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 const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
466 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
467 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
468 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
470 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
472 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
473 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
474 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
475 NL80211_EDMG_CHANNELS_MIN,
476 NL80211_EDMG_CHANNELS_MAX),
477 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
478 NL80211_EDMG_BW_CONFIG_MIN,
479 NL80211_EDMG_BW_CONFIG_MAX),
481 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
482 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
483 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
484 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
486 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
487 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
488 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
489 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
490 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
491 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
493 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
494 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
495 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
497 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
498 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
500 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
501 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
502 .len = WLAN_MAX_KEY_LEN },
503 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
504 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
505 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
506 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
507 [NL80211_ATTR_KEY_TYPE] =
508 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
510 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
511 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
512 [NL80211_ATTR_BEACON_HEAD] =
513 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
514 IEEE80211_MAX_DATA_LEN),
515 [NL80211_ATTR_BEACON_TAIL] =
516 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
517 IEEE80211_MAX_DATA_LEN),
518 [NL80211_ATTR_STA_AID] =
519 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
520 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
521 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
522 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
523 .len = NL80211_MAX_SUPP_RATES },
524 [NL80211_ATTR_STA_PLINK_ACTION] =
525 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
526 [NL80211_ATTR_STA_TX_POWER_SETTING] =
527 NLA_POLICY_RANGE(NLA_U8,
528 NL80211_TX_POWER_AUTOMATIC,
529 NL80211_TX_POWER_FIXED),
530 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
531 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
532 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
533 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
534 .len = IEEE80211_MAX_MESH_ID_LEN },
535 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
537 /* allow 3 for NUL-termination, we used to declare this NLA_STRING */
538 [NL80211_ATTR_REG_ALPHA2] = NLA_POLICY_RANGE(NLA_BINARY, 2, 3),
539 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
541 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
542 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
543 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
544 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
545 .len = NL80211_MAX_SUPP_RATES },
546 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
548 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
549 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
551 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
553 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
554 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
556 IEEE80211_MAX_DATA_LEN),
557 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
558 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
560 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
561 .len = IEEE80211_MAX_SSID_LEN },
562 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
563 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
564 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
565 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
566 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
568 NL80211_MFP_OPTIONAL),
569 [NL80211_ATTR_STA_FLAGS2] =
570 NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_sta_flag_update)),
571 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
572 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
573 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
574 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
575 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
576 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
577 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
578 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
579 [NL80211_ATTR_PID] = { .type = NLA_U32 },
580 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
581 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
582 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
583 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
584 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
585 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
586 .len = IEEE80211_MAX_DATA_LEN },
587 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
588 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
591 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
592 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
593 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
594 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
595 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
596 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
597 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
598 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
599 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
600 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
601 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
602 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
603 [NL80211_ATTR_STA_PLINK_STATE] =
604 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
605 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
606 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
607 [NL80211_ATTR_MESH_PEER_AID] =
608 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
609 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
610 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
611 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
612 [NL80211_ATTR_HIDDEN_SSID] =
613 NLA_POLICY_RANGE(NLA_U32,
614 NL80211_HIDDEN_SSID_NOT_IN_USE,
615 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
616 [NL80211_ATTR_IE_PROBE_RESP] =
617 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
618 IEEE80211_MAX_DATA_LEN),
619 [NL80211_ATTR_IE_ASSOC_RESP] =
620 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
621 IEEE80211_MAX_DATA_LEN),
622 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
623 [NL80211_ATTR_STA_WME] = NLA_POLICY_NESTED(nl80211_sta_wme_policy),
624 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
625 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
626 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
627 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
628 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
629 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
630 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
631 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
632 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
633 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
634 .len = IEEE80211_MAX_DATA_LEN },
635 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
636 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
637 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
638 .len = NL80211_HT_CAPABILITY_LEN
640 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
641 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
642 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
643 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
644 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
646 /* need to include at least Auth Transaction and Status Code */
647 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
649 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
650 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
651 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
652 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
653 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
654 NLA_POLICY_RANGE(NLA_U32,
655 NL80211_MESH_POWER_UNKNOWN + 1,
656 NL80211_MESH_POWER_MAX),
657 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
658 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
659 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
660 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
661 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
662 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
663 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
664 .len = NL80211_VHT_CAPABILITY_LEN,
666 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
667 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
668 .len = IEEE80211_MAX_DATA_LEN },
669 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
670 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
671 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
672 [NL80211_ATTR_PEER_AID] =
673 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
674 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
675 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
676 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
677 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
678 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
679 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
681 * The value of the Length field of the Supported Operating
682 * Classes element is between 2 and 253.
684 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
685 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
686 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
687 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
688 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
689 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
690 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
691 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
692 IEEE80211_QOS_MAP_LEN_MIN,
693 IEEE80211_QOS_MAP_LEN_MAX),
694 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
695 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
696 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
697 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
698 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
699 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
700 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
701 [NL80211_ATTR_USER_PRIO] =
702 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
703 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
704 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
705 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
706 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
707 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
708 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
709 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
710 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
711 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
712 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
713 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
714 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
715 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
716 .len = VHT_MUMIMO_GROUPS_DATA_LEN
718 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
719 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
720 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
721 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
722 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
723 .len = FILS_MAX_KEK_LEN },
724 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
725 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
726 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
727 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
728 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
729 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
731 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
732 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
733 .len = FILS_ERP_MAX_USERNAME_LEN },
734 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
735 .len = FILS_ERP_MAX_REALM_LEN },
736 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
737 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
738 .len = FILS_ERP_MAX_RRK_LEN },
739 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
740 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
741 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
742 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
743 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
745 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
746 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
747 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
748 [NL80211_ATTR_HE_CAPABILITY] =
749 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_he_capa,
750 NL80211_HE_MAX_CAPABILITY_LEN),
751 [NL80211_ATTR_FTM_RESPONDER] =
752 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
753 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
754 [NL80211_ATTR_PEER_MEASUREMENTS] =
755 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
756 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
757 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
758 .len = SAE_PASSWORD_MAX_LEN },
759 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
760 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
761 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
762 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
763 [NL80211_ATTR_TID_CONFIG] =
764 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
765 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
766 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
767 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
768 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
769 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
770 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
771 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
772 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
773 [NL80211_ATTR_FILS_DISCOVERY] =
774 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
775 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
776 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
777 [NL80211_ATTR_S1G_CAPABILITY] =
778 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
779 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
780 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
781 [NL80211_ATTR_SAE_PWE] =
782 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
783 NL80211_SAE_PWE_BOTH),
784 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
785 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
786 [NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG },
787 [NL80211_ATTR_OBSS_COLOR_BITMAP] = { .type = NLA_U64 },
788 [NL80211_ATTR_COLOR_CHANGE_COUNT] = { .type = NLA_U8 },
789 [NL80211_ATTR_COLOR_CHANGE_COLOR] = { .type = NLA_U8 },
790 [NL80211_ATTR_COLOR_CHANGE_ELEMS] = NLA_POLICY_NESTED(nl80211_policy),
791 [NL80211_ATTR_MBSSID_CONFIG] =
792 NLA_POLICY_NESTED(nl80211_mbssid_config_policy),
793 [NL80211_ATTR_MBSSID_ELEMS] = { .type = NLA_NESTED },
794 [NL80211_ATTR_RADAR_BACKGROUND] = { .type = NLA_FLAG },
795 [NL80211_ATTR_AP_SETTINGS_FLAGS] = { .type = NLA_U32 },
796 [NL80211_ATTR_EHT_CAPABILITY] =
797 NLA_POLICY_RANGE(NLA_BINARY,
798 NL80211_EHT_MIN_CAPABILITY_LEN,
799 NL80211_EHT_MAX_CAPABILITY_LEN),
800 [NL80211_ATTR_DISABLE_EHT] = { .type = NLA_FLAG },
801 [NL80211_ATTR_MLO_LINKS] =
802 NLA_POLICY_NESTED_ARRAY(nl80211_policy),
803 [NL80211_ATTR_MLO_LINK_ID] =
804 NLA_POLICY_RANGE(NLA_U8, 0, IEEE80211_MLD_MAX_NUM_LINKS),
805 [NL80211_ATTR_MLD_ADDR] = NLA_POLICY_EXACT_LEN(ETH_ALEN),
806 [NL80211_ATTR_MLO_SUPPORT] = { .type = NLA_FLAG },
807 [NL80211_ATTR_MAX_NUM_AKM_SUITES] = { .type = NLA_REJECT },
808 [NL80211_ATTR_PUNCT_BITMAP] = NLA_POLICY_RANGE(NLA_U8, 0, 0xffff),
811 /* policy for the key attributes */
812 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
813 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
814 [NL80211_KEY_IDX] = { .type = NLA_U8 },
815 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
816 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
817 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
818 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
819 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
820 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
821 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
824 /* policy for the key default flags */
825 static const struct nla_policy
826 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
827 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
828 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
832 /* policy for WoWLAN attributes */
833 static const struct nla_policy
834 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
835 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
836 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
837 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
838 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
839 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
840 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
841 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
842 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
843 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
844 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
847 static const struct nla_policy
848 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
849 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
850 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
851 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
852 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
853 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
854 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
855 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
856 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
858 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
859 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
861 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
862 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
863 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
865 #endif /* CONFIG_PM */
867 /* policy for coalesce rule attributes */
868 static const struct nla_policy
869 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
870 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
871 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
872 NLA_POLICY_RANGE(NLA_U32,
873 NL80211_COALESCE_CONDITION_MATCH,
874 NL80211_COALESCE_CONDITION_NO_MATCH),
875 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
878 /* policy for GTK rekey offload attributes */
879 static const struct nla_policy
880 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
881 [NL80211_REKEY_DATA_KEK] = {
883 .len = NL80211_KEK_EXT_LEN
885 [NL80211_REKEY_DATA_KCK] = {
887 .len = NL80211_KCK_EXT_LEN_32
889 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
890 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
893 static const struct nla_policy
894 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
895 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
896 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
897 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
898 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
899 [NL80211_BAND_LC] = { .type = NLA_S32 },
902 static const struct nla_policy
903 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
904 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
905 .len = IEEE80211_MAX_SSID_LEN },
906 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
907 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
908 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
909 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
912 static const struct nla_policy
913 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
914 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
915 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
918 static const struct nla_policy
919 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
920 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
921 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
922 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
923 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
927 /* policy for NAN function attributes */
928 static const struct nla_policy
929 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
930 [NL80211_NAN_FUNC_TYPE] =
931 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
932 [NL80211_NAN_FUNC_SERVICE_ID] = {
933 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
934 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
935 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
936 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
937 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
938 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
939 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
940 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
941 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
942 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
943 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
944 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
945 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
946 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
947 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
948 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
951 /* policy for Service Response Filter attributes */
952 static const struct nla_policy
953 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
954 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
955 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
956 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
957 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
958 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
961 /* policy for packet pattern attributes */
962 static const struct nla_policy
963 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
964 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
965 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
966 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
969 static int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
970 struct cfg80211_registered_device **rdev,
971 struct wireless_dev **wdev,
972 struct nlattr **attrbuf)
977 struct nlattr **attrbuf_free = NULL;
980 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
984 attrbuf_free = attrbuf;
987 err = nlmsg_parse_deprecated(cb->nlh,
988 GENL_HDRLEN + nl80211_fam.hdrsize,
989 attrbuf, nl80211_fam.maxattr,
990 nl80211_policy, NULL);
997 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
1000 if (IS_ERR(*wdev)) {
1002 return PTR_ERR(*wdev);
1004 *rdev = wiphy_to_rdev((*wdev)->wiphy);
1005 mutex_lock(&(*rdev)->wiphy.mtx);
1007 /* 0 is the first index - add 1 to parse only once */
1008 cb->args[0] = (*rdev)->wiphy_idx + 1;
1009 cb->args[1] = (*wdev)->identifier;
1011 /* subtract the 1 again here */
1012 struct wiphy *wiphy;
1013 struct wireless_dev *tmp;
1016 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
1021 *rdev = wiphy_to_rdev(wiphy);
1024 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
1025 if (tmp->identifier == cb->args[1]) {
1035 mutex_lock(&(*rdev)->wiphy.mtx);
1042 /* message building helper */
1043 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
1046 /* since there is no private header just add the generic one */
1047 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
1050 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
1051 const struct ieee80211_reg_rule *rule)
1054 struct nlattr *nl_wmm_rules =
1055 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
1058 goto nla_put_failure;
1060 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
1061 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
1064 goto nla_put_failure;
1066 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
1067 rule->wmm_rule.client[j].cw_min) ||
1068 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
1069 rule->wmm_rule.client[j].cw_max) ||
1070 nla_put_u8(msg, NL80211_WMMR_AIFSN,
1071 rule->wmm_rule.client[j].aifsn) ||
1072 nla_put_u16(msg, NL80211_WMMR_TXOP,
1073 rule->wmm_rule.client[j].cot))
1074 goto nla_put_failure;
1076 nla_nest_end(msg, nl_wmm_rule);
1078 nla_nest_end(msg, nl_wmm_rules);
1086 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
1087 struct ieee80211_channel *chan,
1090 /* Some channels must be completely excluded from the
1091 * list to protect old user-space tools from breaking
1093 if (!large && chan->flags &
1094 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1096 if (!large && chan->freq_offset)
1099 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1101 goto nla_put_failure;
1103 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1104 goto nla_put_failure;
1106 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1107 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1108 goto nla_put_failure;
1109 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1110 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1111 goto nla_put_failure;
1112 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1113 goto nla_put_failure;
1115 if (chan->flags & IEEE80211_CHAN_RADAR) {
1116 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1117 goto nla_put_failure;
1121 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1123 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1125 goto nla_put_failure;
1126 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1128 goto nla_put_failure;
1129 if (nla_put_u32(msg,
1130 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1132 goto nla_put_failure;
1137 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1138 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1139 goto nla_put_failure;
1140 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1141 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1142 goto nla_put_failure;
1143 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1144 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1145 goto nla_put_failure;
1146 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1147 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1148 goto nla_put_failure;
1149 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1150 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1151 goto nla_put_failure;
1152 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1153 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
1154 goto nla_put_failure;
1155 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1156 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1157 goto nla_put_failure;
1158 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1159 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1160 goto nla_put_failure;
1161 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1162 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1163 goto nla_put_failure;
1164 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1165 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1166 goto nla_put_failure;
1167 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1168 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1169 goto nla_put_failure;
1170 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1171 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1172 goto nla_put_failure;
1173 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1174 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1175 goto nla_put_failure;
1176 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1177 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1178 goto nla_put_failure;
1179 if ((chan->flags & IEEE80211_CHAN_NO_320MHZ) &&
1180 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_320MHZ))
1181 goto nla_put_failure;
1182 if ((chan->flags & IEEE80211_CHAN_NO_EHT) &&
1183 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_EHT))
1184 goto nla_put_failure;
1187 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1188 DBM_TO_MBM(chan->max_power)))
1189 goto nla_put_failure;
1192 const struct ieee80211_reg_rule *rule =
1193 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
1195 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
1196 if (nl80211_msg_put_wmm_rules(msg, rule))
1197 goto nla_put_failure;
1207 static bool nl80211_put_txq_stats(struct sk_buff *msg,
1208 struct cfg80211_txq_stats *txqstats,
1211 struct nlattr *txqattr;
1213 #define PUT_TXQVAL_U32(attr, memb) do { \
1214 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1215 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1219 txqattr = nla_nest_start_noflag(msg, attrtype);
1223 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1224 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1225 PUT_TXQVAL_U32(FLOWS, flows);
1226 PUT_TXQVAL_U32(DROPS, drops);
1227 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1228 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1229 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1230 PUT_TXQVAL_U32(COLLISIONS, collisions);
1231 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1232 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1233 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1234 nla_nest_end(msg, txqattr);
1236 #undef PUT_TXQVAL_U32
1240 /* netlink command implementations */
1243 * nl80211_link_id - return link ID
1244 * @attrs: attributes to look at
1246 * Returns: the link ID or 0 if not given
1248 * Note this function doesn't do any validation of the link
1249 * ID validity wrt. links that were actually added, so it must
1250 * be called only from ops with %NL80211_FLAG_MLO_VALID_LINK_ID
1251 * or if additional validation is done.
1253 static unsigned int nl80211_link_id(struct nlattr **attrs)
1255 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1260 return nla_get_u8(linkid);
1263 static int nl80211_link_id_or_invalid(struct nlattr **attrs)
1265 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1270 return nla_get_u8(linkid);
1274 struct key_params p;
1277 bool def, defmgmt, defbeacon;
1278 bool def_uni, def_multi;
1281 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1282 struct key_parse *k)
1284 struct nlattr *tb[NL80211_KEY_MAX + 1];
1285 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1291 k->def = !!tb[NL80211_KEY_DEFAULT];
1292 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1293 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
1297 k->def_multi = true;
1299 if (k->defmgmt || k->defbeacon)
1300 k->def_multi = true;
1302 if (tb[NL80211_KEY_IDX])
1303 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1305 if (tb[NL80211_KEY_DATA]) {
1306 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1307 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1310 if (tb[NL80211_KEY_SEQ]) {
1311 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1312 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1315 if (tb[NL80211_KEY_CIPHER])
1316 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1318 if (tb[NL80211_KEY_TYPE])
1319 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1321 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1322 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1324 err = nla_parse_nested_deprecated(kdt,
1325 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1326 tb[NL80211_KEY_DEFAULT_TYPES],
1327 nl80211_key_default_policy,
1332 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1333 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1336 if (tb[NL80211_KEY_MODE])
1337 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1342 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1344 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1345 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1346 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1349 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1350 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1351 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1354 if (info->attrs[NL80211_ATTR_KEY_IDX])
1355 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1357 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1358 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1360 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1361 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1365 k->def_multi = true;
1368 k->def_multi = true;
1370 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1371 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1373 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1374 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1375 int err = nla_parse_nested_deprecated(kdt,
1376 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1377 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1378 nl80211_key_default_policy,
1383 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1384 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1390 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1394 memset(k, 0, sizeof(*k));
1398 if (info->attrs[NL80211_ATTR_KEY])
1399 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1401 err = nl80211_parse_key_old(info, k);
1406 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1407 (k->defbeacon ? 1 : 0) > 1) {
1408 GENL_SET_ERR_MSG(info,
1409 "key with multiple default flags is invalid");
1413 if (k->defmgmt || k->defbeacon) {
1414 if (k->def_uni || !k->def_multi) {
1415 GENL_SET_ERR_MSG(info,
1416 "defmgmt/defbeacon key must be mcast");
1423 if (k->idx < 4 || k->idx > 5) {
1424 GENL_SET_ERR_MSG(info,
1425 "defmgmt key idx not 4 or 5");
1428 } else if (k->defbeacon) {
1429 if (k->idx < 6 || k->idx > 7) {
1430 GENL_SET_ERR_MSG(info,
1431 "defbeacon key idx not 6 or 7");
1434 } else if (k->def) {
1435 if (k->idx < 0 || k->idx > 3) {
1436 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1440 if (k->idx < 0 || k->idx > 7) {
1441 GENL_SET_ERR_MSG(info, "key idx not 0-7");
1450 static struct cfg80211_cached_keys *
1451 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1452 struct genl_info *info, bool *no_ht)
1454 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1455 struct key_parse parse;
1457 struct cfg80211_cached_keys *result;
1458 int rem, err, def = 0;
1459 bool have_key = false;
1461 nla_for_each_nested(key, keys, rem) {
1469 result = kzalloc(sizeof(*result), GFP_KERNEL);
1471 return ERR_PTR(-ENOMEM);
1475 nla_for_each_nested(key, keys, rem) {
1476 memset(&parse, 0, sizeof(parse));
1479 err = nl80211_parse_key_new(info, key, &parse);
1485 if (parse.idx < 0 || parse.idx > 3) {
1486 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1491 GENL_SET_ERR_MSG(info,
1492 "only one key can be default");
1496 result->def = parse.idx;
1497 if (!parse.def_uni || !parse.def_multi)
1499 } else if (parse.defmgmt)
1501 err = cfg80211_validate_key_settings(rdev, &parse.p,
1502 parse.idx, false, NULL);
1505 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1506 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1507 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1511 result->params[parse.idx].cipher = parse.p.cipher;
1512 result->params[parse.idx].key_len = parse.p.key_len;
1513 result->params[parse.idx].key = result->data[parse.idx];
1514 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1516 /* must be WEP key if we got here */
1521 if (result->def < 0) {
1523 GENL_SET_ERR_MSG(info, "need a default/TX key");
1530 return ERR_PTR(err);
1533 static int nl80211_key_allowed(struct wireless_dev *wdev)
1535 ASSERT_WDEV_LOCK(wdev);
1537 switch (wdev->iftype) {
1538 case NL80211_IFTYPE_AP:
1539 case NL80211_IFTYPE_AP_VLAN:
1540 case NL80211_IFTYPE_P2P_GO:
1541 case NL80211_IFTYPE_MESH_POINT:
1543 case NL80211_IFTYPE_ADHOC:
1544 if (wdev->u.ibss.current_bss)
1547 case NL80211_IFTYPE_STATION:
1548 case NL80211_IFTYPE_P2P_CLIENT:
1549 if (wdev->connected)
1552 case NL80211_IFTYPE_NAN:
1553 if (wiphy_ext_feature_isset(wdev->wiphy,
1554 NL80211_EXT_FEATURE_SECURE_NAN))
1557 case NL80211_IFTYPE_UNSPECIFIED:
1558 case NL80211_IFTYPE_OCB:
1559 case NL80211_IFTYPE_MONITOR:
1560 case NL80211_IFTYPE_P2P_DEVICE:
1561 case NL80211_IFTYPE_WDS:
1562 case NUM_NL80211_IFTYPES:
1569 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1572 struct ieee80211_channel *chan;
1574 chan = ieee80211_get_channel_khz(wiphy, freq);
1575 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1580 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1582 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1586 goto nla_put_failure;
1590 if ((ifmodes & 1) && nla_put_flag(msg, i))
1591 goto nla_put_failure;
1596 nla_nest_end(msg, nl_modes);
1603 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1604 struct sk_buff *msg,
1607 struct nlattr *nl_combis;
1610 nl_combis = nla_nest_start_noflag(msg,
1611 NL80211_ATTR_INTERFACE_COMBINATIONS);
1613 goto nla_put_failure;
1615 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1616 const struct ieee80211_iface_combination *c;
1617 struct nlattr *nl_combi, *nl_limits;
1619 c = &wiphy->iface_combinations[i];
1621 nl_combi = nla_nest_start_noflag(msg, i + 1);
1623 goto nla_put_failure;
1625 nl_limits = nla_nest_start_noflag(msg,
1626 NL80211_IFACE_COMB_LIMITS);
1628 goto nla_put_failure;
1630 for (j = 0; j < c->n_limits; j++) {
1631 struct nlattr *nl_limit;
1633 nl_limit = nla_nest_start_noflag(msg, j + 1);
1635 goto nla_put_failure;
1636 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1638 goto nla_put_failure;
1639 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1640 c->limits[j].types))
1641 goto nla_put_failure;
1642 nla_nest_end(msg, nl_limit);
1645 nla_nest_end(msg, nl_limits);
1647 if (c->beacon_int_infra_match &&
1648 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1649 goto nla_put_failure;
1650 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1651 c->num_different_channels) ||
1652 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1654 goto nla_put_failure;
1656 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1657 c->radar_detect_widths) ||
1658 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1659 c->radar_detect_regions)))
1660 goto nla_put_failure;
1661 if (c->beacon_int_min_gcd &&
1662 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1663 c->beacon_int_min_gcd))
1664 goto nla_put_failure;
1666 nla_nest_end(msg, nl_combi);
1669 nla_nest_end(msg, nl_combis);
1677 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1678 struct sk_buff *msg)
1680 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1681 struct nlattr *nl_tcp;
1686 nl_tcp = nla_nest_start_noflag(msg,
1687 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1691 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1692 tcp->data_payload_max))
1695 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1696 tcp->data_payload_max))
1699 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1702 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1703 sizeof(*tcp->tok), tcp->tok))
1706 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1707 tcp->data_interval_max))
1710 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1711 tcp->wake_payload_max))
1714 nla_nest_end(msg, nl_tcp);
1718 static int nl80211_send_wowlan(struct sk_buff *msg,
1719 struct cfg80211_registered_device *rdev,
1722 struct nlattr *nl_wowlan;
1724 if (!rdev->wiphy.wowlan)
1727 nl_wowlan = nla_nest_start_noflag(msg,
1728 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1732 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1733 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1734 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1735 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1736 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1737 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1738 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1739 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1740 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1741 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1742 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1743 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1744 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1745 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1746 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1747 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1750 if (rdev->wiphy.wowlan->n_patterns) {
1751 struct nl80211_pattern_support pat = {
1752 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1753 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1754 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1755 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1758 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1763 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1764 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1765 rdev->wiphy.wowlan->max_nd_match_sets))
1768 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1771 nla_nest_end(msg, nl_wowlan);
1777 static int nl80211_send_coalesce(struct sk_buff *msg,
1778 struct cfg80211_registered_device *rdev)
1780 struct nl80211_coalesce_rule_support rule;
1782 if (!rdev->wiphy.coalesce)
1785 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1786 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1787 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1788 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1789 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1790 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1792 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1799 nl80211_send_iftype_data(struct sk_buff *msg,
1800 const struct ieee80211_supported_band *sband,
1801 const struct ieee80211_sband_iftype_data *iftdata)
1803 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1804 const struct ieee80211_sta_eht_cap *eht_cap = &iftdata->eht_cap;
1806 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1807 iftdata->types_mask))
1810 if (he_cap->has_he) {
1811 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1812 sizeof(he_cap->he_cap_elem.mac_cap_info),
1813 he_cap->he_cap_elem.mac_cap_info) ||
1814 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1815 sizeof(he_cap->he_cap_elem.phy_cap_info),
1816 he_cap->he_cap_elem.phy_cap_info) ||
1817 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1818 sizeof(he_cap->he_mcs_nss_supp),
1819 &he_cap->he_mcs_nss_supp) ||
1820 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1821 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1825 if (eht_cap->has_eht && he_cap->has_he) {
1826 u8 mcs_nss_size, ppe_thresh_size;
1830 is_ap = iftdata->types_mask & BIT(NL80211_IFTYPE_AP) ||
1831 iftdata->types_mask & BIT(NL80211_IFTYPE_P2P_GO);
1834 ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
1835 &eht_cap->eht_cap_elem,
1838 ppe_thres_hdr = get_unaligned_le16(&eht_cap->eht_ppe_thres[0]);
1840 ieee80211_eht_ppe_size(ppe_thres_hdr,
1841 eht_cap->eht_cap_elem.phy_cap_info);
1843 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC,
1844 sizeof(eht_cap->eht_cap_elem.mac_cap_info),
1845 eht_cap->eht_cap_elem.mac_cap_info) ||
1846 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY,
1847 sizeof(eht_cap->eht_cap_elem.phy_cap_info),
1848 eht_cap->eht_cap_elem.phy_cap_info) ||
1849 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET,
1850 mcs_nss_size, &eht_cap->eht_mcs_nss_supp) ||
1851 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE,
1852 ppe_thresh_size, eht_cap->eht_ppe_thres))
1856 if (sband->band == NL80211_BAND_6GHZ &&
1857 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1858 sizeof(iftdata->he_6ghz_capa),
1859 &iftdata->he_6ghz_capa))
1862 if (iftdata->vendor_elems.data && iftdata->vendor_elems.len &&
1863 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_VENDOR_ELEMS,
1864 iftdata->vendor_elems.len, iftdata->vendor_elems.data))
1870 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1871 struct ieee80211_supported_band *sband,
1874 struct nlattr *nl_rates, *nl_rate;
1875 struct ieee80211_rate *rate;
1879 if (sband->ht_cap.ht_supported &&
1880 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1881 sizeof(sband->ht_cap.mcs),
1882 &sband->ht_cap.mcs) ||
1883 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1884 sband->ht_cap.cap) ||
1885 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1886 sband->ht_cap.ampdu_factor) ||
1887 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1888 sband->ht_cap.ampdu_density)))
1892 if (sband->vht_cap.vht_supported &&
1893 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1894 sizeof(sband->vht_cap.vht_mcs),
1895 &sband->vht_cap.vht_mcs) ||
1896 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1897 sband->vht_cap.cap)))
1900 if (large && sband->n_iftype_data) {
1901 struct nlattr *nl_iftype_data =
1902 nla_nest_start_noflag(msg,
1903 NL80211_BAND_ATTR_IFTYPE_DATA);
1906 if (!nl_iftype_data)
1909 for (i = 0; i < sband->n_iftype_data; i++) {
1910 struct nlattr *iftdata;
1912 iftdata = nla_nest_start_noflag(msg, i + 1);
1916 err = nl80211_send_iftype_data(msg, sband,
1917 &sband->iftype_data[i]);
1921 nla_nest_end(msg, iftdata);
1924 nla_nest_end(msg, nl_iftype_data);
1928 if (large && sband->edmg_cap.channels &&
1929 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1930 sband->edmg_cap.channels) ||
1931 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1932 sband->edmg_cap.bw_config)))
1937 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1941 for (i = 0; i < sband->n_bitrates; i++) {
1942 nl_rate = nla_nest_start_noflag(msg, i);
1946 rate = &sband->bitrates[i];
1947 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1950 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1952 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1955 nla_nest_end(msg, nl_rate);
1958 nla_nest_end(msg, nl_rates);
1964 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1965 const struct ieee80211_txrx_stypes *mgmt_stypes)
1968 struct nlattr *nl_ftypes, *nl_ifs;
1969 enum nl80211_iftype ift;
1975 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1979 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1980 nl_ftypes = nla_nest_start_noflag(msg, ift);
1984 stypes = mgmt_stypes[ift].tx;
1987 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1988 (i << 4) | IEEE80211_FTYPE_MGMT))
1993 nla_nest_end(msg, nl_ftypes);
1996 nla_nest_end(msg, nl_ifs);
1998 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
2002 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
2003 nl_ftypes = nla_nest_start_noflag(msg, ift);
2007 stypes = mgmt_stypes[ift].rx;
2010 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
2011 (i << 4) | IEEE80211_FTYPE_MGMT))
2016 nla_nest_end(msg, nl_ftypes);
2018 nla_nest_end(msg, nl_ifs);
2023 #define CMD(op, n) \
2025 if (rdev->ops->op) { \
2027 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
2028 goto nla_put_failure; \
2032 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
2033 struct sk_buff *msg)
2038 * do *NOT* add anything into this function, new things need to be
2039 * advertised only to new versions of userspace that can deal with
2040 * the split (and they can't possibly care about new features...
2042 CMD(add_virtual_intf, NEW_INTERFACE);
2043 CMD(change_virtual_intf, SET_INTERFACE);
2044 CMD(add_key, NEW_KEY);
2045 CMD(start_ap, START_AP);
2046 CMD(add_station, NEW_STATION);
2047 CMD(add_mpath, NEW_MPATH);
2048 CMD(update_mesh_config, SET_MESH_CONFIG);
2049 CMD(change_bss, SET_BSS);
2050 CMD(auth, AUTHENTICATE);
2051 CMD(assoc, ASSOCIATE);
2052 CMD(deauth, DEAUTHENTICATE);
2053 CMD(disassoc, DISASSOCIATE);
2054 CMD(join_ibss, JOIN_IBSS);
2055 CMD(join_mesh, JOIN_MESH);
2056 CMD(set_pmksa, SET_PMKSA);
2057 CMD(del_pmksa, DEL_PMKSA);
2058 CMD(flush_pmksa, FLUSH_PMKSA);
2059 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
2060 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
2061 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
2062 CMD(mgmt_tx, FRAME);
2063 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
2064 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
2066 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
2067 goto nla_put_failure;
2069 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
2070 rdev->ops->join_mesh) {
2072 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
2073 goto nla_put_failure;
2075 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
2076 CMD(tdls_mgmt, TDLS_MGMT);
2077 CMD(tdls_oper, TDLS_OPER);
2079 if (rdev->wiphy.max_sched_scan_reqs)
2080 CMD(sched_scan_start, START_SCHED_SCAN);
2081 CMD(probe_client, PROBE_CLIENT);
2082 CMD(set_noack_map, SET_NOACK_MAP);
2083 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
2085 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
2086 goto nla_put_failure;
2088 CMD(start_p2p_device, START_P2P_DEVICE);
2089 CMD(set_mcast_rate, SET_MCAST_RATE);
2090 #ifdef CONFIG_NL80211_TESTMODE
2091 CMD(testmode_cmd, TESTMODE);
2094 if (rdev->ops->connect || rdev->ops->auth) {
2096 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
2097 goto nla_put_failure;
2100 if (rdev->ops->disconnect || rdev->ops->deauth) {
2102 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
2103 goto nla_put_failure;
2112 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
2113 struct sk_buff *msg)
2117 if (!cap->ftm.supported)
2120 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
2124 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
2126 if (cap->ftm.non_asap &&
2127 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
2129 if (cap->ftm.request_lci &&
2130 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
2132 if (cap->ftm.request_civicloc &&
2133 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
2135 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
2136 cap->ftm.preambles))
2138 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2139 cap->ftm.bandwidths))
2141 if (cap->ftm.max_bursts_exponent >= 0 &&
2142 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2143 cap->ftm.max_bursts_exponent))
2145 if (cap->ftm.max_ftms_per_burst &&
2146 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2147 cap->ftm.max_ftms_per_burst))
2149 if (cap->ftm.trigger_based &&
2150 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2152 if (cap->ftm.non_trigger_based &&
2153 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2156 nla_nest_end(msg, ftm);
2160 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2161 struct sk_buff *msg)
2163 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2164 struct nlattr *pmsr, *caps;
2170 * we don't need to clean up anything here since the caller
2171 * will genlmsg_cancel() if we fail
2174 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
2178 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2181 if (cap->report_ap_tsf &&
2182 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2185 if (cap->randomize_mac_addr &&
2186 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2189 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
2193 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2196 nla_nest_end(msg, caps);
2197 nla_nest_end(msg, pmsr);
2203 nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2204 struct sk_buff *msg)
2207 struct nlattr *nested, *nested_akms;
2208 const struct wiphy_iftype_akm_suites *iftype_akms;
2210 if (!rdev->wiphy.num_iftype_akm_suites ||
2211 !rdev->wiphy.iftype_akm_suites)
2214 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2218 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2219 nested_akms = nla_nest_start(msg, i + 1);
2223 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2225 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2226 iftype_akms->iftypes_mask))
2229 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2230 sizeof(u32) * iftype_akms->n_akm_suites,
2231 iftype_akms->akm_suites)) {
2234 nla_nest_end(msg, nested_akms);
2237 nla_nest_end(msg, nested);
2243 nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2244 struct sk_buff *msg)
2246 struct nlattr *supp;
2248 if (!rdev->wiphy.tid_config_support.vif &&
2249 !rdev->wiphy.tid_config_support.peer)
2252 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2256 if (rdev->wiphy.tid_config_support.vif &&
2257 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2258 rdev->wiphy.tid_config_support.vif,
2259 NL80211_TID_CONFIG_ATTR_PAD))
2262 if (rdev->wiphy.tid_config_support.peer &&
2263 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2264 rdev->wiphy.tid_config_support.peer,
2265 NL80211_TID_CONFIG_ATTR_PAD))
2268 /* for now we just use the same value ... makes more sense */
2269 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2270 rdev->wiphy.tid_config_support.max_retry))
2272 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2273 rdev->wiphy.tid_config_support.max_retry))
2276 nla_nest_end(msg, supp);
2280 nla_nest_cancel(msg, supp);
2285 nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2286 struct sk_buff *msg)
2288 struct nlattr *sar_capa, *specs, *sub_freq_range;
2292 if (!rdev->wiphy.sar_capa)
2295 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2297 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2301 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2304 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2308 /* report supported freq_ranges */
2309 for (i = 0; i < num_freq_ranges; i++) {
2310 sub_freq_range = nla_nest_start(msg, i + 1);
2311 if (!sub_freq_range)
2314 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2315 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2318 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2319 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2322 nla_nest_end(msg, sub_freq_range);
2325 nla_nest_end(msg, specs);
2326 nla_nest_end(msg, sar_capa);
2330 nla_nest_cancel(msg, sar_capa);
2334 static int nl80211_put_mbssid_support(struct wiphy *wiphy, struct sk_buff *msg)
2336 struct nlattr *config;
2338 if (!wiphy->mbssid_max_interfaces)
2341 config = nla_nest_start(msg, NL80211_ATTR_MBSSID_CONFIG);
2345 if (nla_put_u8(msg, NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES,
2346 wiphy->mbssid_max_interfaces))
2349 if (wiphy->ema_max_profile_periodicity &&
2351 NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY,
2352 wiphy->ema_max_profile_periodicity))
2355 nla_nest_end(msg, config);
2359 nla_nest_cancel(msg, config);
2363 struct nl80211_dump_wiphy_state {
2366 long split_start, band_start, chan_start, capa_start;
2370 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
2371 enum nl80211_commands cmd,
2372 struct sk_buff *msg, u32 portid, u32 seq,
2373 int flags, struct nl80211_dump_wiphy_state *state)
2376 struct nlattr *nl_bands, *nl_band;
2377 struct nlattr *nl_freqs, *nl_freq;
2378 struct nlattr *nl_cmds;
2379 enum nl80211_band band;
2380 struct ieee80211_channel *chan;
2382 const struct ieee80211_txrx_stypes *mgmt_stypes =
2383 rdev->wiphy.mgmt_stypes;
2386 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2390 if (WARN_ON(!state))
2393 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2394 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
2395 wiphy_name(&rdev->wiphy)) ||
2396 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2397 cfg80211_rdev_list_generation))
2398 goto nla_put_failure;
2400 if (cmd != NL80211_CMD_NEW_WIPHY)
2403 switch (state->split_start) {
2405 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
2406 rdev->wiphy.retry_short) ||
2407 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
2408 rdev->wiphy.retry_long) ||
2409 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
2410 rdev->wiphy.frag_threshold) ||
2411 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
2412 rdev->wiphy.rts_threshold) ||
2413 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
2414 rdev->wiphy.coverage_class) ||
2415 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
2416 rdev->wiphy.max_scan_ssids) ||
2417 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
2418 rdev->wiphy.max_sched_scan_ssids) ||
2419 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
2420 rdev->wiphy.max_scan_ie_len) ||
2421 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
2422 rdev->wiphy.max_sched_scan_ie_len) ||
2423 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
2424 rdev->wiphy.max_match_sets))
2425 goto nla_put_failure;
2427 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
2428 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
2429 goto nla_put_failure;
2430 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
2431 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2432 goto nla_put_failure;
2433 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2434 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2435 goto nla_put_failure;
2436 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
2437 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2438 goto nla_put_failure;
2439 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2440 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2441 goto nla_put_failure;
2442 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
2443 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
2444 goto nla_put_failure;
2445 state->split_start++;
2450 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
2451 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2452 rdev->wiphy.cipher_suites))
2453 goto nla_put_failure;
2455 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
2456 rdev->wiphy.max_num_pmkids))
2457 goto nla_put_failure;
2459 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
2460 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
2461 goto nla_put_failure;
2463 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
2464 rdev->wiphy.available_antennas_tx) ||
2465 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2466 rdev->wiphy.available_antennas_rx))
2467 goto nla_put_failure;
2469 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2470 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2471 rdev->wiphy.probe_resp_offload))
2472 goto nla_put_failure;
2474 if ((rdev->wiphy.available_antennas_tx ||
2475 rdev->wiphy.available_antennas_rx) &&
2476 rdev->ops->get_antenna) {
2477 u32 tx_ant = 0, rx_ant = 0;
2480 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2482 if (nla_put_u32(msg,
2483 NL80211_ATTR_WIPHY_ANTENNA_TX,
2486 NL80211_ATTR_WIPHY_ANTENNA_RX,
2488 goto nla_put_failure;
2492 state->split_start++;
2497 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2498 rdev->wiphy.interface_modes))
2499 goto nla_put_failure;
2500 state->split_start++;
2505 nl_bands = nla_nest_start_noflag(msg,
2506 NL80211_ATTR_WIPHY_BANDS);
2508 goto nla_put_failure;
2510 for (band = state->band_start;
2511 band < (state->split ?
2513 NL80211_BAND_60GHZ + 1);
2515 struct ieee80211_supported_band *sband;
2517 /* omit higher bands for ancient software */
2518 if (band > NL80211_BAND_5GHZ && !state->split)
2521 sband = rdev->wiphy.bands[band];
2526 nl_band = nla_nest_start_noflag(msg, band);
2528 goto nla_put_failure;
2530 switch (state->chan_start) {
2532 if (nl80211_send_band_rateinfo(msg, sband,
2534 goto nla_put_failure;
2535 state->chan_start++;
2540 /* add frequencies */
2541 nl_freqs = nla_nest_start_noflag(msg,
2542 NL80211_BAND_ATTR_FREQS);
2544 goto nla_put_failure;
2546 for (i = state->chan_start - 1;
2547 i < sband->n_channels;
2549 nl_freq = nla_nest_start_noflag(msg,
2552 goto nla_put_failure;
2554 chan = &sband->channels[i];
2556 if (nl80211_msg_put_channel(
2557 msg, &rdev->wiphy, chan,
2559 goto nla_put_failure;
2561 nla_nest_end(msg, nl_freq);
2565 if (i < sband->n_channels)
2566 state->chan_start = i + 2;
2568 state->chan_start = 0;
2569 nla_nest_end(msg, nl_freqs);
2572 nla_nest_end(msg, nl_band);
2575 /* start again here */
2576 if (state->chan_start)
2581 nla_nest_end(msg, nl_bands);
2583 if (band < NUM_NL80211_BANDS)
2584 state->band_start = band + 1;
2586 state->band_start = 0;
2588 /* if bands & channels are done, continue outside */
2589 if (state->band_start == 0 && state->chan_start == 0)
2590 state->split_start++;
2595 nl_cmds = nla_nest_start_noflag(msg,
2596 NL80211_ATTR_SUPPORTED_COMMANDS);
2598 goto nla_put_failure;
2600 i = nl80211_add_commands_unsplit(rdev, msg);
2602 goto nla_put_failure;
2604 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2605 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2606 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2607 CMD(channel_switch, CHANNEL_SWITCH);
2608 CMD(set_qos_map, SET_QOS_MAP);
2609 if (rdev->wiphy.features &
2610 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2611 CMD(add_tx_ts, ADD_TX_TS);
2612 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2613 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2614 CMD(update_ft_ies, UPDATE_FT_IES);
2615 if (rdev->wiphy.sar_capa)
2616 CMD(set_sar_specs, SET_SAR_SPECS);
2620 nla_nest_end(msg, nl_cmds);
2621 state->split_start++;
2626 if (rdev->ops->remain_on_channel &&
2627 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2629 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2630 rdev->wiphy.max_remain_on_channel_duration))
2631 goto nla_put_failure;
2633 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2634 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2635 goto nla_put_failure;
2637 state->split_start++;
2643 if (nl80211_send_wowlan(msg, rdev, state->split))
2644 goto nla_put_failure;
2645 state->split_start++;
2649 state->split_start++;
2653 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2654 rdev->wiphy.software_iftypes))
2655 goto nla_put_failure;
2657 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2659 goto nla_put_failure;
2661 state->split_start++;
2666 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2667 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2668 rdev->wiphy.ap_sme_capa))
2669 goto nla_put_failure;
2671 features = rdev->wiphy.features;
2673 * We can only add the per-channel limit information if the
2674 * dump is split, otherwise it makes it too big. Therefore
2675 * only advertise it in that case.
2678 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2679 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2680 goto nla_put_failure;
2682 if (rdev->wiphy.ht_capa_mod_mask &&
2683 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2684 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2685 rdev->wiphy.ht_capa_mod_mask))
2686 goto nla_put_failure;
2688 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2689 rdev->wiphy.max_acl_mac_addrs &&
2690 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2691 rdev->wiphy.max_acl_mac_addrs))
2692 goto nla_put_failure;
2695 * Any information below this point is only available to
2696 * applications that can deal with it being split. This
2697 * helps ensure that newly added capabilities don't break
2698 * older tools by overrunning their buffers.
2700 * We still increment split_start so that in the split
2701 * case we'll continue with more data in the next round,
2702 * but break unconditionally so unsplit data stops here.
