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) 2018-2023 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 for_each_rdev(rdev) {
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 },
326 [NL80211_PMSR_FTM_REQ_ATTR_BSS_COLOR] = { .type = NLA_U8 },
329 static const struct nla_policy
330 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
331 [NL80211_PMSR_TYPE_FTM] =
332 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
335 static const struct nla_policy
336 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
337 [NL80211_PMSR_REQ_ATTR_DATA] =
338 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
339 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
342 static const struct nla_policy
343 nl80211_pmsr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
344 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
345 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
346 [NL80211_PMSR_PEER_ATTR_REQ] =
347 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
348 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
351 static const struct nla_policy
352 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
353 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
354 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
355 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
356 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
357 [NL80211_PMSR_ATTR_PEERS] =
358 NLA_POLICY_NESTED_ARRAY(nl80211_pmsr_peer_attr_policy),
361 static const struct nla_policy
362 he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
363 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
364 NLA_POLICY_RANGE(NLA_U8, 1, 20),
365 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
366 NLA_POLICY_RANGE(NLA_U8, 1, 20),
367 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
368 NLA_POLICY_RANGE(NLA_U8, 1, 20),
369 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
370 NLA_POLICY_EXACT_LEN(8),
371 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
372 NLA_POLICY_EXACT_LEN(8),
373 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
376 static const struct nla_policy
377 he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
378 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
379 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
380 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
383 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
384 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
385 .len = NL80211_MAX_SUPP_RATES },
386 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
387 .len = NL80211_MAX_SUPP_HT_RATES },
388 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
389 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
390 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
391 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
392 NL80211_RATE_INFO_HE_GI_0_8,
393 NL80211_RATE_INFO_HE_GI_3_2),
394 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
395 NL80211_RATE_INFO_HE_1XLTF,
396 NL80211_RATE_INFO_HE_4XLTF),
399 static const struct nla_policy
400 nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
401 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
402 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
403 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
404 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
405 [NL80211_TID_CONFIG_ATTR_NOACK] =
406 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
407 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
408 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
409 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
410 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
411 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
412 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
413 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
414 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
415 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
416 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
417 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
418 NLA_POLICY_NESTED(nl80211_txattr_policy),
421 static const struct nla_policy
422 nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
423 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
424 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
425 [NL80211_FILS_DISCOVERY_ATTR_TMPL] =
426 NLA_POLICY_RANGE(NLA_BINARY,
427 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
428 IEEE80211_MAX_DATA_LEN),
431 static const struct nla_policy
432 nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
433 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
434 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
435 .len = IEEE80211_MAX_DATA_LEN }
438 static const struct nla_policy
439 sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = {
440 [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 },
441 [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 },
444 static const struct nla_policy
445 sar_policy[NL80211_SAR_ATTR_MAX + 1] = {
446 [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE),
447 [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy),
450 static const struct nla_policy
451 nl80211_mbssid_config_policy[NL80211_MBSSID_CONFIG_ATTR_MAX + 1] = {
452 [NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES] = NLA_POLICY_MIN(NLA_U8, 2),
453 [NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY] =
454 NLA_POLICY_MIN(NLA_U8, 1),
455 [NL80211_MBSSID_CONFIG_ATTR_INDEX] = { .type = NLA_U8 },
456 [NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX] = { .type = NLA_U32 },
457 [NL80211_MBSSID_CONFIG_ATTR_EMA] = { .type = NLA_FLAG },
460 static const struct nla_policy
461 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
462 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
463 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
466 static const struct netlink_range_validation nl80211_punct_bitmap_range = {
471 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
472 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
473 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
474 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
476 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
478 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
479 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
480 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
481 NL80211_EDMG_CHANNELS_MIN,
482 NL80211_EDMG_CHANNELS_MAX),
483 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
484 NL80211_EDMG_BW_CONFIG_MIN,
485 NL80211_EDMG_BW_CONFIG_MAX),
487 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
488 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
489 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
490 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
492 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
493 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
494 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
495 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
496 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
497 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
499 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
500 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
501 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
503 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
504 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
506 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
507 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
508 .len = WLAN_MAX_KEY_LEN },
509 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
510 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
511 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
512 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
513 [NL80211_ATTR_KEY_TYPE] =
514 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
516 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
517 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
518 [NL80211_ATTR_BEACON_HEAD] =
519 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
520 IEEE80211_MAX_DATA_LEN),
521 [NL80211_ATTR_BEACON_TAIL] =
522 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
523 IEEE80211_MAX_DATA_LEN),
524 [NL80211_ATTR_STA_AID] =
525 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
526 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
527 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
528 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
529 .len = NL80211_MAX_SUPP_RATES },
530 [NL80211_ATTR_STA_PLINK_ACTION] =
531 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
532 [NL80211_ATTR_STA_TX_POWER_SETTING] =
533 NLA_POLICY_RANGE(NLA_U8,
534 NL80211_TX_POWER_AUTOMATIC,
535 NL80211_TX_POWER_FIXED),
536 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
537 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
538 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
539 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
540 .len = IEEE80211_MAX_MESH_ID_LEN },
541 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
543 /* allow 3 for NUL-termination, we used to declare this NLA_STRING */
544 [NL80211_ATTR_REG_ALPHA2] = NLA_POLICY_RANGE(NLA_BINARY, 2, 3),
545 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
547 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
548 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
549 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
550 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
551 .len = NL80211_MAX_SUPP_RATES },
552 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
554 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
555 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
557 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
559 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
560 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
562 IEEE80211_MAX_DATA_LEN),
563 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
564 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
566 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
567 .len = IEEE80211_MAX_SSID_LEN },
568 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
569 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
570 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
571 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
572 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
574 NL80211_MFP_OPTIONAL),
575 [NL80211_ATTR_STA_FLAGS2] =
576 NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_sta_flag_update)),
577 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
578 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
579 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
580 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
581 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
582 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
583 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
584 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
585 [NL80211_ATTR_PID] = { .type = NLA_U32 },
586 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
587 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
588 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
589 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
590 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
591 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
592 .len = IEEE80211_MAX_DATA_LEN },
593 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
594 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
597 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
598 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
599 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
600 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
601 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
602 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
603 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
604 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
605 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
606 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
607 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
608 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
609 [NL80211_ATTR_STA_PLINK_STATE] =
610 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
611 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
612 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
613 [NL80211_ATTR_MESH_PEER_AID] =
614 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
615 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
616 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
617 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
618 [NL80211_ATTR_HIDDEN_SSID] =
619 NLA_POLICY_RANGE(NLA_U32,
620 NL80211_HIDDEN_SSID_NOT_IN_USE,
621 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
622 [NL80211_ATTR_IE_PROBE_RESP] =
623 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
624 IEEE80211_MAX_DATA_LEN),
625 [NL80211_ATTR_IE_ASSOC_RESP] =
626 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
627 IEEE80211_MAX_DATA_LEN),
628 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
629 [NL80211_ATTR_STA_WME] = NLA_POLICY_NESTED(nl80211_sta_wme_policy),
630 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
631 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
632 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
633 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
634 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
635 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
636 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
637 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
638 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
639 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
640 .len = IEEE80211_MAX_DATA_LEN },
641 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
642 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
643 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
644 .len = NL80211_HT_CAPABILITY_LEN
646 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
647 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
648 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
649 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
650 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
652 /* need to include at least Auth Transaction and Status Code */
653 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
655 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
656 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
657 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
658 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
659 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
660 NLA_POLICY_RANGE(NLA_U32,
661 NL80211_MESH_POWER_UNKNOWN + 1,
662 NL80211_MESH_POWER_MAX),
663 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
664 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
665 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
666 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
667 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
668 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
669 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
670 .len = NL80211_VHT_CAPABILITY_LEN,
672 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
673 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
674 .len = IEEE80211_MAX_DATA_LEN },
675 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
676 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
677 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
678 [NL80211_ATTR_PEER_AID] =
679 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
680 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
681 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
682 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
683 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
684 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
685 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
687 * The value of the Length field of the Supported Operating
688 * Classes element is between 2 and 253.
690 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
691 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
692 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
693 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
694 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
695 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
696 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
697 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
698 IEEE80211_QOS_MAP_LEN_MIN,
699 IEEE80211_QOS_MAP_LEN_MAX),
700 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
701 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
702 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
703 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
704 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
705 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
706 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
707 [NL80211_ATTR_USER_PRIO] =
708 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
709 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
710 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
711 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
712 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
713 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
714 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
715 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
716 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
717 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
718 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
719 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
720 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
721 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
722 .len = VHT_MUMIMO_GROUPS_DATA_LEN
724 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
725 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
726 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
727 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
728 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
729 .len = FILS_MAX_KEK_LEN },
730 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
731 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
732 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
733 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
734 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
735 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
737 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
738 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
739 .len = FILS_ERP_MAX_USERNAME_LEN },
740 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
741 .len = FILS_ERP_MAX_REALM_LEN },
