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] = NLA_POLICY_ETH_ADDR_COMPAT,
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_STATUS_CODE] = { .type = NLA_U16 },
441 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
442 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
443 [NL80211_ATTR_PID] = { .type = NLA_U32 },
444 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
445 [NL80211_ATTR_PMKID] = {
446 .type = NLA_EXACT_LEN_WARN,
447 .len = WLAN_PMKID_LEN
449 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
450 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
451 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
452 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
453 .len = IEEE80211_MAX_DATA_LEN },
454 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
455 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
458 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
459 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
460 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
461 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
462 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
463 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
464 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
465 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
466 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
467 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
468 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
469 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
470 [NL80211_ATTR_STA_PLINK_STATE] =
471 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
472 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
473 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
474 [NL80211_ATTR_MESH_PEER_AID] =
475 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
476 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
477 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
478 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
479 [NL80211_ATTR_HIDDEN_SSID] =
480 NLA_POLICY_RANGE(NLA_U32,
481 NL80211_HIDDEN_SSID_NOT_IN_USE,
482 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
483 [NL80211_ATTR_IE_PROBE_RESP] =
484 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
485 IEEE80211_MAX_DATA_LEN),
486 [NL80211_ATTR_IE_ASSOC_RESP] =
487 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
488 IEEE80211_MAX_DATA_LEN),
489 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
490 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
491 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
492 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
493 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
494 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
495 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
496 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
497 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
498 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
499 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
500 .len = IEEE80211_MAX_DATA_LEN },
501 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
502 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
503 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
504 .len = NL80211_HT_CAPABILITY_LEN
506 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
507 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
508 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
509 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
510 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
511 [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
512 [NL80211_ATTR_VHT_CAPABILITY] = {
513 .type = NLA_EXACT_LEN_WARN,
514 .len = NL80211_VHT_CAPABILITY_LEN
516 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
517 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
518 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
519 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
520 NLA_POLICY_RANGE(NLA_U32,
521 NL80211_MESH_POWER_UNKNOWN + 1,
522 NL80211_MESH_POWER_MAX),
523 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
524 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
525 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
526 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
527 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
528 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
529 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
530 .len = NL80211_VHT_CAPABILITY_LEN,
532 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
533 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
534 .len = IEEE80211_MAX_DATA_LEN },
535 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
536 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] = { .type = NLA_U16 },
537 [NL80211_ATTR_PEER_AID] =
538 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
539 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
540 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
541 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
542 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
543 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
544 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
545 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
546 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
547 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
548 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
549 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
550 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
551 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
552 .len = IEEE80211_QOS_MAP_LEN_MAX },
553 [NL80211_ATTR_MAC_HINT] = {
554 .type = NLA_EXACT_LEN_WARN,
557 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
558 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
559 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
560 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
561 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
562 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
563 [NL80211_ATTR_USER_PRIO] =
564 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
565 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
566 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
567 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
568 [NL80211_ATTR_MAC_MASK] = {
569 .type = NLA_EXACT_LEN_WARN,
572 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
573 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
574 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
575 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
576 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
577 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
578 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
579 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
580 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
581 .len = VHT_MUMIMO_GROUPS_DATA_LEN
583 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = {
584 .type = NLA_EXACT_LEN_WARN,
587 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
588 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
589 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
590 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
591 .len = FILS_MAX_KEK_LEN },
592 [NL80211_ATTR_FILS_NONCES] = {
593 .type = NLA_EXACT_LEN_WARN,
594 .len = 2 * FILS_NONCE_LEN
596 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
597 [NL80211_ATTR_BSSID] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
598 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
599 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
600 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
602 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
603 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
604 .len = FILS_ERP_MAX_USERNAME_LEN },
605 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
606 .len = FILS_ERP_MAX_REALM_LEN },
607 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
608 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
609 .len = FILS_ERP_MAX_RRK_LEN },
610 [NL80211_ATTR_FILS_CACHE_ID] = { .type = NLA_EXACT_LEN_WARN, .len = 2 },
611 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
612 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
613 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
615 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
616 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
617 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
618 [NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
619 .len = NL80211_HE_MAX_CAPABILITY_LEN },
621 [NL80211_ATTR_FTM_RESPONDER] =
622 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
623 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
624 [NL80211_ATTR_PEER_MEASUREMENTS] =
625 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
626 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
627 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
628 .len = SAE_PASSWORD_MAX_LEN },
629 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
630 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
633 /* policy for the key attributes */
634 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
635 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
636 [NL80211_KEY_IDX] = { .type = NLA_U8 },
637 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
638 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
639 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
640 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
641 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
642 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
643 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
646 /* policy for the key default flags */
647 static const struct nla_policy
648 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
649 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
650 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
654 /* policy for WoWLAN attributes */
655 static const struct nla_policy
656 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
657 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
658 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
659 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
660 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
661 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
662 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
663 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
664 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
665 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
666 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
669 static const struct nla_policy
670 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
671 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
672 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
673 [NL80211_WOWLAN_TCP_DST_MAC] = {
674 .type = NLA_EXACT_LEN_WARN,
677 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
678 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
679 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
680 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
681 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
683 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
684 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
686 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
687 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
688 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .type = NLA_MIN_LEN, .len = 1 },
690 #endif /* CONFIG_PM */
692 /* policy for coalesce rule attributes */
693 static const struct nla_policy
694 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
695 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
696 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
697 NLA_POLICY_RANGE(NLA_U32,
698 NL80211_COALESCE_CONDITION_MATCH,
699 NL80211_COALESCE_CONDITION_NO_MATCH),
700 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
703 /* policy for GTK rekey offload attributes */
704 static const struct nla_policy
705 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
706 [NL80211_REKEY_DATA_KEK] = {
707 .type = NLA_EXACT_LEN_WARN,
708 .len = NL80211_KEK_LEN,
710 [NL80211_REKEY_DATA_KCK] = {
711 .type = NLA_EXACT_LEN_WARN,
712 .len = NL80211_KCK_LEN,
714 [NL80211_REKEY_DATA_REPLAY_CTR] = {
715 .type = NLA_EXACT_LEN_WARN,
716 .len = NL80211_REPLAY_CTR_LEN
720 static const struct nla_policy
721 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
722 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
723 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
724 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
725 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
728 static const struct nla_policy
729 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
730 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
731 .len = IEEE80211_MAX_SSID_LEN },
732 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = {
733 .type = NLA_EXACT_LEN_WARN,
736 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
737 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
738 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
741 static const struct nla_policy
742 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
743 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
744 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
747 static const struct nla_policy
748 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
749 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
750 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
751 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
752 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
756 /* policy for NAN function attributes */
757 static const struct nla_policy
758 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
759 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
760 [NL80211_NAN_FUNC_SERVICE_ID] = {
761 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
762 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
763 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
764 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
765 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
766 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
767 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = {
768 .type = NLA_EXACT_LEN_WARN,
771 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
772 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
773 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
774 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
775 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
776 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
777 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
778 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
779 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
782 /* policy for Service Response Filter attributes */
783 static const struct nla_policy
784 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
785 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
786 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
787 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
788 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
789 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
792 /* policy for packet pattern attributes */
793 static const struct nla_policy
794 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
795 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
796 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
797 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
800 int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
801 struct cfg80211_registered_device **rdev,
802 struct wireless_dev **wdev)
807 struct nlattr **attrbuf;
809 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
814 err = nlmsg_parse_deprecated(cb->nlh,
815 GENL_HDRLEN + nl80211_fam.hdrsize,
816 attrbuf, nl80211_fam.maxattr,
817 nl80211_policy, NULL);
823 *wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk),
827 return PTR_ERR(*wdev);
828 *rdev = wiphy_to_rdev((*wdev)->wiphy);
829 /* 0 is the first index - add 1 to parse only once */
830 cb->args[0] = (*rdev)->wiphy_idx + 1;
831 cb->args[1] = (*wdev)->identifier;
833 /* subtract the 1 again here */
834 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
835 struct wireless_dev *tmp;
839 *rdev = wiphy_to_rdev(wiphy);
842 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
843 if (tmp->identifier == cb->args[1]) {
856 /* message building helper */
857 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
860 /* since there is no private header just add the generic one */
861 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
864 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
865 const struct ieee80211_reg_rule *rule)
868 struct nlattr *nl_wmm_rules =
869 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
872 goto nla_put_failure;
874 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
875 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
878 goto nla_put_failure;
880 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
881 rule->wmm_rule.client[j].cw_min) ||
882 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
883 rule->wmm_rule.client[j].cw_max) ||
884 nla_put_u8(msg, NL80211_WMMR_AIFSN,
885 rule->wmm_rule.client[j].aifsn) ||
886 nla_put_u16(msg, NL80211_WMMR_TXOP,
887 rule->wmm_rule.client[j].cot))
888 goto nla_put_failure;
890 nla_nest_end(msg, nl_wmm_rule);
892 nla_nest_end(msg, nl_wmm_rules);
900 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
901 struct ieee80211_channel *chan,
904 /* Some channels must be completely excluded from the
905 * list to protect old user-space tools from breaking
907 if (!large && chan->flags &
908 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
911 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
913 goto nla_put_failure;
915 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
916 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
917 goto nla_put_failure;
918 if (chan->flags & IEEE80211_CHAN_NO_IR) {
919 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
920 goto nla_put_failure;
921 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
922 goto nla_put_failure;
924 if (chan->flags & IEEE80211_CHAN_RADAR) {
925 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
926 goto nla_put_failure;
930 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
932 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
934 goto nla_put_failure;
935 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
937 goto nla_put_failure;
939 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
941 goto nla_put_failure;
946 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
947 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
948 goto nla_put_failure;
949 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
950 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
951 goto nla_put_failure;
952 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
953 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
954 goto nla_put_failure;
955 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
956 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
957 goto nla_put_failure;
958 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
959 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
960 goto nla_put_failure;
961 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
962 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
963 goto nla_put_failure;
964 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
965 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
966 goto nla_put_failure;
967 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
968 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
969 goto nla_put_failure;
972 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
973 DBM_TO_MBM(chan->max_power)))
974 goto nla_put_failure;
977 const struct ieee80211_reg_rule *rule =
978 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
980 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
981 if (nl80211_msg_put_wmm_rules(msg, rule))
982 goto nla_put_failure;
992 static bool nl80211_put_txq_stats(struct sk_buff *msg,
993 struct cfg80211_txq_stats *txqstats,
996 struct nlattr *txqattr;
998 #define PUT_TXQVAL_U32(attr, memb) do { \
999 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1000 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1004 txqattr = nla_nest_start_noflag(msg, attrtype);
1008 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1009 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1010 PUT_TXQVAL_U32(FLOWS, flows);
1011 PUT_TXQVAL_U32(DROPS, drops);
1012 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1013 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1014 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1015 PUT_TXQVAL_U32(COLLISIONS, collisions);
1016 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1017 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1018 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1019 nla_nest_end(msg, txqattr);
1021 #undef PUT_TXQVAL_U32
1025 /* netlink command implementations */
1028 struct key_params p;
1032 bool def_uni, def_multi;
1035 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1036 struct key_parse *k)
1038 struct nlattr *tb[NL80211_KEY_MAX + 1];
1039 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1045 k->def = !!tb[NL80211_KEY_DEFAULT];
1046 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1050 k->def_multi = true;
1053 k->def_multi = true;
1055 if (tb[NL80211_KEY_IDX])
1056 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1058 if (tb[NL80211_KEY_DATA]) {
1059 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1060 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1063 if (tb[NL80211_KEY_SEQ]) {
1064 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1065 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1068 if (tb[NL80211_KEY_CIPHER])
1069 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1071 if (tb[NL80211_KEY_TYPE])
1072 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1074 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1075 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1077 err = nla_parse_nested_deprecated(kdt,
1078 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1079 tb[NL80211_KEY_DEFAULT_TYPES],
1080 nl80211_key_default_policy,
1085 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1086 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1089 if (tb[NL80211_KEY_MODE])
1090 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1095 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1097 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1098 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1099 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1102 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1103 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1104 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1107 if (info->attrs[NL80211_ATTR_KEY_IDX])
1108 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1110 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1111 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1113 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1114 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1118 k->def_multi = true;
1121 k->def_multi = true;
1123 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1124 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1126 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1127 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1128 int err = nla_parse_nested_deprecated(kdt,
1129 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1130 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1131 nl80211_key_default_policy,
1136 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1137 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1143 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1147 memset(k, 0, sizeof(*k));
1151 if (info->attrs[NL80211_ATTR_KEY])
1152 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1154 err = nl80211_parse_key_old(info, k);
1159 if (k->def && k->defmgmt) {
1160 GENL_SET_ERR_MSG(info, "key with def && defmgmt is invalid");
1165 if (k->def_uni || !k->def_multi) {
1166 GENL_SET_ERR_MSG(info, "defmgmt key must be mcast");
1173 if (k->idx < 4 || k->idx > 5) {
1174 GENL_SET_ERR_MSG(info,
1175 "defmgmt key idx not 4 or 5");
1178 } else if (k->def) {
1179 if (k->idx < 0 || k->idx > 3) {
1180 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1184 if (k->idx < 0 || k->idx > 5) {
1185 GENL_SET_ERR_MSG(info, "key idx not 0-5");
1194 static struct cfg80211_cached_keys *
1195 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1196 struct genl_info *info, bool *no_ht)
1198 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1199 struct key_parse parse;
1201 struct cfg80211_cached_keys *result;
1202 int rem, err, def = 0;
1203 bool have_key = false;
1205 nla_for_each_nested(key, keys, rem) {
1213 result = kzalloc(sizeof(*result), GFP_KERNEL);
1215 return ERR_PTR(-ENOMEM);
1219 nla_for_each_nested(key, keys, rem) {
1220 memset(&parse, 0, sizeof(parse));
1223 err = nl80211_parse_key_new(info, key, &parse);
1229 if (parse.idx < 0 || parse.idx > 3) {
1230 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1235 GENL_SET_ERR_MSG(info,
1236 "only one key can be default");
1240 result->def = parse.idx;
1241 if (!parse.def_uni || !parse.def_multi)
1243 } else if (parse.defmgmt)
1245 err = cfg80211_validate_key_settings(rdev, &parse.p,
1246 parse.idx, false, NULL);
1249 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1250 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1251 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1255 result->params[parse.idx].cipher = parse.p.cipher;
1256 result->params[parse.idx].key_len = parse.p.key_len;
1257 result->params[parse.idx].key = result->data[parse.idx];
1258 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1260 /* must be WEP key if we got here */
1265 if (result->def < 0) {
1267 GENL_SET_ERR_MSG(info, "need a default/TX key");
1274 return ERR_PTR(err);
1277 static int nl80211_key_allowed(struct wireless_dev *wdev)
1279 ASSERT_WDEV_LOCK(wdev);
1281 switch (wdev->iftype) {
1282 case NL80211_IFTYPE_AP:
1283 case NL80211_IFTYPE_AP_VLAN:
1284 case NL80211_IFTYPE_P2P_GO:
1285 case NL80211_IFTYPE_MESH_POINT:
1287 case NL80211_IFTYPE_ADHOC:
1288 case NL80211_IFTYPE_STATION:
1289 case NL80211_IFTYPE_P2P_CLIENT:
1290 if (!wdev->current_bss)
1293 case NL80211_IFTYPE_UNSPECIFIED:
1294 case NL80211_IFTYPE_OCB:
1295 case NL80211_IFTYPE_MONITOR:
1296 case NL80211_IFTYPE_NAN:
1297 case NL80211_IFTYPE_P2P_DEVICE:
1298 case NL80211_IFTYPE_WDS:
1299 case NUM_NL80211_IFTYPES:
1306 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1309 struct ieee80211_channel *chan;
1313 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
1314 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1319 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1321 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1325 goto nla_put_failure;
1329 if ((ifmodes & 1) && nla_put_flag(msg, i))
1330 goto nla_put_failure;
1335 nla_nest_end(msg, nl_modes);
1342 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1343 struct sk_buff *msg,
1346 struct nlattr *nl_combis;
1349 nl_combis = nla_nest_start_noflag(msg,
1350 NL80211_ATTR_INTERFACE_COMBINATIONS);
1352 goto nla_put_failure;
1354 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1355 const struct ieee80211_iface_combination *c;
1356 struct nlattr *nl_combi, *nl_limits;
1358 c = &wiphy->iface_combinations[i];
1360 nl_combi = nla_nest_start_noflag(msg, i + 1);
1362 goto nla_put_failure;
1364 nl_limits = nla_nest_start_noflag(msg,
1365 NL80211_IFACE_COMB_LIMITS);
1367 goto nla_put_failure;
1369 for (j = 0; j < c->n_limits; j++) {
1370 struct nlattr *nl_limit;
1372 nl_limit = nla_nest_start_noflag(msg, j + 1);
1374 goto nla_put_failure;
1375 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1377 goto nla_put_failure;
1378 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1379 c->limits[j].types))
1380 goto nla_put_failure;
1381 nla_nest_end(msg, nl_limit);
1384 nla_nest_end(msg, nl_limits);
1386 if (c->beacon_int_infra_match &&
1387 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1388 goto nla_put_failure;
1389 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1390 c->num_different_channels) ||
1391 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1393 goto nla_put_failure;
1395 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1396 c->radar_detect_widths) ||
1397 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1398 c->radar_detect_regions)))
1399 goto nla_put_failure;
1400 if (c->beacon_int_min_gcd &&
1401 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1402 c->beacon_int_min_gcd))
1403 goto nla_put_failure;
1405 nla_nest_end(msg, nl_combi);
1408 nla_nest_end(msg, nl_combis);
1416 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1417 struct sk_buff *msg)
1419 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1420 struct nlattr *nl_tcp;
1425 nl_tcp = nla_nest_start_noflag(msg,
1426 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1430 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1431 tcp->data_payload_max))
1434 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1435 tcp->data_payload_max))
1438 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1441 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1442 sizeof(*tcp->tok), tcp->tok))
1445 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1446 tcp->data_interval_max))
1449 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1450 tcp->wake_payload_max))
1453 nla_nest_end(msg, nl_tcp);
1457 static int nl80211_send_wowlan(struct sk_buff *msg,
1458 struct cfg80211_registered_device *rdev,
1461 struct nlattr *nl_wowlan;
1463 if (!rdev->wiphy.wowlan)
1466 nl_wowlan = nla_nest_start_noflag(msg,
1467 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1471 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1472 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1473 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1474 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1475 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1476 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1477 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1478 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1479 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1480 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1481 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1482 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1483 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1484 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1485 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1486 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1489 if (rdev->wiphy.wowlan->n_patterns) {
1490 struct nl80211_pattern_support pat = {
1491 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1492 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1493 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1494 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1497 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1502 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1503 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1504 rdev->wiphy.wowlan->max_nd_match_sets))
1507 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1510 nla_nest_end(msg, nl_wowlan);
1516 static int nl80211_send_coalesce(struct sk_buff *msg,
1517 struct cfg80211_registered_device *rdev)
1519 struct nl80211_coalesce_rule_support rule;
1521 if (!rdev->wiphy.coalesce)
1524 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1525 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1526 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1527 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1528 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1529 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1531 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1538 nl80211_send_iftype_data(struct sk_buff *msg,
1539 const struct ieee80211_sband_iftype_data *iftdata)
1541 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1543 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1544 iftdata->types_mask))
1547 if (he_cap->has_he) {
1548 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1549 sizeof(he_cap->he_cap_elem.mac_cap_info),
1550 he_cap->he_cap_elem.mac_cap_info) ||
1551 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1552 sizeof(he_cap->he_cap_elem.phy_cap_info),
1553 he_cap->he_cap_elem.phy_cap_info) ||
1554 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1555 sizeof(he_cap->he_mcs_nss_supp),
1556 &he_cap->he_mcs_nss_supp) ||
1557 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1558 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1565 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1566 struct ieee80211_supported_band *sband)
1568 struct nlattr *nl_rates, *nl_rate;
1569 struct ieee80211_rate *rate;
1573 if (sband->ht_cap.ht_supported &&
1574 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1575 sizeof(sband->ht_cap.mcs),
1576 &sband->ht_cap.mcs) ||
1577 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1578 sband->ht_cap.cap) ||
1579 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1580 sband->ht_cap.ampdu_factor) ||
1581 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1582 sband->ht_cap.ampdu_density)))
1586 if (sband->vht_cap.vht_supported &&
1587 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1588 sizeof(sband->vht_cap.vht_mcs),
1589 &sband->vht_cap.vht_mcs) ||
1590 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1591 sband->vht_cap.cap)))
1594 if (sband->n_iftype_data) {
1595 struct nlattr *nl_iftype_data =
1596 nla_nest_start_noflag(msg,
1597 NL80211_BAND_ATTR_IFTYPE_DATA);
1600 if (!nl_iftype_data)
1603 for (i = 0; i < sband->n_iftype_data; i++) {
1604 struct nlattr *iftdata;
1606 iftdata = nla_nest_start_noflag(msg, i + 1);
1610 err = nl80211_send_iftype_data(msg,
1611 &sband->iftype_data[i]);
1615 nla_nest_end(msg, iftdata);
1618 nla_nest_end(msg, nl_iftype_data);
1622 if (sband->edmg_cap.channels &&
1623 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1624 sband->edmg_cap.channels) ||
1625 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1626 sband->edmg_cap.bw_config)))
1631 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1635 for (i = 0; i < sband->n_bitrates; i++) {
1636 nl_rate = nla_nest_start_noflag(msg, i);
1640 rate = &sband->bitrates[i];
1641 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1644 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1646 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1649 nla_nest_end(msg, nl_rate);
1652 nla_nest_end(msg, nl_rates);
1658 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1659 const struct ieee80211_txrx_stypes *mgmt_stypes)
1662 struct nlattr *nl_ftypes, *nl_ifs;
1663 enum nl80211_iftype ift;
1669 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1673 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1674 nl_ftypes = nla_nest_start_noflag(msg, ift);
1678 stypes = mgmt_stypes[ift].tx;
1681 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1682 (i << 4) | IEEE80211_FTYPE_MGMT))
1687 nla_nest_end(msg, nl_ftypes);
1690 nla_nest_end(msg, nl_ifs);
1692 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1696 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1697 nl_ftypes = nla_nest_start_noflag(msg, ift);
1701 stypes = mgmt_stypes[ift].rx;
1704 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1705 (i << 4) | IEEE80211_FTYPE_MGMT))
1710 nla_nest_end(msg, nl_ftypes);
1712 nla_nest_end(msg, nl_ifs);
1717 #define CMD(op, n) \
1719 if (rdev->ops->op) { \
1721 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1722 goto nla_put_failure; \
1726 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1727 struct sk_buff *msg)
1732 * do *NOT* add anything into this function, new things need to be
1733 * advertised only to new versions of userspace that can deal with
1734 * the split (and they can't possibly care about new features...
1736 CMD(add_virtual_intf, NEW_INTERFACE);
1737 CMD(change_virtual_intf, SET_INTERFACE);
1738 CMD(add_key, NEW_KEY);
1739 CMD(start_ap, START_AP);
1740 CMD(add_station, NEW_STATION);
1741 CMD(add_mpath, NEW_MPATH);
1742 CMD(update_mesh_config, SET_MESH_CONFIG);
1743 CMD(change_bss, SET_BSS);
1744 CMD(auth, AUTHENTICATE);
1745 CMD(assoc, ASSOCIATE);
1746 CMD(deauth, DEAUTHENTICATE);
1747 CMD(disassoc, DISASSOCIATE);
1748 CMD(join_ibss, JOIN_IBSS);
1749 CMD(join_mesh, JOIN_MESH);
1750 CMD(set_pmksa, SET_PMKSA);
1751 CMD(del_pmksa, DEL_PMKSA);
1752 CMD(flush_pmksa, FLUSH_PMKSA);
1753 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1754 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1755 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1756 CMD(mgmt_tx, FRAME);
1757 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1758 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1760 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1761 goto nla_put_failure;
1763 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1764 rdev->ops->join_mesh) {
1766 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1767 goto nla_put_failure;
1769 CMD(set_wds_peer, SET_WDS_PEER);
1770 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1771 CMD(tdls_mgmt, TDLS_MGMT);
1772 CMD(tdls_oper, TDLS_OPER);
1774 if (rdev->wiphy.max_sched_scan_reqs)
1775 CMD(sched_scan_start, START_SCHED_SCAN);
1776 CMD(probe_client, PROBE_CLIENT);
1777 CMD(set_noack_map, SET_NOACK_MAP);
1778 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1780 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1781 goto nla_put_failure;
1783 CMD(start_p2p_device, START_P2P_DEVICE);
1784 CMD(set_mcast_rate, SET_MCAST_RATE);
1785 #ifdef CONFIG_NL80211_TESTMODE
1786 CMD(testmode_cmd, TESTMODE);
1789 if (rdev->ops->connect || rdev->ops->auth) {
1791 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1792 goto nla_put_failure;
1795 if (rdev->ops->disconnect || rdev->ops->deauth) {
1797 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1798 goto nla_put_failure;
1807 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1808 struct sk_buff *msg)
1812 if (!cap->ftm.supported)
1815 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
1819 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1821 if (cap->ftm.non_asap &&
1822 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1824 if (cap->ftm.request_lci &&
1825 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1827 if (cap->ftm.request_civicloc &&
1828 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1830 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1831 cap->ftm.preambles))
1833 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1834 cap->ftm.bandwidths))
1836 if (cap->ftm.max_bursts_exponent >= 0 &&
1837 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1838 cap->ftm.max_bursts_exponent))
1840 if (cap->ftm.max_ftms_per_burst &&
1841 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1842 cap->ftm.max_ftms_per_burst))
1845 nla_nest_end(msg, ftm);
1849 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1850 struct sk_buff *msg)
1852 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1853 struct nlattr *pmsr, *caps;
1859 * we don't need to clean up anything here since the caller
1860 * will genlmsg_cancel() if we fail
1863 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
1867 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
1870 if (cap->report_ap_tsf &&
1871 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
1874 if (cap->randomize_mac_addr &&
1875 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
1878 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
1882 if (nl80211_send_pmsr_ftm_capa(cap, msg))
1885 nla_nest_end(msg, caps);
1886 nla_nest_end(msg, pmsr);
1891 struct nl80211_dump_wiphy_state {
1894 long split_start, band_start, chan_start, capa_start;
1898 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
1899 enum nl80211_commands cmd,
1900 struct sk_buff *msg, u32 portid, u32 seq,
1901 int flags, struct nl80211_dump_wiphy_state *state)
1904 struct nlattr *nl_bands, *nl_band;
1905 struct nlattr *nl_freqs, *nl_freq;
1906 struct nlattr *nl_cmds;
1907 enum nl80211_band band;
1908 struct ieee80211_channel *chan;
1910 const struct ieee80211_txrx_stypes *mgmt_stypes =
1911 rdev->wiphy.mgmt_stypes;
1914 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
1918 if (WARN_ON(!state))
1921 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
1922 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1923 wiphy_name(&rdev->wiphy)) ||
1924 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1925 cfg80211_rdev_list_generation))
1926 goto nla_put_failure;
1928 if (cmd != NL80211_CMD_NEW_WIPHY)
1931 switch (state->split_start) {
1933 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1934 rdev->wiphy.retry_short) ||
1935 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1936 rdev->wiphy.retry_long) ||
1937 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1938 rdev->wiphy.frag_threshold) ||
1939 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1940 rdev->wiphy.rts_threshold) ||
1941 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1942 rdev->wiphy.coverage_class) ||
1943 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1944 rdev->wiphy.max_scan_ssids) ||
1945 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1946 rdev->wiphy.max_sched_scan_ssids) ||
1947 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1948 rdev->wiphy.max_scan_ie_len) ||
1949 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1950 rdev->wiphy.max_sched_scan_ie_len) ||
1951 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1952 rdev->wiphy.max_match_sets) ||
1953 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
1954 rdev->wiphy.max_sched_scan_plans) ||
1955 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
1956 rdev->wiphy.max_sched_scan_plan_interval) ||
1957 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
1958 rdev->wiphy.max_sched_scan_plan_iterations))
1959 goto nla_put_failure;
1961 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1962 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1963 goto nla_put_failure;
1964 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1965 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1966 goto nla_put_failure;
1967 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1968 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1969 goto nla_put_failure;
1970 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1971 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1972 goto nla_put_failure;
1973 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1974 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1975 goto nla_put_failure;
1976 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1977 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1978 goto nla_put_failure;
1979 state->split_start++;
1984 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1985 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1986 rdev->wiphy.cipher_suites))
1987 goto nla_put_failure;
1989 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1990 rdev->wiphy.max_num_pmkids))
1991 goto nla_put_failure;
1993 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1994 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1995 goto nla_put_failure;
1997 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1998 rdev->wiphy.available_antennas_tx) ||
1999 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2000 rdev->wiphy.available_antennas_rx))
2001 goto nla_put_failure;
2003 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2004 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2005 rdev->wiphy.probe_resp_offload))
2006 goto nla_put_failure;
2008 if ((rdev->wiphy.available_antennas_tx ||
2009 rdev->wiphy.available_antennas_rx) &&
2010 rdev->ops->get_antenna) {
2011 u32 tx_ant = 0, rx_ant = 0;
2014 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2016 if (nla_put_u32(msg,
2017 NL80211_ATTR_WIPHY_ANTENNA_TX,
2020 NL80211_ATTR_WIPHY_ANTENNA_RX,
2022 goto nla_put_failure;
2026 state->split_start++;
2031 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2032 rdev->wiphy.interface_modes))
2033 goto nla_put_failure;
2034 state->split_start++;
2039 nl_bands = nla_nest_start_noflag(msg,
2040 NL80211_ATTR_WIPHY_BANDS);
2042 goto nla_put_failure;
2044 for (band = state->band_start;
2045 band < NUM_NL80211_BANDS; band++) {
2046 struct ieee80211_supported_band *sband;
2048 sband = rdev->wiphy.bands[band];
2053 nl_band = nla_nest_start_noflag(msg, band);
2055 goto nla_put_failure;
2057 switch (state->chan_start) {
2059 if (nl80211_send_band_rateinfo(msg, sband))
2060 goto nla_put_failure;
2061 state->chan_start++;
2066 /* add frequencies */
2067 nl_freqs = nla_nest_start_noflag(msg,
2068 NL80211_BAND_ATTR_FREQS);
2070 goto nla_put_failure;
2072 for (i = state->chan_start - 1;
2073 i < sband->n_channels;
2075 nl_freq = nla_nest_start_noflag(msg,
2078 goto nla_put_failure;
2080 chan = &sband->channels[i];
2082 if (nl80211_msg_put_channel(
2083 msg, &rdev->wiphy, chan,
2085 goto nla_put_failure;
2087 nla_nest_end(msg, nl_freq);
2091 if (i < sband->n_channels)
2092 state->chan_start = i + 2;
2094 state->chan_start = 0;
2095 nla_nest_end(msg, nl_freqs);
2098 nla_nest_end(msg, nl_band);
2101 /* start again here */
2102 if (state->chan_start)
2107 nla_nest_end(msg, nl_bands);
2109 if (band < NUM_NL80211_BANDS)
2110 state->band_start = band + 1;
2112 state->band_start = 0;
2114 /* if bands & channels are done, continue outside */
2115 if (state->band_start == 0 && state->chan_start == 0)
2116 state->split_start++;
2121 nl_cmds = nla_nest_start_noflag(msg,
2122 NL80211_ATTR_SUPPORTED_COMMANDS);
2124 goto nla_put_failure;
2126 i = nl80211_add_commands_unsplit(rdev, msg);
2128 goto nla_put_failure;
2130 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2131 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2132 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2133 CMD(channel_switch, CHANNEL_SWITCH);
2134 CMD(set_qos_map, SET_QOS_MAP);
2135 if (rdev->wiphy.features &
2136 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2137 CMD(add_tx_ts, ADD_TX_TS);
2138 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2139 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2140 CMD(update_ft_ies, UPDATE_FT_IES);
2144 nla_nest_end(msg, nl_cmds);
2145 state->split_start++;
2150 if (rdev->ops->remain_on_channel &&
2151 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2153 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2154 rdev->wiphy.max_remain_on_channel_duration))
2155 goto nla_put_failure;
2157 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2158 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2159 goto nla_put_failure;
2161 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2162 goto nla_put_failure;
2163 state->split_start++;
2169 if (nl80211_send_wowlan(msg, rdev, state->split))
2170 goto nla_put_failure;
2171 state->split_start++;
2175 state->split_start++;
2179 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2180 rdev->wiphy.software_iftypes))
2181 goto nla_put_failure;
2183 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2185 goto nla_put_failure;
2187 state->split_start++;
2192 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2193 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2194 rdev->wiphy.ap_sme_capa))
2195 goto nla_put_failure;
2197 features = rdev->wiphy.features;
2199 * We can only add the per-channel limit information if the
2200 * dump is split, otherwise it makes it too big. Therefore
2201 * only advertise it in that case.
2204 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2205 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2206 goto nla_put_failure;
2208 if (rdev->wiphy.ht_capa_mod_mask &&
2209 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2210 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2211 rdev->wiphy.ht_capa_mod_mask))
2212 goto nla_put_failure;
2214 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2215 rdev->wiphy.max_acl_mac_addrs &&
2216 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2217 rdev->wiphy.max_acl_mac_addrs))
2218 goto nla_put_failure;
2221 * Any information below this point is only available to
2222 * applications that can deal with it being split. This
2223 * helps ensure that newly added capabilities don't break
2224 * older tools by overrunning their buffers.
2226 * We still increment split_start so that in the split
2227 * case we'll continue with more data in the next round,
2228 * but break unconditionally so unsplit data stops here.
2231 state->split_start++;
2233 state->split_start = 0;
2236 if (rdev->wiphy.extended_capabilities &&
2237 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2238 rdev->wiphy.extended_capabilities_len,
2239 rdev->wiphy.extended_capabilities) ||
2240 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2241 rdev->wiphy.extended_capabilities_len,
2242 rdev->wiphy.extended_capabilities_mask)))
2243 goto nla_put_failure;
2245 if (rdev->wiphy.vht_capa_mod_mask &&
2246 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2247 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2248 rdev->wiphy.vht_capa_mod_mask))
2249 goto nla_put_failure;
2251 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2252 rdev->wiphy.perm_addr))
2253 goto nla_put_failure;
2255 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2256 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2257 rdev->wiphy.addr_mask))
2258 goto nla_put_failure;
2260 if (rdev->wiphy.n_addresses > 1) {
2263 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2265 goto nla_put_failure;
2267 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2268 if (nla_put(msg, i + 1, ETH_ALEN,
2269 rdev->wiphy.addresses[i].addr))
2270 goto nla_put_failure;
2272 nla_nest_end(msg, attr);
2275 state->split_start++;
2278 if (nl80211_send_coalesce(msg, rdev))
2279 goto nla_put_failure;
2281 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2282 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2283 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2284 goto nla_put_failure;
2286 if (rdev->wiphy.max_ap_assoc_sta &&
2287 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2288 rdev->wiphy.max_ap_assoc_sta))
2289 goto nla_put_failure;
2291 state->split_start++;
2294 if (rdev->wiphy.n_vendor_commands) {
2295 const struct nl80211_vendor_cmd_info *info;
2296 struct nlattr *nested;
2298 nested = nla_nest_start_noflag(msg,
2299 NL80211_ATTR_VENDOR_DATA);
2301 goto nla_put_failure;
2303 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2304 info = &rdev->wiphy.vendor_commands[i].info;
2305 if (nla_put(msg, i + 1, sizeof(*info), info))
2306 goto nla_put_failure;
2308 nla_nest_end(msg, nested);
2311 if (rdev->wiphy.n_vendor_events) {
2312 const struct nl80211_vendor_cmd_info *info;
2313 struct nlattr *nested;
2315 nested = nla_nest_start_noflag(msg,
2316 NL80211_ATTR_VENDOR_EVENTS);
2318 goto nla_put_failure;
2320 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2321 info = &rdev->wiphy.vendor_events[i];
2322 if (nla_put(msg, i + 1, sizeof(*info), info))
2323 goto nla_put_failure;
2325 nla_nest_end(msg, nested);
2327 state->split_start++;
2330 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2331 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2332 rdev->wiphy.max_num_csa_counters))
2333 goto nla_put_failure;
2335 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2336 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2337 goto nla_put_failure;
2339 if (rdev->wiphy.max_sched_scan_reqs &&
2340 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2341 rdev->wiphy.max_sched_scan_reqs))
2342 goto nla_put_failure;
2344 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2345 sizeof(rdev->wiphy.ext_features),
2346 rdev->wiphy.ext_features))
2347 goto nla_put_failure;
2349 if (rdev->wiphy.bss_select_support) {
2350 struct nlattr *nested;
2351 u32 bss_select_support = rdev->wiphy.bss_select_support;
2353 nested = nla_nest_start_noflag(msg,
2354 NL80211_ATTR_BSS_SELECT);
2356 goto nla_put_failure;
2359 while (bss_select_support) {
2360 if ((bss_select_support & 1) &&
2361 nla_put_flag(msg, i))
2362 goto nla_put_failure;
2364 bss_select_support >>= 1;
2366 nla_nest_end(msg, nested);
2369 state->split_start++;
2372 if (rdev->wiphy.num_iftype_ext_capab &&
2373 rdev->wiphy.iftype_ext_capab) {
2374 struct nlattr *nested_ext_capab, *nested;
2376 nested = nla_nest_start_noflag(msg,
2377 NL80211_ATTR_IFTYPE_EXT_CAPA);
2379 goto nla_put_failure;
2381 for (i = state->capa_start;
2382 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2383 const struct wiphy_iftype_ext_capab *capab;
2385 capab = &rdev->wiphy.iftype_ext_capab[i];
2387 nested_ext_capab = nla_nest_start_noflag(msg,
2389 if (!nested_ext_capab ||
2390 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2392 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2393 capab->extended_capabilities_len,
2394 capab->extended_capabilities) ||
2395 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2396 capab->extended_capabilities_len,
2397 capab->extended_capabilities_mask))
2398 goto nla_put_failure;
2400 nla_nest_end(msg, nested_ext_capab);
2404 nla_nest_end(msg, nested);
2405 if (i < rdev->wiphy.num_iftype_ext_capab) {
2406 state->capa_start = i + 1;
2411 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2412 rdev->wiphy.nan_supported_bands))
2413 goto nla_put_failure;
2415 if (wiphy_ext_feature_isset(&rdev->wiphy,
2416 NL80211_EXT_FEATURE_TXQS)) {
2417 struct cfg80211_txq_stats txqstats = {};
2420 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2422 !nl80211_put_txq_stats(msg, &txqstats,
2423 NL80211_ATTR_TXQ_STATS))
2424 goto nla_put_failure;
2426 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2427 rdev->wiphy.txq_limit))
2428 goto nla_put_failure;
2429 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2430 rdev->wiphy.txq_memory_limit))
2431 goto nla_put_failure;
2432 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2433 rdev->wiphy.txq_quantum))
2434 goto nla_put_failure;
2437 state->split_start++;
2440 if (nl80211_send_pmsr_capa(rdev, msg))
2441 goto nla_put_failure;
2443 state->split_start++;
2446 if (rdev->wiphy.akm_suites &&
2447 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2448 sizeof(u32) * rdev->wiphy.n_akm_suites,
2449 rdev->wiphy.akm_suites))
2450 goto nla_put_failure;
2453 state->split_start = 0;
2457 genlmsg_end(msg, hdr);
2461 genlmsg_cancel(msg, hdr);
2465 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2466 struct netlink_callback *cb,
2467 struct nl80211_dump_wiphy_state *state)
2469 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2475 ret = nlmsg_parse_deprecated(cb->nlh,
2476 GENL_HDRLEN + nl80211_fam.hdrsize,
2477 tb, nl80211_fam.maxattr,
2478 nl80211_policy, NULL);
2479 /* ignore parse errors for backward compatibility */
2485 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2486 if (tb[NL80211_ATTR_WIPHY])
2487 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2488 if (tb[NL80211_ATTR_WDEV])
2489 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2490 if (tb[NL80211_ATTR_IFINDEX]) {
2491 struct net_device *netdev;
2492 struct cfg80211_registered_device *rdev;
2493 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2495 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2500 if (netdev->ieee80211_ptr) {
2501 rdev = wiphy_to_rdev(
2502 netdev->ieee80211_ptr->wiphy);
2503 state->filter_wiphy = rdev->wiphy_idx;
2513 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2516 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2517 struct cfg80211_registered_device *rdev;
2521 state = kzalloc(sizeof(*state), GFP_KERNEL);
2526 state->filter_wiphy = -1;
2527 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2533 cb->args[0] = (long)state;
2536 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2537 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2539 if (++idx <= state->start)
2541 if (state->filter_wiphy != -1 &&
2542 state->filter_wiphy != rdev->wiphy_idx)
2544 /* attempt to fit multiple wiphy data chunks into the skb */
2546 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2548 NETLINK_CB(cb->skb).portid,
2550 NLM_F_MULTI, state);
2553 * If sending the wiphy data didn't fit (ENOBUFS
2554 * or EMSGSIZE returned), this SKB is still
2555 * empty (so it's not too big because another
2556 * wiphy dataset is already in the skb) and
2557 * we've not tried to adjust the dump allocation
2558 * yet ... then adjust the alloc size to be
2559 * bigger, and return 1 but with the empty skb.