2705 state->split_start++;
2707 state->split_start = 0;
2710 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2711 goto nla_put_failure;
2713 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2714 rdev->wiphy.max_sched_scan_plans) ||
2715 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2716 rdev->wiphy.max_sched_scan_plan_interval) ||
2717 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2718 rdev->wiphy.max_sched_scan_plan_iterations))
2719 goto nla_put_failure;
2721 if (rdev->wiphy.extended_capabilities &&
2722 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2723 rdev->wiphy.extended_capabilities_len,
2724 rdev->wiphy.extended_capabilities) ||
2725 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2726 rdev->wiphy.extended_capabilities_len,
2727 rdev->wiphy.extended_capabilities_mask)))
2728 goto nla_put_failure;
2730 if (rdev->wiphy.vht_capa_mod_mask &&
2731 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2732 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2733 rdev->wiphy.vht_capa_mod_mask))
2734 goto nla_put_failure;
2736 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2737 rdev->wiphy.perm_addr))
2738 goto nla_put_failure;
2740 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2741 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2742 rdev->wiphy.addr_mask))
2743 goto nla_put_failure;
2745 if (rdev->wiphy.n_addresses > 1) {
2748 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2750 goto nla_put_failure;
2752 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2753 if (nla_put(msg, i + 1, ETH_ALEN,
2754 rdev->wiphy.addresses[i].addr))
2755 goto nla_put_failure;
2757 nla_nest_end(msg, attr);
2760 state->split_start++;
2763 if (nl80211_send_coalesce(msg, rdev))
2764 goto nla_put_failure;
2766 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2767 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2768 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2769 goto nla_put_failure;
2771 if (rdev->wiphy.max_ap_assoc_sta &&
2772 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2773 rdev->wiphy.max_ap_assoc_sta))
2774 goto nla_put_failure;
2776 state->split_start++;
2779 if (rdev->wiphy.n_vendor_commands) {
2780 const struct nl80211_vendor_cmd_info *info;
2781 struct nlattr *nested;
2783 nested = nla_nest_start_noflag(msg,
2784 NL80211_ATTR_VENDOR_DATA);
2786 goto nla_put_failure;
2788 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2789 info = &rdev->wiphy.vendor_commands[i].info;
2790 if (nla_put(msg, i + 1, sizeof(*info), info))
2791 goto nla_put_failure;
2793 nla_nest_end(msg, nested);
2796 if (rdev->wiphy.n_vendor_events) {
2797 const struct nl80211_vendor_cmd_info *info;
2798 struct nlattr *nested;
2800 nested = nla_nest_start_noflag(msg,
2801 NL80211_ATTR_VENDOR_EVENTS);
2803 goto nla_put_failure;
2805 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2806 info = &rdev->wiphy.vendor_events[i];
2807 if (nla_put(msg, i + 1, sizeof(*info), info))
2808 goto nla_put_failure;
2810 nla_nest_end(msg, nested);
2812 state->split_start++;
2815 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2816 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2817 rdev->wiphy.max_num_csa_counters))
2818 goto nla_put_failure;
2820 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2821 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2822 goto nla_put_failure;
2824 if (rdev->wiphy.max_sched_scan_reqs &&
2825 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2826 rdev->wiphy.max_sched_scan_reqs))
2827 goto nla_put_failure;
2829 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2830 sizeof(rdev->wiphy.ext_features),
2831 rdev->wiphy.ext_features))
2832 goto nla_put_failure;
2834 if (rdev->wiphy.bss_select_support) {
2835 struct nlattr *nested;
2836 u32 bss_select_support = rdev->wiphy.bss_select_support;
2838 nested = nla_nest_start_noflag(msg,
2839 NL80211_ATTR_BSS_SELECT);
2841 goto nla_put_failure;
2844 while (bss_select_support) {
2845 if ((bss_select_support & 1) &&
2846 nla_put_flag(msg, i))
2847 goto nla_put_failure;
2849 bss_select_support >>= 1;
2851 nla_nest_end(msg, nested);
2854 state->split_start++;
2857 if (rdev->wiphy.num_iftype_ext_capab &&
2858 rdev->wiphy.iftype_ext_capab) {
2859 struct nlattr *nested_ext_capab, *nested;
2861 nested = nla_nest_start_noflag(msg,
2862 NL80211_ATTR_IFTYPE_EXT_CAPA);
2864 goto nla_put_failure;
2866 for (i = state->capa_start;
2867 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2868 const struct wiphy_iftype_ext_capab *capab;
2870 capab = &rdev->wiphy.iftype_ext_capab[i];
2872 nested_ext_capab = nla_nest_start_noflag(msg,
2874 if (!nested_ext_capab ||
2875 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2877 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2878 capab->extended_capabilities_len,
2879 capab->extended_capabilities) ||
2880 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2881 capab->extended_capabilities_len,
2882 capab->extended_capabilities_mask))
2883 goto nla_put_failure;
2885 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO &&
2887 NL80211_ATTR_EML_CAPABILITY,
2888 capab->eml_capabilities) ||
2890 NL80211_ATTR_MLD_CAPA_AND_OPS,
2891 capab->mld_capa_and_ops)))
2892 goto nla_put_failure;
2894 nla_nest_end(msg, nested_ext_capab);
2898 nla_nest_end(msg, nested);
2899 if (i < rdev->wiphy.num_iftype_ext_capab) {
2900 state->capa_start = i + 1;
2905 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2906 rdev->wiphy.nan_supported_bands))
2907 goto nla_put_failure;
2909 if (wiphy_ext_feature_isset(&rdev->wiphy,
2910 NL80211_EXT_FEATURE_TXQS)) {
2911 struct cfg80211_txq_stats txqstats = {};
2914 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2916 !nl80211_put_txq_stats(msg, &txqstats,
2917 NL80211_ATTR_TXQ_STATS))
2918 goto nla_put_failure;
2920 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2921 rdev->wiphy.txq_limit))
2922 goto nla_put_failure;
2923 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2924 rdev->wiphy.txq_memory_limit))
2925 goto nla_put_failure;
2926 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2927 rdev->wiphy.txq_quantum))
2928 goto nla_put_failure;
2931 state->split_start++;
2934 if (nl80211_send_pmsr_capa(rdev, msg))
2935 goto nla_put_failure;
2937 state->split_start++;
2940 if (rdev->wiphy.akm_suites &&
2941 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2942 sizeof(u32) * rdev->wiphy.n_akm_suites,
2943 rdev->wiphy.akm_suites))
2944 goto nla_put_failure;
2946 if (nl80211_put_iftype_akm_suites(rdev, msg))
2947 goto nla_put_failure;
2949 if (nl80211_put_tid_config_support(rdev, msg))
2950 goto nla_put_failure;
2951 state->split_start++;
2954 if (nl80211_put_sar_specs(rdev, msg))
2955 goto nla_put_failure;
2957 if (nl80211_put_mbssid_support(&rdev->wiphy, msg))
2958 goto nla_put_failure;
2960 if (nla_put_u16(msg, NL80211_ATTR_MAX_NUM_AKM_SUITES,
2961 rdev->wiphy.max_num_akm_suites))
2962 goto nla_put_failure;
2964 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO)
2965 nla_put_flag(msg, NL80211_ATTR_MLO_SUPPORT);
2968 state->split_start = 0;
2972 genlmsg_end(msg, hdr);
2976 genlmsg_cancel(msg, hdr);
2980 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2981 struct netlink_callback *cb,
2982 struct nl80211_dump_wiphy_state *state)
2984 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2990 ret = nlmsg_parse_deprecated(cb->nlh,
2991 GENL_HDRLEN + nl80211_fam.hdrsize,
2992 tb, nl80211_fam.maxattr,
2993 nl80211_policy, NULL);
2994 /* ignore parse errors for backward compatibility */
3000 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
3001 if (tb[NL80211_ATTR_WIPHY])
3002 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
3003 if (tb[NL80211_ATTR_WDEV])
3004 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
3005 if (tb[NL80211_ATTR_IFINDEX]) {
3006 struct net_device *netdev;
3007 struct cfg80211_registered_device *rdev;
3008 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
3010 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
3015 if (netdev->ieee80211_ptr) {
3016 rdev = wiphy_to_rdev(
3017 netdev->ieee80211_ptr->wiphy);
3018 state->filter_wiphy = rdev->wiphy_idx;
3028 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
3031 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
3032 struct cfg80211_registered_device *rdev;
3036 state = kzalloc(sizeof(*state), GFP_KERNEL);
3041 state->filter_wiphy = -1;
3042 ret = nl80211_dump_wiphy_parse(skb, cb, state);
3048 cb->args[0] = (long)state;
3051 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3052 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3054 if (++idx <= state->start)
3056 if (state->filter_wiphy != -1 &&
3057 state->filter_wiphy != rdev->wiphy_idx)
3059 /* attempt to fit multiple wiphy data chunks into the skb */
3061 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
3063 NETLINK_CB(cb->skb).portid,
3065 NLM_F_MULTI, state);
3068 * If sending the wiphy data didn't fit (ENOBUFS
3069 * or EMSGSIZE returned), this SKB is still
3070 * empty (so it's not too big because another
3071 * wiphy dataset is already in the skb) and
3072 * we've not tried to adjust the dump allocation
3073 * yet ... then adjust the alloc size to be
3074 * bigger, and return 1 but with the empty skb.
3075 * This results in an empty message being RX'ed
3076 * in userspace, but that is ignored.
3078 * We can then retry with the larger buffer.
3080 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
3081 !skb->len && !state->split &&
3082 cb->min_dump_alloc < 4096) {
3083 cb->min_dump_alloc = 4096;
3084 state->split_start = 0;
3091 } while (state->split_start > 0);
3101 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
3103 kfree((void *)cb->args[0]);
3107 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
3109 struct sk_buff *msg;
3110 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3111 struct nl80211_dump_wiphy_state state = {};
3113 msg = nlmsg_new(4096, GFP_KERNEL);
3117 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
3118 info->snd_portid, info->snd_seq, 0,
3124 return genlmsg_reply(msg, info);
3127 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
3128 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
3129 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
3130 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
3131 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
3132 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
3135 static int parse_txq_params(struct nlattr *tb[],
3136 struct ieee80211_txq_params *txq_params)
3140 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
3141 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
3142 !tb[NL80211_TXQ_ATTR_AIFS])
3145 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
3146 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
3147 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
3148 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
3149 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
3151 if (ac >= NL80211_NUM_ACS)
3153 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
3157 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
3160 * You can only set the channel explicitly for some interfaces,
3161 * most have their channel managed via their respective
3162 * "establish a connection" command (connect, join, ...)
3164 * For AP/GO and mesh mode, the channel can be set with the
3165 * channel userspace API, but is only stored and passed to the
3166 * low-level driver when the AP starts or the mesh is joined.
3167 * This is for backward compatibility, userspace can also give
3168 * the channel in the start-ap or join-mesh commands instead.
3170 * Monitors are special as they are normally slaved to
3171 * whatever else is going on, so they have their own special
3172 * operation to set the monitor channel if possible.
3175 wdev->iftype == NL80211_IFTYPE_AP ||
3176 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
3177 wdev->iftype == NL80211_IFTYPE_MONITOR ||
3178 wdev->iftype == NL80211_IFTYPE_P2P_GO;
3181 static int nl80211_parse_punct_bitmap(struct cfg80211_registered_device *rdev,
3182 struct genl_info *info,
3183 const struct cfg80211_chan_def *chandef,
3186 if (!wiphy_ext_feature_isset(&rdev->wiphy, NL80211_EXT_FEATURE_PUNCT))
3189 *punct_bitmap = nla_get_u32(info->attrs[NL80211_ATTR_PUNCT_BITMAP]);
3190 if (!cfg80211_valid_disable_subchannel_bitmap(punct_bitmap, chandef))
3196 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
3197 struct genl_info *info,
3198 struct cfg80211_chan_def *chandef)
3200 struct netlink_ext_ack *extack = info->extack;
3201 struct nlattr **attrs = info->attrs;
3204 if (!attrs[NL80211_ATTR_WIPHY_FREQ]) {
3205 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3206 "Frequency is missing");
3210 control_freq = MHZ_TO_KHZ(
3211 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3212 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3214 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
3216 memset(chandef, 0, sizeof(*chandef));
3217 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3218 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
3219 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3220 chandef->freq1_offset = control_freq % 1000;
3221 chandef->center_freq2 = 0;
3223 /* Primary channel not allowed */
3224 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3225 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3226 "Channel is disabled");
3230 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3231 enum nl80211_channel_type chantype;
3233 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3236 case NL80211_CHAN_NO_HT:
3237 case NL80211_CHAN_HT20:
3238 case NL80211_CHAN_HT40PLUS:
3239 case NL80211_CHAN_HT40MINUS:
3240 cfg80211_chandef_create(chandef, chandef->chan,
3242 /* user input for center_freq is incorrect */
3243 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3244 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3245 NL_SET_ERR_MSG_ATTR(extack,
3246 attrs[NL80211_ATTR_CENTER_FREQ1],
3247 "bad center frequency 1");
3250 /* center_freq2 must be zero */
3251 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3252 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3253 NL_SET_ERR_MSG_ATTR(extack,
3254 attrs[NL80211_ATTR_CENTER_FREQ2],
3255 "center frequency 2 can't be used");
3260 NL_SET_ERR_MSG_ATTR(extack,
3261 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3262 "invalid channel type");
3265 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3267 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
3268 if (chandef->chan->band == NL80211_BAND_S1GHZ) {
3269 /* User input error for channel width doesn't match channel */
3270 if (chandef->width != ieee80211_s1g_channel_width(chandef->chan)) {
3271 NL_SET_ERR_MSG_ATTR(extack,
3272 attrs[NL80211_ATTR_CHANNEL_WIDTH],
3273 "bad channel width");
3277 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3278 chandef->center_freq1 =
3279 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
3280 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3281 chandef->freq1_offset = nla_get_u32(
3282 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3284 chandef->freq1_offset = 0;
3286 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3287 chandef->center_freq2 =
3288 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3291 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3292 chandef->edmg.channels =
3293 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3295 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3296 chandef->edmg.bw_config =
3297 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3299 chandef->edmg.bw_config = 0;
3300 chandef->edmg.channels = 0;
3303 if (!cfg80211_chandef_valid(chandef)) {
3304 NL_SET_ERR_MSG(extack, "invalid channel definition");
3308 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
3309 IEEE80211_CHAN_DISABLED)) {
3310 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3314 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3315 chandef->width == NL80211_CHAN_WIDTH_10) &&
3316 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3317 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
3324 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
3325 struct net_device *dev,
3326 struct genl_info *info,
3329 struct cfg80211_chan_def chandef;
3331 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
3332 struct wireless_dev *wdev = NULL;
3333 int link_id = _link_id;
3336 wdev = dev->ieee80211_ptr;
3337 if (!nl80211_can_set_dev_channel(wdev))
3340 iftype = wdev->iftype;
3343 if (wdev && wdev->valid_links)
3348 result = nl80211_parse_chandef(rdev, info, &chandef);
3353 case NL80211_IFTYPE_AP:
3354 case NL80211_IFTYPE_P2P_GO:
3355 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3358 if (wdev->links[link_id].ap.beacon_interval) {
3359 struct ieee80211_channel *cur_chan;
3361 if (!dev || !rdev->ops->set_ap_chanwidth ||
3362 !(rdev->wiphy.features &
3363 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE))
3366 /* Only allow dynamic channel width changes */
3367 cur_chan = wdev->links[link_id].ap.chandef.chan;
3368 if (chandef.chan != cur_chan)
3371 result = rdev_set_ap_chanwidth(rdev, dev, link_id,
3375 wdev->links[link_id].ap.chandef = chandef;
3377 wdev->u.ap.preset_chandef = chandef;
3380 case NL80211_IFTYPE_MESH_POINT:
3381 return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
3382 case NL80211_IFTYPE_MONITOR:
3383 return cfg80211_set_monitor_channel(rdev, &chandef);
3391 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3393 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3394 int link_id = nl80211_link_id_or_invalid(info->attrs);
3395 struct net_device *netdev = info->user_ptr[1];
3398 wdev_lock(netdev->ieee80211_ptr);
3399 ret = __nl80211_set_channel(rdev, netdev, info, link_id);
3400 wdev_unlock(netdev->ieee80211_ptr);
3405 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3407 struct cfg80211_registered_device *rdev = NULL;
3408 struct net_device *netdev = NULL;
3409 struct wireless_dev *wdev;
3410 int result = 0, rem_txq_params = 0;
3411 struct nlattr *nl_txq_params;
3413 u8 retry_short = 0, retry_long = 0;
3414 u32 frag_threshold = 0, rts_threshold = 0;
3415 u8 coverage_class = 0;
3416 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
3420 * Try to find the wiphy and netdev. Normally this
3421 * function shouldn't need the netdev, but this is
3422 * done for backward compatibility -- previously
3423 * setting the channel was done per wiphy, but now
3424 * it is per netdev. Previous userland like hostapd
3425 * also passed a netdev to set_wiphy, so that it is
3426 * possible to let that go to the right netdev!
3429 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3430 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3432 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
3433 if (netdev && netdev->ieee80211_ptr)
3434 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
3440 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3444 return PTR_ERR(rdev);
3450 wdev = netdev->ieee80211_ptr;
3452 wiphy_lock(&rdev->wiphy);
3455 * end workaround code, by now the rdev is available
3456 * and locked, and wdev may or may not be NULL.
3459 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
3460 result = cfg80211_dev_rename(
3461 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
3467 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3468 struct ieee80211_txq_params txq_params;
3469 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3471 if (!rdev->ops->set_txq_params) {
3472 result = -EOPNOTSUPP;
3481 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3482 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3487 if (!netif_running(netdev)) {
3492 nla_for_each_nested(nl_txq_params,
3493 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3495 result = nla_parse_nested_deprecated(tb,
3496 NL80211_TXQ_ATTR_MAX,
3502 result = parse_txq_params(tb, &txq_params);
3506 txq_params.link_id =
3507 nl80211_link_id_or_invalid(info->attrs);
3509 wdev_lock(netdev->ieee80211_ptr);
3510 if (txq_params.link_id >= 0 &&
3511 !(netdev->ieee80211_ptr->valid_links &
3512 BIT(txq_params.link_id)))
3514 else if (txq_params.link_id >= 0 &&
3515 !netdev->ieee80211_ptr->valid_links)
3518 result = rdev_set_txq_params(rdev, netdev,
3520 wdev_unlock(netdev->ieee80211_ptr);
3526 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3527 int link_id = nl80211_link_id_or_invalid(info->attrs);
3531 result = __nl80211_set_channel(
3533 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3537 result = __nl80211_set_channel(rdev, netdev, info, link_id);
3544 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
3545 struct wireless_dev *txp_wdev = wdev;
3546 enum nl80211_tx_power_setting type;
3549 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3552 if (!rdev->ops->set_tx_power) {
3553 result = -EOPNOTSUPP;
3557 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3558 type = nla_get_u32(info->attrs[idx]);
3560 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
3561 (type != NL80211_TX_POWER_AUTOMATIC)) {
3566 if (type != NL80211_TX_POWER_AUTOMATIC) {
3567 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3568 mbm = nla_get_u32(info->attrs[idx]);
3571 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
3576 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3577 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3580 if ((!rdev->wiphy.available_antennas_tx &&
3581 !rdev->wiphy.available_antennas_rx) ||
3582 !rdev->ops->set_antenna) {
3583 result = -EOPNOTSUPP;
3587 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3588 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3590 /* reject antenna configurations which don't match the
3591 * available antenna masks, except for the "all" mask */
3592 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3593 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3598 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3599 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3601 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3608 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3609 retry_short = nla_get_u8(
3610 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3612 changed |= WIPHY_PARAM_RETRY_SHORT;
3615 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3616 retry_long = nla_get_u8(
3617 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3619 changed |= WIPHY_PARAM_RETRY_LONG;
3622 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3623 frag_threshold = nla_get_u32(
3624 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3625 if (frag_threshold < 256) {
3630 if (frag_threshold != (u32) -1) {
3632 * Fragments (apart from the last one) are required to
3633 * have even length. Make the fragmentation code
3634 * simpler by stripping LSB should someone try to use
3635 * odd threshold value.
3637 frag_threshold &= ~0x1;
3639 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3642 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3643 rts_threshold = nla_get_u32(
3644 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3645 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3648 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3649 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3654 coverage_class = nla_get_u8(
3655 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3656 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3659 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3660 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3661 result = -EOPNOTSUPP;
3665 changed |= WIPHY_PARAM_DYN_ACK;
3668 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3669 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3670 NL80211_EXT_FEATURE_TXQS)) {
3671 result = -EOPNOTSUPP;
3674 txq_limit = nla_get_u32(
3675 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3676 changed |= WIPHY_PARAM_TXQ_LIMIT;
3679 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3680 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3681 NL80211_EXT_FEATURE_TXQS)) {
3682 result = -EOPNOTSUPP;
3685 txq_memory_limit = nla_get_u32(
3686 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3687 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3690 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3691 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3692 NL80211_EXT_FEATURE_TXQS)) {
3693 result = -EOPNOTSUPP;
3696 txq_quantum = nla_get_u32(
3697 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3698 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3702 u8 old_retry_short, old_retry_long;
3703 u32 old_frag_threshold, old_rts_threshold;
3704 u8 old_coverage_class;
3705 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3707 if (!rdev->ops->set_wiphy_params) {
3708 result = -EOPNOTSUPP;
3712 old_retry_short = rdev->wiphy.retry_short;
3713 old_retry_long = rdev->wiphy.retry_long;
3714 old_frag_threshold = rdev->wiphy.frag_threshold;
3715 old_rts_threshold = rdev->wiphy.rts_threshold;
3716 old_coverage_class = rdev->wiphy.coverage_class;
3717 old_txq_limit = rdev->wiphy.txq_limit;
3718 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3719 old_txq_quantum = rdev->wiphy.txq_quantum;
3721 if (changed & WIPHY_PARAM_RETRY_SHORT)
3722 rdev->wiphy.retry_short = retry_short;
3723 if (changed & WIPHY_PARAM_RETRY_LONG)
3724 rdev->wiphy.retry_long = retry_long;
3725 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3726 rdev->wiphy.frag_threshold = frag_threshold;
3727 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3728 rdev->wiphy.rts_threshold = rts_threshold;
3729 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3730 rdev->wiphy.coverage_class = coverage_class;
3731 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3732 rdev->wiphy.txq_limit = txq_limit;
3733 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3734 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3735 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3736 rdev->wiphy.txq_quantum = txq_quantum;
3738 result = rdev_set_wiphy_params(rdev, changed);
3740 rdev->wiphy.retry_short = old_retry_short;
3741 rdev->wiphy.retry_long = old_retry_long;
3742 rdev->wiphy.frag_threshold = old_frag_threshold;
3743 rdev->wiphy.rts_threshold = old_rts_threshold;
3744 rdev->wiphy.coverage_class = old_coverage_class;
3745 rdev->wiphy.txq_limit = old_txq_limit;
3746 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3747 rdev->wiphy.txq_quantum = old_txq_quantum;
3755 wiphy_unlock(&rdev->wiphy);
3759 static int nl80211_send_chandef(struct sk_buff *msg,
3760 const struct cfg80211_chan_def *chandef)
3762 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3765 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3766 chandef->chan->center_freq))
3768 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3769 chandef->chan->freq_offset))
3771 switch (chandef->width) {
3772 case NL80211_CHAN_WIDTH_20_NOHT:
3773 case NL80211_CHAN_WIDTH_20:
3774 case NL80211_CHAN_WIDTH_40:
3775 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3776 cfg80211_get_chandef_type(chandef)))
3782 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3784 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3786 if (chandef->center_freq2 &&
3787 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3792 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3793 struct cfg80211_registered_device *rdev,
3794 struct wireless_dev *wdev,
3795 enum nl80211_commands cmd)
3797 struct net_device *dev = wdev->netdev;
3800 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3801 cmd != NL80211_CMD_DEL_INTERFACE &&
3802 cmd != NL80211_CMD_SET_INTERFACE);
3804 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3809 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3810 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3811 goto nla_put_failure;
3813 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3814 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3815 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3816 NL80211_ATTR_PAD) ||
3817 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3818 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3819 rdev->devlist_generation ^
3820 (cfg80211_rdev_list_generation << 2)) ||
3821 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3822 goto nla_put_failure;
3824 if (rdev->ops->get_channel && !wdev->valid_links) {
3825 struct cfg80211_chan_def chandef = {};
3828 ret = rdev_get_channel(rdev, wdev, 0, &chandef);
3829 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3830 goto nla_put_failure;
3833 if (rdev->ops->get_tx_power) {
3836 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3838 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3840 goto nla_put_failure;
3844 switch (wdev->iftype) {
3845 case NL80211_IFTYPE_AP:
3846 case NL80211_IFTYPE_P2P_GO:
3847 if (wdev->u.ap.ssid_len &&
3848 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
3850 goto nla_put_failure_locked;
3852 case NL80211_IFTYPE_STATION:
3853 case NL80211_IFTYPE_P2P_CLIENT:
3854 if (wdev->u.client.ssid_len &&
3855 nla_put(msg, NL80211_ATTR_SSID, wdev->u.client.ssid_len,
3856 wdev->u.client.ssid))
3857 goto nla_put_failure_locked;
3859 case NL80211_IFTYPE_ADHOC:
3860 if (wdev->u.ibss.ssid_len &&
3861 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ibss.ssid_len,
3863 goto nla_put_failure_locked;
3871 if (rdev->ops->get_txq_stats) {
3872 struct cfg80211_txq_stats txqstats = {};
3873 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3876 !nl80211_put_txq_stats(msg, &txqstats,
3877 NL80211_ATTR_TXQ_STATS))
3878 goto nla_put_failure;
3881 if (wdev->valid_links) {
3882 unsigned int link_id;
3883 struct nlattr *links = nla_nest_start(msg,
3884 NL80211_ATTR_MLO_LINKS);
3887 goto nla_put_failure;
3889 for_each_valid_link(wdev, link_id) {
3890 struct nlattr *link = nla_nest_start(msg, link_id + 1);
3891 struct cfg80211_chan_def chandef = {};
3895 goto nla_put_failure;
3897 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
3898 goto nla_put_failure;
3899 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
3900 wdev->links[link_id].addr))
3901 goto nla_put_failure;
3903 ret = rdev_get_channel(rdev, wdev, link_id, &chandef);
3904 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3905 goto nla_put_failure;
3907 nla_nest_end(msg, link);
3910 nla_nest_end(msg, links);
3913 genlmsg_end(msg, hdr);
3916 nla_put_failure_locked:
3919 genlmsg_cancel(msg, hdr);
3923 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3927 int wp_start = cb->args[0];
3928 int if_start = cb->args[1];
3929 int filter_wiphy = -1;
3930 struct cfg80211_registered_device *rdev;
3931 struct wireless_dev *wdev;
3936 struct nl80211_dump_wiphy_state state = {
3940 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3944 filter_wiphy = state.filter_wiphy;
3947 * if filtering, set cb->args[2] to +1 since 0 is the default
3948 * value needed to determine that parsing is necessary.
3950 if (filter_wiphy >= 0)
3951 cb->args[2] = filter_wiphy + 1;
3954 } else if (cb->args[2] > 0) {
3955 filter_wiphy = cb->args[2] - 1;
3958 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3959 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3961 if (wp_idx < wp_start) {
3966 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3971 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3972 if (if_idx < if_start) {
3976 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3977 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3979 NL80211_CMD_NEW_INTERFACE) < 0) {
3988 cb->args[0] = wp_idx;
3989 cb->args[1] = if_idx;
3998 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
4000 struct sk_buff *msg;
4001 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4002 struct wireless_dev *wdev = info->user_ptr[1];
4004 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4008 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4009 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4014 return genlmsg_reply(msg, info);
4017 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
4018 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
4019 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
4020 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
4021 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
4022 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
4023 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
4026 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
4028 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
4036 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
4039 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
4041 *mntrflags |= (1<<flag);
4043 *mntrflags |= MONITOR_FLAG_CHANGED;
4048 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
4049 enum nl80211_iftype type,
4050 struct genl_info *info,
4051 struct vif_params *params)
4053 bool change = false;
4056 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
4057 if (type != NL80211_IFTYPE_MONITOR)
4060 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
4068 if (params->flags & MONITOR_FLAG_ACTIVE &&
4069 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
4072 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
4073 const u8 *mumimo_groups;
4074 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4076 if (type != NL80211_IFTYPE_MONITOR)
4079 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4083 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
4085 /* bits 0 and 63 are reserved and must be zero */
4086 if ((mumimo_groups[0] & BIT(0)) ||
4087 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
4090 params->vht_mumimo_groups = mumimo_groups;
4094 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
4095 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4097 if (type != NL80211_IFTYPE_MONITOR)
4100 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4103 params->vht_mumimo_follow_addr =
4104 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
4108 return change ? 1 : 0;
4111 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
4112 struct net_device *netdev, u8 use_4addr,
4113 enum nl80211_iftype iftype)
4116 if (netdev && netif_is_bridge_port(netdev))
4122 case NL80211_IFTYPE_AP_VLAN:
4123 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
4126 case NL80211_IFTYPE_STATION:
4127 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
4137 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
4139 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4140 struct vif_params params;
4142 enum nl80211_iftype otype, ntype;
4143 struct net_device *dev = info->user_ptr[1];
4144 bool change = false;
4146 memset(¶ms, 0, sizeof(params));
4148 otype = ntype = dev->ieee80211_ptr->iftype;
4150 if (info->attrs[NL80211_ATTR_IFTYPE]) {
4151 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
4156 if (info->attrs[NL80211_ATTR_MESH_ID]) {
4157 struct wireless_dev *wdev = dev->ieee80211_ptr;
4159 if (ntype != NL80211_IFTYPE_MESH_POINT)
4161 if (netif_running(dev))
4165 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4166 IEEE80211_MAX_MESH_ID_LEN);
4167 wdev->u.mesh.id_up_len =
4168 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4169 memcpy(wdev->u.mesh.id,
4170 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4171 wdev->u.mesh.id_up_len);
4175 if (info->attrs[NL80211_ATTR_4ADDR]) {
4176 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4178 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
4182 params.use_4addr = -1;
4185 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
4192 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
4196 if (!err && params.use_4addr != -1)
4197 dev->ieee80211_ptr->use_4addr = params.use_4addr;
4199 if (change && !err) {
4200 struct wireless_dev *wdev = dev->ieee80211_ptr;
4202 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
4208 static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4210 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4211 struct vif_params params;
4212 struct wireless_dev *wdev;
4213 struct sk_buff *msg;
4215 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
4217 memset(¶ms, 0, sizeof(params));
4219 if (!info->attrs[NL80211_ATTR_IFNAME])
4222 if (info->attrs[NL80211_ATTR_IFTYPE])
4223 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
4225 if (!rdev->ops->add_virtual_intf)
4228 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
4229 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
4230 info->attrs[NL80211_ATTR_MAC]) {
4231 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
4233 if (!is_valid_ether_addr(params.macaddr))
4234 return -EADDRNOTAVAIL;
4237 if (info->attrs[NL80211_ATTR_4ADDR]) {
4238 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4239 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
4244 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
4247 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
4251 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4255 wdev = rdev_add_virtual_intf(rdev,
4256 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
4257 NET_NAME_USER, type, ¶ms);
4258 if (WARN_ON(!wdev)) {
4261 } else if (IS_ERR(wdev)) {
4263 return PTR_ERR(wdev);
4266 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4267 wdev->owner_nlportid = info->snd_portid;
4270 case NL80211_IFTYPE_MESH_POINT:
4271 if (!info->attrs[NL80211_ATTR_MESH_ID])
4274 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4275 IEEE80211_MAX_MESH_ID_LEN);
4276 wdev->u.mesh.id_up_len =
4277 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4278 memcpy(wdev->u.mesh.id,
4279 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4280 wdev->u.mesh.id_up_len);
4283 case NL80211_IFTYPE_NAN:
4284 case NL80211_IFTYPE_P2P_DEVICE:
4286 * P2P Device and NAN do not have a netdev, so don't go
4287 * through the netdev notifier and must be added here
4289 cfg80211_init_wdev(wdev);
4290 cfg80211_register_wdev(rdev, wdev);
4296 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4297 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4302 return genlmsg_reply(msg, info);
4305 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4307 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4310 /* to avoid failing a new interface creation due to pending removal */
4311 cfg80211_destroy_ifaces(rdev);
4313 wiphy_lock(&rdev->wiphy);
4314 ret = _nl80211_new_interface(skb, info);
4315 wiphy_unlock(&rdev->wiphy);
4320 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4322 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4323 struct wireless_dev *wdev = info->user_ptr[1];
4325 if (!rdev->ops->del_virtual_intf)
4329 * We hold RTNL, so this is safe, without RTNL opencount cannot
4330 * reach 0, and thus the rdev cannot be deleted.
4332 * We need to do it for the dev_close(), since that will call
4333 * the netdev notifiers, and we need to acquire the mutex there
4334 * but don't know if we get there from here or from some other
4335 * place (e.g. "ip link set ... down").
4337 mutex_unlock(&rdev->wiphy.mtx);
4340 * If we remove a wireless device without a netdev then clear
4341 * user_ptr[1] so that nl80211_post_doit won't dereference it
4342 * to check if it needs to do dev_put(). Otherwise it crashes
4343 * since the wdev has been freed, unlike with a netdev where
4344 * we need the dev_put() for the netdev to really be freed.
4347 info->user_ptr[1] = NULL;
4349 dev_close(wdev->netdev);
4351 mutex_lock(&rdev->wiphy.mtx);
4353 return cfg80211_remove_virtual_intf(rdev, wdev);
4356 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4358 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4359 struct net_device *dev = info->user_ptr[1];
4362 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4365 if (!rdev->ops->set_noack_map)
4368 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4370 return rdev_set_noack_map(rdev, dev, noack_map);
4373 static int nl80211_validate_key_link_id(struct genl_info *info,
4374 struct wireless_dev *wdev,
4375 int link_id, bool pairwise)
4378 if (link_id != -1) {
4379 GENL_SET_ERR_MSG(info,
4380 "link ID not allowed for pairwise key");
4387 if (wdev->valid_links) {
4388 if (link_id == -1) {
4389 GENL_SET_ERR_MSG(info,
4390 "link ID must for MLO group key");
4393 if (!(wdev->valid_links & BIT(link_id))) {
4394 GENL_SET_ERR_MSG(info, "invalid link ID for MLO group key");
4397 } else if (link_id != -1) {
4398 GENL_SET_ERR_MSG(info, "link ID not allowed for non-MLO group key");
4405 struct get_key_cookie {
4406 struct sk_buff *msg;
4411 static void get_key_callback(void *c, struct key_params *params)
4414 struct get_key_cookie *cookie = c;
4417 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4418 params->key_len, params->key)) ||
4420 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4421 params->seq_len, params->seq)) ||
4423 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4425 goto nla_put_failure;
4427 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
4429 goto nla_put_failure;
4432 nla_put(cookie->msg, NL80211_KEY_DATA,
4433 params->key_len, params->key)) ||
4435 nla_put(cookie->msg, NL80211_KEY_SEQ,
4436 params->seq_len, params->seq)) ||
4438 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4440 goto nla_put_failure;
4442 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
4443 goto nla_put_failure;
4445 nla_nest_end(cookie->msg, key);
4452 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4454 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4456 struct net_device *dev = info->user_ptr[1];
4458 const u8 *mac_addr = NULL;
4460 struct get_key_cookie cookie = {
4464 struct sk_buff *msg;
4465 bool bigtk_support = false;
4466 int link_id = nl80211_link_id_or_invalid(info->attrs);
4467 struct wireless_dev *wdev = dev->ieee80211_ptr;
4469 if (wiphy_ext_feature_isset(&rdev->wiphy,
4470 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4471 bigtk_support = true;
4473 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
4474 wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4475 wiphy_ext_feature_isset(&rdev->wiphy,
4476 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4477 bigtk_support = true;
4479 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4480 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4482 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4483 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4488 if (info->attrs[NL80211_ATTR_MAC])
4489 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4491 pairwise = !!mac_addr;
4492 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4493 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4495 if (kt != NL80211_KEYTYPE_GROUP &&
4496 kt != NL80211_KEYTYPE_PAIRWISE)
4498 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4501 if (!rdev->ops->get_key)
4504 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4507 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4511 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4512 NL80211_CMD_NEW_KEY);
4514 goto nla_put_failure;
4517 cookie.idx = key_idx;
4519 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4520 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4521 goto nla_put_failure;
4523 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4524 goto nla_put_failure;
4526 err = nl80211_validate_key_link_id(info, wdev, link_id, pairwise);
4530 err = rdev_get_key(rdev, dev, link_id, key_idx, pairwise, mac_addr,
4531 &cookie, get_key_callback);
4537 goto nla_put_failure;
4539 genlmsg_end(msg, hdr);
4540 return genlmsg_reply(msg, info);
4549 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4551 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4552 struct key_parse key;
4554 struct net_device *dev = info->user_ptr[1];
4555 int link_id = nl80211_link_id_or_invalid(info->attrs);
4556 struct wireless_dev *wdev = dev->ieee80211_ptr;
4558 err = nl80211_parse_key(info, &key);
4565 /* Only support setting default key and
4566 * Extended Key ID action NL80211_KEY_SET_TX.
4568 if (!key.def && !key.defmgmt && !key.defbeacon &&
4569 !(key.p.mode == NL80211_KEY_SET_TX))
4575 if (!rdev->ops->set_default_key) {
4580 err = nl80211_key_allowed(wdev);
4584 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4588 err = rdev_set_default_key(rdev, dev, link_id, key.idx,
4589 key.def_uni, key.def_multi);
4594 #ifdef CONFIG_CFG80211_WEXT
4595 wdev->wext.default_key = key.idx;
4597 } else if (key.defmgmt) {
4598 if (key.def_uni || !key.def_multi) {
4603 if (!rdev->ops->set_default_mgmt_key) {
4608 err = nl80211_key_allowed(wdev);
4612 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4616 err = rdev_set_default_mgmt_key(rdev, dev, link_id, key.idx);
4620 #ifdef CONFIG_CFG80211_WEXT
4621 wdev->wext.default_mgmt_key = key.idx;
4623 } else if (key.defbeacon) {
4624 if (key.def_uni || !key.def_multi) {
4629 if (!rdev->ops->set_default_beacon_key) {
4634 err = nl80211_key_allowed(wdev);
4638 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4642 err = rdev_set_default_beacon_key(rdev, dev, link_id, key.idx);
4645 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4646 wiphy_ext_feature_isset(&rdev->wiphy,
4647 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4648 u8 *mac_addr = NULL;
4650 if (info->attrs[NL80211_ATTR_MAC])
4651 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4653 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4658 err = nl80211_validate_key_link_id(info, wdev, link_id, true);
4662 err = rdev_add_key(rdev, dev, link_id, key.idx,
4663 NL80211_KEYTYPE_PAIRWISE,
4674 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4676 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4678 struct net_device *dev = info->user_ptr[1];
4679 struct key_parse key;
4680 const u8 *mac_addr = NULL;
4681 int link_id = nl80211_link_id_or_invalid(info->attrs);
4682 struct wireless_dev *wdev = dev->ieee80211_ptr;
4684 err = nl80211_parse_key(info, &key);
4689 GENL_SET_ERR_MSG(info, "no key");
4693 if (info->attrs[NL80211_ATTR_MAC])
4694 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4696 if (key.type == -1) {
4698 key.type = NL80211_KEYTYPE_PAIRWISE;
4700 key.type = NL80211_KEYTYPE_GROUP;
4704 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4705 key.type != NL80211_KEYTYPE_GROUP) {
4706 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4710 if (key.type == NL80211_KEYTYPE_GROUP &&
4711 info->attrs[NL80211_ATTR_VLAN_ID])
4712 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4714 if (!rdev->ops->add_key)
4717 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4718 key.type == NL80211_KEYTYPE_PAIRWISE,
4720 GENL_SET_ERR_MSG(info, "key setting validation failed");
4725 err = nl80211_key_allowed(wdev);
4727 GENL_SET_ERR_MSG(info, "key not allowed");
4730 err = nl80211_validate_key_link_id(info, wdev, link_id,
4731 key.type == NL80211_KEYTYPE_PAIRWISE);
4734 err = rdev_add_key(rdev, dev, link_id, key.idx,
4735 key.type == NL80211_KEYTYPE_PAIRWISE,
4738 GENL_SET_ERR_MSG(info, "key addition failed");
4745 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4747 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4749 struct net_device *dev = info->user_ptr[1];
4750 u8 *mac_addr = NULL;
4751 struct key_parse key;
4752 int link_id = nl80211_link_id_or_invalid(info->attrs);
4753 struct wireless_dev *wdev = dev->ieee80211_ptr;
4755 err = nl80211_parse_key(info, &key);
4759 if (info->attrs[NL80211_ATTR_MAC])
4760 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4762 if (key.type == -1) {
4764 key.type = NL80211_KEYTYPE_PAIRWISE;
4766 key.type = NL80211_KEYTYPE_GROUP;
4770 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4771 key.type != NL80211_KEYTYPE_GROUP)
4774 if (!cfg80211_valid_key_idx(rdev, key.idx,
4775 key.type == NL80211_KEYTYPE_PAIRWISE))
4778 if (!rdev->ops->del_key)
4782 err = nl80211_key_allowed(wdev);
4784 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4785 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4789 err = nl80211_validate_key_link_id(info, wdev, link_id,
4790 key.type == NL80211_KEYTYPE_PAIRWISE);
4793 err = rdev_del_key(rdev, dev, link_id, key.idx,
4794 key.type == NL80211_KEYTYPE_PAIRWISE,
4797 #ifdef CONFIG_CFG80211_WEXT
4799 if (key.idx == wdev->wext.default_key)
4800 wdev->wext.default_key = -1;
4801 else if (key.idx == wdev->wext.default_mgmt_key)
4802 wdev->wext.default_mgmt_key = -1;
4810 /* This function returns an error or the number of nested attributes */
4811 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4813 struct nlattr *attr;
4814 int n_entries = 0, tmp;
4816 nla_for_each_nested(attr, nl_attr, tmp) {
4817 if (nla_len(attr) != ETH_ALEN)
4827 * This function parses ACL information and allocates memory for ACL data.
4828 * On successful return, the calling function is responsible to free the
4829 * ACL buffer returned by this function.
4831 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4832 struct genl_info *info)
4834 enum nl80211_acl_policy acl_policy;
4835 struct nlattr *attr;
4836 struct cfg80211_acl_data *acl;
4837 int i = 0, n_entries, tmp;
4839 if (!wiphy->max_acl_mac_addrs)
4840 return ERR_PTR(-EOPNOTSUPP);
4842 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4843 return ERR_PTR(-EINVAL);
4845 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4846 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4847 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4848 return ERR_PTR(-EINVAL);
4850 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4851 return ERR_PTR(-EINVAL);
4853 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4855 return ERR_PTR(n_entries);
4857 if (n_entries > wiphy->max_acl_mac_addrs)
4858 return ERR_PTR(-ENOTSUPP);
4860 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4862 return ERR_PTR(-ENOMEM);
4864 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4865 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4869 acl->n_acl_entries = n_entries;
4870 acl->acl_policy = acl_policy;
4875 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4877 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4878 struct net_device *dev = info->user_ptr[1];
4879 struct cfg80211_acl_data *acl;
4882 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4883 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4886 if (!dev->ieee80211_ptr->links[0].ap.beacon_interval)
4889 acl = parse_acl_data(&rdev->wiphy, info);
4891 return PTR_ERR(acl);
4893 err = rdev_set_mac_acl(rdev, dev, acl);
4900 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4901 u8 *rates, u8 rates_len)
4906 for (i = 0; i < rates_len; i++) {
4907 int rate = (rates[i] & 0x7f) * 5;
4910 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4911 struct ieee80211_rate *srate =
4912 &sband->bitrates[ridx];
4913 if (rate == srate->bitrate) {
4918 if (ridx == sband->n_bitrates)
4919 return 0; /* rate not found */
4925 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4926 u8 *rates, u8 rates_len,
4927 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4931 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4933 for (i = 0; i < rates_len; i++) {
4936 ridx = rates[i] / 8;
4937 rbit = BIT(rates[i] % 8);
4939 /* check validity */
4940 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4943 /* check availability */
4944 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4945 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4954 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4958 switch (vht_mcs_map) {
4959 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4961 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4964 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4967 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4977 static void vht_build_mcs_mask(u16 vht_mcs_map,
4978 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4982 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4983 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4988 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4989 struct nl80211_txrate_vht *txrate,
4990 u16 mcs[NL80211_VHT_NSS_MAX])
4992 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4993 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4996 if (!sband->vht_cap.vht_supported)
4999 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
5001 /* Build vht_mcs_mask from VHT capabilities */
5002 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5004 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5005 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5006 mcs[i] = txrate->mcs[i];
5014 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
5016 switch (he_mcs_map) {
5017 case IEEE80211_HE_MCS_NOT_SUPPORTED:
5019 case IEEE80211_HE_MCS_SUPPORT_0_7:
5021 case IEEE80211_HE_MCS_SUPPORT_0_9:
5023 case IEEE80211_HE_MCS_SUPPORT_0_11:
5031 static void he_build_mcs_mask(u16 he_mcs_map,
5032 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
5036 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
5037 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
5042 static u16 he_get_txmcsmap(struct genl_info *info, unsigned int link_id,
5043 const struct ieee80211_sta_he_cap *he_cap)
5045 struct net_device *dev = info->user_ptr[1];
5046 struct wireless_dev *wdev = dev->ieee80211_ptr;
5047 struct cfg80211_chan_def *chandef;
5050 chandef = wdev_chandef(wdev, link_id);
5053 * This is probably broken, but we never maintained
5054 * a chandef in these cases, so it always was.
5056 return le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);
5059 switch (chandef->width) {
5060 case NL80211_CHAN_WIDTH_80P80:
5061 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
5063 case NL80211_CHAN_WIDTH_160:
5064 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
5067 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
5071 return le16_to_cpu(tx_mcs);
5074 static bool he_set_mcs_mask(struct genl_info *info,
5075 struct wireless_dev *wdev,
5076 struct ieee80211_supported_band *sband,
5077 struct nl80211_txrate_he *txrate,
5078 u16 mcs[NL80211_HE_NSS_MAX],
5079 unsigned int link_id)
5081 const struct ieee80211_sta_he_cap *he_cap;
5082 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
5086 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5090 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
5092 tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
5094 /* Build he_mcs_mask from HE capabilities */
5095 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5097 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5098 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5099 mcs[i] = txrate->mcs[i];
5107 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
5108 struct nlattr *attrs[],
5109 enum nl80211_attrs attr,
5110 struct cfg80211_bitrate_mask *mask,
5111 struct net_device *dev,
5112 bool default_all_enabled,
5113 unsigned int link_id)
5115 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
5116 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5117 struct wireless_dev *wdev = dev->ieee80211_ptr;
5119 struct nlattr *tx_rates;
5120 struct ieee80211_supported_band *sband;
5121 u16 vht_tx_mcs_map, he_tx_mcs_map;
5123 memset(mask, 0, sizeof(*mask));
5124 /* Default to all rates enabled */
5125 for (i = 0; i < NUM_NL80211_BANDS; i++) {
5126 const struct ieee80211_sta_he_cap *he_cap;
5128 if (!default_all_enabled)
5131 sband = rdev->wiphy.bands[i];
5136 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
5137 memcpy(mask->control[i].ht_mcs,
5138 sband->ht_cap.mcs.rx_mask,
5139 sizeof(mask->control[i].ht_mcs));
5141 if (sband->vht_cap.vht_supported) {
5142 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5143 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
5146 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5150 he_tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
5151 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
5153 mask->control[i].he_gi = 0xFF;
5154 mask->control[i].he_ltf = 0xFF;
5157 /* if no rates are given set it back to the defaults */
5161 /* The nested attribute uses enum nl80211_band as the index. This maps
5162 * directly to the enum nl80211_band values used in cfg80211.
5164 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
5165 nla_for_each_nested(tx_rates, attrs[attr], rem) {
5166 enum nl80211_band band = nla_type(tx_rates);
5169 if (band < 0 || band >= NUM_NL80211_BANDS)
5171 sband = rdev->wiphy.bands[band];
5174 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
5176 nl80211_txattr_policy,
5180 if (tb[NL80211_TXRATE_LEGACY]) {
5181 mask->control[band].legacy = rateset_to_mask(
5183 nla_data(tb[NL80211_TXRATE_LEGACY]),
5184 nla_len(tb[NL80211_TXRATE_LEGACY]));
5185 if ((mask->control[band].legacy == 0) &&
5186 nla_len(tb[NL80211_TXRATE_LEGACY]))
5189 if (tb[NL80211_TXRATE_HT]) {
5190 if (!ht_rateset_to_mask(
5192 nla_data(tb[NL80211_TXRATE_HT]),
5193 nla_len(tb[NL80211_TXRATE_HT]),
5194 mask->control[band].ht_mcs))
5198 if (tb[NL80211_TXRATE_VHT]) {
5199 if (!vht_set_mcs_mask(
5201 nla_data(tb[NL80211_TXRATE_VHT]),
5202 mask->control[band].vht_mcs))
5206 if (tb[NL80211_TXRATE_GI]) {
5207 mask->control[band].gi =
5208 nla_get_u8(tb[NL80211_TXRATE_GI]);
5209 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
5212 if (tb[NL80211_TXRATE_HE] &&
5213 !he_set_mcs_mask(info, wdev, sband,
5214 nla_data(tb[NL80211_TXRATE_HE]),
5215 mask->control[band].he_mcs,
5219 if (tb[NL80211_TXRATE_HE_GI])
5220 mask->control[band].he_gi =
5221 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
5222 if (tb[NL80211_TXRATE_HE_LTF])
5223 mask->control[band].he_ltf =
5224 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
5226 if (mask->control[band].legacy == 0) {
5227 /* don't allow empty legacy rates if HT, VHT or HE
5228 * are not even supported.