742 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
743 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
744 .len = FILS_ERP_MAX_RRK_LEN },
745 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
746 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
747 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
748 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
749 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
751 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
752 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
753 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
754 [NL80211_ATTR_HE_CAPABILITY] =
755 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_he_capa,
756 NL80211_HE_MAX_CAPABILITY_LEN),
757 [NL80211_ATTR_FTM_RESPONDER] =
758 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
759 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
760 [NL80211_ATTR_PEER_MEASUREMENTS] =
761 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
762 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
763 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
764 .len = SAE_PASSWORD_MAX_LEN },
765 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
766 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
767 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
768 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
769 [NL80211_ATTR_TID_CONFIG] =
770 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
771 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
772 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
773 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
774 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
775 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
776 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
777 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
778 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
779 [NL80211_ATTR_FILS_DISCOVERY] =
780 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
781 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
782 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
783 [NL80211_ATTR_S1G_CAPABILITY] =
784 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
785 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
786 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
787 [NL80211_ATTR_SAE_PWE] =
788 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
789 NL80211_SAE_PWE_BOTH),
790 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
791 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
792 [NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG },
793 [NL80211_ATTR_OBSS_COLOR_BITMAP] = { .type = NLA_U64 },
794 [NL80211_ATTR_COLOR_CHANGE_COUNT] = { .type = NLA_U8 },
795 [NL80211_ATTR_COLOR_CHANGE_COLOR] = { .type = NLA_U8 },
796 [NL80211_ATTR_COLOR_CHANGE_ELEMS] = NLA_POLICY_NESTED(nl80211_policy),
797 [NL80211_ATTR_MBSSID_CONFIG] =
798 NLA_POLICY_NESTED(nl80211_mbssid_config_policy),
799 [NL80211_ATTR_MBSSID_ELEMS] = { .type = NLA_NESTED },
800 [NL80211_ATTR_RADAR_BACKGROUND] = { .type = NLA_FLAG },
801 [NL80211_ATTR_AP_SETTINGS_FLAGS] = { .type = NLA_U32 },
802 [NL80211_ATTR_EHT_CAPABILITY] =
803 NLA_POLICY_RANGE(NLA_BINARY,
804 NL80211_EHT_MIN_CAPABILITY_LEN,
805 NL80211_EHT_MAX_CAPABILITY_LEN),
806 [NL80211_ATTR_DISABLE_EHT] = { .type = NLA_FLAG },
807 [NL80211_ATTR_MLO_LINKS] =
808 NLA_POLICY_NESTED_ARRAY(nl80211_policy),
809 [NL80211_ATTR_MLO_LINK_ID] =
810 NLA_POLICY_RANGE(NLA_U8, 0, IEEE80211_MLD_MAX_NUM_LINKS),
811 [NL80211_ATTR_MLD_ADDR] = NLA_POLICY_EXACT_LEN(ETH_ALEN),
812 [NL80211_ATTR_MLO_SUPPORT] = { .type = NLA_FLAG },
813 [NL80211_ATTR_MAX_NUM_AKM_SUITES] = { .type = NLA_REJECT },
814 [NL80211_ATTR_PUNCT_BITMAP] =
815 NLA_POLICY_FULL_RANGE(NLA_U32, &nl80211_punct_bitmap_range),
817 [NL80211_ATTR_MAX_HW_TIMESTAMP_PEERS] = { .type = NLA_U16 },
818 [NL80211_ATTR_HW_TIMESTAMP_ENABLED] = { .type = NLA_FLAG },
819 [NL80211_ATTR_EMA_RNR_ELEMS] = { .type = NLA_NESTED },
820 [NL80211_ATTR_MLO_LINK_DISABLED] = { .type = NLA_FLAG },
821 [NL80211_ATTR_BSS_DUMP_INCLUDE_USE_DATA] = { .type = NLA_FLAG },
822 [NL80211_ATTR_MLO_TTLM_DLINK] = NLA_POLICY_EXACT_LEN(sizeof(u16) * 8),
823 [NL80211_ATTR_MLO_TTLM_ULINK] = NLA_POLICY_EXACT_LEN(sizeof(u16) * 8),
826 /* policy for the key attributes */
827 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
828 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
829 [NL80211_KEY_IDX] = { .type = NLA_U8 },
830 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
831 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
832 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
833 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
834 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
835 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
836 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
839 /* policy for the key default flags */
840 static const struct nla_policy
841 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
842 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
843 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
847 /* policy for WoWLAN attributes */
848 static const struct nla_policy
849 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
850 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
851 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
852 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
853 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
854 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
855 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
856 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
857 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
858 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
859 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
862 static const struct nla_policy
863 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
864 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
865 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
866 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
867 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
868 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
869 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
870 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
871 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
873 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
874 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
876 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
877 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
878 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
880 #endif /* CONFIG_PM */
882 /* policy for coalesce rule attributes */
883 static const struct nla_policy
884 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
885 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
886 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
887 NLA_POLICY_RANGE(NLA_U32,
888 NL80211_COALESCE_CONDITION_MATCH,
889 NL80211_COALESCE_CONDITION_NO_MATCH),
890 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
893 /* policy for GTK rekey offload attributes */
894 static const struct nla_policy
895 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
896 [NL80211_REKEY_DATA_KEK] = {
898 .len = NL80211_KEK_EXT_LEN
900 [NL80211_REKEY_DATA_KCK] = {
902 .len = NL80211_KCK_EXT_LEN_32
904 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
905 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
908 static const struct nla_policy
909 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
910 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
911 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
912 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
913 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
914 [NL80211_BAND_LC] = { .type = NLA_S32 },
917 static const struct nla_policy
918 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
919 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
920 .len = IEEE80211_MAX_SSID_LEN },
921 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
922 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
923 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
924 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
927 static const struct nla_policy
928 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
929 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
930 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
933 static const struct nla_policy
934 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
935 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
936 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
937 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
938 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
942 /* policy for NAN function attributes */
943 static const struct nla_policy
944 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
945 [NL80211_NAN_FUNC_TYPE] =
946 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
947 [NL80211_NAN_FUNC_SERVICE_ID] = {
948 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
949 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
950 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
951 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
952 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
953 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
954 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
955 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
956 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
957 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
958 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
959 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
960 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
961 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
962 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
963 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
966 /* policy for Service Response Filter attributes */
967 static const struct nla_policy
968 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
969 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
970 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
971 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
972 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
973 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
976 /* policy for packet pattern attributes */
977 static const struct nla_policy
978 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
979 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
980 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
981 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
984 static int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
985 struct cfg80211_registered_device **rdev,
986 struct wireless_dev **wdev,
987 struct nlattr **attrbuf)
992 struct nlattr **attrbuf_free = NULL;
995 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
999 attrbuf_free = attrbuf;
1002 err = nlmsg_parse_deprecated(cb->nlh,
1003 GENL_HDRLEN + nl80211_fam.hdrsize,
1004 attrbuf, nl80211_fam.maxattr,
1005 nl80211_policy, NULL);
1007 kfree(attrbuf_free);
1012 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
1014 kfree(attrbuf_free);
1015 if (IS_ERR(*wdev)) {
1017 return PTR_ERR(*wdev);
1019 *rdev = wiphy_to_rdev((*wdev)->wiphy);
1020 mutex_lock(&(*rdev)->wiphy.mtx);
1022 /* 0 is the first index - add 1 to parse only once */
1023 cb->args[0] = (*rdev)->wiphy_idx + 1;
1024 cb->args[1] = (*wdev)->identifier;
1026 /* subtract the 1 again here */
1027 struct wiphy *wiphy;
1028 struct wireless_dev *tmp;
1031 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
1036 *rdev = wiphy_to_rdev(wiphy);
1039 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
1040 if (tmp->identifier == cb->args[1]) {
1050 mutex_lock(&(*rdev)->wiphy.mtx);
1057 /* message building helper */
1058 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
1061 /* since there is no private header just add the generic one */
1062 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
1065 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
1066 const struct ieee80211_reg_rule *rule)
1069 struct nlattr *nl_wmm_rules =
1070 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
1073 goto nla_put_failure;
1075 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
1076 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
1079 goto nla_put_failure;
1081 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
1082 rule->wmm_rule.client[j].cw_min) ||
1083 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
1084 rule->wmm_rule.client[j].cw_max) ||
1085 nla_put_u8(msg, NL80211_WMMR_AIFSN,
1086 rule->wmm_rule.client[j].aifsn) ||
1087 nla_put_u16(msg, NL80211_WMMR_TXOP,
1088 rule->wmm_rule.client[j].cot))
1089 goto nla_put_failure;
1091 nla_nest_end(msg, nl_wmm_rule);
1093 nla_nest_end(msg, nl_wmm_rules);
1101 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
1102 struct ieee80211_channel *chan,
1105 /* Some channels must be completely excluded from the
1106 * list to protect old user-space tools from breaking
1108 if (!large && chan->flags &
1109 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1111 if (!large && chan->freq_offset)
1114 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1116 goto nla_put_failure;
1118 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1119 goto nla_put_failure;
1121 if ((chan->flags & IEEE80211_CHAN_PSD) &&
1122 nla_put_s8(msg, NL80211_FREQUENCY_ATTR_PSD, chan->psd))
1123 goto nla_put_failure;
1125 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1126 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1127 goto nla_put_failure;
1128 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1129 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1130 goto nla_put_failure;
1131 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1132 goto nla_put_failure;
1134 if (chan->flags & IEEE80211_CHAN_RADAR) {
1135 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1136 goto nla_put_failure;
1140 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1142 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1144 goto nla_put_failure;
1145 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1147 goto nla_put_failure;
1148 if (nla_put_u32(msg,
1149 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1151 goto nla_put_failure;
1156 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1157 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1158 goto nla_put_failure;
1159 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1160 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1161 goto nla_put_failure;
1162 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1163 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1164 goto nla_put_failure;
1165 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1166 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1167 goto nla_put_failure;
1168 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1169 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1170 goto nla_put_failure;
1171 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1172 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
1173 goto nla_put_failure;
1174 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1175 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1176 goto nla_put_failure;
1177 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1178 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1179 goto nla_put_failure;
1180 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1181 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1182 goto nla_put_failure;
1183 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1184 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1185 goto nla_put_failure;
1186 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1187 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1188 goto nla_put_failure;
1189 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1190 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1191 goto nla_put_failure;
1192 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1193 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1194 goto nla_put_failure;
1195 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1196 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1197 goto nla_put_failure;
1198 if ((chan->flags & IEEE80211_CHAN_NO_320MHZ) &&
1199 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_320MHZ))
1200 goto nla_put_failure;
1201 if ((chan->flags & IEEE80211_CHAN_NO_EHT) &&
1202 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_EHT))
1203 goto nla_put_failure;
1204 if ((chan->flags & IEEE80211_CHAN_DFS_CONCURRENT) &&
1205 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DFS_CONCURRENT))
1206 goto nla_put_failure;
1207 if ((chan->flags & IEEE80211_CHAN_NO_UHB_VLP_CLIENT) &&
1208 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_UHB_VLP_CLIENT))
1209 goto nla_put_failure;
1210 if ((chan->flags & IEEE80211_CHAN_NO_UHB_AFC_CLIENT) &&
1211 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_UHB_AFC_CLIENT))
1212 goto nla_put_failure;
1215 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1216 DBM_TO_MBM(chan->max_power)))
1217 goto nla_put_failure;
1220 const struct ieee80211_reg_rule *rule =
1221 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
1223 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
1224 if (nl80211_msg_put_wmm_rules(msg, rule))
1225 goto nla_put_failure;
1235 static bool nl80211_put_txq_stats(struct sk_buff *msg,
1236 struct cfg80211_txq_stats *txqstats,
1239 struct nlattr *txqattr;
1241 #define PUT_TXQVAL_U32(attr, memb) do { \
1242 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1243 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1247 txqattr = nla_nest_start_noflag(msg, attrtype);
1251 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1252 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1253 PUT_TXQVAL_U32(FLOWS, flows);
1254 PUT_TXQVAL_U32(DROPS, drops);
1255 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1256 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1257 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1258 PUT_TXQVAL_U32(COLLISIONS, collisions);
1259 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1260 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1261 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1262 nla_nest_end(msg, txqattr);
1264 #undef PUT_TXQVAL_U32
1268 /* netlink command implementations */
1271 * nl80211_link_id - return link ID
1272 * @attrs: attributes to look at
1274 * Returns: the link ID or 0 if not given
1276 * Note this function doesn't do any validation of the link
1277 * ID validity wrt. links that were actually added, so it must
1278 * be called only from ops with %NL80211_FLAG_MLO_VALID_LINK_ID
1279 * or if additional validation is done.