2560 * This results in an empty message being RX'ed
2561 * in userspace, but that is ignored.
2563 * We can then retry with the larger buffer.
2565 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2566 !skb->len && !state->split &&
2567 cb->min_dump_alloc < 4096) {
2568 cb->min_dump_alloc = 4096;
2569 state->split_start = 0;
2576 } while (state->split_start > 0);
2586 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2588 kfree((void *)cb->args[0]);
2592 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2594 struct sk_buff *msg;
2595 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2596 struct nl80211_dump_wiphy_state state = {};
2598 msg = nlmsg_new(4096, GFP_KERNEL);
2602 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2603 info->snd_portid, info->snd_seq, 0,
2609 return genlmsg_reply(msg, info);
2612 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2613 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2614 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2615 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2616 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2617 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2620 static int parse_txq_params(struct nlattr *tb[],
2621 struct ieee80211_txq_params *txq_params)
2625 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2626 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2627 !tb[NL80211_TXQ_ATTR_AIFS])
2630 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2631 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2632 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2633 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2634 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2636 if (ac >= NL80211_NUM_ACS)
2638 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2642 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2645 * You can only set the channel explicitly for WDS interfaces,
2646 * all others have their channel managed via their respective
2647 * "establish a connection" command (connect, join, ...)
2649 * For AP/GO and mesh mode, the channel can be set with the
2650 * channel userspace API, but is only stored and passed to the
2651 * low-level driver when the AP starts or the mesh is joined.
2652 * This is for backward compatibility, userspace can also give
2653 * the channel in the start-ap or join-mesh commands instead.
2655 * Monitors are special as they are normally slaved to
2656 * whatever else is going on, so they have their own special
2657 * operation to set the monitor channel if possible.
2660 wdev->iftype == NL80211_IFTYPE_AP ||
2661 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2662 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2663 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2666 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2667 struct genl_info *info,
2668 struct cfg80211_chan_def *chandef)
2670 struct netlink_ext_ack *extack = info->extack;
2671 struct nlattr **attrs = info->attrs;
2674 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
2677 control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);
2679 memset(chandef, 0, sizeof(*chandef));
2681 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
2682 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2683 chandef->center_freq1 = control_freq;
2684 chandef->center_freq2 = 0;
2686 /* Primary channel not allowed */
2687 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2688 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2689 "Channel is disabled");
2693 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2694 enum nl80211_channel_type chantype;
2696 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2699 case NL80211_CHAN_NO_HT:
2700 case NL80211_CHAN_HT20:
2701 case NL80211_CHAN_HT40PLUS:
2702 case NL80211_CHAN_HT40MINUS:
2703 cfg80211_chandef_create(chandef, chandef->chan,
2705 /* user input for center_freq is incorrect */
2706 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
2707 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
2708 NL_SET_ERR_MSG_ATTR(extack,
2709 attrs[NL80211_ATTR_CENTER_FREQ1],
2710 "bad center frequency 1");
2713 /* center_freq2 must be zero */
2714 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
2715 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
2716 NL_SET_ERR_MSG_ATTR(extack,
2717 attrs[NL80211_ATTR_CENTER_FREQ2],
2718 "center frequency 2 can't be used");
2723 NL_SET_ERR_MSG_ATTR(extack,
2724 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2725 "invalid channel type");
2728 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
2730 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2731 if (attrs[NL80211_ATTR_CENTER_FREQ1])
2732 chandef->center_freq1 =
2733 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
2734 if (attrs[NL80211_ATTR_CENTER_FREQ2])
2735 chandef->center_freq2 =
2736 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
2739 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
2740 chandef->edmg.channels =
2741 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
2743 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
2744 chandef->edmg.bw_config =
2745 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
2747 chandef->edmg.bw_config = 0;
2748 chandef->edmg.channels = 0;
2751 if (!cfg80211_chandef_valid(chandef)) {
2752 NL_SET_ERR_MSG(extack, "invalid channel definition");
2756 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
2757 IEEE80211_CHAN_DISABLED)) {
2758 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
2762 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2763 chandef->width == NL80211_CHAN_WIDTH_10) &&
2764 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
2765 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2772 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
2773 struct net_device *dev,
2774 struct genl_info *info)
2776 struct cfg80211_chan_def chandef;
2778 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
2779 struct wireless_dev *wdev = NULL;
2782 wdev = dev->ieee80211_ptr;
2783 if (!nl80211_can_set_dev_channel(wdev))
2786 iftype = wdev->iftype;
2788 result = nl80211_parse_chandef(rdev, info, &chandef);
2793 case NL80211_IFTYPE_AP:
2794 case NL80211_IFTYPE_P2P_GO:
2795 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2800 if (wdev->beacon_interval) {
2801 if (!dev || !rdev->ops->set_ap_chanwidth ||
2802 !(rdev->wiphy.features &
2803 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2808 /* Only allow dynamic channel width changes */
2809 if (chandef.chan != wdev->preset_chandef.chan) {
2813 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2817 wdev->preset_chandef = chandef;
2820 case NL80211_IFTYPE_MESH_POINT:
2821 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
2823 case NL80211_IFTYPE_MONITOR:
2824 result = cfg80211_set_monitor_channel(rdev, &chandef);
2833 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2835 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2836 struct net_device *netdev = info->user_ptr[1];
2838 return __nl80211_set_channel(rdev, netdev, info);
2841 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2843 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2844 struct net_device *dev = info->user_ptr[1];
2845 struct wireless_dev *wdev = dev->ieee80211_ptr;
2848 if (!info->attrs[NL80211_ATTR_MAC])
2851 if (netif_running(dev))
2854 if (!rdev->ops->set_wds_peer)
2857 if (wdev->iftype != NL80211_IFTYPE_WDS)
2860 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
2861 return rdev_set_wds_peer(rdev, dev, bssid);
2864 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2866 struct cfg80211_registered_device *rdev;
2867 struct net_device *netdev = NULL;
2868 struct wireless_dev *wdev;
2869 int result = 0, rem_txq_params = 0;
2870 struct nlattr *nl_txq_params;
2872 u8 retry_short = 0, retry_long = 0;
2873 u32 frag_threshold = 0, rts_threshold = 0;
2874 u8 coverage_class = 0;
2875 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
2880 * Try to find the wiphy and netdev. Normally this
2881 * function shouldn't need the netdev, but this is
2882 * done for backward compatibility -- previously
2883 * setting the channel was done per wiphy, but now
2884 * it is per netdev. Previous userland like hostapd
2885 * also passed a netdev to set_wiphy, so that it is
2886 * possible to let that go to the right netdev!
2889 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2890 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2892 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
2893 if (netdev && netdev->ieee80211_ptr)
2894 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
2900 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2903 return PTR_ERR(rdev);
2908 wdev = netdev->ieee80211_ptr;
2911 * end workaround code, by now the rdev is available
2912 * and locked, and wdev may or may not be NULL.
2915 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
2916 result = cfg80211_dev_rename(
2917 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
2922 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2923 struct ieee80211_txq_params txq_params;
2924 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2926 if (!rdev->ops->set_txq_params)
2932 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2933 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2936 if (!netif_running(netdev))
2939 nla_for_each_nested(nl_txq_params,
2940 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2942 result = nla_parse_nested_deprecated(tb,
2943 NL80211_TXQ_ATTR_MAX,
2949 result = parse_txq_params(tb, &txq_params);
2953 result = rdev_set_txq_params(rdev, netdev,
2960 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2961 result = __nl80211_set_channel(
2963 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2969 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2970 struct wireless_dev *txp_wdev = wdev;
2971 enum nl80211_tx_power_setting type;
2974 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2977 if (!rdev->ops->set_tx_power)
2980 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2981 type = nla_get_u32(info->attrs[idx]);
2983 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2984 (type != NL80211_TX_POWER_AUTOMATIC))
2987 if (type != NL80211_TX_POWER_AUTOMATIC) {
2988 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2989 mbm = nla_get_u32(info->attrs[idx]);
2992 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2997 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2998 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3001 if ((!rdev->wiphy.available_antennas_tx &&
3002 !rdev->wiphy.available_antennas_rx) ||
3003 !rdev->ops->set_antenna)
3006 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3007 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3009 /* reject antenna configurations which don't match the
3010 * available antenna masks, except for the "all" mask */
3011 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3012 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
3015 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3016 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3018 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3025 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3026 retry_short = nla_get_u8(
3027 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3029 changed |= WIPHY_PARAM_RETRY_SHORT;
3032 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3033 retry_long = nla_get_u8(
3034 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3036 changed |= WIPHY_PARAM_RETRY_LONG;
3039 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3040 frag_threshold = nla_get_u32(
3041 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3042 if (frag_threshold < 256)
3045 if (frag_threshold != (u32) -1) {
3047 * Fragments (apart from the last one) are required to
3048 * have even length. Make the fragmentation code
3049 * simpler by stripping LSB should someone try to use
3050 * odd threshold value.
3052 frag_threshold &= ~0x1;
3054 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3057 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3058 rts_threshold = nla_get_u32(
3059 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3060 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3063 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3064 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
3067 coverage_class = nla_get_u8(
3068 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3069 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3072 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3073 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
3076 changed |= WIPHY_PARAM_DYN_ACK;
3079 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3080 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3081 NL80211_EXT_FEATURE_TXQS))
3083 txq_limit = nla_get_u32(
3084 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3085 changed |= WIPHY_PARAM_TXQ_LIMIT;
3088 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3089 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3090 NL80211_EXT_FEATURE_TXQS))
3092 txq_memory_limit = nla_get_u32(
3093 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3094 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3097 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3098 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3099 NL80211_EXT_FEATURE_TXQS))
3101 txq_quantum = nla_get_u32(
3102 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3103 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3107 u8 old_retry_short, old_retry_long;
3108 u32 old_frag_threshold, old_rts_threshold;
3109 u8 old_coverage_class;
3110 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3112 if (!rdev->ops->set_wiphy_params)
3115 old_retry_short = rdev->wiphy.retry_short;
3116 old_retry_long = rdev->wiphy.retry_long;
3117 old_frag_threshold = rdev->wiphy.frag_threshold;
3118 old_rts_threshold = rdev->wiphy.rts_threshold;
3119 old_coverage_class = rdev->wiphy.coverage_class;
3120 old_txq_limit = rdev->wiphy.txq_limit;
3121 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3122 old_txq_quantum = rdev->wiphy.txq_quantum;
3124 if (changed & WIPHY_PARAM_RETRY_SHORT)
3125 rdev->wiphy.retry_short = retry_short;
3126 if (changed & WIPHY_PARAM_RETRY_LONG)
3127 rdev->wiphy.retry_long = retry_long;
3128 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3129 rdev->wiphy.frag_threshold = frag_threshold;
3130 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3131 rdev->wiphy.rts_threshold = rts_threshold;
3132 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3133 rdev->wiphy.coverage_class = coverage_class;
3134 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3135 rdev->wiphy.txq_limit = txq_limit;
3136 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3137 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3138 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3139 rdev->wiphy.txq_quantum = txq_quantum;
3141 result = rdev_set_wiphy_params(rdev, changed);
3143 rdev->wiphy.retry_short = old_retry_short;
3144 rdev->wiphy.retry_long = old_retry_long;
3145 rdev->wiphy.frag_threshold = old_frag_threshold;
3146 rdev->wiphy.rts_threshold = old_rts_threshold;
3147 rdev->wiphy.coverage_class = old_coverage_class;
3148 rdev->wiphy.txq_limit = old_txq_limit;
3149 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3150 rdev->wiphy.txq_quantum = old_txq_quantum;
3157 static int nl80211_send_chandef(struct sk_buff *msg,
3158 const struct cfg80211_chan_def *chandef)
3160 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3163 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3164 chandef->chan->center_freq))
3166 switch (chandef->width) {
3167 case NL80211_CHAN_WIDTH_20_NOHT:
3168 case NL80211_CHAN_WIDTH_20:
3169 case NL80211_CHAN_WIDTH_40:
3170 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3171 cfg80211_get_chandef_type(chandef)))
3177 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3179 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3181 if (chandef->center_freq2 &&
3182 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3187 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3188 struct cfg80211_registered_device *rdev,
3189 struct wireless_dev *wdev,
3190 enum nl80211_commands cmd)
3192 struct net_device *dev = wdev->netdev;
3195 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3196 cmd != NL80211_CMD_DEL_INTERFACE &&
3197 cmd != NL80211_CMD_SET_INTERFACE);
3199 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3204 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3205 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3206 goto nla_put_failure;
3208 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3209 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3210 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3211 NL80211_ATTR_PAD) ||
3212 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3213 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3214 rdev->devlist_generation ^
3215 (cfg80211_rdev_list_generation << 2)) ||
3216 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3217 goto nla_put_failure;
3219 if (rdev->ops->get_channel) {
3221 struct cfg80211_chan_def chandef = {};
3223 ret = rdev_get_channel(rdev, wdev, &chandef);
3225 if (nl80211_send_chandef(msg, &chandef))
3226 goto nla_put_failure;
3230 if (rdev->ops->get_tx_power) {
3233 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3235 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3237 goto nla_put_failure;
3241 switch (wdev->iftype) {
3242 case NL80211_IFTYPE_AP:
3243 case NL80211_IFTYPE_P2P_GO:
3244 if (wdev->ssid_len &&
3245 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3246 goto nla_put_failure_locked;
3248 case NL80211_IFTYPE_STATION:
3249 case NL80211_IFTYPE_P2P_CLIENT:
3250 case NL80211_IFTYPE_ADHOC: {
3252 if (!wdev->current_bss)
3255 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3258 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3259 goto nla_put_failure_rcu_locked;
3269 if (rdev->ops->get_txq_stats) {
3270 struct cfg80211_txq_stats txqstats = {};
3271 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3274 !nl80211_put_txq_stats(msg, &txqstats,
3275 NL80211_ATTR_TXQ_STATS))
3276 goto nla_put_failure;
3279 genlmsg_end(msg, hdr);
3282 nla_put_failure_rcu_locked:
3284 nla_put_failure_locked:
3287 genlmsg_cancel(msg, hdr);
3291 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3295 int wp_start = cb->args[0];
3296 int if_start = cb->args[1];
3297 int filter_wiphy = -1;
3298 struct cfg80211_registered_device *rdev;
3299 struct wireless_dev *wdev;
3304 struct nl80211_dump_wiphy_state state = {
3308 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3312 filter_wiphy = state.filter_wiphy;
3315 * if filtering, set cb->args[2] to +1 since 0 is the default
3316 * value needed to determine that parsing is necessary.
3318 if (filter_wiphy >= 0)
3319 cb->args[2] = filter_wiphy + 1;
3322 } else if (cb->args[2] > 0) {
3323 filter_wiphy = cb->args[2] - 1;
3326 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3327 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3329 if (wp_idx < wp_start) {
3334 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3339 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3340 if (if_idx < if_start) {
3344 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3345 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3347 NL80211_CMD_NEW_INTERFACE) < 0) {
3356 cb->args[0] = wp_idx;
3357 cb->args[1] = if_idx;
3366 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3368 struct sk_buff *msg;
3369 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3370 struct wireless_dev *wdev = info->user_ptr[1];
3372 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3376 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3377 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3382 return genlmsg_reply(msg, info);
3385 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3386 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3387 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3388 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3389 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3390 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3391 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3394 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3396 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3404 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3407 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3409 *mntrflags |= (1<<flag);
3411 *mntrflags |= MONITOR_FLAG_CHANGED;
3416 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3417 enum nl80211_iftype type,
3418 struct genl_info *info,
3419 struct vif_params *params)
3421 bool change = false;
3424 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3425 if (type != NL80211_IFTYPE_MONITOR)
3428 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3436 if (params->flags & MONITOR_FLAG_ACTIVE &&
3437 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3440 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3441 const u8 *mumimo_groups;
3442 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3444 if (type != NL80211_IFTYPE_MONITOR)
3447 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3451 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3453 /* bits 0 and 63 are reserved and must be zero */
3454 if ((mumimo_groups[0] & BIT(0)) ||
3455 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3458 params->vht_mumimo_groups = mumimo_groups;
3462 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3463 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3465 if (type != NL80211_IFTYPE_MONITOR)
3468 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3471 params->vht_mumimo_follow_addr =
3472 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3476 return change ? 1 : 0;
3479 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3480 struct net_device *netdev, u8 use_4addr,
3481 enum nl80211_iftype iftype)
3484 if (netdev && netif_is_bridge_port(netdev))
3490 case NL80211_IFTYPE_AP_VLAN:
3491 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3494 case NL80211_IFTYPE_STATION:
3495 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3505 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3507 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3508 struct vif_params params;
3510 enum nl80211_iftype otype, ntype;
3511 struct net_device *dev = info->user_ptr[1];
3512 bool change = false;
3514 memset(¶ms, 0, sizeof(params));
3516 otype = ntype = dev->ieee80211_ptr->iftype;
3518 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3519 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3524 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3525 struct wireless_dev *wdev = dev->ieee80211_ptr;
3527 if (ntype != NL80211_IFTYPE_MESH_POINT)
3529 if (netif_running(dev))
3533 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3534 IEEE80211_MAX_MESH_ID_LEN);
3535 wdev->mesh_id_up_len =
3536 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3537 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3538 wdev->mesh_id_up_len);
3542 if (info->attrs[NL80211_ATTR_4ADDR]) {
3543 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3545 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3549 params.use_4addr = -1;
3552 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3559 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3563 if (!err && params.use_4addr != -1)
3564 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3566 if (change && !err) {
3567 struct wireless_dev *wdev = dev->ieee80211_ptr;
3569 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3575 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3577 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3578 struct vif_params params;
3579 struct wireless_dev *wdev;
3580 struct sk_buff *msg;
3582 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3584 /* to avoid failing a new interface creation due to pending removal */
3585 cfg80211_destroy_ifaces(rdev);
3587 memset(¶ms, 0, sizeof(params));
3589 if (!info->attrs[NL80211_ATTR_IFNAME])
3592 if (info->attrs[NL80211_ATTR_IFTYPE])
3593 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3595 if (!rdev->ops->add_virtual_intf)
3598 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3599 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3600 info->attrs[NL80211_ATTR_MAC]) {
3601 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3603 if (!is_valid_ether_addr(params.macaddr))
3604 return -EADDRNOTAVAIL;
3607 if (info->attrs[NL80211_ATTR_4ADDR]) {
3608 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3609 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3614 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
3617 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3621 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3625 wdev = rdev_add_virtual_intf(rdev,
3626 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3627 NET_NAME_USER, type, ¶ms);
3628 if (WARN_ON(!wdev)) {
3631 } else if (IS_ERR(wdev)) {
3633 return PTR_ERR(wdev);
3636 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3637 wdev->owner_nlportid = info->snd_portid;
3640 case NL80211_IFTYPE_MESH_POINT:
3641 if (!info->attrs[NL80211_ATTR_MESH_ID])
3644 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3645 IEEE80211_MAX_MESH_ID_LEN);
3646 wdev->mesh_id_up_len =
3647 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3648 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3649 wdev->mesh_id_up_len);
3652 case NL80211_IFTYPE_NAN:
3653 case NL80211_IFTYPE_P2P_DEVICE:
3655 * P2P Device and NAN do not have a netdev, so don't go
3656 * through the netdev notifier and must be added here
3658 cfg80211_init_wdev(wdev);
3659 cfg80211_register_wdev(rdev, wdev);
3665 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3666 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3671 return genlmsg_reply(msg, info);
3674 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3676 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3677 struct wireless_dev *wdev = info->user_ptr[1];
3679 if (!rdev->ops->del_virtual_intf)
3683 * If we remove a wireless device without a netdev then clear
3684 * user_ptr[1] so that nl80211_post_doit won't dereference it
3685 * to check if it needs to do dev_put(). Otherwise it crashes
3686 * since the wdev has been freed, unlike with a netdev where
3687 * we need the dev_put() for the netdev to really be freed.
3690 info->user_ptr[1] = NULL;
3692 return rdev_del_virtual_intf(rdev, wdev);
3695 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3697 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3698 struct net_device *dev = info->user_ptr[1];
3701 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3704 if (!rdev->ops->set_noack_map)
3707 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3709 return rdev_set_noack_map(rdev, dev, noack_map);
3712 struct get_key_cookie {
3713 struct sk_buff *msg;
3718 static void get_key_callback(void *c, struct key_params *params)
3721 struct get_key_cookie *cookie = c;
3724 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3725 params->key_len, params->key)) ||
3727 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3728 params->seq_len, params->seq)) ||
3730 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3732 goto nla_put_failure;
3734 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
3736 goto nla_put_failure;
3739 nla_put(cookie->msg, NL80211_KEY_DATA,
3740 params->key_len, params->key)) ||
3742 nla_put(cookie->msg, NL80211_KEY_SEQ,
3743 params->seq_len, params->seq)) ||
3745 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3747 goto nla_put_failure;
3749 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
3750 goto nla_put_failure;
3752 nla_nest_end(cookie->msg, key);
3759 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3761 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3763 struct net_device *dev = info->user_ptr[1];
3765 const u8 *mac_addr = NULL;
3767 struct get_key_cookie cookie = {
3771 struct sk_buff *msg;
3773 if (info->attrs[NL80211_ATTR_KEY_IDX])
3774 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3776 if (info->attrs[NL80211_ATTR_MAC])
3777 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3779 pairwise = !!mac_addr;
3780 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3781 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
3783 if (kt != NL80211_KEYTYPE_GROUP &&
3784 kt != NL80211_KEYTYPE_PAIRWISE)
3786 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3789 if (!rdev->ops->get_key)
3792 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3795 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3799 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3800 NL80211_CMD_NEW_KEY);
3802 goto nla_put_failure;
3805 cookie.idx = key_idx;
3807 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3808 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3809 goto nla_put_failure;
3811 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3812 goto nla_put_failure;
3814 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3821 goto nla_put_failure;
3823 genlmsg_end(msg, hdr);
3824 return genlmsg_reply(msg, info);
3833 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3835 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3836 struct key_parse key;
3838 struct net_device *dev = info->user_ptr[1];
3840 err = nl80211_parse_key(info, &key);
3847 /* Only support setting default key and
3848 * Extended Key ID action NL80211_KEY_SET_TX.
3850 if (!key.def && !key.defmgmt &&
3851 !(key.p.mode == NL80211_KEY_SET_TX))
3854 wdev_lock(dev->ieee80211_ptr);
3857 if (!rdev->ops->set_default_key) {
3862 err = nl80211_key_allowed(dev->ieee80211_ptr);
3866 err = rdev_set_default_key(rdev, dev, key.idx,
3867 key.def_uni, key.def_multi);
3872 #ifdef CONFIG_CFG80211_WEXT
3873 dev->ieee80211_ptr->wext.default_key = key.idx;
3875 } else if (key.defmgmt) {
3876 if (key.def_uni || !key.def_multi) {
3881 if (!rdev->ops->set_default_mgmt_key) {
3886 err = nl80211_key_allowed(dev->ieee80211_ptr);
3890 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
3894 #ifdef CONFIG_CFG80211_WEXT
3895 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
3897 } else if (key.p.mode == NL80211_KEY_SET_TX &&
3898 wiphy_ext_feature_isset(&rdev->wiphy,
3899 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
3900 u8 *mac_addr = NULL;
3902 if (info->attrs[NL80211_ATTR_MAC])
3903 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3905 if (!mac_addr || key.idx < 0 || key.idx > 1) {
3910 err = rdev_add_key(rdev, dev, key.idx,
3911 NL80211_KEYTYPE_PAIRWISE,
3917 wdev_unlock(dev->ieee80211_ptr);
3922 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3924 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3926 struct net_device *dev = info->user_ptr[1];
3927 struct key_parse key;
3928 const u8 *mac_addr = NULL;
3930 err = nl80211_parse_key(info, &key);
3937 if (info->attrs[NL80211_ATTR_MAC])
3938 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3940 if (key.type == -1) {
3942 key.type = NL80211_KEYTYPE_PAIRWISE;
3944 key.type = NL80211_KEYTYPE_GROUP;
3948 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3949 key.type != NL80211_KEYTYPE_GROUP)
3952 if (!rdev->ops->add_key)
3955 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3956 key.type == NL80211_KEYTYPE_PAIRWISE,
3960 wdev_lock(dev->ieee80211_ptr);
3961 err = nl80211_key_allowed(dev->ieee80211_ptr);
3963 err = rdev_add_key(rdev, dev, key.idx,
3964 key.type == NL80211_KEYTYPE_PAIRWISE,
3966 wdev_unlock(dev->ieee80211_ptr);
3971 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3973 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3975 struct net_device *dev = info->user_ptr[1];
3976 u8 *mac_addr = NULL;
3977 struct key_parse key;
3979 err = nl80211_parse_key(info, &key);
3983 if (info->attrs[NL80211_ATTR_MAC])
3984 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3986 if (key.type == -1) {
3988 key.type = NL80211_KEYTYPE_PAIRWISE;
3990 key.type = NL80211_KEYTYPE_GROUP;
3994 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3995 key.type != NL80211_KEYTYPE_GROUP)
3998 if (!cfg80211_valid_key_idx(rdev, key.idx,
3999 key.type == NL80211_KEYTYPE_PAIRWISE))
4002 if (!rdev->ops->del_key)
4005 wdev_lock(dev->ieee80211_ptr);
4006 err = nl80211_key_allowed(dev->ieee80211_ptr);
4008 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4009 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4013 err = rdev_del_key(rdev, dev, key.idx,
4014 key.type == NL80211_KEYTYPE_PAIRWISE,
4017 #ifdef CONFIG_CFG80211_WEXT
4019 if (key.idx == dev->ieee80211_ptr->wext.default_key)
4020 dev->ieee80211_ptr->wext.default_key = -1;
4021 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
4022 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4025 wdev_unlock(dev->ieee80211_ptr);
4030 /* This function returns an error or the number of nested attributes */
4031 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4033 struct nlattr *attr;
4034 int n_entries = 0, tmp;
4036 nla_for_each_nested(attr, nl_attr, tmp) {
4037 if (nla_len(attr) != ETH_ALEN)
4047 * This function parses ACL information and allocates memory for ACL data.
4048 * On successful return, the calling function is responsible to free the
4049 * ACL buffer returned by this function.
4051 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4052 struct genl_info *info)
4054 enum nl80211_acl_policy acl_policy;
4055 struct nlattr *attr;
4056 struct cfg80211_acl_data *acl;
4057 int i = 0, n_entries, tmp;
4059 if (!wiphy->max_acl_mac_addrs)
4060 return ERR_PTR(-EOPNOTSUPP);
4062 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4063 return ERR_PTR(-EINVAL);
4065 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4066 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4067 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4068 return ERR_PTR(-EINVAL);
4070 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4071 return ERR_PTR(-EINVAL);
4073 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4075 return ERR_PTR(n_entries);
4077 if (n_entries > wiphy->max_acl_mac_addrs)
4078 return ERR_PTR(-ENOTSUPP);
4080 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4082 return ERR_PTR(-ENOMEM);
4084 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4085 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4089 acl->n_acl_entries = n_entries;
4090 acl->acl_policy = acl_policy;
4095 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4097 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4098 struct net_device *dev = info->user_ptr[1];
4099 struct cfg80211_acl_data *acl;
4102 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4103 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4106 if (!dev->ieee80211_ptr->beacon_interval)
4109 acl = parse_acl_data(&rdev->wiphy, info);
4111 return PTR_ERR(acl);
4113 err = rdev_set_mac_acl(rdev, dev, acl);
4120 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4121 u8 *rates, u8 rates_len)
4126 for (i = 0; i < rates_len; i++) {
4127 int rate = (rates[i] & 0x7f) * 5;
4130 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4131 struct ieee80211_rate *srate =
4132 &sband->bitrates[ridx];
4133 if (rate == srate->bitrate) {
4138 if (ridx == sband->n_bitrates)
4139 return 0; /* rate not found */
4145 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4146 u8 *rates, u8 rates_len,
4147 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4151 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4153 for (i = 0; i < rates_len; i++) {
4156 ridx = rates[i] / 8;
4157 rbit = BIT(rates[i] % 8);
4159 /* check validity */
4160 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4163 /* check availability */
4164 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4165 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4174 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4178 switch (vht_mcs_map) {
4179 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4181 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4184 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4187 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4197 static void vht_build_mcs_mask(u16 vht_mcs_map,
4198 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4202 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4203 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4208 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4209 struct nl80211_txrate_vht *txrate,
4210 u16 mcs[NL80211_VHT_NSS_MAX])
4212 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4213 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4216 if (!sband->vht_cap.vht_supported)
4219 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4221 /* Build vht_mcs_mask from VHT capabilities */
4222 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4224 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4225 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4226 mcs[i] = txrate->mcs[i];
4234 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
4235 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
4236 .len = NL80211_MAX_SUPP_RATES },
4237 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
4238 .len = NL80211_MAX_SUPP_HT_RATES },
4239 [NL80211_TXRATE_VHT] = {
4240 .type = NLA_EXACT_LEN_WARN,
4241 .len = sizeof(struct nl80211_txrate_vht),
4243 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
4246 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4247 struct cfg80211_bitrate_mask *mask)
4249 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4250 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4252 struct nlattr *tx_rates;
4253 struct ieee80211_supported_band *sband;
4256 memset(mask, 0, sizeof(*mask));
4257 /* Default to all rates enabled */
4258 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4259 sband = rdev->wiphy.bands[i];
4264 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4265 memcpy(mask->control[i].ht_mcs,
4266 sband->ht_cap.mcs.rx_mask,
4267 sizeof(mask->control[i].ht_mcs));
4269 if (!sband->vht_cap.vht_supported)
4272 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4273 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4276 /* if no rates are given set it back to the defaults */
4277 if (!info->attrs[NL80211_ATTR_TX_RATES])
4280 /* The nested attribute uses enum nl80211_band as the index. This maps
4281 * directly to the enum nl80211_band values used in cfg80211.
4283 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4284 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
4285 enum nl80211_band band = nla_type(tx_rates);
4288 if (band < 0 || band >= NUM_NL80211_BANDS)
4290 sband = rdev->wiphy.bands[band];
4293 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4295 nl80211_txattr_policy,
4299 if (tb[NL80211_TXRATE_LEGACY]) {
4300 mask->control[band].legacy = rateset_to_mask(
4302 nla_data(tb[NL80211_TXRATE_LEGACY]),
4303 nla_len(tb[NL80211_TXRATE_LEGACY]));
4304 if ((mask->control[band].legacy == 0) &&
4305 nla_len(tb[NL80211_TXRATE_LEGACY]))
4308 if (tb[NL80211_TXRATE_HT]) {
4309 if (!ht_rateset_to_mask(
4311 nla_data(tb[NL80211_TXRATE_HT]),
4312 nla_len(tb[NL80211_TXRATE_HT]),
4313 mask->control[band].ht_mcs))
4316 if (tb[NL80211_TXRATE_VHT]) {
4317 if (!vht_set_mcs_mask(
4319 nla_data(tb[NL80211_TXRATE_VHT]),
4320 mask->control[band].vht_mcs))
4323 if (tb[NL80211_TXRATE_GI]) {
4324 mask->control[band].gi =
4325 nla_get_u8(tb[NL80211_TXRATE_GI]);
4326 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4330 if (mask->control[band].legacy == 0) {
4331 /* don't allow empty legacy rates if HT or VHT
4332 * are not even supported.
4334 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4335 rdev->wiphy.bands[band]->vht_cap.vht_supported))
4338 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4339 if (mask->control[band].ht_mcs[i])
4342 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4343 if (mask->control[band].vht_mcs[i])
4346 /* legacy and mcs rates may not be both empty */
4355 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4356 enum nl80211_band band,
4357 struct cfg80211_bitrate_mask *beacon_rate)
4359 u32 count_ht, count_vht, i;
4360 u32 rate = beacon_rate->control[band].legacy;
4362 /* Allow only one rate */
4363 if (hweight32(rate) > 1)
4367 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4368 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4370 } else if (beacon_rate->control[band].ht_mcs[i]) {
4375 if (count_ht && rate)
4380 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4381 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4383 } else if (beacon_rate->control[band].vht_mcs[i]) {
4388 if (count_vht && rate)
4392 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4396 !wiphy_ext_feature_isset(&rdev->wiphy,
4397 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4400 !wiphy_ext_feature_isset(&rdev->wiphy,
4401 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4404 !wiphy_ext_feature_isset(&rdev->wiphy,
4405 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4411 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4412 struct nlattr *attrs[],
4413 struct cfg80211_beacon_data *bcn)
4415 bool haveinfo = false;
4418 memset(bcn, 0, sizeof(*bcn));
4420 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4421 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4422 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4428 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4429 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4430 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4437 if (attrs[NL80211_ATTR_IE]) {
4438 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4439 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4442 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4443 bcn->proberesp_ies =
4444 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4445 bcn->proberesp_ies_len =
4446 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4449 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4450 bcn->assocresp_ies =
4451 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4452 bcn->assocresp_ies_len =
4453 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4456 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4457 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4458 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
4461 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4462 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4464 err = nla_parse_nested_deprecated(tb,
4465 NL80211_FTM_RESP_ATTR_MAX,
4466 attrs[NL80211_ATTR_FTM_RESPONDER],
4471 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4472 wiphy_ext_feature_isset(&rdev->wiphy,
4473 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4474 bcn->ftm_responder = 1;
4478 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4479 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4480 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4483 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4484 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4485 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4488 bcn->ftm_responder = -1;
4494 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
4495 struct ieee80211_he_obss_pd *he_obss_pd)
4497 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
4500 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
4501 he_obss_pd_policy, NULL);
4505 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
4506 he_obss_pd->min_offset =
4507 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
4508 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
4509 he_obss_pd->max_offset =
4510 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
4512 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
4515 he_obss_pd->enable = true;
4520 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
4528 for (i = 0; i < rates[1]; i++) {
4529 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
4530 params->ht_required = true;
4531 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
4532 params->vht_required = true;
4537 * Since the nl80211 API didn't include, from the beginning, attributes about
4538 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4539 * benefit of drivers that rebuild IEs in the firmware.