5230 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
5231 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
5232 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
5235 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
5236 if (mask->control[band].ht_mcs[i])
5239 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
5240 if (mask->control[band].vht_mcs[i])
5243 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
5244 if (mask->control[band].he_mcs[i])
5247 /* legacy and mcs rates may not be both empty */
5256 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
5257 enum nl80211_band band,
5258 struct cfg80211_bitrate_mask *beacon_rate)
5260 u32 count_ht, count_vht, count_he, i;
5261 u32 rate = beacon_rate->control[band].legacy;
5263 /* Allow only one rate */
5264 if (hweight32(rate) > 1)
5268 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
5269 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
5271 } else if (beacon_rate->control[band].ht_mcs[i]) {
5276 if (count_ht && rate)
5281 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5282 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
5284 } else if (beacon_rate->control[band].vht_mcs[i]) {
5289 if (count_vht && rate)
5294 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5295 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
5297 } else if (beacon_rate->control[band].he_mcs[i]) {
5302 if (count_he && rate)
5306 if ((count_ht && count_vht && count_he) ||
5307 (!rate && !count_ht && !count_vht && !count_he))
5311 !wiphy_ext_feature_isset(&rdev->wiphy,
5312 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
5315 !wiphy_ext_feature_isset(&rdev->wiphy,
5316 NL80211_EXT_FEATURE_BEACON_RATE_HT))
5319 !wiphy_ext_feature_isset(&rdev->wiphy,
5320 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
5323 !wiphy_ext_feature_isset(&rdev->wiphy,
5324 NL80211_EXT_FEATURE_BEACON_RATE_HE))
5330 static int nl80211_parse_mbssid_config(struct wiphy *wiphy,
5331 struct net_device *dev,
5332 struct nlattr *attrs,
5333 struct cfg80211_mbssid_config *config,
5336 struct nlattr *tb[NL80211_MBSSID_CONFIG_ATTR_MAX + 1];
5338 if (!wiphy->mbssid_max_interfaces)
5341 if (nla_parse_nested(tb, NL80211_MBSSID_CONFIG_ATTR_MAX, attrs, NULL,
5343 !tb[NL80211_MBSSID_CONFIG_ATTR_INDEX])
5346 config->ema = nla_get_flag(tb[NL80211_MBSSID_CONFIG_ATTR_EMA]);
5348 if (!wiphy->ema_max_profile_periodicity)
5351 if (num_elems > wiphy->ema_max_profile_periodicity)
5355 config->index = nla_get_u8(tb[NL80211_MBSSID_CONFIG_ATTR_INDEX]);
5356 if (config->index >= wiphy->mbssid_max_interfaces ||
5357 (!config->index && !num_elems))
5360 if (tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]) {
5362 nla_get_u32(tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]);
5364 if ((!config->index && tx_ifindex != dev->ifindex) ||
5365 (config->index && tx_ifindex == dev->ifindex))
5368 if (tx_ifindex != dev->ifindex) {
5369 struct net_device *tx_netdev =
5370 dev_get_by_index(wiphy_net(wiphy), tx_ifindex);
5372 if (!tx_netdev || !tx_netdev->ieee80211_ptr ||
5373 tx_netdev->ieee80211_ptr->wiphy != wiphy ||
5374 tx_netdev->ieee80211_ptr->iftype !=
5375 NL80211_IFTYPE_AP) {
5380 config->tx_wdev = tx_netdev->ieee80211_ptr;
5382 config->tx_wdev = dev->ieee80211_ptr;
5384 } else if (!config->index) {
5385 config->tx_wdev = dev->ieee80211_ptr;
5393 static struct cfg80211_mbssid_elems *
5394 nl80211_parse_mbssid_elems(struct wiphy *wiphy, struct nlattr *attrs)
5396 struct nlattr *nl_elems;
5397 struct cfg80211_mbssid_elems *elems;
5399 u8 i = 0, num_elems = 0;
5401 if (!wiphy->mbssid_max_interfaces)
5402 return ERR_PTR(-EINVAL);
5404 nla_for_each_nested(nl_elems, attrs, rem_elems)
5407 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5409 return ERR_PTR(-ENOMEM);
5411 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5412 elems->elem[i].data = nla_data(nl_elems);
5413 elems->elem[i].len = nla_len(nl_elems);
5416 elems->cnt = num_elems;
5420 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5421 struct cfg80211_he_bss_color *he_bss_color)
5423 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5426 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5427 he_bss_color_policy, NULL);
5431 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5434 he_bss_color->color =
5435 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5436 he_bss_color->enabled =
5437 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5438 he_bss_color->partial =
5439 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5444 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
5445 struct nlattr *attrs[],
5446 struct cfg80211_beacon_data *bcn)
5448 bool haveinfo = false;
5451 memset(bcn, 0, sizeof(*bcn));
5453 bcn->link_id = nl80211_link_id(attrs);
5455 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
5456 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
5457 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
5463 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
5464 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
5465 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
5472 if (attrs[NL80211_ATTR_IE]) {
5473 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
5474 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
5477 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
5478 bcn->proberesp_ies =
5479 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5480 bcn->proberesp_ies_len =
5481 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5484 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
5485 bcn->assocresp_ies =
5486 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5487 bcn->assocresp_ies_len =
5488 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5491 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5492 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5493 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
5496 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5497 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5499 err = nla_parse_nested_deprecated(tb,
5500 NL80211_FTM_RESP_ATTR_MAX,
5501 attrs[NL80211_ATTR_FTM_RESPONDER],
5506 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5507 wiphy_ext_feature_isset(&rdev->wiphy,
5508 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5509 bcn->ftm_responder = 1;
5513 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5514 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5515 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5518 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5519 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5520 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5523 bcn->ftm_responder = -1;
5526 if (attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5527 err = nl80211_parse_he_bss_color(attrs[NL80211_ATTR_HE_BSS_COLOR],
5528 &bcn->he_bss_color);
5531 bcn->he_bss_color_valid = true;
5534 if (attrs[NL80211_ATTR_MBSSID_ELEMS]) {
5535 struct cfg80211_mbssid_elems *mbssid =
5536 nl80211_parse_mbssid_elems(&rdev->wiphy,
5537 attrs[NL80211_ATTR_MBSSID_ELEMS]);
5540 return PTR_ERR(mbssid);
5542 bcn->mbssid_ies = mbssid;
5548 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5549 struct ieee80211_he_obss_pd *he_obss_pd)
5551 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5554 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5555 he_obss_pd_policy, NULL);
5559 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5562 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5564 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5565 he_obss_pd->min_offset =
5566 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5567 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5568 he_obss_pd->max_offset =
5569 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
5570 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5571 he_obss_pd->non_srg_max_offset =
5572 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
5574 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
5577 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5578 memcpy(he_obss_pd->bss_color_bitmap,
5579 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5580 sizeof(he_obss_pd->bss_color_bitmap));
5582 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5583 memcpy(he_obss_pd->partial_bssid_bitmap,
5584 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5585 sizeof(he_obss_pd->partial_bssid_bitmap));
5587 he_obss_pd->enable = true;
5592 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5593 struct nlattr *attrs,
5594 struct cfg80211_ap_settings *params)
5596 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5598 struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery;
5600 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5601 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5604 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5609 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5610 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5611 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5614 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5615 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5616 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5617 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5623 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5624 struct nlattr *attrs,
5625 struct cfg80211_ap_settings *params)
5627 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5629 struct cfg80211_unsol_bcast_probe_resp *presp =
5630 ¶ms->unsol_bcast_probe_resp;
5632 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5633 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5636 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5641 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5642 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5645 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5646 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5647 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5651 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5652 const struct element *rates)
5659 for (i = 0; i < rates->datalen; i++) {
5660 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5661 params->ht_required = true;
5662 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5663 params->vht_required = true;
5664 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5665 params->he_required = true;
5666 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5667 params->sae_h2e_required = true;
5672 * Since the nl80211 API didn't include, from the beginning, attributes about
5673 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5674 * benefit of drivers that rebuild IEs in the firmware.
5676 static int nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5678 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5679 size_t ies_len = bcn->tail_len;
5680 const u8 *ies = bcn->tail;
5681 const struct element *rates;
5682 const struct element *cap;
5684 rates = cfg80211_find_elem(WLAN_EID_SUPP_RATES, ies, ies_len);
5685 nl80211_check_ap_rate_selectors(params, rates);
5687 rates = cfg80211_find_elem(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5688 nl80211_check_ap_rate_selectors(params, rates);
5690 cap = cfg80211_find_elem(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5691 if (cap && cap->datalen >= sizeof(*params->ht_cap))
5692 params->ht_cap = (void *)cap->data;
5693 cap = cfg80211_find_elem(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5694 if (cap && cap->datalen >= sizeof(*params->vht_cap))
5695 params->vht_cap = (void *)cap->data;
5696 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5697 if (cap && cap->datalen >= sizeof(*params->he_cap) + 1)
5698 params->he_cap = (void *)(cap->data + 1);
5699 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5700 if (cap && cap->datalen >= sizeof(*params->he_oper) + 1)
5701 params->he_oper = (void *)(cap->data + 1);
5702 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_CAPABILITY, ies, ies_len);
5706 params->eht_cap = (void *)(cap->data + 1);
5707 if (!ieee80211_eht_capa_size_ok((const u8 *)params->he_cap,
5708 (const u8 *)params->eht_cap,
5709 cap->datalen - 1, true))
5712 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_OPERATION, ies, ies_len);
5716 params->eht_oper = (void *)(cap->data + 1);
5717 if (!ieee80211_eht_oper_size_ok((const u8 *)params->eht_oper,
5724 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5725 struct cfg80211_ap_settings *params)
5727 struct wireless_dev *wdev;
5729 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5730 if (wdev->iftype != NL80211_IFTYPE_AP &&
5731 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5734 if (!wdev->u.ap.preset_chandef.chan)
5737 params->chandef = wdev->u.ap.preset_chandef;
5744 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5745 enum nl80211_auth_type auth_type,
5746 enum nl80211_commands cmd)
5748 if (auth_type > NL80211_AUTHTYPE_MAX)
5752 case NL80211_CMD_AUTHENTICATE:
5753 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5754 auth_type == NL80211_AUTHTYPE_SAE)
5756 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5757 NL80211_EXT_FEATURE_FILS_STA) &&
5758 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5759 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5760 auth_type == NL80211_AUTHTYPE_FILS_PK))
5763 case NL80211_CMD_CONNECT:
5764 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5765 !wiphy_ext_feature_isset(&rdev->wiphy,
5766 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5767 auth_type == NL80211_AUTHTYPE_SAE)
5770 /* FILS with SK PFS or PK not supported yet */
5771 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5772 auth_type == NL80211_AUTHTYPE_FILS_PK)
5774 if (!wiphy_ext_feature_isset(
5776 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5777 auth_type == NL80211_AUTHTYPE_FILS_SK)
5780 case NL80211_CMD_START_AP:
5781 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5782 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5783 auth_type == NL80211_AUTHTYPE_SAE)
5785 /* FILS not supported yet */
5786 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5787 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5788 auth_type == NL80211_AUTHTYPE_FILS_PK)
5796 static void nl80211_send_ap_started(struct wireless_dev *wdev,
5797 unsigned int link_id)
5799 struct wiphy *wiphy = wdev->wiphy;
5800 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5801 struct sk_buff *msg;
5804 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5808 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_START_AP);
5812 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
5813 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
5814 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
5815 NL80211_ATTR_PAD) ||
5816 (wdev->u.ap.ssid_len &&
5817 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
5818 wdev->u.ap.ssid)) ||
5819 (wdev->valid_links &&
5820 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)))
5823 genlmsg_end(msg, hdr);
5825 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
5826 NL80211_MCGRP_MLME, GFP_KERNEL);
5832 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5834 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5835 unsigned int link_id = nl80211_link_id(info->attrs);
5836 struct net_device *dev = info->user_ptr[1];
5837 struct wireless_dev *wdev = dev->ieee80211_ptr;
5838 struct cfg80211_ap_settings *params;
5841 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5842 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5845 if (!rdev->ops->start_ap)
5848 if (wdev->links[link_id].ap.beacon_interval)
5851 /* these are required for START_AP */
5852 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5853 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5854 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5857 params = kzalloc(sizeof(*params), GFP_KERNEL);
5861 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms->beacon);
5865 params->beacon_interval =
5866 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5867 params->dtim_period =
5868 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5870 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5871 params->beacon_interval);
5876 * In theory, some of these attributes should be required here
5877 * but since they were not used when the command was originally
5878 * added, keep them optional for old user space programs to let
5879 * them continue to work with drivers that do not need the
5880 * additional information -- drivers must check!
5882 if (info->attrs[NL80211_ATTR_SSID]) {
5883 params->ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5885 nla_len(info->attrs[NL80211_ATTR_SSID]);
5886 if (params->ssid_len == 0) {
5891 if (wdev->u.ap.ssid_len &&
5892 (wdev->u.ap.ssid_len != params->ssid_len ||
5893 memcmp(wdev->u.ap.ssid, params->ssid, params->ssid_len))) {
5894 /* require identical SSID for MLO */
5898 } else if (wdev->valid_links) {
5899 /* require SSID for MLO */
5904 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
5905 params->hidden_ssid = nla_get_u32(
5906 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
5908 params->privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5910 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5911 params->auth_type = nla_get_u32(
5912 info->attrs[NL80211_ATTR_AUTH_TYPE]);
5913 if (!nl80211_valid_auth_type(rdev, params->auth_type,
5914 NL80211_CMD_START_AP)) {
5919 params->auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5921 err = nl80211_crypto_settings(rdev, info, ¶ms->crypto,
5922 NL80211_MAX_NR_CIPHER_SUITES);
5926 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
5927 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) {
5931 params->inactivity_timeout = nla_get_u16(
5932 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5935 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5936 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5940 params->p2p_ctwindow =
5941 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5942 if (params->p2p_ctwindow != 0 &&
5943 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) {
5949 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5952 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5956 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5957 params->p2p_opp_ps = tmp;
5958 if (params->p2p_opp_ps != 0 &&
5959 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) {
5965 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
5966 err = nl80211_parse_chandef(rdev, info, ¶ms->chandef);
5969 } else if (wdev->valid_links) {
5970 /* with MLD need to specify the channel configuration */
5973 } else if (wdev->u.ap.preset_chandef.chan) {
5974 params->chandef = wdev->u.ap.preset_chandef;
5975 } else if (!nl80211_get_ap_channel(rdev, params)) {
5980 if (info->attrs[NL80211_ATTR_PUNCT_BITMAP]) {
5981 err = nl80211_parse_punct_bitmap(rdev, info,
5983 ¶ms->punct_bitmap);
5988 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms->chandef,
5996 if (info->attrs[NL80211_ATTR_TX_RATES]) {
5997 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5998 NL80211_ATTR_TX_RATES,
5999 ¶ms->beacon_rate,
6000 dev, false, link_id);
6004 err = validate_beacon_tx_rate(rdev, params->chandef.chan->band,
6005 ¶ms->beacon_rate);
6010 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
6012 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
6013 switch (params->smps_mode) {
6014 case NL80211_SMPS_OFF:
6016 case NL80211_SMPS_STATIC:
6017 if (!(rdev->wiphy.features &
6018 NL80211_FEATURE_STATIC_SMPS)) {
6023 case NL80211_SMPS_DYNAMIC:
6024 if (!(rdev->wiphy.features &
6025 NL80211_FEATURE_DYNAMIC_SMPS)) {
6035 params->smps_mode = NL80211_SMPS_OFF;
6038 params->pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
6039 if (params->pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
6044 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
6045 params->acl = parse_acl_data(&rdev->wiphy, info);
6046 if (IS_ERR(params->acl)) {
6047 err = PTR_ERR(params->acl);
6053 params->twt_responder =
6054 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
6056 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
6057 err = nl80211_parse_he_obss_pd(
6058 info->attrs[NL80211_ATTR_HE_OBSS_PD],
6059 ¶ms->he_obss_pd);
6064 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
6065 err = nl80211_parse_fils_discovery(rdev,
6066 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
6072 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
6073 err = nl80211_parse_unsol_bcast_probe_resp(
6074 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
6080 if (info->attrs[NL80211_ATTR_MBSSID_CONFIG]) {
6081 err = nl80211_parse_mbssid_config(&rdev->wiphy, dev,
6082 info->attrs[NL80211_ATTR_MBSSID_CONFIG],
6083 ¶ms->mbssid_config,
6084 params->beacon.mbssid_ies ?
6085 params->beacon.mbssid_ies->cnt :
6091 err = nl80211_calculate_ap_params(params);
6095 if (info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS])
6096 params->flags = nla_get_u32(
6097 info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS]);
6098 else if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
6099 params->flags |= NL80211_AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
6101 if (wdev->conn_owner_nlportid &&
6102 info->attrs[NL80211_ATTR_SOCKET_OWNER] &&
6103 wdev->conn_owner_nlportid != info->snd_portid) {
6108 /* FIXME: validate MLO/link-id against driver capabilities */
6110 err = rdev_start_ap(rdev, dev, params);
6112 wdev->links[link_id].ap.beacon_interval = params->beacon_interval;
6113 wdev->links[link_id].ap.chandef = params->chandef;
6114 wdev->u.ap.ssid_len = params->ssid_len;
6115 memcpy(wdev->u.ap.ssid, params->ssid,
6118 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
6119 wdev->conn_owner_nlportid = info->snd_portid;
6121 nl80211_send_ap_started(wdev, link_id);
6127 kfree(params->beacon.mbssid_ies);
6128 if (params->mbssid_config.tx_wdev &&
6129 params->mbssid_config.tx_wdev->netdev &&
6130 params->mbssid_config.tx_wdev->netdev != dev)
6131 dev_put(params->mbssid_config.tx_wdev->netdev);
6137 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
6139 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6140 unsigned int link_id = nl80211_link_id(info->attrs);
6141 struct net_device *dev = info->user_ptr[1];
6142 struct wireless_dev *wdev = dev->ieee80211_ptr;
6143 struct cfg80211_beacon_data params;
6146 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6147 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6150 if (!rdev->ops->change_beacon)
6153 if (!wdev->links[link_id].ap.beacon_interval)
6156 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
6161 err = rdev_change_beacon(rdev, dev, ¶ms);
6165 kfree(params.mbssid_ies);
6169 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
6171 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6172 unsigned int link_id = nl80211_link_id(info->attrs);
6173 struct net_device *dev = info->user_ptr[1];
6175 return cfg80211_stop_ap(rdev, dev, link_id, false);
6178 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
6179 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
6180 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
6181 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
6182 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
6183 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
6184 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
6187 static int parse_station_flags(struct genl_info *info,
6188 enum nl80211_iftype iftype,
6189 struct station_parameters *params)
6191 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
6196 * Try parsing the new attribute first so userspace
6197 * can specify both for older kernels.
6199 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
6201 struct nl80211_sta_flag_update *sta_flags;
6203 sta_flags = nla_data(nla);
6204 params->sta_flags_mask = sta_flags->mask;
6205 params->sta_flags_set = sta_flags->set;
6206 params->sta_flags_set &= params->sta_flags_mask;
6207 if ((params->sta_flags_mask |
6208 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
6213 /* if present, parse the old attribute */
6215 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
6219 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
6223 * Only allow certain flags for interface types so that
6224 * other attributes are silently ignored. Remember that
6225 * this is backward compatibility code with old userspace
6226 * and shouldn't be hit in other cases anyway.
6229 case NL80211_IFTYPE_AP:
6230 case NL80211_IFTYPE_AP_VLAN:
6231 case NL80211_IFTYPE_P2P_GO:
6232 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6233 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6234 BIT(NL80211_STA_FLAG_WME) |
6235 BIT(NL80211_STA_FLAG_MFP);
6237 case NL80211_IFTYPE_P2P_CLIENT:
6238 case NL80211_IFTYPE_STATION:
6239 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6240 BIT(NL80211_STA_FLAG_TDLS_PEER);
6242 case NL80211_IFTYPE_MESH_POINT:
6243 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6244 BIT(NL80211_STA_FLAG_MFP) |
6245 BIT(NL80211_STA_FLAG_AUTHORIZED);
6251 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
6253 params->sta_flags_set |= (1<<flag);
6255 /* no longer support new API additions in old API */
6256 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
6264 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
6266 struct nlattr *rate;
6269 enum nl80211_rate_info rate_flg;
6271 rate = nla_nest_start_noflag(msg, attr);
6275 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
6276 bitrate = cfg80211_calculate_bitrate(info);
6277 /* report 16-bit bitrate only if we can */
6278 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
6280 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
6282 if (bitrate_compat > 0 &&
6283 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
6287 case RATE_INFO_BW_5:
6288 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
6290 case RATE_INFO_BW_10:
6291 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
6296 case RATE_INFO_BW_20:
6299 case RATE_INFO_BW_40:
6300 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
6302 case RATE_INFO_BW_80:
6303 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
6305 case RATE_INFO_BW_160:
6306 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
6308 case RATE_INFO_BW_HE_RU:
6310 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
6312 case RATE_INFO_BW_320:
6313 rate_flg = NL80211_RATE_INFO_320_MHZ_WIDTH;
6315 case RATE_INFO_BW_EHT_RU:
6317 WARN_ON(!(info->flags & RATE_INFO_FLAGS_EHT_MCS));
6321 if (rate_flg && nla_put_flag(msg, rate_flg))
6324 if (info->flags & RATE_INFO_FLAGS_MCS) {
6325 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
6327 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6328 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6330 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
6331 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
6333 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
6335 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6336 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6338 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
6339 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
6341 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
6343 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
6345 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
6347 if (info->bw == RATE_INFO_BW_HE_RU &&
6348 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
6351 } else if (info->flags & RATE_INFO_FLAGS_EHT_MCS) {
6352 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_MCS, info->mcs))
6354 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_NSS, info->nss))
6356 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_GI, info->eht_gi))
6358 if (info->bw == RATE_INFO_BW_EHT_RU &&
6359 nla_put_u8(msg, NL80211_RATE_INFO_EHT_RU_ALLOC,
6360 info->eht_ru_alloc))
6364 nla_nest_end(msg, rate);
6368 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
6377 attr = nla_nest_start_noflag(msg, id);
6381 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
6382 if (!(mask & BIT(i)))
6385 if (nla_put_u8(msg, i, signal[i]))
6389 nla_nest_end(msg, attr);
6394 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
6396 struct cfg80211_registered_device *rdev,
6397 struct net_device *dev,
6398 const u8 *mac_addr, struct station_info *sinfo)
6401 struct nlattr *sinfoattr, *bss_param;
6403 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
6405 cfg80211_sinfo_release_content(sinfo);
6409 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6410 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
6411 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
6412 goto nla_put_failure;
6414 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
6416 goto nla_put_failure;
6418 #define PUT_SINFO(attr, memb, type) do { \
6419 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
6420 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6421 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
6423 goto nla_put_failure; \
6425 #define PUT_SINFO_U64(attr, memb) do { \
6426 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6427 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
6428 sinfo->memb, NL80211_STA_INFO_PAD)) \
6429 goto nla_put_failure; \
6432 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
6433 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
6434 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
6436 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
6437 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
6438 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
6439 (u32)sinfo->rx_bytes))
6440 goto nla_put_failure;
6442 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
6443 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
6444 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
6445 (u32)sinfo->tx_bytes))
6446 goto nla_put_failure;
6448 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
6449 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
6450 PUT_SINFO(LLID, llid, u16);
6451 PUT_SINFO(PLID, plid, u16);
6452 PUT_SINFO(PLINK_STATE, plink_state, u8);
6453 PUT_SINFO_U64(RX_DURATION, rx_duration);
6454 PUT_SINFO_U64(TX_DURATION, tx_duration);
6456 if (wiphy_ext_feature_isset(&rdev->wiphy,
6457 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6458 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
6460 switch (rdev->wiphy.signal_type) {
6461 case CFG80211_SIGNAL_TYPE_MBM:
6462 PUT_SINFO(SIGNAL, signal, u8);
6463 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
6468 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
6469 if (!nl80211_put_signal(msg, sinfo->chains,
6470 sinfo->chain_signal,
6471 NL80211_STA_INFO_CHAIN_SIGNAL))
6472 goto nla_put_failure;
6474 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
6475 if (!nl80211_put_signal(msg, sinfo->chains,
6476 sinfo->chain_signal_avg,
6477 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
6478 goto nla_put_failure;
6480 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
6481 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
6482 NL80211_STA_INFO_TX_BITRATE))
6483 goto nla_put_failure;
6485 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
6486 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
6487 NL80211_STA_INFO_RX_BITRATE))
6488 goto nla_put_failure;
6491 PUT_SINFO(RX_PACKETS, rx_packets, u32);
6492 PUT_SINFO(TX_PACKETS, tx_packets, u32);
6493 PUT_SINFO(TX_RETRIES, tx_retries, u32);
6494 PUT_SINFO(TX_FAILED, tx_failed, u32);
6495 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
6496 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
6497 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
6498 PUT_SINFO(LOCAL_PM, local_pm, u32);
6499 PUT_SINFO(PEER_PM, peer_pm, u32);
6500 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
6501 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
6502 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
6504 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
6505 bss_param = nla_nest_start_noflag(msg,
6506 NL80211_STA_INFO_BSS_PARAM);
6508 goto nla_put_failure;
6510 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
6511 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
6512 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
6513 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
6514 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
6515 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
6516 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
6517 sinfo->bss_param.dtim_period) ||
6518 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
6519 sinfo->bss_param.beacon_interval))
6520 goto nla_put_failure;
6522 nla_nest_end(msg, bss_param);
6524 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
6525 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
6526 sizeof(struct nl80211_sta_flag_update),
6528 goto nla_put_failure;
6530 PUT_SINFO_U64(T_OFFSET, t_offset);
6531 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
6532 PUT_SINFO_U64(BEACON_RX, rx_beacon);
6533 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
6534 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
6535 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
6536 if (wiphy_ext_feature_isset(&rdev->wiphy,
6537 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
6538 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
6539 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
6543 #undef PUT_SINFO_U64
6545 if (sinfo->pertid) {
6546 struct nlattr *tidsattr;
6549 tidsattr = nla_nest_start_noflag(msg,
6550 NL80211_STA_INFO_TID_STATS);
6552 goto nla_put_failure;
6554 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
6555 struct cfg80211_tid_stats *tidstats;
6556 struct nlattr *tidattr;
6558 tidstats = &sinfo->pertid[tid];
6560 if (!tidstats->filled)
6563 tidattr = nla_nest_start_noflag(msg, tid + 1);
6565 goto nla_put_failure;
6567 #define PUT_TIDVAL_U64(attr, memb) do { \
6568 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
6569 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
6570 tidstats->memb, NL80211_TID_STATS_PAD)) \
6571 goto nla_put_failure; \
6574 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
6575 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
6576 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
6577 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6579 #undef PUT_TIDVAL_U64
6580 if ((tidstats->filled &
6581 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
6582 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
6583 NL80211_TID_STATS_TXQ_STATS))
6584 goto nla_put_failure;
6586 nla_nest_end(msg, tidattr);
6589 nla_nest_end(msg, tidsattr);
6592 nla_nest_end(msg, sinfoattr);
6594 if (sinfo->assoc_req_ies_len &&
6595 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
6596 sinfo->assoc_req_ies))
6597 goto nla_put_failure;
6599 if (sinfo->assoc_resp_ies_len &&
6600 nla_put(msg, NL80211_ATTR_RESP_IE, sinfo->assoc_resp_ies_len,
6601 sinfo->assoc_resp_ies))
6602 goto nla_put_failure;
6604 if (sinfo->mlo_params_valid) {
6605 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
6606 sinfo->assoc_link_id))
6607 goto nla_put_failure;
6609 if (!is_zero_ether_addr(sinfo->mld_addr) &&
6610 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
6612 goto nla_put_failure;
6615 cfg80211_sinfo_release_content(sinfo);
6616 genlmsg_end(msg, hdr);
6620 cfg80211_sinfo_release_content(sinfo);
6621 genlmsg_cancel(msg, hdr);
6625 static int nl80211_dump_station(struct sk_buff *skb,
6626 struct netlink_callback *cb)
6628 struct station_info sinfo;
6629 struct cfg80211_registered_device *rdev;
6630 struct wireless_dev *wdev;
6631 u8 mac_addr[ETH_ALEN];
6632 int sta_idx = cb->args[2];
6635 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
6638 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6639 __acquire(&rdev->wiphy.mtx);
6641 if (!wdev->netdev) {
6646 if (!rdev->ops->dump_station) {
6652 memset(&sinfo, 0, sizeof(sinfo));
6653 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
6660 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
6661 NETLINK_CB(cb->skb).portid,
6662 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6663 rdev, wdev->netdev, mac_addr,
6671 cb->args[2] = sta_idx;
6674 wiphy_unlock(&rdev->wiphy);
6679 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6681 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6682 struct net_device *dev = info->user_ptr[1];
6683 struct station_info sinfo;
6684 struct sk_buff *msg;
6685 u8 *mac_addr = NULL;
6688 memset(&sinfo, 0, sizeof(sinfo));
6690 if (!info->attrs[NL80211_ATTR_MAC])
6693 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6695 if (!rdev->ops->get_station)
6698 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
6702 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6704 cfg80211_sinfo_release_content(&sinfo);
6708 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6709 info->snd_portid, info->snd_seq, 0,
6710 rdev, dev, mac_addr, &sinfo) < 0) {
6715 return genlmsg_reply(msg, info);
6718 int cfg80211_check_station_change(struct wiphy *wiphy,
6719 struct station_parameters *params,
6720 enum cfg80211_station_type statype)
6722 if (params->listen_interval != -1 &&
6723 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6726 if (params->support_p2p_ps != -1 &&
6727 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6731 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6732 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6735 /* When you run into this, adjust the code below for the new flag */
6736 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6739 case CFG80211_STA_MESH_PEER_KERNEL:
6740 case CFG80211_STA_MESH_PEER_USER:
6742 * No ignoring the TDLS flag here -- the userspace mesh
6743 * code doesn't have the bug of including TDLS in the
6746 if (params->sta_flags_mask &
6747 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6748 BIT(NL80211_STA_FLAG_MFP) |
6749 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6752 case CFG80211_STA_TDLS_PEER_SETUP:
6753 case CFG80211_STA_TDLS_PEER_ACTIVE:
6754 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6756 /* ignore since it can't change */
6757 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6760 /* disallow mesh-specific things */
6761 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6763 if (params->local_pm)
6765 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6769 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6770 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6771 /* TDLS can't be set, ... */
6772 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6775 * ... but don't bother the driver with it. This works around
6776 * a hostapd/wpa_supplicant issue -- it always includes the
6777 * TLDS_PEER flag in the mask even for AP mode.
6779 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6782 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6783 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6784 /* reject other things that can't change */
6785 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6787 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6789 if (params->link_sta_params.supported_rates)
6791 if (params->ext_capab || params->link_sta_params.ht_capa ||
6792 params->link_sta_params.vht_capa ||
6793 params->link_sta_params.he_capa ||
6794 params->link_sta_params.eht_capa)
6798 if (statype != CFG80211_STA_AP_CLIENT &&
6799 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6805 case CFG80211_STA_AP_MLME_CLIENT:
6806 /* Use this only for authorizing/unauthorizing a station */
6807 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6810 case CFG80211_STA_AP_CLIENT:
6811 case CFG80211_STA_AP_CLIENT_UNASSOC:
6812 /* accept only the listed bits */
6813 if (params->sta_flags_mask &
6814 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6815 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6816 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6817 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6818 BIT(NL80211_STA_FLAG_WME) |
6819 BIT(NL80211_STA_FLAG_MFP)))
6822 /* but authenticated/associated only if driver handles it */
6823 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6824 params->sta_flags_mask &
6825 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6826 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6829 case CFG80211_STA_IBSS:
6830 case CFG80211_STA_AP_STA:
6831 /* reject any changes other than AUTHORIZED */
6832 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6835 case CFG80211_STA_TDLS_PEER_SETUP:
6836 /* reject any changes other than AUTHORIZED or WME */
6837 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6838 BIT(NL80211_STA_FLAG_WME)))
6840 /* force (at least) rates when authorizing */
6841 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6842 !params->link_sta_params.supported_rates)
6845 case CFG80211_STA_TDLS_PEER_ACTIVE:
6846 /* reject any changes */
6848 case CFG80211_STA_MESH_PEER_KERNEL:
6849 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6852 case CFG80211_STA_MESH_PEER_USER:
6853 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6854 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
6860 * Older kernel versions ignored this attribute entirely, so don't
6861 * reject attempts to update it but mark it as unused instead so the
6862 * driver won't look at the data.
6864 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6865 statype != CFG80211_STA_TDLS_PEER_SETUP)
6866 params->link_sta_params.opmode_notif_used = false;
6870 EXPORT_SYMBOL(cfg80211_check_station_change);
6873 * Get vlan interface making sure it is running and on the right wiphy.
6875 static struct net_device *get_vlan(struct genl_info *info,
6876 struct cfg80211_registered_device *rdev)
6878 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
6879 struct net_device *v;
6885 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6887 return ERR_PTR(-ENODEV);
6889 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6894 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6895 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6896 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6901 if (!netif_running(v)) {
6909 return ERR_PTR(ret);
6912 static int nl80211_parse_sta_wme(struct genl_info *info,
6913 struct station_parameters *params)
6915 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6919 /* parse WME attributes if present */
6920 if (!info->attrs[NL80211_ATTR_STA_WME])
6923 nla = info->attrs[NL80211_ATTR_STA_WME];
6924 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6925 nl80211_sta_wme_policy,
6930 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6931 params->uapsd_queues = nla_get_u8(
6932 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6933 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6936 if (tb[NL80211_STA_WME_MAX_SP])
6937 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6939 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6942 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6947 static int nl80211_parse_sta_channel_info(struct genl_info *info,
6948 struct station_parameters *params)
6950 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6951 params->supported_channels =
6952 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6953 params->supported_channels_len =
6954 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6956 * Need to include at least one (first channel, number of
6957 * channels) tuple for each subband (checked in policy),
6958 * and must have proper tuples for the rest of the data as well.
6960 if (params->supported_channels_len % 2)
6964 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6965 params->supported_oper_classes =
6966 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6967 params->supported_oper_classes_len =
6968 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6973 static int nl80211_set_station_tdls(struct genl_info *info,
6974 struct station_parameters *params)
6977 /* Dummy STA entry gets updated once the peer capabilities are known */
6978 if (info->attrs[NL80211_ATTR_PEER_AID])
6979 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6980 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6981 params->link_sta_params.ht_capa =
6982 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6983 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6984 params->link_sta_params.vht_capa =
6985 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6986 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6987 params->link_sta_params.he_capa =
6988 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6989 params->link_sta_params.he_capa_len =
6990 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6992 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
6993 params->link_sta_params.eht_capa =
6994 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
6995 params->link_sta_params.eht_capa_len =
6996 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
6998 if (!ieee80211_eht_capa_size_ok((const u8 *)params->link_sta_params.he_capa,
6999 (const u8 *)params->link_sta_params.eht_capa,
7000 params->link_sta_params.eht_capa_len,
7006 err = nl80211_parse_sta_channel_info(info, params);
7010 return nl80211_parse_sta_wme(info, params);
7013 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
7014 struct sta_txpwr *txpwr,
7017 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7020 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
7021 if (!rdev->ops->set_tx_power ||
7022 !wiphy_ext_feature_isset(&rdev->wiphy,
7023 NL80211_EXT_FEATURE_STA_TX_PWR))
7026 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
7027 txpwr->type = nla_get_u8(info->attrs[idx]);
7029 if (txpwr->type == NL80211_TX_POWER_LIMITED) {
7030 idx = NL80211_ATTR_STA_TX_POWER;
7032 if (info->attrs[idx])
7033 txpwr->power = nla_get_s16(info->attrs[idx]);
7046 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
7048 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7049 struct net_device *dev = info->user_ptr[1];
7050 struct station_parameters params;
7054 memset(¶ms, 0, sizeof(params));
7056 if (!rdev->ops->change_station)
7060 * AID and listen_interval properties can be set only for unassociated
7061 * station. Include these parameters here and will check them in
7062 * cfg80211_check_station_change().
7064 if (info->attrs[NL80211_ATTR_STA_AID])
7065 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
7067 if (info->attrs[NL80211_ATTR_VLAN_ID])
7068 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7070 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7071 params.listen_interval =
7072 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
7074 params.listen_interval = -1;
7076 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
7077 params.support_p2p_ps =
7078 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
7080 params.support_p2p_ps = -1;
7082 if (!info->attrs[NL80211_ATTR_MAC])
7085 params.link_sta_params.link_id =
7086 nl80211_link_id_or_invalid(info->attrs);
7088 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7089 /* If MLD_ADDR attribute is set then this is an MLD station
7090 * and the MLD_ADDR attribute holds the MLD address and the
7091 * MAC attribute holds for the LINK address.
7092 * In that case, the link_id is also expected to be valid.
7094 if (params.link_sta_params.link_id < 0)
7097 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7098 params.link_sta_params.mld_mac = mac_addr;
7099 params.link_sta_params.link_mac =
7100 nla_data(info->attrs[NL80211_ATTR_MAC]);
7101 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7104 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7108 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
7109 params.link_sta_params.supported_rates =
7110 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7111 params.link_sta_params.supported_rates_len =
7112 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7115 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7117 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7118 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7121 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7123 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7124 params.ext_capab_len =
7125 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7128 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
7131 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
7132 params.plink_action =
7133 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
7135 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
7136 params.plink_state =
7137 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
7138 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7139 params.peer_aid = nla_get_u16(
7140 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
7141 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
7144 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
7145 params.local_pm = nla_get_u32(
7146 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
7148 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
7149 params.link_sta_params.opmode_notif_used = true;
7150 params.link_sta_params.opmode_notif =
7151 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7154 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
7155 params.link_sta_params.he_6ghz_capa =
7156 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7158 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7159 params.airtime_weight =
7160 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7162 if (params.airtime_weight &&
7163 !wiphy_ext_feature_isset(&rdev->wiphy,
7164 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7167 err = nl80211_parse_sta_txpower_setting(info,
7168 ¶ms.link_sta_params.txpwr,
7169 ¶ms.link_sta_params.txpwr_set);
7173 /* Include parameters for TDLS peer (will check later) */
7174 err = nl80211_set_station_tdls(info, ¶ms);
7178 params.vlan = get_vlan(info, rdev);
7179 if (IS_ERR(params.vlan))
7180 return PTR_ERR(params.vlan);
7182 switch (dev->ieee80211_ptr->iftype) {
7183 case NL80211_IFTYPE_AP:
7184 case NL80211_IFTYPE_AP_VLAN:
7185 case NL80211_IFTYPE_P2P_GO:
7186 case NL80211_IFTYPE_P2P_CLIENT:
7187 case NL80211_IFTYPE_STATION:
7188 case NL80211_IFTYPE_ADHOC:
7189 case NL80211_IFTYPE_MESH_POINT:
7196 /* driver will call cfg80211_check_station_change() */
7197 wdev_lock(dev->ieee80211_ptr);
7198 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
7199 wdev_unlock(dev->ieee80211_ptr);
7202 dev_put(params.vlan);
7207 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
7209 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7211 struct net_device *dev = info->user_ptr[1];
7212 struct wireless_dev *wdev = dev->ieee80211_ptr;
7213 struct station_parameters params;
7214 u8 *mac_addr = NULL;
7215 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
7216 BIT(NL80211_STA_FLAG_ASSOCIATED);
7218 memset(¶ms, 0, sizeof(params));
7220 if (!rdev->ops->add_station)
7223 if (!info->attrs[NL80211_ATTR_MAC])
7226 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7229 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
7232 if (!info->attrs[NL80211_ATTR_STA_AID] &&
7233 !info->attrs[NL80211_ATTR_PEER_AID])
7236 params.link_sta_params.link_id =
7237 nl80211_link_id_or_invalid(info->attrs);
7239 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7240 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7241 params.link_sta_params.mld_mac = mac_addr;
7242 params.link_sta_params.link_mac =
7243 nla_data(info->attrs[NL80211_ATTR_MAC]);
7244 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7247 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7250 params.link_sta_params.supported_rates =
7251 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7252 params.link_sta_params.supported_rates_len =
7253 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7254 params.listen_interval =
7255 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
7257 if (info->attrs[NL80211_ATTR_VLAN_ID])
7258 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7260 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
7261 params.support_p2p_ps =
7262 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
7265 * if not specified, assume it's supported for P2P GO interface,
7266 * and is NOT supported for AP interface
7268 params.support_p2p_ps =
7269 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
7272 if (info->attrs[NL80211_ATTR_PEER_AID])
7273 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
7275 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
7277 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7279 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7280 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7283 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7285 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7286 params.ext_capab_len =
7287 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7290 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
7291 params.link_sta_params.ht_capa =
7292 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
7294 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
7295 params.link_sta_params.vht_capa =
7296 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
7298 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
7299 params.link_sta_params.he_capa =
7300 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7301 params.link_sta_params.he_capa_len =
7302 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7304 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
7305 params.link_sta_params.eht_capa =
7306 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7307 params.link_sta_params.eht_capa_len =
7308 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7310 if (!ieee80211_eht_capa_size_ok((const u8 *)params.link_sta_params.he_capa,
7311 (const u8 *)params.link_sta_params.eht_capa,
7312 params.link_sta_params.eht_capa_len,
7318 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
7319 params.link_sta_params.he_6ghz_capa =
7320 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7322 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
7323 params.link_sta_params.opmode_notif_used = true;
7324 params.link_sta_params.opmode_notif =
7325 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7328 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
7329 params.plink_action =
7330 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
7332 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7333 params.airtime_weight =
7334 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7336 if (params.airtime_weight &&
7337 !wiphy_ext_feature_isset(&rdev->wiphy,
7338 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7341 err = nl80211_parse_sta_txpower_setting(info,
7342 ¶ms.link_sta_params.txpwr,
7343 ¶ms.link_sta_params.txpwr_set);
7347 err = nl80211_parse_sta_channel_info(info, ¶ms);
7351 err = nl80211_parse_sta_wme(info, ¶ms);
7355 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
7358 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
7359 * as userspace might just pass through the capabilities from the IEs
7360 * directly, rather than enforcing this restriction and returning an
7361 * error in this case.
7363 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
7364 params.link_sta_params.ht_capa = NULL;
7365 params.link_sta_params.vht_capa = NULL;
7367 /* HE and EHT require WME */
7368 if (params.link_sta_params.he_capa_len ||
7369 params.link_sta_params.he_6ghz_capa ||
7370 params.link_sta_params.eht_capa_len)
7374 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
7375 if (params.link_sta_params.he_6ghz_capa &&
7376 (params.link_sta_params.ht_capa || params.link_sta_params.vht_capa))
7379 /* When you run into this, adjust the code below for the new flag */
7380 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
7382 switch (dev->ieee80211_ptr->iftype) {
7383 case NL80211_IFTYPE_AP:
7384 case NL80211_IFTYPE_AP_VLAN:
7385 case NL80211_IFTYPE_P2P_GO:
7386 /* ignore WME attributes if iface/sta is not capable */
7387 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
7388 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
7389 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7391 /* TDLS peers cannot be added */
7392 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7393 info->attrs[NL80211_ATTR_PEER_AID])
7395 /* but don't bother the driver with it */
7396 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
7398 /* allow authenticated/associated only if driver handles it */
7399 if (!(rdev->wiphy.features &
7400 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
7401 params.sta_flags_mask & auth_assoc)
7404 /* Older userspace, or userspace wanting to be compatible with
7405 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
7406 * and assoc flags in the mask, but assumes the station will be
7407 * added as associated anyway since this was the required driver
7408 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
7410 * In order to not bother drivers with this quirk in the API
7411 * set the flags in both the mask and set for new stations in
7414 if (!(params.sta_flags_mask & auth_assoc)) {
7415 params.sta_flags_mask |= auth_assoc;
7416 params.sta_flags_set |= auth_assoc;
7419 /* must be last in here for error handling */
7420 params.vlan = get_vlan(info, rdev);
7421 if (IS_ERR(params.vlan))
7422 return PTR_ERR(params.vlan);
7424 case NL80211_IFTYPE_MESH_POINT:
7425 /* ignore uAPSD data */
7426 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7428 /* associated is disallowed */
7429 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
7431 /* TDLS peers cannot be added */
7432 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7433 info->attrs[NL80211_ATTR_PEER_AID])
7436 case NL80211_IFTYPE_STATION:
7437 case NL80211_IFTYPE_P2P_CLIENT:
7438 /* ignore uAPSD data */
7439 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7441 /* these are disallowed */
7442 if (params.sta_flags_mask &
7443 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
7444 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
7446 /* Only TDLS peers can be added */
7447 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
7449 /* Can only add if TDLS ... */
7450 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
7452 /* ... with external setup is supported */
7453 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
7456 * Older wpa_supplicant versions always mark the TDLS peer
7457 * as authorized, but it shouldn't yet be.
