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) 2018-2022 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 <linux/if_vlan.h>
24 #include <net/net_namespace.h>
25 #include <net/genetlink.h>
26 #include <net/cfg80211.h>
28 #include <net/inet_connection_sock.h>
34 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
35 struct genl_info *info,
36 struct cfg80211_crypto_settings *settings,
39 /* the netlink family */
40 static struct genl_family nl80211_fam;
42 /* multicast groups */
43 enum nl80211_multicast_groups {
46 NL80211_MCGRP_REGULATORY,
50 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
53 static const struct genl_multicast_group nl80211_mcgrps[] = {
54 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
55 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
56 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
57 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
58 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
59 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
60 #ifdef CONFIG_NL80211_TESTMODE
61 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
65 /* returns ERR_PTR values */
66 static struct wireless_dev *
67 __cfg80211_wdev_from_attrs(struct cfg80211_registered_device *rdev,
68 struct net *netns, struct nlattr **attrs)
70 struct wireless_dev *result = NULL;
71 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
72 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
77 if (!have_ifidx && !have_wdev_id)
78 return ERR_PTR(-EINVAL);
81 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
83 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
84 wiphy_idx = wdev_id >> 32;
88 struct wireless_dev *wdev;
90 lockdep_assert_held(&rdev->wiphy.mtx);
92 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
93 if (have_ifidx && wdev->netdev &&
94 wdev->netdev->ifindex == ifidx) {
98 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
104 return result ?: ERR_PTR(-ENODEV);
109 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
110 struct wireless_dev *wdev;
112 if (wiphy_net(&rdev->wiphy) != netns)
115 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
118 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
119 if (have_ifidx && wdev->netdev &&
120 wdev->netdev->ifindex == ifidx) {
124 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
136 return ERR_PTR(-ENODEV);
139 static struct cfg80211_registered_device *
140 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
142 struct cfg80211_registered_device *rdev = NULL, *tmp;
143 struct net_device *netdev;
147 if (!attrs[NL80211_ATTR_WIPHY] &&
148 !attrs[NL80211_ATTR_IFINDEX] &&
149 !attrs[NL80211_ATTR_WDEV])
150 return ERR_PTR(-EINVAL);
152 if (attrs[NL80211_ATTR_WIPHY])
153 rdev = cfg80211_rdev_by_wiphy_idx(
154 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
156 if (attrs[NL80211_ATTR_WDEV]) {
157 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
158 struct wireless_dev *wdev;
161 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
163 /* make sure wdev exists */
164 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
165 if (wdev->identifier != (u32)wdev_id)
174 if (rdev && tmp != rdev)
175 return ERR_PTR(-EINVAL);
180 if (attrs[NL80211_ATTR_IFINDEX]) {
181 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
183 netdev = __dev_get_by_index(netns, ifindex);
185 if (netdev->ieee80211_ptr)
187 netdev->ieee80211_ptr->wiphy);
191 /* not wireless device -- return error */
193 return ERR_PTR(-EINVAL);
195 /* mismatch -- return error */
196 if (rdev && tmp != rdev)
197 return ERR_PTR(-EINVAL);
204 return ERR_PTR(-ENODEV);
206 if (netns != wiphy_net(&rdev->wiphy))
207 return ERR_PTR(-ENODEV);
213 * This function returns a pointer to the driver
214 * that the genl_info item that is passed refers to.
216 * The result of this can be a PTR_ERR and hence must
217 * be checked with IS_ERR() for errors.
219 static struct cfg80211_registered_device *
220 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
222 return __cfg80211_rdev_from_attrs(netns, info->attrs);
225 static int validate_beacon_head(const struct nlattr *attr,
226 struct netlink_ext_ack *extack)
228 const u8 *data = nla_data(attr);
229 unsigned int len = nla_len(attr);
230 const struct element *elem;
231 const struct ieee80211_mgmt *mgmt = (void *)data;
232 unsigned int fixedlen, hdrlen;
235 if (len < offsetofend(typeof(*mgmt), frame_control))
238 s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control);
240 fixedlen = offsetof(struct ieee80211_ext,
241 u.s1g_beacon.variable);
242 hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon);
244 fixedlen = offsetof(struct ieee80211_mgmt,
246 hdrlen = offsetof(struct ieee80211_mgmt, u.beacon);
252 if (ieee80211_hdrlen(mgmt->frame_control) != hdrlen)
258 for_each_element(elem, data, len) {
262 if (for_each_element_completed(elem, data, len))
266 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
270 static int validate_ie_attr(const struct nlattr *attr,
271 struct netlink_ext_ack *extack)
273 const u8 *data = nla_data(attr);
274 unsigned int len = nla_len(attr);
275 const struct element *elem;
277 for_each_element(elem, data, len) {
281 if (for_each_element_completed(elem, data, len))
284 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
288 static int validate_he_capa(const struct nlattr *attr,
289 struct netlink_ext_ack *extack)
291 if (!ieee80211_he_capa_size_ok(nla_data(attr), nla_len(attr)))
297 /* policy for the attributes */
298 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
300 static const struct nla_policy
301 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
302 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
303 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
305 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
309 static const struct nla_policy
310 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
311 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
312 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
313 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
314 NLA_POLICY_MAX(NLA_U8, 15),
315 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
316 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
317 NLA_POLICY_MAX(NLA_U8, 15),
318 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
319 NLA_POLICY_MAX(NLA_U8, 31),
320 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
321 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
322 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
323 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
324 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
325 [NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK] = { .type = NLA_FLAG },
328 static const struct nla_policy
329 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
330 [NL80211_PMSR_TYPE_FTM] =
331 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
334 static const struct nla_policy
335 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
336 [NL80211_PMSR_REQ_ATTR_DATA] =
337 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
338 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
341 static const struct nla_policy
342 nl80211_pmsr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
343 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
344 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
345 [NL80211_PMSR_PEER_ATTR_REQ] =
346 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
347 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
350 static const struct nla_policy
351 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
352 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
353 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
354 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
355 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
356 [NL80211_PMSR_ATTR_PEERS] =
357 NLA_POLICY_NESTED_ARRAY(nl80211_pmsr_peer_attr_policy),
360 static const struct nla_policy
361 he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
362 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
363 NLA_POLICY_RANGE(NLA_U8, 1, 20),
364 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
365 NLA_POLICY_RANGE(NLA_U8, 1, 20),
366 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
367 NLA_POLICY_RANGE(NLA_U8, 1, 20),
368 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
369 NLA_POLICY_EXACT_LEN(8),
370 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
371 NLA_POLICY_EXACT_LEN(8),
372 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
375 static const struct nla_policy
376 he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
377 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
378 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
379 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
382 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
383 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
384 .len = NL80211_MAX_SUPP_RATES },
385 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
386 .len = NL80211_MAX_SUPP_HT_RATES },
387 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
388 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
389 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
390 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
391 NL80211_RATE_INFO_HE_GI_0_8,
392 NL80211_RATE_INFO_HE_GI_3_2),
393 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
394 NL80211_RATE_INFO_HE_1XLTF,
395 NL80211_RATE_INFO_HE_4XLTF),
398 static const struct nla_policy
399 nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
400 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
401 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
402 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
403 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
404 [NL80211_TID_CONFIG_ATTR_NOACK] =
405 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
406 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
407 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
408 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
409 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
410 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
411 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
412 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
413 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
414 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
415 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
416 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
417 NLA_POLICY_NESTED(nl80211_txattr_policy),
420 static const struct nla_policy
421 nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
422 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
423 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
424 [NL80211_FILS_DISCOVERY_ATTR_TMPL] =
425 NLA_POLICY_RANGE(NLA_BINARY,
426 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
427 IEEE80211_MAX_DATA_LEN),
430 static const struct nla_policy
431 nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
432 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
433 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
434 .len = IEEE80211_MAX_DATA_LEN }
437 static const struct nla_policy
438 sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = {
439 [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 },
440 [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 },
443 static const struct nla_policy
444 sar_policy[NL80211_SAR_ATTR_MAX + 1] = {
445 [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE),
446 [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy),
449 static const struct nla_policy
450 nl80211_mbssid_config_policy[NL80211_MBSSID_CONFIG_ATTR_MAX + 1] = {
451 [NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES] = NLA_POLICY_MIN(NLA_U8, 2),
452 [NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY] =
453 NLA_POLICY_MIN(NLA_U8, 1),
454 [NL80211_MBSSID_CONFIG_ATTR_INDEX] = { .type = NLA_U8 },
455 [NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX] = { .type = NLA_U32 },
456 [NL80211_MBSSID_CONFIG_ATTR_EMA] = { .type = NLA_FLAG },
459 static const struct nla_policy
460 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
461 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
462 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
465 static struct netlink_range_validation nl80211_punct_bitmap_range = {
470 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
471 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
472 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
473 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
475 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
477 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
478 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
479 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
480 NL80211_EDMG_CHANNELS_MIN,
481 NL80211_EDMG_CHANNELS_MAX),
482 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
483 NL80211_EDMG_BW_CONFIG_MIN,
484 NL80211_EDMG_BW_CONFIG_MAX),
486 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
487 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
488 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
489 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
491 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
492 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
493 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
494 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
495 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
496 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
498 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
499 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
500 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
502 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
503 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
505 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
506 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
507 .len = WLAN_MAX_KEY_LEN },
508 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
509 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
510 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
511 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
512 [NL80211_ATTR_KEY_TYPE] =
513 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
515 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
516 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
517 [NL80211_ATTR_BEACON_HEAD] =
518 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
519 IEEE80211_MAX_DATA_LEN),
520 [NL80211_ATTR_BEACON_TAIL] =
521 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
522 IEEE80211_MAX_DATA_LEN),
523 [NL80211_ATTR_STA_AID] =
524 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
525 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
526 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
527 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
528 .len = NL80211_MAX_SUPP_RATES },
529 [NL80211_ATTR_STA_PLINK_ACTION] =
530 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
531 [NL80211_ATTR_STA_TX_POWER_SETTING] =
532 NLA_POLICY_RANGE(NLA_U8,
533 NL80211_TX_POWER_AUTOMATIC,
534 NL80211_TX_POWER_FIXED),
535 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
536 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
537 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
538 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
539 .len = IEEE80211_MAX_MESH_ID_LEN },
540 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
542 /* allow 3 for NUL-termination, we used to declare this NLA_STRING */
543 [NL80211_ATTR_REG_ALPHA2] = NLA_POLICY_RANGE(NLA_BINARY, 2, 3),
544 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
546 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
547 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
548 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
549 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
550 .len = NL80211_MAX_SUPP_RATES },
551 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
553 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
554 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
556 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
558 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
559 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
561 IEEE80211_MAX_DATA_LEN),
562 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
563 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
565 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
566 .len = IEEE80211_MAX_SSID_LEN },
567 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
568 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
569 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
570 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
571 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
573 NL80211_MFP_OPTIONAL),
574 [NL80211_ATTR_STA_FLAGS2] =
575 NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_sta_flag_update)),
576 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
577 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
578 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
579 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
580 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
581 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
582 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
583 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
584 [NL80211_ATTR_PID] = { .type = NLA_U32 },
585 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
586 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
587 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
588 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
589 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
590 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
591 .len = IEEE80211_MAX_DATA_LEN },
592 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
593 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
596 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
597 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
598 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
599 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
600 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
601 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
602 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
603 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
604 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
605 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
606 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
607 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
608 [NL80211_ATTR_STA_PLINK_STATE] =
609 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
610 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
611 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
612 [NL80211_ATTR_MESH_PEER_AID] =
613 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
614 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
615 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
616 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
617 [NL80211_ATTR_HIDDEN_SSID] =
618 NLA_POLICY_RANGE(NLA_U32,
619 NL80211_HIDDEN_SSID_NOT_IN_USE,
620 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
621 [NL80211_ATTR_IE_PROBE_RESP] =
622 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
623 IEEE80211_MAX_DATA_LEN),
624 [NL80211_ATTR_IE_ASSOC_RESP] =
625 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
626 IEEE80211_MAX_DATA_LEN),
627 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
628 [NL80211_ATTR_STA_WME] = NLA_POLICY_NESTED(nl80211_sta_wme_policy),
629 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
630 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
631 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
632 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
633 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
634 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
635 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
636 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
637 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
638 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
639 .len = IEEE80211_MAX_DATA_LEN },
640 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
641 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
642 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
643 .len = NL80211_HT_CAPABILITY_LEN
645 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
646 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
647 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
648 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
649 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
651 /* need to include at least Auth Transaction and Status Code */
652 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
654 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
655 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
656 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
657 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
658 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
659 NLA_POLICY_RANGE(NLA_U32,
660 NL80211_MESH_POWER_UNKNOWN + 1,
661 NL80211_MESH_POWER_MAX),
662 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
663 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
664 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
665 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
666 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
667 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
668 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
669 .len = NL80211_VHT_CAPABILITY_LEN,
671 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
672 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
673 .len = IEEE80211_MAX_DATA_LEN },
674 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
675 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
676 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
677 [NL80211_ATTR_PEER_AID] =
678 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
679 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
680 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
681 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
682 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
683 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
684 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
686 * The value of the Length field of the Supported Operating
687 * Classes element is between 2 and 253.
689 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
690 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
691 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
692 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
693 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
694 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
695 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
696 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
697 IEEE80211_QOS_MAP_LEN_MIN,
698 IEEE80211_QOS_MAP_LEN_MAX),
699 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
700 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
701 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
702 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
703 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
704 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
705 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
706 [NL80211_ATTR_USER_PRIO] =
707 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
708 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
709 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
710 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
711 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
712 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
713 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
714 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
715 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
716 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
717 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
718 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
719 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
720 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
721 .len = VHT_MUMIMO_GROUPS_DATA_LEN
723 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
724 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
725 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
726 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
727 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
728 .len = FILS_MAX_KEK_LEN },
729 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
730 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
731 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
732 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
733 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
734 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
736 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
737 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
738 .len = FILS_ERP_MAX_USERNAME_LEN },
739 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
740 .len = FILS_ERP_MAX_REALM_LEN },
741 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
742 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
743 .len = FILS_ERP_MAX_RRK_LEN },
744 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
745 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
746 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
747 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
748 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
750 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
751 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
752 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
753 [NL80211_ATTR_HE_CAPABILITY] =
754 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_he_capa,
755 NL80211_HE_MAX_CAPABILITY_LEN),
756 [NL80211_ATTR_FTM_RESPONDER] =
757 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
758 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
759 [NL80211_ATTR_PEER_MEASUREMENTS] =
760 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
761 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
762 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
763 .len = SAE_PASSWORD_MAX_LEN },
764 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
765 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
766 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
767 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
768 [NL80211_ATTR_TID_CONFIG] =
769 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
770 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
771 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
772 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
773 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
774 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
775 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
776 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
777 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
778 [NL80211_ATTR_FILS_DISCOVERY] =
779 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
780 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
781 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
782 [NL80211_ATTR_S1G_CAPABILITY] =
783 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
784 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
785 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
786 [NL80211_ATTR_SAE_PWE] =
787 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
788 NL80211_SAE_PWE_BOTH),
789 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
790 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
791 [NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG },
792 [NL80211_ATTR_OBSS_COLOR_BITMAP] = { .type = NLA_U64 },
793 [NL80211_ATTR_COLOR_CHANGE_COUNT] = { .type = NLA_U8 },
794 [NL80211_ATTR_COLOR_CHANGE_COLOR] = { .type = NLA_U8 },
795 [NL80211_ATTR_COLOR_CHANGE_ELEMS] = NLA_POLICY_NESTED(nl80211_policy),
796 [NL80211_ATTR_MBSSID_CONFIG] =
797 NLA_POLICY_NESTED(nl80211_mbssid_config_policy),
798 [NL80211_ATTR_MBSSID_ELEMS] = { .type = NLA_NESTED },
799 [NL80211_ATTR_RADAR_BACKGROUND] = { .type = NLA_FLAG },
800 [NL80211_ATTR_AP_SETTINGS_FLAGS] = { .type = NLA_U32 },
801 [NL80211_ATTR_EHT_CAPABILITY] =
802 NLA_POLICY_RANGE(NLA_BINARY,
803 NL80211_EHT_MIN_CAPABILITY_LEN,
804 NL80211_EHT_MAX_CAPABILITY_LEN),
805 [NL80211_ATTR_DISABLE_EHT] = { .type = NLA_FLAG },
806 [NL80211_ATTR_MLO_LINKS] =
807 NLA_POLICY_NESTED_ARRAY(nl80211_policy),
808 [NL80211_ATTR_MLO_LINK_ID] =
809 NLA_POLICY_RANGE(NLA_U8, 0, IEEE80211_MLD_MAX_NUM_LINKS),
810 [NL80211_ATTR_MLD_ADDR] = NLA_POLICY_EXACT_LEN(ETH_ALEN),
811 [NL80211_ATTR_MLO_SUPPORT] = { .type = NLA_FLAG },
812 [NL80211_ATTR_MAX_NUM_AKM_SUITES] = { .type = NLA_REJECT },
813 [NL80211_ATTR_PUNCT_BITMAP] =
814 NLA_POLICY_FULL_RANGE(NLA_U32, &nl80211_punct_bitmap_range),
816 [NL80211_ATTR_MAX_HW_TIMESTAMP_PEERS] = { .type = NLA_U16 },
817 [NL80211_ATTR_HW_TIMESTAMP_ENABLED] = { .type = NLA_FLAG },
818 [NL80211_ATTR_EMA_RNR_ELEMS] = { .type = NLA_NESTED },
821 /* policy for the key attributes */
822 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
823 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
824 [NL80211_KEY_IDX] = { .type = NLA_U8 },
825 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
826 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
827 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
828 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
829 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
830 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
831 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
834 /* policy for the key default flags */
835 static const struct nla_policy
836 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
837 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
838 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
842 /* policy for WoWLAN attributes */
843 static const struct nla_policy
844 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
845 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
846 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
847 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
848 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
849 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
850 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
851 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
852 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
853 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
854 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
857 static const struct nla_policy
858 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
859 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
860 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
861 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
862 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
863 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
864 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
865 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
866 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
868 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
869 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
871 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
872 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
873 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
875 #endif /* CONFIG_PM */
877 /* policy for coalesce rule attributes */
878 static const struct nla_policy
879 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
880 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
881 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
882 NLA_POLICY_RANGE(NLA_U32,
883 NL80211_COALESCE_CONDITION_MATCH,
884 NL80211_COALESCE_CONDITION_NO_MATCH),
885 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
888 /* policy for GTK rekey offload attributes */
889 static const struct nla_policy
890 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
891 [NL80211_REKEY_DATA_KEK] = {
893 .len = NL80211_KEK_EXT_LEN
895 [NL80211_REKEY_DATA_KCK] = {
897 .len = NL80211_KCK_EXT_LEN_32
899 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
900 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
903 static const struct nla_policy
904 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
905 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
906 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
907 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
908 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
909 [NL80211_BAND_LC] = { .type = NLA_S32 },
912 static const struct nla_policy
913 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
914 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
915 .len = IEEE80211_MAX_SSID_LEN },
916 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
917 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
918 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
919 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
922 static const struct nla_policy
923 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
924 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
925 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
928 static const struct nla_policy
929 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
930 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
931 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
932 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
933 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
937 /* policy for NAN function attributes */
938 static const struct nla_policy
939 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
940 [NL80211_NAN_FUNC_TYPE] =
941 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
942 [NL80211_NAN_FUNC_SERVICE_ID] = {
943 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
944 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
945 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
946 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
947 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
948 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
949 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
950 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
951 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
952 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
953 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
954 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
955 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
956 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
957 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
958 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
961 /* policy for Service Response Filter attributes */
962 static const struct nla_policy
963 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
964 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
965 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
966 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
967 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
968 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
971 /* policy for packet pattern attributes */
972 static const struct nla_policy
973 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
974 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
975 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
976 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
979 static int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
980 struct cfg80211_registered_device **rdev,
981 struct wireless_dev **wdev,
982 struct nlattr **attrbuf)
987 struct nlattr **attrbuf_free = NULL;
990 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
994 attrbuf_free = attrbuf;
997 err = nlmsg_parse_deprecated(cb->nlh,
998 GENL_HDRLEN + nl80211_fam.hdrsize,
999 attrbuf, nl80211_fam.maxattr,
1000 nl80211_policy, NULL);
1002 kfree(attrbuf_free);
1007 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
1009 kfree(attrbuf_free);
1010 if (IS_ERR(*wdev)) {
1012 return PTR_ERR(*wdev);
1014 *rdev = wiphy_to_rdev((*wdev)->wiphy);
1015 mutex_lock(&(*rdev)->wiphy.mtx);
1017 /* 0 is the first index - add 1 to parse only once */
1018 cb->args[0] = (*rdev)->wiphy_idx + 1;
1019 cb->args[1] = (*wdev)->identifier;
1021 /* subtract the 1 again here */
1022 struct wiphy *wiphy;
1023 struct wireless_dev *tmp;
1026 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
1031 *rdev = wiphy_to_rdev(wiphy);
1034 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
1035 if (tmp->identifier == cb->args[1]) {
1045 mutex_lock(&(*rdev)->wiphy.mtx);
1052 /* message building helper */
1053 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
1056 /* since there is no private header just add the generic one */
1057 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
1060 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
1061 const struct ieee80211_reg_rule *rule)
1064 struct nlattr *nl_wmm_rules =
1065 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
1068 goto nla_put_failure;
1070 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
1071 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
1074 goto nla_put_failure;
1076 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
1077 rule->wmm_rule.client[j].cw_min) ||
1078 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
1079 rule->wmm_rule.client[j].cw_max) ||
1080 nla_put_u8(msg, NL80211_WMMR_AIFSN,
1081 rule->wmm_rule.client[j].aifsn) ||
1082 nla_put_u16(msg, NL80211_WMMR_TXOP,
1083 rule->wmm_rule.client[j].cot))
1084 goto nla_put_failure;
1086 nla_nest_end(msg, nl_wmm_rule);
1088 nla_nest_end(msg, nl_wmm_rules);
1096 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
1097 struct ieee80211_channel *chan,
1100 /* Some channels must be completely excluded from the
1101 * list to protect old user-space tools from breaking
1103 if (!large && chan->flags &
1104 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1106 if (!large && chan->freq_offset)
1109 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1111 goto nla_put_failure;
1113 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1114 goto nla_put_failure;
1116 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1117 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1118 goto nla_put_failure;
1119 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1120 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1121 goto nla_put_failure;
1122 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1123 goto nla_put_failure;
1125 if (chan->flags & IEEE80211_CHAN_RADAR) {
1126 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1127 goto nla_put_failure;
1131 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1133 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1135 goto nla_put_failure;
1136 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1138 goto nla_put_failure;
1139 if (nla_put_u32(msg,
1140 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1142 goto nla_put_failure;
1147 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1148 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1149 goto nla_put_failure;
1150 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1151 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1152 goto nla_put_failure;
1153 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1154 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1155 goto nla_put_failure;
1156 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1157 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1158 goto nla_put_failure;
1159 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1160 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1161 goto nla_put_failure;
1162 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1163 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
1164 goto nla_put_failure;
1165 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1166 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1167 goto nla_put_failure;
1168 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1169 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1170 goto nla_put_failure;
1171 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1172 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1173 goto nla_put_failure;
1174 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1175 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1176 goto nla_put_failure;
1177 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1178 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1179 goto nla_put_failure;
1180 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1181 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1182 goto nla_put_failure;
1183 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1184 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1185 goto nla_put_failure;
1186 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1187 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1188 goto nla_put_failure;
1189 if ((chan->flags & IEEE80211_CHAN_NO_320MHZ) &&
1190 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_320MHZ))
1191 goto nla_put_failure;
1192 if ((chan->flags & IEEE80211_CHAN_NO_EHT) &&
1193 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_EHT))
1194 goto nla_put_failure;
1197 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1198 DBM_TO_MBM(chan->max_power)))
1199 goto nla_put_failure;
1202 const struct ieee80211_reg_rule *rule =
1203 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
1205 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
1206 if (nl80211_msg_put_wmm_rules(msg, rule))
1207 goto nla_put_failure;
1217 static bool nl80211_put_txq_stats(struct sk_buff *msg,
1218 struct cfg80211_txq_stats *txqstats,
1221 struct nlattr *txqattr;
1223 #define PUT_TXQVAL_U32(attr, memb) do { \
1224 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1225 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1229 txqattr = nla_nest_start_noflag(msg, attrtype);
1233 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1234 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1235 PUT_TXQVAL_U32(FLOWS, flows);
1236 PUT_TXQVAL_U32(DROPS, drops);
1237 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1238 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1239 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1240 PUT_TXQVAL_U32(COLLISIONS, collisions);
1241 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1242 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1243 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1244 nla_nest_end(msg, txqattr);
1246 #undef PUT_TXQVAL_U32
1250 /* netlink command implementations */
1253 * nl80211_link_id - return link ID
1254 * @attrs: attributes to look at
1256 * Returns: the link ID or 0 if not given
1258 * Note this function doesn't do any validation of the link
1259 * ID validity wrt. links that were actually added, so it must
1260 * be called only from ops with %NL80211_FLAG_MLO_VALID_LINK_ID
1261 * or if additional validation is done.
1263 static unsigned int nl80211_link_id(struct nlattr **attrs)
1265 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1270 return nla_get_u8(linkid);
1273 static int nl80211_link_id_or_invalid(struct nlattr **attrs)
1275 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1280 return nla_get_u8(linkid);
1284 struct key_params p;
1287 bool def, defmgmt, defbeacon;
1288 bool def_uni, def_multi;
1291 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1292 struct key_parse *k)
1294 struct nlattr *tb[NL80211_KEY_MAX + 1];
1295 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1301 k->def = !!tb[NL80211_KEY_DEFAULT];
1302 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1303 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
1307 k->def_multi = true;
1309 if (k->defmgmt || k->defbeacon)
1310 k->def_multi = true;
1312 if (tb[NL80211_KEY_IDX])
1313 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1315 if (tb[NL80211_KEY_DATA]) {
1316 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1317 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1320 if (tb[NL80211_KEY_SEQ]) {
1321 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1322 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1325 if (tb[NL80211_KEY_CIPHER])
1326 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1328 if (tb[NL80211_KEY_TYPE])
1329 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1331 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1332 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1334 err = nla_parse_nested_deprecated(kdt,
1335 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1336 tb[NL80211_KEY_DEFAULT_TYPES],
1337 nl80211_key_default_policy,
1342 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1343 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1346 if (tb[NL80211_KEY_MODE])
1347 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1352 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1354 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1355 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1356 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1359 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1360 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1361 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1364 if (info->attrs[NL80211_ATTR_KEY_IDX])
1365 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1367 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1368 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1370 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1371 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1375 k->def_multi = true;
1378 k->def_multi = true;
1380 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1381 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1383 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1384 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1385 int err = nla_parse_nested_deprecated(kdt,
1386 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1387 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1388 nl80211_key_default_policy,
1393 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1394 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1400 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1404 memset(k, 0, sizeof(*k));
1408 if (info->attrs[NL80211_ATTR_KEY])
1409 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1411 err = nl80211_parse_key_old(info, k);
1416 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1417 (k->defbeacon ? 1 : 0) > 1) {
1418 GENL_SET_ERR_MSG(info,
1419 "key with multiple default flags is invalid");
1423 if (k->defmgmt || k->defbeacon) {
1424 if (k->def_uni || !k->def_multi) {
1425 GENL_SET_ERR_MSG(info,
1426 "defmgmt/defbeacon key must be mcast");
1433 if (k->idx < 4 || k->idx > 5) {
1434 GENL_SET_ERR_MSG(info,
1435 "defmgmt key idx not 4 or 5");
1438 } else if (k->defbeacon) {
1439 if (k->idx < 6 || k->idx > 7) {
1440 GENL_SET_ERR_MSG(info,
1441 "defbeacon key idx not 6 or 7");
1444 } else if (k->def) {
1445 if (k->idx < 0 || k->idx > 3) {
1446 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1450 if (k->idx < 0 || k->idx > 7) {
1451 GENL_SET_ERR_MSG(info, "key idx not 0-7");
1460 static struct cfg80211_cached_keys *
1461 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1462 struct genl_info *info, bool *no_ht)
1464 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1465 struct key_parse parse;
1467 struct cfg80211_cached_keys *result;
1468 int rem, err, def = 0;
1469 bool have_key = false;
1471 nla_for_each_nested(key, keys, rem) {
1479 result = kzalloc(sizeof(*result), GFP_KERNEL);
1481 return ERR_PTR(-ENOMEM);
1485 nla_for_each_nested(key, keys, rem) {
1486 memset(&parse, 0, sizeof(parse));
1489 err = nl80211_parse_key_new(info, key, &parse);
1495 if (parse.idx < 0 || parse.idx > 3) {
1496 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1501 GENL_SET_ERR_MSG(info,
1502 "only one key can be default");
1506 result->def = parse.idx;
1507 if (!parse.def_uni || !parse.def_multi)
1509 } else if (parse.defmgmt)
1511 err = cfg80211_validate_key_settings(rdev, &parse.p,
1512 parse.idx, false, NULL);
1515 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1516 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1517 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1521 result->params[parse.idx].cipher = parse.p.cipher;
1522 result->params[parse.idx].key_len = parse.p.key_len;
1523 result->params[parse.idx].key = result->data[parse.idx];
1524 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1526 /* must be WEP key if we got here */
1531 if (result->def < 0) {
1533 GENL_SET_ERR_MSG(info, "need a default/TX key");
1540 return ERR_PTR(err);
1543 static int nl80211_key_allowed(struct wireless_dev *wdev)
1545 ASSERT_WDEV_LOCK(wdev);
1547 switch (wdev->iftype) {
1548 case NL80211_IFTYPE_AP:
1549 case NL80211_IFTYPE_AP_VLAN:
1550 case NL80211_IFTYPE_P2P_GO:
1551 case NL80211_IFTYPE_MESH_POINT:
1553 case NL80211_IFTYPE_ADHOC:
1554 if (wdev->u.ibss.current_bss)
1557 case NL80211_IFTYPE_STATION:
1558 case NL80211_IFTYPE_P2P_CLIENT:
1559 if (wdev->connected)
1562 case NL80211_IFTYPE_NAN:
1563 if (wiphy_ext_feature_isset(wdev->wiphy,
1564 NL80211_EXT_FEATURE_SECURE_NAN))
1567 case NL80211_IFTYPE_UNSPECIFIED:
1568 case NL80211_IFTYPE_OCB:
1569 case NL80211_IFTYPE_MONITOR:
1570 case NL80211_IFTYPE_P2P_DEVICE:
1571 case NL80211_IFTYPE_WDS:
1572 case NUM_NL80211_IFTYPES:
1579 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1582 struct ieee80211_channel *chan;
1584 chan = ieee80211_get_channel_khz(wiphy, freq);
1585 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1590 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1592 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1596 goto nla_put_failure;
1600 if ((ifmodes & 1) && nla_put_flag(msg, i))
1601 goto nla_put_failure;
1606 nla_nest_end(msg, nl_modes);
1613 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1614 struct sk_buff *msg,
1617 struct nlattr *nl_combis;
1620 nl_combis = nla_nest_start_noflag(msg,
1621 NL80211_ATTR_INTERFACE_COMBINATIONS);
1623 goto nla_put_failure;
1625 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1626 const struct ieee80211_iface_combination *c;
1627 struct nlattr *nl_combi, *nl_limits;
1629 c = &wiphy->iface_combinations[i];
1631 nl_combi = nla_nest_start_noflag(msg, i + 1);
1633 goto nla_put_failure;
1635 nl_limits = nla_nest_start_noflag(msg,
1636 NL80211_IFACE_COMB_LIMITS);
1638 goto nla_put_failure;
1640 for (j = 0; j < c->n_limits; j++) {
1641 struct nlattr *nl_limit;
1643 nl_limit = nla_nest_start_noflag(msg, j + 1);
1645 goto nla_put_failure;
1646 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1648 goto nla_put_failure;
1649 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1650 c->limits[j].types))
1651 goto nla_put_failure;
1652 nla_nest_end(msg, nl_limit);
1655 nla_nest_end(msg, nl_limits);
1657 if (c->beacon_int_infra_match &&
1658 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1659 goto nla_put_failure;
1660 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1661 c->num_different_channels) ||
1662 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1664 goto nla_put_failure;
1666 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1667 c->radar_detect_widths) ||
1668 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1669 c->radar_detect_regions)))
1670 goto nla_put_failure;
1671 if (c->beacon_int_min_gcd &&
1672 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1673 c->beacon_int_min_gcd))
1674 goto nla_put_failure;
1676 nla_nest_end(msg, nl_combi);
1679 nla_nest_end(msg, nl_combis);
1687 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1688 struct sk_buff *msg)
1690 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1691 struct nlattr *nl_tcp;
1696 nl_tcp = nla_nest_start_noflag(msg,
1697 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1701 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1702 tcp->data_payload_max))
1705 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1706 tcp->data_payload_max))
1709 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1712 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1713 sizeof(*tcp->tok), tcp->tok))
1716 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1717 tcp->data_interval_max))
1720 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1721 tcp->wake_payload_max))
1724 nla_nest_end(msg, nl_tcp);
1728 static int nl80211_send_wowlan(struct sk_buff *msg,
1729 struct cfg80211_registered_device *rdev,
1732 struct nlattr *nl_wowlan;
1734 if (!rdev->wiphy.wowlan)
1737 nl_wowlan = nla_nest_start_noflag(msg,
1738 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1742 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1743 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1744 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1745 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1746 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1747 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1748 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1749 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1750 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1751 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1752 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1753 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1754 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1755 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1756 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1757 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1760 if (rdev->wiphy.wowlan->n_patterns) {
1761 struct nl80211_pattern_support pat = {
1762 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1763 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1764 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1765 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1768 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1773 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1774 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1775 rdev->wiphy.wowlan->max_nd_match_sets))
1778 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1781 nla_nest_end(msg, nl_wowlan);
1787 static int nl80211_send_coalesce(struct sk_buff *msg,
1788 struct cfg80211_registered_device *rdev)
1790 struct nl80211_coalesce_rule_support rule;
1792 if (!rdev->wiphy.coalesce)
1795 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1796 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1797 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1798 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1799 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1800 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1802 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1809 nl80211_send_iftype_data(struct sk_buff *msg,
1810 const struct ieee80211_supported_band *sband,
1811 const struct ieee80211_sband_iftype_data *iftdata)
1813 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1814 const struct ieee80211_sta_eht_cap *eht_cap = &iftdata->eht_cap;
1816 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1817 iftdata->types_mask))
1820 if (he_cap->has_he) {
1821 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1822 sizeof(he_cap->he_cap_elem.mac_cap_info),
1823 he_cap->he_cap_elem.mac_cap_info) ||
1824 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1825 sizeof(he_cap->he_cap_elem.phy_cap_info),
1826 he_cap->he_cap_elem.phy_cap_info) ||
1827 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1828 sizeof(he_cap->he_mcs_nss_supp),
1829 &he_cap->he_mcs_nss_supp) ||
1830 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1831 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1835 if (eht_cap->has_eht && he_cap->has_he) {
1836 u8 mcs_nss_size, ppe_thresh_size;
1840 is_ap = iftdata->types_mask & BIT(NL80211_IFTYPE_AP) ||
1841 iftdata->types_mask & BIT(NL80211_IFTYPE_P2P_GO);
1844 ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
1845 &eht_cap->eht_cap_elem,
1848 ppe_thres_hdr = get_unaligned_le16(&eht_cap->eht_ppe_thres[0]);
1850 ieee80211_eht_ppe_size(ppe_thres_hdr,
1851 eht_cap->eht_cap_elem.phy_cap_info);
1853 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC,
1854 sizeof(eht_cap->eht_cap_elem.mac_cap_info),
1855 eht_cap->eht_cap_elem.mac_cap_info) ||
1856 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY,
1857 sizeof(eht_cap->eht_cap_elem.phy_cap_info),
1858 eht_cap->eht_cap_elem.phy_cap_info) ||
1859 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET,
1860 mcs_nss_size, &eht_cap->eht_mcs_nss_supp) ||
1861 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE,
1862 ppe_thresh_size, eht_cap->eht_ppe_thres))
1866 if (sband->band == NL80211_BAND_6GHZ &&
1867 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1868 sizeof(iftdata->he_6ghz_capa),
1869 &iftdata->he_6ghz_capa))
1872 if (iftdata->vendor_elems.data && iftdata->vendor_elems.len &&
1873 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_VENDOR_ELEMS,
1874 iftdata->vendor_elems.len, iftdata->vendor_elems.data))
1880 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1881 struct ieee80211_supported_band *sband,
1884 struct nlattr *nl_rates, *nl_rate;
1885 struct ieee80211_rate *rate;
1889 if (sband->ht_cap.ht_supported &&
1890 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1891 sizeof(sband->ht_cap.mcs),
1892 &sband->ht_cap.mcs) ||
1893 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1894 sband->ht_cap.cap) ||
1895 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1896 sband->ht_cap.ampdu_factor) ||
1897 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1898 sband->ht_cap.ampdu_density)))
1902 if (sband->vht_cap.vht_supported &&
1903 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1904 sizeof(sband->vht_cap.vht_mcs),
1905 &sband->vht_cap.vht_mcs) ||
1906 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1907 sband->vht_cap.cap)))
1910 if (large && sband->n_iftype_data) {
1911 struct nlattr *nl_iftype_data =
1912 nla_nest_start_noflag(msg,
1913 NL80211_BAND_ATTR_IFTYPE_DATA);
1916 if (!nl_iftype_data)
1919 for (i = 0; i < sband->n_iftype_data; i++) {
1920 struct nlattr *iftdata;
1922 iftdata = nla_nest_start_noflag(msg, i + 1);
1926 err = nl80211_send_iftype_data(msg, sband,
1927 &sband->iftype_data[i]);
1931 nla_nest_end(msg, iftdata);
1934 nla_nest_end(msg, nl_iftype_data);
1938 if (large && sband->edmg_cap.channels &&
1939 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1940 sband->edmg_cap.channels) ||
1941 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1942 sband->edmg_cap.bw_config)))
1947 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1951 for (i = 0; i < sband->n_bitrates; i++) {
1952 nl_rate = nla_nest_start_noflag(msg, i);
1956 rate = &sband->bitrates[i];
1957 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1960 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1962 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1965 nla_nest_end(msg, nl_rate);
1968 nla_nest_end(msg, nl_rates);
1970 /* S1G capabilities */
1971 if (sband->band == NL80211_BAND_S1GHZ && sband->s1g_cap.s1g &&
1972 (nla_put(msg, NL80211_BAND_ATTR_S1G_CAPA,
1973 sizeof(sband->s1g_cap.cap),
1974 sband->s1g_cap.cap) ||
1975 nla_put(msg, NL80211_BAND_ATTR_S1G_MCS_NSS_SET,
1976 sizeof(sband->s1g_cap.nss_mcs),
1977 sband->s1g_cap.nss_mcs)))
1984 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1985 const struct ieee80211_txrx_stypes *mgmt_stypes)
1988 struct nlattr *nl_ftypes, *nl_ifs;
1989 enum nl80211_iftype ift;
1995 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1999 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
2000 nl_ftypes = nla_nest_start_noflag(msg, ift);
2004 stypes = mgmt_stypes[ift].tx;
2007 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
2008 (i << 4) | IEEE80211_FTYPE_MGMT))
2013 nla_nest_end(msg, nl_ftypes);
2016 nla_nest_end(msg, nl_ifs);
2018 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
2022 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
2023 nl_ftypes = nla_nest_start_noflag(msg, ift);
2027 stypes = mgmt_stypes[ift].rx;
2030 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
2031 (i << 4) | IEEE80211_FTYPE_MGMT))
2036 nla_nest_end(msg, nl_ftypes);
2038 nla_nest_end(msg, nl_ifs);
2043 #define CMD(op, n) \
2045 if (rdev->ops->op) { \
2047 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
2048 goto nla_put_failure; \
2052 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
2053 struct sk_buff *msg)
2058 * do *NOT* add anything into this function, new things need to be
2059 * advertised only to new versions of userspace that can deal with
2060 * the split (and they can't possibly care about new features...
2062 CMD(add_virtual_intf, NEW_INTERFACE);
2063 CMD(change_virtual_intf, SET_INTERFACE);
2064 CMD(add_key, NEW_KEY);
2065 CMD(start_ap, START_AP);
2066 CMD(add_station, NEW_STATION);
2067 CMD(add_mpath, NEW_MPATH);
2068 CMD(update_mesh_config, SET_MESH_CONFIG);
2069 CMD(change_bss, SET_BSS);
2070 CMD(auth, AUTHENTICATE);
2071 CMD(assoc, ASSOCIATE);
2072 CMD(deauth, DEAUTHENTICATE);
2073 CMD(disassoc, DISASSOCIATE);
2074 CMD(join_ibss, JOIN_IBSS);
2075 CMD(join_mesh, JOIN_MESH);
2076 CMD(set_pmksa, SET_PMKSA);
2077 CMD(del_pmksa, DEL_PMKSA);
2078 CMD(flush_pmksa, FLUSH_PMKSA);
2079 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
2080 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
2081 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
2082 CMD(mgmt_tx, FRAME);
2083 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
2084 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
2086 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
2087 goto nla_put_failure;
2089 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
2090 rdev->ops->join_mesh) {
2092 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
2093 goto nla_put_failure;
2095 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
2096 CMD(tdls_mgmt, TDLS_MGMT);
2097 CMD(tdls_oper, TDLS_OPER);
2099 if (rdev->wiphy.max_sched_scan_reqs)
2100 CMD(sched_scan_start, START_SCHED_SCAN);
2101 CMD(probe_client, PROBE_CLIENT);
2102 CMD(set_noack_map, SET_NOACK_MAP);
2103 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
2105 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
2106 goto nla_put_failure;
2108 CMD(start_p2p_device, START_P2P_DEVICE);
2109 CMD(set_mcast_rate, SET_MCAST_RATE);
2110 #ifdef CONFIG_NL80211_TESTMODE
2111 CMD(testmode_cmd, TESTMODE);
2114 if (rdev->ops->connect || rdev->ops->auth) {
2116 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
2117 goto nla_put_failure;
2120 if (rdev->ops->disconnect || rdev->ops->deauth) {
2122 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
2123 goto nla_put_failure;
2132 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
2133 struct sk_buff *msg)
2137 if (!cap->ftm.supported)
2140 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
2144 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
2146 if (cap->ftm.non_asap &&
2147 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
2149 if (cap->ftm.request_lci &&
2150 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
2152 if (cap->ftm.request_civicloc &&
2153 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
2155 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
2156 cap->ftm.preambles))
2158 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2159 cap->ftm.bandwidths))
2161 if (cap->ftm.max_bursts_exponent >= 0 &&
2162 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2163 cap->ftm.max_bursts_exponent))
2165 if (cap->ftm.max_ftms_per_burst &&
2166 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2167 cap->ftm.max_ftms_per_burst))
2169 if (cap->ftm.trigger_based &&
2170 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2172 if (cap->ftm.non_trigger_based &&
2173 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2176 nla_nest_end(msg, ftm);
2180 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2181 struct sk_buff *msg)
2183 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2184 struct nlattr *pmsr, *caps;
2190 * we don't need to clean up anything here since the caller
2191 * will genlmsg_cancel() if we fail
2194 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
2198 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2201 if (cap->report_ap_tsf &&
2202 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2205 if (cap->randomize_mac_addr &&
2206 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2209 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
2213 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2216 nla_nest_end(msg, caps);
2217 nla_nest_end(msg, pmsr);
2223 nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2224 struct sk_buff *msg)
2227 struct nlattr *nested, *nested_akms;
2228 const struct wiphy_iftype_akm_suites *iftype_akms;
2230 if (!rdev->wiphy.num_iftype_akm_suites ||
2231 !rdev->wiphy.iftype_akm_suites)
2234 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2238 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2239 nested_akms = nla_nest_start(msg, i + 1);
2243 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2245 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2246 iftype_akms->iftypes_mask))
2249 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2250 sizeof(u32) * iftype_akms->n_akm_suites,
2251 iftype_akms->akm_suites)) {
2254 nla_nest_end(msg, nested_akms);
2257 nla_nest_end(msg, nested);
2263 nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2264 struct sk_buff *msg)
2266 struct nlattr *supp;
2268 if (!rdev->wiphy.tid_config_support.vif &&
2269 !rdev->wiphy.tid_config_support.peer)
2272 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2276 if (rdev->wiphy.tid_config_support.vif &&
2277 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2278 rdev->wiphy.tid_config_support.vif,
2279 NL80211_TID_CONFIG_ATTR_PAD))
2282 if (rdev->wiphy.tid_config_support.peer &&
2283 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2284 rdev->wiphy.tid_config_support.peer,
2285 NL80211_TID_CONFIG_ATTR_PAD))
2288 /* for now we just use the same value ... makes more sense */
2289 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2290 rdev->wiphy.tid_config_support.max_retry))
2292 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2293 rdev->wiphy.tid_config_support.max_retry))
2296 nla_nest_end(msg, supp);
2300 nla_nest_cancel(msg, supp);
2305 nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2306 struct sk_buff *msg)
2308 struct nlattr *sar_capa, *specs, *sub_freq_range;
2312 if (!rdev->wiphy.sar_capa)
2315 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2317 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2321 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2324 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2328 /* report supported freq_ranges */
2329 for (i = 0; i < num_freq_ranges; i++) {
2330 sub_freq_range = nla_nest_start(msg, i + 1);
2331 if (!sub_freq_range)
2334 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2335 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2338 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2339 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2342 nla_nest_end(msg, sub_freq_range);
2345 nla_nest_end(msg, specs);
2346 nla_nest_end(msg, sar_capa);
2350 nla_nest_cancel(msg, sar_capa);
2354 static int nl80211_put_mbssid_support(struct wiphy *wiphy, struct sk_buff *msg)
2356 struct nlattr *config;
2358 if (!wiphy->mbssid_max_interfaces)
2361 config = nla_nest_start(msg, NL80211_ATTR_MBSSID_CONFIG);
2365 if (nla_put_u8(msg, NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES,
2366 wiphy->mbssid_max_interfaces))
2369 if (wiphy->ema_max_profile_periodicity &&
2371 NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY,
2372 wiphy->ema_max_profile_periodicity))
2375 nla_nest_end(msg, config);
2379 nla_nest_cancel(msg, config);
2383 struct nl80211_dump_wiphy_state {
2386 long split_start, band_start, chan_start, capa_start;
2390 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
2391 enum nl80211_commands cmd,
2392 struct sk_buff *msg, u32 portid, u32 seq,
2393 int flags, struct nl80211_dump_wiphy_state *state)
2396 struct nlattr *nl_bands, *nl_band;
2397 struct nlattr *nl_freqs, *nl_freq;
2398 struct nlattr *nl_cmds;
2399 enum nl80211_band band;
2400 struct ieee80211_channel *chan;
2402 const struct ieee80211_txrx_stypes *mgmt_stypes =
2403 rdev->wiphy.mgmt_stypes;
2406 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2410 if (WARN_ON(!state))
2413 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2414 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
2415 wiphy_name(&rdev->wiphy)) ||
2416 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2417 cfg80211_rdev_list_generation))
2418 goto nla_put_failure;
2420 if (cmd != NL80211_CMD_NEW_WIPHY)
2423 switch (state->split_start) {
2425 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
2426 rdev->wiphy.retry_short) ||
2427 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
2428 rdev->wiphy.retry_long) ||
2429 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
2430 rdev->wiphy.frag_threshold) ||
2431 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
2432 rdev->wiphy.rts_threshold) ||
2433 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
2434 rdev->wiphy.coverage_class) ||
2435 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
2436 rdev->wiphy.max_scan_ssids) ||
2437 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
2438 rdev->wiphy.max_sched_scan_ssids) ||
2439 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
2440 rdev->wiphy.max_scan_ie_len) ||
2441 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
2442 rdev->wiphy.max_sched_scan_ie_len) ||
2443 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
2444 rdev->wiphy.max_match_sets))
2445 goto nla_put_failure;
2447 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
2448 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
2449 goto nla_put_failure;
2450 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
2451 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2452 goto nla_put_failure;
2453 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2454 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2455 goto nla_put_failure;
2456 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
2457 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2458 goto nla_put_failure;
2459 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2460 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2461 goto nla_put_failure;
2462 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
2463 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
2464 goto nla_put_failure;
2465 state->split_start++;
2470 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
2471 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2472 rdev->wiphy.cipher_suites))
2473 goto nla_put_failure;
2475 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
2476 rdev->wiphy.max_num_pmkids))
2477 goto nla_put_failure;
2479 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
2480 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
2481 goto nla_put_failure;
2483 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
2484 rdev->wiphy.available_antennas_tx) ||
2485 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2486 rdev->wiphy.available_antennas_rx))
2487 goto nla_put_failure;
2489 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2490 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2491 rdev->wiphy.probe_resp_offload))
2492 goto nla_put_failure;
2494 if ((rdev->wiphy.available_antennas_tx ||
2495 rdev->wiphy.available_antennas_rx) &&
2496 rdev->ops->get_antenna) {
2497 u32 tx_ant = 0, rx_ant = 0;
2500 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2502 if (nla_put_u32(msg,
2503 NL80211_ATTR_WIPHY_ANTENNA_TX,
2506 NL80211_ATTR_WIPHY_ANTENNA_RX,
2508 goto nla_put_failure;
2512 state->split_start++;
2517 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2518 rdev->wiphy.interface_modes))
2519 goto nla_put_failure;
2520 state->split_start++;
2525 nl_bands = nla_nest_start_noflag(msg,
2526 NL80211_ATTR_WIPHY_BANDS);
2528 goto nla_put_failure;
2530 for (band = state->band_start;
2531 band < (state->split ?
