);
4921 case NL80211_IFTYPE_P2P_CLIENT:
4922 case NL80211_IFTYPE_STATION:
4923 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4924 BIT(NL80211_STA_FLAG_TDLS_PEER);
4926 case NL80211_IFTYPE_MESH_POINT:
4927 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4928 BIT(NL80211_STA_FLAG_MFP) |
4929 BIT(NL80211_STA_FLAG_AUTHORIZED);
4935 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4937 params->sta_flags_set |= (1<<flag);
4939 /* no longer support new API additions in old API */
4940 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4948 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
4950 struct nlattr *rate;
4953 enum nl80211_rate_info rate_flg;
4955 rate = nla_nest_start_noflag(msg, attr);
4959 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4960 bitrate = cfg80211_calculate_bitrate(info);
4961 /* report 16-bit bitrate only if we can */
4962 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
4964 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4966 if (bitrate_compat > 0 &&
4967 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4971 case RATE_INFO_BW_5:
4972 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4974 case RATE_INFO_BW_10:
4975 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4980 case RATE_INFO_BW_20:
4983 case RATE_INFO_BW_40:
4984 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4986 case RATE_INFO_BW_80:
4987 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
4989 case RATE_INFO_BW_160:
4990 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
4992 case RATE_INFO_BW_HE_RU:
4994 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
4997 if (rate_flg && nla_put_flag(msg, rate_flg))
5000 if (info->flags & RATE_INFO_FLAGS_MCS) {
5001 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5003 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5004 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5006 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5007 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5009 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5011 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5012 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5014 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5015 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5017 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5019 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5021 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5023 if (info->bw == RATE_INFO_BW_HE_RU &&
5024 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5029 nla_nest_end(msg, rate);
5033 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5042 attr = nla_nest_start_noflag(msg, id);
5046 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5047 if (!(mask & BIT(i)))
5050 if (nla_put_u8(msg, i, signal[i]))
5054 nla_nest_end(msg, attr);
5059 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5061 struct cfg80211_registered_device *rdev,
5062 struct net_device *dev,
5063 const u8 *mac_addr, struct station_info *sinfo)
5066 struct nlattr *sinfoattr, *bss_param;
5068 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
5070 cfg80211_sinfo_release_content(sinfo);
5074 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5075 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5076 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5077 goto nla_put_failure;
5079 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
5081 goto nla_put_failure;
5083 #define PUT_SINFO(attr, memb, type) do { \
5084 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
5085 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5086 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5088 goto nla_put_failure; \
5090 #define PUT_SINFO_U64(attr, memb) do { \
5091 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5092 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5093 sinfo->memb, NL80211_STA_INFO_PAD)) \
5094 goto nla_put_failure; \
5097 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5098 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
5099 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
5101 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5102 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
5103 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
5104 (u32)sinfo->rx_bytes))
5105 goto nla_put_failure;
5107 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5108 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
5109 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
5110 (u32)sinfo->tx_bytes))
5111 goto nla_put_failure;
5113 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5114 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
5115 PUT_SINFO(LLID, llid, u16);
5116 PUT_SINFO(PLID, plid, u16);
5117 PUT_SINFO(PLINK_STATE, plink_state, u8);
5118 PUT_SINFO_U64(RX_DURATION, rx_duration);
5119 PUT_SINFO_U64(TX_DURATION, tx_duration);
5121 if (wiphy_ext_feature_isset(&rdev->wiphy,
5122 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5123 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
5125 switch (rdev->wiphy.signal_type) {
5126 case CFG80211_SIGNAL_TYPE_MBM:
5127 PUT_SINFO(SIGNAL, signal, u8);
5128 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
5133 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
5134 if (!nl80211_put_signal(msg, sinfo->chains,
5135 sinfo->chain_signal,
5136 NL80211_STA_INFO_CHAIN_SIGNAL))
5137 goto nla_put_failure;
5139 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
5140 if (!nl80211_put_signal(msg, sinfo->chains,
5141 sinfo->chain_signal_avg,
5142 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5143 goto nla_put_failure;
5145 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
5146 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5147 NL80211_STA_INFO_TX_BITRATE))
5148 goto nla_put_failure;
5150 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
5151 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5152 NL80211_STA_INFO_RX_BITRATE))
5153 goto nla_put_failure;
5156 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5157 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5158 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5159 PUT_SINFO(TX_FAILED, tx_failed, u32);
5160 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5161 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5162 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5163 PUT_SINFO(LOCAL_PM, local_pm, u32);
5164 PUT_SINFO(PEER_PM, peer_pm, u32);
5165 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5166 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5168 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5169 bss_param = nla_nest_start_noflag(msg,
5170 NL80211_STA_INFO_BSS_PARAM);
5172 goto nla_put_failure;
5174 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5175 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5176 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5177 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5178 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5179 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5180 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5181 sinfo->bss_param.dtim_period) ||
5182 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5183 sinfo->bss_param.beacon_interval))
5184 goto nla_put_failure;
5186 nla_nest_end(msg, bss_param);
5188 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5189 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5190 sizeof(struct nl80211_sta_flag_update),
5192 goto nla_put_failure;
5194 PUT_SINFO_U64(T_OFFSET, t_offset);
5195 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5196 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5197 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5198 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5199 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5200 if (wiphy_ext_feature_isset(&rdev->wiphy,
5201 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5202 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5203 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5207 #undef PUT_SINFO_U64
5209 if (sinfo->pertid) {
5210 struct nlattr *tidsattr;
5213 tidsattr = nla_nest_start_noflag(msg,
5214 NL80211_STA_INFO_TID_STATS);
5216 goto nla_put_failure;
5218 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5219 struct cfg80211_tid_stats *tidstats;
5220 struct nlattr *tidattr;
5222 tidstats = &sinfo->pertid[tid];
5224 if (!tidstats->filled)
5227 tidattr = nla_nest_start_noflag(msg, tid + 1);
5229 goto nla_put_failure;
5231 #define PUT_TIDVAL_U64(attr, memb) do { \
5232 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5233 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5234 tidstats->memb, NL80211_TID_STATS_PAD)) \
5235 goto nla_put_failure; \
5238 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5239 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5240 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5241 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5243 #undef PUT_TIDVAL_U64
5244 if ((tidstats->filled &
5245 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5246 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5247 NL80211_TID_STATS_TXQ_STATS))
5248 goto nla_put_failure;
5250 nla_nest_end(msg, tidattr);
5253 nla_nest_end(msg, tidsattr);
5256 nla_nest_end(msg, sinfoattr);
5258 if (sinfo->assoc_req_ies_len &&
5259 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5260 sinfo->assoc_req_ies))
5261 goto nla_put_failure;
5263 cfg80211_sinfo_release_content(sinfo);
5264 genlmsg_end(msg, hdr);
5268 cfg80211_sinfo_release_content(sinfo);
5269 genlmsg_cancel(msg, hdr);
5273 static int nl80211_dump_station(struct sk_buff *skb,
5274 struct netlink_callback *cb)
5276 struct station_info sinfo;
5277 struct cfg80211_registered_device *rdev;
5278 struct wireless_dev *wdev;
5279 u8 mac_addr[ETH_ALEN];
5280 int sta_idx = cb->args[2];
5284 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5288 if (!wdev->netdev) {
5293 if (!rdev->ops->dump_station) {
5299 memset(&sinfo, 0, sizeof(sinfo));
5300 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
5307 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
5308 NETLINK_CB(cb->skb).portid,
5309 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5310 rdev, wdev->netdev, mac_addr,
5318 cb->args[2] = sta_idx;
5326 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5328 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5329 struct net_device *dev = info->user_ptr[1];
5330 struct station_info sinfo;
5331 struct sk_buff *msg;
5332 u8 *mac_addr = NULL;
5335 memset(&sinfo, 0, sizeof(sinfo));
5337 if (!info->attrs[NL80211_ATTR_MAC])
5340 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5342 if (!rdev->ops->get_station)
5345 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
5349 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5351 cfg80211_sinfo_release_content(&sinfo);
5355 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5356 info->snd_portid, info->snd_seq, 0,
5357 rdev, dev, mac_addr, &sinfo) < 0) {
5362 return genlmsg_reply(msg, info);
5365 int cfg80211_check_station_change(struct wiphy *wiphy,
5366 struct station_parameters *params,
5367 enum cfg80211_station_type statype)
5369 if (params->listen_interval != -1 &&
5370 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5373 if (params->support_p2p_ps != -1 &&
5374 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5378 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5379 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5382 /* When you run into this, adjust the code below for the new flag */
5383 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5386 case CFG80211_STA_MESH_PEER_KERNEL:
5387 case CFG80211_STA_MESH_PEER_USER:
5389 * No ignoring the TDLS flag here -- the userspace mesh
5390 * code doesn't have the bug of including TDLS in the
5393 if (params->sta_flags_mask &
5394 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5395 BIT(NL80211_STA_FLAG_MFP) |
5396 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5399 case CFG80211_STA_TDLS_PEER_SETUP:
5400 case CFG80211_STA_TDLS_PEER_ACTIVE:
5401 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5403 /* ignore since it can't change */
5404 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5407 /* disallow mesh-specific things */
5408 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5410 if (params->local_pm)
5412 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5416 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5417 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5418 /* TDLS can't be set, ... */
5419 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5422 * ... but don't bother the driver with it. This works around
5423 * a hostapd/wpa_supplicant issue -- it always includes the
5424 * TLDS_PEER flag in the mask even for AP mode.
5426 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5429 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5430 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5431 /* reject other things that can't change */
5432 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5434 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5436 if (params->supported_rates)
5438 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5443 if (statype != CFG80211_STA_AP_CLIENT &&
5444 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5450 case CFG80211_STA_AP_MLME_CLIENT:
5451 /* Use this only for authorizing/unauthorizing a station */
5452 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5455 case CFG80211_STA_AP_CLIENT:
5456 case CFG80211_STA_AP_CLIENT_UNASSOC:
5457 /* accept only the listed bits */
5458 if (params->sta_flags_mask &
5459 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5460 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5461 BIT(NL80211_STA_FLAG_ASSOCIATED) |
5462 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5463 BIT(NL80211_STA_FLAG_WME) |
5464 BIT(NL80211_STA_FLAG_MFP)))
5467 /* but authenticated/associated only if driver handles it */
5468 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5469 params->sta_flags_mask &
5470 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5471 BIT(NL80211_STA_FLAG_ASSOCIATED)))
5474 case CFG80211_STA_IBSS:
5475 case CFG80211_STA_AP_STA:
5476 /* reject any changes other than AUTHORIZED */
5477 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
5480 case CFG80211_STA_TDLS_PEER_SETUP:
5481 /* reject any changes other than AUTHORIZED or WME */
5482 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5483 BIT(NL80211_STA_FLAG_WME)))
5485 /* force (at least) rates when authorizing */
5486 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
5487 !params->supported_rates)
5490 case CFG80211_STA_TDLS_PEER_ACTIVE:
5491 /* reject any changes */
5493 case CFG80211_STA_MESH_PEER_KERNEL:
5494 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5497 case CFG80211_STA_MESH_PEER_USER:
5498 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
5499 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
5505 * Older kernel versions ignored this attribute entirely, so don't
5506 * reject attempts to update it but mark it as unused instead so the
5507 * driver won't look at the data.
5509 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
5510 statype != CFG80211_STA_TDLS_PEER_SETUP)
5511 params->opmode_notif_used = false;
5515 EXPORT_SYMBOL(cfg80211_check_station_change);
5518 * Get vlan interface making sure it is running and on the right wiphy.
5520 static struct net_device *get_vlan(struct genl_info *info,
5521 struct cfg80211_registered_device *rdev)
5523 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
5524 struct net_device *v;
5530 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
5532 return ERR_PTR(-ENODEV);
5534 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
5539 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5540 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5541 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5546 if (!netif_running(v)) {
5554 return ERR_PTR(ret);
5557 static const struct nla_policy
5558 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
5559 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
5560 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
5563 static int nl80211_parse_sta_wme(struct genl_info *info,
5564 struct station_parameters *params)
5566 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
5570 /* parse WME attributes if present */
5571 if (!info->attrs[NL80211_ATTR_STA_WME])
5574 nla = info->attrs[NL80211_ATTR_STA_WME];
5575 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
5576 nl80211_sta_wme_policy,
5581 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
5582 params->uapsd_queues = nla_get_u8(
5583 tb[NL80211_STA_WME_UAPSD_QUEUES]);
5584 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
5587 if (tb[NL80211_STA_WME_MAX_SP])
5588 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
5590 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
5593 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
5598 static int nl80211_parse_sta_channel_info(struct genl_info *info,
5599 struct station_parameters *params)
5601 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
5602 params->supported_channels =
5603 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5604 params->supported_channels_len =
5605 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5607 * Need to include at least one (first channel, number of
5608 * channels) tuple for each subband, and must have proper
5609 * tuples for the rest of the data as well.
5611 if (params->supported_channels_len < 2)
5613 if (params->supported_channels_len % 2)
5617 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
5618 params->supported_oper_classes =
5619 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5620 params->supported_oper_classes_len =
5621 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5623 * The value of the Length field of the Supported Operating
5624 * Classes element is between 2 and 253.
5626 if (params->supported_oper_classes_len < 2 ||
5627 params->supported_oper_classes_len > 253)
5633 static int nl80211_set_station_tdls(struct genl_info *info,
5634 struct station_parameters *params)
5637 /* Dummy STA entry gets updated once the peer capabilities are known */
5638 if (info->attrs[NL80211_ATTR_PEER_AID])
5639 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5640 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5642 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5643 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5645 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5646 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5648 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5649 params->he_capa_len =
5650 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5652 if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5656 err = nl80211_parse_sta_channel_info(info, params);
5660 return nl80211_parse_sta_wme(info, params);
5663 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
5664 struct station_parameters *params)
5666 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5669 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
5670 if (!rdev->ops->set_tx_power ||
5671 !wiphy_ext_feature_isset(&rdev->wiphy,
5672 NL80211_EXT_FEATURE_STA_TX_PWR))
5675 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
5676 params->txpwr.type = nla_get_u8(info->attrs[idx]);
5678 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
5679 idx = NL80211_ATTR_STA_TX_POWER;
5681 if (info->attrs[idx])
5682 params->txpwr.power =
5683 nla_get_s16(info->attrs[idx]);
5687 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
5693 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
5695 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5696 struct net_device *dev = info->user_ptr[1];
5697 struct station_parameters params;
5701 memset(¶ms, 0, sizeof(params));
5703 if (!rdev->ops->change_station)
5707 * AID and listen_interval properties can be set only for unassociated
5708 * station. Include these parameters here and will check them in
5709 * cfg80211_check_station_change().
5711 if (info->attrs[NL80211_ATTR_STA_AID])
5712 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5714 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5715 params.listen_interval =
5716 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5718 params.listen_interval = -1;
5720 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
5721 params.support_p2p_ps =
5722 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5724 params.support_p2p_ps = -1;
5726 if (!info->attrs[NL80211_ATTR_MAC])
5729 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5731 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
5732 params.supported_rates =
5733 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5734 params.supported_rates_len =
5735 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5738 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5740 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5741 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5744 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5746 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5747 params.ext_capab_len =
5748 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5751 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5754 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5755 params.plink_action =
5756 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5758 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
5759 params.plink_state =
5760 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
5761 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
5762 params.peer_aid = nla_get_u16(
5763 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
5764 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
5767 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
5768 params.local_pm = nla_get_u32(
5769 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
5771 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5772 params.opmode_notif_used = true;
5773 params.opmode_notif =
5774 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5777 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5778 params.airtime_weight =
5779 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5781 if (params.airtime_weight &&
5782 !wiphy_ext_feature_isset(&rdev->wiphy,
5783 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5786 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5790 /* Include parameters for TDLS peer (will check later) */
5791 err = nl80211_set_station_tdls(info, ¶ms);
5795 params.vlan = get_vlan(info, rdev);
5796 if (IS_ERR(params.vlan))
5797 return PTR_ERR(params.vlan);
5799 switch (dev->ieee80211_ptr->iftype) {
5800 case NL80211_IFTYPE_AP:
5801 case NL80211_IFTYPE_AP_VLAN:
5802 case NL80211_IFTYPE_P2P_GO:
5803 case NL80211_IFTYPE_P2P_CLIENT:
5804 case NL80211_IFTYPE_STATION:
5805 case NL80211_IFTYPE_ADHOC:
5806 case NL80211_IFTYPE_MESH_POINT:
5813 /* driver will call cfg80211_check_station_change() */
5814 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
5818 dev_put(params.vlan);
5823 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
5825 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5827 struct net_device *dev = info->user_ptr[1];
5828 struct station_parameters params;
5829 u8 *mac_addr = NULL;
5830 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5831 BIT(NL80211_STA_FLAG_ASSOCIATED);
5833 memset(¶ms, 0, sizeof(params));
5835 if (!rdev->ops->add_station)
5838 if (!info->attrs[NL80211_ATTR_MAC])
5841 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5844 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
5847 if (!info->attrs[NL80211_ATTR_STA_AID] &&
5848 !info->attrs[NL80211_ATTR_PEER_AID])
5851 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5852 params.supported_rates =
5853 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5854 params.supported_rates_len =
5855 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5856 params.listen_interval =
5857 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5859 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
5860 params.support_p2p_ps =
5861 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5864 * if not specified, assume it's supported for P2P GO interface,
5865 * and is NOT supported for AP interface
5867 params.support_p2p_ps =
5868 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
5871 if (info->attrs[NL80211_ATTR_PEER_AID])
5872 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5874 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5876 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5878 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5879 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5882 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5884 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5885 params.ext_capab_len =
5886 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5889 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5891 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5893 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5895 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5897 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5899 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5900 params.he_capa_len =
5901 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5903 /* max len is validated in nla policy */
5904 if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5908 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5909 params.opmode_notif_used = true;
5910 params.opmode_notif =
5911 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5914 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5915 params.plink_action =
5916 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5918 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5919 params.airtime_weight =
5920 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5922 if (params.airtime_weight &&
5923 !wiphy_ext_feature_isset(&rdev->wiphy,
5924 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5927 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5931 err = nl80211_parse_sta_channel_info(info, ¶ms);
5935 err = nl80211_parse_sta_wme(info, ¶ms);
5939 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5942 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5943 * as userspace might just pass through the capabilities from the IEs
5944 * directly, rather than enforcing this restriction and returning an
5945 * error in this case.
5947 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5948 params.ht_capa = NULL;
5949 params.vht_capa = NULL;
5951 /* HE requires WME */
5952 if (params.he_capa_len)
5956 /* When you run into this, adjust the code below for the new flag */
5957 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5959 switch (dev->ieee80211_ptr->iftype) {
5960 case NL80211_IFTYPE_AP:
5961 case NL80211_IFTYPE_AP_VLAN:
5962 case NL80211_IFTYPE_P2P_GO:
5963 /* ignore WME attributes if iface/sta is not capable */
5964 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5965 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5966 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5968 /* TDLS peers cannot be added */
5969 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5970 info->attrs[NL80211_ATTR_PEER_AID])
5972 /* but don't bother the driver with it */
5973 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5975 /* allow authenticated/associated only if driver handles it */
5976 if (!(rdev->wiphy.features &
5977 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5978 params.sta_flags_mask & auth_assoc)
5981 /* Older userspace, or userspace wanting to be compatible with
5982 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5983 * and assoc flags in the mask, but assumes the station will be
5984 * added as associated anyway since this was the required driver
5985 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5987 * In order to not bother drivers with this quirk in the API
5988 * set the flags in both the mask and set for new stations in
5991 if (!(params.sta_flags_mask & auth_assoc)) {
5992 params.sta_flags_mask |= auth_assoc;
5993 params.sta_flags_set |= auth_assoc;
5996 /* must be last in here for error handling */
5997 params.vlan = get_vlan(info, rdev);
5998 if (IS_ERR(params.vlan))
5999 return PTR_ERR(params.vlan);
6001 case NL80211_IFTYPE_MESH_POINT:
6002 /* ignore uAPSD data */
6003 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6005 /* associated is disallowed */
6006 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6008 /* TDLS peers cannot be added */
6009 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6010 info->attrs[NL80211_ATTR_PEER_AID])
6013 case NL80211_IFTYPE_STATION:
6014 case NL80211_IFTYPE_P2P_CLIENT:
6015 /* ignore uAPSD data */
6016 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6018 /* these are disallowed */
6019 if (params.sta_flags_mask &
6020 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6021 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
6023 /* Only TDLS peers can be added */
6024 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6026 /* Can only add if TDLS ... */
6027 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6029 /* ... with external setup is supported */
6030 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6033 * Older wpa_supplicant versions always mark the TDLS peer
6034 * as authorized, but it shouldn't yet be.