7459 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
7465 /* be aware of params.vlan when changing code here */
7467 wdev_lock(dev->ieee80211_ptr);
7468 if (wdev->valid_links) {
7469 if (params.link_sta_params.link_id < 0) {
7473 if (!(wdev->valid_links & BIT(params.link_sta_params.link_id))) {
7478 if (params.link_sta_params.link_id >= 0) {
7483 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
7485 wdev_unlock(dev->ieee80211_ptr);
7486 dev_put(params.vlan);
7490 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
7492 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7493 struct net_device *dev = info->user_ptr[1];
7494 struct station_del_parameters params;
7497 memset(¶ms, 0, sizeof(params));
7499 if (info->attrs[NL80211_ATTR_MAC])
7500 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
7502 switch (dev->ieee80211_ptr->iftype) {
7503 case NL80211_IFTYPE_AP:
7504 case NL80211_IFTYPE_AP_VLAN:
7505 case NL80211_IFTYPE_MESH_POINT:
7506 case NL80211_IFTYPE_P2P_GO:
7507 /* always accept these */
7509 case NL80211_IFTYPE_ADHOC:
7510 /* conditionally accept */
7511 if (wiphy_ext_feature_isset(&rdev->wiphy,
7512 NL80211_EXT_FEATURE_DEL_IBSS_STA))
7519 if (!rdev->ops->del_station)
7522 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
7524 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
7525 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
7526 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
7529 /* Default to Deauthentication frame */
7530 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
7533 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
7534 params.reason_code =
7535 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7536 if (params.reason_code == 0)
7537 return -EINVAL; /* 0 is reserved */
7539 /* Default to reason code 2 */
7540 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
7543 wdev_lock(dev->ieee80211_ptr);
7544 ret = rdev_del_station(rdev, dev, ¶ms);
7545 wdev_unlock(dev->ieee80211_ptr);
7550 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
7551 int flags, struct net_device *dev,
7552 u8 *dst, u8 *next_hop,
7553 struct mpath_info *pinfo)
7556 struct nlattr *pinfoattr;
7558 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
7562 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7563 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7564 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
7565 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
7566 goto nla_put_failure;
7568 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
7570 goto nla_put_failure;
7571 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
7572 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
7574 goto nla_put_failure;
7575 if (((pinfo->filled & MPATH_INFO_SN) &&
7576 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
7577 ((pinfo->filled & MPATH_INFO_METRIC) &&
7578 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
7580 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
7581 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
7583 ((pinfo->filled & MPATH_INFO_FLAGS) &&
7584 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
7586 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
7587 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
7588 pinfo->discovery_timeout)) ||
7589 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
7590 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
7591 pinfo->discovery_retries)) ||
7592 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
7593 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
7594 pinfo->hop_count)) ||
7595 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
7596 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
7597 pinfo->path_change_count)))
7598 goto nla_put_failure;
7600 nla_nest_end(msg, pinfoattr);
7602 genlmsg_end(msg, hdr);
7606 genlmsg_cancel(msg, hdr);
7610 static int nl80211_dump_mpath(struct sk_buff *skb,
7611 struct netlink_callback *cb)
7613 struct mpath_info pinfo;
7614 struct cfg80211_registered_device *rdev;
7615 struct wireless_dev *wdev;
7617 u8 next_hop[ETH_ALEN];
7618 int path_idx = cb->args[2];
7621 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7624 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7625 __acquire(&rdev->wiphy.mtx);
7627 if (!rdev->ops->dump_mpath) {
7632 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7638 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
7645 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7646 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7647 wdev->netdev, dst, next_hop,
7655 cb->args[2] = path_idx;
7658 wiphy_unlock(&rdev->wiphy);
7662 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
7664 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7666 struct net_device *dev = info->user_ptr[1];
7667 struct mpath_info pinfo;
7668 struct sk_buff *msg;
7670 u8 next_hop[ETH_ALEN];
7672 memset(&pinfo, 0, sizeof(pinfo));
7674 if (!info->attrs[NL80211_ATTR_MAC])
7677 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7679 if (!rdev->ops->get_mpath)
7682 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7685 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
7689 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7693 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7694 dev, dst, next_hop, &pinfo) < 0) {
7699 return genlmsg_reply(msg, info);
7702 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
7704 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7705 struct net_device *dev = info->user_ptr[1];
7707 u8 *next_hop = NULL;
7709 if (!info->attrs[NL80211_ATTR_MAC])
7712 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7715 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7716 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7718 if (!rdev->ops->change_mpath)
7721 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7724 return rdev_change_mpath(rdev, dev, dst, next_hop);
7727 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
7729 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7730 struct net_device *dev = info->user_ptr[1];
7732 u8 *next_hop = NULL;
7734 if (!info->attrs[NL80211_ATTR_MAC])
7737 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7740 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7741 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7743 if (!rdev->ops->add_mpath)
7746 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7749 return rdev_add_mpath(rdev, dev, dst, next_hop);
7752 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7754 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7755 struct net_device *dev = info->user_ptr[1];
7758 if (info->attrs[NL80211_ATTR_MAC])
7759 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7761 if (!rdev->ops->del_mpath)
7764 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7767 return rdev_del_mpath(rdev, dev, dst);
7770 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7772 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7774 struct net_device *dev = info->user_ptr[1];
7775 struct mpath_info pinfo;
7776 struct sk_buff *msg;
7780 memset(&pinfo, 0, sizeof(pinfo));
7782 if (!info->attrs[NL80211_ATTR_MAC])
7785 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7787 if (!rdev->ops->get_mpp)
7790 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7793 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7797 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7801 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7802 dev, dst, mpp, &pinfo) < 0) {
7807 return genlmsg_reply(msg, info);
7810 static int nl80211_dump_mpp(struct sk_buff *skb,
7811 struct netlink_callback *cb)
7813 struct mpath_info pinfo;
7814 struct cfg80211_registered_device *rdev;
7815 struct wireless_dev *wdev;
7818 int path_idx = cb->args[2];
7821 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7824 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7825 __acquire(&rdev->wiphy.mtx);
7827 if (!rdev->ops->dump_mpp) {
7832 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7838 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7845 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7846 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7847 wdev->netdev, dst, mpp,
7855 cb->args[2] = path_idx;
7858 wiphy_unlock(&rdev->wiphy);
7862 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7864 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7865 struct net_device *dev = info->user_ptr[1];
7866 struct wireless_dev *wdev = dev->ieee80211_ptr;
7867 struct bss_parameters params;
7870 memset(¶ms, 0, sizeof(params));
7871 params.link_id = nl80211_link_id_or_invalid(info->attrs);
7872 /* default to not changing parameters */
7873 params.use_cts_prot = -1;
7874 params.use_short_preamble = -1;
7875 params.use_short_slot_time = -1;
7876 params.ap_isolate = -1;
7877 params.ht_opmode = -1;
7878 params.p2p_ctwindow = -1;
7879 params.p2p_opp_ps = -1;
7881 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7882 params.use_cts_prot =
7883 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7884 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7885 params.use_short_preamble =
7886 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7887 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7888 params.use_short_slot_time =
7889 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
7890 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7891 params.basic_rates =
7892 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7893 params.basic_rates_len =
7894 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7896 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7897 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
7898 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7900 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
7902 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7903 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7905 params.p2p_ctwindow =
7906 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
7907 if (params.p2p_ctwindow != 0 &&
7908 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7912 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7915 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7917 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
7918 params.p2p_opp_ps = tmp;
7919 if (params.p2p_opp_ps &&
7920 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7924 if (!rdev->ops->change_bss)
7927 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7928 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7932 err = rdev_change_bss(rdev, dev, ¶ms);
7938 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7942 enum nl80211_user_reg_hint_type user_reg_hint_type;
7946 * You should only get this when cfg80211 hasn't yet initialized
7947 * completely when built-in to the kernel right between the time
7948 * window between nl80211_init() and regulatory_init(), if that is
7951 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
7952 return -EINPROGRESS;
7954 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7955 user_reg_hint_type =
7956 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7958 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7960 switch (user_reg_hint_type) {
7961 case NL80211_USER_REG_HINT_USER:
7962 case NL80211_USER_REG_HINT_CELL_BASE:
7963 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7966 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7967 return regulatory_hint_user(data, user_reg_hint_type);
7968 case NL80211_USER_REG_HINT_INDOOR:
7969 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7970 owner_nlportid = info->snd_portid;
7971 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7977 return regulatory_hint_indoor(is_indoor, owner_nlportid);
7983 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7985 return reg_reload_regdb();
7988 static int nl80211_get_mesh_config(struct sk_buff *skb,
7989 struct genl_info *info)
7991 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7992 struct net_device *dev = info->user_ptr[1];
7993 struct wireless_dev *wdev = dev->ieee80211_ptr;
7994 struct mesh_config cur_params;
7997 struct nlattr *pinfoattr;
7998 struct sk_buff *msg;
8000 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8003 if (!rdev->ops->get_mesh_config)
8007 /* If not connected, get default parameters */
8008 if (!wdev->u.mesh.id_len)
8009 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
8011 err = rdev_get_mesh_config(rdev, dev, &cur_params);
8017 /* Draw up a netlink message to send back */
8018 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8021 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8022 NL80211_CMD_GET_MESH_CONFIG);
8025 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
8027 goto nla_put_failure;
8028 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
8029 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
8030 cur_params.dot11MeshRetryTimeout) ||
8031 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
8032 cur_params.dot11MeshConfirmTimeout) ||
8033 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
8034 cur_params.dot11MeshHoldingTimeout) ||
8035 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8036 cur_params.dot11MeshMaxPeerLinks) ||
8037 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
8038 cur_params.dot11MeshMaxRetries) ||
8039 nla_put_u8(msg, NL80211_MESHCONF_TTL,
8040 cur_params.dot11MeshTTL) ||
8041 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
8042 cur_params.element_ttl) ||
8043 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8044 cur_params.auto_open_plinks) ||
8045 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
8046 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
8047 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8048 cur_params.dot11MeshHWMPmaxPREQretries) ||
8049 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
8050 cur_params.path_refresh_time) ||
8051 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8052 cur_params.min_discovery_timeout) ||
8053 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
8054 cur_params.dot11MeshHWMPactivePathTimeout) ||
8055 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
8056 cur_params.dot11MeshHWMPpreqMinInterval) ||
8057 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
8058 cur_params.dot11MeshHWMPperrMinInterval) ||
8059 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
8060 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
8061 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
8062 cur_params.dot11MeshHWMPRootMode) ||
8063 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8064 cur_params.dot11MeshHWMPRannInterval) ||
8065 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
8066 cur_params.dot11MeshGateAnnouncementProtocol) ||
8067 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
8068 cur_params.dot11MeshForwarding) ||
8069 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
8070 cur_params.rssi_threshold) ||
8071 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
8072 cur_params.ht_opmode) ||
8073 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8074 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
8075 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
8076 cur_params.dot11MeshHWMProotInterval) ||
8077 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
8078 cur_params.dot11MeshHWMPconfirmationInterval) ||
8079 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
8080 cur_params.power_mode) ||
8081 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8082 cur_params.dot11MeshAwakeWindowDuration) ||
8083 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
8084 cur_params.plink_timeout) ||
8085 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
8086 cur_params.dot11MeshConnectedToMeshGate) ||
8087 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
8088 cur_params.dot11MeshNolearn) ||
8089 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
8090 cur_params.dot11MeshConnectedToAuthServer))
8091 goto nla_put_failure;
8092 nla_nest_end(msg, pinfoattr);
8093 genlmsg_end(msg, hdr);
8094 return genlmsg_reply(msg, info);
8102 static const struct nla_policy
8103 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
8104 [NL80211_MESHCONF_RETRY_TIMEOUT] =
8105 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8106 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
8107 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8108 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
8109 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8110 [NL80211_MESHCONF_MAX_PEER_LINKS] =
8111 NLA_POLICY_RANGE(NLA_U16, 0, 255),
8112 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
8113 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8114 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8115 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
8116 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
8117 NLA_POLICY_RANGE(NLA_U32, 1, 255),
8118 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
8119 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
8120 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
8121 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
8122 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
8123 NLA_POLICY_MIN(NLA_U16, 1),
8124 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
8125 NLA_POLICY_MIN(NLA_U16, 1),
8126 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
8127 NLA_POLICY_MIN(NLA_U16, 1),
8128 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
8129 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
8130 NLA_POLICY_MIN(NLA_U16, 1),
8131 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
8132 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
8133 [NL80211_MESHCONF_RSSI_THRESHOLD] =
8134 NLA_POLICY_RANGE(NLA_S32, -255, 0),
8135 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
8136 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
8137 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
8138 NLA_POLICY_MIN(NLA_U16, 1),
8139 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
8140 NLA_POLICY_MIN(NLA_U16, 1),
8141 [NL80211_MESHCONF_POWER_MODE] =
8142 NLA_POLICY_RANGE(NLA_U32,
8143 NL80211_MESH_POWER_ACTIVE,
8144 NL80211_MESH_POWER_MAX),
8145 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8146 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
8147 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8148 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8149 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8152 static const struct nla_policy
8153 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
8154 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
8155 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
8156 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
8157 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
8158 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
8159 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
8160 [NL80211_MESH_SETUP_IE] =
8161 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
8162 IEEE80211_MAX_DATA_LEN),
8163 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
8166 static int nl80211_parse_mesh_config(struct genl_info *info,
8167 struct mesh_config *cfg,
8170 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
8174 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
8177 cfg->param = fn(tb[attr]); \
8178 mask |= BIT((attr) - 1); \
8182 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
8184 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
8187 /* This makes sure that there aren't more than 32 mesh config
8188 * parameters (otherwise our bitfield scheme would not work.) */
8189 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
8191 /* Fill in the params struct */
8192 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
8193 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
8194 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
8195 NL80211_MESHCONF_CONFIRM_TIMEOUT,
8197 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
8198 NL80211_MESHCONF_HOLDING_TIMEOUT,
8200 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
8201 NL80211_MESHCONF_MAX_PEER_LINKS,
8203 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
8204 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
8205 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
8206 NL80211_MESHCONF_TTL, nla_get_u8);
8207 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
8208 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
8209 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
8210 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8212 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
8214 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
8216 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
8217 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8219 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
8220 NL80211_MESHCONF_PATH_REFRESH_TIME,
8222 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
8223 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
8225 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
8226 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8228 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
8230 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
8232 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
8233 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
8234 cfg->dot11MeshHWMPactivePathTimeout > 65535))
8236 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
8237 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
8239 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
8240 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
8242 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
8243 dot11MeshHWMPnetDiameterTraversalTime, mask,
8244 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
8246 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
8247 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
8248 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
8249 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8251 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
8252 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
8254 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
8255 NL80211_MESHCONF_FORWARDING, nla_get_u8);
8256 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
8257 NL80211_MESHCONF_RSSI_THRESHOLD,
8259 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
8260 NL80211_MESHCONF_CONNECTED_TO_GATE,
8262 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
8263 NL80211_MESHCONF_CONNECTED_TO_AS,
8266 * Check HT operation mode based on
8267 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
8269 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
8270 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
8272 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
8273 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
8274 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
8277 /* NON_HT_STA bit is reserved, but some programs set it */
8278 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
8280 cfg->ht_opmode = ht_opmode;
8281 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
8283 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
8284 dot11MeshHWMPactivePathToRootTimeout, mask,
8285 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8287 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
8288 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
8289 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
8291 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
8292 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
8294 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
8296 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
8298 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
8299 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
8300 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
8301 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
8302 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
8303 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
8304 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
8305 NL80211_MESHCONF_NOLEARN, nla_get_u8);
8311 #undef FILL_IN_MESH_PARAM_IF_SET
8314 static int nl80211_parse_mesh_setup(struct genl_info *info,
8315 struct mesh_setup *setup)
8317 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8318 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
8320 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
8322 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
8325 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
8326 setup->sync_method =
8327 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
8328 IEEE80211_SYNC_METHOD_VENDOR :
8329 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
8331 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
8332 setup->path_sel_proto =
8333 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
8334 IEEE80211_PATH_PROTOCOL_VENDOR :
8335 IEEE80211_PATH_PROTOCOL_HWMP;
8337 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
8338 setup->path_metric =
8339 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
8340 IEEE80211_PATH_METRIC_VENDOR :
8341 IEEE80211_PATH_METRIC_AIRTIME;
8343 if (tb[NL80211_MESH_SETUP_IE]) {
8344 struct nlattr *ieattr =
8345 tb[NL80211_MESH_SETUP_IE];
8346 setup->ie = nla_data(ieattr);
8347 setup->ie_len = nla_len(ieattr);
8349 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
8350 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
8352 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
8353 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
8354 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
8355 if (setup->is_secure)
8356 setup->user_mpm = true;
8358 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
8359 if (!setup->user_mpm)
8362 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
8368 static int nl80211_update_mesh_config(struct sk_buff *skb,
8369 struct genl_info *info)
8371 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8372 struct net_device *dev = info->user_ptr[1];
8373 struct wireless_dev *wdev = dev->ieee80211_ptr;
8374 struct mesh_config cfg;
8378 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8381 if (!rdev->ops->update_mesh_config)
8384 err = nl80211_parse_mesh_config(info, &cfg, &mask);
8389 if (!wdev->u.mesh.id_len)
8393 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
8400 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
8401 struct sk_buff *msg)
8403 struct nlattr *nl_reg_rules;
8406 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
8407 (regdom->dfs_region &&
8408 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
8409 goto nla_put_failure;
8411 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
8413 goto nla_put_failure;
8415 for (i = 0; i < regdom->n_reg_rules; i++) {
8416 struct nlattr *nl_reg_rule;
8417 const struct ieee80211_reg_rule *reg_rule;
8418 const struct ieee80211_freq_range *freq_range;
8419 const struct ieee80211_power_rule *power_rule;
8420 unsigned int max_bandwidth_khz;
8422 reg_rule = ®dom->reg_rules[i];
8423 freq_range = ®_rule->freq_range;
8424 power_rule = ®_rule->power_rule;
8426 nl_reg_rule = nla_nest_start_noflag(msg, i);
8428 goto nla_put_failure;
8430 max_bandwidth_khz = freq_range->max_bandwidth_khz;
8431 if (!max_bandwidth_khz)
8432 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
8435 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
8437 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
8438 freq_range->start_freq_khz) ||
8439 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
8440 freq_range->end_freq_khz) ||
8441 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
8442 max_bandwidth_khz) ||
8443 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
8444 power_rule->max_antenna_gain) ||
8445 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
8446 power_rule->max_eirp) ||
8447 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
8448 reg_rule->dfs_cac_ms))
8449 goto nla_put_failure;
8451 nla_nest_end(msg, nl_reg_rule);
8454 nla_nest_end(msg, nl_reg_rules);
8461 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
8463 const struct ieee80211_regdomain *regdom = NULL;
8464 struct cfg80211_registered_device *rdev;
8465 struct wiphy *wiphy = NULL;
8466 struct sk_buff *msg;
8467 int err = -EMSGSIZE;
8470 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8474 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8475 NL80211_CMD_GET_REG);
8481 if (info->attrs[NL80211_ATTR_WIPHY]) {
8484 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8486 err = PTR_ERR(rdev);
8487 goto nla_put_failure;
8490 wiphy = &rdev->wiphy;
8491 self_managed = wiphy->regulatory_flags &
8492 REGULATORY_WIPHY_SELF_MANAGED;
8496 regdom = get_wiphy_regdom(wiphy);
8498 /* a self-managed-reg device must have a private regdom */
8499 if (WARN_ON(!regdom && self_managed)) {
8501 goto nla_put_failure_rcu;
8505 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8506 goto nla_put_failure_rcu;
8511 if (!wiphy && reg_last_request_cell_base() &&
8512 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8513 NL80211_USER_REG_HINT_CELL_BASE))
8514 goto nla_put_failure_rcu;
8517 regdom = rcu_dereference(cfg80211_regdomain);
8519 if (nl80211_put_regdom(regdom, msg))
8520 goto nla_put_failure_rcu;
8524 genlmsg_end(msg, hdr);
8526 return genlmsg_reply(msg, info);
8528 nla_put_failure_rcu:
8537 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
8538 u32 seq, int flags, struct wiphy *wiphy,
8539 const struct ieee80211_regdomain *regdom)
8541 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8542 NL80211_CMD_GET_REG);
8547 genl_dump_check_consistent(cb, hdr);
8549 if (nl80211_put_regdom(regdom, msg))
8550 goto nla_put_failure;
8552 if (!wiphy && reg_last_request_cell_base() &&
8553 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8554 NL80211_USER_REG_HINT_CELL_BASE))
8555 goto nla_put_failure;
8558 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8559 goto nla_put_failure;
8561 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
8562 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
8563 goto nla_put_failure;
8565 genlmsg_end(msg, hdr);
8569 genlmsg_cancel(msg, hdr);
8573 static int nl80211_get_reg_dump(struct sk_buff *skb,
8574 struct netlink_callback *cb)
8576 const struct ieee80211_regdomain *regdom = NULL;
8577 struct cfg80211_registered_device *rdev;
8578 int err, reg_idx, start = cb->args[2];
8582 if (cfg80211_regdomain && start == 0) {
8583 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8585 rcu_dereference(cfg80211_regdomain));
8590 /* the global regdom is idx 0 */
8592 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
8593 regdom = get_wiphy_regdom(&rdev->wiphy);
8597 if (++reg_idx <= start)
8600 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8601 NLM_F_MULTI, &rdev->wiphy, regdom);
8608 cb->args[2] = reg_idx;
8615 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
8616 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
8617 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
8618 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
8619 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
8620 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
8621 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
8622 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
8623 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
8626 static int parse_reg_rule(struct nlattr *tb[],
8627 struct ieee80211_reg_rule *reg_rule)
8629 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
8630 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
8632 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
8634 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
8636 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
8638 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
8640 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
8643 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
8645 freq_range->start_freq_khz =
8646 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
8647 freq_range->end_freq_khz =
8648 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
8649 freq_range->max_bandwidth_khz =
8650 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
8652 power_rule->max_eirp =
8653 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
8655 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
8656 power_rule->max_antenna_gain =
8657 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
8659 if (tb[NL80211_ATTR_DFS_CAC_TIME])
8660 reg_rule->dfs_cac_ms =
8661 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
8666 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
8668 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
8669 struct nlattr *nl_reg_rule;
8671 int rem_reg_rules, r;
8672 u32 num_rules = 0, rule_idx = 0;
8673 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
8674 struct ieee80211_regdomain *rd;
8676 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8679 if (!info->attrs[NL80211_ATTR_REG_RULES])
8682 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8684 if (info->attrs[NL80211_ATTR_DFS_REGION])
8685 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
8687 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8690 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
8695 if (!reg_is_valid_request(alpha2)) {
8700 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
8706 rd->n_reg_rules = num_rules;
8707 rd->alpha2[0] = alpha2[0];
8708 rd->alpha2[1] = alpha2[1];
8711 * Disable DFS master mode if the DFS region was
8712 * not supported or known on this kernel.
8714 if (reg_supported_dfs_region(dfs_region))
8715 rd->dfs_region = dfs_region;
8717 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8719 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
8720 nl_reg_rule, reg_rule_policy,
8724 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
8730 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
8736 r = set_regdom(rd, REGD_SOURCE_CRDA);
8737 /* set_regdom takes ownership of rd */
8745 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
8747 static int validate_scan_freqs(struct nlattr *freqs)
8749 struct nlattr *attr1, *attr2;
8750 int n_channels = 0, tmp1, tmp2;
8752 nla_for_each_nested(attr1, freqs, tmp1)
8753 if (nla_len(attr1) != sizeof(u32))
8756 nla_for_each_nested(attr1, freqs, tmp1) {
8759 * Some hardware has a limited channel list for
8760 * scanning, and it is pretty much nonsensical
8761 * to scan for a channel twice, so disallow that
8762 * and don't require drivers to check that the
8763 * channel list they get isn't longer than what
8764 * they can scan, as long as they can scan all
8765 * the channels they registered at once.
8767 nla_for_each_nested(attr2, freqs, tmp2)
8768 if (attr1 != attr2 &&
8769 nla_get_u32(attr1) == nla_get_u32(attr2))
8776 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
8778 return b < NUM_NL80211_BANDS && wiphy->bands[b];
8781 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8782 struct cfg80211_bss_selection *bss_select)
8784 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8785 struct nlattr *nest;
8790 /* only process one nested attribute */
8791 nest = nla_data(nla);
8792 if (!nla_ok(nest, nla_len(nest)))
8795 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8796 nest, nl80211_bss_select_policy,
8801 /* only one attribute may be given */
8802 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8810 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8812 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8813 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8815 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8816 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8817 bss_select->param.band_pref =
8818 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8819 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8823 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8824 struct nl80211_bss_select_rssi_adjust *adj_param;
8826 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8827 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8828 bss_select->param.adjust.band = adj_param->band;
8829 bss_select->param.adjust.delta = adj_param->delta;
8830 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8834 /* user-space did not provide behaviour attribute */
8835 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8838 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8844 int nl80211_parse_random_mac(struct nlattr **attrs,
8845 u8 *mac_addr, u8 *mac_addr_mask)
8849 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
8850 eth_zero_addr(mac_addr);
8851 eth_zero_addr(mac_addr_mask);
8853 mac_addr_mask[0] = 0x3;
8858 /* need both or none */
8859 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8862 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8863 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8865 /* don't allow or configure an mcast address */
8866 if (!is_multicast_ether_addr(mac_addr_mask) ||
8867 is_multicast_ether_addr(mac_addr))
8871 * allow users to pass a MAC address that has bits set outside
8872 * of the mask, but don't bother drivers with having to deal
8875 for (i = 0; i < ETH_ALEN; i++)
8876 mac_addr[i] &= mac_addr_mask[i];
8881 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev,
8882 struct ieee80211_channel *chan)
8884 unsigned int link_id;
8887 ASSERT_WDEV_LOCK(wdev);
8889 if (!cfg80211_beaconing_iface_active(wdev))
8893 * FIXME: check if we have a free HW resource/link for chan
8895 * This, as well as the FIXME below, requires knowing the link
8896 * capabilities of the hardware.
8899 /* we cannot leave radar channels */
8900 for_each_valid_link(wdev, link_id) {
8901 struct cfg80211_chan_def *chandef;
8903 chandef = wdev_chandef(wdev, link_id);
8908 * FIXME: don't require all_ok, but rather check only the
8909 * correct HW resource/link onto which 'chan' falls,
8910 * as only that link leaves the channel for doing
8911 * the off-channel operation.
8914 if (chandef->chan->flags & IEEE80211_CHAN_RADAR)
8921 return regulatory_pre_cac_allowed(wdev->wiphy);
8924 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
8925 enum nl80211_ext_feature_index feat)
8927 if (!(flags & flag))
8929 if (wiphy_ext_feature_isset(wiphy, feat))
8935 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
8936 void *request, struct nlattr **attrs,
8939 u8 *mac_addr, *mac_addr_mask;
8941 enum nl80211_feature_flags randomness_flag;
8943 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
8946 if (is_sched_scan) {
8947 struct cfg80211_sched_scan_request *req = request;
8949 randomness_flag = wdev ?
8950 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8951 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8952 flags = &req->flags;
8953 mac_addr = req->mac_addr;
8954 mac_addr_mask = req->mac_addr_mask;
8956 struct cfg80211_scan_request *req = request;
8958 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8959 flags = &req->flags;
8960 mac_addr = req->mac_addr;
8961 mac_addr_mask = req->mac_addr_mask;
8964 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8966 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8967 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
8968 !nl80211_check_scan_feat(wiphy, *flags,
8969 NL80211_SCAN_FLAG_LOW_SPAN,
8970 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8971 !nl80211_check_scan_feat(wiphy, *flags,
8972 NL80211_SCAN_FLAG_LOW_POWER,
8973 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8974 !nl80211_check_scan_feat(wiphy, *flags,
8975 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8976 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8977 !nl80211_check_scan_feat(wiphy, *flags,
8978 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8979 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8980 !nl80211_check_scan_feat(wiphy, *flags,
8981 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8982 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8983 !nl80211_check_scan_feat(wiphy, *flags,
8984 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8985 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8986 !nl80211_check_scan_feat(wiphy, *flags,
8987 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
8988 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8989 !nl80211_check_scan_feat(wiphy, *flags,
8990 NL80211_SCAN_FLAG_RANDOM_SN,
8991 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8992 !nl80211_check_scan_feat(wiphy, *flags,
8993 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8994 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
8997 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
9000 if (!(wiphy->features & randomness_flag) ||
9001 (wdev && wdev->connected))
9004 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
9012 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
9014 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9015 struct wireless_dev *wdev = info->user_ptr[1];
9016 struct cfg80211_scan_request *request;
9017 struct nlattr *scan_freqs = NULL;
9018 bool scan_freqs_khz = false;
9019 struct nlattr *attr;
9020 struct wiphy *wiphy;
9021 int err, tmp, n_ssids = 0, n_channels, i;
9024 wiphy = &rdev->wiphy;
9026 if (wdev->iftype == NL80211_IFTYPE_NAN)
9029 if (!rdev->ops->scan)
9032 if (rdev->scan_req || rdev->scan_msg)
9035 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
9036 if (!wiphy_ext_feature_isset(wiphy,
9037 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
9039 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
9040 scan_freqs_khz = true;
9041 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
9042 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
9045 n_channels = validate_scan_freqs(scan_freqs);
9049 n_channels = ieee80211_get_num_supported_channels(wiphy);
9052 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
9053 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
9056 if (n_ssids > wiphy->max_scan_ssids)
9059 if (info->attrs[NL80211_ATTR_IE])
9060 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9064 if (ie_len > wiphy->max_scan_ie_len)
9067 request = kzalloc(sizeof(*request)
9068 + sizeof(*request->ssids) * n_ssids
9069 + sizeof(*request->channels) * n_channels
9070 + ie_len, GFP_KERNEL);
9075 request->ssids = (void *)&request->channels[n_channels];
9076 request->n_ssids = n_ssids;
9079 request->ie = (void *)(request->ssids + n_ssids);
9081 request->ie = (void *)(request->channels + n_channels);
9086 /* user specified, bail out if channel not found */
9087 nla_for_each_nested(attr, scan_freqs, tmp) {
9088 struct ieee80211_channel *chan;
9089 int freq = nla_get_u32(attr);
9091 if (!scan_freqs_khz)
9092 freq = MHZ_TO_KHZ(freq);
9094 chan = ieee80211_get_channel_khz(wiphy, freq);
9100 /* ignore disabled channels */
9101 if (chan->flags & IEEE80211_CHAN_DISABLED)
9104 request->channels[i] = chan;
9108 enum nl80211_band band;
9111 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9114 if (!wiphy->bands[band])
9116 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9117 struct ieee80211_channel *chan;
9119 chan = &wiphy->bands[band]->channels[j];
9121 if (chan->flags & IEEE80211_CHAN_DISABLED)
9124 request->channels[i] = chan;
9135 request->n_channels = i;
9138 for (i = 0; i < request->n_channels; i++) {
9139 struct ieee80211_channel *chan = request->channels[i];
9141 /* if we can go off-channel to the target channel we're good */
9142 if (cfg80211_off_channel_oper_allowed(wdev, chan))
9145 if (!cfg80211_wdev_on_sub_chan(wdev, chan, true)) {
9155 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
9156 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
9160 request->ssids[i].ssid_len = nla_len(attr);
9161 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
9166 if (info->attrs[NL80211_ATTR_IE]) {
9167 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9168 memcpy((void *)request->ie,
9169 nla_data(info->attrs[NL80211_ATTR_IE]),
9173 for (i = 0; i < NUM_NL80211_BANDS; i++)
9174 if (wiphy->bands[i])
9176 (1 << wiphy->bands[i]->n_bitrates) - 1;
9178 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
9179 nla_for_each_nested(attr,
9180 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
9182 enum nl80211_band band = nla_type(attr);
9184 if (band < 0 || band >= NUM_NL80211_BANDS) {
9189 if (!wiphy->bands[band])
9192 err = ieee80211_get_ratemask(wiphy->bands[band],
9195 &request->rates[band]);
9201 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
9203 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
9204 request->duration_mandatory =
9205 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
9208 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
9214 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
9216 /* Initial implementation used NL80211_ATTR_MAC to set the specific
9217 * BSSID to scan for. This was problematic because that same attribute
9218 * was already used for another purpose (local random MAC address). The
9219 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
9220 * compatibility with older userspace components, also use the
9221 * NL80211_ATTR_MAC value here if it can be determined to be used for
9222 * the specific BSSID use case instead of the random MAC address
9223 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
9225 if (info->attrs[NL80211_ATTR_BSSID])
9226 memcpy(request->bssid,
9227 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
9228 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
9229 info->attrs[NL80211_ATTR_MAC])
9230 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
9233 eth_broadcast_addr(request->bssid);
9235 request->wdev = wdev;
9236 request->wiphy = &rdev->wiphy;
9237 request->scan_start = jiffies;
9239 rdev->scan_req = request;
9240 err = cfg80211_scan(rdev);
9245 nl80211_send_scan_start(rdev, wdev);
9246 dev_hold(wdev->netdev);
9251 rdev->scan_req = NULL;
9257 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
9259 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9260 struct wireless_dev *wdev = info->user_ptr[1];
9262 if (!rdev->ops->abort_scan)
9268 if (!rdev->scan_req)
9271 rdev_abort_scan(rdev, wdev);
9276 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
9277 struct cfg80211_sched_scan_request *request,
9278 struct nlattr **attrs)
9280 int tmp, err, i = 0;
9281 struct nlattr *attr;
9283 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9287 * If scan plans are not specified,
9288 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
9289 * case one scan plan will be set with the specified scan
9290 * interval and infinite number of iterations.
9292 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
9296 request->scan_plans[0].interval =
9297 DIV_ROUND_UP(interval, MSEC_PER_SEC);
9298 if (!request->scan_plans[0].interval)
9301 if (request->scan_plans[0].interval >
9302 wiphy->max_sched_scan_plan_interval)
9303 request->scan_plans[0].interval =
9304 wiphy->max_sched_scan_plan_interval;
9309 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
9310 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
9312 if (WARN_ON(i >= n_plans))
9315 err = nla_parse_nested_deprecated(plan,
9316 NL80211_SCHED_SCAN_PLAN_MAX,
9317 attr, nl80211_plan_policy,
9322 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
9325 request->scan_plans[i].interval =
9326 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
9327 if (!request->scan_plans[i].interval ||
9328 request->scan_plans[i].interval >
9329 wiphy->max_sched_scan_plan_interval)
9332 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
9333 request->scan_plans[i].iterations =
9334 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
9335 if (!request->scan_plans[i].iterations ||
9336 (request->scan_plans[i].iterations >
9337 wiphy->max_sched_scan_plan_iterations))
9339 } else if (i < n_plans - 1) {
9341 * All scan plans but the last one must specify
9342 * a finite number of iterations
9351 * The last scan plan must not specify the number of
9352 * iterations, it is supposed to run infinitely
9354 if (request->scan_plans[n_plans - 1].iterations)
9361 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
9362 struct cfg80211_match_set *match_sets,
9363 struct nlattr *tb_band_rssi,
9366 struct nlattr *attr;
9367 int i, tmp, ret = 0;
9369 if (!wiphy_ext_feature_isset(wiphy,
9370 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
9374 for (i = 0; i < NUM_NL80211_BANDS; i++)
9375 match_sets->per_band_rssi_thold[i] =
9376 NL80211_SCAN_RSSI_THOLD_OFF;
9380 for (i = 0; i < NUM_NL80211_BANDS; i++)
9381 match_sets->per_band_rssi_thold[i] = rssi_thold;
9383 nla_for_each_nested(attr, tb_band_rssi, tmp) {
9384 enum nl80211_band band = nla_type(attr);
9386 if (band < 0 || band >= NUM_NL80211_BANDS)
9389 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
9395 static struct cfg80211_sched_scan_request *
9396 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
9397 struct nlattr **attrs, int max_match_sets)
9399 struct cfg80211_sched_scan_request *request;
9400 struct nlattr *attr;
9401 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
9402 enum nl80211_band band;
9404 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
9405 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
9407 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
9408 n_channels = validate_scan_freqs(
9409 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
9411 return ERR_PTR(-EINVAL);
9413 n_channels = ieee80211_get_num_supported_channels(wiphy);
9416 if (attrs[NL80211_ATTR_SCAN_SSIDS])
9417 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
9421 if (n_ssids > wiphy->max_sched_scan_ssids)
9422 return ERR_PTR(-EINVAL);
9425 * First, count the number of 'real' matchsets. Due to an issue with
9426 * the old implementation, matchsets containing only the RSSI attribute
9427 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
9428 * RSSI for all matchsets, rather than their own matchset for reporting
9429 * all APs with a strong RSSI. This is needed to be compatible with
9430 * older userspace that treated a matchset with only the RSSI as the
9431 * global RSSI for all other matchsets - if there are other matchsets.
9433 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
9434 nla_for_each_nested(attr,
9435 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
9437 struct nlattr *rssi;
9439 err = nla_parse_nested_deprecated(tb,
9440 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9442 nl80211_match_policy,
9445 return ERR_PTR(err);
9447 /* SSID and BSSID are mutually exclusive */
9448 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
9449 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
9450 return ERR_PTR(-EINVAL);
9452 /* add other standalone attributes here */
9453 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
9454 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
9458 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9460 default_match_rssi = nla_get_s32(rssi);
9464 /* However, if there's no other matchset, add the RSSI one */
9465 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
9468 if (n_match_sets > max_match_sets)
9469 return ERR_PTR(-EINVAL);
9471 if (attrs[NL80211_ATTR_IE])
9472 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
9476 if (ie_len > wiphy->max_sched_scan_ie_len)
9477 return ERR_PTR(-EINVAL);
9479 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9481 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
9482 * each scan plan already specifies its own interval
9484 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9485 return ERR_PTR(-EINVAL);
9487 nla_for_each_nested(attr,
9488 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
9492 * The scan interval attribute is kept for backward
9493 * compatibility. If no scan plans are specified and sched scan
9494 * interval is specified, one scan plan will be set with this
9495 * scan interval and infinite number of iterations.
9497 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9498 return ERR_PTR(-EINVAL);
9503 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
9504 return ERR_PTR(-EINVAL);
9506 if (!wiphy_ext_feature_isset(
9507 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
9508 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
9509 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
9510 return ERR_PTR(-EINVAL);
9512 request = kzalloc(sizeof(*request)
9513 + sizeof(*request->ssids) * n_ssids
9514 + sizeof(*request->match_sets) * n_match_sets
9515 + sizeof(*request->scan_plans) * n_plans
9516 + sizeof(*request->channels) * n_channels
9517 + ie_len, GFP_KERNEL);
9519 return ERR_PTR(-ENOMEM);
9522 request->ssids = (void *)&request->channels[n_channels];
9523 request->n_ssids = n_ssids;
9526 request->ie = (void *)(request->ssids + n_ssids);
9528 request->ie = (void *)(request->channels + n_channels);
9533 request->match_sets = (void *)(request->ie + ie_len);
9535 request->match_sets =
9536 (void *)(request->ssids + n_ssids);
9538 request->match_sets =
9539 (void *)(request->channels + n_channels);
9541 request->n_match_sets = n_match_sets;
9544 request->scan_plans = (void *)(request->match_sets +
9546 else if (request->ie)
9547 request->scan_plans = (void *)(request->ie + ie_len);
9549 request->scan_plans = (void *)(request->ssids + n_ssids);
9551 request->scan_plans = (void *)(request->channels + n_channels);
9553 request->n_scan_plans = n_plans;
9556 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
9557 /* user specified, bail out if channel not found */
9558 nla_for_each_nested(attr,
9559 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
9561 struct ieee80211_channel *chan;
9563 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
9570 /* ignore disabled channels */
9571 if (chan->flags & IEEE80211_CHAN_DISABLED)
9574 request->channels[i] = chan;
9579 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9582 if (!wiphy->bands[band])
9584 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9585 struct ieee80211_channel *chan;
9587 chan = &wiphy->bands[band]->channels[j];
9589 if (chan->flags & IEEE80211_CHAN_DISABLED)
9592 request->channels[i] = chan;
9603 request->n_channels = i;
9607 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
9609 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
9613 request->ssids[i].ssid_len = nla_len(attr);
9614 memcpy(request->ssids[i].ssid, nla_data(attr),
9621 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
9622 nla_for_each_nested(attr,
9623 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
9625 struct nlattr *ssid, *bssid, *rssi;
9627 err = nla_parse_nested_deprecated(tb,
9628 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9630 nl80211_match_policy,
9634 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
9635 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
9637 if (!ssid && !bssid) {
9642 if (WARN_ON(i >= n_match_sets)) {
9643 /* this indicates a programming error,
9644 * the loop above should have verified
9652 memcpy(request->match_sets[i].ssid.ssid,
9653 nla_data(ssid), nla_len(ssid));
9654 request->match_sets[i].ssid.ssid_len =
9658 memcpy(request->match_sets[i].bssid,
9659 nla_data(bssid), ETH_ALEN);
9661 /* special attribute - old implementation w/a */
9662 request->match_sets[i].rssi_thold = default_match_rssi;
9663 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9665 request->match_sets[i].rssi_thold =
9668 /* Parse per band RSSI attribute */
9669 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
9670 &request->match_sets[i],
9671 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
9672 request->match_sets[i].rssi_thold);
9679 /* there was no other matchset, so the RSSI one is alone */
9680 if (i == 0 && n_match_sets)
9681 request->match_sets[0].rssi_thold = default_match_rssi;
9683 request->min_rssi_thold = INT_MAX;
9684 for (i = 0; i < n_match_sets; i++)
9685 request->min_rssi_thold =
9686 min(request->match_sets[i].rssi_thold,
9687 request->min_rssi_thold);
9689 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
9693 request->ie_len = ie_len;
9694 memcpy((void *)request->ie,
9695 nla_data(attrs[NL80211_ATTR_IE]),
9699 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
9703 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
9705 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
9707 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
9708 request->relative_rssi = nla_get_s8(
9709 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
9710 request->relative_rssi_set = true;
9713 if (request->relative_rssi_set &&
9714 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
9715 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
9717 rssi_adjust = nla_data(
9718 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
9719 request->rssi_adjust.band = rssi_adjust->band;
9720 request->rssi_adjust.delta = rssi_adjust->delta;
9721 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
9727 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
9731 request->scan_start = jiffies;
9737 return ERR_PTR(err);
9740 static int nl80211_start_sched_scan(struct sk_buff *skb,
9741 struct genl_info *info)
9743 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9744 struct net_device *dev = info->user_ptr[1];
9745 struct wireless_dev *wdev = dev->ieee80211_ptr;
9746 struct cfg80211_sched_scan_request *sched_scan_req;
9750 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
9753 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
9754 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
9758 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
9760 rdev->wiphy.max_match_sets);
9762 err = PTR_ERR_OR_ZERO(sched_scan_req);
9766 /* leave request id zero for legacy request
9767 * or if driver does not support multi-scheduled scan
9769 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
9770 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
9772 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
9776 sched_scan_req->dev = dev;
9777 sched_scan_req->wiphy = &rdev->wiphy;
9779 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9780 sched_scan_req->owner_nlportid = info->snd_portid;
9782 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
9784 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
9788 kfree(sched_scan_req);
9793 static int nl80211_stop_sched_scan(struct sk_buff *skb,
9794 struct genl_info *info)
9796 struct cfg80211_sched_scan_request *req;
9797 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9800 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
9803 if (info->attrs[NL80211_ATTR_COOKIE]) {
9804 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9805 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9808 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9809 struct cfg80211_sched_scan_request,
9811 if (!req || req->reqid ||
9812 (req->owner_nlportid &&
9813 req->owner_nlportid != info->snd_portid))
9816 return cfg80211_stop_sched_scan_req(rdev, req, false);
9819 static int nl80211_start_radar_detection(struct sk_buff *skb,
9820 struct genl_info *info)
9822 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9823 struct net_device *dev = info->user_ptr[1];
9824 struct wireless_dev *wdev = dev->ieee80211_ptr;
9825 struct wiphy *wiphy = wdev->wiphy;
9826 struct cfg80211_chan_def chandef;
9827 enum nl80211_dfs_regions dfs_region;
9828 unsigned int cac_time_ms;
9831 flush_delayed_work(&rdev->dfs_update_channels_wk);
9835 dfs_region = reg_get_dfs_region(wiphy);
9836 if (dfs_region == NL80211_DFS_UNSET)
9839 err = nl80211_parse_chandef(rdev, info, &chandef);
9843 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9852 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) {
9857 if (nla_get_flag(info->attrs[NL80211_ATTR_RADAR_BACKGROUND])) {
9858 err = cfg80211_start_background_radar_detection(rdev, wdev,
9863 if (netif_carrier_ok(dev)) {
9868 if (wdev->cac_started) {
9873 /* CAC start is offloaded to HW and can't be started manually */
9874 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) {
9879 if (!rdev->ops->start_radar_detection) {
9884 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
9885 if (WARN_ON(!cac_time_ms))
9886 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
9888 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
9890 wdev->links[0].ap.chandef = chandef;
9891 wdev->cac_started = true;
9892 wdev->cac_start_time = jiffies;
9893 wdev->cac_time_ms = cac_time_ms;
9896 wiphy_unlock(wiphy);
9901 static int nl80211_notify_radar_detection(struct sk_buff *skb,
9902 struct genl_info *info)
9904 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9905 struct net_device *dev = info->user_ptr[1];
9906 struct wireless_dev *wdev = dev->ieee80211_ptr;
9907 struct wiphy *wiphy = wdev->wiphy;
9908 struct cfg80211_chan_def chandef;
9909 enum nl80211_dfs_regions dfs_region;
9912 dfs_region = reg_get_dfs_region(wiphy);
9913 if (dfs_region == NL80211_DFS_UNSET) {
9914 GENL_SET_ERR_MSG(info,
9915 "DFS Region is not set. Unexpected Radar indication");
9919 err = nl80211_parse_chandef(rdev, info, &chandef);
9921 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
9925 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9927 GENL_SET_ERR_MSG(info, "chandef is invalid");
9932 GENL_SET_ERR_MSG(info,
9933 "Unexpected Radar indication for chandef/iftype");
9937 /* Do not process this notification if radar is already detected
9938 * by kernel on this channel, and return success.
9940 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
9943 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
9945 cfg80211_sched_dfs_chan_update(rdev);
9947 rdev->radar_chandef = chandef;
9949 /* Propagate this notification to other radios as well */
9950 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
9955 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
9957 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9958 unsigned int link_id = nl80211_link_id(info->attrs);
9959 struct net_device *dev = info->user_ptr[1];
9960 struct wireless_dev *wdev = dev->ieee80211_ptr;
9961 struct cfg80211_csa_settings params;
9962 struct nlattr **csa_attrs = NULL;
9964 bool need_new_beacon = false;
9965 bool need_handle_dfs_flag = true;
9969 if (!rdev->ops->channel_switch ||
9970 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9973 switch (dev->ieee80211_ptr->iftype) {
9974 case NL80211_IFTYPE_AP:
9975 case NL80211_IFTYPE_P2P_GO:
9976 need_new_beacon = true;
9977 /* For all modes except AP the handle_dfs flag needs to be
9978 * supplied to tell the kernel that userspace will handle radar
9979 * events when they happen. Otherwise a switch to a channel
9980 * requiring DFS will be rejected.
9982 need_handle_dfs_flag = false;
9984 /* useless if AP is not running */
9985 if (!wdev->links[link_id].ap.beacon_interval)
9988 case NL80211_IFTYPE_ADHOC:
9989 if (!wdev->u.ibss.ssid_len)
9992 case NL80211_IFTYPE_MESH_POINT:
9993 if (!wdev->u.mesh.id_len)
10000 memset(¶ms, 0, sizeof(params));
10001 params.beacon_csa.ftm_responder = -1;
10003 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10004 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
10007 /* only important for AP, IBSS and mesh create IEs internally */
10008 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
10011 /* Even though the attribute is u32, the specification says
10012 * u8, so let's make sure we don't overflow.