2533 NL80211_BAND_60GHZ + 1);
2535 struct ieee80211_supported_band *sband;
2537 /* omit higher bands for ancient software */
2538 if (band > NL80211_BAND_5GHZ && !state->split)
2541 sband = rdev->wiphy.bands[band];
2546 nl_band = nla_nest_start_noflag(msg, band);
2548 goto nla_put_failure;
2550 switch (state->chan_start) {
2552 if (nl80211_send_band_rateinfo(msg, sband,
2554 goto nla_put_failure;
2555 state->chan_start++;
2560 /* add frequencies */
2561 nl_freqs = nla_nest_start_noflag(msg,
2562 NL80211_BAND_ATTR_FREQS);
2564 goto nla_put_failure;
2566 for (i = state->chan_start - 1;
2567 i < sband->n_channels;
2569 nl_freq = nla_nest_start_noflag(msg,
2572 goto nla_put_failure;
2574 chan = &sband->channels[i];
2576 if (nl80211_msg_put_channel(
2577 msg, &rdev->wiphy, chan,
2579 goto nla_put_failure;
2581 nla_nest_end(msg, nl_freq);
2585 if (i < sband->n_channels)
2586 state->chan_start = i + 2;
2588 state->chan_start = 0;
2589 nla_nest_end(msg, nl_freqs);
2592 nla_nest_end(msg, nl_band);
2595 /* start again here */
2596 if (state->chan_start)
2601 nla_nest_end(msg, nl_bands);
2603 if (band < NUM_NL80211_BANDS)
2604 state->band_start = band + 1;
2606 state->band_start = 0;
2608 /* if bands & channels are done, continue outside */
2609 if (state->band_start == 0 && state->chan_start == 0)
2610 state->split_start++;
2615 nl_cmds = nla_nest_start_noflag(msg,
2616 NL80211_ATTR_SUPPORTED_COMMANDS);
2618 goto nla_put_failure;
2620 i = nl80211_add_commands_unsplit(rdev, msg);
2622 goto nla_put_failure;
2624 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2625 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2626 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2627 CMD(channel_switch, CHANNEL_SWITCH);
2628 CMD(set_qos_map, SET_QOS_MAP);
2629 if (rdev->wiphy.features &
2630 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2631 CMD(add_tx_ts, ADD_TX_TS);
2632 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2633 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2634 CMD(update_ft_ies, UPDATE_FT_IES);
2635 if (rdev->wiphy.sar_capa)
2636 CMD(set_sar_specs, SET_SAR_SPECS);
2640 nla_nest_end(msg, nl_cmds);
2641 state->split_start++;
2646 if (rdev->ops->remain_on_channel &&
2647 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2649 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2650 rdev->wiphy.max_remain_on_channel_duration))
2651 goto nla_put_failure;
2653 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2654 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2655 goto nla_put_failure;
2657 state->split_start++;
2663 if (nl80211_send_wowlan(msg, rdev, state->split))
2664 goto nla_put_failure;
2665 state->split_start++;
2669 state->split_start++;
2673 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2674 rdev->wiphy.software_iftypes))
2675 goto nla_put_failure;
2677 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2679 goto nla_put_failure;
2681 state->split_start++;
2686 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2687 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2688 rdev->wiphy.ap_sme_capa))
2689 goto nla_put_failure;
2691 features = rdev->wiphy.features;
2693 * We can only add the per-channel limit information if the
2694 * dump is split, otherwise it makes it too big. Therefore
2695 * only advertise it in that case.
2698 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2699 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2700 goto nla_put_failure;
2702 if (rdev->wiphy.ht_capa_mod_mask &&
2703 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2704 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2705 rdev->wiphy.ht_capa_mod_mask))
2706 goto nla_put_failure;
2708 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2709 rdev->wiphy.max_acl_mac_addrs &&
2710 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2711 rdev->wiphy.max_acl_mac_addrs))
2712 goto nla_put_failure;
2715 * Any information below this point is only available to
2716 * applications that can deal with it being split. This
2717 * helps ensure that newly added capabilities don't break
2718 * older tools by overrunning their buffers.
2720 * We still increment split_start so that in the split
2721 * case we'll continue with more data in the next round,
2722 * but break unconditionally so unsplit data stops here.
2725 state->split_start++;
2727 state->split_start = 0;
2730 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2731 goto nla_put_failure;
2733 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2734 rdev->wiphy.max_sched_scan_plans) ||
2735 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2736 rdev->wiphy.max_sched_scan_plan_interval) ||
2737 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2738 rdev->wiphy.max_sched_scan_plan_iterations))
2739 goto nla_put_failure;
2741 if (rdev->wiphy.extended_capabilities &&
2742 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2743 rdev->wiphy.extended_capabilities_len,
2744 rdev->wiphy.extended_capabilities) ||
2745 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2746 rdev->wiphy.extended_capabilities_len,
2747 rdev->wiphy.extended_capabilities_mask)))
2748 goto nla_put_failure;
2750 if (rdev->wiphy.vht_capa_mod_mask &&
2751 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2752 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2753 rdev->wiphy.vht_capa_mod_mask))
2754 goto nla_put_failure;
2756 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2757 rdev->wiphy.perm_addr))
2758 goto nla_put_failure;
2760 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2761 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2762 rdev->wiphy.addr_mask))
2763 goto nla_put_failure;
2765 if (rdev->wiphy.n_addresses > 1) {
2768 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2770 goto nla_put_failure;
2772 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2773 if (nla_put(msg, i + 1, ETH_ALEN,
2774 rdev->wiphy.addresses[i].addr))
2775 goto nla_put_failure;
2777 nla_nest_end(msg, attr);
2780 state->split_start++;
2783 if (nl80211_send_coalesce(msg, rdev))
2784 goto nla_put_failure;
2786 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2787 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2788 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2789 goto nla_put_failure;
2791 if (rdev->wiphy.max_ap_assoc_sta &&
2792 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2793 rdev->wiphy.max_ap_assoc_sta))
2794 goto nla_put_failure;
2796 state->split_start++;
2799 if (rdev->wiphy.n_vendor_commands) {
2800 const struct nl80211_vendor_cmd_info *info;
2801 struct nlattr *nested;
2803 nested = nla_nest_start_noflag(msg,
2804 NL80211_ATTR_VENDOR_DATA);
2806 goto nla_put_failure;
2808 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2809 info = &rdev->wiphy.vendor_commands[i].info;
2810 if (nla_put(msg, i + 1, sizeof(*info), info))
2811 goto nla_put_failure;
2813 nla_nest_end(msg, nested);
2816 if (rdev->wiphy.n_vendor_events) {
2817 const struct nl80211_vendor_cmd_info *info;
2818 struct nlattr *nested;
2820 nested = nla_nest_start_noflag(msg,
2821 NL80211_ATTR_VENDOR_EVENTS);
2823 goto nla_put_failure;
2825 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2826 info = &rdev->wiphy.vendor_events[i];
2827 if (nla_put(msg, i + 1, sizeof(*info), info))
2828 goto nla_put_failure;
2830 nla_nest_end(msg, nested);
2832 state->split_start++;
2835 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2836 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2837 rdev->wiphy.max_num_csa_counters))
2838 goto nla_put_failure;
2840 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2841 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2842 goto nla_put_failure;
2844 if (rdev->wiphy.max_sched_scan_reqs &&
2845 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2846 rdev->wiphy.max_sched_scan_reqs))
2847 goto nla_put_failure;
2849 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2850 sizeof(rdev->wiphy.ext_features),
2851 rdev->wiphy.ext_features))
2852 goto nla_put_failure;
2854 if (rdev->wiphy.bss_select_support) {
2855 struct nlattr *nested;
2856 u32 bss_select_support = rdev->wiphy.bss_select_support;
2858 nested = nla_nest_start_noflag(msg,
2859 NL80211_ATTR_BSS_SELECT);
2861 goto nla_put_failure;
2864 while (bss_select_support) {
2865 if ((bss_select_support & 1) &&
2866 nla_put_flag(msg, i))
2867 goto nla_put_failure;
2869 bss_select_support >>= 1;
2871 nla_nest_end(msg, nested);
2874 state->split_start++;
2877 if (rdev->wiphy.num_iftype_ext_capab &&
2878 rdev->wiphy.iftype_ext_capab) {
2879 struct nlattr *nested_ext_capab, *nested;
2881 nested = nla_nest_start_noflag(msg,
2882 NL80211_ATTR_IFTYPE_EXT_CAPA);
2884 goto nla_put_failure;
2886 for (i = state->capa_start;
2887 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2888 const struct wiphy_iftype_ext_capab *capab;
2890 capab = &rdev->wiphy.iftype_ext_capab[i];
2892 nested_ext_capab = nla_nest_start_noflag(msg,
2894 if (!nested_ext_capab ||
2895 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2897 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2898 capab->extended_capabilities_len,
2899 capab->extended_capabilities) ||
2900 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2901 capab->extended_capabilities_len,
2902 capab->extended_capabilities_mask))
2903 goto nla_put_failure;
2905 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO &&
2907 NL80211_ATTR_EML_CAPABILITY,
2908 capab->eml_capabilities) ||
2910 NL80211_ATTR_MLD_CAPA_AND_OPS,
2911 capab->mld_capa_and_ops)))
2912 goto nla_put_failure;
2914 nla_nest_end(msg, nested_ext_capab);
2918 nla_nest_end(msg, nested);
2919 if (i < rdev->wiphy.num_iftype_ext_capab) {
2920 state->capa_start = i + 1;
2925 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2926 rdev->wiphy.nan_supported_bands))
2927 goto nla_put_failure;
2929 if (wiphy_ext_feature_isset(&rdev->wiphy,
2930 NL80211_EXT_FEATURE_TXQS)) {
2931 struct cfg80211_txq_stats txqstats = {};
2934 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2936 !nl80211_put_txq_stats(msg, &txqstats,
2937 NL80211_ATTR_TXQ_STATS))
2938 goto nla_put_failure;
2940 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2941 rdev->wiphy.txq_limit))
2942 goto nla_put_failure;
2943 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2944 rdev->wiphy.txq_memory_limit))
2945 goto nla_put_failure;
2946 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2947 rdev->wiphy.txq_quantum))
2948 goto nla_put_failure;
2951 state->split_start++;
2954 if (nl80211_send_pmsr_capa(rdev, msg))
2955 goto nla_put_failure;
2957 state->split_start++;
2960 if (rdev->wiphy.akm_suites &&
2961 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2962 sizeof(u32) * rdev->wiphy.n_akm_suites,
2963 rdev->wiphy.akm_suites))
2964 goto nla_put_failure;
2966 if (nl80211_put_iftype_akm_suites(rdev, msg))
2967 goto nla_put_failure;
2969 if (nl80211_put_tid_config_support(rdev, msg))
2970 goto nla_put_failure;
2971 state->split_start++;
2974 if (nl80211_put_sar_specs(rdev, msg))
2975 goto nla_put_failure;
2977 if (nl80211_put_mbssid_support(&rdev->wiphy, msg))
2978 goto nla_put_failure;
2980 if (nla_put_u16(msg, NL80211_ATTR_MAX_NUM_AKM_SUITES,
2981 rdev->wiphy.max_num_akm_suites))
2982 goto nla_put_failure;
2984 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO)
2985 nla_put_flag(msg, NL80211_ATTR_MLO_SUPPORT);
2987 if (rdev->wiphy.hw_timestamp_max_peers &&
2988 nla_put_u16(msg, NL80211_ATTR_MAX_HW_TIMESTAMP_PEERS,
2989 rdev->wiphy.hw_timestamp_max_peers))
2990 goto nla_put_failure;
2993 state->split_start = 0;
2997 genlmsg_end(msg, hdr);
3001 genlmsg_cancel(msg, hdr);
3005 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
3006 struct netlink_callback *cb,
3007 struct nl80211_dump_wiphy_state *state)
3009 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
3015 ret = nlmsg_parse_deprecated(cb->nlh,
3016 GENL_HDRLEN + nl80211_fam.hdrsize,
3017 tb, nl80211_fam.maxattr,
3018 nl80211_policy, NULL);
3019 /* ignore parse errors for backward compatibility */
3025 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
3026 if (tb[NL80211_ATTR_WIPHY])
3027 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
3028 if (tb[NL80211_ATTR_WDEV])
3029 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
3030 if (tb[NL80211_ATTR_IFINDEX]) {
3031 struct net_device *netdev;
3032 struct cfg80211_registered_device *rdev;
3033 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
3035 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
3040 if (netdev->ieee80211_ptr) {
3041 rdev = wiphy_to_rdev(
3042 netdev->ieee80211_ptr->wiphy);
3043 state->filter_wiphy = rdev->wiphy_idx;
3053 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
3056 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
3057 struct cfg80211_registered_device *rdev;
3061 state = kzalloc(sizeof(*state), GFP_KERNEL);
3066 state->filter_wiphy = -1;
3067 ret = nl80211_dump_wiphy_parse(skb, cb, state);
3073 cb->args[0] = (long)state;
3076 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3077 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3079 if (++idx <= state->start)
3081 if (state->filter_wiphy != -1 &&
3082 state->filter_wiphy != rdev->wiphy_idx)
3084 /* attempt to fit multiple wiphy data chunks into the skb */
3086 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
3088 NETLINK_CB(cb->skb).portid,
3090 NLM_F_MULTI, state);
3093 * If sending the wiphy data didn't fit (ENOBUFS
3094 * or EMSGSIZE returned), this SKB is still
3095 * empty (so it's not too big because another
3096 * wiphy dataset is already in the skb) and
3097 * we've not tried to adjust the dump allocation
3098 * yet ... then adjust the alloc size to be
3099 * bigger, and return 1 but with the empty skb.
3100 * This results in an empty message being RX'ed
3101 * in userspace, but that is ignored.
3103 * We can then retry with the larger buffer.
3105 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
3106 !skb->len && !state->split &&
3107 cb->min_dump_alloc < 4096) {
3108 cb->min_dump_alloc = 4096;
3109 state->split_start = 0;
3116 } while (state->split_start > 0);
3126 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
3128 kfree((void *)cb->args[0]);
3132 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
3134 struct sk_buff *msg;
3135 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3136 struct nl80211_dump_wiphy_state state = {};
3138 msg = nlmsg_new(4096, GFP_KERNEL);
3142 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
3143 info->snd_portid, info->snd_seq, 0,
3149 return genlmsg_reply(msg, info);
3152 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
3153 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
3154 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
3155 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
3156 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
3157 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
3160 static int parse_txq_params(struct nlattr *tb[],
3161 struct ieee80211_txq_params *txq_params)
3165 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
3166 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
3167 !tb[NL80211_TXQ_ATTR_AIFS])
3170 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
3171 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
3172 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
3173 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
3174 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
3176 if (ac >= NL80211_NUM_ACS)
3178 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
3182 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
3185 * You can only set the channel explicitly for some interfaces,
3186 * most have their channel managed via their respective
3187 * "establish a connection" command (connect, join, ...)
3189 * For AP/GO and mesh mode, the channel can be set with the
3190 * channel userspace API, but is only stored and passed to the
3191 * low-level driver when the AP starts or the mesh is joined.
3192 * This is for backward compatibility, userspace can also give
3193 * the channel in the start-ap or join-mesh commands instead.
3195 * Monitors are special as they are normally slaved to
3196 * whatever else is going on, so they have their own special
3197 * operation to set the monitor channel if possible.
3200 wdev->iftype == NL80211_IFTYPE_AP ||
3201 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
3202 wdev->iftype == NL80211_IFTYPE_MONITOR ||
3203 wdev->iftype == NL80211_IFTYPE_P2P_GO;
3206 static int nl80211_parse_punct_bitmap(struct cfg80211_registered_device *rdev,
3207 struct genl_info *info,
3208 const struct cfg80211_chan_def *chandef,
3211 if (!wiphy_ext_feature_isset(&rdev->wiphy, NL80211_EXT_FEATURE_PUNCT))
3214 *punct_bitmap = nla_get_u32(info->attrs[NL80211_ATTR_PUNCT_BITMAP]);
3215 if (!cfg80211_valid_disable_subchannel_bitmap(punct_bitmap, chandef))
3221 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
3222 struct genl_info *info,
3223 struct cfg80211_chan_def *chandef)
3225 struct netlink_ext_ack *extack = info->extack;
3226 struct nlattr **attrs = info->attrs;
3229 if (!attrs[NL80211_ATTR_WIPHY_FREQ]) {
3230 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3231 "Frequency is missing");
3235 control_freq = MHZ_TO_KHZ(
3236 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3237 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3239 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
3241 memset(chandef, 0, sizeof(*chandef));
3242 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3243 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
3244 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3245 chandef->freq1_offset = control_freq % 1000;
3246 chandef->center_freq2 = 0;
3248 /* Primary channel not allowed */
3249 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3250 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3251 "Channel is disabled");
3255 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3256 enum nl80211_channel_type chantype;
3258 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3261 case NL80211_CHAN_NO_HT:
3262 case NL80211_CHAN_HT20:
3263 case NL80211_CHAN_HT40PLUS:
3264 case NL80211_CHAN_HT40MINUS:
3265 cfg80211_chandef_create(chandef, chandef->chan,
3267 /* user input for center_freq is incorrect */
3268 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3269 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3270 NL_SET_ERR_MSG_ATTR(extack,
3271 attrs[NL80211_ATTR_CENTER_FREQ1],
3272 "bad center frequency 1");
3275 /* center_freq2 must be zero */
3276 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3277 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3278 NL_SET_ERR_MSG_ATTR(extack,
3279 attrs[NL80211_ATTR_CENTER_FREQ2],
3280 "center frequency 2 can't be used");
3285 NL_SET_ERR_MSG_ATTR(extack,
3286 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3287 "invalid channel type");
3290 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3292 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
3293 if (chandef->chan->band == NL80211_BAND_S1GHZ) {
3294 /* User input error for channel width doesn't match channel */
3295 if (chandef->width != ieee80211_s1g_channel_width(chandef->chan)) {
3296 NL_SET_ERR_MSG_ATTR(extack,
3297 attrs[NL80211_ATTR_CHANNEL_WIDTH],
3298 "bad channel width");
3302 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3303 chandef->center_freq1 =
3304 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
3305 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3306 chandef->freq1_offset = nla_get_u32(
3307 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3309 chandef->freq1_offset = 0;
3311 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3312 chandef->center_freq2 =
3313 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3316 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3317 chandef->edmg.channels =
3318 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3320 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3321 chandef->edmg.bw_config =
3322 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3324 chandef->edmg.bw_config = 0;
3325 chandef->edmg.channels = 0;
3328 if (!cfg80211_chandef_valid(chandef)) {
3329 NL_SET_ERR_MSG(extack, "invalid channel definition");
3333 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
3334 IEEE80211_CHAN_DISABLED)) {
3335 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3339 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3340 chandef->width == NL80211_CHAN_WIDTH_10) &&
3341 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3342 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
3349 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
3350 struct net_device *dev,
3351 struct genl_info *info,
3354 struct cfg80211_chan_def chandef;
3356 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
3357 struct wireless_dev *wdev = NULL;
3358 int link_id = _link_id;
3361 wdev = dev->ieee80211_ptr;
3362 if (!nl80211_can_set_dev_channel(wdev))
3365 iftype = wdev->iftype;
3368 if (wdev && wdev->valid_links)
3373 result = nl80211_parse_chandef(rdev, info, &chandef);
3378 case NL80211_IFTYPE_AP:
3379 case NL80211_IFTYPE_P2P_GO:
3380 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3383 if (wdev->links[link_id].ap.beacon_interval) {
3384 struct ieee80211_channel *cur_chan;
3386 if (!dev || !rdev->ops->set_ap_chanwidth ||
3387 !(rdev->wiphy.features &
3388 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE))
3391 /* Only allow dynamic channel width changes */
3392 cur_chan = wdev->links[link_id].ap.chandef.chan;
3393 if (chandef.chan != cur_chan)
3396 result = rdev_set_ap_chanwidth(rdev, dev, link_id,
3400 wdev->links[link_id].ap.chandef = chandef;
3402 wdev->u.ap.preset_chandef = chandef;
3405 case NL80211_IFTYPE_MESH_POINT:
3406 return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
3407 case NL80211_IFTYPE_MONITOR:
3408 return cfg80211_set_monitor_channel(rdev, &chandef);
3416 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3418 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3419 int link_id = nl80211_link_id_or_invalid(info->attrs);
3420 struct net_device *netdev = info->user_ptr[1];
3423 wdev_lock(netdev->ieee80211_ptr);
3424 ret = __nl80211_set_channel(rdev, netdev, info, link_id);
3425 wdev_unlock(netdev->ieee80211_ptr);
3430 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3432 struct cfg80211_registered_device *rdev = NULL;
3433 struct net_device *netdev = NULL;
3434 struct wireless_dev *wdev;
3435 int result = 0, rem_txq_params = 0;
3436 struct nlattr *nl_txq_params;
3438 u8 retry_short = 0, retry_long = 0;
3439 u32 frag_threshold = 0, rts_threshold = 0;
3440 u8 coverage_class = 0;
3441 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
3445 * Try to find the wiphy and netdev. Normally this
3446 * function shouldn't need the netdev, but this is
3447 * done for backward compatibility -- previously
3448 * setting the channel was done per wiphy, but now
3449 * it is per netdev. Previous userland like hostapd
3450 * also passed a netdev to set_wiphy, so that it is
3451 * possible to let that go to the right netdev!
3454 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3455 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3457 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
3458 if (netdev && netdev->ieee80211_ptr)
3459 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
3465 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3469 return PTR_ERR(rdev);
3475 wdev = netdev->ieee80211_ptr;
3477 wiphy_lock(&rdev->wiphy);
3480 * end workaround code, by now the rdev is available
3481 * and locked, and wdev may or may not be NULL.
3484 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
3485 result = cfg80211_dev_rename(
3486 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
3492 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3493 struct ieee80211_txq_params txq_params;
3494 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3496 if (!rdev->ops->set_txq_params) {
3497 result = -EOPNOTSUPP;
3506 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3507 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3512 if (!netif_running(netdev)) {
3517 nla_for_each_nested(nl_txq_params,
3518 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3520 result = nla_parse_nested_deprecated(tb,
3521 NL80211_TXQ_ATTR_MAX,
3527 result = parse_txq_params(tb, &txq_params);
3531 txq_params.link_id =
3532 nl80211_link_id_or_invalid(info->attrs);
3534 wdev_lock(netdev->ieee80211_ptr);
3535 if (txq_params.link_id >= 0 &&
3536 !(netdev->ieee80211_ptr->valid_links &
3537 BIT(txq_params.link_id)))
3539 else if (txq_params.link_id >= 0 &&
3540 !netdev->ieee80211_ptr->valid_links)
3543 result = rdev_set_txq_params(rdev, netdev,
3545 wdev_unlock(netdev->ieee80211_ptr);
3551 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3552 int link_id = nl80211_link_id_or_invalid(info->attrs);
3556 result = __nl80211_set_channel(
3558 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3562 result = __nl80211_set_channel(rdev, netdev, info, link_id);
3569 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
3570 struct wireless_dev *txp_wdev = wdev;
3571 enum nl80211_tx_power_setting type;
3574 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3577 if (!rdev->ops->set_tx_power) {
3578 result = -EOPNOTSUPP;
3582 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3583 type = nla_get_u32(info->attrs[idx]);
3585 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
3586 (type != NL80211_TX_POWER_AUTOMATIC)) {
3591 if (type != NL80211_TX_POWER_AUTOMATIC) {
3592 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3593 mbm = nla_get_u32(info->attrs[idx]);
3596 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
3601 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3602 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3605 if ((!rdev->wiphy.available_antennas_tx &&
3606 !rdev->wiphy.available_antennas_rx) ||
3607 !rdev->ops->set_antenna) {
3608 result = -EOPNOTSUPP;
3612 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3613 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3615 /* reject antenna configurations which don't match the
3616 * available antenna masks, except for the "all" mask */
3617 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3618 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3623 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3624 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3626 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3633 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3634 retry_short = nla_get_u8(
3635 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3637 changed |= WIPHY_PARAM_RETRY_SHORT;
3640 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3641 retry_long = nla_get_u8(
3642 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3644 changed |= WIPHY_PARAM_RETRY_LONG;
3647 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3648 frag_threshold = nla_get_u32(
3649 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3650 if (frag_threshold < 256) {
3655 if (frag_threshold != (u32) -1) {
3657 * Fragments (apart from the last one) are required to
3658 * have even length. Make the fragmentation code
3659 * simpler by stripping LSB should someone try to use
3660 * odd threshold value.
3662 frag_threshold &= ~0x1;
3664 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3667 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3668 rts_threshold = nla_get_u32(
3669 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3670 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3673 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3674 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3679 coverage_class = nla_get_u8(
3680 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3681 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3684 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3685 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3686 result = -EOPNOTSUPP;
3690 changed |= WIPHY_PARAM_DYN_ACK;
3693 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3694 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3695 NL80211_EXT_FEATURE_TXQS)) {
3696 result = -EOPNOTSUPP;
3699 txq_limit = nla_get_u32(
3700 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3701 changed |= WIPHY_PARAM_TXQ_LIMIT;
3704 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3705 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3706 NL80211_EXT_FEATURE_TXQS)) {
3707 result = -EOPNOTSUPP;
3710 txq_memory_limit = nla_get_u32(
3711 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3712 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3715 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3716 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3717 NL80211_EXT_FEATURE_TXQS)) {
3718 result = -EOPNOTSUPP;
3721 txq_quantum = nla_get_u32(
3722 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3723 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3727 u8 old_retry_short, old_retry_long;
3728 u32 old_frag_threshold, old_rts_threshold;
3729 u8 old_coverage_class;
3730 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3732 if (!rdev->ops->set_wiphy_params) {
3733 result = -EOPNOTSUPP;
3737 old_retry_short = rdev->wiphy.retry_short;
3738 old_retry_long = rdev->wiphy.retry_long;
3739 old_frag_threshold = rdev->wiphy.frag_threshold;
3740 old_rts_threshold = rdev->wiphy.rts_threshold;
3741 old_coverage_class = rdev->wiphy.coverage_class;
3742 old_txq_limit = rdev->wiphy.txq_limit;
3743 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3744 old_txq_quantum = rdev->wiphy.txq_quantum;
3746 if (changed & WIPHY_PARAM_RETRY_SHORT)
3747 rdev->wiphy.retry_short = retry_short;
3748 if (changed & WIPHY_PARAM_RETRY_LONG)
3749 rdev->wiphy.retry_long = retry_long;
3750 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3751 rdev->wiphy.frag_threshold = frag_threshold;
3752 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3753 rdev->wiphy.rts_threshold = rts_threshold;
3754 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3755 rdev->wiphy.coverage_class = coverage_class;
3756 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3757 rdev->wiphy.txq_limit = txq_limit;
3758 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3759 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3760 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3761 rdev->wiphy.txq_quantum = txq_quantum;
3763 result = rdev_set_wiphy_params(rdev, changed);
3765 rdev->wiphy.retry_short = old_retry_short;
3766 rdev->wiphy.retry_long = old_retry_long;
3767 rdev->wiphy.frag_threshold = old_frag_threshold;
3768 rdev->wiphy.rts_threshold = old_rts_threshold;
3769 rdev->wiphy.coverage_class = old_coverage_class;
3770 rdev->wiphy.txq_limit = old_txq_limit;
3771 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3772 rdev->wiphy.txq_quantum = old_txq_quantum;
3780 wiphy_unlock(&rdev->wiphy);
3784 int nl80211_send_chandef(struct sk_buff *msg, const struct cfg80211_chan_def *chandef)
3786 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3789 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3790 chandef->chan->center_freq))
3792 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3793 chandef->chan->freq_offset))
3795 switch (chandef->width) {
3796 case NL80211_CHAN_WIDTH_20_NOHT:
3797 case NL80211_CHAN_WIDTH_20:
3798 case NL80211_CHAN_WIDTH_40:
3799 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3800 cfg80211_get_chandef_type(chandef)))
3806 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3808 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3810 if (chandef->center_freq2 &&
3811 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3815 EXPORT_SYMBOL(nl80211_send_chandef);
3817 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3818 struct cfg80211_registered_device *rdev,
3819 struct wireless_dev *wdev,
3820 enum nl80211_commands cmd)
3822 struct net_device *dev = wdev->netdev;
3825 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3826 cmd != NL80211_CMD_DEL_INTERFACE &&
3827 cmd != NL80211_CMD_SET_INTERFACE);
3829 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3834 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3835 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3836 goto nla_put_failure;
3838 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3839 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3840 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3841 NL80211_ATTR_PAD) ||
3842 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3843 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3844 rdev->devlist_generation ^
3845 (cfg80211_rdev_list_generation << 2)) ||
3846 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3847 goto nla_put_failure;
3849 if (rdev->ops->get_channel && !wdev->valid_links) {
3850 struct cfg80211_chan_def chandef = {};
3853 ret = rdev_get_channel(rdev, wdev, 0, &chandef);
3854 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3855 goto nla_put_failure;
3858 if (rdev->ops->get_tx_power) {
3861 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3863 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3865 goto nla_put_failure;
3869 switch (wdev->iftype) {
3870 case NL80211_IFTYPE_AP:
3871 case NL80211_IFTYPE_P2P_GO:
3872 if (wdev->u.ap.ssid_len &&
3873 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
3875 goto nla_put_failure_locked;
3877 case NL80211_IFTYPE_STATION:
3878 case NL80211_IFTYPE_P2P_CLIENT:
3879 if (wdev->u.client.ssid_len &&
3880 nla_put(msg, NL80211_ATTR_SSID, wdev->u.client.ssid_len,
3881 wdev->u.client.ssid))
3882 goto nla_put_failure_locked;
3884 case NL80211_IFTYPE_ADHOC:
3885 if (wdev->u.ibss.ssid_len &&
3886 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ibss.ssid_len,
3888 goto nla_put_failure_locked;
3896 if (rdev->ops->get_txq_stats) {
3897 struct cfg80211_txq_stats txqstats = {};
3898 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3901 !nl80211_put_txq_stats(msg, &txqstats,
3902 NL80211_ATTR_TXQ_STATS))
3903 goto nla_put_failure;
3906 if (wdev->valid_links) {
3907 unsigned int link_id;
3908 struct nlattr *links = nla_nest_start(msg,
3909 NL80211_ATTR_MLO_LINKS);
3912 goto nla_put_failure;
3914 for_each_valid_link(wdev, link_id) {
3915 struct nlattr *link = nla_nest_start(msg, link_id + 1);
3916 struct cfg80211_chan_def chandef = {};
3920 goto nla_put_failure;
3922 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
3923 goto nla_put_failure;
3924 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
3925 wdev->links[link_id].addr))
3926 goto nla_put_failure;
3928 ret = rdev_get_channel(rdev, wdev, link_id, &chandef);
3929 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3930 goto nla_put_failure;
3932 nla_nest_end(msg, link);
3935 nla_nest_end(msg, links);
3938 genlmsg_end(msg, hdr);
3941 nla_put_failure_locked:
3944 genlmsg_cancel(msg, hdr);
3948 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3952 int wp_start = cb->args[0];
3953 int if_start = cb->args[1];
3954 int filter_wiphy = -1;
3955 struct cfg80211_registered_device *rdev;
3956 struct wireless_dev *wdev;
3961 struct nl80211_dump_wiphy_state state = {
3965 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3969 filter_wiphy = state.filter_wiphy;
3972 * if filtering, set cb->args[2] to +1 since 0 is the default
3973 * value needed to determine that parsing is necessary.
3975 if (filter_wiphy >= 0)
3976 cb->args[2] = filter_wiphy + 1;
3979 } else if (cb->args[2] > 0) {
3980 filter_wiphy = cb->args[2] - 1;
3983 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3984 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3986 if (wp_idx < wp_start) {
3991 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3996 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3997 if (if_idx < if_start) {
4001 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
4002 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4004 NL80211_CMD_NEW_INTERFACE) < 0) {
4013 cb->args[0] = wp_idx;
4014 cb->args[1] = if_idx;
4023 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
4025 struct sk_buff *msg;
4026 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4027 struct wireless_dev *wdev = info->user_ptr[1];
4029 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4033 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4034 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4039 return genlmsg_reply(msg, info);
4042 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
4043 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
4044 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
4045 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
4046 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
4047 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
4048 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
4051 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
4053 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
4061 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
4064 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
4066 *mntrflags |= (1<<flag);
4068 *mntrflags |= MONITOR_FLAG_CHANGED;
4073 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
4074 enum nl80211_iftype type,
4075 struct genl_info *info,
4076 struct vif_params *params)
4078 bool change = false;
4081 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
4082 if (type != NL80211_IFTYPE_MONITOR)
4085 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
4093 if (params->flags & MONITOR_FLAG_ACTIVE &&
4094 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
4097 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
4098 const u8 *mumimo_groups;
4099 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4101 if (type != NL80211_IFTYPE_MONITOR)
4104 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4108 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
4110 /* bits 0 and 63 are reserved and must be zero */
4111 if ((mumimo_groups[0] & BIT(0)) ||
4112 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
4115 params->vht_mumimo_groups = mumimo_groups;
4119 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
4120 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4122 if (type != NL80211_IFTYPE_MONITOR)
4125 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4128 params->vht_mumimo_follow_addr =
4129 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
4133 return change ? 1 : 0;
4136 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
4137 struct net_device *netdev, u8 use_4addr,
4138 enum nl80211_iftype iftype)
4141 if (netdev && netif_is_bridge_port(netdev))
4147 case NL80211_IFTYPE_AP_VLAN:
4148 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
4151 case NL80211_IFTYPE_STATION:
4152 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
4162 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
4164 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4165 struct vif_params params;
4167 enum nl80211_iftype otype, ntype;
4168 struct net_device *dev = info->user_ptr[1];
4169 bool change = false;
4171 memset(¶ms, 0, sizeof(params));
4173 otype = ntype = dev->ieee80211_ptr->iftype;
4175 if (info->attrs[NL80211_ATTR_IFTYPE]) {
4176 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
4181 if (info->attrs[NL80211_ATTR_MESH_ID]) {
4182 struct wireless_dev *wdev = dev->ieee80211_ptr;
4184 if (ntype != NL80211_IFTYPE_MESH_POINT)
4186 if (netif_running(dev))
4190 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4191 IEEE80211_MAX_MESH_ID_LEN);
4192 wdev->u.mesh.id_up_len =
4193 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4194 memcpy(wdev->u.mesh.id,
4195 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4196 wdev->u.mesh.id_up_len);
4200 if (info->attrs[NL80211_ATTR_4ADDR]) {
4201 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4203 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
4207 params.use_4addr = -1;
4210 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
4217 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
4221 if (!err && params.use_4addr != -1)
4222 dev->ieee80211_ptr->use_4addr = params.use_4addr;
4224 if (change && !err) {
4225 struct wireless_dev *wdev = dev->ieee80211_ptr;
4227 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
4233 static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4235 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4236 struct vif_params params;
4237 struct wireless_dev *wdev;
4238 struct sk_buff *msg;
4240 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
4242 memset(¶ms, 0, sizeof(params));
4244 if (!info->attrs[NL80211_ATTR_IFNAME])
4247 if (info->attrs[NL80211_ATTR_IFTYPE])
4248 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
4250 if (!rdev->ops->add_virtual_intf)
4253 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
4254 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
4255 info->attrs[NL80211_ATTR_MAC]) {
4256 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
4258 if (!is_valid_ether_addr(params.macaddr))
4259 return -EADDRNOTAVAIL;
4262 if (info->attrs[NL80211_ATTR_4ADDR]) {
4263 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4264 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
4269 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
4272 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
4276 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4280 wdev = rdev_add_virtual_intf(rdev,
4281 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
4282 NET_NAME_USER, type, ¶ms);
4283 if (WARN_ON(!wdev)) {
4286 } else if (IS_ERR(wdev)) {
4288 return PTR_ERR(wdev);
4291 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4292 wdev->owner_nlportid = info->snd_portid;
4295 case NL80211_IFTYPE_MESH_POINT:
4296 if (!info->attrs[NL80211_ATTR_MESH_ID])
4299 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4300 IEEE80211_MAX_MESH_ID_LEN);
4301 wdev->u.mesh.id_up_len =
4302 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4303 memcpy(wdev->u.mesh.id,
4304 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4305 wdev->u.mesh.id_up_len);
4308 case NL80211_IFTYPE_NAN:
4309 case NL80211_IFTYPE_P2P_DEVICE:
4311 * P2P Device and NAN do not have a netdev, so don't go
4312 * through the netdev notifier and must be added here
4314 cfg80211_init_wdev(wdev);
4315 cfg80211_register_wdev(rdev, wdev);
4321 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4322 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4327 return genlmsg_reply(msg, info);
4330 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4332 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4335 /* to avoid failing a new interface creation due to pending removal */
4336 cfg80211_destroy_ifaces(rdev);
4338 wiphy_lock(&rdev->wiphy);
4339 ret = _nl80211_new_interface(skb, info);
4340 wiphy_unlock(&rdev->wiphy);
4345 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4347 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4348 struct wireless_dev *wdev = info->user_ptr[1];
4350 if (!rdev->ops->del_virtual_intf)
4354 * We hold RTNL, so this is safe, without RTNL opencount cannot
4355 * reach 0, and thus the rdev cannot be deleted.
4357 * We need to do it for the dev_close(), since that will call
4358 * the netdev notifiers, and we need to acquire the mutex there
4359 * but don't know if we get there from here or from some other
4360 * place (e.g. "ip link set ... down").
4362 mutex_unlock(&rdev->wiphy.mtx);
4365 * If we remove a wireless device without a netdev then clear
4366 * user_ptr[1] so that nl80211_post_doit won't dereference it
4367 * to check if it needs to do dev_put(). Otherwise it crashes
4368 * since the wdev has been freed, unlike with a netdev where
4369 * we need the dev_put() for the netdev to really be freed.
4372 info->user_ptr[1] = NULL;
4374 dev_close(wdev->netdev);
4376 mutex_lock(&rdev->wiphy.mtx);
4378 return cfg80211_remove_virtual_intf(rdev, wdev);
4381 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4383 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4384 struct net_device *dev = info->user_ptr[1];
4387 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4390 if (!rdev->ops->set_noack_map)
4393 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4395 return rdev_set_noack_map(rdev, dev, noack_map);
4398 static int nl80211_validate_key_link_id(struct genl_info *info,
4399 struct wireless_dev *wdev,
4400 int link_id, bool pairwise)
4403 if (link_id != -1) {
4404 GENL_SET_ERR_MSG(info,
4405 "link ID not allowed for pairwise key");
4412 if (wdev->valid_links) {
4413 if (link_id == -1) {
4414 GENL_SET_ERR_MSG(info,
4415 "link ID must for MLO group key");
4418 if (!(wdev->valid_links & BIT(link_id))) {
4419 GENL_SET_ERR_MSG(info, "invalid link ID for MLO group key");
4422 } else if (link_id != -1) {
4423 GENL_SET_ERR_MSG(info, "link ID not allowed for non-MLO group key");
4430 struct get_key_cookie {
4431 struct sk_buff *msg;
4436 static void get_key_callback(void *c, struct key_params *params)
4439 struct get_key_cookie *cookie = c;
4442 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4443 params->key_len, params->key)) ||
4445 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4446 params->seq_len, params->seq)) ||
4448 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4450 goto nla_put_failure;
4452 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
4454 goto nla_put_failure;
4457 nla_put(cookie->msg, NL80211_KEY_DATA,
4458 params->key_len, params->key)) ||
4460 nla_put(cookie->msg, NL80211_KEY_SEQ,
4461 params->seq_len, params->seq)) ||
4463 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4465 goto nla_put_failure;
4467 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
4468 goto nla_put_failure;
4470 nla_nest_end(cookie->msg, key);
4477 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4479 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4481 struct net_device *dev = info->user_ptr[1];
4483 const u8 *mac_addr = NULL;
4485 struct get_key_cookie cookie = {
4489 struct sk_buff *msg;
4490 bool bigtk_support = false;
4491 int link_id = nl80211_link_id_or_invalid(info->attrs);
4492 struct wireless_dev *wdev = dev->ieee80211_ptr;
4494 if (wiphy_ext_feature_isset(&rdev->wiphy,
4495 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4496 bigtk_support = true;
4498 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
4499 wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4500 wiphy_ext_feature_isset(&rdev->wiphy,
4501 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4502 bigtk_support = true;
4504 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4505 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4507 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4508 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4513 if (info->attrs[NL80211_ATTR_MAC])
4514 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4516 pairwise = !!mac_addr;
4517 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4518 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4520 if (kt != NL80211_KEYTYPE_GROUP &&
4521 kt != NL80211_KEYTYPE_PAIRWISE)
4523 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4526 if (!rdev->ops->get_key)
4529 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4532 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4536 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4537 NL80211_CMD_NEW_KEY);
4539 goto nla_put_failure;
4542 cookie.idx = key_idx;
4544 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4545 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4546 goto nla_put_failure;
4548 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4549 goto nla_put_failure;
4551 err = nl80211_validate_key_link_id(info, wdev, link_id, pairwise);
4555 err = rdev_get_key(rdev, dev, link_id, key_idx, pairwise, mac_addr,
4556 &cookie, get_key_callback);
4562 goto nla_put_failure;
4564 genlmsg_end(msg, hdr);
4565 return genlmsg_reply(msg, info);
4574 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4576 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4577 struct key_parse key;
4579 struct net_device *dev = info->user_ptr[1];
4580 int link_id = nl80211_link_id_or_invalid(info->attrs);
4581 struct wireless_dev *wdev = dev->ieee80211_ptr;
4583 err = nl80211_parse_key(info, &key);
4590 /* Only support setting default key and
4591 * Extended Key ID action NL80211_KEY_SET_TX.
4593 if (!key.def && !key.defmgmt && !key.defbeacon &&
4594 !(key.p.mode == NL80211_KEY_SET_TX))
4600 if (!rdev->ops->set_default_key) {
4605 err = nl80211_key_allowed(wdev);
4609 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4613 err = rdev_set_default_key(rdev, dev, link_id, key.idx,
4614 key.def_uni, key.def_multi);
4619 #ifdef CONFIG_CFG80211_WEXT
4620 wdev->wext.default_key = key.idx;
4622 } else if (key.defmgmt) {
4623 if (key.def_uni || !key.def_multi) {
4628 if (!rdev->ops->set_default_mgmt_key) {
4633 err = nl80211_key_allowed(wdev);
4637 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4641 err = rdev_set_default_mgmt_key(rdev, dev, link_id, key.idx);
4645 #ifdef CONFIG_CFG80211_WEXT
4646 wdev->wext.default_mgmt_key = key.idx;
4648 } else if (key.defbeacon) {
4649 if (key.def_uni || !key.def_multi) {
4654 if (!rdev->ops->set_default_beacon_key) {
4659 err = nl80211_key_allowed(wdev);
4663 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4667 err = rdev_set_default_beacon_key(rdev, dev, link_id, key.idx);
4670 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4671 wiphy_ext_feature_isset(&rdev->wiphy,
4672 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4673 u8 *mac_addr = NULL;
4675 if (info->attrs[NL80211_ATTR_MAC])
4676 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4678 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4683 err = nl80211_validate_key_link_id(info, wdev, link_id, true);
4687 err = rdev_add_key(rdev, dev, link_id, key.idx,
4688 NL80211_KEYTYPE_PAIRWISE,
4699 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4701 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4703 struct net_device *dev = info->user_ptr[1];
4704 struct key_parse key;
4705 const u8 *mac_addr = NULL;
4706 int link_id = nl80211_link_id_or_invalid(info->attrs);
4707 struct wireless_dev *wdev = dev->ieee80211_ptr;
4709 err = nl80211_parse_key(info, &key);
4714 GENL_SET_ERR_MSG(info, "no key");
4718 if (info->attrs[NL80211_ATTR_MAC])
4719 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4721 if (key.type == -1) {
4723 key.type = NL80211_KEYTYPE_PAIRWISE;
4725 key.type = NL80211_KEYTYPE_GROUP;
4729 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4730 key.type != NL80211_KEYTYPE_GROUP) {
4731 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4735 if (key.type == NL80211_KEYTYPE_GROUP &&
4736 info->attrs[NL80211_ATTR_VLAN_ID])
4737 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4739 if (!rdev->ops->add_key)
4742 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4743 key.type == NL80211_KEYTYPE_PAIRWISE,
4745 GENL_SET_ERR_MSG(info, "key setting validation failed");
4750 err = nl80211_key_allowed(wdev);
4752 GENL_SET_ERR_MSG(info, "key not allowed");
4755 err = nl80211_validate_key_link_id(info, wdev, link_id,
4756 key.type == NL80211_KEYTYPE_PAIRWISE);
4759 err = rdev_add_key(rdev, dev, link_id, key.idx,
4760 key.type == NL80211_KEYTYPE_PAIRWISE,
4763 GENL_SET_ERR_MSG(info, "key addition failed");
4770 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4772 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4774 struct net_device *dev = info->user_ptr[1];
4775 u8 *mac_addr = NULL;
4776 struct key_parse key;
4777 int link_id = nl80211_link_id_or_invalid(info->attrs);
4778 struct wireless_dev *wdev = dev->ieee80211_ptr;
4780 err = nl80211_parse_key(info, &key);
4784 if (info->attrs[NL80211_ATTR_MAC])
4785 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4787 if (key.type == -1) {
4789 key.type = NL80211_KEYTYPE_PAIRWISE;
4791 key.type = NL80211_KEYTYPE_GROUP;
4795 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4796 key.type != NL80211_KEYTYPE_GROUP)
4799 if (!cfg80211_valid_key_idx(rdev, key.idx,
4800 key.type == NL80211_KEYTYPE_PAIRWISE))
4803 if (!rdev->ops->del_key)
4807 err = nl80211_key_allowed(wdev);
4809 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4810 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4814 err = nl80211_validate_key_link_id(info, wdev, link_id,
4815 key.type == NL80211_KEYTYPE_PAIRWISE);
4818 err = rdev_del_key(rdev, dev, link_id, key.idx,
4819 key.type == NL80211_KEYTYPE_PAIRWISE,
4822 #ifdef CONFIG_CFG80211_WEXT
4824 if (key.idx == wdev->wext.default_key)
4825 wdev->wext.default_key = -1;
4826 else if (key.idx == wdev->wext.default_mgmt_key)
4827 wdev->wext.default_mgmt_key = -1;
4835 /* This function returns an error or the number of nested attributes */
4836 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4838 struct nlattr *attr;
4839 int n_entries = 0, tmp;
4841 nla_for_each_nested(attr, nl_attr, tmp) {
4842 if (nla_len(attr) != ETH_ALEN)
4852 * This function parses ACL information and allocates memory for ACL data.
4853 * On successful return, the calling function is responsible to free the
4854 * ACL buffer returned by this function.
4856 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4857 struct genl_info *info)
4859 enum nl80211_acl_policy acl_policy;
4860 struct nlattr *attr;
4861 struct cfg80211_acl_data *acl;
4862 int i = 0, n_entries, tmp;
4864 if (!wiphy->max_acl_mac_addrs)
4865 return ERR_PTR(-EOPNOTSUPP);
4867 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4868 return ERR_PTR(-EINVAL);
4870 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4871 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4872 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4873 return ERR_PTR(-EINVAL);
4875 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4876 return ERR_PTR(-EINVAL);
4878 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4880 return ERR_PTR(n_entries);
4882 if (n_entries > wiphy->max_acl_mac_addrs)
4883 return ERR_PTR(-ENOTSUPP);
4885 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4887 return ERR_PTR(-ENOMEM);
4889 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4890 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4894 acl->n_acl_entries = n_entries;
4895 acl->acl_policy = acl_policy;
4900 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4902 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4903 struct net_device *dev = info->user_ptr[1];
4904 struct cfg80211_acl_data *acl;
4907 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4908 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4911 if (!dev->ieee80211_ptr->links[0].ap.beacon_interval)
4914 acl = parse_acl_data(&rdev->wiphy, info);
4916 return PTR_ERR(acl);
4918 err = rdev_set_mac_acl(rdev, dev, acl);
4925 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4926 u8 *rates, u8 rates_len)
4931 for (i = 0; i < rates_len; i++) {
4932 int rate = (rates[i] & 0x7f) * 5;
4935 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4936 struct ieee80211_rate *srate =
4937 &sband->bitrates[ridx];
4938 if (rate == srate->bitrate) {
4943 if (ridx == sband->n_bitrates)
4944 return 0; /* rate not found */
4950 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4951 u8 *rates, u8 rates_len,
4952 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4956 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4958 for (i = 0; i < rates_len; i++) {
4961 ridx = rates[i] / 8;
4962 rbit = BIT(rates[i] % 8);
4964 /* check validity */
4965 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4968 /* check availability */
4969 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4970 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4979 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4983 switch (vht_mcs_map) {
4984 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4986 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4989 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4992 case IEEE80211_VHT_MCS_SUPPORT_0_9:
5002 static void vht_build_mcs_mask(u16 vht_mcs_map,
5003 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
5007 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
5008 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
5013 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
5014 struct nl80211_txrate_vht *txrate,
5015 u16 mcs[NL80211_VHT_NSS_MAX])
5017 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5018 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
5021 if (!sband->vht_cap.vht_supported)
5024 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
5026 /* Build vht_mcs_mask from VHT capabilities */
5027 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5029 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5030 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5031 mcs[i] = txrate->mcs[i];
5039 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
5041 switch (he_mcs_map) {
5042 case IEEE80211_HE_MCS_NOT_SUPPORTED:
5044 case IEEE80211_HE_MCS_SUPPORT_0_7:
5046 case IEEE80211_HE_MCS_SUPPORT_0_9:
5048 case IEEE80211_HE_MCS_SUPPORT_0_11:
5056 static void he_build_mcs_mask(u16 he_mcs_map,
5057 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
5061 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
5062 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
5067 static u16 he_get_txmcsmap(struct genl_info *info, unsigned int link_id,
5068 const struct ieee80211_sta_he_cap *he_cap)
5070 struct net_device *dev = info->user_ptr[1];
5071 struct wireless_dev *wdev = dev->ieee80211_ptr;
5072 struct cfg80211_chan_def *chandef;
5075 chandef = wdev_chandef(wdev, link_id);
5078 * This is probably broken, but we never maintained
5079 * a chandef in these cases, so it always was.
