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 },
810 /* policy for the key attributes */
811 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
812 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
813 [NL80211_KEY_IDX] = { .type = NLA_U8 },
814 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
815 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
816 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
817 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
818 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
819 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
820 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
823 /* policy for the key default flags */
824 static const struct nla_policy
825 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
826 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
827 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
831 /* policy for WoWLAN attributes */
832 static const struct nla_policy
833 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
834 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
835 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
836 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
837 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
838 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
839 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
840 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
841 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
842 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
843 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
846 static const struct nla_policy
847 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
848 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
849 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
850 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
851 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
852 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
853 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
854 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
855 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
857 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
858 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
860 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
861 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
862 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
864 #endif /* CONFIG_PM */
866 /* policy for coalesce rule attributes */
867 static const struct nla_policy
868 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
869 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
870 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
871 NLA_POLICY_RANGE(NLA_U32,
872 NL80211_COALESCE_CONDITION_MATCH,
873 NL80211_COALESCE_CONDITION_NO_MATCH),
874 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
877 /* policy for GTK rekey offload attributes */
878 static const struct nla_policy
879 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
880 [NL80211_REKEY_DATA_KEK] = {
882 .len = NL80211_KEK_EXT_LEN
884 [NL80211_REKEY_DATA_KCK] = {
886 .len = NL80211_KCK_EXT_LEN
888 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
889 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
892 static const struct nla_policy
893 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
894 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
895 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
896 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
897 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
898 [NL80211_BAND_LC] = { .type = NLA_S32 },
901 static const struct nla_policy
902 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
903 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
904 .len = IEEE80211_MAX_SSID_LEN },
905 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
906 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
907 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
908 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
911 static const struct nla_policy
912 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
913 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
914 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
917 static const struct nla_policy
918 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
919 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
920 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
921 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
922 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
926 /* policy for NAN function attributes */
927 static const struct nla_policy
928 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
929 [NL80211_NAN_FUNC_TYPE] =
930 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
931 [NL80211_NAN_FUNC_SERVICE_ID] = {
932 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
933 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
934 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
935 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
936 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
937 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
938 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
939 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
940 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
941 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
942 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
943 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
944 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
945 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
946 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
947 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
950 /* policy for Service Response Filter attributes */
951 static const struct nla_policy
952 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
953 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
954 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
955 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
956 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
957 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
960 /* policy for packet pattern attributes */
961 static const struct nla_policy
962 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
963 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
964 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
965 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
968 static int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
969 struct cfg80211_registered_device **rdev,
970 struct wireless_dev **wdev,
971 struct nlattr **attrbuf)
976 struct nlattr **attrbuf_free = NULL;
979 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
983 attrbuf_free = attrbuf;
986 err = nlmsg_parse_deprecated(cb->nlh,
987 GENL_HDRLEN + nl80211_fam.hdrsize,
988 attrbuf, nl80211_fam.maxattr,
989 nl80211_policy, NULL);
996 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
1001 return PTR_ERR(*wdev);
1003 *rdev = wiphy_to_rdev((*wdev)->wiphy);
1004 mutex_lock(&(*rdev)->wiphy.mtx);
1006 /* 0 is the first index - add 1 to parse only once */
1007 cb->args[0] = (*rdev)->wiphy_idx + 1;
1008 cb->args[1] = (*wdev)->identifier;
1010 /* subtract the 1 again here */
1011 struct wiphy *wiphy;
1012 struct wireless_dev *tmp;
1015 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
1020 *rdev = wiphy_to_rdev(wiphy);
1023 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
1024 if (tmp->identifier == cb->args[1]) {
1034 mutex_lock(&(*rdev)->wiphy.mtx);
1041 /* message building helper */
1042 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
1045 /* since there is no private header just add the generic one */
1046 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
1049 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
1050 const struct ieee80211_reg_rule *rule)
1053 struct nlattr *nl_wmm_rules =
1054 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
1057 goto nla_put_failure;
1059 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
1060 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
1063 goto nla_put_failure;
1065 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
1066 rule->wmm_rule.client[j].cw_min) ||
1067 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
1068 rule->wmm_rule.client[j].cw_max) ||
1069 nla_put_u8(msg, NL80211_WMMR_AIFSN,
1070 rule->wmm_rule.client[j].aifsn) ||
1071 nla_put_u16(msg, NL80211_WMMR_TXOP,
1072 rule->wmm_rule.client[j].cot))
1073 goto nla_put_failure;
1075 nla_nest_end(msg, nl_wmm_rule);
1077 nla_nest_end(msg, nl_wmm_rules);
1085 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
1086 struct ieee80211_channel *chan,
1089 /* Some channels must be completely excluded from the
1090 * list to protect old user-space tools from breaking
1092 if (!large && chan->flags &
1093 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1095 if (!large && chan->freq_offset)
1098 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1100 goto nla_put_failure;
1102 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1103 goto nla_put_failure;
1105 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1106 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1107 goto nla_put_failure;
1108 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1109 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1110 goto nla_put_failure;
1111 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1112 goto nla_put_failure;
1114 if (chan->flags & IEEE80211_CHAN_RADAR) {
1115 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1116 goto nla_put_failure;
1120 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1122 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1124 goto nla_put_failure;
1125 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1127 goto nla_put_failure;
1128 if (nla_put_u32(msg,
1129 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1131 goto nla_put_failure;
1136 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1137 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1138 goto nla_put_failure;
1139 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1140 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1141 goto nla_put_failure;
1142 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1143 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1144 goto nla_put_failure;
1145 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1146 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1147 goto nla_put_failure;
1148 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1149 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1150 goto nla_put_failure;
1151 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1152 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
1153 goto nla_put_failure;
1154 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1155 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1156 goto nla_put_failure;
1157 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1158 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1159 goto nla_put_failure;
1160 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1161 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1162 goto nla_put_failure;
1163 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1164 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1165 goto nla_put_failure;
1166 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1167 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1168 goto nla_put_failure;
1169 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1170 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1171 goto nla_put_failure;
1172 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1173 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1174 goto nla_put_failure;
1175 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1176 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1177 goto nla_put_failure;
1178 if ((chan->flags & IEEE80211_CHAN_NO_320MHZ) &&
1179 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_320MHZ))
1180 goto nla_put_failure;
1181 if ((chan->flags & IEEE80211_CHAN_NO_EHT) &&
1182 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_EHT))
1183 goto nla_put_failure;
1186 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1187 DBM_TO_MBM(chan->max_power)))
1188 goto nla_put_failure;
1191 const struct ieee80211_reg_rule *rule =
1192 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
1194 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
1195 if (nl80211_msg_put_wmm_rules(msg, rule))
1196 goto nla_put_failure;
1206 static bool nl80211_put_txq_stats(struct sk_buff *msg,
1207 struct cfg80211_txq_stats *txqstats,
1210 struct nlattr *txqattr;
1212 #define PUT_TXQVAL_U32(attr, memb) do { \
1213 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1214 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1218 txqattr = nla_nest_start_noflag(msg, attrtype);
1222 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1223 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1224 PUT_TXQVAL_U32(FLOWS, flows);
1225 PUT_TXQVAL_U32(DROPS, drops);
1226 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1227 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1228 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1229 PUT_TXQVAL_U32(COLLISIONS, collisions);
1230 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1231 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1232 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1233 nla_nest_end(msg, txqattr);
1235 #undef PUT_TXQVAL_U32
1239 /* netlink command implementations */
1242 * nl80211_link_id - return link ID
1243 * @attrs: attributes to look at
1245 * Returns: the link ID or 0 if not given
1247 * Note this function doesn't do any validation of the link
1248 * ID validity wrt. links that were actually added, so it must
1249 * be called only from ops with %NL80211_FLAG_MLO_VALID_LINK_ID
1250 * or if additional validation is done.
1252 static unsigned int nl80211_link_id(struct nlattr **attrs)
1254 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1259 return nla_get_u8(linkid);
1262 static int nl80211_link_id_or_invalid(struct nlattr **attrs)
1264 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1269 return nla_get_u8(linkid);
1273 struct key_params p;
1276 bool def, defmgmt, defbeacon;
1277 bool def_uni, def_multi;
1280 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1281 struct key_parse *k)
1283 struct nlattr *tb[NL80211_KEY_MAX + 1];
1284 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1290 k->def = !!tb[NL80211_KEY_DEFAULT];
1291 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1292 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
1296 k->def_multi = true;
1298 if (k->defmgmt || k->defbeacon)
1299 k->def_multi = true;
1301 if (tb[NL80211_KEY_IDX])
1302 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1304 if (tb[NL80211_KEY_DATA]) {
1305 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1306 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1309 if (tb[NL80211_KEY_SEQ]) {
1310 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1311 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1314 if (tb[NL80211_KEY_CIPHER])
1315 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1317 if (tb[NL80211_KEY_TYPE])
1318 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1320 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1321 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1323 err = nla_parse_nested_deprecated(kdt,
1324 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1325 tb[NL80211_KEY_DEFAULT_TYPES],
1326 nl80211_key_default_policy,
1331 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1332 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1335 if (tb[NL80211_KEY_MODE])
1336 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1341 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1343 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1344 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1345 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1348 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1349 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1350 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1353 if (info->attrs[NL80211_ATTR_KEY_IDX])
1354 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1356 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1357 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1359 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1360 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1364 k->def_multi = true;
1367 k->def_multi = true;
1369 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1370 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1372 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1373 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1374 int err = nla_parse_nested_deprecated(kdt,
1375 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1376 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1377 nl80211_key_default_policy,
1382 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1383 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1389 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1393 memset(k, 0, sizeof(*k));
1397 if (info->attrs[NL80211_ATTR_KEY])
1398 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1400 err = nl80211_parse_key_old(info, k);
1405 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1406 (k->defbeacon ? 1 : 0) > 1) {
1407 GENL_SET_ERR_MSG(info,
1408 "key with multiple default flags is invalid");
1412 if (k->defmgmt || k->defbeacon) {
1413 if (k->def_uni || !k->def_multi) {
1414 GENL_SET_ERR_MSG(info,
1415 "defmgmt/defbeacon key must be mcast");
1422 if (k->idx < 4 || k->idx > 5) {
1423 GENL_SET_ERR_MSG(info,
1424 "defmgmt key idx not 4 or 5");
1427 } else if (k->defbeacon) {
1428 if (k->idx < 6 || k->idx > 7) {
1429 GENL_SET_ERR_MSG(info,
1430 "defbeacon key idx not 6 or 7");
1433 } else if (k->def) {
1434 if (k->idx < 0 || k->idx > 3) {
1435 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1439 if (k->idx < 0 || k->idx > 7) {
1440 GENL_SET_ERR_MSG(info, "key idx not 0-7");
1449 static struct cfg80211_cached_keys *
1450 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1451 struct genl_info *info, bool *no_ht)
1453 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1454 struct key_parse parse;
1456 struct cfg80211_cached_keys *result;
1457 int rem, err, def = 0;
1458 bool have_key = false;
1460 nla_for_each_nested(key, keys, rem) {
1468 result = kzalloc(sizeof(*result), GFP_KERNEL);
1470 return ERR_PTR(-ENOMEM);
1474 nla_for_each_nested(key, keys, rem) {
1475 memset(&parse, 0, sizeof(parse));
1478 err = nl80211_parse_key_new(info, key, &parse);
1484 if (parse.idx < 0 || parse.idx > 3) {
1485 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1490 GENL_SET_ERR_MSG(info,
1491 "only one key can be default");
1495 result->def = parse.idx;
1496 if (!parse.def_uni || !parse.def_multi)
1498 } else if (parse.defmgmt)
1500 err = cfg80211_validate_key_settings(rdev, &parse.p,
1501 parse.idx, false, NULL);
1504 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1505 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1506 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1510 result->params[parse.idx].cipher = parse.p.cipher;
1511 result->params[parse.idx].key_len = parse.p.key_len;
1512 result->params[parse.idx].key = result->data[parse.idx];
1513 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1515 /* must be WEP key if we got here */
1520 if (result->def < 0) {
1522 GENL_SET_ERR_MSG(info, "need a default/TX key");
1529 return ERR_PTR(err);
1532 static int nl80211_key_allowed(struct wireless_dev *wdev)
1534 ASSERT_WDEV_LOCK(wdev);
1536 switch (wdev->iftype) {
1537 case NL80211_IFTYPE_AP:
1538 case NL80211_IFTYPE_AP_VLAN:
1539 case NL80211_IFTYPE_P2P_GO:
1540 case NL80211_IFTYPE_MESH_POINT:
1542 case NL80211_IFTYPE_ADHOC:
1543 if (wdev->u.ibss.current_bss)
1546 case NL80211_IFTYPE_STATION:
1547 case NL80211_IFTYPE_P2P_CLIENT:
1548 if (wdev->connected)
1551 case NL80211_IFTYPE_UNSPECIFIED:
1552 case NL80211_IFTYPE_OCB:
1553 case NL80211_IFTYPE_MONITOR:
1554 case NL80211_IFTYPE_NAN:
1555 case NL80211_IFTYPE_P2P_DEVICE:
1556 case NL80211_IFTYPE_WDS:
1557 case NUM_NL80211_IFTYPES:
1564 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1567 struct ieee80211_channel *chan;
1569 chan = ieee80211_get_channel_khz(wiphy, freq);
1570 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1575 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1577 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1581 goto nla_put_failure;
1585 if ((ifmodes & 1) && nla_put_flag(msg, i))
1586 goto nla_put_failure;
1591 nla_nest_end(msg, nl_modes);
1598 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1599 struct sk_buff *msg,
1602 struct nlattr *nl_combis;
1605 nl_combis = nla_nest_start_noflag(msg,
1606 NL80211_ATTR_INTERFACE_COMBINATIONS);
1608 goto nla_put_failure;
1610 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1611 const struct ieee80211_iface_combination *c;
1612 struct nlattr *nl_combi, *nl_limits;
1614 c = &wiphy->iface_combinations[i];
1616 nl_combi = nla_nest_start_noflag(msg, i + 1);
1618 goto nla_put_failure;
1620 nl_limits = nla_nest_start_noflag(msg,
1621 NL80211_IFACE_COMB_LIMITS);
1623 goto nla_put_failure;
1625 for (j = 0; j < c->n_limits; j++) {
1626 struct nlattr *nl_limit;
1628 nl_limit = nla_nest_start_noflag(msg, j + 1);
1630 goto nla_put_failure;
1631 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1633 goto nla_put_failure;
1634 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1635 c->limits[j].types))
1636 goto nla_put_failure;
1637 nla_nest_end(msg, nl_limit);
1640 nla_nest_end(msg, nl_limits);
1642 if (c->beacon_int_infra_match &&
1643 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1644 goto nla_put_failure;
1645 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1646 c->num_different_channels) ||
1647 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1649 goto nla_put_failure;
1651 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1652 c->radar_detect_widths) ||
1653 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1654 c->radar_detect_regions)))
1655 goto nla_put_failure;
1656 if (c->beacon_int_min_gcd &&
1657 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1658 c->beacon_int_min_gcd))
1659 goto nla_put_failure;
1661 nla_nest_end(msg, nl_combi);
1664 nla_nest_end(msg, nl_combis);
1672 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1673 struct sk_buff *msg)
1675 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1676 struct nlattr *nl_tcp;
1681 nl_tcp = nla_nest_start_noflag(msg,
1682 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1686 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1687 tcp->data_payload_max))
1690 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1691 tcp->data_payload_max))
1694 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1697 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1698 sizeof(*tcp->tok), tcp->tok))
1701 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1702 tcp->data_interval_max))
1705 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1706 tcp->wake_payload_max))
1709 nla_nest_end(msg, nl_tcp);
1713 static int nl80211_send_wowlan(struct sk_buff *msg,
1714 struct cfg80211_registered_device *rdev,
1717 struct nlattr *nl_wowlan;
1719 if (!rdev->wiphy.wowlan)
1722 nl_wowlan = nla_nest_start_noflag(msg,
1723 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1727 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1728 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1729 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1730 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1731 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1732 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1733 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1734 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1735 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1736 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1737 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1738 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1739 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1740 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1741 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1742 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1745 if (rdev->wiphy.wowlan->n_patterns) {
1746 struct nl80211_pattern_support pat = {
1747 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1748 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1749 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1750 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1753 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1758 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1759 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1760 rdev->wiphy.wowlan->max_nd_match_sets))
1763 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1766 nla_nest_end(msg, nl_wowlan);
1772 static int nl80211_send_coalesce(struct sk_buff *msg,
1773 struct cfg80211_registered_device *rdev)
1775 struct nl80211_coalesce_rule_support rule;
1777 if (!rdev->wiphy.coalesce)
1780 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1781 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1782 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1783 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1784 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1785 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1787 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1794 nl80211_send_iftype_data(struct sk_buff *msg,
1795 const struct ieee80211_supported_band *sband,
1796 const struct ieee80211_sband_iftype_data *iftdata)
1798 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1799 const struct ieee80211_sta_eht_cap *eht_cap = &iftdata->eht_cap;
1801 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1802 iftdata->types_mask))
1805 if (he_cap->has_he) {
1806 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1807 sizeof(he_cap->he_cap_elem.mac_cap_info),
1808 he_cap->he_cap_elem.mac_cap_info) ||
1809 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1810 sizeof(he_cap->he_cap_elem.phy_cap_info),
1811 he_cap->he_cap_elem.phy_cap_info) ||
1812 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1813 sizeof(he_cap->he_mcs_nss_supp),
1814 &he_cap->he_mcs_nss_supp) ||
1815 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1816 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1820 if (eht_cap->has_eht && he_cap->has_he) {
1821 u8 mcs_nss_size, ppe_thresh_size;
1825 is_ap = iftdata->types_mask & BIT(NL80211_IFTYPE_AP) ||
1826 iftdata->types_mask & BIT(NL80211_IFTYPE_P2P_GO);
1829 ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
1830 &eht_cap->eht_cap_elem,
1833 ppe_thres_hdr = get_unaligned_le16(&eht_cap->eht_ppe_thres[0]);
1835 ieee80211_eht_ppe_size(ppe_thres_hdr,
1836 eht_cap->eht_cap_elem.phy_cap_info);
1838 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC,
1839 sizeof(eht_cap->eht_cap_elem.mac_cap_info),
1840 eht_cap->eht_cap_elem.mac_cap_info) ||
1841 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY,
1842 sizeof(eht_cap->eht_cap_elem.phy_cap_info),
1843 eht_cap->eht_cap_elem.phy_cap_info) ||
1844 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET,
1845 mcs_nss_size, &eht_cap->eht_mcs_nss_supp) ||
1846 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE,
1847 ppe_thresh_size, eht_cap->eht_ppe_thres))
1851 if (sband->band == NL80211_BAND_6GHZ &&
1852 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1853 sizeof(iftdata->he_6ghz_capa),
1854 &iftdata->he_6ghz_capa))
1857 if (iftdata->vendor_elems.data && iftdata->vendor_elems.len &&
1858 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_VENDOR_ELEMS,
1859 iftdata->vendor_elems.len, iftdata->vendor_elems.data))
1865 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1866 struct ieee80211_supported_band *sband,
1869 struct nlattr *nl_rates, *nl_rate;
1870 struct ieee80211_rate *rate;
1874 if (sband->ht_cap.ht_supported &&
1875 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1876 sizeof(sband->ht_cap.mcs),
1877 &sband->ht_cap.mcs) ||
1878 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1879 sband->ht_cap.cap) ||
1880 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1881 sband->ht_cap.ampdu_factor) ||
1882 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1883 sband->ht_cap.ampdu_density)))
1887 if (sband->vht_cap.vht_supported &&
1888 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1889 sizeof(sband->vht_cap.vht_mcs),
1890 &sband->vht_cap.vht_mcs) ||
1891 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1892 sband->vht_cap.cap)))
1895 if (large && sband->n_iftype_data) {
1896 struct nlattr *nl_iftype_data =
1897 nla_nest_start_noflag(msg,
1898 NL80211_BAND_ATTR_IFTYPE_DATA);
1901 if (!nl_iftype_data)
1904 for (i = 0; i < sband->n_iftype_data; i++) {
1905 struct nlattr *iftdata;
1907 iftdata = nla_nest_start_noflag(msg, i + 1);
1911 err = nl80211_send_iftype_data(msg, sband,
1912 &sband->iftype_data[i]);
1916 nla_nest_end(msg, iftdata);
1919 nla_nest_end(msg, nl_iftype_data);
1923 if (large && sband->edmg_cap.channels &&
1924 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1925 sband->edmg_cap.channels) ||
1926 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1927 sband->edmg_cap.bw_config)))
1932 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1936 for (i = 0; i < sband->n_bitrates; i++) {
1937 nl_rate = nla_nest_start_noflag(msg, i);
1941 rate = &sband->bitrates[i];
1942 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1945 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1947 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1950 nla_nest_end(msg, nl_rate);
1953 nla_nest_end(msg, nl_rates);
1959 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1960 const struct ieee80211_txrx_stypes *mgmt_stypes)
1963 struct nlattr *nl_ftypes, *nl_ifs;
1964 enum nl80211_iftype ift;
1970 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1974 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1975 nl_ftypes = nla_nest_start_noflag(msg, ift);
1979 stypes = mgmt_stypes[ift].tx;
1982 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1983 (i << 4) | IEEE80211_FTYPE_MGMT))
1988 nla_nest_end(msg, nl_ftypes);
1991 nla_nest_end(msg, nl_ifs);
1993 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1997 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1998 nl_ftypes = nla_nest_start_noflag(msg, ift);
2002 stypes = mgmt_stypes[ift].rx;
2005 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
2006 (i << 4) | IEEE80211_FTYPE_MGMT))
2011 nla_nest_end(msg, nl_ftypes);
2013 nla_nest_end(msg, nl_ifs);
2018 #define CMD(op, n) \
2020 if (rdev->ops->op) { \
2022 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
2023 goto nla_put_failure; \
2027 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
2028 struct sk_buff *msg)
2033 * do *NOT* add anything into this function, new things need to be
2034 * advertised only to new versions of userspace that can deal with
2035 * the split (and they can't possibly care about new features...
2037 CMD(add_virtual_intf, NEW_INTERFACE);
2038 CMD(change_virtual_intf, SET_INTERFACE);
2039 CMD(add_key, NEW_KEY);
2040 CMD(start_ap, START_AP);
2041 CMD(add_station, NEW_STATION);
2042 CMD(add_mpath, NEW_MPATH);
2043 CMD(update_mesh_config, SET_MESH_CONFIG);
2044 CMD(change_bss, SET_BSS);
2045 CMD(auth, AUTHENTICATE);
2046 CMD(assoc, ASSOCIATE);
2047 CMD(deauth, DEAUTHENTICATE);
2048 CMD(disassoc, DISASSOCIATE);
2049 CMD(join_ibss, JOIN_IBSS);
2050 CMD(join_mesh, JOIN_MESH);
2051 CMD(set_pmksa, SET_PMKSA);
2052 CMD(del_pmksa, DEL_PMKSA);
2053 CMD(flush_pmksa, FLUSH_PMKSA);
2054 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
2055 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
2056 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
2057 CMD(mgmt_tx, FRAME);
2058 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
2059 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
2061 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
2062 goto nla_put_failure;
2064 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
2065 rdev->ops->join_mesh) {
2067 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
2068 goto nla_put_failure;
2070 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
2071 CMD(tdls_mgmt, TDLS_MGMT);
2072 CMD(tdls_oper, TDLS_OPER);
2074 if (rdev->wiphy.max_sched_scan_reqs)
2075 CMD(sched_scan_start, START_SCHED_SCAN);
2076 CMD(probe_client, PROBE_CLIENT);
2077 CMD(set_noack_map, SET_NOACK_MAP);
2078 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
2080 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
2081 goto nla_put_failure;
2083 CMD(start_p2p_device, START_P2P_DEVICE);
2084 CMD(set_mcast_rate, SET_MCAST_RATE);
2085 #ifdef CONFIG_NL80211_TESTMODE
2086 CMD(testmode_cmd, TESTMODE);
2089 if (rdev->ops->connect || rdev->ops->auth) {
2091 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
2092 goto nla_put_failure;
2095 if (rdev->ops->disconnect || rdev->ops->deauth) {
2097 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
2098 goto nla_put_failure;
2107 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
2108 struct sk_buff *msg)
2112 if (!cap->ftm.supported)
2115 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
2119 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
2121 if (cap->ftm.non_asap &&
2122 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
2124 if (cap->ftm.request_lci &&
2125 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
2127 if (cap->ftm.request_civicloc &&
2128 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
2130 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
2131 cap->ftm.preambles))
2133 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2134 cap->ftm.bandwidths))
2136 if (cap->ftm.max_bursts_exponent >= 0 &&
2137 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2138 cap->ftm.max_bursts_exponent))
2140 if (cap->ftm.max_ftms_per_burst &&
2141 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2142 cap->ftm.max_ftms_per_burst))
2144 if (cap->ftm.trigger_based &&
2145 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2147 if (cap->ftm.non_trigger_based &&
2148 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2151 nla_nest_end(msg, ftm);
2155 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2156 struct sk_buff *msg)
2158 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2159 struct nlattr *pmsr, *caps;
2165 * we don't need to clean up anything here since the caller
2166 * will genlmsg_cancel() if we fail
2169 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
2173 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2176 if (cap->report_ap_tsf &&
2177 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2180 if (cap->randomize_mac_addr &&
2181 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2184 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
2188 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2191 nla_nest_end(msg, caps);
2192 nla_nest_end(msg, pmsr);
2198 nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2199 struct sk_buff *msg)
2202 struct nlattr *nested, *nested_akms;
2203 const struct wiphy_iftype_akm_suites *iftype_akms;
2205 if (!rdev->wiphy.num_iftype_akm_suites ||
2206 !rdev->wiphy.iftype_akm_suites)
2209 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2213 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2214 nested_akms = nla_nest_start(msg, i + 1);
2218 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2220 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2221 iftype_akms->iftypes_mask))
2224 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2225 sizeof(u32) * iftype_akms->n_akm_suites,
2226 iftype_akms->akm_suites)) {
2229 nla_nest_end(msg, nested_akms);
2232 nla_nest_end(msg, nested);
2238 nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2239 struct sk_buff *msg)
2241 struct nlattr *supp;
2243 if (!rdev->wiphy.tid_config_support.vif &&
2244 !rdev->wiphy.tid_config_support.peer)
2247 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2251 if (rdev->wiphy.tid_config_support.vif &&
2252 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2253 rdev->wiphy.tid_config_support.vif,
2254 NL80211_TID_CONFIG_ATTR_PAD))
2257 if (rdev->wiphy.tid_config_support.peer &&
2258 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2259 rdev->wiphy.tid_config_support.peer,
2260 NL80211_TID_CONFIG_ATTR_PAD))
2263 /* for now we just use the same value ... makes more sense */
2264 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2265 rdev->wiphy.tid_config_support.max_retry))
2267 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2268 rdev->wiphy.tid_config_support.max_retry))
2271 nla_nest_end(msg, supp);
2275 nla_nest_cancel(msg, supp);
2280 nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2281 struct sk_buff *msg)
2283 struct nlattr *sar_capa, *specs, *sub_freq_range;
2287 if (!rdev->wiphy.sar_capa)
2290 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2292 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2296 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2299 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2303 /* report supported freq_ranges */
2304 for (i = 0; i < num_freq_ranges; i++) {
2305 sub_freq_range = nla_nest_start(msg, i + 1);
2306 if (!sub_freq_range)
2309 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2310 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2313 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2314 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2317 nla_nest_end(msg, sub_freq_range);
2320 nla_nest_end(msg, specs);
2321 nla_nest_end(msg, sar_capa);
2325 nla_nest_cancel(msg, sar_capa);
2329 static int nl80211_put_mbssid_support(struct wiphy *wiphy, struct sk_buff *msg)
2331 struct nlattr *config;
2333 if (!wiphy->mbssid_max_interfaces)
2336 config = nla_nest_start(msg, NL80211_ATTR_MBSSID_CONFIG);
2340 if (nla_put_u8(msg, NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES,
2341 wiphy->mbssid_max_interfaces))
2344 if (wiphy->ema_max_profile_periodicity &&
2346 NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY,
2347 wiphy->ema_max_profile_periodicity))
2350 nla_nest_end(msg, config);
2354 nla_nest_cancel(msg, config);
2358 struct nl80211_dump_wiphy_state {
2361 long split_start, band_start, chan_start, capa_start;
2365 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
2366 enum nl80211_commands cmd,
2367 struct sk_buff *msg, u32 portid, u32 seq,
2368 int flags, struct nl80211_dump_wiphy_state *state)
2371 struct nlattr *nl_bands, *nl_band;
2372 struct nlattr *nl_freqs, *nl_freq;
2373 struct nlattr *nl_cmds;
2374 enum nl80211_band band;
2375 struct ieee80211_channel *chan;
2377 const struct ieee80211_txrx_stypes *mgmt_stypes =
2378 rdev->wiphy.mgmt_stypes;
2381 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2385 if (WARN_ON(!state))
2388 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2389 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
2390 wiphy_name(&rdev->wiphy)) ||
2391 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2392 cfg80211_rdev_list_generation))
2393 goto nla_put_failure;
2395 if (cmd != NL80211_CMD_NEW_WIPHY)
2398 switch (state->split_start) {
2400 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
2401 rdev->wiphy.retry_short) ||
2402 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
2403 rdev->wiphy.retry_long) ||
2404 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
2405 rdev->wiphy.frag_threshold) ||
2406 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
2407 rdev->wiphy.rts_threshold) ||
2408 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
2409 rdev->wiphy.coverage_class) ||
2410 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
2411 rdev->wiphy.max_scan_ssids) ||
2412 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
2413 rdev->wiphy.max_sched_scan_ssids) ||
2414 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
2415 rdev->wiphy.max_scan_ie_len) ||
2416 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
2417 rdev->wiphy.max_sched_scan_ie_len) ||
2418 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
2419 rdev->wiphy.max_match_sets))
2420 goto nla_put_failure;
2422 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
2423 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
2424 goto nla_put_failure;
2425 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
2426 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2427 goto nla_put_failure;
2428 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2429 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2430 goto nla_put_failure;
2431 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
2432 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2433 goto nla_put_failure;
2434 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2435 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2436 goto nla_put_failure;
2437 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
2438 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
2439 goto nla_put_failure;
2440 state->split_start++;
2445 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
2446 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2447 rdev->wiphy.cipher_suites))
2448 goto nla_put_failure;
2450 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
2451 rdev->wiphy.max_num_pmkids))
2452 goto nla_put_failure;
2454 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
2455 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
2456 goto nla_put_failure;
2458 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
2459 rdev->wiphy.available_antennas_tx) ||
2460 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2461 rdev->wiphy.available_antennas_rx))
2462 goto nla_put_failure;
2464 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2465 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2466 rdev->wiphy.probe_resp_offload))
2467 goto nla_put_failure;
2469 if ((rdev->wiphy.available_antennas_tx ||
2470 rdev->wiphy.available_antennas_rx) &&
2471 rdev->ops->get_antenna) {
2472 u32 tx_ant = 0, rx_ant = 0;
2475 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2477 if (nla_put_u32(msg,
2478 NL80211_ATTR_WIPHY_ANTENNA_TX,
2481 NL80211_ATTR_WIPHY_ANTENNA_RX,
2483 goto nla_put_failure;
2487 state->split_start++;
2492 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2493 rdev->wiphy.interface_modes))
2494 goto nla_put_failure;
2495 state->split_start++;
2500 nl_bands = nla_nest_start_noflag(msg,
2501 NL80211_ATTR_WIPHY_BANDS);
2503 goto nla_put_failure;
2505 for (band = state->band_start;
2506 band < (state->split ?
2508 NL80211_BAND_60GHZ + 1);
2510 struct ieee80211_supported_band *sband;
2512 /* omit higher bands for ancient software */
2513 if (band > NL80211_BAND_5GHZ && !state->split)
2516 sband = rdev->wiphy.bands[band];
2521 nl_band = nla_nest_start_noflag(msg, band);
2523 goto nla_put_failure;
2525 switch (state->chan_start) {
2527 if (nl80211_send_band_rateinfo(msg, sband,
2529 goto nla_put_failure;
2530 state->chan_start++;
2535 /* add frequencies */
2536 nl_freqs = nla_nest_start_noflag(msg,
2537 NL80211_BAND_ATTR_FREQS);
2539 goto nla_put_failure;
2541 for (i = state->chan_start - 1;
2542 i < sband->n_channels;
2544 nl_freq = nla_nest_start_noflag(msg,
2547 goto nla_put_failure;
2549 chan = &sband->channels[i];
2551 if (nl80211_msg_put_channel(
2552 msg, &rdev->wiphy, chan,
2554 goto nla_put_failure;
2556 nla_nest_end(msg, nl_freq);
2560 if (i < sband->n_channels)
2561 state->chan_start = i + 2;
2563 state->chan_start = 0;
2564 nla_nest_end(msg, nl_freqs);
2567 nla_nest_end(msg, nl_band);
2570 /* start again here */
2571 if (state->chan_start)
2576 nla_nest_end(msg, nl_bands);
2578 if (band < NUM_NL80211_BANDS)
2579 state->band_start = band + 1;
2581 state->band_start = 0;
2583 /* if bands & channels are done, continue outside */
2584 if (state->band_start == 0 && state->chan_start == 0)
2585 state->split_start++;
2590 nl_cmds = nla_nest_start_noflag(msg,
2591 NL80211_ATTR_SUPPORTED_COMMANDS);
2593 goto nla_put_failure;
2595 i = nl80211_add_commands_unsplit(rdev, msg);
2597 goto nla_put_failure;
2599 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2600 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2601 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2602 CMD(channel_switch, CHANNEL_SWITCH);
2603 CMD(set_qos_map, SET_QOS_MAP);
2604 if (rdev->wiphy.features &
2605 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2606 CMD(add_tx_ts, ADD_TX_TS);
2607 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2608 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2609 CMD(update_ft_ies, UPDATE_FT_IES);
2610 if (rdev->wiphy.sar_capa)
2611 CMD(set_sar_specs, SET_SAR_SPECS);
2615 nla_nest_end(msg, nl_cmds);
2616 state->split_start++;
2621 if (rdev->ops->remain_on_channel &&
2622 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2624 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2625 rdev->wiphy.max_remain_on_channel_duration))
2626 goto nla_put_failure;
2628 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2629 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2630 goto nla_put_failure;
2632 state->split_start++;
2638 if (nl80211_send_wowlan(msg, rdev, state->split))
2639 goto nla_put_failure;
2640 state->split_start++;
2644 state->split_start++;
2648 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2649 rdev->wiphy.software_iftypes))
2650 goto nla_put_failure;
2652 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2654 goto nla_put_failure;
2656 state->split_start++;
2661 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2662 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2663 rdev->wiphy.ap_sme_capa))
2664 goto nla_put_failure;
2666 features = rdev->wiphy.features;
2668 * We can only add the per-channel limit information if the
2669 * dump is split, otherwise it makes it too big. Therefore
2670 * only advertise it in that case.
2673 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2674 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2675 goto nla_put_failure;
2677 if (rdev->wiphy.ht_capa_mod_mask &&
2678 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2679 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2680 rdev->wiphy.ht_capa_mod_mask))
2681 goto nla_put_failure;
2683 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2684 rdev->wiphy.max_acl_mac_addrs &&
2685 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2686 rdev->wiphy.max_acl_mac_addrs))
2687 goto nla_put_failure;
2690 * Any information below this point is only available to
2691 * applications that can deal with it being split. This
2692 * helps ensure that newly added capabilities don't break
2693 * older tools by overrunning their buffers.
2695 * We still increment split_start so that in the split
2696 * case we'll continue with more data in the next round,
2697 * but break unconditionally so unsplit data stops here.
2700 state->split_start++;
2702 state->split_start = 0;
2705 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2706 goto nla_put_failure;
2708 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2709 rdev->wiphy.max_sched_scan_plans) ||
2710 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2711 rdev->wiphy.max_sched_scan_plan_interval) ||
2712 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2713 rdev->wiphy.max_sched_scan_plan_iterations))
2714 goto nla_put_failure;
2716 if (rdev->wiphy.extended_capabilities &&
2717 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2718 rdev->wiphy.extended_capabilities_len,
2719 rdev->wiphy.extended_capabilities) ||
2720 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2721 rdev->wiphy.extended_capabilities_len,
2722 rdev->wiphy.extended_capabilities_mask)))
2723 goto nla_put_failure;
2725 if (rdev->wiphy.vht_capa_mod_mask &&
2726 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2727 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2728 rdev->wiphy.vht_capa_mod_mask))
2729 goto nla_put_failure;
2731 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2732 rdev->wiphy.perm_addr))
2733 goto nla_put_failure;
2735 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2736 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2737 rdev->wiphy.addr_mask))
2738 goto nla_put_failure;
2740 if (rdev->wiphy.n_addresses > 1) {
2743 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2745 goto nla_put_failure;
2747 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2748 if (nla_put(msg, i + 1, ETH_ALEN,
2749 rdev->wiphy.addresses[i].addr))
2750 goto nla_put_failure;
2752 nla_nest_end(msg, attr);
2755 state->split_start++;
2758 if (nl80211_send_coalesce(msg, rdev))
2759 goto nla_put_failure;
2761 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2762 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2763 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2764 goto nla_put_failure;
2766 if (rdev->wiphy.max_ap_assoc_sta &&
2767 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2768 rdev->wiphy.max_ap_assoc_sta))
2769 goto nla_put_failure;
2771 state->split_start++;
2774 if (rdev->wiphy.n_vendor_commands) {
2775 const struct nl80211_vendor_cmd_info *info;
2776 struct nlattr *nested;
2778 nested = nla_nest_start_noflag(msg,
2779 NL80211_ATTR_VENDOR_DATA);
2781 goto nla_put_failure;
2783 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2784 info = &rdev->wiphy.vendor_commands[i].info;
2785 if (nla_put(msg, i + 1, sizeof(*info), info))
2786 goto nla_put_failure;
2788 nla_nest_end(msg, nested);
2791 if (rdev->wiphy.n_vendor_events) {
2792 const struct nl80211_vendor_cmd_info *info;
2793 struct nlattr *nested;
2795 nested = nla_nest_start_noflag(msg,
2796 NL80211_ATTR_VENDOR_EVENTS);
2798 goto nla_put_failure;
2800 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2801 info = &rdev->wiphy.vendor_events[i];
2802 if (nla_put(msg, i + 1, sizeof(*info), info))
2803 goto nla_put_failure;
2805 nla_nest_end(msg, nested);
2807 state->split_start++;
2810 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2811 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2812 rdev->wiphy.max_num_csa_counters))
2813 goto nla_put_failure;
2815 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2816 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2817 goto nla_put_failure;
2819 if (rdev->wiphy.max_sched_scan_reqs &&
2820 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2821 rdev->wiphy.max_sched_scan_reqs))
2822 goto nla_put_failure;
2824 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2825 sizeof(rdev->wiphy.ext_features),
2826 rdev->wiphy.ext_features))
2827 goto nla_put_failure;
2829 if (rdev->wiphy.bss_select_support) {
2830 struct nlattr *nested;
2831 u32 bss_select_support = rdev->wiphy.bss_select_support;
2833 nested = nla_nest_start_noflag(msg,
2834 NL80211_ATTR_BSS_SELECT);
2836 goto nla_put_failure;
2839 while (bss_select_support) {
2840 if ((bss_select_support & 1) &&
2841 nla_put_flag(msg, i))
2842 goto nla_put_failure;
2844 bss_select_support >>= 1;
2846 nla_nest_end(msg, nested);
2849 state->split_start++;
2852 if (rdev->wiphy.num_iftype_ext_capab &&
2853 rdev->wiphy.iftype_ext_capab) {
2854 struct nlattr *nested_ext_capab, *nested;
2856 nested = nla_nest_start_noflag(msg,
2857 NL80211_ATTR_IFTYPE_EXT_CAPA);
2859 goto nla_put_failure;
2861 for (i = state->capa_start;
2862 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2863 const struct wiphy_iftype_ext_capab *capab;
2865 capab = &rdev->wiphy.iftype_ext_capab[i];
2867 nested_ext_capab = nla_nest_start_noflag(msg,
2869 if (!nested_ext_capab ||
2870 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2872 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2873 capab->extended_capabilities_len,
2874 capab->extended_capabilities) ||
2875 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2876 capab->extended_capabilities_len,
2877 capab->extended_capabilities_mask))
2878 goto nla_put_failure;
2880 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO &&
2882 NL80211_ATTR_EML_CAPABILITY,
2883 capab->eml_capabilities) ||
2885 NL80211_ATTR_MLD_CAPA_AND_OPS,
2886 capab->mld_capa_and_ops)))
2887 goto nla_put_failure;
2889 nla_nest_end(msg, nested_ext_capab);
2893 nla_nest_end(msg, nested);
2894 if (i < rdev->wiphy.num_iftype_ext_capab) {
2895 state->capa_start = i + 1;
2900 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2901 rdev->wiphy.nan_supported_bands))
2902 goto nla_put_failure;
2904 if (wiphy_ext_feature_isset(&rdev->wiphy,
2905 NL80211_EXT_FEATURE_TXQS)) {
2906 struct cfg80211_txq_stats txqstats = {};
2909 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2911 !nl80211_put_txq_stats(msg, &txqstats,
2912 NL80211_ATTR_TXQ_STATS))
2913 goto nla_put_failure;
2915 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2916 rdev->wiphy.txq_limit))
2917 goto nla_put_failure;
2918 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2919 rdev->wiphy.txq_memory_limit))
2920 goto nla_put_failure;
2921 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2922 rdev->wiphy.txq_quantum))
2923 goto nla_put_failure;
2926 state->split_start++;
2929 if (nl80211_send_pmsr_capa(rdev, msg))
2930 goto nla_put_failure;
2932 state->split_start++;
2935 if (rdev->wiphy.akm_suites &&
2936 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2937 sizeof(u32) * rdev->wiphy.n_akm_suites,
2938 rdev->wiphy.akm_suites))
2939 goto nla_put_failure;
2941 if (nl80211_put_iftype_akm_suites(rdev, msg))
2942 goto nla_put_failure;
2944 if (nl80211_put_tid_config_support(rdev, msg))
2945 goto nla_put_failure;
2946 state->split_start++;
2949 if (nl80211_put_sar_specs(rdev, msg))
2950 goto nla_put_failure;
2952 if (nl80211_put_mbssid_support(&rdev->wiphy, msg))
2953 goto nla_put_failure;
2955 if (nla_put_u16(msg, NL80211_ATTR_MAX_NUM_AKM_SUITES,
2956 rdev->wiphy.max_num_akm_suites))
2957 goto nla_put_failure;
2959 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO)
2960 nla_put_flag(msg, NL80211_ATTR_MLO_SUPPORT);
2963 state->split_start = 0;
2967 genlmsg_end(msg, hdr);
2971 genlmsg_cancel(msg, hdr);
2975 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2976 struct netlink_callback *cb,
2977 struct nl80211_dump_wiphy_state *state)
2979 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2985 ret = nlmsg_parse_deprecated(cb->nlh,
2986 GENL_HDRLEN + nl80211_fam.hdrsize,
2987 tb, nl80211_fam.maxattr,
2988 nl80211_policy, NULL);
2989 /* ignore parse errors for backward compatibility */
2995 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2996 if (tb[NL80211_ATTR_WIPHY])
2997 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2998 if (tb[NL80211_ATTR_WDEV])
2999 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
3000 if (tb[NL80211_ATTR_IFINDEX]) {
3001 struct net_device *netdev;
3002 struct cfg80211_registered_device *rdev;
3003 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
3005 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
3010 if (netdev->ieee80211_ptr) {
3011 rdev = wiphy_to_rdev(
3012 netdev->ieee80211_ptr->wiphy);
3013 state->filter_wiphy = rdev->wiphy_idx;
3023 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
3026 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
3027 struct cfg80211_registered_device *rdev;
3031 state = kzalloc(sizeof(*state), GFP_KERNEL);
3036 state->filter_wiphy = -1;
3037 ret = nl80211_dump_wiphy_parse(skb, cb, state);
3043 cb->args[0] = (long)state;
3046 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3047 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3049 if (++idx <= state->start)
3051 if (state->filter_wiphy != -1 &&
3052 state->filter_wiphy != rdev->wiphy_idx)
3054 /* attempt to fit multiple wiphy data chunks into the skb */
3056 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
3058 NETLINK_CB(cb->skb).portid,
3060 NLM_F_MULTI, state);
3063 * If sending the wiphy data didn't fit (ENOBUFS
3064 * or EMSGSIZE returned), this SKB is still
3065 * empty (so it's not too big because another
3066 * wiphy dataset is already in the skb) and
3067 * we've not tried to adjust the dump allocation
3068 * yet ... then adjust the alloc size to be
3069 * bigger, and return 1 but with the empty skb.
3070 * This results in an empty message being RX'ed
3071 * in userspace, but that is ignored.
3073 * We can then retry with the larger buffer.
3075 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
3076 !skb->len && !state->split &&
3077 cb->min_dump_alloc < 4096) {
3078 cb->min_dump_alloc = 4096;
3079 state->split_start = 0;
3086 } while (state->split_start > 0);
3096 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
3098 kfree((void *)cb->args[0]);
3102 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
3104 struct sk_buff *msg;
3105 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3106 struct nl80211_dump_wiphy_state state = {};
3108 msg = nlmsg_new(4096, GFP_KERNEL);
3112 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
3113 info->snd_portid, info->snd_seq, 0,
3119 return genlmsg_reply(msg, info);
3122 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
3123 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
3124 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
3125 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
3126 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
3127 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
3130 static int parse_txq_params(struct nlattr *tb[],
3131 struct ieee80211_txq_params *txq_params)
3135 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
3136 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
3137 !tb[NL80211_TXQ_ATTR_AIFS])
3140 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
3141 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
3142 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
3143 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
3144 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
3146 if (ac >= NL80211_NUM_ACS)
3148 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
3152 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
3155 * You can only set the channel explicitly for some interfaces,
3156 * most have their channel managed via their respective
3157 * "establish a connection" command (connect, join, ...)