10014 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
10015 if (cs_count > 255)
10018 params.count = cs_count;
10020 if (!need_new_beacon)
10023 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
10027 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
10034 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
10035 info->attrs[NL80211_ATTR_CSA_IES],
10036 nl80211_policy, info->extack);
10040 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
10044 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
10049 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
10050 if (!len || (len % sizeof(u16))) {
10055 params.n_counter_offsets_beacon = len / sizeof(u16);
10056 if (rdev->wiphy.max_num_csa_counters &&
10057 (params.n_counter_offsets_beacon >
10058 rdev->wiphy.max_num_csa_counters)) {
10063 params.counter_offsets_beacon =
10064 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
10066 /* sanity checks - counters should fit and be the same */
10067 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
10068 u16 offset = params.counter_offsets_beacon[i];
10070 if (offset >= params.beacon_csa.tail_len) {
10075 if (params.beacon_csa.tail[offset] != params.count) {
10081 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
10082 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
10083 if (!len || (len % sizeof(u16))) {
10088 params.n_counter_offsets_presp = len / sizeof(u16);
10089 if (rdev->wiphy.max_num_csa_counters &&
10090 (params.n_counter_offsets_presp >
10091 rdev->wiphy.max_num_csa_counters)) {
10096 params.counter_offsets_presp =
10097 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
10099 /* sanity checks - counters should fit and be the same */
10100 for (i = 0; i < params.n_counter_offsets_presp; i++) {
10101 u16 offset = params.counter_offsets_presp[i];
10103 if (offset >= params.beacon_csa.probe_resp_len) {
10108 if (params.beacon_csa.probe_resp[offset] !=
10117 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
10121 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
10127 err = cfg80211_chandef_dfs_required(wdev->wiphy,
10134 params.radar_required = true;
10135 if (need_handle_dfs_flag &&
10136 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
10142 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
10143 params.block_tx = true;
10145 if (info->attrs[NL80211_ATTR_PUNCT_BITMAP]) {
10146 err = nl80211_parse_punct_bitmap(rdev, info,
10148 ¶ms.punct_bitmap);
10154 err = rdev_channel_switch(rdev, dev, ¶ms);
10158 kfree(params.beacon_after.mbssid_ies);
10159 kfree(params.beacon_csa.mbssid_ies);
10164 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
10165 u32 seq, int flags,
10166 struct cfg80211_registered_device *rdev,
10167 struct wireless_dev *wdev,
10168 struct cfg80211_internal_bss *intbss)
10170 struct cfg80211_bss *res = &intbss->pub;
10171 const struct cfg80211_bss_ies *ies;
10172 unsigned int link_id;
10174 struct nlattr *bss;
10176 ASSERT_WDEV_LOCK(wdev);
10178 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
10179 NL80211_CMD_NEW_SCAN_RESULTS);
10183 genl_dump_check_consistent(cb, hdr);
10185 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
10186 goto nla_put_failure;
10187 if (wdev->netdev &&
10188 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
10189 goto nla_put_failure;
10190 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
10192 goto nla_put_failure;
10194 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
10196 goto nla_put_failure;
10197 if ((!is_zero_ether_addr(res->bssid) &&
10198 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
10199 goto nla_put_failure;
10202 /* indicate whether we have probe response data or not */
10203 if (rcu_access_pointer(res->proberesp_ies) &&
10204 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
10205 goto fail_unlock_rcu;
10207 /* this pointer prefers to be pointed to probe response data
10208 * but is always valid
10210 ies = rcu_dereference(res->ies);
10212 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
10214 goto fail_unlock_rcu;
10215 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
10216 ies->len, ies->data))
10217 goto fail_unlock_rcu;
10220 /* and this pointer is always (unless driver didn't know) beacon data */
10221 ies = rcu_dereference(res->beacon_ies);
10222 if (ies && ies->from_beacon) {
10223 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
10225 goto fail_unlock_rcu;
10226 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
10227 ies->len, ies->data))
10228 goto fail_unlock_rcu;
10232 if (res->beacon_interval &&
10233 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
10234 goto nla_put_failure;
10235 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
10236 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
10237 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
10238 res->channel->freq_offset) ||
10239 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
10240 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
10241 jiffies_to_msecs(jiffies - intbss->ts)))
10242 goto nla_put_failure;
10244 if (intbss->parent_tsf &&
10245 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
10246 intbss->parent_tsf, NL80211_BSS_PAD) ||
10247 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
10248 intbss->parent_bssid)))
10249 goto nla_put_failure;
10251 if (intbss->ts_boottime &&
10252 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
10253 intbss->ts_boottime, NL80211_BSS_PAD))
10254 goto nla_put_failure;
10256 if (!nl80211_put_signal(msg, intbss->pub.chains,
10257 intbss->pub.chain_signal,
10258 NL80211_BSS_CHAIN_SIGNAL))
10259 goto nla_put_failure;
10261 switch (rdev->wiphy.signal_type) {
10262 case CFG80211_SIGNAL_TYPE_MBM:
10263 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
10264 goto nla_put_failure;
10266 case CFG80211_SIGNAL_TYPE_UNSPEC:
10267 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
10268 goto nla_put_failure;
10274 switch (wdev->iftype) {
10275 case NL80211_IFTYPE_P2P_CLIENT:
10276 case NL80211_IFTYPE_STATION:
10277 for_each_valid_link(wdev, link_id) {
10278 if (intbss == wdev->links[link_id].client.current_bss &&
10279 (nla_put_u32(msg, NL80211_BSS_STATUS,
10280 NL80211_BSS_STATUS_ASSOCIATED) ||
10281 (wdev->valid_links &&
10282 (nla_put_u8(msg, NL80211_BSS_MLO_LINK_ID,
10284 nla_put(msg, NL80211_BSS_MLD_ADDR, ETH_ALEN,
10285 wdev->u.client.connected_addr)))))
10286 goto nla_put_failure;
10289 case NL80211_IFTYPE_ADHOC:
10290 if (intbss == wdev->u.ibss.current_bss &&
10291 nla_put_u32(msg, NL80211_BSS_STATUS,
10292 NL80211_BSS_STATUS_IBSS_JOINED))
10293 goto nla_put_failure;
10299 nla_nest_end(msg, bss);
10301 genlmsg_end(msg, hdr);
10307 genlmsg_cancel(msg, hdr);
10311 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
10313 struct cfg80211_registered_device *rdev;
10314 struct cfg80211_internal_bss *scan;
10315 struct wireless_dev *wdev;
10316 int start = cb->args[2], idx = 0;
10319 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
10322 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10323 __acquire(&rdev->wiphy.mtx);
10326 spin_lock_bh(&rdev->bss_lock);
10329 * dump_scan will be called multiple times to break up the scan results
10330 * into multiple messages. It is unlikely that any more bss-es will be
10331 * expired after the first call, so only call only call this on the
10332 * first dump_scan invocation.
10335 cfg80211_bss_expire(rdev);
10337 cb->seq = rdev->bss_generation;
10339 list_for_each_entry(scan, &rdev->bss_list, list) {
10340 if (++idx <= start)
10342 if (nl80211_send_bss(skb, cb,
10343 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10344 rdev, wdev, scan) < 0) {
10350 spin_unlock_bh(&rdev->bss_lock);
10354 wiphy_unlock(&rdev->wiphy);
10359 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
10360 int flags, struct net_device *dev,
10361 bool allow_radio_stats,
10362 struct survey_info *survey)
10365 struct nlattr *infoattr;
10367 /* skip radio stats if userspace didn't request them */
10368 if (!survey->channel && !allow_radio_stats)
10371 hdr = nl80211hdr_put(msg, portid, seq, flags,
10372 NL80211_CMD_NEW_SURVEY_RESULTS);
10376 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
10377 goto nla_put_failure;
10379 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
10381 goto nla_put_failure;
10383 if (survey->channel &&
10384 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
10385 survey->channel->center_freq))
10386 goto nla_put_failure;
10388 if (survey->channel && survey->channel->freq_offset &&
10389 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
10390 survey->channel->freq_offset))
10391 goto nla_put_failure;
10393 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
10394 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
10395 goto nla_put_failure;
10396 if ((survey->filled & SURVEY_INFO_IN_USE) &&
10397 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
10398 goto nla_put_failure;
10399 if ((survey->filled & SURVEY_INFO_TIME) &&
10400 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
10401 survey->time, NL80211_SURVEY_INFO_PAD))
10402 goto nla_put_failure;
10403 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
10404 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
10405 survey->time_busy, NL80211_SURVEY_INFO_PAD))
10406 goto nla_put_failure;
10407 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
10408 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
10409 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
10410 goto nla_put_failure;
10411 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
10412 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
10413 survey->time_rx, NL80211_SURVEY_INFO_PAD))
10414 goto nla_put_failure;
10415 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
10416 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
10417 survey->time_tx, NL80211_SURVEY_INFO_PAD))
10418 goto nla_put_failure;
10419 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
10420 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
10421 survey->time_scan, NL80211_SURVEY_INFO_PAD))
10422 goto nla_put_failure;
10423 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
10424 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
10425 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
10426 goto nla_put_failure;
10428 nla_nest_end(msg, infoattr);
10430 genlmsg_end(msg, hdr);
10434 genlmsg_cancel(msg, hdr);
10438 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
10440 struct nlattr **attrbuf;
10441 struct survey_info survey;
10442 struct cfg80211_registered_device *rdev;
10443 struct wireless_dev *wdev;
10444 int survey_idx = cb->args[2];
10448 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
10452 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
10457 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10458 __acquire(&rdev->wiphy.mtx);
10460 /* prepare_wdev_dump parsed the attributes */
10461 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
10463 if (!wdev->netdev) {
10468 if (!rdev->ops->dump_survey) {
10475 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
10477 if (res == -ENOENT)
10482 /* don't send disabled channels, but do send non-channel data */
10483 if (survey.channel &&
10484 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
10489 if (nl80211_send_survey(skb,
10490 NETLINK_CB(cb->skb).portid,
10491 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10492 wdev->netdev, radio_stats, &survey) < 0)
10498 cb->args[2] = survey_idx;
10502 wiphy_unlock(&rdev->wiphy);
10506 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
10508 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
10509 NL80211_WPA_VERSION_2 |
10510 NL80211_WPA_VERSION_3));
10513 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
10515 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10516 struct net_device *dev = info->user_ptr[1];
10517 struct ieee80211_channel *chan;
10518 const u8 *bssid, *ssid;
10520 enum nl80211_auth_type auth_type;
10521 struct key_parse key;
10522 bool local_state_change;
10523 struct cfg80211_auth_request req = {};
10526 if (!info->attrs[NL80211_ATTR_MAC])
10529 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
10532 if (!info->attrs[NL80211_ATTR_SSID])
10535 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10538 err = nl80211_parse_key(info, &key);
10542 if (key.idx >= 0) {
10543 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
10545 if (!key.p.key || !key.p.key_len)
10547 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
10548 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
10549 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
10550 key.p.key_len != WLAN_KEY_LEN_WEP104))
10559 if (key.idx >= 0) {
10563 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
10564 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
10573 if (!rdev->ops->auth)
10574 return -EOPNOTSUPP;
10576 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10577 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10578 return -EOPNOTSUPP;
10580 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10581 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10582 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10584 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10586 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10590 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10591 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10593 if (info->attrs[NL80211_ATTR_IE]) {
10594 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10595 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10598 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10599 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
10602 if ((auth_type == NL80211_AUTHTYPE_SAE ||
10603 auth_type == NL80211_AUTHTYPE_FILS_SK ||
10604 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
10605 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
10606 !info->attrs[NL80211_ATTR_AUTH_DATA])
10609 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
10610 if (auth_type != NL80211_AUTHTYPE_SAE &&
10611 auth_type != NL80211_AUTHTYPE_FILS_SK &&
10612 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
10613 auth_type != NL80211_AUTHTYPE_FILS_PK)
10615 req.auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
10616 req.auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
10619 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10622 * Since we no longer track auth state, ignore
10623 * requests to only change local state.
10625 if (local_state_change)
10628 req.auth_type = auth_type;
10629 req.key = key.p.key;
10630 req.key_len = key.p.key_len;
10631 req.key_idx = key.idx;
10632 req.link_id = nl80211_link_id_or_invalid(info->attrs);
10633 if (req.link_id >= 0) {
10634 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
10636 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
10638 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
10641 req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
10642 IEEE80211_BSS_TYPE_ESS,
10643 IEEE80211_PRIVACY_ANY);
10647 wdev_lock(dev->ieee80211_ptr);
10648 err = cfg80211_mlme_auth(rdev, dev, &req);
10649 wdev_unlock(dev->ieee80211_ptr);
10651 cfg80211_put_bss(&rdev->wiphy, req.bss);
10656 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
10657 struct genl_info *info)
10659 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10660 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
10664 if (!rdev->ops->tx_control_port ||
10665 !wiphy_ext_feature_isset(&rdev->wiphy,
10666 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
10667 return -EOPNOTSUPP;
10672 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
10673 struct genl_info *info,
10674 struct cfg80211_crypto_settings *settings,
10677 memset(settings, 0, sizeof(*settings));
10679 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
10681 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
10684 proto = nla_get_u16(
10685 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
10686 settings->control_port_ethertype = cpu_to_be16(proto);
10687 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
10688 proto != ETH_P_PAE)
10690 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
10691 settings->control_port_no_encrypt = true;
10693 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
10695 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10696 int r = validate_pae_over_nl80211(rdev, info);
10701 settings->control_port_over_nl80211 = true;
10703 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
10704 settings->control_port_no_preauth = true;
10707 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
10711 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10712 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10713 settings->n_ciphers_pairwise = len / sizeof(u32);
10715 if (len % sizeof(u32))
10718 if (settings->n_ciphers_pairwise > cipher_limit)
10721 memcpy(settings->ciphers_pairwise, data, len);
10723 for (i = 0; i < settings->n_ciphers_pairwise; i++)
10724 if (!cfg80211_supported_cipher_suite(
10726 settings->ciphers_pairwise[i]))
10730 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
10731 settings->cipher_group =
10732 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
10733 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
10734 settings->cipher_group))
10738 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
10739 settings->wpa_versions =
10740 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
10741 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
10745 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
10749 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
10750 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
10751 settings->n_akm_suites = len / sizeof(u32);
10753 if (len % sizeof(u32))
10756 if (settings->n_akm_suites > rdev->wiphy.max_num_akm_suites)
10759 memcpy(settings->akm_suites, data, len);
10762 if (info->attrs[NL80211_ATTR_PMK]) {
10763 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
10765 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10766 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
10767 !wiphy_ext_feature_isset(&rdev->wiphy,
10768 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
10770 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10773 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
10774 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10775 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10776 !wiphy_ext_feature_isset(&rdev->wiphy,
10777 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
10779 settings->sae_pwd =
10780 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10781 settings->sae_pwd_len =
10782 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10785 if (info->attrs[NL80211_ATTR_SAE_PWE])
10786 settings->sae_pwe =
10787 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
10789 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
10794 static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device *rdev,
10795 const u8 *ssid, int ssid_len,
10796 struct nlattr **attrs,
10797 const u8 **bssid_out)
10799 struct ieee80211_channel *chan;
10800 struct cfg80211_bss *bss;
10804 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_WIPHY_FREQ])
10805 return ERR_PTR(-EINVAL);
10807 bssid = nla_data(attrs[NL80211_ATTR_MAC]);
10809 freq = MHZ_TO_KHZ(nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]));
10810 if (attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10811 freq += nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10813 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10815 return ERR_PTR(-EINVAL);
10817 bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid,
10819 IEEE80211_BSS_TYPE_ESS,
10820 IEEE80211_PRIVACY_ANY);
10822 return ERR_PTR(-ENOENT);
10824 *bssid_out = bssid;
10828 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
10830 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10831 struct net_device *dev = info->user_ptr[1];
10832 struct cfg80211_assoc_request req = {};
10833 struct nlattr **attrs = NULL;
10834 const u8 *bssid, *ssid;
10835 unsigned int link_id;
10838 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10839 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10842 if (!info->attrs[NL80211_ATTR_SSID])
10845 if (!rdev->ops->assoc)
10846 return -EOPNOTSUPP;
10848 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10849 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10850 return -EOPNOTSUPP;
10852 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10853 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10855 if (info->attrs[NL80211_ATTR_IE]) {
10856 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10857 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10859 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
10860 req.ie, req.ie_len)) {
10861 GENL_SET_ERR_MSG(info,
10862 "non-inheritance makes no sense");
10867 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10868 enum nl80211_mfp mfp =
10869 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10870 if (mfp == NL80211_MFP_REQUIRED)
10871 req.use_mfp = true;
10872 else if (mfp != NL80211_MFP_NO)
10876 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10877 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10879 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10880 req.flags |= ASSOC_REQ_DISABLE_HT;
10882 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10883 memcpy(&req.ht_capa_mask,
10884 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10885 sizeof(req.ht_capa_mask));
10887 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10888 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10890 memcpy(&req.ht_capa,
10891 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10892 sizeof(req.ht_capa));
10895 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10896 req.flags |= ASSOC_REQ_DISABLE_VHT;
10898 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10899 req.flags |= ASSOC_REQ_DISABLE_HE;
10901 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
10902 req.flags |= ASSOC_REQ_DISABLE_EHT;
10904 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10905 memcpy(&req.vht_capa_mask,
10906 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10907 sizeof(req.vht_capa_mask));
10909 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10910 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10912 memcpy(&req.vht_capa,
10913 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10914 sizeof(req.vht_capa));
10917 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10918 if (!((rdev->wiphy.features &
10919 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10920 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10921 !wiphy_ext_feature_isset(&rdev->wiphy,
10922 NL80211_EXT_FEATURE_RRM))
10924 req.flags |= ASSOC_REQ_USE_RRM;
10927 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
10928 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
10929 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
10930 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
10933 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
10936 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
10937 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
10939 memcpy(&req.s1g_capa_mask,
10940 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
10941 sizeof(req.s1g_capa_mask));
10944 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
10945 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
10947 memcpy(&req.s1g_capa,
10948 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
10949 sizeof(req.s1g_capa));
10952 req.link_id = nl80211_link_id_or_invalid(info->attrs);
10954 if (info->attrs[NL80211_ATTR_MLO_LINKS]) {
10955 unsigned int attrsize = NUM_NL80211_ATTR * sizeof(*attrs);
10956 struct nlattr *link;
10959 if (req.link_id < 0)
10962 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
10965 if (info->attrs[NL80211_ATTR_MAC] ||
10966 info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10967 !info->attrs[NL80211_ATTR_MLD_ADDR])
10970 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
10972 attrs = kzalloc(attrsize, GFP_KERNEL);
10976 nla_for_each_nested(link,
10977 info->attrs[NL80211_ATTR_MLO_LINKS],
10979 memset(attrs, 0, attrsize);
10981 nla_parse_nested(attrs, NL80211_ATTR_MAX,
10984 if (!attrs[NL80211_ATTR_MLO_LINK_ID]) {
10989 link_id = nla_get_u8(attrs[NL80211_ATTR_MLO_LINK_ID]);
10990 /* cannot use the same link ID again */
10991 if (req.links[link_id].bss) {
10995 req.links[link_id].bss =
10996 nl80211_assoc_bss(rdev, ssid, ssid_len, attrs,
10998 if (IS_ERR(req.links[link_id].bss)) {
10999 err = PTR_ERR(req.links[link_id].bss);
11000 req.links[link_id].bss = NULL;
11004 if (attrs[NL80211_ATTR_IE]) {
11005 req.links[link_id].elems =
11006 nla_data(attrs[NL80211_ATTR_IE]);
11007 req.links[link_id].elems_len =
11008 nla_len(attrs[NL80211_ATTR_IE]);
11010 if (cfg80211_find_elem(WLAN_EID_FRAGMENT,
11011 req.links[link_id].elems,
11012 req.links[link_id].elems_len)) {
11013 GENL_SET_ERR_MSG(info,
11014 "cannot deal with fragmentation");
11019 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
11020 req.links[link_id].elems,
11021 req.links[link_id].elems_len)) {
11022 GENL_SET_ERR_MSG(info,
11023 "cannot deal with non-inheritance");
11030 if (!req.links[req.link_id].bss) {
11035 if (req.links[req.link_id].elems_len) {
11036 GENL_SET_ERR_MSG(info,
11037 "cannot have per-link elems on assoc link");
11045 if (req.link_id >= 0)
11048 req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs,
11050 if (IS_ERR(req.bss))
11051 return PTR_ERR(req.bss);
11054 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
11056 wdev_lock(dev->ieee80211_ptr);
11058 err = cfg80211_mlme_assoc(rdev, dev, &req);
11060 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11061 dev->ieee80211_ptr->conn_owner_nlportid =
11063 memcpy(dev->ieee80211_ptr->disconnect_bssid,
11067 wdev_unlock(dev->ieee80211_ptr);
11071 for (link_id = 0; link_id < ARRAY_SIZE(req.links); link_id++)
11072 cfg80211_put_bss(&rdev->wiphy, req.links[link_id].bss);
11073 cfg80211_put_bss(&rdev->wiphy, req.bss);
11079 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
11081 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11082 struct net_device *dev = info->user_ptr[1];
11083 const u8 *ie = NULL, *bssid;
11084 int ie_len = 0, err;
11086 bool local_state_change;
11088 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11089 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11092 if (!info->attrs[NL80211_ATTR_MAC])
11095 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11098 if (!rdev->ops->deauth)
11099 return -EOPNOTSUPP;
11101 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11102 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11103 return -EOPNOTSUPP;
11105 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11107 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11108 if (reason_code == 0) {
11109 /* Reason Code 0 is reserved */
11113 if (info->attrs[NL80211_ATTR_IE]) {
11114 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11115 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11118 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11120 wdev_lock(dev->ieee80211_ptr);
11121 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
11122 local_state_change);
11123 wdev_unlock(dev->ieee80211_ptr);
11127 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
11129 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11130 struct net_device *dev = info->user_ptr[1];
11131 const u8 *ie = NULL, *bssid;
11132 int ie_len = 0, err;
11134 bool local_state_change;
11136 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11137 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11140 if (!info->attrs[NL80211_ATTR_MAC])
11143 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11146 if (!rdev->ops->disassoc)
11147 return -EOPNOTSUPP;
11149 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11150 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11151 return -EOPNOTSUPP;
11153 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11155 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11156 if (reason_code == 0) {
11157 /* Reason Code 0 is reserved */
11161 if (info->attrs[NL80211_ATTR_IE]) {
11162 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11163 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11166 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11168 wdev_lock(dev->ieee80211_ptr);
11169 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
11170 local_state_change);
11171 wdev_unlock(dev->ieee80211_ptr);
11176 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
11177 int mcast_rate[NUM_NL80211_BANDS],
11180 struct wiphy *wiphy = &rdev->wiphy;
11181 bool found = false;
11184 for (band = 0; band < NUM_NL80211_BANDS; band++) {
11185 struct ieee80211_supported_band *sband;
11187 sband = wiphy->bands[band];
11191 for (i = 0; i < sband->n_bitrates; i++) {
11192 if (sband->bitrates[i].bitrate == rateval) {
11193 mcast_rate[band] = i + 1;
11203 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
11205 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11206 struct net_device *dev = info->user_ptr[1];
11207 struct cfg80211_ibss_params ibss;
11208 struct wiphy *wiphy;
11209 struct cfg80211_cached_keys *connkeys = NULL;
11212 memset(&ibss, 0, sizeof(ibss));
11214 if (!info->attrs[NL80211_ATTR_SSID] ||
11215 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11218 ibss.beacon_interval = 100;
11220 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
11221 ibss.beacon_interval =
11222 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11224 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
11225 ibss.beacon_interval);
11229 if (!rdev->ops->join_ibss)
11230 return -EOPNOTSUPP;
11232 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11233 return -EOPNOTSUPP;
11235 wiphy = &rdev->wiphy;
11237 if (info->attrs[NL80211_ATTR_MAC]) {
11238 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11240 if (!is_valid_ether_addr(ibss.bssid))
11243 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11244 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11246 if (info->attrs[NL80211_ATTR_IE]) {
11247 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11248 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11251 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
11255 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
11256 NL80211_IFTYPE_ADHOC))
11259 switch (ibss.chandef.width) {
11260 case NL80211_CHAN_WIDTH_5:
11261 case NL80211_CHAN_WIDTH_10:
11262 case NL80211_CHAN_WIDTH_20_NOHT:
11264 case NL80211_CHAN_WIDTH_20:
11265 case NL80211_CHAN_WIDTH_40:
11266 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11269 case NL80211_CHAN_WIDTH_80:
11270 case NL80211_CHAN_WIDTH_80P80:
11271 case NL80211_CHAN_WIDTH_160:
11272 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11274 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11275 NL80211_EXT_FEATURE_VHT_IBSS))
11278 case NL80211_CHAN_WIDTH_320:
11284 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
11285 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
11287 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11289 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11291 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11292 struct ieee80211_supported_band *sband =
11293 wiphy->bands[ibss.chandef.chan->band];
11295 err = ieee80211_get_ratemask(sband, rates, n_rates,
11296 &ibss.basic_rates);
11301 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11302 memcpy(&ibss.ht_capa_mask,
11303 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11304 sizeof(ibss.ht_capa_mask));
11306 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11307 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11309 memcpy(&ibss.ht_capa,
11310 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11311 sizeof(ibss.ht_capa));
11314 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11315 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
11316 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11319 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
11320 bool no_ht = false;
11322 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
11323 if (IS_ERR(connkeys))
11324 return PTR_ERR(connkeys);
11326 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
11328 kfree_sensitive(connkeys);
11333 ibss.control_port =
11334 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
11336 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11337 int r = validate_pae_over_nl80211(rdev, info);
11340 kfree_sensitive(connkeys);
11344 ibss.control_port_over_nl80211 = true;
11347 ibss.userspace_handles_dfs =
11348 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11350 wdev_lock(dev->ieee80211_ptr);
11351 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
11353 kfree_sensitive(connkeys);
11354 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
11355 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11356 wdev_unlock(dev->ieee80211_ptr);
11361 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
11363 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11364 struct net_device *dev = info->user_ptr[1];
11366 if (!rdev->ops->leave_ibss)
11367 return -EOPNOTSUPP;
11369 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11370 return -EOPNOTSUPP;
11372 return cfg80211_leave_ibss(rdev, dev, false);
11375 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
11377 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11378 struct net_device *dev = info->user_ptr[1];
11379 int mcast_rate[NUM_NL80211_BANDS];
11382 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
11383 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
11384 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
11385 return -EOPNOTSUPP;
11387 if (!rdev->ops->set_mcast_rate)
11388 return -EOPNOTSUPP;
11390 memset(mcast_rate, 0, sizeof(mcast_rate));
11392 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
11395 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
11396 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
11399 return rdev_set_mcast_rate(rdev, dev, mcast_rate);
11402 static struct sk_buff *
11403 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
11404 struct wireless_dev *wdev, int approxlen,
11405 u32 portid, u32 seq, enum nl80211_commands cmd,
11406 enum nl80211_attrs attr,
11407 const struct nl80211_vendor_cmd_info *info,
11410 struct sk_buff *skb;
11412 struct nlattr *data;
11414 skb = nlmsg_new(approxlen + 100, gfp);
11418 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
11424 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
11425 goto nla_put_failure;
11428 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
11430 goto nla_put_failure;
11431 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
11433 goto nla_put_failure;
11437 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
11438 wdev_id(wdev), NL80211_ATTR_PAD))
11439 goto nla_put_failure;
11440 if (wdev->netdev &&
11441 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
11442 wdev->netdev->ifindex))
11443 goto nla_put_failure;
11446 data = nla_nest_start_noflag(skb, attr);
11448 goto nla_put_failure;
11450 ((void **)skb->cb)[0] = rdev;
11451 ((void **)skb->cb)[1] = hdr;
11452 ((void **)skb->cb)[2] = data;
11461 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
11462 struct wireless_dev *wdev,
11463 enum nl80211_commands cmd,
11464 enum nl80211_attrs attr,
11465 unsigned int portid,
11466 int vendor_event_idx,
11467 int approxlen, gfp_t gfp)
11469 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11470 const struct nl80211_vendor_cmd_info *info;
11473 case NL80211_CMD_TESTMODE:
11474 if (WARN_ON(vendor_event_idx != -1))
11478 case NL80211_CMD_VENDOR:
11479 if (WARN_ON(vendor_event_idx < 0 ||
11480 vendor_event_idx >= wiphy->n_vendor_events))
11482 info = &wiphy->vendor_events[vendor_event_idx];
11489 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
11490 cmd, attr, info, gfp);
11492 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
11494 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
11496 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
11497 void *hdr = ((void **)skb->cb)[1];
11498 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
11499 struct nlattr *data = ((void **)skb->cb)[2];
11500 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
11502 /* clear CB data for netlink core to own from now on */
11503 memset(skb->cb, 0, sizeof(skb->cb));
11505 nla_nest_end(skb, data);
11506 genlmsg_end(skb, hdr);
11508 if (nlhdr->nlmsg_pid) {
11509 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
11512 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
11513 mcgrp = NL80211_MCGRP_VENDOR;
11515 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11516 skb, 0, mcgrp, gfp);
11519 EXPORT_SYMBOL(__cfg80211_send_event_skb);
11521 #ifdef CONFIG_NL80211_TESTMODE
11522 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
11524 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11525 struct wireless_dev *wdev;
11528 lockdep_assert_held(&rdev->wiphy.mtx);
11530 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
11533 if (!rdev->ops->testmode_cmd)
11534 return -EOPNOTSUPP;
11536 if (IS_ERR(wdev)) {
11537 err = PTR_ERR(wdev);
11538 if (err != -EINVAL)
11541 } else if (wdev->wiphy != &rdev->wiphy) {
11545 if (!info->attrs[NL80211_ATTR_TESTDATA])
11548 rdev->cur_cmd_info = info;
11549 err = rdev_testmode_cmd(rdev, wdev,
11550 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
11551 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
11552 rdev->cur_cmd_info = NULL;
11557 static int nl80211_testmode_dump(struct sk_buff *skb,
11558 struct netlink_callback *cb)
11560 struct cfg80211_registered_device *rdev;
11561 struct nlattr **attrbuf = NULL;
11571 * 0 is a valid index, but not valid for args[0],
11572 * so we need to offset by 1.
11574 phy_idx = cb->args[0] - 1;
11576 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
11582 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
11589 err = nlmsg_parse_deprecated(cb->nlh,
11590 GENL_HDRLEN + nl80211_fam.hdrsize,
11591 attrbuf, nl80211_fam.maxattr,
11592 nl80211_policy, NULL);
11596 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
11597 if (IS_ERR(rdev)) {
11598 err = PTR_ERR(rdev);
11601 phy_idx = rdev->wiphy_idx;
11603 if (attrbuf[NL80211_ATTR_TESTDATA])
11604 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
11608 data = nla_data((void *)cb->args[1]);
11609 data_len = nla_len((void *)cb->args[1]);
11612 if (!rdev->ops->testmode_dump) {
11618 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
11619 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11620 NL80211_CMD_TESTMODE);
11621 struct nlattr *tmdata;
11626 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
11627 genlmsg_cancel(skb, hdr);
11631 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
11633 genlmsg_cancel(skb, hdr);
11636 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
11637 nla_nest_end(skb, tmdata);
11639 if (err == -ENOBUFS || err == -ENOENT) {
11640 genlmsg_cancel(skb, hdr);
11643 genlmsg_cancel(skb, hdr);
11647 genlmsg_end(skb, hdr);
11652 cb->args[0] = phy_idx + 1;
11660 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
11662 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11663 struct net_device *dev = info->user_ptr[1];
11664 struct cfg80211_connect_params connect;
11665 struct wiphy *wiphy;
11666 struct cfg80211_cached_keys *connkeys = NULL;
11670 memset(&connect, 0, sizeof(connect));
11672 if (!info->attrs[NL80211_ATTR_SSID] ||
11673 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11676 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11677 connect.auth_type =
11678 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11679 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
11680 NL80211_CMD_CONNECT))
11683 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
11685 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
11687 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
11688 !wiphy_ext_feature_isset(&rdev->wiphy,
11689 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
11691 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
11693 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
11694 NL80211_MAX_NR_CIPHER_SUITES);
11698 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11699 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11700 return -EOPNOTSUPP;
11702 wiphy = &rdev->wiphy;
11704 connect.bg_scan_period = -1;
11705 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
11706 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
11707 connect.bg_scan_period =
11708 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
11711 if (info->attrs[NL80211_ATTR_MAC])
11712 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11713 else if (info->attrs[NL80211_ATTR_MAC_HINT])
11714 connect.bssid_hint =
11715 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
11716 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11717 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11719 if (info->attrs[NL80211_ATTR_IE]) {
11720 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11721 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11724 if (info->attrs[NL80211_ATTR_USE_MFP]) {
11725 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
11726 if (connect.mfp == NL80211_MFP_OPTIONAL &&
11727 !wiphy_ext_feature_isset(&rdev->wiphy,
11728 NL80211_EXT_FEATURE_MFP_OPTIONAL))
11729 return -EOPNOTSUPP;
11731 connect.mfp = NL80211_MFP_NO;
11734 if (info->attrs[NL80211_ATTR_PREV_BSSID])
11735 connect.prev_bssid =
11736 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
11738 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
11739 freq = MHZ_TO_KHZ(nla_get_u32(
11740 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
11741 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
11743 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
11746 connect.channel = nl80211_get_valid_chan(wiphy, freq);
11747 if (!connect.channel)
11749 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
11750 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
11751 freq = MHZ_TO_KHZ(freq);
11752 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
11753 if (!connect.channel_hint)
11757 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
11758 connect.edmg.channels =
11759 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
11761 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
11762 connect.edmg.bw_config =
11763 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
11766 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
11767 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
11768 if (IS_ERR(connkeys))
11769 return PTR_ERR(connkeys);
11772 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
11773 connect.flags |= ASSOC_REQ_DISABLE_HT;
11775 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11776 memcpy(&connect.ht_capa_mask,
11777 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11778 sizeof(connect.ht_capa_mask));
11780 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11781 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
11782 kfree_sensitive(connkeys);
11785 memcpy(&connect.ht_capa,
11786 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11787 sizeof(connect.ht_capa));
11790 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
11791 connect.flags |= ASSOC_REQ_DISABLE_VHT;
11793 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
11794 connect.flags |= ASSOC_REQ_DISABLE_HE;
11796 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
11797 connect.flags |= ASSOC_REQ_DISABLE_EHT;
11799 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11800 memcpy(&connect.vht_capa_mask,
11801 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
11802 sizeof(connect.vht_capa_mask));
11804 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
11805 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
11806 kfree_sensitive(connkeys);
11809 memcpy(&connect.vht_capa,
11810 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
11811 sizeof(connect.vht_capa));
11814 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
11815 if (!((rdev->wiphy.features &
11816 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
11817 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
11818 !wiphy_ext_feature_isset(&rdev->wiphy,
11819 NL80211_EXT_FEATURE_RRM)) {
11820 kfree_sensitive(connkeys);
11823 connect.flags |= ASSOC_REQ_USE_RRM;
11826 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
11827 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
11828 kfree_sensitive(connkeys);
11829 return -EOPNOTSUPP;
11832 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
11833 /* bss selection makes no sense if bssid is set */
11834 if (connect.bssid) {
11835 kfree_sensitive(connkeys);
11839 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
11840 wiphy, &connect.bss_select);
11842 kfree_sensitive(connkeys);
11847 if (wiphy_ext_feature_isset(&rdev->wiphy,
11848 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
11849 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
11850 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
11851 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
11852 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11853 connect.fils_erp_username =
11854 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11855 connect.fils_erp_username_len =
11856 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11857 connect.fils_erp_realm =
11858 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11859 connect.fils_erp_realm_len =
11860 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11861 connect.fils_erp_next_seq_num =
11863 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
11864 connect.fils_erp_rrk =
11865 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11866 connect.fils_erp_rrk_len =
11867 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11868 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
11869 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
11870 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
11871 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11872 kfree_sensitive(connkeys);
11876 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
11877 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11878 kfree_sensitive(connkeys);
11879 GENL_SET_ERR_MSG(info,
11880 "external auth requires connection ownership");
11883 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
11886 if (nla_get_flag(info->attrs[NL80211_ATTR_MLO_SUPPORT]))
11887 connect.flags |= CONNECT_REQ_MLO_SUPPORT;
11889 wdev_lock(dev->ieee80211_ptr);
11891 err = cfg80211_connect(rdev, dev, &connect, connkeys,
11892 connect.prev_bssid);
11894 kfree_sensitive(connkeys);
11896 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11897 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11899 memcpy(dev->ieee80211_ptr->disconnect_bssid,
11900 connect.bssid, ETH_ALEN);
11902 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
11905 wdev_unlock(dev->ieee80211_ptr);
11910 static int nl80211_update_connect_params(struct sk_buff *skb,
11911 struct genl_info *info)
11913 struct cfg80211_connect_params connect = {};
11914 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11915 struct net_device *dev = info->user_ptr[1];
11916 struct wireless_dev *wdev = dev->ieee80211_ptr;
11917 bool fils_sk_offload;
11922 if (!rdev->ops->update_connect_params)
11923 return -EOPNOTSUPP;
11925 if (info->attrs[NL80211_ATTR_IE]) {
11926 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11927 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11928 changed |= UPDATE_ASSOC_IES;
11931 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
11932 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
11935 * when driver supports fils-sk offload all attributes must be
11936 * provided. So the else covers "fils-sk-not-all" and
11937 * "no-fils-sk-any".
11939 if (fils_sk_offload &&
11940 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
11941 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
11942 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
11943 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11944 connect.fils_erp_username =
11945 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11946 connect.fils_erp_username_len =
11947 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11948 connect.fils_erp_realm =
11949 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11950 connect.fils_erp_realm_len =
11951 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11952 connect.fils_erp_next_seq_num =
11954 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
11955 connect.fils_erp_rrk =
11956 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11957 connect.fils_erp_rrk_len =
11958 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11959 changed |= UPDATE_FILS_ERP_INFO;
11960 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
11961 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
11962 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
11963 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11967 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11968 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11969 if (!nl80211_valid_auth_type(rdev, auth_type,
11970 NL80211_CMD_CONNECT))
11973 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
11974 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
11977 connect.auth_type = auth_type;
11978 changed |= UPDATE_AUTH_TYPE;
11981 wdev_lock(dev->ieee80211_ptr);
11982 if (!wdev->connected)
11985 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
11986 wdev_unlock(dev->ieee80211_ptr);
11991 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
11993 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11994 struct net_device *dev = info->user_ptr[1];
11998 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11999 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
12002 if (!info->attrs[NL80211_ATTR_REASON_CODE])
12003 reason = WLAN_REASON_DEAUTH_LEAVING;
12005 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
12010 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12011 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12012 return -EOPNOTSUPP;
12014 wdev_lock(dev->ieee80211_ptr);
12015 ret = cfg80211_disconnect(rdev, dev, reason, true);
12016 wdev_unlock(dev->ieee80211_ptr);
12020 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
12022 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12026 if (info->attrs[NL80211_ATTR_PID]) {
12027 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
12029 net = get_net_ns_by_pid(pid);
12030 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
12031 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
12033 net = get_net_ns_by_fd(fd);
12039 return PTR_ERR(net);
12043 /* check if anything to do */
12044 if (!net_eq(wiphy_net(&rdev->wiphy), net))
12045 err = cfg80211_switch_netns(rdev, net);
12051 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
12053 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12054 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
12055 struct cfg80211_pmksa *pmksa) = NULL;
12056 struct net_device *dev = info->user_ptr[1];
12057 struct cfg80211_pmksa pmksa;
12059 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
12061 if (!info->attrs[NL80211_ATTR_PMKID])
12064 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
12066 if (info->attrs[NL80211_ATTR_MAC]) {
12067 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
12068 } else if (info->attrs[NL80211_ATTR_SSID] &&
12069 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
12070 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
12071 info->attrs[NL80211_ATTR_PMK])) {
12072 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
12073 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
12075 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
12079 if (info->attrs[NL80211_ATTR_PMK]) {
12080 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
12081 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
12084 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
12085 pmksa.pmk_lifetime =
12086 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
12088 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
12089 pmksa.pmk_reauth_threshold =
12091 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
12093 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12094 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
12095 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
12096 wiphy_ext_feature_isset(&rdev->wiphy,
12097 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
12098 return -EOPNOTSUPP;
12100 switch (info->genlhdr->cmd) {
12101 case NL80211_CMD_SET_PMKSA:
12102 rdev_ops = rdev->ops->set_pmksa;
12104 case NL80211_CMD_DEL_PMKSA:
12105 rdev_ops = rdev->ops->del_pmksa;
12113 return -EOPNOTSUPP;
12115 return rdev_ops(&rdev->wiphy, dev, &pmksa);
12118 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
12120 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12121 struct net_device *dev = info->user_ptr[1];
12123 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12124 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12125 return -EOPNOTSUPP;
12127 if (!rdev->ops->flush_pmksa)
12128 return -EOPNOTSUPP;
12130 return rdev_flush_pmksa(rdev, dev);
12133 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
12135 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12136 struct net_device *dev = info->user_ptr[1];
12137 u8 action_code, dialog_token;
12138 u32 peer_capability = 0;
12143 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12144 !rdev->ops->tdls_mgmt)
12145 return -EOPNOTSUPP;
12147 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
12148 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
12149 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
12150 !info->attrs[NL80211_ATTR_IE] ||
12151 !info->attrs[NL80211_ATTR_MAC])
12154 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12155 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
12156 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
12157 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
12158 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
12159 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
12161 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
12163 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
12164 dialog_token, status_code, peer_capability,
12166 nla_data(info->attrs[NL80211_ATTR_IE]),
12167 nla_len(info->attrs[NL80211_ATTR_IE]));
12170 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
12172 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12173 struct net_device *dev = info->user_ptr[1];
12174 enum nl80211_tdls_operation operation;
12177 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12178 !rdev->ops->tdls_oper)
12179 return -EOPNOTSUPP;
12181 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
12182 !info->attrs[NL80211_ATTR_MAC])
12185 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
12186 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12188 return rdev_tdls_oper(rdev, dev, peer, operation);
12191 static int nl80211_remain_on_channel(struct sk_buff *skb,
12192 struct genl_info *info)
12194 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12195 unsigned int link_id = nl80211_link_id(info->attrs);
12196 struct wireless_dev *wdev = info->user_ptr[1];
12197 struct cfg80211_chan_def chandef;
12198 struct sk_buff *msg;
12204 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
12205 !info->attrs[NL80211_ATTR_DURATION])
12208 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12210 if (!rdev->ops->remain_on_channel ||
12211 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
12212 return -EOPNOTSUPP;
12215 * We should be on that channel for at least a minimum amount of
12216 * time (10ms) but no longer than the driver supports.
12218 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12219 duration > rdev->wiphy.max_remain_on_channel_duration)
12222 err = nl80211_parse_chandef(rdev, info, &chandef);
12227 if (!cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
12228 const struct cfg80211_chan_def *oper_chandef, *compat_chandef;
12230 oper_chandef = wdev_chandef(wdev, link_id);
12232 if (WARN_ON(!oper_chandef)) {
12233 /* cannot happen since we must beacon to get here */
12239 /* note: returns first one if identical chandefs */
12240 compat_chandef = cfg80211_chandef_compatible(&chandef,
12243 if (compat_chandef != &chandef) {
12250 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12254 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12255 NL80211_CMD_REMAIN_ON_CHANNEL);
12261 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
12262 duration, &cookie);
12267 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12269 goto nla_put_failure;
12271 genlmsg_end(msg, hdr);
12273 return genlmsg_reply(msg, info);
12282 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
12283 struct genl_info *info)
12285 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12286 struct wireless_dev *wdev = info->user_ptr[1];
12289 if (!info->attrs[NL80211_ATTR_COOKIE])
12292 if (!rdev->ops->cancel_remain_on_channel)
12293 return -EOPNOTSUPP;
12295 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12297 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
12300 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
12301 struct genl_info *info)
12303 struct cfg80211_bitrate_mask mask;
12304 unsigned int link_id = nl80211_link_id(info->attrs);
12305 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12306 struct net_device *dev = info->user_ptr[1];
12307 struct wireless_dev *wdev = dev->ieee80211_ptr;
12310 if (!rdev->ops->set_bitrate_mask)
12311 return -EOPNOTSUPP;
12314 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
12315 NL80211_ATTR_TX_RATES, &mask,
12316 dev, true, link_id);
12320 err = rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
12326 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
12328 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12329 struct wireless_dev *wdev = info->user_ptr[1];
12330 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
12332 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
12335 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
12336 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
12338 switch (wdev->iftype) {
12339 case NL80211_IFTYPE_STATION:
12340 case NL80211_IFTYPE_ADHOC:
12341 case NL80211_IFTYPE_P2P_CLIENT:
12342 case NL80211_IFTYPE_AP:
12343 case NL80211_IFTYPE_AP_VLAN:
12344 case NL80211_IFTYPE_MESH_POINT:
12345 case NL80211_IFTYPE_P2P_GO:
12346 case NL80211_IFTYPE_P2P_DEVICE:
12348 case NL80211_IFTYPE_NAN:
12349 if (!wiphy_ext_feature_isset(wdev->wiphy,
12350 NL80211_EXT_FEATURE_SECURE_NAN))
12351 return -EOPNOTSUPP;
12354 return -EOPNOTSUPP;
12357 /* not much point in registering if we can't reply */
12358 if (!rdev->ops->mgmt_tx)
12359 return -EOPNOTSUPP;
12361 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
12362 !wiphy_ext_feature_isset(&rdev->wiphy,
12363 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
12364 GENL_SET_ERR_MSG(info,
12365 "multicast RX registrations are not supported");
12366 return -EOPNOTSUPP;
12369 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
12370 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12371 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12372 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
12376 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
12378 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12379 struct wireless_dev *wdev = info->user_ptr[1];
12380 struct cfg80211_chan_def chandef;
12384 struct sk_buff *msg = NULL;
12385 struct cfg80211_mgmt_tx_params params = {
12386 .dont_wait_for_ack =
12387 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
12390 if (!info->attrs[NL80211_ATTR_FRAME])
12393 if (!rdev->ops->mgmt_tx)
12394 return -EOPNOTSUPP;
12396 switch (wdev->iftype) {
12397 case NL80211_IFTYPE_P2P_DEVICE:
12398 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
12401 case NL80211_IFTYPE_STATION:
12402 case NL80211_IFTYPE_ADHOC:
12403 case NL80211_IFTYPE_P2P_CLIENT:
12404 case NL80211_IFTYPE_AP:
12405 case NL80211_IFTYPE_AP_VLAN:
12406 case NL80211_IFTYPE_MESH_POINT:
12407 case NL80211_IFTYPE_P2P_GO:
12409 case NL80211_IFTYPE_NAN:
12410 if (!wiphy_ext_feature_isset(wdev->wiphy,
12411 NL80211_EXT_FEATURE_SECURE_NAN))
12412 return -EOPNOTSUPP;
12415 return -EOPNOTSUPP;
12418 if (info->attrs[NL80211_ATTR_DURATION]) {
12419 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
12421 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12424 * We should wait on the channel for at least a minimum amount
12425 * of time (10ms) but no longer than the driver supports.