6036 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
6042 /* be aware of params.vlan when changing code here */
6044 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
6047 dev_put(params.vlan);
6051 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6053 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6054 struct net_device *dev = info->user_ptr[1];
6055 struct station_del_parameters params;
6057 memset(¶ms, 0, sizeof(params));
6059 if (info->attrs[NL80211_ATTR_MAC])
6060 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
6062 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6063 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6064 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
6065 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6068 if (!rdev->ops->del_station)
6071 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6073 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6074 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6075 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6078 /* Default to Deauthentication frame */
6079 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6082 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6083 params.reason_code =
6084 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6085 if (params.reason_code == 0)
6086 return -EINVAL; /* 0 is reserved */
6088 /* Default to reason code 2 */
6089 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6092 return rdev_del_station(rdev, dev, ¶ms);
6095 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
6096 int flags, struct net_device *dev,
6097 u8 *dst, u8 *next_hop,
6098 struct mpath_info *pinfo)
6101 struct nlattr *pinfoattr;
6103 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
6107 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6108 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6109 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6110 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6111 goto nla_put_failure;
6113 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
6115 goto nla_put_failure;
6116 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6117 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6119 goto nla_put_failure;
6120 if (((pinfo->filled & MPATH_INFO_SN) &&
6121 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6122 ((pinfo->filled & MPATH_INFO_METRIC) &&
6123 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6125 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6126 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6128 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6129 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6131 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6132 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6133 pinfo->discovery_timeout)) ||
6134 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6135 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
6136 pinfo->discovery_retries)) ||
6137 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6138 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
6139 pinfo->hop_count)) ||
6140 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6141 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6142 pinfo->path_change_count)))
6143 goto nla_put_failure;
6145 nla_nest_end(msg, pinfoattr);
6147 genlmsg_end(msg, hdr);
6151 genlmsg_cancel(msg, hdr);
6155 static int nl80211_dump_mpath(struct sk_buff *skb,
6156 struct netlink_callback *cb)
6158 struct mpath_info pinfo;
6159 struct cfg80211_registered_device *rdev;
6160 struct wireless_dev *wdev;
6162 u8 next_hop[ETH_ALEN];
6163 int path_idx = cb->args[2];
6167 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6171 if (!rdev->ops->dump_mpath) {
6176 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6182 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6189 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6190 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6191 wdev->netdev, dst, next_hop,
6199 cb->args[2] = path_idx;
6206 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6208 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6210 struct net_device *dev = info->user_ptr[1];
6211 struct mpath_info pinfo;
6212 struct sk_buff *msg;
6214 u8 next_hop[ETH_ALEN];
6216 memset(&pinfo, 0, sizeof(pinfo));
6218 if (!info->attrs[NL80211_ATTR_MAC])
6221 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6223 if (!rdev->ops->get_mpath)
6226 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6229 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6233 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6237 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6238 dev, dst, next_hop, &pinfo) < 0) {
6243 return genlmsg_reply(msg, info);
6246 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6248 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6249 struct net_device *dev = info->user_ptr[1];
6251 u8 *next_hop = NULL;
6253 if (!info->attrs[NL80211_ATTR_MAC])
6256 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6259 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6260 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6262 if (!rdev->ops->change_mpath)
6265 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6268 return rdev_change_mpath(rdev, dev, dst, next_hop);
6271 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6273 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6274 struct net_device *dev = info->user_ptr[1];
6276 u8 *next_hop = NULL;
6278 if (!info->attrs[NL80211_ATTR_MAC])
6281 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6284 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6285 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6287 if (!rdev->ops->add_mpath)
6290 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6293 return rdev_add_mpath(rdev, dev, dst, next_hop);
6296 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6298 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6299 struct net_device *dev = info->user_ptr[1];
6302 if (info->attrs[NL80211_ATTR_MAC])
6303 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6305 if (!rdev->ops->del_mpath)
6308 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6311 return rdev_del_mpath(rdev, dev, dst);
6314 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6316 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6318 struct net_device *dev = info->user_ptr[1];
6319 struct mpath_info pinfo;
6320 struct sk_buff *msg;
6324 memset(&pinfo, 0, sizeof(pinfo));
6326 if (!info->attrs[NL80211_ATTR_MAC])
6329 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6331 if (!rdev->ops->get_mpp)
6334 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6337 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6341 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6345 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6346 dev, dst, mpp, &pinfo) < 0) {
6351 return genlmsg_reply(msg, info);
6354 static int nl80211_dump_mpp(struct sk_buff *skb,
6355 struct netlink_callback *cb)
6357 struct mpath_info pinfo;
6358 struct cfg80211_registered_device *rdev;
6359 struct wireless_dev *wdev;
6362 int path_idx = cb->args[2];
6366 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6370 if (!rdev->ops->dump_mpp) {
6375 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6381 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6388 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6389 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6390 wdev->netdev, dst, mpp,
6398 cb->args[2] = path_idx;
6405 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6407 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6408 struct net_device *dev = info->user_ptr[1];
6409 struct wireless_dev *wdev = dev->ieee80211_ptr;
6410 struct bss_parameters params;
6413 memset(¶ms, 0, sizeof(params));
6414 /* default to not changing parameters */
6415 params.use_cts_prot = -1;
6416 params.use_short_preamble = -1;
6417 params.use_short_slot_time = -1;
6418 params.ap_isolate = -1;
6419 params.ht_opmode = -1;
6420 params.p2p_ctwindow = -1;
6421 params.p2p_opp_ps = -1;
6423 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6424 params.use_cts_prot =
6425 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6426 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6427 params.use_short_preamble =
6428 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6429 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6430 params.use_short_slot_time =
6431 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
6432 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6433 params.basic_rates =
6434 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6435 params.basic_rates_len =
6436 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6438 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6439 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
6440 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6442 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
6444 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6445 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6447 params.p2p_ctwindow =
6448 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
6449 if (params.p2p_ctwindow != 0 &&
6450 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
6454 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6457 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6459 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
6460 params.p2p_opp_ps = tmp;
6461 if (params.p2p_opp_ps &&
6462 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
6466 if (!rdev->ops->change_bss)
6469 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6470 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6474 err = rdev_change_bss(rdev, dev, ¶ms);
6480 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
6484 enum nl80211_user_reg_hint_type user_reg_hint_type;
6488 * You should only get this when cfg80211 hasn't yet initialized
6489 * completely when built-in to the kernel right between the time
6490 * window between nl80211_init() and regulatory_init(), if that is
6493 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
6494 return -EINPROGRESS;
6496 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
6497 user_reg_hint_type =
6498 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
6500 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
6502 switch (user_reg_hint_type) {
6503 case NL80211_USER_REG_HINT_USER:
6504 case NL80211_USER_REG_HINT_CELL_BASE:
6505 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6508 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6509 return regulatory_hint_user(data, user_reg_hint_type);
6510 case NL80211_USER_REG_HINT_INDOOR:
6511 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
6512 owner_nlportid = info->snd_portid;
6513 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
6519 return regulatory_hint_indoor(is_indoor, owner_nlportid);
6525 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
6527 return reg_reload_regdb();
6530 static int nl80211_get_mesh_config(struct sk_buff *skb,
6531 struct genl_info *info)
6533 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6534 struct net_device *dev = info->user_ptr[1];
6535 struct wireless_dev *wdev = dev->ieee80211_ptr;
6536 struct mesh_config cur_params;
6539 struct nlattr *pinfoattr;
6540 struct sk_buff *msg;
6542 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6545 if (!rdev->ops->get_mesh_config)
6549 /* If not connected, get default parameters */
6550 if (!wdev->mesh_id_len)
6551 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
6553 err = rdev_get_mesh_config(rdev, dev, &cur_params);
6559 /* Draw up a netlink message to send back */
6560 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6563 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6564 NL80211_CMD_GET_MESH_CONFIG);
6567 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
6569 goto nla_put_failure;
6570 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6571 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
6572 cur_params.dot11MeshRetryTimeout) ||
6573 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
6574 cur_params.dot11MeshConfirmTimeout) ||
6575 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
6576 cur_params.dot11MeshHoldingTimeout) ||
6577 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
6578 cur_params.dot11MeshMaxPeerLinks) ||
6579 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
6580 cur_params.dot11MeshMaxRetries) ||
6581 nla_put_u8(msg, NL80211_MESHCONF_TTL,
6582 cur_params.dot11MeshTTL) ||
6583 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
6584 cur_params.element_ttl) ||
6585 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6586 cur_params.auto_open_plinks) ||
6587 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6588 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
6589 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6590 cur_params.dot11MeshHWMPmaxPREQretries) ||
6591 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
6592 cur_params.path_refresh_time) ||
6593 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6594 cur_params.min_discovery_timeout) ||
6595 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6596 cur_params.dot11MeshHWMPactivePathTimeout) ||
6597 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6598 cur_params.dot11MeshHWMPpreqMinInterval) ||
6599 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6600 cur_params.dot11MeshHWMPperrMinInterval) ||
6601 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6602 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
6603 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
6604 cur_params.dot11MeshHWMPRootMode) ||
6605 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6606 cur_params.dot11MeshHWMPRannInterval) ||
6607 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6608 cur_params.dot11MeshGateAnnouncementProtocol) ||
6609 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
6610 cur_params.dot11MeshForwarding) ||
6611 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
6612 cur_params.rssi_threshold) ||
6613 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
6614 cur_params.ht_opmode) ||
6615 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6616 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
6617 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6618 cur_params.dot11MeshHWMProotInterval) ||
6619 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6620 cur_params.dot11MeshHWMPconfirmationInterval) ||
6621 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
6622 cur_params.power_mode) ||
6623 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
6624 cur_params.dot11MeshAwakeWindowDuration) ||
6625 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
6626 cur_params.plink_timeout) ||
6627 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
6628 cur_params.dot11MeshConnectedToMeshGate))
6629 goto nla_put_failure;
6630 nla_nest_end(msg, pinfoattr);
6631 genlmsg_end(msg, hdr);
6632 return genlmsg_reply(msg, info);
6640 static const struct nla_policy
6641 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
6642 [NL80211_MESHCONF_RETRY_TIMEOUT] =
6643 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6644 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
6645 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6646 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
6647 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6648 [NL80211_MESHCONF_MAX_PEER_LINKS] =
6649 NLA_POLICY_RANGE(NLA_U16, 0, 255),
6650 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
6651 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6652 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6653 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
6654 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
6655 NLA_POLICY_RANGE(NLA_U32, 1, 255),
6656 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
6657 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
6658 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
6659 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
6660 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
6661 NLA_POLICY_MIN(NLA_U16, 1),
6662 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
6663 NLA_POLICY_MIN(NLA_U16, 1),
6664 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
6665 NLA_POLICY_MIN(NLA_U16, 1),
6666 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
6667 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
6668 NLA_POLICY_MIN(NLA_U16, 1),
6669 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
6670 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
6671 [NL80211_MESHCONF_RSSI_THRESHOLD] =
6672 NLA_POLICY_RANGE(NLA_S32, -255, 0),
6673 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
6674 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
6675 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
6676 NLA_POLICY_MIN(NLA_U16, 1),
6677 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
6678 NLA_POLICY_MIN(NLA_U16, 1),
6679 [NL80211_MESHCONF_POWER_MODE] =
6680 NLA_POLICY_RANGE(NLA_U32,
6681 NL80211_MESH_POWER_ACTIVE,
6682 NL80211_MESH_POWER_MAX),
6683 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
6684 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
6685 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
6688 static const struct nla_policy
6689 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
6690 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
6691 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
6692 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
6693 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6694 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
6695 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
6696 [NL80211_MESH_SETUP_IE] =
6697 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
6698 IEEE80211_MAX_DATA_LEN),
6699 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
6702 static int nl80211_parse_mesh_config(struct genl_info *info,
6703 struct mesh_config *cfg,
6706 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
6710 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6713 cfg->param = fn(tb[attr]); \
6714 mask |= BIT((attr) - 1); \
6718 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
6720 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
6723 /* This makes sure that there aren't more than 32 mesh config
6724 * parameters (otherwise our bitfield scheme would not work.) */
6725 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
6727 /* Fill in the params struct */
6728 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
6729 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
6730 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
6731 NL80211_MESHCONF_CONFIRM_TIMEOUT,
6733 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
6734 NL80211_MESHCONF_HOLDING_TIMEOUT,
6736 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
6737 NL80211_MESHCONF_MAX_PEER_LINKS,
6739 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
6740 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
6741 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
6742 NL80211_MESHCONF_TTL, nla_get_u8);
6743 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
6744 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
6745 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
6746 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6748 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
6750 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6752 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
6753 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6755 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
6756 NL80211_MESHCONF_PATH_REFRESH_TIME,
6758 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
6759 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
6761 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
6762 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6764 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
6766 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6768 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
6769 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
6770 cfg->dot11MeshHWMPactivePathTimeout > 65535))
6772 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
6773 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6775 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
6776 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6778 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6779 dot11MeshHWMPnetDiameterTraversalTime, mask,
6780 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6782 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
6783 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
6784 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
6785 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6787 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
6788 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6790 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
6791 NL80211_MESHCONF_FORWARDING, nla_get_u8);
6792 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
6793 NL80211_MESHCONF_RSSI_THRESHOLD,
6795 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
6796 NL80211_MESHCONF_CONNECTED_TO_GATE,
6799 * Check HT operation mode based on
6800 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
6802 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
6803 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
6805 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
6806 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
6807 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
6810 /* NON_HT_STA bit is reserved, but some programs set it */
6811 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
6813 cfg->ht_opmode = ht_opmode;
6814 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
6816 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6817 dot11MeshHWMPactivePathToRootTimeout, mask,
6818 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6820 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
6821 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
6822 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
6824 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
6825 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6827 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
6829 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6831 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
6832 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
6833 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
6834 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
6835 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
6836 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
6842 #undef FILL_IN_MESH_PARAM_IF_SET
6845 static int nl80211_parse_mesh_setup(struct genl_info *info,
6846 struct mesh_setup *setup)
6848 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6849 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
6851 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
6853 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
6856 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
6857 setup->sync_method =
6858 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
6859 IEEE80211_SYNC_METHOD_VENDOR :
6860 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
6862 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
6863 setup->path_sel_proto =
6864 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
6865 IEEE80211_PATH_PROTOCOL_VENDOR :
6866 IEEE80211_PATH_PROTOCOL_HWMP;
6868 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
6869 setup->path_metric =
6870 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
6871 IEEE80211_PATH_METRIC_VENDOR :
6872 IEEE80211_PATH_METRIC_AIRTIME;
6874 if (tb[NL80211_MESH_SETUP_IE]) {
6875 struct nlattr *ieattr =
6876 tb[NL80211_MESH_SETUP_IE];
6877 setup->ie = nla_data(ieattr);
6878 setup->ie_len = nla_len(ieattr);
6880 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
6881 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
6883 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
6884 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
6885 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
6886 if (setup->is_secure)
6887 setup->user_mpm = true;
6889 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6890 if (!setup->user_mpm)
6893 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6899 static int nl80211_update_mesh_config(struct sk_buff *skb,
6900 struct genl_info *info)
6902 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6903 struct net_device *dev = info->user_ptr[1];
6904 struct wireless_dev *wdev = dev->ieee80211_ptr;
6905 struct mesh_config cfg;
6909 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6912 if (!rdev->ops->update_mesh_config)
6915 err = nl80211_parse_mesh_config(info, &cfg, &mask);
6920 if (!wdev->mesh_id_len)
6924 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
6931 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6932 struct sk_buff *msg)
6934 struct nlattr *nl_reg_rules;
6937 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6938 (regdom->dfs_region &&
6939 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
6940 goto nla_put_failure;
6942 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
6944 goto nla_put_failure;
6946 for (i = 0; i < regdom->n_reg_rules; i++) {
6947 struct nlattr *nl_reg_rule;
6948 const struct ieee80211_reg_rule *reg_rule;
6949 const struct ieee80211_freq_range *freq_range;
6950 const struct ieee80211_power_rule *power_rule;
6951 unsigned int max_bandwidth_khz;
6953 reg_rule = ®dom->reg_rules[i];
6954 freq_range = ®_rule->freq_range;
6955 power_rule = ®_rule->power_rule;
6957 nl_reg_rule = nla_nest_start_noflag(msg, i);
6959 goto nla_put_failure;
6961 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6962 if (!max_bandwidth_khz)
6963 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6966 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6968 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6969 freq_range->start_freq_khz) ||
6970 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6971 freq_range->end_freq_khz) ||
6972 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
6973 max_bandwidth_khz) ||
6974 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6975 power_rule->max_antenna_gain) ||
6976 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
6977 power_rule->max_eirp) ||
6978 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6979 reg_rule->dfs_cac_ms))
6980 goto nla_put_failure;
6982 nla_nest_end(msg, nl_reg_rule);
6985 nla_nest_end(msg, nl_reg_rules);
6992 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
6994 const struct ieee80211_regdomain *regdom = NULL;
6995 struct cfg80211_registered_device *rdev;
6996 struct wiphy *wiphy = NULL;
6997 struct sk_buff *msg;
7000 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7004 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7005 NL80211_CMD_GET_REG);
7009 if (info->attrs[NL80211_ATTR_WIPHY]) {
7012 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7015 return PTR_ERR(rdev);
7018 wiphy = &rdev->wiphy;
7019 self_managed = wiphy->regulatory_flags &
7020 REGULATORY_WIPHY_SELF_MANAGED;
7021 regdom = get_wiphy_regdom(wiphy);
7023 /* a self-managed-reg device must have a private regdom */
7024 if (WARN_ON(!regdom && self_managed)) {
7030 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7031 goto nla_put_failure;
7034 if (!wiphy && reg_last_request_cell_base() &&
7035 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7036 NL80211_USER_REG_HINT_CELL_BASE))
7037 goto nla_put_failure;
7042 regdom = rcu_dereference(cfg80211_regdomain);
7044 if (nl80211_put_regdom(regdom, msg))
7045 goto nla_put_failure_rcu;
7049 genlmsg_end(msg, hdr);
7050 return genlmsg_reply(msg, info);
7052 nla_put_failure_rcu:
7060 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7061 u32 seq, int flags, struct wiphy *wiphy,
7062 const struct ieee80211_regdomain *regdom)
7064 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7065 NL80211_CMD_GET_REG);
7070 genl_dump_check_consistent(cb, hdr);
7072 if (nl80211_put_regdom(regdom, msg))
7073 goto nla_put_failure;
7075 if (!wiphy && reg_last_request_cell_base() &&
7076 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7077 NL80211_USER_REG_HINT_CELL_BASE))
7078 goto nla_put_failure;
7081 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7082 goto nla_put_failure;
7084 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7085 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7086 goto nla_put_failure;
7088 genlmsg_end(msg, hdr);
7092 genlmsg_cancel(msg, hdr);
7096 static int nl80211_get_reg_dump(struct sk_buff *skb,
7097 struct netlink_callback *cb)
7099 const struct ieee80211_regdomain *regdom = NULL;
7100 struct cfg80211_registered_device *rdev;
7101 int err, reg_idx, start = cb->args[2];
7105 if (cfg80211_regdomain && start == 0) {
7106 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7108 rtnl_dereference(cfg80211_regdomain));
7113 /* the global regdom is idx 0 */
7115 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7116 regdom = get_wiphy_regdom(&rdev->wiphy);
7120 if (++reg_idx <= start)
7123 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7124 NLM_F_MULTI, &rdev->wiphy, regdom);
7131 cb->args[2] = reg_idx;
7138 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
7139 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7140 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7141 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7142 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7143 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7144 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7145 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7146 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7149 static int parse_reg_rule(struct nlattr *tb[],
7150 struct ieee80211_reg_rule *reg_rule)
7152 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
7153 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
7155 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7157 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7159 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7161 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7163 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7166 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7168 freq_range->start_freq_khz =
7169 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7170 freq_range->end_freq_khz =
7171 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7172 freq_range->max_bandwidth_khz =
7173 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7175 power_rule->max_eirp =
7176 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7178 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7179 power_rule->max_antenna_gain =
7180 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7182 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7183 reg_rule->dfs_cac_ms =
7184 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7189 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7191 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7192 struct nlattr *nl_reg_rule;
7194 int rem_reg_rules, r;
7195 u32 num_rules = 0, rule_idx = 0;
7196 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7197 struct ieee80211_regdomain *rd;
7199 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7202 if (!info->attrs[NL80211_ATTR_REG_RULES])
7205 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7207 if (info->attrs[NL80211_ATTR_DFS_REGION])
7208 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7210 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7213 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7217 if (!reg_is_valid_request(alpha2))
7220 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7224 rd->n_reg_rules = num_rules;
7225 rd->alpha2[0] = alpha2[0];
7226 rd->alpha2[1] = alpha2[1];
7229 * Disable DFS master mode if the DFS region was
7230 * not supported or known on this kernel.
7232 if (reg_supported_dfs_region(dfs_region))
7233 rd->dfs_region = dfs_region;
7235 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7237 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7238 nl_reg_rule, reg_rule_policy,
7242 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7248 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7254 /* set_regdom takes ownership of rd */
7255 return set_regdom(rd, REGD_SOURCE_CRDA);
7260 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7262 static int validate_scan_freqs(struct nlattr *freqs)
7264 struct nlattr *attr1, *attr2;
7265 int n_channels = 0, tmp1, tmp2;
7267 nla_for_each_nested(attr1, freqs, tmp1)
7268 if (nla_len(attr1) != sizeof(u32))
7271 nla_for_each_nested(attr1, freqs, tmp1) {
7274 * Some hardware has a limited channel list for
7275 * scanning, and it is pretty much nonsensical
7276 * to scan for a channel twice, so disallow that
7277 * and don't require drivers to check that the
7278 * channel list they get isn't longer than what
7279 * they can scan, as long as they can scan all
7280 * the channels they registered at once.
7282 nla_for_each_nested(attr2, freqs, tmp2)
7283 if (attr1 != attr2 &&
7284 nla_get_u32(attr1) == nla_get_u32(attr2))
7291 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
7293 return b < NUM_NL80211_BANDS && wiphy->bands[b];
7296 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7297 struct cfg80211_bss_selection *bss_select)
7299 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7300 struct nlattr *nest;
7305 /* only process one nested attribute */
7306 nest = nla_data(nla);
7307 if (!nla_ok(nest, nla_len(nest)))
7310 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7311 nest, nl80211_bss_select_policy,
7316 /* only one attribute may be given */
7317 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7325 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7327 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7328 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7330 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7331 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7332 bss_select->param.band_pref =
7333 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7334 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7338 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7339 struct nl80211_bss_select_rssi_adjust *adj_param;
7341 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7342 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7343 bss_select->param.adjust.band = adj_param->band;
7344 bss_select->param.adjust.delta = adj_param->delta;
7345 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7349 /* user-space did not provide behaviour attribute */
7350 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7353 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7359 int nl80211_parse_random_mac(struct nlattr **attrs,
7360 u8 *mac_addr, u8 *mac_addr_mask)
7364 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
7365 eth_zero_addr(mac_addr);
7366 eth_zero_addr(mac_addr_mask);
7368 mac_addr_mask[0] = 0x3;
7373 /* need both or none */
7374 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7377 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7378 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7380 /* don't allow or configure an mcast address */
7381 if (!is_multicast_ether_addr(mac_addr_mask) ||
7382 is_multicast_ether_addr(mac_addr))
7386 * allow users to pass a MAC address that has bits set outside
7387 * of the mask, but don't bother drivers with having to deal
7390 for (i = 0; i < ETH_ALEN; i++)
7391 mac_addr[i] &= mac_addr_mask[i];
7396 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7398 ASSERT_WDEV_LOCK(wdev);
7400 if (!cfg80211_beaconing_iface_active(wdev))
7403 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7406 return regulatory_pre_cac_allowed(wdev->wiphy);
7409 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7410 enum nl80211_ext_feature_index feat)
7412 if (!(flags & flag))
7414 if (wiphy_ext_feature_isset(wiphy, feat))
7420 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7421 void *request, struct nlattr **attrs,
7424 u8 *mac_addr, *mac_addr_mask;
7426 enum nl80211_feature_flags randomness_flag;
7428 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7431 if (is_sched_scan) {
7432 struct cfg80211_sched_scan_request *req = request;
7434 randomness_flag = wdev ?
7435 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
7436 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7437 flags = &req->flags;
7438 mac_addr = req->mac_addr;
7439 mac_addr_mask = req->mac_addr_mask;
7441 struct cfg80211_scan_request *req = request;
7443 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
7444 flags = &req->flags;
7445 mac_addr = req->mac_addr;
7446 mac_addr_mask = req->mac_addr_mask;
7449 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
7451 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7452 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
7453 !nl80211_check_scan_feat(wiphy, *flags,
7454 NL80211_SCAN_FLAG_LOW_SPAN,
7455 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
7456 !nl80211_check_scan_feat(wiphy, *flags,
7457 NL80211_SCAN_FLAG_LOW_POWER,
7458 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
7459 !nl80211_check_scan_feat(wiphy, *flags,
7460 NL80211_SCAN_FLAG_HIGH_ACCURACY,
7461 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
7462 !nl80211_check_scan_feat(wiphy, *flags,
7463 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
7464 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
7465 !nl80211_check_scan_feat(wiphy, *flags,
7466 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
7467 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
7468 !nl80211_check_scan_feat(wiphy, *flags,
7469 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
7470 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
7471 !nl80211_check_scan_feat(wiphy, *flags,
7472 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
7473 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
7474 !nl80211_check_scan_feat(wiphy, *flags,
7475 NL80211_SCAN_FLAG_RANDOM_SN,
7476 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
7477 !nl80211_check_scan_feat(wiphy, *flags,
7478 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
7479 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
7482 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7485 if (!(wiphy->features & randomness_flag) ||
7486 (wdev && wdev->current_bss))
7489 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
7497 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
7499 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7500 struct wireless_dev *wdev = info->user_ptr[1];
7501 struct cfg80211_scan_request *request;
7502 struct nlattr *attr;
7503 struct wiphy *wiphy;
7504 int err, tmp, n_ssids = 0, n_channels, i;
7507 wiphy = &rdev->wiphy;
7509 if (wdev->iftype == NL80211_IFTYPE_NAN)
7512 if (!rdev->ops->scan)
7515 if (rdev->scan_req || rdev->scan_msg) {
7520 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7521 n_channels = validate_scan_freqs(
7522 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7528 n_channels = ieee80211_get_num_supported_channels(wiphy);
7531 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
7532 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
7535 if (n_ssids > wiphy->max_scan_ssids) {
7540 if (info->attrs[NL80211_ATTR_IE])
7541 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7545 if (ie_len > wiphy->max_scan_ie_len) {
7550 request = kzalloc(sizeof(*request)
7551 + sizeof(*request->ssids) * n_ssids
7552 + sizeof(*request->channels) * n_channels
7553 + ie_len, GFP_KERNEL);
7560 request->ssids = (void *)&request->channels[n_channels];
7561 request->n_ssids = n_ssids;
7564 request->ie = (void *)(request->ssids + n_ssids);
7566 request->ie = (void *)(request->channels + n_channels);
7570 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7571 /* user specified, bail out if channel not found */
7572 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
7573 struct ieee80211_channel *chan;
7575 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7582 /* ignore disabled channels */
7583 if (chan->flags & IEEE80211_CHAN_DISABLED)
7586 request->channels[i] = chan;
7590 enum nl80211_band band;
7593 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7596 if (!wiphy->bands[band])
7598 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7599 struct ieee80211_channel *chan;
7601 chan = &wiphy->bands[band]->channels[j];
7603 if (chan->flags & IEEE80211_CHAN_DISABLED)
7606 request->channels[i] = chan;
7617 request->n_channels = i;
7620 if (!cfg80211_off_channel_oper_allowed(wdev)) {
7621 struct ieee80211_channel *chan;
7623 if (request->n_channels != 1) {
7629 chan = request->channels[0];
7630 if (chan->center_freq != wdev->chandef.chan->center_freq) {
7640 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
7641 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7645 request->ssids[i].ssid_len = nla_len(attr);
7646 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
7651 if (info->attrs[NL80211_ATTR_IE]) {
7652 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7653 memcpy((void *)request->ie,
7654 nla_data(info->attrs[NL80211_ATTR_IE]),
7658 for (i = 0; i < NUM_NL80211_BANDS; i++)
7659 if (wiphy->bands[i])
7661 (1 << wiphy->bands[i]->n_bitrates) - 1;
7663 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
7664 nla_for_each_nested(attr,
7665 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
7667 enum nl80211_band band = nla_type(attr);
7669 if (band < 0 || band >= NUM_NL80211_BANDS) {
7674 if (!wiphy->bands[band])
7677 err = ieee80211_get_ratemask(wiphy->bands[band],
7680 &request->rates[band]);
7686 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
7687 if (!wiphy_ext_feature_isset(wiphy,
7688 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
7694 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
7695 request->duration_mandatory =
7696 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
7699 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
7705 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7707 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7708 * BSSID to scan for. This was problematic because that same attribute
7709 * was already used for another purpose (local random MAC address). The
7710 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7711 * compatibility with older userspace components, also use the
7712 * NL80211_ATTR_MAC value here if it can be determined to be used for
7713 * the specific BSSID use case instead of the random MAC address
7714 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7716 if (info->attrs[NL80211_ATTR_BSSID])
7717 memcpy(request->bssid,
7718 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
7719 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
7720 info->attrs[NL80211_ATTR_MAC])
7721 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
7724 eth_broadcast_addr(request->bssid);
7726 request->wdev = wdev;
7727 request->wiphy = &rdev->wiphy;
7728 request->scan_start = jiffies;
7730 rdev->scan_req = request;
7731 err = rdev_scan(rdev, request);
7734 nl80211_send_scan_start(rdev, wdev);
7736 dev_hold(wdev->netdev);
7739 rdev->scan_req = NULL;
7747 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
7749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7750 struct wireless_dev *wdev = info->user_ptr[1];
7752 if (!rdev->ops->abort_scan)
7758 if (!rdev->scan_req)
7761 rdev_abort_scan(rdev, wdev);
7766 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
7767 struct cfg80211_sched_scan_request *request,
7768 struct nlattr **attrs)
7770 int tmp, err, i = 0;
7771 struct nlattr *attr;
7773 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7777 * If scan plans are not specified,
7778 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7779 * case one scan plan will be set with the specified scan
7780 * interval and infinite number of iterations.
7782 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
7786 request->scan_plans[0].interval =
7787 DIV_ROUND_UP(interval, MSEC_PER_SEC);
7788 if (!request->scan_plans[0].interval)
7791 if (request->scan_plans[0].interval >
7792 wiphy->max_sched_scan_plan_interval)
7793 request->scan_plans[0].interval =
7794 wiphy->max_sched_scan_plan_interval;
7799 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
7800 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
7802 if (WARN_ON(i >= n_plans))
7805 err = nla_parse_nested_deprecated(plan,
7806 NL80211_SCHED_SCAN_PLAN_MAX,
7807 attr, nl80211_plan_policy,
7812 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
7815 request->scan_plans[i].interval =
7816 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
7817 if (!request->scan_plans[i].interval ||
7818 request->scan_plans[i].interval >
7819 wiphy->max_sched_scan_plan_interval)
7822 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
7823 request->scan_plans[i].iterations =
7824 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
7825 if (!request->scan_plans[i].iterations ||
7826 (request->scan_plans[i].iterations >
7827 wiphy->max_sched_scan_plan_iterations))
7829 } else if (i < n_plans - 1) {
7831 * All scan plans but the last one must specify
7832 * a finite number of iterations
7841 * The last scan plan must not specify the number of
7842 * iterations, it is supposed to run infinitely
7844 if (request->scan_plans[n_plans - 1].iterations)
7851 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
7852 struct cfg80211_match_set *match_sets,
7853 struct nlattr *tb_band_rssi,
7856 struct nlattr *attr;
7857 int i, tmp, ret = 0;
7859 if (!wiphy_ext_feature_isset(wiphy,
7860 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
7864 for (i = 0; i < NUM_NL80211_BANDS; i++)
7865 match_sets->per_band_rssi_thold[i] =
7866 NL80211_SCAN_RSSI_THOLD_OFF;
7870 for (i = 0; i < NUM_NL80211_BANDS; i++)
7871 match_sets->per_band_rssi_thold[i] = rssi_thold;
7873 nla_for_each_nested(attr, tb_band_rssi, tmp) {
7874 enum nl80211_band band = nla_type(attr);
7876 if (band < 0 || band >= NUM_NL80211_BANDS)
7879 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
7885 static struct cfg80211_sched_scan_request *
7886 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
7887 struct nlattr **attrs, int max_match_sets)
7889 struct cfg80211_sched_scan_request *request;
7890 struct nlattr *attr;
7891 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
7892 enum nl80211_band band;
7894 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
7895 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
7897 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7898 n_channels = validate_scan_freqs(
7899 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7901 return ERR_PTR(-EINVAL);
7903 n_channels = ieee80211_get_num_supported_channels(wiphy);
7906 if (attrs[NL80211_ATTR_SCAN_SSIDS])
7907 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7911 if (n_ssids > wiphy->max_sched_scan_ssids)
7912 return ERR_PTR(-EINVAL);
7915 * First, count the number of 'real' matchsets. Due to an issue with
7916 * the old implementation, matchsets containing only the RSSI attribute
7917 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7918 * RSSI for all matchsets, rather than their own matchset for reporting
7919 * all APs with a strong RSSI. This is needed to be compatible with
7920 * older userspace that treated a matchset with only the RSSI as the
7921 * global RSSI for all other matchsets - if there are other matchsets.
7923 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7924 nla_for_each_nested(attr,
7925 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7927 struct nlattr *rssi;
7929 err = nla_parse_nested_deprecated(tb,
7930 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7932 nl80211_match_policy,
7935 return ERR_PTR(err);
7937 /* SSID and BSSID are mutually exclusive */
7938 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
7939 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
7940 return ERR_PTR(-EINVAL);
7942 /* add other standalone attributes here */
7943 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
7944 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
7948 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7950 default_match_rssi = nla_get_s32(rssi);
7954 /* However, if there's no other matchset, add the RSSI one */
7955 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
7958 if (n_match_sets > max_match_sets)
7959 return ERR_PTR(-EINVAL);
7961 if (attrs[NL80211_ATTR_IE])
7962 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
7966 if (ie_len > wiphy->max_sched_scan_ie_len)
7967 return ERR_PTR(-EINVAL);
7969 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7971 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7972 * each scan plan already specifies its own interval
7974 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7975 return ERR_PTR(-EINVAL);
7977 nla_for_each_nested(attr,
7978 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
7982 * The scan interval attribute is kept for backward
7983 * compatibility. If no scan plans are specified and sched scan
7984 * interval is specified, one scan plan will be set with this
7985 * scan interval and infinite number of iterations.