3159 * For AP/GO and mesh mode, the channel can be set with the
3160 * channel userspace API, but is only stored and passed to the
3161 * low-level driver when the AP starts or the mesh is joined.
3162 * This is for backward compatibility, userspace can also give
3163 * the channel in the start-ap or join-mesh commands instead.
3165 * Monitors are special as they are normally slaved to
3166 * whatever else is going on, so they have their own special
3167 * operation to set the monitor channel if possible.
3170 wdev->iftype == NL80211_IFTYPE_AP ||
3171 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
3172 wdev->iftype == NL80211_IFTYPE_MONITOR ||
3173 wdev->iftype == NL80211_IFTYPE_P2P_GO;
3176 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
3177 struct genl_info *info,
3178 struct cfg80211_chan_def *chandef)
3180 struct netlink_ext_ack *extack = info->extack;
3181 struct nlattr **attrs = info->attrs;
3184 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
3187 control_freq = MHZ_TO_KHZ(
3188 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3189 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3191 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
3193 memset(chandef, 0, sizeof(*chandef));
3194 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3195 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
3196 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3197 chandef->freq1_offset = control_freq % 1000;
3198 chandef->center_freq2 = 0;
3200 /* Primary channel not allowed */
3201 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3202 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3203 "Channel is disabled");
3207 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3208 enum nl80211_channel_type chantype;
3210 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3213 case NL80211_CHAN_NO_HT:
3214 case NL80211_CHAN_HT20:
3215 case NL80211_CHAN_HT40PLUS:
3216 case NL80211_CHAN_HT40MINUS:
3217 cfg80211_chandef_create(chandef, chandef->chan,
3219 /* user input for center_freq is incorrect */
3220 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3221 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3222 NL_SET_ERR_MSG_ATTR(extack,
3223 attrs[NL80211_ATTR_CENTER_FREQ1],
3224 "bad center frequency 1");
3227 /* center_freq2 must be zero */
3228 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3229 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3230 NL_SET_ERR_MSG_ATTR(extack,
3231 attrs[NL80211_ATTR_CENTER_FREQ2],
3232 "center frequency 2 can't be used");
3237 NL_SET_ERR_MSG_ATTR(extack,
3238 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3239 "invalid channel type");
3242 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3244 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
3245 if (chandef->chan->band == NL80211_BAND_S1GHZ) {
3246 /* User input error for channel width doesn't match channel */
3247 if (chandef->width != ieee80211_s1g_channel_width(chandef->chan)) {
3248 NL_SET_ERR_MSG_ATTR(extack,
3249 attrs[NL80211_ATTR_CHANNEL_WIDTH],
3250 "bad channel width");
3254 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3255 chandef->center_freq1 =
3256 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
3257 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3258 chandef->freq1_offset = nla_get_u32(
3259 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3261 chandef->freq1_offset = 0;
3263 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3264 chandef->center_freq2 =
3265 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3268 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3269 chandef->edmg.channels =
3270 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3272 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3273 chandef->edmg.bw_config =
3274 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3276 chandef->edmg.bw_config = 0;
3277 chandef->edmg.channels = 0;
3280 if (!cfg80211_chandef_valid(chandef)) {
3281 NL_SET_ERR_MSG(extack, "invalid channel definition");
3285 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
3286 IEEE80211_CHAN_DISABLED)) {
3287 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3291 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3292 chandef->width == NL80211_CHAN_WIDTH_10) &&
3293 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3294 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
3301 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
3302 struct net_device *dev,
3303 struct genl_info *info,
3306 struct cfg80211_chan_def chandef;
3308 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
3309 struct wireless_dev *wdev = NULL;
3310 int link_id = _link_id;
3313 wdev = dev->ieee80211_ptr;
3314 if (!nl80211_can_set_dev_channel(wdev))
3317 iftype = wdev->iftype;
3320 if (wdev && wdev->valid_links)
3325 result = nl80211_parse_chandef(rdev, info, &chandef);
3330 case NL80211_IFTYPE_AP:
3331 case NL80211_IFTYPE_P2P_GO:
3332 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3335 if (wdev->links[link_id].ap.beacon_interval) {
3336 struct ieee80211_channel *cur_chan;
3338 if (!dev || !rdev->ops->set_ap_chanwidth ||
3339 !(rdev->wiphy.features &
3340 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE))
3343 /* Only allow dynamic channel width changes */
3344 cur_chan = wdev->links[link_id].ap.chandef.chan;
3345 if (chandef.chan != cur_chan)
3348 result = rdev_set_ap_chanwidth(rdev, dev, link_id,
3352 wdev->links[link_id].ap.chandef = chandef;
3354 wdev->u.ap.preset_chandef = chandef;
3357 case NL80211_IFTYPE_MESH_POINT:
3358 return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
3359 case NL80211_IFTYPE_MONITOR:
3360 return cfg80211_set_monitor_channel(rdev, &chandef);
3368 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3370 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3371 int link_id = nl80211_link_id_or_invalid(info->attrs);
3372 struct net_device *netdev = info->user_ptr[1];
3375 wdev_lock(netdev->ieee80211_ptr);
3376 ret = __nl80211_set_channel(rdev, netdev, info, link_id);
3377 wdev_unlock(netdev->ieee80211_ptr);
3382 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3384 struct cfg80211_registered_device *rdev = NULL;
3385 struct net_device *netdev = NULL;
3386 struct wireless_dev *wdev;
3387 int result = 0, rem_txq_params = 0;
3388 struct nlattr *nl_txq_params;
3390 u8 retry_short = 0, retry_long = 0;
3391 u32 frag_threshold = 0, rts_threshold = 0;
3392 u8 coverage_class = 0;
3393 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
3397 * Try to find the wiphy and netdev. Normally this
3398 * function shouldn't need the netdev, but this is
3399 * done for backward compatibility -- previously
3400 * setting the channel was done per wiphy, but now
3401 * it is per netdev. Previous userland like hostapd
3402 * also passed a netdev to set_wiphy, so that it is
3403 * possible to let that go to the right netdev!
3406 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3407 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3409 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
3410 if (netdev && netdev->ieee80211_ptr)
3411 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
3417 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3421 return PTR_ERR(rdev);
3427 wdev = netdev->ieee80211_ptr;
3429 wiphy_lock(&rdev->wiphy);
3432 * end workaround code, by now the rdev is available
3433 * and locked, and wdev may or may not be NULL.
3436 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
3437 result = cfg80211_dev_rename(
3438 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
3444 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3445 struct ieee80211_txq_params txq_params;
3446 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3448 if (!rdev->ops->set_txq_params) {
3449 result = -EOPNOTSUPP;
3458 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3459 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3464 if (!netif_running(netdev)) {
3469 nla_for_each_nested(nl_txq_params,
3470 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3472 result = nla_parse_nested_deprecated(tb,
3473 NL80211_TXQ_ATTR_MAX,
3479 result = parse_txq_params(tb, &txq_params);
3483 txq_params.link_id =
3484 nl80211_link_id_or_invalid(info->attrs);
3486 wdev_lock(netdev->ieee80211_ptr);
3487 if (txq_params.link_id >= 0 &&
3488 !(netdev->ieee80211_ptr->valid_links &
3489 BIT(txq_params.link_id)))
3491 else if (txq_params.link_id >= 0 &&
3492 !netdev->ieee80211_ptr->valid_links)
3495 result = rdev_set_txq_params(rdev, netdev,
3497 wdev_unlock(netdev->ieee80211_ptr);
3503 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3504 int link_id = nl80211_link_id_or_invalid(info->attrs);
3508 result = __nl80211_set_channel(
3510 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3514 result = __nl80211_set_channel(rdev, netdev, info, link_id);
3521 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
3522 struct wireless_dev *txp_wdev = wdev;
3523 enum nl80211_tx_power_setting type;
3526 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3529 if (!rdev->ops->set_tx_power) {
3530 result = -EOPNOTSUPP;
3534 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3535 type = nla_get_u32(info->attrs[idx]);
3537 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
3538 (type != NL80211_TX_POWER_AUTOMATIC)) {
3543 if (type != NL80211_TX_POWER_AUTOMATIC) {
3544 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3545 mbm = nla_get_u32(info->attrs[idx]);
3548 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
3553 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3554 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3557 if ((!rdev->wiphy.available_antennas_tx &&
3558 !rdev->wiphy.available_antennas_rx) ||
3559 !rdev->ops->set_antenna) {
3560 result = -EOPNOTSUPP;
3564 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3565 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3567 /* reject antenna configurations which don't match the
3568 * available antenna masks, except for the "all" mask */
3569 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3570 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3575 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3576 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3578 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3585 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3586 retry_short = nla_get_u8(
3587 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3589 changed |= WIPHY_PARAM_RETRY_SHORT;
3592 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3593 retry_long = nla_get_u8(
3594 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3596 changed |= WIPHY_PARAM_RETRY_LONG;
3599 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3600 frag_threshold = nla_get_u32(
3601 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3602 if (frag_threshold < 256) {
3607 if (frag_threshold != (u32) -1) {
3609 * Fragments (apart from the last one) are required to
3610 * have even length. Make the fragmentation code
3611 * simpler by stripping LSB should someone try to use
3612 * odd threshold value.
3614 frag_threshold &= ~0x1;
3616 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3619 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3620 rts_threshold = nla_get_u32(
3621 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3622 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3625 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3626 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3631 coverage_class = nla_get_u8(
3632 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3633 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3636 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3637 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3638 result = -EOPNOTSUPP;
3642 changed |= WIPHY_PARAM_DYN_ACK;
3645 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3646 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3647 NL80211_EXT_FEATURE_TXQS)) {
3648 result = -EOPNOTSUPP;
3651 txq_limit = nla_get_u32(
3652 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3653 changed |= WIPHY_PARAM_TXQ_LIMIT;
3656 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3657 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3658 NL80211_EXT_FEATURE_TXQS)) {
3659 result = -EOPNOTSUPP;
3662 txq_memory_limit = nla_get_u32(
3663 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3664 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3667 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3668 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3669 NL80211_EXT_FEATURE_TXQS)) {
3670 result = -EOPNOTSUPP;
3673 txq_quantum = nla_get_u32(
3674 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3675 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3679 u8 old_retry_short, old_retry_long;
3680 u32 old_frag_threshold, old_rts_threshold;
3681 u8 old_coverage_class;
3682 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3684 if (!rdev->ops->set_wiphy_params) {
3685 result = -EOPNOTSUPP;
3689 old_retry_short = rdev->wiphy.retry_short;
3690 old_retry_long = rdev->wiphy.retry_long;
3691 old_frag_threshold = rdev->wiphy.frag_threshold;
3692 old_rts_threshold = rdev->wiphy.rts_threshold;
3693 old_coverage_class = rdev->wiphy.coverage_class;
3694 old_txq_limit = rdev->wiphy.txq_limit;
3695 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3696 old_txq_quantum = rdev->wiphy.txq_quantum;
3698 if (changed & WIPHY_PARAM_RETRY_SHORT)
3699 rdev->wiphy.retry_short = retry_short;
3700 if (changed & WIPHY_PARAM_RETRY_LONG)
3701 rdev->wiphy.retry_long = retry_long;
3702 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3703 rdev->wiphy.frag_threshold = frag_threshold;
3704 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3705 rdev->wiphy.rts_threshold = rts_threshold;
3706 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3707 rdev->wiphy.coverage_class = coverage_class;
3708 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3709 rdev->wiphy.txq_limit = txq_limit;
3710 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3711 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3712 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3713 rdev->wiphy.txq_quantum = txq_quantum;
3715 result = rdev_set_wiphy_params(rdev, changed);
3717 rdev->wiphy.retry_short = old_retry_short;
3718 rdev->wiphy.retry_long = old_retry_long;
3719 rdev->wiphy.frag_threshold = old_frag_threshold;
3720 rdev->wiphy.rts_threshold = old_rts_threshold;
3721 rdev->wiphy.coverage_class = old_coverage_class;
3722 rdev->wiphy.txq_limit = old_txq_limit;
3723 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3724 rdev->wiphy.txq_quantum = old_txq_quantum;
3732 wiphy_unlock(&rdev->wiphy);
3736 static int nl80211_send_chandef(struct sk_buff *msg,
3737 const struct cfg80211_chan_def *chandef)
3739 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3742 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3743 chandef->chan->center_freq))
3745 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3746 chandef->chan->freq_offset))
3748 switch (chandef->width) {
3749 case NL80211_CHAN_WIDTH_20_NOHT:
3750 case NL80211_CHAN_WIDTH_20:
3751 case NL80211_CHAN_WIDTH_40:
3752 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3753 cfg80211_get_chandef_type(chandef)))
3759 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3761 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3763 if (chandef->center_freq2 &&
3764 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3769 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3770 struct cfg80211_registered_device *rdev,
3771 struct wireless_dev *wdev,
3772 enum nl80211_commands cmd)
3774 struct net_device *dev = wdev->netdev;
3777 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3778 cmd != NL80211_CMD_DEL_INTERFACE &&
3779 cmd != NL80211_CMD_SET_INTERFACE);
3781 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3786 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3787 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3788 goto nla_put_failure;
3790 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3791 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3792 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3793 NL80211_ATTR_PAD) ||
3794 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3795 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3796 rdev->devlist_generation ^
3797 (cfg80211_rdev_list_generation << 2)) ||
3798 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3799 goto nla_put_failure;
3801 if (rdev->ops->get_channel && !wdev->valid_links) {
3802 struct cfg80211_chan_def chandef = {};
3805 ret = rdev_get_channel(rdev, wdev, 0, &chandef);
3806 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3807 goto nla_put_failure;
3810 if (rdev->ops->get_tx_power) {
3813 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3815 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3817 goto nla_put_failure;
3821 switch (wdev->iftype) {
3822 case NL80211_IFTYPE_AP:
3823 case NL80211_IFTYPE_P2P_GO:
3824 if (wdev->u.ap.ssid_len &&
3825 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
3827 goto nla_put_failure_locked;
3829 case NL80211_IFTYPE_STATION:
3830 case NL80211_IFTYPE_P2P_CLIENT:
3831 if (wdev->u.client.ssid_len &&
3832 nla_put(msg, NL80211_ATTR_SSID, wdev->u.client.ssid_len,
3833 wdev->u.client.ssid))
3834 goto nla_put_failure_locked;
3836 case NL80211_IFTYPE_ADHOC:
3837 if (wdev->u.ibss.ssid_len &&
3838 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ibss.ssid_len,
3840 goto nla_put_failure_locked;
3848 if (rdev->ops->get_txq_stats) {
3849 struct cfg80211_txq_stats txqstats = {};
3850 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3853 !nl80211_put_txq_stats(msg, &txqstats,
3854 NL80211_ATTR_TXQ_STATS))
3855 goto nla_put_failure;
3858 if (wdev->valid_links) {
3859 unsigned int link_id;
3860 struct nlattr *links = nla_nest_start(msg,
3861 NL80211_ATTR_MLO_LINKS);
3864 goto nla_put_failure;
3866 for_each_valid_link(wdev, link_id) {
3867 struct nlattr *link = nla_nest_start(msg, link_id + 1);
3868 struct cfg80211_chan_def chandef = {};
3871 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
3872 goto nla_put_failure;
3873 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
3874 wdev->links[link_id].addr))
3875 goto nla_put_failure;
3877 ret = rdev_get_channel(rdev, wdev, link_id, &chandef);
3878 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3879 goto nla_put_failure;
3881 nla_nest_end(msg, link);
3884 nla_nest_end(msg, links);
3887 genlmsg_end(msg, hdr);
3890 nla_put_failure_locked:
3893 genlmsg_cancel(msg, hdr);
3897 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3901 int wp_start = cb->args[0];
3902 int if_start = cb->args[1];
3903 int filter_wiphy = -1;
3904 struct cfg80211_registered_device *rdev;
3905 struct wireless_dev *wdev;
3910 struct nl80211_dump_wiphy_state state = {
3914 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3918 filter_wiphy = state.filter_wiphy;
3921 * if filtering, set cb->args[2] to +1 since 0 is the default
3922 * value needed to determine that parsing is necessary.
3924 if (filter_wiphy >= 0)
3925 cb->args[2] = filter_wiphy + 1;
3928 } else if (cb->args[2] > 0) {
3929 filter_wiphy = cb->args[2] - 1;
3932 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3933 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3935 if (wp_idx < wp_start) {
3940 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3945 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3946 if (if_idx < if_start) {
3950 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3951 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3953 NL80211_CMD_NEW_INTERFACE) < 0) {
3962 cb->args[0] = wp_idx;
3963 cb->args[1] = if_idx;
3972 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3974 struct sk_buff *msg;
3975 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3976 struct wireless_dev *wdev = info->user_ptr[1];
3978 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3982 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3983 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3988 return genlmsg_reply(msg, info);
3991 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3992 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3993 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3994 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3995 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3996 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3997 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
4000 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
4002 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
4010 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
4013 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
4015 *mntrflags |= (1<<flag);
4017 *mntrflags |= MONITOR_FLAG_CHANGED;
4022 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
4023 enum nl80211_iftype type,
4024 struct genl_info *info,
4025 struct vif_params *params)
4027 bool change = false;
4030 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
4031 if (type != NL80211_IFTYPE_MONITOR)
4034 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
4042 if (params->flags & MONITOR_FLAG_ACTIVE &&
4043 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
4046 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
4047 const u8 *mumimo_groups;
4048 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4050 if (type != NL80211_IFTYPE_MONITOR)
4053 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4057 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
4059 /* bits 0 and 63 are reserved and must be zero */
4060 if ((mumimo_groups[0] & BIT(0)) ||
4061 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
4064 params->vht_mumimo_groups = mumimo_groups;
4068 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
4069 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4071 if (type != NL80211_IFTYPE_MONITOR)
4074 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4077 params->vht_mumimo_follow_addr =
4078 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
4082 return change ? 1 : 0;
4085 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
4086 struct net_device *netdev, u8 use_4addr,
4087 enum nl80211_iftype iftype)
4090 if (netdev && netif_is_bridge_port(netdev))
4096 case NL80211_IFTYPE_AP_VLAN:
4097 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
4100 case NL80211_IFTYPE_STATION:
4101 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
4111 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
4113 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4114 struct vif_params params;
4116 enum nl80211_iftype otype, ntype;
4117 struct net_device *dev = info->user_ptr[1];
4118 bool change = false;
4120 memset(¶ms, 0, sizeof(params));
4122 otype = ntype = dev->ieee80211_ptr->iftype;
4124 if (info->attrs[NL80211_ATTR_IFTYPE]) {
4125 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
4130 if (info->attrs[NL80211_ATTR_MESH_ID]) {
4131 struct wireless_dev *wdev = dev->ieee80211_ptr;
4133 if (ntype != NL80211_IFTYPE_MESH_POINT)
4135 if (netif_running(dev))
4139 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4140 IEEE80211_MAX_MESH_ID_LEN);
4141 wdev->u.mesh.id_up_len =
4142 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4143 memcpy(wdev->u.mesh.id,
4144 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4145 wdev->u.mesh.id_up_len);
4149 if (info->attrs[NL80211_ATTR_4ADDR]) {
4150 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4152 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
4156 params.use_4addr = -1;
4159 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
4166 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
4170 if (!err && params.use_4addr != -1)
4171 dev->ieee80211_ptr->use_4addr = params.use_4addr;
4173 if (change && !err) {
4174 struct wireless_dev *wdev = dev->ieee80211_ptr;
4176 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
4182 static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4184 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4185 struct vif_params params;
4186 struct wireless_dev *wdev;
4187 struct sk_buff *msg;
4189 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
4191 memset(¶ms, 0, sizeof(params));
4193 if (!info->attrs[NL80211_ATTR_IFNAME])
4196 if (info->attrs[NL80211_ATTR_IFTYPE])
4197 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
4199 if (!rdev->ops->add_virtual_intf)
4202 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
4203 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
4204 info->attrs[NL80211_ATTR_MAC]) {
4205 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
4207 if (!is_valid_ether_addr(params.macaddr))
4208 return -EADDRNOTAVAIL;
4211 if (info->attrs[NL80211_ATTR_4ADDR]) {
4212 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4213 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
4218 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
4221 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
4225 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4229 wdev = rdev_add_virtual_intf(rdev,
4230 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
4231 NET_NAME_USER, type, ¶ms);
4232 if (WARN_ON(!wdev)) {
4235 } else if (IS_ERR(wdev)) {
4237 return PTR_ERR(wdev);
4240 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4241 wdev->owner_nlportid = info->snd_portid;
4244 case NL80211_IFTYPE_MESH_POINT:
4245 if (!info->attrs[NL80211_ATTR_MESH_ID])
4248 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4249 IEEE80211_MAX_MESH_ID_LEN);
4250 wdev->u.mesh.id_up_len =
4251 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4252 memcpy(wdev->u.mesh.id,
4253 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4254 wdev->u.mesh.id_up_len);
4257 case NL80211_IFTYPE_NAN:
4258 case NL80211_IFTYPE_P2P_DEVICE:
4260 * P2P Device and NAN do not have a netdev, so don't go
4261 * through the netdev notifier and must be added here
4263 cfg80211_init_wdev(wdev);
4264 cfg80211_register_wdev(rdev, wdev);
4270 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4271 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4276 return genlmsg_reply(msg, info);
4279 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4281 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4284 /* to avoid failing a new interface creation due to pending removal */
4285 cfg80211_destroy_ifaces(rdev);
4287 wiphy_lock(&rdev->wiphy);
4288 ret = _nl80211_new_interface(skb, info);
4289 wiphy_unlock(&rdev->wiphy);
4294 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4296 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4297 struct wireless_dev *wdev = info->user_ptr[1];
4299 if (!rdev->ops->del_virtual_intf)
4303 * We hold RTNL, so this is safe, without RTNL opencount cannot
4304 * reach 0, and thus the rdev cannot be deleted.
4306 * We need to do it for the dev_close(), since that will call
4307 * the netdev notifiers, and we need to acquire the mutex there
4308 * but don't know if we get there from here or from some other
4309 * place (e.g. "ip link set ... down").
4311 mutex_unlock(&rdev->wiphy.mtx);
4314 * If we remove a wireless device without a netdev then clear
4315 * user_ptr[1] so that nl80211_post_doit won't dereference it
4316 * to check if it needs to do dev_put(). Otherwise it crashes
4317 * since the wdev has been freed, unlike with a netdev where
4318 * we need the dev_put() for the netdev to really be freed.
4321 info->user_ptr[1] = NULL;
4323 dev_close(wdev->netdev);
4325 mutex_lock(&rdev->wiphy.mtx);
4327 return cfg80211_remove_virtual_intf(rdev, wdev);
4330 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4332 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4333 struct net_device *dev = info->user_ptr[1];
4336 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4339 if (!rdev->ops->set_noack_map)
4342 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4344 return rdev_set_noack_map(rdev, dev, noack_map);
4347 static int nl80211_validate_key_link_id(struct genl_info *info,
4348 struct wireless_dev *wdev,
4349 int link_id, bool pairwise)
4352 if (link_id != -1) {
4353 GENL_SET_ERR_MSG(info,
4354 "link ID not allowed for pairwise key");
4361 if (wdev->valid_links) {
4362 if (link_id == -1) {
4363 GENL_SET_ERR_MSG(info,
4364 "link ID must for MLO group key");
4367 if (!(wdev->valid_links & BIT(link_id))) {
4368 GENL_SET_ERR_MSG(info, "invalid link ID for MLO group key");
4371 } else if (link_id != -1) {
4372 GENL_SET_ERR_MSG(info, "link ID not allowed for non-MLO group key");
4379 struct get_key_cookie {
4380 struct sk_buff *msg;
4385 static void get_key_callback(void *c, struct key_params *params)
4388 struct get_key_cookie *cookie = c;
4391 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4392 params->key_len, params->key)) ||
4394 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4395 params->seq_len, params->seq)) ||
4397 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4399 goto nla_put_failure;
4401 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
4403 goto nla_put_failure;
4406 nla_put(cookie->msg, NL80211_KEY_DATA,
4407 params->key_len, params->key)) ||
4409 nla_put(cookie->msg, NL80211_KEY_SEQ,
4410 params->seq_len, params->seq)) ||
4412 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4414 goto nla_put_failure;
4416 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
4417 goto nla_put_failure;
4419 nla_nest_end(cookie->msg, key);
4426 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4428 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4430 struct net_device *dev = info->user_ptr[1];
4432 const u8 *mac_addr = NULL;
4434 struct get_key_cookie cookie = {
4438 struct sk_buff *msg;
4439 bool bigtk_support = false;
4440 int link_id = nl80211_link_id_or_invalid(info->attrs);
4441 struct wireless_dev *wdev = dev->ieee80211_ptr;
4443 if (wiphy_ext_feature_isset(&rdev->wiphy,
4444 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4445 bigtk_support = true;
4447 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
4448 wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4449 wiphy_ext_feature_isset(&rdev->wiphy,
4450 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4451 bigtk_support = true;
4453 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4454 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4456 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4457 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4462 if (info->attrs[NL80211_ATTR_MAC])
4463 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4465 pairwise = !!mac_addr;
4466 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4467 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4469 if (kt != NL80211_KEYTYPE_GROUP &&
4470 kt != NL80211_KEYTYPE_PAIRWISE)
4472 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4475 if (!rdev->ops->get_key)
4478 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4481 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4485 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4486 NL80211_CMD_NEW_KEY);
4488 goto nla_put_failure;
4491 cookie.idx = key_idx;
4493 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4494 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4495 goto nla_put_failure;
4497 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4498 goto nla_put_failure;
4500 err = nl80211_validate_key_link_id(info, wdev, link_id, pairwise);
4504 err = rdev_get_key(rdev, dev, link_id, key_idx, pairwise, mac_addr,
4505 &cookie, get_key_callback);
4511 goto nla_put_failure;
4513 genlmsg_end(msg, hdr);
4514 return genlmsg_reply(msg, info);
4523 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4525 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4526 struct key_parse key;
4528 struct net_device *dev = info->user_ptr[1];
4529 int link_id = nl80211_link_id_or_invalid(info->attrs);
4530 struct wireless_dev *wdev = dev->ieee80211_ptr;
4532 err = nl80211_parse_key(info, &key);
4539 /* Only support setting default key and
4540 * Extended Key ID action NL80211_KEY_SET_TX.
4542 if (!key.def && !key.defmgmt && !key.defbeacon &&
4543 !(key.p.mode == NL80211_KEY_SET_TX))
4549 if (!rdev->ops->set_default_key) {
4554 err = nl80211_key_allowed(wdev);
4558 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4562 err = rdev_set_default_key(rdev, dev, link_id, key.idx,
4563 key.def_uni, key.def_multi);
4568 #ifdef CONFIG_CFG80211_WEXT
4569 wdev->wext.default_key = key.idx;
4571 } else if (key.defmgmt) {
4572 if (key.def_uni || !key.def_multi) {
4577 if (!rdev->ops->set_default_mgmt_key) {
4582 err = nl80211_key_allowed(wdev);
4586 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4590 err = rdev_set_default_mgmt_key(rdev, dev, link_id, key.idx);
4594 #ifdef CONFIG_CFG80211_WEXT
4595 wdev->wext.default_mgmt_key = key.idx;
4597 } else if (key.defbeacon) {
4598 if (key.def_uni || !key.def_multi) {
4603 if (!rdev->ops->set_default_beacon_key) {
4608 err = nl80211_key_allowed(wdev);
4612 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4616 err = rdev_set_default_beacon_key(rdev, dev, link_id, key.idx);
4619 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4620 wiphy_ext_feature_isset(&rdev->wiphy,
4621 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4622 u8 *mac_addr = NULL;
4624 if (info->attrs[NL80211_ATTR_MAC])
4625 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4627 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4632 err = nl80211_validate_key_link_id(info, wdev, link_id, true);
4636 err = rdev_add_key(rdev, dev, link_id, key.idx,
4637 NL80211_KEYTYPE_PAIRWISE,
4648 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4650 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4652 struct net_device *dev = info->user_ptr[1];
4653 struct key_parse key;
4654 const u8 *mac_addr = NULL;
4655 int link_id = nl80211_link_id_or_invalid(info->attrs);
4656 struct wireless_dev *wdev = dev->ieee80211_ptr;
4658 err = nl80211_parse_key(info, &key);
4663 GENL_SET_ERR_MSG(info, "no key");
4667 if (info->attrs[NL80211_ATTR_MAC])
4668 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4670 if (key.type == -1) {
4672 key.type = NL80211_KEYTYPE_PAIRWISE;
4674 key.type = NL80211_KEYTYPE_GROUP;
4678 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4679 key.type != NL80211_KEYTYPE_GROUP) {
4680 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4684 if (key.type == NL80211_KEYTYPE_GROUP &&
4685 info->attrs[NL80211_ATTR_VLAN_ID])
4686 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4688 if (!rdev->ops->add_key)
4691 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4692 key.type == NL80211_KEYTYPE_PAIRWISE,
4694 GENL_SET_ERR_MSG(info, "key setting validation failed");
4699 err = nl80211_key_allowed(wdev);
4701 GENL_SET_ERR_MSG(info, "key not allowed");
4704 err = nl80211_validate_key_link_id(info, wdev, link_id,
4705 key.type == NL80211_KEYTYPE_PAIRWISE);
4708 err = rdev_add_key(rdev, dev, link_id, key.idx,
4709 key.type == NL80211_KEYTYPE_PAIRWISE,
4712 GENL_SET_ERR_MSG(info, "key addition failed");
4719 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4721 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4723 struct net_device *dev = info->user_ptr[1];
4724 u8 *mac_addr = NULL;
4725 struct key_parse key;
4726 int link_id = nl80211_link_id_or_invalid(info->attrs);
4727 struct wireless_dev *wdev = dev->ieee80211_ptr;
4729 err = nl80211_parse_key(info, &key);
4733 if (info->attrs[NL80211_ATTR_MAC])
4734 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4736 if (key.type == -1) {
4738 key.type = NL80211_KEYTYPE_PAIRWISE;
4740 key.type = NL80211_KEYTYPE_GROUP;
4744 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4745 key.type != NL80211_KEYTYPE_GROUP)
4748 if (!cfg80211_valid_key_idx(rdev, key.idx,
4749 key.type == NL80211_KEYTYPE_PAIRWISE))
4752 if (!rdev->ops->del_key)
4756 err = nl80211_key_allowed(wdev);
4758 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4759 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4763 err = nl80211_validate_key_link_id(info, wdev, link_id,
4764 key.type == NL80211_KEYTYPE_PAIRWISE);
4767 err = rdev_del_key(rdev, dev, link_id, key.idx,
4768 key.type == NL80211_KEYTYPE_PAIRWISE,
4771 #ifdef CONFIG_CFG80211_WEXT
4773 if (key.idx == wdev->wext.default_key)
4774 wdev->wext.default_key = -1;
4775 else if (key.idx == wdev->wext.default_mgmt_key)
4776 wdev->wext.default_mgmt_key = -1;
4784 /* This function returns an error or the number of nested attributes */
4785 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4787 struct nlattr *attr;
4788 int n_entries = 0, tmp;
4790 nla_for_each_nested(attr, nl_attr, tmp) {
4791 if (nla_len(attr) != ETH_ALEN)
4801 * This function parses ACL information and allocates memory for ACL data.
4802 * On successful return, the calling function is responsible to free the
4803 * ACL buffer returned by this function.
4805 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4806 struct genl_info *info)
4808 enum nl80211_acl_policy acl_policy;
4809 struct nlattr *attr;
4810 struct cfg80211_acl_data *acl;
4811 int i = 0, n_entries, tmp;
4813 if (!wiphy->max_acl_mac_addrs)
4814 return ERR_PTR(-EOPNOTSUPP);
4816 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4817 return ERR_PTR(-EINVAL);
4819 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4820 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4821 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4822 return ERR_PTR(-EINVAL);
4824 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4825 return ERR_PTR(-EINVAL);
4827 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4829 return ERR_PTR(n_entries);
4831 if (n_entries > wiphy->max_acl_mac_addrs)
4832 return ERR_PTR(-ENOTSUPP);
4834 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4836 return ERR_PTR(-ENOMEM);
4838 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4839 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4843 acl->n_acl_entries = n_entries;
4844 acl->acl_policy = acl_policy;
4849 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4851 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4852 struct net_device *dev = info->user_ptr[1];
4853 struct cfg80211_acl_data *acl;
4856 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4857 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4860 if (!dev->ieee80211_ptr->links[0].ap.beacon_interval)
4863 acl = parse_acl_data(&rdev->wiphy, info);
4865 return PTR_ERR(acl);
4867 err = rdev_set_mac_acl(rdev, dev, acl);
4874 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4875 u8 *rates, u8 rates_len)
4880 for (i = 0; i < rates_len; i++) {
4881 int rate = (rates[i] & 0x7f) * 5;
4884 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4885 struct ieee80211_rate *srate =
4886 &sband->bitrates[ridx];
4887 if (rate == srate->bitrate) {
4892 if (ridx == sband->n_bitrates)
4893 return 0; /* rate not found */
4899 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4900 u8 *rates, u8 rates_len,
4901 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4905 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4907 for (i = 0; i < rates_len; i++) {
4910 ridx = rates[i] / 8;
4911 rbit = BIT(rates[i] % 8);
4913 /* check validity */
4914 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4917 /* check availability */
4918 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4919 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4928 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4932 switch (vht_mcs_map) {
4933 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4935 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4938 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4941 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4951 static void vht_build_mcs_mask(u16 vht_mcs_map,
4952 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4956 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4957 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4962 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4963 struct nl80211_txrate_vht *txrate,
4964 u16 mcs[NL80211_VHT_NSS_MAX])
4966 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4967 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4970 if (!sband->vht_cap.vht_supported)
4973 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4975 /* Build vht_mcs_mask from VHT capabilities */
4976 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4978 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4979 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4980 mcs[i] = txrate->mcs[i];
4988 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
4990 switch (he_mcs_map) {
4991 case IEEE80211_HE_MCS_NOT_SUPPORTED:
4993 case IEEE80211_HE_MCS_SUPPORT_0_7:
4995 case IEEE80211_HE_MCS_SUPPORT_0_9:
4997 case IEEE80211_HE_MCS_SUPPORT_0_11:
5005 static void he_build_mcs_mask(u16 he_mcs_map,
5006 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
5010 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
5011 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
5016 static u16 he_get_txmcsmap(struct genl_info *info, unsigned int link_id,
5017 const struct ieee80211_sta_he_cap *he_cap)
5019 struct net_device *dev = info->user_ptr[1];
5020 struct wireless_dev *wdev = dev->ieee80211_ptr;
5021 struct cfg80211_chan_def *chandef;
5024 chandef = wdev_chandef(wdev, link_id);
5027 * This is probably broken, but we never maintained
5028 * a chandef in these cases, so it always was.
5030 return le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);
5033 switch (chandef->width) {
5034 case NL80211_CHAN_WIDTH_80P80:
5035 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
5037 case NL80211_CHAN_WIDTH_160:
5038 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
5041 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
5045 return le16_to_cpu(tx_mcs);
5048 static bool he_set_mcs_mask(struct genl_info *info,
5049 struct wireless_dev *wdev,
5050 struct ieee80211_supported_band *sband,
5051 struct nl80211_txrate_he *txrate,
5052 u16 mcs[NL80211_HE_NSS_MAX],
5053 unsigned int link_id)
5055 const struct ieee80211_sta_he_cap *he_cap;
5056 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
5060 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5064 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
5066 tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
5068 /* Build he_mcs_mask from HE capabilities */
5069 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5071 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5072 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5073 mcs[i] = txrate->mcs[i];
5081 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
5082 struct nlattr *attrs[],
5083 enum nl80211_attrs attr,
5084 struct cfg80211_bitrate_mask *mask,
5085 struct net_device *dev,
5086 bool default_all_enabled,
5087 unsigned int link_id)
5089 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
5090 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5091 struct wireless_dev *wdev = dev->ieee80211_ptr;
5093 struct nlattr *tx_rates;
5094 struct ieee80211_supported_band *sband;
5095 u16 vht_tx_mcs_map, he_tx_mcs_map;
5097 memset(mask, 0, sizeof(*mask));
5098 /* Default to all rates enabled */
5099 for (i = 0; i < NUM_NL80211_BANDS; i++) {
5100 const struct ieee80211_sta_he_cap *he_cap;
5102 if (!default_all_enabled)
5105 sband = rdev->wiphy.bands[i];
5110 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
5111 memcpy(mask->control[i].ht_mcs,
5112 sband->ht_cap.mcs.rx_mask,
5113 sizeof(mask->control[i].ht_mcs));
5115 if (sband->vht_cap.vht_supported) {
5116 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5117 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
5120 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5124 he_tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
5125 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
5127 mask->control[i].he_gi = 0xFF;
5128 mask->control[i].he_ltf = 0xFF;
5131 /* if no rates are given set it back to the defaults */
5135 /* The nested attribute uses enum nl80211_band as the index. This maps
5136 * directly to the enum nl80211_band values used in cfg80211.
5138 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
5139 nla_for_each_nested(tx_rates, attrs[attr], rem) {
5140 enum nl80211_band band = nla_type(tx_rates);
5143 if (band < 0 || band >= NUM_NL80211_BANDS)
5145 sband = rdev->wiphy.bands[band];
5148 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
5150 nl80211_txattr_policy,
5154 if (tb[NL80211_TXRATE_LEGACY]) {
5155 mask->control[band].legacy = rateset_to_mask(
5157 nla_data(tb[NL80211_TXRATE_LEGACY]),
5158 nla_len(tb[NL80211_TXRATE_LEGACY]));
5159 if ((mask->control[band].legacy == 0) &&
5160 nla_len(tb[NL80211_TXRATE_LEGACY]))
5163 if (tb[NL80211_TXRATE_HT]) {
5164 if (!ht_rateset_to_mask(
5166 nla_data(tb[NL80211_TXRATE_HT]),
5167 nla_len(tb[NL80211_TXRATE_HT]),
5168 mask->control[band].ht_mcs))
5172 if (tb[NL80211_TXRATE_VHT]) {
5173 if (!vht_set_mcs_mask(
5175 nla_data(tb[NL80211_TXRATE_VHT]),
5176 mask->control[band].vht_mcs))
5180 if (tb[NL80211_TXRATE_GI]) {
5181 mask->control[band].gi =
5182 nla_get_u8(tb[NL80211_TXRATE_GI]);
5183 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
5186 if (tb[NL80211_TXRATE_HE] &&
5187 !he_set_mcs_mask(info, wdev, sband,
5188 nla_data(tb[NL80211_TXRATE_HE]),
5189 mask->control[band].he_mcs,
5193 if (tb[NL80211_TXRATE_HE_GI])
5194 mask->control[band].he_gi =
5195 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
5196 if (tb[NL80211_TXRATE_HE_LTF])
5197 mask->control[band].he_ltf =
5198 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
5200 if (mask->control[band].legacy == 0) {
5201 /* don't allow empty legacy rates if HT, VHT or HE
5202 * are not even supported.
5204 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
5205 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
5206 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
5209 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
5210 if (mask->control[band].ht_mcs[i])
5213 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
5214 if (mask->control[band].vht_mcs[i])
5217 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
5218 if (mask->control[band].he_mcs[i])
5221 /* legacy and mcs rates may not be both empty */
5230 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
5231 enum nl80211_band band,
5232 struct cfg80211_bitrate_mask *beacon_rate)
5234 u32 count_ht, count_vht, count_he, i;
5235 u32 rate = beacon_rate->control[band].legacy;
5237 /* Allow only one rate */
5238 if (hweight32(rate) > 1)
5242 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
5243 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
5245 } else if (beacon_rate->control[band].ht_mcs[i]) {
5250 if (count_ht && rate)
5255 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5256 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
5258 } else if (beacon_rate->control[band].vht_mcs[i]) {
5263 if (count_vht && rate)
5268 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5269 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
5271 } else if (beacon_rate->control[band].he_mcs[i]) {
5276 if (count_he && rate)
5280 if ((count_ht && count_vht && count_he) ||
5281 (!rate && !count_ht && !count_vht && !count_he))
5285 !wiphy_ext_feature_isset(&rdev->wiphy,
5286 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
5289 !wiphy_ext_feature_isset(&rdev->wiphy,
5290 NL80211_EXT_FEATURE_BEACON_RATE_HT))
5293 !wiphy_ext_feature_isset(&rdev->wiphy,
5294 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
5297 !wiphy_ext_feature_isset(&rdev->wiphy,
5298 NL80211_EXT_FEATURE_BEACON_RATE_HE))
5304 static int nl80211_parse_mbssid_config(struct wiphy *wiphy,
5305 struct net_device *dev,
5306 struct nlattr *attrs,
5307 struct cfg80211_mbssid_config *config,
5310 struct nlattr *tb[NL80211_MBSSID_CONFIG_ATTR_MAX + 1];
5312 if (!wiphy->mbssid_max_interfaces)
5315 if (nla_parse_nested(tb, NL80211_MBSSID_CONFIG_ATTR_MAX, attrs, NULL,
5317 !tb[NL80211_MBSSID_CONFIG_ATTR_INDEX])
5320 config->ema = nla_get_flag(tb[NL80211_MBSSID_CONFIG_ATTR_EMA]);
5322 if (!wiphy->ema_max_profile_periodicity)
5325 if (num_elems > wiphy->ema_max_profile_periodicity)
5329 config->index = nla_get_u8(tb[NL80211_MBSSID_CONFIG_ATTR_INDEX]);
5330 if (config->index >= wiphy->mbssid_max_interfaces ||
5331 (!config->index && !num_elems))
5334 if (tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]) {
5336 nla_get_u32(tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]);
5338 if ((!config->index && tx_ifindex != dev->ifindex) ||
5339 (config->index && tx_ifindex == dev->ifindex))
5342 if (tx_ifindex != dev->ifindex) {
5343 struct net_device *tx_netdev =
5344 dev_get_by_index(wiphy_net(wiphy), tx_ifindex);
5346 if (!tx_netdev || !tx_netdev->ieee80211_ptr ||
5347 tx_netdev->ieee80211_ptr->wiphy != wiphy ||
5348 tx_netdev->ieee80211_ptr->iftype !=
5349 NL80211_IFTYPE_AP) {
5354 config->tx_wdev = tx_netdev->ieee80211_ptr;
5356 config->tx_wdev = dev->ieee80211_ptr;
5358 } else if (!config->index) {
5359 config->tx_wdev = dev->ieee80211_ptr;
5367 static struct cfg80211_mbssid_elems *
5368 nl80211_parse_mbssid_elems(struct wiphy *wiphy, struct nlattr *attrs)
5370 struct nlattr *nl_elems;
5371 struct cfg80211_mbssid_elems *elems;
5373 u8 i = 0, num_elems = 0;
5375 if (!wiphy->mbssid_max_interfaces)
5376 return ERR_PTR(-EINVAL);
5378 nla_for_each_nested(nl_elems, attrs, rem_elems)
5381 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5383 return ERR_PTR(-ENOMEM);
5385 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5386 elems->elem[i].data = nla_data(nl_elems);
5387 elems->elem[i].len = nla_len(nl_elems);
5390 elems->cnt = num_elems;
5394 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5395 struct cfg80211_he_bss_color *he_bss_color)
5397 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5400 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5401 he_bss_color_policy, NULL);
5405 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5408 he_bss_color->color =
5409 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5410 he_bss_color->enabled =
5411 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5412 he_bss_color->partial =
5413 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5418 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
5419 struct nlattr *attrs[],
5420 struct cfg80211_beacon_data *bcn)
5422 bool haveinfo = false;
5425 memset(bcn, 0, sizeof(*bcn));
5427 bcn->link_id = nl80211_link_id(attrs);
5429 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
5430 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
5431 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
5437 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
5438 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
5439 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
5446 if (attrs[NL80211_ATTR_IE]) {
5447 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
5448 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
5451 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
5452 bcn->proberesp_ies =
5453 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5454 bcn->proberesp_ies_len =
5455 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5458 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
5459 bcn->assocresp_ies =
5460 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5461 bcn->assocresp_ies_len =
5462 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5465 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5466 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5467 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
5470 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5471 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5473 err = nla_parse_nested_deprecated(tb,
5474 NL80211_FTM_RESP_ATTR_MAX,
5475 attrs[NL80211_ATTR_FTM_RESPONDER],
5480 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5481 wiphy_ext_feature_isset(&rdev->wiphy,
5482 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5483 bcn->ftm_responder = 1;
5487 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5488 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5489 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5492 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5493 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5494 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5497 bcn->ftm_responder = -1;
5500 if (attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5501 err = nl80211_parse_he_bss_color(attrs[NL80211_ATTR_HE_BSS_COLOR],
5502 &bcn->he_bss_color);
5505 bcn->he_bss_color_valid = true;
5508 if (attrs[NL80211_ATTR_MBSSID_ELEMS]) {
5509 struct cfg80211_mbssid_elems *mbssid =
5510 nl80211_parse_mbssid_elems(&rdev->wiphy,
5511 attrs[NL80211_ATTR_MBSSID_ELEMS]);
5514 return PTR_ERR(mbssid);
5516 bcn->mbssid_ies = mbssid;
5522 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5523 struct ieee80211_he_obss_pd *he_obss_pd)
5525 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5528 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5529 he_obss_pd_policy, NULL);
5533 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5536 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5538 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5539 he_obss_pd->min_offset =
5540 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5541 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5542 he_obss_pd->max_offset =
5543 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
5544 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5545 he_obss_pd->non_srg_max_offset =
5546 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
5548 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
5551 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5552 memcpy(he_obss_pd->bss_color_bitmap,
5553 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5554 sizeof(he_obss_pd->bss_color_bitmap));
5556 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5557 memcpy(he_obss_pd->partial_bssid_bitmap,
5558 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5559 sizeof(he_obss_pd->partial_bssid_bitmap));
5561 he_obss_pd->enable = true;
5566 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5567 struct nlattr *attrs,
5568 struct cfg80211_ap_settings *params)
5570 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5572 struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery;
5574 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5575 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5578 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5583 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5584 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5585 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5588 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5589 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5590 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5591 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5597 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5598 struct nlattr *attrs,
5599 struct cfg80211_ap_settings *params)
5601 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5603 struct cfg80211_unsol_bcast_probe_resp *presp =
5604 ¶ms->unsol_bcast_probe_resp;
5606 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5607 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5610 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5615 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5616 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5619 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5620 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5621 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5625 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5626 const struct element *rates)
5633 for (i = 0; i < rates->datalen; i++) {
5634 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5635 params->ht_required = true;
5636 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5637 params->vht_required = true;
5638 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5639 params->he_required = true;
5640 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5641 params->sae_h2e_required = true;
5646 * Since the nl80211 API didn't include, from the beginning, attributes about
5647 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5648 * benefit of drivers that rebuild IEs in the firmware.