12427 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12428 params.wait > rdev->wiphy.max_remain_on_channel_duration)
12432 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
12434 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
12437 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
12439 /* get the channel if any has been specified, otherwise pass NULL to
12440 * the driver. The latter will use the current one
12442 chandef.chan = NULL;
12443 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
12444 err = nl80211_parse_chandef(rdev, info, &chandef);
12449 if (!chandef.chan && params.offchan)
12453 if (params.offchan &&
12454 !cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
12459 params.link_id = nl80211_link_id_or_invalid(info->attrs);
12461 * This now races due to the unlock, but we cannot check
12462 * the valid links for the _station_ anyway, so that's up
12465 if (params.link_id >= 0 &&
12466 !(wdev->valid_links & BIT(params.link_id))) {
12472 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
12473 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
12475 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
12476 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12479 if (len % sizeof(u16))
12482 params.n_csa_offsets = len / sizeof(u16);
12483 params.csa_offsets =
12484 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12486 /* check that all the offsets fit the frame */
12487 for (i = 0; i < params.n_csa_offsets; i++) {
12488 if (params.csa_offsets[i] >= params.len)
12493 if (!params.dont_wait_for_ack) {
12494 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12498 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12499 NL80211_CMD_FRAME);
12506 params.chan = chandef.chan;
12507 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
12512 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12514 goto nla_put_failure;
12516 genlmsg_end(msg, hdr);
12517 return genlmsg_reply(msg, info);
12529 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
12531 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12532 struct wireless_dev *wdev = info->user_ptr[1];
12535 if (!info->attrs[NL80211_ATTR_COOKIE])
12538 if (!rdev->ops->mgmt_tx_cancel_wait)
12539 return -EOPNOTSUPP;
12541 switch (wdev->iftype) {
12542 case NL80211_IFTYPE_STATION:
12543 case NL80211_IFTYPE_ADHOC:
12544 case NL80211_IFTYPE_P2P_CLIENT:
12545 case NL80211_IFTYPE_AP:
12546 case NL80211_IFTYPE_AP_VLAN:
12547 case NL80211_IFTYPE_P2P_GO:
12548 case NL80211_IFTYPE_P2P_DEVICE:
12550 case NL80211_IFTYPE_NAN:
12551 if (!wiphy_ext_feature_isset(wdev->wiphy,
12552 NL80211_EXT_FEATURE_SECURE_NAN))
12553 return -EOPNOTSUPP;
12556 return -EOPNOTSUPP;
12559 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12561 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
12564 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
12566 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12567 struct wireless_dev *wdev;
12568 struct net_device *dev = info->user_ptr[1];
12573 if (!info->attrs[NL80211_ATTR_PS_STATE])
12576 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
12578 wdev = dev->ieee80211_ptr;
12580 if (!rdev->ops->set_power_mgmt)
12581 return -EOPNOTSUPP;
12583 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
12585 if (state == wdev->ps)
12588 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
12594 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
12596 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12597 enum nl80211_ps_state ps_state;
12598 struct wireless_dev *wdev;
12599 struct net_device *dev = info->user_ptr[1];
12600 struct sk_buff *msg;
12604 wdev = dev->ieee80211_ptr;
12606 if (!rdev->ops->set_power_mgmt)
12607 return -EOPNOTSUPP;
12609 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12613 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12614 NL80211_CMD_GET_POWER_SAVE);
12621 ps_state = NL80211_PS_ENABLED;
12623 ps_state = NL80211_PS_DISABLED;
12625 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
12626 goto nla_put_failure;
12628 genlmsg_end(msg, hdr);
12629 return genlmsg_reply(msg, info);
12638 static const struct nla_policy
12639 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
12640 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
12641 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
12642 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
12643 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
12644 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
12645 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
12646 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
12649 static int nl80211_set_cqm_txe(struct genl_info *info,
12650 u32 rate, u32 pkts, u32 intvl)
12652 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12653 struct net_device *dev = info->user_ptr[1];
12654 struct wireless_dev *wdev = dev->ieee80211_ptr;
12656 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
12659 if (!rdev->ops->set_cqm_txe_config)
12660 return -EOPNOTSUPP;
12662 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12663 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12664 return -EOPNOTSUPP;
12666 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
12669 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
12670 struct net_device *dev)
12672 struct wireless_dev *wdev = dev->ieee80211_ptr;
12673 s32 last, low, high;
12675 int i, n, low_index;
12678 /* RSSI reporting disabled? */
12679 if (!wdev->cqm_config)
12680 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
12683 * Obtain current RSSI value if possible, if not and no RSSI threshold
12684 * event has been received yet, we should receive an event after a
12685 * connection is established and enough beacons received to calculate
12688 if (!wdev->cqm_config->last_rssi_event_value &&
12689 wdev->links[0].client.current_bss &&
12690 rdev->ops->get_station) {
12691 struct station_info sinfo = {};
12694 mac_addr = wdev->links[0].client.current_bss->pub.bssid;
12696 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
12700 cfg80211_sinfo_release_content(&sinfo);
12701 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
12702 wdev->cqm_config->last_rssi_event_value =
12703 (s8) sinfo.rx_beacon_signal_avg;
12706 last = wdev->cqm_config->last_rssi_event_value;
12707 hyst = wdev->cqm_config->rssi_hyst;
12708 n = wdev->cqm_config->n_rssi_thresholds;
12710 for (i = 0; i < n; i++) {
12711 i = array_index_nospec(i, n);
12712 if (last < wdev->cqm_config->rssi_thresholds[i])
12717 if (low_index >= 0) {
12718 low_index = array_index_nospec(low_index, n);
12719 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
12724 i = array_index_nospec(i, n);
12725 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
12730 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
12733 static int nl80211_set_cqm_rssi(struct genl_info *info,
12734 const s32 *thresholds, int n_thresholds,
12737 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12738 struct net_device *dev = info->user_ptr[1];
12739 struct wireless_dev *wdev = dev->ieee80211_ptr;
12741 s32 prev = S32_MIN;
12743 /* Check all values negative and sorted */
12744 for (i = 0; i < n_thresholds; i++) {
12745 if (thresholds[i] > 0 || thresholds[i] <= prev)
12748 prev = thresholds[i];
12751 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12752 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12753 return -EOPNOTSUPP;
12756 cfg80211_cqm_config_free(wdev);
12759 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
12760 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
12761 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
12763 return rdev_set_cqm_rssi_config(rdev, dev,
12764 thresholds[0], hysteresis);
12767 if (!wiphy_ext_feature_isset(&rdev->wiphy,
12768 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
12769 return -EOPNOTSUPP;
12771 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
12775 if (n_thresholds) {
12776 struct cfg80211_cqm_config *cqm_config;
12778 cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds,
12786 cqm_config->rssi_hyst = hysteresis;
12787 cqm_config->n_rssi_thresholds = n_thresholds;
12788 memcpy(cqm_config->rssi_thresholds, thresholds,
12789 flex_array_size(cqm_config, rssi_thresholds,
12792 wdev->cqm_config = cqm_config;
12795 err = cfg80211_cqm_rssi_update(rdev, dev);
12803 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
12805 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
12806 struct nlattr *cqm;
12809 cqm = info->attrs[NL80211_ATTR_CQM];
12813 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
12814 nl80211_attr_cqm_policy,
12819 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
12820 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
12821 const s32 *thresholds =
12822 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
12823 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
12824 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
12829 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
12833 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
12834 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
12835 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
12836 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
12837 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
12838 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
12840 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
12846 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
12848 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12849 struct net_device *dev = info->user_ptr[1];
12850 struct ocb_setup setup = {};
12853 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
12857 return cfg80211_join_ocb(rdev, dev, &setup);
12860 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
12862 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12863 struct net_device *dev = info->user_ptr[1];
12865 return cfg80211_leave_ocb(rdev, dev);
12868 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
12870 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12871 struct net_device *dev = info->user_ptr[1];
12872 struct mesh_config cfg;
12873 struct mesh_setup setup;
12876 /* start with default */
12877 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
12878 memcpy(&setup, &default_mesh_setup, sizeof(setup));
12880 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
12881 /* and parse parameters if given */
12882 err = nl80211_parse_mesh_config(info, &cfg, NULL);
12887 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
12888 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
12891 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
12892 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
12894 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
12895 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
12896 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
12899 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
12900 setup.beacon_interval =
12901 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12903 err = cfg80211_validate_beacon_int(rdev,
12904 NL80211_IFTYPE_MESH_POINT,
12905 setup.beacon_interval);
12910 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
12911 setup.dtim_period =
12912 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
12913 if (setup.dtim_period < 1 || setup.dtim_period > 100)
12917 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
12918 /* parse additional setup parameters if given */
12919 err = nl80211_parse_mesh_setup(info, &setup);
12924 if (setup.user_mpm)
12925 cfg.auto_open_plinks = false;
12927 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
12928 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
12932 /* __cfg80211_join_mesh() will sort it out */
12933 setup.chandef.chan = NULL;
12936 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
12937 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
12939 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
12940 struct ieee80211_supported_band *sband;
12942 if (!setup.chandef.chan)
12945 sband = rdev->wiphy.bands[setup.chandef.chan->band];
12947 err = ieee80211_get_ratemask(sband, rates, n_rates,
12948 &setup.basic_rates);
12953 if (info->attrs[NL80211_ATTR_TX_RATES]) {
12954 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
12955 NL80211_ATTR_TX_RATES,
12956 &setup.beacon_rate,
12961 if (!setup.chandef.chan)
12964 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
12965 &setup.beacon_rate);
12970 setup.userspace_handles_dfs =
12971 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
12973 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
12974 int r = validate_pae_over_nl80211(rdev, info);
12979 setup.control_port_over_nl80211 = true;
12982 wdev_lock(dev->ieee80211_ptr);
12983 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
12984 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
12985 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
12986 wdev_unlock(dev->ieee80211_ptr);
12991 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
12993 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12994 struct net_device *dev = info->user_ptr[1];
12996 return cfg80211_leave_mesh(rdev, dev);
13000 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
13001 struct cfg80211_registered_device *rdev)
13003 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
13004 struct nlattr *nl_pats, *nl_pat;
13007 if (!wowlan->n_patterns)
13010 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
13014 for (i = 0; i < wowlan->n_patterns; i++) {
13015 nl_pat = nla_nest_start_noflag(msg, i + 1);
13018 pat_len = wowlan->patterns[i].pattern_len;
13019 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
13020 wowlan->patterns[i].mask) ||
13021 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13022 wowlan->patterns[i].pattern) ||
13023 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
13024 wowlan->patterns[i].pkt_offset))
13026 nla_nest_end(msg, nl_pat);
13028 nla_nest_end(msg, nl_pats);
13033 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
13034 struct cfg80211_wowlan_tcp *tcp)
13036 struct nlattr *nl_tcp;
13041 nl_tcp = nla_nest_start_noflag(msg,
13042 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
13046 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
13047 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
13048 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
13049 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
13050 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
13051 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
13052 tcp->payload_len, tcp->payload) ||
13053 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
13054 tcp->data_interval) ||
13055 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
13056 tcp->wake_len, tcp->wake_data) ||
13057 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
13058 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
13061 if (tcp->payload_seq.len &&
13062 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
13063 sizeof(tcp->payload_seq), &tcp->payload_seq))
13066 if (tcp->payload_tok.len &&
13067 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
13068 sizeof(tcp->payload_tok) + tcp->tokens_size,
13069 &tcp->payload_tok))
13072 nla_nest_end(msg, nl_tcp);
13077 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
13078 struct cfg80211_sched_scan_request *req)
13080 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
13086 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
13090 if (req->n_scan_plans == 1 &&
13091 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
13092 req->scan_plans[0].interval * 1000))
13095 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
13098 if (req->relative_rssi_set) {
13099 struct nl80211_bss_select_rssi_adjust rssi_adjust;
13101 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
13102 req->relative_rssi))
13105 rssi_adjust.band = req->rssi_adjust.band;
13106 rssi_adjust.delta = req->rssi_adjust.delta;
13107 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
13108 sizeof(rssi_adjust), &rssi_adjust))
13112 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
13116 for (i = 0; i < req->n_channels; i++) {
13117 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
13121 nla_nest_end(msg, freqs);
13123 if (req->n_match_sets) {
13124 matches = nla_nest_start_noflag(msg,
13125 NL80211_ATTR_SCHED_SCAN_MATCH);
13129 for (i = 0; i < req->n_match_sets; i++) {
13130 match = nla_nest_start_noflag(msg, i);
13134 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
13135 req->match_sets[i].ssid.ssid_len,
13136 req->match_sets[i].ssid.ssid))
13138 nla_nest_end(msg, match);
13140 nla_nest_end(msg, matches);
13143 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
13147 for (i = 0; i < req->n_scan_plans; i++) {
13148 scan_plan = nla_nest_start_noflag(msg, i + 1);
13152 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
13153 req->scan_plans[i].interval) ||
13154 (req->scan_plans[i].iterations &&
13155 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
13156 req->scan_plans[i].iterations)))
13158 nla_nest_end(msg, scan_plan);
13160 nla_nest_end(msg, scan_plans);
13162 nla_nest_end(msg, nd);
13167 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
13169 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13170 struct sk_buff *msg;
13172 u32 size = NLMSG_DEFAULT_SIZE;
13174 if (!rdev->wiphy.wowlan)
13175 return -EOPNOTSUPP;
13177 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
13178 /* adjust size to have room for all the data */
13179 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
13180 rdev->wiphy.wowlan_config->tcp->payload_len +
13181 rdev->wiphy.wowlan_config->tcp->wake_len +
13182 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
13185 msg = nlmsg_new(size, GFP_KERNEL);
13189 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13190 NL80211_CMD_GET_WOWLAN);
13192 goto nla_put_failure;
13194 if (rdev->wiphy.wowlan_config) {
13195 struct nlattr *nl_wowlan;
13197 nl_wowlan = nla_nest_start_noflag(msg,
13198 NL80211_ATTR_WOWLAN_TRIGGERS);
13200 goto nla_put_failure;
13202 if ((rdev->wiphy.wowlan_config->any &&
13203 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
13204 (rdev->wiphy.wowlan_config->disconnect &&
13205 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
13206 (rdev->wiphy.wowlan_config->magic_pkt &&
13207 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
13208 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
13209 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
13210 (rdev->wiphy.wowlan_config->eap_identity_req &&
13211 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
13212 (rdev->wiphy.wowlan_config->four_way_handshake &&
13213 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
13214 (rdev->wiphy.wowlan_config->rfkill_release &&
13215 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
13216 goto nla_put_failure;
13218 if (nl80211_send_wowlan_patterns(msg, rdev))
13219 goto nla_put_failure;
13221 if (nl80211_send_wowlan_tcp(msg,
13222 rdev->wiphy.wowlan_config->tcp))
13223 goto nla_put_failure;
13225 if (nl80211_send_wowlan_nd(
13227 rdev->wiphy.wowlan_config->nd_config))
13228 goto nla_put_failure;
13230 nla_nest_end(msg, nl_wowlan);
13233 genlmsg_end(msg, hdr);
13234 return genlmsg_reply(msg, info);
13241 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
13242 struct nlattr *attr,
13243 struct cfg80211_wowlan *trig)
13245 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
13246 struct cfg80211_wowlan_tcp *cfg;
13247 struct nl80211_wowlan_tcp_data_token *tok = NULL;
13248 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
13250 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
13253 if (!rdev->wiphy.wowlan->tcp)
13256 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
13257 nl80211_wowlan_tcp_policy, NULL);
13261 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
13262 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
13263 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
13264 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
13265 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
13266 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
13267 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
13268 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
13271 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
13272 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
13275 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
13276 rdev->wiphy.wowlan->tcp->data_interval_max ||
13277 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
13280 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
13281 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
13284 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
13285 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
13288 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
13289 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13291 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13292 tokens_size = tokln - sizeof(*tok);
13294 if (!tok->len || tokens_size % tok->len)
13296 if (!rdev->wiphy.wowlan->tcp->tok)
13298 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
13300 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
13302 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
13304 if (tok->offset + tok->len > data_size)
13308 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
13309 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
13310 if (!rdev->wiphy.wowlan->tcp->seq)
13312 if (seq->len == 0 || seq->len > 4)
13314 if (seq->len + seq->offset > data_size)
13318 size = sizeof(*cfg);
13320 size += wake_size + wake_mask_size;
13321 size += tokens_size;
13323 cfg = kzalloc(size, GFP_KERNEL);
13326 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
13327 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
13328 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
13330 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
13331 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
13335 /* allocate a socket and port for it and use it */
13336 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
13337 IPPROTO_TCP, &cfg->sock, 1);
13342 if (inet_csk_get_port(cfg->sock->sk, port)) {
13343 sock_release(cfg->sock);
13345 return -EADDRINUSE;
13347 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
13353 cfg->src_port = port;
13356 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
13357 cfg->payload_len = data_size;
13358 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
13359 memcpy((void *)cfg->payload,
13360 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
13363 cfg->payload_seq = *seq;
13364 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
13365 cfg->wake_len = wake_size;
13366 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
13367 memcpy((void *)cfg->wake_data,
13368 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
13370 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
13371 data_size + wake_size;
13372 memcpy((void *)cfg->wake_mask,
13373 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
13376 cfg->tokens_size = tokens_size;
13377 cfg->payload_tok = *tok;
13378 memcpy(cfg->payload_tok.token_stream, tok->token_stream,
13387 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
13388 const struct wiphy_wowlan_support *wowlan,
13389 struct nlattr *attr,
13390 struct cfg80211_wowlan *trig)
13392 struct nlattr **tb;
13395 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
13399 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
13404 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
13405 nl80211_policy, NULL);
13409 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
13410 wowlan->max_nd_match_sets);
13411 err = PTR_ERR_OR_ZERO(trig->nd_config);
13413 trig->nd_config = NULL;
13420 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
13422 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13423 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
13424 struct cfg80211_wowlan new_triggers = {};
13425 struct cfg80211_wowlan *ntrig;
13426 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
13428 bool prev_enabled = rdev->wiphy.wowlan_config;
13429 bool regular = false;
13432 return -EOPNOTSUPP;
13434 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
13435 cfg80211_rdev_free_wowlan(rdev);
13436 rdev->wiphy.wowlan_config = NULL;
13440 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
13441 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
13442 nl80211_wowlan_policy, info->extack);
13446 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
13447 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
13449 new_triggers.any = true;
13452 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
13453 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
13455 new_triggers.disconnect = true;
13459 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
13460 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
13462 new_triggers.magic_pkt = true;
13466 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
13469 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
13470 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
13472 new_triggers.gtk_rekey_failure = true;
13476 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
13477 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
13479 new_triggers.eap_identity_req = true;
13483 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
13484 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
13486 new_triggers.four_way_handshake = true;
13490 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
13491 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
13493 new_triggers.rfkill_release = true;
13497 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
13498 struct nlattr *pat;
13499 int n_patterns = 0;
13500 int rem, pat_len, mask_len, pkt_offset;
13501 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13505 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13508 if (n_patterns > wowlan->n_patterns)
13511 new_triggers.patterns = kcalloc(n_patterns,
13512 sizeof(new_triggers.patterns[0]),
13514 if (!new_triggers.patterns)
13517 new_triggers.n_patterns = n_patterns;
13520 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13524 err = nla_parse_nested_deprecated(pat_tb,
13525 MAX_NL80211_PKTPAT,
13527 nl80211_packet_pattern_policy,
13533 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13534 !pat_tb[NL80211_PKTPAT_PATTERN])
13536 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
13537 mask_len = DIV_ROUND_UP(pat_len, 8);
13538 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
13540 if (pat_len > wowlan->pattern_max_len ||
13541 pat_len < wowlan->pattern_min_len)
13544 if (!pat_tb[NL80211_PKTPAT_OFFSET])
13547 pkt_offset = nla_get_u32(
13548 pat_tb[NL80211_PKTPAT_OFFSET]);
13549 if (pkt_offset > wowlan->max_pkt_offset)
13551 new_triggers.patterns[i].pkt_offset = pkt_offset;
13553 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13558 new_triggers.patterns[i].mask = mask_pat;
13559 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
13561 mask_pat += mask_len;
13562 new_triggers.patterns[i].pattern = mask_pat;
13563 new_triggers.patterns[i].pattern_len = pat_len;
13565 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
13571 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
13573 err = nl80211_parse_wowlan_tcp(
13574 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
13580 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
13582 err = nl80211_parse_wowlan_nd(
13583 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
13589 /* The 'any' trigger means the device continues operating more or less
13590 * as in its normal operation mode and wakes up the host on most of the
13591 * normal interrupts (like packet RX, ...)
13592 * It therefore makes little sense to combine with the more constrained
13593 * wakeup trigger modes.
13595 if (new_triggers.any && regular) {
13600 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
13605 cfg80211_rdev_free_wowlan(rdev);
13606 rdev->wiphy.wowlan_config = ntrig;
13609 if (rdev->ops->set_wakeup &&
13610 prev_enabled != !!rdev->wiphy.wowlan_config)
13611 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
13615 for (i = 0; i < new_triggers.n_patterns; i++)
13616 kfree(new_triggers.patterns[i].mask);
13617 kfree(new_triggers.patterns);
13618 if (new_triggers.tcp && new_triggers.tcp->sock)
13619 sock_release(new_triggers.tcp->sock);
13620 kfree(new_triggers.tcp);
13621 kfree(new_triggers.nd_config);
13626 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
13627 struct cfg80211_registered_device *rdev)
13629 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
13631 struct cfg80211_coalesce_rules *rule;
13633 if (!rdev->coalesce->n_rules)
13636 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
13640 for (i = 0; i < rdev->coalesce->n_rules; i++) {
13641 nl_rule = nla_nest_start_noflag(msg, i + 1);
13645 rule = &rdev->coalesce->rules[i];
13646 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
13650 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
13654 nl_pats = nla_nest_start_noflag(msg,
13655 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
13659 for (j = 0; j < rule->n_patterns; j++) {
13660 nl_pat = nla_nest_start_noflag(msg, j + 1);
13663 pat_len = rule->patterns[j].pattern_len;
13664 if (nla_put(msg, NL80211_PKTPAT_MASK,
13665 DIV_ROUND_UP(pat_len, 8),
13666 rule->patterns[j].mask) ||
13667 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13668 rule->patterns[j].pattern) ||
13669 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
13670 rule->patterns[j].pkt_offset))
13672 nla_nest_end(msg, nl_pat);
13674 nla_nest_end(msg, nl_pats);
13675 nla_nest_end(msg, nl_rule);
13677 nla_nest_end(msg, nl_rules);
13682 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
13684 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13685 struct sk_buff *msg;
13688 if (!rdev->wiphy.coalesce)
13689 return -EOPNOTSUPP;
13691 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13695 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13696 NL80211_CMD_GET_COALESCE);
13698 goto nla_put_failure;
13700 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
13701 goto nla_put_failure;
13703 genlmsg_end(msg, hdr);
13704 return genlmsg_reply(msg, info);
13711 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
13713 struct cfg80211_coalesce *coalesce = rdev->coalesce;
13715 struct cfg80211_coalesce_rules *rule;
13720 for (i = 0; i < coalesce->n_rules; i++) {
13721 rule = &coalesce->rules[i];
13722 for (j = 0; j < rule->n_patterns; j++)
13723 kfree(rule->patterns[j].mask);
13724 kfree(rule->patterns);
13726 kfree(coalesce->rules);
13728 rdev->coalesce = NULL;
13731 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
13732 struct nlattr *rule,
13733 struct cfg80211_coalesce_rules *new_rule)
13736 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13737 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
13738 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
13739 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13741 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
13742 rule, nl80211_coalesce_policy, NULL);
13746 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
13748 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
13749 if (new_rule->delay > coalesce->max_delay)
13752 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
13753 new_rule->condition =
13754 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
13756 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
13759 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13762 if (n_patterns > coalesce->n_patterns)
13765 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
13767 if (!new_rule->patterns)
13770 new_rule->n_patterns = n_patterns;
13773 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13777 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
13779 nl80211_packet_pattern_policy,
13784 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13785 !pat_tb[NL80211_PKTPAT_PATTERN])
13787 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
13788 mask_len = DIV_ROUND_UP(pat_len, 8);
13789 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
13791 if (pat_len > coalesce->pattern_max_len ||
13792 pat_len < coalesce->pattern_min_len)
13795 if (!pat_tb[NL80211_PKTPAT_OFFSET])
13798 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
13799 if (pkt_offset > coalesce->max_pkt_offset)
13801 new_rule->patterns[i].pkt_offset = pkt_offset;
13803 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13807 new_rule->patterns[i].mask = mask_pat;
13808 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
13811 mask_pat += mask_len;
13812 new_rule->patterns[i].pattern = mask_pat;
13813 new_rule->patterns[i].pattern_len = pat_len;
13814 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
13822 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
13824 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13825 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13826 struct cfg80211_coalesce new_coalesce = {};
13827 struct cfg80211_coalesce *n_coalesce;
13828 int err, rem_rule, n_rules = 0, i, j;
13829 struct nlattr *rule;
13830 struct cfg80211_coalesce_rules *tmp_rule;
13832 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
13833 return -EOPNOTSUPP;
13835 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
13836 cfg80211_rdev_free_coalesce(rdev);
13837 rdev_set_coalesce(rdev, NULL);
13841 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
13844 if (n_rules > coalesce->n_rules)
13847 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
13849 if (!new_coalesce.rules)
13852 new_coalesce.n_rules = n_rules;
13855 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
13857 err = nl80211_parse_coalesce_rule(rdev, rule,
13858 &new_coalesce.rules[i]);
13865 err = rdev_set_coalesce(rdev, &new_coalesce);
13869 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
13874 cfg80211_rdev_free_coalesce(rdev);
13875 rdev->coalesce = n_coalesce;
13879 for (i = 0; i < new_coalesce.n_rules; i++) {
13880 tmp_rule = &new_coalesce.rules[i];
13881 for (j = 0; j < tmp_rule->n_patterns; j++)
13882 kfree(tmp_rule->patterns[j].mask);
13883 kfree(tmp_rule->patterns);
13885 kfree(new_coalesce.rules);
13890 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
13892 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13893 struct net_device *dev = info->user_ptr[1];
13894 struct wireless_dev *wdev = dev->ieee80211_ptr;
13895 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
13896 struct cfg80211_gtk_rekey_data rekey_data = {};
13899 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
13902 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
13903 info->attrs[NL80211_ATTR_REKEY_DATA],
13904 nl80211_rekey_policy, info->extack);
13908 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
13909 !tb[NL80211_REKEY_DATA_KCK])
13911 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
13912 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
13913 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
13915 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
13916 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
13917 nla_len(tb[NL80211_REKEY_DATA_KCK]) == NL80211_KCK_EXT_LEN) &&
13918 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KCK_32 &&
13919 nla_len(tb[NL80211_REKEY_DATA_KCK]) == NL80211_KCK_EXT_LEN_32))
13922 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
13923 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
13924 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
13925 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
13926 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
13927 if (tb[NL80211_REKEY_DATA_AKM])
13928 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
13931 if (!wdev->connected) {
13936 if (!rdev->ops->set_rekey_data) {
13941 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
13947 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
13948 struct genl_info *info)
13950 struct net_device *dev = info->user_ptr[1];
13951 struct wireless_dev *wdev = dev->ieee80211_ptr;
13953 if (wdev->iftype != NL80211_IFTYPE_AP &&
13954 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13957 if (wdev->ap_unexpected_nlportid)
13960 wdev->ap_unexpected_nlportid = info->snd_portid;
13964 static int nl80211_probe_client(struct sk_buff *skb,
13965 struct genl_info *info)
13967 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13968 struct net_device *dev = info->user_ptr[1];
13969 struct wireless_dev *wdev = dev->ieee80211_ptr;
13970 struct sk_buff *msg;
13976 if (wdev->iftype != NL80211_IFTYPE_AP &&
13977 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13978 return -EOPNOTSUPP;
13980 if (!info->attrs[NL80211_ATTR_MAC])
13983 if (!rdev->ops->probe_client)
13984 return -EOPNOTSUPP;
13986 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13990 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13991 NL80211_CMD_PROBE_CLIENT);
13997 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13999 err = rdev_probe_client(rdev, dev, addr, &cookie);
14003 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14005 goto nla_put_failure;
14007 genlmsg_end(msg, hdr);
14009 return genlmsg_reply(msg, info);
14018 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
14020 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14021 struct cfg80211_beacon_registration *reg, *nreg;
14024 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
14025 return -EOPNOTSUPP;
14027 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
14031 /* First, check if already registered. */
14032 spin_lock_bh(&rdev->beacon_registrations_lock);
14033 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
14034 if (reg->nlportid == info->snd_portid) {
14039 /* Add it to the list */
14040 nreg->nlportid = info->snd_portid;
14041 list_add(&nreg->list, &rdev->beacon_registrations);
14043 spin_unlock_bh(&rdev->beacon_registrations_lock);
14047 spin_unlock_bh(&rdev->beacon_registrations_lock);
14052 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
14054 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14055 struct wireless_dev *wdev = info->user_ptr[1];
14058 if (!rdev->ops->start_p2p_device)
14059 return -EOPNOTSUPP;
14061 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
14062 return -EOPNOTSUPP;
14064 if (wdev_running(wdev))
14067 if (rfkill_blocked(rdev->wiphy.rfkill))
14070 err = rdev_start_p2p_device(rdev, wdev);
14074 wdev->is_running = true;
14080 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
14082 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14083 struct wireless_dev *wdev = info->user_ptr[1];
14085 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
14086 return -EOPNOTSUPP;
14088 if (!rdev->ops->stop_p2p_device)
14089 return -EOPNOTSUPP;
14091 cfg80211_stop_p2p_device(rdev, wdev);
14096 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
14098 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14099 struct wireless_dev *wdev = info->user_ptr[1];
14100 struct cfg80211_nan_conf conf = {};
14103 if (wdev->iftype != NL80211_IFTYPE_NAN)
14104 return -EOPNOTSUPP;
14106 if (wdev_running(wdev))
14109 if (rfkill_blocked(rdev->wiphy.rfkill))
14112 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
14116 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14118 if (info->attrs[NL80211_ATTR_BANDS]) {
14119 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14121 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14122 return -EOPNOTSUPP;
14124 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14127 conf.bands = bands;
14130 err = rdev_start_nan(rdev, wdev, &conf);
14134 wdev->is_running = true;
14140 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
14142 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14143 struct wireless_dev *wdev = info->user_ptr[1];
14145 if (wdev->iftype != NL80211_IFTYPE_NAN)
14146 return -EOPNOTSUPP;
14148 cfg80211_stop_nan(rdev, wdev);
14153 static int validate_nan_filter(struct nlattr *filter_attr)
14155 struct nlattr *attr;
14156 int len = 0, n_entries = 0, rem;
14158 nla_for_each_nested(attr, filter_attr, rem) {
14159 len += nla_len(attr);
14169 static int handle_nan_filter(struct nlattr *attr_filter,
14170 struct cfg80211_nan_func *func,
14173 struct nlattr *attr;
14174 int n_entries, rem, i;
14175 struct cfg80211_nan_func_filter *filter;
14177 n_entries = validate_nan_filter(attr_filter);
14181 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
14183 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
14188 nla_for_each_nested(attr, attr_filter, rem) {
14189 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
14190 if (!filter[i].filter)
14193 filter[i].len = nla_len(attr);
14197 func->num_tx_filters = n_entries;
14198 func->tx_filters = filter;
14200 func->num_rx_filters = n_entries;
14201 func->rx_filters = filter;
14208 nla_for_each_nested(attr, attr_filter, rem) {
14209 kfree(filter[i].filter);
14216 static int nl80211_nan_add_func(struct sk_buff *skb,
14217 struct genl_info *info)
14219 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14220 struct wireless_dev *wdev = info->user_ptr[1];
14221 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
14222 struct cfg80211_nan_func *func;
14223 struct sk_buff *msg = NULL;
14227 if (wdev->iftype != NL80211_IFTYPE_NAN)
14228 return -EOPNOTSUPP;
14230 if (!wdev_running(wdev))
14233 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
14236 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
14237 info->attrs[NL80211_ATTR_NAN_FUNC],
14238 nl80211_nan_func_policy,
14243 func = kzalloc(sizeof(*func), GFP_KERNEL);
14247 func->cookie = cfg80211_assign_cookie(rdev);
14249 if (!tb[NL80211_NAN_FUNC_TYPE]) {
14255 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
14257 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
14262 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
14263 sizeof(func->service_id));
14265 func->close_range =
14266 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
14268 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
14269 func->serv_spec_info_len =
14270 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
14271 func->serv_spec_info =
14272 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
14273 func->serv_spec_info_len,
14275 if (!func->serv_spec_info) {
14281 if (tb[NL80211_NAN_FUNC_TTL])
14282 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
14284 switch (func->type) {
14285 case NL80211_NAN_FUNC_PUBLISH:
14286 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
14291 func->publish_type =
14292 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
14293 func->publish_bcast =
14294 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
14296 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
14297 func->publish_bcast) {
14302 case NL80211_NAN_FUNC_SUBSCRIBE:
14303 func->subscribe_active =
14304 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
14306 case NL80211_NAN_FUNC_FOLLOW_UP:
14307 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
14308 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
14309 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
14314 func->followup_id =
14315 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
14316 func->followup_reqid =
14317 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
14318 memcpy(func->followup_dest.addr,
14319 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
14320 sizeof(func->followup_dest.addr));
14331 if (tb[NL80211_NAN_FUNC_SRF]) {
14332 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
14334 err = nla_parse_nested_deprecated(srf_tb,
14335 NL80211_NAN_SRF_ATTR_MAX,
14336 tb[NL80211_NAN_FUNC_SRF],
14337 nl80211_nan_srf_policy,
14342 func->srf_include =
14343 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
14345 if (srf_tb[NL80211_NAN_SRF_BF]) {
14346 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
14347 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
14353 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
14355 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
14356 func->srf_bf_len, GFP_KERNEL);
14357 if (!func->srf_bf) {
14363 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
14365 struct nlattr *attr, *mac_attr =
14366 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
14367 int n_entries, rem, i = 0;
14374 n_entries = validate_acl_mac_addrs(mac_attr);
14375 if (n_entries <= 0) {
14380 func->srf_num_macs = n_entries;
14382 kcalloc(n_entries, sizeof(*func->srf_macs),
14384 if (!func->srf_macs) {
14389 nla_for_each_nested(attr, mac_attr, rem)
14390 memcpy(func->srf_macs[i++].addr, nla_data(attr),
14391 sizeof(*func->srf_macs));
14395 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
14396 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
14402 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
14403 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
14409 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14415 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14416 NL80211_CMD_ADD_NAN_FUNCTION);
14417 /* This can't really happen - we just allocated 4KB */
14418 if (WARN_ON(!hdr)) {
14423 err = rdev_add_nan_func(rdev, wdev, func);
14426 cfg80211_free_nan_func(func);
14431 /* propagate the instance id and cookie to userspace */
14432 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
14434 goto nla_put_failure;
14436 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
14438 goto nla_put_failure;
14440 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
14441 func->instance_id))
14442 goto nla_put_failure;
14444 nla_nest_end(msg, func_attr);
14446 genlmsg_end(msg, hdr);
14447 return genlmsg_reply(msg, info);
14454 static int nl80211_nan_del_func(struct sk_buff *skb,
14455 struct genl_info *info)
14457 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14458 struct wireless_dev *wdev = info->user_ptr[1];
14461 if (wdev->iftype != NL80211_IFTYPE_NAN)
14462 return -EOPNOTSUPP;
14464 if (!wdev_running(wdev))
14467 if (!info->attrs[NL80211_ATTR_COOKIE])
14470 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
14472 rdev_del_nan_func(rdev, wdev, cookie);
14477 static int nl80211_nan_change_config(struct sk_buff *skb,
14478 struct genl_info *info)
14480 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14481 struct wireless_dev *wdev = info->user_ptr[1];
14482 struct cfg80211_nan_conf conf = {};
14485 if (wdev->iftype != NL80211_IFTYPE_NAN)
14486 return -EOPNOTSUPP;
14488 if (!wdev_running(wdev))
14491 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
14493 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14494 if (conf.master_pref <= 1 || conf.master_pref == 255)
14497 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
14500 if (info->attrs[NL80211_ATTR_BANDS]) {
14501 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14503 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14504 return -EOPNOTSUPP;
14506 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14509 conf.bands = bands;
14510 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
14516 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
14519 void cfg80211_nan_match(struct wireless_dev *wdev,
14520 struct cfg80211_nan_match_params *match, gfp_t gfp)
14522 struct wiphy *wiphy = wdev->wiphy;
14523 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14524 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
14525 struct sk_buff *msg;
14528 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
14531 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14535 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
14541 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14542 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14543 wdev->netdev->ifindex)) ||
14544 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14546 goto nla_put_failure;
14548 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
14549 NL80211_ATTR_PAD) ||
14550 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
14551 goto nla_put_failure;
14553 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
14555 goto nla_put_failure;
14557 local_func_attr = nla_nest_start_noflag(msg,
14558 NL80211_NAN_MATCH_FUNC_LOCAL);
14559 if (!local_func_attr)
14560 goto nla_put_failure;
14562 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
14563 goto nla_put_failure;
14565 nla_nest_end(msg, local_func_attr);
14567 peer_func_attr = nla_nest_start_noflag(msg,
14568 NL80211_NAN_MATCH_FUNC_PEER);
14569 if (!peer_func_attr)
14570 goto nla_put_failure;
14572 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
14573 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
14574 goto nla_put_failure;
14576 if (match->info && match->info_len &&
14577 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
14579 goto nla_put_failure;
14581 nla_nest_end(msg, peer_func_attr);
14582 nla_nest_end(msg, match_attr);
14583 genlmsg_end(msg, hdr);
14585 if (!wdev->owner_nlportid)
14586 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14587 msg, 0, NL80211_MCGRP_NAN, gfp);
14589 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14590 wdev->owner_nlportid);
14597 EXPORT_SYMBOL(cfg80211_nan_match);
14599 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
14601 enum nl80211_nan_func_term_reason reason,
14602 u64 cookie, gfp_t gfp)
14604 struct wiphy *wiphy = wdev->wiphy;
14605 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14606 struct sk_buff *msg;
14607 struct nlattr *func_attr;
14610 if (WARN_ON(!inst_id))
14613 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14617 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
14623 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14624 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14625 wdev->netdev->ifindex)) ||
14626 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14628 goto nla_put_failure;
14630 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14632 goto nla_put_failure;
14634 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
14636 goto nla_put_failure;
14638 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
14639 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
14640 goto nla_put_failure;
14642 nla_nest_end(msg, func_attr);
14643 genlmsg_end(msg, hdr);
14645 if (!wdev->owner_nlportid)
14646 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14647 msg, 0, NL80211_MCGRP_NAN, gfp);
14649 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14650 wdev->owner_nlportid);
14657 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
14659 static int nl80211_get_protocol_features(struct sk_buff *skb,
14660 struct genl_info *info)
14663 struct sk_buff *msg;
14665 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14669 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14670 NL80211_CMD_GET_PROTOCOL_FEATURES);
14672 goto nla_put_failure;
14674 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
14675 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
14676 goto nla_put_failure;
14678 genlmsg_end(msg, hdr);
14679 return genlmsg_reply(msg, info);
14686 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
14688 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14689 struct cfg80211_update_ft_ies_params ft_params;
14690 struct net_device *dev = info->user_ptr[1];
14692 if (!rdev->ops->update_ft_ies)
14693 return -EOPNOTSUPP;
14695 if (!info->attrs[NL80211_ATTR_MDID] ||
14696 !info->attrs[NL80211_ATTR_IE])
14699 memset(&ft_params, 0, sizeof(ft_params));
14700 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
14701 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14702 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14704 return rdev_update_ft_ies(rdev, dev, &ft_params);
14707 static int nl80211_crit_protocol_start(struct sk_buff *skb,
14708 struct genl_info *info)
14710 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14711 struct wireless_dev *wdev = info->user_ptr[1];
14712 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
14716 if (!rdev->ops->crit_proto_start)
14717 return -EOPNOTSUPP;
14719 if (WARN_ON(!rdev->ops->crit_proto_stop))
14722 if (rdev->crit_proto_nlportid)
14725 /* determine protocol if provided */
14726 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
14727 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
14729 if (proto >= NUM_NL80211_CRIT_PROTO)
14732 /* timeout must be provided */
14733 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
14737 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
14739 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
14741 rdev->crit_proto_nlportid = info->snd_portid;
14746 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
14747 struct genl_info *info)
14749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14750 struct wireless_dev *wdev = info->user_ptr[1];
14752 if (!rdev->ops->crit_proto_stop)
14753 return -EOPNOTSUPP;
14755 if (rdev->crit_proto_nlportid) {
14756 rdev->crit_proto_nlportid = 0;
14757 rdev_crit_proto_stop(rdev, wdev);
14762 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
14763 struct nlattr *attr,
14764 struct netlink_ext_ack *extack)
14766 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
14767 if (attr->nla_type & NLA_F_NESTED) {
14768 NL_SET_ERR_MSG_ATTR(extack, attr,
14769 "unexpected nested data");
14776 if (!(attr->nla_type & NLA_F_NESTED)) {
14777 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
14781 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
14784 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
14786 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14787 struct wireless_dev *wdev =
14788 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
14793 if (!rdev->wiphy.vendor_commands)
14794 return -EOPNOTSUPP;
14796 if (IS_ERR(wdev)) {
14797 err = PTR_ERR(wdev);
14798 if (err != -EINVAL)
14801 } else if (wdev->wiphy != &rdev->wiphy) {
14805 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
14806 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
14809 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
14810 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
14811 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
14812 const struct wiphy_vendor_command *vcmd;
14816 vcmd = &rdev->wiphy.vendor_commands[i];
14818 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
14821 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
14822 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
14825 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
14829 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
14830 if (!wdev_running(wdev))
14838 return -EOPNOTSUPP;
14840 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
14841 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
14842 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
14844 err = nl80211_vendor_check_policy(vcmd,
14845 info->attrs[NL80211_ATTR_VENDOR_DATA],
14851 rdev->cur_cmd_info = info;
14852 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
14853 rdev->cur_cmd_info = NULL;
14857 return -EOPNOTSUPP;
14860 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
14861 struct netlink_callback *cb,
14862 struct cfg80211_registered_device **rdev,
14863 struct wireless_dev **wdev)
14865 struct nlattr **attrbuf;
14871 unsigned int data_len = 0;
14874 /* subtract the 1 again here */
14875 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
14876 struct wireless_dev *tmp;
14880 *rdev = wiphy_to_rdev(wiphy);
14884 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
14885 if (tmp->identifier == cb->args[1] - 1) {
14892 /* keep rtnl locked in successful case */
14896 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
14900 err = nlmsg_parse_deprecated(cb->nlh,
14901 GENL_HDRLEN + nl80211_fam.hdrsize,
14902 attrbuf, nl80211_fam.maxattr,
14903 nl80211_policy, NULL);
14907 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
14908 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
14913 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
14917 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
14918 if (IS_ERR(*rdev)) {
14919 err = PTR_ERR(*rdev);
14923 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
14924 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
14926 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
14927 const struct wiphy_vendor_command *vcmd;
14929 vcmd = &(*rdev)->wiphy.vendor_commands[i];
14931 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
14934 if (!vcmd->dumpit) {
14943 if (vcmd_idx < 0) {
14948 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
14949 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
14950 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
14952 err = nl80211_vendor_check_policy(
14953 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
14954 attrbuf[NL80211_ATTR_VENDOR_DATA],
14960 /* 0 is the first index - add 1 to parse only once */
14961 cb->args[0] = (*rdev)->wiphy_idx + 1;
14962 /* add 1 to know if it was NULL */
14963 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
14964 cb->args[2] = vcmd_idx;
14965 cb->args[3] = (unsigned long)data;
14966 cb->args[4] = data_len;
14968 /* keep rtnl locked in successful case */
14975 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
14976 struct netlink_callback *cb)
14978 struct cfg80211_registered_device *rdev;
14979 struct wireless_dev *wdev;
14980 unsigned int vcmd_idx;
14981 const struct wiphy_vendor_command *vcmd;
14985 struct nlattr *vendor_data;
14988 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
14992 vcmd_idx = cb->args[2];
14993 data = (void *)cb->args[3];
14994 data_len = cb->args[4];
14995 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
14997 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
14998 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
15003 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
15009 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
15010 if (!wdev_running(wdev)) {
15018 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
15019 cb->nlh->nlmsg_seq, NLM_F_MULTI,
15020 NL80211_CMD_VENDOR);
15024 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15025 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
15027 NL80211_ATTR_PAD))) {
15028 genlmsg_cancel(skb, hdr);
15032 vendor_data = nla_nest_start_noflag(skb,
15033 NL80211_ATTR_VENDOR_DATA);
15034 if (!vendor_data) {
15035 genlmsg_cancel(skb, hdr);
15039 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
15040 (unsigned long *)&cb->args[5]);
15041 nla_nest_end(skb, vendor_data);
15043 if (err == -ENOBUFS || err == -ENOENT) {
15044 genlmsg_cancel(skb, hdr);
15046 } else if (err <= 0) {
15047 genlmsg_cancel(skb, hdr);
15051 genlmsg_end(skb, hdr);
15060 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
15061 enum nl80211_commands cmd,
15062 enum nl80211_attrs attr,
15065 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15067 if (WARN_ON(!rdev->cur_cmd_info))
15070 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
15071 rdev->cur_cmd_info->snd_portid,
15072 rdev->cur_cmd_info->snd_seq,
15073 cmd, attr, NULL, GFP_KERNEL);
15075 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
15077 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
15079 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
15080 void *hdr = ((void **)skb->cb)[1];
15081 struct nlattr *data = ((void **)skb->cb)[2];
15083 /* clear CB data for netlink core to own from now on */
15084 memset(skb->cb, 0, sizeof(skb->cb));
15086 if (WARN_ON(!rdev->cur_cmd_info)) {
15091 nla_nest_end(skb, data);
15092 genlmsg_end(skb, hdr);
15093 return genlmsg_reply(skb, rdev->cur_cmd_info);
15095 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
15097 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
15099 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15101 if (WARN_ON(!rdev->cur_cmd_info))
15104 return rdev->cur_cmd_info->snd_portid;
15106 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
15108 static int nl80211_set_qos_map(struct sk_buff *skb,
15109 struct genl_info *info)
15111 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15112 struct cfg80211_qos_map *qos_map = NULL;
15113 struct net_device *dev = info->user_ptr[1];
15114 u8 *pos, len, num_des, des_len, des;
15117 if (!rdev->ops->set_qos_map)
15118 return -EOPNOTSUPP;
15120 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
15121 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
15122 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
15127 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
15131 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
15133 des_len = num_des *
15134 sizeof(struct cfg80211_dscp_exception);
15135 memcpy(qos_map->dscp_exception, pos, des_len);
15136 qos_map->num_des = num_des;
15137 for (des = 0; des < num_des; des++) {
15138 if (qos_map->dscp_exception[des].up > 7) {
15145 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
15148 wdev_lock(dev->ieee80211_ptr);
15149 ret = nl80211_key_allowed(dev->ieee80211_ptr);
15151 ret = rdev_set_qos_map(rdev, dev, qos_map);
15152 wdev_unlock(dev->ieee80211_ptr);
15158 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
15160 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15161 struct net_device *dev = info->user_ptr[1];
15162 struct wireless_dev *wdev = dev->ieee80211_ptr;
15165 u16 admitted_time = 0;
15168 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
15169 return -EOPNOTSUPP;
15171 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
15172 !info->attrs[NL80211_ATTR_USER_PRIO])
15175 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15176 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
15178 /* WMM uses TIDs 0-7 even for TSPEC */
15179 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
15180 /* TODO: handle 802.11 TSPEC/admission control
15181 * need more attributes for that (e.g. BA session requirement);
15182 * change the WMM adminssion test above to allow both then
15187 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15189 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
15191 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
15192 if (!admitted_time)
15197 switch (wdev->iftype) {
15198 case NL80211_IFTYPE_STATION:
15199 case NL80211_IFTYPE_P2P_CLIENT:
15200 if (wdev->connected)
15209 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
15216 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
15218 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15219 struct net_device *dev = info->user_ptr[1];
15220 struct wireless_dev *wdev = dev->ieee80211_ptr;
15225 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
15228 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15229 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15232 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
15238 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
15239 struct genl_info *info)
15241 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15242 struct net_device *dev = info->user_ptr[1];
15243 struct wireless_dev *wdev = dev->ieee80211_ptr;
15244 struct cfg80211_chan_def chandef = {};
15249 if (!rdev->ops->tdls_channel_switch ||
15250 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15251 return -EOPNOTSUPP;
15253 switch (dev->ieee80211_ptr->iftype) {
15254 case NL80211_IFTYPE_STATION:
15255 case NL80211_IFTYPE_P2P_CLIENT:
15258 return -EOPNOTSUPP;
15261 if (!info->attrs[NL80211_ATTR_MAC] ||
15262 !info->attrs[NL80211_ATTR_OPER_CLASS])
15265 err = nl80211_parse_chandef(rdev, info, &chandef);
15270 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
15271 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
15272 * specification is not defined for them.