7987 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7988 return ERR_PTR(-EINVAL);
7993 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
7994 return ERR_PTR(-EINVAL);
7996 if (!wiphy_ext_feature_isset(
7997 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
7998 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
7999 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8000 return ERR_PTR(-EINVAL);
8002 request = kzalloc(sizeof(*request)
8003 + sizeof(*request->ssids) * n_ssids
8004 + sizeof(*request->match_sets) * n_match_sets
8005 + sizeof(*request->scan_plans) * n_plans
8006 + sizeof(*request->channels) * n_channels
8007 + ie_len, GFP_KERNEL);
8009 return ERR_PTR(-ENOMEM);
8012 request->ssids = (void *)&request->channels[n_channels];
8013 request->n_ssids = n_ssids;
8016 request->ie = (void *)(request->ssids + n_ssids);
8018 request->ie = (void *)(request->channels + n_channels);
8023 request->match_sets = (void *)(request->ie + ie_len);
8025 request->match_sets =
8026 (void *)(request->ssids + n_ssids);
8028 request->match_sets =
8029 (void *)(request->channels + n_channels);
8031 request->n_match_sets = n_match_sets;
8034 request->scan_plans = (void *)(request->match_sets +
8036 else if (request->ie)
8037 request->scan_plans = (void *)(request->ie + ie_len);
8039 request->scan_plans = (void *)(request->ssids + n_ssids);
8041 request->scan_plans = (void *)(request->channels + n_channels);
8043 request->n_scan_plans = n_plans;
8046 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8047 /* user specified, bail out if channel not found */
8048 nla_for_each_nested(attr,
8049 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
8051 struct ieee80211_channel *chan;
8053 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8060 /* ignore disabled channels */
8061 if (chan->flags & IEEE80211_CHAN_DISABLED)
8064 request->channels[i] = chan;
8069 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8072 if (!wiphy->bands[band])
8074 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8075 struct ieee80211_channel *chan;
8077 chan = &wiphy->bands[band]->channels[j];
8079 if (chan->flags & IEEE80211_CHAN_DISABLED)
8082 request->channels[i] = chan;
8093 request->n_channels = i;
8097 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8099 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8103 request->ssids[i].ssid_len = nla_len(attr);
8104 memcpy(request->ssids[i].ssid, nla_data(attr),
8111 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8112 nla_for_each_nested(attr,
8113 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8115 struct nlattr *ssid, *bssid, *rssi;
8117 err = nla_parse_nested_deprecated(tb,
8118 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8120 nl80211_match_policy,
8124 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
8125 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
8127 if (!ssid && !bssid) {
8132 if (WARN_ON(i >= n_match_sets)) {
8133 /* this indicates a programming error,
8134 * the loop above should have verified
8142 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
8146 memcpy(request->match_sets[i].ssid.ssid,
8147 nla_data(ssid), nla_len(ssid));
8148 request->match_sets[i].ssid.ssid_len =
8152 if (nla_len(bssid) != ETH_ALEN) {
8156 memcpy(request->match_sets[i].bssid,
8157 nla_data(bssid), ETH_ALEN);
8160 /* special attribute - old implementation w/a */
8161 request->match_sets[i].rssi_thold = default_match_rssi;
8162 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8164 request->match_sets[i].rssi_thold =
8167 /* Parse per band RSSI attribute */
8168 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8169 &request->match_sets[i],
8170 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8171 request->match_sets[i].rssi_thold);
8178 /* there was no other matchset, so the RSSI one is alone */
8179 if (i == 0 && n_match_sets)
8180 request->match_sets[0].rssi_thold = default_match_rssi;
8182 request->min_rssi_thold = INT_MAX;
8183 for (i = 0; i < n_match_sets; i++)
8184 request->min_rssi_thold =
8185 min(request->match_sets[i].rssi_thold,
8186 request->min_rssi_thold);
8188 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8192 request->ie_len = ie_len;
8193 memcpy((void *)request->ie,
8194 nla_data(attrs[NL80211_ATTR_IE]),
8198 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8202 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8204 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8206 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8207 request->relative_rssi = nla_get_s8(
8208 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8209 request->relative_rssi_set = true;
8212 if (request->relative_rssi_set &&
8213 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8214 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8216 rssi_adjust = nla_data(
8217 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8218 request->rssi_adjust.band = rssi_adjust->band;
8219 request->rssi_adjust.delta = rssi_adjust->delta;
8220 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8226 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8230 request->scan_start = jiffies;
8236 return ERR_PTR(err);
8239 static int nl80211_start_sched_scan(struct sk_buff *skb,
8240 struct genl_info *info)
8242 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8243 struct net_device *dev = info->user_ptr[1];
8244 struct wireless_dev *wdev = dev->ieee80211_ptr;
8245 struct cfg80211_sched_scan_request *sched_scan_req;
8249 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8252 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8253 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8257 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8259 rdev->wiphy.max_match_sets);
8261 err = PTR_ERR_OR_ZERO(sched_scan_req);
8265 /* leave request id zero for legacy request
8266 * or if driver does not support multi-scheduled scan
8268 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
8269 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8271 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
8275 sched_scan_req->dev = dev;
8276 sched_scan_req->wiphy = &rdev->wiphy;
8278 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8279 sched_scan_req->owner_nlportid = info->snd_portid;
8281 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
8283 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
8287 kfree(sched_scan_req);
8292 static int nl80211_stop_sched_scan(struct sk_buff *skb,
8293 struct genl_info *info)
8295 struct cfg80211_sched_scan_request *req;
8296 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8299 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
8302 if (info->attrs[NL80211_ATTR_COOKIE]) {
8303 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8304 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8307 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8308 struct cfg80211_sched_scan_request,
8310 if (!req || req->reqid ||
8311 (req->owner_nlportid &&
8312 req->owner_nlportid != info->snd_portid))
8315 return cfg80211_stop_sched_scan_req(rdev, req, false);
8318 static int nl80211_start_radar_detection(struct sk_buff *skb,
8319 struct genl_info *info)
8321 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8322 struct net_device *dev = info->user_ptr[1];
8323 struct wireless_dev *wdev = dev->ieee80211_ptr;
8324 struct wiphy *wiphy = wdev->wiphy;
8325 struct cfg80211_chan_def chandef;
8326 enum nl80211_dfs_regions dfs_region;
8327 unsigned int cac_time_ms;
8330 dfs_region = reg_get_dfs_region(wiphy);
8331 if (dfs_region == NL80211_DFS_UNSET)
8334 err = nl80211_parse_chandef(rdev, info, &chandef);
8338 if (netif_carrier_ok(dev))
8341 if (wdev->cac_started)
8344 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8351 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
8354 /* CAC start is offloaded to HW and can't be started manually */
8355 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8358 if (!rdev->ops->start_radar_detection)
8361 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8362 if (WARN_ON(!cac_time_ms))
8363 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8365 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
8367 wdev->chandef = chandef;
8368 wdev->cac_started = true;
8369 wdev->cac_start_time = jiffies;
8370 wdev->cac_time_ms = cac_time_ms;
8375 static int nl80211_notify_radar_detection(struct sk_buff *skb,
8376 struct genl_info *info)
8378 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8379 struct net_device *dev = info->user_ptr[1];
8380 struct wireless_dev *wdev = dev->ieee80211_ptr;
8381 struct wiphy *wiphy = wdev->wiphy;
8382 struct cfg80211_chan_def chandef;
8383 enum nl80211_dfs_regions dfs_region;
8386 dfs_region = reg_get_dfs_region(wiphy);
8387 if (dfs_region == NL80211_DFS_UNSET) {
8388 GENL_SET_ERR_MSG(info,
8389 "DFS Region is not set. Unexpected Radar indication");
8393 err = nl80211_parse_chandef(rdev, info, &chandef);
8395 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8399 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8401 GENL_SET_ERR_MSG(info, "chandef is invalid");
8406 GENL_SET_ERR_MSG(info,
8407 "Unexpected Radar indication for chandef/iftype");
8411 /* Do not process this notification if radar is already detected
8412 * by kernel on this channel, and return success.
8414 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8417 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8419 cfg80211_sched_dfs_chan_update(rdev);
8421 rdev->radar_chandef = chandef;
8423 /* Propagate this notification to other radios as well */
8424 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8429 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8432 struct net_device *dev = info->user_ptr[1];
8433 struct wireless_dev *wdev = dev->ieee80211_ptr;
8434 struct cfg80211_csa_settings params;
8435 /* csa_attrs is defined static to avoid waste of stack size - this
8436 * function is called under RTNL lock, so this should not be a problem.
8438 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
8440 bool need_new_beacon = false;
8441 bool need_handle_dfs_flag = true;
8445 if (!rdev->ops->channel_switch ||
8446 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
8449 switch (dev->ieee80211_ptr->iftype) {
8450 case NL80211_IFTYPE_AP:
8451 case NL80211_IFTYPE_P2P_GO:
8452 need_new_beacon = true;
8453 /* For all modes except AP the handle_dfs flag needs to be
8454 * supplied to tell the kernel that userspace will handle radar
8455 * events when they happen. Otherwise a switch to a channel
8456 * requiring DFS will be rejected.
8458 need_handle_dfs_flag = false;
8460 /* useless if AP is not running */
8461 if (!wdev->beacon_interval)
8464 case NL80211_IFTYPE_ADHOC:
8465 if (!wdev->ssid_len)
8468 case NL80211_IFTYPE_MESH_POINT:
8469 if (!wdev->mesh_id_len)
8476 memset(¶ms, 0, sizeof(params));
8477 params.beacon_csa.ftm_responder = -1;
8479 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8480 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
8483 /* only important for AP, IBSS and mesh create IEs internally */
8484 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
8487 /* Even though the attribute is u32, the specification says
8488 * u8, so let's make sure we don't overflow.
8490 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
8494 params.count = cs_count;
8496 if (!need_new_beacon)
8499 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
8503 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
8504 info->attrs[NL80211_ATTR_CSA_IES],
8505 nl80211_policy, info->extack);
8509 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
8513 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
8516 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8517 if (!len || (len % sizeof(u16)))
8520 params.n_counter_offsets_beacon = len / sizeof(u16);
8521 if (rdev->wiphy.max_num_csa_counters &&
8522 (params.n_counter_offsets_beacon >
8523 rdev->wiphy.max_num_csa_counters))
8526 params.counter_offsets_beacon =
8527 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8529 /* sanity checks - counters should fit and be the same */
8530 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
8531 u16 offset = params.counter_offsets_beacon[i];
8533 if (offset >= params.beacon_csa.tail_len)
8536 if (params.beacon_csa.tail[offset] != params.count)
8540 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
8541 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8542 if (!len || (len % sizeof(u16)))
8545 params.n_counter_offsets_presp = len / sizeof(u16);
8546 if (rdev->wiphy.max_num_csa_counters &&
8547 (params.n_counter_offsets_presp >
8548 rdev->wiphy.max_num_csa_counters))
8551 params.counter_offsets_presp =
8552 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8554 /* sanity checks - counters should fit and be the same */
8555 for (i = 0; i < params.n_counter_offsets_presp; i++) {
8556 u16 offset = params.counter_offsets_presp[i];
8558 if (offset >= params.beacon_csa.probe_resp_len)
8561 if (params.beacon_csa.probe_resp[offset] !=
8568 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
8572 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
8576 err = cfg80211_chandef_dfs_required(wdev->wiphy,
8583 params.radar_required = true;
8584 if (need_handle_dfs_flag &&
8585 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
8590 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
8591 params.block_tx = true;
8594 err = rdev_channel_switch(rdev, dev, ¶ms);
8600 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
8602 struct cfg80211_registered_device *rdev,
8603 struct wireless_dev *wdev,
8604 struct cfg80211_internal_bss *intbss)
8606 struct cfg80211_bss *res = &intbss->pub;
8607 const struct cfg80211_bss_ies *ies;
8611 ASSERT_WDEV_LOCK(wdev);
8613 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8614 NL80211_CMD_NEW_SCAN_RESULTS);
8618 genl_dump_check_consistent(cb, hdr);
8620 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
8621 goto nla_put_failure;
8623 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
8624 goto nla_put_failure;
8625 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
8627 goto nla_put_failure;
8629 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
8631 goto nla_put_failure;
8632 if ((!is_zero_ether_addr(res->bssid) &&
8633 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
8634 goto nla_put_failure;
8637 /* indicate whether we have probe response data or not */
8638 if (rcu_access_pointer(res->proberesp_ies) &&
8639 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
8640 goto fail_unlock_rcu;
8642 /* this pointer prefers to be pointed to probe response data
8643 * but is always valid
8645 ies = rcu_dereference(res->ies);
8647 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
8649 goto fail_unlock_rcu;
8650 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
8651 ies->len, ies->data))
8652 goto fail_unlock_rcu;
8655 /* and this pointer is always (unless driver didn't know) beacon data */
8656 ies = rcu_dereference(res->beacon_ies);
8657 if (ies && ies->from_beacon) {
8658 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
8660 goto fail_unlock_rcu;
8661 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
8662 ies->len, ies->data))
8663 goto fail_unlock_rcu;
8667 if (res->beacon_interval &&
8668 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
8669 goto nla_put_failure;
8670 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
8671 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
8672 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
8673 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
8674 jiffies_to_msecs(jiffies - intbss->ts)))
8675 goto nla_put_failure;
8677 if (intbss->parent_tsf &&
8678 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
8679 intbss->parent_tsf, NL80211_BSS_PAD) ||
8680 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
8681 intbss->parent_bssid)))
8682 goto nla_put_failure;
8684 if (intbss->ts_boottime &&
8685 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
8686 intbss->ts_boottime, NL80211_BSS_PAD))
8687 goto nla_put_failure;
8689 if (!nl80211_put_signal(msg, intbss->pub.chains,
8690 intbss->pub.chain_signal,
8691 NL80211_BSS_CHAIN_SIGNAL))
8692 goto nla_put_failure;
8694 switch (rdev->wiphy.signal_type) {
8695 case CFG80211_SIGNAL_TYPE_MBM:
8696 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
8697 goto nla_put_failure;
8699 case CFG80211_SIGNAL_TYPE_UNSPEC:
8700 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
8701 goto nla_put_failure;
8707 switch (wdev->iftype) {
8708 case NL80211_IFTYPE_P2P_CLIENT:
8709 case NL80211_IFTYPE_STATION:
8710 if (intbss == wdev->current_bss &&
8711 nla_put_u32(msg, NL80211_BSS_STATUS,
8712 NL80211_BSS_STATUS_ASSOCIATED))
8713 goto nla_put_failure;
8715 case NL80211_IFTYPE_ADHOC:
8716 if (intbss == wdev->current_bss &&
8717 nla_put_u32(msg, NL80211_BSS_STATUS,
8718 NL80211_BSS_STATUS_IBSS_JOINED))
8719 goto nla_put_failure;
8725 nla_nest_end(msg, bss);
8727 genlmsg_end(msg, hdr);
8733 genlmsg_cancel(msg, hdr);
8737 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
8739 struct cfg80211_registered_device *rdev;
8740 struct cfg80211_internal_bss *scan;
8741 struct wireless_dev *wdev;
8742 int start = cb->args[2], idx = 0;
8746 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8753 spin_lock_bh(&rdev->bss_lock);
8756 * dump_scan will be called multiple times to break up the scan results
8757 * into multiple messages. It is unlikely that any more bss-es will be
8758 * expired after the first call, so only call only call this on the
8759 * first dump_scan invocation.
8762 cfg80211_bss_expire(rdev);
8764 cb->seq = rdev->bss_generation;
8766 list_for_each_entry(scan, &rdev->bss_list, list) {
8769 if (nl80211_send_bss(skb, cb,
8770 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8771 rdev, wdev, scan) < 0) {
8777 spin_unlock_bh(&rdev->bss_lock);
8786 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
8787 int flags, struct net_device *dev,
8788 bool allow_radio_stats,
8789 struct survey_info *survey)
8792 struct nlattr *infoattr;
8794 /* skip radio stats if userspace didn't request them */
8795 if (!survey->channel && !allow_radio_stats)
8798 hdr = nl80211hdr_put(msg, portid, seq, flags,
8799 NL80211_CMD_NEW_SURVEY_RESULTS);
8803 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
8804 goto nla_put_failure;
8806 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
8808 goto nla_put_failure;
8810 if (survey->channel &&
8811 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
8812 survey->channel->center_freq))
8813 goto nla_put_failure;
8815 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
8816 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
8817 goto nla_put_failure;
8818 if ((survey->filled & SURVEY_INFO_IN_USE) &&
8819 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
8820 goto nla_put_failure;
8821 if ((survey->filled & SURVEY_INFO_TIME) &&
8822 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
8823 survey->time, NL80211_SURVEY_INFO_PAD))
8824 goto nla_put_failure;
8825 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
8826 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
8827 survey->time_busy, NL80211_SURVEY_INFO_PAD))
8828 goto nla_put_failure;
8829 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
8830 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
8831 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
8832 goto nla_put_failure;
8833 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
8834 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
8835 survey->time_rx, NL80211_SURVEY_INFO_PAD))
8836 goto nla_put_failure;
8837 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
8838 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
8839 survey->time_tx, NL80211_SURVEY_INFO_PAD))
8840 goto nla_put_failure;
8841 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
8842 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
8843 survey->time_scan, NL80211_SURVEY_INFO_PAD))
8844 goto nla_put_failure;
8845 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
8846 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
8847 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
8848 goto nla_put_failure;
8850 nla_nest_end(msg, infoattr);
8852 genlmsg_end(msg, hdr);
8856 genlmsg_cancel(msg, hdr);
8860 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
8862 struct nlattr **attrbuf;
8863 struct survey_info survey;
8864 struct cfg80211_registered_device *rdev;
8865 struct wireless_dev *wdev;
8866 int survey_idx = cb->args[2];
8870 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
8875 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8879 /* prepare_wdev_dump parsed the attributes */
8880 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
8882 if (!wdev->netdev) {
8887 if (!rdev->ops->dump_survey) {
8893 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
8899 /* don't send disabled channels, but do send non-channel data */
8900 if (survey.channel &&
8901 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
8906 if (nl80211_send_survey(skb,
8907 NETLINK_CB(cb->skb).portid,
8908 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8909 wdev->netdev, radio_stats, &survey) < 0)
8915 cb->args[2] = survey_idx;
8923 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
8925 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
8926 NL80211_WPA_VERSION_2 |
8927 NL80211_WPA_VERSION_3));
8930 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
8932 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8933 struct net_device *dev = info->user_ptr[1];
8934 struct ieee80211_channel *chan;
8935 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
8936 int err, ssid_len, ie_len = 0, auth_data_len = 0;
8937 enum nl80211_auth_type auth_type;
8938 struct key_parse key;
8939 bool local_state_change;
8941 if (!info->attrs[NL80211_ATTR_MAC])
8944 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
8947 if (!info->attrs[NL80211_ATTR_SSID])
8950 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
8953 err = nl80211_parse_key(info, &key);
8958 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
8960 if (!key.p.key || !key.p.key_len)
8962 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
8963 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
8964 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
8965 key.p.key_len != WLAN_KEY_LEN_WEP104))
8978 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
8979 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
8988 if (!rdev->ops->auth)
8991 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8992 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8995 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8996 chan = nl80211_get_valid_chan(&rdev->wiphy,
8997 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9001 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9002 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9004 if (info->attrs[NL80211_ATTR_IE]) {
9005 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9006 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9009 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9010 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
9013 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9014 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9015 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9016 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
9017 !info->attrs[NL80211_ATTR_AUTH_DATA])
9020 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
9021 if (auth_type != NL80211_AUTHTYPE_SAE &&
9022 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9023 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9024 auth_type != NL80211_AUTHTYPE_FILS_PK)
9026 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9027 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
9028 /* need to include at least Auth Transaction and Status Code */
9029 if (auth_data_len < 4)
9033 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9036 * Since we no longer track auth state, ignore
9037 * requests to only change local state.
9039 if (local_state_change)
9042 wdev_lock(dev->ieee80211_ptr);
9043 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9044 ssid, ssid_len, ie, ie_len,
9045 key.p.key, key.p.key_len, key.idx,
9046 auth_data, auth_data_len);
9047 wdev_unlock(dev->ieee80211_ptr);
9051 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9052 struct genl_info *info)
9054 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9055 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9059 if (!rdev->ops->tx_control_port ||
9060 !wiphy_ext_feature_isset(&rdev->wiphy,
9061 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9067 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9068 struct genl_info *info,
9069 struct cfg80211_crypto_settings *settings,
9072 memset(settings, 0, sizeof(*settings));
9074 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9076 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9079 proto = nla_get_u16(
9080 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9081 settings->control_port_ethertype = cpu_to_be16(proto);
9082 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9085 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9086 settings->control_port_no_encrypt = true;
9088 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9090 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9091 int r = validate_pae_over_nl80211(rdev, info);
9096 settings->control_port_over_nl80211 = true;
9099 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9103 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9104 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9105 settings->n_ciphers_pairwise = len / sizeof(u32);
9107 if (len % sizeof(u32))
9110 if (settings->n_ciphers_pairwise > cipher_limit)
9113 memcpy(settings->ciphers_pairwise, data, len);
9115 for (i = 0; i < settings->n_ciphers_pairwise; i++)
9116 if (!cfg80211_supported_cipher_suite(
9118 settings->ciphers_pairwise[i]))
9122 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9123 settings->cipher_group =
9124 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
9125 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9126 settings->cipher_group))
9130 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9131 settings->wpa_versions =
9132 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9133 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9137 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9141 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9142 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9143 settings->n_akm_suites = len / sizeof(u32);
9145 if (len % sizeof(u32))
9148 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9151 memcpy(settings->akm_suites, data, len);
9154 if (info->attrs[NL80211_ATTR_PMK]) {
9155 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9157 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9158 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
9160 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9163 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9164 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9165 NL80211_EXT_FEATURE_SAE_OFFLOAD))
9168 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9169 settings->sae_pwd_len =
9170 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9176 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9178 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9179 struct net_device *dev = info->user_ptr[1];
9180 struct ieee80211_channel *chan;
9181 struct cfg80211_assoc_request req = {};
9182 const u8 *bssid, *ssid;
9183 int err, ssid_len = 0;
9185 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9186 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9189 if (!info->attrs[NL80211_ATTR_MAC] ||
9190 !info->attrs[NL80211_ATTR_SSID] ||
9191 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
9194 if (!rdev->ops->assoc)
9197 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9198 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9201 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9203 chan = nl80211_get_valid_chan(&rdev->wiphy,
9204 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9208 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9209 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9211 if (info->attrs[NL80211_ATTR_IE]) {
9212 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9213 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9216 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9217 enum nl80211_mfp mfp =
9218 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9219 if (mfp == NL80211_MFP_REQUIRED)
9221 else if (mfp != NL80211_MFP_NO)
9225 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9226 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9228 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9229 req.flags |= ASSOC_REQ_DISABLE_HT;
9231 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9232 memcpy(&req.ht_capa_mask,
9233 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9234 sizeof(req.ht_capa_mask));
9236 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9237 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9239 memcpy(&req.ht_capa,
9240 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9241 sizeof(req.ht_capa));
9244 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9245 req.flags |= ASSOC_REQ_DISABLE_VHT;
9247 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9248 memcpy(&req.vht_capa_mask,
9249 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9250 sizeof(req.vht_capa_mask));
9252 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9253 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9255 memcpy(&req.vht_capa,
9256 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9257 sizeof(req.vht_capa));
9260 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9261 if (!((rdev->wiphy.features &
9262 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9263 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9264 !wiphy_ext_feature_isset(&rdev->wiphy,
9265 NL80211_EXT_FEATURE_RRM))
9267 req.flags |= ASSOC_REQ_USE_RRM;
9270 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9271 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9272 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9273 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9276 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9279 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
9281 wdev_lock(dev->ieee80211_ptr);
9283 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9284 ssid, ssid_len, &req);
9286 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9287 dev->ieee80211_ptr->conn_owner_nlportid =
9289 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9293 wdev_unlock(dev->ieee80211_ptr);
9299 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9301 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9302 struct net_device *dev = info->user_ptr[1];
9303 const u8 *ie = NULL, *bssid;
9304 int ie_len = 0, err;
9306 bool local_state_change;
9308 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9309 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9312 if (!info->attrs[NL80211_ATTR_MAC])
9315 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9318 if (!rdev->ops->deauth)
9321 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9322 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9325 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9327 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9328 if (reason_code == 0) {
9329 /* Reason Code 0 is reserved */
9333 if (info->attrs[NL80211_ATTR_IE]) {
9334 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9335 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9338 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9340 wdev_lock(dev->ieee80211_ptr);
9341 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9342 local_state_change);
9343 wdev_unlock(dev->ieee80211_ptr);
9347 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9349 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9350 struct net_device *dev = info->user_ptr[1];
9351 const u8 *ie = NULL, *bssid;
9352 int ie_len = 0, err;
9354 bool local_state_change;
9356 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9357 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9360 if (!info->attrs[NL80211_ATTR_MAC])
9363 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9366 if (!rdev->ops->disassoc)
9369 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9370 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9373 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9375 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9376 if (reason_code == 0) {
9377 /* Reason Code 0 is reserved */
9381 if (info->attrs[NL80211_ATTR_IE]) {
9382 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9383 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9386 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9388 wdev_lock(dev->ieee80211_ptr);
9389 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9390 local_state_change);
9391 wdev_unlock(dev->ieee80211_ptr);
9396 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
9397 int mcast_rate[NUM_NL80211_BANDS],
9400 struct wiphy *wiphy = &rdev->wiphy;
9404 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9405 struct ieee80211_supported_band *sband;
9407 sband = wiphy->bands[band];
9411 for (i = 0; i < sband->n_bitrates; i++) {
9412 if (sband->bitrates[i].bitrate == rateval) {
9413 mcast_rate[band] = i + 1;
9423 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
9425 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9426 struct net_device *dev = info->user_ptr[1];
9427 struct cfg80211_ibss_params ibss;
9428 struct wiphy *wiphy;
9429 struct cfg80211_cached_keys *connkeys = NULL;
9432 memset(&ibss, 0, sizeof(ibss));
9434 if (!info->attrs[NL80211_ATTR_SSID] ||
9435 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9438 ibss.beacon_interval = 100;
9440 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
9441 ibss.beacon_interval =
9442 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9444 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
9445 ibss.beacon_interval);
9449 if (!rdev->ops->join_ibss)
9452 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9455 wiphy = &rdev->wiphy;
9457 if (info->attrs[NL80211_ATTR_MAC]) {
9458 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9460 if (!is_valid_ether_addr(ibss.bssid))
9463 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9464 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9466 if (info->attrs[NL80211_ATTR_IE]) {
9467 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9468 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9471 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
9475 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
9476 NL80211_IFTYPE_ADHOC))
9479 switch (ibss.chandef.width) {
9480 case NL80211_CHAN_WIDTH_5:
9481 case NL80211_CHAN_WIDTH_10:
9482 case NL80211_CHAN_WIDTH_20_NOHT:
9484 case NL80211_CHAN_WIDTH_20:
9485 case NL80211_CHAN_WIDTH_40:
9486 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9489 case NL80211_CHAN_WIDTH_80:
9490 case NL80211_CHAN_WIDTH_80P80:
9491 case NL80211_CHAN_WIDTH_160:
9492 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9494 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9495 NL80211_EXT_FEATURE_VHT_IBSS))
9502 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
9503 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
9505 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9507 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9509 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9510 struct ieee80211_supported_band *sband =
9511 wiphy->bands[ibss.chandef.chan->band];
9513 err = ieee80211_get_ratemask(sband, rates, n_rates,
9519 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9520 memcpy(&ibss.ht_capa_mask,
9521 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9522 sizeof(ibss.ht_capa_mask));
9524 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9525 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9527 memcpy(&ibss.ht_capa,
9528 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9529 sizeof(ibss.ht_capa));
9532 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9533 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
9534 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9537 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9540 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
9541 if (IS_ERR(connkeys))
9542 return PTR_ERR(connkeys);
9544 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
9552 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
9554 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9555 int r = validate_pae_over_nl80211(rdev, info);
9562 ibss.control_port_over_nl80211 = true;
9565 ibss.userspace_handles_dfs =
9566 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9568 wdev_lock(dev->ieee80211_ptr);
9569 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
9572 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9573 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9574 wdev_unlock(dev->ieee80211_ptr);
9579 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
9581 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9582 struct net_device *dev = info->user_ptr[1];
9584 if (!rdev->ops->leave_ibss)
9587 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9590 return cfg80211_leave_ibss(rdev, dev, false);
9593 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
9595 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9596 struct net_device *dev = info->user_ptr[1];
9597 int mcast_rate[NUM_NL80211_BANDS];
9601 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
9602 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
9603 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
9606 if (!rdev->ops->set_mcast_rate)
9609 memset(mcast_rate, 0, sizeof(mcast_rate));
9611 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
9614 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
9615 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
9618 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
9623 static struct sk_buff *
9624 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
9625 struct wireless_dev *wdev, int approxlen,
9626 u32 portid, u32 seq, enum nl80211_commands cmd,
9627 enum nl80211_attrs attr,
9628 const struct nl80211_vendor_cmd_info *info,
9631 struct sk_buff *skb;
9633 struct nlattr *data;
9635 skb = nlmsg_new(approxlen + 100, gfp);
9639 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
9645 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
9646 goto nla_put_failure;
9649 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
9651 goto nla_put_failure;
9652 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
9654 goto nla_put_failure;
9658 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
9659 wdev_id(wdev), NL80211_ATTR_PAD))
9660 goto nla_put_failure;
9662 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
9663 wdev->netdev->ifindex))
9664 goto nla_put_failure;
9667 data = nla_nest_start_noflag(skb, attr);
9669 goto nla_put_failure;
9671 ((void **)skb->cb)[0] = rdev;
9672 ((void **)skb->cb)[1] = hdr;
9673 ((void **)skb->cb)[2] = data;
9682 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
9683 struct wireless_dev *wdev,
9684 enum nl80211_commands cmd,
9685 enum nl80211_attrs attr,
9686 unsigned int portid,
9687 int vendor_event_idx,
9688 int approxlen, gfp_t gfp)
9690 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
9691 const struct nl80211_vendor_cmd_info *info;
9694 case NL80211_CMD_TESTMODE:
9695 if (WARN_ON(vendor_event_idx != -1))
9699 case NL80211_CMD_VENDOR:
9700 if (WARN_ON(vendor_event_idx < 0 ||
9701 vendor_event_idx >= wiphy->n_vendor_events))
9703 info = &wiphy->vendor_events[vendor_event_idx];
9710 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
9711 cmd, attr, info, gfp);
9713 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
9715 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
9717 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9718 void *hdr = ((void **)skb->cb)[1];
9719 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
9720 struct nlattr *data = ((void **)skb->cb)[2];
9721 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
9723 /* clear CB data for netlink core to own from now on */
9724 memset(skb->cb, 0, sizeof(skb->cb));
9726 nla_nest_end(skb, data);
9727 genlmsg_end(skb, hdr);
9729 if (nlhdr->nlmsg_pid) {
9730 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
9733 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
9734 mcgrp = NL80211_MCGRP_VENDOR;
9736 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
9737 skb, 0, mcgrp, gfp);
9740 EXPORT_SYMBOL(__cfg80211_send_event_skb);
9742 #ifdef CONFIG_NL80211_TESTMODE
9743 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
9745 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9746 struct wireless_dev *wdev =
9747 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
9750 if (!rdev->ops->testmode_cmd)
9754 err = PTR_ERR(wdev);
9758 } else if (wdev->wiphy != &rdev->wiphy) {
9762 if (!info->attrs[NL80211_ATTR_TESTDATA])
9765 rdev->cur_cmd_info = info;
9766 err = rdev_testmode_cmd(rdev, wdev,
9767 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
9768 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
9769 rdev->cur_cmd_info = NULL;
9774 static int nl80211_testmode_dump(struct sk_buff *skb,
9775 struct netlink_callback *cb)
9777 struct cfg80211_registered_device *rdev;
9778 struct nlattr **attrbuf = NULL;
9788 * 0 is a valid index, but not valid for args[0],
9789 * so we need to offset by 1.