4541 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
4543 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
4544 size_t ies_len = bcn->tail_len;
4545 const u8 *ies = bcn->tail;
4549 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
4550 nl80211_check_ap_rate_selectors(params, rates);
4552 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
4553 nl80211_check_ap_rate_selectors(params, rates);
4555 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
4556 if (cap && cap[1] >= sizeof(*params->ht_cap))
4557 params->ht_cap = (void *)(cap + 2);
4558 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
4559 if (cap && cap[1] >= sizeof(*params->vht_cap))
4560 params->vht_cap = (void *)(cap + 2);
4561 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
4562 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
4563 params->he_cap = (void *)(cap + 3);
4566 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
4567 struct cfg80211_ap_settings *params)
4569 struct wireless_dev *wdev;
4572 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
4573 if (wdev->iftype != NL80211_IFTYPE_AP &&
4574 wdev->iftype != NL80211_IFTYPE_P2P_GO)
4577 if (!wdev->preset_chandef.chan)
4580 params->chandef = wdev->preset_chandef;
4588 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
4589 enum nl80211_auth_type auth_type,
4590 enum nl80211_commands cmd)
4592 if (auth_type > NL80211_AUTHTYPE_MAX)
4596 case NL80211_CMD_AUTHENTICATE:
4597 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4598 auth_type == NL80211_AUTHTYPE_SAE)
4600 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4601 NL80211_EXT_FEATURE_FILS_STA) &&
4602 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4603 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4604 auth_type == NL80211_AUTHTYPE_FILS_PK))
4607 case NL80211_CMD_CONNECT:
4608 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4609 !wiphy_ext_feature_isset(&rdev->wiphy,
4610 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
4611 auth_type == NL80211_AUTHTYPE_SAE)
4614 /* FILS with SK PFS or PK not supported yet */
4615 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4616 auth_type == NL80211_AUTHTYPE_FILS_PK)
4618 if (!wiphy_ext_feature_isset(
4620 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
4621 auth_type == NL80211_AUTHTYPE_FILS_SK)
4624 case NL80211_CMD_START_AP:
4625 /* SAE not supported yet */
4626 if (auth_type == NL80211_AUTHTYPE_SAE)
4628 /* FILS not supported yet */
4629 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4630 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4631 auth_type == NL80211_AUTHTYPE_FILS_PK)
4639 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
4641 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4642 struct net_device *dev = info->user_ptr[1];
4643 struct wireless_dev *wdev = dev->ieee80211_ptr;
4644 struct cfg80211_ap_settings params;
4647 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4648 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4651 if (!rdev->ops->start_ap)
4654 if (wdev->beacon_interval)
4657 memset(¶ms, 0, sizeof(params));
4659 /* these are required for START_AP */
4660 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
4661 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4662 !info->attrs[NL80211_ATTR_BEACON_HEAD])
4665 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
4669 params.beacon_interval =
4670 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4671 params.dtim_period =
4672 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
4674 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
4675 params.beacon_interval);
4680 * In theory, some of these attributes should be required here
4681 * but since they were not used when the command was originally
4682 * added, keep them optional for old user space programs to let
4683 * them continue to work with drivers that do not need the
4684 * additional information -- drivers must check!
4686 if (info->attrs[NL80211_ATTR_SSID]) {
4687 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4689 nla_len(info->attrs[NL80211_ATTR_SSID]);
4690 if (params.ssid_len == 0 ||
4691 params.ssid_len > IEEE80211_MAX_SSID_LEN)
4695 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
4696 params.hidden_ssid = nla_get_u32(
4697 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
4699 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4701 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4702 params.auth_type = nla_get_u32(
4703 info->attrs[NL80211_ATTR_AUTH_TYPE]);
4704 if (!nl80211_valid_auth_type(rdev, params.auth_type,
4705 NL80211_CMD_START_AP))
4708 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4710 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
4711 NL80211_MAX_NR_CIPHER_SUITES);
4715 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
4716 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
4718 params.inactivity_timeout = nla_get_u16(
4719 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
4722 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4723 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4725 params.p2p_ctwindow =
4726 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4727 if (params.p2p_ctwindow != 0 &&
4728 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4732 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4735 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4737 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4738 params.p2p_opp_ps = tmp;
4739 if (params.p2p_opp_ps != 0 &&
4740 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4744 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
4745 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
4748 } else if (wdev->preset_chandef.chan) {
4749 params.chandef = wdev->preset_chandef;
4750 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
4753 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
4757 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4758 err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate);
4762 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4763 ¶ms.beacon_rate);
4768 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4770 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4771 switch (params.smps_mode) {
4772 case NL80211_SMPS_OFF:
4774 case NL80211_SMPS_STATIC:
4775 if (!(rdev->wiphy.features &
4776 NL80211_FEATURE_STATIC_SMPS))
4779 case NL80211_SMPS_DYNAMIC:
4780 if (!(rdev->wiphy.features &
4781 NL80211_FEATURE_DYNAMIC_SMPS))
4788 params.smps_mode = NL80211_SMPS_OFF;
4791 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4792 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4795 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4796 params.acl = parse_acl_data(&rdev->wiphy, info);
4797 if (IS_ERR(params.acl))
4798 return PTR_ERR(params.acl);
4801 params.twt_responder =
4802 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
4804 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
4805 err = nl80211_parse_he_obss_pd(
4806 info->attrs[NL80211_ATTR_HE_OBSS_PD],
4807 ¶ms.he_obss_pd);
4812 nl80211_calculate_ap_params(¶ms);
4814 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
4815 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
4818 err = rdev_start_ap(rdev, dev, ¶ms);
4820 wdev->preset_chandef = params.chandef;
4821 wdev->beacon_interval = params.beacon_interval;
4822 wdev->chandef = params.chandef;
4823 wdev->ssid_len = params.ssid_len;
4824 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
4826 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4827 wdev->conn_owner_nlportid = info->snd_portid;
4837 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
4839 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4840 struct net_device *dev = info->user_ptr[1];
4841 struct wireless_dev *wdev = dev->ieee80211_ptr;
4842 struct cfg80211_beacon_data params;
4845 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4846 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4849 if (!rdev->ops->change_beacon)
4852 if (!wdev->beacon_interval)
4855 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
4860 err = rdev_change_beacon(rdev, dev, ¶ms);
4866 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
4868 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4869 struct net_device *dev = info->user_ptr[1];
4871 return cfg80211_stop_ap(rdev, dev, false);
4874 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4875 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4876 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4877 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
4878 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
4879 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
4880 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
4883 static int parse_station_flags(struct genl_info *info,
4884 enum nl80211_iftype iftype,
4885 struct station_parameters *params)
4887 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
4892 * Try parsing the new attribute first so userspace
4893 * can specify both for older kernels.
4895 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4897 struct nl80211_sta_flag_update *sta_flags;
4899 sta_flags = nla_data(nla);
4900 params->sta_flags_mask = sta_flags->mask;
4901 params->sta_flags_set = sta_flags->set;
4902 params->sta_flags_set &= params->sta_flags_mask;
4903 if ((params->sta_flags_mask |
4904 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4909 /* if present, parse the old attribute */
4911 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
4915 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
4919 * Only allow certain flags for interface types so that
4920 * other attributes are silently ignored. Remember that
4921 * this is backward compatibility code with old userspace
4922 * and shouldn't be hit in other cases anyway.
4925 case NL80211_IFTYPE_AP:
4926 case NL80211_IFTYPE_AP_VLAN:
4927 case NL80211_IFTYPE_P2P_GO:
4928 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4929 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4930 BIT(NL80211_STA_FLAG_WME) |
4931 BIT(NL80211_STA_FLAG_MFP);
4933 case NL80211_IFTYPE_P2P_CLIENT:
4934 case NL80211_IFTYPE_STATION:
4935 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4936 BIT(NL80211_STA_FLAG_TDLS_PEER);
4938 case NL80211_IFTYPE_MESH_POINT:
4939 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4940 BIT(NL80211_STA_FLAG_MFP) |
4941 BIT(NL80211_STA_FLAG_AUTHORIZED);
4947 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4949 params->sta_flags_set |= (1<<flag);
4951 /* no longer support new API additions in old API */
4952 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4960 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
4962 struct nlattr *rate;
4965 enum nl80211_rate_info rate_flg;
4967 rate = nla_nest_start_noflag(msg, attr);
4971 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4972 bitrate = cfg80211_calculate_bitrate(info);
4973 /* report 16-bit bitrate only if we can */
4974 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
4976 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4978 if (bitrate_compat > 0 &&
4979 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4983 case RATE_INFO_BW_5:
4984 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4986 case RATE_INFO_BW_10:
4987 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4992 case RATE_INFO_BW_20:
4995 case RATE_INFO_BW_40:
4996 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4998 case RATE_INFO_BW_80:
4999 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
5001 case RATE_INFO_BW_160:
5002 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
5004 case RATE_INFO_BW_HE_RU:
5006 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
5009 if (rate_flg && nla_put_flag(msg, rate_flg))
5012 if (info->flags & RATE_INFO_FLAGS_MCS) {
5013 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5015 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5016 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5018 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5019 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5021 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5023 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5024 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5026 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5027 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5029 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5031 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5033 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5035 if (info->bw == RATE_INFO_BW_HE_RU &&
5036 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5041 nla_nest_end(msg, rate);
5045 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5054 attr = nla_nest_start_noflag(msg, id);
5058 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5059 if (!(mask & BIT(i)))
5062 if (nla_put_u8(msg, i, signal[i]))
5066 nla_nest_end(msg, attr);
5071 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5073 struct cfg80211_registered_device *rdev,
5074 struct net_device *dev,
5075 const u8 *mac_addr, struct station_info *sinfo)
5078 struct nlattr *sinfoattr, *bss_param;
5080 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
5082 cfg80211_sinfo_release_content(sinfo);
5086 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5087 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5088 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5089 goto nla_put_failure;
5091 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
5093 goto nla_put_failure;
5095 #define PUT_SINFO(attr, memb, type) do { \
5096 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
5097 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5098 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5100 goto nla_put_failure; \
5102 #define PUT_SINFO_U64(attr, memb) do { \
5103 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5104 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5105 sinfo->memb, NL80211_STA_INFO_PAD)) \
5106 goto nla_put_failure; \
5109 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5110 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
5111 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
5113 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5114 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
5115 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
5116 (u32)sinfo->rx_bytes))
5117 goto nla_put_failure;
5119 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5120 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
5121 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
5122 (u32)sinfo->tx_bytes))
5123 goto nla_put_failure;
5125 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5126 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
5127 PUT_SINFO(LLID, llid, u16);
5128 PUT_SINFO(PLID, plid, u16);
5129 PUT_SINFO(PLINK_STATE, plink_state, u8);
5130 PUT_SINFO_U64(RX_DURATION, rx_duration);
5131 PUT_SINFO_U64(TX_DURATION, tx_duration);
5133 if (wiphy_ext_feature_isset(&rdev->wiphy,
5134 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5135 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
5137 switch (rdev->wiphy.signal_type) {
5138 case CFG80211_SIGNAL_TYPE_MBM:
5139 PUT_SINFO(SIGNAL, signal, u8);
5140 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
5145 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
5146 if (!nl80211_put_signal(msg, sinfo->chains,
5147 sinfo->chain_signal,
5148 NL80211_STA_INFO_CHAIN_SIGNAL))
5149 goto nla_put_failure;
5151 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
5152 if (!nl80211_put_signal(msg, sinfo->chains,
5153 sinfo->chain_signal_avg,
5154 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5155 goto nla_put_failure;
5157 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
5158 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5159 NL80211_STA_INFO_TX_BITRATE))
5160 goto nla_put_failure;
5162 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
5163 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5164 NL80211_STA_INFO_RX_BITRATE))
5165 goto nla_put_failure;
5168 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5169 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5170 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5171 PUT_SINFO(TX_FAILED, tx_failed, u32);
5172 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5173 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5174 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5175 PUT_SINFO(LOCAL_PM, local_pm, u32);
5176 PUT_SINFO(PEER_PM, peer_pm, u32);
5177 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5178 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5180 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5181 bss_param = nla_nest_start_noflag(msg,
5182 NL80211_STA_INFO_BSS_PARAM);
5184 goto nla_put_failure;
5186 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5187 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5188 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5189 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5190 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5191 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5192 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5193 sinfo->bss_param.dtim_period) ||
5194 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5195 sinfo->bss_param.beacon_interval))
5196 goto nla_put_failure;
5198 nla_nest_end(msg, bss_param);
5200 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5201 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5202 sizeof(struct nl80211_sta_flag_update),
5204 goto nla_put_failure;
5206 PUT_SINFO_U64(T_OFFSET, t_offset);
5207 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5208 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5209 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5210 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5211 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5212 if (wiphy_ext_feature_isset(&rdev->wiphy,
5213 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5214 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5215 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5219 #undef PUT_SINFO_U64
5221 if (sinfo->pertid) {
5222 struct nlattr *tidsattr;
5225 tidsattr = nla_nest_start_noflag(msg,
5226 NL80211_STA_INFO_TID_STATS);
5228 goto nla_put_failure;
5230 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5231 struct cfg80211_tid_stats *tidstats;
5232 struct nlattr *tidattr;
5234 tidstats = &sinfo->pertid[tid];
5236 if (!tidstats->filled)
5239 tidattr = nla_nest_start_noflag(msg, tid + 1);
5241 goto nla_put_failure;
5243 #define PUT_TIDVAL_U64(attr, memb) do { \
5244 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5245 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5246 tidstats->memb, NL80211_TID_STATS_PAD)) \
5247 goto nla_put_failure; \
5250 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5251 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5252 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5253 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5255 #undef PUT_TIDVAL_U64
5256 if ((tidstats->filled &
5257 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5258 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5259 NL80211_TID_STATS_TXQ_STATS))
5260 goto nla_put_failure;
5262 nla_nest_end(msg, tidattr);
5265 nla_nest_end(msg, tidsattr);
5268 nla_nest_end(msg, sinfoattr);
5270 if (sinfo->assoc_req_ies_len &&
5271 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5272 sinfo->assoc_req_ies))
5273 goto nla_put_failure;
5275 cfg80211_sinfo_release_content(sinfo);
5276 genlmsg_end(msg, hdr);
5280 cfg80211_sinfo_release_content(sinfo);
5281 genlmsg_cancel(msg, hdr);
5285 static int nl80211_dump_station(struct sk_buff *skb,
5286 struct netlink_callback *cb)
5288 struct station_info sinfo;
5289 struct cfg80211_registered_device *rdev;
5290 struct wireless_dev *wdev;
5291 u8 mac_addr[ETH_ALEN];
5292 int sta_idx = cb->args[2];
5296 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5300 if (!wdev->netdev) {
5305 if (!rdev->ops->dump_station) {
5311 memset(&sinfo, 0, sizeof(sinfo));
5312 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
5319 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
5320 NETLINK_CB(cb->skb).portid,
5321 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5322 rdev, wdev->netdev, mac_addr,
5330 cb->args[2] = sta_idx;
5338 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5340 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5341 struct net_device *dev = info->user_ptr[1];
5342 struct station_info sinfo;
5343 struct sk_buff *msg;
5344 u8 *mac_addr = NULL;
5347 memset(&sinfo, 0, sizeof(sinfo));
5349 if (!info->attrs[NL80211_ATTR_MAC])
5352 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5354 if (!rdev->ops->get_station)
5357 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
5361 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5363 cfg80211_sinfo_release_content(&sinfo);
5367 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5368 info->snd_portid, info->snd_seq, 0,
5369 rdev, dev, mac_addr, &sinfo) < 0) {
5374 return genlmsg_reply(msg, info);
5377 int cfg80211_check_station_change(struct wiphy *wiphy,
5378 struct station_parameters *params,
5379 enum cfg80211_station_type statype)
5381 if (params->listen_interval != -1 &&
5382 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5385 if (params->support_p2p_ps != -1 &&
5386 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5390 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5391 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5394 /* When you run into this, adjust the code below for the new flag */
5395 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5398 case CFG80211_STA_MESH_PEER_KERNEL:
5399 case CFG80211_STA_MESH_PEER_USER:
5401 * No ignoring the TDLS flag here -- the userspace mesh
5402 * code doesn't have the bug of including TDLS in the
5405 if (params->sta_flags_mask &
5406 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5407 BIT(NL80211_STA_FLAG_MFP) |
5408 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5411 case CFG80211_STA_TDLS_PEER_SETUP:
5412 case CFG80211_STA_TDLS_PEER_ACTIVE:
5413 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5415 /* ignore since it can't change */
5416 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5419 /* disallow mesh-specific things */
5420 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5422 if (params->local_pm)
5424 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5428 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5429 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5430 /* TDLS can't be set, ... */
5431 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5434 * ... but don't bother the driver with it. This works around
5435 * a hostapd/wpa_supplicant issue -- it always includes the
5436 * TLDS_PEER flag in the mask even for AP mode.
5438 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5441 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5442 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5443 /* reject other things that can't change */
5444 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5446 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5448 if (params->supported_rates)
5450 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5455 if (statype != CFG80211_STA_AP_CLIENT &&
5456 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5462 case CFG80211_STA_AP_MLME_CLIENT:
5463 /* Use this only for authorizing/unauthorizing a station */
5464 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5467 case CFG80211_STA_AP_CLIENT:
5468 case CFG80211_STA_AP_CLIENT_UNASSOC:
5469 /* accept only the listed bits */
5470 if (params->sta_flags_mask &
5471 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5472 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5473 BIT(NL80211_STA_FLAG_ASSOCIATED) |
5474 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5475 BIT(NL80211_STA_FLAG_WME) |
5476 BIT(NL80211_STA_FLAG_MFP)))
5479 /* but authenticated/associated only if driver handles it */
5480 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5481 params->sta_flags_mask &
5482 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5483 BIT(NL80211_STA_FLAG_ASSOCIATED)))
5486 case CFG80211_STA_IBSS:
5487 case CFG80211_STA_AP_STA:
5488 /* reject any changes other than AUTHORIZED */
5489 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
5492 case CFG80211_STA_TDLS_PEER_SETUP:
5493 /* reject any changes other than AUTHORIZED or WME */
5494 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5495 BIT(NL80211_STA_FLAG_WME)))
5497 /* force (at least) rates when authorizing */
5498 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
5499 !params->supported_rates)
5502 case CFG80211_STA_TDLS_PEER_ACTIVE:
5503 /* reject any changes */
5505 case CFG80211_STA_MESH_PEER_KERNEL:
5506 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5509 case CFG80211_STA_MESH_PEER_USER:
5510 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
5511 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
5517 * Older kernel versions ignored this attribute entirely, so don't
5518 * reject attempts to update it but mark it as unused instead so the
5519 * driver won't look at the data.
5521 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
5522 statype != CFG80211_STA_TDLS_PEER_SETUP)
5523 params->opmode_notif_used = false;
5527 EXPORT_SYMBOL(cfg80211_check_station_change);
5530 * Get vlan interface making sure it is running and on the right wiphy.
5532 static struct net_device *get_vlan(struct genl_info *info,
5533 struct cfg80211_registered_device *rdev)
5535 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
5536 struct net_device *v;
5542 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
5544 return ERR_PTR(-ENODEV);
5546 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
5551 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5552 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5553 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5558 if (!netif_running(v)) {
5566 return ERR_PTR(ret);
5569 static const struct nla_policy
5570 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
5571 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
5572 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
5575 static int nl80211_parse_sta_wme(struct genl_info *info,
5576 struct station_parameters *params)
5578 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
5582 /* parse WME attributes if present */
5583 if (!info->attrs[NL80211_ATTR_STA_WME])
5586 nla = info->attrs[NL80211_ATTR_STA_WME];
5587 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
5588 nl80211_sta_wme_policy,
5593 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
5594 params->uapsd_queues = nla_get_u8(
5595 tb[NL80211_STA_WME_UAPSD_QUEUES]);
5596 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
5599 if (tb[NL80211_STA_WME_MAX_SP])
5600 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
5602 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
5605 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
5610 static int nl80211_parse_sta_channel_info(struct genl_info *info,
5611 struct station_parameters *params)
5613 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
5614 params->supported_channels =
5615 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5616 params->supported_channels_len =
5617 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5619 * Need to include at least one (first channel, number of
5620 * channels) tuple for each subband, and must have proper
5621 * tuples for the rest of the data as well.
5623 if (params->supported_channels_len < 2)
5625 if (params->supported_channels_len % 2)
5629 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
5630 params->supported_oper_classes =
5631 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5632 params->supported_oper_classes_len =
5633 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5635 * The value of the Length field of the Supported Operating
5636 * Classes element is between 2 and 253.
5638 if (params->supported_oper_classes_len < 2 ||
5639 params->supported_oper_classes_len > 253)
5645 static int nl80211_set_station_tdls(struct genl_info *info,
5646 struct station_parameters *params)
5649 /* Dummy STA entry gets updated once the peer capabilities are known */
5650 if (info->attrs[NL80211_ATTR_PEER_AID])
5651 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5652 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5654 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5655 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5657 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5658 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5660 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5661 params->he_capa_len =
5662 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5664 if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5668 err = nl80211_parse_sta_channel_info(info, params);
5672 return nl80211_parse_sta_wme(info, params);
5675 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
5676 struct station_parameters *params)
5678 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5681 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
5682 if (!rdev->ops->set_tx_power ||
5683 !wiphy_ext_feature_isset(&rdev->wiphy,
5684 NL80211_EXT_FEATURE_STA_TX_PWR))
5687 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
5688 params->txpwr.type = nla_get_u8(info->attrs[idx]);
5690 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
5691 idx = NL80211_ATTR_STA_TX_POWER;
5693 if (info->attrs[idx])
5694 params->txpwr.power =
5695 nla_get_s16(info->attrs[idx]);
5699 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
5705 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
5707 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5708 struct net_device *dev = info->user_ptr[1];
5709 struct station_parameters params;
5713 memset(¶ms, 0, sizeof(params));
5715 if (!rdev->ops->change_station)
5719 * AID and listen_interval properties can be set only for unassociated
5720 * station. Include these parameters here and will check them in
5721 * cfg80211_check_station_change().
5723 if (info->attrs[NL80211_ATTR_STA_AID])
5724 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5726 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5727 params.listen_interval =
5728 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5730 params.listen_interval = -1;
5732 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
5733 params.support_p2p_ps =
5734 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5736 params.support_p2p_ps = -1;
5738 if (!info->attrs[NL80211_ATTR_MAC])
5741 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5743 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
5744 params.supported_rates =
5745 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5746 params.supported_rates_len =
5747 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5750 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5752 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5753 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5756 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5758 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5759 params.ext_capab_len =
5760 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5763 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5766 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5767 params.plink_action =
5768 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5770 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
5771 params.plink_state =
5772 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
5773 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
5774 params.peer_aid = nla_get_u16(
5775 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
5776 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
5779 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
5780 params.local_pm = nla_get_u32(
5781 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
5783 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5784 params.opmode_notif_used = true;
5785 params.opmode_notif =
5786 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5789 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5790 params.airtime_weight =
5791 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5793 if (params.airtime_weight &&
5794 !wiphy_ext_feature_isset(&rdev->wiphy,
5795 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5798 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5802 /* Include parameters for TDLS peer (will check later) */
5803 err = nl80211_set_station_tdls(info, ¶ms);
5807 params.vlan = get_vlan(info, rdev);
5808 if (IS_ERR(params.vlan))
5809 return PTR_ERR(params.vlan);
5811 switch (dev->ieee80211_ptr->iftype) {
5812 case NL80211_IFTYPE_AP:
5813 case NL80211_IFTYPE_AP_VLAN:
5814 case NL80211_IFTYPE_P2P_GO:
5815 case NL80211_IFTYPE_P2P_CLIENT:
5816 case NL80211_IFTYPE_STATION:
5817 case NL80211_IFTYPE_ADHOC:
5818 case NL80211_IFTYPE_MESH_POINT:
5825 /* driver will call cfg80211_check_station_change() */
5826 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
5830 dev_put(params.vlan);
5835 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
5837 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5839 struct net_device *dev = info->user_ptr[1];
5840 struct station_parameters params;
5841 u8 *mac_addr = NULL;
5842 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5843 BIT(NL80211_STA_FLAG_ASSOCIATED);
5845 memset(¶ms, 0, sizeof(params));
5847 if (!rdev->ops->add_station)
5850 if (!info->attrs[NL80211_ATTR_MAC])
5853 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5856 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
5859 if (!info->attrs[NL80211_ATTR_STA_AID] &&
5860 !info->attrs[NL80211_ATTR_PEER_AID])
5863 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5864 params.supported_rates =
5865 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5866 params.supported_rates_len =
5867 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5868 params.listen_interval =
5869 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5871 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
5872 params.support_p2p_ps =
5873 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5876 * if not specified, assume it's supported for P2P GO interface,
5877 * and is NOT supported for AP interface
5879 params.support_p2p_ps =
5880 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
5883 if (info->attrs[NL80211_ATTR_PEER_AID])
5884 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5886 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5888 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5890 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5891 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5894 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5896 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5897 params.ext_capab_len =
5898 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5901 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5903 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5905 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5907 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5909 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5911 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5912 params.he_capa_len =
5913 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5915 /* max len is validated in nla policy */
5916 if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5920 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5921 params.opmode_notif_used = true;
5922 params.opmode_notif =
5923 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5926 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5927 params.plink_action =
5928 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5930 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5931 params.airtime_weight =
5932 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5934 if (params.airtime_weight &&
5935 !wiphy_ext_feature_isset(&rdev->wiphy,
5936 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5939 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5943 err = nl80211_parse_sta_channel_info(info, ¶ms);
5947 err = nl80211_parse_sta_wme(info, ¶ms);
5951 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5954 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5955 * as userspace might just pass through the capabilities from the IEs
5956 * directly, rather than enforcing this restriction and returning an
5957 * error in this case.
5959 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5960 params.ht_capa = NULL;
5961 params.vht_capa = NULL;
5963 /* HE requires WME */
5964 if (params.he_capa_len)
5968 /* When you run into this, adjust the code below for the new flag */
5969 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5971 switch (dev->ieee80211_ptr->iftype) {
5972 case NL80211_IFTYPE_AP:
5973 case NL80211_IFTYPE_AP_VLAN:
5974 case NL80211_IFTYPE_P2P_GO:
5975 /* ignore WME attributes if iface/sta is not capable */
5976 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5977 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5978 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5980 /* TDLS peers cannot be added */
5981 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5982 info->attrs[NL80211_ATTR_PEER_AID])
5984 /* but don't bother the driver with it */
5985 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5987 /* allow authenticated/associated only if driver handles it */
5988 if (!(rdev->wiphy.features &
5989 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5990 params.sta_flags_mask & auth_assoc)
5993 /* Older userspace, or userspace wanting to be compatible with
5994 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5995 * and assoc flags in the mask, but assumes the station will be
5996 * added as associated anyway since this was the required driver
5997 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5999 * In order to not bother drivers with this quirk in the API
6000 * set the flags in both the mask and set for new stations in
6003 if (!(params.sta_flags_mask & auth_assoc)) {
6004 params.sta_flags_mask |= auth_assoc;
6005 params.sta_flags_set |= auth_assoc;
6008 /* must be last in here for error handling */
6009 params.vlan = get_vlan(info, rdev);
6010 if (IS_ERR(params.vlan))
6011 return PTR_ERR(params.vlan);
6013 case NL80211_IFTYPE_MESH_POINT:
6014 /* ignore uAPSD data */
6015 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6017 /* associated is disallowed */
6018 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6020 /* TDLS peers cannot be added */
6021 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6022 info->attrs[NL80211_ATTR_PEER_AID])
6025 case NL80211_IFTYPE_STATION:
6026 case NL80211_IFTYPE_P2P_CLIENT:
6027 /* ignore uAPSD data */
6028 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6030 /* these are disallowed */
6031 if (params.sta_flags_mask &
6032 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6033 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
6035 /* Only TDLS peers can be added */
6036 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6038 /* Can only add if TDLS ... */
6039 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6041 /* ... with external setup is supported */
6042 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6045 * Older wpa_supplicant versions always mark the TDLS peer
6046 * as authorized, but it shouldn't yet be.