5650 static int nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5652 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5653 size_t ies_len = bcn->tail_len;
5654 const u8 *ies = bcn->tail;
5655 const struct element *rates;
5656 const struct element *cap;
5658 rates = cfg80211_find_elem(WLAN_EID_SUPP_RATES, ies, ies_len);
5659 nl80211_check_ap_rate_selectors(params, rates);
5661 rates = cfg80211_find_elem(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5662 nl80211_check_ap_rate_selectors(params, rates);
5664 cap = cfg80211_find_elem(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5665 if (cap && cap->datalen >= sizeof(*params->ht_cap))
5666 params->ht_cap = (void *)cap->data;
5667 cap = cfg80211_find_elem(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5668 if (cap && cap->datalen >= sizeof(*params->vht_cap))
5669 params->vht_cap = (void *)cap->data;
5670 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5671 if (cap && cap->datalen >= sizeof(*params->he_cap) + 1)
5672 params->he_cap = (void *)(cap->data + 1);
5673 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5674 if (cap && cap->datalen >= sizeof(*params->he_oper) + 1)
5675 params->he_oper = (void *)(cap->data + 1);
5676 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_CAPABILITY, ies, ies_len);
5680 params->eht_cap = (void *)(cap->data + 1);
5681 if (!ieee80211_eht_capa_size_ok((const u8 *)params->he_cap,
5682 (const u8 *)params->eht_cap,
5683 cap->datalen - 1, true))
5686 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_OPERATION, ies, ies_len);
5690 params->eht_oper = (void *)(cap->data + 1);
5691 if (!ieee80211_eht_oper_size_ok((const u8 *)params->eht_oper,
5698 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5699 struct cfg80211_ap_settings *params)
5701 struct wireless_dev *wdev;
5703 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5704 if (wdev->iftype != NL80211_IFTYPE_AP &&
5705 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5708 if (!wdev->u.ap.preset_chandef.chan)
5711 params->chandef = wdev->u.ap.preset_chandef;
5718 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5719 enum nl80211_auth_type auth_type,
5720 enum nl80211_commands cmd)
5722 if (auth_type > NL80211_AUTHTYPE_MAX)
5726 case NL80211_CMD_AUTHENTICATE:
5727 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5728 auth_type == NL80211_AUTHTYPE_SAE)
5730 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5731 NL80211_EXT_FEATURE_FILS_STA) &&
5732 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5733 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5734 auth_type == NL80211_AUTHTYPE_FILS_PK))
5737 case NL80211_CMD_CONNECT:
5738 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5739 !wiphy_ext_feature_isset(&rdev->wiphy,
5740 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5741 auth_type == NL80211_AUTHTYPE_SAE)
5744 /* FILS with SK PFS or PK not supported yet */
5745 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5746 auth_type == NL80211_AUTHTYPE_FILS_PK)
5748 if (!wiphy_ext_feature_isset(
5750 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5751 auth_type == NL80211_AUTHTYPE_FILS_SK)
5754 case NL80211_CMD_START_AP:
5755 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5756 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5757 auth_type == NL80211_AUTHTYPE_SAE)
5759 /* FILS not supported yet */
5760 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5761 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5762 auth_type == NL80211_AUTHTYPE_FILS_PK)
5770 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5772 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5773 unsigned int link_id = nl80211_link_id(info->attrs);
5774 struct net_device *dev = info->user_ptr[1];
5775 struct wireless_dev *wdev = dev->ieee80211_ptr;
5776 struct cfg80211_ap_settings *params;
5779 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5780 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5783 if (!rdev->ops->start_ap)
5786 if (wdev->links[link_id].ap.beacon_interval)
5789 /* these are required for START_AP */
5790 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5791 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5792 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5795 params = kzalloc(sizeof(*params), GFP_KERNEL);
5799 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms->beacon);
5803 params->beacon_interval =
5804 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5805 params->dtim_period =
5806 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5808 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5809 params->beacon_interval);
5814 * In theory, some of these attributes should be required here
5815 * but since they were not used when the command was originally
5816 * added, keep them optional for old user space programs to let
5817 * them continue to work with drivers that do not need the
5818 * additional information -- drivers must check!
5820 if (info->attrs[NL80211_ATTR_SSID]) {
5821 params->ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5823 nla_len(info->attrs[NL80211_ATTR_SSID]);
5824 if (params->ssid_len == 0) {
5829 if (wdev->u.ap.ssid_len &&
5830 (wdev->u.ap.ssid_len != params->ssid_len ||
5831 memcmp(wdev->u.ap.ssid, params->ssid, params->ssid_len))) {
5832 /* require identical SSID for MLO */
5836 } else if (wdev->valid_links) {
5837 /* require SSID for MLO */
5842 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
5843 params->hidden_ssid = nla_get_u32(
5844 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
5846 params->privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5848 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5849 params->auth_type = nla_get_u32(
5850 info->attrs[NL80211_ATTR_AUTH_TYPE]);
5851 if (!nl80211_valid_auth_type(rdev, params->auth_type,
5852 NL80211_CMD_START_AP)) {
5857 params->auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5859 err = nl80211_crypto_settings(rdev, info, ¶ms->crypto,
5860 NL80211_MAX_NR_CIPHER_SUITES);
5864 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
5865 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) {
5869 params->inactivity_timeout = nla_get_u16(
5870 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5873 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5874 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5878 params->p2p_ctwindow =
5879 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5880 if (params->p2p_ctwindow != 0 &&
5881 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) {
5887 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5890 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5894 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5895 params->p2p_opp_ps = tmp;
5896 if (params->p2p_opp_ps != 0 &&
5897 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) {
5903 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
5904 err = nl80211_parse_chandef(rdev, info, ¶ms->chandef);
5907 } else if (wdev->valid_links) {
5908 /* with MLD need to specify the channel configuration */
5911 } else if (wdev->u.ap.preset_chandef.chan) {
5912 params->chandef = wdev->u.ap.preset_chandef;
5913 } else if (!nl80211_get_ap_channel(rdev, params)) {
5918 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms->chandef,
5926 if (info->attrs[NL80211_ATTR_TX_RATES]) {
5927 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5928 NL80211_ATTR_TX_RATES,
5929 ¶ms->beacon_rate,
5930 dev, false, link_id);
5934 err = validate_beacon_tx_rate(rdev, params->chandef.chan->band,
5935 ¶ms->beacon_rate);
5940 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
5942 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
5943 switch (params->smps_mode) {
5944 case NL80211_SMPS_OFF:
5946 case NL80211_SMPS_STATIC:
5947 if (!(rdev->wiphy.features &
5948 NL80211_FEATURE_STATIC_SMPS)) {
5953 case NL80211_SMPS_DYNAMIC:
5954 if (!(rdev->wiphy.features &
5955 NL80211_FEATURE_DYNAMIC_SMPS)) {
5965 params->smps_mode = NL80211_SMPS_OFF;
5968 params->pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
5969 if (params->pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
5974 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
5975 params->acl = parse_acl_data(&rdev->wiphy, info);
5976 if (IS_ERR(params->acl)) {
5977 err = PTR_ERR(params->acl);
5983 params->twt_responder =
5984 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
5986 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5987 err = nl80211_parse_he_obss_pd(
5988 info->attrs[NL80211_ATTR_HE_OBSS_PD],
5989 ¶ms->he_obss_pd);
5994 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
5995 err = nl80211_parse_fils_discovery(rdev,
5996 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
6002 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
6003 err = nl80211_parse_unsol_bcast_probe_resp(
6004 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
6010 if (info->attrs[NL80211_ATTR_MBSSID_CONFIG]) {
6011 err = nl80211_parse_mbssid_config(&rdev->wiphy, dev,
6012 info->attrs[NL80211_ATTR_MBSSID_CONFIG],
6013 ¶ms->mbssid_config,
6014 params->beacon.mbssid_ies ?
6015 params->beacon.mbssid_ies->cnt :
6021 err = nl80211_calculate_ap_params(params);
6025 if (info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS])
6026 params->flags = nla_get_u32(
6027 info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS]);
6028 else if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
6029 params->flags |= NL80211_AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
6031 if (wdev->conn_owner_nlportid &&
6032 info->attrs[NL80211_ATTR_SOCKET_OWNER] &&
6033 wdev->conn_owner_nlportid != info->snd_portid) {
6038 /* FIXME: validate MLO/link-id against driver capabilities */
6040 err = rdev_start_ap(rdev, dev, params);
6042 wdev->links[link_id].ap.beacon_interval = params->beacon_interval;
6043 wdev->links[link_id].ap.chandef = params->chandef;
6044 wdev->u.ap.ssid_len = params->ssid_len;
6045 memcpy(wdev->u.ap.ssid, params->ssid,
6048 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
6049 wdev->conn_owner_nlportid = info->snd_portid;
6055 kfree(params->beacon.mbssid_ies);
6056 if (params->mbssid_config.tx_wdev &&
6057 params->mbssid_config.tx_wdev->netdev &&
6058 params->mbssid_config.tx_wdev->netdev != dev)
6059 dev_put(params->mbssid_config.tx_wdev->netdev);
6065 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
6067 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6068 unsigned int link_id = nl80211_link_id(info->attrs);
6069 struct net_device *dev = info->user_ptr[1];
6070 struct wireless_dev *wdev = dev->ieee80211_ptr;
6071 struct cfg80211_beacon_data params;
6074 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6075 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6078 if (!rdev->ops->change_beacon)
6081 if (!wdev->links[link_id].ap.beacon_interval)
6084 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
6089 err = rdev_change_beacon(rdev, dev, ¶ms);
6093 kfree(params.mbssid_ies);
6097 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
6099 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6100 unsigned int link_id = nl80211_link_id(info->attrs);
6101 struct net_device *dev = info->user_ptr[1];
6103 return cfg80211_stop_ap(rdev, dev, link_id, false);
6106 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
6107 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
6108 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
6109 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
6110 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
6111 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
6112 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
6115 static int parse_station_flags(struct genl_info *info,
6116 enum nl80211_iftype iftype,
6117 struct station_parameters *params)
6119 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
6124 * Try parsing the new attribute first so userspace
6125 * can specify both for older kernels.
6127 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
6129 struct nl80211_sta_flag_update *sta_flags;
6131 sta_flags = nla_data(nla);
6132 params->sta_flags_mask = sta_flags->mask;
6133 params->sta_flags_set = sta_flags->set;
6134 params->sta_flags_set &= params->sta_flags_mask;
6135 if ((params->sta_flags_mask |
6136 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
6141 /* if present, parse the old attribute */
6143 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
6147 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
6151 * Only allow certain flags for interface types so that
6152 * other attributes are silently ignored. Remember that
6153 * this is backward compatibility code with old userspace
6154 * and shouldn't be hit in other cases anyway.
6157 case NL80211_IFTYPE_AP:
6158 case NL80211_IFTYPE_AP_VLAN:
6159 case NL80211_IFTYPE_P2P_GO:
6160 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6161 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6162 BIT(NL80211_STA_FLAG_WME) |
6163 BIT(NL80211_STA_FLAG_MFP);
6165 case NL80211_IFTYPE_P2P_CLIENT:
6166 case NL80211_IFTYPE_STATION:
6167 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6168 BIT(NL80211_STA_FLAG_TDLS_PEER);
6170 case NL80211_IFTYPE_MESH_POINT:
6171 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6172 BIT(NL80211_STA_FLAG_MFP) |
6173 BIT(NL80211_STA_FLAG_AUTHORIZED);
6179 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
6181 params->sta_flags_set |= (1<<flag);
6183 /* no longer support new API additions in old API */
6184 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
6192 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
6194 struct nlattr *rate;
6197 enum nl80211_rate_info rate_flg;
6199 rate = nla_nest_start_noflag(msg, attr);
6203 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
6204 bitrate = cfg80211_calculate_bitrate(info);
6205 /* report 16-bit bitrate only if we can */
6206 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
6208 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
6210 if (bitrate_compat > 0 &&
6211 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
6215 case RATE_INFO_BW_5:
6216 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
6218 case RATE_INFO_BW_10:
6219 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
6224 case RATE_INFO_BW_20:
6227 case RATE_INFO_BW_40:
6228 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
6230 case RATE_INFO_BW_80:
6231 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
6233 case RATE_INFO_BW_160:
6234 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
6236 case RATE_INFO_BW_HE_RU:
6238 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
6240 case RATE_INFO_BW_320:
6241 rate_flg = NL80211_RATE_INFO_320_MHZ_WIDTH;
6243 case RATE_INFO_BW_EHT_RU:
6245 WARN_ON(!(info->flags & RATE_INFO_FLAGS_EHT_MCS));
6249 if (rate_flg && nla_put_flag(msg, rate_flg))
6252 if (info->flags & RATE_INFO_FLAGS_MCS) {
6253 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
6255 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6256 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6258 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
6259 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
6261 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
6263 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6264 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6266 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
6267 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
6269 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
6271 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
6273 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
6275 if (info->bw == RATE_INFO_BW_HE_RU &&
6276 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
6279 } else if (info->flags & RATE_INFO_FLAGS_EHT_MCS) {
6280 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_MCS, info->mcs))
6282 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_NSS, info->nss))
6284 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_GI, info->eht_gi))
6286 if (info->bw == RATE_INFO_BW_EHT_RU &&
6287 nla_put_u8(msg, NL80211_RATE_INFO_EHT_RU_ALLOC,
6288 info->eht_ru_alloc))
6292 nla_nest_end(msg, rate);
6296 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
6305 attr = nla_nest_start_noflag(msg, id);
6309 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
6310 if (!(mask & BIT(i)))
6313 if (nla_put_u8(msg, i, signal[i]))
6317 nla_nest_end(msg, attr);
6322 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
6324 struct cfg80211_registered_device *rdev,
6325 struct net_device *dev,
6326 const u8 *mac_addr, struct station_info *sinfo)
6329 struct nlattr *sinfoattr, *bss_param;
6331 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
6333 cfg80211_sinfo_release_content(sinfo);
6337 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6338 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
6339 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
6340 goto nla_put_failure;
6342 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
6344 goto nla_put_failure;
6346 #define PUT_SINFO(attr, memb, type) do { \
6347 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
6348 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6349 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
6351 goto nla_put_failure; \
6353 #define PUT_SINFO_U64(attr, memb) do { \
6354 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6355 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
6356 sinfo->memb, NL80211_STA_INFO_PAD)) \
6357 goto nla_put_failure; \
6360 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
6361 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
6362 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
6364 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
6365 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
6366 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
6367 (u32)sinfo->rx_bytes))
6368 goto nla_put_failure;
6370 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
6371 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
6372 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
6373 (u32)sinfo->tx_bytes))
6374 goto nla_put_failure;
6376 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
6377 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
6378 PUT_SINFO(LLID, llid, u16);
6379 PUT_SINFO(PLID, plid, u16);
6380 PUT_SINFO(PLINK_STATE, plink_state, u8);
6381 PUT_SINFO_U64(RX_DURATION, rx_duration);
6382 PUT_SINFO_U64(TX_DURATION, tx_duration);
6384 if (wiphy_ext_feature_isset(&rdev->wiphy,
6385 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6386 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
6388 switch (rdev->wiphy.signal_type) {
6389 case CFG80211_SIGNAL_TYPE_MBM:
6390 PUT_SINFO(SIGNAL, signal, u8);
6391 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
6396 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
6397 if (!nl80211_put_signal(msg, sinfo->chains,
6398 sinfo->chain_signal,
6399 NL80211_STA_INFO_CHAIN_SIGNAL))
6400 goto nla_put_failure;
6402 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
6403 if (!nl80211_put_signal(msg, sinfo->chains,
6404 sinfo->chain_signal_avg,
6405 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
6406 goto nla_put_failure;
6408 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
6409 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
6410 NL80211_STA_INFO_TX_BITRATE))
6411 goto nla_put_failure;
6413 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
6414 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
6415 NL80211_STA_INFO_RX_BITRATE))
6416 goto nla_put_failure;
6419 PUT_SINFO(RX_PACKETS, rx_packets, u32);
6420 PUT_SINFO(TX_PACKETS, tx_packets, u32);
6421 PUT_SINFO(TX_RETRIES, tx_retries, u32);
6422 PUT_SINFO(TX_FAILED, tx_failed, u32);
6423 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
6424 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
6425 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
6426 PUT_SINFO(LOCAL_PM, local_pm, u32);
6427 PUT_SINFO(PEER_PM, peer_pm, u32);
6428 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
6429 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
6430 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
6432 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
6433 bss_param = nla_nest_start_noflag(msg,
6434 NL80211_STA_INFO_BSS_PARAM);
6436 goto nla_put_failure;
6438 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
6439 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
6440 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
6441 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
6442 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
6443 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
6444 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
6445 sinfo->bss_param.dtim_period) ||
6446 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
6447 sinfo->bss_param.beacon_interval))
6448 goto nla_put_failure;
6450 nla_nest_end(msg, bss_param);
6452 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
6453 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
6454 sizeof(struct nl80211_sta_flag_update),
6456 goto nla_put_failure;
6458 PUT_SINFO_U64(T_OFFSET, t_offset);
6459 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
6460 PUT_SINFO_U64(BEACON_RX, rx_beacon);
6461 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
6462 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
6463 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
6464 if (wiphy_ext_feature_isset(&rdev->wiphy,
6465 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
6466 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
6467 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
6471 #undef PUT_SINFO_U64
6473 if (sinfo->pertid) {
6474 struct nlattr *tidsattr;
6477 tidsattr = nla_nest_start_noflag(msg,
6478 NL80211_STA_INFO_TID_STATS);
6480 goto nla_put_failure;
6482 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
6483 struct cfg80211_tid_stats *tidstats;
6484 struct nlattr *tidattr;
6486 tidstats = &sinfo->pertid[tid];
6488 if (!tidstats->filled)
6491 tidattr = nla_nest_start_noflag(msg, tid + 1);
6493 goto nla_put_failure;
6495 #define PUT_TIDVAL_U64(attr, memb) do { \
6496 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
6497 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
6498 tidstats->memb, NL80211_TID_STATS_PAD)) \
6499 goto nla_put_failure; \
6502 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
6503 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
6504 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
6505 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6507 #undef PUT_TIDVAL_U64
6508 if ((tidstats->filled &
6509 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
6510 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
6511 NL80211_TID_STATS_TXQ_STATS))
6512 goto nla_put_failure;
6514 nla_nest_end(msg, tidattr);
6517 nla_nest_end(msg, tidsattr);
6520 nla_nest_end(msg, sinfoattr);
6522 if (sinfo->assoc_req_ies_len &&
6523 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
6524 sinfo->assoc_req_ies))
6525 goto nla_put_failure;
6527 cfg80211_sinfo_release_content(sinfo);
6528 genlmsg_end(msg, hdr);
6532 cfg80211_sinfo_release_content(sinfo);
6533 genlmsg_cancel(msg, hdr);
6537 static int nl80211_dump_station(struct sk_buff *skb,
6538 struct netlink_callback *cb)
6540 struct station_info sinfo;
6541 struct cfg80211_registered_device *rdev;
6542 struct wireless_dev *wdev;
6543 u8 mac_addr[ETH_ALEN];
6544 int sta_idx = cb->args[2];
6547 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
6550 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6551 __acquire(&rdev->wiphy.mtx);
6553 if (!wdev->netdev) {
6558 if (!rdev->ops->dump_station) {
6564 memset(&sinfo, 0, sizeof(sinfo));
6565 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
6572 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
6573 NETLINK_CB(cb->skb).portid,
6574 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6575 rdev, wdev->netdev, mac_addr,
6583 cb->args[2] = sta_idx;
6586 wiphy_unlock(&rdev->wiphy);
6591 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6593 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6594 struct net_device *dev = info->user_ptr[1];
6595 struct station_info sinfo;
6596 struct sk_buff *msg;
6597 u8 *mac_addr = NULL;
6600 memset(&sinfo, 0, sizeof(sinfo));
6602 if (!info->attrs[NL80211_ATTR_MAC])
6605 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6607 if (!rdev->ops->get_station)
6610 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
6614 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6616 cfg80211_sinfo_release_content(&sinfo);
6620 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6621 info->snd_portid, info->snd_seq, 0,
6622 rdev, dev, mac_addr, &sinfo) < 0) {
6627 return genlmsg_reply(msg, info);
6630 int cfg80211_check_station_change(struct wiphy *wiphy,
6631 struct station_parameters *params,
6632 enum cfg80211_station_type statype)
6634 if (params->listen_interval != -1 &&
6635 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6638 if (params->support_p2p_ps != -1 &&
6639 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6643 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6644 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6647 /* When you run into this, adjust the code below for the new flag */
6648 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6651 case CFG80211_STA_MESH_PEER_KERNEL:
6652 case CFG80211_STA_MESH_PEER_USER:
6654 * No ignoring the TDLS flag here -- the userspace mesh
6655 * code doesn't have the bug of including TDLS in the
6658 if (params->sta_flags_mask &
6659 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6660 BIT(NL80211_STA_FLAG_MFP) |
6661 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6664 case CFG80211_STA_TDLS_PEER_SETUP:
6665 case CFG80211_STA_TDLS_PEER_ACTIVE:
6666 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6668 /* ignore since it can't change */
6669 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6672 /* disallow mesh-specific things */
6673 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6675 if (params->local_pm)
6677 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6681 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6682 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6683 /* TDLS can't be set, ... */
6684 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6687 * ... but don't bother the driver with it. This works around
6688 * a hostapd/wpa_supplicant issue -- it always includes the
6689 * TLDS_PEER flag in the mask even for AP mode.
6691 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6694 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6695 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6696 /* reject other things that can't change */
6697 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6699 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6701 if (params->link_sta_params.supported_rates)
6703 if (params->ext_capab || params->link_sta_params.ht_capa ||
6704 params->link_sta_params.vht_capa ||
6705 params->link_sta_params.he_capa ||
6706 params->link_sta_params.eht_capa)
6710 if (statype != CFG80211_STA_AP_CLIENT &&
6711 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6717 case CFG80211_STA_AP_MLME_CLIENT:
6718 /* Use this only for authorizing/unauthorizing a station */
6719 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6722 case CFG80211_STA_AP_CLIENT:
6723 case CFG80211_STA_AP_CLIENT_UNASSOC:
6724 /* accept only the listed bits */
6725 if (params->sta_flags_mask &
6726 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6727 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6728 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6729 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6730 BIT(NL80211_STA_FLAG_WME) |
6731 BIT(NL80211_STA_FLAG_MFP)))
6734 /* but authenticated/associated only if driver handles it */
6735 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6736 params->sta_flags_mask &
6737 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6738 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6741 case CFG80211_STA_IBSS:
6742 case CFG80211_STA_AP_STA:
6743 /* reject any changes other than AUTHORIZED */
6744 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6747 case CFG80211_STA_TDLS_PEER_SETUP:
6748 /* reject any changes other than AUTHORIZED or WME */
6749 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6750 BIT(NL80211_STA_FLAG_WME)))
6752 /* force (at least) rates when authorizing */
6753 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6754 !params->link_sta_params.supported_rates)
6757 case CFG80211_STA_TDLS_PEER_ACTIVE:
6758 /* reject any changes */
6760 case CFG80211_STA_MESH_PEER_KERNEL:
6761 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6764 case CFG80211_STA_MESH_PEER_USER:
6765 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6766 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
6772 * Older kernel versions ignored this attribute entirely, so don't
6773 * reject attempts to update it but mark it as unused instead so the
6774 * driver won't look at the data.
6776 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6777 statype != CFG80211_STA_TDLS_PEER_SETUP)
6778 params->link_sta_params.opmode_notif_used = false;
6782 EXPORT_SYMBOL(cfg80211_check_station_change);
6785 * Get vlan interface making sure it is running and on the right wiphy.
6787 static struct net_device *get_vlan(struct genl_info *info,
6788 struct cfg80211_registered_device *rdev)
6790 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
6791 struct net_device *v;
6797 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6799 return ERR_PTR(-ENODEV);
6801 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6806 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6807 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6808 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6813 if (!netif_running(v)) {
6821 return ERR_PTR(ret);
6824 static int nl80211_parse_sta_wme(struct genl_info *info,
6825 struct station_parameters *params)
6827 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6831 /* parse WME attributes if present */
6832 if (!info->attrs[NL80211_ATTR_STA_WME])
6835 nla = info->attrs[NL80211_ATTR_STA_WME];
6836 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6837 nl80211_sta_wme_policy,
6842 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6843 params->uapsd_queues = nla_get_u8(
6844 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6845 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6848 if (tb[NL80211_STA_WME_MAX_SP])
6849 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6851 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6854 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6859 static int nl80211_parse_sta_channel_info(struct genl_info *info,
6860 struct station_parameters *params)
6862 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6863 params->supported_channels =
6864 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6865 params->supported_channels_len =
6866 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6868 * Need to include at least one (first channel, number of
6869 * channels) tuple for each subband (checked in policy),
6870 * and must have proper tuples for the rest of the data as well.
6872 if (params->supported_channels_len % 2)
6876 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6877 params->supported_oper_classes =
6878 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6879 params->supported_oper_classes_len =
6880 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6885 static int nl80211_set_station_tdls(struct genl_info *info,
6886 struct station_parameters *params)
6889 /* Dummy STA entry gets updated once the peer capabilities are known */
6890 if (info->attrs[NL80211_ATTR_PEER_AID])
6891 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6892 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6893 params->link_sta_params.ht_capa =
6894 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6895 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6896 params->link_sta_params.vht_capa =
6897 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6898 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6899 params->link_sta_params.he_capa =
6900 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6901 params->link_sta_params.he_capa_len =
6902 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6904 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
6905 params->link_sta_params.eht_capa =
6906 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
6907 params->link_sta_params.eht_capa_len =
6908 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
6910 if (!ieee80211_eht_capa_size_ok((const u8 *)params->link_sta_params.he_capa,
6911 (const u8 *)params->link_sta_params.eht_capa,
6912 params->link_sta_params.eht_capa_len,
6918 err = nl80211_parse_sta_channel_info(info, params);
6922 return nl80211_parse_sta_wme(info, params);
6925 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
6926 struct sta_txpwr *txpwr,
6929 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6932 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
6933 if (!rdev->ops->set_tx_power ||
6934 !wiphy_ext_feature_isset(&rdev->wiphy,
6935 NL80211_EXT_FEATURE_STA_TX_PWR))
6938 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
6939 txpwr->type = nla_get_u8(info->attrs[idx]);
6941 if (txpwr->type == NL80211_TX_POWER_LIMITED) {
6942 idx = NL80211_ATTR_STA_TX_POWER;
6944 if (info->attrs[idx])
6945 txpwr->power = nla_get_s16(info->attrs[idx]);
6958 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
6960 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6961 struct net_device *dev = info->user_ptr[1];
6962 struct station_parameters params;
6966 memset(¶ms, 0, sizeof(params));
6968 if (!rdev->ops->change_station)
6972 * AID and listen_interval properties can be set only for unassociated
6973 * station. Include these parameters here and will check them in
6974 * cfg80211_check_station_change().
6976 if (info->attrs[NL80211_ATTR_STA_AID])
6977 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6979 if (info->attrs[NL80211_ATTR_VLAN_ID])
6980 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6982 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6983 params.listen_interval =
6984 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6986 params.listen_interval = -1;
6988 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
6989 params.support_p2p_ps =
6990 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6992 params.support_p2p_ps = -1;
6994 if (!info->attrs[NL80211_ATTR_MAC])
6997 params.link_sta_params.link_id =
6998 nl80211_link_id_or_invalid(info->attrs);
7000 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7001 /* If MLD_ADDR attribute is set then this is an MLD station
7002 * and the MLD_ADDR attribute holds the MLD address and the
7003 * MAC attribute holds for the LINK address.
7004 * In that case, the link_id is also expected to be valid.
7006 if (params.link_sta_params.link_id < 0)
7009 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7010 params.link_sta_params.mld_mac = mac_addr;
7011 params.link_sta_params.link_mac =
7012 nla_data(info->attrs[NL80211_ATTR_MAC]);
7013 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7016 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7020 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
7021 params.link_sta_params.supported_rates =
7022 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7023 params.link_sta_params.supported_rates_len =
7024 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7027 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7029 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7030 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7033 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7035 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7036 params.ext_capab_len =
7037 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7040 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
7043 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
7044 params.plink_action =
7045 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
7047 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
7048 params.plink_state =
7049 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
7050 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7051 params.peer_aid = nla_get_u16(
7052 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
7053 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
7056 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
7057 params.local_pm = nla_get_u32(
7058 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
7060 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
7061 params.link_sta_params.opmode_notif_used = true;
7062 params.link_sta_params.opmode_notif =
7063 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7066 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
7067 params.link_sta_params.he_6ghz_capa =
7068 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7070 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7071 params.airtime_weight =
7072 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7074 if (params.airtime_weight &&
7075 !wiphy_ext_feature_isset(&rdev->wiphy,
7076 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7079 err = nl80211_parse_sta_txpower_setting(info,
7080 ¶ms.link_sta_params.txpwr,
7081 ¶ms.link_sta_params.txpwr_set);
7085 /* Include parameters for TDLS peer (will check later) */
7086 err = nl80211_set_station_tdls(info, ¶ms);
7090 params.vlan = get_vlan(info, rdev);
7091 if (IS_ERR(params.vlan))
7092 return PTR_ERR(params.vlan);
7094 switch (dev->ieee80211_ptr->iftype) {
7095 case NL80211_IFTYPE_AP:
7096 case NL80211_IFTYPE_AP_VLAN:
7097 case NL80211_IFTYPE_P2P_GO:
7098 case NL80211_IFTYPE_P2P_CLIENT:
7099 case NL80211_IFTYPE_STATION:
7100 case NL80211_IFTYPE_ADHOC:
7101 case NL80211_IFTYPE_MESH_POINT:
7108 /* driver will call cfg80211_check_station_change() */
7109 wdev_lock(dev->ieee80211_ptr);
7110 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
7111 wdev_unlock(dev->ieee80211_ptr);
7114 dev_put(params.vlan);
7119 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
7121 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7123 struct net_device *dev = info->user_ptr[1];
7124 struct wireless_dev *wdev = dev->ieee80211_ptr;
7125 struct station_parameters params;
7126 u8 *mac_addr = NULL;
7127 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
7128 BIT(NL80211_STA_FLAG_ASSOCIATED);
7130 memset(¶ms, 0, sizeof(params));
7132 if (!rdev->ops->add_station)
7135 if (!info->attrs[NL80211_ATTR_MAC])
7138 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7141 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
7144 if (!info->attrs[NL80211_ATTR_STA_AID] &&
7145 !info->attrs[NL80211_ATTR_PEER_AID])
7148 params.link_sta_params.link_id =
7149 nl80211_link_id_or_invalid(info->attrs);
7151 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7152 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7153 params.link_sta_params.mld_mac = mac_addr;
7154 params.link_sta_params.link_mac =
7155 nla_data(info->attrs[NL80211_ATTR_MAC]);
7156 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7159 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7162 params.link_sta_params.supported_rates =
7163 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7164 params.link_sta_params.supported_rates_len =
7165 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7166 params.listen_interval =
7167 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
7169 if (info->attrs[NL80211_ATTR_VLAN_ID])
7170 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7172 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
7173 params.support_p2p_ps =
7174 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
7177 * if not specified, assume it's supported for P2P GO interface,
7178 * and is NOT supported for AP interface
7180 params.support_p2p_ps =
7181 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
7184 if (info->attrs[NL80211_ATTR_PEER_AID])
7185 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
7187 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
7189 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7191 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7192 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7195 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7197 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7198 params.ext_capab_len =
7199 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7202 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
7203 params.link_sta_params.ht_capa =
7204 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
7206 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
7207 params.link_sta_params.vht_capa =
7208 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
7210 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
7211 params.link_sta_params.he_capa =
7212 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7213 params.link_sta_params.he_capa_len =
7214 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7216 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
7217 params.link_sta_params.eht_capa =
7218 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7219 params.link_sta_params.eht_capa_len =
7220 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7222 if (!ieee80211_eht_capa_size_ok((const u8 *)params.link_sta_params.he_capa,
7223 (const u8 *)params.link_sta_params.eht_capa,
7224 params.link_sta_params.eht_capa_len,
7230 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
7231 params.link_sta_params.he_6ghz_capa =
7232 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7234 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
7235 params.link_sta_params.opmode_notif_used = true;
7236 params.link_sta_params.opmode_notif =
7237 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7240 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
7241 params.plink_action =
7242 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
7244 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7245 params.airtime_weight =
7246 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7248 if (params.airtime_weight &&
7249 !wiphy_ext_feature_isset(&rdev->wiphy,
7250 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7253 err = nl80211_parse_sta_txpower_setting(info,
7254 ¶ms.link_sta_params.txpwr,
7255 ¶ms.link_sta_params.txpwr_set);
7259 err = nl80211_parse_sta_channel_info(info, ¶ms);
7263 err = nl80211_parse_sta_wme(info, ¶ms);
7267 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
7270 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
7271 * as userspace might just pass through the capabilities from the IEs
7272 * directly, rather than enforcing this restriction and returning an
7273 * error in this case.
7275 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
7276 params.link_sta_params.ht_capa = NULL;
7277 params.link_sta_params.vht_capa = NULL;
7279 /* HE and EHT require WME */
7280 if (params.link_sta_params.he_capa_len ||
7281 params.link_sta_params.he_6ghz_capa ||
7282 params.link_sta_params.eht_capa_len)
7286 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
7287 if (params.link_sta_params.he_6ghz_capa &&
7288 (params.link_sta_params.ht_capa || params.link_sta_params.vht_capa))
7291 /* When you run into this, adjust the code below for the new flag */
7292 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
7294 switch (dev->ieee80211_ptr->iftype) {
7295 case NL80211_IFTYPE_AP:
7296 case NL80211_IFTYPE_AP_VLAN:
7297 case NL80211_IFTYPE_P2P_GO:
7298 /* ignore WME attributes if iface/sta is not capable */
7299 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
7300 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
7301 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7303 /* TDLS peers cannot be added */
7304 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7305 info->attrs[NL80211_ATTR_PEER_AID])
7307 /* but don't bother the driver with it */
7308 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
7310 /* allow authenticated/associated only if driver handles it */
7311 if (!(rdev->wiphy.features &
7312 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
7313 params.sta_flags_mask & auth_assoc)
7316 /* Older userspace, or userspace wanting to be compatible with
7317 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
7318 * and assoc flags in the mask, but assumes the station will be
7319 * added as associated anyway since this was the required driver
7320 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
7322 * In order to not bother drivers with this quirk in the API
7323 * set the flags in both the mask and set for new stations in
7326 if (!(params.sta_flags_mask & auth_assoc)) {
7327 params.sta_flags_mask |= auth_assoc;
7328 params.sta_flags_set |= auth_assoc;
7331 /* must be last in here for error handling */
7332 params.vlan = get_vlan(info, rdev);
7333 if (IS_ERR(params.vlan))
7334 return PTR_ERR(params.vlan);
7336 case NL80211_IFTYPE_MESH_POINT:
7337 /* ignore uAPSD data */
7338 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7340 /* associated is disallowed */
7341 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
7343 /* TDLS peers cannot be added */
7344 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7345 info->attrs[NL80211_ATTR_PEER_AID])
7348 case NL80211_IFTYPE_STATION:
7349 case NL80211_IFTYPE_P2P_CLIENT:
7350 /* ignore uAPSD data */
7351 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7353 /* these are disallowed */
7354 if (params.sta_flags_mask &
7355 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
7356 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
7358 /* Only TDLS peers can be added */
7359 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
7361 /* Can only add if TDLS ... */
7362 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
7364 /* ... with external setup is supported */
7365 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
7368 * Older wpa_supplicant versions always mark the TDLS peer
7369 * as authorized, but it shouldn't yet be.