9791 phy_idx = cb->args[0] - 1;
9793 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
9799 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
9806 err = nlmsg_parse_deprecated(cb->nlh,
9807 GENL_HDRLEN + nl80211_fam.hdrsize,
9808 attrbuf, nl80211_fam.maxattr,
9809 nl80211_policy, NULL);
9813 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
9815 err = PTR_ERR(rdev);
9818 phy_idx = rdev->wiphy_idx;
9820 if (attrbuf[NL80211_ATTR_TESTDATA])
9821 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
9825 data = nla_data((void *)cb->args[1]);
9826 data_len = nla_len((void *)cb->args[1]);
9829 if (!rdev->ops->testmode_dump) {
9835 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
9836 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9837 NL80211_CMD_TESTMODE);
9838 struct nlattr *tmdata;
9843 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
9844 genlmsg_cancel(skb, hdr);
9848 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
9850 genlmsg_cancel(skb, hdr);
9853 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
9854 nla_nest_end(skb, tmdata);
9856 if (err == -ENOBUFS || err == -ENOENT) {
9857 genlmsg_cancel(skb, hdr);
9860 genlmsg_cancel(skb, hdr);
9864 genlmsg_end(skb, hdr);
9869 cb->args[0] = phy_idx + 1;
9877 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
9879 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9880 struct net_device *dev = info->user_ptr[1];
9881 struct cfg80211_connect_params connect;
9882 struct wiphy *wiphy;
9883 struct cfg80211_cached_keys *connkeys = NULL;
9886 memset(&connect, 0, sizeof(connect));
9888 if (!info->attrs[NL80211_ATTR_SSID] ||
9889 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9892 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9894 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9895 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
9896 NL80211_CMD_CONNECT))
9899 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
9901 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
9903 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
9904 !wiphy_ext_feature_isset(&rdev->wiphy,
9905 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
9907 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
9909 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
9910 NL80211_MAX_NR_CIPHER_SUITES);
9914 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9915 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9918 wiphy = &rdev->wiphy;
9920 connect.bg_scan_period = -1;
9921 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
9922 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
9923 connect.bg_scan_period =
9924 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
9927 if (info->attrs[NL80211_ATTR_MAC])
9928 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9929 else if (info->attrs[NL80211_ATTR_MAC_HINT])
9930 connect.bssid_hint =
9931 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
9932 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9933 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9935 if (info->attrs[NL80211_ATTR_IE]) {
9936 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9937 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9940 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9941 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9942 if (connect.mfp == NL80211_MFP_OPTIONAL &&
9943 !wiphy_ext_feature_isset(&rdev->wiphy,
9944 NL80211_EXT_FEATURE_MFP_OPTIONAL))
9947 connect.mfp = NL80211_MFP_NO;
9950 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9951 connect.prev_bssid =
9952 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9954 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9955 connect.channel = nl80211_get_valid_chan(
9956 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9957 if (!connect.channel)
9959 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
9960 connect.channel_hint = nl80211_get_valid_chan(
9961 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
9962 if (!connect.channel_hint)
9966 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
9967 connect.edmg.channels =
9968 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
9970 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
9971 connect.edmg.bw_config =
9972 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
9975 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9976 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
9977 if (IS_ERR(connkeys))
9978 return PTR_ERR(connkeys);
9981 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9982 connect.flags |= ASSOC_REQ_DISABLE_HT;
9984 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9985 memcpy(&connect.ht_capa_mask,
9986 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9987 sizeof(connect.ht_capa_mask));
9989 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9990 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
9994 memcpy(&connect.ht_capa,
9995 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9996 sizeof(connect.ht_capa));
9999 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10000 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10002 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10003 memcpy(&connect.vht_capa_mask,
10004 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10005 sizeof(connect.vht_capa_mask));
10007 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10008 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
10012 memcpy(&connect.vht_capa,
10013 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10014 sizeof(connect.vht_capa));
10017 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10018 if (!((rdev->wiphy.features &
10019 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10020 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10021 !wiphy_ext_feature_isset(&rdev->wiphy,
10022 NL80211_EXT_FEATURE_RRM)) {
10026 connect.flags |= ASSOC_REQ_USE_RRM;
10029 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
10030 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
10032 return -EOPNOTSUPP;
10035 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10036 /* bss selection makes no sense if bssid is set */
10037 if (connect.bssid) {
10042 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10043 wiphy, &connect.bss_select);
10050 if (wiphy_ext_feature_isset(&rdev->wiphy,
10051 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10052 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10053 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10054 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10055 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10056 connect.fils_erp_username =
10057 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10058 connect.fils_erp_username_len =
10059 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10060 connect.fils_erp_realm =
10061 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10062 connect.fils_erp_realm_len =
10063 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10064 connect.fils_erp_next_seq_num =
10066 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10067 connect.fils_erp_rrk =
10068 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10069 connect.fils_erp_rrk_len =
10070 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10071 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10072 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10073 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10074 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10079 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10080 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10082 GENL_SET_ERR_MSG(info,
10083 "external auth requires connection ownership");
10086 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10089 wdev_lock(dev->ieee80211_ptr);
10091 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10092 connect.prev_bssid);
10096 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10097 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10099 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10100 connect.bssid, ETH_ALEN);
10102 memset(dev->ieee80211_ptr->disconnect_bssid,
10106 wdev_unlock(dev->ieee80211_ptr);
10111 static int nl80211_update_connect_params(struct sk_buff *skb,
10112 struct genl_info *info)
10114 struct cfg80211_connect_params connect = {};
10115 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10116 struct net_device *dev = info->user_ptr[1];
10117 struct wireless_dev *wdev = dev->ieee80211_ptr;
10118 bool fils_sk_offload;
10123 if (!rdev->ops->update_connect_params)
10124 return -EOPNOTSUPP;
10126 if (info->attrs[NL80211_ATTR_IE]) {
10127 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10128 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10129 changed |= UPDATE_ASSOC_IES;
10132 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10133 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10136 * when driver supports fils-sk offload all attributes must be
10137 * provided. So the else covers "fils-sk-not-all" and
10138 * "no-fils-sk-any".
10140 if (fils_sk_offload &&
10141 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10142 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10143 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10144 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10145 connect.fils_erp_username =
10146 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10147 connect.fils_erp_username_len =
10148 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10149 connect.fils_erp_realm =
10150 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10151 connect.fils_erp_realm_len =
10152 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10153 connect.fils_erp_next_seq_num =
10155 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10156 connect.fils_erp_rrk =
10157 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10158 connect.fils_erp_rrk_len =
10159 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10160 changed |= UPDATE_FILS_ERP_INFO;
10161 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10162 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10163 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10164 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10168 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10169 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10170 if (!nl80211_valid_auth_type(rdev, auth_type,
10171 NL80211_CMD_CONNECT))
10174 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
10175 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
10178 connect.auth_type = auth_type;
10179 changed |= UPDATE_AUTH_TYPE;
10182 wdev_lock(dev->ieee80211_ptr);
10183 if (!wdev->current_bss)
10186 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
10187 wdev_unlock(dev->ieee80211_ptr);
10192 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
10194 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10195 struct net_device *dev = info->user_ptr[1];
10199 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10200 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10203 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10204 reason = WLAN_REASON_DEAUTH_LEAVING;
10206 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10211 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10212 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10213 return -EOPNOTSUPP;
10215 wdev_lock(dev->ieee80211_ptr);
10216 ret = cfg80211_disconnect(rdev, dev, reason, true);
10217 wdev_unlock(dev->ieee80211_ptr);
10221 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
10223 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10227 if (info->attrs[NL80211_ATTR_PID]) {
10228 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
10230 net = get_net_ns_by_pid(pid);
10231 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
10232 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
10234 net = get_net_ns_by_fd(fd);
10240 return PTR_ERR(net);
10244 /* check if anything to do */
10245 if (!net_eq(wiphy_net(&rdev->wiphy), net))
10246 err = cfg80211_switch_netns(rdev, net);
10252 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10254 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10255 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10256 struct cfg80211_pmksa *pmksa) = NULL;
10257 struct net_device *dev = info->user_ptr[1];
10258 struct cfg80211_pmksa pmksa;
10260 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10262 if (!info->attrs[NL80211_ATTR_PMKID])
10265 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
10267 if (info->attrs[NL80211_ATTR_MAC]) {
10268 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10269 } else if (info->attrs[NL80211_ATTR_SSID] &&
10270 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10271 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10272 info->attrs[NL80211_ATTR_PMK])) {
10273 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10274 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10276 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10280 if (info->attrs[NL80211_ATTR_PMK]) {
10281 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10282 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10285 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10286 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10287 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10288 wiphy_ext_feature_isset(&rdev->wiphy,
10289 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
10290 return -EOPNOTSUPP;
10292 switch (info->genlhdr->cmd) {
10293 case NL80211_CMD_SET_PMKSA:
10294 rdev_ops = rdev->ops->set_pmksa;
10296 case NL80211_CMD_DEL_PMKSA:
10297 rdev_ops = rdev->ops->del_pmksa;
10305 return -EOPNOTSUPP;
10307 return rdev_ops(&rdev->wiphy, dev, &pmksa);
10310 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10312 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10313 struct net_device *dev = info->user_ptr[1];
10315 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10316 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10317 return -EOPNOTSUPP;
10319 if (!rdev->ops->flush_pmksa)
10320 return -EOPNOTSUPP;
10322 return rdev_flush_pmksa(rdev, dev);
10325 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10327 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10328 struct net_device *dev = info->user_ptr[1];
10329 u8 action_code, dialog_token;
10330 u32 peer_capability = 0;
10335 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10336 !rdev->ops->tdls_mgmt)
10337 return -EOPNOTSUPP;
10339 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10340 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10341 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10342 !info->attrs[NL80211_ATTR_IE] ||
10343 !info->attrs[NL80211_ATTR_MAC])
10346 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10347 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10348 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10349 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
10350 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
10351 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10353 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
10355 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
10356 dialog_token, status_code, peer_capability,
10358 nla_data(info->attrs[NL80211_ATTR_IE]),
10359 nla_len(info->attrs[NL80211_ATTR_IE]));
10362 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10364 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10365 struct net_device *dev = info->user_ptr[1];
10366 enum nl80211_tdls_operation operation;
10369 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10370 !rdev->ops->tdls_oper)
10371 return -EOPNOTSUPP;
10373 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10374 !info->attrs[NL80211_ATTR_MAC])
10377 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10378 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10380 return rdev_tdls_oper(rdev, dev, peer, operation);
10383 static int nl80211_remain_on_channel(struct sk_buff *skb,
10384 struct genl_info *info)
10386 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10387 struct wireless_dev *wdev = info->user_ptr[1];
10388 struct cfg80211_chan_def chandef;
10389 const struct cfg80211_chan_def *compat_chandef;
10390 struct sk_buff *msg;
10396 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10397 !info->attrs[NL80211_ATTR_DURATION])
10400 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10402 if (!rdev->ops->remain_on_channel ||
10403 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
10404 return -EOPNOTSUPP;
10407 * We should be on that channel for at least a minimum amount of
10408 * time (10ms) but no longer than the driver supports.
10410 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10411 duration > rdev->wiphy.max_remain_on_channel_duration)
10414 err = nl80211_parse_chandef(rdev, info, &chandef);
10419 if (!cfg80211_off_channel_oper_allowed(wdev) &&
10420 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
10421 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
10423 if (compat_chandef != &chandef) {
10430 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10434 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10435 NL80211_CMD_REMAIN_ON_CHANNEL);
10441 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
10442 duration, &cookie);
10447 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10449 goto nla_put_failure;
10451 genlmsg_end(msg, hdr);
10453 return genlmsg_reply(msg, info);
10462 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
10463 struct genl_info *info)
10465 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10466 struct wireless_dev *wdev = info->user_ptr[1];
10469 if (!info->attrs[NL80211_ATTR_COOKIE])
10472 if (!rdev->ops->cancel_remain_on_channel)
10473 return -EOPNOTSUPP;
10475 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10477 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
10480 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
10481 struct genl_info *info)
10483 struct cfg80211_bitrate_mask mask;
10484 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10485 struct net_device *dev = info->user_ptr[1];
10488 if (!rdev->ops->set_bitrate_mask)
10489 return -EOPNOTSUPP;
10491 err = nl80211_parse_tx_bitrate_mask(info, &mask);
10495 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
10498 static int nl80211_register_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 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
10504 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
10507 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
10508 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
10510 switch (wdev->iftype) {
10511 case NL80211_IFTYPE_STATION:
10512 case NL80211_IFTYPE_ADHOC:
10513 case NL80211_IFTYPE_P2P_CLIENT:
10514 case NL80211_IFTYPE_AP:
10515 case NL80211_IFTYPE_AP_VLAN:
10516 case NL80211_IFTYPE_MESH_POINT:
10517 case NL80211_IFTYPE_P2P_GO:
10518 case NL80211_IFTYPE_P2P_DEVICE:
10520 case NL80211_IFTYPE_NAN:
10522 return -EOPNOTSUPP;
10525 /* not much point in registering if we can't reply */
10526 if (!rdev->ops->mgmt_tx)
10527 return -EOPNOTSUPP;
10529 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
10530 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10531 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
10534 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
10536 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10537 struct wireless_dev *wdev = info->user_ptr[1];
10538 struct cfg80211_chan_def chandef;
10542 struct sk_buff *msg = NULL;
10543 struct cfg80211_mgmt_tx_params params = {
10544 .dont_wait_for_ack =
10545 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
10548 if (!info->attrs[NL80211_ATTR_FRAME])
10551 if (!rdev->ops->mgmt_tx)
10552 return -EOPNOTSUPP;
10554 switch (wdev->iftype) {
10555 case NL80211_IFTYPE_P2P_DEVICE:
10556 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10558 case NL80211_IFTYPE_STATION:
10559 case NL80211_IFTYPE_ADHOC:
10560 case NL80211_IFTYPE_P2P_CLIENT:
10561 case NL80211_IFTYPE_AP:
10562 case NL80211_IFTYPE_AP_VLAN:
10563 case NL80211_IFTYPE_MESH_POINT:
10564 case NL80211_IFTYPE_P2P_GO:
10566 case NL80211_IFTYPE_NAN:
10568 return -EOPNOTSUPP;
10571 if (info->attrs[NL80211_ATTR_DURATION]) {
10572 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10574 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10577 * We should wait on the channel for at least a minimum amount
10578 * of time (10ms) but no longer than the driver supports.