5081 return le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);
5084 switch (chandef->width) {
5085 case NL80211_CHAN_WIDTH_80P80:
5086 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
5088 case NL80211_CHAN_WIDTH_160:
5089 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
5092 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
5096 return le16_to_cpu(tx_mcs);
5099 static bool he_set_mcs_mask(struct genl_info *info,
5100 struct wireless_dev *wdev,
5101 struct ieee80211_supported_band *sband,
5102 struct nl80211_txrate_he *txrate,
5103 u16 mcs[NL80211_HE_NSS_MAX],
5104 unsigned int link_id)
5106 const struct ieee80211_sta_he_cap *he_cap;
5107 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
5111 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5115 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
5117 tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
5119 /* Build he_mcs_mask from HE capabilities */
5120 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5122 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5123 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5124 mcs[i] = txrate->mcs[i];
5132 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
5133 struct nlattr *attrs[],
5134 enum nl80211_attrs attr,
5135 struct cfg80211_bitrate_mask *mask,
5136 struct net_device *dev,
5137 bool default_all_enabled,
5138 unsigned int link_id)
5140 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
5141 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5142 struct wireless_dev *wdev = dev->ieee80211_ptr;
5144 struct nlattr *tx_rates;
5145 struct ieee80211_supported_band *sband;
5146 u16 vht_tx_mcs_map, he_tx_mcs_map;
5148 memset(mask, 0, sizeof(*mask));
5149 /* Default to all rates enabled */
5150 for (i = 0; i < NUM_NL80211_BANDS; i++) {
5151 const struct ieee80211_sta_he_cap *he_cap;
5153 if (!default_all_enabled)
5156 sband = rdev->wiphy.bands[i];
5161 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
5162 memcpy(mask->control[i].ht_mcs,
5163 sband->ht_cap.mcs.rx_mask,
5164 sizeof(mask->control[i].ht_mcs));
5166 if (sband->vht_cap.vht_supported) {
5167 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5168 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
5171 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5175 he_tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
5176 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
5178 mask->control[i].he_gi = 0xFF;
5179 mask->control[i].he_ltf = 0xFF;
5182 /* if no rates are given set it back to the defaults */
5186 /* The nested attribute uses enum nl80211_band as the index. This maps
5187 * directly to the enum nl80211_band values used in cfg80211.
5189 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
5190 nla_for_each_nested(tx_rates, attrs[attr], rem) {
5191 enum nl80211_band band = nla_type(tx_rates);
5194 if (band < 0 || band >= NUM_NL80211_BANDS)
5196 sband = rdev->wiphy.bands[band];
5199 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
5201 nl80211_txattr_policy,
5205 if (tb[NL80211_TXRATE_LEGACY]) {
5206 mask->control[band].legacy = rateset_to_mask(
5208 nla_data(tb[NL80211_TXRATE_LEGACY]),
5209 nla_len(tb[NL80211_TXRATE_LEGACY]));
5210 if ((mask->control[band].legacy == 0) &&
5211 nla_len(tb[NL80211_TXRATE_LEGACY]))
5214 if (tb[NL80211_TXRATE_HT]) {
5215 if (!ht_rateset_to_mask(
5217 nla_data(tb[NL80211_TXRATE_HT]),
5218 nla_len(tb[NL80211_TXRATE_HT]),
5219 mask->control[band].ht_mcs))
5223 if (tb[NL80211_TXRATE_VHT]) {
5224 if (!vht_set_mcs_mask(
5226 nla_data(tb[NL80211_TXRATE_VHT]),
5227 mask->control[band].vht_mcs))
5231 if (tb[NL80211_TXRATE_GI]) {
5232 mask->control[band].gi =
5233 nla_get_u8(tb[NL80211_TXRATE_GI]);
5234 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
5237 if (tb[NL80211_TXRATE_HE] &&
5238 !he_set_mcs_mask(info, wdev, sband,
5239 nla_data(tb[NL80211_TXRATE_HE]),
5240 mask->control[band].he_mcs,
5244 if (tb[NL80211_TXRATE_HE_GI])
5245 mask->control[band].he_gi =
5246 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
5247 if (tb[NL80211_TXRATE_HE_LTF])
5248 mask->control[band].he_ltf =
5249 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
5251 if (mask->control[band].legacy == 0) {
5252 /* don't allow empty legacy rates if HT, VHT or HE
5253 * are not even supported.
5255 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
5256 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
5257 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
5260 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
5261 if (mask->control[band].ht_mcs[i])
5264 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
5265 if (mask->control[band].vht_mcs[i])
5268 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
5269 if (mask->control[band].he_mcs[i])
5272 /* legacy and mcs rates may not be both empty */
5281 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
5282 enum nl80211_band band,
5283 struct cfg80211_bitrate_mask *beacon_rate)
5285 u32 count_ht, count_vht, count_he, i;
5286 u32 rate = beacon_rate->control[band].legacy;
5288 /* Allow only one rate */
5289 if (hweight32(rate) > 1)
5293 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
5294 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
5296 } else if (beacon_rate->control[band].ht_mcs[i]) {
5301 if (count_ht && rate)
5306 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5307 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
5309 } else if (beacon_rate->control[band].vht_mcs[i]) {
5314 if (count_vht && rate)
5319 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5320 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
5322 } else if (beacon_rate->control[band].he_mcs[i]) {
5327 if (count_he && rate)
5331 if ((count_ht && count_vht && count_he) ||
5332 (!rate && !count_ht && !count_vht && !count_he))
5336 !wiphy_ext_feature_isset(&rdev->wiphy,
5337 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
5340 !wiphy_ext_feature_isset(&rdev->wiphy,
5341 NL80211_EXT_FEATURE_BEACON_RATE_HT))
5344 !wiphy_ext_feature_isset(&rdev->wiphy,
5345 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
5348 !wiphy_ext_feature_isset(&rdev->wiphy,
5349 NL80211_EXT_FEATURE_BEACON_RATE_HE))
5355 static int nl80211_parse_mbssid_config(struct wiphy *wiphy,
5356 struct net_device *dev,
5357 struct nlattr *attrs,
5358 struct cfg80211_mbssid_config *config,
5361 struct nlattr *tb[NL80211_MBSSID_CONFIG_ATTR_MAX + 1];
5363 if (!wiphy->mbssid_max_interfaces)
5366 if (nla_parse_nested(tb, NL80211_MBSSID_CONFIG_ATTR_MAX, attrs, NULL,
5368 !tb[NL80211_MBSSID_CONFIG_ATTR_INDEX])
5371 config->ema = nla_get_flag(tb[NL80211_MBSSID_CONFIG_ATTR_EMA]);
5373 if (!wiphy->ema_max_profile_periodicity)
5376 if (num_elems > wiphy->ema_max_profile_periodicity)
5380 config->index = nla_get_u8(tb[NL80211_MBSSID_CONFIG_ATTR_INDEX]);
5381 if (config->index >= wiphy->mbssid_max_interfaces ||
5382 (!config->index && !num_elems))
5385 if (tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]) {
5387 nla_get_u32(tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]);
5389 if ((!config->index && tx_ifindex != dev->ifindex) ||
5390 (config->index && tx_ifindex == dev->ifindex))
5393 if (tx_ifindex != dev->ifindex) {
5394 struct net_device *tx_netdev =
5395 dev_get_by_index(wiphy_net(wiphy), tx_ifindex);
5397 if (!tx_netdev || !tx_netdev->ieee80211_ptr ||
5398 tx_netdev->ieee80211_ptr->wiphy != wiphy ||
5399 tx_netdev->ieee80211_ptr->iftype !=
5400 NL80211_IFTYPE_AP) {
5405 config->tx_wdev = tx_netdev->ieee80211_ptr;
5407 config->tx_wdev = dev->ieee80211_ptr;
5409 } else if (!config->index) {
5410 config->tx_wdev = dev->ieee80211_ptr;
5418 static struct cfg80211_mbssid_elems *
5419 nl80211_parse_mbssid_elems(struct wiphy *wiphy, struct nlattr *attrs)
5421 struct nlattr *nl_elems;
5422 struct cfg80211_mbssid_elems *elems;
5424 u8 i = 0, num_elems = 0;
5426 if (!wiphy->mbssid_max_interfaces)
5427 return ERR_PTR(-EINVAL);
5429 nla_for_each_nested(nl_elems, attrs, rem_elems)
5432 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5434 return ERR_PTR(-ENOMEM);
5436 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5437 elems->elem[i].data = nla_data(nl_elems);
5438 elems->elem[i].len = nla_len(nl_elems);
5441 elems->cnt = num_elems;
5445 static struct cfg80211_rnr_elems *
5446 nl80211_parse_rnr_elems(struct wiphy *wiphy, struct nlattr *attrs,
5447 struct netlink_ext_ack *extack)
5449 struct nlattr *nl_elems;
5450 struct cfg80211_rnr_elems *elems;
5452 u8 i = 0, num_elems = 0;
5454 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5457 ret = validate_ie_attr(nl_elems, extack);
5459 return ERR_PTR(ret);
5464 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5466 return ERR_PTR(-ENOMEM);
5468 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5469 elems->elem[i].data = nla_data(nl_elems);
5470 elems->elem[i].len = nla_len(nl_elems);
5473 elems->cnt = num_elems;
5477 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5478 struct cfg80211_he_bss_color *he_bss_color)
5480 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5483 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5484 he_bss_color_policy, NULL);
5488 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5491 he_bss_color->color =
5492 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5493 he_bss_color->enabled =
5494 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5495 he_bss_color->partial =
5496 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5501 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
5502 struct nlattr *attrs[],
5503 struct cfg80211_beacon_data *bcn,
5504 struct netlink_ext_ack *extack)
5506 bool haveinfo = false;
5509 memset(bcn, 0, sizeof(*bcn));
5511 bcn->link_id = nl80211_link_id(attrs);
5513 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
5514 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
5515 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
5521 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
5522 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
5523 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
5530 if (attrs[NL80211_ATTR_IE]) {
5531 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
5532 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
5535 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
5536 bcn->proberesp_ies =
5537 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5538 bcn->proberesp_ies_len =
5539 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5542 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
5543 bcn->assocresp_ies =
5544 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5545 bcn->assocresp_ies_len =
5546 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5549 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5550 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5551 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
5554 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5555 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5557 err = nla_parse_nested_deprecated(tb,
5558 NL80211_FTM_RESP_ATTR_MAX,
5559 attrs[NL80211_ATTR_FTM_RESPONDER],
5564 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5565 wiphy_ext_feature_isset(&rdev->wiphy,
5566 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5567 bcn->ftm_responder = 1;
5571 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5572 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5573 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5576 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5577 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5578 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5581 bcn->ftm_responder = -1;
5584 if (attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5585 err = nl80211_parse_he_bss_color(attrs[NL80211_ATTR_HE_BSS_COLOR],
5586 &bcn->he_bss_color);
5589 bcn->he_bss_color_valid = true;
5592 if (attrs[NL80211_ATTR_MBSSID_ELEMS]) {
5593 struct cfg80211_mbssid_elems *mbssid =
5594 nl80211_parse_mbssid_elems(&rdev->wiphy,
5595 attrs[NL80211_ATTR_MBSSID_ELEMS]);
5598 return PTR_ERR(mbssid);
5600 bcn->mbssid_ies = mbssid;
5602 if (bcn->mbssid_ies && attrs[NL80211_ATTR_EMA_RNR_ELEMS]) {
5603 struct cfg80211_rnr_elems *rnr =
5604 nl80211_parse_rnr_elems(&rdev->wiphy,
5605 attrs[NL80211_ATTR_EMA_RNR_ELEMS],
5609 return PTR_ERR(rnr);
5611 if (rnr && rnr->cnt < bcn->mbssid_ies->cnt)
5621 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5622 struct ieee80211_he_obss_pd *he_obss_pd)
5624 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5627 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5628 he_obss_pd_policy, NULL);
5632 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5635 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5637 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5638 he_obss_pd->min_offset =
5639 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5640 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5641 he_obss_pd->max_offset =
5642 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
5643 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5644 he_obss_pd->non_srg_max_offset =
5645 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
5647 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
5650 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5651 memcpy(he_obss_pd->bss_color_bitmap,
5652 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5653 sizeof(he_obss_pd->bss_color_bitmap));
5655 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5656 memcpy(he_obss_pd->partial_bssid_bitmap,
5657 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5658 sizeof(he_obss_pd->partial_bssid_bitmap));
5660 he_obss_pd->enable = true;
5665 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5666 struct nlattr *attrs,
5667 struct cfg80211_ap_settings *params)
5669 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5671 struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery;
5673 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5674 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5677 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5682 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5683 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5684 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5687 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5688 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5689 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5690 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5696 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5697 struct nlattr *attrs,
5698 struct cfg80211_ap_settings *params)
5700 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5702 struct cfg80211_unsol_bcast_probe_resp *presp =
5703 ¶ms->unsol_bcast_probe_resp;
5705 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5706 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5709 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5714 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5715 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5718 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5719 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5720 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5724 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5725 const struct element *rates)
5732 for (i = 0; i < rates->datalen; i++) {
5733 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5734 params->ht_required = true;
5735 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5736 params->vht_required = true;
5737 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5738 params->he_required = true;
5739 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5740 params->sae_h2e_required = true;
5745 * Since the nl80211 API didn't include, from the beginning, attributes about
5746 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5747 * benefit of drivers that rebuild IEs in the firmware.
5749 static int nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5751 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5752 size_t ies_len = bcn->tail_len;
5753 const u8 *ies = bcn->tail;
5754 const struct element *rates;
5755 const struct element *cap;
5757 rates = cfg80211_find_elem(WLAN_EID_SUPP_RATES, ies, ies_len);
5758 nl80211_check_ap_rate_selectors(params, rates);
5760 rates = cfg80211_find_elem(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5761 nl80211_check_ap_rate_selectors(params, rates);
5763 cap = cfg80211_find_elem(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5764 if (cap && cap->datalen >= sizeof(*params->ht_cap))
5765 params->ht_cap = (void *)cap->data;
5766 cap = cfg80211_find_elem(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5767 if (cap && cap->datalen >= sizeof(*params->vht_cap))
5768 params->vht_cap = (void *)cap->data;
5769 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5770 if (cap && cap->datalen >= sizeof(*params->he_cap) + 1)
5771 params->he_cap = (void *)(cap->data + 1);
5772 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5773 if (cap && cap->datalen >= sizeof(*params->he_oper) + 1)
5774 params->he_oper = (void *)(cap->data + 1);
5775 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_CAPABILITY, ies, ies_len);
5779 params->eht_cap = (void *)(cap->data + 1);
5780 if (!ieee80211_eht_capa_size_ok((const u8 *)params->he_cap,
5781 (const u8 *)params->eht_cap,
5782 cap->datalen - 1, true))
5785 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_OPERATION, ies, ies_len);
5789 params->eht_oper = (void *)(cap->data + 1);
5790 if (!ieee80211_eht_oper_size_ok((const u8 *)params->eht_oper,
5797 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5798 struct cfg80211_ap_settings *params)
5800 struct wireless_dev *wdev;
5802 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5803 if (wdev->iftype != NL80211_IFTYPE_AP &&
5804 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5807 if (!wdev->u.ap.preset_chandef.chan)
5810 params->chandef = wdev->u.ap.preset_chandef;
5817 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5818 enum nl80211_auth_type auth_type,
5819 enum nl80211_commands cmd)
5821 if (auth_type > NL80211_AUTHTYPE_MAX)
5825 case NL80211_CMD_AUTHENTICATE:
5826 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5827 auth_type == NL80211_AUTHTYPE_SAE)
5829 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5830 NL80211_EXT_FEATURE_FILS_STA) &&
5831 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5832 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5833 auth_type == NL80211_AUTHTYPE_FILS_PK))
5836 case NL80211_CMD_CONNECT:
5837 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5838 !wiphy_ext_feature_isset(&rdev->wiphy,
5839 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5840 auth_type == NL80211_AUTHTYPE_SAE)
5843 /* FILS with SK PFS or PK not supported yet */
5844 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5845 auth_type == NL80211_AUTHTYPE_FILS_PK)
5847 if (!wiphy_ext_feature_isset(
5849 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5850 auth_type == NL80211_AUTHTYPE_FILS_SK)
5853 case NL80211_CMD_START_AP:
5854 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5855 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5856 auth_type == NL80211_AUTHTYPE_SAE)
5858 /* FILS not supported yet */
5859 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5860 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5861 auth_type == NL80211_AUTHTYPE_FILS_PK)
5869 static void nl80211_send_ap_started(struct wireless_dev *wdev,
5870 unsigned int link_id)
5872 struct wiphy *wiphy = wdev->wiphy;
5873 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5874 struct sk_buff *msg;
5877 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5881 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_START_AP);
5885 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
5886 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
5887 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
5888 NL80211_ATTR_PAD) ||
5889 (wdev->u.ap.ssid_len &&
5890 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
5891 wdev->u.ap.ssid)) ||
5892 (wdev->valid_links &&
5893 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)))
5896 genlmsg_end(msg, hdr);
5898 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
5899 NL80211_MCGRP_MLME, GFP_KERNEL);
5905 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5907 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5908 unsigned int link_id = nl80211_link_id(info->attrs);
5909 struct net_device *dev = info->user_ptr[1];
5910 struct wireless_dev *wdev = dev->ieee80211_ptr;
5911 struct cfg80211_ap_settings *params;
5914 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5915 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5918 if (!rdev->ops->start_ap)
5921 if (wdev->links[link_id].ap.beacon_interval)
5924 /* these are required for START_AP */
5925 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5926 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5927 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5930 params = kzalloc(sizeof(*params), GFP_KERNEL);
5934 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms->beacon,
5939 params->beacon_interval =
5940 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5941 params->dtim_period =
5942 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5944 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5945 params->beacon_interval);
5950 * In theory, some of these attributes should be required here
5951 * but since they were not used when the command was originally
5952 * added, keep them optional for old user space programs to let
5953 * them continue to work with drivers that do not need the
5954 * additional information -- drivers must check!
5956 if (info->attrs[NL80211_ATTR_SSID]) {
5957 params->ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5959 nla_len(info->attrs[NL80211_ATTR_SSID]);
5960 if (params->ssid_len == 0) {
5965 if (wdev->u.ap.ssid_len &&
5966 (wdev->u.ap.ssid_len != params->ssid_len ||
5967 memcmp(wdev->u.ap.ssid, params->ssid, params->ssid_len))) {
5968 /* require identical SSID for MLO */
5972 } else if (wdev->valid_links) {
5973 /* require SSID for MLO */
5978 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
5979 params->hidden_ssid = nla_get_u32(
5980 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
5982 params->privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5984 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5985 params->auth_type = nla_get_u32(
5986 info->attrs[NL80211_ATTR_AUTH_TYPE]);
5987 if (!nl80211_valid_auth_type(rdev, params->auth_type,
5988 NL80211_CMD_START_AP)) {
5993 params->auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5995 err = nl80211_crypto_settings(rdev, info, ¶ms->crypto,
5996 NL80211_MAX_NR_CIPHER_SUITES);
6000 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
6001 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) {
6005 params->inactivity_timeout = nla_get_u16(
6006 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
6009 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6010 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6014 params->p2p_ctwindow =
6015 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
6016 if (params->p2p_ctwindow != 0 &&
6017 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) {
6023 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6026 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6030 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
6031 params->p2p_opp_ps = tmp;
6032 if (params->p2p_opp_ps != 0 &&
6033 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) {
6039 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
6040 err = nl80211_parse_chandef(rdev, info, ¶ms->chandef);
6043 } else if (wdev->valid_links) {
6044 /* with MLD need to specify the channel configuration */
6047 } else if (wdev->u.ap.preset_chandef.chan) {
6048 params->chandef = wdev->u.ap.preset_chandef;
6049 } else if (!nl80211_get_ap_channel(rdev, params)) {
6054 if (info->attrs[NL80211_ATTR_PUNCT_BITMAP]) {
6055 err = nl80211_parse_punct_bitmap(rdev, info,
6057 ¶ms->punct_bitmap);
6062 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms->chandef,
6070 if (info->attrs[NL80211_ATTR_TX_RATES]) {
6071 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
6072 NL80211_ATTR_TX_RATES,
6073 ¶ms->beacon_rate,
6074 dev, false, link_id);
6078 err = validate_beacon_tx_rate(rdev, params->chandef.chan->band,
6079 ¶ms->beacon_rate);
6084 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
6086 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
6087 switch (params->smps_mode) {
6088 case NL80211_SMPS_OFF:
6090 case NL80211_SMPS_STATIC:
6091 if (!(rdev->wiphy.features &
6092 NL80211_FEATURE_STATIC_SMPS)) {
6097 case NL80211_SMPS_DYNAMIC:
6098 if (!(rdev->wiphy.features &
6099 NL80211_FEATURE_DYNAMIC_SMPS)) {
6109 params->smps_mode = NL80211_SMPS_OFF;
6112 params->pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
6113 if (params->pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
6118 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
6119 params->acl = parse_acl_data(&rdev->wiphy, info);
6120 if (IS_ERR(params->acl)) {
6121 err = PTR_ERR(params->acl);
6127 params->twt_responder =
6128 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
6130 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
6131 err = nl80211_parse_he_obss_pd(
6132 info->attrs[NL80211_ATTR_HE_OBSS_PD],
6133 ¶ms->he_obss_pd);
6138 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
6139 err = nl80211_parse_fils_discovery(rdev,
6140 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
6146 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
6147 err = nl80211_parse_unsol_bcast_probe_resp(
6148 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
6154 if (info->attrs[NL80211_ATTR_MBSSID_CONFIG]) {
6155 err = nl80211_parse_mbssid_config(&rdev->wiphy, dev,
6156 info->attrs[NL80211_ATTR_MBSSID_CONFIG],
6157 ¶ms->mbssid_config,
6158 params->beacon.mbssid_ies ?
6159 params->beacon.mbssid_ies->cnt :
6165 if (!params->mbssid_config.ema && params->beacon.rnr_ies) {
6170 err = nl80211_calculate_ap_params(params);
6174 if (info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS])
6175 params->flags = nla_get_u32(
6176 info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS]);
6177 else if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
6178 params->flags |= NL80211_AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
6180 if (wdev->conn_owner_nlportid &&
6181 info->attrs[NL80211_ATTR_SOCKET_OWNER] &&
6182 wdev->conn_owner_nlportid != info->snd_portid) {
6187 /* FIXME: validate MLO/link-id against driver capabilities */
6189 err = rdev_start_ap(rdev, dev, params);
6191 wdev->links[link_id].ap.beacon_interval = params->beacon_interval;
6192 wdev->links[link_id].ap.chandef = params->chandef;
6193 wdev->u.ap.ssid_len = params->ssid_len;
6194 memcpy(wdev->u.ap.ssid, params->ssid,
6197 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
6198 wdev->conn_owner_nlportid = info->snd_portid;
6200 nl80211_send_ap_started(wdev, link_id);
6206 kfree(params->beacon.mbssid_ies);
6207 if (params->mbssid_config.tx_wdev &&
6208 params->mbssid_config.tx_wdev->netdev &&
6209 params->mbssid_config.tx_wdev->netdev != dev)
6210 dev_put(params->mbssid_config.tx_wdev->netdev);
6211 kfree(params->beacon.rnr_ies);
6217 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
6219 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6220 unsigned int link_id = nl80211_link_id(info->attrs);
6221 struct net_device *dev = info->user_ptr[1];
6222 struct wireless_dev *wdev = dev->ieee80211_ptr;
6223 struct cfg80211_beacon_data params;
6226 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6227 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6230 if (!rdev->ops->change_beacon)
6233 if (!wdev->links[link_id].ap.beacon_interval)
6236 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms, info->extack);
6241 err = rdev_change_beacon(rdev, dev, ¶ms);
6245 kfree(params.mbssid_ies);
6246 kfree(params.rnr_ies);
6250 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
6252 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6253 unsigned int link_id = nl80211_link_id(info->attrs);
6254 struct net_device *dev = info->user_ptr[1];
6256 return cfg80211_stop_ap(rdev, dev, link_id, false);
6259 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
6260 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
6261 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
6262 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
6263 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
6264 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
6265 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
6268 static int parse_station_flags(struct genl_info *info,
6269 enum nl80211_iftype iftype,
6270 struct station_parameters *params)
6272 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
6277 * Try parsing the new attribute first so userspace
6278 * can specify both for older kernels.
6280 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
6282 struct nl80211_sta_flag_update *sta_flags;
6284 sta_flags = nla_data(nla);
6285 params->sta_flags_mask = sta_flags->mask;
6286 params->sta_flags_set = sta_flags->set;
6287 params->sta_flags_set &= params->sta_flags_mask;
6288 if ((params->sta_flags_mask |
6289 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
6294 /* if present, parse the old attribute */
6296 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
6300 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
6304 * Only allow certain flags for interface types so that
6305 * other attributes are silently ignored. Remember that
6306 * this is backward compatibility code with old userspace
6307 * and shouldn't be hit in other cases anyway.
6310 case NL80211_IFTYPE_AP:
6311 case NL80211_IFTYPE_AP_VLAN:
6312 case NL80211_IFTYPE_P2P_GO:
6313 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6314 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6315 BIT(NL80211_STA_FLAG_WME) |
6316 BIT(NL80211_STA_FLAG_MFP);
6318 case NL80211_IFTYPE_P2P_CLIENT:
6319 case NL80211_IFTYPE_STATION:
6320 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6321 BIT(NL80211_STA_FLAG_TDLS_PEER);
6323 case NL80211_IFTYPE_MESH_POINT:
6324 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6325 BIT(NL80211_STA_FLAG_MFP) |
6326 BIT(NL80211_STA_FLAG_AUTHORIZED);
6332 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
6334 params->sta_flags_set |= (1<<flag);
6336 /* no longer support new API additions in old API */
6337 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
6345 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
6347 struct nlattr *rate;
6350 enum nl80211_rate_info rate_flg;
6352 rate = nla_nest_start_noflag(msg, attr);
6356 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
6357 bitrate = cfg80211_calculate_bitrate(info);
6358 /* report 16-bit bitrate only if we can */
6359 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
6361 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
6363 if (bitrate_compat > 0 &&
6364 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
6368 case RATE_INFO_BW_5:
6369 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
6371 case RATE_INFO_BW_10:
6372 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
6377 case RATE_INFO_BW_20:
6380 case RATE_INFO_BW_40:
6381 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
6383 case RATE_INFO_BW_80:
6384 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
6386 case RATE_INFO_BW_160:
6387 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
6389 case RATE_INFO_BW_HE_RU:
6391 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
6393 case RATE_INFO_BW_320:
6394 rate_flg = NL80211_RATE_INFO_320_MHZ_WIDTH;
6396 case RATE_INFO_BW_EHT_RU:
6398 WARN_ON(!(info->flags & RATE_INFO_FLAGS_EHT_MCS));
6402 if (rate_flg && nla_put_flag(msg, rate_flg))
6405 if (info->flags & RATE_INFO_FLAGS_MCS) {
6406 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
6408 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6409 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6411 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
6412 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
6414 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
6416 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6417 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6419 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
6420 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
6422 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
6424 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
6426 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
6428 if (info->bw == RATE_INFO_BW_HE_RU &&
6429 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
6432 } else if (info->flags & RATE_INFO_FLAGS_EHT_MCS) {
6433 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_MCS, info->mcs))
6435 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_NSS, info->nss))
6437 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_GI, info->eht_gi))
6439 if (info->bw == RATE_INFO_BW_EHT_RU &&
6440 nla_put_u8(msg, NL80211_RATE_INFO_EHT_RU_ALLOC,
6441 info->eht_ru_alloc))
6445 nla_nest_end(msg, rate);
6449 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
6458 attr = nla_nest_start_noflag(msg, id);
6462 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
6463 if (!(mask & BIT(i)))
6466 if (nla_put_u8(msg, i, signal[i]))
6470 nla_nest_end(msg, attr);
6475 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
6477 struct cfg80211_registered_device *rdev,
6478 struct net_device *dev,
6479 const u8 *mac_addr, struct station_info *sinfo)
6482 struct nlattr *sinfoattr, *bss_param;
6484 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
6486 cfg80211_sinfo_release_content(sinfo);
6490 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6491 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
6492 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
6493 goto nla_put_failure;
6495 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
6497 goto nla_put_failure;
6499 #define PUT_SINFO(attr, memb, type) do { \
6500 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
6501 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6502 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
6504 goto nla_put_failure; \
6506 #define PUT_SINFO_U64(attr, memb) do { \
6507 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6508 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
6509 sinfo->memb, NL80211_STA_INFO_PAD)) \
6510 goto nla_put_failure; \
6513 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
6514 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
6515 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
6517 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
6518 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
6519 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
6520 (u32)sinfo->rx_bytes))
6521 goto nla_put_failure;
6523 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
6524 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
6525 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
6526 (u32)sinfo->tx_bytes))
6527 goto nla_put_failure;
6529 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
6530 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
6531 PUT_SINFO(LLID, llid, u16);
6532 PUT_SINFO(PLID, plid, u16);
6533 PUT_SINFO(PLINK_STATE, plink_state, u8);
6534 PUT_SINFO_U64(RX_DURATION, rx_duration);
6535 PUT_SINFO_U64(TX_DURATION, tx_duration);
6537 if (wiphy_ext_feature_isset(&rdev->wiphy,
6538 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6539 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
6541 switch (rdev->wiphy.signal_type) {
6542 case CFG80211_SIGNAL_TYPE_MBM:
6543 PUT_SINFO(SIGNAL, signal, u8);
6544 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
6549 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
6550 if (!nl80211_put_signal(msg, sinfo->chains,
6551 sinfo->chain_signal,
6552 NL80211_STA_INFO_CHAIN_SIGNAL))
6553 goto nla_put_failure;
6555 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
6556 if (!nl80211_put_signal(msg, sinfo->chains,
6557 sinfo->chain_signal_avg,
6558 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
6559 goto nla_put_failure;
6561 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
6562 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
6563 NL80211_STA_INFO_TX_BITRATE))
6564 goto nla_put_failure;
6566 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
6567 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
6568 NL80211_STA_INFO_RX_BITRATE))
6569 goto nla_put_failure;
6572 PUT_SINFO(RX_PACKETS, rx_packets, u32);
6573 PUT_SINFO(TX_PACKETS, tx_packets, u32);
6574 PUT_SINFO(TX_RETRIES, tx_retries, u32);
6575 PUT_SINFO(TX_FAILED, tx_failed, u32);
6576 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
6577 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
6578 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
6579 PUT_SINFO(LOCAL_PM, local_pm, u32);
6580 PUT_SINFO(PEER_PM, peer_pm, u32);
6581 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
6582 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
6583 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
6585 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
6586 bss_param = nla_nest_start_noflag(msg,
6587 NL80211_STA_INFO_BSS_PARAM);
6589 goto nla_put_failure;
6591 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
6592 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
6593 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
6594 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
6595 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
6596 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
6597 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
6598 sinfo->bss_param.dtim_period) ||
6599 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
6600 sinfo->bss_param.beacon_interval))
6601 goto nla_put_failure;
6603 nla_nest_end(msg, bss_param);
6605 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
6606 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
6607 sizeof(struct nl80211_sta_flag_update),
6609 goto nla_put_failure;
6611 PUT_SINFO_U64(T_OFFSET, t_offset);
6612 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
6613 PUT_SINFO_U64(BEACON_RX, rx_beacon);
6614 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
6615 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
6616 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
6617 if (wiphy_ext_feature_isset(&rdev->wiphy,
6618 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
6619 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
6620 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
6624 #undef PUT_SINFO_U64
6626 if (sinfo->pertid) {
6627 struct nlattr *tidsattr;
6630 tidsattr = nla_nest_start_noflag(msg,
6631 NL80211_STA_INFO_TID_STATS);
6633 goto nla_put_failure;
6635 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
6636 struct cfg80211_tid_stats *tidstats;
6637 struct nlattr *tidattr;
6639 tidstats = &sinfo->pertid[tid];
6641 if (!tidstats->filled)
6644 tidattr = nla_nest_start_noflag(msg, tid + 1);
6646 goto nla_put_failure;
6648 #define PUT_TIDVAL_U64(attr, memb) do { \
6649 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
6650 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
6651 tidstats->memb, NL80211_TID_STATS_PAD)) \
6652 goto nla_put_failure; \
6655 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
6656 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
6657 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
6658 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6660 #undef PUT_TIDVAL_U64
6661 if ((tidstats->filled &
6662 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
6663 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
6664 NL80211_TID_STATS_TXQ_STATS))
6665 goto nla_put_failure;
6667 nla_nest_end(msg, tidattr);
6670 nla_nest_end(msg, tidsattr);
6673 nla_nest_end(msg, sinfoattr);
6675 if (sinfo->assoc_req_ies_len &&
6676 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
6677 sinfo->assoc_req_ies))
6678 goto nla_put_failure;
6680 if (sinfo->assoc_resp_ies_len &&
6681 nla_put(msg, NL80211_ATTR_RESP_IE, sinfo->assoc_resp_ies_len,
6682 sinfo->assoc_resp_ies))
6683 goto nla_put_failure;
6685 if (sinfo->mlo_params_valid) {
6686 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
6687 sinfo->assoc_link_id))
6688 goto nla_put_failure;
6690 if (!is_zero_ether_addr(sinfo->mld_addr) &&
6691 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
6693 goto nla_put_failure;
6696 cfg80211_sinfo_release_content(sinfo);
6697 genlmsg_end(msg, hdr);
6701 cfg80211_sinfo_release_content(sinfo);
6702 genlmsg_cancel(msg, hdr);
6706 static int nl80211_dump_station(struct sk_buff *skb,
6707 struct netlink_callback *cb)
6709 struct station_info sinfo;
6710 struct cfg80211_registered_device *rdev;
6711 struct wireless_dev *wdev;
6712 u8 mac_addr[ETH_ALEN];
6713 int sta_idx = cb->args[2];
6716 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
6719 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6720 __acquire(&rdev->wiphy.mtx);
6722 if (!wdev->netdev) {
6727 if (!rdev->ops->dump_station) {
6733 memset(&sinfo, 0, sizeof(sinfo));
6734 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
6741 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
6742 NETLINK_CB(cb->skb).portid,
6743 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6744 rdev, wdev->netdev, mac_addr,
6752 cb->args[2] = sta_idx;
6755 wiphy_unlock(&rdev->wiphy);
6760 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6762 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6763 struct net_device *dev = info->user_ptr[1];
6764 struct station_info sinfo;
6765 struct sk_buff *msg;
6766 u8 *mac_addr = NULL;
6769 memset(&sinfo, 0, sizeof(sinfo));
6771 if (!info->attrs[NL80211_ATTR_MAC])
6774 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6776 if (!rdev->ops->get_station)
6779 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
6783 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6785 cfg80211_sinfo_release_content(&sinfo);
6789 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6790 info->snd_portid, info->snd_seq, 0,
6791 rdev, dev, mac_addr, &sinfo) < 0) {
6796 return genlmsg_reply(msg, info);
6799 int cfg80211_check_station_change(struct wiphy *wiphy,
6800 struct station_parameters *params,
6801 enum cfg80211_station_type statype)
6803 if (params->listen_interval != -1 &&
6804 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6807 if (params->support_p2p_ps != -1 &&
6808 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6812 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6813 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6816 /* When you run into this, adjust the code below for the new flag */
6817 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6820 case CFG80211_STA_MESH_PEER_KERNEL:
6821 case CFG80211_STA_MESH_PEER_USER:
6823 * No ignoring the TDLS flag here -- the userspace mesh
6824 * code doesn't have the bug of including TDLS in the
6827 if (params->sta_flags_mask &
6828 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6829 BIT(NL80211_STA_FLAG_MFP) |
6830 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6833 case CFG80211_STA_TDLS_PEER_SETUP:
6834 case CFG80211_STA_TDLS_PEER_ACTIVE:
6835 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6837 /* ignore since it can't change */
6838 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6841 /* disallow mesh-specific things */
6842 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6844 if (params->local_pm)
6846 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6850 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6851 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6852 /* TDLS can't be set, ... */
6853 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6856 * ... but don't bother the driver with it. This works around
6857 * a hostapd/wpa_supplicant issue -- it always includes the
6858 * TLDS_PEER flag in the mask even for AP mode.
6860 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6863 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6864 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6865 /* reject other things that can't change */
6866 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6868 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6870 if (params->link_sta_params.supported_rates)
6872 if (params->ext_capab || params->link_sta_params.ht_capa ||
6873 params->link_sta_params.vht_capa ||
6874 params->link_sta_params.he_capa ||
6875 params->link_sta_params.eht_capa)
6879 if (statype != CFG80211_STA_AP_CLIENT &&
6880 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6886 case CFG80211_STA_AP_MLME_CLIENT:
6887 /* Use this only for authorizing/unauthorizing a station */
6888 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6891 case CFG80211_STA_AP_CLIENT:
6892 case CFG80211_STA_AP_CLIENT_UNASSOC:
6893 /* accept only the listed bits */
6894 if (params->sta_flags_mask &
6895 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6896 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6897 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6898 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6899 BIT(NL80211_STA_FLAG_WME) |
6900 BIT(NL80211_STA_FLAG_MFP)))
6903 /* but authenticated/associated only if driver handles it */
6904 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6905 params->sta_flags_mask &
6906 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6907 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6910 case CFG80211_STA_IBSS:
6911 case CFG80211_STA_AP_STA:
6912 /* reject any changes other than AUTHORIZED */
6913 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6916 case CFG80211_STA_TDLS_PEER_SETUP:
6917 /* reject any changes other than AUTHORIZED or WME */
6918 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6919 BIT(NL80211_STA_FLAG_WME)))
6921 /* force (at least) rates when authorizing */
6922 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6923 !params->link_sta_params.supported_rates)
6926 case CFG80211_STA_TDLS_PEER_ACTIVE:
6927 /* reject any changes */
6929 case CFG80211_STA_MESH_PEER_KERNEL:
6930 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6933 case CFG80211_STA_MESH_PEER_USER:
6934 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6935 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
6941 * Older kernel versions ignored this attribute entirely, so don't
6942 * reject attempts to update it but mark it as unused instead so the
6943 * driver won't look at the data.
6945 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6946 statype != CFG80211_STA_TDLS_PEER_SETUP)
6947 params->link_sta_params.opmode_notif_used = false;
6951 EXPORT_SYMBOL(cfg80211_check_station_change);
6954 * Get vlan interface making sure it is running and on the right wiphy.
6956 static struct net_device *get_vlan(struct genl_info *info,
6957 struct cfg80211_registered_device *rdev)
6959 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
6960 struct net_device *v;
6966 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6968 return ERR_PTR(-ENODEV);
6970 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6975 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6976 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6977 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6982 if (!netif_running(v)) {
6990 return ERR_PTR(ret);
6993 static int nl80211_parse_sta_wme(struct genl_info *info,
6994 struct station_parameters *params)
6996 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
7000 /* parse WME attributes if present */
7001 if (!info->attrs[NL80211_ATTR_STA_WME])
7004 nla = info->attrs[NL80211_ATTR_STA_WME];
7005 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
7006 nl80211_sta_wme_policy,
7011 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
7012 params->uapsd_queues = nla_get_u8(
7013 tb[NL80211_STA_WME_UAPSD_QUEUES]);
7014 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
7017 if (tb[NL80211_STA_WME_MAX_SP])
7018 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
7020 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
7023 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
7028 static int nl80211_parse_sta_channel_info(struct genl_info *info,
7029 struct station_parameters *params)
7031 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
7032 params->supported_channels =
7033 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
7034 params->supported_channels_len =
7035 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
7037 * Need to include at least one (first channel, number of
7038 * channels) tuple for each subband (checked in policy),
7039 * and must have proper tuples for the rest of the data as well.
7041 if (params->supported_channels_len % 2)
7045 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
7046 params->supported_oper_classes =
7047 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
7048 params->supported_oper_classes_len =
7049 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
7054 static int nl80211_set_station_tdls(struct genl_info *info,
7055 struct station_parameters *params)
7058 /* Dummy STA entry gets updated once the peer capabilities are known */
7059 if (info->attrs[NL80211_ATTR_PEER_AID])
7060 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
7061 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
7062 params->link_sta_params.ht_capa =
7063 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
7064 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
7065 params->link_sta_params.vht_capa =
7066 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
7067 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
7068 params->link_sta_params.he_capa =
7069 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7070 params->link_sta_params.he_capa_len =
7071 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7073 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
7074 params->link_sta_params.eht_capa =
7075 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7076 params->link_sta_params.eht_capa_len =
7077 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7079 if (!ieee80211_eht_capa_size_ok((const u8 *)params->link_sta_params.he_capa,
7080 (const u8 *)params->link_sta_params.eht_capa,
7081 params->link_sta_params.eht_capa_len,
7087 err = nl80211_parse_sta_channel_info(info, params);
7091 return nl80211_parse_sta_wme(info, params);
7094 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
7095 struct sta_txpwr *txpwr,
7098 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7101 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
7102 if (!rdev->ops->set_tx_power ||
7103 !wiphy_ext_feature_isset(&rdev->wiphy,
7104 NL80211_EXT_FEATURE_STA_TX_PWR))
7107 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
7108 txpwr->type = nla_get_u8(info->attrs[idx]);
7110 if (txpwr->type == NL80211_TX_POWER_LIMITED) {
7111 idx = NL80211_ATTR_STA_TX_POWER;
7113 if (info->attrs[idx])
7114 txpwr->power = nla_get_s16(info->attrs[idx]);
7127 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
7129 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7130 struct net_device *dev = info->user_ptr[1];
7131 struct station_parameters params;
7135 memset(¶ms, 0, sizeof(params));
7137 if (!rdev->ops->change_station)
7141 * AID and listen_interval properties can be set only for unassociated
7142 * station. Include these parameters here and will check them in
7143 * cfg80211_check_station_change().
7145 if (info->attrs[NL80211_ATTR_STA_AID])
7146 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
7148 if (info->attrs[NL80211_ATTR_VLAN_ID])
7149 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7151 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7152 params.listen_interval =
7153 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
7155 params.listen_interval = -1;
7157 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
7158 params.support_p2p_ps =
7159 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
7161 params.support_p2p_ps = -1;
7163 if (!info->attrs[NL80211_ATTR_MAC])
7166 params.link_sta_params.link_id =
7167 nl80211_link_id_or_invalid(info->attrs);
7169 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7170 /* If MLD_ADDR attribute is set then this is an MLD station
7171 * and the MLD_ADDR attribute holds the MLD address and the
7172 * MAC attribute holds for the LINK address.
7173 * In that case, the link_id is also expected to be valid.
7175 if (params.link_sta_params.link_id < 0)
7178 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7179 params.link_sta_params.mld_mac = mac_addr;
7180 params.link_sta_params.link_mac =
7181 nla_data(info->attrs[NL80211_ATTR_MAC]);
7182 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7185 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7189 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
7190 params.link_sta_params.supported_rates =
7191 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7192 params.link_sta_params.supported_rates_len =
7193 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7196 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7198 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7199 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7202 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7204 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7205 params.ext_capab_len =
7206 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7209 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
7212 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
7213 params.plink_action =
7214 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
7216 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
7217 params.plink_state =
7218 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
7219 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7220 params.peer_aid = nla_get_u16(
7221 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
7222 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
7225 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
7226 params.local_pm = nla_get_u32(
7227 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
7229 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
7230 params.link_sta_params.opmode_notif_used = true;
7231 params.link_sta_params.opmode_notif =
7232 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7235 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
7236 params.link_sta_params.he_6ghz_capa =
7237 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7239 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7240 params.airtime_weight =
7241 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7243 if (params.airtime_weight &&
7244 !wiphy_ext_feature_isset(&rdev->wiphy,
7245 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7248 err = nl80211_parse_sta_txpower_setting(info,
7249 ¶ms.link_sta_params.txpwr,
7250 ¶ms.link_sta_params.txpwr_set);
7254 /* Include parameters for TDLS peer (will check later) */
7255 err = nl80211_set_station_tdls(info, ¶ms);
7259 params.vlan = get_vlan(info, rdev);
7260 if (IS_ERR(params.vlan))
7261 return PTR_ERR(params.vlan);
7263 switch (dev->ieee80211_ptr->iftype) {
7264 case NL80211_IFTYPE_AP:
7265 case NL80211_IFTYPE_AP_VLAN:
7266 case NL80211_IFTYPE_P2P_GO:
7267 case NL80211_IFTYPE_P2P_CLIENT:
7268 case NL80211_IFTYPE_STATION:
7269 case NL80211_IFTYPE_ADHOC:
7270 case NL80211_IFTYPE_MESH_POINT:
7277 /* driver will call cfg80211_check_station_change() */
7278 wdev_lock(dev->ieee80211_ptr);
7279 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
7280 wdev_unlock(dev->ieee80211_ptr);
7283 dev_put(params.vlan);
7288 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
7290 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7292 struct net_device *dev = info->user_ptr[1];
7293 struct wireless_dev *wdev = dev->ieee80211_ptr;
7294 struct station_parameters params;
7295 u8 *mac_addr = NULL;
7296 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
7297 BIT(NL80211_STA_FLAG_ASSOCIATED);
7299 memset(¶ms, 0, sizeof(params));
7301 if (!rdev->ops->add_station)
7304 if (!info->attrs[NL80211_ATTR_MAC])
7307 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7310 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
7313 if (!info->attrs[NL80211_ATTR_STA_AID] &&
7314 !info->attrs[NL80211_ATTR_PEER_AID])
7317 params.link_sta_params.link_id =
7318 nl80211_link_id_or_invalid(info->attrs);
7320 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7321 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7322 params.link_sta_params.mld_mac = mac_addr;
7323 params.link_sta_params.link_mac =
7324 nla_data(info->attrs[NL80211_ATTR_MAC]);
7325 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7328 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7331 params.link_sta_params.supported_rates =
7332 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7333 params.link_sta_params.supported_rates_len =
7334 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7335 params.listen_interval =
7336 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
7338 if (info->attrs[NL80211_ATTR_VLAN_ID])
7339 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7341 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
7342 params.support_p2p_ps =
7343 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
7346 * if not specified, assume it's supported for P2P GO interface,
7347 * and is NOT supported for AP interface
7349 params.support_p2p_ps =
7350 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
7353 if (info->attrs[NL80211_ATTR_PEER_AID])
7354 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
7356 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
7358 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7360 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7361 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7364 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7366 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7367 params.ext_capab_len =
7368 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7371 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
7372 params.link_sta_params.ht_capa =
7373 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
7375 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
7376 params.link_sta_params.vht_capa =
7377 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
7379 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
7380 params.link_sta_params.he_capa =
7381 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7382 params.link_sta_params.he_capa_len =
7383 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7385 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
7386 params.link_sta_params.eht_capa =
7387 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7388 params.link_sta_params.eht_capa_len =
7389 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7391 if (!ieee80211_eht_capa_size_ok((const u8 *)params.link_sta_params.he_capa,
7392 (const u8 *)params.link_sta_params.eht_capa,
7393 params.link_sta_params.eht_capa_len,
7399 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
7400 params.link_sta_params.he_6ghz_capa =
7401 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7403 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
7404 params.link_sta_params.opmode_notif_used = true;
7405 params.link_sta_params.opmode_notif =
7406 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7409 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
7410 params.plink_action =
7411 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
7413 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7414 params.airtime_weight =
7415 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7417 if (params.airtime_weight &&
7418 !wiphy_ext_feature_isset(&rdev->wiphy,
7419 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7422 err = nl80211_parse_sta_txpower_setting(info,
7423 ¶ms.link_sta_params.txpwr,
7424 ¶ms.link_sta_params.txpwr_set);
7428 err = nl80211_parse_sta_channel_info(info, ¶ms);
7432 err = nl80211_parse_sta_wme(info, ¶ms);
7436 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
7439 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
7440 * as userspace might just pass through the capabilities from the IEs
7441 * directly, rather than enforcing this restriction and returning an
7442 * error in this case.