6048 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
6054 /* be aware of params.vlan when changing code here */
6056 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
6059 dev_put(params.vlan);
6063 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6065 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6066 struct net_device *dev = info->user_ptr[1];
6067 struct station_del_parameters params;
6069 memset(¶ms, 0, sizeof(params));
6071 if (info->attrs[NL80211_ATTR_MAC])
6072 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
6074 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6075 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6076 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
6077 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6080 if (!rdev->ops->del_station)
6083 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6085 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6086 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6087 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6090 /* Default to Deauthentication frame */
6091 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6094 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6095 params.reason_code =
6096 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6097 if (params.reason_code == 0)
6098 return -EINVAL; /* 0 is reserved */
6100 /* Default to reason code 2 */
6101 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6104 return rdev_del_station(rdev, dev, ¶ms);
6107 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
6108 int flags, struct net_device *dev,
6109 u8 *dst, u8 *next_hop,
6110 struct mpath_info *pinfo)
6113 struct nlattr *pinfoattr;
6115 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
6119 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6120 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6121 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6122 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6123 goto nla_put_failure;
6125 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
6127 goto nla_put_failure;
6128 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6129 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6131 goto nla_put_failure;
6132 if (((pinfo->filled & MPATH_INFO_SN) &&
6133 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6134 ((pinfo->filled & MPATH_INFO_METRIC) &&
6135 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6137 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6138 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6140 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6141 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6143 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6144 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6145 pinfo->discovery_timeout)) ||
6146 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6147 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
6148 pinfo->discovery_retries)) ||
6149 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6150 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
6151 pinfo->hop_count)) ||
6152 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6153 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6154 pinfo->path_change_count)))
6155 goto nla_put_failure;
6157 nla_nest_end(msg, pinfoattr);
6159 genlmsg_end(msg, hdr);
6163 genlmsg_cancel(msg, hdr);
6167 static int nl80211_dump_mpath(struct sk_buff *skb,
6168 struct netlink_callback *cb)
6170 struct mpath_info pinfo;
6171 struct cfg80211_registered_device *rdev;
6172 struct wireless_dev *wdev;
6174 u8 next_hop[ETH_ALEN];
6175 int path_idx = cb->args[2];
6179 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6183 if (!rdev->ops->dump_mpath) {
6188 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6194 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6201 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6202 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6203 wdev->netdev, dst, next_hop,
6211 cb->args[2] = path_idx;
6218 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6220 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6222 struct net_device *dev = info->user_ptr[1];
6223 struct mpath_info pinfo;
6224 struct sk_buff *msg;
6226 u8 next_hop[ETH_ALEN];
6228 memset(&pinfo, 0, sizeof(pinfo));
6230 if (!info->attrs[NL80211_ATTR_MAC])
6233 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6235 if (!rdev->ops->get_mpath)
6238 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6241 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6245 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6249 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6250 dev, dst, next_hop, &pinfo) < 0) {
6255 return genlmsg_reply(msg, info);
6258 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6260 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6261 struct net_device *dev = info->user_ptr[1];
6263 u8 *next_hop = NULL;
6265 if (!info->attrs[NL80211_ATTR_MAC])
6268 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6271 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6272 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6274 if (!rdev->ops->change_mpath)
6277 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6280 return rdev_change_mpath(rdev, dev, dst, next_hop);
6283 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6285 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6286 struct net_device *dev = info->user_ptr[1];
6288 u8 *next_hop = NULL;
6290 if (!info->attrs[NL80211_ATTR_MAC])
6293 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6296 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6297 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6299 if (!rdev->ops->add_mpath)
6302 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6305 return rdev_add_mpath(rdev, dev, dst, next_hop);
6308 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6310 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6311 struct net_device *dev = info->user_ptr[1];
6314 if (info->attrs[NL80211_ATTR_MAC])
6315 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6317 if (!rdev->ops->del_mpath)
6320 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6323 return rdev_del_mpath(rdev, dev, dst);
6326 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6328 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6330 struct net_device *dev = info->user_ptr[1];
6331 struct mpath_info pinfo;
6332 struct sk_buff *msg;
6336 memset(&pinfo, 0, sizeof(pinfo));
6338 if (!info->attrs[NL80211_ATTR_MAC])
6341 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6343 if (!rdev->ops->get_mpp)
6346 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6349 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6353 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6357 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6358 dev, dst, mpp, &pinfo) < 0) {
6363 return genlmsg_reply(msg, info);
6366 static int nl80211_dump_mpp(struct sk_buff *skb,
6367 struct netlink_callback *cb)
6369 struct mpath_info pinfo;
6370 struct cfg80211_registered_device *rdev;
6371 struct wireless_dev *wdev;
6374 int path_idx = cb->args[2];
6378 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6382 if (!rdev->ops->dump_mpp) {
6387 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6393 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6400 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6401 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6402 wdev->netdev, dst, mpp,
6410 cb->args[2] = path_idx;
6417 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6419 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6420 struct net_device *dev = info->user_ptr[1];
6421 struct wireless_dev *wdev = dev->ieee80211_ptr;
6422 struct bss_parameters params;
6425 memset(¶ms, 0, sizeof(params));
6426 /* default to not changing parameters */
6427 params.use_cts_prot = -1;
6428 params.use_short_preamble = -1;
6429 params.use_short_slot_time = -1;
6430 params.ap_isolate = -1;
6431 params.ht_opmode = -1;
6432 params.p2p_ctwindow = -1;
6433 params.p2p_opp_ps = -1;
6435 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6436 params.use_cts_prot =
6437 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6438 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6439 params.use_short_preamble =
6440 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6441 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6442 params.use_short_slot_time =
6443 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
6444 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6445 params.basic_rates =
6446 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6447 params.basic_rates_len =
6448 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6450 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6451 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
6452 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6454 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
6456 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6457 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6459 params.p2p_ctwindow =
6460 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
6461 if (params.p2p_ctwindow != 0 &&
6462 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
6466 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6469 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6471 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
6472 params.p2p_opp_ps = tmp;
6473 if (params.p2p_opp_ps &&
6474 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
6478 if (!rdev->ops->change_bss)
6481 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6482 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6486 err = rdev_change_bss(rdev, dev, ¶ms);
6492 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
6496 enum nl80211_user_reg_hint_type user_reg_hint_type;
6500 * You should only get this when cfg80211 hasn't yet initialized
6501 * completely when built-in to the kernel right between the time
6502 * window between nl80211_init() and regulatory_init(), if that is
6505 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
6506 return -EINPROGRESS;
6508 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
6509 user_reg_hint_type =
6510 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
6512 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
6514 switch (user_reg_hint_type) {
6515 case NL80211_USER_REG_HINT_USER:
6516 case NL80211_USER_REG_HINT_CELL_BASE:
6517 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6520 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6521 return regulatory_hint_user(data, user_reg_hint_type);
6522 case NL80211_USER_REG_HINT_INDOOR:
6523 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
6524 owner_nlportid = info->snd_portid;
6525 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
6531 return regulatory_hint_indoor(is_indoor, owner_nlportid);
6537 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
6539 return reg_reload_regdb();
6542 static int nl80211_get_mesh_config(struct sk_buff *skb,
6543 struct genl_info *info)
6545 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6546 struct net_device *dev = info->user_ptr[1];
6547 struct wireless_dev *wdev = dev->ieee80211_ptr;
6548 struct mesh_config cur_params;
6551 struct nlattr *pinfoattr;
6552 struct sk_buff *msg;
6554 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6557 if (!rdev->ops->get_mesh_config)
6561 /* If not connected, get default parameters */
6562 if (!wdev->mesh_id_len)
6563 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
6565 err = rdev_get_mesh_config(rdev, dev, &cur_params);
6571 /* Draw up a netlink message to send back */
6572 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6575 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6576 NL80211_CMD_GET_MESH_CONFIG);
6579 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
6581 goto nla_put_failure;
6582 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6583 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
6584 cur_params.dot11MeshRetryTimeout) ||
6585 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
6586 cur_params.dot11MeshConfirmTimeout) ||
6587 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
6588 cur_params.dot11MeshHoldingTimeout) ||
6589 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
6590 cur_params.dot11MeshMaxPeerLinks) ||
6591 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
6592 cur_params.dot11MeshMaxRetries) ||
6593 nla_put_u8(msg, NL80211_MESHCONF_TTL,
6594 cur_params.dot11MeshTTL) ||
6595 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
6596 cur_params.element_ttl) ||
6597 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6598 cur_params.auto_open_plinks) ||
6599 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6600 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
6601 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6602 cur_params.dot11MeshHWMPmaxPREQretries) ||
6603 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
6604 cur_params.path_refresh_time) ||
6605 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6606 cur_params.min_discovery_timeout) ||
6607 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6608 cur_params.dot11MeshHWMPactivePathTimeout) ||
6609 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6610 cur_params.dot11MeshHWMPpreqMinInterval) ||
6611 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6612 cur_params.dot11MeshHWMPperrMinInterval) ||
6613 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6614 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
6615 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
6616 cur_params.dot11MeshHWMPRootMode) ||
6617 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6618 cur_params.dot11MeshHWMPRannInterval) ||
6619 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6620 cur_params.dot11MeshGateAnnouncementProtocol) ||
6621 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
6622 cur_params.dot11MeshForwarding) ||
6623 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
6624 cur_params.rssi_threshold) ||
6625 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
6626 cur_params.ht_opmode) ||
6627 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6628 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
6629 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6630 cur_params.dot11MeshHWMProotInterval) ||
6631 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6632 cur_params.dot11MeshHWMPconfirmationInterval) ||
6633 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
6634 cur_params.power_mode) ||
6635 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
6636 cur_params.dot11MeshAwakeWindowDuration) ||
6637 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
6638 cur_params.plink_timeout) ||
6639 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
6640 cur_params.dot11MeshConnectedToMeshGate))
6641 goto nla_put_failure;
6642 nla_nest_end(msg, pinfoattr);
6643 genlmsg_end(msg, hdr);
6644 return genlmsg_reply(msg, info);
6652 static const struct nla_policy
6653 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
6654 [NL80211_MESHCONF_RETRY_TIMEOUT] =
6655 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6656 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
6657 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6658 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
6659 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6660 [NL80211_MESHCONF_MAX_PEER_LINKS] =
6661 NLA_POLICY_RANGE(NLA_U16, 0, 255),
6662 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
6663 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6664 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6665 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
6666 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
6667 NLA_POLICY_RANGE(NLA_U32, 1, 255),
6668 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
6669 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
6670 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
6671 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
6672 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
6673 NLA_POLICY_MIN(NLA_U16, 1),
6674 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
6675 NLA_POLICY_MIN(NLA_U16, 1),
6676 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
6677 NLA_POLICY_MIN(NLA_U16, 1),
6678 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
6679 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
6680 NLA_POLICY_MIN(NLA_U16, 1),
6681 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
6682 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
6683 [NL80211_MESHCONF_RSSI_THRESHOLD] =
6684 NLA_POLICY_RANGE(NLA_S32, -255, 0),
6685 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
6686 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
6687 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
6688 NLA_POLICY_MIN(NLA_U16, 1),
6689 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
6690 NLA_POLICY_MIN(NLA_U16, 1),
6691 [NL80211_MESHCONF_POWER_MODE] =
6692 NLA_POLICY_RANGE(NLA_U32,
6693 NL80211_MESH_POWER_ACTIVE,
6694 NL80211_MESH_POWER_MAX),
6695 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
6696 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
6697 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
6700 static const struct nla_policy
6701 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
6702 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
6703 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
6704 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
6705 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6706 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
6707 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
6708 [NL80211_MESH_SETUP_IE] =
6709 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
6710 IEEE80211_MAX_DATA_LEN),
6711 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
6714 static int nl80211_parse_mesh_config(struct genl_info *info,
6715 struct mesh_config *cfg,
6718 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
6722 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6725 cfg->param = fn(tb[attr]); \
6726 mask |= BIT((attr) - 1); \
6730 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
6732 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
6735 /* This makes sure that there aren't more than 32 mesh config
6736 * parameters (otherwise our bitfield scheme would not work.) */
6737 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
6739 /* Fill in the params struct */
6740 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
6741 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
6742 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
6743 NL80211_MESHCONF_CONFIRM_TIMEOUT,
6745 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
6746 NL80211_MESHCONF_HOLDING_TIMEOUT,
6748 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
6749 NL80211_MESHCONF_MAX_PEER_LINKS,
6751 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
6752 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
6753 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
6754 NL80211_MESHCONF_TTL, nla_get_u8);
6755 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
6756 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
6757 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
6758 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6760 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
6762 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6764 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
6765 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6767 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
6768 NL80211_MESHCONF_PATH_REFRESH_TIME,
6770 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
6771 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
6773 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
6774 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6776 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
6778 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6780 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
6781 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
6782 cfg->dot11MeshHWMPactivePathTimeout > 65535))
6784 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
6785 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6787 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
6788 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6790 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6791 dot11MeshHWMPnetDiameterTraversalTime, mask,
6792 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6794 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
6795 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
6796 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
6797 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6799 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
6800 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6802 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
6803 NL80211_MESHCONF_FORWARDING, nla_get_u8);
6804 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
6805 NL80211_MESHCONF_RSSI_THRESHOLD,
6807 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
6808 NL80211_MESHCONF_CONNECTED_TO_GATE,
6811 * Check HT operation mode based on
6812 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
6814 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
6815 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
6817 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
6818 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
6819 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
6822 /* NON_HT_STA bit is reserved, but some programs set it */
6823 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
6825 cfg->ht_opmode = ht_opmode;
6826 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
6828 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6829 dot11MeshHWMPactivePathToRootTimeout, mask,
6830 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6832 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
6833 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
6834 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
6836 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
6837 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6839 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
6841 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6843 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
6844 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
6845 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
6846 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
6847 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
6848 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
6854 #undef FILL_IN_MESH_PARAM_IF_SET
6857 static int nl80211_parse_mesh_setup(struct genl_info *info,
6858 struct mesh_setup *setup)
6860 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6861 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
6863 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
6865 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
6868 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
6869 setup->sync_method =
6870 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
6871 IEEE80211_SYNC_METHOD_VENDOR :
6872 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
6874 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
6875 setup->path_sel_proto =
6876 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
6877 IEEE80211_PATH_PROTOCOL_VENDOR :
6878 IEEE80211_PATH_PROTOCOL_HWMP;
6880 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
6881 setup->path_metric =
6882 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
6883 IEEE80211_PATH_METRIC_VENDOR :
6884 IEEE80211_PATH_METRIC_AIRTIME;
6886 if (tb[NL80211_MESH_SETUP_IE]) {
6887 struct nlattr *ieattr =
6888 tb[NL80211_MESH_SETUP_IE];
6889 setup->ie = nla_data(ieattr);
6890 setup->ie_len = nla_len(ieattr);
6892 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
6893 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
6895 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
6896 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
6897 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
6898 if (setup->is_secure)
6899 setup->user_mpm = true;
6901 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6902 if (!setup->user_mpm)
6905 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6911 static int nl80211_update_mesh_config(struct sk_buff *skb,
6912 struct genl_info *info)
6914 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6915 struct net_device *dev = info->user_ptr[1];
6916 struct wireless_dev *wdev = dev->ieee80211_ptr;
6917 struct mesh_config cfg;
6921 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6924 if (!rdev->ops->update_mesh_config)
6927 err = nl80211_parse_mesh_config(info, &cfg, &mask);
6932 if (!wdev->mesh_id_len)
6936 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
6943 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6944 struct sk_buff *msg)
6946 struct nlattr *nl_reg_rules;
6949 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6950 (regdom->dfs_region &&
6951 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
6952 goto nla_put_failure;
6954 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
6956 goto nla_put_failure;
6958 for (i = 0; i < regdom->n_reg_rules; i++) {
6959 struct nlattr *nl_reg_rule;
6960 const struct ieee80211_reg_rule *reg_rule;
6961 const struct ieee80211_freq_range *freq_range;
6962 const struct ieee80211_power_rule *power_rule;
6963 unsigned int max_bandwidth_khz;
6965 reg_rule = ®dom->reg_rules[i];
6966 freq_range = ®_rule->freq_range;
6967 power_rule = ®_rule->power_rule;
6969 nl_reg_rule = nla_nest_start_noflag(msg, i);
6971 goto nla_put_failure;
6973 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6974 if (!max_bandwidth_khz)
6975 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6978 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6980 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6981 freq_range->start_freq_khz) ||
6982 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6983 freq_range->end_freq_khz) ||
6984 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
6985 max_bandwidth_khz) ||
6986 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6987 power_rule->max_antenna_gain) ||
6988 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
6989 power_rule->max_eirp) ||
6990 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6991 reg_rule->dfs_cac_ms))
6992 goto nla_put_failure;
6994 nla_nest_end(msg, nl_reg_rule);
6997 nla_nest_end(msg, nl_reg_rules);
7004 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
7006 const struct ieee80211_regdomain *regdom = NULL;
7007 struct cfg80211_registered_device *rdev;
7008 struct wiphy *wiphy = NULL;
7009 struct sk_buff *msg;
7012 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7016 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7017 NL80211_CMD_GET_REG);
7021 if (info->attrs[NL80211_ATTR_WIPHY]) {
7024 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7027 return PTR_ERR(rdev);
7030 wiphy = &rdev->wiphy;
7031 self_managed = wiphy->regulatory_flags &
7032 REGULATORY_WIPHY_SELF_MANAGED;
7033 regdom = get_wiphy_regdom(wiphy);
7035 /* a self-managed-reg device must have a private regdom */
7036 if (WARN_ON(!regdom && self_managed)) {
7042 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7043 goto nla_put_failure;
7046 if (!wiphy && reg_last_request_cell_base() &&
7047 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7048 NL80211_USER_REG_HINT_CELL_BASE))
7049 goto nla_put_failure;
7054 regdom = rcu_dereference(cfg80211_regdomain);
7056 if (nl80211_put_regdom(regdom, msg))
7057 goto nla_put_failure_rcu;
7061 genlmsg_end(msg, hdr);
7062 return genlmsg_reply(msg, info);
7064 nla_put_failure_rcu:
7072 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7073 u32 seq, int flags, struct wiphy *wiphy,
7074 const struct ieee80211_regdomain *regdom)
7076 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7077 NL80211_CMD_GET_REG);
7082 genl_dump_check_consistent(cb, hdr);
7084 if (nl80211_put_regdom(regdom, msg))
7085 goto nla_put_failure;
7087 if (!wiphy && reg_last_request_cell_base() &&
7088 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7089 NL80211_USER_REG_HINT_CELL_BASE))
7090 goto nla_put_failure;
7093 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7094 goto nla_put_failure;
7096 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7097 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7098 goto nla_put_failure;
7100 genlmsg_end(msg, hdr);
7104 genlmsg_cancel(msg, hdr);
7108 static int nl80211_get_reg_dump(struct sk_buff *skb,
7109 struct netlink_callback *cb)
7111 const struct ieee80211_regdomain *regdom = NULL;
7112 struct cfg80211_registered_device *rdev;
7113 int err, reg_idx, start = cb->args[2];
7117 if (cfg80211_regdomain && start == 0) {
7118 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7120 rtnl_dereference(cfg80211_regdomain));
7125 /* the global regdom is idx 0 */
7127 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7128 regdom = get_wiphy_regdom(&rdev->wiphy);
7132 if (++reg_idx <= start)
7135 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7136 NLM_F_MULTI, &rdev->wiphy, regdom);
7143 cb->args[2] = reg_idx;
7150 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
7151 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7152 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7153 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7154 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7155 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7156 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7157 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7158 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7161 static int parse_reg_rule(struct nlattr *tb[],
7162 struct ieee80211_reg_rule *reg_rule)
7164 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
7165 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
7167 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7169 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7171 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7173 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7175 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7178 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7180 freq_range->start_freq_khz =
7181 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7182 freq_range->end_freq_khz =
7183 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7184 freq_range->max_bandwidth_khz =
7185 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7187 power_rule->max_eirp =
7188 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7190 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7191 power_rule->max_antenna_gain =
7192 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7194 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7195 reg_rule->dfs_cac_ms =
7196 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7201 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7203 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7204 struct nlattr *nl_reg_rule;
7206 int rem_reg_rules, r;
7207 u32 num_rules = 0, rule_idx = 0;
7208 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7209 struct ieee80211_regdomain *rd;
7211 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7214 if (!info->attrs[NL80211_ATTR_REG_RULES])
7217 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7219 if (info->attrs[NL80211_ATTR_DFS_REGION])
7220 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7222 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7225 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7229 if (!reg_is_valid_request(alpha2))
7232 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7236 rd->n_reg_rules = num_rules;
7237 rd->alpha2[0] = alpha2[0];
7238 rd->alpha2[1] = alpha2[1];
7241 * Disable DFS master mode if the DFS region was
7242 * not supported or known on this kernel.
7244 if (reg_supported_dfs_region(dfs_region))
7245 rd->dfs_region = dfs_region;
7247 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7249 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7250 nl_reg_rule, reg_rule_policy,
7254 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7260 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7266 /* set_regdom takes ownership of rd */
7267 return set_regdom(rd, REGD_SOURCE_CRDA);
7272 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7274 static int validate_scan_freqs(struct nlattr *freqs)
7276 struct nlattr *attr1, *attr2;
7277 int n_channels = 0, tmp1, tmp2;
7279 nla_for_each_nested(attr1, freqs, tmp1)
7280 if (nla_len(attr1) != sizeof(u32))
7283 nla_for_each_nested(attr1, freqs, tmp1) {
7286 * Some hardware has a limited channel list for
7287 * scanning, and it is pretty much nonsensical
7288 * to scan for a channel twice, so disallow that
7289 * and don't require drivers to check that the
7290 * channel list they get isn't longer than what
7291 * they can scan, as long as they can scan all
7292 * the channels they registered at once.
7294 nla_for_each_nested(attr2, freqs, tmp2)
7295 if (attr1 != attr2 &&
7296 nla_get_u32(attr1) == nla_get_u32(attr2))
7303 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
7305 return b < NUM_NL80211_BANDS && wiphy->bands[b];
7308 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7309 struct cfg80211_bss_selection *bss_select)
7311 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7312 struct nlattr *nest;
7317 /* only process one nested attribute */
7318 nest = nla_data(nla);
7319 if (!nla_ok(nest, nla_len(nest)))
7322 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7323 nest, nl80211_bss_select_policy,
7328 /* only one attribute may be given */
7329 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7337 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7339 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7340 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7342 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7343 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7344 bss_select->param.band_pref =
7345 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7346 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7350 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7351 struct nl80211_bss_select_rssi_adjust *adj_param;
7353 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7354 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7355 bss_select->param.adjust.band = adj_param->band;
7356 bss_select->param.adjust.delta = adj_param->delta;
7357 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7361 /* user-space did not provide behaviour attribute */
7362 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7365 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7371 int nl80211_parse_random_mac(struct nlattr **attrs,
7372 u8 *mac_addr, u8 *mac_addr_mask)
7376 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
7377 eth_zero_addr(mac_addr);
7378 eth_zero_addr(mac_addr_mask);
7380 mac_addr_mask[0] = 0x3;
7385 /* need both or none */
7386 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7389 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7390 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7392 /* don't allow or configure an mcast address */
7393 if (!is_multicast_ether_addr(mac_addr_mask) ||
7394 is_multicast_ether_addr(mac_addr))
7398 * allow users to pass a MAC address that has bits set outside
7399 * of the mask, but don't bother drivers with having to deal
7402 for (i = 0; i < ETH_ALEN; i++)
7403 mac_addr[i] &= mac_addr_mask[i];
7408 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7410 ASSERT_WDEV_LOCK(wdev);
7412 if (!cfg80211_beaconing_iface_active(wdev))
7415 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7418 return regulatory_pre_cac_allowed(wdev->wiphy);
7421 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7422 enum nl80211_ext_feature_index feat)
7424 if (!(flags & flag))
7426 if (wiphy_ext_feature_isset(wiphy, feat))
7432 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7433 void *request, struct nlattr **attrs,
7436 u8 *mac_addr, *mac_addr_mask;
7438 enum nl80211_feature_flags randomness_flag;
7440 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7443 if (is_sched_scan) {
7444 struct cfg80211_sched_scan_request *req = request;
7446 randomness_flag = wdev ?
7447 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
7448 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7449 flags = &req->flags;
7450 mac_addr = req->mac_addr;
7451 mac_addr_mask = req->mac_addr_mask;
7453 struct cfg80211_scan_request *req = request;
7455 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
7456 flags = &req->flags;
7457 mac_addr = req->mac_addr;
7458 mac_addr_mask = req->mac_addr_mask;
7461 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
7463 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7464 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
7465 !nl80211_check_scan_feat(wiphy, *flags,
7466 NL80211_SCAN_FLAG_LOW_SPAN,
7467 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
7468 !nl80211_check_scan_feat(wiphy, *flags,
7469 NL80211_SCAN_FLAG_LOW_POWER,
7470 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
7471 !nl80211_check_scan_feat(wiphy, *flags,
7472 NL80211_SCAN_FLAG_HIGH_ACCURACY,
7473 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
7474 !nl80211_check_scan_feat(wiphy, *flags,
7475 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
7476 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
7477 !nl80211_check_scan_feat(wiphy, *flags,
7478 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
7479 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
7480 !nl80211_check_scan_feat(wiphy, *flags,
7481 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
7482 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
7483 !nl80211_check_scan_feat(wiphy, *flags,
7484 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
7485 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
7486 !nl80211_check_scan_feat(wiphy, *flags,
7487 NL80211_SCAN_FLAG_RANDOM_SN,
7488 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
7489 !nl80211_check_scan_feat(wiphy, *flags,
7490 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
7491 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
7494 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7497 if (!(wiphy->features & randomness_flag) ||
7498 (wdev && wdev->current_bss))
7501 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
7509 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
7511 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7512 struct wireless_dev *wdev = info->user_ptr[1];
7513 struct cfg80211_scan_request *request;
7514 struct nlattr *attr;
7515 struct wiphy *wiphy;
7516 int err, tmp, n_ssids = 0, n_channels, i;
7519 wiphy = &rdev->wiphy;
7521 if (wdev->iftype == NL80211_IFTYPE_NAN)
7524 if (!rdev->ops->scan)
7527 if (rdev->scan_req || rdev->scan_msg) {
7532 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7533 n_channels = validate_scan_freqs(
7534 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7540 n_channels = ieee80211_get_num_supported_channels(wiphy);
7543 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
7544 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
7547 if (n_ssids > wiphy->max_scan_ssids) {
7552 if (info->attrs[NL80211_ATTR_IE])
7553 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7557 if (ie_len > wiphy->max_scan_ie_len) {
7562 request = kzalloc(sizeof(*request)
7563 + sizeof(*request->ssids) * n_ssids
7564 + sizeof(*request->channels) * n_channels
7565 + ie_len, GFP_KERNEL);
7572 request->ssids = (void *)&request->channels[n_channels];
7573 request->n_ssids = n_ssids;
7576 request->ie = (void *)(request->ssids + n_ssids);
7578 request->ie = (void *)(request->channels + n_channels);
7582 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7583 /* user specified, bail out if channel not found */
7584 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
7585 struct ieee80211_channel *chan;
7587 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7594 /* ignore disabled channels */
7595 if (chan->flags & IEEE80211_CHAN_DISABLED)
7598 request->channels[i] = chan;
7602 enum nl80211_band band;
7605 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7608 if (!wiphy->bands[band])
7610 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7611 struct ieee80211_channel *chan;
7613 chan = &wiphy->bands[band]->channels[j];
7615 if (chan->flags & IEEE80211_CHAN_DISABLED)
7618 request->channels[i] = chan;
7629 request->n_channels = i;
7632 if (!cfg80211_off_channel_oper_allowed(wdev)) {
7633 struct ieee80211_channel *chan;
7635 if (request->n_channels != 1) {
7641 chan = request->channels[0];
7642 if (chan->center_freq != wdev->chandef.chan->center_freq) {
7652 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
7653 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7657 request->ssids[i].ssid_len = nla_len(attr);
7658 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
7663 if (info->attrs[NL80211_ATTR_IE]) {
7664 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7665 memcpy((void *)request->ie,
7666 nla_data(info->attrs[NL80211_ATTR_IE]),
7670 for (i = 0; i < NUM_NL80211_BANDS; i++)
7671 if (wiphy->bands[i])
7673 (1 << wiphy->bands[i]->n_bitrates) - 1;
7675 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
7676 nla_for_each_nested(attr,
7677 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
7679 enum nl80211_band band = nla_type(attr);
7681 if (band < 0 || band >= NUM_NL80211_BANDS) {
7686 if (!wiphy->bands[band])
7689 err = ieee80211_get_ratemask(wiphy->bands[band],
7692 &request->rates[band]);
7698 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
7699 if (!wiphy_ext_feature_isset(wiphy,
7700 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
7706 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
7707 request->duration_mandatory =
7708 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
7711 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
7717 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7719 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7720 * BSSID to scan for. This was problematic because that same attribute
7721 * was already used for another purpose (local random MAC address). The
7722 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7723 * compatibility with older userspace components, also use the
7724 * NL80211_ATTR_MAC value here if it can be determined to be used for
7725 * the specific BSSID use case instead of the random MAC address
7726 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7728 if (info->attrs[NL80211_ATTR_BSSID])
7729 memcpy(request->bssid,
7730 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
7731 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
7732 info->attrs[NL80211_ATTR_MAC])
7733 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
7736 eth_broadcast_addr(request->bssid);
7738 request->wdev = wdev;
7739 request->wiphy = &rdev->wiphy;
7740 request->scan_start = jiffies;
7742 rdev->scan_req = request;
7743 err = rdev_scan(rdev, request);
7746 nl80211_send_scan_start(rdev, wdev);
7748 dev_hold(wdev->netdev);
7751 rdev->scan_req = NULL;
7759 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
7761 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7762 struct wireless_dev *wdev = info->user_ptr[1];
7764 if (!rdev->ops->abort_scan)
7770 if (!rdev->scan_req)
7773 rdev_abort_scan(rdev, wdev);
7778 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
7779 struct cfg80211_sched_scan_request *request,
7780 struct nlattr **attrs)
7782 int tmp, err, i = 0;
7783 struct nlattr *attr;
7785 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7789 * If scan plans are not specified,
7790 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7791 * case one scan plan will be set with the specified scan
7792 * interval and infinite number of iterations.
7794 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
7798 request->scan_plans[0].interval =
7799 DIV_ROUND_UP(interval, MSEC_PER_SEC);
7800 if (!request->scan_plans[0].interval)
7803 if (request->scan_plans[0].interval >
7804 wiphy->max_sched_scan_plan_interval)
7805 request->scan_plans[0].interval =
7806 wiphy->max_sched_scan_plan_interval;
7811 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
7812 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
7814 if (WARN_ON(i >= n_plans))
7817 err = nla_parse_nested_deprecated(plan,
7818 NL80211_SCHED_SCAN_PLAN_MAX,
7819 attr, nl80211_plan_policy,
7824 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
7827 request->scan_plans[i].interval =
7828 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
7829 if (!request->scan_plans[i].interval ||
7830 request->scan_plans[i].interval >
7831 wiphy->max_sched_scan_plan_interval)
7834 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
7835 request->scan_plans[i].iterations =
7836 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
7837 if (!request->scan_plans[i].iterations ||
7838 (request->scan_plans[i].iterations >
7839 wiphy->max_sched_scan_plan_iterations))
7841 } else if (i < n_plans - 1) {
7843 * All scan plans but the last one must specify
7844 * a finite number of iterations
7853 * The last scan plan must not specify the number of
7854 * iterations, it is supposed to run infinitely
7856 if (request->scan_plans[n_plans - 1].iterations)
7863 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
7864 struct cfg80211_match_set *match_sets,
7865 struct nlattr *tb_band_rssi,
7868 struct nlattr *attr;
7869 int i, tmp, ret = 0;
7871 if (!wiphy_ext_feature_isset(wiphy,
7872 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
7876 for (i = 0; i < NUM_NL80211_BANDS; i++)
7877 match_sets->per_band_rssi_thold[i] =
7878 NL80211_SCAN_RSSI_THOLD_OFF;
7882 for (i = 0; i < NUM_NL80211_BANDS; i++)
7883 match_sets->per_band_rssi_thold[i] = rssi_thold;
7885 nla_for_each_nested(attr, tb_band_rssi, tmp) {
7886 enum nl80211_band band = nla_type(attr);
7888 if (band < 0 || band >= NUM_NL80211_BANDS)
7891 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
7897 static struct cfg80211_sched_scan_request *
7898 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
7899 struct nlattr **attrs, int max_match_sets)
7901 struct cfg80211_sched_scan_request *request;
7902 struct nlattr *attr;
7903 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
7904 enum nl80211_band band;
7906 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
7907 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
7909 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7910 n_channels = validate_scan_freqs(
7911 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7913 return ERR_PTR(-EINVAL);
7915 n_channels = ieee80211_get_num_supported_channels(wiphy);
7918 if (attrs[NL80211_ATTR_SCAN_SSIDS])
7919 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7923 if (n_ssids > wiphy->max_sched_scan_ssids)
7924 return ERR_PTR(-EINVAL);
7927 * First, count the number of 'real' matchsets. Due to an issue with
7928 * the old implementation, matchsets containing only the RSSI attribute
7929 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7930 * RSSI for all matchsets, rather than their own matchset for reporting
7931 * all APs with a strong RSSI. This is needed to be compatible with
7932 * older userspace that treated a matchset with only the RSSI as the
7933 * global RSSI for all other matchsets - if there are other matchsets.
7935 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7936 nla_for_each_nested(attr,
7937 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7939 struct nlattr *rssi;
7941 err = nla_parse_nested_deprecated(tb,
7942 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7944 nl80211_match_policy,
7947 return ERR_PTR(err);
7949 /* SSID and BSSID are mutually exclusive */
7950 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
7951 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
7952 return ERR_PTR(-EINVAL);
7954 /* add other standalone attributes here */
7955 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
7956 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
7960 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7962 default_match_rssi = nla_get_s32(rssi);
7966 /* However, if there's no other matchset, add the RSSI one */
7967 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
7970 if (n_match_sets > max_match_sets)
7971 return ERR_PTR(-EINVAL);
7973 if (attrs[NL80211_ATTR_IE])
7974 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
7978 if (ie_len > wiphy->max_sched_scan_ie_len)
7979 return ERR_PTR(-EINVAL);
7981 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7983 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7984 * each scan plan already specifies its own interval
7986 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7987 return ERR_PTR(-EINVAL);
7989 nla_for_each_nested(attr,
7990 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
7994 * The scan interval attribute is kept for backward
7995 * compatibility. If no scan plans are specified and sched scan
7996 * interval is specified, one scan plan will be set with this
7997 * scan interval and infinite number of iterations.
7999 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8000 return ERR_PTR(-EINVAL);
8005 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
8006 return ERR_PTR(-EINVAL);
8008 if (!wiphy_ext_feature_isset(
8009 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
8010 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
8011 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8012 return ERR_PTR(-EINVAL);
8014 request = kzalloc(sizeof(*request)
8015 + sizeof(*request->ssids) * n_ssids
8016 + sizeof(*request->match_sets) * n_match_sets
8017 + sizeof(*request->scan_plans) * n_plans
8018 + sizeof(*request->channels) * n_channels
8019 + ie_len, GFP_KERNEL);
8021 return ERR_PTR(-ENOMEM);
8024 request->ssids = (void *)&request->channels[n_channels];
8025 request->n_ssids = n_ssids;
8028 request->ie = (void *)(request->ssids + n_ssids);
8030 request->ie = (void *)(request->channels + n_channels);
8035 request->match_sets = (void *)(request->ie + ie_len);
8037 request->match_sets =
8038 (void *)(request->ssids + n_ssids);
8040 request->match_sets =
8041 (void *)(request->channels + n_channels);
8043 request->n_match_sets = n_match_sets;
8046 request->scan_plans = (void *)(request->match_sets +
8048 else if (request->ie)
8049 request->scan_plans = (void *)(request->ie + ie_len);
8051 request->scan_plans = (void *)(request->ssids + n_ssids);
8053 request->scan_plans = (void *)(request->channels + n_channels);
8055 request->n_scan_plans = n_plans;
8058 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8059 /* user specified, bail out if channel not found */
8060 nla_for_each_nested(attr,
8061 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
8063 struct ieee80211_channel *chan;
8065 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8072 /* ignore disabled channels */
8073 if (chan->flags & IEEE80211_CHAN_DISABLED)
8076 request->channels[i] = chan;
8081 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8084 if (!wiphy->bands[band])
8086 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8087 struct ieee80211_channel *chan;
8089 chan = &wiphy->bands[band]->channels[j];
8091 if (chan->flags & IEEE80211_CHAN_DISABLED)
8094 request->channels[i] = chan;
8105 request->n_channels = i;
8109 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8111 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8115 request->ssids[i].ssid_len = nla_len(attr);
8116 memcpy(request->ssids[i].ssid, nla_data(attr),
8123 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8124 nla_for_each_nested(attr,
8125 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8127 struct nlattr *ssid, *bssid, *rssi;
8129 err = nla_parse_nested_deprecated(tb,
8130 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8132 nl80211_match_policy,
8136 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
8137 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
8139 if (!ssid && !bssid) {
8144 if (WARN_ON(i >= n_match_sets)) {
8145 /* this indicates a programming error,
8146 * the loop above should have verified
8154 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
8158 memcpy(request->match_sets[i].ssid.ssid,
8159 nla_data(ssid), nla_len(ssid));
8160 request->match_sets[i].ssid.ssid_len =
8164 if (nla_len(bssid) != ETH_ALEN) {
8168 memcpy(request->match_sets[i].bssid,
8169 nla_data(bssid), ETH_ALEN);
8172 /* special attribute - old implementation w/a */
8173 request->match_sets[i].rssi_thold = default_match_rssi;
8174 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8176 request->match_sets[i].rssi_thold =
8179 /* Parse per band RSSI attribute */
8180 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8181 &request->match_sets[i],
8182 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8183 request->match_sets[i].rssi_thold);
8190 /* there was no other matchset, so the RSSI one is alone */
8191 if (i == 0 && n_match_sets)
8192 request->match_sets[0].rssi_thold = default_match_rssi;
8194 request->min_rssi_thold = INT_MAX;
8195 for (i = 0; i < n_match_sets; i++)
8196 request->min_rssi_thold =
8197 min(request->match_sets[i].rssi_thold,
8198 request->min_rssi_thold);
8200 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8204 request->ie_len = ie_len;
8205 memcpy((void *)request->ie,
8206 nla_data(attrs[NL80211_ATTR_IE]),
8210 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8214 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8216 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8218 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8219 request->relative_rssi = nla_get_s8(
8220 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8221 request->relative_rssi_set = true;
8224 if (request->relative_rssi_set &&
8225 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8226 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8228 rssi_adjust = nla_data(
8229 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8230 request->rssi_adjust.band = rssi_adjust->band;
8231 request->rssi_adjust.delta = rssi_adjust->delta;
8232 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8238 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8242 request->scan_start = jiffies;
8248 return ERR_PTR(err);
8251 static int nl80211_start_sched_scan(struct sk_buff *skb,
8252 struct genl_info *info)
8254 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8255 struct net_device *dev = info->user_ptr[1];
8256 struct wireless_dev *wdev = dev->ieee80211_ptr;
8257 struct cfg80211_sched_scan_request *sched_scan_req;
8261 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8264 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8265 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8269 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8271 rdev->wiphy.max_match_sets);
8273 err = PTR_ERR_OR_ZERO(sched_scan_req);
8277 /* leave request id zero for legacy request
8278 * or if driver does not support multi-scheduled scan
8280 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) {
8281 while (!sched_scan_req->reqid)
8282 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8285 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
8289 sched_scan_req->dev = dev;
8290 sched_scan_req->wiphy = &rdev->wiphy;
8292 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8293 sched_scan_req->owner_nlportid = info->snd_portid;
8295 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
8297 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
8301 kfree(sched_scan_req);
8306 static int nl80211_stop_sched_scan(struct sk_buff *skb,
8307 struct genl_info *info)
8309 struct cfg80211_sched_scan_request *req;
8310 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8313 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
8316 if (info->attrs[NL80211_ATTR_COOKIE]) {
8317 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8318 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8321 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8322 struct cfg80211_sched_scan_request,
8324 if (!req || req->reqid ||
8325 (req->owner_nlportid &&
8326 req->owner_nlportid != info->snd_portid))
8329 return cfg80211_stop_sched_scan_req(rdev, req, false);
8332 static int nl80211_start_radar_detection(struct sk_buff *skb,
8333 struct genl_info *info)
8335 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8336 struct net_device *dev = info->user_ptr[1];
8337 struct wireless_dev *wdev = dev->ieee80211_ptr;
8338 struct wiphy *wiphy = wdev->wiphy;
8339 struct cfg80211_chan_def chandef;
8340 enum nl80211_dfs_regions dfs_region;
8341 unsigned int cac_time_ms;
8344 dfs_region = reg_get_dfs_region(wiphy);
8345 if (dfs_region == NL80211_DFS_UNSET)
8348 err = nl80211_parse_chandef(rdev, info, &chandef);
8352 if (netif_carrier_ok(dev))
8355 if (wdev->cac_started)
8358 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8365 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
8368 /* CAC start is offloaded to HW and can't be started manually */
8369 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8372 if (!rdev->ops->start_radar_detection)
8375 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8376 if (WARN_ON(!cac_time_ms))
8377 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8379 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
8381 wdev->chandef = chandef;
8382 wdev->cac_started = true;
8383 wdev->cac_start_time = jiffies;
8384 wdev->cac_time_ms = cac_time_ms;
8389 static int nl80211_notify_radar_detection(struct sk_buff *skb,
8390 struct genl_info *info)
8392 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8393 struct net_device *dev = info->user_ptr[1];
8394 struct wireless_dev *wdev = dev->ieee80211_ptr;
8395 struct wiphy *wiphy = wdev->wiphy;
8396 struct cfg80211_chan_def chandef;
8397 enum nl80211_dfs_regions dfs_region;
8400 dfs_region = reg_get_dfs_region(wiphy);
8401 if (dfs_region == NL80211_DFS_UNSET) {
8402 GENL_SET_ERR_MSG(info,
8403 "DFS Region is not set. Unexpected Radar indication");
8407 err = nl80211_parse_chandef(rdev, info, &chandef);
8409 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8413 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8415 GENL_SET_ERR_MSG(info, "chandef is invalid");
8420 GENL_SET_ERR_MSG(info,
8421 "Unexpected Radar indication for chandef/iftype");
8425 /* Do not process this notification if radar is already detected
8426 * by kernel on this channel, and return success.
8428 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8431 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8433 cfg80211_sched_dfs_chan_update(rdev);
8435 rdev->radar_chandef = chandef;
8437 /* Propagate this notification to other radios as well */
8438 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8443 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8445 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8446 struct net_device *dev = info->user_ptr[1];
8447 struct wireless_dev *wdev = dev->ieee80211_ptr;
8448 struct cfg80211_csa_settings params;
8449 /* csa_attrs is defined static to avoid waste of stack size - this
8450 * function is called under RTNL lock, so this should not be a problem.
8452 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
8454 bool need_new_beacon = false;
8455 bool need_handle_dfs_flag = true;
8459 if (!rdev->ops->channel_switch ||
8460 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
8463 switch (dev->ieee80211_ptr->iftype) {
8464 case NL80211_IFTYPE_AP:
8465 case NL80211_IFTYPE_P2P_GO:
8466 need_new_beacon = true;
8467 /* For all modes except AP the handle_dfs flag needs to be
8468 * supplied to tell the kernel that userspace will handle radar
8469 * events when they happen. Otherwise a switch to a channel
8470 * requiring DFS will be rejected.
8472 need_handle_dfs_flag = false;
8474 /* useless if AP is not running */
8475 if (!wdev->beacon_interval)
8478 case NL80211_IFTYPE_ADHOC:
8479 if (!wdev->ssid_len)
8482 case NL80211_IFTYPE_MESH_POINT:
8483 if (!wdev->mesh_id_len)
8490 memset(¶ms, 0, sizeof(params));
8491 params.beacon_csa.ftm_responder = -1;
8493 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8494 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
8497 /* only important for AP, IBSS and mesh create IEs internally */
8498 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
8501 /* Even though the attribute is u32, the specification says
8502 * u8, so let's make sure we don't overflow.
8504 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
8508 params.count = cs_count;
8510 if (!need_new_beacon)
8513 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
8517 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
8518 info->attrs[NL80211_ATTR_CSA_IES],
8519 nl80211_policy, info->extack);
8523 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
8527 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
8530 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8531 if (!len || (len % sizeof(u16)))
8534 params.n_counter_offsets_beacon = len / sizeof(u16);
8535 if (rdev->wiphy.max_num_csa_counters &&
8536 (params.n_counter_offsets_beacon >
8537 rdev->wiphy.max_num_csa_counters))
8540 params.counter_offsets_beacon =
8541 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8543 /* sanity checks - counters should fit and be the same */
8544 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
8545 u16 offset = params.counter_offsets_beacon[i];
8547 if (offset >= params.beacon_csa.tail_len)
8550 if (params.beacon_csa.tail[offset] != params.count)
8554 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
8555 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8556 if (!len || (len % sizeof(u16)))
8559 params.n_counter_offsets_presp = len / sizeof(u16);
8560 if (rdev->wiphy.max_num_csa_counters &&
8561 (params.n_counter_offsets_presp >
8562 rdev->wiphy.max_num_csa_counters))
8565 params.counter_offsets_presp =
8566 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8568 /* sanity checks - counters should fit and be the same */
8569 for (i = 0; i < params.n_counter_offsets_presp; i++) {
8570 u16 offset = params.counter_offsets_presp[i];
8572 if (offset >= params.beacon_csa.probe_resp_len)
8575 if (params.beacon_csa.probe_resp[offset] !=
8582 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
8586 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
8590 err = cfg80211_chandef_dfs_required(wdev->wiphy,
8597 params.radar_required = true;
8598 if (need_handle_dfs_flag &&
8599 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
8604 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
8605 params.block_tx = true;
8608 err = rdev_channel_switch(rdev, dev, ¶ms);
8614 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
8616 struct cfg80211_registered_device *rdev,
8617 struct wireless_dev *wdev,
8618 struct cfg80211_internal_bss *intbss)
8620 struct cfg80211_bss *res = &intbss->pub;
8621 const struct cfg80211_bss_ies *ies;
8625 ASSERT_WDEV_LOCK(wdev);
8627 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8628 NL80211_CMD_NEW_SCAN_RESULTS);
8632 genl_dump_check_consistent(cb, hdr);
8634 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
8635 goto nla_put_failure;
8637 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
8638 goto nla_put_failure;
8639 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
8641 goto nla_put_failure;
8643 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
8645 goto nla_put_failure;
8646 if ((!is_zero_ether_addr(res->bssid) &&
8647 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
8648 goto nla_put_failure;
8651 /* indicate whether we have probe response data or not */
8652 if (rcu_access_pointer(res->proberesp_ies) &&
8653 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
8654 goto fail_unlock_rcu;
8656 /* this pointer prefers to be pointed to probe response data
8657 * but is always valid
8659 ies = rcu_dereference(res->ies);
8661 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
8663 goto fail_unlock_rcu;
8664 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
8665 ies->len, ies->data))
8666 goto fail_unlock_rcu;
8669 /* and this pointer is always (unless driver didn't know) beacon data */
8670 ies = rcu_dereference(res->beacon_ies);
8671 if (ies && ies->from_beacon) {
8672 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
8674 goto fail_unlock_rcu;
8675 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
8676 ies->len, ies->data))
8677 goto fail_unlock_rcu;
8681 if (res->beacon_interval &&
8682 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
8683 goto nla_put_failure;
8684 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
8685 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
8686 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
8687 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
8688 jiffies_to_msecs(jiffies - intbss->ts)))
8689 goto nla_put_failure;
8691 if (intbss->parent_tsf &&
8692 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
8693 intbss->parent_tsf, NL80211_BSS_PAD) ||
8694 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
8695 intbss->parent_bssid)))
8696 goto nla_put_failure;
8698 if (intbss->ts_boottime &&
8699 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
8700 intbss->ts_boottime, NL80211_BSS_PAD))
8701 goto nla_put_failure;
8703 if (!nl80211_put_signal(msg, intbss->pub.chains,
8704 intbss->pub.chain_signal,
8705 NL80211_BSS_CHAIN_SIGNAL))
8706 goto nla_put_failure;
8708 switch (rdev->wiphy.signal_type) {
8709 case CFG80211_SIGNAL_TYPE_MBM:
8710 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
8711 goto nla_put_failure;
8713 case CFG80211_SIGNAL_TYPE_UNSPEC:
8714 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
8715 goto nla_put_failure;
8721 switch (wdev->iftype) {
8722 case NL80211_IFTYPE_P2P_CLIENT:
8723 case NL80211_IFTYPE_STATION:
8724 if (intbss == wdev->current_bss &&
8725 nla_put_u32(msg, NL80211_BSS_STATUS,
8726 NL80211_BSS_STATUS_ASSOCIATED))
8727 goto nla_put_failure;
8729 case NL80211_IFTYPE_ADHOC:
8730 if (intbss == wdev->current_bss &&
8731 nla_put_u32(msg, NL80211_BSS_STATUS,
8732 NL80211_BSS_STATUS_IBSS_JOINED))
8733 goto nla_put_failure;
8739 nla_nest_end(msg, bss);
8741 genlmsg_end(msg, hdr);
8747 genlmsg_cancel(msg, hdr);
8751 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
8753 struct cfg80211_registered_device *rdev;
8754 struct cfg80211_internal_bss *scan;
8755 struct wireless_dev *wdev;
8756 int start = cb->args[2], idx = 0;
8760 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8767 spin_lock_bh(&rdev->bss_lock);
8770 * dump_scan will be called multiple times to break up the scan results
8771 * into multiple messages. It is unlikely that any more bss-es will be
8772 * expired after the first call, so only call only call this on the
8773 * first dump_scan invocation.