1281 static unsigned int nl80211_link_id(struct nlattr **attrs)
1283 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1288 return nla_get_u8(linkid);
1291 static int nl80211_link_id_or_invalid(struct nlattr **attrs)
1293 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1298 return nla_get_u8(linkid);
1302 struct key_params p;
1305 bool def, defmgmt, defbeacon;
1306 bool def_uni, def_multi;
1309 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1310 struct key_parse *k)
1312 struct nlattr *tb[NL80211_KEY_MAX + 1];
1313 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1319 k->def = !!tb[NL80211_KEY_DEFAULT];
1320 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1321 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
1325 k->def_multi = true;
1327 if (k->defmgmt || k->defbeacon)
1328 k->def_multi = true;
1330 if (tb[NL80211_KEY_IDX])
1331 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1333 if (tb[NL80211_KEY_DATA]) {
1334 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1335 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1338 if (tb[NL80211_KEY_SEQ]) {
1339 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1340 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1343 if (tb[NL80211_KEY_CIPHER])
1344 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1346 if (tb[NL80211_KEY_TYPE])
1347 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1349 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1350 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1352 err = nla_parse_nested_deprecated(kdt,
1353 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1354 tb[NL80211_KEY_DEFAULT_TYPES],
1355 nl80211_key_default_policy,
1360 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1361 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1364 if (tb[NL80211_KEY_MODE])
1365 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1370 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1372 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1373 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1374 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1377 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1378 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1379 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1382 if (info->attrs[NL80211_ATTR_KEY_IDX])
1383 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1385 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1386 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1388 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1389 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1393 k->def_multi = true;
1396 k->def_multi = true;
1398 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1399 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1401 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1402 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1403 int err = nla_parse_nested_deprecated(kdt,
1404 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1405 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1406 nl80211_key_default_policy,
1411 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1412 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1418 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1422 memset(k, 0, sizeof(*k));
1426 if (info->attrs[NL80211_ATTR_KEY])
1427 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1429 err = nl80211_parse_key_old(info, k);
1434 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1435 (k->defbeacon ? 1 : 0) > 1) {
1436 GENL_SET_ERR_MSG(info,
1437 "key with multiple default flags is invalid");
1441 if (k->defmgmt || k->defbeacon) {
1442 if (k->def_uni || !k->def_multi) {
1443 GENL_SET_ERR_MSG(info,
1444 "defmgmt/defbeacon key must be mcast");
1451 if (k->idx < 4 || k->idx > 5) {
1452 GENL_SET_ERR_MSG(info,
1453 "defmgmt key idx not 4 or 5");
1456 } else if (k->defbeacon) {
1457 if (k->idx < 6 || k->idx > 7) {
1458 GENL_SET_ERR_MSG(info,
1459 "defbeacon key idx not 6 or 7");
1462 } else if (k->def) {
1463 if (k->idx < 0 || k->idx > 3) {
1464 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1468 if (k->idx < 0 || k->idx > 7) {
1469 GENL_SET_ERR_MSG(info, "key idx not 0-7");
1478 static struct cfg80211_cached_keys *
1479 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1480 struct genl_info *info, bool *no_ht)
1482 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1483 struct key_parse parse;
1485 struct cfg80211_cached_keys *result;
1486 int rem, err, def = 0;
1487 bool have_key = false;
1489 nla_for_each_nested(key, keys, rem) {
1497 result = kzalloc(sizeof(*result), GFP_KERNEL);
1499 return ERR_PTR(-ENOMEM);
1503 nla_for_each_nested(key, keys, rem) {
1504 memset(&parse, 0, sizeof(parse));
1507 err = nl80211_parse_key_new(info, key, &parse);
1513 if (parse.idx < 0 || parse.idx > 3) {
1514 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1519 GENL_SET_ERR_MSG(info,
1520 "only one key can be default");
1524 result->def = parse.idx;
1525 if (!parse.def_uni || !parse.def_multi)
1527 } else if (parse.defmgmt)
1529 err = cfg80211_validate_key_settings(rdev, &parse.p,
1530 parse.idx, false, NULL);
1533 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1534 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1535 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1539 result->params[parse.idx].cipher = parse.p.cipher;
1540 result->params[parse.idx].key_len = parse.p.key_len;
1541 result->params[parse.idx].key = result->data[parse.idx];
1542 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1544 /* must be WEP key if we got here */
1549 if (result->def < 0) {
1551 GENL_SET_ERR_MSG(info, "need a default/TX key");
1558 return ERR_PTR(err);
1561 static int nl80211_key_allowed(struct wireless_dev *wdev)
1563 lockdep_assert_wiphy(wdev->wiphy);
1565 switch (wdev->iftype) {
1566 case NL80211_IFTYPE_AP:
1567 case NL80211_IFTYPE_AP_VLAN:
1568 case NL80211_IFTYPE_P2P_GO:
1569 case NL80211_IFTYPE_MESH_POINT:
1571 case NL80211_IFTYPE_ADHOC:
1572 if (wdev->u.ibss.current_bss)
1575 case NL80211_IFTYPE_STATION:
1576 case NL80211_IFTYPE_P2P_CLIENT:
1577 if (wdev->connected)
1580 case NL80211_IFTYPE_NAN:
1581 if (wiphy_ext_feature_isset(wdev->wiphy,
1582 NL80211_EXT_FEATURE_SECURE_NAN))
1585 case NL80211_IFTYPE_UNSPECIFIED:
1586 case NL80211_IFTYPE_OCB:
1587 case NL80211_IFTYPE_MONITOR:
1588 case NL80211_IFTYPE_P2P_DEVICE:
1589 case NL80211_IFTYPE_WDS:
1590 case NUM_NL80211_IFTYPES:
1597 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1600 struct ieee80211_channel *chan;
1602 chan = ieee80211_get_channel_khz(wiphy, freq);
1603 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1608 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1610 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1614 goto nla_put_failure;
1618 if ((ifmodes & 1) && nla_put_flag(msg, i))
1619 goto nla_put_failure;
1624 nla_nest_end(msg, nl_modes);
1631 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1632 struct sk_buff *msg,
1635 struct nlattr *nl_combis;
1638 nl_combis = nla_nest_start_noflag(msg,
1639 NL80211_ATTR_INTERFACE_COMBINATIONS);
1641 goto nla_put_failure;
1643 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1644 const struct ieee80211_iface_combination *c;
1645 struct nlattr *nl_combi, *nl_limits;
1647 c = &wiphy->iface_combinations[i];
1649 nl_combi = nla_nest_start_noflag(msg, i + 1);
1651 goto nla_put_failure;
1653 nl_limits = nla_nest_start_noflag(msg,
1654 NL80211_IFACE_COMB_LIMITS);
1656 goto nla_put_failure;
1658 for (j = 0; j < c->n_limits; j++) {
1659 struct nlattr *nl_limit;
1661 nl_limit = nla_nest_start_noflag(msg, j + 1);
1663 goto nla_put_failure;
1664 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1666 goto nla_put_failure;
1667 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1668 c->limits[j].types))
1669 goto nla_put_failure;
1670 nla_nest_end(msg, nl_limit);
1673 nla_nest_end(msg, nl_limits);
1675 if (c->beacon_int_infra_match &&
1676 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1677 goto nla_put_failure;
1678 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1679 c->num_different_channels) ||
1680 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1682 goto nla_put_failure;
1684 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1685 c->radar_detect_widths) ||
1686 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1687 c->radar_detect_regions)))
1688 goto nla_put_failure;
1689 if (c->beacon_int_min_gcd &&
1690 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1691 c->beacon_int_min_gcd))
1692 goto nla_put_failure;
1694 nla_nest_end(msg, nl_combi);
1697 nla_nest_end(msg, nl_combis);
1705 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1706 struct sk_buff *msg)
1708 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1709 struct nlattr *nl_tcp;
1714 nl_tcp = nla_nest_start_noflag(msg,
1715 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1719 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1720 tcp->data_payload_max))
1723 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1724 tcp->data_payload_max))
1727 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1730 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1731 sizeof(*tcp->tok), tcp->tok))
1734 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1735 tcp->data_interval_max))
1738 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1739 tcp->wake_payload_max))
1742 nla_nest_end(msg, nl_tcp);
1746 static int nl80211_send_wowlan(struct sk_buff *msg,
1747 struct cfg80211_registered_device *rdev,
1750 struct nlattr *nl_wowlan;
1752 if (!rdev->wiphy.wowlan)
1755 nl_wowlan = nla_nest_start_noflag(msg,
1756 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1760 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1761 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1762 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1763 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1764 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1765 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1766 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1767 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1768 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1769 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1770 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1771 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1772 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1773 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1774 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1775 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1778 if (rdev->wiphy.wowlan->n_patterns) {
1779 struct nl80211_pattern_support pat = {
1780 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1781 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1782 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1783 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1786 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1791 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1792 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1793 rdev->wiphy.wowlan->max_nd_match_sets))
1796 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1799 nla_nest_end(msg, nl_wowlan);
1805 static int nl80211_send_coalesce(struct sk_buff *msg,
1806 struct cfg80211_registered_device *rdev)
1808 struct nl80211_coalesce_rule_support rule;
1810 if (!rdev->wiphy.coalesce)
1813 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1814 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1815 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1816 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1817 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1818 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1820 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1827 nl80211_send_iftype_data(struct sk_buff *msg,
1828 const struct ieee80211_supported_band *sband,
1829 const struct ieee80211_sband_iftype_data *iftdata)
1831 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1832 const struct ieee80211_sta_eht_cap *eht_cap = &iftdata->eht_cap;
1834 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1835 iftdata->types_mask))
1838 if (he_cap->has_he) {
1839 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1840 sizeof(he_cap->he_cap_elem.mac_cap_info),
1841 he_cap->he_cap_elem.mac_cap_info) ||
1842 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1843 sizeof(he_cap->he_cap_elem.phy_cap_info),
1844 he_cap->he_cap_elem.phy_cap_info) ||
1845 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1846 sizeof(he_cap->he_mcs_nss_supp),
1847 &he_cap->he_mcs_nss_supp) ||
1848 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1849 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1853 if (eht_cap->has_eht && he_cap->has_he) {
1854 u8 mcs_nss_size, ppe_thresh_size;
1858 is_ap = iftdata->types_mask & BIT(NL80211_IFTYPE_AP) ||
1859 iftdata->types_mask & BIT(NL80211_IFTYPE_P2P_GO);
1862 ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
1863 &eht_cap->eht_cap_elem,
1866 ppe_thres_hdr = get_unaligned_le16(&eht_cap->eht_ppe_thres[0]);
1868 ieee80211_eht_ppe_size(ppe_thres_hdr,
1869 eht_cap->eht_cap_elem.phy_cap_info);
1871 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC,
1872 sizeof(eht_cap->eht_cap_elem.mac_cap_info),
1873 eht_cap->eht_cap_elem.mac_cap_info) ||
1874 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY,
1875 sizeof(eht_cap->eht_cap_elem.phy_cap_info),
1876 eht_cap->eht_cap_elem.phy_cap_info) ||
1877 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET,
1878 mcs_nss_size, &eht_cap->eht_mcs_nss_supp) ||
1879 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE,
1880 ppe_thresh_size, eht_cap->eht_ppe_thres))
1884 if (sband->band == NL80211_BAND_6GHZ &&
1885 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1886 sizeof(iftdata->he_6ghz_capa),
1887 &iftdata->he_6ghz_capa))
1890 if (iftdata->vendor_elems.data && iftdata->vendor_elems.len &&
1891 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_VENDOR_ELEMS,
1892 iftdata->vendor_elems.len, iftdata->vendor_elems.data))
1898 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1899 struct ieee80211_supported_band *sband,
1902 struct nlattr *nl_rates, *nl_rate;
1903 struct ieee80211_rate *rate;
1907 if (sband->ht_cap.ht_supported &&
1908 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1909 sizeof(sband->ht_cap.mcs),
1910 &sband->ht_cap.mcs) ||
1911 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1912 sband->ht_cap.cap) ||
1913 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1914 sband->ht_cap.ampdu_factor) ||
1915 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1916 sband->ht_cap.ampdu_density)))
1920 if (sband->vht_cap.vht_supported &&
1921 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1922 sizeof(sband->vht_cap.vht_mcs),
1923 &sband->vht_cap.vht_mcs) ||
1924 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1925 sband->vht_cap.cap)))
1928 if (large && sband->n_iftype_data) {
1929 struct nlattr *nl_iftype_data =
1930 nla_nest_start_noflag(msg,
1931 NL80211_BAND_ATTR_IFTYPE_DATA);
1932 const struct ieee80211_sband_iftype_data *iftd;
1935 if (!nl_iftype_data)
1938 for_each_sband_iftype_data(sband, i, iftd) {
1939 struct nlattr *iftdata;
1941 iftdata = nla_nest_start_noflag(msg, i + 1);
1945 err = nl80211_send_iftype_data(msg, sband, iftd);
1949 nla_nest_end(msg, iftdata);
1952 nla_nest_end(msg, nl_iftype_data);
1956 if (large && sband->edmg_cap.channels &&
1957 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1958 sband->edmg_cap.channels) ||
1959 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1960 sband->edmg_cap.bw_config)))
1965 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1969 for (i = 0; i < sband->n_bitrates; i++) {
1970 nl_rate = nla_nest_start_noflag(msg, i);
1974 rate = &sband->bitrates[i];
1975 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1978 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1980 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1983 nla_nest_end(msg, nl_rate);
1986 nla_nest_end(msg, nl_rates);
1988 /* S1G capabilities */
1989 if (sband->band == NL80211_BAND_S1GHZ && sband->s1g_cap.s1g &&
1990 (nla_put(msg, NL80211_BAND_ATTR_S1G_CAPA,
1991 sizeof(sband->s1g_cap.cap),
1992 sband->s1g_cap.cap) ||
1993 nla_put(msg, NL80211_BAND_ATTR_S1G_MCS_NSS_SET,
1994 sizeof(sband->s1g_cap.nss_mcs),
1995 sband->s1g_cap.nss_mcs)))
2002 nl80211_send_mgmt_stypes(struct sk_buff *msg,
2003 const struct ieee80211_txrx_stypes *mgmt_stypes)
2006 struct nlattr *nl_ftypes, *nl_ifs;
2007 enum nl80211_iftype ift;
2013 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
2017 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
2018 nl_ftypes = nla_nest_start_noflag(msg, ift);
2022 stypes = mgmt_stypes[ift].tx;
2025 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
2026 (i << 4) | IEEE80211_FTYPE_MGMT))
2031 nla_nest_end(msg, nl_ftypes);
2034 nla_nest_end(msg, nl_ifs);
2036 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
2040 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
2041 nl_ftypes = nla_nest_start_noflag(msg, ift);
2045 stypes = mgmt_stypes[ift].rx;
2048 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
2049 (i << 4) | IEEE80211_FTYPE_MGMT))
2054 nla_nest_end(msg, nl_ftypes);
2056 nla_nest_end(msg, nl_ifs);
2061 #define CMD(op, n) \
2063 if (rdev->ops->op) { \
2065 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
2066 goto nla_put_failure; \
2070 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
2071 struct sk_buff *msg)
2076 * do *NOT* add anything into this function, new things need to be
2077 * advertised only to new versions of userspace that can deal with
2078 * the split (and they can't possibly care about new features...