15274 if (chandef.chan->band == NL80211_BAND_2GHZ &&
15275 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
15276 chandef.width != NL80211_CHAN_WIDTH_20)
15279 /* we will be active on the TDLS link */
15280 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
15284 /* don't allow switching to DFS channels */
15285 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
15288 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15289 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
15292 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
15298 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
15299 struct genl_info *info)
15301 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15302 struct net_device *dev = info->user_ptr[1];
15303 struct wireless_dev *wdev = dev->ieee80211_ptr;
15306 if (!rdev->ops->tdls_channel_switch ||
15307 !rdev->ops->tdls_cancel_channel_switch ||
15308 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15309 return -EOPNOTSUPP;
15311 switch (dev->ieee80211_ptr->iftype) {
15312 case NL80211_IFTYPE_STATION:
15313 case NL80211_IFTYPE_P2P_CLIENT:
15316 return -EOPNOTSUPP;
15319 if (!info->attrs[NL80211_ATTR_MAC])
15322 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15325 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
15331 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
15332 struct genl_info *info)
15334 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15335 struct net_device *dev = info->user_ptr[1];
15336 struct wireless_dev *wdev = dev->ieee80211_ptr;
15337 const struct nlattr *nla;
15340 if (!rdev->ops->set_multicast_to_unicast)
15341 return -EOPNOTSUPP;
15343 if (wdev->iftype != NL80211_IFTYPE_AP &&
15344 wdev->iftype != NL80211_IFTYPE_P2P_GO)
15345 return -EOPNOTSUPP;
15347 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
15348 enabled = nla_get_flag(nla);
15350 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
15353 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
15355 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15356 struct net_device *dev = info->user_ptr[1];
15357 struct wireless_dev *wdev = dev->ieee80211_ptr;
15358 struct cfg80211_pmk_conf pmk_conf = {};
15361 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15362 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15363 return -EOPNOTSUPP;
15365 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15366 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15367 return -EOPNOTSUPP;
15369 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
15373 if (!wdev->connected) {
15378 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
15379 if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN)) {
15384 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
15385 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
15386 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
15387 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
15392 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
15393 pmk_conf.pmk_r0_name =
15394 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
15396 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
15402 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
15404 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15405 struct net_device *dev = info->user_ptr[1];
15406 struct wireless_dev *wdev = dev->ieee80211_ptr;
15410 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15411 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15412 return -EOPNOTSUPP;
15414 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15415 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15416 return -EOPNOTSUPP;
15418 if (!info->attrs[NL80211_ATTR_MAC])
15422 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
15423 ret = rdev_del_pmk(rdev, dev, aa);
15429 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
15431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15432 struct net_device *dev = info->user_ptr[1];
15433 struct cfg80211_external_auth_params params;
15435 if (!rdev->ops->external_auth)
15436 return -EOPNOTSUPP;
15438 if (!info->attrs[NL80211_ATTR_SSID] &&
15439 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
15440 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
15443 if (!info->attrs[NL80211_ATTR_BSSID])
15446 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
15449 memset(¶ms, 0, sizeof(params));
15451 if (info->attrs[NL80211_ATTR_SSID]) {
15452 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
15453 if (params.ssid.ssid_len == 0)
15455 memcpy(params.ssid.ssid,
15456 nla_data(info->attrs[NL80211_ATTR_SSID]),
15457 params.ssid.ssid_len);
15460 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
15463 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15465 if (info->attrs[NL80211_ATTR_PMKID])
15466 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
15468 return rdev_external_auth(rdev, dev, ¶ms);
15471 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
15473 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
15474 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15475 struct net_device *dev = info->user_ptr[1];
15476 struct wireless_dev *wdev = dev->ieee80211_ptr;
15486 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15487 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
15488 return -EOPNOTSUPP;
15490 if (!rdev->ops->tx_control_port)
15491 return -EOPNOTSUPP;
15493 if (!info->attrs[NL80211_ATTR_FRAME] ||
15494 !info->attrs[NL80211_ATTR_MAC] ||
15495 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
15496 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
15502 switch (wdev->iftype) {
15503 case NL80211_IFTYPE_AP:
15504 case NL80211_IFTYPE_P2P_GO:
15505 case NL80211_IFTYPE_MESH_POINT:
15507 case NL80211_IFTYPE_ADHOC:
15508 if (wdev->u.ibss.current_bss)
15512 case NL80211_IFTYPE_STATION:
15513 case NL80211_IFTYPE_P2P_CLIENT:
15514 if (wdev->connected)
15525 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15526 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15527 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15528 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
15530 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
15532 link_id = nl80211_link_id_or_invalid(info->attrs);
15534 err = rdev_tx_control_port(rdev, dev, buf, len,
15535 dest, cpu_to_be16(proto), noencrypt, link_id,
15536 dont_wait_for_ack ? NULL : &cookie);
15537 if (!err && !dont_wait_for_ack)
15538 nl_set_extack_cookie_u64(info->extack, cookie);
15545 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
15546 struct genl_info *info)
15548 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15549 struct net_device *dev = info->user_ptr[1];
15550 struct wireless_dev *wdev = dev->ieee80211_ptr;
15551 struct cfg80211_ftm_responder_stats ftm_stats = {};
15552 unsigned int link_id = nl80211_link_id(info->attrs);
15553 struct sk_buff *msg;
15555 struct nlattr *ftm_stats_attr;
15558 if (wdev->iftype != NL80211_IFTYPE_AP ||
15559 !wdev->links[link_id].ap.beacon_interval)
15560 return -EOPNOTSUPP;
15562 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
15566 if (!ftm_stats.filled)
15569 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15573 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
15574 NL80211_CMD_GET_FTM_RESPONDER_STATS);
15576 goto nla_put_failure;
15578 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15579 goto nla_put_failure;
15581 ftm_stats_attr = nla_nest_start_noflag(msg,
15582 NL80211_ATTR_FTM_RESPONDER_STATS);
15583 if (!ftm_stats_attr)
15584 goto nla_put_failure;
15586 #define SET_FTM(field, name, type) \
15587 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15588 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
15589 ftm_stats.field)) \
15590 goto nla_put_failure; } while (0)
15591 #define SET_FTM_U64(field, name) \
15592 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15593 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
15594 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
15595 goto nla_put_failure; } while (0)
15597 SET_FTM(success_num, SUCCESS_NUM, u32);
15598 SET_FTM(partial_num, PARTIAL_NUM, u32);
15599 SET_FTM(failed_num, FAILED_NUM, u32);
15600 SET_FTM(asap_num, ASAP_NUM, u32);
15601 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
15602 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
15603 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
15604 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
15605 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
15608 nla_nest_end(msg, ftm_stats_attr);
15610 genlmsg_end(msg, hdr);
15611 return genlmsg_reply(msg, info);
15618 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
15620 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15621 struct cfg80211_update_owe_info owe_info;
15622 struct net_device *dev = info->user_ptr[1];
15624 if (!rdev->ops->update_owe_info)
15625 return -EOPNOTSUPP;
15627 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
15628 !info->attrs[NL80211_ATTR_MAC])
15631 memset(&owe_info, 0, sizeof(owe_info));
15632 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15633 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
15635 if (info->attrs[NL80211_ATTR_IE]) {
15636 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
15637 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
15640 return rdev_update_owe_info(rdev, dev, &owe_info);
15643 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
15645 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15646 struct net_device *dev = info->user_ptr[1];
15647 struct wireless_dev *wdev = dev->ieee80211_ptr;
15648 struct station_info sinfo = {};
15654 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
15655 return -EOPNOTSUPP;
15657 if (!info->attrs[NL80211_ATTR_MAC] ||
15658 !info->attrs[NL80211_ATTR_FRAME]) {
15659 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
15663 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
15664 return -EOPNOTSUPP;
15666 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15667 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15668 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15670 if (len < sizeof(struct ethhdr))
15673 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
15674 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
15677 err = rdev_get_station(rdev, dev, dest, &sinfo);
15681 cfg80211_sinfo_release_content(&sinfo);
15683 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
15686 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
15687 struct nlattr *attrs[], struct net_device *dev,
15688 struct cfg80211_tid_cfg *tid_conf,
15689 struct genl_info *info, const u8 *peer,
15690 unsigned int link_id)
15692 struct netlink_ext_ack *extack = info->extack;
15696 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
15699 tid_conf->config_override =
15700 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
15701 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
15703 if (tid_conf->config_override) {
15704 if (rdev->ops->reset_tid_config) {
15705 err = rdev_reset_tid_config(rdev, dev, peer,
15714 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
15715 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
15717 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
15720 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
15721 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
15722 tid_conf->retry_short =
15723 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
15725 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
15729 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
15730 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
15731 tid_conf->retry_long =
15732 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
15734 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
15738 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
15739 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
15741 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
15744 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
15745 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
15747 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
15750 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
15751 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
15753 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
15756 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
15757 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
15759 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
15761 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
15762 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
15763 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
15764 &tid_conf->txrate_mask, dev,
15769 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
15771 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
15775 mask = rdev->wiphy.tid_config_support.peer;
15777 mask = rdev->wiphy.tid_config_support.vif;
15779 if (tid_conf->mask & ~mask) {
15780 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
15787 static int nl80211_set_tid_config(struct sk_buff *skb,
15788 struct genl_info *info)
15790 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15791 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
15792 unsigned int link_id = nl80211_link_id(info->attrs);
15793 struct net_device *dev = info->user_ptr[1];
15794 struct cfg80211_tid_config *tid_config;
15795 struct nlattr *tid;
15796 int conf_idx = 0, rem_conf;
15800 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
15803 if (!rdev->ops->set_tid_config)
15804 return -EOPNOTSUPP;
15806 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15810 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
15815 tid_config->n_tid_conf = num_conf;
15817 if (info->attrs[NL80211_ATTR_MAC])
15818 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15820 wdev_lock(dev->ieee80211_ptr);
15822 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15824 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
15830 ret = parse_tid_conf(rdev, attrs, dev,
15831 &tid_config->tid_conf[conf_idx],
15832 info, tid_config->peer, link_id);
15839 ret = rdev_set_tid_config(rdev, dev, tid_config);
15843 wdev_unlock(dev->ieee80211_ptr);
15847 static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info)
15849 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15850 struct cfg80211_color_change_settings params = {};
15851 struct net_device *dev = info->user_ptr[1];
15852 struct wireless_dev *wdev = dev->ieee80211_ptr;
15853 struct nlattr **tb;
15857 if (!rdev->ops->color_change)
15858 return -EOPNOTSUPP;
15860 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15861 NL80211_EXT_FEATURE_BSS_COLOR))
15862 return -EOPNOTSUPP;
15864 if (wdev->iftype != NL80211_IFTYPE_AP)
15865 return -EOPNOTSUPP;
15867 if (!info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT] ||
15868 !info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR] ||
15869 !info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS])
15872 params.count = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT]);
15873 params.color = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR]);
15875 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_next);
15879 tb = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*tb), GFP_KERNEL);
15883 err = nla_parse_nested(tb, NL80211_ATTR_MAX,
15884 info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS],
15885 nl80211_policy, info->extack);
15889 err = nl80211_parse_beacon(rdev, tb, ¶ms.beacon_color_change);
15893 if (!tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
15898 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) != sizeof(u16)) {
15903 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
15904 if (offset >= params.beacon_color_change.tail_len) {
15909 if (params.beacon_color_change.tail[offset] != params.count) {
15914 params.counter_offset_beacon = offset;
15916 if (tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
15917 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) !=
15923 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
15924 if (offset >= params.beacon_color_change.probe_resp_len) {
15929 if (params.beacon_color_change.probe_resp[offset] !=
15935 params.counter_offset_presp = offset;
15939 err = rdev_color_change(rdev, dev, ¶ms);
15943 kfree(params.beacon_next.mbssid_ies);
15944 kfree(params.beacon_color_change.mbssid_ies);
15949 static int nl80211_set_fils_aad(struct sk_buff *skb,
15950 struct genl_info *info)
15952 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15953 struct net_device *dev = info->user_ptr[1];
15954 struct cfg80211_fils_aad fils_aad = {};
15957 if (!info->attrs[NL80211_ATTR_MAC] ||
15958 !info->attrs[NL80211_ATTR_FILS_KEK] ||
15959 !info->attrs[NL80211_ATTR_FILS_NONCES])
15962 fils_aad.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15963 fils_aad.kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
15964 fils_aad.kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
15965 nonces = nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
15966 fils_aad.snonce = nonces;
15967 fils_aad.anonce = nonces + FILS_NONCE_LEN;
15969 return rdev_set_fils_aad(rdev, dev, &fils_aad);
15972 static int nl80211_add_link(struct sk_buff *skb, struct genl_info *info)
15974 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15975 unsigned int link_id = nl80211_link_id(info->attrs);
15976 struct net_device *dev = info->user_ptr[1];
15977 struct wireless_dev *wdev = dev->ieee80211_ptr;
15980 if (!(wdev->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
15983 switch (wdev->iftype) {
15984 case NL80211_IFTYPE_AP:
15990 if (!info->attrs[NL80211_ATTR_MAC] ||
15991 !is_valid_ether_addr(nla_data(info->attrs[NL80211_ATTR_MAC])))
15995 wdev->valid_links |= BIT(link_id);
15996 ether_addr_copy(wdev->links[link_id].addr,
15997 nla_data(info->attrs[NL80211_ATTR_MAC]));
15999 ret = rdev_add_intf_link(rdev, wdev, link_id);
16001 wdev->valid_links &= ~BIT(link_id);
16002 eth_zero_addr(wdev->links[link_id].addr);
16009 static int nl80211_remove_link(struct sk_buff *skb, struct genl_info *info)
16011 unsigned int link_id = nl80211_link_id(info->attrs);
16012 struct net_device *dev = info->user_ptr[1];
16013 struct wireless_dev *wdev = dev->ieee80211_ptr;
16015 /* cannot remove if there's no link */
16016 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
16019 switch (wdev->iftype) {
16020 case NL80211_IFTYPE_AP:
16027 cfg80211_remove_link(wdev, link_id);
16034 nl80211_add_mod_link_station(struct sk_buff *skb, struct genl_info *info,
16037 struct link_station_parameters params = {};
16038 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16039 struct net_device *dev = info->user_ptr[1];
16042 if ((add && !rdev->ops->add_link_station) ||
16043 (!add && !rdev->ops->mod_link_station))
16044 return -EOPNOTSUPP;
16046 if (add && !info->attrs[NL80211_ATTR_MAC])
16049 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
16052 if (add && !info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
16055 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
16057 if (info->attrs[NL80211_ATTR_MAC]) {
16058 params.link_mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
16059 if (!is_valid_ether_addr(params.link_mac))
16063 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
16066 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16068 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
16069 params.supported_rates =
16070 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
16071 params.supported_rates_len =
16072 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
16075 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
16077 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
16079 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
16081 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
16083 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
16085 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
16086 params.he_capa_len =
16087 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
16089 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
16091 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
16092 params.eht_capa_len =
16093 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
16095 if (!ieee80211_eht_capa_size_ok((const u8 *)params.he_capa,
16096 (const u8 *)params.eht_capa,
16097 params.eht_capa_len,
16103 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
16104 params.he_6ghz_capa =
16105 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
16107 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
16108 params.opmode_notif_used = true;
16109 params.opmode_notif =
16110 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
16113 err = nl80211_parse_sta_txpower_setting(info, ¶ms.txpwr,
16114 ¶ms.txpwr_set);
16118 wdev_lock(dev->ieee80211_ptr);
16120 err = rdev_add_link_station(rdev, dev, ¶ms);
16122 err = rdev_mod_link_station(rdev, dev, ¶ms);
16123 wdev_unlock(dev->ieee80211_ptr);
16129 nl80211_add_link_station(struct sk_buff *skb, struct genl_info *info)
16131 return nl80211_add_mod_link_station(skb, info, true);
16135 nl80211_modify_link_station(struct sk_buff *skb, struct genl_info *info)
16137 return nl80211_add_mod_link_station(skb, info, false);
16141 nl80211_remove_link_station(struct sk_buff *skb, struct genl_info *info)
16143 struct link_station_del_parameters params = {};
16144 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16145 struct net_device *dev = info->user_ptr[1];
16148 if (!rdev->ops->del_link_station)
16149 return -EOPNOTSUPP;
16151 if (!info->attrs[NL80211_ATTR_MLD_ADDR] ||
16152 !info->attrs[NL80211_ATTR_MLO_LINK_ID])
16155 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
16156 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16158 wdev_lock(dev->ieee80211_ptr);
16159 ret = rdev_del_link_station(rdev, dev, ¶ms);
16160 wdev_unlock(dev->ieee80211_ptr);
16165 #define NL80211_FLAG_NEED_WIPHY 0x01
16166 #define NL80211_FLAG_NEED_NETDEV 0x02
16167 #define NL80211_FLAG_NEED_RTNL 0x04
16168 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
16169 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
16170 NL80211_FLAG_CHECK_NETDEV_UP)
16171 #define NL80211_FLAG_NEED_WDEV 0x10
16172 /* If a netdev is associated, it must be UP, P2P must be started */
16173 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
16174 NL80211_FLAG_CHECK_NETDEV_UP)
16175 #define NL80211_FLAG_CLEAR_SKB 0x20
16176 #define NL80211_FLAG_NO_WIPHY_MTX 0x40
16177 #define NL80211_FLAG_MLO_VALID_LINK_ID 0x80
16178 #define NL80211_FLAG_MLO_UNSUPPORTED 0x100
16180 #define INTERNAL_FLAG_SELECTORS(__sel) \
16181 SELECTOR(__sel, NONE, 0) /* must be first */ \
16182 SELECTOR(__sel, WIPHY, \
16183 NL80211_FLAG_NEED_WIPHY) \
16184 SELECTOR(__sel, WDEV, \
16185 NL80211_FLAG_NEED_WDEV) \
16186 SELECTOR(__sel, NETDEV, \
16187 NL80211_FLAG_NEED_NETDEV) \
16188 SELECTOR(__sel, NETDEV_LINK, \
16189 NL80211_FLAG_NEED_NETDEV | \
16190 NL80211_FLAG_MLO_VALID_LINK_ID) \
16191 SELECTOR(__sel, NETDEV_NO_MLO, \
16192 NL80211_FLAG_NEED_NETDEV | \
16193 NL80211_FLAG_MLO_UNSUPPORTED) \
16194 SELECTOR(__sel, WIPHY_RTNL, \
16195 NL80211_FLAG_NEED_WIPHY | \
16196 NL80211_FLAG_NEED_RTNL) \
16197 SELECTOR(__sel, WIPHY_RTNL_NOMTX, \
16198 NL80211_FLAG_NEED_WIPHY | \
16199 NL80211_FLAG_NEED_RTNL | \
16200 NL80211_FLAG_NO_WIPHY_MTX) \
16201 SELECTOR(__sel, WDEV_RTNL, \
16202 NL80211_FLAG_NEED_WDEV | \
16203 NL80211_FLAG_NEED_RTNL) \
16204 SELECTOR(__sel, NETDEV_RTNL, \
16205 NL80211_FLAG_NEED_NETDEV | \
16206 NL80211_FLAG_NEED_RTNL) \
16207 SELECTOR(__sel, NETDEV_UP, \
16208 NL80211_FLAG_NEED_NETDEV_UP) \
16209 SELECTOR(__sel, NETDEV_UP_LINK, \
16210 NL80211_FLAG_NEED_NETDEV_UP | \
16211 NL80211_FLAG_MLO_VALID_LINK_ID) \
16212 SELECTOR(__sel, NETDEV_UP_NO_MLO, \
16213 NL80211_FLAG_NEED_NETDEV_UP | \
16214 NL80211_FLAG_MLO_UNSUPPORTED) \
16215 SELECTOR(__sel, NETDEV_UP_NO_MLO_CLEAR, \
16216 NL80211_FLAG_NEED_NETDEV_UP | \
16217 NL80211_FLAG_CLEAR_SKB | \
16218 NL80211_FLAG_MLO_UNSUPPORTED) \
16219 SELECTOR(__sel, NETDEV_UP_NOTMX, \
16220 NL80211_FLAG_NEED_NETDEV_UP | \
16221 NL80211_FLAG_NO_WIPHY_MTX) \
16222 SELECTOR(__sel, NETDEV_UP_NOTMX_NOMLO, \
16223 NL80211_FLAG_NEED_NETDEV_UP | \
16224 NL80211_FLAG_NO_WIPHY_MTX | \
16225 NL80211_FLAG_MLO_UNSUPPORTED) \
16226 SELECTOR(__sel, NETDEV_UP_CLEAR, \
16227 NL80211_FLAG_NEED_NETDEV_UP | \
16228 NL80211_FLAG_CLEAR_SKB) \
16229 SELECTOR(__sel, WDEV_UP, \
16230 NL80211_FLAG_NEED_WDEV_UP) \
16231 SELECTOR(__sel, WDEV_UP_LINK, \
16232 NL80211_FLAG_NEED_WDEV_UP | \
16233 NL80211_FLAG_MLO_VALID_LINK_ID) \
16234 SELECTOR(__sel, WDEV_UP_RTNL, \
16235 NL80211_FLAG_NEED_WDEV_UP | \
16236 NL80211_FLAG_NEED_RTNL) \
16237 SELECTOR(__sel, WIPHY_CLEAR, \
16238 NL80211_FLAG_NEED_WIPHY | \
16239 NL80211_FLAG_CLEAR_SKB)
16241 enum nl80211_internal_flags_selector {
16242 #define SELECTOR(_, name, value) NL80211_IFL_SEL_##name,
16243 INTERNAL_FLAG_SELECTORS(_)
16247 static u32 nl80211_internal_flags[] = {
16248 #define SELECTOR(_, name, value) [NL80211_IFL_SEL_##name] = value,
16249 INTERNAL_FLAG_SELECTORS(_)
16253 static int nl80211_pre_doit(const struct genl_split_ops *ops,
16254 struct sk_buff *skb,
16255 struct genl_info *info)
16257 struct cfg80211_registered_device *rdev = NULL;
16258 struct wireless_dev *wdev = NULL;
16259 struct net_device *dev = NULL;
16260 u32 internal_flags;
16263 if (WARN_ON(ops->internal_flags >= ARRAY_SIZE(nl80211_internal_flags)))
16266 internal_flags = nl80211_internal_flags[ops->internal_flags];
16269 if (internal_flags & NL80211_FLAG_NEED_WIPHY) {
16270 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
16271 if (IS_ERR(rdev)) {
16272 err = PTR_ERR(rdev);
16275 info->user_ptr[0] = rdev;
16276 } else if (internal_flags & NL80211_FLAG_NEED_NETDEV ||
16277 internal_flags & NL80211_FLAG_NEED_WDEV) {
16278 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
16280 if (IS_ERR(wdev)) {
16281 err = PTR_ERR(wdev);
16285 dev = wdev->netdev;
16287 rdev = wiphy_to_rdev(wdev->wiphy);
16289 if (internal_flags & NL80211_FLAG_NEED_NETDEV) {
16295 info->user_ptr[1] = dev;
16297 info->user_ptr[1] = wdev;
16300 if (internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
16301 !wdev_running(wdev)) {
16306 info->user_ptr[0] = rdev;
16309 if (internal_flags & NL80211_FLAG_MLO_VALID_LINK_ID) {
16310 struct nlattr *link_id = info->attrs[NL80211_ATTR_MLO_LINK_ID];
16317 /* MLO -> require valid link ID */
16318 if (wdev->valid_links &&
16320 !(wdev->valid_links & BIT(nla_get_u8(link_id))))) {
16325 /* non-MLO -> no link ID attribute accepted */
16326 if (!wdev->valid_links && link_id) {
16332 if (internal_flags & NL80211_FLAG_MLO_UNSUPPORTED) {
16333 if (info->attrs[NL80211_ATTR_MLO_LINK_ID] ||
16334 (wdev && wdev->valid_links)) {
16340 if (rdev && !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
16341 wiphy_lock(&rdev->wiphy);
16342 /* we keep the mutex locked until post_doit */
16343 __release(&rdev->wiphy.mtx);
16345 if (!(internal_flags & NL80211_FLAG_NEED_RTNL))
16355 static void nl80211_post_doit(const struct genl_split_ops *ops,
16356 struct sk_buff *skb,
16357 struct genl_info *info)
16359 u32 internal_flags = nl80211_internal_flags[ops->internal_flags];
16361 if (info->user_ptr[1]) {
16362 if (internal_flags & NL80211_FLAG_NEED_WDEV) {
16363 struct wireless_dev *wdev = info->user_ptr[1];
16365 dev_put(wdev->netdev);
16367 dev_put(info->user_ptr[1]);
16371 if (info->user_ptr[0] &&
16372 !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
16373 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16375 /* we kept the mutex locked since pre_doit */
16376 __acquire(&rdev->wiphy.mtx);
16377 wiphy_unlock(&rdev->wiphy);
16380 if (internal_flags & NL80211_FLAG_NEED_RTNL)
16383 /* If needed, clear the netlink message payload from the SKB
16384 * as it might contain key data that shouldn't stick around on
16385 * the heap after the SKB is freed. The netlink message header
16386 * is still needed for further processing, so leave it intact.
16388 if (internal_flags & NL80211_FLAG_CLEAR_SKB) {
16389 struct nlmsghdr *nlh = nlmsg_hdr(skb);
16391 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
16395 static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
16396 struct cfg80211_sar_specs *sar_specs,
16397 struct nlattr *spec[], int index)
16399 u32 range_index, i;
16401 if (!sar_specs || !spec)
16404 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
16405 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
16408 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
16410 /* check if range_index exceeds num_freq_ranges */
16411 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
16414 /* check if range_index duplicates */
16415 for (i = 0; i < index; i++) {
16416 if (sar_specs->sub_specs[i].freq_range_index == range_index)
16420 sar_specs->sub_specs[index].power =
16421 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
16423 sar_specs->sub_specs[index].freq_range_index = range_index;
16428 static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
16430 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16431 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
16432 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
16433 struct cfg80211_sar_specs *sar_spec;
16434 enum nl80211_sar_type type;
16435 struct nlattr *spec_list;
16439 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
16440 return -EOPNOTSUPP;
16442 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
16445 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
16446 info->attrs[NL80211_ATTR_SAR_SPEC],
16449 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
16452 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
16453 if (type != rdev->wiphy.sar_capa->type)
16457 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
16460 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
16463 sar_spec = kzalloc(struct_size(sar_spec, sub_specs, specs), GFP_KERNEL);
16467 sar_spec->type = type;
16469 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
16470 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
16471 spec_list, NULL, NULL);
16474 case NL80211_SAR_TYPE_POWER:
16475 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
16488 sar_spec->num_sub_specs = specs;
16490 rdev->cur_cmd_info = info;
16491 err = rdev_set_sar_specs(rdev, sar_spec);
16492 rdev->cur_cmd_info = NULL;
16498 #define SELECTOR(__sel, name, value) \
16499 ((__sel) == (value)) ? NL80211_IFL_SEL_##name :
16500 int __missing_selector(void);
16501 #define IFLAGS(__val) INTERNAL_FLAG_SELECTORS(__val) __missing_selector()
16503 static const struct genl_ops nl80211_ops[] = {
16505 .cmd = NL80211_CMD_GET_WIPHY,
16506 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16507 .doit = nl80211_get_wiphy,
16508 .dumpit = nl80211_dump_wiphy,
16509 .done = nl80211_dump_wiphy_done,
16510 /* can be retrieved by unprivileged users */
16511 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16515 static const struct genl_small_ops nl80211_small_ops[] = {
16517 .cmd = NL80211_CMD_SET_WIPHY,
16518 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16519 .doit = nl80211_set_wiphy,
16520 .flags = GENL_UNS_ADMIN_PERM,
16523 .cmd = NL80211_CMD_GET_INTERFACE,
16524 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16525 .doit = nl80211_get_interface,
16526 .dumpit = nl80211_dump_interface,
16527 /* can be retrieved by unprivileged users */
16528 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
16531 .cmd = NL80211_CMD_SET_INTERFACE,
16532 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16533 .doit = nl80211_set_interface,
16534 .flags = GENL_UNS_ADMIN_PERM,
16535 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16536 NL80211_FLAG_NEED_RTNL),
16539 .cmd = NL80211_CMD_NEW_INTERFACE,
16540 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16541 .doit = nl80211_new_interface,
16542 .flags = GENL_UNS_ADMIN_PERM,
16544 IFLAGS(NL80211_FLAG_NEED_WIPHY |
16545 NL80211_FLAG_NEED_RTNL |
16546 /* we take the wiphy mutex later ourselves */
16547 NL80211_FLAG_NO_WIPHY_MTX),
16550 .cmd = NL80211_CMD_DEL_INTERFACE,
16551 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16552 .doit = nl80211_del_interface,
16553 .flags = GENL_UNS_ADMIN_PERM,
16554 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
16555 NL80211_FLAG_NEED_RTNL),
16558 .cmd = NL80211_CMD_GET_KEY,
16559 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16560 .doit = nl80211_get_key,
16561 .flags = GENL_UNS_ADMIN_PERM,
16562 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16565 .cmd = NL80211_CMD_SET_KEY,
16566 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16567 .doit = nl80211_set_key,
16568 .flags = GENL_UNS_ADMIN_PERM,
16569 /* cannot use NL80211_FLAG_MLO_VALID_LINK_ID, depends on key */
16570 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16571 NL80211_FLAG_CLEAR_SKB),
16574 .cmd = NL80211_CMD_NEW_KEY,
16575 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16576 .doit = nl80211_new_key,
16577 .flags = GENL_UNS_ADMIN_PERM,
16578 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16579 NL80211_FLAG_CLEAR_SKB),
16582 .cmd = NL80211_CMD_DEL_KEY,
16583 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16584 .doit = nl80211_del_key,
16585 .flags = GENL_UNS_ADMIN_PERM,
16586 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16589 .cmd = NL80211_CMD_SET_BEACON,
16590 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16591 .flags = GENL_UNS_ADMIN_PERM,
16592 .doit = nl80211_set_beacon,
16593 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16594 NL80211_FLAG_MLO_VALID_LINK_ID),
16597 .cmd = NL80211_CMD_START_AP,
16598 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16599 .flags = GENL_UNS_ADMIN_PERM,
16600 .doit = nl80211_start_ap,
16601 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16602 NL80211_FLAG_MLO_VALID_LINK_ID),
16605 .cmd = NL80211_CMD_STOP_AP,
16606 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16607 .flags = GENL_UNS_ADMIN_PERM,
16608 .doit = nl80211_stop_ap,
16609 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16610 NL80211_FLAG_MLO_VALID_LINK_ID),
16613 .cmd = NL80211_CMD_GET_STATION,
16614 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16615 .doit = nl80211_get_station,
16616 .dumpit = nl80211_dump_station,
16617 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16620 .cmd = NL80211_CMD_SET_STATION,
16621 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16622 .doit = nl80211_set_station,
16623 .flags = GENL_UNS_ADMIN_PERM,
16624 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16627 .cmd = NL80211_CMD_NEW_STATION,
16628 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16629 .doit = nl80211_new_station,
16630 .flags = GENL_UNS_ADMIN_PERM,
16631 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16634 .cmd = NL80211_CMD_DEL_STATION,
16635 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16636 .doit = nl80211_del_station,
16637 .flags = GENL_UNS_ADMIN_PERM,
16638 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16641 .cmd = NL80211_CMD_GET_MPATH,
16642 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16643 .doit = nl80211_get_mpath,
16644 .dumpit = nl80211_dump_mpath,
16645 .flags = GENL_UNS_ADMIN_PERM,
16646 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16649 .cmd = NL80211_CMD_GET_MPP,
16650 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16651 .doit = nl80211_get_mpp,
16652 .dumpit = nl80211_dump_mpp,
16653 .flags = GENL_UNS_ADMIN_PERM,
16654 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16657 .cmd = NL80211_CMD_SET_MPATH,
16658 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16659 .doit = nl80211_set_mpath,
16660 .flags = GENL_UNS_ADMIN_PERM,
16661 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16664 .cmd = NL80211_CMD_NEW_MPATH,
16665 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16666 .doit = nl80211_new_mpath,
16667 .flags = GENL_UNS_ADMIN_PERM,
16668 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16671 .cmd = NL80211_CMD_DEL_MPATH,
16672 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16673 .doit = nl80211_del_mpath,
16674 .flags = GENL_UNS_ADMIN_PERM,
16675 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16678 .cmd = NL80211_CMD_SET_BSS,
16679 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16680 .doit = nl80211_set_bss,
16681 .flags = GENL_UNS_ADMIN_PERM,
16682 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16683 NL80211_FLAG_MLO_VALID_LINK_ID),
16686 .cmd = NL80211_CMD_GET_REG,
16687 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16688 .doit = nl80211_get_reg_do,
16689 .dumpit = nl80211_get_reg_dump,
16690 /* can be retrieved by unprivileged users */
16692 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
16694 .cmd = NL80211_CMD_SET_REG,
16695 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16696 .doit = nl80211_set_reg,
16697 .flags = GENL_ADMIN_PERM,
16701 .cmd = NL80211_CMD_REQ_SET_REG,
16702 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16703 .doit = nl80211_req_set_reg,
16704 .flags = GENL_ADMIN_PERM,
16707 .cmd = NL80211_CMD_RELOAD_REGDB,
16708 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16709 .doit = nl80211_reload_regdb,
16710 .flags = GENL_ADMIN_PERM,
16713 .cmd = NL80211_CMD_GET_MESH_CONFIG,
16714 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16715 .doit = nl80211_get_mesh_config,
16716 /* can be retrieved by unprivileged users */
16717 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16720 .cmd = NL80211_CMD_SET_MESH_CONFIG,
16721 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16722 .doit = nl80211_update_mesh_config,
16723 .flags = GENL_UNS_ADMIN_PERM,
16724 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16727 .cmd = NL80211_CMD_TRIGGER_SCAN,
16728 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16729 .doit = nl80211_trigger_scan,
16730 .flags = GENL_UNS_ADMIN_PERM,
16731 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16734 .cmd = NL80211_CMD_ABORT_SCAN,
16735 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16736 .doit = nl80211_abort_scan,
16737 .flags = GENL_UNS_ADMIN_PERM,
16738 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16741 .cmd = NL80211_CMD_GET_SCAN,
16742 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16743 .dumpit = nl80211_dump_scan,
16746 .cmd = NL80211_CMD_START_SCHED_SCAN,
16747 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16748 .doit = nl80211_start_sched_scan,
16749 .flags = GENL_UNS_ADMIN_PERM,
16750 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16753 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
16754 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16755 .doit = nl80211_stop_sched_scan,
16756 .flags = GENL_UNS_ADMIN_PERM,
16757 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16760 .cmd = NL80211_CMD_AUTHENTICATE,
16761 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16762 .doit = nl80211_authenticate,
16763 .flags = GENL_UNS_ADMIN_PERM,
16764 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16765 NL80211_FLAG_CLEAR_SKB),
16768 .cmd = NL80211_CMD_ASSOCIATE,
16769 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16770 .doit = nl80211_associate,
16771 .flags = GENL_UNS_ADMIN_PERM,
16772 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16773 NL80211_FLAG_CLEAR_SKB),
16776 .cmd = NL80211_CMD_DEAUTHENTICATE,
16777 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16778 .doit = nl80211_deauthenticate,
16779 .flags = GENL_UNS_ADMIN_PERM,
16780 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16783 .cmd = NL80211_CMD_DISASSOCIATE,
16784 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16785 .doit = nl80211_disassociate,
16786 .flags = GENL_UNS_ADMIN_PERM,
16787 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16790 .cmd = NL80211_CMD_JOIN_IBSS,
16791 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16792 .doit = nl80211_join_ibss,
16793 .flags = GENL_UNS_ADMIN_PERM,
16794 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16797 .cmd = NL80211_CMD_LEAVE_IBSS,
16798 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16799 .doit = nl80211_leave_ibss,
16800 .flags = GENL_UNS_ADMIN_PERM,
16801 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16803 #ifdef CONFIG_NL80211_TESTMODE
16805 .cmd = NL80211_CMD_TESTMODE,
16806 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16807 .doit = nl80211_testmode_do,
16808 .dumpit = nl80211_testmode_dump,
16809 .flags = GENL_UNS_ADMIN_PERM,
16810 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16814 .cmd = NL80211_CMD_CONNECT,
16815 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16816 .doit = nl80211_connect,
16817 .flags = GENL_UNS_ADMIN_PERM,
16818 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16819 NL80211_FLAG_CLEAR_SKB),
16822 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
16823 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16824 .doit = nl80211_update_connect_params,
16825 .flags = GENL_ADMIN_PERM,
16826 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16827 NL80211_FLAG_CLEAR_SKB),
16830 .cmd = NL80211_CMD_DISCONNECT,
16831 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16832 .doit = nl80211_disconnect,
16833 .flags = GENL_UNS_ADMIN_PERM,
16834 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16837 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
16838 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16839 .doit = nl80211_wiphy_netns,
16840 .flags = GENL_UNS_ADMIN_PERM,
16841 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
16842 NL80211_FLAG_NEED_RTNL |
16843 NL80211_FLAG_NO_WIPHY_MTX),
16846 .cmd = NL80211_CMD_GET_SURVEY,
16847 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16848 .dumpit = nl80211_dump_survey,
16851 .cmd = NL80211_CMD_SET_PMKSA,
16852 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16853 .doit = nl80211_setdel_pmksa,
16854 .flags = GENL_UNS_ADMIN_PERM,
16855 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16856 NL80211_FLAG_CLEAR_SKB),
16859 .cmd = NL80211_CMD_DEL_PMKSA,
16860 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16861 .doit = nl80211_setdel_pmksa,
16862 .flags = GENL_UNS_ADMIN_PERM,
16863 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16866 .cmd = NL80211_CMD_FLUSH_PMKSA,
16867 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16868 .doit = nl80211_flush_pmksa,
16869 .flags = GENL_UNS_ADMIN_PERM,
16870 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16873 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
16874 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16875 .doit = nl80211_remain_on_channel,
16876 .flags = GENL_UNS_ADMIN_PERM,
16877 /* FIXME: requiring a link ID here is probably not good */
16878 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
16879 NL80211_FLAG_MLO_VALID_LINK_ID),
16882 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
16883 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16884 .doit = nl80211_cancel_remain_on_channel,
16885 .flags = GENL_UNS_ADMIN_PERM,
16886 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16889 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
16890 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16891 .doit = nl80211_set_tx_bitrate_mask,
16892 .flags = GENL_UNS_ADMIN_PERM,
16893 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16894 NL80211_FLAG_MLO_VALID_LINK_ID),
16897 .cmd = NL80211_CMD_REGISTER_FRAME,
16898 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16899 .doit = nl80211_register_mgmt,
16900 .flags = GENL_UNS_ADMIN_PERM,
16901 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
16904 .cmd = NL80211_CMD_FRAME,
16905 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16906 .doit = nl80211_tx_mgmt,
16907 .flags = GENL_UNS_ADMIN_PERM,
16908 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16911 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
16912 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16913 .doit = nl80211_tx_mgmt_cancel_wait,
16914 .flags = GENL_UNS_ADMIN_PERM,
16915 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16918 .cmd = NL80211_CMD_SET_POWER_SAVE,
16919 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16920 .doit = nl80211_set_power_save,
16921 .flags = GENL_UNS_ADMIN_PERM,
16922 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16925 .cmd = NL80211_CMD_GET_POWER_SAVE,
16926 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16927 .doit = nl80211_get_power_save,
16928 /* can be retrieved by unprivileged users */
16929 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16932 .cmd = NL80211_CMD_SET_CQM,
16933 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16934 .doit = nl80211_set_cqm,
16935 .flags = GENL_UNS_ADMIN_PERM,
16936 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16939 .cmd = NL80211_CMD_SET_CHANNEL,
16940 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16941 .doit = nl80211_set_channel,
16942 .flags = GENL_UNS_ADMIN_PERM,
16943 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16944 NL80211_FLAG_MLO_VALID_LINK_ID),
16947 .cmd = NL80211_CMD_JOIN_MESH,
16948 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16949 .doit = nl80211_join_mesh,
16950 .flags = GENL_UNS_ADMIN_PERM,
16951 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16954 .cmd = NL80211_CMD_LEAVE_MESH,
16955 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16956 .doit = nl80211_leave_mesh,
16957 .flags = GENL_UNS_ADMIN_PERM,
16958 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16961 .cmd = NL80211_CMD_JOIN_OCB,
16962 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16963 .doit = nl80211_join_ocb,
16964 .flags = GENL_UNS_ADMIN_PERM,
16965 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16968 .cmd = NL80211_CMD_LEAVE_OCB,
16969 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16970 .doit = nl80211_leave_ocb,
16971 .flags = GENL_UNS_ADMIN_PERM,
16972 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16976 .cmd = NL80211_CMD_GET_WOWLAN,
16977 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16978 .doit = nl80211_get_wowlan,
16979 /* can be retrieved by unprivileged users */
16980 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16983 .cmd = NL80211_CMD_SET_WOWLAN,
16984 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16985 .doit = nl80211_set_wowlan,
16986 .flags = GENL_UNS_ADMIN_PERM,
16987 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16991 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
16992 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16993 .doit = nl80211_set_rekey_data,
16994 .flags = GENL_UNS_ADMIN_PERM,
16995 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16996 NL80211_FLAG_CLEAR_SKB),
16999 .cmd = NL80211_CMD_TDLS_MGMT,
17000 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17001 .doit = nl80211_tdls_mgmt,
17002 .flags = GENL_UNS_ADMIN_PERM,
17003 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17006 .cmd = NL80211_CMD_TDLS_OPER,
17007 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17008 .doit = nl80211_tdls_oper,
17009 .flags = GENL_UNS_ADMIN_PERM,
17010 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17013 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
17014 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17015 .doit = nl80211_register_unexpected_frame,
17016 .flags = GENL_UNS_ADMIN_PERM,
17017 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17020 .cmd = NL80211_CMD_PROBE_CLIENT,
17021 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17022 .doit = nl80211_probe_client,
17023 .flags = GENL_UNS_ADMIN_PERM,
17024 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17027 .cmd = NL80211_CMD_REGISTER_BEACONS,
17028 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17029 .doit = nl80211_register_beacons,
17030 .flags = GENL_UNS_ADMIN_PERM,
17031 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17034 .cmd = NL80211_CMD_SET_NOACK_MAP,
17035 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17036 .doit = nl80211_set_noack_map,
17037 .flags = GENL_UNS_ADMIN_PERM,
17038 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17041 .cmd = NL80211_CMD_START_P2P_DEVICE,
17042 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17043 .doit = nl80211_start_p2p_device,
17044 .flags = GENL_UNS_ADMIN_PERM,
17045 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
17046 NL80211_FLAG_NEED_RTNL),
17049 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
17050 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17051 .doit = nl80211_stop_p2p_device,
17052 .flags = GENL_UNS_ADMIN_PERM,
17053 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17054 NL80211_FLAG_NEED_RTNL),
17057 .cmd = NL80211_CMD_START_NAN,
17058 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17059 .doit = nl80211_start_nan,
17060 .flags = GENL_ADMIN_PERM,
17061 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
17062 NL80211_FLAG_NEED_RTNL),
17065 .cmd = NL80211_CMD_STOP_NAN,
17066 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17067 .doit = nl80211_stop_nan,
17068 .flags = GENL_ADMIN_PERM,
17069 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17070 NL80211_FLAG_NEED_RTNL),
17073 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
17074 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17075 .doit = nl80211_nan_add_func,
17076 .flags = GENL_ADMIN_PERM,
17077 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17080 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
17081 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17082 .doit = nl80211_nan_del_func,
17083 .flags = GENL_ADMIN_PERM,
17084 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17087 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
17088 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17089 .doit = nl80211_nan_change_config,
17090 .flags = GENL_ADMIN_PERM,
17091 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17094 .cmd = NL80211_CMD_SET_MCAST_RATE,
17095 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17096 .doit = nl80211_set_mcast_rate,
17097 .flags = GENL_UNS_ADMIN_PERM,
17098 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17101 .cmd = NL80211_CMD_SET_MAC_ACL,
17102 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17103 .doit = nl80211_set_mac_acl,
17104 .flags = GENL_UNS_ADMIN_PERM,
17105 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17106 NL80211_FLAG_MLO_UNSUPPORTED),
17109 .cmd = NL80211_CMD_RADAR_DETECT,
17110 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17111 .doit = nl80211_start_radar_detection,
17112 .flags = GENL_UNS_ADMIN_PERM,
17113 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17114 NL80211_FLAG_NO_WIPHY_MTX |
17115 NL80211_FLAG_MLO_UNSUPPORTED),
17118 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
17119 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17120 .doit = nl80211_get_protocol_features,
17123 .cmd = NL80211_CMD_UPDATE_FT_IES,
17124 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17125 .doit = nl80211_update_ft_ies,
17126 .flags = GENL_UNS_ADMIN_PERM,
17127 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17130 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
17131 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17132 .doit = nl80211_crit_protocol_start,
17133 .flags = GENL_UNS_ADMIN_PERM,
17134 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17137 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
17138 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17139 .doit = nl80211_crit_protocol_stop,
17140 .flags = GENL_UNS_ADMIN_PERM,
17141 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17144 .cmd = NL80211_CMD_GET_COALESCE,
17145 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17146 .doit = nl80211_get_coalesce,
17147 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17150 .cmd = NL80211_CMD_SET_COALESCE,
17151 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17152 .doit = nl80211_set_coalesce,
17153 .flags = GENL_UNS_ADMIN_PERM,
17154 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17157 .cmd = NL80211_CMD_CHANNEL_SWITCH,
17158 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17159 .doit = nl80211_channel_switch,
17160 .flags = GENL_UNS_ADMIN_PERM,
17161 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17162 NL80211_FLAG_MLO_VALID_LINK_ID),
17165 .cmd = NL80211_CMD_VENDOR,
17166 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17167 .doit = nl80211_vendor_cmd,
17168 .dumpit = nl80211_vendor_cmd_dump,
17169 .flags = GENL_UNS_ADMIN_PERM,
17170 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17171 NL80211_FLAG_CLEAR_SKB),
17174 .cmd = NL80211_CMD_SET_QOS_MAP,
17175 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17176 .doit = nl80211_set_qos_map,
17177 .flags = GENL_UNS_ADMIN_PERM,
17178 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17181 .cmd = NL80211_CMD_ADD_TX_TS,
17182 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17183 .doit = nl80211_add_tx_ts,
17184 .flags = GENL_UNS_ADMIN_PERM,
17185 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17186 NL80211_FLAG_MLO_UNSUPPORTED),
17189 .cmd = NL80211_CMD_DEL_TX_TS,
17190 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17191 .doit = nl80211_del_tx_ts,
17192 .flags = GENL_UNS_ADMIN_PERM,
17193 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17196 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
17197 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17198 .doit = nl80211_tdls_channel_switch,
17199 .flags = GENL_UNS_ADMIN_PERM,
17200 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17203 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
17204 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17205 .doit = nl80211_tdls_cancel_channel_switch,
17206 .flags = GENL_UNS_ADMIN_PERM,
17207 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17210 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
17211 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17212 .doit = nl80211_set_multicast_to_unicast,
17213 .flags = GENL_UNS_ADMIN_PERM,
17214 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17217 .cmd = NL80211_CMD_SET_PMK,
17218 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17219 .doit = nl80211_set_pmk,
17220 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17221 NL80211_FLAG_CLEAR_SKB),
17224 .cmd = NL80211_CMD_DEL_PMK,
17225 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17226 .doit = nl80211_del_pmk,
17227 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17230 .cmd = NL80211_CMD_EXTERNAL_AUTH,
17231 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17232 .doit = nl80211_external_auth,
17233 .flags = GENL_ADMIN_PERM,
17234 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17237 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
17238 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17239 .doit = nl80211_tx_control_port,
17240 .flags = GENL_UNS_ADMIN_PERM,
17241 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17244 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
17245 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17246 .doit = nl80211_get_ftm_responder_stats,
17247 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17248 NL80211_FLAG_MLO_VALID_LINK_ID),
17251 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
17252 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17253 .doit = nl80211_pmsr_start,
17254 .flags = GENL_UNS_ADMIN_PERM,
17255 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17258 .cmd = NL80211_CMD_NOTIFY_RADAR,
17259 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17260 .doit = nl80211_notify_radar_detection,
17261 .flags = GENL_UNS_ADMIN_PERM,
17262 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17265 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
17266 .doit = nl80211_update_owe_info,
17267 .flags = GENL_ADMIN_PERM,
17268 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17271 .cmd = NL80211_CMD_PROBE_MESH_LINK,
17272 .doit = nl80211_probe_mesh_link,
17273 .flags = GENL_UNS_ADMIN_PERM,
17274 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17277 .cmd = NL80211_CMD_SET_TID_CONFIG,
17278 .doit = nl80211_set_tid_config,
17279 .flags = GENL_UNS_ADMIN_PERM,
17280 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17281 NL80211_FLAG_MLO_VALID_LINK_ID),
17284 .cmd = NL80211_CMD_SET_SAR_SPECS,
17285 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17286 .doit = nl80211_set_sar_specs,
17287 .flags = GENL_UNS_ADMIN_PERM,
17288 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17289 NL80211_FLAG_NEED_RTNL),
17292 .cmd = NL80211_CMD_COLOR_CHANGE_REQUEST,
17293 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17294 .doit = nl80211_color_change,
17295 .flags = GENL_UNS_ADMIN_PERM,
17296 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17299 .cmd = NL80211_CMD_SET_FILS_AAD,
17300 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17301 .doit = nl80211_set_fils_aad,
17302 .flags = GENL_UNS_ADMIN_PERM,
17303 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17306 .cmd = NL80211_CMD_ADD_LINK,
17307 .doit = nl80211_add_link,
17308 .flags = GENL_UNS_ADMIN_PERM,
17309 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17312 .cmd = NL80211_CMD_REMOVE_LINK,
17313 .doit = nl80211_remove_link,
17314 .flags = GENL_UNS_ADMIN_PERM,
17315 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17316 NL80211_FLAG_MLO_VALID_LINK_ID),
17319 .cmd = NL80211_CMD_ADD_LINK_STA,
17320 .doit = nl80211_add_link_station,
17321 .flags = GENL_UNS_ADMIN_PERM,
17322 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17323 NL80211_FLAG_MLO_VALID_LINK_ID),
17326 .cmd = NL80211_CMD_MODIFY_LINK_STA,
17327 .doit = nl80211_modify_link_station,
17328 .flags = GENL_UNS_ADMIN_PERM,
17329 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17330 NL80211_FLAG_MLO_VALID_LINK_ID),
17333 .cmd = NL80211_CMD_REMOVE_LINK_STA,
17334 .doit = nl80211_remove_link_station,
17335 .flags = GENL_UNS_ADMIN_PERM,
17336 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17337 NL80211_FLAG_MLO_VALID_LINK_ID),
17341 static struct genl_family nl80211_fam __ro_after_init = {
17342 .name = NL80211_GENL_NAME, /* have users key off the name instead */
17343 .hdrsize = 0, /* no private header */
17344 .version = 1, /* no particular meaning now */
17345 .maxattr = NL80211_ATTR_MAX,
17346 .policy = nl80211_policy,
17348 .pre_doit = nl80211_pre_doit,
17349 .post_doit = nl80211_post_doit,
17350 .module = THIS_MODULE,
17351 .ops = nl80211_ops,
17352 .n_ops = ARRAY_SIZE(nl80211_ops),
17353 .small_ops = nl80211_small_ops,
17354 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
17355 .resv_start_op = NL80211_CMD_REMOVE_LINK_STA + 1,
17356 .mcgrps = nl80211_mcgrps,
17357 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
17358 .parallel_ops = true,
17361 /* notification functions */
17363 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
17364 enum nl80211_commands cmd)
17366 struct sk_buff *msg;
17367 struct nl80211_dump_wiphy_state state = {};
17369 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
17370 cmd != NL80211_CMD_DEL_WIPHY);
17372 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17376 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
17381 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17382 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17385 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
17386 struct wireless_dev *wdev,
17387 enum nl80211_commands cmd)
17389 struct sk_buff *msg;
17391 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17395 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
17400 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17401 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17404 static int nl80211_add_scan_req(struct sk_buff *msg,
17405 struct cfg80211_registered_device *rdev)
17407 struct cfg80211_scan_request *req = rdev->scan_req;
17408 struct nlattr *nest;
17410 struct cfg80211_scan_info *info;
17415 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
17417 goto nla_put_failure;
17418 for (i = 0; i < req->n_ssids; i++) {
17419 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
17420 goto nla_put_failure;
17422 nla_nest_end(msg, nest);
17424 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
17425 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
17427 goto nla_put_failure;
17428 for (i = 0; i < req->n_channels; i++) {
17429 if (nla_put_u32(msg, i,
17430 ieee80211_channel_to_khz(req->channels[i])))
17431 goto nla_put_failure;
17433 nla_nest_end(msg, nest);
17435 nest = nla_nest_start_noflag(msg,
17436 NL80211_ATTR_SCAN_FREQUENCIES);
17438 goto nla_put_failure;
17439 for (i = 0; i < req->n_channels; i++) {
17440 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
17441 goto nla_put_failure;
17443 nla_nest_end(msg, nest);
17447 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
17448 goto nla_put_failure;
17451 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
17452 goto nla_put_failure;
17454 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
17455 &rdev->scan_req->info;
17456 if (info->scan_start_tsf &&
17457 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
17458 info->scan_start_tsf, NL80211_BSS_PAD) ||
17459 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
17461 goto nla_put_failure;
17468 static int nl80211_prep_scan_msg(struct sk_buff *msg,
17469 struct cfg80211_registered_device *rdev,
17470 struct wireless_dev *wdev,
17471 u32 portid, u32 seq, int flags,
17476 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
17480 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17481 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17482 wdev->netdev->ifindex)) ||
17483 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17485 goto nla_put_failure;
17487 /* ignore errors and send incomplete event anyway */
17488 nl80211_add_scan_req(msg, rdev);
17490 genlmsg_end(msg, hdr);
17494 genlmsg_cancel(msg, hdr);
17499 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
17500 struct cfg80211_sched_scan_request *req, u32 cmd)
17504 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17508 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
17509 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
17510 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
17511 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
17513 goto nla_put_failure;
17515 genlmsg_end(msg, hdr);
17519 genlmsg_cancel(msg, hdr);
17523 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
17524 struct wireless_dev *wdev)
17526 struct sk_buff *msg;
17528 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17532 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
17533 NL80211_CMD_TRIGGER_SCAN) < 0) {
17538 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17539 NL80211_MCGRP_SCAN, GFP_KERNEL);
17542 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
17543 struct wireless_dev *wdev, bool aborted)
17545 struct sk_buff *msg;
17547 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17551 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
17552 aborted ? NL80211_CMD_SCAN_ABORTED :
17553 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
17561 /* send message created by nl80211_build_scan_msg() */
17562 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
17563 struct sk_buff *msg)
17568 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17569 NL80211_MCGRP_SCAN, GFP_KERNEL);
17572 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
17574 struct sk_buff *msg;
17576 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17580 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
17585 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
17586 NL80211_MCGRP_SCAN, GFP_KERNEL);
17589 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
17590 struct regulatory_request *request)
17592 /* Userspace can always count this one always being set */
17593 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
17594 goto nla_put_failure;
17596 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
17597 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17598 NL80211_REGDOM_TYPE_WORLD))
17599 goto nla_put_failure;
17600 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
17601 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17602 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
17603 goto nla_put_failure;
17604 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
17605 request->intersect) {
17606 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17607 NL80211_REGDOM_TYPE_INTERSECTION))
17608 goto nla_put_failure;
17610 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17611 NL80211_REGDOM_TYPE_COUNTRY) ||
17612 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
17614 goto nla_put_failure;
17617 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
17618 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
17621 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
17622 goto nla_put_failure;
17625 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
17626 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
17627 goto nla_put_failure;
17637 * This can happen on global regulatory changes or device specific settings
17638 * based on custom regulatory domains.