7371 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
7377 /* be aware of params.vlan when changing code here */
7379 wdev_lock(dev->ieee80211_ptr);
7380 if (wdev->valid_links) {
7381 if (params.link_sta_params.link_id < 0) {
7385 if (!(wdev->valid_links & BIT(params.link_sta_params.link_id))) {
7390 if (params.link_sta_params.link_id >= 0) {
7395 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
7397 wdev_unlock(dev->ieee80211_ptr);
7398 dev_put(params.vlan);
7402 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
7404 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7405 struct net_device *dev = info->user_ptr[1];
7406 struct station_del_parameters params;
7409 memset(¶ms, 0, sizeof(params));
7411 if (info->attrs[NL80211_ATTR_MAC])
7412 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
7414 switch (dev->ieee80211_ptr->iftype) {
7415 case NL80211_IFTYPE_AP:
7416 case NL80211_IFTYPE_AP_VLAN:
7417 case NL80211_IFTYPE_MESH_POINT:
7418 case NL80211_IFTYPE_P2P_GO:
7419 /* always accept these */
7421 case NL80211_IFTYPE_ADHOC:
7422 /* conditionally accept */
7423 if (wiphy_ext_feature_isset(&rdev->wiphy,
7424 NL80211_EXT_FEATURE_DEL_IBSS_STA))
7431 if (!rdev->ops->del_station)
7434 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
7436 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
7437 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
7438 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
7441 /* Default to Deauthentication frame */
7442 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
7445 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
7446 params.reason_code =
7447 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7448 if (params.reason_code == 0)
7449 return -EINVAL; /* 0 is reserved */
7451 /* Default to reason code 2 */
7452 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
7455 wdev_lock(dev->ieee80211_ptr);
7456 ret = rdev_del_station(rdev, dev, ¶ms);
7457 wdev_unlock(dev->ieee80211_ptr);
7462 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
7463 int flags, struct net_device *dev,
7464 u8 *dst, u8 *next_hop,
7465 struct mpath_info *pinfo)
7468 struct nlattr *pinfoattr;
7470 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
7474 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7475 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7476 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
7477 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
7478 goto nla_put_failure;
7480 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
7482 goto nla_put_failure;
7483 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
7484 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
7486 goto nla_put_failure;
7487 if (((pinfo->filled & MPATH_INFO_SN) &&
7488 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
7489 ((pinfo->filled & MPATH_INFO_METRIC) &&
7490 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
7492 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
7493 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
7495 ((pinfo->filled & MPATH_INFO_FLAGS) &&
7496 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
7498 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
7499 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
7500 pinfo->discovery_timeout)) ||
7501 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
7502 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
7503 pinfo->discovery_retries)) ||
7504 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
7505 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
7506 pinfo->hop_count)) ||
7507 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
7508 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
7509 pinfo->path_change_count)))
7510 goto nla_put_failure;
7512 nla_nest_end(msg, pinfoattr);
7514 genlmsg_end(msg, hdr);
7518 genlmsg_cancel(msg, hdr);
7522 static int nl80211_dump_mpath(struct sk_buff *skb,
7523 struct netlink_callback *cb)
7525 struct mpath_info pinfo;
7526 struct cfg80211_registered_device *rdev;
7527 struct wireless_dev *wdev;
7529 u8 next_hop[ETH_ALEN];
7530 int path_idx = cb->args[2];
7533 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7536 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7537 __acquire(&rdev->wiphy.mtx);
7539 if (!rdev->ops->dump_mpath) {
7544 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7550 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
7557 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7558 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7559 wdev->netdev, dst, next_hop,
7567 cb->args[2] = path_idx;
7570 wiphy_unlock(&rdev->wiphy);
7574 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
7576 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7578 struct net_device *dev = info->user_ptr[1];
7579 struct mpath_info pinfo;
7580 struct sk_buff *msg;
7582 u8 next_hop[ETH_ALEN];
7584 memset(&pinfo, 0, sizeof(pinfo));
7586 if (!info->attrs[NL80211_ATTR_MAC])
7589 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7591 if (!rdev->ops->get_mpath)
7594 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7597 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
7601 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7605 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7606 dev, dst, next_hop, &pinfo) < 0) {
7611 return genlmsg_reply(msg, info);
7614 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
7616 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7617 struct net_device *dev = info->user_ptr[1];
7619 u8 *next_hop = NULL;
7621 if (!info->attrs[NL80211_ATTR_MAC])
7624 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7627 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7628 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7630 if (!rdev->ops->change_mpath)
7633 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7636 return rdev_change_mpath(rdev, dev, dst, next_hop);
7639 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
7641 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7642 struct net_device *dev = info->user_ptr[1];
7644 u8 *next_hop = NULL;
7646 if (!info->attrs[NL80211_ATTR_MAC])
7649 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7652 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7653 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7655 if (!rdev->ops->add_mpath)
7658 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7661 return rdev_add_mpath(rdev, dev, dst, next_hop);
7664 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7666 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7667 struct net_device *dev = info->user_ptr[1];
7670 if (info->attrs[NL80211_ATTR_MAC])
7671 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7673 if (!rdev->ops->del_mpath)
7676 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7679 return rdev_del_mpath(rdev, dev, dst);
7682 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7684 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7686 struct net_device *dev = info->user_ptr[1];
7687 struct mpath_info pinfo;
7688 struct sk_buff *msg;
7692 memset(&pinfo, 0, sizeof(pinfo));
7694 if (!info->attrs[NL80211_ATTR_MAC])
7697 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7699 if (!rdev->ops->get_mpp)
7702 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7705 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7709 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7713 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7714 dev, dst, mpp, &pinfo) < 0) {
7719 return genlmsg_reply(msg, info);
7722 static int nl80211_dump_mpp(struct sk_buff *skb,
7723 struct netlink_callback *cb)
7725 struct mpath_info pinfo;
7726 struct cfg80211_registered_device *rdev;
7727 struct wireless_dev *wdev;
7730 int path_idx = cb->args[2];
7733 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7736 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7737 __acquire(&rdev->wiphy.mtx);
7739 if (!rdev->ops->dump_mpp) {
7744 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7750 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7757 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7758 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7759 wdev->netdev, dst, mpp,
7767 cb->args[2] = path_idx;
7770 wiphy_unlock(&rdev->wiphy);
7774 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7776 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7777 struct net_device *dev = info->user_ptr[1];
7778 struct wireless_dev *wdev = dev->ieee80211_ptr;
7779 struct bss_parameters params;
7782 memset(¶ms, 0, sizeof(params));
7783 /* default to not changing parameters */
7784 params.use_cts_prot = -1;
7785 params.use_short_preamble = -1;
7786 params.use_short_slot_time = -1;
7787 params.ap_isolate = -1;
7788 params.ht_opmode = -1;
7789 params.p2p_ctwindow = -1;
7790 params.p2p_opp_ps = -1;
7792 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7793 params.use_cts_prot =
7794 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7795 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7796 params.use_short_preamble =
7797 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7798 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7799 params.use_short_slot_time =
7800 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
7801 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7802 params.basic_rates =
7803 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7804 params.basic_rates_len =
7805 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7807 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7808 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
7809 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7811 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
7813 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7814 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7816 params.p2p_ctwindow =
7817 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
7818 if (params.p2p_ctwindow != 0 &&
7819 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7823 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7826 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7828 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
7829 params.p2p_opp_ps = tmp;
7830 if (params.p2p_opp_ps &&
7831 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7835 if (!rdev->ops->change_bss)
7838 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7839 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7843 err = rdev_change_bss(rdev, dev, ¶ms);
7849 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7853 enum nl80211_user_reg_hint_type user_reg_hint_type;
7857 * You should only get this when cfg80211 hasn't yet initialized
7858 * completely when built-in to the kernel right between the time
7859 * window between nl80211_init() and regulatory_init(), if that is
7862 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
7863 return -EINPROGRESS;
7865 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7866 user_reg_hint_type =
7867 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7869 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7871 switch (user_reg_hint_type) {
7872 case NL80211_USER_REG_HINT_USER:
7873 case NL80211_USER_REG_HINT_CELL_BASE:
7874 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7877 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7878 return regulatory_hint_user(data, user_reg_hint_type);
7879 case NL80211_USER_REG_HINT_INDOOR:
7880 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7881 owner_nlportid = info->snd_portid;
7882 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7888 return regulatory_hint_indoor(is_indoor, owner_nlportid);
7894 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7896 return reg_reload_regdb();
7899 static int nl80211_get_mesh_config(struct sk_buff *skb,
7900 struct genl_info *info)
7902 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7903 struct net_device *dev = info->user_ptr[1];
7904 struct wireless_dev *wdev = dev->ieee80211_ptr;
7905 struct mesh_config cur_params;
7908 struct nlattr *pinfoattr;
7909 struct sk_buff *msg;
7911 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7914 if (!rdev->ops->get_mesh_config)
7918 /* If not connected, get default parameters */
7919 if (!wdev->u.mesh.id_len)
7920 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
7922 err = rdev_get_mesh_config(rdev, dev, &cur_params);
7928 /* Draw up a netlink message to send back */
7929 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7932 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7933 NL80211_CMD_GET_MESH_CONFIG);
7936 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
7938 goto nla_put_failure;
7939 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7940 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
7941 cur_params.dot11MeshRetryTimeout) ||
7942 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
7943 cur_params.dot11MeshConfirmTimeout) ||
7944 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
7945 cur_params.dot11MeshHoldingTimeout) ||
7946 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7947 cur_params.dot11MeshMaxPeerLinks) ||
7948 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
7949 cur_params.dot11MeshMaxRetries) ||
7950 nla_put_u8(msg, NL80211_MESHCONF_TTL,
7951 cur_params.dot11MeshTTL) ||
7952 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
7953 cur_params.element_ttl) ||
7954 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7955 cur_params.auto_open_plinks) ||
7956 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7957 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
7958 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7959 cur_params.dot11MeshHWMPmaxPREQretries) ||
7960 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
7961 cur_params.path_refresh_time) ||
7962 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7963 cur_params.min_discovery_timeout) ||
7964 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7965 cur_params.dot11MeshHWMPactivePathTimeout) ||
7966 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7967 cur_params.dot11MeshHWMPpreqMinInterval) ||
7968 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7969 cur_params.dot11MeshHWMPperrMinInterval) ||
7970 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7971 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
7972 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
7973 cur_params.dot11MeshHWMPRootMode) ||
7974 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7975 cur_params.dot11MeshHWMPRannInterval) ||
7976 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7977 cur_params.dot11MeshGateAnnouncementProtocol) ||
7978 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
7979 cur_params.dot11MeshForwarding) ||
7980 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
7981 cur_params.rssi_threshold) ||
7982 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
7983 cur_params.ht_opmode) ||
7984 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7985 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
7986 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7987 cur_params.dot11MeshHWMProotInterval) ||
7988 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7989 cur_params.dot11MeshHWMPconfirmationInterval) ||
7990 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
7991 cur_params.power_mode) ||
7992 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
7993 cur_params.dot11MeshAwakeWindowDuration) ||
7994 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
7995 cur_params.plink_timeout) ||
7996 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
7997 cur_params.dot11MeshConnectedToMeshGate) ||
7998 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
7999 cur_params.dot11MeshNolearn) ||
8000 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
8001 cur_params.dot11MeshConnectedToAuthServer))
8002 goto nla_put_failure;
8003 nla_nest_end(msg, pinfoattr);
8004 genlmsg_end(msg, hdr);
8005 return genlmsg_reply(msg, info);
8013 static const struct nla_policy
8014 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
8015 [NL80211_MESHCONF_RETRY_TIMEOUT] =
8016 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8017 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
8018 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8019 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
8020 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8021 [NL80211_MESHCONF_MAX_PEER_LINKS] =
8022 NLA_POLICY_RANGE(NLA_U16, 0, 255),
8023 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
8024 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8025 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8026 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
8027 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
8028 NLA_POLICY_RANGE(NLA_U32, 1, 255),
8029 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
8030 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
8031 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
8032 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
8033 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
8034 NLA_POLICY_MIN(NLA_U16, 1),
8035 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
8036 NLA_POLICY_MIN(NLA_U16, 1),
8037 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
8038 NLA_POLICY_MIN(NLA_U16, 1),
8039 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
8040 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
8041 NLA_POLICY_MIN(NLA_U16, 1),
8042 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
8043 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
8044 [NL80211_MESHCONF_RSSI_THRESHOLD] =
8045 NLA_POLICY_RANGE(NLA_S32, -255, 0),
8046 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
8047 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
8048 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
8049 NLA_POLICY_MIN(NLA_U16, 1),
8050 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
8051 NLA_POLICY_MIN(NLA_U16, 1),
8052 [NL80211_MESHCONF_POWER_MODE] =
8053 NLA_POLICY_RANGE(NLA_U32,
8054 NL80211_MESH_POWER_ACTIVE,
8055 NL80211_MESH_POWER_MAX),
8056 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8057 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
8058 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8059 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8060 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8063 static const struct nla_policy
8064 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
8065 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
8066 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
8067 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
8068 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
8069 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
8070 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
8071 [NL80211_MESH_SETUP_IE] =
8072 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
8073 IEEE80211_MAX_DATA_LEN),
8074 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
8077 static int nl80211_parse_mesh_config(struct genl_info *info,
8078 struct mesh_config *cfg,
8081 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
8085 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
8088 cfg->param = fn(tb[attr]); \
8089 mask |= BIT((attr) - 1); \
8093 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
8095 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
8098 /* This makes sure that there aren't more than 32 mesh config
8099 * parameters (otherwise our bitfield scheme would not work.) */
8100 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
8102 /* Fill in the params struct */
8103 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
8104 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
8105 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
8106 NL80211_MESHCONF_CONFIRM_TIMEOUT,
8108 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
8109 NL80211_MESHCONF_HOLDING_TIMEOUT,
8111 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
8112 NL80211_MESHCONF_MAX_PEER_LINKS,
8114 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
8115 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
8116 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
8117 NL80211_MESHCONF_TTL, nla_get_u8);
8118 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
8119 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
8120 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
8121 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8123 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
8125 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
8127 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
8128 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8130 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
8131 NL80211_MESHCONF_PATH_REFRESH_TIME,
8133 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
8134 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
8136 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
8137 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8139 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
8141 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
8143 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
8144 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
8145 cfg->dot11MeshHWMPactivePathTimeout > 65535))
8147 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
8148 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
8150 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
8151 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
8153 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
8154 dot11MeshHWMPnetDiameterTraversalTime, mask,
8155 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
8157 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
8158 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
8159 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
8160 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8162 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
8163 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
8165 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
8166 NL80211_MESHCONF_FORWARDING, nla_get_u8);
8167 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
8168 NL80211_MESHCONF_RSSI_THRESHOLD,
8170 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
8171 NL80211_MESHCONF_CONNECTED_TO_GATE,
8173 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
8174 NL80211_MESHCONF_CONNECTED_TO_AS,
8177 * Check HT operation mode based on
8178 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
8180 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
8181 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
8183 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
8184 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
8185 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
8188 /* NON_HT_STA bit is reserved, but some programs set it */
8189 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
8191 cfg->ht_opmode = ht_opmode;
8192 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
8194 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
8195 dot11MeshHWMPactivePathToRootTimeout, mask,
8196 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8198 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
8199 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
8200 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
8202 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
8203 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
8205 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
8207 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
8209 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
8210 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
8211 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
8212 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
8213 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
8214 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
8215 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
8216 NL80211_MESHCONF_NOLEARN, nla_get_u8);
8222 #undef FILL_IN_MESH_PARAM_IF_SET
8225 static int nl80211_parse_mesh_setup(struct genl_info *info,
8226 struct mesh_setup *setup)
8228 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8229 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
8231 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
8233 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
8236 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
8237 setup->sync_method =
8238 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
8239 IEEE80211_SYNC_METHOD_VENDOR :
8240 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
8242 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
8243 setup->path_sel_proto =
8244 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
8245 IEEE80211_PATH_PROTOCOL_VENDOR :
8246 IEEE80211_PATH_PROTOCOL_HWMP;
8248 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
8249 setup->path_metric =
8250 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
8251 IEEE80211_PATH_METRIC_VENDOR :
8252 IEEE80211_PATH_METRIC_AIRTIME;
8254 if (tb[NL80211_MESH_SETUP_IE]) {
8255 struct nlattr *ieattr =
8256 tb[NL80211_MESH_SETUP_IE];
8257 setup->ie = nla_data(ieattr);
8258 setup->ie_len = nla_len(ieattr);
8260 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
8261 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
8263 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
8264 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
8265 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
8266 if (setup->is_secure)
8267 setup->user_mpm = true;
8269 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
8270 if (!setup->user_mpm)
8273 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
8279 static int nl80211_update_mesh_config(struct sk_buff *skb,
8280 struct genl_info *info)
8282 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8283 struct net_device *dev = info->user_ptr[1];
8284 struct wireless_dev *wdev = dev->ieee80211_ptr;
8285 struct mesh_config cfg;
8289 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8292 if (!rdev->ops->update_mesh_config)
8295 err = nl80211_parse_mesh_config(info, &cfg, &mask);
8300 if (!wdev->u.mesh.id_len)
8304 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
8311 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
8312 struct sk_buff *msg)
8314 struct nlattr *nl_reg_rules;
8317 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
8318 (regdom->dfs_region &&
8319 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
8320 goto nla_put_failure;
8322 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
8324 goto nla_put_failure;
8326 for (i = 0; i < regdom->n_reg_rules; i++) {
8327 struct nlattr *nl_reg_rule;
8328 const struct ieee80211_reg_rule *reg_rule;
8329 const struct ieee80211_freq_range *freq_range;
8330 const struct ieee80211_power_rule *power_rule;
8331 unsigned int max_bandwidth_khz;
8333 reg_rule = ®dom->reg_rules[i];
8334 freq_range = ®_rule->freq_range;
8335 power_rule = ®_rule->power_rule;
8337 nl_reg_rule = nla_nest_start_noflag(msg, i);
8339 goto nla_put_failure;
8341 max_bandwidth_khz = freq_range->max_bandwidth_khz;
8342 if (!max_bandwidth_khz)
8343 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
8346 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
8348 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
8349 freq_range->start_freq_khz) ||
8350 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
8351 freq_range->end_freq_khz) ||
8352 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
8353 max_bandwidth_khz) ||
8354 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
8355 power_rule->max_antenna_gain) ||
8356 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
8357 power_rule->max_eirp) ||
8358 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
8359 reg_rule->dfs_cac_ms))
8360 goto nla_put_failure;
8362 nla_nest_end(msg, nl_reg_rule);
8365 nla_nest_end(msg, nl_reg_rules);
8372 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
8374 const struct ieee80211_regdomain *regdom = NULL;
8375 struct cfg80211_registered_device *rdev;
8376 struct wiphy *wiphy = NULL;
8377 struct sk_buff *msg;
8378 int err = -EMSGSIZE;
8381 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8385 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8386 NL80211_CMD_GET_REG);
8392 if (info->attrs[NL80211_ATTR_WIPHY]) {
8395 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8397 err = PTR_ERR(rdev);
8398 goto nla_put_failure;
8401 wiphy = &rdev->wiphy;
8402 self_managed = wiphy->regulatory_flags &
8403 REGULATORY_WIPHY_SELF_MANAGED;
8407 regdom = get_wiphy_regdom(wiphy);
8409 /* a self-managed-reg device must have a private regdom */
8410 if (WARN_ON(!regdom && self_managed)) {
8412 goto nla_put_failure_rcu;
8416 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8417 goto nla_put_failure_rcu;
8422 if (!wiphy && reg_last_request_cell_base() &&
8423 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8424 NL80211_USER_REG_HINT_CELL_BASE))
8425 goto nla_put_failure_rcu;
8428 regdom = rcu_dereference(cfg80211_regdomain);
8430 if (nl80211_put_regdom(regdom, msg))
8431 goto nla_put_failure_rcu;
8435 genlmsg_end(msg, hdr);
8437 return genlmsg_reply(msg, info);
8439 nla_put_failure_rcu:
8448 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
8449 u32 seq, int flags, struct wiphy *wiphy,
8450 const struct ieee80211_regdomain *regdom)
8452 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8453 NL80211_CMD_GET_REG);
8458 genl_dump_check_consistent(cb, hdr);
8460 if (nl80211_put_regdom(regdom, msg))
8461 goto nla_put_failure;
8463 if (!wiphy && reg_last_request_cell_base() &&
8464 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8465 NL80211_USER_REG_HINT_CELL_BASE))
8466 goto nla_put_failure;
8469 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8470 goto nla_put_failure;
8472 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
8473 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
8474 goto nla_put_failure;
8476 genlmsg_end(msg, hdr);
8480 genlmsg_cancel(msg, hdr);
8484 static int nl80211_get_reg_dump(struct sk_buff *skb,
8485 struct netlink_callback *cb)
8487 const struct ieee80211_regdomain *regdom = NULL;
8488 struct cfg80211_registered_device *rdev;
8489 int err, reg_idx, start = cb->args[2];
8493 if (cfg80211_regdomain && start == 0) {
8494 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8496 rcu_dereference(cfg80211_regdomain));
8501 /* the global regdom is idx 0 */
8503 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
8504 regdom = get_wiphy_regdom(&rdev->wiphy);
8508 if (++reg_idx <= start)
8511 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8512 NLM_F_MULTI, &rdev->wiphy, regdom);
8519 cb->args[2] = reg_idx;
8526 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
8527 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
8528 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
8529 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
8530 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
8531 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
8532 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
8533 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
8534 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
8537 static int parse_reg_rule(struct nlattr *tb[],
8538 struct ieee80211_reg_rule *reg_rule)
8540 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
8541 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
8543 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
8545 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
8547 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
8549 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
8551 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
8554 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
8556 freq_range->start_freq_khz =
8557 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
8558 freq_range->end_freq_khz =
8559 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
8560 freq_range->max_bandwidth_khz =
8561 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
8563 power_rule->max_eirp =
8564 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
8566 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
8567 power_rule->max_antenna_gain =
8568 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
8570 if (tb[NL80211_ATTR_DFS_CAC_TIME])
8571 reg_rule->dfs_cac_ms =
8572 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
8577 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
8579 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
8580 struct nlattr *nl_reg_rule;
8582 int rem_reg_rules, r;
8583 u32 num_rules = 0, rule_idx = 0;
8584 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
8585 struct ieee80211_regdomain *rd;
8587 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8590 if (!info->attrs[NL80211_ATTR_REG_RULES])
8593 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8595 if (info->attrs[NL80211_ATTR_DFS_REGION])
8596 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
8598 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8601 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
8606 if (!reg_is_valid_request(alpha2)) {
8611 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
8617 rd->n_reg_rules = num_rules;
8618 rd->alpha2[0] = alpha2[0];
8619 rd->alpha2[1] = alpha2[1];
8622 * Disable DFS master mode if the DFS region was
8623 * not supported or known on this kernel.
8625 if (reg_supported_dfs_region(dfs_region))
8626 rd->dfs_region = dfs_region;
8628 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8630 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
8631 nl_reg_rule, reg_rule_policy,
8635 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
8641 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
8647 r = set_regdom(rd, REGD_SOURCE_CRDA);
8648 /* set_regdom takes ownership of rd */
8656 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
8658 static int validate_scan_freqs(struct nlattr *freqs)
8660 struct nlattr *attr1, *attr2;
8661 int n_channels = 0, tmp1, tmp2;
8663 nla_for_each_nested(attr1, freqs, tmp1)
8664 if (nla_len(attr1) != sizeof(u32))
8667 nla_for_each_nested(attr1, freqs, tmp1) {
8670 * Some hardware has a limited channel list for
8671 * scanning, and it is pretty much nonsensical
8672 * to scan for a channel twice, so disallow that
8673 * and don't require drivers to check that the
8674 * channel list they get isn't longer than what
8675 * they can scan, as long as they can scan all
8676 * the channels they registered at once.
8678 nla_for_each_nested(attr2, freqs, tmp2)
8679 if (attr1 != attr2 &&
8680 nla_get_u32(attr1) == nla_get_u32(attr2))
8687 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
8689 return b < NUM_NL80211_BANDS && wiphy->bands[b];
8692 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8693 struct cfg80211_bss_selection *bss_select)
8695 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8696 struct nlattr *nest;
8701 /* only process one nested attribute */
8702 nest = nla_data(nla);
8703 if (!nla_ok(nest, nla_len(nest)))
8706 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8707 nest, nl80211_bss_select_policy,
8712 /* only one attribute may be given */
8713 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8721 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8723 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8724 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8726 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8727 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8728 bss_select->param.band_pref =
8729 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8730 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8734 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8735 struct nl80211_bss_select_rssi_adjust *adj_param;
8737 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8738 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8739 bss_select->param.adjust.band = adj_param->band;
8740 bss_select->param.adjust.delta = adj_param->delta;
8741 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8745 /* user-space did not provide behaviour attribute */
8746 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8749 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8755 int nl80211_parse_random_mac(struct nlattr **attrs,
8756 u8 *mac_addr, u8 *mac_addr_mask)
8760 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
8761 eth_zero_addr(mac_addr);
8762 eth_zero_addr(mac_addr_mask);
8764 mac_addr_mask[0] = 0x3;
8769 /* need both or none */
8770 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8773 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8774 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8776 /* don't allow or configure an mcast address */
8777 if (!is_multicast_ether_addr(mac_addr_mask) ||
8778 is_multicast_ether_addr(mac_addr))
8782 * allow users to pass a MAC address that has bits set outside
8783 * of the mask, but don't bother drivers with having to deal
8786 for (i = 0; i < ETH_ALEN; i++)
8787 mac_addr[i] &= mac_addr_mask[i];
8792 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev,
8793 struct ieee80211_channel *chan)
8795 unsigned int link_id;
8798 ASSERT_WDEV_LOCK(wdev);
8800 if (!cfg80211_beaconing_iface_active(wdev))
8804 * FIXME: check if we have a free HW resource/link for chan
8806 * This, as well as the FIXME below, requires knowing the link
8807 * capabilities of the hardware.
8810 /* we cannot leave radar channels */
8811 for_each_valid_link(wdev, link_id) {
8812 struct cfg80211_chan_def *chandef;
8814 chandef = wdev_chandef(wdev, link_id);
8819 * FIXME: don't require all_ok, but rather check only the
8820 * correct HW resource/link onto which 'chan' falls,
8821 * as only that link leaves the channel for doing
8822 * the off-channel operation.
8825 if (chandef->chan->flags & IEEE80211_CHAN_RADAR)
8832 return regulatory_pre_cac_allowed(wdev->wiphy);
8835 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
8836 enum nl80211_ext_feature_index feat)
8838 if (!(flags & flag))
8840 if (wiphy_ext_feature_isset(wiphy, feat))
8846 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
8847 void *request, struct nlattr **attrs,
8850 u8 *mac_addr, *mac_addr_mask;
8852 enum nl80211_feature_flags randomness_flag;
8854 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
8857 if (is_sched_scan) {
8858 struct cfg80211_sched_scan_request *req = request;
8860 randomness_flag = wdev ?
8861 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8862 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8863 flags = &req->flags;
8864 mac_addr = req->mac_addr;
8865 mac_addr_mask = req->mac_addr_mask;
8867 struct cfg80211_scan_request *req = request;
8869 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8870 flags = &req->flags;
8871 mac_addr = req->mac_addr;
8872 mac_addr_mask = req->mac_addr_mask;
8875 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8877 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8878 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
8879 !nl80211_check_scan_feat(wiphy, *flags,
8880 NL80211_SCAN_FLAG_LOW_SPAN,
8881 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8882 !nl80211_check_scan_feat(wiphy, *flags,
8883 NL80211_SCAN_FLAG_LOW_POWER,
8884 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8885 !nl80211_check_scan_feat(wiphy, *flags,
8886 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8887 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8888 !nl80211_check_scan_feat(wiphy, *flags,
8889 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8890 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8891 !nl80211_check_scan_feat(wiphy, *flags,
8892 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8893 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8894 !nl80211_check_scan_feat(wiphy, *flags,
8895 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8896 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8897 !nl80211_check_scan_feat(wiphy, *flags,
8898 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
8899 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8900 !nl80211_check_scan_feat(wiphy, *flags,
8901 NL80211_SCAN_FLAG_RANDOM_SN,
8902 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8903 !nl80211_check_scan_feat(wiphy, *flags,
8904 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8905 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
8908 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
8911 if (!(wiphy->features & randomness_flag) ||
8912 (wdev && wdev->connected))
8915 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
8923 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
8925 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8926 struct wireless_dev *wdev = info->user_ptr[1];
8927 struct cfg80211_scan_request *request;
8928 struct nlattr *scan_freqs = NULL;
8929 bool scan_freqs_khz = false;
8930 struct nlattr *attr;
8931 struct wiphy *wiphy;
8932 int err, tmp, n_ssids = 0, n_channels, i;
8935 wiphy = &rdev->wiphy;
8937 if (wdev->iftype == NL80211_IFTYPE_NAN)
8940 if (!rdev->ops->scan)
8943 if (rdev->scan_req || rdev->scan_msg)
8946 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
8947 if (!wiphy_ext_feature_isset(wiphy,
8948 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
8950 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
8951 scan_freqs_khz = true;
8952 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
8953 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
8956 n_channels = validate_scan_freqs(scan_freqs);
8960 n_channels = ieee80211_get_num_supported_channels(wiphy);
8963 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
8964 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
8967 if (n_ssids > wiphy->max_scan_ssids)
8970 if (info->attrs[NL80211_ATTR_IE])
8971 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8975 if (ie_len > wiphy->max_scan_ie_len)
8978 request = kzalloc(sizeof(*request)
8979 + sizeof(*request->ssids) * n_ssids
8980 + sizeof(*request->channels) * n_channels
8981 + ie_len, GFP_KERNEL);
8986 request->ssids = (void *)&request->channels[n_channels];
8987 request->n_ssids = n_ssids;
8990 request->ie = (void *)(request->ssids + n_ssids);
8992 request->ie = (void *)(request->channels + n_channels);
8997 /* user specified, bail out if channel not found */
8998 nla_for_each_nested(attr, scan_freqs, tmp) {
8999 struct ieee80211_channel *chan;
9000 int freq = nla_get_u32(attr);
9002 if (!scan_freqs_khz)
9003 freq = MHZ_TO_KHZ(freq);
9005 chan = ieee80211_get_channel_khz(wiphy, freq);
9011 /* ignore disabled channels */
9012 if (chan->flags & IEEE80211_CHAN_DISABLED)
9015 request->channels[i] = chan;
9019 enum nl80211_band band;
9022 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9025 if (!wiphy->bands[band])
9027 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9028 struct ieee80211_channel *chan;
9030 chan = &wiphy->bands[band]->channels[j];
9032 if (chan->flags & IEEE80211_CHAN_DISABLED)
9035 request->channels[i] = chan;
9046 request->n_channels = i;
9049 for (i = 0; i < request->n_channels; i++) {
9050 struct ieee80211_channel *chan = request->channels[i];
9052 /* if we can go off-channel to the target channel we're good */
9053 if (cfg80211_off_channel_oper_allowed(wdev, chan))
9056 if (!cfg80211_wdev_on_sub_chan(wdev, chan, true)) {
9066 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
9067 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
9071 request->ssids[i].ssid_len = nla_len(attr);
9072 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
9077 if (info->attrs[NL80211_ATTR_IE]) {
9078 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9079 memcpy((void *)request->ie,
9080 nla_data(info->attrs[NL80211_ATTR_IE]),
9084 for (i = 0; i < NUM_NL80211_BANDS; i++)
9085 if (wiphy->bands[i])
9087 (1 << wiphy->bands[i]->n_bitrates) - 1;
9089 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
9090 nla_for_each_nested(attr,
9091 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
9093 enum nl80211_band band = nla_type(attr);
9095 if (band < 0 || band >= NUM_NL80211_BANDS) {
9100 if (!wiphy->bands[band])
9103 err = ieee80211_get_ratemask(wiphy->bands[band],
9106 &request->rates[band]);
9112 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
9114 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
9115 request->duration_mandatory =
9116 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
9119 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
9125 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
9127 /* Initial implementation used NL80211_ATTR_MAC to set the specific
9128 * BSSID to scan for. This was problematic because that same attribute
9129 * was already used for another purpose (local random MAC address). The
9130 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
9131 * compatibility with older userspace components, also use the
9132 * NL80211_ATTR_MAC value here if it can be determined to be used for
9133 * the specific BSSID use case instead of the random MAC address
9134 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
9136 if (info->attrs[NL80211_ATTR_BSSID])
9137 memcpy(request->bssid,
9138 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
9139 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
9140 info->attrs[NL80211_ATTR_MAC])
9141 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
9144 eth_broadcast_addr(request->bssid);
9146 request->wdev = wdev;
9147 request->wiphy = &rdev->wiphy;
9148 request->scan_start = jiffies;
9150 rdev->scan_req = request;
9151 err = cfg80211_scan(rdev);
9156 nl80211_send_scan_start(rdev, wdev);
9157 dev_hold(wdev->netdev);
9162 rdev->scan_req = NULL;
9168 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
9170 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9171 struct wireless_dev *wdev = info->user_ptr[1];
9173 if (!rdev->ops->abort_scan)
9179 if (!rdev->scan_req)
9182 rdev_abort_scan(rdev, wdev);
9187 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
9188 struct cfg80211_sched_scan_request *request,
9189 struct nlattr **attrs)
9191 int tmp, err, i = 0;
9192 struct nlattr *attr;
9194 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9198 * If scan plans are not specified,
9199 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
9200 * case one scan plan will be set with the specified scan
9201 * interval and infinite number of iterations.
9203 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
9207 request->scan_plans[0].interval =
9208 DIV_ROUND_UP(interval, MSEC_PER_SEC);
9209 if (!request->scan_plans[0].interval)
9212 if (request->scan_plans[0].interval >
9213 wiphy->max_sched_scan_plan_interval)
9214 request->scan_plans[0].interval =
9215 wiphy->max_sched_scan_plan_interval;
9220 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
9221 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
9223 if (WARN_ON(i >= n_plans))
9226 err = nla_parse_nested_deprecated(plan,
9227 NL80211_SCHED_SCAN_PLAN_MAX,
9228 attr, nl80211_plan_policy,
9233 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
9236 request->scan_plans[i].interval =
9237 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
9238 if (!request->scan_plans[i].interval ||
9239 request->scan_plans[i].interval >
9240 wiphy->max_sched_scan_plan_interval)
9243 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
9244 request->scan_plans[i].iterations =
9245 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
9246 if (!request->scan_plans[i].iterations ||
9247 (request->scan_plans[i].iterations >
9248 wiphy->max_sched_scan_plan_iterations))
9250 } else if (i < n_plans - 1) {
9252 * All scan plans but the last one must specify
9253 * a finite number of iterations
9262 * The last scan plan must not specify the number of
9263 * iterations, it is supposed to run infinitely
9265 if (request->scan_plans[n_plans - 1].iterations)
9272 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
9273 struct cfg80211_match_set *match_sets,
9274 struct nlattr *tb_band_rssi,
9277 struct nlattr *attr;
9278 int i, tmp, ret = 0;
9280 if (!wiphy_ext_feature_isset(wiphy,
9281 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
9285 for (i = 0; i < NUM_NL80211_BANDS; i++)
9286 match_sets->per_band_rssi_thold[i] =
9287 NL80211_SCAN_RSSI_THOLD_OFF;
9291 for (i = 0; i < NUM_NL80211_BANDS; i++)
9292 match_sets->per_band_rssi_thold[i] = rssi_thold;
9294 nla_for_each_nested(attr, tb_band_rssi, tmp) {
9295 enum nl80211_band band = nla_type(attr);
9297 if (band < 0 || band >= NUM_NL80211_BANDS)
9300 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
9306 static struct cfg80211_sched_scan_request *
9307 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
9308 struct nlattr **attrs, int max_match_sets)
9310 struct cfg80211_sched_scan_request *request;
9311 struct nlattr *attr;
9312 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
9313 enum nl80211_band band;
9315 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
9316 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
9318 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
9319 n_channels = validate_scan_freqs(
9320 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
9322 return ERR_PTR(-EINVAL);
9324 n_channels = ieee80211_get_num_supported_channels(wiphy);
9327 if (attrs[NL80211_ATTR_SCAN_SSIDS])
9328 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
9332 if (n_ssids > wiphy->max_sched_scan_ssids)
9333 return ERR_PTR(-EINVAL);
9336 * First, count the number of 'real' matchsets. Due to an issue with
9337 * the old implementation, matchsets containing only the RSSI attribute
9338 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
9339 * RSSI for all matchsets, rather than their own matchset for reporting
9340 * all APs with a strong RSSI. This is needed to be compatible with
9341 * older userspace that treated a matchset with only the RSSI as the
9342 * global RSSI for all other matchsets - if there are other matchsets.
9344 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
9345 nla_for_each_nested(attr,
9346 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
9348 struct nlattr *rssi;
9350 err = nla_parse_nested_deprecated(tb,
9351 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9353 nl80211_match_policy,
9356 return ERR_PTR(err);
9358 /* SSID and BSSID are mutually exclusive */
9359 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
9360 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
9361 return ERR_PTR(-EINVAL);
9363 /* add other standalone attributes here */
9364 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
9365 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
9369 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9371 default_match_rssi = nla_get_s32(rssi);
9375 /* However, if there's no other matchset, add the RSSI one */
9376 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
9379 if (n_match_sets > max_match_sets)
9380 return ERR_PTR(-EINVAL);
9382 if (attrs[NL80211_ATTR_IE])
9383 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
9387 if (ie_len > wiphy->max_sched_scan_ie_len)
9388 return ERR_PTR(-EINVAL);
9390 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9392 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
9393 * each scan plan already specifies its own interval
9395 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9396 return ERR_PTR(-EINVAL);
9398 nla_for_each_nested(attr,
9399 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
9403 * The scan interval attribute is kept for backward
9404 * compatibility. If no scan plans are specified and sched scan
9405 * interval is specified, one scan plan will be set with this
9406 * scan interval and infinite number of iterations.
9408 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9409 return ERR_PTR(-EINVAL);
9414 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
9415 return ERR_PTR(-EINVAL);
9417 if (!wiphy_ext_feature_isset(
9418 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
9419 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
9420 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
9421 return ERR_PTR(-EINVAL);
9423 request = kzalloc(sizeof(*request)
9424 + sizeof(*request->ssids) * n_ssids
9425 + sizeof(*request->match_sets) * n_match_sets
9426 + sizeof(*request->scan_plans) * n_plans
9427 + sizeof(*request->channels) * n_channels
9428 + ie_len, GFP_KERNEL);
9430 return ERR_PTR(-ENOMEM);
9433 request->ssids = (void *)&request->channels[n_channels];
9434 request->n_ssids = n_ssids;
9437 request->ie = (void *)(request->ssids + n_ssids);
9439 request->ie = (void *)(request->channels + n_channels);
9444 request->match_sets = (void *)(request->ie + ie_len);
9446 request->match_sets =
9447 (void *)(request->ssids + n_ssids);
9449 request->match_sets =
9450 (void *)(request->channels + n_channels);
9452 request->n_match_sets = n_match_sets;
9455 request->scan_plans = (void *)(request->match_sets +
9457 else if (request->ie)
9458 request->scan_plans = (void *)(request->ie + ie_len);
9460 request->scan_plans = (void *)(request->ssids + n_ssids);
9462 request->scan_plans = (void *)(request->channels + n_channels);
9464 request->n_scan_plans = n_plans;
9467 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
9468 /* user specified, bail out if channel not found */
9469 nla_for_each_nested(attr,
9470 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
9472 struct ieee80211_channel *chan;
9474 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
9481 /* ignore disabled channels */
9482 if (chan->flags & IEEE80211_CHAN_DISABLED)
9485 request->channels[i] = chan;
9490 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9493 if (!wiphy->bands[band])
9495 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9496 struct ieee80211_channel *chan;
9498 chan = &wiphy->bands[band]->channels[j];
9500 if (chan->flags & IEEE80211_CHAN_DISABLED)
9503 request->channels[i] = chan;
9514 request->n_channels = i;
9518 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
9520 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
9524 request->ssids[i].ssid_len = nla_len(attr);
9525 memcpy(request->ssids[i].ssid, nla_data(attr),
9532 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
9533 nla_for_each_nested(attr,
9534 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
9536 struct nlattr *ssid, *bssid, *rssi;
9538 err = nla_parse_nested_deprecated(tb,
9539 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9541 nl80211_match_policy,
9545 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
9546 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
9548 if (!ssid && !bssid) {
9553 if (WARN_ON(i >= n_match_sets)) {
9554 /* this indicates a programming error,
9555 * the loop above should have verified
9563 memcpy(request->match_sets[i].ssid.ssid,
9564 nla_data(ssid), nla_len(ssid));
9565 request->match_sets[i].ssid.ssid_len =
9569 memcpy(request->match_sets[i].bssid,
9570 nla_data(bssid), ETH_ALEN);
9572 /* special attribute - old implementation w/a */
9573 request->match_sets[i].rssi_thold = default_match_rssi;
9574 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9576 request->match_sets[i].rssi_thold =
9579 /* Parse per band RSSI attribute */
9580 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
9581 &request->match_sets[i],
9582 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
9583 request->match_sets[i].rssi_thold);
9590 /* there was no other matchset, so the RSSI one is alone */
9591 if (i == 0 && n_match_sets)
9592 request->match_sets[0].rssi_thold = default_match_rssi;
9594 request->min_rssi_thold = INT_MAX;
9595 for (i = 0; i < n_match_sets; i++)
9596 request->min_rssi_thold =
9597 min(request->match_sets[i].rssi_thold,
9598 request->min_rssi_thold);
9600 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
9604 request->ie_len = ie_len;
9605 memcpy((void *)request->ie,
9606 nla_data(attrs[NL80211_ATTR_IE]),
9610 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
9614 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
9616 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
9618 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
9619 request->relative_rssi = nla_get_s8(
9620 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
9621 request->relative_rssi_set = true;
9624 if (request->relative_rssi_set &&
9625 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
9626 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
9628 rssi_adjust = nla_data(
9629 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
9630 request->rssi_adjust.band = rssi_adjust->band;
9631 request->rssi_adjust.delta = rssi_adjust->delta;
9632 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
9638 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
9642 request->scan_start = jiffies;
9648 return ERR_PTR(err);
9651 static int nl80211_start_sched_scan(struct sk_buff *skb,
9652 struct genl_info *info)
9654 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9655 struct net_device *dev = info->user_ptr[1];
9656 struct wireless_dev *wdev = dev->ieee80211_ptr;
9657 struct cfg80211_sched_scan_request *sched_scan_req;
9661 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
9664 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
9665 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
9669 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
9671 rdev->wiphy.max_match_sets);
9673 err = PTR_ERR_OR_ZERO(sched_scan_req);
9677 /* leave request id zero for legacy request
9678 * or if driver does not support multi-scheduled scan
9680 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
9681 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
9683 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
9687 sched_scan_req->dev = dev;
9688 sched_scan_req->wiphy = &rdev->wiphy;
9690 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9691 sched_scan_req->owner_nlportid = info->snd_portid;
9693 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
9695 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
9699 kfree(sched_scan_req);
9704 static int nl80211_stop_sched_scan(struct sk_buff *skb,
9705 struct genl_info *info)
9707 struct cfg80211_sched_scan_request *req;
9708 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9711 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
9714 if (info->attrs[NL80211_ATTR_COOKIE]) {
9715 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9716 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9719 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9720 struct cfg80211_sched_scan_request,
9722 if (!req || req->reqid ||
9723 (req->owner_nlportid &&
9724 req->owner_nlportid != info->snd_portid))
9727 return cfg80211_stop_sched_scan_req(rdev, req, false);
9730 static int nl80211_start_radar_detection(struct sk_buff *skb,
9731 struct genl_info *info)
9733 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9734 struct net_device *dev = info->user_ptr[1];
9735 struct wireless_dev *wdev = dev->ieee80211_ptr;
9736 struct wiphy *wiphy = wdev->wiphy;
9737 struct cfg80211_chan_def chandef;
9738 enum nl80211_dfs_regions dfs_region;
9739 unsigned int cac_time_ms;
9742 flush_delayed_work(&rdev->dfs_update_channels_wk);
9746 dfs_region = reg_get_dfs_region(wiphy);
9747 if (dfs_region == NL80211_DFS_UNSET)
9750 err = nl80211_parse_chandef(rdev, info, &chandef);
9754 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9763 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) {
9768 if (nla_get_flag(info->attrs[NL80211_ATTR_RADAR_BACKGROUND])) {
9769 err = cfg80211_start_background_radar_detection(rdev, wdev,
9774 if (netif_carrier_ok(dev)) {
9779 if (wdev->cac_started) {
9784 /* CAC start is offloaded to HW and can't be started manually */
9785 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) {
9790 if (!rdev->ops->start_radar_detection) {
9795 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
9796 if (WARN_ON(!cac_time_ms))
9797 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
9799 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
9801 wdev->links[0].ap.chandef = chandef;
9802 wdev->cac_started = true;
9803 wdev->cac_start_time = jiffies;
9804 wdev->cac_time_ms = cac_time_ms;
9807 wiphy_unlock(wiphy);
9812 static int nl80211_notify_radar_detection(struct sk_buff *skb,
9813 struct genl_info *info)
9815 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9816 struct net_device *dev = info->user_ptr[1];
9817 struct wireless_dev *wdev = dev->ieee80211_ptr;
9818 struct wiphy *wiphy = wdev->wiphy;
9819 struct cfg80211_chan_def chandef;
9820 enum nl80211_dfs_regions dfs_region;
9823 dfs_region = reg_get_dfs_region(wiphy);
9824 if (dfs_region == NL80211_DFS_UNSET) {
9825 GENL_SET_ERR_MSG(info,
9826 "DFS Region is not set. Unexpected Radar indication");
9830 err = nl80211_parse_chandef(rdev, info, &chandef);
9832 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
9836 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9838 GENL_SET_ERR_MSG(info, "chandef is invalid");
9843 GENL_SET_ERR_MSG(info,
9844 "Unexpected Radar indication for chandef/iftype");
9848 /* Do not process this notification if radar is already detected
9849 * by kernel on this channel, and return success.
9851 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
9854 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
9856 cfg80211_sched_dfs_chan_update(rdev);
9858 rdev->radar_chandef = chandef;
9860 /* Propagate this notification to other radios as well */
9861 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
9866 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
9868 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9869 unsigned int link_id = nl80211_link_id(info->attrs);
9870 struct net_device *dev = info->user_ptr[1];
9871 struct wireless_dev *wdev = dev->ieee80211_ptr;
9872 struct cfg80211_csa_settings params;
9873 struct nlattr **csa_attrs = NULL;
9875 bool need_new_beacon = false;
9876 bool need_handle_dfs_flag = true;
9880 if (!rdev->ops->channel_switch ||
9881 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9884 switch (dev->ieee80211_ptr->iftype) {
9885 case NL80211_IFTYPE_AP:
9886 case NL80211_IFTYPE_P2P_GO:
9887 need_new_beacon = true;
9888 /* For all modes except AP the handle_dfs flag needs to be
9889 * supplied to tell the kernel that userspace will handle radar
9890 * events when they happen. Otherwise a switch to a channel
9891 * requiring DFS will be rejected.
9893 need_handle_dfs_flag = false;
9895 /* useless if AP is not running */
9896 if (!wdev->links[link_id].ap.beacon_interval)
9899 case NL80211_IFTYPE_ADHOC:
9900 if (!wdev->u.ibss.ssid_len)
9903 case NL80211_IFTYPE_MESH_POINT:
9904 if (!wdev->u.mesh.id_len)
9911 memset(¶ms, 0, sizeof(params));
9912 params.beacon_csa.ftm_responder = -1;
9914 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9915 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
9918 /* only important for AP, IBSS and mesh create IEs internally */
9919 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
9922 /* Even though the attribute is u32, the specification says
9923 * u8, so let's make sure we don't overflow.
9925 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
9929 params.count = cs_count;
9931 if (!need_new_beacon)
9934 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
9938 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
9945 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
9946 info->attrs[NL80211_ATTR_CSA_IES],
9947 nl80211_policy, info->extack);
9951 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
9955 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
9960 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9961 if (!len || (len % sizeof(u16))) {
9966 params.n_counter_offsets_beacon = len / sizeof(u16);
9967 if (rdev->wiphy.max_num_csa_counters &&
9968 (params.n_counter_offsets_beacon >
9969 rdev->wiphy.max_num_csa_counters)) {
9974 params.counter_offsets_beacon =
9975 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9977 /* sanity checks - counters should fit and be the same */
9978 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
9979 u16 offset = params.counter_offsets_beacon[i];
9981 if (offset >= params.beacon_csa.tail_len) {
9986 if (params.beacon_csa.tail[offset] != params.count) {
9992 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
9993 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9994 if (!len || (len % sizeof(u16))) {
9999 params.n_counter_offsets_presp = len / sizeof(u16);
10000 if (rdev->wiphy.max_num_csa_counters &&
10001 (params.n_counter_offsets_presp >
10002 rdev->wiphy.max_num_csa_counters)) {
10007 params.counter_offsets_presp =
10008 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
10010 /* sanity checks - counters should fit and be the same */
10011 for (i = 0; i < params.n_counter_offsets_presp; i++) {
10012 u16 offset = params.counter_offsets_presp[i];
10014 if (offset >= params.beacon_csa.probe_resp_len) {
10019 if (params.beacon_csa.probe_resp[offset] !=
10028 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
10032 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
10038 err = cfg80211_chandef_dfs_required(wdev->wiphy,
10045 params.radar_required = true;
10046 if (need_handle_dfs_flag &&
10047 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
10053 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
10054 params.block_tx = true;
10057 err = rdev_channel_switch(rdev, dev, ¶ms);
10061 kfree(params.beacon_after.mbssid_ies);
10062 kfree(params.beacon_csa.mbssid_ies);
10067 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
10068 u32 seq, int flags,
10069 struct cfg80211_registered_device *rdev,
10070 struct wireless_dev *wdev,
10071 struct cfg80211_internal_bss *intbss)
10073 struct cfg80211_bss *res = &intbss->pub;
10074 const struct cfg80211_bss_ies *ies;
10075 unsigned int link_id;
10077 struct nlattr *bss;
10079 ASSERT_WDEV_LOCK(wdev);
10081 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
10082 NL80211_CMD_NEW_SCAN_RESULTS);
10086 genl_dump_check_consistent(cb, hdr);
10088 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
10089 goto nla_put_failure;
10090 if (wdev->netdev &&
10091 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
10092 goto nla_put_failure;
10093 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
10095 goto nla_put_failure;
10097 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
10099 goto nla_put_failure;
10100 if ((!is_zero_ether_addr(res->bssid) &&
10101 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
10102 goto nla_put_failure;
10105 /* indicate whether we have probe response data or not */
10106 if (rcu_access_pointer(res->proberesp_ies) &&
10107 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
10108 goto fail_unlock_rcu;
10110 /* this pointer prefers to be pointed to probe response data
10111 * but is always valid
10113 ies = rcu_dereference(res->ies);
10115 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
10117 goto fail_unlock_rcu;
10118 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
10119 ies->len, ies->data))
10120 goto fail_unlock_rcu;
10123 /* and this pointer is always (unless driver didn't know) beacon data */
10124 ies = rcu_dereference(res->beacon_ies);
10125 if (ies && ies->from_beacon) {
10126 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
10128 goto fail_unlock_rcu;
10129 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
10130 ies->len, ies->data))
10131 goto fail_unlock_rcu;
10135 if (res->beacon_interval &&
10136 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
10137 goto nla_put_failure;
10138 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
10139 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
10140 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
10141 res->channel->freq_offset) ||
10142 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
10143 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
10144 jiffies_to_msecs(jiffies - intbss->ts)))
10145 goto nla_put_failure;
10147 if (intbss->parent_tsf &&
10148 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
10149 intbss->parent_tsf, NL80211_BSS_PAD) ||
10150 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
10151 intbss->parent_bssid)))
10152 goto nla_put_failure;
10154 if (intbss->ts_boottime &&
10155 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
10156 intbss->ts_boottime, NL80211_BSS_PAD))
10157 goto nla_put_failure;
10159 if (!nl80211_put_signal(msg, intbss->pub.chains,
10160 intbss->pub.chain_signal,
10161 NL80211_BSS_CHAIN_SIGNAL))
10162 goto nla_put_failure;
10164 switch (rdev->wiphy.signal_type) {
10165 case CFG80211_SIGNAL_TYPE_MBM:
10166 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
10167 goto nla_put_failure;
10169 case CFG80211_SIGNAL_TYPE_UNSPEC:
10170 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
10171 goto nla_put_failure;
10177 switch (wdev->iftype) {
10178 case NL80211_IFTYPE_P2P_CLIENT:
10179 case NL80211_IFTYPE_STATION:
10180 for_each_valid_link(wdev, link_id) {
10181 if (intbss == wdev->links[link_id].client.current_bss &&
10182 (nla_put_u32(msg, NL80211_BSS_STATUS,
10183 NL80211_BSS_STATUS_ASSOCIATED) ||
10184 (wdev->valid_links &&
10185 (nla_put_u8(msg, NL80211_BSS_MLO_LINK_ID,
10187 nla_put(msg, NL80211_BSS_MLD_ADDR, ETH_ALEN,
10188 wdev->u.client.connected_addr)))))
10189 goto nla_put_failure;
10192 case NL80211_IFTYPE_ADHOC:
10193 if (intbss == wdev->u.ibss.current_bss &&
10194 nla_put_u32(msg, NL80211_BSS_STATUS,
10195 NL80211_BSS_STATUS_IBSS_JOINED))
10196 goto nla_put_failure;
10202 nla_nest_end(msg, bss);
10204 genlmsg_end(msg, hdr);
10210 genlmsg_cancel(msg, hdr);
10214 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
10216 struct cfg80211_registered_device *rdev;
10217 struct cfg80211_internal_bss *scan;
10218 struct wireless_dev *wdev;
10219 int start = cb->args[2], idx = 0;
10222 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
10225 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10226 __acquire(&rdev->wiphy.mtx);
10229 spin_lock_bh(&rdev->bss_lock);
10232 * dump_scan will be called multiple times to break up the scan results
10233 * into multiple messages. It is unlikely that any more bss-es will be
10234 * expired after the first call, so only call only call this on the
10235 * first dump_scan invocation.