2080 CMD(add_virtual_intf, NEW_INTERFACE);
2081 CMD(change_virtual_intf, SET_INTERFACE);
2082 CMD(add_key, NEW_KEY);
2083 CMD(start_ap, START_AP);
2084 CMD(add_station, NEW_STATION);
2085 CMD(add_mpath, NEW_MPATH);
2086 CMD(update_mesh_config, SET_MESH_CONFIG);
2087 CMD(change_bss, SET_BSS);
2088 CMD(auth, AUTHENTICATE);
2089 CMD(assoc, ASSOCIATE);
2090 CMD(deauth, DEAUTHENTICATE);
2091 CMD(disassoc, DISASSOCIATE);
2092 CMD(join_ibss, JOIN_IBSS);
2093 CMD(join_mesh, JOIN_MESH);
2094 CMD(set_pmksa, SET_PMKSA);
2095 CMD(del_pmksa, DEL_PMKSA);
2096 CMD(flush_pmksa, FLUSH_PMKSA);
2097 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
2098 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
2099 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
2100 CMD(mgmt_tx, FRAME);
2101 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
2102 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
2104 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
2105 goto nla_put_failure;
2107 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
2108 rdev->ops->join_mesh) {
2110 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
2111 goto nla_put_failure;
2113 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
2114 CMD(tdls_mgmt, TDLS_MGMT);
2115 CMD(tdls_oper, TDLS_OPER);
2117 if (rdev->wiphy.max_sched_scan_reqs)
2118 CMD(sched_scan_start, START_SCHED_SCAN);
2119 CMD(probe_client, PROBE_CLIENT);
2120 CMD(set_noack_map, SET_NOACK_MAP);
2121 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
2123 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
2124 goto nla_put_failure;
2126 CMD(start_p2p_device, START_P2P_DEVICE);
2127 CMD(set_mcast_rate, SET_MCAST_RATE);
2128 #ifdef CONFIG_NL80211_TESTMODE
2129 CMD(testmode_cmd, TESTMODE);
2132 if (rdev->ops->connect || rdev->ops->auth) {
2134 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
2135 goto nla_put_failure;
2138 if (rdev->ops->disconnect || rdev->ops->deauth) {
2140 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
2141 goto nla_put_failure;
2150 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
2151 struct sk_buff *msg)
2155 if (!cap->ftm.supported)
2158 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
2162 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
2164 if (cap->ftm.non_asap &&
2165 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
2167 if (cap->ftm.request_lci &&
2168 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
2170 if (cap->ftm.request_civicloc &&
2171 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
2173 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
2174 cap->ftm.preambles))
2176 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2177 cap->ftm.bandwidths))
2179 if (cap->ftm.max_bursts_exponent >= 0 &&
2180 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2181 cap->ftm.max_bursts_exponent))
2183 if (cap->ftm.max_ftms_per_burst &&
2184 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2185 cap->ftm.max_ftms_per_burst))
2187 if (cap->ftm.trigger_based &&
2188 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2190 if (cap->ftm.non_trigger_based &&
2191 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2194 nla_nest_end(msg, ftm);
2198 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2199 struct sk_buff *msg)
2201 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2202 struct nlattr *pmsr, *caps;
2208 * we don't need to clean up anything here since the caller
2209 * will genlmsg_cancel() if we fail
2212 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
2216 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2219 if (cap->report_ap_tsf &&
2220 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2223 if (cap->randomize_mac_addr &&
2224 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2227 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
2231 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2234 nla_nest_end(msg, caps);
2235 nla_nest_end(msg, pmsr);
2241 nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2242 struct sk_buff *msg)
2245 struct nlattr *nested, *nested_akms;
2246 const struct wiphy_iftype_akm_suites *iftype_akms;
2248 if (!rdev->wiphy.num_iftype_akm_suites ||
2249 !rdev->wiphy.iftype_akm_suites)
2252 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2256 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2257 nested_akms = nla_nest_start(msg, i + 1);
2261 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2263 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2264 iftype_akms->iftypes_mask))
2267 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2268 sizeof(u32) * iftype_akms->n_akm_suites,
2269 iftype_akms->akm_suites)) {
2272 nla_nest_end(msg, nested_akms);
2275 nla_nest_end(msg, nested);
2281 nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2282 struct sk_buff *msg)
2284 struct nlattr *supp;
2286 if (!rdev->wiphy.tid_config_support.vif &&
2287 !rdev->wiphy.tid_config_support.peer)
2290 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2294 if (rdev->wiphy.tid_config_support.vif &&
2295 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2296 rdev->wiphy.tid_config_support.vif,
2297 NL80211_TID_CONFIG_ATTR_PAD))
2300 if (rdev->wiphy.tid_config_support.peer &&
2301 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2302 rdev->wiphy.tid_config_support.peer,
2303 NL80211_TID_CONFIG_ATTR_PAD))
2306 /* for now we just use the same value ... makes more sense */
2307 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2308 rdev->wiphy.tid_config_support.max_retry))
2310 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2311 rdev->wiphy.tid_config_support.max_retry))
2314 nla_nest_end(msg, supp);
2318 nla_nest_cancel(msg, supp);
2323 nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2324 struct sk_buff *msg)
2326 struct nlattr *sar_capa, *specs, *sub_freq_range;
2330 if (!rdev->wiphy.sar_capa)
2333 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2335 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2339 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2342 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2346 /* report supported freq_ranges */
2347 for (i = 0; i < num_freq_ranges; i++) {
2348 sub_freq_range = nla_nest_start(msg, i + 1);
2349 if (!sub_freq_range)
2352 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2353 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2356 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2357 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2360 nla_nest_end(msg, sub_freq_range);
2363 nla_nest_end(msg, specs);
2364 nla_nest_end(msg, sar_capa);
2368 nla_nest_cancel(msg, sar_capa);
2372 static int nl80211_put_mbssid_support(struct wiphy *wiphy, struct sk_buff *msg)
2374 struct nlattr *config;
2376 if (!wiphy->mbssid_max_interfaces)
2379 config = nla_nest_start(msg, NL80211_ATTR_MBSSID_CONFIG);
2383 if (nla_put_u8(msg, NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES,
2384 wiphy->mbssid_max_interfaces))
2387 if (wiphy->ema_max_profile_periodicity &&
2389 NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY,
2390 wiphy->ema_max_profile_periodicity))
2393 nla_nest_end(msg, config);
2397 nla_nest_cancel(msg, config);
2401 struct nl80211_dump_wiphy_state {
2404 long split_start, band_start, chan_start, capa_start;
2408 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
2409 enum nl80211_commands cmd,
2410 struct sk_buff *msg, u32 portid, u32 seq,
2411 int flags, struct nl80211_dump_wiphy_state *state)
2414 struct nlattr *nl_bands, *nl_band;
2415 struct nlattr *nl_freqs, *nl_freq;
2416 struct nlattr *nl_cmds;
2417 enum nl80211_band band;
2418 struct ieee80211_channel *chan;
2420 const struct ieee80211_txrx_stypes *mgmt_stypes =
2421 rdev->wiphy.mgmt_stypes;
2424 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2428 if (WARN_ON(!state))
2431 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2432 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
2433 wiphy_name(&rdev->wiphy)) ||
2434 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2435 cfg80211_rdev_list_generation))
2436 goto nla_put_failure;
2438 if (cmd != NL80211_CMD_NEW_WIPHY)
2441 switch (state->split_start) {
2443 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
2444 rdev->wiphy.retry_short) ||
2445 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
2446 rdev->wiphy.retry_long) ||
2447 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
2448 rdev->wiphy.frag_threshold) ||
2449 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
2450 rdev->wiphy.rts_threshold) ||
2451 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
2452 rdev->wiphy.coverage_class) ||
2453 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
2454 rdev->wiphy.max_scan_ssids) ||
2455 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
2456 rdev->wiphy.max_sched_scan_ssids) ||
2457 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
2458 rdev->wiphy.max_scan_ie_len) ||
2459 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
2460 rdev->wiphy.max_sched_scan_ie_len) ||
2461 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
2462 rdev->wiphy.max_match_sets))
2463 goto nla_put_failure;
2465 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
2466 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
2467 goto nla_put_failure;
2468 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
2469 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2470 goto nla_put_failure;
2471 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2472 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2473 goto nla_put_failure;
2474 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
2475 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2476 goto nla_put_failure;
2477 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2478 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2479 goto nla_put_failure;
2480 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
2481 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
2482 goto nla_put_failure;
2483 state->split_start++;
2488 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
2489 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2490 rdev->wiphy.cipher_suites))
2491 goto nla_put_failure;
2493 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
2494 rdev->wiphy.max_num_pmkids))
2495 goto nla_put_failure;
2497 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
2498 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
2499 goto nla_put_failure;
2501 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
2502 rdev->wiphy.available_antennas_tx) ||
2503 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2504 rdev->wiphy.available_antennas_rx))
2505 goto nla_put_failure;
2507 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2508 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2509 rdev->wiphy.probe_resp_offload))
2510 goto nla_put_failure;
2512 if ((rdev->wiphy.available_antennas_tx ||
2513 rdev->wiphy.available_antennas_rx) &&
2514 rdev->ops->get_antenna) {
2515 u32 tx_ant = 0, rx_ant = 0;
2518 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2520 if (nla_put_u32(msg,
2521 NL80211_ATTR_WIPHY_ANTENNA_TX,
2524 NL80211_ATTR_WIPHY_ANTENNA_RX,
2526 goto nla_put_failure;
2530 state->split_start++;
2535 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2536 rdev->wiphy.interface_modes))
2537 goto nla_put_failure;
2538 state->split_start++;
2543 nl_bands = nla_nest_start_noflag(msg,
2544 NL80211_ATTR_WIPHY_BANDS);
2546 goto nla_put_failure;
2548 for (band = state->band_start;
2549 band < (state->split ?