7444 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
7445 params.link_sta_params.ht_capa = NULL;
7446 params.link_sta_params.vht_capa = NULL;
7448 /* HE and EHT require WME */
7449 if (params.link_sta_params.he_capa_len ||
7450 params.link_sta_params.he_6ghz_capa ||
7451 params.link_sta_params.eht_capa_len)
7455 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
7456 if (params.link_sta_params.he_6ghz_capa &&
7457 (params.link_sta_params.ht_capa || params.link_sta_params.vht_capa))
7460 /* When you run into this, adjust the code below for the new flag */
7461 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
7463 switch (dev->ieee80211_ptr->iftype) {
7464 case NL80211_IFTYPE_AP:
7465 case NL80211_IFTYPE_AP_VLAN:
7466 case NL80211_IFTYPE_P2P_GO:
7467 /* ignore WME attributes if iface/sta is not capable */
7468 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
7469 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
7470 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7472 /* TDLS peers cannot be added */
7473 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7474 info->attrs[NL80211_ATTR_PEER_AID])
7476 /* but don't bother the driver with it */
7477 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
7479 /* allow authenticated/associated only if driver handles it */
7480 if (!(rdev->wiphy.features &
7481 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
7482 params.sta_flags_mask & auth_assoc)
7485 /* Older userspace, or userspace wanting to be compatible with
7486 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
7487 * and assoc flags in the mask, but assumes the station will be
7488 * added as associated anyway since this was the required driver
7489 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
7491 * In order to not bother drivers with this quirk in the API
7492 * set the flags in both the mask and set for new stations in
7495 if (!(params.sta_flags_mask & auth_assoc)) {
7496 params.sta_flags_mask |= auth_assoc;
7497 params.sta_flags_set |= auth_assoc;
7500 /* must be last in here for error handling */
7501 params.vlan = get_vlan(info, rdev);
7502 if (IS_ERR(params.vlan))
7503 return PTR_ERR(params.vlan);
7505 case NL80211_IFTYPE_MESH_POINT:
7506 /* ignore uAPSD data */
7507 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7509 /* associated is disallowed */
7510 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
7512 /* TDLS peers cannot be added */
7513 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7514 info->attrs[NL80211_ATTR_PEER_AID])
7517 case NL80211_IFTYPE_STATION:
7518 case NL80211_IFTYPE_P2P_CLIENT:
7519 /* ignore uAPSD data */
7520 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7522 /* these are disallowed */
7523 if (params.sta_flags_mask &
7524 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
7525 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
7527 /* Only TDLS peers can be added */
7528 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
7530 /* Can only add if TDLS ... */
7531 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
7533 /* ... with external setup is supported */
7534 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
7537 * Older wpa_supplicant versions always mark the TDLS peer
7538 * as authorized, but it shouldn't yet be.
7540 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
7546 /* be aware of params.vlan when changing code here */
7548 wdev_lock(dev->ieee80211_ptr);
7549 if (wdev->valid_links) {
7550 if (params.link_sta_params.link_id < 0) {
7554 if (!(wdev->valid_links & BIT(params.link_sta_params.link_id))) {
7559 if (params.link_sta_params.link_id >= 0) {
7564 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
7566 wdev_unlock(dev->ieee80211_ptr);
7567 dev_put(params.vlan);
7571 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
7573 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7574 struct net_device *dev = info->user_ptr[1];
7575 struct station_del_parameters params;
7578 memset(¶ms, 0, sizeof(params));
7580 if (info->attrs[NL80211_ATTR_MAC])
7581 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
7583 switch (dev->ieee80211_ptr->iftype) {
7584 case NL80211_IFTYPE_AP:
7585 case NL80211_IFTYPE_AP_VLAN:
7586 case NL80211_IFTYPE_MESH_POINT:
7587 case NL80211_IFTYPE_P2P_GO:
7588 /* always accept these */
7590 case NL80211_IFTYPE_ADHOC:
7591 /* conditionally accept */
7592 if (wiphy_ext_feature_isset(&rdev->wiphy,
7593 NL80211_EXT_FEATURE_DEL_IBSS_STA))
7600 if (!rdev->ops->del_station)
7603 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
7605 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
7606 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
7607 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
7610 /* Default to Deauthentication frame */
7611 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
7614 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
7615 params.reason_code =
7616 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7617 if (params.reason_code == 0)
7618 return -EINVAL; /* 0 is reserved */
7620 /* Default to reason code 2 */
7621 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
7624 wdev_lock(dev->ieee80211_ptr);
7625 ret = rdev_del_station(rdev, dev, ¶ms);
7626 wdev_unlock(dev->ieee80211_ptr);
7631 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
7632 int flags, struct net_device *dev,
7633 u8 *dst, u8 *next_hop,
7634 struct mpath_info *pinfo)
7637 struct nlattr *pinfoattr;
7639 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
7643 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7644 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7645 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
7646 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
7647 goto nla_put_failure;
7649 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
7651 goto nla_put_failure;
7652 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
7653 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
7655 goto nla_put_failure;
7656 if (((pinfo->filled & MPATH_INFO_SN) &&
7657 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
7658 ((pinfo->filled & MPATH_INFO_METRIC) &&
7659 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
7661 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
7662 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
7664 ((pinfo->filled & MPATH_INFO_FLAGS) &&
7665 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
7667 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
7668 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
7669 pinfo->discovery_timeout)) ||
7670 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
7671 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
7672 pinfo->discovery_retries)) ||
7673 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
7674 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
7675 pinfo->hop_count)) ||
7676 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
7677 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
7678 pinfo->path_change_count)))
7679 goto nla_put_failure;
7681 nla_nest_end(msg, pinfoattr);
7683 genlmsg_end(msg, hdr);
7687 genlmsg_cancel(msg, hdr);
7691 static int nl80211_dump_mpath(struct sk_buff *skb,
7692 struct netlink_callback *cb)
7694 struct mpath_info pinfo;
7695 struct cfg80211_registered_device *rdev;
7696 struct wireless_dev *wdev;
7698 u8 next_hop[ETH_ALEN];
7699 int path_idx = cb->args[2];
7702 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7705 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7706 __acquire(&rdev->wiphy.mtx);
7708 if (!rdev->ops->dump_mpath) {
7713 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7719 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
7726 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7727 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7728 wdev->netdev, dst, next_hop,
7736 cb->args[2] = path_idx;
7739 wiphy_unlock(&rdev->wiphy);
7743 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
7745 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7747 struct net_device *dev = info->user_ptr[1];
7748 struct mpath_info pinfo;
7749 struct sk_buff *msg;
7751 u8 next_hop[ETH_ALEN];
7753 memset(&pinfo, 0, sizeof(pinfo));
7755 if (!info->attrs[NL80211_ATTR_MAC])
7758 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7760 if (!rdev->ops->get_mpath)
7763 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7766 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
7770 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7774 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7775 dev, dst, next_hop, &pinfo) < 0) {
7780 return genlmsg_reply(msg, info);
7783 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
7785 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7786 struct net_device *dev = info->user_ptr[1];
7788 u8 *next_hop = NULL;
7790 if (!info->attrs[NL80211_ATTR_MAC])
7793 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7796 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7797 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7799 if (!rdev->ops->change_mpath)
7802 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7805 return rdev_change_mpath(rdev, dev, dst, next_hop);
7808 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
7810 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7811 struct net_device *dev = info->user_ptr[1];
7813 u8 *next_hop = NULL;
7815 if (!info->attrs[NL80211_ATTR_MAC])
7818 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7821 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7822 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7824 if (!rdev->ops->add_mpath)
7827 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7830 return rdev_add_mpath(rdev, dev, dst, next_hop);
7833 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7835 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7836 struct net_device *dev = info->user_ptr[1];
7839 if (info->attrs[NL80211_ATTR_MAC])
7840 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7842 if (!rdev->ops->del_mpath)
7845 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7848 return rdev_del_mpath(rdev, dev, dst);
7851 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7853 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7855 struct net_device *dev = info->user_ptr[1];
7856 struct mpath_info pinfo;
7857 struct sk_buff *msg;
7861 memset(&pinfo, 0, sizeof(pinfo));
7863 if (!info->attrs[NL80211_ATTR_MAC])
7866 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7868 if (!rdev->ops->get_mpp)
7871 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7874 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7878 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7882 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7883 dev, dst, mpp, &pinfo) < 0) {
7888 return genlmsg_reply(msg, info);
7891 static int nl80211_dump_mpp(struct sk_buff *skb,
7892 struct netlink_callback *cb)
7894 struct mpath_info pinfo;
7895 struct cfg80211_registered_device *rdev;
7896 struct wireless_dev *wdev;
7899 int path_idx = cb->args[2];
7902 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7905 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7906 __acquire(&rdev->wiphy.mtx);
7908 if (!rdev->ops->dump_mpp) {
7913 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7919 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7926 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7927 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7928 wdev->netdev, dst, mpp,
7936 cb->args[2] = path_idx;
7939 wiphy_unlock(&rdev->wiphy);
7943 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7945 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7946 struct net_device *dev = info->user_ptr[1];
7947 struct wireless_dev *wdev = dev->ieee80211_ptr;
7948 struct bss_parameters params;
7951 memset(¶ms, 0, sizeof(params));
7952 params.link_id = nl80211_link_id_or_invalid(info->attrs);
7953 /* default to not changing parameters */
7954 params.use_cts_prot = -1;
7955 params.use_short_preamble = -1;
7956 params.use_short_slot_time = -1;
7957 params.ap_isolate = -1;
7958 params.ht_opmode = -1;
7959 params.p2p_ctwindow = -1;
7960 params.p2p_opp_ps = -1;
7962 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7963 params.use_cts_prot =
7964 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7965 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7966 params.use_short_preamble =
7967 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7968 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7969 params.use_short_slot_time =
7970 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
7971 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7972 params.basic_rates =
7973 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7974 params.basic_rates_len =
7975 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7977 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7978 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
7979 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7981 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
7983 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7984 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7986 params.p2p_ctwindow =
7987 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
7988 if (params.p2p_ctwindow != 0 &&
7989 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7993 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7996 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7998 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
7999 params.p2p_opp_ps = tmp;
8000 if (params.p2p_opp_ps &&
8001 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
8005 if (!rdev->ops->change_bss)
8008 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
8009 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
8013 err = rdev_change_bss(rdev, dev, ¶ms);
8019 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
8023 enum nl80211_user_reg_hint_type user_reg_hint_type;
8027 * You should only get this when cfg80211 hasn't yet initialized
8028 * completely when built-in to the kernel right between the time
8029 * window between nl80211_init() and regulatory_init(), if that is
8032 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
8033 return -EINPROGRESS;
8035 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
8036 user_reg_hint_type =
8037 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
8039 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
8041 switch (user_reg_hint_type) {
8042 case NL80211_USER_REG_HINT_USER:
8043 case NL80211_USER_REG_HINT_CELL_BASE:
8044 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8047 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8048 return regulatory_hint_user(data, user_reg_hint_type);
8049 case NL80211_USER_REG_HINT_INDOOR:
8050 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
8051 owner_nlportid = info->snd_portid;
8052 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
8058 return regulatory_hint_indoor(is_indoor, owner_nlportid);
8064 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
8066 return reg_reload_regdb();
8069 static int nl80211_get_mesh_config(struct sk_buff *skb,
8070 struct genl_info *info)
8072 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8073 struct net_device *dev = info->user_ptr[1];
8074 struct wireless_dev *wdev = dev->ieee80211_ptr;
8075 struct mesh_config cur_params;
8078 struct nlattr *pinfoattr;
8079 struct sk_buff *msg;
8081 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8084 if (!rdev->ops->get_mesh_config)
8088 /* If not connected, get default parameters */
8089 if (!wdev->u.mesh.id_len)
8090 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
8092 err = rdev_get_mesh_config(rdev, dev, &cur_params);
8098 /* Draw up a netlink message to send back */
8099 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8102 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8103 NL80211_CMD_GET_MESH_CONFIG);
8106 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
8108 goto nla_put_failure;
8109 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
8110 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
8111 cur_params.dot11MeshRetryTimeout) ||
8112 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
8113 cur_params.dot11MeshConfirmTimeout) ||
8114 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
8115 cur_params.dot11MeshHoldingTimeout) ||
8116 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8117 cur_params.dot11MeshMaxPeerLinks) ||
8118 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
8119 cur_params.dot11MeshMaxRetries) ||
8120 nla_put_u8(msg, NL80211_MESHCONF_TTL,
8121 cur_params.dot11MeshTTL) ||
8122 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
8123 cur_params.element_ttl) ||
8124 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8125 cur_params.auto_open_plinks) ||
8126 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
8127 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
8128 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8129 cur_params.dot11MeshHWMPmaxPREQretries) ||
8130 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
8131 cur_params.path_refresh_time) ||
8132 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8133 cur_params.min_discovery_timeout) ||
8134 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
8135 cur_params.dot11MeshHWMPactivePathTimeout) ||
8136 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
8137 cur_params.dot11MeshHWMPpreqMinInterval) ||
8138 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
8139 cur_params.dot11MeshHWMPperrMinInterval) ||
8140 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
8141 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
8142 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
8143 cur_params.dot11MeshHWMPRootMode) ||
8144 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8145 cur_params.dot11MeshHWMPRannInterval) ||
8146 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
8147 cur_params.dot11MeshGateAnnouncementProtocol) ||
8148 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
8149 cur_params.dot11MeshForwarding) ||
8150 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
8151 cur_params.rssi_threshold) ||
8152 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
8153 cur_params.ht_opmode) ||
8154 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8155 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
8156 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
8157 cur_params.dot11MeshHWMProotInterval) ||
8158 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
8159 cur_params.dot11MeshHWMPconfirmationInterval) ||
8160 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
8161 cur_params.power_mode) ||
8162 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8163 cur_params.dot11MeshAwakeWindowDuration) ||
8164 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
8165 cur_params.plink_timeout) ||
8166 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
8167 cur_params.dot11MeshConnectedToMeshGate) ||
8168 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
8169 cur_params.dot11MeshNolearn) ||
8170 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
8171 cur_params.dot11MeshConnectedToAuthServer))
8172 goto nla_put_failure;
8173 nla_nest_end(msg, pinfoattr);
8174 genlmsg_end(msg, hdr);
8175 return genlmsg_reply(msg, info);
8183 static const struct nla_policy
8184 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
8185 [NL80211_MESHCONF_RETRY_TIMEOUT] =
8186 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8187 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
8188 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8189 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
8190 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8191 [NL80211_MESHCONF_MAX_PEER_LINKS] =
8192 NLA_POLICY_RANGE(NLA_U16, 0, 255),
8193 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
8194 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8195 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8196 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
8197 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
8198 NLA_POLICY_RANGE(NLA_U32, 1, 255),
8199 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
8200 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
8201 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
8202 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
8203 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
8204 NLA_POLICY_MIN(NLA_U16, 1),
8205 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
8206 NLA_POLICY_MIN(NLA_U16, 1),
8207 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
8208 NLA_POLICY_MIN(NLA_U16, 1),
8209 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
8210 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
8211 NLA_POLICY_MIN(NLA_U16, 1),
8212 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
8213 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
8214 [NL80211_MESHCONF_RSSI_THRESHOLD] =
8215 NLA_POLICY_RANGE(NLA_S32, -255, 0),
8216 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
8217 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
8218 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
8219 NLA_POLICY_MIN(NLA_U16, 1),
8220 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
8221 NLA_POLICY_MIN(NLA_U16, 1),
8222 [NL80211_MESHCONF_POWER_MODE] =
8223 NLA_POLICY_RANGE(NLA_U32,
8224 NL80211_MESH_POWER_ACTIVE,
8225 NL80211_MESH_POWER_MAX),
8226 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8227 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
8228 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8229 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8230 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8233 static const struct nla_policy
8234 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
8235 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
8236 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
8237 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
8238 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
8239 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
8240 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
8241 [NL80211_MESH_SETUP_IE] =
8242 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
8243 IEEE80211_MAX_DATA_LEN),
8244 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
8247 static int nl80211_parse_mesh_config(struct genl_info *info,
8248 struct mesh_config *cfg,
8251 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
8255 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
8258 cfg->param = fn(tb[attr]); \
8259 mask |= BIT((attr) - 1); \
8263 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
8265 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
8268 /* This makes sure that there aren't more than 32 mesh config
8269 * parameters (otherwise our bitfield scheme would not work.) */
8270 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
8272 /* Fill in the params struct */
8273 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
8274 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
8275 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
8276 NL80211_MESHCONF_CONFIRM_TIMEOUT,
8278 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
8279 NL80211_MESHCONF_HOLDING_TIMEOUT,
8281 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
8282 NL80211_MESHCONF_MAX_PEER_LINKS,
8284 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
8285 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
8286 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
8287 NL80211_MESHCONF_TTL, nla_get_u8);
8288 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
8289 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
8290 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
8291 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8293 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
8295 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
8297 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
8298 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8300 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
8301 NL80211_MESHCONF_PATH_REFRESH_TIME,
8303 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
8304 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
8306 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
8307 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8309 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
8311 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
8313 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
8314 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
8315 cfg->dot11MeshHWMPactivePathTimeout > 65535))
8317 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
8318 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
8320 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
8321 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
8323 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
8324 dot11MeshHWMPnetDiameterTraversalTime, mask,
8325 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
8327 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
8328 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
8329 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
8330 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8332 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
8333 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
8335 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
8336 NL80211_MESHCONF_FORWARDING, nla_get_u8);
8337 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
8338 NL80211_MESHCONF_RSSI_THRESHOLD,
8340 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
8341 NL80211_MESHCONF_CONNECTED_TO_GATE,
8343 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
8344 NL80211_MESHCONF_CONNECTED_TO_AS,
8347 * Check HT operation mode based on
8348 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
8350 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
8351 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
8353 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
8354 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
8355 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
8358 /* NON_HT_STA bit is reserved, but some programs set it */
8359 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
8361 cfg->ht_opmode = ht_opmode;
8362 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
8364 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
8365 dot11MeshHWMPactivePathToRootTimeout, mask,
8366 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8368 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
8369 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
8370 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
8372 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
8373 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
8375 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
8377 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
8379 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
8380 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
8381 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
8382 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
8383 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
8384 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
8385 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
8386 NL80211_MESHCONF_NOLEARN, nla_get_u8);
8392 #undef FILL_IN_MESH_PARAM_IF_SET
8395 static int nl80211_parse_mesh_setup(struct genl_info *info,
8396 struct mesh_setup *setup)
8398 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8399 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
8401 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
8403 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
8406 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
8407 setup->sync_method =
8408 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
8409 IEEE80211_SYNC_METHOD_VENDOR :
8410 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
8412 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
8413 setup->path_sel_proto =
8414 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
8415 IEEE80211_PATH_PROTOCOL_VENDOR :
8416 IEEE80211_PATH_PROTOCOL_HWMP;
8418 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
8419 setup->path_metric =
8420 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
8421 IEEE80211_PATH_METRIC_VENDOR :
8422 IEEE80211_PATH_METRIC_AIRTIME;
8424 if (tb[NL80211_MESH_SETUP_IE]) {
8425 struct nlattr *ieattr =
8426 tb[NL80211_MESH_SETUP_IE];
8427 setup->ie = nla_data(ieattr);
8428 setup->ie_len = nla_len(ieattr);
8430 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
8431 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
8433 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
8434 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
8435 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
8436 if (setup->is_secure)
8437 setup->user_mpm = true;
8439 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
8440 if (!setup->user_mpm)
8443 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
8449 static int nl80211_update_mesh_config(struct sk_buff *skb,
8450 struct genl_info *info)
8452 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8453 struct net_device *dev = info->user_ptr[1];
8454 struct wireless_dev *wdev = dev->ieee80211_ptr;
8455 struct mesh_config cfg;
8459 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8462 if (!rdev->ops->update_mesh_config)
8465 err = nl80211_parse_mesh_config(info, &cfg, &mask);
8470 if (!wdev->u.mesh.id_len)
8474 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
8481 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
8482 struct sk_buff *msg)
8484 struct nlattr *nl_reg_rules;
8487 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
8488 (regdom->dfs_region &&
8489 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
8490 goto nla_put_failure;
8492 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
8494 goto nla_put_failure;
8496 for (i = 0; i < regdom->n_reg_rules; i++) {
8497 struct nlattr *nl_reg_rule;
8498 const struct ieee80211_reg_rule *reg_rule;
8499 const struct ieee80211_freq_range *freq_range;
8500 const struct ieee80211_power_rule *power_rule;
8501 unsigned int max_bandwidth_khz;
8503 reg_rule = ®dom->reg_rules[i];
8504 freq_range = ®_rule->freq_range;
8505 power_rule = ®_rule->power_rule;
8507 nl_reg_rule = nla_nest_start_noflag(msg, i);
8509 goto nla_put_failure;
8511 max_bandwidth_khz = freq_range->max_bandwidth_khz;
8512 if (!max_bandwidth_khz)
8513 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
8516 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
8518 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
8519 freq_range->start_freq_khz) ||
8520 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
8521 freq_range->end_freq_khz) ||
8522 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
8523 max_bandwidth_khz) ||
8524 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
8525 power_rule->max_antenna_gain) ||
8526 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
8527 power_rule->max_eirp) ||
8528 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
8529 reg_rule->dfs_cac_ms))
8530 goto nla_put_failure;
8532 nla_nest_end(msg, nl_reg_rule);
8535 nla_nest_end(msg, nl_reg_rules);
8542 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
8544 const struct ieee80211_regdomain *regdom = NULL;
8545 struct cfg80211_registered_device *rdev;
8546 struct wiphy *wiphy = NULL;
8547 struct sk_buff *msg;
8548 int err = -EMSGSIZE;
8551 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8555 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8556 NL80211_CMD_GET_REG);
8562 if (info->attrs[NL80211_ATTR_WIPHY]) {
8565 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8567 err = PTR_ERR(rdev);
8568 goto nla_put_failure;
8571 wiphy = &rdev->wiphy;
8572 self_managed = wiphy->regulatory_flags &
8573 REGULATORY_WIPHY_SELF_MANAGED;
8577 regdom = get_wiphy_regdom(wiphy);
8579 /* a self-managed-reg device must have a private regdom */
8580 if (WARN_ON(!regdom && self_managed)) {
8582 goto nla_put_failure_rcu;
8586 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8587 goto nla_put_failure_rcu;
8592 if (!wiphy && reg_last_request_cell_base() &&
8593 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8594 NL80211_USER_REG_HINT_CELL_BASE))
8595 goto nla_put_failure_rcu;
8598 regdom = rcu_dereference(cfg80211_regdomain);
8600 if (nl80211_put_regdom(regdom, msg))
8601 goto nla_put_failure_rcu;
8605 genlmsg_end(msg, hdr);
8607 return genlmsg_reply(msg, info);
8609 nla_put_failure_rcu:
8618 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
8619 u32 seq, int flags, struct wiphy *wiphy,
8620 const struct ieee80211_regdomain *regdom)
8622 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8623 NL80211_CMD_GET_REG);
8628 genl_dump_check_consistent(cb, hdr);
8630 if (nl80211_put_regdom(regdom, msg))
8631 goto nla_put_failure;
8633 if (!wiphy && reg_last_request_cell_base() &&
8634 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8635 NL80211_USER_REG_HINT_CELL_BASE))
8636 goto nla_put_failure;
8639 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8640 goto nla_put_failure;
8642 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
8643 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
8644 goto nla_put_failure;
8646 genlmsg_end(msg, hdr);
8650 genlmsg_cancel(msg, hdr);
8654 static int nl80211_get_reg_dump(struct sk_buff *skb,
8655 struct netlink_callback *cb)
8657 const struct ieee80211_regdomain *regdom = NULL;
8658 struct cfg80211_registered_device *rdev;
8659 int err, reg_idx, start = cb->args[2];
8663 if (cfg80211_regdomain && start == 0) {
8664 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8666 rcu_dereference(cfg80211_regdomain));
8671 /* the global regdom is idx 0 */
8673 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
8674 regdom = get_wiphy_regdom(&rdev->wiphy);
8678 if (++reg_idx <= start)
8681 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8682 NLM_F_MULTI, &rdev->wiphy, regdom);
8689 cb->args[2] = reg_idx;
8696 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
8697 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
8698 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
8699 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
8700 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
8701 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
8702 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
8703 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
8704 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
8707 static int parse_reg_rule(struct nlattr *tb[],
8708 struct ieee80211_reg_rule *reg_rule)
8710 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
8711 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
8713 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
8715 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
8717 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
8719 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
8721 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
8724 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
8726 freq_range->start_freq_khz =
8727 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
8728 freq_range->end_freq_khz =
8729 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
8730 freq_range->max_bandwidth_khz =
8731 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
8733 power_rule->max_eirp =
8734 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
8736 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
8737 power_rule->max_antenna_gain =
8738 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
8740 if (tb[NL80211_ATTR_DFS_CAC_TIME])
8741 reg_rule->dfs_cac_ms =
8742 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
8747 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
8749 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
8750 struct nlattr *nl_reg_rule;
8752 int rem_reg_rules, r;
8753 u32 num_rules = 0, rule_idx = 0;
8754 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
8755 struct ieee80211_regdomain *rd;
8757 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8760 if (!info->attrs[NL80211_ATTR_REG_RULES])
8763 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8765 if (info->attrs[NL80211_ATTR_DFS_REGION])
8766 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
8768 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8771 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
8776 if (!reg_is_valid_request(alpha2)) {
8781 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
8787 rd->n_reg_rules = num_rules;
8788 rd->alpha2[0] = alpha2[0];
8789 rd->alpha2[1] = alpha2[1];
8792 * Disable DFS master mode if the DFS region was
8793 * not supported or known on this kernel.
8795 if (reg_supported_dfs_region(dfs_region))
8796 rd->dfs_region = dfs_region;
8798 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8800 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
8801 nl_reg_rule, reg_rule_policy,
8805 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
8811 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
8817 r = set_regdom(rd, REGD_SOURCE_CRDA);
8818 /* set_regdom takes ownership of rd */
8826 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
8828 static int validate_scan_freqs(struct nlattr *freqs)
8830 struct nlattr *attr1, *attr2;
8831 int n_channels = 0, tmp1, tmp2;
8833 nla_for_each_nested(attr1, freqs, tmp1)
8834 if (nla_len(attr1) != sizeof(u32))
8837 nla_for_each_nested(attr1, freqs, tmp1) {
8840 * Some hardware has a limited channel list for
8841 * scanning, and it is pretty much nonsensical
8842 * to scan for a channel twice, so disallow that
8843 * and don't require drivers to check that the
8844 * channel list they get isn't longer than what
8845 * they can scan, as long as they can scan all
8846 * the channels they registered at once.
8848 nla_for_each_nested(attr2, freqs, tmp2)
8849 if (attr1 != attr2 &&
8850 nla_get_u32(attr1) == nla_get_u32(attr2))
8857 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
8859 return b < NUM_NL80211_BANDS && wiphy->bands[b];
8862 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8863 struct cfg80211_bss_selection *bss_select)
8865 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8866 struct nlattr *nest;
8871 /* only process one nested attribute */
8872 nest = nla_data(nla);
8873 if (!nla_ok(nest, nla_len(nest)))
8876 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8877 nest, nl80211_bss_select_policy,
8882 /* only one attribute may be given */
8883 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8891 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8893 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8894 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8896 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8897 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8898 bss_select->param.band_pref =
8899 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8900 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8904 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8905 struct nl80211_bss_select_rssi_adjust *adj_param;
8907 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8908 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8909 bss_select->param.adjust.band = adj_param->band;
8910 bss_select->param.adjust.delta = adj_param->delta;
8911 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8915 /* user-space did not provide behaviour attribute */
8916 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8919 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8925 int nl80211_parse_random_mac(struct nlattr **attrs,
8926 u8 *mac_addr, u8 *mac_addr_mask)
8930 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
8931 eth_zero_addr(mac_addr);
8932 eth_zero_addr(mac_addr_mask);
8934 mac_addr_mask[0] = 0x3;
8939 /* need both or none */
8940 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8943 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8944 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8946 /* don't allow or configure an mcast address */
8947 if (!is_multicast_ether_addr(mac_addr_mask) ||
8948 is_multicast_ether_addr(mac_addr))
8952 * allow users to pass a MAC address that has bits set outside
8953 * of the mask, but don't bother drivers with having to deal
8956 for (i = 0; i < ETH_ALEN; i++)
8957 mac_addr[i] &= mac_addr_mask[i];
8962 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev,
8963 struct ieee80211_channel *chan)
8965 unsigned int link_id;
8968 ASSERT_WDEV_LOCK(wdev);
8970 if (!cfg80211_beaconing_iface_active(wdev))
8974 * FIXME: check if we have a free HW resource/link for chan
8976 * This, as well as the FIXME below, requires knowing the link
8977 * capabilities of the hardware.
8980 /* we cannot leave radar channels */
8981 for_each_valid_link(wdev, link_id) {
8982 struct cfg80211_chan_def *chandef;
8984 chandef = wdev_chandef(wdev, link_id);
8985 if (!chandef || !chandef->chan)
8989 * FIXME: don't require all_ok, but rather check only the
8990 * correct HW resource/link onto which 'chan' falls,
8991 * as only that link leaves the channel for doing
8992 * the off-channel operation.
8995 if (chandef->chan->flags & IEEE80211_CHAN_RADAR)
9002 return regulatory_pre_cac_allowed(wdev->wiphy);
9005 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
9006 enum nl80211_ext_feature_index feat)
9008 if (!(flags & flag))
9010 if (wiphy_ext_feature_isset(wiphy, feat))
9016 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
9017 void *request, struct nlattr **attrs,
9020 u8 *mac_addr, *mac_addr_mask;
9022 enum nl80211_feature_flags randomness_flag;
9024 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
9027 if (is_sched_scan) {
9028 struct cfg80211_sched_scan_request *req = request;
9030 randomness_flag = wdev ?
9031 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
9032 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
9033 flags = &req->flags;
9034 mac_addr = req->mac_addr;
9035 mac_addr_mask = req->mac_addr_mask;
9037 struct cfg80211_scan_request *req = request;
9039 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
9040 flags = &req->flags;
9041 mac_addr = req->mac_addr;
9042 mac_addr_mask = req->mac_addr_mask;
9045 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
9047 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
9048 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
9049 !nl80211_check_scan_feat(wiphy, *flags,
9050 NL80211_SCAN_FLAG_LOW_SPAN,
9051 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
9052 !nl80211_check_scan_feat(wiphy, *flags,
9053 NL80211_SCAN_FLAG_LOW_POWER,
9054 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
9055 !nl80211_check_scan_feat(wiphy, *flags,
9056 NL80211_SCAN_FLAG_HIGH_ACCURACY,
9057 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
9058 !nl80211_check_scan_feat(wiphy, *flags,
9059 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
9060 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
9061 !nl80211_check_scan_feat(wiphy, *flags,
9062 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
9063 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
9064 !nl80211_check_scan_feat(wiphy, *flags,
9065 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
9066 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
9067 !nl80211_check_scan_feat(wiphy, *flags,
9068 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
9069 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
9070 !nl80211_check_scan_feat(wiphy, *flags,
9071 NL80211_SCAN_FLAG_RANDOM_SN,
9072 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
9073 !nl80211_check_scan_feat(wiphy, *flags,
9074 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
9075 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
9078 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
9081 if (!(wiphy->features & randomness_flag) ||
9082 (wdev && wdev->connected))
9085 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
9093 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
9095 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9096 struct wireless_dev *wdev = info->user_ptr[1];
9097 struct cfg80211_scan_request *request;
9098 struct nlattr *scan_freqs = NULL;
9099 bool scan_freqs_khz = false;
9100 struct nlattr *attr;
9101 struct wiphy *wiphy;
9102 int err, tmp, n_ssids = 0, n_channels, i;
9103 size_t ie_len, size;
9105 wiphy = &rdev->wiphy;
9107 if (wdev->iftype == NL80211_IFTYPE_NAN)
9110 if (!rdev->ops->scan)
9113 if (rdev->scan_req || rdev->scan_msg)
9116 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
9117 if (!wiphy_ext_feature_isset(wiphy,
9118 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
9120 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
9121 scan_freqs_khz = true;
9122 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
9123 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
9126 n_channels = validate_scan_freqs(scan_freqs);
9130 n_channels = ieee80211_get_num_supported_channels(wiphy);
9133 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
9134 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
9137 if (n_ssids > wiphy->max_scan_ssids)
9140 if (info->attrs[NL80211_ATTR_IE])
9141 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9145 if (ie_len > wiphy->max_scan_ie_len)
9148 size = struct_size(request, channels, n_channels);
9149 size = size_add(size, array_size(sizeof(*request->ssids), n_ssids));
9150 size = size_add(size, ie_len);
9151 request = kzalloc(size, GFP_KERNEL);
9156 request->ssids = (void *)&request->channels[n_channels];
9157 request->n_ssids = n_ssids;
9160 request->ie = (void *)(request->ssids + n_ssids);
9162 request->ie = (void *)(request->channels + n_channels);
9167 /* user specified, bail out if channel not found */
9168 nla_for_each_nested(attr, scan_freqs, tmp) {
9169 struct ieee80211_channel *chan;
9170 int freq = nla_get_u32(attr);
9172 if (!scan_freqs_khz)
9173 freq = MHZ_TO_KHZ(freq);
9175 chan = ieee80211_get_channel_khz(wiphy, freq);
9181 /* ignore disabled channels */
9182 if (chan->flags & IEEE80211_CHAN_DISABLED)
9185 request->channels[i] = chan;
9189 enum nl80211_band band;
9192 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9195 if (!wiphy->bands[band])
9197 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9198 struct ieee80211_channel *chan;
9200 chan = &wiphy->bands[band]->channels[j];
9202 if (chan->flags & IEEE80211_CHAN_DISABLED)
9205 request->channels[i] = chan;
9216 request->n_channels = i;
9219 for (i = 0; i < request->n_channels; i++) {
9220 struct ieee80211_channel *chan = request->channels[i];
9222 /* if we can go off-channel to the target channel we're good */
9223 if (cfg80211_off_channel_oper_allowed(wdev, chan))
9226 if (!cfg80211_wdev_on_sub_chan(wdev, chan, true)) {
9236 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
9237 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
9241 request->ssids[i].ssid_len = nla_len(attr);
9242 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
9247 if (info->attrs[NL80211_ATTR_IE]) {
9248 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9249 memcpy((void *)request->ie,
9250 nla_data(info->attrs[NL80211_ATTR_IE]),
9254 for (i = 0; i < NUM_NL80211_BANDS; i++)
9255 if (wiphy->bands[i])
9257 (1 << wiphy->bands[i]->n_bitrates) - 1;
9259 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
9260 nla_for_each_nested(attr,
9261 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
9263 enum nl80211_band band = nla_type(attr);
9265 if (band < 0 || band >= NUM_NL80211_BANDS) {
9270 if (!wiphy->bands[band])
9273 err = ieee80211_get_ratemask(wiphy->bands[band],
9276 &request->rates[band]);
9282 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
9284 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
9285 request->duration_mandatory =
9286 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
9289 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
9295 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
9297 /* Initial implementation used NL80211_ATTR_MAC to set the specific
9298 * BSSID to scan for. This was problematic because that same attribute
9299 * was already used for another purpose (local random MAC address). The
9300 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
9301 * compatibility with older userspace components, also use the
9302 * NL80211_ATTR_MAC value here if it can be determined to be used for
9303 * the specific BSSID use case instead of the random MAC address
9304 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
9306 if (info->attrs[NL80211_ATTR_BSSID])
9307 memcpy(request->bssid,
9308 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
9309 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
9310 info->attrs[NL80211_ATTR_MAC])
9311 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
9314 eth_broadcast_addr(request->bssid);
9316 request->wdev = wdev;
9317 request->wiphy = &rdev->wiphy;
9318 request->scan_start = jiffies;
9320 rdev->scan_req = request;
9321 err = cfg80211_scan(rdev);
9326 nl80211_send_scan_start(rdev, wdev);
9327 dev_hold(wdev->netdev);
9332 rdev->scan_req = NULL;
9338 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
9340 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9341 struct wireless_dev *wdev = info->user_ptr[1];
9343 if (!rdev->ops->abort_scan)
9349 if (!rdev->scan_req)
9352 rdev_abort_scan(rdev, wdev);
9357 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
9358 struct cfg80211_sched_scan_request *request,
9359 struct nlattr **attrs)
9361 int tmp, err, i = 0;
9362 struct nlattr *attr;
9364 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9368 * If scan plans are not specified,
9369 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
9370 * case one scan plan will be set with the specified scan
9371 * interval and infinite number of iterations.
9373 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
9377 request->scan_plans[0].interval =
9378 DIV_ROUND_UP(interval, MSEC_PER_SEC);
9379 if (!request->scan_plans[0].interval)
9382 if (request->scan_plans[0].interval >
9383 wiphy->max_sched_scan_plan_interval)
9384 request->scan_plans[0].interval =
9385 wiphy->max_sched_scan_plan_interval;
9390 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
9391 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
9393 if (WARN_ON(i >= n_plans))
9396 err = nla_parse_nested_deprecated(plan,
9397 NL80211_SCHED_SCAN_PLAN_MAX,
9398 attr, nl80211_plan_policy,
9403 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
9406 request->scan_plans[i].interval =
9407 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
9408 if (!request->scan_plans[i].interval ||
9409 request->scan_plans[i].interval >
9410 wiphy->max_sched_scan_plan_interval)
9413 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
9414 request->scan_plans[i].iterations =
9415 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
9416 if (!request->scan_plans[i].iterations ||
9417 (request->scan_plans[i].iterations >
9418 wiphy->max_sched_scan_plan_iterations))
9420 } else if (i < n_plans - 1) {
9422 * All scan plans but the last one must specify
9423 * a finite number of iterations
9432 * The last scan plan must not specify the number of
9433 * iterations, it is supposed to run infinitely
9435 if (request->scan_plans[n_plans - 1].iterations)
9442 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
9443 struct cfg80211_match_set *match_sets,
9444 struct nlattr *tb_band_rssi,
9447 struct nlattr *attr;
9448 int i, tmp, ret = 0;
9450 if (!wiphy_ext_feature_isset(wiphy,
9451 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
9455 for (i = 0; i < NUM_NL80211_BANDS; i++)
9456 match_sets->per_band_rssi_thold[i] =
9457 NL80211_SCAN_RSSI_THOLD_OFF;
9461 for (i = 0; i < NUM_NL80211_BANDS; i++)
9462 match_sets->per_band_rssi_thold[i] = rssi_thold;
9464 nla_for_each_nested(attr, tb_band_rssi, tmp) {
9465 enum nl80211_band band = nla_type(attr);
9467 if (band < 0 || band >= NUM_NL80211_BANDS)
9470 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
9476 static struct cfg80211_sched_scan_request *
9477 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
9478 struct nlattr **attrs, int max_match_sets)
9480 struct cfg80211_sched_scan_request *request;
9481 struct nlattr *attr;
9482 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
9483 enum nl80211_band band;
9484 size_t ie_len, size;
9485 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
9486 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
9488 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
9489 n_channels = validate_scan_freqs(
9490 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
9492 return ERR_PTR(-EINVAL);
9494 n_channels = ieee80211_get_num_supported_channels(wiphy);
9497 if (attrs[NL80211_ATTR_SCAN_SSIDS])
9498 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
9502 if (n_ssids > wiphy->max_sched_scan_ssids)
9503 return ERR_PTR(-EINVAL);
9506 * First, count the number of 'real' matchsets. Due to an issue with
9507 * the old implementation, matchsets containing only the RSSI attribute
9508 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
9509 * RSSI for all matchsets, rather than their own matchset for reporting
9510 * all APs with a strong RSSI. This is needed to be compatible with
9511 * older userspace that treated a matchset with only the RSSI as the
9512 * global RSSI for all other matchsets - if there are other matchsets.
9514 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
9515 nla_for_each_nested(attr,
9516 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
9518 struct nlattr *rssi;
9520 err = nla_parse_nested_deprecated(tb,
9521 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9523 nl80211_match_policy,
9526 return ERR_PTR(err);
9528 /* SSID and BSSID are mutually exclusive */
9529 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
9530 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
9531 return ERR_PTR(-EINVAL);
9533 /* add other standalone attributes here */
9534 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
9535 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
9539 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9541 default_match_rssi = nla_get_s32(rssi);
9545 /* However, if there's no other matchset, add the RSSI one */
9546 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
9549 if (n_match_sets > max_match_sets)
9550 return ERR_PTR(-EINVAL);
9552 if (attrs[NL80211_ATTR_IE])
9553 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
9557 if (ie_len > wiphy->max_sched_scan_ie_len)
9558 return ERR_PTR(-EINVAL);
9560 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9562 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
9563 * each scan plan already specifies its own interval
9565 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9566 return ERR_PTR(-EINVAL);
9568 nla_for_each_nested(attr,
9569 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
9573 * The scan interval attribute is kept for backward
9574 * compatibility. If no scan plans are specified and sched scan
9575 * interval is specified, one scan plan will be set with this
9576 * scan interval and infinite number of iterations.
9578 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9579 return ERR_PTR(-EINVAL);
9584 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
9585 return ERR_PTR(-EINVAL);
9587 if (!wiphy_ext_feature_isset(
9588 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
9589 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
9590 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
9591 return ERR_PTR(-EINVAL);
9593 size = struct_size(request, channels, n_channels);
9594 size = size_add(size, array_size(sizeof(*request->ssids), n_ssids));
9595 size = size_add(size, array_size(sizeof(*request->match_sets),
9597 size = size_add(size, array_size(sizeof(*request->scan_plans),
9599 size = size_add(size, ie_len);
9600 request = kzalloc(size, GFP_KERNEL);
9602 return ERR_PTR(-ENOMEM);
9605 request->ssids = (void *)&request->channels[n_channels];
9606 request->n_ssids = n_ssids;
9609 request->ie = (void *)(request->ssids + n_ssids);
9611 request->ie = (void *)(request->channels + n_channels);
9616 request->match_sets = (void *)(request->ie + ie_len);
9618 request->match_sets =
9619 (void *)(request->ssids + n_ssids);
9621 request->match_sets =
9622 (void *)(request->channels + n_channels);
9624 request->n_match_sets = n_match_sets;
9627 request->scan_plans = (void *)(request->match_sets +
9629 else if (request->ie)
9630 request->scan_plans = (void *)(request->ie + ie_len);
9632 request->scan_plans = (void *)(request->ssids + n_ssids);
9634 request->scan_plans = (void *)(request->channels + n_channels);
9636 request->n_scan_plans = n_plans;
9639 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
9640 /* user specified, bail out if channel not found */
9641 nla_for_each_nested(attr,
9642 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
9644 struct ieee80211_channel *chan;
9646 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
9653 /* ignore disabled channels */
9654 if (chan->flags & IEEE80211_CHAN_DISABLED)
9657 request->channels[i] = chan;
9662 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9665 if (!wiphy->bands[band])
9667 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9668 struct ieee80211_channel *chan;
9670 chan = &wiphy->bands[band]->channels[j];
9672 if (chan->flags & IEEE80211_CHAN_DISABLED)
9675 request->channels[i] = chan;
9686 request->n_channels = i;
9690 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
9692 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
9696 request->ssids[i].ssid_len = nla_len(attr);
9697 memcpy(request->ssids[i].ssid, nla_data(attr),
9704 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
9705 nla_for_each_nested(attr,
9706 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
9708 struct nlattr *ssid, *bssid, *rssi;
9710 err = nla_parse_nested_deprecated(tb,
9711 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9713 nl80211_match_policy,
9717 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
9718 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
9720 if (!ssid && !bssid) {
9725 if (WARN_ON(i >= n_match_sets)) {
9726 /* this indicates a programming error,
9727 * the loop above should have verified
9735 memcpy(request->match_sets[i].ssid.ssid,
9736 nla_data(ssid), nla_len(ssid));
9737 request->match_sets[i].ssid.ssid_len =
9741 memcpy(request->match_sets[i].bssid,
9742 nla_data(bssid), ETH_ALEN);
9744 /* special attribute - old implementation w/a */
9745 request->match_sets[i].rssi_thold = default_match_rssi;
9746 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9748 request->match_sets[i].rssi_thold =
9751 /* Parse per band RSSI attribute */
9752 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
9753 &request->match_sets[i],
9754 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
9755 request->match_sets[i].rssi_thold);
9762 /* there was no other matchset, so the RSSI one is alone */
9763 if (i == 0 && n_match_sets)
9764 request->match_sets[0].rssi_thold = default_match_rssi;
9766 request->min_rssi_thold = INT_MAX;
9767 for (i = 0; i < n_match_sets; i++)
9768 request->min_rssi_thold =
9769 min(request->match_sets[i].rssi_thold,
9770 request->min_rssi_thold);
9772 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
9776 request->ie_len = ie_len;
9777 memcpy((void *)request->ie,
9778 nla_data(attrs[NL80211_ATTR_IE]),
9782 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
9786 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
9788 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
9790 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
9791 request->relative_rssi = nla_get_s8(
9792 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
9793 request->relative_rssi_set = true;
9796 if (request->relative_rssi_set &&
9797 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
9798 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
9800 rssi_adjust = nla_data(
9801 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
9802 request->rssi_adjust.band = rssi_adjust->band;
9803 request->rssi_adjust.delta = rssi_adjust->delta;
9804 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
9810 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
9814 request->scan_start = jiffies;
9820 return ERR_PTR(err);
9823 static int nl80211_start_sched_scan(struct sk_buff *skb,
9824 struct genl_info *info)
9826 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9827 struct net_device *dev = info->user_ptr[1];
9828 struct wireless_dev *wdev = dev->ieee80211_ptr;
9829 struct cfg80211_sched_scan_request *sched_scan_req;
9833 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
9836 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
9837 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
9841 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
9843 rdev->wiphy.max_match_sets);
9845 err = PTR_ERR_OR_ZERO(sched_scan_req);
9849 /* leave request id zero for legacy request
9850 * or if driver does not support multi-scheduled scan
9852 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
9853 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
9855 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
9859 sched_scan_req->dev = dev;
9860 sched_scan_req->wiphy = &rdev->wiphy;
9862 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9863 sched_scan_req->owner_nlportid = info->snd_portid;
9865 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
9867 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
9871 kfree(sched_scan_req);
9876 static int nl80211_stop_sched_scan(struct sk_buff *skb,
9877 struct genl_info *info)
9879 struct cfg80211_sched_scan_request *req;
9880 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9883 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
9886 if (info->attrs[NL80211_ATTR_COOKIE]) {
9887 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9888 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9891 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9892 struct cfg80211_sched_scan_request,
9894 if (!req || req->reqid ||
9895 (req->owner_nlportid &&
9896 req->owner_nlportid != info->snd_portid))
9899 return cfg80211_stop_sched_scan_req(rdev, req, false);
9902 static int nl80211_start_radar_detection(struct sk_buff *skb,
9903 struct genl_info *info)
9905 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9906 struct net_device *dev = info->user_ptr[1];
9907 struct wireless_dev *wdev = dev->ieee80211_ptr;
9908 struct wiphy *wiphy = wdev->wiphy;
9909 struct cfg80211_chan_def chandef;
9910 enum nl80211_dfs_regions dfs_region;
9911 unsigned int cac_time_ms;
9914 flush_delayed_work(&rdev->dfs_update_channels_wk);
9918 dfs_region = reg_get_dfs_region(wiphy);
9919 if (dfs_region == NL80211_DFS_UNSET)
9922 err = nl80211_parse_chandef(rdev, info, &chandef);
9926 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9935 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) {
9940 if (nla_get_flag(info->attrs[NL80211_ATTR_RADAR_BACKGROUND])) {
9941 err = cfg80211_start_background_radar_detection(rdev, wdev,
9946 if (netif_carrier_ok(dev)) {
9951 if (wdev->cac_started) {
9956 /* CAC start is offloaded to HW and can't be started manually */
9957 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) {
9962 if (!rdev->ops->start_radar_detection) {
9967 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
9968 if (WARN_ON(!cac_time_ms))
9969 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
9971 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
9973 wdev->links[0].ap.chandef = chandef;
9974 wdev->cac_started = true;
9975 wdev->cac_start_time = jiffies;
9976 wdev->cac_time_ms = cac_time_ms;
9979 wiphy_unlock(wiphy);
9984 static int nl80211_notify_radar_detection(struct sk_buff *skb,
9985 struct genl_info *info)
9987 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9988 struct net_device *dev = info->user_ptr[1];
9989 struct wireless_dev *wdev = dev->ieee80211_ptr;
9990 struct wiphy *wiphy = wdev->wiphy;
9991 struct cfg80211_chan_def chandef;
9992 enum nl80211_dfs_regions dfs_region;
9995 dfs_region = reg_get_dfs_region(wiphy);
9996 if (dfs_region == NL80211_DFS_UNSET) {
9997 GENL_SET_ERR_MSG(info,
9998 "DFS Region is not set. Unexpected Radar indication");
10002 err = nl80211_parse_chandef(rdev, info, &chandef);
10004 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
10008 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
10010 GENL_SET_ERR_MSG(info, "chandef is invalid");
10015 GENL_SET_ERR_MSG(info,
10016 "Unexpected Radar indication for chandef/iftype");
10020 /* Do not process this notification if radar is already detected
10021 * by kernel on this channel, and return success.