10580 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10581 params.wait > rdev->wiphy.max_remain_on_channel_duration)
10585 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
10587 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10590 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
10592 /* get the channel if any has been specified, otherwise pass NULL to
10593 * the driver. The latter will use the current one
10595 chandef.chan = NULL;
10596 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10597 err = nl80211_parse_chandef(rdev, info, &chandef);
10602 if (!chandef.chan && params.offchan)
10606 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
10612 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
10613 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
10615 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
10616 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10619 if (len % sizeof(u16))
10622 params.n_csa_offsets = len / sizeof(u16);
10623 params.csa_offsets =
10624 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10626 /* check that all the offsets fit the frame */
10627 for (i = 0; i < params.n_csa_offsets; i++) {
10628 if (params.csa_offsets[i] >= params.len)
10633 if (!params.dont_wait_for_ack) {
10634 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10638 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10639 NL80211_CMD_FRAME);
10646 params.chan = chandef.chan;
10647 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
10652 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10654 goto nla_put_failure;
10656 genlmsg_end(msg, hdr);
10657 return genlmsg_reply(msg, info);
10669 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
10671 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10672 struct wireless_dev *wdev = info->user_ptr[1];
10675 if (!info->attrs[NL80211_ATTR_COOKIE])
10678 if (!rdev->ops->mgmt_tx_cancel_wait)
10679 return -EOPNOTSUPP;
10681 switch (wdev->iftype) {
10682 case NL80211_IFTYPE_STATION:
10683 case NL80211_IFTYPE_ADHOC:
10684 case NL80211_IFTYPE_P2P_CLIENT:
10685 case NL80211_IFTYPE_AP:
10686 case NL80211_IFTYPE_AP_VLAN:
10687 case NL80211_IFTYPE_P2P_GO:
10688 case NL80211_IFTYPE_P2P_DEVICE:
10690 case NL80211_IFTYPE_NAN:
10692 return -EOPNOTSUPP;
10695 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10697 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
10700 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
10702 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10703 struct wireless_dev *wdev;
10704 struct net_device *dev = info->user_ptr[1];
10709 if (!info->attrs[NL80211_ATTR_PS_STATE])
10712 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
10714 wdev = dev->ieee80211_ptr;
10716 if (!rdev->ops->set_power_mgmt)
10717 return -EOPNOTSUPP;
10719 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
10721 if (state == wdev->ps)
10724 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
10730 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
10732 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10733 enum nl80211_ps_state ps_state;
10734 struct wireless_dev *wdev;
10735 struct net_device *dev = info->user_ptr[1];
10736 struct sk_buff *msg;
10740 wdev = dev->ieee80211_ptr;
10742 if (!rdev->ops->set_power_mgmt)
10743 return -EOPNOTSUPP;
10745 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10749 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10750 NL80211_CMD_GET_POWER_SAVE);
10757 ps_state = NL80211_PS_ENABLED;
10759 ps_state = NL80211_PS_DISABLED;
10761 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
10762 goto nla_put_failure;
10764 genlmsg_end(msg, hdr);
10765 return genlmsg_reply(msg, info);
10774 static const struct nla_policy
10775 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
10776 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
10777 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
10778 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
10779 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
10780 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
10781 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
10782 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
10785 static int nl80211_set_cqm_txe(struct genl_info *info,
10786 u32 rate, u32 pkts, u32 intvl)
10788 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10789 struct net_device *dev = info->user_ptr[1];
10790 struct wireless_dev *wdev = dev->ieee80211_ptr;
10792 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
10795 if (!rdev->ops->set_cqm_txe_config)
10796 return -EOPNOTSUPP;
10798 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10799 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10800 return -EOPNOTSUPP;
10802 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
10805 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
10806 struct net_device *dev)
10808 struct wireless_dev *wdev = dev->ieee80211_ptr;
10809 s32 last, low, high;
10811 int i, n, low_index;
10814 /* RSSI reporting disabled? */
10815 if (!wdev->cqm_config)
10816 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
10819 * Obtain current RSSI value if possible, if not and no RSSI threshold
10820 * event has been received yet, we should receive an event after a
10821 * connection is established and enough beacons received to calculate
10824 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
10825 rdev->ops->get_station) {
10826 struct station_info sinfo = {};
10829 mac_addr = wdev->current_bss->pub.bssid;
10831 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
10835 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
10836 wdev->cqm_config->last_rssi_event_value =
10837 (s8) sinfo.rx_beacon_signal_avg;
10840 last = wdev->cqm_config->last_rssi_event_value;
10841 hyst = wdev->cqm_config->rssi_hyst;
10842 n = wdev->cqm_config->n_rssi_thresholds;
10844 for (i = 0; i < n; i++) {
10845 i = array_index_nospec(i, n);
10846 if (last < wdev->cqm_config->rssi_thresholds[i])
10851 if (low_index >= 0) {
10852 low_index = array_index_nospec(low_index, n);
10853 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
10858 i = array_index_nospec(i, n);
10859 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
10864 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
10867 static int nl80211_set_cqm_rssi(struct genl_info *info,
10868 const s32 *thresholds, int n_thresholds,
10871 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10872 struct net_device *dev = info->user_ptr[1];
10873 struct wireless_dev *wdev = dev->ieee80211_ptr;
10875 s32 prev = S32_MIN;
10877 /* Check all values negative and sorted */
10878 for (i = 0; i < n_thresholds; i++) {
10879 if (thresholds[i] > 0 || thresholds[i] <= prev)
10882 prev = thresholds[i];
10885 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10886 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10887 return -EOPNOTSUPP;
10890 cfg80211_cqm_config_free(wdev);
10893 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
10894 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
10895 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
10897 return rdev_set_cqm_rssi_config(rdev, dev,
10898 thresholds[0], hysteresis);
10901 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10902 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
10903 return -EOPNOTSUPP;
10905 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
10909 if (n_thresholds) {
10910 struct cfg80211_cqm_config *cqm_config;
10912 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
10913 n_thresholds * sizeof(s32), GFP_KERNEL);
10919 cqm_config->rssi_hyst = hysteresis;
10920 cqm_config->n_rssi_thresholds = n_thresholds;
10921 memcpy(cqm_config->rssi_thresholds, thresholds,
10922 n_thresholds * sizeof(s32));
10924 wdev->cqm_config = cqm_config;
10927 err = cfg80211_cqm_rssi_update(rdev, dev);
10935 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
10937 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
10938 struct nlattr *cqm;
10941 cqm = info->attrs[NL80211_ATTR_CQM];
10945 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
10946 nl80211_attr_cqm_policy,
10951 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
10952 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
10953 const s32 *thresholds =
10954 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10955 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10956 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
10961 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
10965 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
10966 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
10967 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
10968 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
10969 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
10970 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
10972 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
10978 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
10980 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10981 struct net_device *dev = info->user_ptr[1];
10982 struct ocb_setup setup = {};
10985 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10989 return cfg80211_join_ocb(rdev, dev, &setup);
10992 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
10994 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10995 struct net_device *dev = info->user_ptr[1];
10997 return cfg80211_leave_ocb(rdev, dev);
11000 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11002 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11003 struct net_device *dev = info->user_ptr[1];
11004 struct mesh_config cfg;
11005 struct mesh_setup setup;
11008 /* start with default */
11009 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
11010 memcpy(&setup, &default_mesh_setup, sizeof(setup));
11012 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
11013 /* and parse parameters if given */
11014 err = nl80211_parse_mesh_config(info, &cfg, NULL);
11019 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11020 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11023 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11024 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11026 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11027 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11028 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11031 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11032 setup.beacon_interval =
11033 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11035 err = cfg80211_validate_beacon_int(rdev,
11036 NL80211_IFTYPE_MESH_POINT,
11037 setup.beacon_interval);
11042 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11043 setup.dtim_period =
11044 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11045 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11049 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11050 /* parse additional setup parameters if given */
11051 err = nl80211_parse_mesh_setup(info, &setup);
11056 if (setup.user_mpm)
11057 cfg.auto_open_plinks = false;
11059 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11060 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11064 /* __cfg80211_join_mesh() will sort it out */
11065 setup.chandef.chan = NULL;
11068 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11069 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11071 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11072 struct ieee80211_supported_band *sband;
11074 if (!setup.chandef.chan)
11077 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11079 err = ieee80211_get_ratemask(sband, rates, n_rates,
11080 &setup.basic_rates);
11085 if (info->attrs[NL80211_ATTR_TX_RATES]) {
11086 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
11090 if (!setup.chandef.chan)
11093 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11094 &setup.beacon_rate);
11099 setup.userspace_handles_dfs =
11100 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11102 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11103 int r = validate_pae_over_nl80211(rdev, info);
11108 setup.control_port_over_nl80211 = true;
11111 wdev_lock(dev->ieee80211_ptr);
11112 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11113 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11114 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11115 wdev_unlock(dev->ieee80211_ptr);
11120 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11122 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11123 struct net_device *dev = info->user_ptr[1];
11125 return cfg80211_leave_mesh(rdev, dev);
11129 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11130 struct cfg80211_registered_device *rdev)
11132 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
11133 struct nlattr *nl_pats, *nl_pat;
11136 if (!wowlan->n_patterns)
11139 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
11143 for (i = 0; i < wowlan->n_patterns; i++) {
11144 nl_pat = nla_nest_start_noflag(msg, i + 1);
11147 pat_len = wowlan->patterns[i].pattern_len;
11148 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
11149 wowlan->patterns[i].mask) ||
11150 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11151 wowlan->patterns[i].pattern) ||
11152 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11153 wowlan->patterns[i].pkt_offset))
11155 nla_nest_end(msg, nl_pat);
11157 nla_nest_end(msg, nl_pats);
11162 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
11163 struct cfg80211_wowlan_tcp *tcp)
11165 struct nlattr *nl_tcp;
11170 nl_tcp = nla_nest_start_noflag(msg,
11171 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
11175 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
11176 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
11177 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
11178 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
11179 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
11180 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
11181 tcp->payload_len, tcp->payload) ||
11182 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
11183 tcp->data_interval) ||
11184 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
11185 tcp->wake_len, tcp->wake_data) ||
11186 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
11187 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
11190 if (tcp->payload_seq.len &&
11191 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
11192 sizeof(tcp->payload_seq), &tcp->payload_seq))
11195 if (tcp->payload_tok.len &&
11196 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
11197 sizeof(tcp->payload_tok) + tcp->tokens_size,
11198 &tcp->payload_tok))
11201 nla_nest_end(msg, nl_tcp);
11206 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
11207 struct cfg80211_sched_scan_request *req)
11209 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
11215 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
11219 if (req->n_scan_plans == 1 &&
11220 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
11221 req->scan_plans[0].interval * 1000))
11224 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
11227 if (req->relative_rssi_set) {
11228 struct nl80211_bss_select_rssi_adjust rssi_adjust;
11230 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
11231 req->relative_rssi))
11234 rssi_adjust.band = req->rssi_adjust.band;
11235 rssi_adjust.delta = req->rssi_adjust.delta;
11236 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
11237 sizeof(rssi_adjust), &rssi_adjust))
11241 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
11245 for (i = 0; i < req->n_channels; i++) {
11246 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
11250 nla_nest_end(msg, freqs);
11252 if (req->n_match_sets) {
11253 matches = nla_nest_start_noflag(msg,
11254 NL80211_ATTR_SCHED_SCAN_MATCH);
11258 for (i = 0; i < req->n_match_sets; i++) {
11259 match = nla_nest_start_noflag(msg, i);
11263 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11264 req->match_sets[i].ssid.ssid_len,
11265 req->match_sets[i].ssid.ssid))
11267 nla_nest_end(msg, match);
11269 nla_nest_end(msg, matches);
11272 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
11276 for (i = 0; i < req->n_scan_plans; i++) {
11277 scan_plan = nla_nest_start_noflag(msg, i + 1);
11281 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
11282 req->scan_plans[i].interval) ||
11283 (req->scan_plans[i].iterations &&
11284 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11285 req->scan_plans[i].iterations)))
11287 nla_nest_end(msg, scan_plan);
11289 nla_nest_end(msg, scan_plans);
11291 nla_nest_end(msg, nd);
11296 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11298 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11299 struct sk_buff *msg;
11301 u32 size = NLMSG_DEFAULT_SIZE;
11303 if (!rdev->wiphy.wowlan)
11304 return -EOPNOTSUPP;
11306 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
11307 /* adjust size to have room for all the data */
11308 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11309 rdev->wiphy.wowlan_config->tcp->payload_len +
11310 rdev->wiphy.wowlan_config->tcp->wake_len +
11311 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
11314 msg = nlmsg_new(size, GFP_KERNEL);
11318 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11319 NL80211_CMD_GET_WOWLAN);
11321 goto nla_put_failure;
11323 if (rdev->wiphy.wowlan_config) {
11324 struct nlattr *nl_wowlan;
11326 nl_wowlan = nla_nest_start_noflag(msg,
11327 NL80211_ATTR_WOWLAN_TRIGGERS);
11329 goto nla_put_failure;
11331 if ((rdev->wiphy.wowlan_config->any &&
11332 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
11333 (rdev->wiphy.wowlan_config->disconnect &&
11334 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
11335 (rdev->wiphy.wowlan_config->magic_pkt &&
11336 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
11337 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
11338 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
11339 (rdev->wiphy.wowlan_config->eap_identity_req &&
11340 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
11341 (rdev->wiphy.wowlan_config->four_way_handshake &&
11342 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
11343 (rdev->wiphy.wowlan_config->rfkill_release &&
11344 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11345 goto nla_put_failure;
11347 if (nl80211_send_wowlan_patterns(msg, rdev))
11348 goto nla_put_failure;
11350 if (nl80211_send_wowlan_tcp(msg,
11351 rdev->wiphy.wowlan_config->tcp))
11352 goto nla_put_failure;
11354 if (nl80211_send_wowlan_nd(
11356 rdev->wiphy.wowlan_config->nd_config))
11357 goto nla_put_failure;
11359 nla_nest_end(msg, nl_wowlan);
11362 genlmsg_end(msg, hdr);
11363 return genlmsg_reply(msg, info);
11370 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
11371 struct nlattr *attr,
11372 struct cfg80211_wowlan *trig)
11374 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
11375 struct cfg80211_wowlan_tcp *cfg;
11376 struct nl80211_wowlan_tcp_data_token *tok = NULL;
11377 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
11379 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
11382 if (!rdev->wiphy.wowlan->tcp)
11385 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
11386 nl80211_wowlan_tcp_policy, NULL);
11390 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
11391 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
11392 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
11393 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
11394 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
11395 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
11396 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
11397 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
11400 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
11401 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
11404 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
11405 rdev->wiphy.wowlan->tcp->data_interval_max ||
11406 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
11409 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
11410 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
11413 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
11414 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
11417 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
11418 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11420 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11421 tokens_size = tokln - sizeof(*tok);
11423 if (!tok->len || tokens_size % tok->len)
11425 if (!rdev->wiphy.wowlan->tcp->tok)
11427 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
11429 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
11431 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
11433 if (tok->offset + tok->len > data_size)
11437 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
11438 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
11439 if (!rdev->wiphy.wowlan->tcp->seq)
11441 if (seq->len == 0 || seq->len > 4)
11443 if (seq->len + seq->offset > data_size)
11447 size = sizeof(*cfg);
11449 size += wake_size + wake_mask_size;
11450 size += tokens_size;
11452 cfg = kzalloc(size, GFP_KERNEL);
11455 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
11456 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
11457 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
11459 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
11460 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
11464 /* allocate a socket and port for it and use it */
11465 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
11466 IPPROTO_TCP, &cfg->sock, 1);
11471 if (inet_csk_get_port(cfg->sock->sk, port)) {
11472 sock_release(cfg->sock);
11474 return -EADDRINUSE;
11476 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
11482 cfg->src_port = port;
11485 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
11486 cfg->payload_len = data_size;
11487 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
11488 memcpy((void *)cfg->payload,
11489 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
11492 cfg->payload_seq = *seq;
11493 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
11494 cfg->wake_len = wake_size;
11495 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
11496 memcpy((void *)cfg->wake_data,
11497 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
11499 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
11500 data_size + wake_size;
11501 memcpy((void *)cfg->wake_mask,
11502 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
11505 cfg->tokens_size = tokens_size;
11506 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
11514 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
11515 const struct wiphy_wowlan_support *wowlan,
11516 struct nlattr *attr,
11517 struct cfg80211_wowlan *trig)
11519 struct nlattr **tb;
11522 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
11526 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
11531 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
11532 nl80211_policy, NULL);
11536 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
11537 wowlan->max_nd_match_sets);
11538 err = PTR_ERR_OR_ZERO(trig->nd_config);
11540 trig->nd_config = NULL;
11547 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
11549 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11550 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
11551 struct cfg80211_wowlan new_triggers = {};
11552 struct cfg80211_wowlan *ntrig;
11553 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
11555 bool prev_enabled = rdev->wiphy.wowlan_config;
11556 bool regular = false;
11559 return -EOPNOTSUPP;
11561 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
11562 cfg80211_rdev_free_wowlan(rdev);
11563 rdev->wiphy.wowlan_config = NULL;
11567 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
11568 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
11569 nl80211_wowlan_policy, info->extack);
11573 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
11574 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
11576 new_triggers.any = true;
11579 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
11580 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
11582 new_triggers.disconnect = true;
11586 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
11587 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
11589 new_triggers.magic_pkt = true;
11593 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
11596 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
11597 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
11599 new_triggers.gtk_rekey_failure = true;
11603 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
11604 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
11606 new_triggers.eap_identity_req = true;
11610 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
11611 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
11613 new_triggers.four_way_handshake = true;
11617 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
11618 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
11620 new_triggers.rfkill_release = true;
11624 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
11625 struct nlattr *pat;
11626 int n_patterns = 0;
11627 int rem, pat_len, mask_len, pkt_offset;
11628 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11632 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11635 if (n_patterns > wowlan->n_patterns)
11638 new_triggers.patterns = kcalloc(n_patterns,
11639 sizeof(new_triggers.patterns[0]),
11641 if (!new_triggers.patterns)
11644 new_triggers.n_patterns = n_patterns;
11647 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11651 err = nla_parse_nested_deprecated(pat_tb,
11652 MAX_NL80211_PKTPAT,
11654 nl80211_packet_pattern_policy,
11660 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11661 !pat_tb[NL80211_PKTPAT_PATTERN])
11663 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11664 mask_len = DIV_ROUND_UP(pat_len, 8);
11665 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11667 if (pat_len > wowlan->pattern_max_len ||
11668 pat_len < wowlan->pattern_min_len)
11671 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11674 pkt_offset = nla_get_u32(
11675 pat_tb[NL80211_PKTPAT_OFFSET]);
11676 if (pkt_offset > wowlan->max_pkt_offset)
11678 new_triggers.patterns[i].pkt_offset = pkt_offset;
11680 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11685 new_triggers.patterns[i].mask = mask_pat;
11686 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11688 mask_pat += mask_len;
11689 new_triggers.patterns[i].pattern = mask_pat;
11690 new_triggers.patterns[i].pattern_len = pat_len;
11692 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11698 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
11700 err = nl80211_parse_wowlan_tcp(
11701 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
11707 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
11709 err = nl80211_parse_wowlan_nd(
11710 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
11716 /* The 'any' trigger means the device continues operating more or less
11717 * as in its normal operation mode and wakes up the host on most of the
11718 * normal interrupts (like packet RX, ...)
11719 * It therefore makes little sense to combine with the more constrained
11720 * wakeup trigger modes.
11722 if (new_triggers.any && regular) {
11727 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
11732 cfg80211_rdev_free_wowlan(rdev);
11733 rdev->wiphy.wowlan_config = ntrig;
11736 if (rdev->ops->set_wakeup &&
11737 prev_enabled != !!rdev->wiphy.wowlan_config)
11738 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
11742 for (i = 0; i < new_triggers.n_patterns; i++)
11743 kfree(new_triggers.patterns[i].mask);
11744 kfree(new_triggers.patterns);
11745 if (new_triggers.tcp && new_triggers.tcp->sock)
11746 sock_release(new_triggers.tcp->sock);
11747 kfree(new_triggers.tcp);
11748 kfree(new_triggers.nd_config);
11753 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
11754 struct cfg80211_registered_device *rdev)
11756 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
11758 struct cfg80211_coalesce_rules *rule;
11760 if (!rdev->coalesce->n_rules)
11763 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
11767 for (i = 0; i < rdev->coalesce->n_rules; i++) {
11768 nl_rule = nla_nest_start_noflag(msg, i + 1);
11772 rule = &rdev->coalesce->rules[i];
11773 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
11777 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
11781 nl_pats = nla_nest_start_noflag(msg,
11782 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
11786 for (j = 0; j < rule->n_patterns; j++) {
11787 nl_pat = nla_nest_start_noflag(msg, j + 1);
11790 pat_len = rule->patterns[j].pattern_len;
11791 if (nla_put(msg, NL80211_PKTPAT_MASK,
11792 DIV_ROUND_UP(pat_len, 8),
11793 rule->patterns[j].mask) ||
11794 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11795 rule->patterns[j].pattern) ||
11796 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11797 rule->patterns[j].pkt_offset))
11799 nla_nest_end(msg, nl_pat);
11801 nla_nest_end(msg, nl_pats);
11802 nla_nest_end(msg, nl_rule);
11804 nla_nest_end(msg, nl_rules);
11809 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
11811 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11812 struct sk_buff *msg;
11815 if (!rdev->wiphy.coalesce)
11816 return -EOPNOTSUPP;
11818 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11822 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11823 NL80211_CMD_GET_COALESCE);
11825 goto nla_put_failure;
11827 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
11828 goto nla_put_failure;
11830 genlmsg_end(msg, hdr);
11831 return genlmsg_reply(msg, info);
11838 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
11840 struct cfg80211_coalesce *coalesce = rdev->coalesce;
11842 struct cfg80211_coalesce_rules *rule;
11847 for (i = 0; i < coalesce->n_rules; i++) {
11848 rule = &coalesce->rules[i];
11849 for (j = 0; j < rule->n_patterns; j++)
11850 kfree(rule->patterns[j].mask);
11851 kfree(rule->patterns);
11853 kfree(coalesce->rules);
11855 rdev->coalesce = NULL;
11858 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
11859 struct nlattr *rule,
11860 struct cfg80211_coalesce_rules *new_rule)
11863 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11864 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
11865 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
11866 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11868 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
11869 rule, nl80211_coalesce_policy, NULL);
11873 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
11875 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
11876 if (new_rule->delay > coalesce->max_delay)
11879 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
11880 new_rule->condition =
11881 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
11883 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
11886 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11889 if (n_patterns > coalesce->n_patterns)
11892 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
11894 if (!new_rule->patterns)
11897 new_rule->n_patterns = n_patterns;
11900 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11904 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
11906 nl80211_packet_pattern_policy,
11911 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11912 !pat_tb[NL80211_PKTPAT_PATTERN])
11914 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11915 mask_len = DIV_ROUND_UP(pat_len, 8);
11916 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11918 if (pat_len > coalesce->pattern_max_len ||
11919 pat_len < coalesce->pattern_min_len)
11922 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11925 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
11926 if (pkt_offset > coalesce->max_pkt_offset)
11928 new_rule->patterns[i].pkt_offset = pkt_offset;
11930 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11934 new_rule->patterns[i].mask = mask_pat;
11935 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11938 mask_pat += mask_len;
11939 new_rule->patterns[i].pattern = mask_pat;
11940 new_rule->patterns[i].pattern_len = pat_len;
11941 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11949 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
11951 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11952 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11953 struct cfg80211_coalesce new_coalesce = {};
11954 struct cfg80211_coalesce *n_coalesce;
11955 int err, rem_rule, n_rules = 0, i, j;
11956 struct nlattr *rule;
11957 struct cfg80211_coalesce_rules *tmp_rule;
11959 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
11960 return -EOPNOTSUPP;
11962 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
11963 cfg80211_rdev_free_coalesce(rdev);
11964 rdev_set_coalesce(rdev, NULL);
11968 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11971 if (n_rules > coalesce->n_rules)
11974 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
11976 if (!new_coalesce.rules)
11979 new_coalesce.n_rules = n_rules;
11982 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11984 err = nl80211_parse_coalesce_rule(rdev, rule,
11985 &new_coalesce.rules[i]);
11992 err = rdev_set_coalesce(rdev, &new_coalesce);
11996 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12001 cfg80211_rdev_free_coalesce(rdev);
12002 rdev->coalesce = n_coalesce;
12006 for (i = 0; i < new_coalesce.n_rules; i++) {
12007 tmp_rule = &new_coalesce.rules[i];
12008 for (j = 0; j < tmp_rule->n_patterns; j++)
12009 kfree(tmp_rule->patterns[j].mask);
12010 kfree(tmp_rule->patterns);
12012 kfree(new_coalesce.rules);
12017 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12019 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12020 struct net_device *dev = info->user_ptr[1];
12021 struct wireless_dev *wdev = dev->ieee80211_ptr;
12022 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
12023 struct cfg80211_gtk_rekey_data rekey_data;
12026 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12029 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12030 info->attrs[NL80211_ATTR_REKEY_DATA],
12031 nl80211_rekey_policy, info->extack);
12035 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12036 !tb[NL80211_REKEY_DATA_KCK])
12038 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
12040 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
12042 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
12045 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12046 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12047 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
12050 if (!wdev->current_bss) {
12055 if (!rdev->ops->set_rekey_data) {
12060 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
12066 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12067 struct genl_info *info)
12069 struct net_device *dev = info->user_ptr[1];
12070 struct wireless_dev *wdev = dev->ieee80211_ptr;
12072 if (wdev->iftype != NL80211_IFTYPE_AP &&
12073 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12076 if (wdev->ap_unexpected_nlportid)
12079 wdev->ap_unexpected_nlportid = info->snd_portid;
12083 static int nl80211_probe_client(struct sk_buff *skb,
12084 struct genl_info *info)
12086 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12087 struct net_device *dev = info->user_ptr[1];
12088 struct wireless_dev *wdev = dev->ieee80211_ptr;
12089 struct sk_buff *msg;
12095 if (wdev->iftype != NL80211_IFTYPE_AP &&
12096 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12097 return -EOPNOTSUPP;
12099 if (!info->attrs[NL80211_ATTR_MAC])
12102 if (!rdev->ops->probe_client)
12103 return -EOPNOTSUPP;
12105 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12109 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12110 NL80211_CMD_PROBE_CLIENT);
12116 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12118 err = rdev_probe_client(rdev, dev, addr, &cookie);
12122 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12124 goto nla_put_failure;
12126 genlmsg_end(msg, hdr);
12128 return genlmsg_reply(msg, info);
12137 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
12139 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12140 struct cfg80211_beacon_registration *reg, *nreg;
12143 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
12144 return -EOPNOTSUPP;
12146 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
12150 /* First, check if already registered. */
12151 spin_lock_bh(&rdev->beacon_registrations_lock);
12152 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
12153 if (reg->nlportid == info->snd_portid) {
12158 /* Add it to the list */
12159 nreg->nlportid = info->snd_portid;
12160 list_add(&nreg->list, &rdev->beacon_registrations);
12162 spin_unlock_bh(&rdev->beacon_registrations_lock);
12166 spin_unlock_bh(&rdev->beacon_registrations_lock);
12171 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
12173 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12174 struct wireless_dev *wdev = info->user_ptr[1];
12177 if (!rdev->ops->start_p2p_device)
12178 return -EOPNOTSUPP;
12180 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12181 return -EOPNOTSUPP;
12183 if (wdev_running(wdev))
12186 if (rfkill_blocked(rdev->rfkill))
12189 err = rdev_start_p2p_device(rdev, wdev);
12193 wdev->is_running = true;
12199 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