2551 NL80211_BAND_60GHZ + 1);
2553 struct ieee80211_supported_band *sband;
2555 /* omit higher bands for ancient software */
2556 if (band > NL80211_BAND_5GHZ && !state->split)
2559 sband = rdev->wiphy.bands[band];
2564 nl_band = nla_nest_start_noflag(msg, band);
2566 goto nla_put_failure;
2568 switch (state->chan_start) {
2570 if (nl80211_send_band_rateinfo(msg, sband,
2572 goto nla_put_failure;
2573 state->chan_start++;
2578 /* add frequencies */
2579 nl_freqs = nla_nest_start_noflag(msg,
2580 NL80211_BAND_ATTR_FREQS);
2582 goto nla_put_failure;
2584 for (i = state->chan_start - 1;
2585 i < sband->n_channels;
2587 nl_freq = nla_nest_start_noflag(msg,
2590 goto nla_put_failure;
2592 chan = &sband->channels[i];
2594 if (nl80211_msg_put_channel(
2595 msg, &rdev->wiphy, chan,
2597 goto nla_put_failure;
2599 nla_nest_end(msg, nl_freq);
2603 if (i < sband->n_channels)
2604 state->chan_start = i + 2;
2606 state->chan_start = 0;
2607 nla_nest_end(msg, nl_freqs);
2610 nla_nest_end(msg, nl_band);
2613 /* start again here */
2614 if (state->chan_start)
2619 nla_nest_end(msg, nl_bands);
2621 if (band < NUM_NL80211_BANDS)
2622 state->band_start = band + 1;
2624 state->band_start = 0;
2626 /* if bands & channels are done, continue outside */
2627 if (state->band_start == 0 && state->chan_start == 0)
2628 state->split_start++;
2633 nl_cmds = nla_nest_start_noflag(msg,
2634 NL80211_ATTR_SUPPORTED_COMMANDS);
2636 goto nla_put_failure;
2638 i = nl80211_add_commands_unsplit(rdev, msg);
2640 goto nla_put_failure;
2642 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2643 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2644 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2645 CMD(channel_switch, CHANNEL_SWITCH);
2646 CMD(set_qos_map, SET_QOS_MAP);
2647 if (rdev->wiphy.features &
2648 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2649 CMD(add_tx_ts, ADD_TX_TS);
2650 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2651 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2652 CMD(update_ft_ies, UPDATE_FT_IES);
2653 if (rdev->wiphy.sar_capa)
2654 CMD(set_sar_specs, SET_SAR_SPECS);
2658 nla_nest_end(msg, nl_cmds);
2659 state->split_start++;
2664 if (rdev->ops->remain_on_channel &&
2665 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2667 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2668 rdev->wiphy.max_remain_on_channel_duration))
2669 goto nla_put_failure;
2671 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2672 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2673 goto nla_put_failure;
2675 state->split_start++;
2681 if (nl80211_send_wowlan(msg, rdev, state->split))
2682 goto nla_put_failure;
2683 state->split_start++;
2687 state->split_start++;
2691 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2692 rdev->wiphy.software_iftypes))
2693 goto nla_put_failure;
2695 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2697 goto nla_put_failure;
2699 state->split_start++;
2704 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2705 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2706 rdev->wiphy.ap_sme_capa))
2707 goto nla_put_failure;
2709 features = rdev->wiphy.features;
2711 * We can only add the per-channel limit information if the
2712 * dump is split, otherwise it makes it too big. Therefore
2713 * only advertise it in that case.
2716 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2717 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2718 goto nla_put_failure;
2720 if (rdev->wiphy.ht_capa_mod_mask &&
2721 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2722 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2723 rdev->wiphy.ht_capa_mod_mask))
2724 goto nla_put_failure;
2726 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2727 rdev->wiphy.max_acl_mac_addrs &&
2728 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2729 rdev->wiphy.max_acl_mac_addrs))
2730 goto nla_put_failure;
2733 * Any information below this point is only available to
2734 * applications that can deal with it being split. This
2735 * helps ensure that newly added capabilities don't break
2736 * older tools by overrunning their buffers.
2738 * We still increment split_start so that in the split
2739 * case we'll continue with more data in the next round,
2740 * but break unconditionally so unsplit data stops here.
2743 state->split_start++;
2745 state->split_start = 0;
2748 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2749 goto nla_put_failure;
2751 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2752 rdev->wiphy.max_sched_scan_plans) ||
2753 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2754 rdev->wiphy.max_sched_scan_plan_interval) ||
2755 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2756 rdev->wiphy.max_sched_scan_plan_iterations))
2757 goto nla_put_failure;
2759 if (rdev->wiphy.extended_capabilities &&
2760 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2761 rdev->wiphy.extended_capabilities_len,
2762 rdev->wiphy.extended_capabilities) ||
2763 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2764 rdev->wiphy.extended_capabilities_len,
2765 rdev->wiphy.extended_capabilities_mask)))
2766 goto nla_put_failure;
2768 if (rdev->wiphy.vht_capa_mod_mask &&
2769 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2770 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2771 rdev->wiphy.vht_capa_mod_mask))
2772 goto nla_put_failure;
2774 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2775 rdev->wiphy.perm_addr))
2776 goto nla_put_failure;
2778 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2779 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2780 rdev->wiphy.addr_mask))
2781 goto nla_put_failure;
2783 if (rdev->wiphy.n_addresses > 1) {
2786 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2788 goto nla_put_failure;
2790 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2791 if (nla_put(msg, i + 1, ETH_ALEN,
2792 rdev->wiphy.addresses[i].addr))
2793 goto nla_put_failure;
2795 nla_nest_end(msg, attr);
2798 state->split_start++;
2801 if (nl80211_send_coalesce(msg, rdev))
2802 goto nla_put_failure;
2804 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2805 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2806 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2807 goto nla_put_failure;
2809 if (rdev->wiphy.max_ap_assoc_sta &&
2810 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2811 rdev->wiphy.max_ap_assoc_sta))
2812 goto nla_put_failure;
2814 state->split_start++;
2817 if (rdev->wiphy.n_vendor_commands) {
2818 const struct nl80211_vendor_cmd_info *info;
2819 struct nlattr *nested;
2821 nested = nla_nest_start_noflag(msg,
2822 NL80211_ATTR_VENDOR_DATA);
2824 goto nla_put_failure;
2826 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2827 info = &rdev->wiphy.vendor_commands[i].info;
2828 if (nla_put(msg, i + 1, sizeof(*info), info))
2829 goto nla_put_failure;
2831 nla_nest_end(msg, nested);
2834 if (rdev->wiphy.n_vendor_events) {
2835 const struct nl80211_vendor_cmd_info *info;
2836 struct nlattr *nested;
2838 nested = nla_nest_start_noflag(msg,
2839 NL80211_ATTR_VENDOR_EVENTS);
2841 goto nla_put_failure;
2843 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2844 info = &rdev->wiphy.vendor_events[i];
2845 if (nla_put(msg, i + 1, sizeof(*info), info))
2846 goto nla_put_failure;
2848 nla_nest_end(msg, nested);
2850 state->split_start++;
2853 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2854 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2855 rdev->wiphy.max_num_csa_counters))
2856 goto nla_put_failure;
2858 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2859 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2860 goto nla_put_failure;
2862 if (rdev->wiphy.max_sched_scan_reqs &&
2863 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2864 rdev->wiphy.max_sched_scan_reqs))
2865 goto nla_put_failure;
2867 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2868 sizeof(rdev->wiphy.ext_features),
2869 rdev->wiphy.ext_features))
2870 goto nla_put_failure;
2872 if (rdev->wiphy.bss_select_support) {
2873 struct nlattr *nested;
2874 u32 bss_select_support = rdev->wiphy.bss_select_support;
2876 nested = nla_nest_start_noflag(msg,
2877 NL80211_ATTR_BSS_SELECT);
2879 goto nla_put_failure;
2882 while (bss_select_support) {
2883 if ((bss_select_support & 1) &&
2884 nla_put_flag(msg, i))
2885 goto nla_put_failure;
2887 bss_select_support >>= 1;
2889 nla_nest_end(msg, nested);
2892 state->split_start++;
2895 if (rdev->wiphy.num_iftype_ext_capab &&
2896 rdev->wiphy.iftype_ext_capab) {
2897 struct nlattr *nested_ext_capab, *nested;
2899 nested = nla_nest_start_noflag(msg,
2900 NL80211_ATTR_IFTYPE_EXT_CAPA);
2902 goto nla_put_failure;
2904 for (i = state->capa_start;
2905 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2906 const struct wiphy_iftype_ext_capab *capab;
2908 capab = &rdev->wiphy.iftype_ext_capab[i];
2910 nested_ext_capab = nla_nest_start_noflag(msg,
2912 if (!nested_ext_capab ||
2913 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2915 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2916 capab->extended_capabilities_len,
2917 capab->extended_capabilities) ||
2918 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2919 capab->extended_capabilities_len,
2920 capab->extended_capabilities_mask))
2921 goto nla_put_failure;
2923 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO &&
2925 NL80211_ATTR_EML_CAPABILITY,
2926 capab->eml_capabilities) ||
2928 NL80211_ATTR_MLD_CAPA_AND_OPS,
2929 capab->mld_capa_and_ops)))
2930 goto nla_put_failure;
2932 nla_nest_end(msg, nested_ext_capab);
2936 nla_nest_end(msg, nested);
2937 if (i < rdev->wiphy.num_iftype_ext_capab) {
2938 state->capa_start = i + 1;
2943 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2944 rdev->wiphy.nan_supported_bands))
2945 goto nla_put_failure;
2947 if (wiphy_ext_feature_isset(&rdev->wiphy,
2948 NL80211_EXT_FEATURE_TXQS)) {
2949 struct cfg80211_txq_stats txqstats = {};
2952 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2954 !nl80211_put_txq_stats(msg, &txqstats,
2955 NL80211_ATTR_TXQ_STATS))
2956 goto nla_put_failure;
2958 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2959 rdev->wiphy.txq_limit))
2960 goto nla_put_failure;
2961 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2962 rdev->wiphy.txq_memory_limit))
2963 goto nla_put_failure;
2964 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2965 rdev->wiphy.txq_quantum))
2966 goto nla_put_failure;
2969 state->split_start++;
2972 if (nl80211_send_pmsr_capa(rdev, msg))
2973 goto nla_put_failure;
2975 state->split_start++;
2978 if (rdev->wiphy.akm_suites &&
2979 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2980 sizeof(u32) * rdev->wiphy.n_akm_suites,
2981 rdev->wiphy.akm_suites))
2982 goto nla_put_failure;
2984 if (nl80211_put_iftype_akm_suites(rdev, msg))
2985 goto nla_put_failure;
2987 if (nl80211_put_tid_config_support(rdev, msg))
2988 goto nla_put_failure;
2989 state->split_start++;
2992 if (nl80211_put_sar_specs(rdev, msg))
2993 goto nla_put_failure;
2995 if (nl80211_put_mbssid_support(&rdev->wiphy, msg))
2996 goto nla_put_failure;
2998 if (nla_put_u16(msg, NL80211_ATTR_MAX_NUM_AKM_SUITES,
2999 rdev->wiphy.max_num_akm_suites))
3000 goto nla_put_failure;
3002 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO)
3003 nla_put_flag(msg, NL80211_ATTR_MLO_SUPPORT);
3005 if (rdev->wiphy.hw_timestamp_max_peers &&
3006 nla_put_u16(msg, NL80211_ATTR_MAX_HW_TIMESTAMP_PEERS,
3007 rdev->wiphy.hw_timestamp_max_peers))
3008 goto nla_put_failure;
3011 state->split_start = 0;
3015 genlmsg_end(msg, hdr);
3019 genlmsg_cancel(msg, hdr);
3023 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
3024 struct netlink_callback *cb,
3025 struct nl80211_dump_wiphy_state *state)
3027 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
3033 ret = nlmsg_parse_deprecated(cb->nlh,
3034 GENL_HDRLEN + nl80211_fam.hdrsize,
3035 tb, nl80211_fam.maxattr,
3036 nl80211_policy, NULL);
3037 /* ignore parse errors for backward compatibility */
3043 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
3044 if (tb[NL80211_ATTR_WIPHY])
3045 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
3046 if (tb[NL80211_ATTR_WDEV])
3047 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
3048 if (tb[NL80211_ATTR_IFINDEX]) {
3049 struct net_device *netdev;
3050 struct cfg80211_registered_device *rdev;
3051 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
3053 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
3058 if (netdev->ieee80211_ptr) {
3059 rdev = wiphy_to_rdev(
3060 netdev->ieee80211_ptr->wiphy);
3061 state->filter_wiphy = rdev->wiphy_idx;
3071 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
3074 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
3075 struct cfg80211_registered_device *rdev;
3079 state = kzalloc(sizeof(*state), GFP_KERNEL);
3084 state->filter_wiphy = -1;
3085 ret = nl80211_dump_wiphy_parse(skb, cb, state);
3091 cb->args[0] = (long)state;
3094 for_each_rdev(rdev) {
3095 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3097 if (++idx <= state->start)
3099 if (state->filter_wiphy != -1 &&
3100 state->filter_wiphy != rdev->wiphy_idx)
3102 wiphy_lock(&rdev->wiphy);
3103 /* attempt to fit multiple wiphy data chunks into the skb */
3105 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
3107 NETLINK_CB(cb->skb).portid,
3109 NLM_F_MULTI, state);
3112 * If sending the wiphy data didn't fit (ENOBUFS
3113 * or EMSGSIZE returned), this SKB is still
3114 * empty (so it's not too big because another
3115 * wiphy dataset is already in the skb) and
3116 * we've not tried to adjust the dump allocation
3117 * yet ... then adjust the alloc size to be
3118 * bigger, and return 1 but with the empty skb.