10023 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
10026 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
10028 cfg80211_sched_dfs_chan_update(rdev);
10030 rdev->radar_chandef = chandef;
10032 /* Propagate this notification to other radios as well */
10033 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
10038 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
10040 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10041 unsigned int link_id = nl80211_link_id(info->attrs);
10042 struct net_device *dev = info->user_ptr[1];
10043 struct wireless_dev *wdev = dev->ieee80211_ptr;
10044 struct cfg80211_csa_settings params;
10045 struct nlattr **csa_attrs = NULL;
10047 bool need_new_beacon = false;
10048 bool need_handle_dfs_flag = true;
10052 if (!rdev->ops->channel_switch ||
10053 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
10054 return -EOPNOTSUPP;
10056 switch (dev->ieee80211_ptr->iftype) {
10057 case NL80211_IFTYPE_AP:
10058 case NL80211_IFTYPE_P2P_GO:
10059 need_new_beacon = true;
10060 /* For all modes except AP the handle_dfs flag needs to be
10061 * supplied to tell the kernel that userspace will handle radar
10062 * events when they happen. Otherwise a switch to a channel
10063 * requiring DFS will be rejected.
10065 need_handle_dfs_flag = false;
10067 /* useless if AP is not running */
10068 if (!wdev->links[link_id].ap.beacon_interval)
10071 case NL80211_IFTYPE_ADHOC:
10072 if (!wdev->u.ibss.ssid_len)
10075 case NL80211_IFTYPE_MESH_POINT:
10076 if (!wdev->u.mesh.id_len)
10080 return -EOPNOTSUPP;
10083 memset(¶ms, 0, sizeof(params));
10084 params.beacon_csa.ftm_responder = -1;
10086 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10087 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
10090 /* only important for AP, IBSS and mesh create IEs internally */
10091 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
10094 /* Even though the attribute is u32, the specification says
10095 * u8, so let's make sure we don't overflow.
10097 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
10098 if (cs_count > 255)
10101 params.count = cs_count;
10103 if (!need_new_beacon)
10106 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after,
10111 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
10118 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
10119 info->attrs[NL80211_ATTR_CSA_IES],
10120 nl80211_policy, info->extack);
10124 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa,
10129 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
10134 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
10135 if (!len || (len % sizeof(u16))) {
10140 params.n_counter_offsets_beacon = len / sizeof(u16);
10141 if (rdev->wiphy.max_num_csa_counters &&
10142 (params.n_counter_offsets_beacon >
10143 rdev->wiphy.max_num_csa_counters)) {
10148 params.counter_offsets_beacon =
10149 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
10151 /* sanity checks - counters should fit and be the same */
10152 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
10153 u16 offset = params.counter_offsets_beacon[i];
10155 if (offset >= params.beacon_csa.tail_len) {
10160 if (params.beacon_csa.tail[offset] != params.count) {
10166 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
10167 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
10168 if (!len || (len % sizeof(u16))) {
10173 params.n_counter_offsets_presp = len / sizeof(u16);
10174 if (rdev->wiphy.max_num_csa_counters &&
10175 (params.n_counter_offsets_presp >
10176 rdev->wiphy.max_num_csa_counters)) {
10181 params.counter_offsets_presp =
10182 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
10184 /* sanity checks - counters should fit and be the same */
10185 for (i = 0; i < params.n_counter_offsets_presp; i++) {
10186 u16 offset = params.counter_offsets_presp[i];
10188 if (offset >= params.beacon_csa.probe_resp_len) {
10193 if (params.beacon_csa.probe_resp[offset] !=
10202 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
10206 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
10212 err = cfg80211_chandef_dfs_required(wdev->wiphy,
10219 params.radar_required = true;
10220 if (need_handle_dfs_flag &&
10221 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
10227 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
10228 params.block_tx = true;
10230 if (info->attrs[NL80211_ATTR_PUNCT_BITMAP]) {
10231 err = nl80211_parse_punct_bitmap(rdev, info,
10233 ¶ms.punct_bitmap);
10239 err = rdev_channel_switch(rdev, dev, ¶ms);
10243 kfree(params.beacon_after.mbssid_ies);
10244 kfree(params.beacon_csa.mbssid_ies);
10245 kfree(params.beacon_after.rnr_ies);
10246 kfree(params.beacon_csa.rnr_ies);
10251 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
10252 u32 seq, int flags,
10253 struct cfg80211_registered_device *rdev,
10254 struct wireless_dev *wdev,
10255 struct cfg80211_internal_bss *intbss)
10257 struct cfg80211_bss *res = &intbss->pub;
10258 const struct cfg80211_bss_ies *ies;
10259 unsigned int link_id;
10261 struct nlattr *bss;
10263 ASSERT_WDEV_LOCK(wdev);
10265 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
10266 NL80211_CMD_NEW_SCAN_RESULTS);
10270 genl_dump_check_consistent(cb, hdr);
10272 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
10273 goto nla_put_failure;
10274 if (wdev->netdev &&
10275 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
10276 goto nla_put_failure;
10277 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
10279 goto nla_put_failure;
10281 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
10283 goto nla_put_failure;
10284 if ((!is_zero_ether_addr(res->bssid) &&
10285 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
10286 goto nla_put_failure;
10289 /* indicate whether we have probe response data or not */
10290 if (rcu_access_pointer(res->proberesp_ies) &&
10291 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
10292 goto fail_unlock_rcu;
10294 /* this pointer prefers to be pointed to probe response data
10295 * but is always valid
10297 ies = rcu_dereference(res->ies);
10299 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
10301 goto fail_unlock_rcu;
10302 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
10303 ies->len, ies->data))
10304 goto fail_unlock_rcu;
10307 /* and this pointer is always (unless driver didn't know) beacon data */
10308 ies = rcu_dereference(res->beacon_ies);
10309 if (ies && ies->from_beacon) {
10310 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
10312 goto fail_unlock_rcu;
10313 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
10314 ies->len, ies->data))
10315 goto fail_unlock_rcu;
10319 if (res->beacon_interval &&
10320 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
10321 goto nla_put_failure;
10322 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
10323 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
10324 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
10325 res->channel->freq_offset) ||
10326 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
10327 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
10328 jiffies_to_msecs(jiffies - intbss->ts)))
10329 goto nla_put_failure;
10331 if (intbss->parent_tsf &&
10332 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
10333 intbss->parent_tsf, NL80211_BSS_PAD) ||
10334 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
10335 intbss->parent_bssid)))
10336 goto nla_put_failure;
10338 if (intbss->ts_boottime &&
10339 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
10340 intbss->ts_boottime, NL80211_BSS_PAD))
10341 goto nla_put_failure;
10343 if (!nl80211_put_signal(msg, intbss->pub.chains,
10344 intbss->pub.chain_signal,
10345 NL80211_BSS_CHAIN_SIGNAL))
10346 goto nla_put_failure;
10348 switch (rdev->wiphy.signal_type) {
10349 case CFG80211_SIGNAL_TYPE_MBM:
10350 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
10351 goto nla_put_failure;
10353 case CFG80211_SIGNAL_TYPE_UNSPEC:
10354 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
10355 goto nla_put_failure;
10361 switch (wdev->iftype) {
10362 case NL80211_IFTYPE_P2P_CLIENT:
10363 case NL80211_IFTYPE_STATION:
10364 for_each_valid_link(wdev, link_id) {
10365 if (intbss == wdev->links[link_id].client.current_bss &&
10366 (nla_put_u32(msg, NL80211_BSS_STATUS,
10367 NL80211_BSS_STATUS_ASSOCIATED) ||
10368 (wdev->valid_links &&
10369 (nla_put_u8(msg, NL80211_BSS_MLO_LINK_ID,
10371 nla_put(msg, NL80211_BSS_MLD_ADDR, ETH_ALEN,
10372 wdev->u.client.connected_addr)))))
10373 goto nla_put_failure;
10376 case NL80211_IFTYPE_ADHOC:
10377 if (intbss == wdev->u.ibss.current_bss &&
10378 nla_put_u32(msg, NL80211_BSS_STATUS,
10379 NL80211_BSS_STATUS_IBSS_JOINED))
10380 goto nla_put_failure;
10386 nla_nest_end(msg, bss);
10388 genlmsg_end(msg, hdr);
10394 genlmsg_cancel(msg, hdr);
10398 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
10400 struct cfg80211_registered_device *rdev;
10401 struct cfg80211_internal_bss *scan;
10402 struct wireless_dev *wdev;
10403 int start = cb->args[2], idx = 0;
10406 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
10409 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10410 __acquire(&rdev->wiphy.mtx);
10413 spin_lock_bh(&rdev->bss_lock);
10416 * dump_scan will be called multiple times to break up the scan results
10417 * into multiple messages. It is unlikely that any more bss-es will be
10418 * expired after the first call, so only call only call this on the
10419 * first dump_scan invocation.
10422 cfg80211_bss_expire(rdev);
10424 cb->seq = rdev->bss_generation;
10426 list_for_each_entry(scan, &rdev->bss_list, list) {
10427 if (++idx <= start)
10429 if (nl80211_send_bss(skb, cb,
10430 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10431 rdev, wdev, scan) < 0) {
10437 spin_unlock_bh(&rdev->bss_lock);
10441 wiphy_unlock(&rdev->wiphy);
10446 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
10447 int flags, struct net_device *dev,
10448 bool allow_radio_stats,
10449 struct survey_info *survey)
10452 struct nlattr *infoattr;
10454 /* skip radio stats if userspace didn't request them */
10455 if (!survey->channel && !allow_radio_stats)
10458 hdr = nl80211hdr_put(msg, portid, seq, flags,
10459 NL80211_CMD_NEW_SURVEY_RESULTS);
10463 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
10464 goto nla_put_failure;
10466 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
10468 goto nla_put_failure;
10470 if (survey->channel &&
10471 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
10472 survey->channel->center_freq))
10473 goto nla_put_failure;
10475 if (survey->channel && survey->channel->freq_offset &&
10476 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
10477 survey->channel->freq_offset))
10478 goto nla_put_failure;
10480 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
10481 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
10482 goto nla_put_failure;
10483 if ((survey->filled & SURVEY_INFO_IN_USE) &&
10484 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
10485 goto nla_put_failure;
10486 if ((survey->filled & SURVEY_INFO_TIME) &&
10487 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
10488 survey->time, NL80211_SURVEY_INFO_PAD))
10489 goto nla_put_failure;
10490 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
10491 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
10492 survey->time_busy, NL80211_SURVEY_INFO_PAD))
10493 goto nla_put_failure;
10494 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
10495 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
10496 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
10497 goto nla_put_failure;
10498 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
10499 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
10500 survey->time_rx, NL80211_SURVEY_INFO_PAD))
10501 goto nla_put_failure;
10502 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
10503 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
10504 survey->time_tx, NL80211_SURVEY_INFO_PAD))
10505 goto nla_put_failure;
10506 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
10507 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
10508 survey->time_scan, NL80211_SURVEY_INFO_PAD))
10509 goto nla_put_failure;
10510 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
10511 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
10512 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
10513 goto nla_put_failure;
10515 nla_nest_end(msg, infoattr);
10517 genlmsg_end(msg, hdr);
10521 genlmsg_cancel(msg, hdr);
10525 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
10527 struct nlattr **attrbuf;
10528 struct survey_info survey;
10529 struct cfg80211_registered_device *rdev;
10530 struct wireless_dev *wdev;
10531 int survey_idx = cb->args[2];
10535 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
10539 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
10544 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10545 __acquire(&rdev->wiphy.mtx);
10547 /* prepare_wdev_dump parsed the attributes */
10548 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
10550 if (!wdev->netdev) {
10555 if (!rdev->ops->dump_survey) {
10562 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
10564 if (res == -ENOENT)
10569 /* don't send disabled channels, but do send non-channel data */
10570 if (survey.channel &&
10571 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
10576 if (nl80211_send_survey(skb,
10577 NETLINK_CB(cb->skb).portid,
10578 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10579 wdev->netdev, radio_stats, &survey) < 0)
10585 cb->args[2] = survey_idx;
10589 wiphy_unlock(&rdev->wiphy);
10593 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
10595 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
10596 NL80211_WPA_VERSION_2 |
10597 NL80211_WPA_VERSION_3));
10600 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
10602 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10603 struct net_device *dev = info->user_ptr[1];
10604 struct ieee80211_channel *chan;
10605 const u8 *bssid, *ssid;
10607 enum nl80211_auth_type auth_type;
10608 struct key_parse key;
10609 bool local_state_change;
10610 struct cfg80211_auth_request req = {};
10613 if (!info->attrs[NL80211_ATTR_MAC])
10616 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
10619 if (!info->attrs[NL80211_ATTR_SSID])
10622 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10625 err = nl80211_parse_key(info, &key);
10629 if (key.idx >= 0) {
10630 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
10632 if (!key.p.key || !key.p.key_len)
10634 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
10635 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
10636 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
10637 key.p.key_len != WLAN_KEY_LEN_WEP104))
10646 if (key.idx >= 0) {
10650 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
10651 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
10660 if (!rdev->ops->auth)
10661 return -EOPNOTSUPP;
10663 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10664 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10665 return -EOPNOTSUPP;
10667 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10668 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10669 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10671 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10673 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10677 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10678 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10680 if (info->attrs[NL80211_ATTR_IE]) {
10681 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10682 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10685 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10686 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
10689 if ((auth_type == NL80211_AUTHTYPE_SAE ||
10690 auth_type == NL80211_AUTHTYPE_FILS_SK ||
10691 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
10692 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
10693 !info->attrs[NL80211_ATTR_AUTH_DATA])
10696 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
10697 if (auth_type != NL80211_AUTHTYPE_SAE &&
10698 auth_type != NL80211_AUTHTYPE_FILS_SK &&
10699 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
10700 auth_type != NL80211_AUTHTYPE_FILS_PK)
10702 req.auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
10703 req.auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
10706 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10709 * Since we no longer track auth state, ignore
10710 * requests to only change local state.
10712 if (local_state_change)
10715 req.auth_type = auth_type;
10716 req.key = key.p.key;
10717 req.key_len = key.p.key_len;
10718 req.key_idx = key.idx;
10719 req.link_id = nl80211_link_id_or_invalid(info->attrs);
10720 if (req.link_id >= 0) {
10721 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
10723 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
10725 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
10726 if (!is_valid_ether_addr(req.ap_mld_addr))
10730 req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
10731 IEEE80211_BSS_TYPE_ESS,
10732 IEEE80211_PRIVACY_ANY);
10736 wdev_lock(dev->ieee80211_ptr);
10737 err = cfg80211_mlme_auth(rdev, dev, &req);
10738 wdev_unlock(dev->ieee80211_ptr);
10740 cfg80211_put_bss(&rdev->wiphy, req.bss);
10745 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
10746 struct genl_info *info)
10748 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10749 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
10753 if (!rdev->ops->tx_control_port ||
10754 !wiphy_ext_feature_isset(&rdev->wiphy,
10755 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
10756 return -EOPNOTSUPP;
10761 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
10762 struct genl_info *info,
10763 struct cfg80211_crypto_settings *settings,
10766 memset(settings, 0, sizeof(*settings));
10768 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
10770 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
10773 proto = nla_get_u16(
10774 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
10775 settings->control_port_ethertype = cpu_to_be16(proto);
10776 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
10777 proto != ETH_P_PAE)
10779 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
10780 settings->control_port_no_encrypt = true;
10782 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
10784 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10785 int r = validate_pae_over_nl80211(rdev, info);
10790 settings->control_port_over_nl80211 = true;
10792 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
10793 settings->control_port_no_preauth = true;
10796 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
10800 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10801 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10802 settings->n_ciphers_pairwise = len / sizeof(u32);
10804 if (len % sizeof(u32))
10807 if (settings->n_ciphers_pairwise > cipher_limit)
10810 memcpy(settings->ciphers_pairwise, data, len);
10812 for (i = 0; i < settings->n_ciphers_pairwise; i++)
10813 if (!cfg80211_supported_cipher_suite(
10815 settings->ciphers_pairwise[i]))
10819 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
10820 settings->cipher_group =
10821 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
10822 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
10823 settings->cipher_group))
10827 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
10828 settings->wpa_versions =
10829 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
10830 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
10834 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
10838 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
10839 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
10840 settings->n_akm_suites = len / sizeof(u32);
10842 if (len % sizeof(u32))
10845 if (settings->n_akm_suites > rdev->wiphy.max_num_akm_suites)
10848 memcpy(settings->akm_suites, data, len);
10851 if (info->attrs[NL80211_ATTR_PMK]) {
10852 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
10854 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10855 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
10856 !wiphy_ext_feature_isset(&rdev->wiphy,
10857 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
10859 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10862 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
10863 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10864 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10865 !wiphy_ext_feature_isset(&rdev->wiphy,
10866 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
10868 settings->sae_pwd =
10869 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10870 settings->sae_pwd_len =
10871 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10874 if (info->attrs[NL80211_ATTR_SAE_PWE])
10875 settings->sae_pwe =
10876 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
10878 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
10883 static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device *rdev,
10884 const u8 *ssid, int ssid_len,
10885 struct nlattr **attrs)
10887 struct ieee80211_channel *chan;
10888 struct cfg80211_bss *bss;
10892 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_WIPHY_FREQ])
10893 return ERR_PTR(-EINVAL);
10895 bssid = nla_data(attrs[NL80211_ATTR_MAC]);
10897 freq = MHZ_TO_KHZ(nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]));
10898 if (attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10899 freq += nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10901 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10903 return ERR_PTR(-EINVAL);
10905 bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid,
10907 IEEE80211_BSS_TYPE_ESS,
10908 IEEE80211_PRIVACY_ANY);
10910 return ERR_PTR(-ENOENT);
10915 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
10917 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10918 struct net_device *dev = info->user_ptr[1];
10919 struct cfg80211_assoc_request req = {};
10920 struct nlattr **attrs = NULL;
10921 const u8 *ap_addr, *ssid;
10922 unsigned int link_id;
10925 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10926 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10929 if (!info->attrs[NL80211_ATTR_SSID])
10932 if (!rdev->ops->assoc)
10933 return -EOPNOTSUPP;
10935 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10936 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10937 return -EOPNOTSUPP;
10939 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10940 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10942 if (info->attrs[NL80211_ATTR_IE]) {
10943 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10944 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10946 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
10947 req.ie, req.ie_len)) {
10948 GENL_SET_ERR_MSG(info,
10949 "non-inheritance makes no sense");
10954 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10955 enum nl80211_mfp mfp =
10956 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10957 if (mfp == NL80211_MFP_REQUIRED)
10958 req.use_mfp = true;
10959 else if (mfp != NL80211_MFP_NO)
10963 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10964 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10966 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10967 req.flags |= ASSOC_REQ_DISABLE_HT;
10969 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10970 memcpy(&req.ht_capa_mask,
10971 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10972 sizeof(req.ht_capa_mask));
10974 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10975 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10977 memcpy(&req.ht_capa,
10978 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10979 sizeof(req.ht_capa));
10982 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10983 req.flags |= ASSOC_REQ_DISABLE_VHT;
10985 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10986 req.flags |= ASSOC_REQ_DISABLE_HE;
10988 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
10989 req.flags |= ASSOC_REQ_DISABLE_EHT;
10991 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10992 memcpy(&req.vht_capa_mask,
10993 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10994 sizeof(req.vht_capa_mask));
10996 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10997 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10999 memcpy(&req.vht_capa,
11000 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
11001 sizeof(req.vht_capa));
11004 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
11005 if (!((rdev->wiphy.features &
11006 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
11007 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
11008 !wiphy_ext_feature_isset(&rdev->wiphy,
11009 NL80211_EXT_FEATURE_RRM))
11011 req.flags |= ASSOC_REQ_USE_RRM;
11014 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
11015 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
11016 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
11017 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
11020 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
11023 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
11024 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
11026 memcpy(&req.s1g_capa_mask,
11027 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
11028 sizeof(req.s1g_capa_mask));
11031 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
11032 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
11034 memcpy(&req.s1g_capa,
11035 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
11036 sizeof(req.s1g_capa));
11039 req.link_id = nl80211_link_id_or_invalid(info->attrs);
11041 if (info->attrs[NL80211_ATTR_MLO_LINKS]) {
11042 unsigned int attrsize = NUM_NL80211_ATTR * sizeof(*attrs);
11043 struct nlattr *link;
11046 if (req.link_id < 0)
11049 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
11052 if (info->attrs[NL80211_ATTR_MAC] ||
11053 info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11054 !info->attrs[NL80211_ATTR_MLD_ADDR])
11057 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
11058 ap_addr = req.ap_mld_addr;
11060 attrs = kzalloc(attrsize, GFP_KERNEL);
11064 nla_for_each_nested(link,
11065 info->attrs[NL80211_ATTR_MLO_LINKS],
11067 memset(attrs, 0, attrsize);
11069 nla_parse_nested(attrs, NL80211_ATTR_MAX,
11072 if (!attrs[NL80211_ATTR_MLO_LINK_ID]) {
11077 link_id = nla_get_u8(attrs[NL80211_ATTR_MLO_LINK_ID]);
11078 /* cannot use the same link ID again */
11079 if (req.links[link_id].bss) {
11083 req.links[link_id].bss =
11084 nl80211_assoc_bss(rdev, ssid, ssid_len, attrs);
11085 if (IS_ERR(req.links[link_id].bss)) {
11086 err = PTR_ERR(req.links[link_id].bss);
11087 req.links[link_id].bss = NULL;
11091 if (attrs[NL80211_ATTR_IE]) {
11092 req.links[link_id].elems =
11093 nla_data(attrs[NL80211_ATTR_IE]);
11094 req.links[link_id].elems_len =
11095 nla_len(attrs[NL80211_ATTR_IE]);
11097 if (cfg80211_find_elem(WLAN_EID_FRAGMENT,
11098 req.links[link_id].elems,
11099 req.links[link_id].elems_len)) {
11100 GENL_SET_ERR_MSG(info,
11101 "cannot deal with fragmentation");
11106 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
11107 req.links[link_id].elems,
11108 req.links[link_id].elems_len)) {
11109 GENL_SET_ERR_MSG(info,
11110 "cannot deal with non-inheritance");
11117 if (!req.links[req.link_id].bss) {
11122 if (req.links[req.link_id].elems_len) {
11123 GENL_SET_ERR_MSG(info,
11124 "cannot have per-link elems on assoc link");
11132 if (req.link_id >= 0)
11135 req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs);
11136 if (IS_ERR(req.bss))
11137 return PTR_ERR(req.bss);
11138 ap_addr = req.bss->bssid;
11141 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
11143 wdev_lock(dev->ieee80211_ptr);
11145 err = cfg80211_mlme_assoc(rdev, dev, &req);
11147 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11148 dev->ieee80211_ptr->conn_owner_nlportid =
11150 memcpy(dev->ieee80211_ptr->disconnect_bssid,
11151 ap_addr, ETH_ALEN);
11154 wdev_unlock(dev->ieee80211_ptr);
11158 for (link_id = 0; link_id < ARRAY_SIZE(req.links); link_id++)
11159 cfg80211_put_bss(&rdev->wiphy, req.links[link_id].bss);
11160 cfg80211_put_bss(&rdev->wiphy, req.bss);
11166 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
11168 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11169 struct net_device *dev = info->user_ptr[1];
11170 const u8 *ie = NULL, *bssid;
11171 int ie_len = 0, err;
11173 bool local_state_change;
11175 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11176 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11179 if (!info->attrs[NL80211_ATTR_MAC])
11182 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11185 if (!rdev->ops->deauth)
11186 return -EOPNOTSUPP;
11188 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11189 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11190 return -EOPNOTSUPP;
11192 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11194 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11195 if (reason_code == 0) {
11196 /* Reason Code 0 is reserved */
11200 if (info->attrs[NL80211_ATTR_IE]) {
11201 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11202 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11205 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11207 wdev_lock(dev->ieee80211_ptr);
11208 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
11209 local_state_change);
11210 wdev_unlock(dev->ieee80211_ptr);
11214 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
11216 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11217 struct net_device *dev = info->user_ptr[1];
11218 const u8 *ie = NULL, *bssid;
11219 int ie_len = 0, err;
11221 bool local_state_change;
11223 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11224 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11227 if (!info->attrs[NL80211_ATTR_MAC])
11230 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11233 if (!rdev->ops->disassoc)
11234 return -EOPNOTSUPP;
11236 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11237 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11238 return -EOPNOTSUPP;
11240 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11242 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11243 if (reason_code == 0) {
11244 /* Reason Code 0 is reserved */
11248 if (info->attrs[NL80211_ATTR_IE]) {
11249 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11250 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11253 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11255 wdev_lock(dev->ieee80211_ptr);
11256 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
11257 local_state_change);
11258 wdev_unlock(dev->ieee80211_ptr);
11263 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
11264 int mcast_rate[NUM_NL80211_BANDS],
11267 struct wiphy *wiphy = &rdev->wiphy;
11268 bool found = false;
11271 for (band = 0; band < NUM_NL80211_BANDS; band++) {
11272 struct ieee80211_supported_band *sband;
11274 sband = wiphy->bands[band];
11278 for (i = 0; i < sband->n_bitrates; i++) {
11279 if (sband->bitrates[i].bitrate == rateval) {
11280 mcast_rate[band] = i + 1;
11290 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
11292 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11293 struct net_device *dev = info->user_ptr[1];
11294 struct cfg80211_ibss_params ibss;
11295 struct wiphy *wiphy;
11296 struct cfg80211_cached_keys *connkeys = NULL;
11299 memset(&ibss, 0, sizeof(ibss));
11301 if (!info->attrs[NL80211_ATTR_SSID] ||
11302 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11305 ibss.beacon_interval = 100;
11307 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
11308 ibss.beacon_interval =
11309 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11311 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
11312 ibss.beacon_interval);
11316 if (!rdev->ops->join_ibss)
11317 return -EOPNOTSUPP;
11319 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11320 return -EOPNOTSUPP;
11322 wiphy = &rdev->wiphy;
11324 if (info->attrs[NL80211_ATTR_MAC]) {
11325 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11327 if (!is_valid_ether_addr(ibss.bssid))
11330 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11331 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11333 if (info->attrs[NL80211_ATTR_IE]) {
11334 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11335 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11338 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
11342 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
11343 NL80211_IFTYPE_ADHOC))
11346 switch (ibss.chandef.width) {
11347 case NL80211_CHAN_WIDTH_5:
11348 case NL80211_CHAN_WIDTH_10:
11349 case NL80211_CHAN_WIDTH_20_NOHT:
11351 case NL80211_CHAN_WIDTH_20:
11352 case NL80211_CHAN_WIDTH_40:
11353 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11356 case NL80211_CHAN_WIDTH_80:
11357 case NL80211_CHAN_WIDTH_80P80:
11358 case NL80211_CHAN_WIDTH_160:
11359 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11361 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11362 NL80211_EXT_FEATURE_VHT_IBSS))
11365 case NL80211_CHAN_WIDTH_320:
11371 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
11372 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
11374 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11376 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11378 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11379 struct ieee80211_supported_band *sband =
11380 wiphy->bands[ibss.chandef.chan->band];
11382 err = ieee80211_get_ratemask(sband, rates, n_rates,
11383 &ibss.basic_rates);
11388 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11389 memcpy(&ibss.ht_capa_mask,
11390 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11391 sizeof(ibss.ht_capa_mask));
11393 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11394 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11396 memcpy(&ibss.ht_capa,
11397 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11398 sizeof(ibss.ht_capa));
11401 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11402 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
11403 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11406 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
11407 bool no_ht = false;
11409 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
11410 if (IS_ERR(connkeys))
11411 return PTR_ERR(connkeys);
11413 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
11415 kfree_sensitive(connkeys);
11420 ibss.control_port =
11421 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
11423 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11424 int r = validate_pae_over_nl80211(rdev, info);
11427 kfree_sensitive(connkeys);
11431 ibss.control_port_over_nl80211 = true;
11434 ibss.userspace_handles_dfs =
11435 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11437 wdev_lock(dev->ieee80211_ptr);
11438 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
11440 kfree_sensitive(connkeys);
11441 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
11442 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11443 wdev_unlock(dev->ieee80211_ptr);
11448 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
11450 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11451 struct net_device *dev = info->user_ptr[1];
11453 if (!rdev->ops->leave_ibss)
11454 return -EOPNOTSUPP;
11456 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11457 return -EOPNOTSUPP;
11459 return cfg80211_leave_ibss(rdev, dev, false);
11462 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
11464 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11465 struct net_device *dev = info->user_ptr[1];
11466 int mcast_rate[NUM_NL80211_BANDS];
11469 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
11470 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
11471 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
11472 return -EOPNOTSUPP;
11474 if (!rdev->ops->set_mcast_rate)
11475 return -EOPNOTSUPP;
11477 memset(mcast_rate, 0, sizeof(mcast_rate));
11479 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
11482 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
11483 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
11486 return rdev_set_mcast_rate(rdev, dev, mcast_rate);
11489 static struct sk_buff *
11490 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
11491 struct wireless_dev *wdev, int approxlen,
11492 u32 portid, u32 seq, enum nl80211_commands cmd,
11493 enum nl80211_attrs attr,
11494 const struct nl80211_vendor_cmd_info *info,
11497 struct sk_buff *skb;
11499 struct nlattr *data;
11501 skb = nlmsg_new(approxlen + 100, gfp);
11505 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
11511 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
11512 goto nla_put_failure;
11515 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
11517 goto nla_put_failure;
11518 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
11520 goto nla_put_failure;
11524 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
11525 wdev_id(wdev), NL80211_ATTR_PAD))
11526 goto nla_put_failure;
11527 if (wdev->netdev &&
11528 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
11529 wdev->netdev->ifindex))
11530 goto nla_put_failure;
11533 data = nla_nest_start_noflag(skb, attr);
11535 goto nla_put_failure;
11537 ((void **)skb->cb)[0] = rdev;
11538 ((void **)skb->cb)[1] = hdr;
11539 ((void **)skb->cb)[2] = data;
11548 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
11549 struct wireless_dev *wdev,
11550 enum nl80211_commands cmd,
11551 enum nl80211_attrs attr,
11552 unsigned int portid,
11553 int vendor_event_idx,
11554 int approxlen, gfp_t gfp)
11556 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11557 const struct nl80211_vendor_cmd_info *info;
11560 case NL80211_CMD_TESTMODE:
11561 if (WARN_ON(vendor_event_idx != -1))
11565 case NL80211_CMD_VENDOR:
11566 if (WARN_ON(vendor_event_idx < 0 ||
11567 vendor_event_idx >= wiphy->n_vendor_events))
11569 info = &wiphy->vendor_events[vendor_event_idx];
11576 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
11577 cmd, attr, info, gfp);
11579 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
11581 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
11583 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
11584 void *hdr = ((void **)skb->cb)[1];
11585 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
11586 struct nlattr *data = ((void **)skb->cb)[2];
11587 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
11589 /* clear CB data for netlink core to own from now on */
11590 memset(skb->cb, 0, sizeof(skb->cb));
11592 nla_nest_end(skb, data);
11593 genlmsg_end(skb, hdr);
11595 if (nlhdr->nlmsg_pid) {
11596 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
11599 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
11600 mcgrp = NL80211_MCGRP_VENDOR;
11602 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11603 skb, 0, mcgrp, gfp);
11606 EXPORT_SYMBOL(__cfg80211_send_event_skb);
11608 #ifdef CONFIG_NL80211_TESTMODE
11609 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
11611 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11612 struct wireless_dev *wdev;
11615 lockdep_assert_held(&rdev->wiphy.mtx);
11617 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
11620 if (!rdev->ops->testmode_cmd)
11621 return -EOPNOTSUPP;
11623 if (IS_ERR(wdev)) {
11624 err = PTR_ERR(wdev);
11625 if (err != -EINVAL)
11628 } else if (wdev->wiphy != &rdev->wiphy) {
11632 if (!info->attrs[NL80211_ATTR_TESTDATA])
11635 rdev->cur_cmd_info = info;
11636 err = rdev_testmode_cmd(rdev, wdev,
11637 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
11638 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
11639 rdev->cur_cmd_info = NULL;
11644 static int nl80211_testmode_dump(struct sk_buff *skb,
11645 struct netlink_callback *cb)
11647 struct cfg80211_registered_device *rdev;
11648 struct nlattr **attrbuf = NULL;
11658 * 0 is a valid index, but not valid for args[0],
11659 * so we need to offset by 1.
11661 phy_idx = cb->args[0] - 1;
11663 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
11669 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
11676 err = nlmsg_parse_deprecated(cb->nlh,
11677 GENL_HDRLEN + nl80211_fam.hdrsize,
11678 attrbuf, nl80211_fam.maxattr,
11679 nl80211_policy, NULL);
11683 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
11684 if (IS_ERR(rdev)) {
11685 err = PTR_ERR(rdev);
11688 phy_idx = rdev->wiphy_idx;
11690 if (attrbuf[NL80211_ATTR_TESTDATA])
11691 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
11695 data = nla_data((void *)cb->args[1]);
11696 data_len = nla_len((void *)cb->args[1]);
11699 if (!rdev->ops->testmode_dump) {
11705 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
11706 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11707 NL80211_CMD_TESTMODE);
11708 struct nlattr *tmdata;
11713 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
11714 genlmsg_cancel(skb, hdr);
11718 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
11720 genlmsg_cancel(skb, hdr);
11723 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
11724 nla_nest_end(skb, tmdata);
11726 if (err == -ENOBUFS || err == -ENOENT) {
11727 genlmsg_cancel(skb, hdr);
11730 genlmsg_cancel(skb, hdr);
11734 genlmsg_end(skb, hdr);
11739 cb->args[0] = phy_idx + 1;
11747 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
11749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11750 struct net_device *dev = info->user_ptr[1];
11751 struct cfg80211_connect_params connect;
11752 struct wiphy *wiphy;
11753 struct cfg80211_cached_keys *connkeys = NULL;
11757 memset(&connect, 0, sizeof(connect));
11759 if (!info->attrs[NL80211_ATTR_SSID] ||
11760 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11763 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11764 connect.auth_type =
11765 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11766 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
11767 NL80211_CMD_CONNECT))
11770 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
11772 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
11774 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
11775 !wiphy_ext_feature_isset(&rdev->wiphy,
11776 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
11778 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
11780 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
11781 NL80211_MAX_NR_CIPHER_SUITES);
11785 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11786 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11787 return -EOPNOTSUPP;
11789 wiphy = &rdev->wiphy;
11791 connect.bg_scan_period = -1;
11792 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
11793 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
11794 connect.bg_scan_period =
11795 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
11798 if (info->attrs[NL80211_ATTR_MAC])
11799 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11800 else if (info->attrs[NL80211_ATTR_MAC_HINT])
11801 connect.bssid_hint =
11802 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
11803 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11804 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11806 if (info->attrs[NL80211_ATTR_IE]) {
11807 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11808 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11811 if (info->attrs[NL80211_ATTR_USE_MFP]) {
11812 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
11813 if (connect.mfp == NL80211_MFP_OPTIONAL &&
11814 !wiphy_ext_feature_isset(&rdev->wiphy,
11815 NL80211_EXT_FEATURE_MFP_OPTIONAL))
11816 return -EOPNOTSUPP;
11818 connect.mfp = NL80211_MFP_NO;
11821 if (info->attrs[NL80211_ATTR_PREV_BSSID])
11822 connect.prev_bssid =
11823 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
11825 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
11826 freq = MHZ_TO_KHZ(nla_get_u32(
11827 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
11828 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
11830 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
11833 connect.channel = nl80211_get_valid_chan(wiphy, freq);
11834 if (!connect.channel)
11836 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
11837 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
11838 freq = MHZ_TO_KHZ(freq);
11839 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
11840 if (!connect.channel_hint)
11844 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
11845 connect.edmg.channels =
11846 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
11848 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
11849 connect.edmg.bw_config =
11850 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
11853 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
11854 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
11855 if (IS_ERR(connkeys))
11856 return PTR_ERR(connkeys);
11859 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
11860 connect.flags |= ASSOC_REQ_DISABLE_HT;
11862 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11863 memcpy(&connect.ht_capa_mask,
11864 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11865 sizeof(connect.ht_capa_mask));
11867 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11868 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
11869 kfree_sensitive(connkeys);
11872 memcpy(&connect.ht_capa,
11873 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11874 sizeof(connect.ht_capa));
11877 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
11878 connect.flags |= ASSOC_REQ_DISABLE_VHT;
11880 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
11881 connect.flags |= ASSOC_REQ_DISABLE_HE;
11883 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
11884 connect.flags |= ASSOC_REQ_DISABLE_EHT;
11886 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11887 memcpy(&connect.vht_capa_mask,
11888 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
11889 sizeof(connect.vht_capa_mask));
11891 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
11892 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
11893 kfree_sensitive(connkeys);
11896 memcpy(&connect.vht_capa,
11897 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
11898 sizeof(connect.vht_capa));
11901 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
11902 if (!((rdev->wiphy.features &
11903 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
11904 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
11905 !wiphy_ext_feature_isset(&rdev->wiphy,
11906 NL80211_EXT_FEATURE_RRM)) {
11907 kfree_sensitive(connkeys);
11910 connect.flags |= ASSOC_REQ_USE_RRM;
11913 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
11914 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
11915 kfree_sensitive(connkeys);
11916 return -EOPNOTSUPP;
11919 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
11920 /* bss selection makes no sense if bssid is set */
11921 if (connect.bssid) {
11922 kfree_sensitive(connkeys);
11926 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
11927 wiphy, &connect.bss_select);
11929 kfree_sensitive(connkeys);
11934 if (wiphy_ext_feature_isset(&rdev->wiphy,
11935 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
11936 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
11937 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
11938 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
11939 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11940 connect.fils_erp_username =
11941 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11942 connect.fils_erp_username_len =
11943 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11944 connect.fils_erp_realm =
11945 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11946 connect.fils_erp_realm_len =
11947 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11948 connect.fils_erp_next_seq_num =
11950 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
11951 connect.fils_erp_rrk =
11952 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11953 connect.fils_erp_rrk_len =
11954 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11955 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
11956 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
11957 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
11958 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11959 kfree_sensitive(connkeys);
11963 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
11964 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11965 kfree_sensitive(connkeys);
11966 GENL_SET_ERR_MSG(info,
11967 "external auth requires connection ownership");
11970 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
11973 if (nla_get_flag(info->attrs[NL80211_ATTR_MLO_SUPPORT]))
11974 connect.flags |= CONNECT_REQ_MLO_SUPPORT;
11976 wdev_lock(dev->ieee80211_ptr);
11978 err = cfg80211_connect(rdev, dev, &connect, connkeys,
11979 connect.prev_bssid);
11981 kfree_sensitive(connkeys);
11983 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11984 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11986 memcpy(dev->ieee80211_ptr->disconnect_bssid,
11987 connect.bssid, ETH_ALEN);
11989 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
11992 wdev_unlock(dev->ieee80211_ptr);
11997 static int nl80211_update_connect_params(struct sk_buff *skb,
11998 struct genl_info *info)
12000 struct cfg80211_connect_params connect = {};
12001 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12002 struct net_device *dev = info->user_ptr[1];
12003 struct wireless_dev *wdev = dev->ieee80211_ptr;
12004 bool fils_sk_offload;
12009 if (!rdev->ops->update_connect_params)
12010 return -EOPNOTSUPP;
12012 if (info->attrs[NL80211_ATTR_IE]) {
12013 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12014 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12015 changed |= UPDATE_ASSOC_IES;
12018 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
12019 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
12022 * when driver supports fils-sk offload all attributes must be
12023 * provided. So the else covers "fils-sk-not-all" and
12024 * "no-fils-sk-any".
12026 if (fils_sk_offload &&
12027 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
12028 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
12029 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
12030 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12031 connect.fils_erp_username =
12032 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12033 connect.fils_erp_username_len =
12034 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12035 connect.fils_erp_realm =
12036 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12037 connect.fils_erp_realm_len =
12038 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12039 connect.fils_erp_next_seq_num =
12041 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
12042 connect.fils_erp_rrk =
12043 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12044 connect.fils_erp_rrk_len =
12045 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12046 changed |= UPDATE_FILS_ERP_INFO;
12047 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
12048 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
12049 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
12050 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12054 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
12055 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
12056 if (!nl80211_valid_auth_type(rdev, auth_type,
12057 NL80211_CMD_CONNECT))
12060 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
12061 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
12064 connect.auth_type = auth_type;
12065 changed |= UPDATE_AUTH_TYPE;
12068 wdev_lock(dev->ieee80211_ptr);
12069 if (!wdev->connected)
12072 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
12073 wdev_unlock(dev->ieee80211_ptr);
12078 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
12080 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12081 struct net_device *dev = info->user_ptr[1];
12085 if (dev->ieee80211_ptr->conn_owner_nlportid &&
12086 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
12089 if (!info->attrs[NL80211_ATTR_REASON_CODE])
12090 reason = WLAN_REASON_DEAUTH_LEAVING;
12092 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
12097 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12098 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12099 return -EOPNOTSUPP;
12101 wdev_lock(dev->ieee80211_ptr);
12102 ret = cfg80211_disconnect(rdev, dev, reason, true);
12103 wdev_unlock(dev->ieee80211_ptr);
12107 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
12109 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12113 if (info->attrs[NL80211_ATTR_PID]) {
12114 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
12116 net = get_net_ns_by_pid(pid);
12117 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
12118 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
12120 net = get_net_ns_by_fd(fd);
12126 return PTR_ERR(net);
12130 /* check if anything to do */
12131 if (!net_eq(wiphy_net(&rdev->wiphy), net))
12132 err = cfg80211_switch_netns(rdev, net);
12138 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
12140 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12141 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
12142 struct cfg80211_pmksa *pmksa) = NULL;
12143 struct net_device *dev = info->user_ptr[1];
12144 struct cfg80211_pmksa pmksa;
12146 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
12148 if (!info->attrs[NL80211_ATTR_PMKID])
12151 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
12153 if (info->attrs[NL80211_ATTR_MAC]) {
12154 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
12155 } else if (info->attrs[NL80211_ATTR_SSID] &&
12156 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
12157 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
12158 info->attrs[NL80211_ATTR_PMK])) {
12159 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
12160 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
12162 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
12166 if (info->attrs[NL80211_ATTR_PMK]) {
12167 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
12168 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
12171 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
12172 pmksa.pmk_lifetime =
12173 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
12175 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
12176 pmksa.pmk_reauth_threshold =
12178 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
12180 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12181 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
12182 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
12183 wiphy_ext_feature_isset(&rdev->wiphy,
12184 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
12185 return -EOPNOTSUPP;
12187 switch (info->genlhdr->cmd) {
12188 case NL80211_CMD_SET_PMKSA:
12189 rdev_ops = rdev->ops->set_pmksa;
12191 case NL80211_CMD_DEL_PMKSA:
12192 rdev_ops = rdev->ops->del_pmksa;
12200 return -EOPNOTSUPP;
12202 return rdev_ops(&rdev->wiphy, dev, &pmksa);
12205 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
12207 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12208 struct net_device *dev = info->user_ptr[1];
12210 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12211 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12212 return -EOPNOTSUPP;
12214 if (!rdev->ops->flush_pmksa)
12215 return -EOPNOTSUPP;
12217 return rdev_flush_pmksa(rdev, dev);
12220 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
12222 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12223 struct net_device *dev = info->user_ptr[1];
12224 u8 action_code, dialog_token;
12225 u32 peer_capability = 0;
12230 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12231 !rdev->ops->tdls_mgmt)
12232 return -EOPNOTSUPP;
12234 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
12235 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
12236 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
12237 !info->attrs[NL80211_ATTR_IE] ||
12238 !info->attrs[NL80211_ATTR_MAC])
12241 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12242 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
12243 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
12244 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
12245 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
12246 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
12248 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
12250 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
12251 dialog_token, status_code, peer_capability,
12253 nla_data(info->attrs[NL80211_ATTR_IE]),
12254 nla_len(info->attrs[NL80211_ATTR_IE]));
12257 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
12259 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12260 struct net_device *dev = info->user_ptr[1];
12261 enum nl80211_tdls_operation operation;
12264 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12265 !rdev->ops->tdls_oper)
12266 return -EOPNOTSUPP;
12268 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
12269 !info->attrs[NL80211_ATTR_MAC])
12272 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
12273 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12275 return rdev_tdls_oper(rdev, dev, peer, operation);
12278 static int nl80211_remain_on_channel(struct sk_buff *skb,
12279 struct genl_info *info)
12281 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12282 unsigned int link_id = nl80211_link_id(info->attrs);
12283 struct wireless_dev *wdev = info->user_ptr[1];
12284 struct cfg80211_chan_def chandef;
12285 struct sk_buff *msg;
12291 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
12292 !info->attrs[NL80211_ATTR_DURATION])
12295 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12297 if (!rdev->ops->remain_on_channel ||
12298 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
12299 return -EOPNOTSUPP;
12302 * We should be on that channel for at least a minimum amount of
12303 * time (10ms) but no longer than the driver supports.
12305 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12306 duration > rdev->wiphy.max_remain_on_channel_duration)
12309 err = nl80211_parse_chandef(rdev, info, &chandef);
12314 if (!cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
12315 const struct cfg80211_chan_def *oper_chandef, *compat_chandef;
12317 oper_chandef = wdev_chandef(wdev, link_id);
12319 if (WARN_ON(!oper_chandef)) {
12320 /* cannot happen since we must beacon to get here */
12326 /* note: returns first one if identical chandefs */
12327 compat_chandef = cfg80211_chandef_compatible(&chandef,
12330 if (compat_chandef != &chandef) {
12337 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12341 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12342 NL80211_CMD_REMAIN_ON_CHANNEL);
12348 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
12349 duration, &cookie);
12354 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12356 goto nla_put_failure;
12358 genlmsg_end(msg, hdr);
12360 return genlmsg_reply(msg, info);
12369 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
12370 struct genl_info *info)
12372 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12373 struct wireless_dev *wdev = info->user_ptr[1];
12376 if (!info->attrs[NL80211_ATTR_COOKIE])
12379 if (!rdev->ops->cancel_remain_on_channel)
12380 return -EOPNOTSUPP;
12382 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12384 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
12387 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
12388 struct genl_info *info)
12390 struct cfg80211_bitrate_mask mask;
12391 unsigned int link_id = nl80211_link_id(info->attrs);
12392 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12393 struct net_device *dev = info->user_ptr[1];
12394 struct wireless_dev *wdev = dev->ieee80211_ptr;
12397 if (!rdev->ops->set_bitrate_mask)
12398 return -EOPNOTSUPP;
12401 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
12402 NL80211_ATTR_TX_RATES, &mask,
12403 dev, true, link_id);
12407 err = rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
12413 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
12415 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12416 struct wireless_dev *wdev = info->user_ptr[1];
12417 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
12419 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
12422 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
12423 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
12425 switch (wdev->iftype) {
12426 case NL80211_IFTYPE_STATION:
12427 case NL80211_IFTYPE_ADHOC:
12428 case NL80211_IFTYPE_P2P_CLIENT:
12429 case NL80211_IFTYPE_AP:
12430 case NL80211_IFTYPE_AP_VLAN:
12431 case NL80211_IFTYPE_MESH_POINT:
12432 case NL80211_IFTYPE_P2P_GO:
12433 case NL80211_IFTYPE_P2P_DEVICE:
12435 case NL80211_IFTYPE_NAN:
12436 if (!wiphy_ext_feature_isset(wdev->wiphy,
12437 NL80211_EXT_FEATURE_SECURE_NAN))
12438 return -EOPNOTSUPP;
12441 return -EOPNOTSUPP;
12444 /* not much point in registering if we can't reply */
12445 if (!rdev->ops->mgmt_tx)
12446 return -EOPNOTSUPP;
12448 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
12449 !wiphy_ext_feature_isset(&rdev->wiphy,
12450 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
12451 GENL_SET_ERR_MSG(info,
12452 "multicast RX registrations are not supported");
12453 return -EOPNOTSUPP;
12456 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
12457 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12458 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12459 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
12463 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
12465 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12466 struct wireless_dev *wdev = info->user_ptr[1];
12467 struct cfg80211_chan_def chandef;
12471 struct sk_buff *msg = NULL;
12472 struct cfg80211_mgmt_tx_params params = {
12473 .dont_wait_for_ack =
12474 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
12477 if (!info->attrs[NL80211_ATTR_FRAME])
12480 if (!rdev->ops->mgmt_tx)
12481 return -EOPNOTSUPP;
12483 switch (wdev->iftype) {
12484 case NL80211_IFTYPE_P2P_DEVICE:
12485 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
12488 case NL80211_IFTYPE_STATION:
12489 case NL80211_IFTYPE_ADHOC:
12490 case NL80211_IFTYPE_P2P_CLIENT:
12491 case NL80211_IFTYPE_AP:
12492 case NL80211_IFTYPE_AP_VLAN:
12493 case NL80211_IFTYPE_MESH_POINT:
12494 case NL80211_IFTYPE_P2P_GO:
12496 case NL80211_IFTYPE_NAN:
12497 if (!wiphy_ext_feature_isset(wdev->wiphy,
12498 NL80211_EXT_FEATURE_SECURE_NAN))
12499 return -EOPNOTSUPP;
12502 return -EOPNOTSUPP;
12505 if (info->attrs[NL80211_ATTR_DURATION]) {
12506 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
12508 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12511 * We should wait on the channel for at least a minimum amount
12512 * of time (10ms) but no longer than the driver supports.