12201 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12202 struct wireless_dev *wdev = info->user_ptr[1];
12204 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12205 return -EOPNOTSUPP;
12207 if (!rdev->ops->stop_p2p_device)
12208 return -EOPNOTSUPP;
12210 cfg80211_stop_p2p_device(rdev, wdev);
12215 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
12217 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12218 struct wireless_dev *wdev = info->user_ptr[1];
12219 struct cfg80211_nan_conf conf = {};
12222 if (wdev->iftype != NL80211_IFTYPE_NAN)
12223 return -EOPNOTSUPP;
12225 if (wdev_running(wdev))
12228 if (rfkill_blocked(rdev->rfkill))
12231 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
12235 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12237 if (info->attrs[NL80211_ATTR_BANDS]) {
12238 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12240 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12241 return -EOPNOTSUPP;
12243 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12246 conf.bands = bands;
12249 err = rdev_start_nan(rdev, wdev, &conf);
12253 wdev->is_running = true;
12259 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12261 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12262 struct wireless_dev *wdev = info->user_ptr[1];
12264 if (wdev->iftype != NL80211_IFTYPE_NAN)
12265 return -EOPNOTSUPP;
12267 cfg80211_stop_nan(rdev, wdev);
12272 static int validate_nan_filter(struct nlattr *filter_attr)
12274 struct nlattr *attr;
12275 int len = 0, n_entries = 0, rem;
12277 nla_for_each_nested(attr, filter_attr, rem) {
12278 len += nla_len(attr);
12288 static int handle_nan_filter(struct nlattr *attr_filter,
12289 struct cfg80211_nan_func *func,
12292 struct nlattr *attr;
12293 int n_entries, rem, i;
12294 struct cfg80211_nan_func_filter *filter;
12296 n_entries = validate_nan_filter(attr_filter);
12300 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12302 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12307 nla_for_each_nested(attr, attr_filter, rem) {
12308 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
12309 filter[i].len = nla_len(attr);
12313 func->num_tx_filters = n_entries;
12314 func->tx_filters = filter;
12316 func->num_rx_filters = n_entries;
12317 func->rx_filters = filter;
12323 static int nl80211_nan_add_func(struct sk_buff *skb,
12324 struct genl_info *info)
12326 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12327 struct wireless_dev *wdev = info->user_ptr[1];
12328 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12329 struct cfg80211_nan_func *func;
12330 struct sk_buff *msg = NULL;
12334 if (wdev->iftype != NL80211_IFTYPE_NAN)
12335 return -EOPNOTSUPP;
12337 if (!wdev_running(wdev))
12340 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
12343 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
12344 info->attrs[NL80211_ATTR_NAN_FUNC],
12345 nl80211_nan_func_policy,
12350 func = kzalloc(sizeof(*func), GFP_KERNEL);
12354 func->cookie = cfg80211_assign_cookie(rdev);
12356 if (!tb[NL80211_NAN_FUNC_TYPE] ||
12357 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
12363 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
12365 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
12370 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
12371 sizeof(func->service_id));
12373 func->close_range =
12374 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
12376 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
12377 func->serv_spec_info_len =
12378 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
12379 func->serv_spec_info =
12380 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
12381 func->serv_spec_info_len,
12383 if (!func->serv_spec_info) {
12389 if (tb[NL80211_NAN_FUNC_TTL])
12390 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
12392 switch (func->type) {
12393 case NL80211_NAN_FUNC_PUBLISH:
12394 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
12399 func->publish_type =
12400 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
12401 func->publish_bcast =
12402 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
12404 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
12405 func->publish_bcast) {
12410 case NL80211_NAN_FUNC_SUBSCRIBE:
12411 func->subscribe_active =
12412 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
12414 case NL80211_NAN_FUNC_FOLLOW_UP:
12415 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
12416 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
12417 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
12422 func->followup_id =
12423 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
12424 func->followup_reqid =
12425 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
12426 memcpy(func->followup_dest.addr,
12427 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
12428 sizeof(func->followup_dest.addr));
12439 if (tb[NL80211_NAN_FUNC_SRF]) {
12440 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
12442 err = nla_parse_nested_deprecated(srf_tb,
12443 NL80211_NAN_SRF_ATTR_MAX,
12444 tb[NL80211_NAN_FUNC_SRF],
12445 nl80211_nan_srf_policy,
12450 func->srf_include =
12451 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
12453 if (srf_tb[NL80211_NAN_SRF_BF]) {
12454 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
12455 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
12461 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
12463 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
12464 func->srf_bf_len, GFP_KERNEL);
12465 if (!func->srf_bf) {
12471 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
12473 struct nlattr *attr, *mac_attr =
12474 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
12475 int n_entries, rem, i = 0;
12482 n_entries = validate_acl_mac_addrs(mac_attr);
12483 if (n_entries <= 0) {
12488 func->srf_num_macs = n_entries;
12490 kcalloc(n_entries, sizeof(*func->srf_macs),
12492 if (!func->srf_macs) {
12497 nla_for_each_nested(attr, mac_attr, rem)
12498 memcpy(func->srf_macs[i++].addr, nla_data(attr),
12499 sizeof(*func->srf_macs));
12503 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
12504 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
12510 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
12511 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
12517 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12523 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12524 NL80211_CMD_ADD_NAN_FUNCTION);
12525 /* This can't really happen - we just allocated 4KB */
12526 if (WARN_ON(!hdr)) {
12531 err = rdev_add_nan_func(rdev, wdev, func);
12534 cfg80211_free_nan_func(func);
12539 /* propagate the instance id and cookie to userspace */
12540 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
12542 goto nla_put_failure;
12544 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12546 goto nla_put_failure;
12548 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
12549 func->instance_id))
12550 goto nla_put_failure;
12552 nla_nest_end(msg, func_attr);
12554 genlmsg_end(msg, hdr);
12555 return genlmsg_reply(msg, info);
12562 static int nl80211_nan_del_func(struct sk_buff *skb,
12563 struct genl_info *info)
12565 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12566 struct wireless_dev *wdev = info->user_ptr[1];
12569 if (wdev->iftype != NL80211_IFTYPE_NAN)
12570 return -EOPNOTSUPP;
12572 if (!wdev_running(wdev))
12575 if (!info->attrs[NL80211_ATTR_COOKIE])
12578 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12580 rdev_del_nan_func(rdev, wdev, cookie);
12585 static int nl80211_nan_change_config(struct sk_buff *skb,
12586 struct genl_info *info)
12588 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12589 struct wireless_dev *wdev = info->user_ptr[1];
12590 struct cfg80211_nan_conf conf = {};
12593 if (wdev->iftype != NL80211_IFTYPE_NAN)
12594 return -EOPNOTSUPP;
12596 if (!wdev_running(wdev))
12599 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
12601 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12602 if (conf.master_pref <= 1 || conf.master_pref == 255)
12605 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
12608 if (info->attrs[NL80211_ATTR_BANDS]) {
12609 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12611 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12612 return -EOPNOTSUPP;
12614 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12617 conf.bands = bands;
12618 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
12624 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
12627 void cfg80211_nan_match(struct wireless_dev *wdev,
12628 struct cfg80211_nan_match_params *match, gfp_t gfp)
12630 struct wiphy *wiphy = wdev->wiphy;
12631 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12632 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
12633 struct sk_buff *msg;
12636 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
12639 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12643 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
12649 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12650 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12651 wdev->netdev->ifindex)) ||
12652 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12654 goto nla_put_failure;
12656 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
12657 NL80211_ATTR_PAD) ||
12658 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
12659 goto nla_put_failure;
12661 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
12663 goto nla_put_failure;
12665 local_func_attr = nla_nest_start_noflag(msg,
12666 NL80211_NAN_MATCH_FUNC_LOCAL);
12667 if (!local_func_attr)
12668 goto nla_put_failure;
12670 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
12671 goto nla_put_failure;
12673 nla_nest_end(msg, local_func_attr);
12675 peer_func_attr = nla_nest_start_noflag(msg,
12676 NL80211_NAN_MATCH_FUNC_PEER);
12677 if (!peer_func_attr)
12678 goto nla_put_failure;
12680 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
12681 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
12682 goto nla_put_failure;
12684 if (match->info && match->info_len &&
12685 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
12687 goto nla_put_failure;
12689 nla_nest_end(msg, peer_func_attr);
12690 nla_nest_end(msg, match_attr);
12691 genlmsg_end(msg, hdr);
12693 if (!wdev->owner_nlportid)
12694 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12695 msg, 0, NL80211_MCGRP_NAN, gfp);
12697 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12698 wdev->owner_nlportid);
12705 EXPORT_SYMBOL(cfg80211_nan_match);
12707 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
12709 enum nl80211_nan_func_term_reason reason,
12710 u64 cookie, gfp_t gfp)
12712 struct wiphy *wiphy = wdev->wiphy;
12713 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12714 struct sk_buff *msg;
12715 struct nlattr *func_attr;
12718 if (WARN_ON(!inst_id))
12721 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12725 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
12731 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12732 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12733 wdev->netdev->ifindex)) ||
12734 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12736 goto nla_put_failure;
12738 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12740 goto nla_put_failure;
12742 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12744 goto nla_put_failure;
12746 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
12747 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
12748 goto nla_put_failure;
12750 nla_nest_end(msg, func_attr);
12751 genlmsg_end(msg, hdr);
12753 if (!wdev->owner_nlportid)
12754 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12755 msg, 0, NL80211_MCGRP_NAN, gfp);
12757 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12758 wdev->owner_nlportid);
12765 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
12767 static int nl80211_get_protocol_features(struct sk_buff *skb,
12768 struct genl_info *info)
12771 struct sk_buff *msg;
12773 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12777 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12778 NL80211_CMD_GET_PROTOCOL_FEATURES);
12780 goto nla_put_failure;
12782 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
12783 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
12784 goto nla_put_failure;
12786 genlmsg_end(msg, hdr);
12787 return genlmsg_reply(msg, info);
12794 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
12796 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12797 struct cfg80211_update_ft_ies_params ft_params;
12798 struct net_device *dev = info->user_ptr[1];
12800 if (!rdev->ops->update_ft_ies)
12801 return -EOPNOTSUPP;
12803 if (!info->attrs[NL80211_ATTR_MDID] ||
12804 !info->attrs[NL80211_ATTR_IE])
12807 memset(&ft_params, 0, sizeof(ft_params));
12808 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
12809 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12810 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12812 return rdev_update_ft_ies(rdev, dev, &ft_params);
12815 static int nl80211_crit_protocol_start(struct sk_buff *skb,
12816 struct genl_info *info)
12818 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12819 struct wireless_dev *wdev = info->user_ptr[1];
12820 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
12824 if (!rdev->ops->crit_proto_start)
12825 return -EOPNOTSUPP;
12827 if (WARN_ON(!rdev->ops->crit_proto_stop))
12830 if (rdev->crit_proto_nlportid)
12833 /* determine protocol if provided */
12834 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
12835 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
12837 if (proto >= NUM_NL80211_CRIT_PROTO)
12840 /* timeout must be provided */
12841 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
12845 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
12847 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
12850 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
12852 rdev->crit_proto_nlportid = info->snd_portid;
12857 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
12858 struct genl_info *info)
12860 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12861 struct wireless_dev *wdev = info->user_ptr[1];
12863 if (!rdev->ops->crit_proto_stop)
12864 return -EOPNOTSUPP;
12866 if (rdev->crit_proto_nlportid) {
12867 rdev->crit_proto_nlportid = 0;
12868 rdev_crit_proto_stop(rdev, wdev);
12873 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
12874 struct nlattr *attr,
12875 struct netlink_ext_ack *extack)
12877 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
12878 if (attr->nla_type & NLA_F_NESTED) {
12879 NL_SET_ERR_MSG_ATTR(extack, attr,
12880 "unexpected nested data");
12887 if (!(attr->nla_type & NLA_F_NESTED)) {
12888 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
12892 return nl80211_validate_nested(attr, vcmd->maxattr, vcmd->policy,
12896 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
12898 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12899 struct wireless_dev *wdev =
12900 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
12904 if (!rdev->wiphy.vendor_commands)
12905 return -EOPNOTSUPP;
12907 if (IS_ERR(wdev)) {
12908 err = PTR_ERR(wdev);
12909 if (err != -EINVAL)
12912 } else if (wdev->wiphy != &rdev->wiphy) {
12916 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
12917 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
12920 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
12921 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
12922 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
12923 const struct wiphy_vendor_command *vcmd;
12927 vcmd = &rdev->wiphy.vendor_commands[i];
12929 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12932 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12933 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12936 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12940 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12941 if (!wdev_running(wdev))
12946 return -EOPNOTSUPP;
12951 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
12952 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12953 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12955 err = nl80211_vendor_check_policy(vcmd,
12956 info->attrs[NL80211_ATTR_VENDOR_DATA],
12962 rdev->cur_cmd_info = info;
12963 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
12964 rdev->cur_cmd_info = NULL;
12968 return -EOPNOTSUPP;
12971 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
12972 struct netlink_callback *cb,
12973 struct cfg80211_registered_device **rdev,
12974 struct wireless_dev **wdev)
12976 struct nlattr **attrbuf;
12982 unsigned int data_len = 0;
12985 /* subtract the 1 again here */
12986 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
12987 struct wireless_dev *tmp;
12991 *rdev = wiphy_to_rdev(wiphy);
12995 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
12996 if (tmp->identifier == cb->args[1] - 1) {
13003 /* keep rtnl locked in successful case */
13007 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13011 err = nlmsg_parse_deprecated(cb->nlh,
13012 GENL_HDRLEN + nl80211_fam.hdrsize,
13013 attrbuf, nl80211_fam.maxattr,
13014 nl80211_policy, NULL);
13018 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
13019 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13024 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
13028 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
13029 if (IS_ERR(*rdev)) {
13030 err = PTR_ERR(*rdev);
13034 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13035 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
13037 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13038 const struct wiphy_vendor_command *vcmd;
13040 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13042 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13045 if (!vcmd->dumpit) {
13054 if (vcmd_idx < 0) {
13059 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13060 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13061 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13063 err = nl80211_vendor_check_policy(
13064 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13065 attrbuf[NL80211_ATTR_VENDOR_DATA],
13071 /* 0 is the first index - add 1 to parse only once */
13072 cb->args[0] = (*rdev)->wiphy_idx + 1;
13073 /* add 1 to know if it was NULL */
13074 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13075 cb->args[2] = vcmd_idx;
13076 cb->args[3] = (unsigned long)data;
13077 cb->args[4] = data_len;
13079 /* keep rtnl locked in successful case */
13086 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13087 struct netlink_callback *cb)
13089 struct cfg80211_registered_device *rdev;
13090 struct wireless_dev *wdev;
13091 unsigned int vcmd_idx;
13092 const struct wiphy_vendor_command *vcmd;
13096 struct nlattr *vendor_data;
13099 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13103 vcmd_idx = cb->args[2];
13104 data = (void *)cb->args[3];
13105 data_len = cb->args[4];
13106 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13108 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13109 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13114 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13120 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13121 if (!wdev_running(wdev)) {
13129 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13130 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13131 NL80211_CMD_VENDOR);
13135 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13136 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13138 NL80211_ATTR_PAD))) {
13139 genlmsg_cancel(skb, hdr);
13143 vendor_data = nla_nest_start_noflag(skb,
13144 NL80211_ATTR_VENDOR_DATA);
13145 if (!vendor_data) {
13146 genlmsg_cancel(skb, hdr);
13150 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
13151 (unsigned long *)&cb->args[5]);
13152 nla_nest_end(skb, vendor_data);
13154 if (err == -ENOBUFS || err == -ENOENT) {
13155 genlmsg_cancel(skb, hdr);
13158 genlmsg_cancel(skb, hdr);
13162 genlmsg_end(skb, hdr);
13171 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
13172 enum nl80211_commands cmd,
13173 enum nl80211_attrs attr,
13176 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13178 if (WARN_ON(!rdev->cur_cmd_info))
13181 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
13182 rdev->cur_cmd_info->snd_portid,
13183 rdev->cur_cmd_info->snd_seq,
13184 cmd, attr, NULL, GFP_KERNEL);
13186 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
13188 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
13190 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
13191 void *hdr = ((void **)skb->cb)[1];
13192 struct nlattr *data = ((void **)skb->cb)[2];
13194 /* clear CB data for netlink core to own from now on */
13195 memset(skb->cb, 0, sizeof(skb->cb));
13197 if (WARN_ON(!rdev->cur_cmd_info)) {
13202 nla_nest_end(skb, data);
13203 genlmsg_end(skb, hdr);
13204 return genlmsg_reply(skb, rdev->cur_cmd_info);
13206 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
13208 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
13210 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13212 if (WARN_ON(!rdev->cur_cmd_info))
13215 return rdev->cur_cmd_info->snd_portid;
13217 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
13219 static int nl80211_set_qos_map(struct sk_buff *skb,
13220 struct genl_info *info)
13222 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13223 struct cfg80211_qos_map *qos_map = NULL;
13224 struct net_device *dev = info->user_ptr[1];
13225 u8 *pos, len, num_des, des_len, des;
13228 if (!rdev->ops->set_qos_map)
13229 return -EOPNOTSUPP;
13231 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
13232 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
13233 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
13235 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
13236 len > IEEE80211_QOS_MAP_LEN_MAX)
13239 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
13243 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
13245 des_len = num_des *
13246 sizeof(struct cfg80211_dscp_exception);
13247 memcpy(qos_map->dscp_exception, pos, des_len);
13248 qos_map->num_des = num_des;
13249 for (des = 0; des < num_des; des++) {
13250 if (qos_map->dscp_exception[des].up > 7) {
13257 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
13260 wdev_lock(dev->ieee80211_ptr);
13261 ret = nl80211_key_allowed(dev->ieee80211_ptr);
13263 ret = rdev_set_qos_map(rdev, dev, qos_map);
13264 wdev_unlock(dev->ieee80211_ptr);
13270 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
13272 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13273 struct net_device *dev = info->user_ptr[1];
13274 struct wireless_dev *wdev = dev->ieee80211_ptr;
13277 u16 admitted_time = 0;
13280 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
13281 return -EOPNOTSUPP;
13283 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
13284 !info->attrs[NL80211_ATTR_USER_PRIO])
13287 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13288 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
13290 /* WMM uses TIDs 0-7 even for TSPEC */
13291 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
13292 /* TODO: handle 802.11 TSPEC/admission control
13293 * need more attributes for that (e.g. BA session requirement);
13294 * change the WMM adminssion test above to allow both then
13299 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13301 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13303 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13304 if (!admitted_time)
13309 switch (wdev->iftype) {
13310 case NL80211_IFTYPE_STATION:
13311 case NL80211_IFTYPE_P2P_CLIENT:
13312 if (wdev->current_bss)
13321 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13328 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13330 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13331 struct net_device *dev = info->user_ptr[1];
13332 struct wireless_dev *wdev = dev->ieee80211_ptr;
13337 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13340 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13341 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13344 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
13350 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
13351 struct genl_info *info)
13353 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13354 struct net_device *dev = info->user_ptr[1];
13355 struct wireless_dev *wdev = dev->ieee80211_ptr;
13356 struct cfg80211_chan_def chandef = {};
13361 if (!rdev->ops->tdls_channel_switch ||
13362 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13363 return -EOPNOTSUPP;
13365 switch (dev->ieee80211_ptr->iftype) {
13366 case NL80211_IFTYPE_STATION:
13367 case NL80211_IFTYPE_P2P_CLIENT:
13370 return -EOPNOTSUPP;
13373 if (!info->attrs[NL80211_ATTR_MAC] ||
13374 !info->attrs[NL80211_ATTR_OPER_CLASS])
13377 err = nl80211_parse_chandef(rdev, info, &chandef);
13382 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
13383 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
13384 * specification is not defined for them.
13386 if (chandef.chan->band == NL80211_BAND_2GHZ &&
13387 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
13388 chandef.width != NL80211_CHAN_WIDTH_20)
13391 /* we will be active on the TDLS link */
13392 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
13396 /* don't allow switching to DFS channels */
13397 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
13400 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13401 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
13404 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
13410 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
13411 struct genl_info *info)
13413 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13414 struct net_device *dev = info->user_ptr[1];
13415 struct wireless_dev *wdev = dev->ieee80211_ptr;
13418 if (!rdev->ops->tdls_channel_switch ||
13419 !rdev->ops->tdls_cancel_channel_switch ||
13420 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13421 return -EOPNOTSUPP;
13423 switch (dev->ieee80211_ptr->iftype) {
13424 case NL80211_IFTYPE_STATION:
13425 case NL80211_IFTYPE_P2P_CLIENT:
13428 return -EOPNOTSUPP;
13431 if (!info->attrs[NL80211_ATTR_MAC])
13434 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13437 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
13443 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
13444 struct genl_info *info)
13446 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13447 struct net_device *dev = info->user_ptr[1];
13448 struct wireless_dev *wdev = dev->ieee80211_ptr;
13449 const struct nlattr *nla;
13452 if (!rdev->ops->set_multicast_to_unicast)
13453 return -EOPNOTSUPP;
13455 if (wdev->iftype != NL80211_IFTYPE_AP &&
13456 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13457 return -EOPNOTSUPP;
13459 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
13460 enabled = nla_get_flag(nla);
13462 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
13465 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
13467 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13468 struct net_device *dev = info->user_ptr[1];
13469 struct wireless_dev *wdev = dev->ieee80211_ptr;
13470 struct cfg80211_pmk_conf pmk_conf = {};
13473 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13474 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13475 return -EOPNOTSUPP;
13477 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13478 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13479 return -EOPNOTSUPP;
13481 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
13485 if (!wdev->current_bss) {
13490 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13491 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
13496 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
13497 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
13498 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
13499 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
13504 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
13505 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13507 if (r0_name_len != WLAN_PMK_NAME_LEN) {
13512 pmk_conf.pmk_r0_name =
13513 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13516 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
13522 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
13524 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13525 struct net_device *dev = info->user_ptr[1];
13526 struct wireless_dev *wdev = dev->ieee80211_ptr;
13530 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13531 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13532 return -EOPNOTSUPP;
13534 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13535 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13536 return -EOPNOTSUPP;
13538 if (!info->attrs[NL80211_ATTR_MAC])
13542 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13543 ret = rdev_del_pmk(rdev, dev, aa);
13549 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
13551 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13552 struct net_device *dev = info->user_ptr[1];
13553 struct cfg80211_external_auth_params params;
13555 if (!rdev->ops->external_auth)
13556 return -EOPNOTSUPP;
13558 if (!info->attrs[NL80211_ATTR_SSID] &&
13559 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
13560 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
13563 if (!info->attrs[NL80211_ATTR_BSSID])
13566 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
13569 memset(¶ms, 0, sizeof(params));
13571 if (info->attrs[NL80211_ATTR_SSID]) {
13572 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
13573 if (params.ssid.ssid_len == 0 ||
13574 params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
13576 memcpy(params.ssid.ssid,
13577 nla_data(info->attrs[NL80211_ATTR_SSID]),
13578 params.ssid.ssid_len);
13581 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
13584 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13586 if (info->attrs[NL80211_ATTR_PMKID])
13587 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
13589 return rdev_external_auth(rdev, dev, ¶ms);
13592 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
13594 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13595 struct net_device *dev = info->user_ptr[1];
13596 struct wireless_dev *wdev = dev->ieee80211_ptr;
13604 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13605 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
13606 return -EOPNOTSUPP;
13608 if (!rdev->ops->tx_control_port)
13609 return -EOPNOTSUPP;
13611 if (!info->attrs[NL80211_ATTR_FRAME] ||
13612 !info->attrs[NL80211_ATTR_MAC] ||
13613 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
13614 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
13620 switch (wdev->iftype) {
13621 case NL80211_IFTYPE_AP:
13622 case NL80211_IFTYPE_P2P_GO:
13623 case NL80211_IFTYPE_MESH_POINT:
13625 case NL80211_IFTYPE_ADHOC:
13626 case NL80211_IFTYPE_STATION:
13627 case NL80211_IFTYPE_P2P_CLIENT:
13628 if (wdev->current_bss)
13639 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13640 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13641 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13642 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
13644 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
13646 return rdev_tx_control_port(rdev, dev, buf, len,
13647 dest, cpu_to_be16(proto), noencrypt);
13654 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
13655 struct genl_info *info)
13657 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13658 struct net_device *dev = info->user_ptr[1];
13659 struct wireless_dev *wdev = dev->ieee80211_ptr;
13660 struct cfg80211_ftm_responder_stats ftm_stats = {};
13661 struct sk_buff *msg;
13663 struct nlattr *ftm_stats_attr;
13666 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
13667 return -EOPNOTSUPP;
13669 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
13673 if (!ftm_stats.filled)
13676 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13680 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13681 NL80211_CMD_GET_FTM_RESPONDER_STATS);
13685 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13686 goto nla_put_failure;
13688 ftm_stats_attr = nla_nest_start_noflag(msg,
13689 NL80211_ATTR_FTM_RESPONDER_STATS);
13690 if (!ftm_stats_attr)
13691 goto nla_put_failure;
13693 #define SET_FTM(field, name, type) \
13694 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13695 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13696 ftm_stats.field)) \
13697 goto nla_put_failure; } while (0)
13698 #define SET_FTM_U64(field, name) \
13699 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13700 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13701 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13702 goto nla_put_failure; } while (0)
13704 SET_FTM(success_num, SUCCESS_NUM, u32);
13705 SET_FTM(partial_num, PARTIAL_NUM, u32);
13706 SET_FTM(failed_num, FAILED_NUM, u32);
13707 SET_FTM(asap_num, ASAP_NUM, u32);
13708 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
13709 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
13710 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
13711 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
13712 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
13715 nla_nest_end(msg, ftm_stats_attr);
13717 genlmsg_end(msg, hdr);
13718 return genlmsg_reply(msg, info);
13725 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
13727 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13728 struct cfg80211_update_owe_info owe_info;
13729 struct net_device *dev = info->user_ptr[1];
13731 if (!rdev->ops->update_owe_info)
13732 return -EOPNOTSUPP;
13734 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
13735 !info->attrs[NL80211_ATTR_MAC])
13738 memset(&owe_info, 0, sizeof(owe_info));
13739 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13740 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
13742 if (info->attrs[NL80211_ATTR_IE]) {
13743 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13744 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13747 return rdev_update_owe_info(rdev, dev, &owe_info);
13750 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
13752 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13753 struct net_device *dev = info->user_ptr[1];
13754 struct wireless_dev *wdev = dev->ieee80211_ptr;
13755 struct station_info sinfo = {};
13761 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
13762 return -EOPNOTSUPP;
13764 if (!info->attrs[NL80211_ATTR_MAC] ||
13765 !info->attrs[NL80211_ATTR_FRAME]) {
13766 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
13770 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
13771 return -EOPNOTSUPP;
13773 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13774 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13775 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13777 if (len < sizeof(struct ethhdr))
13780 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
13781 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
13784 err = rdev_get_station(rdev, dev, dest, &sinfo);
13788 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
13791 #define NL80211_FLAG_NEED_WIPHY 0x01
13792 #define NL80211_FLAG_NEED_NETDEV 0x02
13793 #define NL80211_FLAG_NEED_RTNL 0x04
13794 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
13795 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
13796 NL80211_FLAG_CHECK_NETDEV_UP)
13797 #define NL80211_FLAG_NEED_WDEV 0x10
13798 /* If a netdev is associated, it must be UP, P2P must be started */
13799 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
13800 NL80211_FLAG_CHECK_NETDEV_UP)
13801 #define NL80211_FLAG_CLEAR_SKB 0x20
13803 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
13804 struct genl_info *info)
13806 struct cfg80211_registered_device *rdev;
13807 struct wireless_dev *wdev;
13808 struct net_device *dev;
13809 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
13814 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
13815 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
13816 if (IS_ERR(rdev)) {
13819 return PTR_ERR(rdev);
13821 info->user_ptr[0] = rdev;
13822 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
13823 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13826 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
13828 if (IS_ERR(wdev)) {
13831 return PTR_ERR(wdev);
13834 dev = wdev->netdev;
13835 rdev = wiphy_to_rdev(wdev->wiphy);
13837 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
13844 info->user_ptr[1] = dev;
13846 info->user_ptr[1] = wdev;
13849 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
13850 !wdev_running(wdev)) {
13859 info->user_ptr[0] = rdev;
13865 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
13866 struct genl_info *info)
13868 if (info->user_ptr[1]) {
13869 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13870 struct wireless_dev *wdev = info->user_ptr[1];
13873 dev_put(wdev->netdev);
13875 dev_put(info->user_ptr[1]);
13879 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
13882 /* If needed, clear the netlink message payload from the SKB
13883 * as it might contain key data that shouldn't stick around on
13884 * the heap after the SKB is freed. The netlink message header
13885 * is still needed for further processing, so leave it intact.