3119 * This results in an empty message being RX'ed
3120 * in userspace, but that is ignored.
3122 * We can then retry with the larger buffer.
3124 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
3125 !skb->len && !state->split &&
3126 cb->min_dump_alloc < 4096) {
3127 cb->min_dump_alloc = 4096;
3128 state->split_start = 0;
3129 wiphy_unlock(&rdev->wiphy);
3136 } while (state->split_start > 0);
3137 wiphy_unlock(&rdev->wiphy);
3147 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
3149 kfree((void *)cb->args[0]);
3153 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
3155 struct sk_buff *msg;
3156 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3157 struct nl80211_dump_wiphy_state state = {};
3159 msg = nlmsg_new(4096, GFP_KERNEL);
3163 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
3164 info->snd_portid, info->snd_seq, 0,
3170 return genlmsg_reply(msg, info);
3173 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
3174 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
3175 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
3176 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
3177 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
3178 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
3181 static int parse_txq_params(struct nlattr *tb[],
3182 struct ieee80211_txq_params *txq_params)
3186 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
3187 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
3188 !tb[NL80211_TXQ_ATTR_AIFS])
3191 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
3192 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
3193 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
3194 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
3195 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
3197 if (ac >= NL80211_NUM_ACS)
3199 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
3203 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
3206 * You can only set the channel explicitly for some interfaces,
3207 * most have their channel managed via their respective
3208 * "establish a connection" command (connect, join, ...)
3210 * For AP/GO and mesh mode, the channel can be set with the
3211 * channel userspace API, but is only stored and passed to the
3212 * low-level driver when the AP starts or the mesh is joined.
3213 * This is for backward compatibility, userspace can also give
3214 * the channel in the start-ap or join-mesh commands instead.
3216 * Monitors are special as they are normally slaved to
3217 * whatever else is going on, so they have their own special
3218 * operation to set the monitor channel if possible.
3221 wdev->iftype == NL80211_IFTYPE_AP ||
3222 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
3223 wdev->iftype == NL80211_IFTYPE_MONITOR ||
3224 wdev->iftype == NL80211_IFTYPE_P2P_GO;
3227 static int nl80211_parse_punct_bitmap(struct cfg80211_registered_device *rdev,
3228 struct genl_info *info,
3229 const struct cfg80211_chan_def *chandef,
3232 if (!wiphy_ext_feature_isset(&rdev->wiphy, NL80211_EXT_FEATURE_PUNCT))
3235 *punct_bitmap = nla_get_u32(info->attrs[NL80211_ATTR_PUNCT_BITMAP]);
3236 if (!cfg80211_valid_disable_subchannel_bitmap(punct_bitmap, chandef))
3242 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
3243 struct genl_info *info,
3244 struct cfg80211_chan_def *chandef)
3246 struct netlink_ext_ack *extack = info->extack;
3247 struct nlattr **attrs = info->attrs;
3250 if (!attrs[NL80211_ATTR_WIPHY_FREQ]) {
3251 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3252 "Frequency is missing");
3256 control_freq = MHZ_TO_KHZ(
3257 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3258 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3260 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
3262 memset(chandef, 0, sizeof(*chandef));
3263 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3264 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
3265 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3266 chandef->freq1_offset = control_freq % 1000;
3267 chandef->center_freq2 = 0;
3269 /* Primary channel not allowed */
3270 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3271 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3272 "Channel is disabled");
3276 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3277 enum nl80211_channel_type chantype;
3279 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3282 case NL80211_CHAN_NO_HT:
3283 case NL80211_CHAN_HT20:
3284 case NL80211_CHAN_HT40PLUS:
3285 case NL80211_CHAN_HT40MINUS:
3286 cfg80211_chandef_create(chandef, chandef->chan,
3288 /* user input for center_freq is incorrect */
3289 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3290 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3291 NL_SET_ERR_MSG_ATTR(extack,
3292 attrs[NL80211_ATTR_CENTER_FREQ1],
3293 "bad center frequency 1");
3296 /* center_freq2 must be zero */
3297 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3298 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3299 NL_SET_ERR_MSG_ATTR(extack,
3300 attrs[NL80211_ATTR_CENTER_FREQ2],
3301 "center frequency 2 can't be used");
3306 NL_SET_ERR_MSG_ATTR(extack,
3307 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3308 "invalid channel type");
3311 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3313 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
3314 if (chandef->chan->band == NL80211_BAND_S1GHZ) {
3315 /* User input error for channel width doesn't match channel */
3316 if (chandef->width != ieee80211_s1g_channel_width(chandef->chan)) {
3317 NL_SET_ERR_MSG_ATTR(extack,
3318 attrs[NL80211_ATTR_CHANNEL_WIDTH],
3319 "bad channel width");
3323 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3324 chandef->center_freq1 =
3325 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
3326 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3327 chandef->freq1_offset = nla_get_u32(
3328 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3330 chandef->freq1_offset = 0;
3332 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3333 chandef->center_freq2 =
3334 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3337 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3338 chandef->edmg.channels =
3339 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3341 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3342 chandef->edmg.bw_config =
3343 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3345 chandef->edmg.bw_config = 0;
3346 chandef->edmg.channels = 0;
3349 if (!cfg80211_chandef_valid(chandef)) {
3350 NL_SET_ERR_MSG(extack, "invalid channel definition");
3354 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
3355 IEEE80211_CHAN_DISABLED)) {
3356 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3360 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3361 chandef->width == NL80211_CHAN_WIDTH_10) &&
3362 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3363 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
3370 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
3371 struct net_device *dev,
3372 struct genl_info *info,
3375 struct cfg80211_chan_def chandef;
3377 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
3378 struct wireless_dev *wdev = NULL;
3379 int link_id = _link_id;
3382 wdev = dev->ieee80211_ptr;
3383 if (!nl80211_can_set_dev_channel(wdev))
3386 iftype = wdev->iftype;
3389 if (wdev && wdev->valid_links)
3394 result = nl80211_parse_chandef(rdev, info, &chandef);
3399 case NL80211_IFTYPE_AP:
3400 case NL80211_IFTYPE_P2P_GO:
3401 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3404 if (wdev->links[link_id].ap.beacon_interval) {
3405 struct ieee80211_channel *cur_chan;
3407 if (!dev || !rdev->ops->set_ap_chanwidth ||
3408 !(rdev->wiphy.features &
3409 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE))
3412 /* Only allow dynamic channel width changes */
3413 cur_chan = wdev->links[link_id].ap.chandef.chan;
3414 if (chandef.chan != cur_chan)
3417 result = rdev_set_ap_chanwidth(rdev, dev, link_id,
3421 wdev->links[link_id].ap.chandef = chandef;
3423 wdev->u.ap.preset_chandef = chandef;
3426 case NL80211_IFTYPE_MESH_POINT:
3427 return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
3428 case NL80211_IFTYPE_MONITOR:
3429 return cfg80211_set_monitor_channel(rdev, &chandef);
3437 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3439 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3440 int link_id = nl80211_link_id_or_invalid(info->attrs);
3441 struct net_device *netdev = info->user_ptr[1];
3443 return __nl80211_set_channel(rdev, netdev, info, link_id);
3446 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3448 struct cfg80211_registered_device *rdev = NULL;
3449 struct net_device *netdev = NULL;
3450 struct wireless_dev *wdev;
3451 int result = 0, rem_txq_params = 0;
3452 struct nlattr *nl_txq_params;
3454 u8 retry_short = 0, retry_long = 0;
3455 u32 frag_threshold = 0, rts_threshold = 0;
3456 u8 coverage_class = 0;
3457 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
3461 * Try to find the wiphy and netdev. Normally this
3462 * function shouldn't need the netdev, but this is
3463 * done for backward compatibility -- previously
3464 * setting the channel was done per wiphy, but now
3465 * it is per netdev. Previous userland like hostapd
3466 * also passed a netdev to set_wiphy, so that it is
3467 * possible to let that go to the right netdev!
3470 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3471 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3473 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
3474 if (netdev && netdev->ieee80211_ptr)
3475 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
3481 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3485 return PTR_ERR(rdev);
3491 wdev = netdev->ieee80211_ptr;
3493 wiphy_lock(&rdev->wiphy);
3496 * end workaround code, by now the rdev is available
3497 * and locked, and wdev may or may not be NULL.
3500 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
3501 result = cfg80211_dev_rename(
3502 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
3508 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3509 struct ieee80211_txq_params txq_params;
3510 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3512 if (!rdev->ops->set_txq_params) {
3513 result = -EOPNOTSUPP;
3522 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3523 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3528 if (!netif_running(netdev)) {
3533 nla_for_each_nested(nl_txq_params,
3534 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3536 result = nla_parse_nested_deprecated(tb,
3537 NL80211_TXQ_ATTR_MAX,
3543 result = parse_txq_params(tb, &txq_params);
3547 txq_params.link_id =
3548 nl80211_link_id_or_invalid(info->attrs);
3550 if (txq_params.link_id >= 0 &&
3551 !(netdev->ieee80211_ptr->valid_links &
3552 BIT(txq_params.link_id)))
3554 else if (txq_params.link_id >= 0 &&
3555 !netdev->ieee80211_ptr->valid_links)
3558 result = rdev_set_txq_params(rdev, netdev,
3565 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3566 int link_id = nl80211_link_id_or_invalid(info->attrs);
3569 result = __nl80211_set_channel(
3571 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3574 result = __nl80211_set_channel(rdev, netdev, info, link_id);
3581 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
3582 struct wireless_dev *txp_wdev = wdev;
3583 enum nl80211_tx_power_setting type;
3586 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3589 if (!rdev->ops->set_tx_power) {
3590 result = -EOPNOTSUPP;
3594 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3595 type = nla_get_u32(info->attrs[idx]);
3597 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
3598 (type != NL80211_TX_POWER_AUTOMATIC)) {
3603 if (type != NL80211_TX_POWER_AUTOMATIC) {
3604 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3605 mbm = nla_get_u32(info->attrs[idx]);
3608 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
3613 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3614 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3617 if ((!rdev->wiphy.available_antennas_tx &&
3618 !rdev->wiphy.available_antennas_rx) ||
3619 !rdev->ops->set_antenna) {
3620 result = -EOPNOTSUPP;
3624 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3625 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3627 /* reject antenna configurations which don't match the
3628 * available antenna masks, except for the "all" mask */
3629 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3630 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3635 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3636 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3638 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3645 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3646 retry_short = nla_get_u8(
3647 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3649 changed |= WIPHY_PARAM_RETRY_SHORT;
3652 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3653 retry_long = nla_get_u8(
3654 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3656 changed |= WIPHY_PARAM_RETRY_LONG;
3659 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3660 frag_threshold = nla_get_u32(
3661 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3662 if (frag_threshold < 256) {
3667 if (frag_threshold != (u32) -1) {
3669 * Fragments (apart from the last one) are required to
3670 * have even length. Make the fragmentation code
3671 * simpler by stripping LSB should someone try to use
3672 * odd threshold value.