8776 cfg80211_bss_expire(rdev);
8778 cb->seq = rdev->bss_generation;
8780 list_for_each_entry(scan, &rdev->bss_list, list) {
8783 if (nl80211_send_bss(skb, cb,
8784 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8785 rdev, wdev, scan) < 0) {
8791 spin_unlock_bh(&rdev->bss_lock);
8800 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
8801 int flags, struct net_device *dev,
8802 bool allow_radio_stats,
8803 struct survey_info *survey)
8806 struct nlattr *infoattr;
8808 /* skip radio stats if userspace didn't request them */
8809 if (!survey->channel && !allow_radio_stats)
8812 hdr = nl80211hdr_put(msg, portid, seq, flags,
8813 NL80211_CMD_NEW_SURVEY_RESULTS);
8817 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
8818 goto nla_put_failure;
8820 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
8822 goto nla_put_failure;
8824 if (survey->channel &&
8825 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
8826 survey->channel->center_freq))
8827 goto nla_put_failure;
8829 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
8830 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
8831 goto nla_put_failure;
8832 if ((survey->filled & SURVEY_INFO_IN_USE) &&
8833 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
8834 goto nla_put_failure;
8835 if ((survey->filled & SURVEY_INFO_TIME) &&
8836 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
8837 survey->time, NL80211_SURVEY_INFO_PAD))
8838 goto nla_put_failure;
8839 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
8840 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
8841 survey->time_busy, NL80211_SURVEY_INFO_PAD))
8842 goto nla_put_failure;
8843 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
8844 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
8845 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
8846 goto nla_put_failure;
8847 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
8848 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
8849 survey->time_rx, NL80211_SURVEY_INFO_PAD))
8850 goto nla_put_failure;
8851 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
8852 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
8853 survey->time_tx, NL80211_SURVEY_INFO_PAD))
8854 goto nla_put_failure;
8855 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
8856 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
8857 survey->time_scan, NL80211_SURVEY_INFO_PAD))
8858 goto nla_put_failure;
8859 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
8860 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
8861 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
8862 goto nla_put_failure;
8864 nla_nest_end(msg, infoattr);
8866 genlmsg_end(msg, hdr);
8870 genlmsg_cancel(msg, hdr);
8874 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
8876 struct nlattr **attrbuf;
8877 struct survey_info survey;
8878 struct cfg80211_registered_device *rdev;
8879 struct wireless_dev *wdev;
8880 int survey_idx = cb->args[2];
8884 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
8889 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8893 /* prepare_wdev_dump parsed the attributes */
8894 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
8896 if (!wdev->netdev) {
8901 if (!rdev->ops->dump_survey) {
8907 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
8913 /* don't send disabled channels, but do send non-channel data */
8914 if (survey.channel &&
8915 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
8920 if (nl80211_send_survey(skb,
8921 NETLINK_CB(cb->skb).portid,
8922 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8923 wdev->netdev, radio_stats, &survey) < 0)
8929 cb->args[2] = survey_idx;
8937 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
8939 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
8940 NL80211_WPA_VERSION_2 |
8941 NL80211_WPA_VERSION_3));
8944 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
8946 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8947 struct net_device *dev = info->user_ptr[1];
8948 struct ieee80211_channel *chan;
8949 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
8950 int err, ssid_len, ie_len = 0, auth_data_len = 0;
8951 enum nl80211_auth_type auth_type;
8952 struct key_parse key;
8953 bool local_state_change;
8955 if (!info->attrs[NL80211_ATTR_MAC])
8958 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
8961 if (!info->attrs[NL80211_ATTR_SSID])
8964 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
8967 err = nl80211_parse_key(info, &key);
8972 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
8974 if (!key.p.key || !key.p.key_len)
8976 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
8977 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
8978 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
8979 key.p.key_len != WLAN_KEY_LEN_WEP104))
8992 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
8993 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
9002 if (!rdev->ops->auth)
9005 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9006 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9009 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9010 chan = nl80211_get_valid_chan(&rdev->wiphy,
9011 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9015 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9016 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9018 if (info->attrs[NL80211_ATTR_IE]) {
9019 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9020 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9023 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9024 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
9027 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9028 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9029 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9030 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
9031 !info->attrs[NL80211_ATTR_AUTH_DATA])
9034 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
9035 if (auth_type != NL80211_AUTHTYPE_SAE &&
9036 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9037 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9038 auth_type != NL80211_AUTHTYPE_FILS_PK)
9040 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9041 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
9042 /* need to include at least Auth Transaction and Status Code */
9043 if (auth_data_len < 4)
9047 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9050 * Since we no longer track auth state, ignore
9051 * requests to only change local state.
9053 if (local_state_change)
9056 wdev_lock(dev->ieee80211_ptr);
9057 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9058 ssid, ssid_len, ie, ie_len,
9059 key.p.key, key.p.key_len, key.idx,
9060 auth_data, auth_data_len);
9061 wdev_unlock(dev->ieee80211_ptr);
9065 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9066 struct genl_info *info)
9068 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9069 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9073 if (!rdev->ops->tx_control_port ||
9074 !wiphy_ext_feature_isset(&rdev->wiphy,
9075 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9081 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9082 struct genl_info *info,
9083 struct cfg80211_crypto_settings *settings,
9086 memset(settings, 0, sizeof(*settings));
9088 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9090 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9093 proto = nla_get_u16(
9094 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9095 settings->control_port_ethertype = cpu_to_be16(proto);
9096 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9099 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9100 settings->control_port_no_encrypt = true;
9102 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9104 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9105 int r = validate_pae_over_nl80211(rdev, info);
9110 settings->control_port_over_nl80211 = true;
9113 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9117 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9118 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9119 settings->n_ciphers_pairwise = len / sizeof(u32);
9121 if (len % sizeof(u32))
9124 if (settings->n_ciphers_pairwise > cipher_limit)
9127 memcpy(settings->ciphers_pairwise, data, len);
9129 for (i = 0; i < settings->n_ciphers_pairwise; i++)
9130 if (!cfg80211_supported_cipher_suite(
9132 settings->ciphers_pairwise[i]))
9136 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9137 settings->cipher_group =
9138 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
9139 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9140 settings->cipher_group))
9144 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9145 settings->wpa_versions =
9146 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9147 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9151 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9155 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9156 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9157 settings->n_akm_suites = len / sizeof(u32);
9159 if (len % sizeof(u32))
9162 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9165 memcpy(settings->akm_suites, data, len);
9168 if (info->attrs[NL80211_ATTR_PMK]) {
9169 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9171 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9172 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
9174 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9177 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9178 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9179 NL80211_EXT_FEATURE_SAE_OFFLOAD))
9182 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9183 settings->sae_pwd_len =
9184 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9190 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9192 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9193 struct net_device *dev = info->user_ptr[1];
9194 struct ieee80211_channel *chan;
9195 struct cfg80211_assoc_request req = {};
9196 const u8 *bssid, *ssid;
9197 int err, ssid_len = 0;
9199 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9200 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9203 if (!info->attrs[NL80211_ATTR_MAC] ||
9204 !info->attrs[NL80211_ATTR_SSID] ||
9205 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
9208 if (!rdev->ops->assoc)
9211 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9212 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9215 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9217 chan = nl80211_get_valid_chan(&rdev->wiphy,
9218 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9222 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9223 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9225 if (info->attrs[NL80211_ATTR_IE]) {
9226 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9227 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9230 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9231 enum nl80211_mfp mfp =
9232 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9233 if (mfp == NL80211_MFP_REQUIRED)
9235 else if (mfp != NL80211_MFP_NO)
9239 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9240 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9242 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9243 req.flags |= ASSOC_REQ_DISABLE_HT;
9245 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9246 memcpy(&req.ht_capa_mask,
9247 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9248 sizeof(req.ht_capa_mask));
9250 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9251 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9253 memcpy(&req.ht_capa,
9254 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9255 sizeof(req.ht_capa));
9258 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9259 req.flags |= ASSOC_REQ_DISABLE_VHT;
9261 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9262 memcpy(&req.vht_capa_mask,
9263 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9264 sizeof(req.vht_capa_mask));
9266 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9267 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9269 memcpy(&req.vht_capa,
9270 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9271 sizeof(req.vht_capa));
9274 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9275 if (!((rdev->wiphy.features &
9276 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9277 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9278 !wiphy_ext_feature_isset(&rdev->wiphy,
9279 NL80211_EXT_FEATURE_RRM))
9281 req.flags |= ASSOC_REQ_USE_RRM;
9284 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9285 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9286 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9287 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9290 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9293 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
9295 wdev_lock(dev->ieee80211_ptr);
9297 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9298 ssid, ssid_len, &req);
9300 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9301 dev->ieee80211_ptr->conn_owner_nlportid =
9303 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9307 wdev_unlock(dev->ieee80211_ptr);
9313 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9315 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9316 struct net_device *dev = info->user_ptr[1];
9317 const u8 *ie = NULL, *bssid;
9318 int ie_len = 0, err;
9320 bool local_state_change;
9322 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9323 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9326 if (!info->attrs[NL80211_ATTR_MAC])
9329 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9332 if (!rdev->ops->deauth)
9335 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9336 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9339 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9341 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9342 if (reason_code == 0) {
9343 /* Reason Code 0 is reserved */
9347 if (info->attrs[NL80211_ATTR_IE]) {
9348 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9349 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9352 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9354 wdev_lock(dev->ieee80211_ptr);
9355 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9356 local_state_change);
9357 wdev_unlock(dev->ieee80211_ptr);
9361 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9363 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9364 struct net_device *dev = info->user_ptr[1];
9365 const u8 *ie = NULL, *bssid;
9366 int ie_len = 0, err;
9368 bool local_state_change;
9370 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9371 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9374 if (!info->attrs[NL80211_ATTR_MAC])
9377 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9380 if (!rdev->ops->disassoc)
9383 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9384 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9387 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9389 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9390 if (reason_code == 0) {
9391 /* Reason Code 0 is reserved */
9395 if (info->attrs[NL80211_ATTR_IE]) {
9396 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9397 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9400 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9402 wdev_lock(dev->ieee80211_ptr);
9403 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9404 local_state_change);
9405 wdev_unlock(dev->ieee80211_ptr);
9410 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
9411 int mcast_rate[NUM_NL80211_BANDS],
9414 struct wiphy *wiphy = &rdev->wiphy;
9418 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9419 struct ieee80211_supported_band *sband;
9421 sband = wiphy->bands[band];
9425 for (i = 0; i < sband->n_bitrates; i++) {
9426 if (sband->bitrates[i].bitrate == rateval) {
9427 mcast_rate[band] = i + 1;
9437 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
9439 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9440 struct net_device *dev = info->user_ptr[1];
9441 struct cfg80211_ibss_params ibss;
9442 struct wiphy *wiphy;
9443 struct cfg80211_cached_keys *connkeys = NULL;
9446 memset(&ibss, 0, sizeof(ibss));
9448 if (!info->attrs[NL80211_ATTR_SSID] ||
9449 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9452 ibss.beacon_interval = 100;
9454 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
9455 ibss.beacon_interval =
9456 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9458 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
9459 ibss.beacon_interval);
9463 if (!rdev->ops->join_ibss)
9466 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9469 wiphy = &rdev->wiphy;
9471 if (info->attrs[NL80211_ATTR_MAC]) {
9472 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9474 if (!is_valid_ether_addr(ibss.bssid))
9477 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9478 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9480 if (info->attrs[NL80211_ATTR_IE]) {
9481 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9482 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9485 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
9489 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
9490 NL80211_IFTYPE_ADHOC))
9493 switch (ibss.chandef.width) {
9494 case NL80211_CHAN_WIDTH_5:
9495 case NL80211_CHAN_WIDTH_10:
9496 case NL80211_CHAN_WIDTH_20_NOHT:
9498 case NL80211_CHAN_WIDTH_20:
9499 case NL80211_CHAN_WIDTH_40:
9500 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9503 case NL80211_CHAN_WIDTH_80:
9504 case NL80211_CHAN_WIDTH_80P80:
9505 case NL80211_CHAN_WIDTH_160:
9506 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9508 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9509 NL80211_EXT_FEATURE_VHT_IBSS))
9516 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
9517 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
9519 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9521 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9523 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9524 struct ieee80211_supported_band *sband =
9525 wiphy->bands[ibss.chandef.chan->band];
9527 err = ieee80211_get_ratemask(sband, rates, n_rates,
9533 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9534 memcpy(&ibss.ht_capa_mask,
9535 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9536 sizeof(ibss.ht_capa_mask));
9538 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9539 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9541 memcpy(&ibss.ht_capa,
9542 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9543 sizeof(ibss.ht_capa));
9546 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9547 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
9548 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9551 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9554 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
9555 if (IS_ERR(connkeys))
9556 return PTR_ERR(connkeys);
9558 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
9566 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
9568 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9569 int r = validate_pae_over_nl80211(rdev, info);
9576 ibss.control_port_over_nl80211 = true;
9579 ibss.userspace_handles_dfs =
9580 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9582 wdev_lock(dev->ieee80211_ptr);
9583 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
9586 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9587 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9588 wdev_unlock(dev->ieee80211_ptr);
9593 static int nl80211_leave_ibss(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];
9598 if (!rdev->ops->leave_ibss)
9601 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9604 return cfg80211_leave_ibss(rdev, dev, false);
9607 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
9609 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9610 struct net_device *dev = info->user_ptr[1];
9611 int mcast_rate[NUM_NL80211_BANDS];
9615 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
9616 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
9617 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
9620 if (!rdev->ops->set_mcast_rate)
9623 memset(mcast_rate, 0, sizeof(mcast_rate));
9625 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
9628 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
9629 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
9632 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
9637 static struct sk_buff *
9638 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
9639 struct wireless_dev *wdev, int approxlen,
9640 u32 portid, u32 seq, enum nl80211_commands cmd,
9641 enum nl80211_attrs attr,
9642 const struct nl80211_vendor_cmd_info *info,
9645 struct sk_buff *skb;
9647 struct nlattr *data;
9649 skb = nlmsg_new(approxlen + 100, gfp);
9653 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
9659 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
9660 goto nla_put_failure;
9663 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
9665 goto nla_put_failure;
9666 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
9668 goto nla_put_failure;
9672 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
9673 wdev_id(wdev), NL80211_ATTR_PAD))
9674 goto nla_put_failure;
9676 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
9677 wdev->netdev->ifindex))
9678 goto nla_put_failure;
9681 data = nla_nest_start_noflag(skb, attr);
9683 goto nla_put_failure;
9685 ((void **)skb->cb)[0] = rdev;
9686 ((void **)skb->cb)[1] = hdr;
9687 ((void **)skb->cb)[2] = data;
9696 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
9697 struct wireless_dev *wdev,
9698 enum nl80211_commands cmd,
9699 enum nl80211_attrs attr,
9700 unsigned int portid,
9701 int vendor_event_idx,
9702 int approxlen, gfp_t gfp)
9704 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
9705 const struct nl80211_vendor_cmd_info *info;
9708 case NL80211_CMD_TESTMODE:
9709 if (WARN_ON(vendor_event_idx != -1))
9713 case NL80211_CMD_VENDOR:
9714 if (WARN_ON(vendor_event_idx < 0 ||
9715 vendor_event_idx >= wiphy->n_vendor_events))
9717 info = &wiphy->vendor_events[vendor_event_idx];
9724 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
9725 cmd, attr, info, gfp);
9727 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
9729 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
9731 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9732 void *hdr = ((void **)skb->cb)[1];
9733 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
9734 struct nlattr *data = ((void **)skb->cb)[2];
9735 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
9737 /* clear CB data for netlink core to own from now on */
9738 memset(skb->cb, 0, sizeof(skb->cb));
9740 nla_nest_end(skb, data);
9741 genlmsg_end(skb, hdr);
9743 if (nlhdr->nlmsg_pid) {
9744 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
9747 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
9748 mcgrp = NL80211_MCGRP_VENDOR;
9750 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
9751 skb, 0, mcgrp, gfp);
9754 EXPORT_SYMBOL(__cfg80211_send_event_skb);
9756 #ifdef CONFIG_NL80211_TESTMODE
9757 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
9759 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9760 struct wireless_dev *wdev =
9761 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
9764 if (!rdev->ops->testmode_cmd)
9768 err = PTR_ERR(wdev);
9772 } else if (wdev->wiphy != &rdev->wiphy) {
9776 if (!info->attrs[NL80211_ATTR_TESTDATA])
9779 rdev->cur_cmd_info = info;
9780 err = rdev_testmode_cmd(rdev, wdev,
9781 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
9782 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
9783 rdev->cur_cmd_info = NULL;
9788 static int nl80211_testmode_dump(struct sk_buff *skb,
9789 struct netlink_callback *cb)
9791 struct cfg80211_registered_device *rdev;
9792 struct nlattr **attrbuf = NULL;
9802 * 0 is a valid index, but not valid for args[0],
9803 * so we need to offset by 1.
9805 phy_idx = cb->args[0] - 1;
9807 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
9813 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
9820 err = nlmsg_parse_deprecated(cb->nlh,
9821 GENL_HDRLEN + nl80211_fam.hdrsize,
9822 attrbuf, nl80211_fam.maxattr,
9823 nl80211_policy, NULL);
9827 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
9829 err = PTR_ERR(rdev);
9832 phy_idx = rdev->wiphy_idx;
9834 if (attrbuf[NL80211_ATTR_TESTDATA])
9835 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
9839 data = nla_data((void *)cb->args[1]);
9840 data_len = nla_len((void *)cb->args[1]);
9843 if (!rdev->ops->testmode_dump) {
9849 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
9850 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9851 NL80211_CMD_TESTMODE);
9852 struct nlattr *tmdata;
9857 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
9858 genlmsg_cancel(skb, hdr);
9862 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
9864 genlmsg_cancel(skb, hdr);
9867 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
9868 nla_nest_end(skb, tmdata);
9870 if (err == -ENOBUFS || err == -ENOENT) {
9871 genlmsg_cancel(skb, hdr);
9874 genlmsg_cancel(skb, hdr);
9878 genlmsg_end(skb, hdr);
9883 cb->args[0] = phy_idx + 1;
9891 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
9893 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9894 struct net_device *dev = info->user_ptr[1];
9895 struct cfg80211_connect_params connect;
9896 struct wiphy *wiphy;
9897 struct cfg80211_cached_keys *connkeys = NULL;
9900 memset(&connect, 0, sizeof(connect));
9902 if (!info->attrs[NL80211_ATTR_SSID] ||
9903 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9906 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9908 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9909 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
9910 NL80211_CMD_CONNECT))
9913 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
9915 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
9917 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
9918 !wiphy_ext_feature_isset(&rdev->wiphy,
9919 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
9921 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
9923 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
9924 NL80211_MAX_NR_CIPHER_SUITES);
9928 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9929 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9932 wiphy = &rdev->wiphy;
9934 connect.bg_scan_period = -1;
9935 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
9936 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
9937 connect.bg_scan_period =
9938 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
9941 if (info->attrs[NL80211_ATTR_MAC])
9942 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9943 else if (info->attrs[NL80211_ATTR_MAC_HINT])
9944 connect.bssid_hint =
9945 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
9946 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9947 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9949 if (info->attrs[NL80211_ATTR_IE]) {
9950 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9951 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9954 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9955 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9956 if (connect.mfp == NL80211_MFP_OPTIONAL &&
9957 !wiphy_ext_feature_isset(&rdev->wiphy,
9958 NL80211_EXT_FEATURE_MFP_OPTIONAL))
9961 connect.mfp = NL80211_MFP_NO;
9964 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9965 connect.prev_bssid =
9966 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9968 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9969 connect.channel = nl80211_get_valid_chan(
9970 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9971 if (!connect.channel)
9973 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
9974 connect.channel_hint = nl80211_get_valid_chan(
9975 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
9976 if (!connect.channel_hint)
9980 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
9981 connect.edmg.channels =
9982 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
9984 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
9985 connect.edmg.bw_config =
9986 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
9989 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9990 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
9991 if (IS_ERR(connkeys))
9992 return PTR_ERR(connkeys);
9995 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9996 connect.flags |= ASSOC_REQ_DISABLE_HT;
9998 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9999 memcpy(&connect.ht_capa_mask,
10000 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10001 sizeof(connect.ht_capa_mask));
10003 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10004 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
10008 memcpy(&connect.ht_capa,
10009 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10010 sizeof(connect.ht_capa));
10013 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10014 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10016 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10017 memcpy(&connect.vht_capa_mask,
10018 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10019 sizeof(connect.vht_capa_mask));
10021 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10022 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
10026 memcpy(&connect.vht_capa,
10027 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10028 sizeof(connect.vht_capa));
10031 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10032 if (!((rdev->wiphy.features &
10033 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10034 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10035 !wiphy_ext_feature_isset(&rdev->wiphy,
10036 NL80211_EXT_FEATURE_RRM)) {
10040 connect.flags |= ASSOC_REQ_USE_RRM;
10043 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
10044 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
10046 return -EOPNOTSUPP;
10049 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10050 /* bss selection makes no sense if bssid is set */
10051 if (connect.bssid) {
10056 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10057 wiphy, &connect.bss_select);
10064 if (wiphy_ext_feature_isset(&rdev->wiphy,
10065 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10066 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10067 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10068 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10069 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10070 connect.fils_erp_username =
10071 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10072 connect.fils_erp_username_len =
10073 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10074 connect.fils_erp_realm =
10075 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10076 connect.fils_erp_realm_len =
10077 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10078 connect.fils_erp_next_seq_num =
10080 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10081 connect.fils_erp_rrk =
10082 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10083 connect.fils_erp_rrk_len =
10084 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10085 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10086 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10087 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10088 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10093 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10094 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10096 GENL_SET_ERR_MSG(info,
10097 "external auth requires connection ownership");
10100 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10103 wdev_lock(dev->ieee80211_ptr);
10105 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10106 connect.prev_bssid);
10110 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10111 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10113 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10114 connect.bssid, ETH_ALEN);
10116 memset(dev->ieee80211_ptr->disconnect_bssid,
10120 wdev_unlock(dev->ieee80211_ptr);
10125 static int nl80211_update_connect_params(struct sk_buff *skb,
10126 struct genl_info *info)
10128 struct cfg80211_connect_params connect = {};
10129 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10130 struct net_device *dev = info->user_ptr[1];
10131 struct wireless_dev *wdev = dev->ieee80211_ptr;
10132 bool fils_sk_offload;
10137 if (!rdev->ops->update_connect_params)
10138 return -EOPNOTSUPP;
10140 if (info->attrs[NL80211_ATTR_IE]) {
10141 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10142 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10143 changed |= UPDATE_ASSOC_IES;
10146 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10147 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10150 * when driver supports fils-sk offload all attributes must be
10151 * provided. So the else covers "fils-sk-not-all" and
10152 * "no-fils-sk-any".
10154 if (fils_sk_offload &&
10155 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10156 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10157 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10158 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10159 connect.fils_erp_username =
10160 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10161 connect.fils_erp_username_len =
10162 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10163 connect.fils_erp_realm =
10164 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10165 connect.fils_erp_realm_len =
10166 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10167 connect.fils_erp_next_seq_num =
10169 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10170 connect.fils_erp_rrk =
10171 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10172 connect.fils_erp_rrk_len =
10173 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10174 changed |= UPDATE_FILS_ERP_INFO;
10175 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10176 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10177 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10178 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10182 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10183 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10184 if (!nl80211_valid_auth_type(rdev, auth_type,
10185 NL80211_CMD_CONNECT))
10188 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
10189 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
10192 connect.auth_type = auth_type;
10193 changed |= UPDATE_AUTH_TYPE;
10196 wdev_lock(dev->ieee80211_ptr);
10197 if (!wdev->current_bss)
10200 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
10201 wdev_unlock(dev->ieee80211_ptr);
10206 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
10208 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10209 struct net_device *dev = info->user_ptr[1];
10213 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10214 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10217 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10218 reason = WLAN_REASON_DEAUTH_LEAVING;
10220 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10225 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10226 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10227 return -EOPNOTSUPP;
10229 wdev_lock(dev->ieee80211_ptr);
10230 ret = cfg80211_disconnect(rdev, dev, reason, true);
10231 wdev_unlock(dev->ieee80211_ptr);
10235 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
10237 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10241 if (info->attrs[NL80211_ATTR_PID]) {
10242 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
10244 net = get_net_ns_by_pid(pid);
10245 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
10246 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
10248 net = get_net_ns_by_fd(fd);
10254 return PTR_ERR(net);
10258 /* check if anything to do */
10259 if (!net_eq(wiphy_net(&rdev->wiphy), net))
10260 err = cfg80211_switch_netns(rdev, net);
10266 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10268 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10269 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10270 struct cfg80211_pmksa *pmksa) = NULL;
10271 struct net_device *dev = info->user_ptr[1];
10272 struct cfg80211_pmksa pmksa;
10274 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10276 if (!info->attrs[NL80211_ATTR_PMKID])
10279 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
10281 if (info->attrs[NL80211_ATTR_MAC]) {
10282 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10283 } else if (info->attrs[NL80211_ATTR_SSID] &&
10284 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10285 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10286 info->attrs[NL80211_ATTR_PMK])) {
10287 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10288 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10290 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10294 if (info->attrs[NL80211_ATTR_PMK]) {
10295 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10296 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10299 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10300 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10301 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10302 wiphy_ext_feature_isset(&rdev->wiphy,
10303 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
10304 return -EOPNOTSUPP;
10306 switch (info->genlhdr->cmd) {
10307 case NL80211_CMD_SET_PMKSA:
10308 rdev_ops = rdev->ops->set_pmksa;
10310 case NL80211_CMD_DEL_PMKSA:
10311 rdev_ops = rdev->ops->del_pmksa;
10319 return -EOPNOTSUPP;
10321 return rdev_ops(&rdev->wiphy, dev, &pmksa);
10324 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10326 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10327 struct net_device *dev = info->user_ptr[1];
10329 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10330 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10331 return -EOPNOTSUPP;
10333 if (!rdev->ops->flush_pmksa)
10334 return -EOPNOTSUPP;
10336 return rdev_flush_pmksa(rdev, dev);
10339 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10341 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10342 struct net_device *dev = info->user_ptr[1];
10343 u8 action_code, dialog_token;
10344 u32 peer_capability = 0;
10349 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10350 !rdev->ops->tdls_mgmt)
10351 return -EOPNOTSUPP;
10353 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10354 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10355 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10356 !info->attrs[NL80211_ATTR_IE] ||
10357 !info->attrs[NL80211_ATTR_MAC])
10360 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10361 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10362 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10363 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
10364 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
10365 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10367 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
10369 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
10370 dialog_token, status_code, peer_capability,
10372 nla_data(info->attrs[NL80211_ATTR_IE]),
10373 nla_len(info->attrs[NL80211_ATTR_IE]));
10376 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10378 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10379 struct net_device *dev = info->user_ptr[1];
10380 enum nl80211_tdls_operation operation;
10383 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10384 !rdev->ops->tdls_oper)
10385 return -EOPNOTSUPP;
10387 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10388 !info->attrs[NL80211_ATTR_MAC])
10391 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10392 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10394 return rdev_tdls_oper(rdev, dev, peer, operation);
10397 static int nl80211_remain_on_channel(struct sk_buff *skb,
10398 struct genl_info *info)
10400 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10401 struct wireless_dev *wdev = info->user_ptr[1];
10402 struct cfg80211_chan_def chandef;
10403 const struct cfg80211_chan_def *compat_chandef;
10404 struct sk_buff *msg;
10410 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10411 !info->attrs[NL80211_ATTR_DURATION])
10414 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10416 if (!rdev->ops->remain_on_channel ||
10417 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
10418 return -EOPNOTSUPP;
10421 * We should be on that channel for at least a minimum amount of
10422 * time (10ms) but no longer than the driver supports.
10424 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10425 duration > rdev->wiphy.max_remain_on_channel_duration)
10428 err = nl80211_parse_chandef(rdev, info, &chandef);
10433 if (!cfg80211_off_channel_oper_allowed(wdev) &&
10434 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
10435 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
10437 if (compat_chandef != &chandef) {
10444 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10448 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10449 NL80211_CMD_REMAIN_ON_CHANNEL);
10455 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
10456 duration, &cookie);
10461 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10463 goto nla_put_failure;
10465 genlmsg_end(msg, hdr);
10467 return genlmsg_reply(msg, info);
10476 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
10477 struct genl_info *info)
10479 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10480 struct wireless_dev *wdev = info->user_ptr[1];
10483 if (!info->attrs[NL80211_ATTR_COOKIE])
10486 if (!rdev->ops->cancel_remain_on_channel)
10487 return -EOPNOTSUPP;
10489 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10491 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
10494 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
10495 struct genl_info *info)
10497 struct cfg80211_bitrate_mask mask;
10498 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10499 struct net_device *dev = info->user_ptr[1];
10502 if (!rdev->ops->set_bitrate_mask)
10503 return -EOPNOTSUPP;
10505 err = nl80211_parse_tx_bitrate_mask(info, &mask);
10509 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
10512 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
10514 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10515 struct wireless_dev *wdev = info->user_ptr[1];
10516 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
10518 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
10521 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
10522 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
10524 switch (wdev->iftype) {
10525 case NL80211_IFTYPE_STATION:
10526 case NL80211_IFTYPE_ADHOC:
10527 case NL80211_IFTYPE_P2P_CLIENT:
10528 case NL80211_IFTYPE_AP:
10529 case NL80211_IFTYPE_AP_VLAN:
10530 case NL80211_IFTYPE_MESH_POINT:
10531 case NL80211_IFTYPE_P2P_GO:
10532 case NL80211_IFTYPE_P2P_DEVICE:
10534 case NL80211_IFTYPE_NAN:
10536 return -EOPNOTSUPP;
10539 /* not much point in registering if we can't reply */
10540 if (!rdev->ops->mgmt_tx)
10541 return -EOPNOTSUPP;
10543 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
10544 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10545 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
10548 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
10550 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10551 struct wireless_dev *wdev = info->user_ptr[1];
10552 struct cfg80211_chan_def chandef;
10556 struct sk_buff *msg = NULL;
10557 struct cfg80211_mgmt_tx_params params = {
10558 .dont_wait_for_ack =
10559 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
10562 if (!info->attrs[NL80211_ATTR_FRAME])
10565 if (!rdev->ops->mgmt_tx)
10566 return -EOPNOTSUPP;
10568 switch (wdev->iftype) {
10569 case NL80211_IFTYPE_P2P_DEVICE:
10570 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10572 case NL80211_IFTYPE_STATION:
10573 case NL80211_IFTYPE_ADHOC:
10574 case NL80211_IFTYPE_P2P_CLIENT:
10575 case NL80211_IFTYPE_AP:
10576 case NL80211_IFTYPE_AP_VLAN:
10577 case NL80211_IFTYPE_MESH_POINT:
10578 case NL80211_IFTYPE_P2P_GO:
10580 case NL80211_IFTYPE_NAN:
10582 return -EOPNOTSUPP;
10585 if (info->attrs[NL80211_ATTR_DURATION]) {
10586 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10588 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10591 * We should wait on the channel for at least a minimum amount
10592 * of time (10ms) but no longer than the driver supports.