12514 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12515 params.wait > rdev->wiphy.max_remain_on_channel_duration)
12519 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
12521 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
12524 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
12526 /* get the channel if any has been specified, otherwise pass NULL to
12527 * the driver. The latter will use the current one
12529 chandef.chan = NULL;
12530 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
12531 err = nl80211_parse_chandef(rdev, info, &chandef);
12536 if (!chandef.chan && params.offchan)
12540 if (params.offchan &&
12541 !cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
12546 params.link_id = nl80211_link_id_or_invalid(info->attrs);
12548 * This now races due to the unlock, but we cannot check
12549 * the valid links for the _station_ anyway, so that's up
12552 if (params.link_id >= 0 &&
12553 !(wdev->valid_links & BIT(params.link_id))) {
12559 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
12560 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
12562 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
12563 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12566 if (len % sizeof(u16))
12569 params.n_csa_offsets = len / sizeof(u16);
12570 params.csa_offsets =
12571 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12573 /* check that all the offsets fit the frame */
12574 for (i = 0; i < params.n_csa_offsets; i++) {
12575 if (params.csa_offsets[i] >= params.len)
12580 if (!params.dont_wait_for_ack) {
12581 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12585 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12586 NL80211_CMD_FRAME);
12593 params.chan = chandef.chan;
12594 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
12599 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12601 goto nla_put_failure;
12603 genlmsg_end(msg, hdr);
12604 return genlmsg_reply(msg, info);
12616 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
12618 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12619 struct wireless_dev *wdev = info->user_ptr[1];
12622 if (!info->attrs[NL80211_ATTR_COOKIE])
12625 if (!rdev->ops->mgmt_tx_cancel_wait)
12626 return -EOPNOTSUPP;
12628 switch (wdev->iftype) {
12629 case NL80211_IFTYPE_STATION:
12630 case NL80211_IFTYPE_ADHOC:
12631 case NL80211_IFTYPE_P2P_CLIENT:
12632 case NL80211_IFTYPE_AP:
12633 case NL80211_IFTYPE_AP_VLAN:
12634 case NL80211_IFTYPE_P2P_GO:
12635 case NL80211_IFTYPE_P2P_DEVICE:
12637 case NL80211_IFTYPE_NAN:
12638 if (!wiphy_ext_feature_isset(wdev->wiphy,
12639 NL80211_EXT_FEATURE_SECURE_NAN))
12640 return -EOPNOTSUPP;
12643 return -EOPNOTSUPP;
12646 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12648 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
12651 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
12653 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12654 struct wireless_dev *wdev;
12655 struct net_device *dev = info->user_ptr[1];
12660 if (!info->attrs[NL80211_ATTR_PS_STATE])
12663 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
12665 wdev = dev->ieee80211_ptr;
12667 if (!rdev->ops->set_power_mgmt)
12668 return -EOPNOTSUPP;
12670 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
12672 if (state == wdev->ps)
12675 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
12681 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
12683 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12684 enum nl80211_ps_state ps_state;
12685 struct wireless_dev *wdev;
12686 struct net_device *dev = info->user_ptr[1];
12687 struct sk_buff *msg;
12691 wdev = dev->ieee80211_ptr;
12693 if (!rdev->ops->set_power_mgmt)
12694 return -EOPNOTSUPP;
12696 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12700 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12701 NL80211_CMD_GET_POWER_SAVE);
12708 ps_state = NL80211_PS_ENABLED;
12710 ps_state = NL80211_PS_DISABLED;
12712 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
12713 goto nla_put_failure;
12715 genlmsg_end(msg, hdr);
12716 return genlmsg_reply(msg, info);
12725 static const struct nla_policy
12726 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
12727 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
12728 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
12729 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
12730 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
12731 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
12732 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
12733 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
12736 static int nl80211_set_cqm_txe(struct genl_info *info,
12737 u32 rate, u32 pkts, u32 intvl)
12739 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12740 struct net_device *dev = info->user_ptr[1];
12741 struct wireless_dev *wdev = dev->ieee80211_ptr;
12743 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
12746 if (!rdev->ops->set_cqm_txe_config)
12747 return -EOPNOTSUPP;
12749 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12750 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12751 return -EOPNOTSUPP;
12753 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
12756 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
12757 struct net_device *dev)
12759 struct wireless_dev *wdev = dev->ieee80211_ptr;
12760 s32 last, low, high;
12762 int i, n, low_index;
12765 /* RSSI reporting disabled? */
12766 if (!wdev->cqm_config)
12767 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
12770 * Obtain current RSSI value if possible, if not and no RSSI threshold
12771 * event has been received yet, we should receive an event after a
12772 * connection is established and enough beacons received to calculate
12775 if (!wdev->cqm_config->last_rssi_event_value &&
12776 wdev->links[0].client.current_bss &&
12777 rdev->ops->get_station) {
12778 struct station_info sinfo = {};
12781 mac_addr = wdev->links[0].client.current_bss->pub.bssid;
12783 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
12787 cfg80211_sinfo_release_content(&sinfo);
12788 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
12789 wdev->cqm_config->last_rssi_event_value =
12790 (s8) sinfo.rx_beacon_signal_avg;
12793 last = wdev->cqm_config->last_rssi_event_value;
12794 hyst = wdev->cqm_config->rssi_hyst;
12795 n = wdev->cqm_config->n_rssi_thresholds;
12797 for (i = 0; i < n; i++) {
12798 i = array_index_nospec(i, n);
12799 if (last < wdev->cqm_config->rssi_thresholds[i])
12804 if (low_index >= 0) {
12805 low_index = array_index_nospec(low_index, n);
12806 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
12811 i = array_index_nospec(i, n);
12812 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
12817 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
12820 static int nl80211_set_cqm_rssi(struct genl_info *info,
12821 const s32 *thresholds, int n_thresholds,
12824 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12825 struct net_device *dev = info->user_ptr[1];
12826 struct wireless_dev *wdev = dev->ieee80211_ptr;
12828 s32 prev = S32_MIN;
12830 /* Check all values negative and sorted */
12831 for (i = 0; i < n_thresholds; i++) {
12832 if (thresholds[i] > 0 || thresholds[i] <= prev)
12835 prev = thresholds[i];
12838 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12839 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12840 return -EOPNOTSUPP;
12843 cfg80211_cqm_config_free(wdev);
12846 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
12847 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
12848 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
12850 return rdev_set_cqm_rssi_config(rdev, dev,
12851 thresholds[0], hysteresis);
12854 if (!wiphy_ext_feature_isset(&rdev->wiphy,
12855 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
12856 return -EOPNOTSUPP;
12858 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
12862 if (n_thresholds) {
12863 struct cfg80211_cqm_config *cqm_config;
12865 cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds,
12873 cqm_config->rssi_hyst = hysteresis;
12874 cqm_config->n_rssi_thresholds = n_thresholds;
12875 memcpy(cqm_config->rssi_thresholds, thresholds,
12876 flex_array_size(cqm_config, rssi_thresholds,
12879 wdev->cqm_config = cqm_config;
12882 err = cfg80211_cqm_rssi_update(rdev, dev);
12890 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
12892 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
12893 struct nlattr *cqm;
12896 cqm = info->attrs[NL80211_ATTR_CQM];
12900 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
12901 nl80211_attr_cqm_policy,
12906 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
12907 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
12908 const s32 *thresholds =
12909 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
12910 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
12911 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
12916 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
12920 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
12921 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
12922 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
12923 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
12924 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
12925 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
12927 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
12933 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
12935 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12936 struct net_device *dev = info->user_ptr[1];
12937 struct ocb_setup setup = {};
12940 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
12944 return cfg80211_join_ocb(rdev, dev, &setup);
12947 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
12949 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12950 struct net_device *dev = info->user_ptr[1];
12952 return cfg80211_leave_ocb(rdev, dev);
12955 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
12957 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12958 struct net_device *dev = info->user_ptr[1];
12959 struct mesh_config cfg;
12960 struct mesh_setup setup;
12963 /* start with default */
12964 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
12965 memcpy(&setup, &default_mesh_setup, sizeof(setup));
12967 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
12968 /* and parse parameters if given */
12969 err = nl80211_parse_mesh_config(info, &cfg, NULL);
12974 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
12975 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
12978 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
12979 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
12981 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
12982 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
12983 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
12986 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
12987 setup.beacon_interval =
12988 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12990 err = cfg80211_validate_beacon_int(rdev,
12991 NL80211_IFTYPE_MESH_POINT,
12992 setup.beacon_interval);
12997 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
12998 setup.dtim_period =
12999 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
13000 if (setup.dtim_period < 1 || setup.dtim_period > 100)
13004 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
13005 /* parse additional setup parameters if given */
13006 err = nl80211_parse_mesh_setup(info, &setup);
13011 if (setup.user_mpm)
13012 cfg.auto_open_plinks = false;
13014 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
13015 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
13019 /* __cfg80211_join_mesh() will sort it out */
13020 setup.chandef.chan = NULL;
13023 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
13024 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
13026 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
13027 struct ieee80211_supported_band *sband;
13029 if (!setup.chandef.chan)
13032 sband = rdev->wiphy.bands[setup.chandef.chan->band];
13034 err = ieee80211_get_ratemask(sband, rates, n_rates,
13035 &setup.basic_rates);
13040 if (info->attrs[NL80211_ATTR_TX_RATES]) {
13041 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
13042 NL80211_ATTR_TX_RATES,
13043 &setup.beacon_rate,
13048 if (!setup.chandef.chan)
13051 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
13052 &setup.beacon_rate);
13057 setup.userspace_handles_dfs =
13058 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
13060 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
13061 int r = validate_pae_over_nl80211(rdev, info);
13066 setup.control_port_over_nl80211 = true;
13069 wdev_lock(dev->ieee80211_ptr);
13070 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
13071 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
13072 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
13073 wdev_unlock(dev->ieee80211_ptr);
13078 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
13080 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13081 struct net_device *dev = info->user_ptr[1];
13083 return cfg80211_leave_mesh(rdev, dev);
13087 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
13088 struct cfg80211_registered_device *rdev)
13090 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
13091 struct nlattr *nl_pats, *nl_pat;
13094 if (!wowlan->n_patterns)
13097 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
13101 for (i = 0; i < wowlan->n_patterns; i++) {
13102 nl_pat = nla_nest_start_noflag(msg, i + 1);
13105 pat_len = wowlan->patterns[i].pattern_len;
13106 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
13107 wowlan->patterns[i].mask) ||
13108 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13109 wowlan->patterns[i].pattern) ||
13110 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
13111 wowlan->patterns[i].pkt_offset))
13113 nla_nest_end(msg, nl_pat);
13115 nla_nest_end(msg, nl_pats);
13120 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
13121 struct cfg80211_wowlan_tcp *tcp)
13123 struct nlattr *nl_tcp;
13128 nl_tcp = nla_nest_start_noflag(msg,
13129 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
13133 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
13134 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
13135 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
13136 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
13137 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
13138 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
13139 tcp->payload_len, tcp->payload) ||
13140 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
13141 tcp->data_interval) ||
13142 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
13143 tcp->wake_len, tcp->wake_data) ||
13144 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
13145 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
13148 if (tcp->payload_seq.len &&
13149 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
13150 sizeof(tcp->payload_seq), &tcp->payload_seq))
13153 if (tcp->payload_tok.len &&
13154 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
13155 sizeof(tcp->payload_tok) + tcp->tokens_size,
13156 &tcp->payload_tok))
13159 nla_nest_end(msg, nl_tcp);
13164 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
13165 struct cfg80211_sched_scan_request *req)
13167 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
13173 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
13177 if (req->n_scan_plans == 1 &&
13178 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
13179 req->scan_plans[0].interval * 1000))
13182 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
13185 if (req->relative_rssi_set) {
13186 struct nl80211_bss_select_rssi_adjust rssi_adjust;
13188 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
13189 req->relative_rssi))
13192 rssi_adjust.band = req->rssi_adjust.band;
13193 rssi_adjust.delta = req->rssi_adjust.delta;
13194 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
13195 sizeof(rssi_adjust), &rssi_adjust))
13199 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
13203 for (i = 0; i < req->n_channels; i++) {
13204 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
13208 nla_nest_end(msg, freqs);
13210 if (req->n_match_sets) {
13211 matches = nla_nest_start_noflag(msg,
13212 NL80211_ATTR_SCHED_SCAN_MATCH);
13216 for (i = 0; i < req->n_match_sets; i++) {
13217 match = nla_nest_start_noflag(msg, i);
13221 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
13222 req->match_sets[i].ssid.ssid_len,
13223 req->match_sets[i].ssid.ssid))
13225 nla_nest_end(msg, match);
13227 nla_nest_end(msg, matches);
13230 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
13234 for (i = 0; i < req->n_scan_plans; i++) {
13235 scan_plan = nla_nest_start_noflag(msg, i + 1);
13239 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
13240 req->scan_plans[i].interval) ||
13241 (req->scan_plans[i].iterations &&
13242 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
13243 req->scan_plans[i].iterations)))
13245 nla_nest_end(msg, scan_plan);
13247 nla_nest_end(msg, scan_plans);
13249 nla_nest_end(msg, nd);
13254 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
13256 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13257 struct sk_buff *msg;
13259 u32 size = NLMSG_DEFAULT_SIZE;
13261 if (!rdev->wiphy.wowlan)
13262 return -EOPNOTSUPP;
13264 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
13265 /* adjust size to have room for all the data */
13266 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
13267 rdev->wiphy.wowlan_config->tcp->payload_len +
13268 rdev->wiphy.wowlan_config->tcp->wake_len +
13269 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
13272 msg = nlmsg_new(size, GFP_KERNEL);
13276 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13277 NL80211_CMD_GET_WOWLAN);
13279 goto nla_put_failure;
13281 if (rdev->wiphy.wowlan_config) {
13282 struct nlattr *nl_wowlan;
13284 nl_wowlan = nla_nest_start_noflag(msg,
13285 NL80211_ATTR_WOWLAN_TRIGGERS);
13287 goto nla_put_failure;
13289 if ((rdev->wiphy.wowlan_config->any &&
13290 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
13291 (rdev->wiphy.wowlan_config->disconnect &&
13292 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
13293 (rdev->wiphy.wowlan_config->magic_pkt &&
13294 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
13295 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
13296 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
13297 (rdev->wiphy.wowlan_config->eap_identity_req &&
13298 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
13299 (rdev->wiphy.wowlan_config->four_way_handshake &&
13300 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
13301 (rdev->wiphy.wowlan_config->rfkill_release &&
13302 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
13303 goto nla_put_failure;
13305 if (nl80211_send_wowlan_patterns(msg, rdev))
13306 goto nla_put_failure;
13308 if (nl80211_send_wowlan_tcp(msg,
13309 rdev->wiphy.wowlan_config->tcp))
13310 goto nla_put_failure;
13312 if (nl80211_send_wowlan_nd(
13314 rdev->wiphy.wowlan_config->nd_config))
13315 goto nla_put_failure;
13317 nla_nest_end(msg, nl_wowlan);
13320 genlmsg_end(msg, hdr);
13321 return genlmsg_reply(msg, info);
13328 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
13329 struct nlattr *attr,
13330 struct cfg80211_wowlan *trig)
13332 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
13333 struct cfg80211_wowlan_tcp *cfg;
13334 struct nl80211_wowlan_tcp_data_token *tok = NULL;
13335 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
13337 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
13340 if (!rdev->wiphy.wowlan->tcp)
13343 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
13344 nl80211_wowlan_tcp_policy, NULL);
13348 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
13349 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
13350 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
13351 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
13352 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
13353 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
13354 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
13355 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
13358 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
13359 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
13362 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
13363 rdev->wiphy.wowlan->tcp->data_interval_max ||
13364 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
13367 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
13368 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
13371 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
13372 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
13375 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
13376 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13378 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13379 tokens_size = tokln - sizeof(*tok);
13381 if (!tok->len || tokens_size % tok->len)
13383 if (!rdev->wiphy.wowlan->tcp->tok)
13385 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
13387 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
13389 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
13391 if (tok->offset + tok->len > data_size)
13395 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
13396 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
13397 if (!rdev->wiphy.wowlan->tcp->seq)
13399 if (seq->len == 0 || seq->len > 4)
13401 if (seq->len + seq->offset > data_size)
13405 size = sizeof(*cfg);
13407 size += wake_size + wake_mask_size;
13408 size += tokens_size;
13410 cfg = kzalloc(size, GFP_KERNEL);
13413 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
13414 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
13415 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
13417 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
13418 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
13422 /* allocate a socket and port for it and use it */
13423 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
13424 IPPROTO_TCP, &cfg->sock, 1);
13429 if (inet_csk_get_port(cfg->sock->sk, port)) {
13430 sock_release(cfg->sock);
13432 return -EADDRINUSE;
13434 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
13440 cfg->src_port = port;
13443 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
13444 cfg->payload_len = data_size;
13445 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
13446 memcpy((void *)cfg->payload,
13447 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
13450 cfg->payload_seq = *seq;
13451 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
13452 cfg->wake_len = wake_size;
13453 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
13454 memcpy((void *)cfg->wake_data,
13455 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
13457 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
13458 data_size + wake_size;
13459 memcpy((void *)cfg->wake_mask,
13460 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
13463 cfg->tokens_size = tokens_size;
13464 cfg->payload_tok = *tok;
13465 memcpy(cfg->payload_tok.token_stream, tok->token_stream,
13474 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
13475 const struct wiphy_wowlan_support *wowlan,
13476 struct nlattr *attr,
13477 struct cfg80211_wowlan *trig)
13479 struct nlattr **tb;
13482 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
13486 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
13491 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
13492 nl80211_policy, NULL);
13496 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
13497 wowlan->max_nd_match_sets);
13498 err = PTR_ERR_OR_ZERO(trig->nd_config);
13500 trig->nd_config = NULL;
13507 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
13509 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13510 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
13511 struct cfg80211_wowlan new_triggers = {};
13512 struct cfg80211_wowlan *ntrig;
13513 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
13515 bool prev_enabled = rdev->wiphy.wowlan_config;
13516 bool regular = false;
13519 return -EOPNOTSUPP;
13521 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
13522 cfg80211_rdev_free_wowlan(rdev);
13523 rdev->wiphy.wowlan_config = NULL;
13527 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
13528 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
13529 nl80211_wowlan_policy, info->extack);
13533 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
13534 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
13536 new_triggers.any = true;
13539 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
13540 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
13542 new_triggers.disconnect = true;
13546 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
13547 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
13549 new_triggers.magic_pkt = true;
13553 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
13556 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
13557 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
13559 new_triggers.gtk_rekey_failure = true;
13563 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
13564 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
13566 new_triggers.eap_identity_req = true;
13570 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
13571 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
13573 new_triggers.four_way_handshake = true;
13577 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
13578 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
13580 new_triggers.rfkill_release = true;
13584 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
13585 struct nlattr *pat;
13586 int n_patterns = 0;
13587 int rem, pat_len, mask_len, pkt_offset;
13588 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13592 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13595 if (n_patterns > wowlan->n_patterns)
13598 new_triggers.patterns = kcalloc(n_patterns,
13599 sizeof(new_triggers.patterns[0]),
13601 if (!new_triggers.patterns)
13604 new_triggers.n_patterns = n_patterns;
13607 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13611 err = nla_parse_nested_deprecated(pat_tb,
13612 MAX_NL80211_PKTPAT,
13614 nl80211_packet_pattern_policy,
13620 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13621 !pat_tb[NL80211_PKTPAT_PATTERN])
13623 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
13624 mask_len = DIV_ROUND_UP(pat_len, 8);
13625 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
13627 if (pat_len > wowlan->pattern_max_len ||
13628 pat_len < wowlan->pattern_min_len)
13631 if (!pat_tb[NL80211_PKTPAT_OFFSET])
13634 pkt_offset = nla_get_u32(
13635 pat_tb[NL80211_PKTPAT_OFFSET]);
13636 if (pkt_offset > wowlan->max_pkt_offset)
13638 new_triggers.patterns[i].pkt_offset = pkt_offset;
13640 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13645 new_triggers.patterns[i].mask = mask_pat;
13646 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
13648 mask_pat += mask_len;
13649 new_triggers.patterns[i].pattern = mask_pat;
13650 new_triggers.patterns[i].pattern_len = pat_len;
13652 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
13658 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
13660 err = nl80211_parse_wowlan_tcp(
13661 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
13667 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
13669 err = nl80211_parse_wowlan_nd(
13670 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
13676 /* The 'any' trigger means the device continues operating more or less
13677 * as in its normal operation mode and wakes up the host on most of the
13678 * normal interrupts (like packet RX, ...)
13679 * It therefore makes little sense to combine with the more constrained
13680 * wakeup trigger modes.
13682 if (new_triggers.any && regular) {
13687 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
13692 cfg80211_rdev_free_wowlan(rdev);
13693 rdev->wiphy.wowlan_config = ntrig;
13696 if (rdev->ops->set_wakeup &&
13697 prev_enabled != !!rdev->wiphy.wowlan_config)
13698 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
13702 for (i = 0; i < new_triggers.n_patterns; i++)
13703 kfree(new_triggers.patterns[i].mask);
13704 kfree(new_triggers.patterns);
13705 if (new_triggers.tcp && new_triggers.tcp->sock)
13706 sock_release(new_triggers.tcp->sock);
13707 kfree(new_triggers.tcp);
13708 kfree(new_triggers.nd_config);
13713 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
13714 struct cfg80211_registered_device *rdev)
13716 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
13718 struct cfg80211_coalesce_rules *rule;
13720 if (!rdev->coalesce->n_rules)
13723 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
13727 for (i = 0; i < rdev->coalesce->n_rules; i++) {
13728 nl_rule = nla_nest_start_noflag(msg, i + 1);
13732 rule = &rdev->coalesce->rules[i];
13733 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
13737 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
13741 nl_pats = nla_nest_start_noflag(msg,
13742 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
13746 for (j = 0; j < rule->n_patterns; j++) {
13747 nl_pat = nla_nest_start_noflag(msg, j + 1);
13750 pat_len = rule->patterns[j].pattern_len;
13751 if (nla_put(msg, NL80211_PKTPAT_MASK,
13752 DIV_ROUND_UP(pat_len, 8),
13753 rule->patterns[j].mask) ||
13754 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13755 rule->patterns[j].pattern) ||
13756 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
13757 rule->patterns[j].pkt_offset))
13759 nla_nest_end(msg, nl_pat);
13761 nla_nest_end(msg, nl_pats);
13762 nla_nest_end(msg, nl_rule);
13764 nla_nest_end(msg, nl_rules);
13769 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
13771 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13772 struct sk_buff *msg;
13775 if (!rdev->wiphy.coalesce)
13776 return -EOPNOTSUPP;
13778 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13782 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13783 NL80211_CMD_GET_COALESCE);
13785 goto nla_put_failure;
13787 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
13788 goto nla_put_failure;
13790 genlmsg_end(msg, hdr);
13791 return genlmsg_reply(msg, info);
13798 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
13800 struct cfg80211_coalesce *coalesce = rdev->coalesce;
13802 struct cfg80211_coalesce_rules *rule;
13807 for (i = 0; i < coalesce->n_rules; i++) {
13808 rule = &coalesce->rules[i];
13809 for (j = 0; j < rule->n_patterns; j++)
13810 kfree(rule->patterns[j].mask);
13811 kfree(rule->patterns);
13813 kfree(coalesce->rules);
13815 rdev->coalesce = NULL;
13818 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
13819 struct nlattr *rule,
13820 struct cfg80211_coalesce_rules *new_rule)
13823 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13824 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
13825 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
13826 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13828 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
13829 rule, nl80211_coalesce_policy, NULL);
13833 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
13835 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
13836 if (new_rule->delay > coalesce->max_delay)
13839 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
13840 new_rule->condition =
13841 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
13843 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
13846 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13849 if (n_patterns > coalesce->n_patterns)
13852 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
13854 if (!new_rule->patterns)
13857 new_rule->n_patterns = n_patterns;
13860 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13864 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
13866 nl80211_packet_pattern_policy,
13871 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13872 !pat_tb[NL80211_PKTPAT_PATTERN])
13874 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
13875 mask_len = DIV_ROUND_UP(pat_len, 8);
13876 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
13878 if (pat_len > coalesce->pattern_max_len ||
13879 pat_len < coalesce->pattern_min_len)
13882 if (!pat_tb[NL80211_PKTPAT_OFFSET])
13885 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
13886 if (pkt_offset > coalesce->max_pkt_offset)
13888 new_rule->patterns[i].pkt_offset = pkt_offset;
13890 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13894 new_rule->patterns[i].mask = mask_pat;
13895 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
13898 mask_pat += mask_len;
13899 new_rule->patterns[i].pattern = mask_pat;
13900 new_rule->patterns[i].pattern_len = pat_len;
13901 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
13909 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
13911 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13912 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13913 struct cfg80211_coalesce new_coalesce = {};
13914 struct cfg80211_coalesce *n_coalesce;
13915 int err, rem_rule, n_rules = 0, i, j;
13916 struct nlattr *rule;
13917 struct cfg80211_coalesce_rules *tmp_rule;
13919 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
13920 return -EOPNOTSUPP;
13922 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
13923 cfg80211_rdev_free_coalesce(rdev);
13924 rdev_set_coalesce(rdev, NULL);
13928 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
13931 if (n_rules > coalesce->n_rules)
13934 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
13936 if (!new_coalesce.rules)
13939 new_coalesce.n_rules = n_rules;
13942 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
13944 err = nl80211_parse_coalesce_rule(rdev, rule,
13945 &new_coalesce.rules[i]);
13952 err = rdev_set_coalesce(rdev, &new_coalesce);
13956 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
13961 cfg80211_rdev_free_coalesce(rdev);
13962 rdev->coalesce = n_coalesce;
13966 for (i = 0; i < new_coalesce.n_rules; i++) {
13967 tmp_rule = &new_coalesce.rules[i];
13968 for (j = 0; j < tmp_rule->n_patterns; j++)
13969 kfree(tmp_rule->patterns[j].mask);
13970 kfree(tmp_rule->patterns);
13972 kfree(new_coalesce.rules);
13977 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
13979 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13980 struct net_device *dev = info->user_ptr[1];
13981 struct wireless_dev *wdev = dev->ieee80211_ptr;
13982 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
13983 struct cfg80211_gtk_rekey_data rekey_data = {};
13986 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
13989 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
13990 info->attrs[NL80211_ATTR_REKEY_DATA],
13991 nl80211_rekey_policy, info->extack);
13995 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
13996 !tb[NL80211_REKEY_DATA_KCK])
13998 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
13999 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
14000 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
14002 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
14003 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
14004 nla_len(tb[NL80211_REKEY_DATA_KCK]) == NL80211_KCK_EXT_LEN) &&
14005 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KCK_32 &&
14006 nla_len(tb[NL80211_REKEY_DATA_KCK]) == NL80211_KCK_EXT_LEN_32))
14009 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
14010 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
14011 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
14012 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
14013 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
14014 if (tb[NL80211_REKEY_DATA_AKM])
14015 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
14018 if (!wdev->connected) {
14023 if (!rdev->ops->set_rekey_data) {
14028 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
14034 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
14035 struct genl_info *info)
14037 struct net_device *dev = info->user_ptr[1];
14038 struct wireless_dev *wdev = dev->ieee80211_ptr;
14040 if (wdev->iftype != NL80211_IFTYPE_AP &&
14041 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14044 if (wdev->ap_unexpected_nlportid)
14047 wdev->ap_unexpected_nlportid = info->snd_portid;
14051 static int nl80211_probe_client(struct sk_buff *skb,
14052 struct genl_info *info)
14054 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14055 struct net_device *dev = info->user_ptr[1];
14056 struct wireless_dev *wdev = dev->ieee80211_ptr;
14057 struct sk_buff *msg;
14063 if (wdev->iftype != NL80211_IFTYPE_AP &&
14064 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14065 return -EOPNOTSUPP;
14067 if (!info->attrs[NL80211_ATTR_MAC])
14070 if (!rdev->ops->probe_client)
14071 return -EOPNOTSUPP;
14073 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14077 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14078 NL80211_CMD_PROBE_CLIENT);
14084 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14086 err = rdev_probe_client(rdev, dev, addr, &cookie);
14090 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14092 goto nla_put_failure;
14094 genlmsg_end(msg, hdr);
14096 return genlmsg_reply(msg, info);
14105 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
14107 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14108 struct cfg80211_beacon_registration *reg, *nreg;
14111 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
14112 return -EOPNOTSUPP;
14114 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
14118 /* First, check if already registered. */
14119 spin_lock_bh(&rdev->beacon_registrations_lock);
14120 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
14121 if (reg->nlportid == info->snd_portid) {
14126 /* Add it to the list */
14127 nreg->nlportid = info->snd_portid;
14128 list_add(&nreg->list, &rdev->beacon_registrations);
14130 spin_unlock_bh(&rdev->beacon_registrations_lock);
14134 spin_unlock_bh(&rdev->beacon_registrations_lock);
14139 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
14141 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14142 struct wireless_dev *wdev = info->user_ptr[1];
14145 if (!rdev->ops->start_p2p_device)
14146 return -EOPNOTSUPP;
14148 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
14149 return -EOPNOTSUPP;
14151 if (wdev_running(wdev))
14154 if (rfkill_blocked(rdev->wiphy.rfkill))
14157 err = rdev_start_p2p_device(rdev, wdev);
14161 wdev->is_running = true;
14167 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
14169 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14170 struct wireless_dev *wdev = info->user_ptr[1];
14172 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
14173 return -EOPNOTSUPP;
14175 if (!rdev->ops->stop_p2p_device)
14176 return -EOPNOTSUPP;
14178 cfg80211_stop_p2p_device(rdev, wdev);
14183 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
14185 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14186 struct wireless_dev *wdev = info->user_ptr[1];
14187 struct cfg80211_nan_conf conf = {};
14190 if (wdev->iftype != NL80211_IFTYPE_NAN)
14191 return -EOPNOTSUPP;
14193 if (wdev_running(wdev))
14196 if (rfkill_blocked(rdev->wiphy.rfkill))
14199 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
14203 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14205 if (info->attrs[NL80211_ATTR_BANDS]) {
14206 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14208 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14209 return -EOPNOTSUPP;
14211 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14214 conf.bands = bands;
14217 err = rdev_start_nan(rdev, wdev, &conf);
14221 wdev->is_running = true;
14227 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
14229 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14230 struct wireless_dev *wdev = info->user_ptr[1];
14232 if (wdev->iftype != NL80211_IFTYPE_NAN)
14233 return -EOPNOTSUPP;
14235 cfg80211_stop_nan(rdev, wdev);
14240 static int validate_nan_filter(struct nlattr *filter_attr)
14242 struct nlattr *attr;
14243 int len = 0, n_entries = 0, rem;
14245 nla_for_each_nested(attr, filter_attr, rem) {
14246 len += nla_len(attr);
14256 static int handle_nan_filter(struct nlattr *attr_filter,
14257 struct cfg80211_nan_func *func,
14260 struct nlattr *attr;
14261 int n_entries, rem, i;
14262 struct cfg80211_nan_func_filter *filter;
14264 n_entries = validate_nan_filter(attr_filter);
14268 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
14270 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
14275 nla_for_each_nested(attr, attr_filter, rem) {
14276 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
14277 if (!filter[i].filter)
14280 filter[i].len = nla_len(attr);
14284 func->num_tx_filters = n_entries;
14285 func->tx_filters = filter;
14287 func->num_rx_filters = n_entries;
14288 func->rx_filters = filter;
14295 nla_for_each_nested(attr, attr_filter, rem) {
14296 kfree(filter[i].filter);
14303 static int nl80211_nan_add_func(struct sk_buff *skb,
14304 struct genl_info *info)
14306 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14307 struct wireless_dev *wdev = info->user_ptr[1];
14308 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
14309 struct cfg80211_nan_func *func;
14310 struct sk_buff *msg = NULL;
14314 if (wdev->iftype != NL80211_IFTYPE_NAN)
14315 return -EOPNOTSUPP;
14317 if (!wdev_running(wdev))
14320 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
14323 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
14324 info->attrs[NL80211_ATTR_NAN_FUNC],
14325 nl80211_nan_func_policy,
14330 func = kzalloc(sizeof(*func), GFP_KERNEL);
14334 func->cookie = cfg80211_assign_cookie(rdev);
14336 if (!tb[NL80211_NAN_FUNC_TYPE]) {
14342 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
14344 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
14349 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
14350 sizeof(func->service_id));
14352 func->close_range =
14353 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
14355 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
14356 func->serv_spec_info_len =
14357 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
14358 func->serv_spec_info =
14359 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
14360 func->serv_spec_info_len,
14362 if (!func->serv_spec_info) {
14368 if (tb[NL80211_NAN_FUNC_TTL])
14369 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
14371 switch (func->type) {
14372 case NL80211_NAN_FUNC_PUBLISH:
14373 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
14378 func->publish_type =
14379 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
14380 func->publish_bcast =
14381 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
14383 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
14384 func->publish_bcast) {
14389 case NL80211_NAN_FUNC_SUBSCRIBE:
14390 func->subscribe_active =
14391 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
14393 case NL80211_NAN_FUNC_FOLLOW_UP:
14394 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
14395 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
14396 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
14401 func->followup_id =
14402 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
14403 func->followup_reqid =
14404 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
14405 memcpy(func->followup_dest.addr,
14406 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
14407 sizeof(func->followup_dest.addr));
14418 if (tb[NL80211_NAN_FUNC_SRF]) {
14419 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
14421 err = nla_parse_nested_deprecated(srf_tb,
14422 NL80211_NAN_SRF_ATTR_MAX,
14423 tb[NL80211_NAN_FUNC_SRF],
14424 nl80211_nan_srf_policy,
14429 func->srf_include =
14430 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
14432 if (srf_tb[NL80211_NAN_SRF_BF]) {
14433 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
14434 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
14440 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
14442 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
14443 func->srf_bf_len, GFP_KERNEL);
14444 if (!func->srf_bf) {
14450 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
14452 struct nlattr *attr, *mac_attr =
14453 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
14454 int n_entries, rem, i = 0;
14461 n_entries = validate_acl_mac_addrs(mac_attr);
14462 if (n_entries <= 0) {
14467 func->srf_num_macs = n_entries;
14469 kcalloc(n_entries, sizeof(*func->srf_macs),
14471 if (!func->srf_macs) {
14476 nla_for_each_nested(attr, mac_attr, rem)
14477 memcpy(func->srf_macs[i++].addr, nla_data(attr),
14478 sizeof(*func->srf_macs));
14482 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
14483 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
14489 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
14490 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
14496 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14502 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14503 NL80211_CMD_ADD_NAN_FUNCTION);
14504 /* This can't really happen - we just allocated 4KB */
14505 if (WARN_ON(!hdr)) {
14510 err = rdev_add_nan_func(rdev, wdev, func);
14513 cfg80211_free_nan_func(func);
14518 /* propagate the instance id and cookie to userspace */
14519 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
14521 goto nla_put_failure;
14523 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
14525 goto nla_put_failure;
14527 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
14528 func->instance_id))
14529 goto nla_put_failure;
14531 nla_nest_end(msg, func_attr);
14533 genlmsg_end(msg, hdr);
14534 return genlmsg_reply(msg, info);
14541 static int nl80211_nan_del_func(struct sk_buff *skb,
14542 struct genl_info *info)
14544 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14545 struct wireless_dev *wdev = info->user_ptr[1];
14548 if (wdev->iftype != NL80211_IFTYPE_NAN)
14549 return -EOPNOTSUPP;
14551 if (!wdev_running(wdev))
14554 if (!info->attrs[NL80211_ATTR_COOKIE])
14557 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
14559 rdev_del_nan_func(rdev, wdev, cookie);
14564 static int nl80211_nan_change_config(struct sk_buff *skb,
14565 struct genl_info *info)
14567 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14568 struct wireless_dev *wdev = info->user_ptr[1];
14569 struct cfg80211_nan_conf conf = {};
14572 if (wdev->iftype != NL80211_IFTYPE_NAN)
14573 return -EOPNOTSUPP;
14575 if (!wdev_running(wdev))
14578 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
14580 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14581 if (conf.master_pref <= 1 || conf.master_pref == 255)
14584 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
14587 if (info->attrs[NL80211_ATTR_BANDS]) {
14588 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14590 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14591 return -EOPNOTSUPP;
14593 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14596 conf.bands = bands;
14597 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
14603 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
14606 void cfg80211_nan_match(struct wireless_dev *wdev,
14607 struct cfg80211_nan_match_params *match, gfp_t gfp)
14609 struct wiphy *wiphy = wdev->wiphy;
14610 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14611 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
14612 struct sk_buff *msg;
14615 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
14618 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14622 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
14628 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14629 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14630 wdev->netdev->ifindex)) ||
14631 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14633 goto nla_put_failure;
14635 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
14636 NL80211_ATTR_PAD) ||
14637 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
14638 goto nla_put_failure;
14640 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
14642 goto nla_put_failure;
14644 local_func_attr = nla_nest_start_noflag(msg,
14645 NL80211_NAN_MATCH_FUNC_LOCAL);
14646 if (!local_func_attr)
14647 goto nla_put_failure;
14649 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
14650 goto nla_put_failure;
14652 nla_nest_end(msg, local_func_attr);
14654 peer_func_attr = nla_nest_start_noflag(msg,
14655 NL80211_NAN_MATCH_FUNC_PEER);
14656 if (!peer_func_attr)
14657 goto nla_put_failure;
14659 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
14660 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
14661 goto nla_put_failure;
14663 if (match->info && match->info_len &&
14664 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
14666 goto nla_put_failure;
14668 nla_nest_end(msg, peer_func_attr);
14669 nla_nest_end(msg, match_attr);
14670 genlmsg_end(msg, hdr);
14672 if (!wdev->owner_nlportid)
14673 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14674 msg, 0, NL80211_MCGRP_NAN, gfp);
14676 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14677 wdev->owner_nlportid);
14684 EXPORT_SYMBOL(cfg80211_nan_match);
14686 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
14688 enum nl80211_nan_func_term_reason reason,
14689 u64 cookie, gfp_t gfp)
14691 struct wiphy *wiphy = wdev->wiphy;
14692 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14693 struct sk_buff *msg;
14694 struct nlattr *func_attr;
14697 if (WARN_ON(!inst_id))
14700 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14704 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
14710 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14711 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14712 wdev->netdev->ifindex)) ||
14713 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14715 goto nla_put_failure;
14717 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14719 goto nla_put_failure;
14721 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
14723 goto nla_put_failure;
14725 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
14726 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
14727 goto nla_put_failure;
14729 nla_nest_end(msg, func_attr);
14730 genlmsg_end(msg, hdr);
14732 if (!wdev->owner_nlportid)
14733 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14734 msg, 0, NL80211_MCGRP_NAN, gfp);
14736 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14737 wdev->owner_nlportid);
14744 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
14746 static int nl80211_get_protocol_features(struct sk_buff *skb,
14747 struct genl_info *info)
14750 struct sk_buff *msg;
14752 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14756 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14757 NL80211_CMD_GET_PROTOCOL_FEATURES);
14759 goto nla_put_failure;
14761 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
14762 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
14763 goto nla_put_failure;
14765 genlmsg_end(msg, hdr);
14766 return genlmsg_reply(msg, info);
14773 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
14775 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14776 struct cfg80211_update_ft_ies_params ft_params;
14777 struct net_device *dev = info->user_ptr[1];
14779 if (!rdev->ops->update_ft_ies)
14780 return -EOPNOTSUPP;
14782 if (!info->attrs[NL80211_ATTR_MDID] ||
14783 !info->attrs[NL80211_ATTR_IE])
14786 memset(&ft_params, 0, sizeof(ft_params));
14787 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
14788 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14789 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14791 return rdev_update_ft_ies(rdev, dev, &ft_params);
14794 static int nl80211_crit_protocol_start(struct sk_buff *skb,
14795 struct genl_info *info)
14797 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14798 struct wireless_dev *wdev = info->user_ptr[1];
14799 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
14803 if (!rdev->ops->crit_proto_start)
14804 return -EOPNOTSUPP;
14806 if (WARN_ON(!rdev->ops->crit_proto_stop))
14809 if (rdev->crit_proto_nlportid)
14812 /* determine protocol if provided */
14813 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
14814 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
14816 if (proto >= NUM_NL80211_CRIT_PROTO)
14819 /* timeout must be provided */
14820 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
14824 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
14826 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
14828 rdev->crit_proto_nlportid = info->snd_portid;
14833 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
14834 struct genl_info *info)
14836 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14837 struct wireless_dev *wdev = info->user_ptr[1];
14839 if (!rdev->ops->crit_proto_stop)
14840 return -EOPNOTSUPP;
14842 if (rdev->crit_proto_nlportid) {
14843 rdev->crit_proto_nlportid = 0;
14844 rdev_crit_proto_stop(rdev, wdev);
14849 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
14850 struct nlattr *attr,
14851 struct netlink_ext_ack *extack)
14853 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
14854 if (attr->nla_type & NLA_F_NESTED) {
14855 NL_SET_ERR_MSG_ATTR(extack, attr,
14856 "unexpected nested data");
14863 if (!(attr->nla_type & NLA_F_NESTED)) {
14864 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
14868 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
14871 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
14873 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14874 struct wireless_dev *wdev =
14875 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
14880 if (!rdev->wiphy.vendor_commands)
14881 return -EOPNOTSUPP;
14883 if (IS_ERR(wdev)) {
14884 err = PTR_ERR(wdev);
14885 if (err != -EINVAL)
14888 } else if (wdev->wiphy != &rdev->wiphy) {
14892 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
14893 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
14896 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
14897 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
14898 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
14899 const struct wiphy_vendor_command *vcmd;
14903 vcmd = &rdev->wiphy.vendor_commands[i];
14905 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
14908 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
14909 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
14912 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
14916 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
14917 if (!wdev_running(wdev))
14925 return -EOPNOTSUPP;
14927 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
14928 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
14929 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
14931 err = nl80211_vendor_check_policy(vcmd,
14932 info->attrs[NL80211_ATTR_VENDOR_DATA],
14938 rdev->cur_cmd_info = info;
14939 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
14940 rdev->cur_cmd_info = NULL;
14944 return -EOPNOTSUPP;
14947 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
14948 struct netlink_callback *cb,
14949 struct cfg80211_registered_device **rdev,
14950 struct wireless_dev **wdev)
14952 struct nlattr **attrbuf;
14958 unsigned int data_len = 0;
14961 /* subtract the 1 again here */
14962 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
14963 struct wireless_dev *tmp;
14967 *rdev = wiphy_to_rdev(wiphy);
14971 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
14972 if (tmp->identifier == cb->args[1] - 1) {
14979 /* keep rtnl locked in successful case */
14983 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
14987 err = nlmsg_parse_deprecated(cb->nlh,
14988 GENL_HDRLEN + nl80211_fam.hdrsize,
14989 attrbuf, nl80211_fam.maxattr,
14990 nl80211_policy, NULL);
14994 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
14995 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
15000 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
15004 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
15005 if (IS_ERR(*rdev)) {
15006 err = PTR_ERR(*rdev);
15010 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
15011 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
15013 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
15014 const struct wiphy_vendor_command *vcmd;
15016 vcmd = &(*rdev)->wiphy.vendor_commands[i];
15018 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
15021 if (!vcmd->dumpit) {
15030 if (vcmd_idx < 0) {
15035 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
15036 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
15037 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
15039 err = nl80211_vendor_check_policy(
15040 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
15041 attrbuf[NL80211_ATTR_VENDOR_DATA],
15047 /* 0 is the first index - add 1 to parse only once */
15048 cb->args[0] = (*rdev)->wiphy_idx + 1;
15049 /* add 1 to know if it was NULL */
15050 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
15051 cb->args[2] = vcmd_idx;
15052 cb->args[3] = (unsigned long)data;
15053 cb->args[4] = data_len;
15055 /* keep rtnl locked in successful case */
15062 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
15063 struct netlink_callback *cb)
15065 struct cfg80211_registered_device *rdev;
15066 struct wireless_dev *wdev;
15067 unsigned int vcmd_idx;
15068 const struct wiphy_vendor_command *vcmd;
15072 struct nlattr *vendor_data;
15075 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
15079 vcmd_idx = cb->args[2];
15080 data = (void *)cb->args[3];
15081 data_len = cb->args[4];
15082 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
15084 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
15085 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
15090 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
15096 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
15097 if (!wdev_running(wdev)) {
15105 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
15106 cb->nlh->nlmsg_seq, NLM_F_MULTI,
15107 NL80211_CMD_VENDOR);
15111 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15112 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
15114 NL80211_ATTR_PAD))) {
15115 genlmsg_cancel(skb, hdr);
15119 vendor_data = nla_nest_start_noflag(skb,
15120 NL80211_ATTR_VENDOR_DATA);
15121 if (!vendor_data) {
15122 genlmsg_cancel(skb, hdr);
15126 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
15127 (unsigned long *)&cb->args[5]);
15128 nla_nest_end(skb, vendor_data);
15130 if (err == -ENOBUFS || err == -ENOENT) {
15131 genlmsg_cancel(skb, hdr);
15133 } else if (err <= 0) {
15134 genlmsg_cancel(skb, hdr);
15138 genlmsg_end(skb, hdr);
15147 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
15148 enum nl80211_commands cmd,
15149 enum nl80211_attrs attr,
15152 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15154 if (WARN_ON(!rdev->cur_cmd_info))
15157 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
15158 rdev->cur_cmd_info->snd_portid,
15159 rdev->cur_cmd_info->snd_seq,
15160 cmd, attr, NULL, GFP_KERNEL);
15162 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
15164 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
15166 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
15167 void *hdr = ((void **)skb->cb)[1];
15168 struct nlattr *data = ((void **)skb->cb)[2];
15170 /* clear CB data for netlink core to own from now on */
15171 memset(skb->cb, 0, sizeof(skb->cb));
15173 if (WARN_ON(!rdev->cur_cmd_info)) {
15178 nla_nest_end(skb, data);
15179 genlmsg_end(skb, hdr);
15180 return genlmsg_reply(skb, rdev->cur_cmd_info);
15182 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
15184 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
15186 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15188 if (WARN_ON(!rdev->cur_cmd_info))
15191 return rdev->cur_cmd_info->snd_portid;
15193 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
15195 static int nl80211_set_qos_map(struct sk_buff *skb,
15196 struct genl_info *info)
15198 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15199 struct cfg80211_qos_map *qos_map = NULL;
15200 struct net_device *dev = info->user_ptr[1];
15201 u8 *pos, len, num_des, des_len, des;
15204 if (!rdev->ops->set_qos_map)
15205 return -EOPNOTSUPP;
15207 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
15208 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
15209 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
15214 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
15218 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
15220 des_len = num_des *
15221 sizeof(struct cfg80211_dscp_exception);
15222 memcpy(qos_map->dscp_exception, pos, des_len);
15223 qos_map->num_des = num_des;
15224 for (des = 0; des < num_des; des++) {
15225 if (qos_map->dscp_exception[des].up > 7) {
15232 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
15235 wdev_lock(dev->ieee80211_ptr);
15236 ret = nl80211_key_allowed(dev->ieee80211_ptr);
15238 ret = rdev_set_qos_map(rdev, dev, qos_map);
15239 wdev_unlock(dev->ieee80211_ptr);
15245 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
15247 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15248 struct net_device *dev = info->user_ptr[1];
15249 struct wireless_dev *wdev = dev->ieee80211_ptr;
15252 u16 admitted_time = 0;
15255 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
15256 return -EOPNOTSUPP;
15258 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
15259 !info->attrs[NL80211_ATTR_USER_PRIO])
15262 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15263 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
15265 /* WMM uses TIDs 0-7 even for TSPEC */
15266 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
15267 /* TODO: handle 802.11 TSPEC/admission control
15268 * need more attributes for that (e.g. BA session requirement);
15269 * change the WMM adminssion test above to allow both then
15274 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15276 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
15278 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
15279 if (!admitted_time)
15284 switch (wdev->iftype) {
15285 case NL80211_IFTYPE_STATION:
15286 case NL80211_IFTYPE_P2P_CLIENT:
15287 if (wdev->connected)
15296 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
15303 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
15305 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15306 struct net_device *dev = info->user_ptr[1];
15307 struct wireless_dev *wdev = dev->ieee80211_ptr;
15312 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
15315 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15316 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15319 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
15325 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
15326 struct genl_info *info)
15328 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15329 struct net_device *dev = info->user_ptr[1];
15330 struct wireless_dev *wdev = dev->ieee80211_ptr;
15331 struct cfg80211_chan_def chandef = {};
15336 if (!rdev->ops->tdls_channel_switch ||
15337 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15338 return -EOPNOTSUPP;
15340 switch (dev->ieee80211_ptr->iftype) {
15341 case NL80211_IFTYPE_STATION:
15342 case NL80211_IFTYPE_P2P_CLIENT:
15345 return -EOPNOTSUPP;
15348 if (!info->attrs[NL80211_ATTR_MAC] ||
15349 !info->attrs[NL80211_ATTR_OPER_CLASS])
15352 err = nl80211_parse_chandef(rdev, info, &chandef);
15357 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
15358 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
15359 * specification is not defined for them.