10238 cfg80211_bss_expire(rdev);
10240 cb->seq = rdev->bss_generation;
10242 list_for_each_entry(scan, &rdev->bss_list, list) {
10243 if (++idx <= start)
10245 if (nl80211_send_bss(skb, cb,
10246 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10247 rdev, wdev, scan) < 0) {
10253 spin_unlock_bh(&rdev->bss_lock);
10257 wiphy_unlock(&rdev->wiphy);
10262 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
10263 int flags, struct net_device *dev,
10264 bool allow_radio_stats,
10265 struct survey_info *survey)
10268 struct nlattr *infoattr;
10270 /* skip radio stats if userspace didn't request them */
10271 if (!survey->channel && !allow_radio_stats)
10274 hdr = nl80211hdr_put(msg, portid, seq, flags,
10275 NL80211_CMD_NEW_SURVEY_RESULTS);
10279 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
10280 goto nla_put_failure;
10282 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
10284 goto nla_put_failure;
10286 if (survey->channel &&
10287 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
10288 survey->channel->center_freq))
10289 goto nla_put_failure;
10291 if (survey->channel && survey->channel->freq_offset &&
10292 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
10293 survey->channel->freq_offset))
10294 goto nla_put_failure;
10296 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
10297 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
10298 goto nla_put_failure;
10299 if ((survey->filled & SURVEY_INFO_IN_USE) &&
10300 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
10301 goto nla_put_failure;
10302 if ((survey->filled & SURVEY_INFO_TIME) &&
10303 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
10304 survey->time, NL80211_SURVEY_INFO_PAD))
10305 goto nla_put_failure;
10306 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
10307 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
10308 survey->time_busy, NL80211_SURVEY_INFO_PAD))
10309 goto nla_put_failure;
10310 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
10311 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
10312 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
10313 goto nla_put_failure;
10314 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
10315 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
10316 survey->time_rx, NL80211_SURVEY_INFO_PAD))
10317 goto nla_put_failure;
10318 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
10319 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
10320 survey->time_tx, NL80211_SURVEY_INFO_PAD))
10321 goto nla_put_failure;
10322 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
10323 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
10324 survey->time_scan, NL80211_SURVEY_INFO_PAD))
10325 goto nla_put_failure;
10326 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
10327 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
10328 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
10329 goto nla_put_failure;
10331 nla_nest_end(msg, infoattr);
10333 genlmsg_end(msg, hdr);
10337 genlmsg_cancel(msg, hdr);
10341 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
10343 struct nlattr **attrbuf;
10344 struct survey_info survey;
10345 struct cfg80211_registered_device *rdev;
10346 struct wireless_dev *wdev;
10347 int survey_idx = cb->args[2];
10351 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
10355 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
10360 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10361 __acquire(&rdev->wiphy.mtx);
10363 /* prepare_wdev_dump parsed the attributes */
10364 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
10366 if (!wdev->netdev) {
10371 if (!rdev->ops->dump_survey) {
10378 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
10380 if (res == -ENOENT)
10385 /* don't send disabled channels, but do send non-channel data */
10386 if (survey.channel &&
10387 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
10392 if (nl80211_send_survey(skb,
10393 NETLINK_CB(cb->skb).portid,
10394 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10395 wdev->netdev, radio_stats, &survey) < 0)
10401 cb->args[2] = survey_idx;
10405 wiphy_unlock(&rdev->wiphy);
10409 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
10411 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
10412 NL80211_WPA_VERSION_2 |
10413 NL80211_WPA_VERSION_3));
10416 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
10418 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10419 struct net_device *dev = info->user_ptr[1];
10420 struct ieee80211_channel *chan;
10421 const u8 *bssid, *ssid;
10423 enum nl80211_auth_type auth_type;
10424 struct key_parse key;
10425 bool local_state_change;
10426 struct cfg80211_auth_request req = {};
10429 if (!info->attrs[NL80211_ATTR_MAC])
10432 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
10435 if (!info->attrs[NL80211_ATTR_SSID])
10438 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10441 err = nl80211_parse_key(info, &key);
10445 if (key.idx >= 0) {
10446 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
10448 if (!key.p.key || !key.p.key_len)
10450 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
10451 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
10452 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
10453 key.p.key_len != WLAN_KEY_LEN_WEP104))
10462 if (key.idx >= 0) {
10466 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
10467 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
10476 if (!rdev->ops->auth)
10477 return -EOPNOTSUPP;
10479 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10480 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10481 return -EOPNOTSUPP;
10483 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10484 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10485 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10487 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10489 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10493 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10494 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10496 if (info->attrs[NL80211_ATTR_IE]) {
10497 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10498 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10501 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10502 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
10505 if ((auth_type == NL80211_AUTHTYPE_SAE ||
10506 auth_type == NL80211_AUTHTYPE_FILS_SK ||
10507 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
10508 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
10509 !info->attrs[NL80211_ATTR_AUTH_DATA])
10512 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
10513 if (auth_type != NL80211_AUTHTYPE_SAE &&
10514 auth_type != NL80211_AUTHTYPE_FILS_SK &&
10515 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
10516 auth_type != NL80211_AUTHTYPE_FILS_PK)
10518 req.auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
10519 req.auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
10522 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10525 * Since we no longer track auth state, ignore
10526 * requests to only change local state.
10528 if (local_state_change)
10531 req.auth_type = auth_type;
10532 req.key = key.p.key;
10533 req.key_len = key.p.key_len;
10534 req.key_idx = key.idx;
10535 req.link_id = nl80211_link_id_or_invalid(info->attrs);
10536 if (req.link_id >= 0) {
10537 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
10539 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
10541 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
10544 req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
10545 IEEE80211_BSS_TYPE_ESS,
10546 IEEE80211_PRIVACY_ANY);
10550 wdev_lock(dev->ieee80211_ptr);
10551 err = cfg80211_mlme_auth(rdev, dev, &req);
10552 wdev_unlock(dev->ieee80211_ptr);
10554 cfg80211_put_bss(&rdev->wiphy, req.bss);
10559 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
10560 struct genl_info *info)
10562 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10563 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
10567 if (!rdev->ops->tx_control_port ||
10568 !wiphy_ext_feature_isset(&rdev->wiphy,
10569 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
10570 return -EOPNOTSUPP;
10575 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
10576 struct genl_info *info,
10577 struct cfg80211_crypto_settings *settings,
10580 memset(settings, 0, sizeof(*settings));
10582 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
10584 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
10587 proto = nla_get_u16(
10588 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
10589 settings->control_port_ethertype = cpu_to_be16(proto);
10590 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
10591 proto != ETH_P_PAE)
10593 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
10594 settings->control_port_no_encrypt = true;
10596 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
10598 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10599 int r = validate_pae_over_nl80211(rdev, info);
10604 settings->control_port_over_nl80211 = true;
10606 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
10607 settings->control_port_no_preauth = true;
10610 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
10614 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10615 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10616 settings->n_ciphers_pairwise = len / sizeof(u32);
10618 if (len % sizeof(u32))
10621 if (settings->n_ciphers_pairwise > cipher_limit)
10624 memcpy(settings->ciphers_pairwise, data, len);
10626 for (i = 0; i < settings->n_ciphers_pairwise; i++)
10627 if (!cfg80211_supported_cipher_suite(
10629 settings->ciphers_pairwise[i]))
10633 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
10634 settings->cipher_group =
10635 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
10636 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
10637 settings->cipher_group))
10641 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
10642 settings->wpa_versions =
10643 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
10644 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
10648 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
10652 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
10653 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
10654 settings->n_akm_suites = len / sizeof(u32);
10656 if (len % sizeof(u32))
10659 if (settings->n_akm_suites > rdev->wiphy.max_num_akm_suites)
10662 memcpy(settings->akm_suites, data, len);
10665 if (info->attrs[NL80211_ATTR_PMK]) {
10666 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
10668 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10669 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
10670 !wiphy_ext_feature_isset(&rdev->wiphy,
10671 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
10673 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10676 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
10677 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10678 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10679 !wiphy_ext_feature_isset(&rdev->wiphy,
10680 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
10682 settings->sae_pwd =
10683 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10684 settings->sae_pwd_len =
10685 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10688 if (info->attrs[NL80211_ATTR_SAE_PWE])
10689 settings->sae_pwe =
10690 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
10692 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
10697 static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device *rdev,
10698 const u8 *ssid, int ssid_len,
10699 struct nlattr **attrs,
10700 const u8 **bssid_out)
10702 struct ieee80211_channel *chan;
10703 struct cfg80211_bss *bss;
10707 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_WIPHY_FREQ])
10708 return ERR_PTR(-EINVAL);
10710 bssid = nla_data(attrs[NL80211_ATTR_MAC]);
10712 freq = MHZ_TO_KHZ(nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]));
10713 if (attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10714 freq += nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10716 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10718 return ERR_PTR(-EINVAL);
10720 bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid,
10722 IEEE80211_BSS_TYPE_ESS,
10723 IEEE80211_PRIVACY_ANY);
10725 return ERR_PTR(-ENOENT);
10727 *bssid_out = bssid;
10731 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
10733 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10734 struct net_device *dev = info->user_ptr[1];
10735 struct cfg80211_assoc_request req = {};
10736 struct nlattr **attrs = NULL;
10737 const u8 *bssid, *ssid;
10738 unsigned int link_id;
10741 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10742 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10745 if (!info->attrs[NL80211_ATTR_SSID])
10748 if (!rdev->ops->assoc)
10749 return -EOPNOTSUPP;
10751 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10752 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10753 return -EOPNOTSUPP;
10755 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10756 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10758 if (info->attrs[NL80211_ATTR_IE]) {
10759 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10760 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10762 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
10763 req.ie, req.ie_len)) {
10764 GENL_SET_ERR_MSG(info,
10765 "non-inheritance makes no sense");
10770 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10771 enum nl80211_mfp mfp =
10772 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10773 if (mfp == NL80211_MFP_REQUIRED)
10774 req.use_mfp = true;
10775 else if (mfp != NL80211_MFP_NO)
10779 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10780 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10782 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10783 req.flags |= ASSOC_REQ_DISABLE_HT;
10785 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10786 memcpy(&req.ht_capa_mask,
10787 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10788 sizeof(req.ht_capa_mask));
10790 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10791 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10793 memcpy(&req.ht_capa,
10794 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10795 sizeof(req.ht_capa));
10798 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10799 req.flags |= ASSOC_REQ_DISABLE_VHT;
10801 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10802 req.flags |= ASSOC_REQ_DISABLE_HE;
10804 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
10805 req.flags |= ASSOC_REQ_DISABLE_EHT;
10807 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10808 memcpy(&req.vht_capa_mask,
10809 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10810 sizeof(req.vht_capa_mask));
10812 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10813 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10815 memcpy(&req.vht_capa,
10816 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10817 sizeof(req.vht_capa));
10820 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10821 if (!((rdev->wiphy.features &
10822 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10823 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10824 !wiphy_ext_feature_isset(&rdev->wiphy,
10825 NL80211_EXT_FEATURE_RRM))
10827 req.flags |= ASSOC_REQ_USE_RRM;
10830 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
10831 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
10832 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
10833 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
10836 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
10839 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
10840 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
10842 memcpy(&req.s1g_capa_mask,
10843 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
10844 sizeof(req.s1g_capa_mask));
10847 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
10848 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
10850 memcpy(&req.s1g_capa,
10851 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
10852 sizeof(req.s1g_capa));
10855 req.link_id = nl80211_link_id_or_invalid(info->attrs);
10857 if (info->attrs[NL80211_ATTR_MLO_LINKS]) {
10858 unsigned int attrsize = NUM_NL80211_ATTR * sizeof(*attrs);
10859 struct nlattr *link;
10862 if (req.link_id < 0)
10865 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
10868 if (info->attrs[NL80211_ATTR_MAC] ||
10869 info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10870 !info->attrs[NL80211_ATTR_MLD_ADDR])
10873 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
10875 attrs = kzalloc(attrsize, GFP_KERNEL);
10879 nla_for_each_nested(link,
10880 info->attrs[NL80211_ATTR_MLO_LINKS],
10882 memset(attrs, 0, attrsize);
10884 nla_parse_nested(attrs, NL80211_ATTR_MAX,
10887 if (!attrs[NL80211_ATTR_MLO_LINK_ID]) {
10892 link_id = nla_get_u8(attrs[NL80211_ATTR_MLO_LINK_ID]);
10893 /* cannot use the same link ID again */
10894 if (req.links[link_id].bss) {
10898 req.links[link_id].bss =
10899 nl80211_assoc_bss(rdev, ssid, ssid_len, attrs,
10901 if (IS_ERR(req.links[link_id].bss)) {
10902 err = PTR_ERR(req.links[link_id].bss);
10903 req.links[link_id].bss = NULL;
10907 if (attrs[NL80211_ATTR_IE]) {
10908 req.links[link_id].elems =
10909 nla_data(attrs[NL80211_ATTR_IE]);
10910 req.links[link_id].elems_len =
10911 nla_len(attrs[NL80211_ATTR_IE]);
10913 if (cfg80211_find_elem(WLAN_EID_FRAGMENT,
10914 req.links[link_id].elems,
10915 req.links[link_id].elems_len)) {
10916 GENL_SET_ERR_MSG(info,
10917 "cannot deal with fragmentation");
10922 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
10923 req.links[link_id].elems,
10924 req.links[link_id].elems_len)) {
10925 GENL_SET_ERR_MSG(info,
10926 "cannot deal with non-inheritance");
10933 if (!req.links[req.link_id].bss) {
10938 if (req.links[req.link_id].elems_len) {
10939 GENL_SET_ERR_MSG(info,
10940 "cannot have per-link elems on assoc link");
10948 if (req.link_id >= 0)
10951 req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs,
10953 if (IS_ERR(req.bss))
10954 return PTR_ERR(req.bss);
10957 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
10959 wdev_lock(dev->ieee80211_ptr);
10961 err = cfg80211_mlme_assoc(rdev, dev, &req);
10963 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10964 dev->ieee80211_ptr->conn_owner_nlportid =
10966 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10970 wdev_unlock(dev->ieee80211_ptr);
10974 for (link_id = 0; link_id < ARRAY_SIZE(req.links); link_id++)
10975 cfg80211_put_bss(&rdev->wiphy, req.links[link_id].bss);
10976 cfg80211_put_bss(&rdev->wiphy, req.bss);
10982 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
10984 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10985 struct net_device *dev = info->user_ptr[1];
10986 const u8 *ie = NULL, *bssid;
10987 int ie_len = 0, err;
10989 bool local_state_change;
10991 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10992 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10995 if (!info->attrs[NL80211_ATTR_MAC])
10998 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11001 if (!rdev->ops->deauth)
11002 return -EOPNOTSUPP;
11004 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11005 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11006 return -EOPNOTSUPP;
11008 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11010 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11011 if (reason_code == 0) {
11012 /* Reason Code 0 is reserved */
11016 if (info->attrs[NL80211_ATTR_IE]) {
11017 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11018 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11021 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11023 wdev_lock(dev->ieee80211_ptr);
11024 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
11025 local_state_change);
11026 wdev_unlock(dev->ieee80211_ptr);
11030 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
11032 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11033 struct net_device *dev = info->user_ptr[1];
11034 const u8 *ie = NULL, *bssid;
11035 int ie_len = 0, err;
11037 bool local_state_change;
11039 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11040 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11043 if (!info->attrs[NL80211_ATTR_MAC])
11046 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11049 if (!rdev->ops->disassoc)
11050 return -EOPNOTSUPP;
11052 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11053 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11054 return -EOPNOTSUPP;
11056 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11058 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11059 if (reason_code == 0) {
11060 /* Reason Code 0 is reserved */
11064 if (info->attrs[NL80211_ATTR_IE]) {
11065 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11066 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11069 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11071 wdev_lock(dev->ieee80211_ptr);
11072 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
11073 local_state_change);
11074 wdev_unlock(dev->ieee80211_ptr);
11079 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
11080 int mcast_rate[NUM_NL80211_BANDS],
11083 struct wiphy *wiphy = &rdev->wiphy;
11084 bool found = false;
11087 for (band = 0; band < NUM_NL80211_BANDS; band++) {
11088 struct ieee80211_supported_band *sband;
11090 sband = wiphy->bands[band];
11094 for (i = 0; i < sband->n_bitrates; i++) {
11095 if (sband->bitrates[i].bitrate == rateval) {
11096 mcast_rate[band] = i + 1;
11106 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
11108 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11109 struct net_device *dev = info->user_ptr[1];
11110 struct cfg80211_ibss_params ibss;
11111 struct wiphy *wiphy;
11112 struct cfg80211_cached_keys *connkeys = NULL;
11115 memset(&ibss, 0, sizeof(ibss));
11117 if (!info->attrs[NL80211_ATTR_SSID] ||
11118 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11121 ibss.beacon_interval = 100;
11123 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
11124 ibss.beacon_interval =
11125 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11127 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
11128 ibss.beacon_interval);
11132 if (!rdev->ops->join_ibss)
11133 return -EOPNOTSUPP;
11135 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11136 return -EOPNOTSUPP;
11138 wiphy = &rdev->wiphy;
11140 if (info->attrs[NL80211_ATTR_MAC]) {
11141 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11143 if (!is_valid_ether_addr(ibss.bssid))
11146 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11147 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11149 if (info->attrs[NL80211_ATTR_IE]) {
11150 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11151 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11154 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
11158 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
11159 NL80211_IFTYPE_ADHOC))
11162 switch (ibss.chandef.width) {
11163 case NL80211_CHAN_WIDTH_5:
11164 case NL80211_CHAN_WIDTH_10:
11165 case NL80211_CHAN_WIDTH_20_NOHT:
11167 case NL80211_CHAN_WIDTH_20:
11168 case NL80211_CHAN_WIDTH_40:
11169 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11172 case NL80211_CHAN_WIDTH_80:
11173 case NL80211_CHAN_WIDTH_80P80:
11174 case NL80211_CHAN_WIDTH_160:
11175 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11177 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11178 NL80211_EXT_FEATURE_VHT_IBSS))
11181 case NL80211_CHAN_WIDTH_320:
11187 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
11188 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
11190 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11192 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11194 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11195 struct ieee80211_supported_band *sband =
11196 wiphy->bands[ibss.chandef.chan->band];
11198 err = ieee80211_get_ratemask(sband, rates, n_rates,
11199 &ibss.basic_rates);
11204 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11205 memcpy(&ibss.ht_capa_mask,
11206 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11207 sizeof(ibss.ht_capa_mask));
11209 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11210 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11212 memcpy(&ibss.ht_capa,
11213 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11214 sizeof(ibss.ht_capa));
11217 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11218 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
11219 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11222 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
11223 bool no_ht = false;
11225 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
11226 if (IS_ERR(connkeys))
11227 return PTR_ERR(connkeys);
11229 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
11231 kfree_sensitive(connkeys);
11236 ibss.control_port =
11237 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
11239 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11240 int r = validate_pae_over_nl80211(rdev, info);
11243 kfree_sensitive(connkeys);
11247 ibss.control_port_over_nl80211 = true;
11250 ibss.userspace_handles_dfs =
11251 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11253 wdev_lock(dev->ieee80211_ptr);
11254 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
11256 kfree_sensitive(connkeys);
11257 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
11258 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11259 wdev_unlock(dev->ieee80211_ptr);
11264 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
11266 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11267 struct net_device *dev = info->user_ptr[1];
11269 if (!rdev->ops->leave_ibss)
11270 return -EOPNOTSUPP;
11272 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11273 return -EOPNOTSUPP;
11275 return cfg80211_leave_ibss(rdev, dev, false);
11278 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
11280 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11281 struct net_device *dev = info->user_ptr[1];
11282 int mcast_rate[NUM_NL80211_BANDS];
11285 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
11286 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
11287 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
11288 return -EOPNOTSUPP;
11290 if (!rdev->ops->set_mcast_rate)
11291 return -EOPNOTSUPP;
11293 memset(mcast_rate, 0, sizeof(mcast_rate));
11295 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
11298 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
11299 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
11302 return rdev_set_mcast_rate(rdev, dev, mcast_rate);
11305 static struct sk_buff *
11306 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
11307 struct wireless_dev *wdev, int approxlen,
11308 u32 portid, u32 seq, enum nl80211_commands cmd,
11309 enum nl80211_attrs attr,
11310 const struct nl80211_vendor_cmd_info *info,
11313 struct sk_buff *skb;
11315 struct nlattr *data;
11317 skb = nlmsg_new(approxlen + 100, gfp);
11321 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
11327 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
11328 goto nla_put_failure;
11331 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
11333 goto nla_put_failure;
11334 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
11336 goto nla_put_failure;
11340 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
11341 wdev_id(wdev), NL80211_ATTR_PAD))
11342 goto nla_put_failure;
11343 if (wdev->netdev &&
11344 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
11345 wdev->netdev->ifindex))
11346 goto nla_put_failure;
11349 data = nla_nest_start_noflag(skb, attr);
11351 goto nla_put_failure;
11353 ((void **)skb->cb)[0] = rdev;
11354 ((void **)skb->cb)[1] = hdr;
11355 ((void **)skb->cb)[2] = data;
11364 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
11365 struct wireless_dev *wdev,
11366 enum nl80211_commands cmd,
11367 enum nl80211_attrs attr,
11368 unsigned int portid,
11369 int vendor_event_idx,
11370 int approxlen, gfp_t gfp)
11372 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11373 const struct nl80211_vendor_cmd_info *info;
11376 case NL80211_CMD_TESTMODE:
11377 if (WARN_ON(vendor_event_idx != -1))
11381 case NL80211_CMD_VENDOR:
11382 if (WARN_ON(vendor_event_idx < 0 ||
11383 vendor_event_idx >= wiphy->n_vendor_events))
11385 info = &wiphy->vendor_events[vendor_event_idx];
11392 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
11393 cmd, attr, info, gfp);
11395 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
11397 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
11399 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
11400 void *hdr = ((void **)skb->cb)[1];
11401 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
11402 struct nlattr *data = ((void **)skb->cb)[2];
11403 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
11405 /* clear CB data for netlink core to own from now on */
11406 memset(skb->cb, 0, sizeof(skb->cb));
11408 nla_nest_end(skb, data);
11409 genlmsg_end(skb, hdr);
11411 if (nlhdr->nlmsg_pid) {
11412 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
11415 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
11416 mcgrp = NL80211_MCGRP_VENDOR;
11418 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11419 skb, 0, mcgrp, gfp);
11422 EXPORT_SYMBOL(__cfg80211_send_event_skb);
11424 #ifdef CONFIG_NL80211_TESTMODE
11425 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
11427 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11428 struct wireless_dev *wdev;
11431 lockdep_assert_held(&rdev->wiphy.mtx);
11433 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
11436 if (!rdev->ops->testmode_cmd)
11437 return -EOPNOTSUPP;
11439 if (IS_ERR(wdev)) {
11440 err = PTR_ERR(wdev);
11441 if (err != -EINVAL)
11444 } else if (wdev->wiphy != &rdev->wiphy) {
11448 if (!info->attrs[NL80211_ATTR_TESTDATA])
11451 rdev->cur_cmd_info = info;
11452 err = rdev_testmode_cmd(rdev, wdev,
11453 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
11454 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
11455 rdev->cur_cmd_info = NULL;
11460 static int nl80211_testmode_dump(struct sk_buff *skb,
11461 struct netlink_callback *cb)
11463 struct cfg80211_registered_device *rdev;
11464 struct nlattr **attrbuf = NULL;
11474 * 0 is a valid index, but not valid for args[0],
11475 * so we need to offset by 1.
11477 phy_idx = cb->args[0] - 1;
11479 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
11485 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
11492 err = nlmsg_parse_deprecated(cb->nlh,
11493 GENL_HDRLEN + nl80211_fam.hdrsize,
11494 attrbuf, nl80211_fam.maxattr,
11495 nl80211_policy, NULL);
11499 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
11500 if (IS_ERR(rdev)) {
11501 err = PTR_ERR(rdev);
11504 phy_idx = rdev->wiphy_idx;
11506 if (attrbuf[NL80211_ATTR_TESTDATA])
11507 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
11511 data = nla_data((void *)cb->args[1]);
11512 data_len = nla_len((void *)cb->args[1]);
11515 if (!rdev->ops->testmode_dump) {
11521 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
11522 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11523 NL80211_CMD_TESTMODE);
11524 struct nlattr *tmdata;
11529 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
11530 genlmsg_cancel(skb, hdr);
11534 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
11536 genlmsg_cancel(skb, hdr);
11539 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
11540 nla_nest_end(skb, tmdata);
11542 if (err == -ENOBUFS || err == -ENOENT) {
11543 genlmsg_cancel(skb, hdr);
11546 genlmsg_cancel(skb, hdr);
11550 genlmsg_end(skb, hdr);
11555 cb->args[0] = phy_idx + 1;
11563 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
11565 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11566 struct net_device *dev = info->user_ptr[1];
11567 struct cfg80211_connect_params connect;
11568 struct wiphy *wiphy;
11569 struct cfg80211_cached_keys *connkeys = NULL;
11573 memset(&connect, 0, sizeof(connect));
11575 if (!info->attrs[NL80211_ATTR_SSID] ||
11576 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11579 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11580 connect.auth_type =
11581 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11582 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
11583 NL80211_CMD_CONNECT))
11586 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
11588 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
11590 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
11591 !wiphy_ext_feature_isset(&rdev->wiphy,
11592 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
11594 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
11596 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
11597 NL80211_MAX_NR_CIPHER_SUITES);
11601 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11602 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11603 return -EOPNOTSUPP;
11605 wiphy = &rdev->wiphy;
11607 connect.bg_scan_period = -1;
11608 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
11609 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
11610 connect.bg_scan_period =
11611 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
11614 if (info->attrs[NL80211_ATTR_MAC])
11615 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11616 else if (info->attrs[NL80211_ATTR_MAC_HINT])
11617 connect.bssid_hint =
11618 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
11619 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11620 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11622 if (info->attrs[NL80211_ATTR_IE]) {
11623 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11624 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11627 if (info->attrs[NL80211_ATTR_USE_MFP]) {
11628 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
11629 if (connect.mfp == NL80211_MFP_OPTIONAL &&
11630 !wiphy_ext_feature_isset(&rdev->wiphy,
11631 NL80211_EXT_FEATURE_MFP_OPTIONAL))
11632 return -EOPNOTSUPP;
11634 connect.mfp = NL80211_MFP_NO;
11637 if (info->attrs[NL80211_ATTR_PREV_BSSID])
11638 connect.prev_bssid =
11639 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
11641 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
11642 freq = MHZ_TO_KHZ(nla_get_u32(
11643 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
11644 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
11646 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
11649 connect.channel = nl80211_get_valid_chan(wiphy, freq);
11650 if (!connect.channel)
11652 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
11653 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
11654 freq = MHZ_TO_KHZ(freq);
11655 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
11656 if (!connect.channel_hint)
11660 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
11661 connect.edmg.channels =
11662 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
11664 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
11665 connect.edmg.bw_config =
11666 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
11669 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
11670 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
11671 if (IS_ERR(connkeys))
11672 return PTR_ERR(connkeys);
11675 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
11676 connect.flags |= ASSOC_REQ_DISABLE_HT;
11678 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11679 memcpy(&connect.ht_capa_mask,
11680 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11681 sizeof(connect.ht_capa_mask));
11683 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11684 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
11685 kfree_sensitive(connkeys);
11688 memcpy(&connect.ht_capa,
11689 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11690 sizeof(connect.ht_capa));
11693 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
11694 connect.flags |= ASSOC_REQ_DISABLE_VHT;
11696 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
11697 connect.flags |= ASSOC_REQ_DISABLE_HE;
11699 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
11700 connect.flags |= ASSOC_REQ_DISABLE_EHT;
11702 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11703 memcpy(&connect.vht_capa_mask,
11704 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
11705 sizeof(connect.vht_capa_mask));
11707 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
11708 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
11709 kfree_sensitive(connkeys);
11712 memcpy(&connect.vht_capa,
11713 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
11714 sizeof(connect.vht_capa));
11717 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
11718 if (!((rdev->wiphy.features &
11719 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
11720 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
11721 !wiphy_ext_feature_isset(&rdev->wiphy,
11722 NL80211_EXT_FEATURE_RRM)) {
11723 kfree_sensitive(connkeys);
11726 connect.flags |= ASSOC_REQ_USE_RRM;
11729 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
11730 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
11731 kfree_sensitive(connkeys);
11732 return -EOPNOTSUPP;
11735 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
11736 /* bss selection makes no sense if bssid is set */
11737 if (connect.bssid) {
11738 kfree_sensitive(connkeys);
11742 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
11743 wiphy, &connect.bss_select);
11745 kfree_sensitive(connkeys);
11750 if (wiphy_ext_feature_isset(&rdev->wiphy,
11751 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
11752 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
11753 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
11754 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
11755 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11756 connect.fils_erp_username =
11757 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11758 connect.fils_erp_username_len =
11759 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11760 connect.fils_erp_realm =
11761 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11762 connect.fils_erp_realm_len =
11763 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11764 connect.fils_erp_next_seq_num =
11766 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
11767 connect.fils_erp_rrk =
11768 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11769 connect.fils_erp_rrk_len =
11770 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11771 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
11772 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
11773 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
11774 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11775 kfree_sensitive(connkeys);
11779 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
11780 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11781 kfree_sensitive(connkeys);
11782 GENL_SET_ERR_MSG(info,
11783 "external auth requires connection ownership");
11786 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
11789 if (nla_get_flag(info->attrs[NL80211_ATTR_MLO_SUPPORT]))
11790 connect.flags |= CONNECT_REQ_MLO_SUPPORT;
11792 wdev_lock(dev->ieee80211_ptr);
11794 err = cfg80211_connect(rdev, dev, &connect, connkeys,
11795 connect.prev_bssid);
11797 kfree_sensitive(connkeys);
11799 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11800 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11802 memcpy(dev->ieee80211_ptr->disconnect_bssid,
11803 connect.bssid, ETH_ALEN);
11805 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
11808 wdev_unlock(dev->ieee80211_ptr);
11813 static int nl80211_update_connect_params(struct sk_buff *skb,
11814 struct genl_info *info)
11816 struct cfg80211_connect_params connect = {};
11817 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11818 struct net_device *dev = info->user_ptr[1];
11819 struct wireless_dev *wdev = dev->ieee80211_ptr;
11820 bool fils_sk_offload;
11825 if (!rdev->ops->update_connect_params)
11826 return -EOPNOTSUPP;
11828 if (info->attrs[NL80211_ATTR_IE]) {
11829 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11830 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11831 changed |= UPDATE_ASSOC_IES;
11834 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
11835 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
11838 * when driver supports fils-sk offload all attributes must be
11839 * provided. So the else covers "fils-sk-not-all" and
11840 * "no-fils-sk-any".
11842 if (fils_sk_offload &&
11843 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
11844 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
11845 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
11846 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11847 connect.fils_erp_username =
11848 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11849 connect.fils_erp_username_len =
11850 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11851 connect.fils_erp_realm =
11852 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11853 connect.fils_erp_realm_len =
11854 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11855 connect.fils_erp_next_seq_num =
11857 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
11858 connect.fils_erp_rrk =
11859 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11860 connect.fils_erp_rrk_len =
11861 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11862 changed |= UPDATE_FILS_ERP_INFO;
11863 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
11864 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
11865 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
11866 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11870 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11871 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11872 if (!nl80211_valid_auth_type(rdev, auth_type,
11873 NL80211_CMD_CONNECT))
11876 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
11877 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
11880 connect.auth_type = auth_type;
11881 changed |= UPDATE_AUTH_TYPE;
11884 wdev_lock(dev->ieee80211_ptr);
11885 if (!wdev->connected)
11888 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
11889 wdev_unlock(dev->ieee80211_ptr);
11894 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
11896 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11897 struct net_device *dev = info->user_ptr[1];
11901 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11902 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11905 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11906 reason = WLAN_REASON_DEAUTH_LEAVING;
11908 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11913 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11914 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11915 return -EOPNOTSUPP;
11917 wdev_lock(dev->ieee80211_ptr);
11918 ret = cfg80211_disconnect(rdev, dev, reason, true);
11919 wdev_unlock(dev->ieee80211_ptr);
11923 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
11925 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11929 if (info->attrs[NL80211_ATTR_PID]) {
11930 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
11932 net = get_net_ns_by_pid(pid);
11933 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
11934 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
11936 net = get_net_ns_by_fd(fd);
11942 return PTR_ERR(net);
11946 /* check if anything to do */
11947 if (!net_eq(wiphy_net(&rdev->wiphy), net))
11948 err = cfg80211_switch_netns(rdev, net);
11954 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
11956 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11957 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
11958 struct cfg80211_pmksa *pmksa) = NULL;
11959 struct net_device *dev = info->user_ptr[1];
11960 struct cfg80211_pmksa pmksa;
11962 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
11964 if (!info->attrs[NL80211_ATTR_PMKID])
11967 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
11969 if (info->attrs[NL80211_ATTR_MAC]) {
11970 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11971 } else if (info->attrs[NL80211_ATTR_SSID] &&
11972 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
11973 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
11974 info->attrs[NL80211_ATTR_PMK])) {
11975 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11976 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11978 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
11982 if (info->attrs[NL80211_ATTR_PMK]) {
11983 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
11984 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
11987 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
11988 pmksa.pmk_lifetime =
11989 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
11991 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
11992 pmksa.pmk_reauth_threshold =
11994 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
11996 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11997 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
11998 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
11999 wiphy_ext_feature_isset(&rdev->wiphy,
12000 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
12001 return -EOPNOTSUPP;
12003 switch (info->genlhdr->cmd) {
12004 case NL80211_CMD_SET_PMKSA:
12005 rdev_ops = rdev->ops->set_pmksa;
12007 case NL80211_CMD_DEL_PMKSA:
12008 rdev_ops = rdev->ops->del_pmksa;
12016 return -EOPNOTSUPP;
12018 return rdev_ops(&rdev->wiphy, dev, &pmksa);
12021 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
12023 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12024 struct net_device *dev = info->user_ptr[1];
12026 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12027 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12028 return -EOPNOTSUPP;
12030 if (!rdev->ops->flush_pmksa)
12031 return -EOPNOTSUPP;
12033 return rdev_flush_pmksa(rdev, dev);
12036 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
12038 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12039 struct net_device *dev = info->user_ptr[1];
12040 u8 action_code, dialog_token;
12041 u32 peer_capability = 0;
12046 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12047 !rdev->ops->tdls_mgmt)
12048 return -EOPNOTSUPP;
12050 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
12051 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
12052 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
12053 !info->attrs[NL80211_ATTR_IE] ||
12054 !info->attrs[NL80211_ATTR_MAC])
12057 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12058 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
12059 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
12060 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
12061 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
12062 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
12064 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
12066 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
12067 dialog_token, status_code, peer_capability,
12069 nla_data(info->attrs[NL80211_ATTR_IE]),
12070 nla_len(info->attrs[NL80211_ATTR_IE]));
12073 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
12075 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12076 struct net_device *dev = info->user_ptr[1];
12077 enum nl80211_tdls_operation operation;
12080 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12081 !rdev->ops->tdls_oper)
12082 return -EOPNOTSUPP;
12084 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
12085 !info->attrs[NL80211_ATTR_MAC])
12088 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
12089 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12091 return rdev_tdls_oper(rdev, dev, peer, operation);
12094 static int nl80211_remain_on_channel(struct sk_buff *skb,
12095 struct genl_info *info)
12097 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12098 unsigned int link_id = nl80211_link_id(info->attrs);
12099 struct wireless_dev *wdev = info->user_ptr[1];
12100 struct cfg80211_chan_def chandef;
12101 struct sk_buff *msg;
12107 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
12108 !info->attrs[NL80211_ATTR_DURATION])
12111 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12113 if (!rdev->ops->remain_on_channel ||
12114 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
12115 return -EOPNOTSUPP;
12118 * We should be on that channel for at least a minimum amount of
12119 * time (10ms) but no longer than the driver supports.
12121 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12122 duration > rdev->wiphy.max_remain_on_channel_duration)
12125 err = nl80211_parse_chandef(rdev, info, &chandef);
12130 if (!cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
12131 const struct cfg80211_chan_def *oper_chandef, *compat_chandef;
12133 oper_chandef = wdev_chandef(wdev, link_id);
12135 if (WARN_ON(!oper_chandef)) {
12136 /* cannot happen since we must beacon to get here */
12142 /* note: returns first one if identical chandefs */
12143 compat_chandef = cfg80211_chandef_compatible(&chandef,
12146 if (compat_chandef != &chandef) {
12153 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12157 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12158 NL80211_CMD_REMAIN_ON_CHANNEL);
12164 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
12165 duration, &cookie);
12170 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12172 goto nla_put_failure;
12174 genlmsg_end(msg, hdr);
12176 return genlmsg_reply(msg, info);
12185 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
12186 struct genl_info *info)
12188 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12189 struct wireless_dev *wdev = info->user_ptr[1];
12192 if (!info->attrs[NL80211_ATTR_COOKIE])
12195 if (!rdev->ops->cancel_remain_on_channel)
12196 return -EOPNOTSUPP;
12198 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12200 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
12203 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
12204 struct genl_info *info)
12206 struct cfg80211_bitrate_mask mask;
12207 unsigned int link_id = nl80211_link_id(info->attrs);
12208 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12209 struct net_device *dev = info->user_ptr[1];
12210 struct wireless_dev *wdev = dev->ieee80211_ptr;
12213 if (!rdev->ops->set_bitrate_mask)
12214 return -EOPNOTSUPP;
12217 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
12218 NL80211_ATTR_TX_RATES, &mask,
12219 dev, true, link_id);
12223 err = rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
12229 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
12231 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12232 struct wireless_dev *wdev = info->user_ptr[1];
12233 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
12235 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
12238 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
12239 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
12241 switch (wdev->iftype) {
12242 case NL80211_IFTYPE_STATION:
12243 case NL80211_IFTYPE_ADHOC:
12244 case NL80211_IFTYPE_P2P_CLIENT:
12245 case NL80211_IFTYPE_AP:
12246 case NL80211_IFTYPE_AP_VLAN:
12247 case NL80211_IFTYPE_MESH_POINT:
12248 case NL80211_IFTYPE_P2P_GO:
12249 case NL80211_IFTYPE_P2P_DEVICE:
12251 case NL80211_IFTYPE_NAN:
12253 return -EOPNOTSUPP;
12256 /* not much point in registering if we can't reply */
12257 if (!rdev->ops->mgmt_tx)
12258 return -EOPNOTSUPP;
12260 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
12261 !wiphy_ext_feature_isset(&rdev->wiphy,
12262 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
12263 GENL_SET_ERR_MSG(info,
12264 "multicast RX registrations are not supported");
12265 return -EOPNOTSUPP;
12268 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
12269 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12270 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12271 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
12275 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
12277 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12278 struct wireless_dev *wdev = info->user_ptr[1];
12279 struct cfg80211_chan_def chandef;
12283 struct sk_buff *msg = NULL;
12284 struct cfg80211_mgmt_tx_params params = {
12285 .dont_wait_for_ack =
12286 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
12289 if (!info->attrs[NL80211_ATTR_FRAME])
12292 if (!rdev->ops->mgmt_tx)
12293 return -EOPNOTSUPP;
12295 switch (wdev->iftype) {
12296 case NL80211_IFTYPE_P2P_DEVICE:
12297 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
12300 case NL80211_IFTYPE_STATION:
12301 case NL80211_IFTYPE_ADHOC:
12302 case NL80211_IFTYPE_P2P_CLIENT:
12303 case NL80211_IFTYPE_AP:
12304 case NL80211_IFTYPE_AP_VLAN:
12305 case NL80211_IFTYPE_MESH_POINT:
12306 case NL80211_IFTYPE_P2P_GO:
12308 case NL80211_IFTYPE_NAN:
12310 return -EOPNOTSUPP;
12313 if (info->attrs[NL80211_ATTR_DURATION]) {
12314 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
12316 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12319 * We should wait on the channel for at least a minimum amount
12320 * of time (10ms) but no longer than the driver supports.