10594 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10595 params.wait > rdev->wiphy.max_remain_on_channel_duration)
10599 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
10601 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10604 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
10606 /* get the channel if any has been specified, otherwise pass NULL to
10607 * the driver. The latter will use the current one
10609 chandef.chan = NULL;
10610 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10611 err = nl80211_parse_chandef(rdev, info, &chandef);
10616 if (!chandef.chan && params.offchan)
10620 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
10626 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
10627 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
10629 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
10630 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10633 if (len % sizeof(u16))
10636 params.n_csa_offsets = len / sizeof(u16);
10637 params.csa_offsets =
10638 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10640 /* check that all the offsets fit the frame */
10641 for (i = 0; i < params.n_csa_offsets; i++) {
10642 if (params.csa_offsets[i] >= params.len)
10647 if (!params.dont_wait_for_ack) {
10648 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10652 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10653 NL80211_CMD_FRAME);
10660 params.chan = chandef.chan;
10661 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
10666 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10668 goto nla_put_failure;
10670 genlmsg_end(msg, hdr);
10671 return genlmsg_reply(msg, info);
10683 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
10685 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10686 struct wireless_dev *wdev = info->user_ptr[1];
10689 if (!info->attrs[NL80211_ATTR_COOKIE])
10692 if (!rdev->ops->mgmt_tx_cancel_wait)
10693 return -EOPNOTSUPP;
10695 switch (wdev->iftype) {
10696 case NL80211_IFTYPE_STATION:
10697 case NL80211_IFTYPE_ADHOC:
10698 case NL80211_IFTYPE_P2P_CLIENT:
10699 case NL80211_IFTYPE_AP:
10700 case NL80211_IFTYPE_AP_VLAN:
10701 case NL80211_IFTYPE_P2P_GO:
10702 case NL80211_IFTYPE_P2P_DEVICE:
10704 case NL80211_IFTYPE_NAN:
10706 return -EOPNOTSUPP;
10709 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10711 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
10714 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
10716 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10717 struct wireless_dev *wdev;
10718 struct net_device *dev = info->user_ptr[1];
10723 if (!info->attrs[NL80211_ATTR_PS_STATE])
10726 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
10728 wdev = dev->ieee80211_ptr;
10730 if (!rdev->ops->set_power_mgmt)
10731 return -EOPNOTSUPP;
10733 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
10735 if (state == wdev->ps)
10738 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
10744 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
10746 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10747 enum nl80211_ps_state ps_state;
10748 struct wireless_dev *wdev;
10749 struct net_device *dev = info->user_ptr[1];
10750 struct sk_buff *msg;
10754 wdev = dev->ieee80211_ptr;
10756 if (!rdev->ops->set_power_mgmt)
10757 return -EOPNOTSUPP;
10759 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10763 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10764 NL80211_CMD_GET_POWER_SAVE);
10771 ps_state = NL80211_PS_ENABLED;
10773 ps_state = NL80211_PS_DISABLED;
10775 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
10776 goto nla_put_failure;
10778 genlmsg_end(msg, hdr);
10779 return genlmsg_reply(msg, info);
10788 static const struct nla_policy
10789 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
10790 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
10791 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
10792 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
10793 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
10794 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
10795 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
10796 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
10799 static int nl80211_set_cqm_txe(struct genl_info *info,
10800 u32 rate, u32 pkts, u32 intvl)
10802 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10803 struct net_device *dev = info->user_ptr[1];
10804 struct wireless_dev *wdev = dev->ieee80211_ptr;
10806 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
10809 if (!rdev->ops->set_cqm_txe_config)
10810 return -EOPNOTSUPP;
10812 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10813 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10814 return -EOPNOTSUPP;
10816 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
10819 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
10820 struct net_device *dev)
10822 struct wireless_dev *wdev = dev->ieee80211_ptr;
10823 s32 last, low, high;
10825 int i, n, low_index;
10828 /* RSSI reporting disabled? */
10829 if (!wdev->cqm_config)
10830 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
10833 * Obtain current RSSI value if possible, if not and no RSSI threshold
10834 * event has been received yet, we should receive an event after a
10835 * connection is established and enough beacons received to calculate
10838 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
10839 rdev->ops->get_station) {
10840 struct station_info sinfo = {};
10843 mac_addr = wdev->current_bss->pub.bssid;
10845 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
10849 cfg80211_sinfo_release_content(&sinfo);
10850 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
10851 wdev->cqm_config->last_rssi_event_value =
10852 (s8) sinfo.rx_beacon_signal_avg;
10855 last = wdev->cqm_config->last_rssi_event_value;
10856 hyst = wdev->cqm_config->rssi_hyst;
10857 n = wdev->cqm_config->n_rssi_thresholds;
10859 for (i = 0; i < n; i++) {
10860 i = array_index_nospec(i, n);
10861 if (last < wdev->cqm_config->rssi_thresholds[i])
10866 if (low_index >= 0) {
10867 low_index = array_index_nospec(low_index, n);
10868 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
10873 i = array_index_nospec(i, n);
10874 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
10879 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
10882 static int nl80211_set_cqm_rssi(struct genl_info *info,
10883 const s32 *thresholds, int n_thresholds,
10886 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10887 struct net_device *dev = info->user_ptr[1];
10888 struct wireless_dev *wdev = dev->ieee80211_ptr;
10890 s32 prev = S32_MIN;
10892 /* Check all values negative and sorted */
10893 for (i = 0; i < n_thresholds; i++) {
10894 if (thresholds[i] > 0 || thresholds[i] <= prev)
10897 prev = thresholds[i];
10900 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10901 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10902 return -EOPNOTSUPP;
10905 cfg80211_cqm_config_free(wdev);
10908 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
10909 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
10910 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
10912 return rdev_set_cqm_rssi_config(rdev, dev,
10913 thresholds[0], hysteresis);
10916 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10917 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
10918 return -EOPNOTSUPP;
10920 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
10924 if (n_thresholds) {
10925 struct cfg80211_cqm_config *cqm_config;
10927 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
10928 n_thresholds * sizeof(s32), GFP_KERNEL);
10934 cqm_config->rssi_hyst = hysteresis;
10935 cqm_config->n_rssi_thresholds = n_thresholds;
10936 memcpy(cqm_config->rssi_thresholds, thresholds,
10937 n_thresholds * sizeof(s32));
10939 wdev->cqm_config = cqm_config;
10942 err = cfg80211_cqm_rssi_update(rdev, dev);
10950 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
10952 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
10953 struct nlattr *cqm;
10956 cqm = info->attrs[NL80211_ATTR_CQM];
10960 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
10961 nl80211_attr_cqm_policy,
10966 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
10967 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
10968 const s32 *thresholds =
10969 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10970 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10971 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
10976 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
10980 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
10981 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
10982 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
10983 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
10984 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
10985 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
10987 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
10993 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
10995 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10996 struct net_device *dev = info->user_ptr[1];
10997 struct ocb_setup setup = {};
11000 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11004 return cfg80211_join_ocb(rdev, dev, &setup);
11007 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
11009 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11010 struct net_device *dev = info->user_ptr[1];
11012 return cfg80211_leave_ocb(rdev, dev);
11015 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11017 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11018 struct net_device *dev = info->user_ptr[1];
11019 struct mesh_config cfg;
11020 struct mesh_setup setup;
11023 /* start with default */
11024 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
11025 memcpy(&setup, &default_mesh_setup, sizeof(setup));
11027 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
11028 /* and parse parameters if given */
11029 err = nl80211_parse_mesh_config(info, &cfg, NULL);
11034 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11035 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11038 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11039 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11041 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11042 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11043 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11046 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11047 setup.beacon_interval =
11048 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11050 err = cfg80211_validate_beacon_int(rdev,
11051 NL80211_IFTYPE_MESH_POINT,
11052 setup.beacon_interval);
11057 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11058 setup.dtim_period =
11059 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11060 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11064 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11065 /* parse additional setup parameters if given */
11066 err = nl80211_parse_mesh_setup(info, &setup);
11071 if (setup.user_mpm)
11072 cfg.auto_open_plinks = false;
11074 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11075 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11079 /* __cfg80211_join_mesh() will sort it out */
11080 setup.chandef.chan = NULL;
11083 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11084 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11086 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11087 struct ieee80211_supported_band *sband;
11089 if (!setup.chandef.chan)
11092 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11094 err = ieee80211_get_ratemask(sband, rates, n_rates,
11095 &setup.basic_rates);
11100 if (info->attrs[NL80211_ATTR_TX_RATES]) {
11101 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
11105 if (!setup.chandef.chan)
11108 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11109 &setup.beacon_rate);
11114 setup.userspace_handles_dfs =
11115 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11117 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11118 int r = validate_pae_over_nl80211(rdev, info);
11123 setup.control_port_over_nl80211 = true;
11126 wdev_lock(dev->ieee80211_ptr);
11127 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11128 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11129 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11130 wdev_unlock(dev->ieee80211_ptr);
11135 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11137 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11138 struct net_device *dev = info->user_ptr[1];
11140 return cfg80211_leave_mesh(rdev, dev);
11144 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11145 struct cfg80211_registered_device *rdev)
11147 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
11148 struct nlattr *nl_pats, *nl_pat;
11151 if (!wowlan->n_patterns)
11154 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
11158 for (i = 0; i < wowlan->n_patterns; i++) {
11159 nl_pat = nla_nest_start_noflag(msg, i + 1);
11162 pat_len = wowlan->patterns[i].pattern_len;
11163 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
11164 wowlan->patterns[i].mask) ||
11165 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11166 wowlan->patterns[i].pattern) ||
11167 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11168 wowlan->patterns[i].pkt_offset))
11170 nla_nest_end(msg, nl_pat);
11172 nla_nest_end(msg, nl_pats);
11177 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
11178 struct cfg80211_wowlan_tcp *tcp)
11180 struct nlattr *nl_tcp;
11185 nl_tcp = nla_nest_start_noflag(msg,
11186 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
11190 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
11191 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
11192 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
11193 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
11194 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
11195 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
11196 tcp->payload_len, tcp->payload) ||
11197 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
11198 tcp->data_interval) ||
11199 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
11200 tcp->wake_len, tcp->wake_data) ||
11201 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
11202 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
11205 if (tcp->payload_seq.len &&
11206 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
11207 sizeof(tcp->payload_seq), &tcp->payload_seq))
11210 if (tcp->payload_tok.len &&
11211 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
11212 sizeof(tcp->payload_tok) + tcp->tokens_size,
11213 &tcp->payload_tok))
11216 nla_nest_end(msg, nl_tcp);
11221 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
11222 struct cfg80211_sched_scan_request *req)
11224 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
11230 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
11234 if (req->n_scan_plans == 1 &&
11235 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
11236 req->scan_plans[0].interval * 1000))
11239 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
11242 if (req->relative_rssi_set) {
11243 struct nl80211_bss_select_rssi_adjust rssi_adjust;
11245 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
11246 req->relative_rssi))
11249 rssi_adjust.band = req->rssi_adjust.band;
11250 rssi_adjust.delta = req->rssi_adjust.delta;
11251 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
11252 sizeof(rssi_adjust), &rssi_adjust))
11256 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
11260 for (i = 0; i < req->n_channels; i++) {
11261 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
11265 nla_nest_end(msg, freqs);
11267 if (req->n_match_sets) {
11268 matches = nla_nest_start_noflag(msg,
11269 NL80211_ATTR_SCHED_SCAN_MATCH);
11273 for (i = 0; i < req->n_match_sets; i++) {
11274 match = nla_nest_start_noflag(msg, i);
11278 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11279 req->match_sets[i].ssid.ssid_len,
11280 req->match_sets[i].ssid.ssid))
11282 nla_nest_end(msg, match);
11284 nla_nest_end(msg, matches);
11287 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
11291 for (i = 0; i < req->n_scan_plans; i++) {
11292 scan_plan = nla_nest_start_noflag(msg, i + 1);
11296 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
11297 req->scan_plans[i].interval) ||
11298 (req->scan_plans[i].iterations &&
11299 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11300 req->scan_plans[i].iterations)))
11302 nla_nest_end(msg, scan_plan);
11304 nla_nest_end(msg, scan_plans);
11306 nla_nest_end(msg, nd);
11311 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11313 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11314 struct sk_buff *msg;
11316 u32 size = NLMSG_DEFAULT_SIZE;
11318 if (!rdev->wiphy.wowlan)
11319 return -EOPNOTSUPP;
11321 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
11322 /* adjust size to have room for all the data */
11323 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11324 rdev->wiphy.wowlan_config->tcp->payload_len +
11325 rdev->wiphy.wowlan_config->tcp->wake_len +
11326 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
11329 msg = nlmsg_new(size, GFP_KERNEL);
11333 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11334 NL80211_CMD_GET_WOWLAN);
11336 goto nla_put_failure;
11338 if (rdev->wiphy.wowlan_config) {
11339 struct nlattr *nl_wowlan;
11341 nl_wowlan = nla_nest_start_noflag(msg,
11342 NL80211_ATTR_WOWLAN_TRIGGERS);
11344 goto nla_put_failure;
11346 if ((rdev->wiphy.wowlan_config->any &&
11347 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
11348 (rdev->wiphy.wowlan_config->disconnect &&
11349 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
11350 (rdev->wiphy.wowlan_config->magic_pkt &&
11351 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
11352 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
11353 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
11354 (rdev->wiphy.wowlan_config->eap_identity_req &&
11355 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
11356 (rdev->wiphy.wowlan_config->four_way_handshake &&
11357 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
11358 (rdev->wiphy.wowlan_config->rfkill_release &&
11359 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11360 goto nla_put_failure;
11362 if (nl80211_send_wowlan_patterns(msg, rdev))
11363 goto nla_put_failure;
11365 if (nl80211_send_wowlan_tcp(msg,
11366 rdev->wiphy.wowlan_config->tcp))
11367 goto nla_put_failure;
11369 if (nl80211_send_wowlan_nd(
11371 rdev->wiphy.wowlan_config->nd_config))
11372 goto nla_put_failure;
11374 nla_nest_end(msg, nl_wowlan);
11377 genlmsg_end(msg, hdr);
11378 return genlmsg_reply(msg, info);
11385 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
11386 struct nlattr *attr,
11387 struct cfg80211_wowlan *trig)
11389 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
11390 struct cfg80211_wowlan_tcp *cfg;
11391 struct nl80211_wowlan_tcp_data_token *tok = NULL;
11392 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
11394 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
11397 if (!rdev->wiphy.wowlan->tcp)
11400 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
11401 nl80211_wowlan_tcp_policy, NULL);
11405 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
11406 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
11407 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
11408 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
11409 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
11410 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
11411 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
11412 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
11415 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
11416 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
11419 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
11420 rdev->wiphy.wowlan->tcp->data_interval_max ||
11421 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
11424 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
11425 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
11428 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
11429 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
11432 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
11433 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11435 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11436 tokens_size = tokln - sizeof(*tok);
11438 if (!tok->len || tokens_size % tok->len)
11440 if (!rdev->wiphy.wowlan->tcp->tok)
11442 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
11444 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
11446 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
11448 if (tok->offset + tok->len > data_size)
11452 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
11453 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
11454 if (!rdev->wiphy.wowlan->tcp->seq)
11456 if (seq->len == 0 || seq->len > 4)
11458 if (seq->len + seq->offset > data_size)
11462 size = sizeof(*cfg);
11464 size += wake_size + wake_mask_size;
11465 size += tokens_size;
11467 cfg = kzalloc(size, GFP_KERNEL);
11470 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
11471 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
11472 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
11474 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
11475 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
11479 /* allocate a socket and port for it and use it */
11480 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
11481 IPPROTO_TCP, &cfg->sock, 1);
11486 if (inet_csk_get_port(cfg->sock->sk, port)) {
11487 sock_release(cfg->sock);
11489 return -EADDRINUSE;
11491 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
11497 cfg->src_port = port;
11500 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
11501 cfg->payload_len = data_size;
11502 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
11503 memcpy((void *)cfg->payload,
11504 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
11507 cfg->payload_seq = *seq;
11508 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
11509 cfg->wake_len = wake_size;
11510 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
11511 memcpy((void *)cfg->wake_data,
11512 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
11514 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
11515 data_size + wake_size;
11516 memcpy((void *)cfg->wake_mask,
11517 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
11520 cfg->tokens_size = tokens_size;
11521 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
11529 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
11530 const struct wiphy_wowlan_support *wowlan,
11531 struct nlattr *attr,
11532 struct cfg80211_wowlan *trig)
11534 struct nlattr **tb;
11537 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
11541 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
11546 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
11547 nl80211_policy, NULL);
11551 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
11552 wowlan->max_nd_match_sets);
11553 err = PTR_ERR_OR_ZERO(trig->nd_config);
11555 trig->nd_config = NULL;
11562 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
11564 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11565 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
11566 struct cfg80211_wowlan new_triggers = {};
11567 struct cfg80211_wowlan *ntrig;
11568 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
11570 bool prev_enabled = rdev->wiphy.wowlan_config;
11571 bool regular = false;
11574 return -EOPNOTSUPP;
11576 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
11577 cfg80211_rdev_free_wowlan(rdev);
11578 rdev->wiphy.wowlan_config = NULL;
11582 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
11583 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
11584 nl80211_wowlan_policy, info->extack);
11588 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
11589 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
11591 new_triggers.any = true;
11594 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
11595 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
11597 new_triggers.disconnect = true;
11601 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
11602 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
11604 new_triggers.magic_pkt = true;
11608 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
11611 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
11612 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
11614 new_triggers.gtk_rekey_failure = true;
11618 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
11619 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
11621 new_triggers.eap_identity_req = true;
11625 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
11626 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
11628 new_triggers.four_way_handshake = true;
11632 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
11633 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
11635 new_triggers.rfkill_release = true;
11639 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
11640 struct nlattr *pat;
11641 int n_patterns = 0;
11642 int rem, pat_len, mask_len, pkt_offset;
11643 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11647 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11650 if (n_patterns > wowlan->n_patterns)
11653 new_triggers.patterns = kcalloc(n_patterns,
11654 sizeof(new_triggers.patterns[0]),
11656 if (!new_triggers.patterns)
11659 new_triggers.n_patterns = n_patterns;
11662 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11666 err = nla_parse_nested_deprecated(pat_tb,
11667 MAX_NL80211_PKTPAT,
11669 nl80211_packet_pattern_policy,
11675 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11676 !pat_tb[NL80211_PKTPAT_PATTERN])
11678 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11679 mask_len = DIV_ROUND_UP(pat_len, 8);
11680 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11682 if (pat_len > wowlan->pattern_max_len ||
11683 pat_len < wowlan->pattern_min_len)
11686 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11689 pkt_offset = nla_get_u32(
11690 pat_tb[NL80211_PKTPAT_OFFSET]);
11691 if (pkt_offset > wowlan->max_pkt_offset)
11693 new_triggers.patterns[i].pkt_offset = pkt_offset;
11695 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11700 new_triggers.patterns[i].mask = mask_pat;
11701 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11703 mask_pat += mask_len;
11704 new_triggers.patterns[i].pattern = mask_pat;
11705 new_triggers.patterns[i].pattern_len = pat_len;
11707 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11713 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
11715 err = nl80211_parse_wowlan_tcp(
11716 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
11722 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
11724 err = nl80211_parse_wowlan_nd(
11725 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
11731 /* The 'any' trigger means the device continues operating more or less
11732 * as in its normal operation mode and wakes up the host on most of the
11733 * normal interrupts (like packet RX, ...)
11734 * It therefore makes little sense to combine with the more constrained
11735 * wakeup trigger modes.
11737 if (new_triggers.any && regular) {
11742 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
11747 cfg80211_rdev_free_wowlan(rdev);
11748 rdev->wiphy.wowlan_config = ntrig;
11751 if (rdev->ops->set_wakeup &&
11752 prev_enabled != !!rdev->wiphy.wowlan_config)
11753 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
11757 for (i = 0; i < new_triggers.n_patterns; i++)
11758 kfree(new_triggers.patterns[i].mask);
11759 kfree(new_triggers.patterns);
11760 if (new_triggers.tcp && new_triggers.tcp->sock)
11761 sock_release(new_triggers.tcp->sock);
11762 kfree(new_triggers.tcp);
11763 kfree(new_triggers.nd_config);
11768 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
11769 struct cfg80211_registered_device *rdev)
11771 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
11773 struct cfg80211_coalesce_rules *rule;
11775 if (!rdev->coalesce->n_rules)
11778 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
11782 for (i = 0; i < rdev->coalesce->n_rules; i++) {
11783 nl_rule = nla_nest_start_noflag(msg, i + 1);
11787 rule = &rdev->coalesce->rules[i];
11788 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
11792 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
11796 nl_pats = nla_nest_start_noflag(msg,
11797 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
11801 for (j = 0; j < rule->n_patterns; j++) {
11802 nl_pat = nla_nest_start_noflag(msg, j + 1);
11805 pat_len = rule->patterns[j].pattern_len;
11806 if (nla_put(msg, NL80211_PKTPAT_MASK,
11807 DIV_ROUND_UP(pat_len, 8),
11808 rule->patterns[j].mask) ||
11809 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11810 rule->patterns[j].pattern) ||
11811 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11812 rule->patterns[j].pkt_offset))
11814 nla_nest_end(msg, nl_pat);
11816 nla_nest_end(msg, nl_pats);
11817 nla_nest_end(msg, nl_rule);
11819 nla_nest_end(msg, nl_rules);
11824 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
11826 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11827 struct sk_buff *msg;
11830 if (!rdev->wiphy.coalesce)
11831 return -EOPNOTSUPP;
11833 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11837 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11838 NL80211_CMD_GET_COALESCE);
11840 goto nla_put_failure;
11842 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
11843 goto nla_put_failure;
11845 genlmsg_end(msg, hdr);
11846 return genlmsg_reply(msg, info);
11853 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
11855 struct cfg80211_coalesce *coalesce = rdev->coalesce;
11857 struct cfg80211_coalesce_rules *rule;
11862 for (i = 0; i < coalesce->n_rules; i++) {
11863 rule = &coalesce->rules[i];
11864 for (j = 0; j < rule->n_patterns; j++)
11865 kfree(rule->patterns[j].mask);
11866 kfree(rule->patterns);
11868 kfree(coalesce->rules);
11870 rdev->coalesce = NULL;
11873 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
11874 struct nlattr *rule,
11875 struct cfg80211_coalesce_rules *new_rule)
11878 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11879 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
11880 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
11881 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11883 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
11884 rule, nl80211_coalesce_policy, NULL);
11888 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
11890 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
11891 if (new_rule->delay > coalesce->max_delay)
11894 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
11895 new_rule->condition =
11896 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
11898 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
11901 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11904 if (n_patterns > coalesce->n_patterns)
11907 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
11909 if (!new_rule->patterns)
11912 new_rule->n_patterns = n_patterns;
11915 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11919 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
11921 nl80211_packet_pattern_policy,
11926 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11927 !pat_tb[NL80211_PKTPAT_PATTERN])
11929 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11930 mask_len = DIV_ROUND_UP(pat_len, 8);
11931 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11933 if (pat_len > coalesce->pattern_max_len ||
11934 pat_len < coalesce->pattern_min_len)
11937 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11940 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
11941 if (pkt_offset > coalesce->max_pkt_offset)
11943 new_rule->patterns[i].pkt_offset = pkt_offset;
11945 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11949 new_rule->patterns[i].mask = mask_pat;
11950 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11953 mask_pat += mask_len;
11954 new_rule->patterns[i].pattern = mask_pat;
11955 new_rule->patterns[i].pattern_len = pat_len;
11956 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11964 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
11966 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11967 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11968 struct cfg80211_coalesce new_coalesce = {};
11969 struct cfg80211_coalesce *n_coalesce;
11970 int err, rem_rule, n_rules = 0, i, j;
11971 struct nlattr *rule;
11972 struct cfg80211_coalesce_rules *tmp_rule;
11974 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
11975 return -EOPNOTSUPP;
11977 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
11978 cfg80211_rdev_free_coalesce(rdev);
11979 rdev_set_coalesce(rdev, NULL);
11983 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11986 if (n_rules > coalesce->n_rules)
11989 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
11991 if (!new_coalesce.rules)
11994 new_coalesce.n_rules = n_rules;
11997 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11999 err = nl80211_parse_coalesce_rule(rdev, rule,
12000 &new_coalesce.rules[i]);
12007 err = rdev_set_coalesce(rdev, &new_coalesce);
12011 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12016 cfg80211_rdev_free_coalesce(rdev);
12017 rdev->coalesce = n_coalesce;
12021 for (i = 0; i < new_coalesce.n_rules; i++) {
12022 tmp_rule = &new_coalesce.rules[i];
12023 for (j = 0; j < tmp_rule->n_patterns; j++)
12024 kfree(tmp_rule->patterns[j].mask);
12025 kfree(tmp_rule->patterns);
12027 kfree(new_coalesce.rules);
12032 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12034 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12035 struct net_device *dev = info->user_ptr[1];
12036 struct wireless_dev *wdev = dev->ieee80211_ptr;
12037 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
12038 struct cfg80211_gtk_rekey_data rekey_data = {};
12041 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12044 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12045 info->attrs[NL80211_ATTR_REKEY_DATA],
12046 nl80211_rekey_policy, info->extack);
12050 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12051 !tb[NL80211_REKEY_DATA_KCK])
12053 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
12055 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
12057 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
12060 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12061 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12062 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
12065 if (!wdev->current_bss) {
12070 if (!rdev->ops->set_rekey_data) {
12075 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
12081 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12082 struct genl_info *info)
12084 struct net_device *dev = info->user_ptr[1];
12085 struct wireless_dev *wdev = dev->ieee80211_ptr;
12087 if (wdev->iftype != NL80211_IFTYPE_AP &&
12088 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12091 if (wdev->ap_unexpected_nlportid)
12094 wdev->ap_unexpected_nlportid = info->snd_portid;
12098 static int nl80211_probe_client(struct sk_buff *skb,
12099 struct genl_info *info)
12101 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12102 struct net_device *dev = info->user_ptr[1];
12103 struct wireless_dev *wdev = dev->ieee80211_ptr;
12104 struct sk_buff *msg;
12110 if (wdev->iftype != NL80211_IFTYPE_AP &&
12111 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12112 return -EOPNOTSUPP;
12114 if (!info->attrs[NL80211_ATTR_MAC])
12117 if (!rdev->ops->probe_client)
12118 return -EOPNOTSUPP;
12120 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12124 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12125 NL80211_CMD_PROBE_CLIENT);
12131 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12133 err = rdev_probe_client(rdev, dev, addr, &cookie);
12137 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12139 goto nla_put_failure;
12141 genlmsg_end(msg, hdr);
12143 return genlmsg_reply(msg, info);
12152 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
12154 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12155 struct cfg80211_beacon_registration *reg, *nreg;
12158 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
12159 return -EOPNOTSUPP;
12161 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
12165 /* First, check if already registered. */
12166 spin_lock_bh(&rdev->beacon_registrations_lock);
12167 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
12168 if (reg->nlportid == info->snd_portid) {
12173 /* Add it to the list */
12174 nreg->nlportid = info->snd_portid;
12175 list_add(&nreg->list, &rdev->beacon_registrations);
12177 spin_unlock_bh(&rdev->beacon_registrations_lock);
12181 spin_unlock_bh(&rdev->beacon_registrations_lock);
12186 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
12188 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12189 struct wireless_dev *wdev = info->user_ptr[1];
12192 if (!rdev->ops->start_p2p_device)
12193 return -EOPNOTSUPP;
12195 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12196 return -EOPNOTSUPP;
12198 if (wdev_running(wdev))
12201 if (rfkill_blocked(rdev->rfkill))
12204 err = rdev_start_p2p_device(rdev, wdev);
12208 wdev->is_running = true;
12214 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
12216 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12217 struct wireless_dev *wdev = info->user_ptr[1];
12219 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12220 return -EOPNOTSUPP;
12222 if (!rdev->ops->stop_p2p_device)
12223 return -EOPNOTSUPP;
12225 cfg80211_stop_p2p_device(rdev, wdev);
12230 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
12232 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12233 struct wireless_dev *wdev = info->user_ptr[1];
12234 struct cfg80211_nan_conf conf = {};
12237 if (wdev->iftype != NL80211_IFTYPE_NAN)
12238 return -EOPNOTSUPP;
12240 if (wdev_running(wdev))
12243 if (rfkill_blocked(rdev->rfkill))
12246 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
12250 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12252 if (info->attrs[NL80211_ATTR_BANDS]) {
12253 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12255 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12256 return -EOPNOTSUPP;
12258 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12261 conf.bands = bands;
12264 err = rdev_start_nan(rdev, wdev, &conf);
12268 wdev->is_running = true;
12274 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12276 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12277 struct wireless_dev *wdev = info->user_ptr[1];
12279 if (wdev->iftype != NL80211_IFTYPE_NAN)
12280 return -EOPNOTSUPP;
12282 cfg80211_stop_nan(rdev, wdev);
12287 static int validate_nan_filter(struct nlattr *filter_attr)
12289 struct nlattr *attr;
12290 int len = 0, n_entries = 0, rem;
12292 nla_for_each_nested(attr, filter_attr, rem) {
12293 len += nla_len(attr);
12303 static int handle_nan_filter(struct nlattr *attr_filter,
12304 struct cfg80211_nan_func *func,
12307 struct nlattr *attr;
12308 int n_entries, rem, i;
12309 struct cfg80211_nan_func_filter *filter;
12311 n_entries = validate_nan_filter(attr_filter);
12315 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12317 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12322 nla_for_each_nested(attr, attr_filter, rem) {
12323 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
12324 if (!filter[i].filter)
12327 filter[i].len = nla_len(attr);
12331 func->num_tx_filters = n_entries;
12332 func->tx_filters = filter;
12334 func->num_rx_filters = n_entries;
12335 func->rx_filters = filter;
12342 nla_for_each_nested(attr, attr_filter, rem) {
12343 kfree(filter[i].filter);
12350 static int nl80211_nan_add_func(struct sk_buff *skb,
12351 struct genl_info *info)
12353 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12354 struct wireless_dev *wdev = info->user_ptr[1];
12355 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12356 struct cfg80211_nan_func *func;
12357 struct sk_buff *msg = NULL;
12361 if (wdev->iftype != NL80211_IFTYPE_NAN)
12362 return -EOPNOTSUPP;
12364 if (!wdev_running(wdev))
12367 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
12370 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
12371 info->attrs[NL80211_ATTR_NAN_FUNC],
12372 nl80211_nan_func_policy,
12377 func = kzalloc(sizeof(*func), GFP_KERNEL);
12381 func->cookie = cfg80211_assign_cookie(rdev);
12383 if (!tb[NL80211_NAN_FUNC_TYPE] ||
12384 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
12390 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
12392 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
12397 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
12398 sizeof(func->service_id));
12400 func->close_range =
12401 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
12403 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
12404 func->serv_spec_info_len =
12405 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
12406 func->serv_spec_info =
12407 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
12408 func->serv_spec_info_len,
12410 if (!func->serv_spec_info) {
12416 if (tb[NL80211_NAN_FUNC_TTL])
12417 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
12419 switch (func->type) {
12420 case NL80211_NAN_FUNC_PUBLISH:
12421 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
12426 func->publish_type =
12427 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
12428 func->publish_bcast =
12429 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
12431 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
12432 func->publish_bcast) {
12437 case NL80211_NAN_FUNC_SUBSCRIBE:
12438 func->subscribe_active =
12439 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
12441 case NL80211_NAN_FUNC_FOLLOW_UP:
12442 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
12443 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
12444 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
12449 func->followup_id =
12450 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
12451 func->followup_reqid =
12452 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
12453 memcpy(func->followup_dest.addr,
12454 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
12455 sizeof(func->followup_dest.addr));
12466 if (tb[NL80211_NAN_FUNC_SRF]) {
12467 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
12469 err = nla_parse_nested_deprecated(srf_tb,
12470 NL80211_NAN_SRF_ATTR_MAX,
12471 tb[NL80211_NAN_FUNC_SRF],
12472 nl80211_nan_srf_policy,
12477 func->srf_include =
12478 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
12480 if (srf_tb[NL80211_NAN_SRF_BF]) {
12481 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
12482 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
12488 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
12490 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
12491 func->srf_bf_len, GFP_KERNEL);
12492 if (!func->srf_bf) {
12498 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
12500 struct nlattr *attr, *mac_attr =
12501 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
12502 int n_entries, rem, i = 0;
12509 n_entries = validate_acl_mac_addrs(mac_attr);
12510 if (n_entries <= 0) {
12515 func->srf_num_macs = n_entries;
12517 kcalloc(n_entries, sizeof(*func->srf_macs),
12519 if (!func->srf_macs) {
12524 nla_for_each_nested(attr, mac_attr, rem)
12525 memcpy(func->srf_macs[i++].addr, nla_data(attr),
12526 sizeof(*func->srf_macs));
12530 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
12531 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
12537 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
12538 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
12544 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12550 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12551 NL80211_CMD_ADD_NAN_FUNCTION);
12552 /* This can't really happen - we just allocated 4KB */
12553 if (WARN_ON(!hdr)) {
12558 err = rdev_add_nan_func(rdev, wdev, func);
12561 cfg80211_free_nan_func(func);
12566 /* propagate the instance id and cookie to userspace */
12567 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
12569 goto nla_put_failure;
12571 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12573 goto nla_put_failure;
12575 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
12576 func->instance_id))
12577 goto nla_put_failure;
12579 nla_nest_end(msg, func_attr);
12581 genlmsg_end(msg, hdr);
12582 return genlmsg_reply(msg, info);
12589 static int nl80211_nan_del_func(struct sk_buff *skb,
12590 struct genl_info *info)
12592 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12593 struct wireless_dev *wdev = info->user_ptr[1];
12596 if (wdev->iftype != NL80211_IFTYPE_NAN)
12597 return -EOPNOTSUPP;
12599 if (!wdev_running(wdev))
12602 if (!info->attrs[NL80211_ATTR_COOKIE])
12605 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12607 rdev_del_nan_func(rdev, wdev, cookie);
12612 static int nl80211_nan_change_config(struct sk_buff *skb,
12613 struct genl_info *info)
12615 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12616 struct wireless_dev *wdev = info->user_ptr[1];
12617 struct cfg80211_nan_conf conf = {};
12620 if (wdev->iftype != NL80211_IFTYPE_NAN)
12621 return -EOPNOTSUPP;
12623 if (!wdev_running(wdev))
12626 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
12628 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12629 if (conf.master_pref <= 1 || conf.master_pref == 255)
12632 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
12635 if (info->attrs[NL80211_ATTR_BANDS]) {
12636 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12638 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12639 return -EOPNOTSUPP;
12641 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12644 conf.bands = bands;
12645 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
12651 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
12654 void cfg80211_nan_match(struct wireless_dev *wdev,
12655 struct cfg80211_nan_match_params *match, gfp_t gfp)
12657 struct wiphy *wiphy = wdev->wiphy;
12658 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12659 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
12660 struct sk_buff *msg;
12663 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
12666 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12670 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
12676 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12677 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12678 wdev->netdev->ifindex)) ||
12679 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12681 goto nla_put_failure;
12683 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
12684 NL80211_ATTR_PAD) ||
12685 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
12686 goto nla_put_failure;
12688 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
12690 goto nla_put_failure;
12692 local_func_attr = nla_nest_start_noflag(msg,
12693 NL80211_NAN_MATCH_FUNC_LOCAL);
12694 if (!local_func_attr)
12695 goto nla_put_failure;
12697 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
12698 goto nla_put_failure;
12700 nla_nest_end(msg, local_func_attr);
12702 peer_func_attr = nla_nest_start_noflag(msg,
12703 NL80211_NAN_MATCH_FUNC_PEER);
12704 if (!peer_func_attr)
12705 goto nla_put_failure;
12707 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
12708 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
12709 goto nla_put_failure;
12711 if (match->info && match->info_len &&
12712 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
12714 goto nla_put_failure;
12716 nla_nest_end(msg, peer_func_attr);
12717 nla_nest_end(msg, match_attr);
12718 genlmsg_end(msg, hdr);
12720 if (!wdev->owner_nlportid)
12721 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12722 msg, 0, NL80211_MCGRP_NAN, gfp);
12724 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12725 wdev->owner_nlportid);
12732 EXPORT_SYMBOL(cfg80211_nan_match);
12734 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
12736 enum nl80211_nan_func_term_reason reason,
12737 u64 cookie, gfp_t gfp)
12739 struct wiphy *wiphy = wdev->wiphy;
12740 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12741 struct sk_buff *msg;
12742 struct nlattr *func_attr;
12745 if (WARN_ON(!inst_id))
12748 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12752 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
12758 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12759 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12760 wdev->netdev->ifindex)) ||
12761 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12763 goto nla_put_failure;
12765 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12767 goto nla_put_failure;
12769 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12771 goto nla_put_failure;
12773 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
12774 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
12775 goto nla_put_failure;
12777 nla_nest_end(msg, func_attr);
12778 genlmsg_end(msg, hdr);
12780 if (!wdev->owner_nlportid)
12781 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12782 msg, 0, NL80211_MCGRP_NAN, gfp);
12784 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12785 wdev->owner_nlportid);
12792 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
12794 static int nl80211_get_protocol_features(struct sk_buff *skb,
12795 struct genl_info *info)
12798 struct sk_buff *msg;
12800 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12804 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12805 NL80211_CMD_GET_PROTOCOL_FEATURES);
12807 goto nla_put_failure;
12809 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
12810 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
12811 goto nla_put_failure;
12813 genlmsg_end(msg, hdr);
12814 return genlmsg_reply(msg, info);
12821 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
12823 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12824 struct cfg80211_update_ft_ies_params ft_params;
12825 struct net_device *dev = info->user_ptr[1];
12827 if (!rdev->ops->update_ft_ies)
12828 return -EOPNOTSUPP;
12830 if (!info->attrs[NL80211_ATTR_MDID] ||
12831 !info->attrs[NL80211_ATTR_IE])
12834 memset(&ft_params, 0, sizeof(ft_params));
12835 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
12836 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12837 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12839 return rdev_update_ft_ies(rdev, dev, &ft_params);
12842 static int nl80211_crit_protocol_start(struct sk_buff *skb,
12843 struct genl_info *info)
12845 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12846 struct wireless_dev *wdev = info->user_ptr[1];
12847 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
12851 if (!rdev->ops->crit_proto_start)
12852 return -EOPNOTSUPP;
12854 if (WARN_ON(!rdev->ops->crit_proto_stop))
12857 if (rdev->crit_proto_nlportid)
12860 /* determine protocol if provided */
12861 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
12862 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
12864 if (proto >= NUM_NL80211_CRIT_PROTO)
12867 /* timeout must be provided */
12868 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
12872 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
12874 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
12877 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
12879 rdev->crit_proto_nlportid = info->snd_portid;
12884 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
12885 struct genl_info *info)
12887 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12888 struct wireless_dev *wdev = info->user_ptr[1];
12890 if (!rdev->ops->crit_proto_stop)
12891 return -EOPNOTSUPP;
12893 if (rdev->crit_proto_nlportid) {
12894 rdev->crit_proto_nlportid = 0;
12895 rdev_crit_proto_stop(rdev, wdev);
12900 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
12901 struct nlattr *attr,
12902 struct netlink_ext_ack *extack)
12904 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
12905 if (attr->nla_type & NLA_F_NESTED) {
12906 NL_SET_ERR_MSG_ATTR(extack, attr,
12907 "unexpected nested data");
12914 if (!(attr->nla_type & NLA_F_NESTED)) {
12915 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
12919 return nl80211_validate_nested(attr, vcmd->maxattr, vcmd->policy,
12923 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
12925 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12926 struct wireless_dev *wdev =
12927 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
12931 if (!rdev->wiphy.vendor_commands)
12932 return -EOPNOTSUPP;
12934 if (IS_ERR(wdev)) {
12935 err = PTR_ERR(wdev);
12936 if (err != -EINVAL)
12939 } else if (wdev->wiphy != &rdev->wiphy) {
12943 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
12944 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
12947 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
12948 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
12949 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
12950 const struct wiphy_vendor_command *vcmd;
12954 vcmd = &rdev->wiphy.vendor_commands[i];
12956 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12959 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12960 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12963 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12967 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12968 if (!wdev_running(wdev))
12976 return -EOPNOTSUPP;
12978 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
12979 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12980 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12982 err = nl80211_vendor_check_policy(vcmd,
12983 info->attrs[NL80211_ATTR_VENDOR_DATA],
12989 rdev->cur_cmd_info = info;
12990 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
12991 rdev->cur_cmd_info = NULL;
12995 return -EOPNOTSUPP;
12998 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
12999 struct netlink_callback *cb,
13000 struct cfg80211_registered_device **rdev,
13001 struct wireless_dev **wdev)
13003 struct nlattr **attrbuf;
13009 unsigned int data_len = 0;
13012 /* subtract the 1 again here */
13013 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
13014 struct wireless_dev *tmp;
13018 *rdev = wiphy_to_rdev(wiphy);
13022 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
13023 if (tmp->identifier == cb->args[1] - 1) {
13030 /* keep rtnl locked in successful case */
13034 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13038 err = nlmsg_parse_deprecated(cb->nlh,
13039 GENL_HDRLEN + nl80211_fam.hdrsize,
13040 attrbuf, nl80211_fam.maxattr,
13041 nl80211_policy, NULL);
13045 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
13046 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13051 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
13055 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
13056 if (IS_ERR(*rdev)) {
13057 err = PTR_ERR(*rdev);
13061 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13062 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
13064 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13065 const struct wiphy_vendor_command *vcmd;
13067 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13069 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13072 if (!vcmd->dumpit) {
13081 if (vcmd_idx < 0) {
13086 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13087 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13088 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13090 err = nl80211_vendor_check_policy(
13091 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13092 attrbuf[NL80211_ATTR_VENDOR_DATA],
13098 /* 0 is the first index - add 1 to parse only once */
13099 cb->args[0] = (*rdev)->wiphy_idx + 1;
13100 /* add 1 to know if it was NULL */
13101 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13102 cb->args[2] = vcmd_idx;
13103 cb->args[3] = (unsigned long)data;
13104 cb->args[4] = data_len;
13106 /* keep rtnl locked in successful case */
13113 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13114 struct netlink_callback *cb)
13116 struct cfg80211_registered_device *rdev;
13117 struct wireless_dev *wdev;
13118 unsigned int vcmd_idx;
13119 const struct wiphy_vendor_command *vcmd;
13123 struct nlattr *vendor_data;
13126 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13130 vcmd_idx = cb->args[2];
13131 data = (void *)cb->args[3];
13132 data_len = cb->args[4];
13133 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13135 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13136 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13141 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13147 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13148 if (!wdev_running(wdev)) {
13156 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13157 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13158 NL80211_CMD_VENDOR);
13162 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13163 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13165 NL80211_ATTR_PAD))) {
13166 genlmsg_cancel(skb, hdr);
13170 vendor_data = nla_nest_start_noflag(skb,
13171 NL80211_ATTR_VENDOR_DATA);
13172 if (!vendor_data) {
13173 genlmsg_cancel(skb, hdr);
13177 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
13178 (unsigned long *)&cb->args[5]);
13179 nla_nest_end(skb, vendor_data);
13181 if (err == -ENOBUFS || err == -ENOENT) {
13182 genlmsg_cancel(skb, hdr);
13185 genlmsg_cancel(skb, hdr);
13189 genlmsg_end(skb, hdr);
13198 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
13199 enum nl80211_commands cmd,
13200 enum nl80211_attrs attr,
13203 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13205 if (WARN_ON(!rdev->cur_cmd_info))
13208 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
13209 rdev->cur_cmd_info->snd_portid,
13210 rdev->cur_cmd_info->snd_seq,
13211 cmd, attr, NULL, GFP_KERNEL);
13213 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
13215 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
13217 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
13218 void *hdr = ((void **)skb->cb)[1];
13219 struct nlattr *data = ((void **)skb->cb)[2];
13221 /* clear CB data for netlink core to own from now on */
13222 memset(skb->cb, 0, sizeof(skb->cb));
13224 if (WARN_ON(!rdev->cur_cmd_info)) {
13229 nla_nest_end(skb, data);
13230 genlmsg_end(skb, hdr);
13231 return genlmsg_reply(skb, rdev->cur_cmd_info);
13233 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
13235 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
13237 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13239 if (WARN_ON(!rdev->cur_cmd_info))
13242 return rdev->cur_cmd_info->snd_portid;
13244 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
13246 static int nl80211_set_qos_map(struct sk_buff *skb,
13247 struct genl_info *info)
13249 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13250 struct cfg80211_qos_map *qos_map = NULL;
13251 struct net_device *dev = info->user_ptr[1];
13252 u8 *pos, len, num_des, des_len, des;
13255 if (!rdev->ops->set_qos_map)
13256 return -EOPNOTSUPP;
13258 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
13259 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
13260 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
13262 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
13263 len > IEEE80211_QOS_MAP_LEN_MAX)
13266 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
13270 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
13272 des_len = num_des *
13273 sizeof(struct cfg80211_dscp_exception);
13274 memcpy(qos_map->dscp_exception, pos, des_len);
13275 qos_map->num_des = num_des;
13276 for (des = 0; des < num_des; des++) {
13277 if (qos_map->dscp_exception[des].up > 7) {
13284 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
13287 wdev_lock(dev->ieee80211_ptr);
13288 ret = nl80211_key_allowed(dev->ieee80211_ptr);
13290 ret = rdev_set_qos_map(rdev, dev, qos_map);
13291 wdev_unlock(dev->ieee80211_ptr);
13297 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
13299 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13300 struct net_device *dev = info->user_ptr[1];
13301 struct wireless_dev *wdev = dev->ieee80211_ptr;
13304 u16 admitted_time = 0;
13307 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
13308 return -EOPNOTSUPP;
13310 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
13311 !info->attrs[NL80211_ATTR_USER_PRIO])
13314 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13315 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
13317 /* WMM uses TIDs 0-7 even for TSPEC */
13318 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
13319 /* TODO: handle 802.11 TSPEC/admission control
13320 * need more attributes for that (e.g. BA session requirement);
13321 * change the WMM adminssion test above to allow both then
13326 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13328 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13330 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13331 if (!admitted_time)
13336 switch (wdev->iftype) {
13337 case NL80211_IFTYPE_STATION:
13338 case NL80211_IFTYPE_P2P_CLIENT:
13339 if (wdev->current_bss)
13348 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13355 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13357 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13358 struct net_device *dev = info->user_ptr[1];
13359 struct wireless_dev *wdev = dev->ieee80211_ptr;
13364 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13367 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13368 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13371 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
13377 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
13378 struct genl_info *info)
13380 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13381 struct net_device *dev = info->user_ptr[1];
13382 struct wireless_dev *wdev = dev->ieee80211_ptr;
13383 struct cfg80211_chan_def chandef = {};
13388 if (!rdev->ops->tdls_channel_switch ||
13389 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13390 return -EOPNOTSUPP;
13392 switch (dev->ieee80211_ptr->iftype) {
13393 case NL80211_IFTYPE_STATION:
13394 case NL80211_IFTYPE_P2P_CLIENT:
13397 return -EOPNOTSUPP;
13400 if (!info->attrs[NL80211_ATTR_MAC] ||
13401 !info->attrs[NL80211_ATTR_OPER_CLASS])
13404 err = nl80211_parse_chandef(rdev, info, &chandef);
13409 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
13410 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
13411 * specification is not defined for them.