15361 if (chandef.chan->band == NL80211_BAND_2GHZ &&
15362 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
15363 chandef.width != NL80211_CHAN_WIDTH_20)
15366 /* we will be active on the TDLS link */
15367 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
15371 /* don't allow switching to DFS channels */
15372 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
15375 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15376 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
15379 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
15385 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
15386 struct genl_info *info)
15388 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15389 struct net_device *dev = info->user_ptr[1];
15390 struct wireless_dev *wdev = dev->ieee80211_ptr;
15393 if (!rdev->ops->tdls_channel_switch ||
15394 !rdev->ops->tdls_cancel_channel_switch ||
15395 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15396 return -EOPNOTSUPP;
15398 switch (dev->ieee80211_ptr->iftype) {
15399 case NL80211_IFTYPE_STATION:
15400 case NL80211_IFTYPE_P2P_CLIENT:
15403 return -EOPNOTSUPP;
15406 if (!info->attrs[NL80211_ATTR_MAC])
15409 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15412 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
15418 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
15419 struct genl_info *info)
15421 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15422 struct net_device *dev = info->user_ptr[1];
15423 struct wireless_dev *wdev = dev->ieee80211_ptr;
15424 const struct nlattr *nla;
15427 if (!rdev->ops->set_multicast_to_unicast)
15428 return -EOPNOTSUPP;
15430 if (wdev->iftype != NL80211_IFTYPE_AP &&
15431 wdev->iftype != NL80211_IFTYPE_P2P_GO)
15432 return -EOPNOTSUPP;
15434 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
15435 enabled = nla_get_flag(nla);
15437 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
15440 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
15442 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15443 struct net_device *dev = info->user_ptr[1];
15444 struct wireless_dev *wdev = dev->ieee80211_ptr;
15445 struct cfg80211_pmk_conf pmk_conf = {};
15448 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15449 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15450 return -EOPNOTSUPP;
15452 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15453 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15454 return -EOPNOTSUPP;
15456 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
15460 if (!wdev->connected) {
15465 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
15466 if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN)) {
15471 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
15472 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
15473 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
15474 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
15479 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
15480 pmk_conf.pmk_r0_name =
15481 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
15483 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
15489 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
15491 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15492 struct net_device *dev = info->user_ptr[1];
15493 struct wireless_dev *wdev = dev->ieee80211_ptr;
15497 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15498 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15499 return -EOPNOTSUPP;
15501 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15502 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15503 return -EOPNOTSUPP;
15505 if (!info->attrs[NL80211_ATTR_MAC])
15509 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
15510 ret = rdev_del_pmk(rdev, dev, aa);
15516 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
15518 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15519 struct net_device *dev = info->user_ptr[1];
15520 struct cfg80211_external_auth_params params;
15522 if (!rdev->ops->external_auth)
15523 return -EOPNOTSUPP;
15525 if (!info->attrs[NL80211_ATTR_SSID] &&
15526 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
15527 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
15530 if (!info->attrs[NL80211_ATTR_BSSID])
15533 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
15536 memset(¶ms, 0, sizeof(params));
15538 if (info->attrs[NL80211_ATTR_SSID]) {
15539 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
15540 if (params.ssid.ssid_len == 0)
15542 memcpy(params.ssid.ssid,
15543 nla_data(info->attrs[NL80211_ATTR_SSID]),
15544 params.ssid.ssid_len);
15547 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
15550 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15552 if (info->attrs[NL80211_ATTR_PMKID])
15553 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
15555 return rdev_external_auth(rdev, dev, ¶ms);
15558 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
15560 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
15561 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15562 struct net_device *dev = info->user_ptr[1];
15563 struct wireless_dev *wdev = dev->ieee80211_ptr;
15573 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15574 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
15575 return -EOPNOTSUPP;
15577 if (!rdev->ops->tx_control_port)
15578 return -EOPNOTSUPP;
15580 if (!info->attrs[NL80211_ATTR_FRAME] ||
15581 !info->attrs[NL80211_ATTR_MAC] ||
15582 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
15583 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
15589 switch (wdev->iftype) {
15590 case NL80211_IFTYPE_AP:
15591 case NL80211_IFTYPE_P2P_GO:
15592 case NL80211_IFTYPE_MESH_POINT:
15594 case NL80211_IFTYPE_ADHOC:
15595 if (wdev->u.ibss.current_bss)
15599 case NL80211_IFTYPE_STATION:
15600 case NL80211_IFTYPE_P2P_CLIENT:
15601 if (wdev->connected)
15612 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15613 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15614 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15615 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
15617 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
15619 link_id = nl80211_link_id_or_invalid(info->attrs);
15621 err = rdev_tx_control_port(rdev, dev, buf, len,
15622 dest, cpu_to_be16(proto), noencrypt, link_id,
15623 dont_wait_for_ack ? NULL : &cookie);
15624 if (!err && !dont_wait_for_ack)
15625 nl_set_extack_cookie_u64(info->extack, cookie);
15632 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
15633 struct genl_info *info)
15635 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15636 struct net_device *dev = info->user_ptr[1];
15637 struct wireless_dev *wdev = dev->ieee80211_ptr;
15638 struct cfg80211_ftm_responder_stats ftm_stats = {};
15639 unsigned int link_id = nl80211_link_id(info->attrs);
15640 struct sk_buff *msg;
15642 struct nlattr *ftm_stats_attr;
15645 if (wdev->iftype != NL80211_IFTYPE_AP ||
15646 !wdev->links[link_id].ap.beacon_interval)
15647 return -EOPNOTSUPP;
15649 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
15653 if (!ftm_stats.filled)
15656 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15660 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
15661 NL80211_CMD_GET_FTM_RESPONDER_STATS);
15663 goto nla_put_failure;
15665 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15666 goto nla_put_failure;
15668 ftm_stats_attr = nla_nest_start_noflag(msg,
15669 NL80211_ATTR_FTM_RESPONDER_STATS);
15670 if (!ftm_stats_attr)
15671 goto nla_put_failure;
15673 #define SET_FTM(field, name, type) \
15674 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15675 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
15676 ftm_stats.field)) \
15677 goto nla_put_failure; } while (0)
15678 #define SET_FTM_U64(field, name) \
15679 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15680 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
15681 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
15682 goto nla_put_failure; } while (0)
15684 SET_FTM(success_num, SUCCESS_NUM, u32);
15685 SET_FTM(partial_num, PARTIAL_NUM, u32);
15686 SET_FTM(failed_num, FAILED_NUM, u32);
15687 SET_FTM(asap_num, ASAP_NUM, u32);
15688 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
15689 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
15690 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
15691 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
15692 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
15695 nla_nest_end(msg, ftm_stats_attr);
15697 genlmsg_end(msg, hdr);
15698 return genlmsg_reply(msg, info);
15705 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
15707 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15708 struct cfg80211_update_owe_info owe_info;
15709 struct net_device *dev = info->user_ptr[1];
15711 if (!rdev->ops->update_owe_info)
15712 return -EOPNOTSUPP;
15714 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
15715 !info->attrs[NL80211_ATTR_MAC])
15718 memset(&owe_info, 0, sizeof(owe_info));
15719 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15720 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
15722 if (info->attrs[NL80211_ATTR_IE]) {
15723 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
15724 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
15727 return rdev_update_owe_info(rdev, dev, &owe_info);
15730 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
15732 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15733 struct net_device *dev = info->user_ptr[1];
15734 struct wireless_dev *wdev = dev->ieee80211_ptr;
15735 struct station_info sinfo = {};
15741 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
15742 return -EOPNOTSUPP;
15744 if (!info->attrs[NL80211_ATTR_MAC] ||
15745 !info->attrs[NL80211_ATTR_FRAME]) {
15746 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
15750 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
15751 return -EOPNOTSUPP;
15753 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15754 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15755 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15757 if (len < sizeof(struct ethhdr))
15760 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
15761 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
15764 err = rdev_get_station(rdev, dev, dest, &sinfo);
15768 cfg80211_sinfo_release_content(&sinfo);
15770 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
15773 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
15774 struct nlattr *attrs[], struct net_device *dev,
15775 struct cfg80211_tid_cfg *tid_conf,
15776 struct genl_info *info, const u8 *peer,
15777 unsigned int link_id)
15779 struct netlink_ext_ack *extack = info->extack;
15783 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
15786 tid_conf->config_override =
15787 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
15788 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
15790 if (tid_conf->config_override) {
15791 if (rdev->ops->reset_tid_config) {
15792 err = rdev_reset_tid_config(rdev, dev, peer,
15801 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
15802 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
15804 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
15807 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
15808 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
15809 tid_conf->retry_short =
15810 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
15812 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
15816 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
15817 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
15818 tid_conf->retry_long =
15819 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
15821 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
15825 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
15826 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
15828 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
15831 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
15832 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
15834 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
15837 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
15838 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
15840 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
15843 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
15844 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
15846 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
15848 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
15849 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
15850 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
15851 &tid_conf->txrate_mask, dev,
15856 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
15858 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
15862 mask = rdev->wiphy.tid_config_support.peer;
15864 mask = rdev->wiphy.tid_config_support.vif;
15866 if (tid_conf->mask & ~mask) {
15867 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
15874 static int nl80211_set_tid_config(struct sk_buff *skb,
15875 struct genl_info *info)
15877 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15878 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
15879 unsigned int link_id = nl80211_link_id(info->attrs);
15880 struct net_device *dev = info->user_ptr[1];
15881 struct cfg80211_tid_config *tid_config;
15882 struct nlattr *tid;
15883 int conf_idx = 0, rem_conf;
15887 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
15890 if (!rdev->ops->set_tid_config)
15891 return -EOPNOTSUPP;
15893 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15897 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
15902 tid_config->n_tid_conf = num_conf;
15904 if (info->attrs[NL80211_ATTR_MAC])
15905 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15907 wdev_lock(dev->ieee80211_ptr);
15909 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15911 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
15917 ret = parse_tid_conf(rdev, attrs, dev,
15918 &tid_config->tid_conf[conf_idx],
15919 info, tid_config->peer, link_id);
15926 ret = rdev_set_tid_config(rdev, dev, tid_config);
15930 wdev_unlock(dev->ieee80211_ptr);
15934 static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info)
15936 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15937 struct cfg80211_color_change_settings params = {};
15938 struct net_device *dev = info->user_ptr[1];
15939 struct wireless_dev *wdev = dev->ieee80211_ptr;
15940 struct nlattr **tb;
15944 if (!rdev->ops->color_change)
15945 return -EOPNOTSUPP;
15947 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15948 NL80211_EXT_FEATURE_BSS_COLOR))
15949 return -EOPNOTSUPP;
15951 if (wdev->iftype != NL80211_IFTYPE_AP)
15952 return -EOPNOTSUPP;
15954 if (!info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT] ||
15955 !info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR] ||
15956 !info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS])
15959 params.count = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT]);
15960 params.color = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR]);
15962 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_next,
15967 tb = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*tb), GFP_KERNEL);
15971 err = nla_parse_nested(tb, NL80211_ATTR_MAX,
15972 info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS],
15973 nl80211_policy, info->extack);
15977 err = nl80211_parse_beacon(rdev, tb, ¶ms.beacon_color_change,
15982 if (!tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
15987 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) != sizeof(u16)) {
15992 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
15993 if (offset >= params.beacon_color_change.tail_len) {
15998 if (params.beacon_color_change.tail[offset] != params.count) {
16003 params.counter_offset_beacon = offset;
16005 if (tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
16006 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) !=
16012 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
16013 if (offset >= params.beacon_color_change.probe_resp_len) {
16018 if (params.beacon_color_change.probe_resp[offset] !=
16024 params.counter_offset_presp = offset;
16028 err = rdev_color_change(rdev, dev, ¶ms);
16032 kfree(params.beacon_next.mbssid_ies);
16033 kfree(params.beacon_color_change.mbssid_ies);
16034 kfree(params.beacon_next.rnr_ies);
16035 kfree(params.beacon_color_change.rnr_ies);
16040 static int nl80211_set_fils_aad(struct sk_buff *skb,
16041 struct genl_info *info)
16043 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16044 struct net_device *dev = info->user_ptr[1];
16045 struct cfg80211_fils_aad fils_aad = {};
16048 if (!info->attrs[NL80211_ATTR_MAC] ||
16049 !info->attrs[NL80211_ATTR_FILS_KEK] ||
16050 !info->attrs[NL80211_ATTR_FILS_NONCES])
16053 fils_aad.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
16054 fils_aad.kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
16055 fils_aad.kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
16056 nonces = nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
16057 fils_aad.snonce = nonces;
16058 fils_aad.anonce = nonces + FILS_NONCE_LEN;
16060 return rdev_set_fils_aad(rdev, dev, &fils_aad);
16063 static int nl80211_add_link(struct sk_buff *skb, struct genl_info *info)
16065 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16066 unsigned int link_id = nl80211_link_id(info->attrs);
16067 struct net_device *dev = info->user_ptr[1];
16068 struct wireless_dev *wdev = dev->ieee80211_ptr;
16071 if (!(wdev->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
16074 switch (wdev->iftype) {
16075 case NL80211_IFTYPE_AP:
16081 if (!info->attrs[NL80211_ATTR_MAC] ||
16082 !is_valid_ether_addr(nla_data(info->attrs[NL80211_ATTR_MAC])))
16086 wdev->valid_links |= BIT(link_id);
16087 ether_addr_copy(wdev->links[link_id].addr,
16088 nla_data(info->attrs[NL80211_ATTR_MAC]));
16090 ret = rdev_add_intf_link(rdev, wdev, link_id);
16092 wdev->valid_links &= ~BIT(link_id);
16093 eth_zero_addr(wdev->links[link_id].addr);
16100 static int nl80211_remove_link(struct sk_buff *skb, struct genl_info *info)
16102 unsigned int link_id = nl80211_link_id(info->attrs);
16103 struct net_device *dev = info->user_ptr[1];
16104 struct wireless_dev *wdev = dev->ieee80211_ptr;
16106 /* cannot remove if there's no link */
16107 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
16110 switch (wdev->iftype) {
16111 case NL80211_IFTYPE_AP:
16118 cfg80211_remove_link(wdev, link_id);
16125 nl80211_add_mod_link_station(struct sk_buff *skb, struct genl_info *info,
16128 struct link_station_parameters params = {};
16129 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16130 struct net_device *dev = info->user_ptr[1];
16133 if ((add && !rdev->ops->add_link_station) ||
16134 (!add && !rdev->ops->mod_link_station))
16135 return -EOPNOTSUPP;
16137 if (add && !info->attrs[NL80211_ATTR_MAC])
16140 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
16143 if (add && !info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
16146 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
16148 if (info->attrs[NL80211_ATTR_MAC]) {
16149 params.link_mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
16150 if (!is_valid_ether_addr(params.link_mac))
16154 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
16157 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16159 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
16160 params.supported_rates =
16161 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
16162 params.supported_rates_len =
16163 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
16166 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
16168 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
16170 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
16172 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
16174 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
16176 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
16177 params.he_capa_len =
16178 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
16180 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
16182 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
16183 params.eht_capa_len =
16184 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
16186 if (!ieee80211_eht_capa_size_ok((const u8 *)params.he_capa,
16187 (const u8 *)params.eht_capa,
16188 params.eht_capa_len,
16194 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
16195 params.he_6ghz_capa =
16196 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
16198 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
16199 params.opmode_notif_used = true;
16200 params.opmode_notif =
16201 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
16204 err = nl80211_parse_sta_txpower_setting(info, ¶ms.txpwr,
16205 ¶ms.txpwr_set);
16209 wdev_lock(dev->ieee80211_ptr);
16211 err = rdev_add_link_station(rdev, dev, ¶ms);
16213 err = rdev_mod_link_station(rdev, dev, ¶ms);
16214 wdev_unlock(dev->ieee80211_ptr);
16220 nl80211_add_link_station(struct sk_buff *skb, struct genl_info *info)
16222 return nl80211_add_mod_link_station(skb, info, true);
16226 nl80211_modify_link_station(struct sk_buff *skb, struct genl_info *info)
16228 return nl80211_add_mod_link_station(skb, info, false);
16232 nl80211_remove_link_station(struct sk_buff *skb, struct genl_info *info)
16234 struct link_station_del_parameters params = {};
16235 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16236 struct net_device *dev = info->user_ptr[1];
16239 if (!rdev->ops->del_link_station)
16240 return -EOPNOTSUPP;
16242 if (!info->attrs[NL80211_ATTR_MLD_ADDR] ||
16243 !info->attrs[NL80211_ATTR_MLO_LINK_ID])
16246 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
16247 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16249 wdev_lock(dev->ieee80211_ptr);
16250 ret = rdev_del_link_station(rdev, dev, ¶ms);
16251 wdev_unlock(dev->ieee80211_ptr);
16256 static int nl80211_set_hw_timestamp(struct sk_buff *skb,
16257 struct genl_info *info)
16259 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16260 struct net_device *dev = info->user_ptr[1];
16261 struct cfg80211_set_hw_timestamp hwts = {};
16263 if (!rdev->wiphy.hw_timestamp_max_peers)
16264 return -EOPNOTSUPP;
16266 if (!info->attrs[NL80211_ATTR_MAC] &&
16267 rdev->wiphy.hw_timestamp_max_peers != CFG80211_HW_TIMESTAMP_ALL_PEERS)
16268 return -EOPNOTSUPP;
16270 if (info->attrs[NL80211_ATTR_MAC])
16271 hwts.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
16274 nla_get_flag(info->attrs[NL80211_ATTR_HW_TIMESTAMP_ENABLED]);
16276 return rdev_set_hw_timestamp(rdev, dev, &hwts);
16279 #define NL80211_FLAG_NEED_WIPHY 0x01
16280 #define NL80211_FLAG_NEED_NETDEV 0x02
16281 #define NL80211_FLAG_NEED_RTNL 0x04
16282 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
16283 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
16284 NL80211_FLAG_CHECK_NETDEV_UP)
16285 #define NL80211_FLAG_NEED_WDEV 0x10
16286 /* If a netdev is associated, it must be UP, P2P must be started */
16287 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
16288 NL80211_FLAG_CHECK_NETDEV_UP)
16289 #define NL80211_FLAG_CLEAR_SKB 0x20
16290 #define NL80211_FLAG_NO_WIPHY_MTX 0x40
16291 #define NL80211_FLAG_MLO_VALID_LINK_ID 0x80
16292 #define NL80211_FLAG_MLO_UNSUPPORTED 0x100
16294 #define INTERNAL_FLAG_SELECTORS(__sel) \
16295 SELECTOR(__sel, NONE, 0) /* must be first */ \
16296 SELECTOR(__sel, WIPHY, \
16297 NL80211_FLAG_NEED_WIPHY) \
16298 SELECTOR(__sel, WDEV, \
16299 NL80211_FLAG_NEED_WDEV) \
16300 SELECTOR(__sel, NETDEV, \
16301 NL80211_FLAG_NEED_NETDEV) \
16302 SELECTOR(__sel, NETDEV_LINK, \
16303 NL80211_FLAG_NEED_NETDEV | \
16304 NL80211_FLAG_MLO_VALID_LINK_ID) \
16305 SELECTOR(__sel, NETDEV_NO_MLO, \
16306 NL80211_FLAG_NEED_NETDEV | \
16307 NL80211_FLAG_MLO_UNSUPPORTED) \
16308 SELECTOR(__sel, WIPHY_RTNL, \
16309 NL80211_FLAG_NEED_WIPHY | \
16310 NL80211_FLAG_NEED_RTNL) \
16311 SELECTOR(__sel, WIPHY_RTNL_NOMTX, \
16312 NL80211_FLAG_NEED_WIPHY | \
16313 NL80211_FLAG_NEED_RTNL | \
16314 NL80211_FLAG_NO_WIPHY_MTX) \
16315 SELECTOR(__sel, WDEV_RTNL, \
16316 NL80211_FLAG_NEED_WDEV | \
16317 NL80211_FLAG_NEED_RTNL) \
16318 SELECTOR(__sel, NETDEV_RTNL, \
16319 NL80211_FLAG_NEED_NETDEV | \
16320 NL80211_FLAG_NEED_RTNL) \
16321 SELECTOR(__sel, NETDEV_UP, \
16322 NL80211_FLAG_NEED_NETDEV_UP) \
16323 SELECTOR(__sel, NETDEV_UP_LINK, \
16324 NL80211_FLAG_NEED_NETDEV_UP | \
16325 NL80211_FLAG_MLO_VALID_LINK_ID) \
16326 SELECTOR(__sel, NETDEV_UP_NO_MLO, \
16327 NL80211_FLAG_NEED_NETDEV_UP | \
16328 NL80211_FLAG_MLO_UNSUPPORTED) \
16329 SELECTOR(__sel, NETDEV_UP_NO_MLO_CLEAR, \
16330 NL80211_FLAG_NEED_NETDEV_UP | \
16331 NL80211_FLAG_CLEAR_SKB | \
16332 NL80211_FLAG_MLO_UNSUPPORTED) \
16333 SELECTOR(__sel, NETDEV_UP_NOTMX, \
16334 NL80211_FLAG_NEED_NETDEV_UP | \
16335 NL80211_FLAG_NO_WIPHY_MTX) \
16336 SELECTOR(__sel, NETDEV_UP_NOTMX_NOMLO, \
16337 NL80211_FLAG_NEED_NETDEV_UP | \
16338 NL80211_FLAG_NO_WIPHY_MTX | \
16339 NL80211_FLAG_MLO_UNSUPPORTED) \
16340 SELECTOR(__sel, NETDEV_UP_CLEAR, \
16341 NL80211_FLAG_NEED_NETDEV_UP | \
16342 NL80211_FLAG_CLEAR_SKB) \
16343 SELECTOR(__sel, WDEV_UP, \
16344 NL80211_FLAG_NEED_WDEV_UP) \
16345 SELECTOR(__sel, WDEV_UP_LINK, \
16346 NL80211_FLAG_NEED_WDEV_UP | \
16347 NL80211_FLAG_MLO_VALID_LINK_ID) \
16348 SELECTOR(__sel, WDEV_UP_RTNL, \
16349 NL80211_FLAG_NEED_WDEV_UP | \
16350 NL80211_FLAG_NEED_RTNL) \
16351 SELECTOR(__sel, WIPHY_CLEAR, \
16352 NL80211_FLAG_NEED_WIPHY | \
16353 NL80211_FLAG_CLEAR_SKB)
16355 enum nl80211_internal_flags_selector {
16356 #define SELECTOR(_, name, value) NL80211_IFL_SEL_##name,
16357 INTERNAL_FLAG_SELECTORS(_)
16361 static u32 nl80211_internal_flags[] = {
16362 #define SELECTOR(_, name, value) [NL80211_IFL_SEL_##name] = value,
16363 INTERNAL_FLAG_SELECTORS(_)
16367 static int nl80211_pre_doit(const struct genl_split_ops *ops,
16368 struct sk_buff *skb,
16369 struct genl_info *info)
16371 struct cfg80211_registered_device *rdev = NULL;
16372 struct wireless_dev *wdev = NULL;
16373 struct net_device *dev = NULL;
16374 u32 internal_flags;
16377 if (WARN_ON(ops->internal_flags >= ARRAY_SIZE(nl80211_internal_flags)))
16380 internal_flags = nl80211_internal_flags[ops->internal_flags];
16383 if (internal_flags & NL80211_FLAG_NEED_WIPHY) {
16384 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
16385 if (IS_ERR(rdev)) {
16386 err = PTR_ERR(rdev);
16389 info->user_ptr[0] = rdev;
16390 } else if (internal_flags & NL80211_FLAG_NEED_NETDEV ||
16391 internal_flags & NL80211_FLAG_NEED_WDEV) {
16392 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
16394 if (IS_ERR(wdev)) {
16395 err = PTR_ERR(wdev);
16399 dev = wdev->netdev;
16401 rdev = wiphy_to_rdev(wdev->wiphy);
16403 if (internal_flags & NL80211_FLAG_NEED_NETDEV) {
16409 info->user_ptr[1] = dev;
16411 info->user_ptr[1] = wdev;
16414 if (internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
16415 !wdev_running(wdev)) {
16420 info->user_ptr[0] = rdev;
16423 if (internal_flags & NL80211_FLAG_MLO_VALID_LINK_ID) {
16424 struct nlattr *link_id = info->attrs[NL80211_ATTR_MLO_LINK_ID];
16431 /* MLO -> require valid link ID */
16432 if (wdev->valid_links &&
16434 !(wdev->valid_links & BIT(nla_get_u8(link_id))))) {
16439 /* non-MLO -> no link ID attribute accepted */
16440 if (!wdev->valid_links && link_id) {
16446 if (internal_flags & NL80211_FLAG_MLO_UNSUPPORTED) {
16447 if (info->attrs[NL80211_ATTR_MLO_LINK_ID] ||
16448 (wdev && wdev->valid_links)) {
16454 if (rdev && !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
16455 wiphy_lock(&rdev->wiphy);
16456 /* we keep the mutex locked until post_doit */
16457 __release(&rdev->wiphy.mtx);
16459 if (!(internal_flags & NL80211_FLAG_NEED_RTNL))
16469 static void nl80211_post_doit(const struct genl_split_ops *ops,
16470 struct sk_buff *skb,
16471 struct genl_info *info)
16473 u32 internal_flags = nl80211_internal_flags[ops->internal_flags];
16475 if (info->user_ptr[1]) {
16476 if (internal_flags & NL80211_FLAG_NEED_WDEV) {
16477 struct wireless_dev *wdev = info->user_ptr[1];
16479 dev_put(wdev->netdev);
16481 dev_put(info->user_ptr[1]);
16485 if (info->user_ptr[0] &&
16486 !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
16487 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16489 /* we kept the mutex locked since pre_doit */
16490 __acquire(&rdev->wiphy.mtx);
16491 wiphy_unlock(&rdev->wiphy);
16494 if (internal_flags & NL80211_FLAG_NEED_RTNL)
16497 /* If needed, clear the netlink message payload from the SKB
16498 * as it might contain key data that shouldn't stick around on
16499 * the heap after the SKB is freed. The netlink message header
16500 * is still needed for further processing, so leave it intact.
16502 if (internal_flags & NL80211_FLAG_CLEAR_SKB) {
16503 struct nlmsghdr *nlh = nlmsg_hdr(skb);
16505 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
16509 static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
16510 struct cfg80211_sar_specs *sar_specs,
16511 struct nlattr *spec[], int index)
16513 u32 range_index, i;
16515 if (!sar_specs || !spec)
16518 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
16519 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
16522 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
16524 /* check if range_index exceeds num_freq_ranges */
16525 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
16528 /* check if range_index duplicates */
16529 for (i = 0; i < index; i++) {
16530 if (sar_specs->sub_specs[i].freq_range_index == range_index)
16534 sar_specs->sub_specs[index].power =
16535 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
16537 sar_specs->sub_specs[index].freq_range_index = range_index;
16542 static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
16544 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16545 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
16546 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
16547 struct cfg80211_sar_specs *sar_spec;
16548 enum nl80211_sar_type type;
16549 struct nlattr *spec_list;
16553 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
16554 return -EOPNOTSUPP;
16556 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
16559 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
16560 info->attrs[NL80211_ATTR_SAR_SPEC],
16563 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
16566 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
16567 if (type != rdev->wiphy.sar_capa->type)
16571 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
16574 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
16577 sar_spec = kzalloc(struct_size(sar_spec, sub_specs, specs), GFP_KERNEL);
16581 sar_spec->type = type;
16583 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
16584 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
16585 spec_list, NULL, NULL);
16588 case NL80211_SAR_TYPE_POWER:
16589 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
16602 sar_spec->num_sub_specs = specs;
16604 rdev->cur_cmd_info = info;
16605 err = rdev_set_sar_specs(rdev, sar_spec);
16606 rdev->cur_cmd_info = NULL;
16612 #define SELECTOR(__sel, name, value) \
16613 ((__sel) == (value)) ? NL80211_IFL_SEL_##name :
16614 int __missing_selector(void);
16615 #define IFLAGS(__val) INTERNAL_FLAG_SELECTORS(__val) __missing_selector()
16617 static const struct genl_ops nl80211_ops[] = {
16619 .cmd = NL80211_CMD_GET_WIPHY,
16620 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16621 .doit = nl80211_get_wiphy,
16622 .dumpit = nl80211_dump_wiphy,
16623 .done = nl80211_dump_wiphy_done,
16624 /* can be retrieved by unprivileged users */
16625 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16629 static const struct genl_small_ops nl80211_small_ops[] = {
16631 .cmd = NL80211_CMD_SET_WIPHY,
16632 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16633 .doit = nl80211_set_wiphy,
16634 .flags = GENL_UNS_ADMIN_PERM,
16637 .cmd = NL80211_CMD_GET_INTERFACE,
16638 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16639 .doit = nl80211_get_interface,
16640 .dumpit = nl80211_dump_interface,
16641 /* can be retrieved by unprivileged users */
16642 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
16645 .cmd = NL80211_CMD_SET_INTERFACE,
16646 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16647 .doit = nl80211_set_interface,
16648 .flags = GENL_UNS_ADMIN_PERM,
16649 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16650 NL80211_FLAG_NEED_RTNL),
16653 .cmd = NL80211_CMD_NEW_INTERFACE,
16654 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16655 .doit = nl80211_new_interface,
16656 .flags = GENL_UNS_ADMIN_PERM,
16658 IFLAGS(NL80211_FLAG_NEED_WIPHY |
16659 NL80211_FLAG_NEED_RTNL |
16660 /* we take the wiphy mutex later ourselves */
16661 NL80211_FLAG_NO_WIPHY_MTX),
16664 .cmd = NL80211_CMD_DEL_INTERFACE,
16665 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16666 .doit = nl80211_del_interface,
16667 .flags = GENL_UNS_ADMIN_PERM,
16668 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
16669 NL80211_FLAG_NEED_RTNL),
16672 .cmd = NL80211_CMD_GET_KEY,
16673 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16674 .doit = nl80211_get_key,
16675 .flags = GENL_UNS_ADMIN_PERM,
16676 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16679 .cmd = NL80211_CMD_SET_KEY,
16680 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16681 .doit = nl80211_set_key,
16682 .flags = GENL_UNS_ADMIN_PERM,
16683 /* cannot use NL80211_FLAG_MLO_VALID_LINK_ID, depends on key */
16684 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16685 NL80211_FLAG_CLEAR_SKB),
16688 .cmd = NL80211_CMD_NEW_KEY,
16689 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16690 .doit = nl80211_new_key,
16691 .flags = GENL_UNS_ADMIN_PERM,
16692 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16693 NL80211_FLAG_CLEAR_SKB),
16696 .cmd = NL80211_CMD_DEL_KEY,
16697 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16698 .doit = nl80211_del_key,
16699 .flags = GENL_UNS_ADMIN_PERM,
16700 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16703 .cmd = NL80211_CMD_SET_BEACON,
16704 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16705 .flags = GENL_UNS_ADMIN_PERM,
16706 .doit = nl80211_set_beacon,
16707 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16708 NL80211_FLAG_MLO_VALID_LINK_ID),
16711 .cmd = NL80211_CMD_START_AP,
16712 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16713 .flags = GENL_UNS_ADMIN_PERM,
16714 .doit = nl80211_start_ap,
16715 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16716 NL80211_FLAG_MLO_VALID_LINK_ID),
16719 .cmd = NL80211_CMD_STOP_AP,
16720 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16721 .flags = GENL_UNS_ADMIN_PERM,
16722 .doit = nl80211_stop_ap,
16723 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16724 NL80211_FLAG_MLO_VALID_LINK_ID),
16727 .cmd = NL80211_CMD_GET_STATION,
16728 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16729 .doit = nl80211_get_station,
16730 .dumpit = nl80211_dump_station,
16731 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16734 .cmd = NL80211_CMD_SET_STATION,
16735 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16736 .doit = nl80211_set_station,
16737 .flags = GENL_UNS_ADMIN_PERM,
16738 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16741 .cmd = NL80211_CMD_NEW_STATION,
16742 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16743 .doit = nl80211_new_station,
16744 .flags = GENL_UNS_ADMIN_PERM,
16745 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16748 .cmd = NL80211_CMD_DEL_STATION,
16749 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16750 .doit = nl80211_del_station,
16751 .flags = GENL_UNS_ADMIN_PERM,
16752 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16755 .cmd = NL80211_CMD_GET_MPATH,
16756 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16757 .doit = nl80211_get_mpath,
16758 .dumpit = nl80211_dump_mpath,
16759 .flags = GENL_UNS_ADMIN_PERM,
16760 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16763 .cmd = NL80211_CMD_GET_MPP,
16764 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16765 .doit = nl80211_get_mpp,
16766 .dumpit = nl80211_dump_mpp,
16767 .flags = GENL_UNS_ADMIN_PERM,
16768 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16771 .cmd = NL80211_CMD_SET_MPATH,
16772 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16773 .doit = nl80211_set_mpath,
16774 .flags = GENL_UNS_ADMIN_PERM,
16775 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16778 .cmd = NL80211_CMD_NEW_MPATH,
16779 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16780 .doit = nl80211_new_mpath,
16781 .flags = GENL_UNS_ADMIN_PERM,
16782 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16785 .cmd = NL80211_CMD_DEL_MPATH,
16786 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16787 .doit = nl80211_del_mpath,
16788 .flags = GENL_UNS_ADMIN_PERM,
16789 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16792 .cmd = NL80211_CMD_SET_BSS,
16793 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16794 .doit = nl80211_set_bss,
16795 .flags = GENL_UNS_ADMIN_PERM,
16796 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16797 NL80211_FLAG_MLO_VALID_LINK_ID),
16800 .cmd = NL80211_CMD_GET_REG,
16801 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16802 .doit = nl80211_get_reg_do,
16803 .dumpit = nl80211_get_reg_dump,
16804 /* can be retrieved by unprivileged users */
16806 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
16808 .cmd = NL80211_CMD_SET_REG,
16809 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16810 .doit = nl80211_set_reg,
16811 .flags = GENL_ADMIN_PERM,
16815 .cmd = NL80211_CMD_REQ_SET_REG,
16816 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16817 .doit = nl80211_req_set_reg,
16818 .flags = GENL_ADMIN_PERM,
16821 .cmd = NL80211_CMD_RELOAD_REGDB,
16822 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16823 .doit = nl80211_reload_regdb,
16824 .flags = GENL_ADMIN_PERM,
16827 .cmd = NL80211_CMD_GET_MESH_CONFIG,
16828 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16829 .doit = nl80211_get_mesh_config,
16830 /* can be retrieved by unprivileged users */
16831 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16834 .cmd = NL80211_CMD_SET_MESH_CONFIG,
16835 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16836 .doit = nl80211_update_mesh_config,
16837 .flags = GENL_UNS_ADMIN_PERM,
16838 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16841 .cmd = NL80211_CMD_TRIGGER_SCAN,
16842 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16843 .doit = nl80211_trigger_scan,
16844 .flags = GENL_UNS_ADMIN_PERM,
16845 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16848 .cmd = NL80211_CMD_ABORT_SCAN,
16849 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16850 .doit = nl80211_abort_scan,
16851 .flags = GENL_UNS_ADMIN_PERM,
16852 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16855 .cmd = NL80211_CMD_GET_SCAN,
16856 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16857 .dumpit = nl80211_dump_scan,
16860 .cmd = NL80211_CMD_START_SCHED_SCAN,
16861 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16862 .doit = nl80211_start_sched_scan,
16863 .flags = GENL_UNS_ADMIN_PERM,
16864 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16867 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
16868 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16869 .doit = nl80211_stop_sched_scan,
16870 .flags = GENL_UNS_ADMIN_PERM,
16871 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16874 .cmd = NL80211_CMD_AUTHENTICATE,
16875 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16876 .doit = nl80211_authenticate,
16877 .flags = GENL_UNS_ADMIN_PERM,
16878 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16879 NL80211_FLAG_CLEAR_SKB),
16882 .cmd = NL80211_CMD_ASSOCIATE,
16883 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16884 .doit = nl80211_associate,
16885 .flags = GENL_UNS_ADMIN_PERM,
16886 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16887 NL80211_FLAG_CLEAR_SKB),
16890 .cmd = NL80211_CMD_DEAUTHENTICATE,
16891 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16892 .doit = nl80211_deauthenticate,
16893 .flags = GENL_UNS_ADMIN_PERM,
16894 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16897 .cmd = NL80211_CMD_DISASSOCIATE,
16898 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16899 .doit = nl80211_disassociate,
16900 .flags = GENL_UNS_ADMIN_PERM,
16901 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16904 .cmd = NL80211_CMD_JOIN_IBSS,
16905 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16906 .doit = nl80211_join_ibss,
16907 .flags = GENL_UNS_ADMIN_PERM,
16908 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16911 .cmd = NL80211_CMD_LEAVE_IBSS,
16912 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16913 .doit = nl80211_leave_ibss,
16914 .flags = GENL_UNS_ADMIN_PERM,
16915 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16917 #ifdef CONFIG_NL80211_TESTMODE
16919 .cmd = NL80211_CMD_TESTMODE,
16920 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16921 .doit = nl80211_testmode_do,
16922 .dumpit = nl80211_testmode_dump,
16923 .flags = GENL_UNS_ADMIN_PERM,
16924 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16928 .cmd = NL80211_CMD_CONNECT,
16929 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16930 .doit = nl80211_connect,
16931 .flags = GENL_UNS_ADMIN_PERM,
16932 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16933 NL80211_FLAG_CLEAR_SKB),
16936 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
16937 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16938 .doit = nl80211_update_connect_params,
16939 .flags = GENL_ADMIN_PERM,
16940 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16941 NL80211_FLAG_CLEAR_SKB),
16944 .cmd = NL80211_CMD_DISCONNECT,
16945 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16946 .doit = nl80211_disconnect,
16947 .flags = GENL_UNS_ADMIN_PERM,
16948 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16951 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
16952 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16953 .doit = nl80211_wiphy_netns,
16954 .flags = GENL_UNS_ADMIN_PERM,
16955 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
16956 NL80211_FLAG_NEED_RTNL |
16957 NL80211_FLAG_NO_WIPHY_MTX),
16960 .cmd = NL80211_CMD_GET_SURVEY,
16961 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16962 .dumpit = nl80211_dump_survey,
16965 .cmd = NL80211_CMD_SET_PMKSA,
16966 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16967 .doit = nl80211_setdel_pmksa,
16968 .flags = GENL_UNS_ADMIN_PERM,
16969 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16970 NL80211_FLAG_CLEAR_SKB),
16973 .cmd = NL80211_CMD_DEL_PMKSA,
16974 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16975 .doit = nl80211_setdel_pmksa,
16976 .flags = GENL_UNS_ADMIN_PERM,
16977 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16980 .cmd = NL80211_CMD_FLUSH_PMKSA,
16981 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16982 .doit = nl80211_flush_pmksa,
16983 .flags = GENL_UNS_ADMIN_PERM,
16984 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16987 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
16988 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16989 .doit = nl80211_remain_on_channel,
16990 .flags = GENL_UNS_ADMIN_PERM,
16991 /* FIXME: requiring a link ID here is probably not good */
16992 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
16993 NL80211_FLAG_MLO_VALID_LINK_ID),
16996 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
16997 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16998 .doit = nl80211_cancel_remain_on_channel,
16999 .flags = GENL_UNS_ADMIN_PERM,
17000 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17003 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
17004 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17005 .doit = nl80211_set_tx_bitrate_mask,
17006 .flags = GENL_UNS_ADMIN_PERM,
17007 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17008 NL80211_FLAG_MLO_VALID_LINK_ID),
17011 .cmd = NL80211_CMD_REGISTER_FRAME,
17012 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17013 .doit = nl80211_register_mgmt,
17014 .flags = GENL_UNS_ADMIN_PERM,
17015 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
17018 .cmd = NL80211_CMD_FRAME,
17019 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17020 .doit = nl80211_tx_mgmt,
17021 .flags = GENL_UNS_ADMIN_PERM,
17022 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17025 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
17026 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17027 .doit = nl80211_tx_mgmt_cancel_wait,
17028 .flags = GENL_UNS_ADMIN_PERM,
17029 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17032 .cmd = NL80211_CMD_SET_POWER_SAVE,
17033 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17034 .doit = nl80211_set_power_save,
17035 .flags = GENL_UNS_ADMIN_PERM,
17036 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17039 .cmd = NL80211_CMD_GET_POWER_SAVE,
17040 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17041 .doit = nl80211_get_power_save,
17042 /* can be retrieved by unprivileged users */
17043 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17046 .cmd = NL80211_CMD_SET_CQM,
17047 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17048 .doit = nl80211_set_cqm,
17049 .flags = GENL_UNS_ADMIN_PERM,
17050 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17053 .cmd = NL80211_CMD_SET_CHANNEL,
17054 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17055 .doit = nl80211_set_channel,
17056 .flags = GENL_UNS_ADMIN_PERM,
17057 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17058 NL80211_FLAG_MLO_VALID_LINK_ID),
17061 .cmd = NL80211_CMD_JOIN_MESH,
17062 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17063 .doit = nl80211_join_mesh,
17064 .flags = GENL_UNS_ADMIN_PERM,
17065 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17068 .cmd = NL80211_CMD_LEAVE_MESH,
17069 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17070 .doit = nl80211_leave_mesh,
17071 .flags = GENL_UNS_ADMIN_PERM,
17072 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17075 .cmd = NL80211_CMD_JOIN_OCB,
17076 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17077 .doit = nl80211_join_ocb,
17078 .flags = GENL_UNS_ADMIN_PERM,
17079 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17082 .cmd = NL80211_CMD_LEAVE_OCB,
17083 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17084 .doit = nl80211_leave_ocb,
17085 .flags = GENL_UNS_ADMIN_PERM,
17086 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17090 .cmd = NL80211_CMD_GET_WOWLAN,
17091 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17092 .doit = nl80211_get_wowlan,
17093 /* can be retrieved by unprivileged users */
17094 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17097 .cmd = NL80211_CMD_SET_WOWLAN,
17098 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17099 .doit = nl80211_set_wowlan,
17100 .flags = GENL_UNS_ADMIN_PERM,
17101 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17105 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
17106 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17107 .doit = nl80211_set_rekey_data,
17108 .flags = GENL_UNS_ADMIN_PERM,
17109 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17110 NL80211_FLAG_CLEAR_SKB),
17113 .cmd = NL80211_CMD_TDLS_MGMT,
17114 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17115 .doit = nl80211_tdls_mgmt,
17116 .flags = GENL_UNS_ADMIN_PERM,
17117 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17120 .cmd = NL80211_CMD_TDLS_OPER,
17121 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17122 .doit = nl80211_tdls_oper,
17123 .flags = GENL_UNS_ADMIN_PERM,
17124 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17127 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
17128 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17129 .doit = nl80211_register_unexpected_frame,
17130 .flags = GENL_UNS_ADMIN_PERM,
17131 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17134 .cmd = NL80211_CMD_PROBE_CLIENT,
17135 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17136 .doit = nl80211_probe_client,
17137 .flags = GENL_UNS_ADMIN_PERM,
17138 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17141 .cmd = NL80211_CMD_REGISTER_BEACONS,
17142 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17143 .doit = nl80211_register_beacons,
17144 .flags = GENL_UNS_ADMIN_PERM,
17145 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17148 .cmd = NL80211_CMD_SET_NOACK_MAP,
17149 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17150 .doit = nl80211_set_noack_map,
17151 .flags = GENL_UNS_ADMIN_PERM,
17152 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17155 .cmd = NL80211_CMD_START_P2P_DEVICE,
17156 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17157 .doit = nl80211_start_p2p_device,
17158 .flags = GENL_UNS_ADMIN_PERM,
17159 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
17160 NL80211_FLAG_NEED_RTNL),
17163 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
17164 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17165 .doit = nl80211_stop_p2p_device,
17166 .flags = GENL_UNS_ADMIN_PERM,
17167 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17168 NL80211_FLAG_NEED_RTNL),
17171 .cmd = NL80211_CMD_START_NAN,
17172 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17173 .doit = nl80211_start_nan,
17174 .flags = GENL_ADMIN_PERM,
17175 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
17176 NL80211_FLAG_NEED_RTNL),
17179 .cmd = NL80211_CMD_STOP_NAN,
17180 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17181 .doit = nl80211_stop_nan,
17182 .flags = GENL_ADMIN_PERM,
17183 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17184 NL80211_FLAG_NEED_RTNL),
17187 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
17188 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17189 .doit = nl80211_nan_add_func,
17190 .flags = GENL_ADMIN_PERM,
17191 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17194 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
17195 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17196 .doit = nl80211_nan_del_func,
17197 .flags = GENL_ADMIN_PERM,
17198 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17201 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
17202 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17203 .doit = nl80211_nan_change_config,
17204 .flags = GENL_ADMIN_PERM,
17205 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17208 .cmd = NL80211_CMD_SET_MCAST_RATE,
17209 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17210 .doit = nl80211_set_mcast_rate,
17211 .flags = GENL_UNS_ADMIN_PERM,
17212 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17215 .cmd = NL80211_CMD_SET_MAC_ACL,
17216 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17217 .doit = nl80211_set_mac_acl,
17218 .flags = GENL_UNS_ADMIN_PERM,
17219 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17220 NL80211_FLAG_MLO_UNSUPPORTED),
17223 .cmd = NL80211_CMD_RADAR_DETECT,
17224 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17225 .doit = nl80211_start_radar_detection,
17226 .flags = GENL_UNS_ADMIN_PERM,
17227 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17228 NL80211_FLAG_NO_WIPHY_MTX |
17229 NL80211_FLAG_MLO_UNSUPPORTED),
17232 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
17233 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17234 .doit = nl80211_get_protocol_features,
17237 .cmd = NL80211_CMD_UPDATE_FT_IES,
17238 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17239 .doit = nl80211_update_ft_ies,
17240 .flags = GENL_UNS_ADMIN_PERM,
17241 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17244 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
17245 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17246 .doit = nl80211_crit_protocol_start,
17247 .flags = GENL_UNS_ADMIN_PERM,
17248 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17251 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
17252 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17253 .doit = nl80211_crit_protocol_stop,
17254 .flags = GENL_UNS_ADMIN_PERM,
17255 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17258 .cmd = NL80211_CMD_GET_COALESCE,
17259 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17260 .doit = nl80211_get_coalesce,
17261 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17264 .cmd = NL80211_CMD_SET_COALESCE,
17265 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17266 .doit = nl80211_set_coalesce,
17267 .flags = GENL_UNS_ADMIN_PERM,
17268 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17271 .cmd = NL80211_CMD_CHANNEL_SWITCH,
17272 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17273 .doit = nl80211_channel_switch,
17274 .flags = GENL_UNS_ADMIN_PERM,
17275 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17276 NL80211_FLAG_MLO_VALID_LINK_ID),
17279 .cmd = NL80211_CMD_VENDOR,
17280 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17281 .doit = nl80211_vendor_cmd,
17282 .dumpit = nl80211_vendor_cmd_dump,
17283 .flags = GENL_UNS_ADMIN_PERM,
17284 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17285 NL80211_FLAG_CLEAR_SKB),
17288 .cmd = NL80211_CMD_SET_QOS_MAP,
17289 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17290 .doit = nl80211_set_qos_map,
17291 .flags = GENL_UNS_ADMIN_PERM,
17292 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17295 .cmd = NL80211_CMD_ADD_TX_TS,
17296 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17297 .doit = nl80211_add_tx_ts,
17298 .flags = GENL_UNS_ADMIN_PERM,
17299 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17300 NL80211_FLAG_MLO_UNSUPPORTED),
17303 .cmd = NL80211_CMD_DEL_TX_TS,
17304 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17305 .doit = nl80211_del_tx_ts,
17306 .flags = GENL_UNS_ADMIN_PERM,
17307 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17310 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
17311 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17312 .doit = nl80211_tdls_channel_switch,
17313 .flags = GENL_UNS_ADMIN_PERM,
17314 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17317 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
17318 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17319 .doit = nl80211_tdls_cancel_channel_switch,
17320 .flags = GENL_UNS_ADMIN_PERM,
17321 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17324 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
17325 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17326 .doit = nl80211_set_multicast_to_unicast,
17327 .flags = GENL_UNS_ADMIN_PERM,
17328 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17331 .cmd = NL80211_CMD_SET_PMK,
17332 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17333 .doit = nl80211_set_pmk,
17334 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17335 NL80211_FLAG_CLEAR_SKB),
17338 .cmd = NL80211_CMD_DEL_PMK,
17339 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17340 .doit = nl80211_del_pmk,
17341 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17344 .cmd = NL80211_CMD_EXTERNAL_AUTH,
17345 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17346 .doit = nl80211_external_auth,
17347 .flags = GENL_ADMIN_PERM,
17348 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17351 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
17352 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17353 .doit = nl80211_tx_control_port,
17354 .flags = GENL_UNS_ADMIN_PERM,
17355 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17358 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
17359 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17360 .doit = nl80211_get_ftm_responder_stats,
17361 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17362 NL80211_FLAG_MLO_VALID_LINK_ID),
17365 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
17366 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17367 .doit = nl80211_pmsr_start,
17368 .flags = GENL_UNS_ADMIN_PERM,
17369 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17372 .cmd = NL80211_CMD_NOTIFY_RADAR,
17373 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17374 .doit = nl80211_notify_radar_detection,
17375 .flags = GENL_UNS_ADMIN_PERM,
17376 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17379 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
17380 .doit = nl80211_update_owe_info,
17381 .flags = GENL_ADMIN_PERM,
17382 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17385 .cmd = NL80211_CMD_PROBE_MESH_LINK,
17386 .doit = nl80211_probe_mesh_link,
17387 .flags = GENL_UNS_ADMIN_PERM,
17388 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17391 .cmd = NL80211_CMD_SET_TID_CONFIG,
17392 .doit = nl80211_set_tid_config,
17393 .flags = GENL_UNS_ADMIN_PERM,
17394 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17395 NL80211_FLAG_MLO_VALID_LINK_ID),
17398 .cmd = NL80211_CMD_SET_SAR_SPECS,
17399 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17400 .doit = nl80211_set_sar_specs,
17401 .flags = GENL_UNS_ADMIN_PERM,
17402 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17403 NL80211_FLAG_NEED_RTNL),
17406 .cmd = NL80211_CMD_COLOR_CHANGE_REQUEST,
17407 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17408 .doit = nl80211_color_change,
17409 .flags = GENL_UNS_ADMIN_PERM,
17410 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17413 .cmd = NL80211_CMD_SET_FILS_AAD,
17414 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17415 .doit = nl80211_set_fils_aad,
17416 .flags = GENL_UNS_ADMIN_PERM,
17417 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17420 .cmd = NL80211_CMD_ADD_LINK,
17421 .doit = nl80211_add_link,
17422 .flags = GENL_UNS_ADMIN_PERM,
17423 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17426 .cmd = NL80211_CMD_REMOVE_LINK,
17427 .doit = nl80211_remove_link,
17428 .flags = GENL_UNS_ADMIN_PERM,
17429 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17430 NL80211_FLAG_MLO_VALID_LINK_ID),
17433 .cmd = NL80211_CMD_ADD_LINK_STA,
17434 .doit = nl80211_add_link_station,
17435 .flags = GENL_UNS_ADMIN_PERM,
17436 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17437 NL80211_FLAG_MLO_VALID_LINK_ID),
17440 .cmd = NL80211_CMD_MODIFY_LINK_STA,
17441 .doit = nl80211_modify_link_station,
17442 .flags = GENL_UNS_ADMIN_PERM,
17443 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17444 NL80211_FLAG_MLO_VALID_LINK_ID),
17447 .cmd = NL80211_CMD_REMOVE_LINK_STA,
17448 .doit = nl80211_remove_link_station,
17449 .flags = GENL_UNS_ADMIN_PERM,
17450 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17451 NL80211_FLAG_MLO_VALID_LINK_ID),
17454 .cmd = NL80211_CMD_SET_HW_TIMESTAMP,
17455 .doit = nl80211_set_hw_timestamp,
17456 .flags = GENL_UNS_ADMIN_PERM,
17457 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17461 static struct genl_family nl80211_fam __ro_after_init = {
17462 .name = NL80211_GENL_NAME, /* have users key off the name instead */
17463 .hdrsize = 0, /* no private header */
17464 .version = 1, /* no particular meaning now */
17465 .maxattr = NL80211_ATTR_MAX,
17466 .policy = nl80211_policy,
17468 .pre_doit = nl80211_pre_doit,
17469 .post_doit = nl80211_post_doit,
17470 .module = THIS_MODULE,
17471 .ops = nl80211_ops,
17472 .n_ops = ARRAY_SIZE(nl80211_ops),
17473 .small_ops = nl80211_small_ops,
17474 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
17475 .resv_start_op = NL80211_CMD_REMOVE_LINK_STA + 1,
17476 .mcgrps = nl80211_mcgrps,
17477 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
17478 .parallel_ops = true,
17481 /* notification functions */
17483 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
17484 enum nl80211_commands cmd)
17486 struct sk_buff *msg;
17487 struct nl80211_dump_wiphy_state state = {};
17489 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
17490 cmd != NL80211_CMD_DEL_WIPHY);
17492 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17496 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
17501 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17502 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17505 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
17506 struct wireless_dev *wdev,
17507 enum nl80211_commands cmd)
17509 struct sk_buff *msg;
17511 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17515 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
17520 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17521 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17524 static int nl80211_add_scan_req(struct sk_buff *msg,
17525 struct cfg80211_registered_device *rdev)
17527 struct cfg80211_scan_request *req = rdev->scan_req;
17528 struct nlattr *nest;
17530 struct cfg80211_scan_info *info;
17535 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
17537 goto nla_put_failure;
17538 for (i = 0; i < req->n_ssids; i++) {
17539 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
17540 goto nla_put_failure;
17542 nla_nest_end(msg, nest);
17544 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
17545 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
17547 goto nla_put_failure;
17548 for (i = 0; i < req->n_channels; i++) {
17549 if (nla_put_u32(msg, i,
17550 ieee80211_channel_to_khz(req->channels[i])))
17551 goto nla_put_failure;
17553 nla_nest_end(msg, nest);
17555 nest = nla_nest_start_noflag(msg,
17556 NL80211_ATTR_SCAN_FREQUENCIES);
17558 goto nla_put_failure;
17559 for (i = 0; i < req->n_channels; i++) {
17560 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
17561 goto nla_put_failure;
17563 nla_nest_end(msg, nest);
17567 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
17568 goto nla_put_failure;
17571 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
17572 goto nla_put_failure;
17574 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
17575 &rdev->scan_req->info;
17576 if (info->scan_start_tsf &&
17577 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
17578 info->scan_start_tsf, NL80211_BSS_PAD) ||
17579 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
17581 goto nla_put_failure;
17588 static int nl80211_prep_scan_msg(struct sk_buff *msg,
17589 struct cfg80211_registered_device *rdev,
17590 struct wireless_dev *wdev,
17591 u32 portid, u32 seq, int flags,
17596 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
17600 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17601 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17602 wdev->netdev->ifindex)) ||
17603 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17605 goto nla_put_failure;
17607 /* ignore errors and send incomplete event anyway */
17608 nl80211_add_scan_req(msg, rdev);
17610 genlmsg_end(msg, hdr);
17614 genlmsg_cancel(msg, hdr);
17619 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
17620 struct cfg80211_sched_scan_request *req, u32 cmd)
17624 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17628 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
17629 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
17630 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
17631 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
17633 goto nla_put_failure;
17635 genlmsg_end(msg, hdr);
17639 genlmsg_cancel(msg, hdr);
17643 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
17644 struct wireless_dev *wdev)
17646 struct sk_buff *msg;
17648 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17652 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
17653 NL80211_CMD_TRIGGER_SCAN) < 0) {
17658 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17659 NL80211_MCGRP_SCAN, GFP_KERNEL);
17662 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
17663 struct wireless_dev *wdev, bool aborted)
17665 struct sk_buff *msg;
17667 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17671 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
17672 aborted ? NL80211_CMD_SCAN_ABORTED :
17673 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
17681 /* send message created by nl80211_build_scan_msg() */
17682 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
17683 struct sk_buff *msg)
17688 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17689 NL80211_MCGRP_SCAN, GFP_KERNEL);
17692 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
17694 struct sk_buff *msg;
17696 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17700 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
17705 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
17706 NL80211_MCGRP_SCAN, GFP_KERNEL);
17709 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
17710 struct regulatory_request *request)
17712 /* Userspace can always count this one always being set */
17713 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
17714 goto nla_put_failure;
17716 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
17717 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17718 NL80211_REGDOM_TYPE_WORLD))
17719 goto nla_put_failure;
17720 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
17721 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17722 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
17723 goto nla_put_failure;
17724 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
17725 request->intersect) {
17726 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17727 NL80211_REGDOM_TYPE_INTERSECTION))
17728 goto nla_put_failure;
17730 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17731 NL80211_REGDOM_TYPE_COUNTRY) ||
17732 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
17734 goto nla_put_failure;
17737 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
17738 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
17741 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
17742 goto nla_put_failure;
17745 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
17746 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
17747 goto nla_put_failure;
17757 * This can happen on global regulatory changes or device specific settings
17758 * based on custom regulatory domains.