12322 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12323 params.wait > rdev->wiphy.max_remain_on_channel_duration)
12327 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
12329 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
12332 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
12334 /* get the channel if any has been specified, otherwise pass NULL to
12335 * the driver. The latter will use the current one
12337 chandef.chan = NULL;
12338 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
12339 err = nl80211_parse_chandef(rdev, info, &chandef);
12344 if (!chandef.chan && params.offchan)
12348 if (params.offchan &&
12349 !cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
12354 params.link_id = nl80211_link_id_or_invalid(info->attrs);
12356 * This now races due to the unlock, but we cannot check
12357 * the valid links for the _station_ anyway, so that's up
12360 if (params.link_id >= 0 &&
12361 !(wdev->valid_links & BIT(params.link_id))) {
12367 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
12368 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
12370 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
12371 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12374 if (len % sizeof(u16))
12377 params.n_csa_offsets = len / sizeof(u16);
12378 params.csa_offsets =
12379 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12381 /* check that all the offsets fit the frame */
12382 for (i = 0; i < params.n_csa_offsets; i++) {
12383 if (params.csa_offsets[i] >= params.len)
12388 if (!params.dont_wait_for_ack) {
12389 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12393 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12394 NL80211_CMD_FRAME);
12401 params.chan = chandef.chan;
12402 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
12407 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12409 goto nla_put_failure;
12411 genlmsg_end(msg, hdr);
12412 return genlmsg_reply(msg, info);
12424 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
12426 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12427 struct wireless_dev *wdev = info->user_ptr[1];
12430 if (!info->attrs[NL80211_ATTR_COOKIE])
12433 if (!rdev->ops->mgmt_tx_cancel_wait)
12434 return -EOPNOTSUPP;
12436 switch (wdev->iftype) {
12437 case NL80211_IFTYPE_STATION:
12438 case NL80211_IFTYPE_ADHOC:
12439 case NL80211_IFTYPE_P2P_CLIENT:
12440 case NL80211_IFTYPE_AP:
12441 case NL80211_IFTYPE_AP_VLAN:
12442 case NL80211_IFTYPE_P2P_GO:
12443 case NL80211_IFTYPE_P2P_DEVICE:
12445 case NL80211_IFTYPE_NAN:
12447 return -EOPNOTSUPP;
12450 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12452 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
12455 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
12457 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12458 struct wireless_dev *wdev;
12459 struct net_device *dev = info->user_ptr[1];
12464 if (!info->attrs[NL80211_ATTR_PS_STATE])
12467 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
12469 wdev = dev->ieee80211_ptr;
12471 if (!rdev->ops->set_power_mgmt)
12472 return -EOPNOTSUPP;
12474 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
12476 if (state == wdev->ps)
12479 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
12485 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
12487 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12488 enum nl80211_ps_state ps_state;
12489 struct wireless_dev *wdev;
12490 struct net_device *dev = info->user_ptr[1];
12491 struct sk_buff *msg;
12495 wdev = dev->ieee80211_ptr;
12497 if (!rdev->ops->set_power_mgmt)
12498 return -EOPNOTSUPP;
12500 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12504 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12505 NL80211_CMD_GET_POWER_SAVE);
12512 ps_state = NL80211_PS_ENABLED;
12514 ps_state = NL80211_PS_DISABLED;
12516 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
12517 goto nla_put_failure;
12519 genlmsg_end(msg, hdr);
12520 return genlmsg_reply(msg, info);
12529 static const struct nla_policy
12530 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
12531 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
12532 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
12533 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
12534 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
12535 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
12536 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
12537 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
12540 static int nl80211_set_cqm_txe(struct genl_info *info,
12541 u32 rate, u32 pkts, u32 intvl)
12543 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12544 struct net_device *dev = info->user_ptr[1];
12545 struct wireless_dev *wdev = dev->ieee80211_ptr;
12547 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
12550 if (!rdev->ops->set_cqm_txe_config)
12551 return -EOPNOTSUPP;
12553 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12554 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12555 return -EOPNOTSUPP;
12557 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
12560 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
12561 struct net_device *dev)
12563 struct wireless_dev *wdev = dev->ieee80211_ptr;
12564 s32 last, low, high;
12566 int i, n, low_index;
12569 /* RSSI reporting disabled? */
12570 if (!wdev->cqm_config)
12571 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
12574 * Obtain current RSSI value if possible, if not and no RSSI threshold
12575 * event has been received yet, we should receive an event after a
12576 * connection is established and enough beacons received to calculate
12579 if (!wdev->cqm_config->last_rssi_event_value &&
12580 wdev->links[0].client.current_bss &&
12581 rdev->ops->get_station) {
12582 struct station_info sinfo = {};
12585 mac_addr = wdev->links[0].client.current_bss->pub.bssid;
12587 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
12591 cfg80211_sinfo_release_content(&sinfo);
12592 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
12593 wdev->cqm_config->last_rssi_event_value =
12594 (s8) sinfo.rx_beacon_signal_avg;
12597 last = wdev->cqm_config->last_rssi_event_value;
12598 hyst = wdev->cqm_config->rssi_hyst;
12599 n = wdev->cqm_config->n_rssi_thresholds;
12601 for (i = 0; i < n; i++) {
12602 i = array_index_nospec(i, n);
12603 if (last < wdev->cqm_config->rssi_thresholds[i])
12608 if (low_index >= 0) {
12609 low_index = array_index_nospec(low_index, n);
12610 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
12615 i = array_index_nospec(i, n);
12616 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
12621 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
12624 static int nl80211_set_cqm_rssi(struct genl_info *info,
12625 const s32 *thresholds, int n_thresholds,
12628 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12629 struct net_device *dev = info->user_ptr[1];
12630 struct wireless_dev *wdev = dev->ieee80211_ptr;
12632 s32 prev = S32_MIN;
12634 /* Check all values negative and sorted */
12635 for (i = 0; i < n_thresholds; i++) {
12636 if (thresholds[i] > 0 || thresholds[i] <= prev)
12639 prev = thresholds[i];
12642 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12643 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12644 return -EOPNOTSUPP;
12647 cfg80211_cqm_config_free(wdev);
12650 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
12651 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
12652 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
12654 return rdev_set_cqm_rssi_config(rdev, dev,
12655 thresholds[0], hysteresis);
12658 if (!wiphy_ext_feature_isset(&rdev->wiphy,
12659 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
12660 return -EOPNOTSUPP;
12662 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
12666 if (n_thresholds) {
12667 struct cfg80211_cqm_config *cqm_config;
12669 cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds,
12677 cqm_config->rssi_hyst = hysteresis;
12678 cqm_config->n_rssi_thresholds = n_thresholds;
12679 memcpy(cqm_config->rssi_thresholds, thresholds,
12680 flex_array_size(cqm_config, rssi_thresholds,
12683 wdev->cqm_config = cqm_config;
12686 err = cfg80211_cqm_rssi_update(rdev, dev);
12694 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
12696 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
12697 struct nlattr *cqm;
12700 cqm = info->attrs[NL80211_ATTR_CQM];
12704 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
12705 nl80211_attr_cqm_policy,
12710 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
12711 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
12712 const s32 *thresholds =
12713 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
12714 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
12715 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
12720 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
12724 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
12725 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
12726 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
12727 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
12728 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
12729 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
12731 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
12737 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
12739 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12740 struct net_device *dev = info->user_ptr[1];
12741 struct ocb_setup setup = {};
12744 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
12748 return cfg80211_join_ocb(rdev, dev, &setup);
12751 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
12753 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12754 struct net_device *dev = info->user_ptr[1];
12756 return cfg80211_leave_ocb(rdev, dev);
12759 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
12761 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12762 struct net_device *dev = info->user_ptr[1];
12763 struct mesh_config cfg;
12764 struct mesh_setup setup;
12767 /* start with default */
12768 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
12769 memcpy(&setup, &default_mesh_setup, sizeof(setup));
12771 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
12772 /* and parse parameters if given */
12773 err = nl80211_parse_mesh_config(info, &cfg, NULL);
12778 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
12779 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
12782 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
12783 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
12785 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
12786 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
12787 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
12790 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
12791 setup.beacon_interval =
12792 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12794 err = cfg80211_validate_beacon_int(rdev,
12795 NL80211_IFTYPE_MESH_POINT,
12796 setup.beacon_interval);
12801 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
12802 setup.dtim_period =
12803 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
12804 if (setup.dtim_period < 1 || setup.dtim_period > 100)
12808 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
12809 /* parse additional setup parameters if given */
12810 err = nl80211_parse_mesh_setup(info, &setup);
12815 if (setup.user_mpm)
12816 cfg.auto_open_plinks = false;
12818 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
12819 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
12823 /* __cfg80211_join_mesh() will sort it out */
12824 setup.chandef.chan = NULL;
12827 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
12828 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
12830 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
12831 struct ieee80211_supported_band *sband;
12833 if (!setup.chandef.chan)
12836 sband = rdev->wiphy.bands[setup.chandef.chan->band];
12838 err = ieee80211_get_ratemask(sband, rates, n_rates,
12839 &setup.basic_rates);
12844 if (info->attrs[NL80211_ATTR_TX_RATES]) {
12845 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
12846 NL80211_ATTR_TX_RATES,
12847 &setup.beacon_rate,
12852 if (!setup.chandef.chan)
12855 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
12856 &setup.beacon_rate);
12861 setup.userspace_handles_dfs =
12862 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
12864 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
12865 int r = validate_pae_over_nl80211(rdev, info);
12870 setup.control_port_over_nl80211 = true;
12873 wdev_lock(dev->ieee80211_ptr);
12874 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
12875 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
12876 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
12877 wdev_unlock(dev->ieee80211_ptr);
12882 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
12884 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12885 struct net_device *dev = info->user_ptr[1];
12887 return cfg80211_leave_mesh(rdev, dev);
12891 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
12892 struct cfg80211_registered_device *rdev)
12894 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
12895 struct nlattr *nl_pats, *nl_pat;
12898 if (!wowlan->n_patterns)
12901 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
12905 for (i = 0; i < wowlan->n_patterns; i++) {
12906 nl_pat = nla_nest_start_noflag(msg, i + 1);
12909 pat_len = wowlan->patterns[i].pattern_len;
12910 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
12911 wowlan->patterns[i].mask) ||
12912 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12913 wowlan->patterns[i].pattern) ||
12914 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12915 wowlan->patterns[i].pkt_offset))
12917 nla_nest_end(msg, nl_pat);
12919 nla_nest_end(msg, nl_pats);
12924 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
12925 struct cfg80211_wowlan_tcp *tcp)
12927 struct nlattr *nl_tcp;
12932 nl_tcp = nla_nest_start_noflag(msg,
12933 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
12937 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
12938 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
12939 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
12940 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
12941 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
12942 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
12943 tcp->payload_len, tcp->payload) ||
12944 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
12945 tcp->data_interval) ||
12946 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
12947 tcp->wake_len, tcp->wake_data) ||
12948 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
12949 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
12952 if (tcp->payload_seq.len &&
12953 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
12954 sizeof(tcp->payload_seq), &tcp->payload_seq))
12957 if (tcp->payload_tok.len &&
12958 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
12959 sizeof(tcp->payload_tok) + tcp->tokens_size,
12960 &tcp->payload_tok))
12963 nla_nest_end(msg, nl_tcp);
12968 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
12969 struct cfg80211_sched_scan_request *req)
12971 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
12977 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
12981 if (req->n_scan_plans == 1 &&
12982 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
12983 req->scan_plans[0].interval * 1000))
12986 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
12989 if (req->relative_rssi_set) {
12990 struct nl80211_bss_select_rssi_adjust rssi_adjust;
12992 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
12993 req->relative_rssi))
12996 rssi_adjust.band = req->rssi_adjust.band;
12997 rssi_adjust.delta = req->rssi_adjust.delta;
12998 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
12999 sizeof(rssi_adjust), &rssi_adjust))
13003 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
13007 for (i = 0; i < req->n_channels; i++) {
13008 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
13012 nla_nest_end(msg, freqs);
13014 if (req->n_match_sets) {
13015 matches = nla_nest_start_noflag(msg,
13016 NL80211_ATTR_SCHED_SCAN_MATCH);
13020 for (i = 0; i < req->n_match_sets; i++) {
13021 match = nla_nest_start_noflag(msg, i);
13025 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
13026 req->match_sets[i].ssid.ssid_len,
13027 req->match_sets[i].ssid.ssid))
13029 nla_nest_end(msg, match);
13031 nla_nest_end(msg, matches);
13034 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
13038 for (i = 0; i < req->n_scan_plans; i++) {
13039 scan_plan = nla_nest_start_noflag(msg, i + 1);
13043 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
13044 req->scan_plans[i].interval) ||
13045 (req->scan_plans[i].iterations &&
13046 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
13047 req->scan_plans[i].iterations)))
13049 nla_nest_end(msg, scan_plan);
13051 nla_nest_end(msg, scan_plans);
13053 nla_nest_end(msg, nd);
13058 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
13060 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13061 struct sk_buff *msg;
13063 u32 size = NLMSG_DEFAULT_SIZE;
13065 if (!rdev->wiphy.wowlan)
13066 return -EOPNOTSUPP;
13068 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
13069 /* adjust size to have room for all the data */
13070 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
13071 rdev->wiphy.wowlan_config->tcp->payload_len +
13072 rdev->wiphy.wowlan_config->tcp->wake_len +
13073 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
13076 msg = nlmsg_new(size, GFP_KERNEL);
13080 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13081 NL80211_CMD_GET_WOWLAN);
13083 goto nla_put_failure;
13085 if (rdev->wiphy.wowlan_config) {
13086 struct nlattr *nl_wowlan;
13088 nl_wowlan = nla_nest_start_noflag(msg,
13089 NL80211_ATTR_WOWLAN_TRIGGERS);
13091 goto nla_put_failure;
13093 if ((rdev->wiphy.wowlan_config->any &&
13094 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
13095 (rdev->wiphy.wowlan_config->disconnect &&
13096 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
13097 (rdev->wiphy.wowlan_config->magic_pkt &&
13098 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
13099 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
13100 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
13101 (rdev->wiphy.wowlan_config->eap_identity_req &&
13102 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
13103 (rdev->wiphy.wowlan_config->four_way_handshake &&
13104 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
13105 (rdev->wiphy.wowlan_config->rfkill_release &&
13106 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
13107 goto nla_put_failure;
13109 if (nl80211_send_wowlan_patterns(msg, rdev))
13110 goto nla_put_failure;
13112 if (nl80211_send_wowlan_tcp(msg,
13113 rdev->wiphy.wowlan_config->tcp))
13114 goto nla_put_failure;
13116 if (nl80211_send_wowlan_nd(
13118 rdev->wiphy.wowlan_config->nd_config))
13119 goto nla_put_failure;
13121 nla_nest_end(msg, nl_wowlan);
13124 genlmsg_end(msg, hdr);
13125 return genlmsg_reply(msg, info);
13132 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
13133 struct nlattr *attr,
13134 struct cfg80211_wowlan *trig)
13136 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
13137 struct cfg80211_wowlan_tcp *cfg;
13138 struct nl80211_wowlan_tcp_data_token *tok = NULL;
13139 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
13141 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
13144 if (!rdev->wiphy.wowlan->tcp)
13147 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
13148 nl80211_wowlan_tcp_policy, NULL);
13152 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
13153 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
13154 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
13155 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
13156 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
13157 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
13158 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
13159 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
13162 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
13163 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
13166 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
13167 rdev->wiphy.wowlan->tcp->data_interval_max ||
13168 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
13171 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
13172 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
13175 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
13176 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
13179 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
13180 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13182 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13183 tokens_size = tokln - sizeof(*tok);
13185 if (!tok->len || tokens_size % tok->len)
13187 if (!rdev->wiphy.wowlan->tcp->tok)
13189 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
13191 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
13193 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
13195 if (tok->offset + tok->len > data_size)
13199 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
13200 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
13201 if (!rdev->wiphy.wowlan->tcp->seq)
13203 if (seq->len == 0 || seq->len > 4)
13205 if (seq->len + seq->offset > data_size)
13209 size = sizeof(*cfg);
13211 size += wake_size + wake_mask_size;
13212 size += tokens_size;
13214 cfg = kzalloc(size, GFP_KERNEL);
13217 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
13218 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
13219 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
13221 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
13222 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
13226 /* allocate a socket and port for it and use it */
13227 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
13228 IPPROTO_TCP, &cfg->sock, 1);
13233 if (inet_csk_get_port(cfg->sock->sk, port)) {
13234 sock_release(cfg->sock);
13236 return -EADDRINUSE;
13238 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
13244 cfg->src_port = port;
13247 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
13248 cfg->payload_len = data_size;
13249 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
13250 memcpy((void *)cfg->payload,
13251 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
13254 cfg->payload_seq = *seq;
13255 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
13256 cfg->wake_len = wake_size;
13257 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
13258 memcpy((void *)cfg->wake_data,
13259 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
13261 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
13262 data_size + wake_size;
13263 memcpy((void *)cfg->wake_mask,
13264 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
13267 cfg->tokens_size = tokens_size;
13268 cfg->payload_tok = *tok;
13269 memcpy(cfg->payload_tok.token_stream, tok->token_stream,
13278 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
13279 const struct wiphy_wowlan_support *wowlan,
13280 struct nlattr *attr,
13281 struct cfg80211_wowlan *trig)
13283 struct nlattr **tb;
13286 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
13290 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
13295 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
13296 nl80211_policy, NULL);
13300 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
13301 wowlan->max_nd_match_sets);
13302 err = PTR_ERR_OR_ZERO(trig->nd_config);
13304 trig->nd_config = NULL;
13311 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
13313 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13314 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
13315 struct cfg80211_wowlan new_triggers = {};
13316 struct cfg80211_wowlan *ntrig;
13317 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
13319 bool prev_enabled = rdev->wiphy.wowlan_config;
13320 bool regular = false;
13323 return -EOPNOTSUPP;
13325 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
13326 cfg80211_rdev_free_wowlan(rdev);
13327 rdev->wiphy.wowlan_config = NULL;
13331 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
13332 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
13333 nl80211_wowlan_policy, info->extack);
13337 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
13338 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
13340 new_triggers.any = true;
13343 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
13344 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
13346 new_triggers.disconnect = true;
13350 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
13351 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
13353 new_triggers.magic_pkt = true;
13357 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
13360 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
13361 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
13363 new_triggers.gtk_rekey_failure = true;
13367 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
13368 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
13370 new_triggers.eap_identity_req = true;
13374 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
13375 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
13377 new_triggers.four_way_handshake = true;
13381 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
13382 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
13384 new_triggers.rfkill_release = true;
13388 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
13389 struct nlattr *pat;
13390 int n_patterns = 0;
13391 int rem, pat_len, mask_len, pkt_offset;
13392 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13396 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13399 if (n_patterns > wowlan->n_patterns)
13402 new_triggers.patterns = kcalloc(n_patterns,
13403 sizeof(new_triggers.patterns[0]),
13405 if (!new_triggers.patterns)
13408 new_triggers.n_patterns = n_patterns;
13411 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13415 err = nla_parse_nested_deprecated(pat_tb,
13416 MAX_NL80211_PKTPAT,
13418 nl80211_packet_pattern_policy,
13424 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13425 !pat_tb[NL80211_PKTPAT_PATTERN])
13427 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
13428 mask_len = DIV_ROUND_UP(pat_len, 8);
13429 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
13431 if (pat_len > wowlan->pattern_max_len ||
13432 pat_len < wowlan->pattern_min_len)
13435 if (!pat_tb[NL80211_PKTPAT_OFFSET])
13438 pkt_offset = nla_get_u32(
13439 pat_tb[NL80211_PKTPAT_OFFSET]);
13440 if (pkt_offset > wowlan->max_pkt_offset)
13442 new_triggers.patterns[i].pkt_offset = pkt_offset;
13444 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13449 new_triggers.patterns[i].mask = mask_pat;
13450 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
13452 mask_pat += mask_len;
13453 new_triggers.patterns[i].pattern = mask_pat;
13454 new_triggers.patterns[i].pattern_len = pat_len;
13456 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
13462 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
13464 err = nl80211_parse_wowlan_tcp(
13465 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
13471 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
13473 err = nl80211_parse_wowlan_nd(
13474 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
13480 /* The 'any' trigger means the device continues operating more or less
13481 * as in its normal operation mode and wakes up the host on most of the
13482 * normal interrupts (like packet RX, ...)
13483 * It therefore makes little sense to combine with the more constrained
13484 * wakeup trigger modes.
13486 if (new_triggers.any && regular) {
13491 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
13496 cfg80211_rdev_free_wowlan(rdev);
13497 rdev->wiphy.wowlan_config = ntrig;
13500 if (rdev->ops->set_wakeup &&
13501 prev_enabled != !!rdev->wiphy.wowlan_config)
13502 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
13506 for (i = 0; i < new_triggers.n_patterns; i++)
13507 kfree(new_triggers.patterns[i].mask);
13508 kfree(new_triggers.patterns);
13509 if (new_triggers.tcp && new_triggers.tcp->sock)
13510 sock_release(new_triggers.tcp->sock);
13511 kfree(new_triggers.tcp);
13512 kfree(new_triggers.nd_config);
13517 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
13518 struct cfg80211_registered_device *rdev)
13520 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
13522 struct cfg80211_coalesce_rules *rule;
13524 if (!rdev->coalesce->n_rules)
13527 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
13531 for (i = 0; i < rdev->coalesce->n_rules; i++) {
13532 nl_rule = nla_nest_start_noflag(msg, i + 1);
13536 rule = &rdev->coalesce->rules[i];
13537 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
13541 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
13545 nl_pats = nla_nest_start_noflag(msg,
13546 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
13550 for (j = 0; j < rule->n_patterns; j++) {
13551 nl_pat = nla_nest_start_noflag(msg, j + 1);
13554 pat_len = rule->patterns[j].pattern_len;
13555 if (nla_put(msg, NL80211_PKTPAT_MASK,
13556 DIV_ROUND_UP(pat_len, 8),
13557 rule->patterns[j].mask) ||
13558 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13559 rule->patterns[j].pattern) ||
13560 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
13561 rule->patterns[j].pkt_offset))
13563 nla_nest_end(msg, nl_pat);
13565 nla_nest_end(msg, nl_pats);
13566 nla_nest_end(msg, nl_rule);
13568 nla_nest_end(msg, nl_rules);
13573 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
13575 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13576 struct sk_buff *msg;
13579 if (!rdev->wiphy.coalesce)
13580 return -EOPNOTSUPP;
13582 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13586 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13587 NL80211_CMD_GET_COALESCE);
13589 goto nla_put_failure;
13591 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
13592 goto nla_put_failure;
13594 genlmsg_end(msg, hdr);
13595 return genlmsg_reply(msg, info);
13602 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
13604 struct cfg80211_coalesce *coalesce = rdev->coalesce;
13606 struct cfg80211_coalesce_rules *rule;
13611 for (i = 0; i < coalesce->n_rules; i++) {
13612 rule = &coalesce->rules[i];
13613 for (j = 0; j < rule->n_patterns; j++)
13614 kfree(rule->patterns[j].mask);
13615 kfree(rule->patterns);
13617 kfree(coalesce->rules);
13619 rdev->coalesce = NULL;
13622 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
13623 struct nlattr *rule,
13624 struct cfg80211_coalesce_rules *new_rule)
13627 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13628 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
13629 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
13630 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13632 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
13633 rule, nl80211_coalesce_policy, NULL);
13637 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
13639 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
13640 if (new_rule->delay > coalesce->max_delay)
13643 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
13644 new_rule->condition =
13645 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
13647 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
13650 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13653 if (n_patterns > coalesce->n_patterns)
13656 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
13658 if (!new_rule->patterns)
13661 new_rule->n_patterns = n_patterns;
13664 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13668 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
13670 nl80211_packet_pattern_policy,
13675 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13676 !pat_tb[NL80211_PKTPAT_PATTERN])
13678 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
13679 mask_len = DIV_ROUND_UP(pat_len, 8);
13680 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
13682 if (pat_len > coalesce->pattern_max_len ||
13683 pat_len < coalesce->pattern_min_len)
13686 if (!pat_tb[NL80211_PKTPAT_OFFSET])
13689 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
13690 if (pkt_offset > coalesce->max_pkt_offset)
13692 new_rule->patterns[i].pkt_offset = pkt_offset;
13694 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13698 new_rule->patterns[i].mask = mask_pat;
13699 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
13702 mask_pat += mask_len;
13703 new_rule->patterns[i].pattern = mask_pat;
13704 new_rule->patterns[i].pattern_len = pat_len;
13705 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
13713 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
13715 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13716 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13717 struct cfg80211_coalesce new_coalesce = {};
13718 struct cfg80211_coalesce *n_coalesce;
13719 int err, rem_rule, n_rules = 0, i, j;
13720 struct nlattr *rule;
13721 struct cfg80211_coalesce_rules *tmp_rule;
13723 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
13724 return -EOPNOTSUPP;
13726 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
13727 cfg80211_rdev_free_coalesce(rdev);
13728 rdev_set_coalesce(rdev, NULL);
13732 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
13735 if (n_rules > coalesce->n_rules)
13738 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
13740 if (!new_coalesce.rules)
13743 new_coalesce.n_rules = n_rules;
13746 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
13748 err = nl80211_parse_coalesce_rule(rdev, rule,
13749 &new_coalesce.rules[i]);
13756 err = rdev_set_coalesce(rdev, &new_coalesce);
13760 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
13765 cfg80211_rdev_free_coalesce(rdev);
13766 rdev->coalesce = n_coalesce;
13770 for (i = 0; i < new_coalesce.n_rules; i++) {
13771 tmp_rule = &new_coalesce.rules[i];
13772 for (j = 0; j < tmp_rule->n_patterns; j++)
13773 kfree(tmp_rule->patterns[j].mask);
13774 kfree(tmp_rule->patterns);
13776 kfree(new_coalesce.rules);
13781 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
13783 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13784 struct net_device *dev = info->user_ptr[1];
13785 struct wireless_dev *wdev = dev->ieee80211_ptr;
13786 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
13787 struct cfg80211_gtk_rekey_data rekey_data = {};
13790 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
13793 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
13794 info->attrs[NL80211_ATTR_REKEY_DATA],
13795 nl80211_rekey_policy, info->extack);
13799 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
13800 !tb[NL80211_REKEY_DATA_KCK])
13802 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
13803 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
13804 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
13806 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
13807 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
13808 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN))
13811 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
13812 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
13813 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
13814 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
13815 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
13816 if (tb[NL80211_REKEY_DATA_AKM])
13817 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
13820 if (!wdev->connected) {
13825 if (!rdev->ops->set_rekey_data) {
13830 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
13836 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
13837 struct genl_info *info)
13839 struct net_device *dev = info->user_ptr[1];
13840 struct wireless_dev *wdev = dev->ieee80211_ptr;
13842 if (wdev->iftype != NL80211_IFTYPE_AP &&
13843 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13846 if (wdev->ap_unexpected_nlportid)
13849 wdev->ap_unexpected_nlportid = info->snd_portid;
13853 static int nl80211_probe_client(struct sk_buff *skb,
13854 struct genl_info *info)
13856 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13857 struct net_device *dev = info->user_ptr[1];
13858 struct wireless_dev *wdev = dev->ieee80211_ptr;
13859 struct sk_buff *msg;
13865 if (wdev->iftype != NL80211_IFTYPE_AP &&
13866 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13867 return -EOPNOTSUPP;
13869 if (!info->attrs[NL80211_ATTR_MAC])
13872 if (!rdev->ops->probe_client)
13873 return -EOPNOTSUPP;
13875 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13879 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13880 NL80211_CMD_PROBE_CLIENT);
13886 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13888 err = rdev_probe_client(rdev, dev, addr, &cookie);
13892 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13894 goto nla_put_failure;
13896 genlmsg_end(msg, hdr);
13898 return genlmsg_reply(msg, info);
13907 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
13909 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13910 struct cfg80211_beacon_registration *reg, *nreg;
13913 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
13914 return -EOPNOTSUPP;
13916 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
13920 /* First, check if already registered. */
13921 spin_lock_bh(&rdev->beacon_registrations_lock);
13922 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
13923 if (reg->nlportid == info->snd_portid) {
13928 /* Add it to the list */
13929 nreg->nlportid = info->snd_portid;
13930 list_add(&nreg->list, &rdev->beacon_registrations);
13932 spin_unlock_bh(&rdev->beacon_registrations_lock);
13936 spin_unlock_bh(&rdev->beacon_registrations_lock);
13941 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
13943 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13944 struct wireless_dev *wdev = info->user_ptr[1];
13947 if (!rdev->ops->start_p2p_device)
13948 return -EOPNOTSUPP;
13950 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13951 return -EOPNOTSUPP;
13953 if (wdev_running(wdev))
13956 if (rfkill_blocked(rdev->wiphy.rfkill))
13959 err = rdev_start_p2p_device(rdev, wdev);
13963 wdev->is_running = true;
13969 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
13971 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13972 struct wireless_dev *wdev = info->user_ptr[1];
13974 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13975 return -EOPNOTSUPP;
13977 if (!rdev->ops->stop_p2p_device)
13978 return -EOPNOTSUPP;
13980 cfg80211_stop_p2p_device(rdev, wdev);
13985 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
13987 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13988 struct wireless_dev *wdev = info->user_ptr[1];
13989 struct cfg80211_nan_conf conf = {};
13992 if (wdev->iftype != NL80211_IFTYPE_NAN)
13993 return -EOPNOTSUPP;
13995 if (wdev_running(wdev))
13998 if (rfkill_blocked(rdev->wiphy.rfkill))
14001 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
14005 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14007 if (info->attrs[NL80211_ATTR_BANDS]) {
14008 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14010 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14011 return -EOPNOTSUPP;
14013 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14016 conf.bands = bands;
14019 err = rdev_start_nan(rdev, wdev, &conf);
14023 wdev->is_running = true;
14029 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
14031 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14032 struct wireless_dev *wdev = info->user_ptr[1];
14034 if (wdev->iftype != NL80211_IFTYPE_NAN)
14035 return -EOPNOTSUPP;
14037 cfg80211_stop_nan(rdev, wdev);
14042 static int validate_nan_filter(struct nlattr *filter_attr)
14044 struct nlattr *attr;
14045 int len = 0, n_entries = 0, rem;
14047 nla_for_each_nested(attr, filter_attr, rem) {
14048 len += nla_len(attr);
14058 static int handle_nan_filter(struct nlattr *attr_filter,
14059 struct cfg80211_nan_func *func,
14062 struct nlattr *attr;
14063 int n_entries, rem, i;
14064 struct cfg80211_nan_func_filter *filter;
14066 n_entries = validate_nan_filter(attr_filter);
14070 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
14072 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
14077 nla_for_each_nested(attr, attr_filter, rem) {
14078 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
14079 if (!filter[i].filter)
14082 filter[i].len = nla_len(attr);
14086 func->num_tx_filters = n_entries;
14087 func->tx_filters = filter;
14089 func->num_rx_filters = n_entries;
14090 func->rx_filters = filter;
14097 nla_for_each_nested(attr, attr_filter, rem) {
14098 kfree(filter[i].filter);
14105 static int nl80211_nan_add_func(struct sk_buff *skb,
14106 struct genl_info *info)
14108 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14109 struct wireless_dev *wdev = info->user_ptr[1];
14110 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
14111 struct cfg80211_nan_func *func;
14112 struct sk_buff *msg = NULL;
14116 if (wdev->iftype != NL80211_IFTYPE_NAN)
14117 return -EOPNOTSUPP;
14119 if (!wdev_running(wdev))
14122 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
14125 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
14126 info->attrs[NL80211_ATTR_NAN_FUNC],
14127 nl80211_nan_func_policy,
14132 func = kzalloc(sizeof(*func), GFP_KERNEL);
14136 func->cookie = cfg80211_assign_cookie(rdev);
14138 if (!tb[NL80211_NAN_FUNC_TYPE]) {
14144 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
14146 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
14151 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
14152 sizeof(func->service_id));
14154 func->close_range =
14155 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
14157 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
14158 func->serv_spec_info_len =
14159 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
14160 func->serv_spec_info =
14161 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
14162 func->serv_spec_info_len,
14164 if (!func->serv_spec_info) {
14170 if (tb[NL80211_NAN_FUNC_TTL])
14171 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
14173 switch (func->type) {
14174 case NL80211_NAN_FUNC_PUBLISH:
14175 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
14180 func->publish_type =
14181 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
14182 func->publish_bcast =
14183 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
14185 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
14186 func->publish_bcast) {
14191 case NL80211_NAN_FUNC_SUBSCRIBE:
14192 func->subscribe_active =
14193 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
14195 case NL80211_NAN_FUNC_FOLLOW_UP:
14196 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
14197 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
14198 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
14203 func->followup_id =
14204 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
14205 func->followup_reqid =
14206 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
14207 memcpy(func->followup_dest.addr,
14208 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
14209 sizeof(func->followup_dest.addr));
14220 if (tb[NL80211_NAN_FUNC_SRF]) {
14221 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
14223 err = nla_parse_nested_deprecated(srf_tb,
14224 NL80211_NAN_SRF_ATTR_MAX,
14225 tb[NL80211_NAN_FUNC_SRF],
14226 nl80211_nan_srf_policy,
14231 func->srf_include =
14232 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
14234 if (srf_tb[NL80211_NAN_SRF_BF]) {
14235 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
14236 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
14242 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
14244 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
14245 func->srf_bf_len, GFP_KERNEL);
14246 if (!func->srf_bf) {
14252 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
14254 struct nlattr *attr, *mac_attr =
14255 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
14256 int n_entries, rem, i = 0;
14263 n_entries = validate_acl_mac_addrs(mac_attr);
14264 if (n_entries <= 0) {
14269 func->srf_num_macs = n_entries;
14271 kcalloc(n_entries, sizeof(*func->srf_macs),
14273 if (!func->srf_macs) {
14278 nla_for_each_nested(attr, mac_attr, rem)
14279 memcpy(func->srf_macs[i++].addr, nla_data(attr),
14280 sizeof(*func->srf_macs));
14284 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
14285 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
14291 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
14292 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
14298 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14304 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14305 NL80211_CMD_ADD_NAN_FUNCTION);
14306 /* This can't really happen - we just allocated 4KB */
14307 if (WARN_ON(!hdr)) {
14312 err = rdev_add_nan_func(rdev, wdev, func);
14315 cfg80211_free_nan_func(func);
14320 /* propagate the instance id and cookie to userspace */
14321 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
14323 goto nla_put_failure;
14325 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
14327 goto nla_put_failure;
14329 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
14330 func->instance_id))
14331 goto nla_put_failure;
14333 nla_nest_end(msg, func_attr);
14335 genlmsg_end(msg, hdr);
14336 return genlmsg_reply(msg, info);
14343 static int nl80211_nan_del_func(struct sk_buff *skb,
14344 struct genl_info *info)
14346 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14347 struct wireless_dev *wdev = info->user_ptr[1];
14350 if (wdev->iftype != NL80211_IFTYPE_NAN)
14351 return -EOPNOTSUPP;
14353 if (!wdev_running(wdev))
14356 if (!info->attrs[NL80211_ATTR_COOKIE])
14359 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
14361 rdev_del_nan_func(rdev, wdev, cookie);
14366 static int nl80211_nan_change_config(struct sk_buff *skb,
14367 struct genl_info *info)
14369 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14370 struct wireless_dev *wdev = info->user_ptr[1];
14371 struct cfg80211_nan_conf conf = {};
14374 if (wdev->iftype != NL80211_IFTYPE_NAN)
14375 return -EOPNOTSUPP;
14377 if (!wdev_running(wdev))
14380 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
14382 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14383 if (conf.master_pref <= 1 || conf.master_pref == 255)
14386 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
14389 if (info->attrs[NL80211_ATTR_BANDS]) {
14390 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14392 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14393 return -EOPNOTSUPP;
14395 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14398 conf.bands = bands;
14399 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
14405 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
14408 void cfg80211_nan_match(struct wireless_dev *wdev,
14409 struct cfg80211_nan_match_params *match, gfp_t gfp)
14411 struct wiphy *wiphy = wdev->wiphy;
14412 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14413 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
14414 struct sk_buff *msg;
14417 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
14420 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14424 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
14430 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14431 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14432 wdev->netdev->ifindex)) ||
14433 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14435 goto nla_put_failure;
14437 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
14438 NL80211_ATTR_PAD) ||
14439 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
14440 goto nla_put_failure;
14442 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
14444 goto nla_put_failure;
14446 local_func_attr = nla_nest_start_noflag(msg,
14447 NL80211_NAN_MATCH_FUNC_LOCAL);
14448 if (!local_func_attr)
14449 goto nla_put_failure;
14451 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
14452 goto nla_put_failure;
14454 nla_nest_end(msg, local_func_attr);
14456 peer_func_attr = nla_nest_start_noflag(msg,
14457 NL80211_NAN_MATCH_FUNC_PEER);
14458 if (!peer_func_attr)
14459 goto nla_put_failure;
14461 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
14462 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
14463 goto nla_put_failure;
14465 if (match->info && match->info_len &&
14466 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
14468 goto nla_put_failure;
14470 nla_nest_end(msg, peer_func_attr);
14471 nla_nest_end(msg, match_attr);
14472 genlmsg_end(msg, hdr);
14474 if (!wdev->owner_nlportid)
14475 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14476 msg, 0, NL80211_MCGRP_NAN, gfp);
14478 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14479 wdev->owner_nlportid);
14486 EXPORT_SYMBOL(cfg80211_nan_match);
14488 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
14490 enum nl80211_nan_func_term_reason reason,
14491 u64 cookie, gfp_t gfp)
14493 struct wiphy *wiphy = wdev->wiphy;
14494 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14495 struct sk_buff *msg;
14496 struct nlattr *func_attr;
14499 if (WARN_ON(!inst_id))
14502 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14506 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
14512 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14513 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14514 wdev->netdev->ifindex)) ||
14515 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14517 goto nla_put_failure;
14519 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14521 goto nla_put_failure;
14523 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
14525 goto nla_put_failure;
14527 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
14528 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
14529 goto nla_put_failure;
14531 nla_nest_end(msg, func_attr);
14532 genlmsg_end(msg, hdr);
14534 if (!wdev->owner_nlportid)
14535 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14536 msg, 0, NL80211_MCGRP_NAN, gfp);
14538 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14539 wdev->owner_nlportid);
14546 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
14548 static int nl80211_get_protocol_features(struct sk_buff *skb,
14549 struct genl_info *info)
14552 struct sk_buff *msg;
14554 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14558 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14559 NL80211_CMD_GET_PROTOCOL_FEATURES);
14561 goto nla_put_failure;
14563 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
14564 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
14565 goto nla_put_failure;
14567 genlmsg_end(msg, hdr);
14568 return genlmsg_reply(msg, info);
14575 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
14577 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14578 struct cfg80211_update_ft_ies_params ft_params;
14579 struct net_device *dev = info->user_ptr[1];
14581 if (!rdev->ops->update_ft_ies)
14582 return -EOPNOTSUPP;
14584 if (!info->attrs[NL80211_ATTR_MDID] ||
14585 !info->attrs[NL80211_ATTR_IE])
14588 memset(&ft_params, 0, sizeof(ft_params));
14589 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
14590 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14591 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14593 return rdev_update_ft_ies(rdev, dev, &ft_params);
14596 static int nl80211_crit_protocol_start(struct sk_buff *skb,
14597 struct genl_info *info)
14599 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14600 struct wireless_dev *wdev = info->user_ptr[1];
14601 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
14605 if (!rdev->ops->crit_proto_start)
14606 return -EOPNOTSUPP;
14608 if (WARN_ON(!rdev->ops->crit_proto_stop))
14611 if (rdev->crit_proto_nlportid)
14614 /* determine protocol if provided */
14615 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
14616 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
14618 if (proto >= NUM_NL80211_CRIT_PROTO)
14621 /* timeout must be provided */
14622 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
14626 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
14628 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
14630 rdev->crit_proto_nlportid = info->snd_portid;
14635 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
14636 struct genl_info *info)
14638 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14639 struct wireless_dev *wdev = info->user_ptr[1];
14641 if (!rdev->ops->crit_proto_stop)
14642 return -EOPNOTSUPP;
14644 if (rdev->crit_proto_nlportid) {
14645 rdev->crit_proto_nlportid = 0;
14646 rdev_crit_proto_stop(rdev, wdev);
14651 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
14652 struct nlattr *attr,
14653 struct netlink_ext_ack *extack)
14655 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
14656 if (attr->nla_type & NLA_F_NESTED) {
14657 NL_SET_ERR_MSG_ATTR(extack, attr,
14658 "unexpected nested data");
14665 if (!(attr->nla_type & NLA_F_NESTED)) {
14666 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
14670 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
14673 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
14675 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14676 struct wireless_dev *wdev =
14677 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
14682 if (!rdev->wiphy.vendor_commands)
14683 return -EOPNOTSUPP;
14685 if (IS_ERR(wdev)) {
14686 err = PTR_ERR(wdev);
14687 if (err != -EINVAL)
14690 } else if (wdev->wiphy != &rdev->wiphy) {
14694 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
14695 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
14698 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
14699 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
14700 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
14701 const struct wiphy_vendor_command *vcmd;
14705 vcmd = &rdev->wiphy.vendor_commands[i];
14707 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
14710 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
14711 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
14714 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
14718 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
14719 if (!wdev_running(wdev))
14727 return -EOPNOTSUPP;
14729 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
14730 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
14731 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
14733 err = nl80211_vendor_check_policy(vcmd,
14734 info->attrs[NL80211_ATTR_VENDOR_DATA],
14740 rdev->cur_cmd_info = info;
14741 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
14742 rdev->cur_cmd_info = NULL;
14746 return -EOPNOTSUPP;
14749 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
14750 struct netlink_callback *cb,
14751 struct cfg80211_registered_device **rdev,
14752 struct wireless_dev **wdev)
14754 struct nlattr **attrbuf;
14760 unsigned int data_len = 0;
14763 /* subtract the 1 again here */
14764 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
14765 struct wireless_dev *tmp;
14769 *rdev = wiphy_to_rdev(wiphy);
14773 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
14774 if (tmp->identifier == cb->args[1] - 1) {
14781 /* keep rtnl locked in successful case */
14785 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
14789 err = nlmsg_parse_deprecated(cb->nlh,
14790 GENL_HDRLEN + nl80211_fam.hdrsize,
14791 attrbuf, nl80211_fam.maxattr,
14792 nl80211_policy, NULL);
14796 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
14797 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
14802 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
14806 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
14807 if (IS_ERR(*rdev)) {
14808 err = PTR_ERR(*rdev);
14812 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
14813 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
14815 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
14816 const struct wiphy_vendor_command *vcmd;
14818 vcmd = &(*rdev)->wiphy.vendor_commands[i];
14820 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
14823 if (!vcmd->dumpit) {
14832 if (vcmd_idx < 0) {
14837 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
14838 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
14839 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
14841 err = nl80211_vendor_check_policy(
14842 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
14843 attrbuf[NL80211_ATTR_VENDOR_DATA],
14849 /* 0 is the first index - add 1 to parse only once */
14850 cb->args[0] = (*rdev)->wiphy_idx + 1;
14851 /* add 1 to know if it was NULL */
14852 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
14853 cb->args[2] = vcmd_idx;
14854 cb->args[3] = (unsigned long)data;
14855 cb->args[4] = data_len;
14857 /* keep rtnl locked in successful case */
14864 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
14865 struct netlink_callback *cb)
14867 struct cfg80211_registered_device *rdev;
14868 struct wireless_dev *wdev;
14869 unsigned int vcmd_idx;
14870 const struct wiphy_vendor_command *vcmd;
14874 struct nlattr *vendor_data;
14877 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
14881 vcmd_idx = cb->args[2];
14882 data = (void *)cb->args[3];
14883 data_len = cb->args[4];
14884 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
14886 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
14887 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
14892 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
14898 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
14899 if (!wdev_running(wdev)) {
14907 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
14908 cb->nlh->nlmsg_seq, NLM_F_MULTI,
14909 NL80211_CMD_VENDOR);
14913 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14914 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
14916 NL80211_ATTR_PAD))) {
14917 genlmsg_cancel(skb, hdr);
14921 vendor_data = nla_nest_start_noflag(skb,
14922 NL80211_ATTR_VENDOR_DATA);
14923 if (!vendor_data) {
14924 genlmsg_cancel(skb, hdr);
14928 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
14929 (unsigned long *)&cb->args[5]);
14930 nla_nest_end(skb, vendor_data);
14932 if (err == -ENOBUFS || err == -ENOENT) {
14933 genlmsg_cancel(skb, hdr);
14935 } else if (err <= 0) {
14936 genlmsg_cancel(skb, hdr);
14940 genlmsg_end(skb, hdr);
14949 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
14950 enum nl80211_commands cmd,
14951 enum nl80211_attrs attr,
14954 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14956 if (WARN_ON(!rdev->cur_cmd_info))
14959 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
14960 rdev->cur_cmd_info->snd_portid,
14961 rdev->cur_cmd_info->snd_seq,
14962 cmd, attr, NULL, GFP_KERNEL);
14964 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
14966 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
14968 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
14969 void *hdr = ((void **)skb->cb)[1];
14970 struct nlattr *data = ((void **)skb->cb)[2];
14972 /* clear CB data for netlink core to own from now on */
14973 memset(skb->cb, 0, sizeof(skb->cb));
14975 if (WARN_ON(!rdev->cur_cmd_info)) {
14980 nla_nest_end(skb, data);
14981 genlmsg_end(skb, hdr);
14982 return genlmsg_reply(skb, rdev->cur_cmd_info);
14984 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
14986 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
14988 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14990 if (WARN_ON(!rdev->cur_cmd_info))
14993 return rdev->cur_cmd_info->snd_portid;
14995 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
14997 static int nl80211_set_qos_map(struct sk_buff *skb,
14998 struct genl_info *info)
15000 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15001 struct cfg80211_qos_map *qos_map = NULL;
15002 struct net_device *dev = info->user_ptr[1];
15003 u8 *pos, len, num_des, des_len, des;
15006 if (!rdev->ops->set_qos_map)
15007 return -EOPNOTSUPP;
15009 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
15010 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
15011 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
15016 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
15020 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
15022 des_len = num_des *
15023 sizeof(struct cfg80211_dscp_exception);
15024 memcpy(qos_map->dscp_exception, pos, des_len);
15025 qos_map->num_des = num_des;
15026 for (des = 0; des < num_des; des++) {
15027 if (qos_map->dscp_exception[des].up > 7) {
15034 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
15037 wdev_lock(dev->ieee80211_ptr);
15038 ret = nl80211_key_allowed(dev->ieee80211_ptr);
15040 ret = rdev_set_qos_map(rdev, dev, qos_map);
15041 wdev_unlock(dev->ieee80211_ptr);
15047 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
15049 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15050 struct net_device *dev = info->user_ptr[1];
15051 struct wireless_dev *wdev = dev->ieee80211_ptr;
15054 u16 admitted_time = 0;
15057 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
15058 return -EOPNOTSUPP;
15060 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
15061 !info->attrs[NL80211_ATTR_USER_PRIO])
15064 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15065 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
15067 /* WMM uses TIDs 0-7 even for TSPEC */
15068 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
15069 /* TODO: handle 802.11 TSPEC/admission control
15070 * need more attributes for that (e.g. BA session requirement);
15071 * change the WMM adminssion test above to allow both then
15076 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15078 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
15080 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
15081 if (!admitted_time)
15086 switch (wdev->iftype) {
15087 case NL80211_IFTYPE_STATION:
15088 case NL80211_IFTYPE_P2P_CLIENT:
15089 if (wdev->connected)
15098 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
15105 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
15107 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15108 struct net_device *dev = info->user_ptr[1];
15109 struct wireless_dev *wdev = dev->ieee80211_ptr;
15114 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
15117 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15118 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15121 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
15127 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
15128 struct genl_info *info)
15130 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15131 struct net_device *dev = info->user_ptr[1];
15132 struct wireless_dev *wdev = dev->ieee80211_ptr;
15133 struct cfg80211_chan_def chandef = {};
15138 if (!rdev->ops->tdls_channel_switch ||
15139 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15140 return -EOPNOTSUPP;
15142 switch (dev->ieee80211_ptr->iftype) {
15143 case NL80211_IFTYPE_STATION:
15144 case NL80211_IFTYPE_P2P_CLIENT:
15147 return -EOPNOTSUPP;
15150 if (!info->attrs[NL80211_ATTR_MAC] ||
15151 !info->attrs[NL80211_ATTR_OPER_CLASS])
15154 err = nl80211_parse_chandef(rdev, info, &chandef);
15159 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
15160 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
15161 * specification is not defined for them.