13887 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
13888 struct nlmsghdr *nlh = nlmsg_hdr(skb);
13890 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
13894 static const struct genl_ops nl80211_ops[] = {
13896 .cmd = NL80211_CMD_GET_WIPHY,
13897 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13898 .doit = nl80211_get_wiphy,
13899 .dumpit = nl80211_dump_wiphy,
13900 .done = nl80211_dump_wiphy_done,
13901 /* can be retrieved by unprivileged users */
13902 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13903 NL80211_FLAG_NEED_RTNL,
13906 .cmd = NL80211_CMD_SET_WIPHY,
13907 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13908 .doit = nl80211_set_wiphy,
13909 .flags = GENL_UNS_ADMIN_PERM,
13910 .internal_flags = NL80211_FLAG_NEED_RTNL,
13913 .cmd = NL80211_CMD_GET_INTERFACE,
13914 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13915 .doit = nl80211_get_interface,
13916 .dumpit = nl80211_dump_interface,
13917 /* can be retrieved by unprivileged users */
13918 .internal_flags = NL80211_FLAG_NEED_WDEV |
13919 NL80211_FLAG_NEED_RTNL,
13922 .cmd = NL80211_CMD_SET_INTERFACE,
13923 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13924 .doit = nl80211_set_interface,
13925 .flags = GENL_UNS_ADMIN_PERM,
13926 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13927 NL80211_FLAG_NEED_RTNL,
13930 .cmd = NL80211_CMD_NEW_INTERFACE,
13931 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13932 .doit = nl80211_new_interface,
13933 .flags = GENL_UNS_ADMIN_PERM,
13934 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13935 NL80211_FLAG_NEED_RTNL,
13938 .cmd = NL80211_CMD_DEL_INTERFACE,
13939 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13940 .doit = nl80211_del_interface,
13941 .flags = GENL_UNS_ADMIN_PERM,
13942 .internal_flags = NL80211_FLAG_NEED_WDEV |
13943 NL80211_FLAG_NEED_RTNL,
13946 .cmd = NL80211_CMD_GET_KEY,
13947 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13948 .doit = nl80211_get_key,
13949 .flags = GENL_UNS_ADMIN_PERM,
13950 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13951 NL80211_FLAG_NEED_RTNL,
13954 .cmd = NL80211_CMD_SET_KEY,
13955 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13956 .doit = nl80211_set_key,
13957 .flags = GENL_UNS_ADMIN_PERM,
13958 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13959 NL80211_FLAG_NEED_RTNL |
13960 NL80211_FLAG_CLEAR_SKB,
13963 .cmd = NL80211_CMD_NEW_KEY,
13964 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13965 .doit = nl80211_new_key,
13966 .flags = GENL_UNS_ADMIN_PERM,
13967 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13968 NL80211_FLAG_NEED_RTNL |
13969 NL80211_FLAG_CLEAR_SKB,
13972 .cmd = NL80211_CMD_DEL_KEY,
13973 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13974 .doit = nl80211_del_key,
13975 .flags = GENL_UNS_ADMIN_PERM,
13976 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13977 NL80211_FLAG_NEED_RTNL,
13980 .cmd = NL80211_CMD_SET_BEACON,
13981 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13982 .flags = GENL_UNS_ADMIN_PERM,
13983 .doit = nl80211_set_beacon,
13984 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13985 NL80211_FLAG_NEED_RTNL,
13988 .cmd = NL80211_CMD_START_AP,
13989 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13990 .flags = GENL_UNS_ADMIN_PERM,
13991 .doit = nl80211_start_ap,
13992 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13993 NL80211_FLAG_NEED_RTNL,
13996 .cmd = NL80211_CMD_STOP_AP,
13997 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13998 .flags = GENL_UNS_ADMIN_PERM,
13999 .doit = nl80211_stop_ap,
14000 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14001 NL80211_FLAG_NEED_RTNL,
14004 .cmd = NL80211_CMD_GET_STATION,
14005 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14006 .doit = nl80211_get_station,
14007 .dumpit = nl80211_dump_station,
14008 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14009 NL80211_FLAG_NEED_RTNL,
14012 .cmd = NL80211_CMD_SET_STATION,
14013 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14014 .doit = nl80211_set_station,
14015 .flags = GENL_UNS_ADMIN_PERM,
14016 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14017 NL80211_FLAG_NEED_RTNL,
14020 .cmd = NL80211_CMD_NEW_STATION,
14021 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14022 .doit = nl80211_new_station,
14023 .flags = GENL_UNS_ADMIN_PERM,
14024 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14025 NL80211_FLAG_NEED_RTNL,
14028 .cmd = NL80211_CMD_DEL_STATION,
14029 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14030 .doit = nl80211_del_station,
14031 .flags = GENL_UNS_ADMIN_PERM,
14032 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14033 NL80211_FLAG_NEED_RTNL,
14036 .cmd = NL80211_CMD_GET_MPATH,
14037 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14038 .doit = nl80211_get_mpath,
14039 .dumpit = nl80211_dump_mpath,
14040 .flags = GENL_UNS_ADMIN_PERM,
14041 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14042 NL80211_FLAG_NEED_RTNL,
14045 .cmd = NL80211_CMD_GET_MPP,
14046 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14047 .doit = nl80211_get_mpp,
14048 .dumpit = nl80211_dump_mpp,
14049 .flags = GENL_UNS_ADMIN_PERM,
14050 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14051 NL80211_FLAG_NEED_RTNL,
14054 .cmd = NL80211_CMD_SET_MPATH,
14055 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14056 .doit = nl80211_set_mpath,
14057 .flags = GENL_UNS_ADMIN_PERM,
14058 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14059 NL80211_FLAG_NEED_RTNL,
14062 .cmd = NL80211_CMD_NEW_MPATH,
14063 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14064 .doit = nl80211_new_mpath,
14065 .flags = GENL_UNS_ADMIN_PERM,
14066 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14067 NL80211_FLAG_NEED_RTNL,
14070 .cmd = NL80211_CMD_DEL_MPATH,
14071 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14072 .doit = nl80211_del_mpath,
14073 .flags = GENL_UNS_ADMIN_PERM,
14074 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14075 NL80211_FLAG_NEED_RTNL,
14078 .cmd = NL80211_CMD_SET_BSS,
14079 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14080 .doit = nl80211_set_bss,
14081 .flags = GENL_UNS_ADMIN_PERM,
14082 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14083 NL80211_FLAG_NEED_RTNL,
14086 .cmd = NL80211_CMD_GET_REG,
14087 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14088 .doit = nl80211_get_reg_do,
14089 .dumpit = nl80211_get_reg_dump,
14090 .internal_flags = NL80211_FLAG_NEED_RTNL,
14091 /* can be retrieved by unprivileged users */
14093 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
14095 .cmd = NL80211_CMD_SET_REG,
14096 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14097 .doit = nl80211_set_reg,
14098 .flags = GENL_ADMIN_PERM,
14099 .internal_flags = NL80211_FLAG_NEED_RTNL,
14103 .cmd = NL80211_CMD_REQ_SET_REG,
14104 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14105 .doit = nl80211_req_set_reg,
14106 .flags = GENL_ADMIN_PERM,
14109 .cmd = NL80211_CMD_RELOAD_REGDB,
14110 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14111 .doit = nl80211_reload_regdb,
14112 .flags = GENL_ADMIN_PERM,
14115 .cmd = NL80211_CMD_GET_MESH_CONFIG,
14116 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14117 .doit = nl80211_get_mesh_config,
14118 /* can be retrieved by unprivileged users */
14119 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14120 NL80211_FLAG_NEED_RTNL,
14123 .cmd = NL80211_CMD_SET_MESH_CONFIG,
14124 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14125 .doit = nl80211_update_mesh_config,
14126 .flags = GENL_UNS_ADMIN_PERM,
14127 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14128 NL80211_FLAG_NEED_RTNL,
14131 .cmd = NL80211_CMD_TRIGGER_SCAN,
14132 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14133 .doit = nl80211_trigger_scan,
14134 .flags = GENL_UNS_ADMIN_PERM,
14135 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14136 NL80211_FLAG_NEED_RTNL,
14139 .cmd = NL80211_CMD_ABORT_SCAN,
14140 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14141 .doit = nl80211_abort_scan,
14142 .flags = GENL_UNS_ADMIN_PERM,
14143 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14144 NL80211_FLAG_NEED_RTNL,
14147 .cmd = NL80211_CMD_GET_SCAN,
14148 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14149 .dumpit = nl80211_dump_scan,
14152 .cmd = NL80211_CMD_START_SCHED_SCAN,
14153 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14154 .doit = nl80211_start_sched_scan,
14155 .flags = GENL_UNS_ADMIN_PERM,
14156 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14157 NL80211_FLAG_NEED_RTNL,
14160 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
14161 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14162 .doit = nl80211_stop_sched_scan,
14163 .flags = GENL_UNS_ADMIN_PERM,
14164 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14165 NL80211_FLAG_NEED_RTNL,
14168 .cmd = NL80211_CMD_AUTHENTICATE,
14169 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14170 .doit = nl80211_authenticate,
14171 .flags = GENL_UNS_ADMIN_PERM,
14172 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14173 NL80211_FLAG_NEED_RTNL |
14174 NL80211_FLAG_CLEAR_SKB,
14177 .cmd = NL80211_CMD_ASSOCIATE,
14178 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14179 .doit = nl80211_associate,
14180 .flags = GENL_UNS_ADMIN_PERM,
14181 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14182 NL80211_FLAG_NEED_RTNL |
14183 NL80211_FLAG_CLEAR_SKB,
14186 .cmd = NL80211_CMD_DEAUTHENTICATE,
14187 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14188 .doit = nl80211_deauthenticate,
14189 .flags = GENL_UNS_ADMIN_PERM,
14190 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14191 NL80211_FLAG_NEED_RTNL,
14194 .cmd = NL80211_CMD_DISASSOCIATE,
14195 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14196 .doit = nl80211_disassociate,
14197 .flags = GENL_UNS_ADMIN_PERM,
14198 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14199 NL80211_FLAG_NEED_RTNL,
14202 .cmd = NL80211_CMD_JOIN_IBSS,
14203 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14204 .doit = nl80211_join_ibss,
14205 .flags = GENL_UNS_ADMIN_PERM,
14206 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14207 NL80211_FLAG_NEED_RTNL,
14210 .cmd = NL80211_CMD_LEAVE_IBSS,
14211 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14212 .doit = nl80211_leave_ibss,
14213 .flags = GENL_UNS_ADMIN_PERM,
14214 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14215 NL80211_FLAG_NEED_RTNL,
14217 #ifdef CONFIG_NL80211_TESTMODE
14219 .cmd = NL80211_CMD_TESTMODE,
14220 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14221 .doit = nl80211_testmode_do,
14222 .dumpit = nl80211_testmode_dump,
14223 .flags = GENL_UNS_ADMIN_PERM,
14224 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14225 NL80211_FLAG_NEED_RTNL,
14229 .cmd = NL80211_CMD_CONNECT,
14230 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14231 .doit = nl80211_connect,
14232 .flags = GENL_UNS_ADMIN_PERM,
14233 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14234 NL80211_FLAG_NEED_RTNL |
14235 NL80211_FLAG_CLEAR_SKB,
14238 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
14239 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14240 .doit = nl80211_update_connect_params,
14241 .flags = GENL_ADMIN_PERM,
14242 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14243 NL80211_FLAG_NEED_RTNL |
14244 NL80211_FLAG_CLEAR_SKB,
14247 .cmd = NL80211_CMD_DISCONNECT,
14248 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14249 .doit = nl80211_disconnect,
14250 .flags = GENL_UNS_ADMIN_PERM,
14251 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14252 NL80211_FLAG_NEED_RTNL,
14255 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
14256 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14257 .doit = nl80211_wiphy_netns,
14258 .flags = GENL_UNS_ADMIN_PERM,
14259 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14260 NL80211_FLAG_NEED_RTNL,
14263 .cmd = NL80211_CMD_GET_SURVEY,
14264 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14265 .dumpit = nl80211_dump_survey,
14268 .cmd = NL80211_CMD_SET_PMKSA,
14269 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14270 .doit = nl80211_setdel_pmksa,
14271 .flags = GENL_UNS_ADMIN_PERM,
14272 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14273 NL80211_FLAG_NEED_RTNL |
14274 NL80211_FLAG_CLEAR_SKB,
14277 .cmd = NL80211_CMD_DEL_PMKSA,
14278 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14279 .doit = nl80211_setdel_pmksa,
14280 .flags = GENL_UNS_ADMIN_PERM,
14281 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14282 NL80211_FLAG_NEED_RTNL,
14285 .cmd = NL80211_CMD_FLUSH_PMKSA,
14286 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14287 .doit = nl80211_flush_pmksa,
14288 .flags = GENL_UNS_ADMIN_PERM,
14289 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14290 NL80211_FLAG_NEED_RTNL,
14293 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
14294 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14295 .doit = nl80211_remain_on_channel,
14296 .flags = GENL_UNS_ADMIN_PERM,
14297 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14298 NL80211_FLAG_NEED_RTNL,
14301 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
14302 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14303 .doit = nl80211_cancel_remain_on_channel,
14304 .flags = GENL_UNS_ADMIN_PERM,
14305 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14306 NL80211_FLAG_NEED_RTNL,
14309 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
14310 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14311 .doit = nl80211_set_tx_bitrate_mask,
14312 .flags = GENL_UNS_ADMIN_PERM,
14313 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14314 NL80211_FLAG_NEED_RTNL,
14317 .cmd = NL80211_CMD_REGISTER_FRAME,
14318 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14319 .doit = nl80211_register_mgmt,
14320 .flags = GENL_UNS_ADMIN_PERM,
14321 .internal_flags = NL80211_FLAG_NEED_WDEV |
14322 NL80211_FLAG_NEED_RTNL,
14325 .cmd = NL80211_CMD_FRAME,
14326 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14327 .doit = nl80211_tx_mgmt,
14328 .flags = GENL_UNS_ADMIN_PERM,
14329 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14330 NL80211_FLAG_NEED_RTNL,
14333 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
14334 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14335 .doit = nl80211_tx_mgmt_cancel_wait,
14336 .flags = GENL_UNS_ADMIN_PERM,
14337 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14338 NL80211_FLAG_NEED_RTNL,
14341 .cmd = NL80211_CMD_SET_POWER_SAVE,
14342 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14343 .doit = nl80211_set_power_save,
14344 .flags = GENL_UNS_ADMIN_PERM,
14345 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14346 NL80211_FLAG_NEED_RTNL,
14349 .cmd = NL80211_CMD_GET_POWER_SAVE,
14350 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14351 .doit = nl80211_get_power_save,
14352 /* can be retrieved by unprivileged users */
14353 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14354 NL80211_FLAG_NEED_RTNL,
14357 .cmd = NL80211_CMD_SET_CQM,
14358 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14359 .doit = nl80211_set_cqm,
14360 .flags = GENL_UNS_ADMIN_PERM,
14361 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14362 NL80211_FLAG_NEED_RTNL,
14365 .cmd = NL80211_CMD_SET_CHANNEL,
14366 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14367 .doit = nl80211_set_channel,
14368 .flags = GENL_UNS_ADMIN_PERM,
14369 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14370 NL80211_FLAG_NEED_RTNL,
14373 .cmd = NL80211_CMD_SET_WDS_PEER,
14374 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14375 .doit = nl80211_set_wds_peer,
14376 .flags = GENL_UNS_ADMIN_PERM,
14377 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14378 NL80211_FLAG_NEED_RTNL,
14381 .cmd = NL80211_CMD_JOIN_MESH,
14382 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14383 .doit = nl80211_join_mesh,
14384 .flags = GENL_UNS_ADMIN_PERM,
14385 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14386 NL80211_FLAG_NEED_RTNL,
14389 .cmd = NL80211_CMD_LEAVE_MESH,
14390 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14391 .doit = nl80211_leave_mesh,
14392 .flags = GENL_UNS_ADMIN_PERM,
14393 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14394 NL80211_FLAG_NEED_RTNL,
14397 .cmd = NL80211_CMD_JOIN_OCB,
14398 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14399 .doit = nl80211_join_ocb,
14400 .flags = GENL_UNS_ADMIN_PERM,
14401 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14402 NL80211_FLAG_NEED_RTNL,
14405 .cmd = NL80211_CMD_LEAVE_OCB,
14406 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14407 .doit = nl80211_leave_ocb,
14408 .flags = GENL_UNS_ADMIN_PERM,
14409 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14410 NL80211_FLAG_NEED_RTNL,
14414 .cmd = NL80211_CMD_GET_WOWLAN,
14415 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14416 .doit = nl80211_get_wowlan,
14417 /* can be retrieved by unprivileged users */
14418 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14419 NL80211_FLAG_NEED_RTNL,
14422 .cmd = NL80211_CMD_SET_WOWLAN,
14423 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14424 .doit = nl80211_set_wowlan,
14425 .flags = GENL_UNS_ADMIN_PERM,
14426 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14427 NL80211_FLAG_NEED_RTNL,
14431 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
14432 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14433 .doit = nl80211_set_rekey_data,
14434 .flags = GENL_UNS_ADMIN_PERM,
14435 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14436 NL80211_FLAG_NEED_RTNL |
14437 NL80211_FLAG_CLEAR_SKB,
14440 .cmd = NL80211_CMD_TDLS_MGMT,
14441 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14442 .doit = nl80211_tdls_mgmt,
14443 .flags = GENL_UNS_ADMIN_PERM,
14444 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14445 NL80211_FLAG_NEED_RTNL,
14448 .cmd = NL80211_CMD_TDLS_OPER,
14449 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14450 .doit = nl80211_tdls_oper,
14451 .flags = GENL_UNS_ADMIN_PERM,
14452 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14453 NL80211_FLAG_NEED_RTNL,
14456 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
14457 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14458 .doit = nl80211_register_unexpected_frame,
14459 .flags = GENL_UNS_ADMIN_PERM,
14460 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14461 NL80211_FLAG_NEED_RTNL,
14464 .cmd = NL80211_CMD_PROBE_CLIENT,
14465 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14466 .doit = nl80211_probe_client,
14467 .flags = GENL_UNS_ADMIN_PERM,
14468 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14469 NL80211_FLAG_NEED_RTNL,
14472 .cmd = NL80211_CMD_REGISTER_BEACONS,
14473 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14474 .doit = nl80211_register_beacons,
14475 .flags = GENL_UNS_ADMIN_PERM,
14476 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14477 NL80211_FLAG_NEED_RTNL,
14480 .cmd = NL80211_CMD_SET_NOACK_MAP,
14481 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14482 .doit = nl80211_set_noack_map,
14483 .flags = GENL_UNS_ADMIN_PERM,
14484 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14485 NL80211_FLAG_NEED_RTNL,
14488 .cmd = NL80211_CMD_START_P2P_DEVICE,
14489 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14490 .doit = nl80211_start_p2p_device,
14491 .flags = GENL_UNS_ADMIN_PERM,
14492 .internal_flags = NL80211_FLAG_NEED_WDEV |
14493 NL80211_FLAG_NEED_RTNL,
14496 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
14497 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14498 .doit = nl80211_stop_p2p_device,
14499 .flags = GENL_UNS_ADMIN_PERM,
14500 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14501 NL80211_FLAG_NEED_RTNL,
14504 .cmd = NL80211_CMD_START_NAN,
14505 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14506 .doit = nl80211_start_nan,
14507 .flags = GENL_ADMIN_PERM,
14508 .internal_flags = NL80211_FLAG_NEED_WDEV |
14509 NL80211_FLAG_NEED_RTNL,
14512 .cmd = NL80211_CMD_STOP_NAN,
14513 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14514 .doit = nl80211_stop_nan,
14515 .flags = GENL_ADMIN_PERM,
14516 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14517 NL80211_FLAG_NEED_RTNL,
14520 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
14521 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14522 .doit = nl80211_nan_add_func,
14523 .flags = GENL_ADMIN_PERM,
14524 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14525 NL80211_FLAG_NEED_RTNL,
14528 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
14529 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14530 .doit = nl80211_nan_del_func,
14531 .flags = GENL_ADMIN_PERM,
14532 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14533 NL80211_FLAG_NEED_RTNL,
14536 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
14537 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14538 .doit = nl80211_nan_change_config,
14539 .flags = GENL_ADMIN_PERM,
14540 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14541 NL80211_FLAG_NEED_RTNL,
14544 .cmd = NL80211_CMD_SET_MCAST_RATE,
14545 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14546 .doit = nl80211_set_mcast_rate,
14547 .flags = GENL_UNS_ADMIN_PERM,
14548 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14549 NL80211_FLAG_NEED_RTNL,
14552 .cmd = NL80211_CMD_SET_MAC_ACL,
14553 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14554 .doit = nl80211_set_mac_acl,
14555 .flags = GENL_UNS_ADMIN_PERM,
14556 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14557 NL80211_FLAG_NEED_RTNL,
14560 .cmd = NL80211_CMD_RADAR_DETECT,
14561 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14562 .doit = nl80211_start_radar_detection,
14563 .flags = GENL_UNS_ADMIN_PERM,
14564 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14565 NL80211_FLAG_NEED_RTNL,
14568 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
14569 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14570 .doit = nl80211_get_protocol_features,
14573 .cmd = NL80211_CMD_UPDATE_FT_IES,
14574 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14575 .doit = nl80211_update_ft_ies,
14576 .flags = GENL_UNS_ADMIN_PERM,
14577 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14578 NL80211_FLAG_NEED_RTNL,
14581 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
14582 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14583 .doit = nl80211_crit_protocol_start,
14584 .flags = GENL_UNS_ADMIN_PERM,
14585 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14586 NL80211_FLAG_NEED_RTNL,
14589 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
14590 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14591 .doit = nl80211_crit_protocol_stop,
14592 .flags = GENL_UNS_ADMIN_PERM,
14593 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14594 NL80211_FLAG_NEED_RTNL,
14597 .cmd = NL80211_CMD_GET_COALESCE,
14598 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14599 .doit = nl80211_get_coalesce,
14600 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14601 NL80211_FLAG_NEED_RTNL,
14604 .cmd = NL80211_CMD_SET_COALESCE,
14605 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14606 .doit = nl80211_set_coalesce,
14607 .flags = GENL_UNS_ADMIN_PERM,
14608 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14609 NL80211_FLAG_NEED_RTNL,
14612 .cmd = NL80211_CMD_CHANNEL_SWITCH,
14613 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14614 .doit = nl80211_channel_switch,
14615 .flags = GENL_UNS_ADMIN_PERM,
14616 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14617 NL80211_FLAG_NEED_RTNL,
14620 .cmd = NL80211_CMD_VENDOR,
14621 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14622 .doit = nl80211_vendor_cmd,
14623 .dumpit = nl80211_vendor_cmd_dump,
14624 .flags = GENL_UNS_ADMIN_PERM,
14625 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14626 NL80211_FLAG_NEED_RTNL |
14627 NL80211_FLAG_CLEAR_SKB,
14630 .cmd = NL80211_CMD_SET_QOS_MAP,
14631 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14632 .doit = nl80211_set_qos_map,
14633 .flags = GENL_UNS_ADMIN_PERM,
14634 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14635 NL80211_FLAG_NEED_RTNL,
14638 .cmd = NL80211_CMD_ADD_TX_TS,
14639 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14640 .doit = nl80211_add_tx_ts,
14641 .flags = GENL_UNS_ADMIN_PERM,
14642 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14643 NL80211_FLAG_NEED_RTNL,
14646 .cmd = NL80211_CMD_DEL_TX_TS,
14647 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14648 .doit = nl80211_del_tx_ts,
14649 .flags = GENL_UNS_ADMIN_PERM,
14650 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14651 NL80211_FLAG_NEED_RTNL,
14654 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
14655 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14656 .doit = nl80211_tdls_channel_switch,
14657 .flags = GENL_UNS_ADMIN_PERM,
14658 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14659 NL80211_FLAG_NEED_RTNL,
14662 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
14663 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14664 .doit = nl80211_tdls_cancel_channel_switch,
14665 .flags = GENL_UNS_ADMIN_PERM,
14666 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14667 NL80211_FLAG_NEED_RTNL,
14670 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
14671 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14672 .doit = nl80211_set_multicast_to_unicast,
14673 .flags = GENL_UNS_ADMIN_PERM,
14674 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14675 NL80211_FLAG_NEED_RTNL,
14678 .cmd = NL80211_CMD_SET_PMK,
14679 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14680 .doit = nl80211_set_pmk,
14681 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14682 NL80211_FLAG_NEED_RTNL |
14683 NL80211_FLAG_CLEAR_SKB,
14686 .cmd = NL80211_CMD_DEL_PMK,
14687 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14688 .doit = nl80211_del_pmk,
14689 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14690 NL80211_FLAG_NEED_RTNL,
14693 .cmd = NL80211_CMD_EXTERNAL_AUTH,
14694 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14695 .doit = nl80211_external_auth,
14696 .flags = GENL_ADMIN_PERM,
14697 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14698 NL80211_FLAG_NEED_RTNL,
14701 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
14702 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14703 .doit = nl80211_tx_control_port,
14704 .flags = GENL_UNS_ADMIN_PERM,
14705 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14706 NL80211_FLAG_NEED_RTNL,
14709 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
14710 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14711 .doit = nl80211_get_ftm_responder_stats,
14712 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14713 NL80211_FLAG_NEED_RTNL,
14716 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
14717 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14718 .doit = nl80211_pmsr_start,
14719 .flags = GENL_UNS_ADMIN_PERM,
14720 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14721 NL80211_FLAG_NEED_RTNL,
14724 .cmd = NL80211_CMD_NOTIFY_RADAR,
14725 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14726 .doit = nl80211_notify_radar_detection,
14727 .flags = GENL_UNS_ADMIN_PERM,
14728 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14729 NL80211_FLAG_NEED_RTNL,
14732 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
14733 .doit = nl80211_update_owe_info,
14734 .flags = GENL_ADMIN_PERM,
14735 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14736 NL80211_FLAG_NEED_RTNL,
14739 .cmd = NL80211_CMD_PROBE_MESH_LINK,
14740 .doit = nl80211_probe_mesh_link,
14741 .flags = GENL_UNS_ADMIN_PERM,
14742 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14743 NL80211_FLAG_NEED_RTNL,
14747 static struct genl_family nl80211_fam __ro_after_init = {
14748 .name = NL80211_GENL_NAME, /* have users key off the name instead */
14749 .hdrsize = 0, /* no private header */
14750 .version = 1, /* no particular meaning now */
14751 .maxattr = NL80211_ATTR_MAX,
14752 .policy = nl80211_policy,
14754 .pre_doit = nl80211_pre_doit,
14755 .post_doit = nl80211_post_doit,
14756 .module = THIS_MODULE,
14757 .ops = nl80211_ops,
14758 .n_ops = ARRAY_SIZE(nl80211_ops),
14759 .mcgrps = nl80211_mcgrps,
14760 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
14761 .parallel_ops = true,
14764 /* notification functions */
14766 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
14767 enum nl80211_commands cmd)
14769 struct sk_buff *msg;
14770 struct nl80211_dump_wiphy_state state = {};
14772 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
14773 cmd != NL80211_CMD_DEL_WIPHY);
14775 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14779 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
14784 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14785 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14788 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
14789 struct wireless_dev *wdev,
14790 enum nl80211_commands cmd)
14792 struct sk_buff *msg;
14794 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14798 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
14803 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14804 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14807 static int nl80211_add_scan_req(struct sk_buff *msg,
14808 struct cfg80211_registered_device *rdev)
14810 struct cfg80211_scan_request *req = rdev->scan_req;
14811 struct nlattr *nest;
14817 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
14819 goto nla_put_failure;
14820 for (i = 0; i < req->n_ssids; i++) {
14821 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
14822 goto nla_put_failure;
14824 nla_nest_end(msg, nest);
14826 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
14828 goto nla_put_failure;
14829 for (i = 0; i < req->n_channels; i++) {
14830 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
14831 goto nla_put_failure;
14833 nla_nest_end(msg, nest);
14836 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
14837 goto nla_put_failure;
14840 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
14841 goto nla_put_failure;
14843 if (req->info.scan_start_tsf &&
14844 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
14845 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
14846 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
14847 req->info.tsf_bssid)))
14848 goto nla_put_failure;
14855 static int nl80211_prep_scan_msg(struct sk_buff *msg,
14856 struct cfg80211_registered_device *rdev,
14857 struct wireless_dev *wdev,
14858 u32 portid, u32 seq, int flags,
14863 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
14867 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14868 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14869 wdev->netdev->ifindex)) ||
14870 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14872 goto nla_put_failure;
14874 /* ignore errors and send incomplete event anyway */
14875 nl80211_add_scan_req(msg, rdev);
14877 genlmsg_end(msg, hdr);
14881 genlmsg_cancel(msg, hdr);
14886 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
14887 struct cfg80211_sched_scan_request *req, u32 cmd)
14891 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14895 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
14896 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
14897 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
14898 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
14900 goto nla_put_failure;
14902 genlmsg_end(msg, hdr);
14906 genlmsg_cancel(msg, hdr);
14910 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
14911 struct wireless_dev *wdev)
14913 struct sk_buff *msg;
14915 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14919 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14920 NL80211_CMD_TRIGGER_SCAN) < 0) {
14925 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14926 NL80211_MCGRP_SCAN, GFP_KERNEL);
14929 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
14930 struct wireless_dev *wdev, bool aborted)
14932 struct sk_buff *msg;
14934 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14938 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14939 aborted ? NL80211_CMD_SCAN_ABORTED :
14940 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
14948 /* send message created by nl80211_build_scan_msg() */
14949 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
14950 struct sk_buff *msg)
14955 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14956 NL80211_MCGRP_SCAN, GFP_KERNEL);
14959 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
14961 struct sk_buff *msg;
14963 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14967 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
14972 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
14973 NL80211_MCGRP_SCAN, GFP_KERNEL);
14976 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
14977 struct regulatory_request *request)
14979 /* Userspace can always count this one always being set */
14980 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
14981 goto nla_put_failure;
14983 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
14984 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14985 NL80211_REGDOM_TYPE_WORLD))
14986 goto nla_put_failure;
14987 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
14988 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14989 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
14990 goto nla_put_failure;
14991 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
14992 request->intersect) {
14993 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14994 NL80211_REGDOM_TYPE_INTERSECTION))
14995 goto nla_put_failure;
14997 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14998 NL80211_REGDOM_TYPE_COUNTRY) ||
14999 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
15001 goto nla_put_failure;
15004 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
15005 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
15008 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
15009 goto nla_put_failure;
15012 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
15013 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
15014 goto nla_put_failure;
15024 * This can happen on global regulatory changes or device specific settings
15025 * based on custom regulatory domains.