17760 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
17761 struct regulatory_request *request)
17763 struct sk_buff *msg;
17766 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17770 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
17772 goto nla_put_failure;
17774 if (!nl80211_reg_change_event_fill(msg, request))
17775 goto nla_put_failure;
17777 genlmsg_end(msg, hdr);
17780 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
17781 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
17790 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
17791 struct net_device *netdev,
17792 const u8 *buf, size_t len,
17793 enum nl80211_commands cmd, gfp_t gfp,
17794 int uapsd_queues, const u8 *req_ies,
17795 size_t req_ies_len, bool reconnect)
17797 struct sk_buff *msg;
17800 msg = nlmsg_new(100 + len + req_ies_len, gfp);
17804 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17810 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17811 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17812 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
17814 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
17815 goto nla_put_failure;
17817 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
17818 goto nla_put_failure;
17820 if (uapsd_queues >= 0) {
17821 struct nlattr *nla_wmm =
17822 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
17824 goto nla_put_failure;
17826 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
17828 goto nla_put_failure;
17830 nla_nest_end(msg, nla_wmm);
17833 genlmsg_end(msg, hdr);
17835 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17836 NL80211_MCGRP_MLME, gfp);
17843 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
17844 struct net_device *netdev, const u8 *buf,
17845 size_t len, gfp_t gfp)
17847 nl80211_send_mlme_event(rdev, netdev, buf, len,
17848 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
17852 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
17853 struct net_device *netdev,
17854 struct cfg80211_rx_assoc_resp *data)
17856 nl80211_send_mlme_event(rdev, netdev, data->buf, data->len,
17857 NL80211_CMD_ASSOCIATE, GFP_KERNEL,
17858 data->uapsd_queues,
17859 data->req_ies, data->req_ies_len, false);
17862 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
17863 struct net_device *netdev, const u8 *buf,
17864 size_t len, bool reconnect, gfp_t gfp)
17866 nl80211_send_mlme_event(rdev, netdev, buf, len,
17867 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
17871 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
17872 struct net_device *netdev, const u8 *buf,
17873 size_t len, bool reconnect, gfp_t gfp)
17875 nl80211_send_mlme_event(rdev, netdev, buf, len,
17876 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
17880 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
17883 struct wireless_dev *wdev = dev->ieee80211_ptr;
17884 struct wiphy *wiphy = wdev->wiphy;
17885 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17886 const struct ieee80211_mgmt *mgmt = (void *)buf;
17889 if (WARN_ON(len < 2))
17892 if (ieee80211_is_deauth(mgmt->frame_control)) {
17893 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
17894 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
17895 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
17896 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
17897 if (wdev->unprot_beacon_reported &&
17898 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
17900 cmd = NL80211_CMD_UNPROT_BEACON;
17901 wdev->unprot_beacon_reported = jiffies;
17906 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
17907 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
17910 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
17912 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
17913 struct net_device *netdev, int cmd,
17914 const u8 *addr, gfp_t gfp)
17916 struct sk_buff *msg;
17919 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17923 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17929 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17930 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17931 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
17932 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
17933 goto nla_put_failure;
17935 genlmsg_end(msg, hdr);
17937 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17938 NL80211_MCGRP_MLME, gfp);
17945 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
17946 struct net_device *netdev, const u8 *addr,
17949 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
17953 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
17954 struct net_device *netdev, const u8 *addr,
17957 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
17961 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
17962 struct net_device *netdev,
17963 struct cfg80211_connect_resp_params *cr,
17966 struct sk_buff *msg;
17969 size_t link_info_size = 0;
17970 const u8 *connected_addr = cr->valid_links ?
17971 cr->ap_mld_addr : cr->links[0].bssid;
17973 if (cr->valid_links) {
17974 for_each_valid_link(cr, link) {
17975 /* Nested attribute header */
17976 link_info_size += NLA_HDRLEN;
17978 link_info_size += nla_total_size(sizeof(u8));
17979 link_info_size += cr->links[link].addr ?
17980 nla_total_size(ETH_ALEN) : 0;
17981 link_info_size += (cr->links[link].bssid ||
17982 cr->links[link].bss) ?
17983 nla_total_size(ETH_ALEN) : 0;
17984 link_info_size += nla_total_size(sizeof(u16));
17988 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
17989 cr->fils.kek_len + cr->fils.pmk_len +
17990 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0) + link_info_size,
17995 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
18001 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18002 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18004 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr)) ||
18005 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
18006 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
18009 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
18010 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
18011 cr->timeout_reason))) ||
18013 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
18015 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
18017 (cr->fils.update_erp_next_seq_num &&
18018 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
18019 cr->fils.erp_next_seq_num)) ||
18020 (cr->status == WLAN_STATUS_SUCCESS &&
18022 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
18025 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
18027 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
18028 goto nla_put_failure;
18030 if (cr->valid_links) {
18032 struct nlattr *nested;
18034 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18036 goto nla_put_failure;
18038 for_each_valid_link(cr, link) {
18039 struct nlattr *nested_mlo_links;
18040 const u8 *bssid = cr->links[link].bss ?
18041 cr->links[link].bss->bssid :
18042 cr->links[link].bssid;
18044 nested_mlo_links = nla_nest_start(msg, i);
18045 if (!nested_mlo_links)
18046 goto nla_put_failure;
18048 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
18050 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
18051 (cr->links[link].addr &&
18052 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
18053 cr->links[link].addr)) ||
18054 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
18055 cr->links[link].status))
18056 goto nla_put_failure;
18058 nla_nest_end(msg, nested_mlo_links);
18061 nla_nest_end(msg, nested);
18064 genlmsg_end(msg, hdr);
18066 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18067 NL80211_MCGRP_MLME, gfp);
18074 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
18075 struct net_device *netdev,
18076 struct cfg80211_roam_info *info, gfp_t gfp)
18078 struct sk_buff *msg;
18080 size_t link_info_size = 0;
18082 const u8 *connected_addr = info->ap_mld_addr ?
18083 info->ap_mld_addr :
18084 (info->links[0].bss ?
18085 info->links[0].bss->bssid :
18086 info->links[0].bssid);
18088 if (info->valid_links) {
18089 for_each_valid_link(info, link) {
18090 /* Nested attribute header */
18091 link_info_size += NLA_HDRLEN;
18093 link_info_size += nla_total_size(sizeof(u8));
18094 link_info_size += info->links[link].addr ?
18095 nla_total_size(ETH_ALEN) : 0;
18096 link_info_size += (info->links[link].bssid ||
18097 info->links[link].bss) ?
18098 nla_total_size(ETH_ALEN) : 0;
18102 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
18103 info->fils.kek_len + info->fils.pmk_len +
18104 (info->fils.pmkid ? WLAN_PMKID_LEN : 0) +
18105 link_info_size, gfp);
18109 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
18115 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18116 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18117 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr) ||
18119 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
18122 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
18124 (info->fils.update_erp_next_seq_num &&
18125 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
18126 info->fils.erp_next_seq_num)) ||
18128 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
18129 info->fils.kek)) ||
18131 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
18132 (info->fils.pmkid &&
18133 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
18134 goto nla_put_failure;
18136 if (info->valid_links) {
18138 struct nlattr *nested;
18140 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18142 goto nla_put_failure;
18144 for_each_valid_link(info, link) {
18145 struct nlattr *nested_mlo_links;
18146 const u8 *bssid = info->links[link].bss ?
18147 info->links[link].bss->bssid :
18148 info->links[link].bssid;
18150 nested_mlo_links = nla_nest_start(msg, i);
18151 if (!nested_mlo_links)
18152 goto nla_put_failure;
18154 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
18156 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
18157 (info->links[link].addr &&
18158 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
18159 info->links[link].addr)))
18160 goto nla_put_failure;
18162 nla_nest_end(msg, nested_mlo_links);
18165 nla_nest_end(msg, nested);
18168 genlmsg_end(msg, hdr);
18170 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18171 NL80211_MCGRP_MLME, gfp);
18178 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
18179 struct net_device *netdev, const u8 *bssid,
18180 const u8 *td_bitmap, u8 td_bitmap_len)
18182 struct sk_buff *msg;
18185 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18189 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
18195 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18196 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18197 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18198 goto nla_put_failure;
18200 if ((td_bitmap_len > 0) && td_bitmap)
18201 if (nla_put(msg, NL80211_ATTR_TD_BITMAP,
18202 td_bitmap_len, td_bitmap))
18203 goto nla_put_failure;
18205 genlmsg_end(msg, hdr);
18207 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18208 NL80211_MCGRP_MLME, GFP_KERNEL);
18215 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
18216 struct net_device *netdev, u16 reason,
18217 const u8 *ie, size_t ie_len, bool from_ap)
18219 struct sk_buff *msg;
18222 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
18226 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
18232 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18233 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18235 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
18237 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
18238 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
18239 goto nla_put_failure;
18241 genlmsg_end(msg, hdr);
18243 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18244 NL80211_MCGRP_MLME, GFP_KERNEL);
18251 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
18252 struct net_device *netdev, const u8 *bssid,
18255 struct sk_buff *msg;
18258 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18262 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
18268 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18269 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18270 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18271 goto nla_put_failure;
18273 genlmsg_end(msg, hdr);
18275 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18276 NL80211_MCGRP_MLME, gfp);
18283 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
18284 const u8 *ie, u8 ie_len,
18285 int sig_dbm, gfp_t gfp)
18287 struct wireless_dev *wdev = dev->ieee80211_ptr;
18288 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18289 struct sk_buff *msg;
18292 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
18295 trace_cfg80211_notify_new_peer_candidate(dev, addr);
18297 msg = nlmsg_new(100 + ie_len, gfp);
18301 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
18307 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18308 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18309 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
18311 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
18313 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
18314 goto nla_put_failure;
18316 genlmsg_end(msg, hdr);
18318 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18319 NL80211_MCGRP_MLME, gfp);
18325 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
18327 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
18328 struct net_device *netdev, const u8 *addr,
18329 enum nl80211_key_type key_type, int key_id,
18330 const u8 *tsc, gfp_t gfp)
18332 struct sk_buff *msg;
18335 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18339 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
18345 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18346 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18347 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
18348 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
18350 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
18351 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
18352 goto nla_put_failure;
18354 genlmsg_end(msg, hdr);
18356 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18357 NL80211_MCGRP_MLME, gfp);
18364 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
18365 struct ieee80211_channel *channel_before,
18366 struct ieee80211_channel *channel_after)
18368 struct sk_buff *msg;
18370 struct nlattr *nl_freq;
18372 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
18376 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
18383 * Since we are applying the beacon hint to a wiphy we know its
18384 * wiphy_idx is valid
18386 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
18387 goto nla_put_failure;
18390 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
18392 goto nla_put_failure;
18394 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
18395 goto nla_put_failure;
18396 nla_nest_end(msg, nl_freq);
18399 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
18401 goto nla_put_failure;
18403 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
18404 goto nla_put_failure;
18405 nla_nest_end(msg, nl_freq);
18407 genlmsg_end(msg, hdr);
18410 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
18411 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
18420 static void nl80211_send_remain_on_chan_event(
18421 int cmd, struct cfg80211_registered_device *rdev,
18422 struct wireless_dev *wdev, u64 cookie,
18423 struct ieee80211_channel *chan,
18424 unsigned int duration, gfp_t gfp)
18426 struct sk_buff *msg;
18429 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18433 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18439 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18440 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18441 wdev->netdev->ifindex)) ||
18442 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18443 NL80211_ATTR_PAD) ||
18444 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
18445 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
18446 NL80211_CHAN_NO_HT) ||
18447 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
18449 goto nla_put_failure;
18451 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
18452 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
18453 goto nla_put_failure;
18455 genlmsg_end(msg, hdr);
18457 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18458 NL80211_MCGRP_MLME, gfp);
18465 void cfg80211_assoc_comeback(struct net_device *netdev,
18466 const u8 *ap_addr, u32 timeout)
18468 struct wireless_dev *wdev = netdev->ieee80211_ptr;
18469 struct wiphy *wiphy = wdev->wiphy;
18470 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18471 struct sk_buff *msg;
18474 trace_cfg80211_assoc_comeback(wdev, ap_addr, timeout);
18476 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18480 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ASSOC_COMEBACK);
18486 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18487 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18488 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ap_addr) ||
18489 nla_put_u32(msg, NL80211_ATTR_TIMEOUT, timeout))
18490 goto nla_put_failure;
18492 genlmsg_end(msg, hdr);
18494 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18495 NL80211_MCGRP_MLME, GFP_KERNEL);
18501 EXPORT_SYMBOL(cfg80211_assoc_comeback);
18503 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
18504 struct ieee80211_channel *chan,
18505 unsigned int duration, gfp_t gfp)
18507 struct wiphy *wiphy = wdev->wiphy;
18508 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18510 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
18511 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
18512 rdev, wdev, cookie, chan,
18515 EXPORT_SYMBOL(cfg80211_ready_on_channel);
18517 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
18518 struct ieee80211_channel *chan,
18521 struct wiphy *wiphy = wdev->wiphy;
18522 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18524 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
18525 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
18526 rdev, wdev, cookie, chan, 0, gfp);
18528 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
18530 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
18531 struct ieee80211_channel *chan,
18534 struct wiphy *wiphy = wdev->wiphy;
18535 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18537 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
18538 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
18539 rdev, wdev, cookie, chan, 0, gfp);
18541 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
18543 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
18544 struct station_info *sinfo, gfp_t gfp)
18546 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18547 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18548 struct sk_buff *msg;
18550 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
18552 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18556 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
18557 rdev, dev, mac_addr, sinfo) < 0) {
18562 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18563 NL80211_MCGRP_MLME, gfp);
18565 EXPORT_SYMBOL(cfg80211_new_sta);
18567 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
18568 struct station_info *sinfo, gfp_t gfp)
18570 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18571 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18572 struct sk_buff *msg;
18573 struct station_info empty_sinfo = {};
18576 sinfo = &empty_sinfo;
18578 trace_cfg80211_del_sta(dev, mac_addr);
18580 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18582 cfg80211_sinfo_release_content(sinfo);
18586 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
18587 rdev, dev, mac_addr, sinfo) < 0) {
18592 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18593 NL80211_MCGRP_MLME, gfp);
18595 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
18597 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
18598 enum nl80211_connect_failed_reason reason,
18601 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18602 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18603 struct sk_buff *msg;
18606 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
18610 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
18616 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18617 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
18618 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
18619 goto nla_put_failure;
18621 genlmsg_end(msg, hdr);
18623 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18624 NL80211_MCGRP_MLME, gfp);
18630 EXPORT_SYMBOL(cfg80211_conn_failed);
18632 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
18633 const u8 *addr, gfp_t gfp)
18635 struct wireless_dev *wdev = dev->ieee80211_ptr;
18636 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18637 struct sk_buff *msg;
18639 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
18644 msg = nlmsg_new(100, gfp);
18648 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18654 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18655 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18656 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
18657 goto nla_put_failure;
18659 genlmsg_end(msg, hdr);
18660 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18668 bool cfg80211_rx_spurious_frame(struct net_device *dev,
18669 const u8 *addr, gfp_t gfp)
18671 struct wireless_dev *wdev = dev->ieee80211_ptr;
18674 trace_cfg80211_rx_spurious_frame(dev, addr);
18676 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18677 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
18678 trace_cfg80211_return_bool(false);
18681 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
18683 trace_cfg80211_return_bool(ret);
18686 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
18688 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
18689 const u8 *addr, gfp_t gfp)
18691 struct wireless_dev *wdev = dev->ieee80211_ptr;
18694 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
18696 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18697 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
18698 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
18699 trace_cfg80211_return_bool(false);
18702 ret = __nl80211_unexpected_frame(dev,
18703 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
18705 trace_cfg80211_return_bool(ret);
18708 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
18710 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
18711 struct wireless_dev *wdev, u32 nlportid,
18712 struct cfg80211_rx_info *info, gfp_t gfp)
18714 struct net_device *netdev = wdev->netdev;
18715 struct sk_buff *msg;
18718 msg = nlmsg_new(100 + info->len, gfp);
18722 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
18728 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18729 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18730 netdev->ifindex)) ||
18731 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18732 NL80211_ATTR_PAD) ||
18733 (info->have_link_id &&
18734 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, info->link_id)) ||
18735 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(info->freq)) ||
18736 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, info->freq % 1000) ||
18738 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, info->sig_dbm)) ||
18739 nla_put(msg, NL80211_ATTR_FRAME, info->len, info->buf) ||
18741 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, info->flags)) ||
18742 (info->rx_tstamp && nla_put_u64_64bit(msg,
18743 NL80211_ATTR_RX_HW_TIMESTAMP,
18745 NL80211_ATTR_PAD)) ||
18746 (info->ack_tstamp && nla_put_u64_64bit(msg,
18747 NL80211_ATTR_TX_HW_TIMESTAMP,
18749 NL80211_ATTR_PAD)))
18750 goto nla_put_failure;
18752 genlmsg_end(msg, hdr);
18754 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18761 static void nl80211_frame_tx_status(struct wireless_dev *wdev,
18762 struct cfg80211_tx_status *status,
18763 gfp_t gfp, enum nl80211_commands command)
18765 struct wiphy *wiphy = wdev->wiphy;
18766 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18767 struct net_device *netdev = wdev->netdev;
18768 struct sk_buff *msg;
18771 if (command == NL80211_CMD_FRAME_TX_STATUS)
18772 trace_cfg80211_mgmt_tx_status(wdev, status->cookie,
18775 trace_cfg80211_control_port_tx_status(wdev, status->cookie,
18778 msg = nlmsg_new(100 + status->len, gfp);
18782 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
18788 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18789 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18790 netdev->ifindex)) ||
18791 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18792 NL80211_ATTR_PAD) ||
18793 nla_put(msg, NL80211_ATTR_FRAME, status->len, status->buf) ||
18794 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, status->cookie,
18795 NL80211_ATTR_PAD) ||
18796 (status->ack && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
18797 (status->tx_tstamp &&
18798 nla_put_u64_64bit(msg, NL80211_ATTR_TX_HW_TIMESTAMP,
18799 status->tx_tstamp, NL80211_ATTR_PAD)) ||
18800 (status->ack_tstamp &&
18801 nla_put_u64_64bit(msg, NL80211_ATTR_RX_HW_TIMESTAMP,
18802 status->ack_tstamp, NL80211_ATTR_PAD)))
18803 goto nla_put_failure;
18805 genlmsg_end(msg, hdr);
18807 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18808 NL80211_MCGRP_MLME, gfp);
18815 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
18816 const u8 *buf, size_t len, bool ack,
18819 struct cfg80211_tx_status status = {
18826 nl80211_frame_tx_status(wdev, &status, gfp,
18827 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
18829 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
18831 void cfg80211_mgmt_tx_status_ext(struct wireless_dev *wdev,
18832 struct cfg80211_tx_status *status, gfp_t gfp)
18834 nl80211_frame_tx_status(wdev, status, gfp, NL80211_CMD_FRAME_TX_STATUS);
18836 EXPORT_SYMBOL(cfg80211_mgmt_tx_status_ext);
18838 static int __nl80211_rx_control_port(struct net_device *dev,
18839 struct sk_buff *skb,
18844 struct wireless_dev *wdev = dev->ieee80211_ptr;
18845 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18846 struct ethhdr *ehdr = eth_hdr(skb);
18847 const u8 *addr = ehdr->h_source;
18848 u16 proto = be16_to_cpu(skb->protocol);
18849 struct sk_buff *msg;
18851 struct nlattr *frame;
18853 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
18858 msg = nlmsg_new(100 + skb->len, gfp);
18862 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
18868 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18869 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18870 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18871 NL80211_ATTR_PAD) ||
18872 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
18873 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
18875 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
18876 (unencrypted && nla_put_flag(msg,
18877 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
18878 goto nla_put_failure;
18880 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
18882 goto nla_put_failure;
18884 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
18885 genlmsg_end(msg, hdr);
18887 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18894 bool cfg80211_rx_control_port(struct net_device *dev, struct sk_buff *skb,
18895 bool unencrypted, int link_id)
18899 trace_cfg80211_rx_control_port(dev, skb, unencrypted, link_id);
18900 ret = __nl80211_rx_control_port(dev, skb, unencrypted, link_id,
18902 trace_cfg80211_return_bool(ret == 0);
18905 EXPORT_SYMBOL(cfg80211_rx_control_port);
18907 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
18908 const char *mac, gfp_t gfp)
18910 struct wireless_dev *wdev = dev->ieee80211_ptr;
18911 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18912 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18918 cb = (void **)msg->cb;
18920 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
18926 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18927 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
18928 goto nla_put_failure;
18930 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
18931 goto nla_put_failure;
18933 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
18935 goto nla_put_failure;
18945 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
18947 void **cb = (void **)msg->cb;
18948 struct cfg80211_registered_device *rdev = cb[2];
18950 nla_nest_end(msg, cb[1]);
18951 genlmsg_end(msg, cb[0]);
18953 memset(msg->cb, 0, sizeof(msg->cb));
18955 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18956 NL80211_MCGRP_MLME, gfp);
18959 void cfg80211_cqm_rssi_notify(struct net_device *dev,
18960 enum nl80211_cqm_rssi_threshold_event rssi_event,
18961 s32 rssi_level, gfp_t gfp)
18963 struct sk_buff *msg;
18964 struct wireless_dev *wdev = dev->ieee80211_ptr;
18965 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18967 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
18969 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
18970 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
18973 if (wdev->cqm_config) {
18974 wdev->cqm_config->last_rssi_event_value = rssi_level;
18976 cfg80211_cqm_rssi_update(rdev, dev);
18978 if (rssi_level == 0)
18979 rssi_level = wdev->cqm_config->last_rssi_event_value;
18982 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
18986 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
18988 goto nla_put_failure;
18990 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
18992 goto nla_put_failure;
18994 cfg80211_send_cqm(msg, gfp);
19001 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
19003 void cfg80211_cqm_txe_notify(struct net_device *dev,
19004 const u8 *peer, u32 num_packets,
19005 u32 rate, u32 intvl, gfp_t gfp)
19007 struct sk_buff *msg;
19009 msg = cfg80211_prepare_cqm(dev, peer, gfp);
19013 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
19014 goto nla_put_failure;
19016 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
19017 goto nla_put_failure;
19019 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
19020 goto nla_put_failure;
19022 cfg80211_send_cqm(msg, gfp);
19028 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
19030 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
19031 const u8 *peer, u32 num_packets, gfp_t gfp)
19033 struct sk_buff *msg;
19035 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
19037 msg = cfg80211_prepare_cqm(dev, peer, gfp);
19041 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
19042 goto nla_put_failure;
19044 cfg80211_send_cqm(msg, gfp);
19050 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
19052 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
19054 struct sk_buff *msg;
19056 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
19060 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
19061 goto nla_put_failure;
19063 cfg80211_send_cqm(msg, gfp);
19069 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
19071 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
19072 struct net_device *netdev, const u8 *bssid,
19073 const u8 *replay_ctr, gfp_t gfp)
19075 struct sk_buff *msg;
19076 struct nlattr *rekey_attr;
19079 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19083 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
19089 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19090 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19091 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
19092 goto nla_put_failure;
19094 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
19096 goto nla_put_failure;
19098 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
19099 NL80211_REPLAY_CTR_LEN, replay_ctr))
19100 goto nla_put_failure;
19102 nla_nest_end(msg, rekey_attr);
19104 genlmsg_end(msg, hdr);
19106 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19107 NL80211_MCGRP_MLME, gfp);
19114 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
19115 const u8 *replay_ctr, gfp_t gfp)
19117 struct wireless_dev *wdev = dev->ieee80211_ptr;
19118 struct wiphy *wiphy = wdev->wiphy;
19119 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19121 trace_cfg80211_gtk_rekey_notify(dev, bssid);
19122 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
19124 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
19127 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
19128 struct net_device *netdev, int index,
19129 const u8 *bssid, bool preauth, gfp_t gfp)
19131 struct sk_buff *msg;
19132 struct nlattr *attr;
19135 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19139 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
19145 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19146 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
19147 goto nla_put_failure;
19149 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
19151 goto nla_put_failure;
19153 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
19154 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
19156 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
19157 goto nla_put_failure;
19159 nla_nest_end(msg, attr);
19161 genlmsg_end(msg, hdr);
19163 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19164 NL80211_MCGRP_MLME, gfp);
19171 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
19172 const u8 *bssid, bool preauth, gfp_t gfp)
19174 struct wireless_dev *wdev = dev->ieee80211_ptr;
19175 struct wiphy *wiphy = wdev->wiphy;
19176 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19178 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
19179 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
19181 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
19183 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
19184 struct net_device *netdev,
19185 unsigned int link_id,
19186 struct cfg80211_chan_def *chandef,
19188 enum nl80211_commands notif,
19189 u8 count, bool quiet, u16 punct_bitmap)
19191 struct wireless_dev *wdev = netdev->ieee80211_ptr;
19192 struct sk_buff *msg;
19195 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19199 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
19205 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
19206 goto nla_put_failure;
19208 if (wdev->valid_links &&
19209 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
19210 goto nla_put_failure;
19212 if (nl80211_send_chandef(msg, chandef))
19213 goto nla_put_failure;
19215 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
19216 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
19217 goto nla_put_failure;
19219 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
19220 goto nla_put_failure;
19223 if (nla_put_u32(msg, NL80211_ATTR_PUNCT_BITMAP, punct_bitmap))
19224 goto nla_put_failure;
19226 genlmsg_end(msg, hdr);
19228 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19229 NL80211_MCGRP_MLME, gfp);
19236 void cfg80211_ch_switch_notify(struct net_device *dev,
19237 struct cfg80211_chan_def *chandef,
19238 unsigned int link_id, u16 punct_bitmap)
19240 struct wireless_dev *wdev = dev->ieee80211_ptr;
19241 struct wiphy *wiphy = wdev->wiphy;
19242 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19244 ASSERT_WDEV_LOCK(wdev);
19245 WARN_INVALID_LINK_ID(wdev, link_id);
19247 trace_cfg80211_ch_switch_notify(dev, chandef, link_id, punct_bitmap);
19249 switch (wdev->iftype) {
19250 case NL80211_IFTYPE_STATION:
19251 case NL80211_IFTYPE_P2P_CLIENT:
19252 if (!WARN_ON(!wdev->links[link_id].client.current_bss))
19253 cfg80211_update_assoc_bss_entry(wdev, link_id,
19256 case NL80211_IFTYPE_MESH_POINT:
19257 wdev->u.mesh.chandef = *chandef;
19258 wdev->u.mesh.preset_chandef = *chandef;
19260 case NL80211_IFTYPE_AP:
19261 case NL80211_IFTYPE_P2P_GO:
19262 wdev->links[link_id].ap.chandef = *chandef;
19264 case NL80211_IFTYPE_ADHOC:
19265 wdev->u.ibss.chandef = *chandef;
19272 cfg80211_sched_dfs_chan_update(rdev);
19274 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
19275 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false,
19278 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
19280 void cfg80211_ch_switch_started_notify(struct net_device *dev,
19281 struct cfg80211_chan_def *chandef,
19282 unsigned int link_id, u8 count,
19283 bool quiet, u16 punct_bitmap)
19285 struct wireless_dev *wdev = dev->ieee80211_ptr;
19286 struct wiphy *wiphy = wdev->wiphy;
19287 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19289 ASSERT_WDEV_LOCK(wdev);
19290 WARN_INVALID_LINK_ID(wdev, link_id);
19292 trace_cfg80211_ch_switch_started_notify(dev, chandef, link_id,
19296 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
19297 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
19298 count, quiet, punct_bitmap);
19300 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
19302 int cfg80211_bss_color_notify(struct net_device *dev,
19303 enum nl80211_commands cmd, u8 count,
19306 struct wireless_dev *wdev = dev->ieee80211_ptr;
19307 struct wiphy *wiphy = wdev->wiphy;
19308 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19309 struct sk_buff *msg;
19312 ASSERT_WDEV_LOCK(wdev);
19314 trace_cfg80211_bss_color_notify(dev, cmd, count, color_bitmap);
19316 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
19320 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
19322 goto nla_put_failure;
19324 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19325 goto nla_put_failure;
19327 if (cmd == NL80211_CMD_COLOR_CHANGE_STARTED &&
19328 nla_put_u32(msg, NL80211_ATTR_COLOR_CHANGE_COUNT, count))
19329 goto nla_put_failure;
19331 if (cmd == NL80211_CMD_OBSS_COLOR_COLLISION &&
19332 nla_put_u64_64bit(msg, NL80211_ATTR_OBSS_COLOR_BITMAP,
19333 color_bitmap, NL80211_ATTR_PAD))
19334 goto nla_put_failure;
19336 genlmsg_end(msg, hdr);
19338 return genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
19339 msg, 0, NL80211_MCGRP_MLME, GFP_KERNEL);
19345 EXPORT_SYMBOL(cfg80211_bss_color_notify);
19348 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
19349 const struct cfg80211_chan_def *chandef,
19350 enum nl80211_radar_event event,
19351 struct net_device *netdev, gfp_t gfp)
19353 struct sk_buff *msg;
19356 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19360 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
19366 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19367 goto nla_put_failure;
19369 /* NOP and radar events don't need a netdev parameter */
19371 struct wireless_dev *wdev = netdev->ieee80211_ptr;
19373 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19374 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19376 goto nla_put_failure;
19379 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
19380 goto nla_put_failure;
19382 if (nl80211_send_chandef(msg, chandef))
19383 goto nla_put_failure;
19385 genlmsg_end(msg, hdr);
19387 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19388 NL80211_MCGRP_MLME, gfp);
19395 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
19396 struct sta_opmode_info *sta_opmode,
19399 struct sk_buff *msg;
19400 struct wireless_dev *wdev = dev->ieee80211_ptr;
19401 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19407 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19411 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
19417 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19418 goto nla_put_failure;
19420 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19421 goto nla_put_failure;
19423 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
19424 goto nla_put_failure;
19426 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
19427 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
19428 goto nla_put_failure;
19430 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
19431 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
19432 goto nla_put_failure;
19434 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
19435 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
19436 goto nla_put_failure;
19438 genlmsg_end(msg, hdr);
19440 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19441 NL80211_MCGRP_MLME, gfp);
19448 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
19450 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
19451 u64 cookie, bool acked, s32 ack_signal,
19452 bool is_valid_ack_signal, gfp_t gfp)
19454 struct wireless_dev *wdev = dev->ieee80211_ptr;
19455 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19456 struct sk_buff *msg;
19459 trace_cfg80211_probe_status(dev, addr, cookie, acked);
19461 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19466 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
19472 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19473 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19474 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
19475 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
19476 NL80211_ATTR_PAD) ||
19477 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
19478 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
19480 goto nla_put_failure;
19482 genlmsg_end(msg, hdr);
19484 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19485 NL80211_MCGRP_MLME, gfp);
19491 EXPORT_SYMBOL(cfg80211_probe_status);
19493 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
19494 size_t len, int freq, int sig_dbm)
19496 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19497 struct sk_buff *msg;
19499 struct cfg80211_beacon_registration *reg;
19501 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
19503 spin_lock_bh(&rdev->beacon_registrations_lock);
19504 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
19505 msg = nlmsg_new(len + 100, GFP_ATOMIC);
19507 spin_unlock_bh(&rdev->beacon_registrations_lock);
19511 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
19513 goto nla_put_failure;
19515 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19517 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
19518 KHZ_TO_MHZ(freq)) ||
19519 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
19522 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19523 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
19524 goto nla_put_failure;
19526 genlmsg_end(msg, hdr);
19528 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
19530 spin_unlock_bh(&rdev->beacon_registrations_lock);
19534 spin_unlock_bh(&rdev->beacon_registrations_lock);
19537 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
19540 static int cfg80211_net_detect_results(struct sk_buff *msg,
19541 struct cfg80211_wowlan_wakeup *wakeup)
19543 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
19544 struct nlattr *nl_results, *nl_match, *nl_freqs;
19547 nl_results = nla_nest_start_noflag(msg,
19548 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
19552 for (i = 0; i < nd->n_matches; i++) {
19553 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
19555 nl_match = nla_nest_start_noflag(msg, i);
19559 /* The SSID attribute is optional in nl80211, but for
19560 * simplicity reasons it's always present in the
19561 * cfg80211 structure. If a driver can't pass the
19562 * SSID, that needs to be changed. A zero length SSID
19563 * is still a valid SSID (wildcard), so it cannot be
19564 * used for this purpose.
19566 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
19567 match->ssid.ssid)) {
19568 nla_nest_cancel(msg, nl_match);
19572 if (match->n_channels) {
19573 nl_freqs = nla_nest_start_noflag(msg,
19574 NL80211_ATTR_SCAN_FREQUENCIES);
19576 nla_nest_cancel(msg, nl_match);
19580 for (j = 0; j < match->n_channels; j++) {
19581 if (nla_put_u32(msg, j, match->channels[j])) {
19582 nla_nest_cancel(msg, nl_freqs);
19583 nla_nest_cancel(msg, nl_match);
19588 nla_nest_end(msg, nl_freqs);
19591 nla_nest_end(msg, nl_match);
19595 nla_nest_end(msg, nl_results);
19599 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
19600 struct cfg80211_wowlan_wakeup *wakeup,
19603 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19604 struct sk_buff *msg;
19608 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
19611 size += wakeup->packet_present_len;
19613 msg = nlmsg_new(size, gfp);
19617 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
19621 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19622 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19626 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
19627 wdev->netdev->ifindex))
19631 struct nlattr *reasons;
19633 reasons = nla_nest_start_noflag(msg,
19634 NL80211_ATTR_WOWLAN_TRIGGERS);
19638 if (wakeup->disconnect &&
19639 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
19641 if (wakeup->magic_pkt &&
19642 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
19644 if (wakeup->gtk_rekey_failure &&
19645 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
19647 if (wakeup->eap_identity_req &&
19648 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
19650 if (wakeup->four_way_handshake &&
19651 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
19653 if (wakeup->rfkill_release &&
19654 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
19657 if (wakeup->pattern_idx >= 0 &&
19658 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
19659 wakeup->pattern_idx))
19662 if (wakeup->tcp_match &&
19663 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
19666 if (wakeup->tcp_connlost &&
19667 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
19670 if (wakeup->tcp_nomoretokens &&
19672 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
19675 if (wakeup->packet) {
19676 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
19677 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
19679 if (!wakeup->packet_80211) {
19681 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
19683 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
19686 if (wakeup->packet_len &&
19687 nla_put_u32(msg, len_attr, wakeup->packet_len))
19690 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
19695 if (wakeup->net_detect &&
19696 cfg80211_net_detect_results(msg, wakeup))
19699 nla_nest_end(msg, reasons);
19702 genlmsg_end(msg, hdr);
19704 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19705 NL80211_MCGRP_MLME, gfp);
19711 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
19714 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
19715 enum nl80211_tdls_operation oper,
19716 u16 reason_code, gfp_t gfp)
19718 struct wireless_dev *wdev = dev->ieee80211_ptr;
19719 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19720 struct sk_buff *msg;
19723 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
19726 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19730 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
19736 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19737 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19738 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
19739 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
19740 (reason_code > 0 &&
19741 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
19742 goto nla_put_failure;
19744 genlmsg_end(msg, hdr);
19746 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19747 NL80211_MCGRP_MLME, gfp);
19753 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
19755 static int nl80211_netlink_notify(struct notifier_block * nb,
19756 unsigned long state,
19759 struct netlink_notify *notify = _notify;
19760 struct cfg80211_registered_device *rdev;
19761 struct wireless_dev *wdev;
19762 struct cfg80211_beacon_registration *reg, *tmp;
19764 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
19765 return NOTIFY_DONE;
19769 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
19770 struct cfg80211_sched_scan_request *sched_scan_req;
19772 list_for_each_entry_rcu(sched_scan_req,
19773 &rdev->sched_scan_req_list,
19775 if (sched_scan_req->owner_nlportid == notify->portid) {
19776 sched_scan_req->nl_owner_dead = true;
19777 schedule_work(&rdev->sched_scan_stop_wk);
19781 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
19782 cfg80211_mlme_unregister_socket(wdev, notify->portid);
19784 if (wdev->owner_nlportid == notify->portid) {
19785 wdev->nl_owner_dead = true;
19786 schedule_work(&rdev->destroy_work);
19787 } else if (wdev->conn_owner_nlportid == notify->portid) {
19788 schedule_work(&wdev->disconnect_wk);
19791 cfg80211_release_pmsr(wdev, notify->portid);
19794 spin_lock_bh(&rdev->beacon_registrations_lock);
19795 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
19797 if (reg->nlportid == notify->portid) {
19798 list_del(®->list);
19803 spin_unlock_bh(&rdev->beacon_registrations_lock);
19809 * It is possible that the user space process that is controlling the
19810 * indoor setting disappeared, so notify the regulatory core.
19812 regulatory_netlink_notify(notify->portid);
19816 static struct notifier_block nl80211_netlink_notifier = {
19817 .notifier_call = nl80211_netlink_notify,
19820 void cfg80211_ft_event(struct net_device *netdev,
19821 struct cfg80211_ft_event_params *ft_event)
19823 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
19824 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19825 struct sk_buff *msg;
19828 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
19830 if (!ft_event->target_ap)
19833 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
19838 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
19842 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19843 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19844 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
19847 if (ft_event->ies &&
19848 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
19850 if (ft_event->ric_ies &&
19851 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
19852 ft_event->ric_ies))
19855 genlmsg_end(msg, hdr);
19857 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19858 NL80211_MCGRP_MLME, GFP_KERNEL);
19863 EXPORT_SYMBOL(cfg80211_ft_event);
19865 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
19867 struct cfg80211_registered_device *rdev;
19868 struct sk_buff *msg;
19872 rdev = wiphy_to_rdev(wdev->wiphy);
19873 if (!rdev->crit_proto_nlportid)
19876 nlportid = rdev->crit_proto_nlportid;
19877 rdev->crit_proto_nlportid = 0;
19879 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19883 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
19885 goto nla_put_failure;
19887 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19888 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19890 goto nla_put_failure;
19892 genlmsg_end(msg, hdr);
19894 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
19900 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
19902 void nl80211_send_ap_stopped(struct wireless_dev *wdev, unsigned int link_id)
19904 struct wiphy *wiphy = wdev->wiphy;
19905 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19906 struct sk_buff *msg;
19909 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
19913 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
19917 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19918 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
19919 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19920 NL80211_ATTR_PAD) ||
19921 (wdev->valid_links &&
19922 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)))
19925 genlmsg_end(msg, hdr);
19927 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
19928 NL80211_MCGRP_MLME, GFP_KERNEL);
19934 int cfg80211_external_auth_request(struct net_device *dev,
19935 struct cfg80211_external_auth_params *params,
19938 struct wireless_dev *wdev = dev->ieee80211_ptr;
19939 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19940 struct sk_buff *msg;
19943 if (!wdev->conn_owner_nlportid)
19946 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19950 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
19952 goto nla_put_failure;
19954 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19955 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19956 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
19957 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
19959 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
19960 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
19961 params->ssid.ssid) ||
19962 (!is_zero_ether_addr(params->mld_addr) &&
19963 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN, params->mld_addr)))
19964 goto nla_put_failure;
19966 genlmsg_end(msg, hdr);
19967 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
19968 wdev->conn_owner_nlportid);
19975 EXPORT_SYMBOL(cfg80211_external_auth_request);
19977 void cfg80211_update_owe_info_event(struct net_device *netdev,
19978 struct cfg80211_update_owe_info *owe_info,
19981 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
19982 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19983 struct sk_buff *msg;
19986 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
19988 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19992 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
19994 goto nla_put_failure;
19996 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19997 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19998 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
19999 goto nla_put_failure;
20001 if (!owe_info->ie_len ||
20002 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
20003 goto nla_put_failure;
20005 if (owe_info->assoc_link_id != -1) {
20006 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
20007 owe_info->assoc_link_id))
20008 goto nla_put_failure;
20010 if (!is_zero_ether_addr(owe_info->peer_mld_addr) &&
20011 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
20012 owe_info->peer_mld_addr))
20013 goto nla_put_failure;
20016 genlmsg_end(msg, hdr);
20018 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
20019 NL80211_MCGRP_MLME, gfp);
20023 genlmsg_cancel(msg, hdr);
20026 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
20028 /* initialisation/exit functions */
20030 int __init nl80211_init(void)
20034 err = genl_register_family(&nl80211_fam);
20038 err = netlink_register_notifier(&nl80211_netlink_notifier);
20044 genl_unregister_family(&nl80211_fam);
20048 void nl80211_exit(void)
20050 netlink_unregister_notifier(&nl80211_netlink_notifier);
20051 genl_unregister_family(&nl80211_fam);