15163 if (chandef.chan->band == NL80211_BAND_2GHZ &&
15164 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
15165 chandef.width != NL80211_CHAN_WIDTH_20)
15168 /* we will be active on the TDLS link */
15169 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
15173 /* don't allow switching to DFS channels */
15174 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
15177 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15178 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
15181 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
15187 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
15188 struct genl_info *info)
15190 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15191 struct net_device *dev = info->user_ptr[1];
15192 struct wireless_dev *wdev = dev->ieee80211_ptr;
15195 if (!rdev->ops->tdls_channel_switch ||
15196 !rdev->ops->tdls_cancel_channel_switch ||
15197 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15198 return -EOPNOTSUPP;
15200 switch (dev->ieee80211_ptr->iftype) {
15201 case NL80211_IFTYPE_STATION:
15202 case NL80211_IFTYPE_P2P_CLIENT:
15205 return -EOPNOTSUPP;
15208 if (!info->attrs[NL80211_ATTR_MAC])
15211 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15214 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
15220 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
15221 struct genl_info *info)
15223 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15224 struct net_device *dev = info->user_ptr[1];
15225 struct wireless_dev *wdev = dev->ieee80211_ptr;
15226 const struct nlattr *nla;
15229 if (!rdev->ops->set_multicast_to_unicast)
15230 return -EOPNOTSUPP;
15232 if (wdev->iftype != NL80211_IFTYPE_AP &&
15233 wdev->iftype != NL80211_IFTYPE_P2P_GO)
15234 return -EOPNOTSUPP;
15236 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
15237 enabled = nla_get_flag(nla);
15239 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
15242 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
15244 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15245 struct net_device *dev = info->user_ptr[1];
15246 struct wireless_dev *wdev = dev->ieee80211_ptr;
15247 struct cfg80211_pmk_conf pmk_conf = {};
15250 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15251 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15252 return -EOPNOTSUPP;
15254 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15255 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15256 return -EOPNOTSUPP;
15258 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
15262 if (!wdev->connected) {
15267 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
15268 if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN)) {
15273 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
15274 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
15275 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
15276 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
15281 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
15282 pmk_conf.pmk_r0_name =
15283 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
15285 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
15291 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
15293 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15294 struct net_device *dev = info->user_ptr[1];
15295 struct wireless_dev *wdev = dev->ieee80211_ptr;
15299 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15300 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15301 return -EOPNOTSUPP;
15303 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15304 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15305 return -EOPNOTSUPP;
15307 if (!info->attrs[NL80211_ATTR_MAC])
15311 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
15312 ret = rdev_del_pmk(rdev, dev, aa);
15318 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
15320 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15321 struct net_device *dev = info->user_ptr[1];
15322 struct cfg80211_external_auth_params params;
15324 if (!rdev->ops->external_auth)
15325 return -EOPNOTSUPP;
15327 if (!info->attrs[NL80211_ATTR_SSID] &&
15328 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
15329 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
15332 if (!info->attrs[NL80211_ATTR_BSSID])
15335 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
15338 memset(¶ms, 0, sizeof(params));
15340 if (info->attrs[NL80211_ATTR_SSID]) {
15341 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
15342 if (params.ssid.ssid_len == 0)
15344 memcpy(params.ssid.ssid,
15345 nla_data(info->attrs[NL80211_ATTR_SSID]),
15346 params.ssid.ssid_len);
15349 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
15352 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15354 if (info->attrs[NL80211_ATTR_PMKID])
15355 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
15357 return rdev_external_auth(rdev, dev, ¶ms);
15360 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
15362 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
15363 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15364 struct net_device *dev = info->user_ptr[1];
15365 struct wireless_dev *wdev = dev->ieee80211_ptr;
15375 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15376 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
15377 return -EOPNOTSUPP;
15379 if (!rdev->ops->tx_control_port)
15380 return -EOPNOTSUPP;
15382 if (!info->attrs[NL80211_ATTR_FRAME] ||
15383 !info->attrs[NL80211_ATTR_MAC] ||
15384 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
15385 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
15391 switch (wdev->iftype) {
15392 case NL80211_IFTYPE_AP:
15393 case NL80211_IFTYPE_P2P_GO:
15394 case NL80211_IFTYPE_MESH_POINT:
15396 case NL80211_IFTYPE_ADHOC:
15397 if (wdev->u.ibss.current_bss)
15401 case NL80211_IFTYPE_STATION:
15402 case NL80211_IFTYPE_P2P_CLIENT:
15403 if (wdev->connected)
15414 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15415 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15416 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15417 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
15419 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
15421 link_id = nl80211_link_id_or_invalid(info->attrs);
15423 err = rdev_tx_control_port(rdev, dev, buf, len,
15424 dest, cpu_to_be16(proto), noencrypt, link_id,
15425 dont_wait_for_ack ? NULL : &cookie);
15426 if (!err && !dont_wait_for_ack)
15427 nl_set_extack_cookie_u64(info->extack, cookie);
15434 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
15435 struct genl_info *info)
15437 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15438 struct net_device *dev = info->user_ptr[1];
15439 struct wireless_dev *wdev = dev->ieee80211_ptr;
15440 struct cfg80211_ftm_responder_stats ftm_stats = {};
15441 unsigned int link_id = nl80211_link_id(info->attrs);
15442 struct sk_buff *msg;
15444 struct nlattr *ftm_stats_attr;
15447 if (wdev->iftype != NL80211_IFTYPE_AP ||
15448 !wdev->links[link_id].ap.beacon_interval)
15449 return -EOPNOTSUPP;
15451 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
15455 if (!ftm_stats.filled)
15458 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15462 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
15463 NL80211_CMD_GET_FTM_RESPONDER_STATS);
15465 goto nla_put_failure;
15467 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15468 goto nla_put_failure;
15470 ftm_stats_attr = nla_nest_start_noflag(msg,
15471 NL80211_ATTR_FTM_RESPONDER_STATS);
15472 if (!ftm_stats_attr)
15473 goto nla_put_failure;
15475 #define SET_FTM(field, name, type) \
15476 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15477 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
15478 ftm_stats.field)) \
15479 goto nla_put_failure; } while (0)
15480 #define SET_FTM_U64(field, name) \
15481 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15482 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
15483 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
15484 goto nla_put_failure; } while (0)
15486 SET_FTM(success_num, SUCCESS_NUM, u32);
15487 SET_FTM(partial_num, PARTIAL_NUM, u32);
15488 SET_FTM(failed_num, FAILED_NUM, u32);
15489 SET_FTM(asap_num, ASAP_NUM, u32);
15490 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
15491 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
15492 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
15493 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
15494 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
15497 nla_nest_end(msg, ftm_stats_attr);
15499 genlmsg_end(msg, hdr);
15500 return genlmsg_reply(msg, info);
15507 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
15509 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15510 struct cfg80211_update_owe_info owe_info;
15511 struct net_device *dev = info->user_ptr[1];
15513 if (!rdev->ops->update_owe_info)
15514 return -EOPNOTSUPP;
15516 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
15517 !info->attrs[NL80211_ATTR_MAC])
15520 memset(&owe_info, 0, sizeof(owe_info));
15521 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15522 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
15524 if (info->attrs[NL80211_ATTR_IE]) {
15525 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
15526 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
15529 return rdev_update_owe_info(rdev, dev, &owe_info);
15532 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
15534 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15535 struct net_device *dev = info->user_ptr[1];
15536 struct wireless_dev *wdev = dev->ieee80211_ptr;
15537 struct station_info sinfo = {};
15543 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
15544 return -EOPNOTSUPP;
15546 if (!info->attrs[NL80211_ATTR_MAC] ||
15547 !info->attrs[NL80211_ATTR_FRAME]) {
15548 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
15552 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
15553 return -EOPNOTSUPP;
15555 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15556 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15557 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15559 if (len < sizeof(struct ethhdr))
15562 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
15563 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
15566 err = rdev_get_station(rdev, dev, dest, &sinfo);
15570 cfg80211_sinfo_release_content(&sinfo);
15572 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
15575 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
15576 struct nlattr *attrs[], struct net_device *dev,
15577 struct cfg80211_tid_cfg *tid_conf,
15578 struct genl_info *info, const u8 *peer,
15579 unsigned int link_id)
15581 struct netlink_ext_ack *extack = info->extack;
15585 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
15588 tid_conf->config_override =
15589 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
15590 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
15592 if (tid_conf->config_override) {
15593 if (rdev->ops->reset_tid_config) {
15594 err = rdev_reset_tid_config(rdev, dev, peer,
15603 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
15604 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
15606 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
15609 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
15610 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
15611 tid_conf->retry_short =
15612 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
15614 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
15618 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
15619 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
15620 tid_conf->retry_long =
15621 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
15623 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
15627 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
15628 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
15630 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
15633 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
15634 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
15636 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
15639 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
15640 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
15642 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
15645 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
15646 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
15648 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
15650 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
15651 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
15652 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
15653 &tid_conf->txrate_mask, dev,
15658 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
15660 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
15664 mask = rdev->wiphy.tid_config_support.peer;
15666 mask = rdev->wiphy.tid_config_support.vif;
15668 if (tid_conf->mask & ~mask) {
15669 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
15676 static int nl80211_set_tid_config(struct sk_buff *skb,
15677 struct genl_info *info)
15679 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15680 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
15681 unsigned int link_id = nl80211_link_id(info->attrs);
15682 struct net_device *dev = info->user_ptr[1];
15683 struct cfg80211_tid_config *tid_config;
15684 struct nlattr *tid;
15685 int conf_idx = 0, rem_conf;
15689 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
15692 if (!rdev->ops->set_tid_config)
15693 return -EOPNOTSUPP;
15695 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15699 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
15704 tid_config->n_tid_conf = num_conf;
15706 if (info->attrs[NL80211_ATTR_MAC])
15707 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15709 wdev_lock(dev->ieee80211_ptr);
15711 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15713 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
15719 ret = parse_tid_conf(rdev, attrs, dev,
15720 &tid_config->tid_conf[conf_idx],
15721 info, tid_config->peer, link_id);
15728 ret = rdev_set_tid_config(rdev, dev, tid_config);
15732 wdev_unlock(dev->ieee80211_ptr);
15736 static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info)
15738 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15739 struct cfg80211_color_change_settings params = {};
15740 struct net_device *dev = info->user_ptr[1];
15741 struct wireless_dev *wdev = dev->ieee80211_ptr;
15742 struct nlattr **tb;
15746 if (!rdev->ops->color_change)
15747 return -EOPNOTSUPP;
15749 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15750 NL80211_EXT_FEATURE_BSS_COLOR))
15751 return -EOPNOTSUPP;
15753 if (wdev->iftype != NL80211_IFTYPE_AP)
15754 return -EOPNOTSUPP;
15756 if (!info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT] ||
15757 !info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR] ||
15758 !info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS])
15761 params.count = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT]);
15762 params.color = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR]);
15764 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_next);
15768 tb = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*tb), GFP_KERNEL);
15772 err = nla_parse_nested(tb, NL80211_ATTR_MAX,
15773 info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS],
15774 nl80211_policy, info->extack);
15778 err = nl80211_parse_beacon(rdev, tb, ¶ms.beacon_color_change);
15782 if (!tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
15787 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) != sizeof(u16)) {
15792 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
15793 if (offset >= params.beacon_color_change.tail_len) {
15798 if (params.beacon_color_change.tail[offset] != params.count) {
15803 params.counter_offset_beacon = offset;
15805 if (tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
15806 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) !=
15812 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
15813 if (offset >= params.beacon_color_change.probe_resp_len) {
15818 if (params.beacon_color_change.probe_resp[offset] !=
15824 params.counter_offset_presp = offset;
15828 err = rdev_color_change(rdev, dev, ¶ms);
15832 kfree(params.beacon_next.mbssid_ies);
15833 kfree(params.beacon_color_change.mbssid_ies);
15838 static int nl80211_set_fils_aad(struct sk_buff *skb,
15839 struct genl_info *info)
15841 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15842 struct net_device *dev = info->user_ptr[1];
15843 struct cfg80211_fils_aad fils_aad = {};
15846 if (!info->attrs[NL80211_ATTR_MAC] ||
15847 !info->attrs[NL80211_ATTR_FILS_KEK] ||
15848 !info->attrs[NL80211_ATTR_FILS_NONCES])
15851 fils_aad.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15852 fils_aad.kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
15853 fils_aad.kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
15854 nonces = nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
15855 fils_aad.snonce = nonces;
15856 fils_aad.anonce = nonces + FILS_NONCE_LEN;
15858 return rdev_set_fils_aad(rdev, dev, &fils_aad);
15861 static int nl80211_add_link(struct sk_buff *skb, struct genl_info *info)
15863 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15864 unsigned int link_id = nl80211_link_id(info->attrs);
15865 struct net_device *dev = info->user_ptr[1];
15866 struct wireless_dev *wdev = dev->ieee80211_ptr;
15869 if (!(wdev->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
15872 switch (wdev->iftype) {
15873 case NL80211_IFTYPE_AP:
15879 if (!info->attrs[NL80211_ATTR_MAC] ||
15880 !is_valid_ether_addr(nla_data(info->attrs[NL80211_ATTR_MAC])))
15884 wdev->valid_links |= BIT(link_id);
15885 ether_addr_copy(wdev->links[link_id].addr,
15886 nla_data(info->attrs[NL80211_ATTR_MAC]));
15888 ret = rdev_add_intf_link(rdev, wdev, link_id);
15890 wdev->valid_links &= ~BIT(link_id);
15891 eth_zero_addr(wdev->links[link_id].addr);
15898 static int nl80211_remove_link(struct sk_buff *skb, struct genl_info *info)
15900 unsigned int link_id = nl80211_link_id(info->attrs);
15901 struct net_device *dev = info->user_ptr[1];
15902 struct wireless_dev *wdev = dev->ieee80211_ptr;
15904 /* cannot remove if there's no link */
15905 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
15908 switch (wdev->iftype) {
15909 case NL80211_IFTYPE_AP:
15916 cfg80211_remove_link(wdev, link_id);
15923 nl80211_add_mod_link_station(struct sk_buff *skb, struct genl_info *info,
15926 struct link_station_parameters params = {};
15927 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15928 struct net_device *dev = info->user_ptr[1];
15931 if ((add && !rdev->ops->add_link_station) ||
15932 (!add && !rdev->ops->mod_link_station))
15933 return -EOPNOTSUPP;
15935 if (add && !info->attrs[NL80211_ATTR_MAC])
15938 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
15941 if (add && !info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
15944 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
15946 if (info->attrs[NL80211_ATTR_MAC]) {
15947 params.link_mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
15948 if (!is_valid_ether_addr(params.link_mac))
15952 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
15955 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
15957 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
15958 params.supported_rates =
15959 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
15960 params.supported_rates_len =
15961 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
15964 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
15966 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
15968 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
15970 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
15972 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
15974 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
15975 params.he_capa_len =
15976 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
15978 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
15980 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
15981 params.eht_capa_len =
15982 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
15984 if (!ieee80211_eht_capa_size_ok((const u8 *)params.he_capa,
15985 (const u8 *)params.eht_capa,
15986 params.eht_capa_len,
15992 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
15993 params.he_6ghz_capa =
15994 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
15996 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
15997 params.opmode_notif_used = true;
15998 params.opmode_notif =
15999 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
16002 err = nl80211_parse_sta_txpower_setting(info, ¶ms.txpwr,
16003 ¶ms.txpwr_set);
16007 wdev_lock(dev->ieee80211_ptr);
16009 err = rdev_add_link_station(rdev, dev, ¶ms);
16011 err = rdev_mod_link_station(rdev, dev, ¶ms);
16012 wdev_unlock(dev->ieee80211_ptr);
16018 nl80211_add_link_station(struct sk_buff *skb, struct genl_info *info)
16020 return nl80211_add_mod_link_station(skb, info, true);
16024 nl80211_modify_link_station(struct sk_buff *skb, struct genl_info *info)
16026 return nl80211_add_mod_link_station(skb, info, false);
16030 nl80211_remove_link_station(struct sk_buff *skb, struct genl_info *info)
16032 struct link_station_del_parameters params = {};
16033 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16034 struct net_device *dev = info->user_ptr[1];
16037 if (!rdev->ops->del_link_station)
16038 return -EOPNOTSUPP;
16040 if (!info->attrs[NL80211_ATTR_MLD_ADDR] ||
16041 !info->attrs[NL80211_ATTR_MLO_LINK_ID])
16044 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
16045 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16047 wdev_lock(dev->ieee80211_ptr);
16048 ret = rdev_del_link_station(rdev, dev, ¶ms);
16049 wdev_unlock(dev->ieee80211_ptr);
16054 #define NL80211_FLAG_NEED_WIPHY 0x01
16055 #define NL80211_FLAG_NEED_NETDEV 0x02
16056 #define NL80211_FLAG_NEED_RTNL 0x04
16057 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
16058 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
16059 NL80211_FLAG_CHECK_NETDEV_UP)
16060 #define NL80211_FLAG_NEED_WDEV 0x10
16061 /* If a netdev is associated, it must be UP, P2P must be started */
16062 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
16063 NL80211_FLAG_CHECK_NETDEV_UP)
16064 #define NL80211_FLAG_CLEAR_SKB 0x20
16065 #define NL80211_FLAG_NO_WIPHY_MTX 0x40
16066 #define NL80211_FLAG_MLO_VALID_LINK_ID 0x80
16067 #define NL80211_FLAG_MLO_UNSUPPORTED 0x100
16069 #define INTERNAL_FLAG_SELECTORS(__sel) \
16070 SELECTOR(__sel, NONE, 0) /* must be first */ \
16071 SELECTOR(__sel, WIPHY, \
16072 NL80211_FLAG_NEED_WIPHY) \
16073 SELECTOR(__sel, WDEV, \
16074 NL80211_FLAG_NEED_WDEV) \
16075 SELECTOR(__sel, NETDEV, \
16076 NL80211_FLAG_NEED_NETDEV) \
16077 SELECTOR(__sel, NETDEV_LINK, \
16078 NL80211_FLAG_NEED_NETDEV | \
16079 NL80211_FLAG_MLO_VALID_LINK_ID) \
16080 SELECTOR(__sel, NETDEV_NO_MLO, \
16081 NL80211_FLAG_NEED_NETDEV | \
16082 NL80211_FLAG_MLO_UNSUPPORTED) \
16083 SELECTOR(__sel, WIPHY_RTNL, \
16084 NL80211_FLAG_NEED_WIPHY | \
16085 NL80211_FLAG_NEED_RTNL) \
16086 SELECTOR(__sel, WIPHY_RTNL_NOMTX, \
16087 NL80211_FLAG_NEED_WIPHY | \
16088 NL80211_FLAG_NEED_RTNL | \
16089 NL80211_FLAG_NO_WIPHY_MTX) \
16090 SELECTOR(__sel, WDEV_RTNL, \
16091 NL80211_FLAG_NEED_WDEV | \
16092 NL80211_FLAG_NEED_RTNL) \
16093 SELECTOR(__sel, NETDEV_RTNL, \
16094 NL80211_FLAG_NEED_NETDEV | \
16095 NL80211_FLAG_NEED_RTNL) \
16096 SELECTOR(__sel, NETDEV_UP, \
16097 NL80211_FLAG_NEED_NETDEV_UP) \
16098 SELECTOR(__sel, NETDEV_UP_LINK, \
16099 NL80211_FLAG_NEED_NETDEV_UP | \
16100 NL80211_FLAG_MLO_VALID_LINK_ID) \
16101 SELECTOR(__sel, NETDEV_UP_NO_MLO, \
16102 NL80211_FLAG_NEED_NETDEV_UP | \
16103 NL80211_FLAG_MLO_UNSUPPORTED) \
16104 SELECTOR(__sel, NETDEV_UP_NO_MLO_CLEAR, \
16105 NL80211_FLAG_NEED_NETDEV_UP | \
16106 NL80211_FLAG_CLEAR_SKB | \
16107 NL80211_FLAG_MLO_UNSUPPORTED) \
16108 SELECTOR(__sel, NETDEV_UP_NOTMX, \
16109 NL80211_FLAG_NEED_NETDEV_UP | \
16110 NL80211_FLAG_NO_WIPHY_MTX) \
16111 SELECTOR(__sel, NETDEV_UP_NOTMX_NOMLO, \
16112 NL80211_FLAG_NEED_NETDEV_UP | \
16113 NL80211_FLAG_NO_WIPHY_MTX | \
16114 NL80211_FLAG_MLO_UNSUPPORTED) \
16115 SELECTOR(__sel, NETDEV_UP_CLEAR, \
16116 NL80211_FLAG_NEED_NETDEV_UP | \
16117 NL80211_FLAG_CLEAR_SKB) \
16118 SELECTOR(__sel, WDEV_UP, \
16119 NL80211_FLAG_NEED_WDEV_UP) \
16120 SELECTOR(__sel, WDEV_UP_LINK, \
16121 NL80211_FLAG_NEED_WDEV_UP | \
16122 NL80211_FLAG_MLO_VALID_LINK_ID) \
16123 SELECTOR(__sel, WDEV_UP_RTNL, \
16124 NL80211_FLAG_NEED_WDEV_UP | \
16125 NL80211_FLAG_NEED_RTNL) \
16126 SELECTOR(__sel, WIPHY_CLEAR, \
16127 NL80211_FLAG_NEED_WIPHY | \
16128 NL80211_FLAG_CLEAR_SKB)
16130 enum nl80211_internal_flags_selector {
16131 #define SELECTOR(_, name, value) NL80211_IFL_SEL_##name,
16132 INTERNAL_FLAG_SELECTORS(_)
16136 static u32 nl80211_internal_flags[] = {
16137 #define SELECTOR(_, name, value) [NL80211_IFL_SEL_##name] = value,
16138 INTERNAL_FLAG_SELECTORS(_)
16142 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
16143 struct genl_info *info)
16145 struct cfg80211_registered_device *rdev = NULL;
16146 struct wireless_dev *wdev = NULL;
16147 struct net_device *dev = NULL;
16148 u32 internal_flags;
16151 if (WARN_ON(ops->internal_flags >= ARRAY_SIZE(nl80211_internal_flags)))
16154 internal_flags = nl80211_internal_flags[ops->internal_flags];
16157 if (internal_flags & NL80211_FLAG_NEED_WIPHY) {
16158 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
16159 if (IS_ERR(rdev)) {
16160 err = PTR_ERR(rdev);
16163 info->user_ptr[0] = rdev;
16164 } else if (internal_flags & NL80211_FLAG_NEED_NETDEV ||
16165 internal_flags & NL80211_FLAG_NEED_WDEV) {
16166 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
16168 if (IS_ERR(wdev)) {
16169 err = PTR_ERR(wdev);
16173 dev = wdev->netdev;
16175 rdev = wiphy_to_rdev(wdev->wiphy);
16177 if (internal_flags & NL80211_FLAG_NEED_NETDEV) {
16183 info->user_ptr[1] = dev;
16185 info->user_ptr[1] = wdev;
16188 if (internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
16189 !wdev_running(wdev)) {
16194 info->user_ptr[0] = rdev;
16197 if (internal_flags & NL80211_FLAG_MLO_VALID_LINK_ID) {
16198 struct nlattr *link_id = info->attrs[NL80211_ATTR_MLO_LINK_ID];
16205 /* MLO -> require valid link ID */
16206 if (wdev->valid_links &&
16208 !(wdev->valid_links & BIT(nla_get_u8(link_id))))) {
16213 /* non-MLO -> no link ID attribute accepted */
16214 if (!wdev->valid_links && link_id) {
16220 if (internal_flags & NL80211_FLAG_MLO_UNSUPPORTED) {
16221 if (info->attrs[NL80211_ATTR_MLO_LINK_ID] ||
16222 (wdev && wdev->valid_links)) {
16228 if (rdev && !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
16229 wiphy_lock(&rdev->wiphy);
16230 /* we keep the mutex locked until post_doit */
16231 __release(&rdev->wiphy.mtx);
16233 if (!(internal_flags & NL80211_FLAG_NEED_RTNL))
16243 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
16244 struct genl_info *info)
16246 u32 internal_flags = nl80211_internal_flags[ops->internal_flags];
16248 if (info->user_ptr[1]) {
16249 if (internal_flags & NL80211_FLAG_NEED_WDEV) {
16250 struct wireless_dev *wdev = info->user_ptr[1];
16252 dev_put(wdev->netdev);
16254 dev_put(info->user_ptr[1]);
16258 if (info->user_ptr[0] &&
16259 !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
16260 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16262 /* we kept the mutex locked since pre_doit */
16263 __acquire(&rdev->wiphy.mtx);
16264 wiphy_unlock(&rdev->wiphy);
16267 if (internal_flags & NL80211_FLAG_NEED_RTNL)
16270 /* If needed, clear the netlink message payload from the SKB
16271 * as it might contain key data that shouldn't stick around on
16272 * the heap after the SKB is freed. The netlink message header
16273 * is still needed for further processing, so leave it intact.
16275 if (internal_flags & NL80211_FLAG_CLEAR_SKB) {
16276 struct nlmsghdr *nlh = nlmsg_hdr(skb);
16278 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
16282 static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
16283 struct cfg80211_sar_specs *sar_specs,
16284 struct nlattr *spec[], int index)
16286 u32 range_index, i;
16288 if (!sar_specs || !spec)
16291 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
16292 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
16295 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
16297 /* check if range_index exceeds num_freq_ranges */
16298 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
16301 /* check if range_index duplicates */
16302 for (i = 0; i < index; i++) {
16303 if (sar_specs->sub_specs[i].freq_range_index == range_index)
16307 sar_specs->sub_specs[index].power =
16308 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
16310 sar_specs->sub_specs[index].freq_range_index = range_index;
16315 static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
16317 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16318 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
16319 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
16320 struct cfg80211_sar_specs *sar_spec;
16321 enum nl80211_sar_type type;
16322 struct nlattr *spec_list;
16326 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
16327 return -EOPNOTSUPP;
16329 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
16332 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
16333 info->attrs[NL80211_ATTR_SAR_SPEC],
16336 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
16339 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
16340 if (type != rdev->wiphy.sar_capa->type)
16344 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
16347 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
16350 sar_spec = kzalloc(struct_size(sar_spec, sub_specs, specs), GFP_KERNEL);
16354 sar_spec->type = type;
16356 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
16357 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
16358 spec_list, NULL, NULL);
16361 case NL80211_SAR_TYPE_POWER:
16362 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
16375 sar_spec->num_sub_specs = specs;
16377 rdev->cur_cmd_info = info;
16378 err = rdev_set_sar_specs(rdev, sar_spec);
16379 rdev->cur_cmd_info = NULL;
16385 #define SELECTOR(__sel, name, value) \
16386 ((__sel) == (value)) ? NL80211_IFL_SEL_##name :
16387 int __missing_selector(void);
16388 #define IFLAGS(__val) INTERNAL_FLAG_SELECTORS(__val) __missing_selector()
16390 static const struct genl_ops nl80211_ops[] = {
16392 .cmd = NL80211_CMD_GET_WIPHY,
16393 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16394 .doit = nl80211_get_wiphy,
16395 .dumpit = nl80211_dump_wiphy,
16396 .done = nl80211_dump_wiphy_done,
16397 /* can be retrieved by unprivileged users */
16398 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16402 static const struct genl_small_ops nl80211_small_ops[] = {
16404 .cmd = NL80211_CMD_SET_WIPHY,
16405 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16406 .doit = nl80211_set_wiphy,
16407 .flags = GENL_UNS_ADMIN_PERM,
16410 .cmd = NL80211_CMD_GET_INTERFACE,
16411 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16412 .doit = nl80211_get_interface,
16413 .dumpit = nl80211_dump_interface,
16414 /* can be retrieved by unprivileged users */
16415 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
16418 .cmd = NL80211_CMD_SET_INTERFACE,
16419 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16420 .doit = nl80211_set_interface,
16421 .flags = GENL_UNS_ADMIN_PERM,
16422 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16423 NL80211_FLAG_NEED_RTNL),
16426 .cmd = NL80211_CMD_NEW_INTERFACE,
16427 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16428 .doit = nl80211_new_interface,
16429 .flags = GENL_UNS_ADMIN_PERM,
16431 IFLAGS(NL80211_FLAG_NEED_WIPHY |
16432 NL80211_FLAG_NEED_RTNL |
16433 /* we take the wiphy mutex later ourselves */
16434 NL80211_FLAG_NO_WIPHY_MTX),
16437 .cmd = NL80211_CMD_DEL_INTERFACE,
16438 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16439 .doit = nl80211_del_interface,
16440 .flags = GENL_UNS_ADMIN_PERM,
16441 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
16442 NL80211_FLAG_NEED_RTNL),
16445 .cmd = NL80211_CMD_GET_KEY,
16446 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16447 .doit = nl80211_get_key,
16448 .flags = GENL_UNS_ADMIN_PERM,
16449 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16452 .cmd = NL80211_CMD_SET_KEY,
16453 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16454 .doit = nl80211_set_key,
16455 .flags = GENL_UNS_ADMIN_PERM,
16456 /* cannot use NL80211_FLAG_MLO_VALID_LINK_ID, depends on key */
16457 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16458 NL80211_FLAG_CLEAR_SKB),
16461 .cmd = NL80211_CMD_NEW_KEY,
16462 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16463 .doit = nl80211_new_key,
16464 .flags = GENL_UNS_ADMIN_PERM,
16465 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16466 NL80211_FLAG_CLEAR_SKB),
16469 .cmd = NL80211_CMD_DEL_KEY,
16470 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16471 .doit = nl80211_del_key,
16472 .flags = GENL_UNS_ADMIN_PERM,
16473 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16476 .cmd = NL80211_CMD_SET_BEACON,
16477 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16478 .flags = GENL_UNS_ADMIN_PERM,
16479 .doit = nl80211_set_beacon,
16480 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16481 NL80211_FLAG_MLO_VALID_LINK_ID),
16484 .cmd = NL80211_CMD_START_AP,
16485 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16486 .flags = GENL_UNS_ADMIN_PERM,
16487 .doit = nl80211_start_ap,
16488 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16489 NL80211_FLAG_MLO_VALID_LINK_ID),
16492 .cmd = NL80211_CMD_STOP_AP,
16493 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16494 .flags = GENL_UNS_ADMIN_PERM,
16495 .doit = nl80211_stop_ap,
16496 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16497 NL80211_FLAG_MLO_VALID_LINK_ID),
16500 .cmd = NL80211_CMD_GET_STATION,
16501 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16502 .doit = nl80211_get_station,
16503 .dumpit = nl80211_dump_station,
16504 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16507 .cmd = NL80211_CMD_SET_STATION,
16508 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16509 .doit = nl80211_set_station,
16510 .flags = GENL_UNS_ADMIN_PERM,
16511 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16514 .cmd = NL80211_CMD_NEW_STATION,
16515 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16516 .doit = nl80211_new_station,
16517 .flags = GENL_UNS_ADMIN_PERM,
16518 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16521 .cmd = NL80211_CMD_DEL_STATION,
16522 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16523 .doit = nl80211_del_station,
16524 .flags = GENL_UNS_ADMIN_PERM,
16525 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16528 .cmd = NL80211_CMD_GET_MPATH,
16529 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16530 .doit = nl80211_get_mpath,
16531 .dumpit = nl80211_dump_mpath,
16532 .flags = GENL_UNS_ADMIN_PERM,
16533 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16536 .cmd = NL80211_CMD_GET_MPP,
16537 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16538 .doit = nl80211_get_mpp,
16539 .dumpit = nl80211_dump_mpp,
16540 .flags = GENL_UNS_ADMIN_PERM,
16541 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16544 .cmd = NL80211_CMD_SET_MPATH,
16545 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16546 .doit = nl80211_set_mpath,
16547 .flags = GENL_UNS_ADMIN_PERM,
16548 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16551 .cmd = NL80211_CMD_NEW_MPATH,
16552 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16553 .doit = nl80211_new_mpath,
16554 .flags = GENL_UNS_ADMIN_PERM,
16555 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16558 .cmd = NL80211_CMD_DEL_MPATH,
16559 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16560 .doit = nl80211_del_mpath,
16561 .flags = GENL_UNS_ADMIN_PERM,
16562 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16565 .cmd = NL80211_CMD_SET_BSS,
16566 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16567 .doit = nl80211_set_bss,
16568 .flags = GENL_UNS_ADMIN_PERM,
16569 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16572 .cmd = NL80211_CMD_GET_REG,
16573 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16574 .doit = nl80211_get_reg_do,
16575 .dumpit = nl80211_get_reg_dump,
16576 /* can be retrieved by unprivileged users */
16578 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
16580 .cmd = NL80211_CMD_SET_REG,
16581 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16582 .doit = nl80211_set_reg,
16583 .flags = GENL_ADMIN_PERM,
16587 .cmd = NL80211_CMD_REQ_SET_REG,
16588 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16589 .doit = nl80211_req_set_reg,
16590 .flags = GENL_ADMIN_PERM,
16593 .cmd = NL80211_CMD_RELOAD_REGDB,
16594 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16595 .doit = nl80211_reload_regdb,
16596 .flags = GENL_ADMIN_PERM,
16599 .cmd = NL80211_CMD_GET_MESH_CONFIG,
16600 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16601 .doit = nl80211_get_mesh_config,
16602 /* can be retrieved by unprivileged users */
16603 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16606 .cmd = NL80211_CMD_SET_MESH_CONFIG,
16607 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16608 .doit = nl80211_update_mesh_config,
16609 .flags = GENL_UNS_ADMIN_PERM,
16610 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16613 .cmd = NL80211_CMD_TRIGGER_SCAN,
16614 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16615 .doit = nl80211_trigger_scan,
16616 .flags = GENL_UNS_ADMIN_PERM,
16617 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16620 .cmd = NL80211_CMD_ABORT_SCAN,
16621 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16622 .doit = nl80211_abort_scan,
16623 .flags = GENL_UNS_ADMIN_PERM,
16624 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16627 .cmd = NL80211_CMD_GET_SCAN,
16628 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16629 .dumpit = nl80211_dump_scan,
16632 .cmd = NL80211_CMD_START_SCHED_SCAN,
16633 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16634 .doit = nl80211_start_sched_scan,
16635 .flags = GENL_UNS_ADMIN_PERM,
16636 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16639 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
16640 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16641 .doit = nl80211_stop_sched_scan,
16642 .flags = GENL_UNS_ADMIN_PERM,
16643 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16646 .cmd = NL80211_CMD_AUTHENTICATE,
16647 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16648 .doit = nl80211_authenticate,
16649 .flags = GENL_UNS_ADMIN_PERM,
16650 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16651 NL80211_FLAG_CLEAR_SKB),
16654 .cmd = NL80211_CMD_ASSOCIATE,
16655 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16656 .doit = nl80211_associate,
16657 .flags = GENL_UNS_ADMIN_PERM,
16658 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16659 NL80211_FLAG_CLEAR_SKB),
16662 .cmd = NL80211_CMD_DEAUTHENTICATE,
16663 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16664 .doit = nl80211_deauthenticate,
16665 .flags = GENL_UNS_ADMIN_PERM,
16666 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16669 .cmd = NL80211_CMD_DISASSOCIATE,
16670 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16671 .doit = nl80211_disassociate,
16672 .flags = GENL_UNS_ADMIN_PERM,
16673 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16676 .cmd = NL80211_CMD_JOIN_IBSS,
16677 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16678 .doit = nl80211_join_ibss,
16679 .flags = GENL_UNS_ADMIN_PERM,
16680 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16683 .cmd = NL80211_CMD_LEAVE_IBSS,
16684 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16685 .doit = nl80211_leave_ibss,
16686 .flags = GENL_UNS_ADMIN_PERM,
16687 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16689 #ifdef CONFIG_NL80211_TESTMODE
16691 .cmd = NL80211_CMD_TESTMODE,
16692 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16693 .doit = nl80211_testmode_do,
16694 .dumpit = nl80211_testmode_dump,
16695 .flags = GENL_UNS_ADMIN_PERM,
16696 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16700 .cmd = NL80211_CMD_CONNECT,
16701 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16702 .doit = nl80211_connect,
16703 .flags = GENL_UNS_ADMIN_PERM,
16704 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16705 NL80211_FLAG_CLEAR_SKB),
16708 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
16709 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16710 .doit = nl80211_update_connect_params,
16711 .flags = GENL_ADMIN_PERM,
16712 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16713 NL80211_FLAG_CLEAR_SKB),
16716 .cmd = NL80211_CMD_DISCONNECT,
16717 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16718 .doit = nl80211_disconnect,
16719 .flags = GENL_UNS_ADMIN_PERM,
16720 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16723 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
16724 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16725 .doit = nl80211_wiphy_netns,
16726 .flags = GENL_UNS_ADMIN_PERM,
16727 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
16728 NL80211_FLAG_NEED_RTNL |
16729 NL80211_FLAG_NO_WIPHY_MTX),
16732 .cmd = NL80211_CMD_GET_SURVEY,
16733 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16734 .dumpit = nl80211_dump_survey,
16737 .cmd = NL80211_CMD_SET_PMKSA,
16738 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16739 .doit = nl80211_setdel_pmksa,
16740 .flags = GENL_UNS_ADMIN_PERM,
16741 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16742 NL80211_FLAG_CLEAR_SKB),
16745 .cmd = NL80211_CMD_DEL_PMKSA,
16746 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16747 .doit = nl80211_setdel_pmksa,
16748 .flags = GENL_UNS_ADMIN_PERM,
16749 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16752 .cmd = NL80211_CMD_FLUSH_PMKSA,
16753 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16754 .doit = nl80211_flush_pmksa,
16755 .flags = GENL_UNS_ADMIN_PERM,
16756 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16759 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
16760 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16761 .doit = nl80211_remain_on_channel,
16762 .flags = GENL_UNS_ADMIN_PERM,
16763 /* FIXME: requiring a link ID here is probably not good */
16764 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
16765 NL80211_FLAG_MLO_VALID_LINK_ID),
16768 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
16769 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16770 .doit = nl80211_cancel_remain_on_channel,
16771 .flags = GENL_UNS_ADMIN_PERM,
16772 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16775 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
16776 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16777 .doit = nl80211_set_tx_bitrate_mask,
16778 .flags = GENL_UNS_ADMIN_PERM,
16779 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16780 NL80211_FLAG_MLO_VALID_LINK_ID),
16783 .cmd = NL80211_CMD_REGISTER_FRAME,
16784 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16785 .doit = nl80211_register_mgmt,
16786 .flags = GENL_UNS_ADMIN_PERM,
16787 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
16790 .cmd = NL80211_CMD_FRAME,
16791 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16792 .doit = nl80211_tx_mgmt,
16793 .flags = GENL_UNS_ADMIN_PERM,
16794 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16797 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
16798 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16799 .doit = nl80211_tx_mgmt_cancel_wait,
16800 .flags = GENL_UNS_ADMIN_PERM,
16801 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16804 .cmd = NL80211_CMD_SET_POWER_SAVE,
16805 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16806 .doit = nl80211_set_power_save,
16807 .flags = GENL_UNS_ADMIN_PERM,
16808 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16811 .cmd = NL80211_CMD_GET_POWER_SAVE,
16812 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16813 .doit = nl80211_get_power_save,
16814 /* can be retrieved by unprivileged users */
16815 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16818 .cmd = NL80211_CMD_SET_CQM,
16819 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16820 .doit = nl80211_set_cqm,
16821 .flags = GENL_UNS_ADMIN_PERM,
16822 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16825 .cmd = NL80211_CMD_SET_CHANNEL,
16826 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16827 .doit = nl80211_set_channel,
16828 .flags = GENL_UNS_ADMIN_PERM,
16829 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16830 NL80211_FLAG_MLO_VALID_LINK_ID),
16833 .cmd = NL80211_CMD_JOIN_MESH,
16834 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16835 .doit = nl80211_join_mesh,
16836 .flags = GENL_UNS_ADMIN_PERM,
16837 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16840 .cmd = NL80211_CMD_LEAVE_MESH,
16841 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16842 .doit = nl80211_leave_mesh,
16843 .flags = GENL_UNS_ADMIN_PERM,
16844 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16847 .cmd = NL80211_CMD_JOIN_OCB,
16848 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16849 .doit = nl80211_join_ocb,
16850 .flags = GENL_UNS_ADMIN_PERM,
16851 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16854 .cmd = NL80211_CMD_LEAVE_OCB,
16855 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16856 .doit = nl80211_leave_ocb,
16857 .flags = GENL_UNS_ADMIN_PERM,
16858 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16862 .cmd = NL80211_CMD_GET_WOWLAN,
16863 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16864 .doit = nl80211_get_wowlan,
16865 /* can be retrieved by unprivileged users */
16866 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16869 .cmd = NL80211_CMD_SET_WOWLAN,
16870 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16871 .doit = nl80211_set_wowlan,
16872 .flags = GENL_UNS_ADMIN_PERM,
16873 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16877 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
16878 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16879 .doit = nl80211_set_rekey_data,
16880 .flags = GENL_UNS_ADMIN_PERM,
16881 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16882 NL80211_FLAG_CLEAR_SKB),
16885 .cmd = NL80211_CMD_TDLS_MGMT,
16886 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16887 .doit = nl80211_tdls_mgmt,
16888 .flags = GENL_UNS_ADMIN_PERM,
16889 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16892 .cmd = NL80211_CMD_TDLS_OPER,
16893 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16894 .doit = nl80211_tdls_oper,
16895 .flags = GENL_UNS_ADMIN_PERM,
16896 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16899 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
16900 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16901 .doit = nl80211_register_unexpected_frame,
16902 .flags = GENL_UNS_ADMIN_PERM,
16903 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16906 .cmd = NL80211_CMD_PROBE_CLIENT,
16907 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16908 .doit = nl80211_probe_client,
16909 .flags = GENL_UNS_ADMIN_PERM,
16910 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16913 .cmd = NL80211_CMD_REGISTER_BEACONS,
16914 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16915 .doit = nl80211_register_beacons,
16916 .flags = GENL_UNS_ADMIN_PERM,
16917 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16920 .cmd = NL80211_CMD_SET_NOACK_MAP,
16921 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16922 .doit = nl80211_set_noack_map,
16923 .flags = GENL_UNS_ADMIN_PERM,
16924 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16927 .cmd = NL80211_CMD_START_P2P_DEVICE,
16928 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16929 .doit = nl80211_start_p2p_device,
16930 .flags = GENL_UNS_ADMIN_PERM,
16931 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
16932 NL80211_FLAG_NEED_RTNL),
16935 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
16936 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16937 .doit = nl80211_stop_p2p_device,
16938 .flags = GENL_UNS_ADMIN_PERM,
16939 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
16940 NL80211_FLAG_NEED_RTNL),
16943 .cmd = NL80211_CMD_START_NAN,
16944 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16945 .doit = nl80211_start_nan,
16946 .flags = GENL_ADMIN_PERM,
16947 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
16948 NL80211_FLAG_NEED_RTNL),
16951 .cmd = NL80211_CMD_STOP_NAN,
16952 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16953 .doit = nl80211_stop_nan,
16954 .flags = GENL_ADMIN_PERM,
16955 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
16956 NL80211_FLAG_NEED_RTNL),
16959 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
16960 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16961 .doit = nl80211_nan_add_func,
16962 .flags = GENL_ADMIN_PERM,
16963 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16966 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
16967 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16968 .doit = nl80211_nan_del_func,
16969 .flags = GENL_ADMIN_PERM,
16970 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16973 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
16974 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16975 .doit = nl80211_nan_change_config,
16976 .flags = GENL_ADMIN_PERM,
16977 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16980 .cmd = NL80211_CMD_SET_MCAST_RATE,
16981 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16982 .doit = nl80211_set_mcast_rate,
16983 .flags = GENL_UNS_ADMIN_PERM,
16984 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16987 .cmd = NL80211_CMD_SET_MAC_ACL,
16988 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16989 .doit = nl80211_set_mac_acl,
16990 .flags = GENL_UNS_ADMIN_PERM,
16991 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16992 NL80211_FLAG_MLO_UNSUPPORTED),
16995 .cmd = NL80211_CMD_RADAR_DETECT,
16996 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16997 .doit = nl80211_start_radar_detection,
16998 .flags = GENL_UNS_ADMIN_PERM,
16999 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17000 NL80211_FLAG_NO_WIPHY_MTX |
17001 NL80211_FLAG_MLO_UNSUPPORTED),
17004 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
17005 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17006 .doit = nl80211_get_protocol_features,
17009 .cmd = NL80211_CMD_UPDATE_FT_IES,
17010 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17011 .doit = nl80211_update_ft_ies,
17012 .flags = GENL_UNS_ADMIN_PERM,
17013 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17016 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
17017 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17018 .doit = nl80211_crit_protocol_start,
17019 .flags = GENL_UNS_ADMIN_PERM,
17020 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17023 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
17024 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17025 .doit = nl80211_crit_protocol_stop,
17026 .flags = GENL_UNS_ADMIN_PERM,
17027 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17030 .cmd = NL80211_CMD_GET_COALESCE,
17031 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17032 .doit = nl80211_get_coalesce,
17033 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17036 .cmd = NL80211_CMD_SET_COALESCE,
17037 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17038 .doit = nl80211_set_coalesce,
17039 .flags = GENL_UNS_ADMIN_PERM,
17040 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17043 .cmd = NL80211_CMD_CHANNEL_SWITCH,
17044 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17045 .doit = nl80211_channel_switch,
17046 .flags = GENL_UNS_ADMIN_PERM,
17047 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17048 NL80211_FLAG_MLO_VALID_LINK_ID),
17051 .cmd = NL80211_CMD_VENDOR,
17052 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17053 .doit = nl80211_vendor_cmd,
17054 .dumpit = nl80211_vendor_cmd_dump,
17055 .flags = GENL_UNS_ADMIN_PERM,
17056 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17057 NL80211_FLAG_CLEAR_SKB),
17060 .cmd = NL80211_CMD_SET_QOS_MAP,
17061 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17062 .doit = nl80211_set_qos_map,
17063 .flags = GENL_UNS_ADMIN_PERM,
17064 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17067 .cmd = NL80211_CMD_ADD_TX_TS,
17068 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17069 .doit = nl80211_add_tx_ts,
17070 .flags = GENL_UNS_ADMIN_PERM,
17071 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17072 NL80211_FLAG_MLO_UNSUPPORTED),
17075 .cmd = NL80211_CMD_DEL_TX_TS,
17076 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17077 .doit = nl80211_del_tx_ts,
17078 .flags = GENL_UNS_ADMIN_PERM,
17079 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17082 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
17083 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17084 .doit = nl80211_tdls_channel_switch,
17085 .flags = GENL_UNS_ADMIN_PERM,
17086 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17089 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
17090 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17091 .doit = nl80211_tdls_cancel_channel_switch,
17092 .flags = GENL_UNS_ADMIN_PERM,
17093 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17096 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
17097 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17098 .doit = nl80211_set_multicast_to_unicast,
17099 .flags = GENL_UNS_ADMIN_PERM,
17100 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17103 .cmd = NL80211_CMD_SET_PMK,
17104 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17105 .doit = nl80211_set_pmk,
17106 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17107 NL80211_FLAG_CLEAR_SKB),
17110 .cmd = NL80211_CMD_DEL_PMK,
17111 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17112 .doit = nl80211_del_pmk,
17113 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17116 .cmd = NL80211_CMD_EXTERNAL_AUTH,
17117 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17118 .doit = nl80211_external_auth,
17119 .flags = GENL_ADMIN_PERM,
17120 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17123 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
17124 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17125 .doit = nl80211_tx_control_port,
17126 .flags = GENL_UNS_ADMIN_PERM,
17127 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17130 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
17131 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17132 .doit = nl80211_get_ftm_responder_stats,
17133 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17134 NL80211_FLAG_MLO_VALID_LINK_ID),
17137 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
17138 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17139 .doit = nl80211_pmsr_start,
17140 .flags = GENL_UNS_ADMIN_PERM,
17141 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17144 .cmd = NL80211_CMD_NOTIFY_RADAR,
17145 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17146 .doit = nl80211_notify_radar_detection,
17147 .flags = GENL_UNS_ADMIN_PERM,
17148 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17151 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
17152 .doit = nl80211_update_owe_info,
17153 .flags = GENL_ADMIN_PERM,
17154 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17157 .cmd = NL80211_CMD_PROBE_MESH_LINK,
17158 .doit = nl80211_probe_mesh_link,
17159 .flags = GENL_UNS_ADMIN_PERM,
17160 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17163 .cmd = NL80211_CMD_SET_TID_CONFIG,
17164 .doit = nl80211_set_tid_config,
17165 .flags = GENL_UNS_ADMIN_PERM,
17166 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17167 NL80211_FLAG_MLO_VALID_LINK_ID),
17170 .cmd = NL80211_CMD_SET_SAR_SPECS,
17171 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17172 .doit = nl80211_set_sar_specs,
17173 .flags = GENL_UNS_ADMIN_PERM,
17174 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17175 NL80211_FLAG_NEED_RTNL),
17178 .cmd = NL80211_CMD_COLOR_CHANGE_REQUEST,
17179 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17180 .doit = nl80211_color_change,
17181 .flags = GENL_UNS_ADMIN_PERM,
17182 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17185 .cmd = NL80211_CMD_SET_FILS_AAD,
17186 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17187 .doit = nl80211_set_fils_aad,
17188 .flags = GENL_UNS_ADMIN_PERM,
17189 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17192 .cmd = NL80211_CMD_ADD_LINK,
17193 .doit = nl80211_add_link,
17194 .flags = GENL_UNS_ADMIN_PERM,
17195 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17198 .cmd = NL80211_CMD_REMOVE_LINK,
17199 .doit = nl80211_remove_link,
17200 .flags = GENL_UNS_ADMIN_PERM,
17201 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17202 NL80211_FLAG_MLO_VALID_LINK_ID),
17205 .cmd = NL80211_CMD_ADD_LINK_STA,
17206 .doit = nl80211_add_link_station,
17207 .flags = GENL_UNS_ADMIN_PERM,
17208 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17209 NL80211_FLAG_MLO_VALID_LINK_ID),
17212 .cmd = NL80211_CMD_MODIFY_LINK_STA,
17213 .doit = nl80211_modify_link_station,
17214 .flags = GENL_UNS_ADMIN_PERM,
17215 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17216 NL80211_FLAG_MLO_VALID_LINK_ID),
17219 .cmd = NL80211_CMD_REMOVE_LINK_STA,
17220 .doit = nl80211_remove_link_station,
17221 .flags = GENL_UNS_ADMIN_PERM,
17222 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17223 NL80211_FLAG_MLO_VALID_LINK_ID),
17227 static struct genl_family nl80211_fam __ro_after_init = {
17228 .name = NL80211_GENL_NAME, /* have users key off the name instead */
17229 .hdrsize = 0, /* no private header */
17230 .version = 1, /* no particular meaning now */
17231 .maxattr = NL80211_ATTR_MAX,
17232 .policy = nl80211_policy,
17234 .pre_doit = nl80211_pre_doit,
17235 .post_doit = nl80211_post_doit,
17236 .module = THIS_MODULE,
17237 .ops = nl80211_ops,
17238 .n_ops = ARRAY_SIZE(nl80211_ops),
17239 .small_ops = nl80211_small_ops,
17240 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
17241 .resv_start_op = NL80211_CMD_REMOVE_LINK_STA + 1,
17242 .mcgrps = nl80211_mcgrps,
17243 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
17244 .parallel_ops = true,
17247 /* notification functions */
17249 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
17250 enum nl80211_commands cmd)
17252 struct sk_buff *msg;
17253 struct nl80211_dump_wiphy_state state = {};
17255 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
17256 cmd != NL80211_CMD_DEL_WIPHY);
17258 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17262 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
17267 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17268 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17271 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
17272 struct wireless_dev *wdev,
17273 enum nl80211_commands cmd)
17275 struct sk_buff *msg;
17277 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17281 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
17286 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17287 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17290 static int nl80211_add_scan_req(struct sk_buff *msg,
17291 struct cfg80211_registered_device *rdev)
17293 struct cfg80211_scan_request *req = rdev->scan_req;
17294 struct nlattr *nest;
17296 struct cfg80211_scan_info *info;
17301 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
17303 goto nla_put_failure;
17304 for (i = 0; i < req->n_ssids; i++) {
17305 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
17306 goto nla_put_failure;
17308 nla_nest_end(msg, nest);
17310 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
17311 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
17313 goto nla_put_failure;
17314 for (i = 0; i < req->n_channels; i++) {
17315 if (nla_put_u32(msg, i,
17316 ieee80211_channel_to_khz(req->channels[i])))
17317 goto nla_put_failure;
17319 nla_nest_end(msg, nest);
17321 nest = nla_nest_start_noflag(msg,
17322 NL80211_ATTR_SCAN_FREQUENCIES);
17324 goto nla_put_failure;
17325 for (i = 0; i < req->n_channels; i++) {
17326 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
17327 goto nla_put_failure;
17329 nla_nest_end(msg, nest);
17333 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
17334 goto nla_put_failure;
17337 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
17338 goto nla_put_failure;
17340 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
17341 &rdev->scan_req->info;
17342 if (info->scan_start_tsf &&
17343 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
17344 info->scan_start_tsf, NL80211_BSS_PAD) ||
17345 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
17347 goto nla_put_failure;
17354 static int nl80211_prep_scan_msg(struct sk_buff *msg,
17355 struct cfg80211_registered_device *rdev,
17356 struct wireless_dev *wdev,
17357 u32 portid, u32 seq, int flags,
17362 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
17366 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17367 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17368 wdev->netdev->ifindex)) ||
17369 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17371 goto nla_put_failure;
17373 /* ignore errors and send incomplete event anyway */
17374 nl80211_add_scan_req(msg, rdev);
17376 genlmsg_end(msg, hdr);
17380 genlmsg_cancel(msg, hdr);
17385 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
17386 struct cfg80211_sched_scan_request *req, u32 cmd)
17390 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17394 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
17395 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
17396 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
17397 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
17399 goto nla_put_failure;
17401 genlmsg_end(msg, hdr);
17405 genlmsg_cancel(msg, hdr);
17409 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
17410 struct wireless_dev *wdev)
17412 struct sk_buff *msg;
17414 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17418 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
17419 NL80211_CMD_TRIGGER_SCAN) < 0) {
17424 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17425 NL80211_MCGRP_SCAN, GFP_KERNEL);
17428 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
17429 struct wireless_dev *wdev, bool aborted)
17431 struct sk_buff *msg;
17433 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17437 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
17438 aborted ? NL80211_CMD_SCAN_ABORTED :
17439 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
17447 /* send message created by nl80211_build_scan_msg() */
17448 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
17449 struct sk_buff *msg)
17454 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17455 NL80211_MCGRP_SCAN, GFP_KERNEL);
17458 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
17460 struct sk_buff *msg;
17462 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17466 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
17471 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
17472 NL80211_MCGRP_SCAN, GFP_KERNEL);
17475 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
17476 struct regulatory_request *request)
17478 /* Userspace can always count this one always being set */
17479 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
17480 goto nla_put_failure;
17482 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
17483 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17484 NL80211_REGDOM_TYPE_WORLD))
17485 goto nla_put_failure;
17486 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
17487 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17488 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
17489 goto nla_put_failure;
17490 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
17491 request->intersect) {
17492 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17493 NL80211_REGDOM_TYPE_INTERSECTION))
17494 goto nla_put_failure;
17496 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17497 NL80211_REGDOM_TYPE_COUNTRY) ||
17498 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
17500 goto nla_put_failure;
17503 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
17504 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
17507 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
17508 goto nla_put_failure;
17511 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
17512 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
17513 goto nla_put_failure;
17523 * This can happen on global regulatory changes or device specific settings
17524 * based on custom regulatory domains.