17640 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
17641 struct regulatory_request *request)
17643 struct sk_buff *msg;
17646 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17650 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
17652 goto nla_put_failure;
17654 if (!nl80211_reg_change_event_fill(msg, request))
17655 goto nla_put_failure;
17657 genlmsg_end(msg, hdr);
17660 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
17661 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
17670 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
17671 struct net_device *netdev,
17672 const u8 *buf, size_t len,
17673 enum nl80211_commands cmd, gfp_t gfp,
17674 int uapsd_queues, const u8 *req_ies,
17675 size_t req_ies_len, bool reconnect)
17677 struct sk_buff *msg;
17680 msg = nlmsg_new(100 + len + req_ies_len, gfp);
17684 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17690 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17691 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17692 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
17694 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
17695 goto nla_put_failure;
17697 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
17698 goto nla_put_failure;
17700 if (uapsd_queues >= 0) {
17701 struct nlattr *nla_wmm =
17702 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
17704 goto nla_put_failure;
17706 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
17708 goto nla_put_failure;
17710 nla_nest_end(msg, nla_wmm);
17713 genlmsg_end(msg, hdr);
17715 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17716 NL80211_MCGRP_MLME, gfp);
17723 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
17724 struct net_device *netdev, const u8 *buf,
17725 size_t len, gfp_t gfp)
17727 nl80211_send_mlme_event(rdev, netdev, buf, len,
17728 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
17732 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
17733 struct net_device *netdev,
17734 struct cfg80211_rx_assoc_resp *data)
17736 nl80211_send_mlme_event(rdev, netdev, data->buf, data->len,
17737 NL80211_CMD_ASSOCIATE, GFP_KERNEL,
17738 data->uapsd_queues,
17739 data->req_ies, data->req_ies_len, false);
17742 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
17743 struct net_device *netdev, const u8 *buf,
17744 size_t len, bool reconnect, gfp_t gfp)
17746 nl80211_send_mlme_event(rdev, netdev, buf, len,
17747 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
17751 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
17752 struct net_device *netdev, const u8 *buf,
17753 size_t len, bool reconnect, gfp_t gfp)
17755 nl80211_send_mlme_event(rdev, netdev, buf, len,
17756 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
17760 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
17763 struct wireless_dev *wdev = dev->ieee80211_ptr;
17764 struct wiphy *wiphy = wdev->wiphy;
17765 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17766 const struct ieee80211_mgmt *mgmt = (void *)buf;
17769 if (WARN_ON(len < 2))
17772 if (ieee80211_is_deauth(mgmt->frame_control)) {
17773 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
17774 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
17775 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
17776 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
17777 if (wdev->unprot_beacon_reported &&
17778 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
17780 cmd = NL80211_CMD_UNPROT_BEACON;
17781 wdev->unprot_beacon_reported = jiffies;
17786 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
17787 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
17790 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
17792 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
17793 struct net_device *netdev, int cmd,
17794 const u8 *addr, gfp_t gfp)
17796 struct sk_buff *msg;
17799 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17803 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17809 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17810 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17811 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
17812 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
17813 goto nla_put_failure;
17815 genlmsg_end(msg, hdr);
17817 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17818 NL80211_MCGRP_MLME, gfp);
17825 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
17826 struct net_device *netdev, const u8 *addr,
17829 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
17833 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
17834 struct net_device *netdev, const u8 *addr,
17837 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
17841 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
17842 struct net_device *netdev,
17843 struct cfg80211_connect_resp_params *cr,
17846 struct sk_buff *msg;
17849 size_t link_info_size = 0;
17850 const u8 *connected_addr = cr->valid_links ?
17851 cr->ap_mld_addr : cr->links[0].bssid;
17853 if (cr->valid_links) {
17854 for_each_valid_link(cr, link) {
17855 /* Nested attribute header */
17856 link_info_size += NLA_HDRLEN;
17858 link_info_size += nla_total_size(sizeof(u8));
17859 link_info_size += cr->links[link].addr ?
17860 nla_total_size(ETH_ALEN) : 0;
17861 link_info_size += (cr->links[link].bssid ||
17862 cr->links[link].bss) ?
17863 nla_total_size(ETH_ALEN) : 0;
17864 link_info_size += nla_total_size(sizeof(u16));
17868 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
17869 cr->fils.kek_len + cr->fils.pmk_len +
17870 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0) + link_info_size,
17875 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
17881 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17882 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17884 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr)) ||
17885 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
17886 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
17889 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
17890 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
17891 cr->timeout_reason))) ||
17893 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
17895 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
17897 (cr->fils.update_erp_next_seq_num &&
17898 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
17899 cr->fils.erp_next_seq_num)) ||
17900 (cr->status == WLAN_STATUS_SUCCESS &&
17902 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
17905 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
17907 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
17908 goto nla_put_failure;
17910 if (cr->valid_links) {
17912 struct nlattr *nested;
17914 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
17916 goto nla_put_failure;
17918 for_each_valid_link(cr, link) {
17919 struct nlattr *nested_mlo_links;
17920 const u8 *bssid = cr->links[link].bss ?
17921 cr->links[link].bss->bssid :
17922 cr->links[link].bssid;
17924 nested_mlo_links = nla_nest_start(msg, i);
17925 if (!nested_mlo_links)
17926 goto nla_put_failure;
17928 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
17930 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
17931 (cr->links[link].addr &&
17932 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
17933 cr->links[link].addr)) ||
17934 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
17935 cr->links[link].status))
17936 goto nla_put_failure;
17938 nla_nest_end(msg, nested_mlo_links);
17941 nla_nest_end(msg, nested);
17944 genlmsg_end(msg, hdr);
17946 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17947 NL80211_MCGRP_MLME, gfp);
17954 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
17955 struct net_device *netdev,
17956 struct cfg80211_roam_info *info, gfp_t gfp)
17958 struct sk_buff *msg;
17960 size_t link_info_size = 0;
17962 const u8 *connected_addr = info->ap_mld_addr ?
17963 info->ap_mld_addr :
17964 (info->links[0].bss ?
17965 info->links[0].bss->bssid :
17966 info->links[0].bssid);
17968 if (info->valid_links) {
17969 for_each_valid_link(info, link) {
17970 /* Nested attribute header */
17971 link_info_size += NLA_HDRLEN;
17973 link_info_size += nla_total_size(sizeof(u8));
17974 link_info_size += info->links[link].addr ?
17975 nla_total_size(ETH_ALEN) : 0;
17976 link_info_size += (info->links[link].bssid ||
17977 info->links[link].bss) ?
17978 nla_total_size(ETH_ALEN) : 0;
17982 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
17983 info->fils.kek_len + info->fils.pmk_len +
17984 (info->fils.pmkid ? WLAN_PMKID_LEN : 0) +
17985 link_info_size, gfp);
17989 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
17995 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17996 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17997 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr) ||
17999 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
18002 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
18004 (info->fils.update_erp_next_seq_num &&
18005 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
18006 info->fils.erp_next_seq_num)) ||
18008 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
18009 info->fils.kek)) ||
18011 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
18012 (info->fils.pmkid &&
18013 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
18014 goto nla_put_failure;
18016 if (info->valid_links) {
18018 struct nlattr *nested;
18020 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18022 goto nla_put_failure;
18024 for_each_valid_link(info, link) {
18025 struct nlattr *nested_mlo_links;
18026 const u8 *bssid = info->links[link].bss ?
18027 info->links[link].bss->bssid :
18028 info->links[link].bssid;
18030 nested_mlo_links = nla_nest_start(msg, i);
18031 if (!nested_mlo_links)
18032 goto nla_put_failure;
18034 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
18036 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
18037 (info->links[link].addr &&
18038 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
18039 info->links[link].addr)))
18040 goto nla_put_failure;
18042 nla_nest_end(msg, nested_mlo_links);
18045 nla_nest_end(msg, nested);
18048 genlmsg_end(msg, hdr);
18050 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18051 NL80211_MCGRP_MLME, gfp);
18058 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
18059 struct net_device *netdev, const u8 *bssid,
18060 const u8 *td_bitmap, u8 td_bitmap_len)
18062 struct sk_buff *msg;
18065 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18069 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
18075 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18076 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18077 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18078 goto nla_put_failure;
18080 if ((td_bitmap_len > 0) && td_bitmap)
18081 if (nla_put(msg, NL80211_ATTR_TD_BITMAP,
18082 td_bitmap_len, td_bitmap))
18083 goto nla_put_failure;
18085 genlmsg_end(msg, hdr);
18087 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18088 NL80211_MCGRP_MLME, GFP_KERNEL);
18095 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
18096 struct net_device *netdev, u16 reason,
18097 const u8 *ie, size_t ie_len, bool from_ap)
18099 struct sk_buff *msg;
18102 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
18106 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
18112 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18113 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18115 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
18117 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
18118 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
18119 goto nla_put_failure;
18121 genlmsg_end(msg, hdr);
18123 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18124 NL80211_MCGRP_MLME, GFP_KERNEL);
18131 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
18132 struct net_device *netdev, const u8 *bssid,
18135 struct sk_buff *msg;
18138 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18142 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
18148 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18149 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18150 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18151 goto nla_put_failure;
18153 genlmsg_end(msg, hdr);
18155 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18156 NL80211_MCGRP_MLME, gfp);
18163 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
18164 const u8 *ie, u8 ie_len,
18165 int sig_dbm, gfp_t gfp)
18167 struct wireless_dev *wdev = dev->ieee80211_ptr;
18168 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18169 struct sk_buff *msg;
18172 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
18175 trace_cfg80211_notify_new_peer_candidate(dev, addr);
18177 msg = nlmsg_new(100 + ie_len, gfp);
18181 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
18187 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18188 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18189 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
18191 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
18193 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
18194 goto nla_put_failure;
18196 genlmsg_end(msg, hdr);
18198 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18199 NL80211_MCGRP_MLME, gfp);
18205 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
18207 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
18208 struct net_device *netdev, const u8 *addr,
18209 enum nl80211_key_type key_type, int key_id,
18210 const u8 *tsc, gfp_t gfp)
18212 struct sk_buff *msg;
18215 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18219 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
18225 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18226 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18227 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
18228 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
18230 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
18231 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
18232 goto nla_put_failure;
18234 genlmsg_end(msg, hdr);
18236 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18237 NL80211_MCGRP_MLME, gfp);
18244 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
18245 struct ieee80211_channel *channel_before,
18246 struct ieee80211_channel *channel_after)
18248 struct sk_buff *msg;
18250 struct nlattr *nl_freq;
18252 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
18256 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
18263 * Since we are applying the beacon hint to a wiphy we know its
18264 * wiphy_idx is valid
18266 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
18267 goto nla_put_failure;
18270 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
18272 goto nla_put_failure;
18274 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
18275 goto nla_put_failure;
18276 nla_nest_end(msg, nl_freq);
18279 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
18281 goto nla_put_failure;
18283 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
18284 goto nla_put_failure;
18285 nla_nest_end(msg, nl_freq);
18287 genlmsg_end(msg, hdr);
18290 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
18291 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
18300 static void nl80211_send_remain_on_chan_event(
18301 int cmd, struct cfg80211_registered_device *rdev,
18302 struct wireless_dev *wdev, u64 cookie,
18303 struct ieee80211_channel *chan,
18304 unsigned int duration, gfp_t gfp)
18306 struct sk_buff *msg;
18309 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18313 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18319 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18320 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18321 wdev->netdev->ifindex)) ||
18322 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18323 NL80211_ATTR_PAD) ||
18324 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
18325 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
18326 NL80211_CHAN_NO_HT) ||
18327 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
18329 goto nla_put_failure;
18331 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
18332 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
18333 goto nla_put_failure;
18335 genlmsg_end(msg, hdr);
18337 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18338 NL80211_MCGRP_MLME, gfp);
18345 void cfg80211_assoc_comeback(struct net_device *netdev,
18346 const u8 *ap_addr, u32 timeout)
18348 struct wireless_dev *wdev = netdev->ieee80211_ptr;
18349 struct wiphy *wiphy = wdev->wiphy;
18350 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18351 struct sk_buff *msg;
18354 trace_cfg80211_assoc_comeback(wdev, ap_addr, timeout);
18356 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18360 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ASSOC_COMEBACK);
18366 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18367 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18368 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ap_addr) ||
18369 nla_put_u32(msg, NL80211_ATTR_TIMEOUT, timeout))
18370 goto nla_put_failure;
18372 genlmsg_end(msg, hdr);
18374 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18375 NL80211_MCGRP_MLME, GFP_KERNEL);
18381 EXPORT_SYMBOL(cfg80211_assoc_comeback);
18383 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
18384 struct ieee80211_channel *chan,
18385 unsigned int duration, gfp_t gfp)
18387 struct wiphy *wiphy = wdev->wiphy;
18388 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18390 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
18391 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
18392 rdev, wdev, cookie, chan,
18395 EXPORT_SYMBOL(cfg80211_ready_on_channel);
18397 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
18398 struct ieee80211_channel *chan,
18401 struct wiphy *wiphy = wdev->wiphy;
18402 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18404 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
18405 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
18406 rdev, wdev, cookie, chan, 0, gfp);
18408 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
18410 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
18411 struct ieee80211_channel *chan,
18414 struct wiphy *wiphy = wdev->wiphy;
18415 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18417 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
18418 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
18419 rdev, wdev, cookie, chan, 0, gfp);
18421 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
18423 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
18424 struct station_info *sinfo, gfp_t gfp)
18426 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18427 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18428 struct sk_buff *msg;
18430 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
18432 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18436 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
18437 rdev, dev, mac_addr, sinfo) < 0) {
18442 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18443 NL80211_MCGRP_MLME, gfp);
18445 EXPORT_SYMBOL(cfg80211_new_sta);
18447 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
18448 struct station_info *sinfo, gfp_t gfp)
18450 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18451 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18452 struct sk_buff *msg;
18453 struct station_info empty_sinfo = {};
18456 sinfo = &empty_sinfo;
18458 trace_cfg80211_del_sta(dev, mac_addr);
18460 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18462 cfg80211_sinfo_release_content(sinfo);
18466 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
18467 rdev, dev, mac_addr, sinfo) < 0) {
18472 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18473 NL80211_MCGRP_MLME, gfp);
18475 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
18477 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
18478 enum nl80211_connect_failed_reason reason,
18481 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18482 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18483 struct sk_buff *msg;
18486 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
18490 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
18496 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18497 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
18498 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
18499 goto nla_put_failure;
18501 genlmsg_end(msg, hdr);
18503 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18504 NL80211_MCGRP_MLME, gfp);
18510 EXPORT_SYMBOL(cfg80211_conn_failed);
18512 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
18513 const u8 *addr, gfp_t gfp)
18515 struct wireless_dev *wdev = dev->ieee80211_ptr;
18516 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18517 struct sk_buff *msg;
18519 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
18524 msg = nlmsg_new(100, gfp);
18528 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18534 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18535 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18536 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
18537 goto nla_put_failure;
18539 genlmsg_end(msg, hdr);
18540 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18548 bool cfg80211_rx_spurious_frame(struct net_device *dev,
18549 const u8 *addr, gfp_t gfp)
18551 struct wireless_dev *wdev = dev->ieee80211_ptr;
18554 trace_cfg80211_rx_spurious_frame(dev, addr);
18556 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18557 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
18558 trace_cfg80211_return_bool(false);
18561 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
18563 trace_cfg80211_return_bool(ret);
18566 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
18568 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
18569 const u8 *addr, gfp_t gfp)
18571 struct wireless_dev *wdev = dev->ieee80211_ptr;
18574 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
18576 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18577 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
18578 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
18579 trace_cfg80211_return_bool(false);
18582 ret = __nl80211_unexpected_frame(dev,
18583 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
18585 trace_cfg80211_return_bool(ret);
18588 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
18590 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
18591 struct wireless_dev *wdev, u32 nlportid,
18592 struct cfg80211_rx_info *info, gfp_t gfp)
18594 struct net_device *netdev = wdev->netdev;
18595 struct sk_buff *msg;
18598 msg = nlmsg_new(100 + info->len, gfp);
18602 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
18608 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18609 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18610 netdev->ifindex)) ||
18611 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18612 NL80211_ATTR_PAD) ||
18613 (info->have_link_id &&
18614 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, info->link_id)) ||
18615 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(info->freq)) ||
18616 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, info->freq % 1000) ||
18618 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, info->sig_dbm)) ||
18619 nla_put(msg, NL80211_ATTR_FRAME, info->len, info->buf) ||
18621 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, info->flags)) ||
18622 (info->rx_tstamp && nla_put_u64_64bit(msg,
18623 NL80211_ATTR_RX_HW_TIMESTAMP,
18625 NL80211_ATTR_PAD)) ||
18626 (info->ack_tstamp && nla_put_u64_64bit(msg,
18627 NL80211_ATTR_TX_HW_TIMESTAMP,
18629 NL80211_ATTR_PAD)))
18630 goto nla_put_failure;
18632 genlmsg_end(msg, hdr);
18634 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18641 static void nl80211_frame_tx_status(struct wireless_dev *wdev,
18642 struct cfg80211_tx_status *status,
18643 gfp_t gfp, enum nl80211_commands command)
18645 struct wiphy *wiphy = wdev->wiphy;
18646 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18647 struct net_device *netdev = wdev->netdev;
18648 struct sk_buff *msg;
18651 if (command == NL80211_CMD_FRAME_TX_STATUS)
18652 trace_cfg80211_mgmt_tx_status(wdev, status->cookie,
18655 trace_cfg80211_control_port_tx_status(wdev, status->cookie,
18658 msg = nlmsg_new(100 + status->len, gfp);
18662 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
18668 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18669 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18670 netdev->ifindex)) ||
18671 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18672 NL80211_ATTR_PAD) ||
18673 nla_put(msg, NL80211_ATTR_FRAME, status->len, status->buf) ||
18674 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, status->cookie,
18675 NL80211_ATTR_PAD) ||
18676 (status->ack && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
18677 (status->tx_tstamp &&
18678 nla_put_u64_64bit(msg, NL80211_ATTR_TX_HW_TIMESTAMP,
18679 status->tx_tstamp, NL80211_ATTR_PAD)) ||
18680 (status->ack_tstamp &&
18681 nla_put_u64_64bit(msg, NL80211_ATTR_RX_HW_TIMESTAMP,
18682 status->ack_tstamp, NL80211_ATTR_PAD)))
18683 goto nla_put_failure;
18685 genlmsg_end(msg, hdr);
18687 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18688 NL80211_MCGRP_MLME, gfp);
18695 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
18696 const u8 *buf, size_t len, bool ack,
18699 struct cfg80211_tx_status status = {
18706 nl80211_frame_tx_status(wdev, &status, gfp,
18707 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
18709 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
18711 void cfg80211_mgmt_tx_status_ext(struct wireless_dev *wdev,
18712 struct cfg80211_tx_status *status, gfp_t gfp)
18714 nl80211_frame_tx_status(wdev, status, gfp, NL80211_CMD_FRAME_TX_STATUS);
18716 EXPORT_SYMBOL(cfg80211_mgmt_tx_status_ext);
18718 static int __nl80211_rx_control_port(struct net_device *dev,
18719 struct sk_buff *skb,
18720 bool unencrypted, gfp_t gfp)
18722 struct wireless_dev *wdev = dev->ieee80211_ptr;
18723 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18724 struct ethhdr *ehdr = eth_hdr(skb);
18725 const u8 *addr = ehdr->h_source;
18726 u16 proto = be16_to_cpu(skb->protocol);
18727 struct sk_buff *msg;
18729 struct nlattr *frame;
18731 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
18736 msg = nlmsg_new(100 + skb->len, gfp);
18740 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
18746 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18747 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18748 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18749 NL80211_ATTR_PAD) ||
18750 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
18751 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
18752 (unencrypted && nla_put_flag(msg,
18753 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
18754 goto nla_put_failure;
18756 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
18758 goto nla_put_failure;
18760 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
18761 genlmsg_end(msg, hdr);
18763 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18770 bool cfg80211_rx_control_port(struct net_device *dev,
18771 struct sk_buff *skb, bool unencrypted)
18775 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
18776 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
18777 trace_cfg80211_return_bool(ret == 0);
18780 EXPORT_SYMBOL(cfg80211_rx_control_port);
18782 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
18783 const char *mac, gfp_t gfp)
18785 struct wireless_dev *wdev = dev->ieee80211_ptr;
18786 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18787 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18793 cb = (void **)msg->cb;
18795 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
18801 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18802 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
18803 goto nla_put_failure;
18805 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
18806 goto nla_put_failure;
18808 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
18810 goto nla_put_failure;
18820 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
18822 void **cb = (void **)msg->cb;
18823 struct cfg80211_registered_device *rdev = cb[2];
18825 nla_nest_end(msg, cb[1]);
18826 genlmsg_end(msg, cb[0]);
18828 memset(msg->cb, 0, sizeof(msg->cb));
18830 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18831 NL80211_MCGRP_MLME, gfp);
18834 void cfg80211_cqm_rssi_notify(struct net_device *dev,
18835 enum nl80211_cqm_rssi_threshold_event rssi_event,
18836 s32 rssi_level, gfp_t gfp)
18838 struct sk_buff *msg;
18839 struct wireless_dev *wdev = dev->ieee80211_ptr;
18840 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18842 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
18844 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
18845 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
18848 if (wdev->cqm_config) {
18849 wdev->cqm_config->last_rssi_event_value = rssi_level;
18851 cfg80211_cqm_rssi_update(rdev, dev);
18853 if (rssi_level == 0)
18854 rssi_level = wdev->cqm_config->last_rssi_event_value;
18857 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
18861 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
18863 goto nla_put_failure;
18865 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
18867 goto nla_put_failure;
18869 cfg80211_send_cqm(msg, gfp);
18876 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
18878 void cfg80211_cqm_txe_notify(struct net_device *dev,
18879 const u8 *peer, u32 num_packets,
18880 u32 rate, u32 intvl, gfp_t gfp)
18882 struct sk_buff *msg;
18884 msg = cfg80211_prepare_cqm(dev, peer, gfp);
18888 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
18889 goto nla_put_failure;
18891 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
18892 goto nla_put_failure;
18894 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
18895 goto nla_put_failure;
18897 cfg80211_send_cqm(msg, gfp);
18903 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
18905 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
18906 const u8 *peer, u32 num_packets, gfp_t gfp)
18908 struct sk_buff *msg;
18910 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
18912 msg = cfg80211_prepare_cqm(dev, peer, gfp);
18916 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
18917 goto nla_put_failure;
18919 cfg80211_send_cqm(msg, gfp);
18925 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
18927 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
18929 struct sk_buff *msg;
18931 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
18935 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
18936 goto nla_put_failure;
18938 cfg80211_send_cqm(msg, gfp);
18944 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
18946 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
18947 struct net_device *netdev, const u8 *bssid,
18948 const u8 *replay_ctr, gfp_t gfp)
18950 struct sk_buff *msg;
18951 struct nlattr *rekey_attr;
18954 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18958 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
18964 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18965 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18966 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18967 goto nla_put_failure;
18969 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
18971 goto nla_put_failure;
18973 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
18974 NL80211_REPLAY_CTR_LEN, replay_ctr))
18975 goto nla_put_failure;
18977 nla_nest_end(msg, rekey_attr);
18979 genlmsg_end(msg, hdr);
18981 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18982 NL80211_MCGRP_MLME, gfp);
18989 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
18990 const u8 *replay_ctr, gfp_t gfp)
18992 struct wireless_dev *wdev = dev->ieee80211_ptr;
18993 struct wiphy *wiphy = wdev->wiphy;
18994 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18996 trace_cfg80211_gtk_rekey_notify(dev, bssid);
18997 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
18999 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
19002 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
19003 struct net_device *netdev, int index,
19004 const u8 *bssid, bool preauth, gfp_t gfp)
19006 struct sk_buff *msg;
19007 struct nlattr *attr;
19010 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19014 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
19020 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19021 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
19022 goto nla_put_failure;
19024 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
19026 goto nla_put_failure;
19028 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
19029 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
19031 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
19032 goto nla_put_failure;
19034 nla_nest_end(msg, attr);
19036 genlmsg_end(msg, hdr);
19038 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19039 NL80211_MCGRP_MLME, gfp);
19046 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
19047 const u8 *bssid, bool preauth, gfp_t gfp)
19049 struct wireless_dev *wdev = dev->ieee80211_ptr;
19050 struct wiphy *wiphy = wdev->wiphy;
19051 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19053 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
19054 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
19056 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
19058 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
19059 struct net_device *netdev,
19060 unsigned int link_id,
19061 struct cfg80211_chan_def *chandef,
19063 enum nl80211_commands notif,
19064 u8 count, bool quiet, u16 punct_bitmap)
19066 struct wireless_dev *wdev = netdev->ieee80211_ptr;
19067 struct sk_buff *msg;
19070 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19074 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
19080 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
19081 goto nla_put_failure;
19083 if (wdev->valid_links &&
19084 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
19085 goto nla_put_failure;
19087 if (nl80211_send_chandef(msg, chandef))
19088 goto nla_put_failure;
19090 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
19091 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
19092 goto nla_put_failure;
19094 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
19095 goto nla_put_failure;
19098 if (nla_put_u32(msg, NL80211_ATTR_PUNCT_BITMAP, punct_bitmap))
19099 goto nla_put_failure;
19101 genlmsg_end(msg, hdr);
19103 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19104 NL80211_MCGRP_MLME, gfp);
19111 void cfg80211_ch_switch_notify(struct net_device *dev,
19112 struct cfg80211_chan_def *chandef,
19113 unsigned int link_id, u16 punct_bitmap)
19115 struct wireless_dev *wdev = dev->ieee80211_ptr;
19116 struct wiphy *wiphy = wdev->wiphy;
19117 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19119 ASSERT_WDEV_LOCK(wdev);
19120 WARN_INVALID_LINK_ID(wdev, link_id);
19122 trace_cfg80211_ch_switch_notify(dev, chandef, link_id, punct_bitmap);
19124 switch (wdev->iftype) {
19125 case NL80211_IFTYPE_STATION:
19126 case NL80211_IFTYPE_P2P_CLIENT:
19127 if (!WARN_ON(!wdev->links[link_id].client.current_bss))
19128 cfg80211_update_assoc_bss_entry(wdev, link_id,
19131 case NL80211_IFTYPE_MESH_POINT:
19132 wdev->u.mesh.chandef = *chandef;
19133 wdev->u.mesh.preset_chandef = *chandef;
19135 case NL80211_IFTYPE_AP:
19136 case NL80211_IFTYPE_P2P_GO:
19137 wdev->links[link_id].ap.chandef = *chandef;
19139 case NL80211_IFTYPE_ADHOC:
19140 wdev->u.ibss.chandef = *chandef;
19147 cfg80211_sched_dfs_chan_update(rdev);
19149 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
19150 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false,
19153 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
19155 void cfg80211_ch_switch_started_notify(struct net_device *dev,
19156 struct cfg80211_chan_def *chandef,
19157 unsigned int link_id, u8 count,
19158 bool quiet, u16 punct_bitmap)
19160 struct wireless_dev *wdev = dev->ieee80211_ptr;
19161 struct wiphy *wiphy = wdev->wiphy;
19162 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19164 ASSERT_WDEV_LOCK(wdev);
19165 WARN_INVALID_LINK_ID(wdev, link_id);
19167 trace_cfg80211_ch_switch_started_notify(dev, chandef, link_id,
19171 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
19172 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
19173 count, quiet, punct_bitmap);
19175 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
19177 int cfg80211_bss_color_notify(struct net_device *dev,
19178 enum nl80211_commands cmd, u8 count,
19181 struct wireless_dev *wdev = dev->ieee80211_ptr;
19182 struct wiphy *wiphy = wdev->wiphy;
19183 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19184 struct sk_buff *msg;
19187 ASSERT_WDEV_LOCK(wdev);
19189 trace_cfg80211_bss_color_notify(dev, cmd, count, color_bitmap);
19191 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
19195 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
19197 goto nla_put_failure;
19199 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19200 goto nla_put_failure;
19202 if (cmd == NL80211_CMD_COLOR_CHANGE_STARTED &&
19203 nla_put_u32(msg, NL80211_ATTR_COLOR_CHANGE_COUNT, count))
19204 goto nla_put_failure;
19206 if (cmd == NL80211_CMD_OBSS_COLOR_COLLISION &&
19207 nla_put_u64_64bit(msg, NL80211_ATTR_OBSS_COLOR_BITMAP,
19208 color_bitmap, NL80211_ATTR_PAD))
19209 goto nla_put_failure;
19211 genlmsg_end(msg, hdr);
19213 return genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
19214 msg, 0, NL80211_MCGRP_MLME, GFP_KERNEL);
19220 EXPORT_SYMBOL(cfg80211_bss_color_notify);
19223 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
19224 const struct cfg80211_chan_def *chandef,
19225 enum nl80211_radar_event event,
19226 struct net_device *netdev, gfp_t gfp)
19228 struct sk_buff *msg;
19231 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19235 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
19241 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19242 goto nla_put_failure;
19244 /* NOP and radar events don't need a netdev parameter */
19246 struct wireless_dev *wdev = netdev->ieee80211_ptr;
19248 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19249 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19251 goto nla_put_failure;
19254 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
19255 goto nla_put_failure;
19257 if (nl80211_send_chandef(msg, chandef))
19258 goto nla_put_failure;
19260 genlmsg_end(msg, hdr);
19262 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19263 NL80211_MCGRP_MLME, gfp);
19270 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
19271 struct sta_opmode_info *sta_opmode,
19274 struct sk_buff *msg;
19275 struct wireless_dev *wdev = dev->ieee80211_ptr;
19276 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19282 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19286 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
19292 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19293 goto nla_put_failure;
19295 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19296 goto nla_put_failure;
19298 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
19299 goto nla_put_failure;
19301 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
19302 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
19303 goto nla_put_failure;
19305 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
19306 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
19307 goto nla_put_failure;
19309 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
19310 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
19311 goto nla_put_failure;
19313 genlmsg_end(msg, hdr);
19315 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19316 NL80211_MCGRP_MLME, gfp);
19323 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
19325 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
19326 u64 cookie, bool acked, s32 ack_signal,
19327 bool is_valid_ack_signal, gfp_t gfp)
19329 struct wireless_dev *wdev = dev->ieee80211_ptr;
19330 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19331 struct sk_buff *msg;
19334 trace_cfg80211_probe_status(dev, addr, cookie, acked);
19336 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19341 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
19347 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19348 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19349 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
19350 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
19351 NL80211_ATTR_PAD) ||
19352 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
19353 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
19355 goto nla_put_failure;
19357 genlmsg_end(msg, hdr);
19359 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19360 NL80211_MCGRP_MLME, gfp);
19366 EXPORT_SYMBOL(cfg80211_probe_status);
19368 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
19369 size_t len, int freq, int sig_dbm)
19371 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19372 struct sk_buff *msg;
19374 struct cfg80211_beacon_registration *reg;
19376 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
19378 spin_lock_bh(&rdev->beacon_registrations_lock);
19379 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
19380 msg = nlmsg_new(len + 100, GFP_ATOMIC);
19382 spin_unlock_bh(&rdev->beacon_registrations_lock);
19386 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
19388 goto nla_put_failure;
19390 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19392 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
19393 KHZ_TO_MHZ(freq)) ||
19394 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
19397 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19398 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
19399 goto nla_put_failure;
19401 genlmsg_end(msg, hdr);
19403 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
19405 spin_unlock_bh(&rdev->beacon_registrations_lock);
19409 spin_unlock_bh(&rdev->beacon_registrations_lock);
19412 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
19415 static int cfg80211_net_detect_results(struct sk_buff *msg,
19416 struct cfg80211_wowlan_wakeup *wakeup)
19418 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
19419 struct nlattr *nl_results, *nl_match, *nl_freqs;
19422 nl_results = nla_nest_start_noflag(msg,
19423 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
19427 for (i = 0; i < nd->n_matches; i++) {
19428 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
19430 nl_match = nla_nest_start_noflag(msg, i);
19434 /* The SSID attribute is optional in nl80211, but for
19435 * simplicity reasons it's always present in the
19436 * cfg80211 structure. If a driver can't pass the
19437 * SSID, that needs to be changed. A zero length SSID
19438 * is still a valid SSID (wildcard), so it cannot be
19439 * used for this purpose.
19441 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
19442 match->ssid.ssid)) {
19443 nla_nest_cancel(msg, nl_match);
19447 if (match->n_channels) {
19448 nl_freqs = nla_nest_start_noflag(msg,
19449 NL80211_ATTR_SCAN_FREQUENCIES);
19451 nla_nest_cancel(msg, nl_match);
19455 for (j = 0; j < match->n_channels; j++) {
19456 if (nla_put_u32(msg, j, match->channels[j])) {
19457 nla_nest_cancel(msg, nl_freqs);
19458 nla_nest_cancel(msg, nl_match);
19463 nla_nest_end(msg, nl_freqs);
19466 nla_nest_end(msg, nl_match);
19470 nla_nest_end(msg, nl_results);
19474 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
19475 struct cfg80211_wowlan_wakeup *wakeup,
19478 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19479 struct sk_buff *msg;
19483 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
19486 size += wakeup->packet_present_len;
19488 msg = nlmsg_new(size, gfp);
19492 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
19496 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19497 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19501 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
19502 wdev->netdev->ifindex))
19506 struct nlattr *reasons;
19508 reasons = nla_nest_start_noflag(msg,
19509 NL80211_ATTR_WOWLAN_TRIGGERS);
19513 if (wakeup->disconnect &&
19514 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
19516 if (wakeup->magic_pkt &&
19517 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
19519 if (wakeup->gtk_rekey_failure &&
19520 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
19522 if (wakeup->eap_identity_req &&
19523 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
19525 if (wakeup->four_way_handshake &&
19526 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
19528 if (wakeup->rfkill_release &&
19529 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
19532 if (wakeup->pattern_idx >= 0 &&
19533 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
19534 wakeup->pattern_idx))
19537 if (wakeup->tcp_match &&
19538 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
19541 if (wakeup->tcp_connlost &&
19542 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
19545 if (wakeup->tcp_nomoretokens &&
19547 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
19550 if (wakeup->packet) {
19551 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
19552 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
19554 if (!wakeup->packet_80211) {
19556 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
19558 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
19561 if (wakeup->packet_len &&
19562 nla_put_u32(msg, len_attr, wakeup->packet_len))
19565 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
19570 if (wakeup->net_detect &&
19571 cfg80211_net_detect_results(msg, wakeup))
19574 nla_nest_end(msg, reasons);
19577 genlmsg_end(msg, hdr);
19579 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19580 NL80211_MCGRP_MLME, gfp);
19586 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
19589 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
19590 enum nl80211_tdls_operation oper,
19591 u16 reason_code, gfp_t gfp)
19593 struct wireless_dev *wdev = dev->ieee80211_ptr;
19594 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19595 struct sk_buff *msg;
19598 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
19601 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19605 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
19611 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19612 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19613 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
19614 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
19615 (reason_code > 0 &&
19616 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
19617 goto nla_put_failure;
19619 genlmsg_end(msg, hdr);
19621 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19622 NL80211_MCGRP_MLME, gfp);
19628 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
19630 static int nl80211_netlink_notify(struct notifier_block * nb,
19631 unsigned long state,
19634 struct netlink_notify *notify = _notify;
19635 struct cfg80211_registered_device *rdev;
19636 struct wireless_dev *wdev;
19637 struct cfg80211_beacon_registration *reg, *tmp;
19639 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
19640 return NOTIFY_DONE;
19644 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
19645 struct cfg80211_sched_scan_request *sched_scan_req;
19647 list_for_each_entry_rcu(sched_scan_req,
19648 &rdev->sched_scan_req_list,
19650 if (sched_scan_req->owner_nlportid == notify->portid) {
19651 sched_scan_req->nl_owner_dead = true;
19652 schedule_work(&rdev->sched_scan_stop_wk);
19656 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
19657 cfg80211_mlme_unregister_socket(wdev, notify->portid);
19659 if (wdev->owner_nlportid == notify->portid) {
19660 wdev->nl_owner_dead = true;
19661 schedule_work(&rdev->destroy_work);
19662 } else if (wdev->conn_owner_nlportid == notify->portid) {
19663 schedule_work(&wdev->disconnect_wk);
19666 cfg80211_release_pmsr(wdev, notify->portid);
19669 spin_lock_bh(&rdev->beacon_registrations_lock);
19670 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
19672 if (reg->nlportid == notify->portid) {
19673 list_del(®->list);
19678 spin_unlock_bh(&rdev->beacon_registrations_lock);
19684 * It is possible that the user space process that is controlling the
19685 * indoor setting disappeared, so notify the regulatory core.
19687 regulatory_netlink_notify(notify->portid);
19691 static struct notifier_block nl80211_netlink_notifier = {
19692 .notifier_call = nl80211_netlink_notify,
19695 void cfg80211_ft_event(struct net_device *netdev,
19696 struct cfg80211_ft_event_params *ft_event)
19698 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
19699 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19700 struct sk_buff *msg;
19703 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
19705 if (!ft_event->target_ap)
19708 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
19713 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
19717 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19718 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19719 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
19722 if (ft_event->ies &&
19723 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
19725 if (ft_event->ric_ies &&
19726 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
19727 ft_event->ric_ies))
19730 genlmsg_end(msg, hdr);
19732 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19733 NL80211_MCGRP_MLME, GFP_KERNEL);
19738 EXPORT_SYMBOL(cfg80211_ft_event);
19740 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
19742 struct cfg80211_registered_device *rdev;
19743 struct sk_buff *msg;
19747 rdev = wiphy_to_rdev(wdev->wiphy);
19748 if (!rdev->crit_proto_nlportid)
19751 nlportid = rdev->crit_proto_nlportid;
19752 rdev->crit_proto_nlportid = 0;
19754 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19758 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
19760 goto nla_put_failure;
19762 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19763 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19765 goto nla_put_failure;
19767 genlmsg_end(msg, hdr);
19769 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
19775 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
19777 void nl80211_send_ap_stopped(struct wireless_dev *wdev, unsigned int link_id)
19779 struct wiphy *wiphy = wdev->wiphy;
19780 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19781 struct sk_buff *msg;
19784 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
19788 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
19792 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19793 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
19794 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19795 NL80211_ATTR_PAD) ||
19796 (wdev->valid_links &&
19797 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)))
19800 genlmsg_end(msg, hdr);
19802 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
19803 NL80211_MCGRP_MLME, GFP_KERNEL);
19809 int cfg80211_external_auth_request(struct net_device *dev,
19810 struct cfg80211_external_auth_params *params,
19813 struct wireless_dev *wdev = dev->ieee80211_ptr;
19814 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19815 struct sk_buff *msg;
19818 if (!wdev->conn_owner_nlportid)
19821 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19825 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
19827 goto nla_put_failure;
19829 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19830 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19831 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
19832 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
19834 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
19835 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
19836 params->ssid.ssid) ||
19837 (!is_zero_ether_addr(params->mld_addr) &&
19838 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN, params->mld_addr)))
19839 goto nla_put_failure;
19841 genlmsg_end(msg, hdr);
19842 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
19843 wdev->conn_owner_nlportid);
19850 EXPORT_SYMBOL(cfg80211_external_auth_request);
19852 void cfg80211_update_owe_info_event(struct net_device *netdev,
19853 struct cfg80211_update_owe_info *owe_info,
19856 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
19857 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19858 struct sk_buff *msg;
19861 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
19863 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19867 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
19869 goto nla_put_failure;
19871 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19872 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19873 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
19874 goto nla_put_failure;
19876 if (!owe_info->ie_len ||
19877 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
19878 goto nla_put_failure;
19880 if (owe_info->assoc_link_id != -1) {
19881 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
19882 owe_info->assoc_link_id))
19883 goto nla_put_failure;
19885 if (!is_zero_ether_addr(owe_info->peer_mld_addr) &&
19886 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
19887 owe_info->peer_mld_addr))
19888 goto nla_put_failure;
19891 genlmsg_end(msg, hdr);
19893 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19894 NL80211_MCGRP_MLME, gfp);
19898 genlmsg_cancel(msg, hdr);
19901 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
19903 /* initialisation/exit functions */
19905 int __init nl80211_init(void)
19909 err = genl_register_family(&nl80211_fam);
19913 err = netlink_register_notifier(&nl80211_netlink_notifier);
19919 genl_unregister_family(&nl80211_fam);
19923 void nl80211_exit(void)
19925 netlink_unregister_notifier(&nl80211_netlink_notifier);
19926 genl_unregister_family(&nl80211_fam);