3674 frag_threshold &= ~0x1;
3676 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3679 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3680 rts_threshold = nla_get_u32(
3681 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3682 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3685 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3686 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3691 coverage_class = nla_get_u8(
3692 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3693 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3696 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3697 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3698 result = -EOPNOTSUPP;
3702 changed |= WIPHY_PARAM_DYN_ACK;
3705 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3706 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3707 NL80211_EXT_FEATURE_TXQS)) {
3708 result = -EOPNOTSUPP;
3711 txq_limit = nla_get_u32(
3712 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3713 changed |= WIPHY_PARAM_TXQ_LIMIT;
3716 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3717 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3718 NL80211_EXT_FEATURE_TXQS)) {
3719 result = -EOPNOTSUPP;
3722 txq_memory_limit = nla_get_u32(
3723 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3724 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3727 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3728 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3729 NL80211_EXT_FEATURE_TXQS)) {
3730 result = -EOPNOTSUPP;
3733 txq_quantum = nla_get_u32(
3734 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3735 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3739 u8 old_retry_short, old_retry_long;
3740 u32 old_frag_threshold, old_rts_threshold;
3741 u8 old_coverage_class;
3742 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3744 if (!rdev->ops->set_wiphy_params) {
3745 result = -EOPNOTSUPP;
3749 old_retry_short = rdev->wiphy.retry_short;
3750 old_retry_long = rdev->wiphy.retry_long;
3751 old_frag_threshold = rdev->wiphy.frag_threshold;
3752 old_rts_threshold = rdev->wiphy.rts_threshold;
3753 old_coverage_class = rdev->wiphy.coverage_class;
3754 old_txq_limit = rdev->wiphy.txq_limit;
3755 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3756 old_txq_quantum = rdev->wiphy.txq_quantum;
3758 if (changed & WIPHY_PARAM_RETRY_SHORT)
3759 rdev->wiphy.retry_short = retry_short;
3760 if (changed & WIPHY_PARAM_RETRY_LONG)
3761 rdev->wiphy.retry_long = retry_long;
3762 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3763 rdev->wiphy.frag_threshold = frag_threshold;
3764 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3765 rdev->wiphy.rts_threshold = rts_threshold;
3766 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3767 rdev->wiphy.coverage_class = coverage_class;
3768 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3769 rdev->wiphy.txq_limit = txq_limit;
3770 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3771 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3772 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3773 rdev->wiphy.txq_quantum = txq_quantum;
3775 result = rdev_set_wiphy_params(rdev, changed);
3777 rdev->wiphy.retry_short = old_retry_short;
3778 rdev->wiphy.retry_long = old_retry_long;
3779 rdev->wiphy.frag_threshold = old_frag_threshold;
3780 rdev->wiphy.rts_threshold = old_rts_threshold;
3781 rdev->wiphy.coverage_class = old_coverage_class;
3782 rdev->wiphy.txq_limit = old_txq_limit;
3783 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3784 rdev->wiphy.txq_quantum = old_txq_quantum;
3792 wiphy_unlock(&rdev->wiphy);
3796 int nl80211_send_chandef(struct sk_buff *msg, const struct cfg80211_chan_def *chandef)
3798 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3801 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3802 chandef->chan->center_freq))
3804 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3805 chandef->chan->freq_offset))
3807 switch (chandef->width) {
3808 case NL80211_CHAN_WIDTH_20_NOHT:
3809 case NL80211_CHAN_WIDTH_20:
3810 case NL80211_CHAN_WIDTH_40:
3811 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3812 cfg80211_get_chandef_type(chandef)))
3818 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3820 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3822 if (chandef->center_freq2 &&
3823 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3827 EXPORT_SYMBOL(nl80211_send_chandef);
3829 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3830 struct cfg80211_registered_device *rdev,
3831 struct wireless_dev *wdev,
3832 enum nl80211_commands cmd)
3834 struct net_device *dev = wdev->netdev;
3837 lockdep_assert_wiphy(&rdev->wiphy);
3839 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3840 cmd != NL80211_CMD_DEL_INTERFACE &&
3841 cmd != NL80211_CMD_SET_INTERFACE);
3843 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3848 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3849 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3850 goto nla_put_failure;
3852 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3853 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3854 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3855 NL80211_ATTR_PAD) ||
3856 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3857 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3858 rdev->devlist_generation ^
3859 (cfg80211_rdev_list_generation << 2)) ||
3860 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3861 goto nla_put_failure;
3863 if (rdev->ops->get_channel && !wdev->valid_links) {
3864 struct cfg80211_chan_def chandef = {};
3867 ret = rdev_get_channel(rdev, wdev, 0, &chandef);
3868 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3869 goto nla_put_failure;
3872 if (rdev->ops->get_tx_power) {
3875 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3877 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3879 goto nla_put_failure;
3882 switch (wdev->iftype) {
3883 case NL80211_IFTYPE_AP:
3884 case NL80211_IFTYPE_P2P_GO:
3885 if (wdev->u.ap.ssid_len &&
3886 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
3888 goto nla_put_failure;
3890 case NL80211_IFTYPE_STATION:
3891 case NL80211_IFTYPE_P2P_CLIENT:
3892 if (wdev->u.client.ssid_len &&
3893 nla_put(msg, NL80211_ATTR_SSID, wdev->u.client.ssid_len,
3894 wdev->u.client.ssid))
3895 goto nla_put_failure;
3897 case NL80211_IFTYPE_ADHOC:
3898 if (wdev->u.ibss.ssid_len &&
3899 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ibss.ssid_len,
3901 goto nla_put_failure;
3908 if (rdev->ops->get_txq_stats) {
3909 struct cfg80211_txq_stats txqstats = {};
3910 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3913 !nl80211_put_txq_stats(msg, &txqstats,
3914 NL80211_ATTR_TXQ_STATS))
3915 goto nla_put_failure;
3918 if (wdev->valid_links) {
3919 unsigned int link_id;
3920 struct nlattr *links = nla_nest_start(msg,
3921 NL80211_ATTR_MLO_LINKS);
3924 goto nla_put_failure;
3926 for_each_valid_link(wdev, link_id) {
3927 struct nlattr *link = nla_nest_start(msg, link_id + 1);
3928 struct cfg80211_chan_def chandef = {};
3932 goto nla_put_failure;
3934 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
3935 goto nla_put_failure;
3936 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
3937 wdev->links[link_id].addr))
3938 goto nla_put_failure;
3940 ret = rdev_get_channel(rdev, wdev, link_id, &chandef);
3941 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3942 goto nla_put_failure;
3944 nla_nest_end(msg, link);
3947 nla_nest_end(msg, links);
3950 genlmsg_end(msg, hdr);
3954 genlmsg_cancel(msg, hdr);
3958 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3962 int wp_start = cb->args[0];
3963 int if_start = cb->args[1];
3964 int filter_wiphy = -1;
3965 struct cfg80211_registered_device *rdev;
3966 struct wireless_dev *wdev;
3971 struct nl80211_dump_wiphy_state state = {
3975 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3979 filter_wiphy = state.filter_wiphy;
3982 * if filtering, set cb->args[2] to +1 since 0 is the default
3983 * value needed to determine that parsing is necessary.
3985 if (filter_wiphy >= 0)
3986 cb->args[2] = filter_wiphy + 1;
3989 } else if (cb->args[2] > 0) {
3990 filter_wiphy = cb->args[2] - 1;
3993 for_each_rdev(rdev) {
3994 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3996 if (wp_idx < wp_start) {
4001 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
4006 wiphy_lock(&rdev->wiphy);
4007 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
4008 if (if_idx < if_start) {
4012 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
4013 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4015 NL80211_CMD_NEW_INTERFACE) < 0) {
4016 wiphy_unlock(&rdev->wiphy);
4021 wiphy_unlock(&rdev->wiphy);
4027 cb->args[0] = wp_idx;
4028 cb->args[1] = if_idx;
4037 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
4039 struct sk_buff *msg;
4040 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4041 struct wireless_dev *wdev = info->user_ptr[1];
4043 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4047 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4048 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4053 return genlmsg_reply(msg, info);
4056 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
4057 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
4058 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
4059 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
4060 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
4061 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
4062 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
4065 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
4067 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
4075 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
4078 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
4080 *mntrflags |= (1<<flag);
4082 *mntrflags |= MONITOR_FLAG_CHANGED;
4087 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
4088 enum nl80211_iftype type,
4089 struct genl_info *info,
4090 struct vif_params *params)
4092 bool change = false;
4095 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
4096 if (type != NL80211_IFTYPE_MONITOR)
4099 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
4107 if (params->flags & MONITOR_FLAG_ACTIVE &&
4108 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
4111 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
4112 const u8 *mumimo_groups;
4113 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4115 if (type != NL80211_IFTYPE_MONITOR)
4118 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4122 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
4124 /* bits 0 and 63 are reserved and must be zero */
4125 if ((mumimo_groups[0] & BIT(0)) ||
4126 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
4129 params->vht_mumimo_groups = mumimo_groups;
4133 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
4134 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4136 if (type != NL80211_IFTYPE_MONITOR)
4139 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4142 params->vht_mumimo_follow_addr =
4143 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
4147 return change ? 1 : 0;
4150 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
4151 struct net_device *netdev, u8 use_4addr,
4152 enum nl80211_iftype iftype)
4155 if (netdev && netif_is_bridge_port(netdev))
4161 case NL80211_IFTYPE_AP_VLAN:
4162 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
4165 case NL80211_IFTYPE_STATION:
4166 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
4176 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
4178 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4179 struct vif_params params;
4181 enum nl80211_iftype otype, ntype;
4182 struct net_device *dev = info->user_ptr[1];
4183 bool change = false;
4185 memset(¶ms, 0, sizeof(params));
4187 otype = ntype = dev->ieee80211_ptr->iftype;
4189 if (info->attrs[NL80211_ATTR_IFTYPE]) {
4190 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
4195 if (info->attrs[NL80211_ATTR_MESH_ID]) {
4196 struct wireless_dev *wdev = dev->ieee80211_ptr;
4198 if (ntype != NL80211_IFTYPE_MESH_POINT)
4200 if (otype != NL80211_IFTYPE_MESH_POINT)
4202 if (netif_running(dev))
4205 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4206 IEEE80211_MAX_MESH_ID_LEN);
4207 wdev->u.mesh.id_up_len =
4208 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4209 memcpy(wdev->u.mesh.id,
4210 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4211 wdev->u.mesh.id_up_len);
4214 if (info->attrs[NL80211_ATTR_4ADDR]) {
4215 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4217 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
4221 params.use_4addr = -1;
4224 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
4231 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
4235 if (!err && params.use_4addr != -1)
4236 dev->ieee80211_ptr->use_4addr = params.use_4addr;
4238 if (change && !err) {
4239 struct wireless_dev *wdev = dev->ieee80211_ptr;
4241 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
4247 static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4249 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4250 struct vif_params params;
4251 struct wireless_dev *wdev;
4252 struct sk_buff *msg;
4254 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
4256 memset(¶ms, 0, sizeof(params));
4258 if (!info->attrs[NL80211_ATTR_IFNAME])
4261 if (info->attrs[NL80211_ATTR_IFTYPE])
4262 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
4264 if (!rdev->ops->add_virtual_intf)
4267 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
4268 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
4269 info->attrs[NL80211_ATTR_MAC]) {
4270 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
4272 if (!is_valid_ether_addr(params.macaddr))
4273 return -EADDRNOTAVAIL;
4276 if (info->attrs[NL80211_ATTR_4ADDR]) {
4277 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4278 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
4283 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
4286 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
4290 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4294 wdev = rdev_add_virtual_intf(rdev,
4295 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
4296 NET_NAME_USER, type, ¶ms);
4297 if (WARN_ON(!wdev)) {
4300 } else if (IS_ERR(wdev)) {
4302 return PTR_ERR(wdev);
4305 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4306 wdev->owner_nlportid = info->snd_portid;
4309 case NL80211_IFTYPE_MESH_POINT:
4310 if (!info->attrs[NL80211_ATTR_MESH_ID])
4312 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4313 IEEE80211_MAX_MESH_ID_LEN);
4314 wdev->u.mesh.id_up_len =
4315 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4316 memcpy(wdev->u.mesh.id,
4317 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4318 wdev->u.mesh.id_up_len);
4320 case NL80211_IFTYPE_NAN:
4321 case NL80211_IFTYPE_P2P_DEVICE:
4323 * P2P Device and NAN do not have a netdev, so don't go
4324 * through the netdev notifier and must be added here
4326 cfg80211_init_wdev(wdev);
4327 cfg80211_register_wdev(rdev, wdev);
4333 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4334 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4339 return genlmsg_reply(msg, info);
4342 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4344 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4347 /* to avoid failing a new interface creation due to pending removal */
4348 cfg80211_destroy_ifaces(rdev);
4350 wiphy_lock(&rdev->wiphy);
4351 ret = _nl80211_new_interface(skb, info);
4352 wiphy_unlock(&rdev->wiphy);
4357 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4359 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4360 struct wireless_dev *wdev = info->user_ptr[1];
4362 if (!rdev->ops->del_virtual_intf)
4366 * We hold RTNL, so this is safe, without RTNL opencount cannot
4367 * reach 0, and thus the rdev cannot be deleted.