17526 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
17527 struct regulatory_request *request)
17529 struct sk_buff *msg;
17532 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17536 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
17538 goto nla_put_failure;
17540 if (!nl80211_reg_change_event_fill(msg, request))
17541 goto nla_put_failure;
17543 genlmsg_end(msg, hdr);
17546 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
17547 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
17556 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
17557 struct net_device *netdev,
17558 const u8 *buf, size_t len,
17559 enum nl80211_commands cmd, gfp_t gfp,
17560 int uapsd_queues, const u8 *req_ies,
17561 size_t req_ies_len, bool reconnect)
17563 struct sk_buff *msg;
17566 msg = nlmsg_new(100 + len + req_ies_len, gfp);
17570 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17576 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17577 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17578 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
17580 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
17581 goto nla_put_failure;
17583 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
17584 goto nla_put_failure;
17586 if (uapsd_queues >= 0) {
17587 struct nlattr *nla_wmm =
17588 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
17590 goto nla_put_failure;
17592 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
17594 goto nla_put_failure;
17596 nla_nest_end(msg, nla_wmm);
17599 genlmsg_end(msg, hdr);
17601 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17602 NL80211_MCGRP_MLME, gfp);
17609 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
17610 struct net_device *netdev, const u8 *buf,
17611 size_t len, gfp_t gfp)
17613 nl80211_send_mlme_event(rdev, netdev, buf, len,
17614 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
17618 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
17619 struct net_device *netdev,
17620 struct cfg80211_rx_assoc_resp *data)
17622 nl80211_send_mlme_event(rdev, netdev, data->buf, data->len,
17623 NL80211_CMD_ASSOCIATE, GFP_KERNEL,
17624 data->uapsd_queues,
17625 data->req_ies, data->req_ies_len, false);
17628 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
17629 struct net_device *netdev, const u8 *buf,
17630 size_t len, bool reconnect, gfp_t gfp)
17632 nl80211_send_mlme_event(rdev, netdev, buf, len,
17633 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
17637 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
17638 struct net_device *netdev, const u8 *buf,
17639 size_t len, bool reconnect, gfp_t gfp)
17641 nl80211_send_mlme_event(rdev, netdev, buf, len,
17642 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
17646 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
17649 struct wireless_dev *wdev = dev->ieee80211_ptr;
17650 struct wiphy *wiphy = wdev->wiphy;
17651 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17652 const struct ieee80211_mgmt *mgmt = (void *)buf;
17655 if (WARN_ON(len < 2))
17658 if (ieee80211_is_deauth(mgmt->frame_control)) {
17659 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
17660 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
17661 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
17662 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
17663 if (wdev->unprot_beacon_reported &&
17664 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
17666 cmd = NL80211_CMD_UNPROT_BEACON;
17667 wdev->unprot_beacon_reported = jiffies;
17672 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
17673 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
17676 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
17678 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
17679 struct net_device *netdev, int cmd,
17680 const u8 *addr, gfp_t gfp)
17682 struct sk_buff *msg;
17685 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17689 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17695 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17696 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17697 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
17698 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
17699 goto nla_put_failure;
17701 genlmsg_end(msg, hdr);
17703 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17704 NL80211_MCGRP_MLME, gfp);
17711 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
17712 struct net_device *netdev, const u8 *addr,
17715 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
17719 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
17720 struct net_device *netdev, const u8 *addr,
17723 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
17727 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
17728 struct net_device *netdev,
17729 struct cfg80211_connect_resp_params *cr,
17732 struct sk_buff *msg;
17735 size_t link_info_size = 0;
17736 const u8 *connected_addr = cr->valid_links ?
17737 cr->ap_mld_addr : cr->links[0].bssid;
17739 if (cr->valid_links) {
17740 for_each_valid_link(cr, link) {
17741 /* Nested attribute header */
17742 link_info_size += NLA_HDRLEN;
17744 link_info_size += nla_total_size(sizeof(u8));
17745 link_info_size += cr->links[link].addr ?
17746 nla_total_size(ETH_ALEN) : 0;
17747 link_info_size += (cr->links[link].bssid ||
17748 cr->links[link].bss) ?
17749 nla_total_size(ETH_ALEN) : 0;
17753 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
17754 cr->fils.kek_len + cr->fils.pmk_len +
17755 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0) + link_info_size,
17760 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
17766 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17767 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17769 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr)) ||
17770 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
17771 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
17774 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
17775 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
17776 cr->timeout_reason))) ||
17778 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
17780 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
17782 (cr->fils.update_erp_next_seq_num &&
17783 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
17784 cr->fils.erp_next_seq_num)) ||
17785 (cr->status == WLAN_STATUS_SUCCESS &&
17787 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
17790 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
17792 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
17793 goto nla_put_failure;
17795 if (cr->valid_links) {
17797 struct nlattr *nested;
17799 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
17801 goto nla_put_failure;
17803 for_each_valid_link(cr, link) {
17804 struct nlattr *nested_mlo_links;
17805 const u8 *bssid = cr->links[link].bss ?
17806 cr->links[link].bss->bssid :
17807 cr->links[link].bssid;
17809 nested_mlo_links = nla_nest_start(msg, i);
17810 if (!nested_mlo_links)
17811 goto nla_put_failure;
17813 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
17815 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
17816 (cr->links[link].addr &&
17817 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
17818 cr->links[link].addr)))
17819 goto nla_put_failure;
17821 nla_nest_end(msg, nested_mlo_links);
17824 nla_nest_end(msg, nested);
17827 genlmsg_end(msg, hdr);
17829 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17830 NL80211_MCGRP_MLME, gfp);
17837 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
17838 struct net_device *netdev,
17839 struct cfg80211_roam_info *info, gfp_t gfp)
17841 struct sk_buff *msg;
17843 size_t link_info_size = 0;
17845 const u8 *connected_addr = info->ap_mld_addr ?
17846 info->ap_mld_addr :
17847 (info->links[0].bss ?
17848 info->links[0].bss->bssid :
17849 info->links[0].bssid);
17851 if (info->valid_links) {
17852 for_each_valid_link(info, link) {
17853 /* Nested attribute header */
17854 link_info_size += NLA_HDRLEN;
17856 link_info_size += nla_total_size(sizeof(u8));
17857 link_info_size += info->links[link].addr ?
17858 nla_total_size(ETH_ALEN) : 0;
17859 link_info_size += (info->links[link].bssid ||
17860 info->links[link].bss) ?
17861 nla_total_size(ETH_ALEN) : 0;
17865 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
17866 info->fils.kek_len + info->fils.pmk_len +
17867 (info->fils.pmkid ? WLAN_PMKID_LEN : 0) +
17868 link_info_size, gfp);
17872 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
17878 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17879 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17880 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr) ||
17882 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
17885 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
17887 (info->fils.update_erp_next_seq_num &&
17888 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
17889 info->fils.erp_next_seq_num)) ||
17891 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
17892 info->fils.kek)) ||
17894 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
17895 (info->fils.pmkid &&
17896 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
17897 goto nla_put_failure;
17899 if (info->valid_links) {
17901 struct nlattr *nested;
17903 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
17905 goto nla_put_failure;
17907 for_each_valid_link(info, link) {
17908 struct nlattr *nested_mlo_links;
17909 const u8 *bssid = info->links[link].bss ?
17910 info->links[link].bss->bssid :
17911 info->links[link].bssid;
17913 nested_mlo_links = nla_nest_start(msg, i);
17914 if (!nested_mlo_links)
17915 goto nla_put_failure;
17917 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
17919 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
17920 (info->links[link].addr &&
17921 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
17922 info->links[link].addr)))
17923 goto nla_put_failure;
17925 nla_nest_end(msg, nested_mlo_links);
17928 nla_nest_end(msg, nested);
17931 genlmsg_end(msg, hdr);
17933 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17934 NL80211_MCGRP_MLME, gfp);
17941 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
17942 struct net_device *netdev, const u8 *bssid)
17944 struct sk_buff *msg;
17947 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17951 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
17957 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17958 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17959 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
17960 goto nla_put_failure;
17962 genlmsg_end(msg, hdr);
17964 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17965 NL80211_MCGRP_MLME, GFP_KERNEL);
17972 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
17973 struct net_device *netdev, u16 reason,
17974 const u8 *ie, size_t ie_len, bool from_ap)
17976 struct sk_buff *msg;
17979 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
17983 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
17989 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17990 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17992 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
17994 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
17995 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
17996 goto nla_put_failure;
17998 genlmsg_end(msg, hdr);
18000 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18001 NL80211_MCGRP_MLME, GFP_KERNEL);
18008 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
18009 struct net_device *netdev, const u8 *bssid,
18012 struct sk_buff *msg;
18015 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18019 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
18025 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18026 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18027 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18028 goto nla_put_failure;
18030 genlmsg_end(msg, hdr);
18032 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18033 NL80211_MCGRP_MLME, gfp);
18040 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
18041 const u8 *ie, u8 ie_len,
18042 int sig_dbm, gfp_t gfp)
18044 struct wireless_dev *wdev = dev->ieee80211_ptr;
18045 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18046 struct sk_buff *msg;
18049 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
18052 trace_cfg80211_notify_new_peer_candidate(dev, addr);
18054 msg = nlmsg_new(100 + ie_len, gfp);
18058 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
18064 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18065 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18066 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
18068 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
18070 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
18071 goto nla_put_failure;
18073 genlmsg_end(msg, hdr);
18075 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18076 NL80211_MCGRP_MLME, gfp);
18082 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
18084 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
18085 struct net_device *netdev, const u8 *addr,
18086 enum nl80211_key_type key_type, int key_id,
18087 const u8 *tsc, gfp_t gfp)
18089 struct sk_buff *msg;
18092 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18096 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
18102 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18103 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18104 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
18105 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
18107 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
18108 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
18109 goto nla_put_failure;
18111 genlmsg_end(msg, hdr);
18113 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18114 NL80211_MCGRP_MLME, gfp);
18121 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
18122 struct ieee80211_channel *channel_before,
18123 struct ieee80211_channel *channel_after)
18125 struct sk_buff *msg;
18127 struct nlattr *nl_freq;
18129 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
18133 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
18140 * Since we are applying the beacon hint to a wiphy we know its
18141 * wiphy_idx is valid
18143 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
18144 goto nla_put_failure;
18147 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
18149 goto nla_put_failure;
18151 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
18152 goto nla_put_failure;
18153 nla_nest_end(msg, nl_freq);
18156 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
18158 goto nla_put_failure;
18160 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
18161 goto nla_put_failure;
18162 nla_nest_end(msg, nl_freq);
18164 genlmsg_end(msg, hdr);
18167 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
18168 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
18177 static void nl80211_send_remain_on_chan_event(
18178 int cmd, struct cfg80211_registered_device *rdev,
18179 struct wireless_dev *wdev, u64 cookie,
18180 struct ieee80211_channel *chan,
18181 unsigned int duration, gfp_t gfp)
18183 struct sk_buff *msg;
18186 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18190 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18196 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18197 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18198 wdev->netdev->ifindex)) ||
18199 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18200 NL80211_ATTR_PAD) ||
18201 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
18202 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
18203 NL80211_CHAN_NO_HT) ||
18204 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
18206 goto nla_put_failure;
18208 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
18209 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
18210 goto nla_put_failure;
18212 genlmsg_end(msg, hdr);
18214 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18215 NL80211_MCGRP_MLME, gfp);
18222 void cfg80211_assoc_comeback(struct net_device *netdev,
18223 const u8 *ap_addr, u32 timeout)
18225 struct wireless_dev *wdev = netdev->ieee80211_ptr;
18226 struct wiphy *wiphy = wdev->wiphy;
18227 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18228 struct sk_buff *msg;
18231 trace_cfg80211_assoc_comeback(wdev, ap_addr, timeout);
18233 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18237 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ASSOC_COMEBACK);
18243 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18244 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18245 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ap_addr) ||
18246 nla_put_u32(msg, NL80211_ATTR_TIMEOUT, timeout))
18247 goto nla_put_failure;
18249 genlmsg_end(msg, hdr);
18251 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18252 NL80211_MCGRP_MLME, GFP_KERNEL);
18258 EXPORT_SYMBOL(cfg80211_assoc_comeback);
18260 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
18261 struct ieee80211_channel *chan,
18262 unsigned int duration, gfp_t gfp)
18264 struct wiphy *wiphy = wdev->wiphy;
18265 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18267 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
18268 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
18269 rdev, wdev, cookie, chan,
18272 EXPORT_SYMBOL(cfg80211_ready_on_channel);
18274 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
18275 struct ieee80211_channel *chan,
18278 struct wiphy *wiphy = wdev->wiphy;
18279 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18281 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
18282 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
18283 rdev, wdev, cookie, chan, 0, gfp);
18285 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
18287 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
18288 struct ieee80211_channel *chan,
18291 struct wiphy *wiphy = wdev->wiphy;
18292 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18294 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
18295 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
18296 rdev, wdev, cookie, chan, 0, gfp);
18298 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
18300 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
18301 struct station_info *sinfo, gfp_t gfp)
18303 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18304 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18305 struct sk_buff *msg;
18307 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
18309 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18313 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
18314 rdev, dev, mac_addr, sinfo) < 0) {
18319 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18320 NL80211_MCGRP_MLME, gfp);
18322 EXPORT_SYMBOL(cfg80211_new_sta);
18324 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
18325 struct station_info *sinfo, gfp_t gfp)
18327 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18328 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18329 struct sk_buff *msg;
18330 struct station_info empty_sinfo = {};
18333 sinfo = &empty_sinfo;
18335 trace_cfg80211_del_sta(dev, mac_addr);
18337 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18339 cfg80211_sinfo_release_content(sinfo);
18343 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
18344 rdev, dev, mac_addr, sinfo) < 0) {
18349 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18350 NL80211_MCGRP_MLME, gfp);
18352 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
18354 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
18355 enum nl80211_connect_failed_reason reason,
18358 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18359 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18360 struct sk_buff *msg;
18363 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
18367 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
18373 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18374 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
18375 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
18376 goto nla_put_failure;
18378 genlmsg_end(msg, hdr);
18380 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18381 NL80211_MCGRP_MLME, gfp);
18387 EXPORT_SYMBOL(cfg80211_conn_failed);
18389 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
18390 const u8 *addr, gfp_t gfp)
18392 struct wireless_dev *wdev = dev->ieee80211_ptr;
18393 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18394 struct sk_buff *msg;
18396 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
18401 msg = nlmsg_new(100, gfp);
18405 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18411 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18412 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18413 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
18414 goto nla_put_failure;
18416 genlmsg_end(msg, hdr);
18417 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18425 bool cfg80211_rx_spurious_frame(struct net_device *dev,
18426 const u8 *addr, gfp_t gfp)
18428 struct wireless_dev *wdev = dev->ieee80211_ptr;
18431 trace_cfg80211_rx_spurious_frame(dev, addr);
18433 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18434 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
18435 trace_cfg80211_return_bool(false);
18438 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
18440 trace_cfg80211_return_bool(ret);
18443 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
18445 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
18446 const u8 *addr, gfp_t gfp)
18448 struct wireless_dev *wdev = dev->ieee80211_ptr;
18451 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
18453 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18454 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
18455 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
18456 trace_cfg80211_return_bool(false);
18459 ret = __nl80211_unexpected_frame(dev,
18460 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
18462 trace_cfg80211_return_bool(ret);
18465 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
18467 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
18468 struct wireless_dev *wdev, u32 nlportid,
18469 struct cfg80211_rx_info *info, gfp_t gfp)
18471 struct net_device *netdev = wdev->netdev;
18472 struct sk_buff *msg;
18475 msg = nlmsg_new(100 + info->len, gfp);
18479 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
18485 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18486 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18487 netdev->ifindex)) ||
18488 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18489 NL80211_ATTR_PAD) ||
18490 (info->have_link_id &&
18491 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, info->link_id)) ||
18492 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(info->freq)) ||
18493 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, info->freq % 1000) ||
18495 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, info->sig_dbm)) ||
18496 nla_put(msg, NL80211_ATTR_FRAME, info->len, info->buf) ||
18498 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, info->flags)) ||
18499 (info->rx_tstamp && nla_put_u64_64bit(msg,
18500 NL80211_ATTR_RX_HW_TIMESTAMP,
18502 NL80211_ATTR_PAD)) ||
18503 (info->ack_tstamp && nla_put_u64_64bit(msg,
18504 NL80211_ATTR_TX_HW_TIMESTAMP,
18506 NL80211_ATTR_PAD)))
18507 goto nla_put_failure;
18509 genlmsg_end(msg, hdr);
18511 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18518 static void nl80211_frame_tx_status(struct wireless_dev *wdev,
18519 struct cfg80211_tx_status *status,
18520 gfp_t gfp, enum nl80211_commands command)
18522 struct wiphy *wiphy = wdev->wiphy;
18523 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18524 struct net_device *netdev = wdev->netdev;
18525 struct sk_buff *msg;
18528 if (command == NL80211_CMD_FRAME_TX_STATUS)
18529 trace_cfg80211_mgmt_tx_status(wdev, status->cookie,
18532 trace_cfg80211_control_port_tx_status(wdev, status->cookie,
18535 msg = nlmsg_new(100 + status->len, gfp);
18539 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
18545 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18546 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18547 netdev->ifindex)) ||
18548 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18549 NL80211_ATTR_PAD) ||
18550 nla_put(msg, NL80211_ATTR_FRAME, status->len, status->buf) ||
18551 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, status->cookie,
18552 NL80211_ATTR_PAD) ||
18553 (status->ack && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
18554 (status->tx_tstamp &&
18555 nla_put_u64_64bit(msg, NL80211_ATTR_TX_HW_TIMESTAMP,
18556 status->tx_tstamp, NL80211_ATTR_PAD)) ||
18557 (status->ack_tstamp &&
18558 nla_put_u64_64bit(msg, NL80211_ATTR_RX_HW_TIMESTAMP,
18559 status->ack_tstamp, NL80211_ATTR_PAD)))
18560 goto nla_put_failure;
18562 genlmsg_end(msg, hdr);
18564 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18565 NL80211_MCGRP_MLME, gfp);
18572 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
18573 const u8 *buf, size_t len, bool ack,
18576 struct cfg80211_tx_status status = {
18583 nl80211_frame_tx_status(wdev, &status, gfp,
18584 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
18586 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
18588 void cfg80211_mgmt_tx_status_ext(struct wireless_dev *wdev,
18589 struct cfg80211_tx_status *status, gfp_t gfp)
18591 nl80211_frame_tx_status(wdev, status, gfp, NL80211_CMD_FRAME_TX_STATUS);
18593 EXPORT_SYMBOL(cfg80211_mgmt_tx_status_ext);
18595 static int __nl80211_rx_control_port(struct net_device *dev,
18596 struct sk_buff *skb,
18597 bool unencrypted, gfp_t gfp)
18599 struct wireless_dev *wdev = dev->ieee80211_ptr;
18600 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18601 struct ethhdr *ehdr = eth_hdr(skb);
18602 const u8 *addr = ehdr->h_source;
18603 u16 proto = be16_to_cpu(skb->protocol);
18604 struct sk_buff *msg;
18606 struct nlattr *frame;
18608 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
18613 msg = nlmsg_new(100 + skb->len, gfp);
18617 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
18623 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18624 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18625 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18626 NL80211_ATTR_PAD) ||
18627 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
18628 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
18629 (unencrypted && nla_put_flag(msg,
18630 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
18631 goto nla_put_failure;
18633 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
18635 goto nla_put_failure;
18637 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
18638 genlmsg_end(msg, hdr);
18640 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18647 bool cfg80211_rx_control_port(struct net_device *dev,
18648 struct sk_buff *skb, bool unencrypted)
18652 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
18653 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
18654 trace_cfg80211_return_bool(ret == 0);
18657 EXPORT_SYMBOL(cfg80211_rx_control_port);
18659 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
18660 const char *mac, gfp_t gfp)
18662 struct wireless_dev *wdev = dev->ieee80211_ptr;
18663 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18664 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18670 cb = (void **)msg->cb;
18672 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
18678 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18679 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
18680 goto nla_put_failure;
18682 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
18683 goto nla_put_failure;
18685 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
18687 goto nla_put_failure;
18697 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
18699 void **cb = (void **)msg->cb;
18700 struct cfg80211_registered_device *rdev = cb[2];
18702 nla_nest_end(msg, cb[1]);
18703 genlmsg_end(msg, cb[0]);
18705 memset(msg->cb, 0, sizeof(msg->cb));
18707 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18708 NL80211_MCGRP_MLME, gfp);
18711 void cfg80211_cqm_rssi_notify(struct net_device *dev,
18712 enum nl80211_cqm_rssi_threshold_event rssi_event,
18713 s32 rssi_level, gfp_t gfp)
18715 struct sk_buff *msg;
18716 struct wireless_dev *wdev = dev->ieee80211_ptr;
18717 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18719 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
18721 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
18722 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
18725 if (wdev->cqm_config) {
18726 wdev->cqm_config->last_rssi_event_value = rssi_level;
18728 cfg80211_cqm_rssi_update(rdev, dev);
18730 if (rssi_level == 0)
18731 rssi_level = wdev->cqm_config->last_rssi_event_value;
18734 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
18738 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
18740 goto nla_put_failure;
18742 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
18744 goto nla_put_failure;
18746 cfg80211_send_cqm(msg, gfp);
18753 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
18755 void cfg80211_cqm_txe_notify(struct net_device *dev,
18756 const u8 *peer, u32 num_packets,
18757 u32 rate, u32 intvl, gfp_t gfp)
18759 struct sk_buff *msg;
18761 msg = cfg80211_prepare_cqm(dev, peer, gfp);
18765 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
18766 goto nla_put_failure;
18768 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
18769 goto nla_put_failure;
18771 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
18772 goto nla_put_failure;
18774 cfg80211_send_cqm(msg, gfp);
18780 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
18782 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
18783 const u8 *peer, u32 num_packets, gfp_t gfp)
18785 struct sk_buff *msg;
18787 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
18789 msg = cfg80211_prepare_cqm(dev, peer, gfp);
18793 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
18794 goto nla_put_failure;
18796 cfg80211_send_cqm(msg, gfp);
18802 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
18804 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
18806 struct sk_buff *msg;
18808 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
18812 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
18813 goto nla_put_failure;
18815 cfg80211_send_cqm(msg, gfp);
18821 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
18823 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
18824 struct net_device *netdev, const u8 *bssid,
18825 const u8 *replay_ctr, gfp_t gfp)
18827 struct sk_buff *msg;
18828 struct nlattr *rekey_attr;
18831 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18835 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
18841 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18842 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18843 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18844 goto nla_put_failure;
18846 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
18848 goto nla_put_failure;
18850 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
18851 NL80211_REPLAY_CTR_LEN, replay_ctr))
18852 goto nla_put_failure;
18854 nla_nest_end(msg, rekey_attr);
18856 genlmsg_end(msg, hdr);
18858 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18859 NL80211_MCGRP_MLME, gfp);
18866 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
18867 const u8 *replay_ctr, gfp_t gfp)
18869 struct wireless_dev *wdev = dev->ieee80211_ptr;
18870 struct wiphy *wiphy = wdev->wiphy;
18871 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18873 trace_cfg80211_gtk_rekey_notify(dev, bssid);
18874 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
18876 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
18879 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
18880 struct net_device *netdev, int index,
18881 const u8 *bssid, bool preauth, gfp_t gfp)
18883 struct sk_buff *msg;
18884 struct nlattr *attr;
18887 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18891 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
18897 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18898 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
18899 goto nla_put_failure;
18901 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
18903 goto nla_put_failure;
18905 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
18906 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
18908 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
18909 goto nla_put_failure;
18911 nla_nest_end(msg, attr);
18913 genlmsg_end(msg, hdr);
18915 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18916 NL80211_MCGRP_MLME, gfp);
18923 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
18924 const u8 *bssid, bool preauth, gfp_t gfp)
18926 struct wireless_dev *wdev = dev->ieee80211_ptr;
18927 struct wiphy *wiphy = wdev->wiphy;
18928 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18930 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
18931 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
18933 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
18935 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
18936 struct net_device *netdev,
18937 unsigned int link_id,
18938 struct cfg80211_chan_def *chandef,
18940 enum nl80211_commands notif,
18941 u8 count, bool quiet)
18943 struct wireless_dev *wdev = netdev->ieee80211_ptr;
18944 struct sk_buff *msg;
18947 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18951 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
18957 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
18958 goto nla_put_failure;
18960 if (wdev->valid_links &&
18961 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
18962 goto nla_put_failure;
18964 if (nl80211_send_chandef(msg, chandef))
18965 goto nla_put_failure;
18967 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
18968 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
18969 goto nla_put_failure;
18971 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
18972 goto nla_put_failure;
18975 genlmsg_end(msg, hdr);
18977 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18978 NL80211_MCGRP_MLME, gfp);
18985 void cfg80211_ch_switch_notify(struct net_device *dev,
18986 struct cfg80211_chan_def *chandef,
18987 unsigned int link_id)
18989 struct wireless_dev *wdev = dev->ieee80211_ptr;
18990 struct wiphy *wiphy = wdev->wiphy;
18991 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18993 ASSERT_WDEV_LOCK(wdev);
18994 WARN_INVALID_LINK_ID(wdev, link_id);
18996 trace_cfg80211_ch_switch_notify(dev, chandef, link_id);
18998 switch (wdev->iftype) {
18999 case NL80211_IFTYPE_STATION:
19000 case NL80211_IFTYPE_P2P_CLIENT:
19001 if (!WARN_ON(!wdev->links[link_id].client.current_bss))
19002 cfg80211_update_assoc_bss_entry(wdev, link_id,
19005 case NL80211_IFTYPE_MESH_POINT:
19006 wdev->u.mesh.chandef = *chandef;
19007 wdev->u.mesh.preset_chandef = *chandef;
19009 case NL80211_IFTYPE_AP:
19010 case NL80211_IFTYPE_P2P_GO:
19011 wdev->links[link_id].ap.chandef = *chandef;
19013 case NL80211_IFTYPE_ADHOC:
19014 wdev->u.ibss.chandef = *chandef;
19021 cfg80211_sched_dfs_chan_update(rdev);
19023 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
19024 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false);
19026 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
19028 void cfg80211_ch_switch_started_notify(struct net_device *dev,
19029 struct cfg80211_chan_def *chandef,
19030 unsigned int link_id, u8 count,
19033 struct wireless_dev *wdev = dev->ieee80211_ptr;
19034 struct wiphy *wiphy = wdev->wiphy;
19035 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19037 ASSERT_WDEV_LOCK(wdev);
19038 WARN_INVALID_LINK_ID(wdev, link_id);
19040 trace_cfg80211_ch_switch_started_notify(dev, chandef, link_id);
19042 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
19043 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
19046 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
19048 int cfg80211_bss_color_notify(struct net_device *dev, gfp_t gfp,
19049 enum nl80211_commands cmd, u8 count,
19052 struct wireless_dev *wdev = dev->ieee80211_ptr;
19053 struct wiphy *wiphy = wdev->wiphy;
19054 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19055 struct sk_buff *msg;
19058 ASSERT_WDEV_LOCK(wdev);
19060 trace_cfg80211_bss_color_notify(dev, cmd, count, color_bitmap);
19062 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19066 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
19068 goto nla_put_failure;
19070 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19071 goto nla_put_failure;
19073 if (cmd == NL80211_CMD_COLOR_CHANGE_STARTED &&
19074 nla_put_u32(msg, NL80211_ATTR_COLOR_CHANGE_COUNT, count))
19075 goto nla_put_failure;
19077 if (cmd == NL80211_CMD_OBSS_COLOR_COLLISION &&
19078 nla_put_u64_64bit(msg, NL80211_ATTR_OBSS_COLOR_BITMAP,
19079 color_bitmap, NL80211_ATTR_PAD))
19080 goto nla_put_failure;
19082 genlmsg_end(msg, hdr);
19084 return genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
19085 msg, 0, NL80211_MCGRP_MLME, gfp);
19091 EXPORT_SYMBOL(cfg80211_bss_color_notify);
19094 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
19095 const struct cfg80211_chan_def *chandef,
19096 enum nl80211_radar_event event,
19097 struct net_device *netdev, gfp_t gfp)
19099 struct sk_buff *msg;
19102 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19106 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
19112 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19113 goto nla_put_failure;
19115 /* NOP and radar events don't need a netdev parameter */
19117 struct wireless_dev *wdev = netdev->ieee80211_ptr;
19119 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19120 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19122 goto nla_put_failure;
19125 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
19126 goto nla_put_failure;
19128 if (nl80211_send_chandef(msg, chandef))
19129 goto nla_put_failure;
19131 genlmsg_end(msg, hdr);
19133 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19134 NL80211_MCGRP_MLME, gfp);
19141 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
19142 struct sta_opmode_info *sta_opmode,
19145 struct sk_buff *msg;
19146 struct wireless_dev *wdev = dev->ieee80211_ptr;
19147 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19153 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19157 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
19163 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19164 goto nla_put_failure;
19166 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19167 goto nla_put_failure;
19169 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
19170 goto nla_put_failure;
19172 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
19173 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
19174 goto nla_put_failure;
19176 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
19177 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
19178 goto nla_put_failure;
19180 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
19181 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
19182 goto nla_put_failure;
19184 genlmsg_end(msg, hdr);
19186 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19187 NL80211_MCGRP_MLME, gfp);
19194 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
19196 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
19197 u64 cookie, bool acked, s32 ack_signal,
19198 bool is_valid_ack_signal, gfp_t gfp)
19200 struct wireless_dev *wdev = dev->ieee80211_ptr;
19201 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19202 struct sk_buff *msg;
19205 trace_cfg80211_probe_status(dev, addr, cookie, acked);
19207 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19212 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
19218 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19219 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19220 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
19221 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
19222 NL80211_ATTR_PAD) ||
19223 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
19224 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
19226 goto nla_put_failure;
19228 genlmsg_end(msg, hdr);
19230 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19231 NL80211_MCGRP_MLME, gfp);
19237 EXPORT_SYMBOL(cfg80211_probe_status);
19239 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
19240 size_t len, int freq, int sig_dbm)
19242 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19243 struct sk_buff *msg;
19245 struct cfg80211_beacon_registration *reg;
19247 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
19249 spin_lock_bh(&rdev->beacon_registrations_lock);
19250 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
19251 msg = nlmsg_new(len + 100, GFP_ATOMIC);
19253 spin_unlock_bh(&rdev->beacon_registrations_lock);
19257 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
19259 goto nla_put_failure;
19261 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19263 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
19264 KHZ_TO_MHZ(freq)) ||
19265 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
19268 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19269 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
19270 goto nla_put_failure;
19272 genlmsg_end(msg, hdr);
19274 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
19276 spin_unlock_bh(&rdev->beacon_registrations_lock);
19280 spin_unlock_bh(&rdev->beacon_registrations_lock);
19283 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
19286 static int cfg80211_net_detect_results(struct sk_buff *msg,
19287 struct cfg80211_wowlan_wakeup *wakeup)
19289 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
19290 struct nlattr *nl_results, *nl_match, *nl_freqs;
19293 nl_results = nla_nest_start_noflag(msg,
19294 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
19298 for (i = 0; i < nd->n_matches; i++) {
19299 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
19301 nl_match = nla_nest_start_noflag(msg, i);
19305 /* The SSID attribute is optional in nl80211, but for
19306 * simplicity reasons it's always present in the
19307 * cfg80211 structure. If a driver can't pass the
19308 * SSID, that needs to be changed. A zero length SSID
19309 * is still a valid SSID (wildcard), so it cannot be
19310 * used for this purpose.
19312 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
19313 match->ssid.ssid)) {
19314 nla_nest_cancel(msg, nl_match);
19318 if (match->n_channels) {
19319 nl_freqs = nla_nest_start_noflag(msg,
19320 NL80211_ATTR_SCAN_FREQUENCIES);
19322 nla_nest_cancel(msg, nl_match);
19326 for (j = 0; j < match->n_channels; j++) {
19327 if (nla_put_u32(msg, j, match->channels[j])) {
19328 nla_nest_cancel(msg, nl_freqs);
19329 nla_nest_cancel(msg, nl_match);
19334 nla_nest_end(msg, nl_freqs);
19337 nla_nest_end(msg, nl_match);
19341 nla_nest_end(msg, nl_results);
19345 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
19346 struct cfg80211_wowlan_wakeup *wakeup,
19349 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19350 struct sk_buff *msg;
19354 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
19357 size += wakeup->packet_present_len;
19359 msg = nlmsg_new(size, gfp);
19363 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
19367 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19368 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19372 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
19373 wdev->netdev->ifindex))
19377 struct nlattr *reasons;
19379 reasons = nla_nest_start_noflag(msg,
19380 NL80211_ATTR_WOWLAN_TRIGGERS);
19384 if (wakeup->disconnect &&
19385 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
19387 if (wakeup->magic_pkt &&
19388 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
19390 if (wakeup->gtk_rekey_failure &&
19391 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
19393 if (wakeup->eap_identity_req &&
19394 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
19396 if (wakeup->four_way_handshake &&
19397 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
19399 if (wakeup->rfkill_release &&
19400 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
19403 if (wakeup->pattern_idx >= 0 &&
19404 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
19405 wakeup->pattern_idx))
19408 if (wakeup->tcp_match &&
19409 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
19412 if (wakeup->tcp_connlost &&
19413 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
19416 if (wakeup->tcp_nomoretokens &&
19418 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
19421 if (wakeup->packet) {
19422 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
19423 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
19425 if (!wakeup->packet_80211) {
19427 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
19429 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
19432 if (wakeup->packet_len &&
19433 nla_put_u32(msg, len_attr, wakeup->packet_len))
19436 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
19441 if (wakeup->net_detect &&
19442 cfg80211_net_detect_results(msg, wakeup))
19445 nla_nest_end(msg, reasons);
19448 genlmsg_end(msg, hdr);
19450 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19451 NL80211_MCGRP_MLME, gfp);
19457 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
19460 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
19461 enum nl80211_tdls_operation oper,
19462 u16 reason_code, gfp_t gfp)
19464 struct wireless_dev *wdev = dev->ieee80211_ptr;
19465 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19466 struct sk_buff *msg;
19469 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
19472 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19476 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
19482 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19483 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19484 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
19485 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
19486 (reason_code > 0 &&
19487 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
19488 goto nla_put_failure;
19490 genlmsg_end(msg, hdr);
19492 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19493 NL80211_MCGRP_MLME, gfp);
19499 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
19501 static int nl80211_netlink_notify(struct notifier_block * nb,
19502 unsigned long state,
19505 struct netlink_notify *notify = _notify;
19506 struct cfg80211_registered_device *rdev;
19507 struct wireless_dev *wdev;
19508 struct cfg80211_beacon_registration *reg, *tmp;
19510 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
19511 return NOTIFY_DONE;
19515 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
19516 struct cfg80211_sched_scan_request *sched_scan_req;
19518 list_for_each_entry_rcu(sched_scan_req,
19519 &rdev->sched_scan_req_list,
19521 if (sched_scan_req->owner_nlportid == notify->portid) {
19522 sched_scan_req->nl_owner_dead = true;
19523 schedule_work(&rdev->sched_scan_stop_wk);
19527 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
19528 cfg80211_mlme_unregister_socket(wdev, notify->portid);
19530 if (wdev->owner_nlportid == notify->portid) {
19531 wdev->nl_owner_dead = true;
19532 schedule_work(&rdev->destroy_work);
19533 } else if (wdev->conn_owner_nlportid == notify->portid) {
19534 schedule_work(&wdev->disconnect_wk);
19537 cfg80211_release_pmsr(wdev, notify->portid);
19540 spin_lock_bh(&rdev->beacon_registrations_lock);
19541 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
19543 if (reg->nlportid == notify->portid) {
19544 list_del(®->list);
19549 spin_unlock_bh(&rdev->beacon_registrations_lock);
19555 * It is possible that the user space process that is controlling the
19556 * indoor setting disappeared, so notify the regulatory core.
19558 regulatory_netlink_notify(notify->portid);
19562 static struct notifier_block nl80211_netlink_notifier = {
19563 .notifier_call = nl80211_netlink_notify,
19566 void cfg80211_ft_event(struct net_device *netdev,
19567 struct cfg80211_ft_event_params *ft_event)
19569 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
19570 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19571 struct sk_buff *msg;
19574 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
19576 if (!ft_event->target_ap)
19579 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
19584 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
19588 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19589 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19590 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
19593 if (ft_event->ies &&
19594 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
19596 if (ft_event->ric_ies &&
19597 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
19598 ft_event->ric_ies))
19601 genlmsg_end(msg, hdr);
19603 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19604 NL80211_MCGRP_MLME, GFP_KERNEL);
19609 EXPORT_SYMBOL(cfg80211_ft_event);
19611 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
19613 struct cfg80211_registered_device *rdev;
19614 struct sk_buff *msg;
19618 rdev = wiphy_to_rdev(wdev->wiphy);
19619 if (!rdev->crit_proto_nlportid)
19622 nlportid = rdev->crit_proto_nlportid;
19623 rdev->crit_proto_nlportid = 0;
19625 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19629 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
19631 goto nla_put_failure;
19633 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19634 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19636 goto nla_put_failure;
19638 genlmsg_end(msg, hdr);
19640 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
19646 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
19648 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
19650 struct wiphy *wiphy = wdev->wiphy;
19651 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19652 struct sk_buff *msg;
19655 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
19659 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
19663 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19664 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
19665 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19669 genlmsg_end(msg, hdr);
19671 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
19672 NL80211_MCGRP_MLME, GFP_KERNEL);
19678 int cfg80211_external_auth_request(struct net_device *dev,
19679 struct cfg80211_external_auth_params *params,
19682 struct wireless_dev *wdev = dev->ieee80211_ptr;
19683 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19684 struct sk_buff *msg;
19687 if (!wdev->conn_owner_nlportid)
19690 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19694 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
19696 goto nla_put_failure;
19698 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19699 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19700 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
19701 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
19703 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
19704 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
19705 params->ssid.ssid))
19706 goto nla_put_failure;
19708 genlmsg_end(msg, hdr);
19709 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
19710 wdev->conn_owner_nlportid);
19717 EXPORT_SYMBOL(cfg80211_external_auth_request);
19719 void cfg80211_update_owe_info_event(struct net_device *netdev,
19720 struct cfg80211_update_owe_info *owe_info,
19723 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
19724 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19725 struct sk_buff *msg;
19728 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
19730 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19734 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
19736 goto nla_put_failure;
19738 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19739 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19740 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
19741 goto nla_put_failure;
19743 if (!owe_info->ie_len ||
19744 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
19745 goto nla_put_failure;
19747 genlmsg_end(msg, hdr);
19749 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19750 NL80211_MCGRP_MLME, gfp);
19754 genlmsg_cancel(msg, hdr);
19757 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
19759 /* initialisation/exit functions */
19761 int __init nl80211_init(void)
19765 err = genl_register_family(&nl80211_fam);
19769 err = netlink_register_notifier(&nl80211_netlink_notifier);
19775 genl_unregister_family(&nl80211_fam);
19779 void nl80211_exit(void)
19781 netlink_unregister_notifier(&nl80211_netlink_notifier);
19782 genl_unregister_family(&nl80211_fam);