15027 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
15028 struct regulatory_request *request)
15030 struct sk_buff *msg;
15033 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15037 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
15039 goto nla_put_failure;
15041 if (!nl80211_reg_change_event_fill(msg, request))
15042 goto nla_put_failure;
15044 genlmsg_end(msg, hdr);
15047 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15048 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15057 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
15058 struct net_device *netdev,
15059 const u8 *buf, size_t len,
15060 enum nl80211_commands cmd, gfp_t gfp,
15061 int uapsd_queues, const u8 *req_ies,
15062 size_t req_ies_len)
15064 struct sk_buff *msg;
15067 msg = nlmsg_new(100 + len + req_ies_len, gfp);
15071 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15077 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15078 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15079 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15081 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
15082 goto nla_put_failure;
15084 if (uapsd_queues >= 0) {
15085 struct nlattr *nla_wmm =
15086 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
15088 goto nla_put_failure;
15090 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
15092 goto nla_put_failure;
15094 nla_nest_end(msg, nla_wmm);
15097 genlmsg_end(msg, hdr);
15099 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15100 NL80211_MCGRP_MLME, gfp);
15107 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
15108 struct net_device *netdev, const u8 *buf,
15109 size_t len, gfp_t gfp)
15111 nl80211_send_mlme_event(rdev, netdev, buf, len,
15112 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
15115 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
15116 struct net_device *netdev, const u8 *buf,
15117 size_t len, gfp_t gfp, int uapsd_queues,
15118 const u8 *req_ies, size_t req_ies_len)
15120 nl80211_send_mlme_event(rdev, netdev, buf, len,
15121 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
15122 req_ies, req_ies_len);
15125 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
15126 struct net_device *netdev, const u8 *buf,
15127 size_t len, gfp_t gfp)
15129 nl80211_send_mlme_event(rdev, netdev, buf, len,
15130 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
15133 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
15134 struct net_device *netdev, const u8 *buf,
15135 size_t len, gfp_t gfp)
15137 nl80211_send_mlme_event(rdev, netdev, buf, len,
15138 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
15141 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
15144 struct wireless_dev *wdev = dev->ieee80211_ptr;
15145 struct wiphy *wiphy = wdev->wiphy;
15146 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15147 const struct ieee80211_mgmt *mgmt = (void *)buf;
15150 if (WARN_ON(len < 2))
15153 if (ieee80211_is_deauth(mgmt->frame_control))
15154 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
15156 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
15158 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
15159 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
15162 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
15164 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
15165 struct net_device *netdev, int cmd,
15166 const u8 *addr, gfp_t gfp)
15168 struct sk_buff *msg;
15171 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15175 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15181 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15182 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15183 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
15184 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15185 goto nla_put_failure;
15187 genlmsg_end(msg, hdr);
15189 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15190 NL80211_MCGRP_MLME, gfp);
15197 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
15198 struct net_device *netdev, const u8 *addr,
15201 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
15205 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
15206 struct net_device *netdev, const u8 *addr,
15209 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
15213 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
15214 struct net_device *netdev,
15215 struct cfg80211_connect_resp_params *cr,
15218 struct sk_buff *msg;
15221 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
15222 cr->fils.kek_len + cr->fils.pmk_len +
15223 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15227 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
15233 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15234 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15236 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
15237 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
15238 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
15241 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
15242 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
15243 cr->timeout_reason))) ||
15245 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
15247 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
15249 (cr->fils.update_erp_next_seq_num &&
15250 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15251 cr->fils.erp_next_seq_num)) ||
15252 (cr->status == WLAN_STATUS_SUCCESS &&
15254 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
15257 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
15259 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
15260 goto nla_put_failure;
15262 genlmsg_end(msg, hdr);
15264 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15265 NL80211_MCGRP_MLME, gfp);
15272 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
15273 struct net_device *netdev,
15274 struct cfg80211_roam_info *info, gfp_t gfp)
15276 struct sk_buff *msg;
15278 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
15280 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
15281 info->fils.kek_len + info->fils.pmk_len +
15282 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15286 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
15292 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15293 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15294 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
15296 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
15299 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
15301 (info->fils.update_erp_next_seq_num &&
15302 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15303 info->fils.erp_next_seq_num)) ||
15305 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
15306 info->fils.kek)) ||
15308 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
15309 (info->fils.pmkid &&
15310 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
15311 goto nla_put_failure;
15313 genlmsg_end(msg, hdr);
15315 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15316 NL80211_MCGRP_MLME, gfp);
15323 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
15324 struct net_device *netdev, const u8 *bssid)
15326 struct sk_buff *msg;
15329 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15333 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
15339 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15340 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15341 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
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_disconnected(struct cfg80211_registered_device *rdev,
15355 struct net_device *netdev, u16 reason,
15356 const u8 *ie, size_t ie_len, bool from_ap)
15358 struct sk_buff *msg;
15361 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
15365 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
15371 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15372 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15374 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
15376 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
15377 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
15378 goto nla_put_failure;
15380 genlmsg_end(msg, hdr);
15382 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15383 NL80211_MCGRP_MLME, GFP_KERNEL);
15390 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
15391 struct net_device *netdev, const u8 *bssid,
15394 struct sk_buff *msg;
15397 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15401 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
15407 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15408 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15409 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15410 goto nla_put_failure;
15412 genlmsg_end(msg, hdr);
15414 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15415 NL80211_MCGRP_MLME, gfp);
15422 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
15423 const u8 *ie, u8 ie_len,
15424 int sig_dbm, gfp_t gfp)
15426 struct wireless_dev *wdev = dev->ieee80211_ptr;
15427 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15428 struct sk_buff *msg;
15431 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
15434 trace_cfg80211_notify_new_peer_candidate(dev, addr);
15436 msg = nlmsg_new(100 + ie_len, gfp);
15440 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
15446 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15447 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15448 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15450 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
15452 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
15453 goto nla_put_failure;
15455 genlmsg_end(msg, hdr);
15457 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15458 NL80211_MCGRP_MLME, gfp);
15464 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
15466 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
15467 struct net_device *netdev, const u8 *addr,
15468 enum nl80211_key_type key_type, int key_id,
15469 const u8 *tsc, gfp_t gfp)
15471 struct sk_buff *msg;
15474 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15478 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
15484 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15485 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15486 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
15487 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
15489 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
15490 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
15491 goto nla_put_failure;
15493 genlmsg_end(msg, hdr);
15495 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15496 NL80211_MCGRP_MLME, gfp);
15503 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
15504 struct ieee80211_channel *channel_before,
15505 struct ieee80211_channel *channel_after)
15507 struct sk_buff *msg;
15509 struct nlattr *nl_freq;
15511 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
15515 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
15522 * Since we are applying the beacon hint to a wiphy we know its
15523 * wiphy_idx is valid
15525 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
15526 goto nla_put_failure;
15529 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
15531 goto nla_put_failure;
15533 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
15534 goto nla_put_failure;
15535 nla_nest_end(msg, nl_freq);
15538 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
15540 goto nla_put_failure;
15542 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
15543 goto nla_put_failure;
15544 nla_nest_end(msg, nl_freq);
15546 genlmsg_end(msg, hdr);
15549 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15550 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15559 static void nl80211_send_remain_on_chan_event(
15560 int cmd, struct cfg80211_registered_device *rdev,
15561 struct wireless_dev *wdev, u64 cookie,
15562 struct ieee80211_channel *chan,
15563 unsigned int duration, gfp_t gfp)
15565 struct sk_buff *msg;
15568 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15572 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15578 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15579 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15580 wdev->netdev->ifindex)) ||
15581 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15582 NL80211_ATTR_PAD) ||
15583 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
15584 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
15585 NL80211_CHAN_NO_HT) ||
15586 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15588 goto nla_put_failure;
15590 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
15591 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
15592 goto nla_put_failure;
15594 genlmsg_end(msg, hdr);
15596 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15597 NL80211_MCGRP_MLME, gfp);
15604 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
15605 struct ieee80211_channel *chan,
15606 unsigned int duration, gfp_t gfp)
15608 struct wiphy *wiphy = wdev->wiphy;
15609 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15611 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
15612 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
15613 rdev, wdev, cookie, chan,
15616 EXPORT_SYMBOL(cfg80211_ready_on_channel);
15618 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
15619 struct ieee80211_channel *chan,
15622 struct wiphy *wiphy = wdev->wiphy;
15623 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15625 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
15626 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15627 rdev, wdev, cookie, chan, 0, gfp);
15629 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
15631 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
15632 struct ieee80211_channel *chan,
15635 struct wiphy *wiphy = wdev->wiphy;
15636 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15638 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
15639 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
15640 rdev, wdev, cookie, chan, 0, gfp);
15642 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
15644 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
15645 struct station_info *sinfo, gfp_t gfp)
15647 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15648 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15649 struct sk_buff *msg;
15651 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
15653 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15657 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
15658 rdev, dev, mac_addr, sinfo) < 0) {
15663 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15664 NL80211_MCGRP_MLME, gfp);
15666 EXPORT_SYMBOL(cfg80211_new_sta);
15668 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
15669 struct station_info *sinfo, gfp_t gfp)
15671 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15672 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15673 struct sk_buff *msg;
15674 struct station_info empty_sinfo = {};
15677 sinfo = &empty_sinfo;
15679 trace_cfg80211_del_sta(dev, mac_addr);
15681 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15683 cfg80211_sinfo_release_content(sinfo);
15687 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
15688 rdev, dev, mac_addr, sinfo) < 0) {
15693 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15694 NL80211_MCGRP_MLME, gfp);
15696 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
15698 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
15699 enum nl80211_connect_failed_reason reason,
15702 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15703 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15704 struct sk_buff *msg;
15707 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
15711 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
15717 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15718 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
15719 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
15720 goto nla_put_failure;
15722 genlmsg_end(msg, hdr);
15724 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15725 NL80211_MCGRP_MLME, gfp);
15731 EXPORT_SYMBOL(cfg80211_conn_failed);
15733 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
15734 const u8 *addr, gfp_t gfp)
15736 struct wireless_dev *wdev = dev->ieee80211_ptr;
15737 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15738 struct sk_buff *msg;
15740 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
15745 msg = nlmsg_new(100, gfp);
15749 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15755 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15756 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15757 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15758 goto nla_put_failure;
15760 genlmsg_end(msg, hdr);
15761 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15769 bool cfg80211_rx_spurious_frame(struct net_device *dev,
15770 const u8 *addr, gfp_t gfp)
15772 struct wireless_dev *wdev = dev->ieee80211_ptr;
15775 trace_cfg80211_rx_spurious_frame(dev, addr);
15777 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15778 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
15779 trace_cfg80211_return_bool(false);
15782 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
15784 trace_cfg80211_return_bool(ret);
15787 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
15789 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
15790 const u8 *addr, gfp_t gfp)
15792 struct wireless_dev *wdev = dev->ieee80211_ptr;
15795 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
15797 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15798 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
15799 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
15800 trace_cfg80211_return_bool(false);
15803 ret = __nl80211_unexpected_frame(dev,
15804 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
15806 trace_cfg80211_return_bool(ret);
15809 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
15811 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15812 struct wireless_dev *wdev, u32 nlportid,
15813 int freq, int sig_dbm,
15814 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
15816 struct net_device *netdev = wdev->netdev;
15817 struct sk_buff *msg;
15820 msg = nlmsg_new(100 + len, gfp);
15824 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
15830 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15831 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15832 netdev->ifindex)) ||
15833 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15834 NL80211_ATTR_PAD) ||
15835 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
15837 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
15838 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15840 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
15841 goto nla_put_failure;
15843 genlmsg_end(msg, hdr);
15845 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15852 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
15853 const u8 *buf, size_t len, bool ack, gfp_t gfp)
15855 struct wiphy *wiphy = wdev->wiphy;
15856 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15857 struct net_device *netdev = wdev->netdev;
15858 struct sk_buff *msg;
15861 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
15863 msg = nlmsg_new(100 + len, gfp);
15867 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
15873 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15874 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15875 netdev->ifindex)) ||
15876 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15877 NL80211_ATTR_PAD) ||
15878 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15879 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15880 NL80211_ATTR_PAD) ||
15881 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
15882 goto nla_put_failure;
15884 genlmsg_end(msg, hdr);
15886 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15887 NL80211_MCGRP_MLME, gfp);
15893 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
15895 static int __nl80211_rx_control_port(struct net_device *dev,
15896 struct sk_buff *skb,
15897 bool unencrypted, gfp_t gfp)
15899 struct wireless_dev *wdev = dev->ieee80211_ptr;
15900 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15901 struct ethhdr *ehdr = eth_hdr(skb);
15902 const u8 *addr = ehdr->h_source;
15903 u16 proto = be16_to_cpu(skb->protocol);
15904 struct sk_buff *msg;
15906 struct nlattr *frame;
15908 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
15913 msg = nlmsg_new(100 + skb->len, gfp);
15917 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
15923 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15924 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15925 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15926 NL80211_ATTR_PAD) ||
15927 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15928 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
15929 (unencrypted && nla_put_flag(msg,
15930 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
15931 goto nla_put_failure;
15933 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
15935 goto nla_put_failure;
15937 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
15938 genlmsg_end(msg, hdr);
15940 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15947 bool cfg80211_rx_control_port(struct net_device *dev,
15948 struct sk_buff *skb, bool unencrypted)
15952 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
15953 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
15954 trace_cfg80211_return_bool(ret == 0);
15957 EXPORT_SYMBOL(cfg80211_rx_control_port);
15959 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
15960 const char *mac, gfp_t gfp)
15962 struct wireless_dev *wdev = dev->ieee80211_ptr;
15963 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15964 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15970 cb = (void **)msg->cb;
15972 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
15978 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15979 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15980 goto nla_put_failure;
15982 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
15983 goto nla_put_failure;
15985 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
15987 goto nla_put_failure;
15997 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
15999 void **cb = (void **)msg->cb;
16000 struct cfg80211_registered_device *rdev = cb[2];
16002 nla_nest_end(msg, cb[1]);
16003 genlmsg_end(msg, cb[0]);
16005 memset(msg->cb, 0, sizeof(msg->cb));
16007 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16008 NL80211_MCGRP_MLME, gfp);
16011 void cfg80211_cqm_rssi_notify(struct net_device *dev,
16012 enum nl80211_cqm_rssi_threshold_event rssi_event,
16013 s32 rssi_level, gfp_t gfp)
16015 struct sk_buff *msg;
16016 struct wireless_dev *wdev = dev->ieee80211_ptr;
16017 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16019 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
16021 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
16022 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
16025 if (wdev->cqm_config) {
16026 wdev->cqm_config->last_rssi_event_value = rssi_level;
16028 cfg80211_cqm_rssi_update(rdev, dev);
16030 if (rssi_level == 0)
16031 rssi_level = wdev->cqm_config->last_rssi_event_value;
16034 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16038 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
16040 goto nla_put_failure;
16042 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
16044 goto nla_put_failure;
16046 cfg80211_send_cqm(msg, gfp);
16053 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
16055 void cfg80211_cqm_txe_notify(struct net_device *dev,
16056 const u8 *peer, u32 num_packets,
16057 u32 rate, u32 intvl, gfp_t gfp)
16059 struct sk_buff *msg;
16061 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16065 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
16066 goto nla_put_failure;
16068 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
16069 goto nla_put_failure;
16071 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
16072 goto nla_put_failure;
16074 cfg80211_send_cqm(msg, gfp);
16080 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
16082 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
16083 const u8 *peer, u32 num_packets, gfp_t gfp)
16085 struct sk_buff *msg;
16087 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
16089 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16093 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
16094 goto nla_put_failure;
16096 cfg80211_send_cqm(msg, gfp);
16102 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
16104 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
16106 struct sk_buff *msg;
16108 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16112 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
16113 goto nla_put_failure;
16115 cfg80211_send_cqm(msg, gfp);
16121 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
16123 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
16124 struct net_device *netdev, const u8 *bssid,
16125 const u8 *replay_ctr, gfp_t gfp)
16127 struct sk_buff *msg;
16128 struct nlattr *rekey_attr;
16131 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16135 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
16141 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16142 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16143 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16144 goto nla_put_failure;
16146 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
16148 goto nla_put_failure;
16150 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
16151 NL80211_REPLAY_CTR_LEN, replay_ctr))
16152 goto nla_put_failure;
16154 nla_nest_end(msg, rekey_attr);
16156 genlmsg_end(msg, hdr);
16158 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16159 NL80211_MCGRP_MLME, gfp);
16166 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
16167 const u8 *replay_ctr, gfp_t gfp)
16169 struct wireless_dev *wdev = dev->ieee80211_ptr;
16170 struct wiphy *wiphy = wdev->wiphy;
16171 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16173 trace_cfg80211_gtk_rekey_notify(dev, bssid);
16174 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
16176 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
16179 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
16180 struct net_device *netdev, int index,
16181 const u8 *bssid, bool preauth, gfp_t gfp)
16183 struct sk_buff *msg;
16184 struct nlattr *attr;
16187 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16191 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
16197 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16198 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16199 goto nla_put_failure;
16201 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
16203 goto nla_put_failure;
16205 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
16206 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
16208 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
16209 goto nla_put_failure;
16211 nla_nest_end(msg, attr);
16213 genlmsg_end(msg, hdr);
16215 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16216 NL80211_MCGRP_MLME, gfp);
16223 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
16224 const u8 *bssid, bool preauth, gfp_t gfp)
16226 struct wireless_dev *wdev = dev->ieee80211_ptr;
16227 struct wiphy *wiphy = wdev->wiphy;
16228 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16230 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
16231 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
16233 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
16235 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
16236 struct net_device *netdev,
16237 struct cfg80211_chan_def *chandef,
16239 enum nl80211_commands notif,
16242 struct sk_buff *msg;
16245 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16249 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
16255 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16256 goto nla_put_failure;
16258 if (nl80211_send_chandef(msg, chandef))
16259 goto nla_put_failure;
16261 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
16262 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
16263 goto nla_put_failure;
16265 genlmsg_end(msg, hdr);
16267 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16268 NL80211_MCGRP_MLME, gfp);
16275 void cfg80211_ch_switch_notify(struct net_device *dev,
16276 struct cfg80211_chan_def *chandef)
16278 struct wireless_dev *wdev = dev->ieee80211_ptr;
16279 struct wiphy *wiphy = wdev->wiphy;
16280 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16282 ASSERT_WDEV_LOCK(wdev);
16284 trace_cfg80211_ch_switch_notify(dev, chandef);
16286 wdev->chandef = *chandef;
16287 wdev->preset_chandef = *chandef;
16289 if (wdev->iftype == NL80211_IFTYPE_STATION &&
16290 !WARN_ON(!wdev->current_bss))
16291 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
16293 cfg80211_sched_dfs_chan_update(rdev);
16295 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16296 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
16298 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
16300 void cfg80211_ch_switch_started_notify(struct net_device *dev,
16301 struct cfg80211_chan_def *chandef,
16304 struct wireless_dev *wdev = dev->ieee80211_ptr;
16305 struct wiphy *wiphy = wdev->wiphy;
16306 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16308 trace_cfg80211_ch_switch_started_notify(dev, chandef);
16310 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16311 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
16313 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
16316 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
16317 const struct cfg80211_chan_def *chandef,
16318 enum nl80211_radar_event event,
16319 struct net_device *netdev, gfp_t gfp)
16321 struct sk_buff *msg;
16324 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16328 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
16334 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16335 goto nla_put_failure;
16337 /* NOP and radar events don't need a netdev parameter */
16339 struct wireless_dev *wdev = netdev->ieee80211_ptr;
16341 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16342 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16344 goto nla_put_failure;
16347 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
16348 goto nla_put_failure;
16350 if (nl80211_send_chandef(msg, chandef))
16351 goto nla_put_failure;
16353 genlmsg_end(msg, hdr);
16355 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16356 NL80211_MCGRP_MLME, gfp);
16363 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
16364 struct sta_opmode_info *sta_opmode,
16367 struct sk_buff *msg;
16368 struct wireless_dev *wdev = dev->ieee80211_ptr;
16369 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16375 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16379 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
16385 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16386 goto nla_put_failure;
16388 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16389 goto nla_put_failure;
16391 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16392 goto nla_put_failure;
16394 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
16395 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
16396 goto nla_put_failure;
16398 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
16399 nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
16400 goto nla_put_failure;
16402 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
16403 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
16404 goto nla_put_failure;
16406 genlmsg_end(msg, hdr);
16408 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16409 NL80211_MCGRP_MLME, gfp);
16416 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
16418 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
16419 u64 cookie, bool acked, s32 ack_signal,
16420 bool is_valid_ack_signal, gfp_t gfp)
16422 struct wireless_dev *wdev = dev->ieee80211_ptr;
16423 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16424 struct sk_buff *msg;
16427 trace_cfg80211_probe_status(dev, addr, cookie, acked);
16429 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16434 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
16440 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16441 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16442 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16443 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16444 NL80211_ATTR_PAD) ||
16445 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
16446 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
16448 goto nla_put_failure;
16450 genlmsg_end(msg, hdr);
16452 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16453 NL80211_MCGRP_MLME, gfp);
16459 EXPORT_SYMBOL(cfg80211_probe_status);
16461 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
16462 const u8 *frame, size_t len,
16463 int freq, int sig_dbm)
16465 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16466 struct sk_buff *msg;
16468 struct cfg80211_beacon_registration *reg;
16470 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
16472 spin_lock_bh(&rdev->beacon_registrations_lock);
16473 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
16474 msg = nlmsg_new(len + 100, GFP_ATOMIC);
16476 spin_unlock_bh(&rdev->beacon_registrations_lock);
16480 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16482 goto nla_put_failure;
16484 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16486 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
16488 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16489 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
16490 goto nla_put_failure;
16492 genlmsg_end(msg, hdr);
16494 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
16496 spin_unlock_bh(&rdev->beacon_registrations_lock);
16500 spin_unlock_bh(&rdev->beacon_registrations_lock);
16503 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
16506 static int cfg80211_net_detect_results(struct sk_buff *msg,
16507 struct cfg80211_wowlan_wakeup *wakeup)
16509 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
16510 struct nlattr *nl_results, *nl_match, *nl_freqs;
16513 nl_results = nla_nest_start_noflag(msg,
16514 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
16518 for (i = 0; i < nd->n_matches; i++) {
16519 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
16521 nl_match = nla_nest_start_noflag(msg, i);
16525 /* The SSID attribute is optional in nl80211, but for
16526 * simplicity reasons it's always present in the
16527 * cfg80211 structure. If a driver can't pass the
16528 * SSID, that needs to be changed. A zero length SSID
16529 * is still a valid SSID (wildcard), so it cannot be
16530 * used for this purpose.
16532 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
16533 match->ssid.ssid)) {
16534 nla_nest_cancel(msg, nl_match);
16538 if (match->n_channels) {
16539 nl_freqs = nla_nest_start_noflag(msg,
16540 NL80211_ATTR_SCAN_FREQUENCIES);
16542 nla_nest_cancel(msg, nl_match);
16546 for (j = 0; j < match->n_channels; j++) {
16547 if (nla_put_u32(msg, j, match->channels[j])) {
16548 nla_nest_cancel(msg, nl_freqs);
16549 nla_nest_cancel(msg, nl_match);
16554 nla_nest_end(msg, nl_freqs);
16557 nla_nest_end(msg, nl_match);
16561 nla_nest_end(msg, nl_results);
16565 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
16566 struct cfg80211_wowlan_wakeup *wakeup,
16569 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16570 struct sk_buff *msg;
16574 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
16577 size += wakeup->packet_present_len;
16579 msg = nlmsg_new(size, gfp);
16583 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
16587 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16588 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16592 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16593 wdev->netdev->ifindex))
16597 struct nlattr *reasons;
16599 reasons = nla_nest_start_noflag(msg,
16600 NL80211_ATTR_WOWLAN_TRIGGERS);
16604 if (wakeup->disconnect &&
16605 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
16607 if (wakeup->magic_pkt &&
16608 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
16610 if (wakeup->gtk_rekey_failure &&
16611 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
16613 if (wakeup->eap_identity_req &&
16614 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
16616 if (wakeup->four_way_handshake &&
16617 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
16619 if (wakeup->rfkill_release &&
16620 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
16623 if (wakeup->pattern_idx >= 0 &&
16624 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
16625 wakeup->pattern_idx))
16628 if (wakeup->tcp_match &&
16629 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
16632 if (wakeup->tcp_connlost &&
16633 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
16636 if (wakeup->tcp_nomoretokens &&
16638 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
16641 if (wakeup->packet) {
16642 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
16643 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
16645 if (!wakeup->packet_80211) {
16647 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
16649 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
16652 if (wakeup->packet_len &&
16653 nla_put_u32(msg, len_attr, wakeup->packet_len))
16656 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
16661 if (wakeup->net_detect &&
16662 cfg80211_net_detect_results(msg, wakeup))
16665 nla_nest_end(msg, reasons);
16668 genlmsg_end(msg, hdr);
16670 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16671 NL80211_MCGRP_MLME, gfp);
16677 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
16680 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
16681 enum nl80211_tdls_operation oper,
16682 u16 reason_code, gfp_t gfp)
16684 struct wireless_dev *wdev = dev->ieee80211_ptr;
16685 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16686 struct sk_buff *msg;
16689 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
16692 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16696 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
16702 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16703 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16704 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
16705 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
16706 (reason_code > 0 &&
16707 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
16708 goto nla_put_failure;
16710 genlmsg_end(msg, hdr);
16712 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16713 NL80211_MCGRP_MLME, gfp);
16719 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
16721 static int nl80211_netlink_notify(struct notifier_block * nb,
16722 unsigned long state,
16725 struct netlink_notify *notify = _notify;
16726 struct cfg80211_registered_device *rdev;
16727 struct wireless_dev *wdev;
16728 struct cfg80211_beacon_registration *reg, *tmp;
16730 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
16731 return NOTIFY_DONE;
16735 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
16736 struct cfg80211_sched_scan_request *sched_scan_req;
16738 list_for_each_entry_rcu(sched_scan_req,
16739 &rdev->sched_scan_req_list,
16741 if (sched_scan_req->owner_nlportid == notify->portid) {
16742 sched_scan_req->nl_owner_dead = true;
16743 schedule_work(&rdev->sched_scan_stop_wk);
16747 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
16748 cfg80211_mlme_unregister_socket(wdev, notify->portid);
16750 if (wdev->owner_nlportid == notify->portid) {
16751 wdev->nl_owner_dead = true;
16752 schedule_work(&rdev->destroy_work);
16753 } else if (wdev->conn_owner_nlportid == notify->portid) {
16754 schedule_work(&wdev->disconnect_wk);
16757 cfg80211_release_pmsr(wdev, notify->portid);
16760 spin_lock_bh(&rdev->beacon_registrations_lock);
16761 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
16763 if (reg->nlportid == notify->portid) {
16764 list_del(®->list);
16769 spin_unlock_bh(&rdev->beacon_registrations_lock);
16775 * It is possible that the user space process that is controlling the
16776 * indoor setting disappeared, so notify the regulatory core.
16778 regulatory_netlink_notify(notify->portid);
16782 static struct notifier_block nl80211_netlink_notifier = {
16783 .notifier_call = nl80211_netlink_notify,
16786 void cfg80211_ft_event(struct net_device *netdev,
16787 struct cfg80211_ft_event_params *ft_event)
16789 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16790 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16791 struct sk_buff *msg;
16794 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
16796 if (!ft_event->target_ap)
16799 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
16804 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
16808 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16809 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16810 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
16813 if (ft_event->ies &&
16814 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
16816 if (ft_event->ric_ies &&
16817 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
16818 ft_event->ric_ies))
16821 genlmsg_end(msg, hdr);
16823 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16824 NL80211_MCGRP_MLME, GFP_KERNEL);
16829 EXPORT_SYMBOL(cfg80211_ft_event);
16831 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
16833 struct cfg80211_registered_device *rdev;
16834 struct sk_buff *msg;
16838 rdev = wiphy_to_rdev(wdev->wiphy);
16839 if (!rdev->crit_proto_nlportid)
16842 nlportid = rdev->crit_proto_nlportid;
16843 rdev->crit_proto_nlportid = 0;
16845 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16849 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
16851 goto nla_put_failure;
16853 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16854 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16856 goto nla_put_failure;
16858 genlmsg_end(msg, hdr);
16860 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16866 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
16868 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
16870 struct wiphy *wiphy = wdev->wiphy;
16871 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16872 struct sk_buff *msg;
16875 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16879 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
16883 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16884 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
16885 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16889 genlmsg_end(msg, hdr);
16891 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
16892 NL80211_MCGRP_MLME, GFP_KERNEL);
16898 int cfg80211_external_auth_request(struct net_device *dev,
16899 struct cfg80211_external_auth_params *params,
16902 struct wireless_dev *wdev = dev->ieee80211_ptr;
16903 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16904 struct sk_buff *msg;
16907 if (!wdev->conn_owner_nlportid)
16910 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16914 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
16916 goto nla_put_failure;
16918 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16919 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16920 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
16921 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
16923 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
16924 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
16925 params->ssid.ssid))
16926 goto nla_put_failure;
16928 genlmsg_end(msg, hdr);
16929 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
16930 wdev->conn_owner_nlportid);
16937 EXPORT_SYMBOL(cfg80211_external_auth_request);
16939 void cfg80211_update_owe_info_event(struct net_device *netdev,
16940 struct cfg80211_update_owe_info *owe_info,
16943 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16944 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16945 struct sk_buff *msg;
16948 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
16950 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16954 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
16956 goto nla_put_failure;
16958 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16959 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16960 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
16961 goto nla_put_failure;
16963 if (!owe_info->ie_len ||
16964 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
16965 goto nla_put_failure;
16967 genlmsg_end(msg, hdr);
16969 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16970 NL80211_MCGRP_MLME, gfp);
16974 genlmsg_cancel(msg, hdr);
16977 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
16979 /* initialisation/exit functions */
16981 int __init nl80211_init(void)
16985 err = genl_register_family(&nl80211_fam);
16989 err = netlink_register_notifier(&nl80211_netlink_notifier);
16995 genl_unregister_family(&nl80211_fam);
16999 void nl80211_exit(void)
17001 netlink_unregister_notifier(&nl80211_netlink_notifier);
17002 genl_unregister_family(&nl80211_fam);