13413 if (chandef.chan->band == NL80211_BAND_2GHZ &&
13414 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
13415 chandef.width != NL80211_CHAN_WIDTH_20)
13418 /* we will be active on the TDLS link */
13419 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
13423 /* don't allow switching to DFS channels */
13424 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
13427 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13428 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
13431 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
13437 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
13438 struct genl_info *info)
13440 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13441 struct net_device *dev = info->user_ptr[1];
13442 struct wireless_dev *wdev = dev->ieee80211_ptr;
13445 if (!rdev->ops->tdls_channel_switch ||
13446 !rdev->ops->tdls_cancel_channel_switch ||
13447 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13448 return -EOPNOTSUPP;
13450 switch (dev->ieee80211_ptr->iftype) {
13451 case NL80211_IFTYPE_STATION:
13452 case NL80211_IFTYPE_P2P_CLIENT:
13455 return -EOPNOTSUPP;
13458 if (!info->attrs[NL80211_ATTR_MAC])
13461 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13464 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
13470 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
13471 struct genl_info *info)
13473 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13474 struct net_device *dev = info->user_ptr[1];
13475 struct wireless_dev *wdev = dev->ieee80211_ptr;
13476 const struct nlattr *nla;
13479 if (!rdev->ops->set_multicast_to_unicast)
13480 return -EOPNOTSUPP;
13482 if (wdev->iftype != NL80211_IFTYPE_AP &&
13483 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13484 return -EOPNOTSUPP;
13486 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
13487 enabled = nla_get_flag(nla);
13489 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
13492 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
13494 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13495 struct net_device *dev = info->user_ptr[1];
13496 struct wireless_dev *wdev = dev->ieee80211_ptr;
13497 struct cfg80211_pmk_conf pmk_conf = {};
13500 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13501 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13502 return -EOPNOTSUPP;
13504 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13505 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13506 return -EOPNOTSUPP;
13508 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
13512 if (!wdev->current_bss) {
13517 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13518 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
13523 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
13524 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
13525 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
13526 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
13531 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
13532 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13534 if (r0_name_len != WLAN_PMK_NAME_LEN) {
13539 pmk_conf.pmk_r0_name =
13540 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13543 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
13549 static int nl80211_del_pmk(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 wireless_dev *wdev = dev->ieee80211_ptr;
13557 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13558 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13559 return -EOPNOTSUPP;
13561 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13562 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13563 return -EOPNOTSUPP;
13565 if (!info->attrs[NL80211_ATTR_MAC])
13569 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13570 ret = rdev_del_pmk(rdev, dev, aa);
13576 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
13578 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13579 struct net_device *dev = info->user_ptr[1];
13580 struct cfg80211_external_auth_params params;
13582 if (!rdev->ops->external_auth)
13583 return -EOPNOTSUPP;
13585 if (!info->attrs[NL80211_ATTR_SSID] &&
13586 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
13587 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
13590 if (!info->attrs[NL80211_ATTR_BSSID])
13593 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
13596 memset(¶ms, 0, sizeof(params));
13598 if (info->attrs[NL80211_ATTR_SSID]) {
13599 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
13600 if (params.ssid.ssid_len == 0 ||
13601 params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
13603 memcpy(params.ssid.ssid,
13604 nla_data(info->attrs[NL80211_ATTR_SSID]),
13605 params.ssid.ssid_len);
13608 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
13611 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13613 if (info->attrs[NL80211_ATTR_PMKID])
13614 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
13616 return rdev_external_auth(rdev, dev, ¶ms);
13619 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
13621 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13622 struct net_device *dev = info->user_ptr[1];
13623 struct wireless_dev *wdev = dev->ieee80211_ptr;
13631 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13632 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
13633 return -EOPNOTSUPP;
13635 if (!rdev->ops->tx_control_port)
13636 return -EOPNOTSUPP;
13638 if (!info->attrs[NL80211_ATTR_FRAME] ||
13639 !info->attrs[NL80211_ATTR_MAC] ||
13640 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
13641 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
13647 switch (wdev->iftype) {
13648 case NL80211_IFTYPE_AP:
13649 case NL80211_IFTYPE_P2P_GO:
13650 case NL80211_IFTYPE_MESH_POINT:
13652 case NL80211_IFTYPE_ADHOC:
13653 case NL80211_IFTYPE_STATION:
13654 case NL80211_IFTYPE_P2P_CLIENT:
13655 if (wdev->current_bss)
13666 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13667 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13668 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13669 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
13671 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
13673 return rdev_tx_control_port(rdev, dev, buf, len,
13674 dest, cpu_to_be16(proto), noencrypt);
13681 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
13682 struct genl_info *info)
13684 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13685 struct net_device *dev = info->user_ptr[1];
13686 struct wireless_dev *wdev = dev->ieee80211_ptr;
13687 struct cfg80211_ftm_responder_stats ftm_stats = {};
13688 struct sk_buff *msg;
13690 struct nlattr *ftm_stats_attr;
13693 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
13694 return -EOPNOTSUPP;
13696 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
13700 if (!ftm_stats.filled)
13703 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13707 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13708 NL80211_CMD_GET_FTM_RESPONDER_STATS);
13710 goto nla_put_failure;
13712 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13713 goto nla_put_failure;
13715 ftm_stats_attr = nla_nest_start_noflag(msg,
13716 NL80211_ATTR_FTM_RESPONDER_STATS);
13717 if (!ftm_stats_attr)
13718 goto nla_put_failure;
13720 #define SET_FTM(field, name, type) \
13721 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13722 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13723 ftm_stats.field)) \
13724 goto nla_put_failure; } while (0)
13725 #define SET_FTM_U64(field, name) \
13726 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13727 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13728 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13729 goto nla_put_failure; } while (0)
13731 SET_FTM(success_num, SUCCESS_NUM, u32);
13732 SET_FTM(partial_num, PARTIAL_NUM, u32);
13733 SET_FTM(failed_num, FAILED_NUM, u32);
13734 SET_FTM(asap_num, ASAP_NUM, u32);
13735 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
13736 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
13737 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
13738 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
13739 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
13742 nla_nest_end(msg, ftm_stats_attr);
13744 genlmsg_end(msg, hdr);
13745 return genlmsg_reply(msg, info);
13752 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
13754 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13755 struct cfg80211_update_owe_info owe_info;
13756 struct net_device *dev = info->user_ptr[1];
13758 if (!rdev->ops->update_owe_info)
13759 return -EOPNOTSUPP;
13761 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
13762 !info->attrs[NL80211_ATTR_MAC])
13765 memset(&owe_info, 0, sizeof(owe_info));
13766 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13767 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
13769 if (info->attrs[NL80211_ATTR_IE]) {
13770 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13771 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13774 return rdev_update_owe_info(rdev, dev, &owe_info);
13777 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
13779 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13780 struct net_device *dev = info->user_ptr[1];
13781 struct wireless_dev *wdev = dev->ieee80211_ptr;
13782 struct station_info sinfo = {};
13788 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
13789 return -EOPNOTSUPP;
13791 if (!info->attrs[NL80211_ATTR_MAC] ||
13792 !info->attrs[NL80211_ATTR_FRAME]) {
13793 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
13797 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
13798 return -EOPNOTSUPP;
13800 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13801 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13802 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13804 if (len < sizeof(struct ethhdr))
13807 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
13808 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
13811 err = rdev_get_station(rdev, dev, dest, &sinfo);
13815 cfg80211_sinfo_release_content(&sinfo);
13817 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
13820 #define NL80211_FLAG_NEED_WIPHY 0x01
13821 #define NL80211_FLAG_NEED_NETDEV 0x02
13822 #define NL80211_FLAG_NEED_RTNL 0x04
13823 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
13824 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
13825 NL80211_FLAG_CHECK_NETDEV_UP)
13826 #define NL80211_FLAG_NEED_WDEV 0x10
13827 /* If a netdev is associated, it must be UP, P2P must be started */
13828 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
13829 NL80211_FLAG_CHECK_NETDEV_UP)
13830 #define NL80211_FLAG_CLEAR_SKB 0x20
13832 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
13833 struct genl_info *info)
13835 struct cfg80211_registered_device *rdev;
13836 struct wireless_dev *wdev;
13837 struct net_device *dev;
13838 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
13843 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
13844 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
13845 if (IS_ERR(rdev)) {
13848 return PTR_ERR(rdev);
13850 info->user_ptr[0] = rdev;
13851 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
13852 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13855 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
13857 if (IS_ERR(wdev)) {
13860 return PTR_ERR(wdev);
13863 dev = wdev->netdev;
13864 rdev = wiphy_to_rdev(wdev->wiphy);
13866 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
13873 info->user_ptr[1] = dev;
13875 info->user_ptr[1] = wdev;
13878 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
13879 !wdev_running(wdev)) {
13888 info->user_ptr[0] = rdev;
13894 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
13895 struct genl_info *info)
13897 if (info->user_ptr[1]) {
13898 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13899 struct wireless_dev *wdev = info->user_ptr[1];
13902 dev_put(wdev->netdev);
13904 dev_put(info->user_ptr[1]);
13908 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
13911 /* If needed, clear the netlink message payload from the SKB
13912 * as it might contain key data that shouldn't stick around on
13913 * the heap after the SKB is freed. The netlink message header
13914 * is still needed for further processing, so leave it intact.
13916 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
13917 struct nlmsghdr *nlh = nlmsg_hdr(skb);
13919 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
13923 static const struct genl_ops nl80211_ops[] = {
13925 .cmd = NL80211_CMD_GET_WIPHY,
13926 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13927 .doit = nl80211_get_wiphy,
13928 .dumpit = nl80211_dump_wiphy,
13929 .done = nl80211_dump_wiphy_done,
13930 /* can be retrieved by unprivileged users */
13931 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13932 NL80211_FLAG_NEED_RTNL,
13935 .cmd = NL80211_CMD_SET_WIPHY,
13936 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13937 .doit = nl80211_set_wiphy,
13938 .flags = GENL_UNS_ADMIN_PERM,
13939 .internal_flags = NL80211_FLAG_NEED_RTNL,
13942 .cmd = NL80211_CMD_GET_INTERFACE,
13943 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13944 .doit = nl80211_get_interface,
13945 .dumpit = nl80211_dump_interface,
13946 /* can be retrieved by unprivileged users */
13947 .internal_flags = NL80211_FLAG_NEED_WDEV |
13948 NL80211_FLAG_NEED_RTNL,
13951 .cmd = NL80211_CMD_SET_INTERFACE,
13952 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13953 .doit = nl80211_set_interface,
13954 .flags = GENL_UNS_ADMIN_PERM,
13955 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13956 NL80211_FLAG_NEED_RTNL,
13959 .cmd = NL80211_CMD_NEW_INTERFACE,
13960 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13961 .doit = nl80211_new_interface,
13962 .flags = GENL_UNS_ADMIN_PERM,
13963 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13964 NL80211_FLAG_NEED_RTNL,
13967 .cmd = NL80211_CMD_DEL_INTERFACE,
13968 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13969 .doit = nl80211_del_interface,
13970 .flags = GENL_UNS_ADMIN_PERM,
13971 .internal_flags = NL80211_FLAG_NEED_WDEV |
13972 NL80211_FLAG_NEED_RTNL,
13975 .cmd = NL80211_CMD_GET_KEY,
13976 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13977 .doit = nl80211_get_key,
13978 .flags = GENL_UNS_ADMIN_PERM,
13979 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13980 NL80211_FLAG_NEED_RTNL,
13983 .cmd = NL80211_CMD_SET_KEY,
13984 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13985 .doit = nl80211_set_key,
13986 .flags = GENL_UNS_ADMIN_PERM,
13987 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13988 NL80211_FLAG_NEED_RTNL |
13989 NL80211_FLAG_CLEAR_SKB,
13992 .cmd = NL80211_CMD_NEW_KEY,
13993 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13994 .doit = nl80211_new_key,
13995 .flags = GENL_UNS_ADMIN_PERM,
13996 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13997 NL80211_FLAG_NEED_RTNL |
13998 NL80211_FLAG_CLEAR_SKB,
14001 .cmd = NL80211_CMD_DEL_KEY,
14002 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14003 .doit = nl80211_del_key,
14004 .flags = GENL_UNS_ADMIN_PERM,
14005 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14006 NL80211_FLAG_NEED_RTNL,
14009 .cmd = NL80211_CMD_SET_BEACON,
14010 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14011 .flags = GENL_UNS_ADMIN_PERM,
14012 .doit = nl80211_set_beacon,
14013 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14014 NL80211_FLAG_NEED_RTNL,
14017 .cmd = NL80211_CMD_START_AP,
14018 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14019 .flags = GENL_UNS_ADMIN_PERM,
14020 .doit = nl80211_start_ap,
14021 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14022 NL80211_FLAG_NEED_RTNL,
14025 .cmd = NL80211_CMD_STOP_AP,
14026 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14027 .flags = GENL_UNS_ADMIN_PERM,
14028 .doit = nl80211_stop_ap,
14029 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14030 NL80211_FLAG_NEED_RTNL,
14033 .cmd = NL80211_CMD_GET_STATION,
14034 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14035 .doit = nl80211_get_station,
14036 .dumpit = nl80211_dump_station,
14037 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14038 NL80211_FLAG_NEED_RTNL,
14041 .cmd = NL80211_CMD_SET_STATION,
14042 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14043 .doit = nl80211_set_station,
14044 .flags = GENL_UNS_ADMIN_PERM,
14045 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14046 NL80211_FLAG_NEED_RTNL,
14049 .cmd = NL80211_CMD_NEW_STATION,
14050 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14051 .doit = nl80211_new_station,
14052 .flags = GENL_UNS_ADMIN_PERM,
14053 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14054 NL80211_FLAG_NEED_RTNL,
14057 .cmd = NL80211_CMD_DEL_STATION,
14058 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14059 .doit = nl80211_del_station,
14060 .flags = GENL_UNS_ADMIN_PERM,
14061 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14062 NL80211_FLAG_NEED_RTNL,
14065 .cmd = NL80211_CMD_GET_MPATH,
14066 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14067 .doit = nl80211_get_mpath,
14068 .dumpit = nl80211_dump_mpath,
14069 .flags = GENL_UNS_ADMIN_PERM,
14070 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14071 NL80211_FLAG_NEED_RTNL,
14074 .cmd = NL80211_CMD_GET_MPP,
14075 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14076 .doit = nl80211_get_mpp,
14077 .dumpit = nl80211_dump_mpp,
14078 .flags = GENL_UNS_ADMIN_PERM,
14079 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14080 NL80211_FLAG_NEED_RTNL,
14083 .cmd = NL80211_CMD_SET_MPATH,
14084 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14085 .doit = nl80211_set_mpath,
14086 .flags = GENL_UNS_ADMIN_PERM,
14087 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14088 NL80211_FLAG_NEED_RTNL,
14091 .cmd = NL80211_CMD_NEW_MPATH,
14092 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14093 .doit = nl80211_new_mpath,
14094 .flags = GENL_UNS_ADMIN_PERM,
14095 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14096 NL80211_FLAG_NEED_RTNL,
14099 .cmd = NL80211_CMD_DEL_MPATH,
14100 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14101 .doit = nl80211_del_mpath,
14102 .flags = GENL_UNS_ADMIN_PERM,
14103 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14104 NL80211_FLAG_NEED_RTNL,
14107 .cmd = NL80211_CMD_SET_BSS,
14108 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14109 .doit = nl80211_set_bss,
14110 .flags = GENL_UNS_ADMIN_PERM,
14111 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14112 NL80211_FLAG_NEED_RTNL,
14115 .cmd = NL80211_CMD_GET_REG,
14116 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14117 .doit = nl80211_get_reg_do,
14118 .dumpit = nl80211_get_reg_dump,
14119 .internal_flags = NL80211_FLAG_NEED_RTNL,
14120 /* can be retrieved by unprivileged users */
14122 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
14124 .cmd = NL80211_CMD_SET_REG,
14125 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14126 .doit = nl80211_set_reg,
14127 .flags = GENL_ADMIN_PERM,
14128 .internal_flags = NL80211_FLAG_NEED_RTNL,
14132 .cmd = NL80211_CMD_REQ_SET_REG,
14133 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14134 .doit = nl80211_req_set_reg,
14135 .flags = GENL_ADMIN_PERM,
14138 .cmd = NL80211_CMD_RELOAD_REGDB,
14139 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14140 .doit = nl80211_reload_regdb,
14141 .flags = GENL_ADMIN_PERM,
14144 .cmd = NL80211_CMD_GET_MESH_CONFIG,
14145 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14146 .doit = nl80211_get_mesh_config,
14147 /* can be retrieved by unprivileged users */
14148 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14149 NL80211_FLAG_NEED_RTNL,
14152 .cmd = NL80211_CMD_SET_MESH_CONFIG,
14153 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14154 .doit = nl80211_update_mesh_config,
14155 .flags = GENL_UNS_ADMIN_PERM,
14156 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14157 NL80211_FLAG_NEED_RTNL,
14160 .cmd = NL80211_CMD_TRIGGER_SCAN,
14161 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14162 .doit = nl80211_trigger_scan,
14163 .flags = GENL_UNS_ADMIN_PERM,
14164 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14165 NL80211_FLAG_NEED_RTNL,
14168 .cmd = NL80211_CMD_ABORT_SCAN,
14169 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14170 .doit = nl80211_abort_scan,
14171 .flags = GENL_UNS_ADMIN_PERM,
14172 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14173 NL80211_FLAG_NEED_RTNL,
14176 .cmd = NL80211_CMD_GET_SCAN,
14177 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14178 .dumpit = nl80211_dump_scan,
14181 .cmd = NL80211_CMD_START_SCHED_SCAN,
14182 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14183 .doit = nl80211_start_sched_scan,
14184 .flags = GENL_UNS_ADMIN_PERM,
14185 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14186 NL80211_FLAG_NEED_RTNL,
14189 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
14190 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14191 .doit = nl80211_stop_sched_scan,
14192 .flags = GENL_UNS_ADMIN_PERM,
14193 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14194 NL80211_FLAG_NEED_RTNL,
14197 .cmd = NL80211_CMD_AUTHENTICATE,
14198 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14199 .doit = nl80211_authenticate,
14200 .flags = GENL_UNS_ADMIN_PERM,
14201 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14202 NL80211_FLAG_NEED_RTNL |
14203 NL80211_FLAG_CLEAR_SKB,
14206 .cmd = NL80211_CMD_ASSOCIATE,
14207 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14208 .doit = nl80211_associate,
14209 .flags = GENL_UNS_ADMIN_PERM,
14210 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14211 NL80211_FLAG_NEED_RTNL |
14212 NL80211_FLAG_CLEAR_SKB,
14215 .cmd = NL80211_CMD_DEAUTHENTICATE,
14216 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14217 .doit = nl80211_deauthenticate,
14218 .flags = GENL_UNS_ADMIN_PERM,
14219 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14220 NL80211_FLAG_NEED_RTNL,
14223 .cmd = NL80211_CMD_DISASSOCIATE,
14224 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14225 .doit = nl80211_disassociate,
14226 .flags = GENL_UNS_ADMIN_PERM,
14227 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14228 NL80211_FLAG_NEED_RTNL,
14231 .cmd = NL80211_CMD_JOIN_IBSS,
14232 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14233 .doit = nl80211_join_ibss,
14234 .flags = GENL_UNS_ADMIN_PERM,
14235 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14236 NL80211_FLAG_NEED_RTNL,
14239 .cmd = NL80211_CMD_LEAVE_IBSS,
14240 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14241 .doit = nl80211_leave_ibss,
14242 .flags = GENL_UNS_ADMIN_PERM,
14243 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14244 NL80211_FLAG_NEED_RTNL,
14246 #ifdef CONFIG_NL80211_TESTMODE
14248 .cmd = NL80211_CMD_TESTMODE,
14249 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14250 .doit = nl80211_testmode_do,
14251 .dumpit = nl80211_testmode_dump,
14252 .flags = GENL_UNS_ADMIN_PERM,
14253 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14254 NL80211_FLAG_NEED_RTNL,
14258 .cmd = NL80211_CMD_CONNECT,
14259 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14260 .doit = nl80211_connect,
14261 .flags = GENL_UNS_ADMIN_PERM,
14262 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14263 NL80211_FLAG_NEED_RTNL |
14264 NL80211_FLAG_CLEAR_SKB,
14267 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
14268 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14269 .doit = nl80211_update_connect_params,
14270 .flags = GENL_ADMIN_PERM,
14271 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14272 NL80211_FLAG_NEED_RTNL |
14273 NL80211_FLAG_CLEAR_SKB,
14276 .cmd = NL80211_CMD_DISCONNECT,
14277 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14278 .doit = nl80211_disconnect,
14279 .flags = GENL_UNS_ADMIN_PERM,
14280 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14281 NL80211_FLAG_NEED_RTNL,
14284 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
14285 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14286 .doit = nl80211_wiphy_netns,
14287 .flags = GENL_UNS_ADMIN_PERM,
14288 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14289 NL80211_FLAG_NEED_RTNL,
14292 .cmd = NL80211_CMD_GET_SURVEY,
14293 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14294 .dumpit = nl80211_dump_survey,
14297 .cmd = NL80211_CMD_SET_PMKSA,
14298 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14299 .doit = nl80211_setdel_pmksa,
14300 .flags = GENL_UNS_ADMIN_PERM,
14301 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14302 NL80211_FLAG_NEED_RTNL |
14303 NL80211_FLAG_CLEAR_SKB,
14306 .cmd = NL80211_CMD_DEL_PMKSA,
14307 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14308 .doit = nl80211_setdel_pmksa,
14309 .flags = GENL_UNS_ADMIN_PERM,
14310 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14311 NL80211_FLAG_NEED_RTNL,
14314 .cmd = NL80211_CMD_FLUSH_PMKSA,
14315 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14316 .doit = nl80211_flush_pmksa,
14317 .flags = GENL_UNS_ADMIN_PERM,
14318 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14319 NL80211_FLAG_NEED_RTNL,
14322 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
14323 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14324 .doit = nl80211_remain_on_channel,
14325 .flags = GENL_UNS_ADMIN_PERM,
14326 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14327 NL80211_FLAG_NEED_RTNL,
14330 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
14331 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14332 .doit = nl80211_cancel_remain_on_channel,
14333 .flags = GENL_UNS_ADMIN_PERM,
14334 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14335 NL80211_FLAG_NEED_RTNL,
14338 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
14339 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14340 .doit = nl80211_set_tx_bitrate_mask,
14341 .flags = GENL_UNS_ADMIN_PERM,
14342 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14343 NL80211_FLAG_NEED_RTNL,
14346 .cmd = NL80211_CMD_REGISTER_FRAME,
14347 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14348 .doit = nl80211_register_mgmt,
14349 .flags = GENL_UNS_ADMIN_PERM,
14350 .internal_flags = NL80211_FLAG_NEED_WDEV |
14351 NL80211_FLAG_NEED_RTNL,
14354 .cmd = NL80211_CMD_FRAME,
14355 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14356 .doit = nl80211_tx_mgmt,
14357 .flags = GENL_UNS_ADMIN_PERM,
14358 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14359 NL80211_FLAG_NEED_RTNL,
14362 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
14363 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14364 .doit = nl80211_tx_mgmt_cancel_wait,
14365 .flags = GENL_UNS_ADMIN_PERM,
14366 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14367 NL80211_FLAG_NEED_RTNL,
14370 .cmd = NL80211_CMD_SET_POWER_SAVE,
14371 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14372 .doit = nl80211_set_power_save,
14373 .flags = GENL_UNS_ADMIN_PERM,
14374 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14375 NL80211_FLAG_NEED_RTNL,
14378 .cmd = NL80211_CMD_GET_POWER_SAVE,
14379 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14380 .doit = nl80211_get_power_save,
14381 /* can be retrieved by unprivileged users */
14382 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14383 NL80211_FLAG_NEED_RTNL,
14386 .cmd = NL80211_CMD_SET_CQM,
14387 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14388 .doit = nl80211_set_cqm,
14389 .flags = GENL_UNS_ADMIN_PERM,
14390 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14391 NL80211_FLAG_NEED_RTNL,
14394 .cmd = NL80211_CMD_SET_CHANNEL,
14395 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14396 .doit = nl80211_set_channel,
14397 .flags = GENL_UNS_ADMIN_PERM,
14398 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14399 NL80211_FLAG_NEED_RTNL,
14402 .cmd = NL80211_CMD_SET_WDS_PEER,
14403 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14404 .doit = nl80211_set_wds_peer,
14405 .flags = GENL_UNS_ADMIN_PERM,
14406 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14407 NL80211_FLAG_NEED_RTNL,
14410 .cmd = NL80211_CMD_JOIN_MESH,
14411 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14412 .doit = nl80211_join_mesh,
14413 .flags = GENL_UNS_ADMIN_PERM,
14414 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14415 NL80211_FLAG_NEED_RTNL,
14418 .cmd = NL80211_CMD_LEAVE_MESH,
14419 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14420 .doit = nl80211_leave_mesh,
14421 .flags = GENL_UNS_ADMIN_PERM,
14422 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14423 NL80211_FLAG_NEED_RTNL,
14426 .cmd = NL80211_CMD_JOIN_OCB,
14427 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14428 .doit = nl80211_join_ocb,
14429 .flags = GENL_UNS_ADMIN_PERM,
14430 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14431 NL80211_FLAG_NEED_RTNL,
14434 .cmd = NL80211_CMD_LEAVE_OCB,
14435 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14436 .doit = nl80211_leave_ocb,
14437 .flags = GENL_UNS_ADMIN_PERM,
14438 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14439 NL80211_FLAG_NEED_RTNL,
14443 .cmd = NL80211_CMD_GET_WOWLAN,
14444 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14445 .doit = nl80211_get_wowlan,
14446 /* can be retrieved by unprivileged users */
14447 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14448 NL80211_FLAG_NEED_RTNL,
14451 .cmd = NL80211_CMD_SET_WOWLAN,
14452 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14453 .doit = nl80211_set_wowlan,
14454 .flags = GENL_UNS_ADMIN_PERM,
14455 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14456 NL80211_FLAG_NEED_RTNL,
14460 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
14461 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14462 .doit = nl80211_set_rekey_data,
14463 .flags = GENL_UNS_ADMIN_PERM,
14464 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14465 NL80211_FLAG_NEED_RTNL |
14466 NL80211_FLAG_CLEAR_SKB,
14469 .cmd = NL80211_CMD_TDLS_MGMT,
14470 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14471 .doit = nl80211_tdls_mgmt,
14472 .flags = GENL_UNS_ADMIN_PERM,
14473 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14474 NL80211_FLAG_NEED_RTNL,
14477 .cmd = NL80211_CMD_TDLS_OPER,
14478 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14479 .doit = nl80211_tdls_oper,
14480 .flags = GENL_UNS_ADMIN_PERM,
14481 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14482 NL80211_FLAG_NEED_RTNL,
14485 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
14486 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14487 .doit = nl80211_register_unexpected_frame,
14488 .flags = GENL_UNS_ADMIN_PERM,
14489 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14490 NL80211_FLAG_NEED_RTNL,
14493 .cmd = NL80211_CMD_PROBE_CLIENT,
14494 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14495 .doit = nl80211_probe_client,
14496 .flags = GENL_UNS_ADMIN_PERM,
14497 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14498 NL80211_FLAG_NEED_RTNL,
14501 .cmd = NL80211_CMD_REGISTER_BEACONS,
14502 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14503 .doit = nl80211_register_beacons,
14504 .flags = GENL_UNS_ADMIN_PERM,
14505 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14506 NL80211_FLAG_NEED_RTNL,
14509 .cmd = NL80211_CMD_SET_NOACK_MAP,
14510 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14511 .doit = nl80211_set_noack_map,
14512 .flags = GENL_UNS_ADMIN_PERM,
14513 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14514 NL80211_FLAG_NEED_RTNL,
14517 .cmd = NL80211_CMD_START_P2P_DEVICE,
14518 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14519 .doit = nl80211_start_p2p_device,
14520 .flags = GENL_UNS_ADMIN_PERM,
14521 .internal_flags = NL80211_FLAG_NEED_WDEV |
14522 NL80211_FLAG_NEED_RTNL,
14525 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
14526 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14527 .doit = nl80211_stop_p2p_device,
14528 .flags = GENL_UNS_ADMIN_PERM,
14529 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14530 NL80211_FLAG_NEED_RTNL,
14533 .cmd = NL80211_CMD_START_NAN,
14534 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14535 .doit = nl80211_start_nan,
14536 .flags = GENL_ADMIN_PERM,
14537 .internal_flags = NL80211_FLAG_NEED_WDEV |
14538 NL80211_FLAG_NEED_RTNL,
14541 .cmd = NL80211_CMD_STOP_NAN,
14542 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14543 .doit = nl80211_stop_nan,
14544 .flags = GENL_ADMIN_PERM,
14545 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14546 NL80211_FLAG_NEED_RTNL,
14549 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
14550 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14551 .doit = nl80211_nan_add_func,
14552 .flags = GENL_ADMIN_PERM,
14553 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14554 NL80211_FLAG_NEED_RTNL,
14557 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
14558 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14559 .doit = nl80211_nan_del_func,
14560 .flags = GENL_ADMIN_PERM,
14561 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14562 NL80211_FLAG_NEED_RTNL,
14565 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
14566 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14567 .doit = nl80211_nan_change_config,
14568 .flags = GENL_ADMIN_PERM,
14569 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14570 NL80211_FLAG_NEED_RTNL,
14573 .cmd = NL80211_CMD_SET_MCAST_RATE,
14574 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14575 .doit = nl80211_set_mcast_rate,
14576 .flags = GENL_UNS_ADMIN_PERM,
14577 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14578 NL80211_FLAG_NEED_RTNL,
14581 .cmd = NL80211_CMD_SET_MAC_ACL,
14582 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14583 .doit = nl80211_set_mac_acl,
14584 .flags = GENL_UNS_ADMIN_PERM,
14585 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14586 NL80211_FLAG_NEED_RTNL,
14589 .cmd = NL80211_CMD_RADAR_DETECT,
14590 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14591 .doit = nl80211_start_radar_detection,
14592 .flags = GENL_UNS_ADMIN_PERM,
14593 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14594 NL80211_FLAG_NEED_RTNL,
14597 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
14598 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14599 .doit = nl80211_get_protocol_features,
14602 .cmd = NL80211_CMD_UPDATE_FT_IES,
14603 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14604 .doit = nl80211_update_ft_ies,
14605 .flags = GENL_UNS_ADMIN_PERM,
14606 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14607 NL80211_FLAG_NEED_RTNL,
14610 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
14611 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14612 .doit = nl80211_crit_protocol_start,
14613 .flags = GENL_UNS_ADMIN_PERM,
14614 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14615 NL80211_FLAG_NEED_RTNL,
14618 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
14619 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14620 .doit = nl80211_crit_protocol_stop,
14621 .flags = GENL_UNS_ADMIN_PERM,
14622 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14623 NL80211_FLAG_NEED_RTNL,
14626 .cmd = NL80211_CMD_GET_COALESCE,
14627 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14628 .doit = nl80211_get_coalesce,
14629 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14630 NL80211_FLAG_NEED_RTNL,
14633 .cmd = NL80211_CMD_SET_COALESCE,
14634 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14635 .doit = nl80211_set_coalesce,
14636 .flags = GENL_UNS_ADMIN_PERM,
14637 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14638 NL80211_FLAG_NEED_RTNL,
14641 .cmd = NL80211_CMD_CHANNEL_SWITCH,
14642 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14643 .doit = nl80211_channel_switch,
14644 .flags = GENL_UNS_ADMIN_PERM,
14645 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14646 NL80211_FLAG_NEED_RTNL,
14649 .cmd = NL80211_CMD_VENDOR,
14650 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14651 .doit = nl80211_vendor_cmd,
14652 .dumpit = nl80211_vendor_cmd_dump,
14653 .flags = GENL_UNS_ADMIN_PERM,
14654 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14655 NL80211_FLAG_NEED_RTNL |
14656 NL80211_FLAG_CLEAR_SKB,
14659 .cmd = NL80211_CMD_SET_QOS_MAP,
14660 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14661 .doit = nl80211_set_qos_map,
14662 .flags = GENL_UNS_ADMIN_PERM,
14663 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14664 NL80211_FLAG_NEED_RTNL,
14667 .cmd = NL80211_CMD_ADD_TX_TS,
14668 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14669 .doit = nl80211_add_tx_ts,
14670 .flags = GENL_UNS_ADMIN_PERM,
14671 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14672 NL80211_FLAG_NEED_RTNL,
14675 .cmd = NL80211_CMD_DEL_TX_TS,
14676 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14677 .doit = nl80211_del_tx_ts,
14678 .flags = GENL_UNS_ADMIN_PERM,
14679 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14680 NL80211_FLAG_NEED_RTNL,
14683 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
14684 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14685 .doit = nl80211_tdls_channel_switch,
14686 .flags = GENL_UNS_ADMIN_PERM,
14687 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14688 NL80211_FLAG_NEED_RTNL,
14691 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
14692 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14693 .doit = nl80211_tdls_cancel_channel_switch,
14694 .flags = GENL_UNS_ADMIN_PERM,
14695 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14696 NL80211_FLAG_NEED_RTNL,
14699 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
14700 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14701 .doit = nl80211_set_multicast_to_unicast,
14702 .flags = GENL_UNS_ADMIN_PERM,
14703 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14704 NL80211_FLAG_NEED_RTNL,
14707 .cmd = NL80211_CMD_SET_PMK,
14708 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14709 .doit = nl80211_set_pmk,
14710 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14711 NL80211_FLAG_NEED_RTNL |
14712 NL80211_FLAG_CLEAR_SKB,
14715 .cmd = NL80211_CMD_DEL_PMK,
14716 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14717 .doit = nl80211_del_pmk,
14718 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14719 NL80211_FLAG_NEED_RTNL,
14722 .cmd = NL80211_CMD_EXTERNAL_AUTH,
14723 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14724 .doit = nl80211_external_auth,
14725 .flags = GENL_ADMIN_PERM,
14726 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14727 NL80211_FLAG_NEED_RTNL,
14730 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
14731 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14732 .doit = nl80211_tx_control_port,
14733 .flags = GENL_UNS_ADMIN_PERM,
14734 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14735 NL80211_FLAG_NEED_RTNL,
14738 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
14739 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14740 .doit = nl80211_get_ftm_responder_stats,
14741 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14742 NL80211_FLAG_NEED_RTNL,
14745 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
14746 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14747 .doit = nl80211_pmsr_start,
14748 .flags = GENL_UNS_ADMIN_PERM,
14749 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14750 NL80211_FLAG_NEED_RTNL,
14753 .cmd = NL80211_CMD_NOTIFY_RADAR,
14754 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14755 .doit = nl80211_notify_radar_detection,
14756 .flags = GENL_UNS_ADMIN_PERM,
14757 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14758 NL80211_FLAG_NEED_RTNL,
14761 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
14762 .doit = nl80211_update_owe_info,
14763 .flags = GENL_ADMIN_PERM,
14764 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14765 NL80211_FLAG_NEED_RTNL,
14768 .cmd = NL80211_CMD_PROBE_MESH_LINK,
14769 .doit = nl80211_probe_mesh_link,
14770 .flags = GENL_UNS_ADMIN_PERM,
14771 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14772 NL80211_FLAG_NEED_RTNL,
14776 static struct genl_family nl80211_fam __ro_after_init = {
14777 .name = NL80211_GENL_NAME, /* have users key off the name instead */
14778 .hdrsize = 0, /* no private header */
14779 .version = 1, /* no particular meaning now */
14780 .maxattr = NL80211_ATTR_MAX,
14781 .policy = nl80211_policy,
14783 .pre_doit = nl80211_pre_doit,
14784 .post_doit = nl80211_post_doit,
14785 .module = THIS_MODULE,
14786 .ops = nl80211_ops,
14787 .n_ops = ARRAY_SIZE(nl80211_ops),
14788 .mcgrps = nl80211_mcgrps,
14789 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
14790 .parallel_ops = true,
14793 /* notification functions */
14795 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
14796 enum nl80211_commands cmd)
14798 struct sk_buff *msg;
14799 struct nl80211_dump_wiphy_state state = {};
14801 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
14802 cmd != NL80211_CMD_DEL_WIPHY);
14804 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14808 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
14813 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14814 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14817 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
14818 struct wireless_dev *wdev,
14819 enum nl80211_commands cmd)
14821 struct sk_buff *msg;
14823 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14827 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
14832 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14833 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14836 static int nl80211_add_scan_req(struct sk_buff *msg,
14837 struct cfg80211_registered_device *rdev)
14839 struct cfg80211_scan_request *req = rdev->scan_req;
14840 struct nlattr *nest;
14846 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
14848 goto nla_put_failure;
14849 for (i = 0; i < req->n_ssids; i++) {
14850 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
14851 goto nla_put_failure;
14853 nla_nest_end(msg, nest);
14855 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
14857 goto nla_put_failure;
14858 for (i = 0; i < req->n_channels; i++) {
14859 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
14860 goto nla_put_failure;
14862 nla_nest_end(msg, nest);
14865 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
14866 goto nla_put_failure;
14869 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
14870 goto nla_put_failure;
14872 if (req->info.scan_start_tsf &&
14873 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
14874 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
14875 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
14876 req->info.tsf_bssid)))
14877 goto nla_put_failure;
14884 static int nl80211_prep_scan_msg(struct sk_buff *msg,
14885 struct cfg80211_registered_device *rdev,
14886 struct wireless_dev *wdev,
14887 u32 portid, u32 seq, int flags,
14892 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
14896 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14897 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14898 wdev->netdev->ifindex)) ||
14899 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14901 goto nla_put_failure;
14903 /* ignore errors and send incomplete event anyway */
14904 nl80211_add_scan_req(msg, rdev);
14906 genlmsg_end(msg, hdr);
14910 genlmsg_cancel(msg, hdr);
14915 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
14916 struct cfg80211_sched_scan_request *req, u32 cmd)
14920 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14924 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
14925 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
14926 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
14927 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
14929 goto nla_put_failure;
14931 genlmsg_end(msg, hdr);
14935 genlmsg_cancel(msg, hdr);
14939 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
14940 struct wireless_dev *wdev)
14942 struct sk_buff *msg;
14944 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14948 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14949 NL80211_CMD_TRIGGER_SCAN) < 0) {
14954 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14955 NL80211_MCGRP_SCAN, GFP_KERNEL);
14958 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
14959 struct wireless_dev *wdev, bool aborted)
14961 struct sk_buff *msg;
14963 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14967 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14968 aborted ? NL80211_CMD_SCAN_ABORTED :
14969 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
14977 /* send message created by nl80211_build_scan_msg() */
14978 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
14979 struct sk_buff *msg)
14984 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14985 NL80211_MCGRP_SCAN, GFP_KERNEL);
14988 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
14990 struct sk_buff *msg;
14992 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14996 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
15001 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
15002 NL80211_MCGRP_SCAN, GFP_KERNEL);
15005 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
15006 struct regulatory_request *request)
15008 /* Userspace can always count this one always being set */
15009 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
15010 goto nla_put_failure;
15012 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
15013 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15014 NL80211_REGDOM_TYPE_WORLD))
15015 goto nla_put_failure;
15016 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
15017 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15018 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
15019 goto nla_put_failure;
15020 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
15021 request->intersect) {
15022 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15023 NL80211_REGDOM_TYPE_INTERSECTION))
15024 goto nla_put_failure;
15026 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15027 NL80211_REGDOM_TYPE_COUNTRY) ||
15028 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
15030 goto nla_put_failure;
15033 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
15034 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
15037 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
15038 goto nla_put_failure;
15041 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
15042 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
15043 goto nla_put_failure;
15053 * This can happen on global regulatory changes or device specific settings
15054 * based on custom regulatory domains.
15056 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
15057 struct regulatory_request *request)
15059 struct sk_buff *msg;
15062 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15066 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
15068 goto nla_put_failure;
15070 if (!nl80211_reg_change_event_fill(msg, request))
15071 goto nla_put_failure;
15073 genlmsg_end(msg, hdr);
15076 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15077 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15086 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
15087 struct net_device *netdev,
15088 const u8 *buf, size_t len,
15089 enum nl80211_commands cmd, gfp_t gfp,
15090 int uapsd_queues, const u8 *req_ies,
15091 size_t req_ies_len)
15093 struct sk_buff *msg;
15096 msg = nlmsg_new(100 + len + req_ies_len, gfp);
15100 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15106 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15107 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15108 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15110 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
15111 goto nla_put_failure;
15113 if (uapsd_queues >= 0) {
15114 struct nlattr *nla_wmm =
15115 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
15117 goto nla_put_failure;
15119 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
15121 goto nla_put_failure;
15123 nla_nest_end(msg, nla_wmm);
15126 genlmsg_end(msg, hdr);
15128 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15129 NL80211_MCGRP_MLME, gfp);
15136 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
15137 struct net_device *netdev, const u8 *buf,
15138 size_t len, gfp_t gfp)
15140 nl80211_send_mlme_event(rdev, netdev, buf, len,
15141 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
15144 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
15145 struct net_device *netdev, const u8 *buf,
15146 size_t len, gfp_t gfp, int uapsd_queues,
15147 const u8 *req_ies, size_t req_ies_len)
15149 nl80211_send_mlme_event(rdev, netdev, buf, len,
15150 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
15151 req_ies, req_ies_len);
15154 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
15155 struct net_device *netdev, const u8 *buf,
15156 size_t len, gfp_t gfp)
15158 nl80211_send_mlme_event(rdev, netdev, buf, len,
15159 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
15162 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
15163 struct net_device *netdev, const u8 *buf,
15164 size_t len, gfp_t gfp)
15166 nl80211_send_mlme_event(rdev, netdev, buf, len,
15167 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
15170 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
15173 struct wireless_dev *wdev = dev->ieee80211_ptr;
15174 struct wiphy *wiphy = wdev->wiphy;
15175 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15176 const struct ieee80211_mgmt *mgmt = (void *)buf;
15179 if (WARN_ON(len < 2))
15182 if (ieee80211_is_deauth(mgmt->frame_control))
15183 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
15185 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
15187 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
15188 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
15191 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
15193 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
15194 struct net_device *netdev, int cmd,
15195 const u8 *addr, gfp_t gfp)
15197 struct sk_buff *msg;
15200 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15204 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15210 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15211 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15212 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
15213 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15214 goto nla_put_failure;
15216 genlmsg_end(msg, hdr);
15218 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15219 NL80211_MCGRP_MLME, gfp);
15226 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
15227 struct net_device *netdev, const u8 *addr,
15230 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
15234 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
15235 struct net_device *netdev, const u8 *addr,
15238 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
15242 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
15243 struct net_device *netdev,
15244 struct cfg80211_connect_resp_params *cr,
15247 struct sk_buff *msg;
15250 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
15251 cr->fils.kek_len + cr->fils.pmk_len +
15252 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15256 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
15262 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15263 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15265 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
15266 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
15267 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
15270 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
15271 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
15272 cr->timeout_reason))) ||
15274 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
15276 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
15278 (cr->fils.update_erp_next_seq_num &&
15279 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15280 cr->fils.erp_next_seq_num)) ||
15281 (cr->status == WLAN_STATUS_SUCCESS &&
15283 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
15286 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
15288 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
15289 goto nla_put_failure;
15291 genlmsg_end(msg, hdr);
15293 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15294 NL80211_MCGRP_MLME, gfp);
15301 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
15302 struct net_device *netdev,
15303 struct cfg80211_roam_info *info, gfp_t gfp)
15305 struct sk_buff *msg;
15307 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
15309 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
15310 info->fils.kek_len + info->fils.pmk_len +
15311 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15315 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
15321 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15322 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15323 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
15325 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
15328 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
15330 (info->fils.update_erp_next_seq_num &&
15331 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15332 info->fils.erp_next_seq_num)) ||
15334 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
15335 info->fils.kek)) ||
15337 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
15338 (info->fils.pmkid &&
15339 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
15340 goto nla_put_failure;
15342 genlmsg_end(msg, hdr);
15344 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15345 NL80211_MCGRP_MLME, gfp);
15352 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
15353 struct net_device *netdev, const u8 *bssid)
15355 struct sk_buff *msg;
15358 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15362 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
15368 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15369 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15370 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15371 goto nla_put_failure;
15373 genlmsg_end(msg, hdr);
15375 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15376 NL80211_MCGRP_MLME, GFP_KERNEL);
15383 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
15384 struct net_device *netdev, u16 reason,
15385 const u8 *ie, size_t ie_len, bool from_ap)
15387 struct sk_buff *msg;
15390 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
15394 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
15400 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15401 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15403 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
15405 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
15406 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
15407 goto nla_put_failure;
15409 genlmsg_end(msg, hdr);
15411 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15412 NL80211_MCGRP_MLME, GFP_KERNEL);
15419 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
15420 struct net_device *netdev, const u8 *bssid,
15423 struct sk_buff *msg;
15426 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15430 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
15436 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15437 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15438 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15439 goto nla_put_failure;
15441 genlmsg_end(msg, hdr);
15443 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15444 NL80211_MCGRP_MLME, gfp);
15451 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
15452 const u8 *ie, u8 ie_len,
15453 int sig_dbm, gfp_t gfp)
15455 struct wireless_dev *wdev = dev->ieee80211_ptr;
15456 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15457 struct sk_buff *msg;
15460 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
15463 trace_cfg80211_notify_new_peer_candidate(dev, addr);
15465 msg = nlmsg_new(100 + ie_len, gfp);
15469 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
15475 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15476 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15477 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15479 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
15481 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
15482 goto nla_put_failure;
15484 genlmsg_end(msg, hdr);
15486 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15487 NL80211_MCGRP_MLME, gfp);
15493 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
15495 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
15496 struct net_device *netdev, const u8 *addr,
15497 enum nl80211_key_type key_type, int key_id,
15498 const u8 *tsc, gfp_t gfp)
15500 struct sk_buff *msg;
15503 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15507 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
15513 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15514 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15515 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
15516 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
15518 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
15519 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
15520 goto nla_put_failure;
15522 genlmsg_end(msg, hdr);
15524 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15525 NL80211_MCGRP_MLME, gfp);
15532 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
15533 struct ieee80211_channel *channel_before,
15534 struct ieee80211_channel *channel_after)
15536 struct sk_buff *msg;
15538 struct nlattr *nl_freq;
15540 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
15544 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
15551 * Since we are applying the beacon hint to a wiphy we know its
15552 * wiphy_idx is valid
15554 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
15555 goto nla_put_failure;
15558 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
15560 goto nla_put_failure;
15562 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
15563 goto nla_put_failure;
15564 nla_nest_end(msg, nl_freq);
15567 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
15569 goto nla_put_failure;
15571 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
15572 goto nla_put_failure;
15573 nla_nest_end(msg, nl_freq);
15575 genlmsg_end(msg, hdr);
15578 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15579 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15588 static void nl80211_send_remain_on_chan_event(
15589 int cmd, struct cfg80211_registered_device *rdev,
15590 struct wireless_dev *wdev, u64 cookie,
15591 struct ieee80211_channel *chan,
15592 unsigned int duration, gfp_t gfp)
15594 struct sk_buff *msg;
15597 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15601 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15607 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15608 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15609 wdev->netdev->ifindex)) ||
15610 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15611 NL80211_ATTR_PAD) ||
15612 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
15613 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
15614 NL80211_CHAN_NO_HT) ||
15615 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15617 goto nla_put_failure;
15619 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
15620 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
15621 goto nla_put_failure;
15623 genlmsg_end(msg, hdr);
15625 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15626 NL80211_MCGRP_MLME, gfp);
15633 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
15634 struct ieee80211_channel *chan,
15635 unsigned int duration, gfp_t gfp)
15637 struct wiphy *wiphy = wdev->wiphy;
15638 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15640 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
15641 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
15642 rdev, wdev, cookie, chan,
15645 EXPORT_SYMBOL(cfg80211_ready_on_channel);
15647 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
15648 struct ieee80211_channel *chan,
15651 struct wiphy *wiphy = wdev->wiphy;
15652 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15654 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
15655 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15656 rdev, wdev, cookie, chan, 0, gfp);
15658 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
15660 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
15661 struct ieee80211_channel *chan,
15664 struct wiphy *wiphy = wdev->wiphy;
15665 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15667 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
15668 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
15669 rdev, wdev, cookie, chan, 0, gfp);
15671 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
15673 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
15674 struct station_info *sinfo, gfp_t gfp)
15676 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15677 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15678 struct sk_buff *msg;
15680 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
15682 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15686 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
15687 rdev, dev, mac_addr, sinfo) < 0) {
15692 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15693 NL80211_MCGRP_MLME, gfp);
15695 EXPORT_SYMBOL(cfg80211_new_sta);
15697 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
15698 struct station_info *sinfo, gfp_t gfp)
15700 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15701 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15702 struct sk_buff *msg;
15703 struct station_info empty_sinfo = {};
15706 sinfo = &empty_sinfo;
15708 trace_cfg80211_del_sta(dev, mac_addr);
15710 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15712 cfg80211_sinfo_release_content(sinfo);
15716 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
15717 rdev, dev, mac_addr, sinfo) < 0) {
15722 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15723 NL80211_MCGRP_MLME, gfp);
15725 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
15727 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
15728 enum nl80211_connect_failed_reason reason,
15731 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15732 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15733 struct sk_buff *msg;
15736 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
15740 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
15746 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15747 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
15748 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
15749 goto nla_put_failure;
15751 genlmsg_end(msg, hdr);
15753 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15754 NL80211_MCGRP_MLME, gfp);
15760 EXPORT_SYMBOL(cfg80211_conn_failed);
15762 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
15763 const u8 *addr, gfp_t gfp)
15765 struct wireless_dev *wdev = dev->ieee80211_ptr;
15766 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15767 struct sk_buff *msg;
15769 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
15774 msg = nlmsg_new(100, gfp);
15778 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15784 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15785 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15786 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15787 goto nla_put_failure;
15789 genlmsg_end(msg, hdr);
15790 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15798 bool cfg80211_rx_spurious_frame(struct net_device *dev,
15799 const u8 *addr, gfp_t gfp)
15801 struct wireless_dev *wdev = dev->ieee80211_ptr;
15804 trace_cfg80211_rx_spurious_frame(dev, addr);
15806 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15807 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
15808 trace_cfg80211_return_bool(false);
15811 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
15813 trace_cfg80211_return_bool(ret);
15816 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
15818 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
15819 const u8 *addr, gfp_t gfp)
15821 struct wireless_dev *wdev = dev->ieee80211_ptr;
15824 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
15826 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15827 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
15828 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
15829 trace_cfg80211_return_bool(false);
15832 ret = __nl80211_unexpected_frame(dev,
15833 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
15835 trace_cfg80211_return_bool(ret);
15838 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
15840 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15841 struct wireless_dev *wdev, u32 nlportid,
15842 int freq, int sig_dbm,
15843 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
15845 struct net_device *netdev = wdev->netdev;
15846 struct sk_buff *msg;
15849 msg = nlmsg_new(100 + len, gfp);
15853 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
15859 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15860 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15861 netdev->ifindex)) ||
15862 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15863 NL80211_ATTR_PAD) ||
15864 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
15866 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
15867 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15869 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
15870 goto nla_put_failure;
15872 genlmsg_end(msg, hdr);
15874 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15881 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
15882 const u8 *buf, size_t len, bool ack, gfp_t gfp)
15884 struct wiphy *wiphy = wdev->wiphy;
15885 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15886 struct net_device *netdev = wdev->netdev;
15887 struct sk_buff *msg;
15890 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
15892 msg = nlmsg_new(100 + len, gfp);
15896 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
15902 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15903 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15904 netdev->ifindex)) ||
15905 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15906 NL80211_ATTR_PAD) ||
15907 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15908 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15909 NL80211_ATTR_PAD) ||
15910 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
15911 goto nla_put_failure;
15913 genlmsg_end(msg, hdr);
15915 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15916 NL80211_MCGRP_MLME, gfp);
15922 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
15924 static int __nl80211_rx_control_port(struct net_device *dev,
15925 struct sk_buff *skb,
15926 bool unencrypted, gfp_t gfp)
15928 struct wireless_dev *wdev = dev->ieee80211_ptr;
15929 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15930 struct ethhdr *ehdr = eth_hdr(skb);
15931 const u8 *addr = ehdr->h_source;
15932 u16 proto = be16_to_cpu(skb->protocol);
15933 struct sk_buff *msg;
15935 struct nlattr *frame;
15937 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
15942 msg = nlmsg_new(100 + skb->len, gfp);
15946 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
15952 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15953 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15954 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15955 NL80211_ATTR_PAD) ||
15956 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15957 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
15958 (unencrypted && nla_put_flag(msg,
15959 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
15960 goto nla_put_failure;
15962 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
15964 goto nla_put_failure;
15966 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
15967 genlmsg_end(msg, hdr);
15969 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15976 bool cfg80211_rx_control_port(struct net_device *dev,
15977 struct sk_buff *skb, bool unencrypted)
15981 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
15982 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
15983 trace_cfg80211_return_bool(ret == 0);
15986 EXPORT_SYMBOL(cfg80211_rx_control_port);
15988 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
15989 const char *mac, gfp_t gfp)
15991 struct wireless_dev *wdev = dev->ieee80211_ptr;
15992 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15993 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15999 cb = (void **)msg->cb;
16001 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
16007 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16008 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16009 goto nla_put_failure;
16011 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16012 goto nla_put_failure;
16014 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
16016 goto nla_put_failure;
16026 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
16028 void **cb = (void **)msg->cb;
16029 struct cfg80211_registered_device *rdev = cb[2];
16031 nla_nest_end(msg, cb[1]);
16032 genlmsg_end(msg, cb[0]);
16034 memset(msg->cb, 0, sizeof(msg->cb));
16036 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16037 NL80211_MCGRP_MLME, gfp);
16040 void cfg80211_cqm_rssi_notify(struct net_device *dev,
16041 enum nl80211_cqm_rssi_threshold_event rssi_event,
16042 s32 rssi_level, gfp_t gfp)
16044 struct sk_buff *msg;
16045 struct wireless_dev *wdev = dev->ieee80211_ptr;
16046 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16048 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
16050 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
16051 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
16054 if (wdev->cqm_config) {
16055 wdev->cqm_config->last_rssi_event_value = rssi_level;
16057 cfg80211_cqm_rssi_update(rdev, dev);
16059 if (rssi_level == 0)
16060 rssi_level = wdev->cqm_config->last_rssi_event_value;
16063 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16067 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
16069 goto nla_put_failure;
16071 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
16073 goto nla_put_failure;
16075 cfg80211_send_cqm(msg, gfp);
16082 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
16084 void cfg80211_cqm_txe_notify(struct net_device *dev,
16085 const u8 *peer, u32 num_packets,
16086 u32 rate, u32 intvl, gfp_t gfp)
16088 struct sk_buff *msg;
16090 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16094 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
16095 goto nla_put_failure;
16097 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
16098 goto nla_put_failure;
16100 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
16101 goto nla_put_failure;
16103 cfg80211_send_cqm(msg, gfp);
16109 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
16111 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
16112 const u8 *peer, u32 num_packets, gfp_t gfp)
16114 struct sk_buff *msg;
16116 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
16118 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16122 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
16123 goto nla_put_failure;
16125 cfg80211_send_cqm(msg, gfp);
16131 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
16133 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
16135 struct sk_buff *msg;
16137 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16141 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
16142 goto nla_put_failure;
16144 cfg80211_send_cqm(msg, gfp);
16150 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
16152 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
16153 struct net_device *netdev, const u8 *bssid,
16154 const u8 *replay_ctr, gfp_t gfp)
16156 struct sk_buff *msg;
16157 struct nlattr *rekey_attr;
16160 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16164 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
16170 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16171 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16172 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16173 goto nla_put_failure;
16175 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
16177 goto nla_put_failure;
16179 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
16180 NL80211_REPLAY_CTR_LEN, replay_ctr))
16181 goto nla_put_failure;
16183 nla_nest_end(msg, rekey_attr);
16185 genlmsg_end(msg, hdr);
16187 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16188 NL80211_MCGRP_MLME, gfp);
16195 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
16196 const u8 *replay_ctr, gfp_t gfp)
16198 struct wireless_dev *wdev = dev->ieee80211_ptr;
16199 struct wiphy *wiphy = wdev->wiphy;
16200 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16202 trace_cfg80211_gtk_rekey_notify(dev, bssid);
16203 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
16205 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
16208 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
16209 struct net_device *netdev, int index,
16210 const u8 *bssid, bool preauth, gfp_t gfp)
16212 struct sk_buff *msg;
16213 struct nlattr *attr;
16216 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16220 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
16226 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16227 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16228 goto nla_put_failure;
16230 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
16232 goto nla_put_failure;
16234 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
16235 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
16237 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
16238 goto nla_put_failure;
16240 nla_nest_end(msg, attr);
16242 genlmsg_end(msg, hdr);
16244 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16245 NL80211_MCGRP_MLME, gfp);
16252 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
16253 const u8 *bssid, bool preauth, gfp_t gfp)
16255 struct wireless_dev *wdev = dev->ieee80211_ptr;
16256 struct wiphy *wiphy = wdev->wiphy;
16257 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16259 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
16260 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
16262 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
16264 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
16265 struct net_device *netdev,
16266 struct cfg80211_chan_def *chandef,
16268 enum nl80211_commands notif,
16271 struct sk_buff *msg;
16274 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16278 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
16284 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16285 goto nla_put_failure;
16287 if (nl80211_send_chandef(msg, chandef))
16288 goto nla_put_failure;
16290 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
16291 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
16292 goto nla_put_failure;
16294 genlmsg_end(msg, hdr);
16296 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16297 NL80211_MCGRP_MLME, gfp);
16304 void cfg80211_ch_switch_notify(struct net_device *dev,
16305 struct cfg80211_chan_def *chandef)
16307 struct wireless_dev *wdev = dev->ieee80211_ptr;
16308 struct wiphy *wiphy = wdev->wiphy;
16309 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16311 ASSERT_WDEV_LOCK(wdev);
16313 trace_cfg80211_ch_switch_notify(dev, chandef);
16315 wdev->chandef = *chandef;
16316 wdev->preset_chandef = *chandef;
16318 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
16319 wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
16320 !WARN_ON(!wdev->current_bss))
16321 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
16323 cfg80211_sched_dfs_chan_update(rdev);
16325 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16326 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
16328 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
16330 void cfg80211_ch_switch_started_notify(struct net_device *dev,
16331 struct cfg80211_chan_def *chandef,
16334 struct wireless_dev *wdev = dev->ieee80211_ptr;
16335 struct wiphy *wiphy = wdev->wiphy;
16336 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16338 trace_cfg80211_ch_switch_started_notify(dev, chandef);
16340 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16341 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
16343 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
16346 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
16347 const struct cfg80211_chan_def *chandef,
16348 enum nl80211_radar_event event,
16349 struct net_device *netdev, gfp_t gfp)
16351 struct sk_buff *msg;
16354 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16358 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
16364 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16365 goto nla_put_failure;
16367 /* NOP and radar events don't need a netdev parameter */
16369 struct wireless_dev *wdev = netdev->ieee80211_ptr;
16371 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16372 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16374 goto nla_put_failure;
16377 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
16378 goto nla_put_failure;
16380 if (nl80211_send_chandef(msg, chandef))
16381 goto nla_put_failure;
16383 genlmsg_end(msg, hdr);
16385 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16386 NL80211_MCGRP_MLME, gfp);
16393 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
16394 struct sta_opmode_info *sta_opmode,
16397 struct sk_buff *msg;
16398 struct wireless_dev *wdev = dev->ieee80211_ptr;
16399 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16405 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16409 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
16415 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16416 goto nla_put_failure;
16418 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16419 goto nla_put_failure;
16421 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16422 goto nla_put_failure;
16424 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
16425 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
16426 goto nla_put_failure;
16428 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
16429 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
16430 goto nla_put_failure;
16432 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
16433 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
16434 goto nla_put_failure;
16436 genlmsg_end(msg, hdr);
16438 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16439 NL80211_MCGRP_MLME, gfp);
16446 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
16448 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
16449 u64 cookie, bool acked, s32 ack_signal,
16450 bool is_valid_ack_signal, gfp_t gfp)
16452 struct wireless_dev *wdev = dev->ieee80211_ptr;
16453 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16454 struct sk_buff *msg;
16457 trace_cfg80211_probe_status(dev, addr, cookie, acked);
16459 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16464 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
16470 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16471 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16472 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16473 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16474 NL80211_ATTR_PAD) ||
16475 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
16476 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
16478 goto nla_put_failure;
16480 genlmsg_end(msg, hdr);
16482 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16483 NL80211_MCGRP_MLME, gfp);
16489 EXPORT_SYMBOL(cfg80211_probe_status);
16491 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
16492 const u8 *frame, size_t len,
16493 int freq, int sig_dbm)
16495 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16496 struct sk_buff *msg;
16498 struct cfg80211_beacon_registration *reg;
16500 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
16502 spin_lock_bh(&rdev->beacon_registrations_lock);
16503 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
16504 msg = nlmsg_new(len + 100, GFP_ATOMIC);
16506 spin_unlock_bh(&rdev->beacon_registrations_lock);
16510 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16512 goto nla_put_failure;
16514 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16516 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
16518 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16519 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
16520 goto nla_put_failure;
16522 genlmsg_end(msg, hdr);
16524 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
16526 spin_unlock_bh(&rdev->beacon_registrations_lock);
16530 spin_unlock_bh(&rdev->beacon_registrations_lock);
16533 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
16536 static int cfg80211_net_detect_results(struct sk_buff *msg,
16537 struct cfg80211_wowlan_wakeup *wakeup)
16539 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
16540 struct nlattr *nl_results, *nl_match, *nl_freqs;
16543 nl_results = nla_nest_start_noflag(msg,
16544 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
16548 for (i = 0; i < nd->n_matches; i++) {
16549 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
16551 nl_match = nla_nest_start_noflag(msg, i);
16555 /* The SSID attribute is optional in nl80211, but for
16556 * simplicity reasons it's always present in the
16557 * cfg80211 structure. If a driver can't pass the
16558 * SSID, that needs to be changed. A zero length SSID
16559 * is still a valid SSID (wildcard), so it cannot be
16560 * used for this purpose.
16562 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
16563 match->ssid.ssid)) {
16564 nla_nest_cancel(msg, nl_match);
16568 if (match->n_channels) {
16569 nl_freqs = nla_nest_start_noflag(msg,
16570 NL80211_ATTR_SCAN_FREQUENCIES);
16572 nla_nest_cancel(msg, nl_match);
16576 for (j = 0; j < match->n_channels; j++) {
16577 if (nla_put_u32(msg, j, match->channels[j])) {
16578 nla_nest_cancel(msg, nl_freqs);
16579 nla_nest_cancel(msg, nl_match);
16584 nla_nest_end(msg, nl_freqs);
16587 nla_nest_end(msg, nl_match);
16591 nla_nest_end(msg, nl_results);
16595 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
16596 struct cfg80211_wowlan_wakeup *wakeup,
16599 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16600 struct sk_buff *msg;
16604 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
16607 size += wakeup->packet_present_len;
16609 msg = nlmsg_new(size, gfp);
16613 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
16617 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16618 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16622 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16623 wdev->netdev->ifindex))
16627 struct nlattr *reasons;
16629 reasons = nla_nest_start_noflag(msg,
16630 NL80211_ATTR_WOWLAN_TRIGGERS);
16634 if (wakeup->disconnect &&
16635 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
16637 if (wakeup->magic_pkt &&
16638 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
16640 if (wakeup->gtk_rekey_failure &&
16641 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
16643 if (wakeup->eap_identity_req &&
16644 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
16646 if (wakeup->four_way_handshake &&
16647 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
16649 if (wakeup->rfkill_release &&
16650 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
16653 if (wakeup->pattern_idx >= 0 &&
16654 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
16655 wakeup->pattern_idx))
16658 if (wakeup->tcp_match &&
16659 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
16662 if (wakeup->tcp_connlost &&
16663 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
16666 if (wakeup->tcp_nomoretokens &&
16668 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
16671 if (wakeup->packet) {
16672 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
16673 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
16675 if (!wakeup->packet_80211) {
16677 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
16679 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
16682 if (wakeup->packet_len &&
16683 nla_put_u32(msg, len_attr, wakeup->packet_len))
16686 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
16691 if (wakeup->net_detect &&
16692 cfg80211_net_detect_results(msg, wakeup))
16695 nla_nest_end(msg, reasons);
16698 genlmsg_end(msg, hdr);
16700 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16701 NL80211_MCGRP_MLME, gfp);
16707 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
16710 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
16711 enum nl80211_tdls_operation oper,
16712 u16 reason_code, gfp_t gfp)
16714 struct wireless_dev *wdev = dev->ieee80211_ptr;
16715 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16716 struct sk_buff *msg;
16719 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
16722 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16726 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
16732 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16733 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16734 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
16735 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
16736 (reason_code > 0 &&
16737 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
16738 goto nla_put_failure;
16740 genlmsg_end(msg, hdr);
16742 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16743 NL80211_MCGRP_MLME, gfp);
16749 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
16751 static int nl80211_netlink_notify(struct notifier_block * nb,
16752 unsigned long state,
16755 struct netlink_notify *notify = _notify;
16756 struct cfg80211_registered_device *rdev;
16757 struct wireless_dev *wdev;
16758 struct cfg80211_beacon_registration *reg, *tmp;
16760 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
16761 return NOTIFY_DONE;
16765 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
16766 struct cfg80211_sched_scan_request *sched_scan_req;
16768 list_for_each_entry_rcu(sched_scan_req,
16769 &rdev->sched_scan_req_list,
16771 if (sched_scan_req->owner_nlportid == notify->portid) {
16772 sched_scan_req->nl_owner_dead = true;
16773 schedule_work(&rdev->sched_scan_stop_wk);
16777 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
16778 cfg80211_mlme_unregister_socket(wdev, notify->portid);
16780 if (wdev->owner_nlportid == notify->portid) {
16781 wdev->nl_owner_dead = true;
16782 schedule_work(&rdev->destroy_work);
16783 } else if (wdev->conn_owner_nlportid == notify->portid) {
16784 schedule_work(&wdev->disconnect_wk);
16787 cfg80211_release_pmsr(wdev, notify->portid);
16790 spin_lock_bh(&rdev->beacon_registrations_lock);
16791 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
16793 if (reg->nlportid == notify->portid) {
16794 list_del(®->list);
16799 spin_unlock_bh(&rdev->beacon_registrations_lock);
16805 * It is possible that the user space process that is controlling the
16806 * indoor setting disappeared, so notify the regulatory core.
16808 regulatory_netlink_notify(notify->portid);
16812 static struct notifier_block nl80211_netlink_notifier = {
16813 .notifier_call = nl80211_netlink_notify,
16816 void cfg80211_ft_event(struct net_device *netdev,
16817 struct cfg80211_ft_event_params *ft_event)
16819 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16820 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16821 struct sk_buff *msg;
16824 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
16826 if (!ft_event->target_ap)
16829 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
16834 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
16838 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16839 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16840 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
16843 if (ft_event->ies &&
16844 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
16846 if (ft_event->ric_ies &&
16847 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
16848 ft_event->ric_ies))
16851 genlmsg_end(msg, hdr);
16853 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16854 NL80211_MCGRP_MLME, GFP_KERNEL);
16859 EXPORT_SYMBOL(cfg80211_ft_event);
16861 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
16863 struct cfg80211_registered_device *rdev;
16864 struct sk_buff *msg;
16868 rdev = wiphy_to_rdev(wdev->wiphy);
16869 if (!rdev->crit_proto_nlportid)
16872 nlportid = rdev->crit_proto_nlportid;
16873 rdev->crit_proto_nlportid = 0;
16875 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16879 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
16881 goto nla_put_failure;
16883 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16884 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16886 goto nla_put_failure;
16888 genlmsg_end(msg, hdr);
16890 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16896 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
16898 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
16900 struct wiphy *wiphy = wdev->wiphy;
16901 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16902 struct sk_buff *msg;
16905 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16909 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
16913 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16914 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
16915 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16919 genlmsg_end(msg, hdr);
16921 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
16922 NL80211_MCGRP_MLME, GFP_KERNEL);
16928 int cfg80211_external_auth_request(struct net_device *dev,
16929 struct cfg80211_external_auth_params *params,
16932 struct wireless_dev *wdev = dev->ieee80211_ptr;
16933 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16934 struct sk_buff *msg;
16937 if (!wdev->conn_owner_nlportid)
16940 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16944 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
16946 goto nla_put_failure;
16948 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16949 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16950 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
16951 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
16953 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
16954 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
16955 params->ssid.ssid))
16956 goto nla_put_failure;
16958 genlmsg_end(msg, hdr);
16959 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
16960 wdev->conn_owner_nlportid);
16967 EXPORT_SYMBOL(cfg80211_external_auth_request);
16969 void cfg80211_update_owe_info_event(struct net_device *netdev,
16970 struct cfg80211_update_owe_info *owe_info,
16973 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16974 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16975 struct sk_buff *msg;
16978 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
16980 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16984 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
16986 goto nla_put_failure;
16988 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16989 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16990 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
16991 goto nla_put_failure;
16993 if (!owe_info->ie_len ||
16994 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
16995 goto nla_put_failure;
16997 genlmsg_end(msg, hdr);
16999 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17000 NL80211_MCGRP_MLME, gfp);
17004 genlmsg_cancel(msg, hdr);
17007 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
17009 /* initialisation/exit functions */
17011 int __init nl80211_init(void)
17015 err = genl_register_family(&nl80211_fam);
17019 err = netlink_register_notifier(&nl80211_netlink_notifier);
17025 genl_unregister_family(&nl80211_fam);
17029 void nl80211_exit(void)
17031 netlink_unregister_notifier(&nl80211_netlink_notifier);
17032 genl_unregister_family(&nl80211_fam);