4369 * We need to do it for the dev_close(), since that will call
4370 * the netdev notifiers, and we need to acquire the mutex there
4371 * but don't know if we get there from here or from some other
4372 * place (e.g. "ip link set ... down").
4374 mutex_unlock(&rdev->wiphy.mtx);
4377 * If we remove a wireless device without a netdev then clear
4378 * user_ptr[1] so that nl80211_post_doit won't dereference it
4379 * to check if it needs to do dev_put(). Otherwise it crashes
4380 * since the wdev has been freed, unlike with a netdev where
4381 * we need the dev_put() for the netdev to really be freed.
4384 info->user_ptr[1] = NULL;
4386 dev_close(wdev->netdev);
4388 mutex_lock(&rdev->wiphy.mtx);
4390 return cfg80211_remove_virtual_intf(rdev, wdev);
4393 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4395 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4396 struct net_device *dev = info->user_ptr[1];
4399 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4402 if (!rdev->ops->set_noack_map)
4405 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4407 return rdev_set_noack_map(rdev, dev, noack_map);
4410 static int nl80211_validate_key_link_id(struct genl_info *info,
4411 struct wireless_dev *wdev,
4412 int link_id, bool pairwise)
4415 if (link_id != -1) {
4416 GENL_SET_ERR_MSG(info,
4417 "link ID not allowed for pairwise key");
4424 if (wdev->valid_links) {
4425 if (link_id == -1) {
4426 GENL_SET_ERR_MSG(info,
4427 "link ID must for MLO group key");
4430 if (!(wdev->valid_links & BIT(link_id))) {
4431 GENL_SET_ERR_MSG(info, "invalid link ID for MLO group key");
4434 } else if (link_id != -1) {
4435 GENL_SET_ERR_MSG(info, "link ID not allowed for non-MLO group key");
4442 struct get_key_cookie {
4443 struct sk_buff *msg;
4448 static void get_key_callback(void *c, struct key_params *params)
4451 struct get_key_cookie *cookie = c;
4454 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4455 params->key_len, params->key)) ||
4457 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4458 params->seq_len, params->seq)) ||
4460 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4462 goto nla_put_failure;
4464 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
4466 goto nla_put_failure;
4469 nla_put(cookie->msg, NL80211_KEY_DATA,
4470 params->key_len, params->key)) ||
4472 nla_put(cookie->msg, NL80211_KEY_SEQ,
4473 params->seq_len, params->seq)) ||
4475 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4477 goto nla_put_failure;
4479 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
4480 goto nla_put_failure;
4482 nla_nest_end(cookie->msg, key);
4489 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4491 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4493 struct net_device *dev = info->user_ptr[1];
4495 const u8 *mac_addr = NULL;
4497 struct get_key_cookie cookie = {
4501 struct sk_buff *msg;
4502 bool bigtk_support = false;
4503 int link_id = nl80211_link_id_or_invalid(info->attrs);
4504 struct wireless_dev *wdev = dev->ieee80211_ptr;
4506 if (wiphy_ext_feature_isset(&rdev->wiphy,
4507 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4508 bigtk_support = true;
4510 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
4511 wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4512 wiphy_ext_feature_isset(&rdev->wiphy,
4513 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4514 bigtk_support = true;
4516 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4517 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4519 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4520 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4525 if (info->attrs[NL80211_ATTR_MAC])
4526 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4528 pairwise = !!mac_addr;
4529 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4530 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4532 if (kt != NL80211_KEYTYPE_GROUP &&
4533 kt != NL80211_KEYTYPE_PAIRWISE)
4535 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4538 if (!rdev->ops->get_key)
4541 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4544 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4548 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4549 NL80211_CMD_NEW_KEY);
4551 goto nla_put_failure;
4554 cookie.idx = key_idx;
4556 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4557 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4558 goto nla_put_failure;
4560 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4561 goto nla_put_failure;
4563 err = nl80211_validate_key_link_id(info, wdev, link_id, pairwise);
4567 err = rdev_get_key(rdev, dev, link_id, key_idx, pairwise, mac_addr,
4568 &cookie, get_key_callback);
4574 goto nla_put_failure;
4576 genlmsg_end(msg, hdr);
4577 return genlmsg_reply(msg, info);
4586 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4588 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4589 struct key_parse key;
4591 struct net_device *dev = info->user_ptr[1];
4592 int link_id = nl80211_link_id_or_invalid(info->attrs);
4593 struct wireless_dev *wdev = dev->ieee80211_ptr;
4595 err = nl80211_parse_key(info, &key);
4602 /* Only support setting default key and
4603 * Extended Key ID action NL80211_KEY_SET_TX.
4605 if (!key.def && !key.defmgmt && !key.defbeacon &&
4606 !(key.p.mode == NL80211_KEY_SET_TX))
4610 if (!rdev->ops->set_default_key)
4613 err = nl80211_key_allowed(wdev);
4617 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4621 err = rdev_set_default_key(rdev, dev, link_id, key.idx,
4622 key.def_uni, key.def_multi);
4627 #ifdef CONFIG_CFG80211_WEXT
4628 wdev->wext.default_key = key.idx;
4631 } else if (key.defmgmt) {
4632 if (key.def_uni || !key.def_multi)
4635 if (!rdev->ops->set_default_mgmt_key)
4638 err = nl80211_key_allowed(wdev);
4642 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4646 err = rdev_set_default_mgmt_key(rdev, dev, link_id, key.idx);
4650 #ifdef CONFIG_CFG80211_WEXT
4651 wdev->wext.default_mgmt_key = key.idx;
4654 } else if (key.defbeacon) {
4655 if (key.def_uni || !key.def_multi)
4658 if (!rdev->ops->set_default_beacon_key)
4661 err = nl80211_key_allowed(wdev);
4665 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4669 return rdev_set_default_beacon_key(rdev, dev, link_id, key.idx);
4670 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4671 wiphy_ext_feature_isset(&rdev->wiphy,
4672 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4673 u8 *mac_addr = NULL;
4675 if (info->attrs[NL80211_ATTR_MAC])
4676 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4678 if (!mac_addr || key.idx < 0 || key.idx > 1)
4681 err = nl80211_validate_key_link_id(info, wdev, link_id, true);
4685 return rdev_add_key(rdev, dev, link_id, key.idx,
4686 NL80211_KEYTYPE_PAIRWISE,
4693 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4695 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4697 struct net_device *dev = info->user_ptr[1];
4698 struct key_parse key;
4699 const u8 *mac_addr = NULL;
4700 int link_id = nl80211_link_id_or_invalid(info->attrs);
4701 struct wireless_dev *wdev = dev->ieee80211_ptr;
4703 err = nl80211_parse_key(info, &key);
4708 GENL_SET_ERR_MSG(info, "no key");
4712 if (info->attrs[NL80211_ATTR_MAC])
4713 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4715 if (key.type == -1) {
4717 key.type = NL80211_KEYTYPE_PAIRWISE;
4719 key.type = NL80211_KEYTYPE_GROUP;
4723 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4724 key.type != NL80211_KEYTYPE_GROUP) {
4725 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4729 if (key.type == NL80211_KEYTYPE_GROUP &&
4730 info->attrs[NL80211_ATTR_VLAN_ID])
4731 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4733 if (!rdev->ops->add_key)
4736 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4737 key.type == NL80211_KEYTYPE_PAIRWISE,
4739 GENL_SET_ERR_MSG(info, "key setting validation failed");
4743 err = nl80211_key_allowed(wdev);
4745 GENL_SET_ERR_MSG(info, "key not allowed");
4748 err = nl80211_validate_key_link_id(info, wdev, link_id,
4749 key.type == NL80211_KEYTYPE_PAIRWISE);
4752 err = rdev_add_key(rdev, dev, link_id, key.idx,
4753 key.type == NL80211_KEYTYPE_PAIRWISE,
4756 GENL_SET_ERR_MSG(info, "key addition failed");
4762 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4764 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4766 struct net_device *dev = info->user_ptr[1];
4767 u8 *mac_addr = NULL;
4768 struct key_parse key;
4769 int link_id = nl80211_link_id_or_invalid(info->attrs);
4770 struct wireless_dev *wdev = dev->ieee80211_ptr;
4772 err = nl80211_parse_key(info, &key);
4776 if (info->attrs[NL80211_ATTR_MAC])
4777 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4779 if (key.type == -1) {
4781 key.type = NL80211_KEYTYPE_PAIRWISE;
4783 key.type = NL80211_KEYTYPE_GROUP;
4787 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4788 key.type != NL80211_KEYTYPE_GROUP)
4791 if (!cfg80211_valid_key_idx(rdev, key.idx,
4792 key.type == NL80211_KEYTYPE_PAIRWISE))
4795 if (!rdev->ops->del_key)
4798 err = nl80211_key_allowed(wdev);
4800 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4801 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4805 err = nl80211_validate_key_link_id(info, wdev, link_id,
4806 key.type == NL80211_KEYTYPE_PAIRWISE);
4809 err = rdev_del_key(rdev, dev, link_id, key.idx,
4810 key.type == NL80211_KEYTYPE_PAIRWISE,
4813 #ifdef CONFIG_CFG80211_WEXT
4815 if (key.idx == wdev->wext.default_key)
4816 wdev->wext.default_key = -1;
4817 else if (key.idx == wdev->wext.default_mgmt_key)
4818 wdev->wext.default_mgmt_key = -1;
4825 /* This function returns an error or the number of nested attributes */
4826 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4828 struct nlattr *attr;
4829 int n_entries = 0, tmp;
4831 nla_for_each_nested(attr, nl_attr, tmp) {
4832 if (nla_len(attr) != ETH_ALEN)
4842 * This function parses ACL information and allocates memory for ACL data.
4843 * On successful return, the calling function is responsible to free the
4844 * ACL buffer returned by this function.
4846 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4847 struct genl_info *info)
4849 enum nl80211_acl_policy acl_policy;
4850 struct nlattr *attr;
4851 struct cfg80211_acl_data *acl;
4852 int i = 0, n_entries, tmp;
4854 if (!wiphy->max_acl_mac_addrs)
4855 return ERR_PTR(-EOPNOTSUPP);
4857 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4858 return ERR_PTR(-EINVAL);
4860 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4861 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4862 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4863 return ERR_PTR(-EINVAL);
4865 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4866 return ERR_PTR(-EINVAL);
4868 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4870 return ERR_PTR(n_entries);
4872 if (n_entries > wiphy->max_acl_mac_addrs)
4873 return ERR_PTR(-EOPNOTSUPP);
4875 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4877 return ERR_PTR(-ENOMEM);
4878 acl->n_acl_entries = n_entries;
4880 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4881 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4884 acl->acl_policy = acl_policy;
4889 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4891 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4892 struct net_device *dev = info->user_ptr[1];
4893 struct cfg80211_acl_data *acl;
4896 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4897 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4900 if (!dev->ieee80211_ptr->links[0].ap.beacon_interval)
4903 acl = parse_acl_data(&rdev->wiphy, info);
4905 return PTR_ERR(acl);
4907 err = rdev_set_mac_acl(rdev, dev, acl);
4914 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4915 u8 *rates, u8 rates_len)
4920 for (i = 0; i < rates_len; i++) {
4921 int rate = (rates[i] & 0x7f) * 5;
4924 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4925 struct ieee80211_rate *srate =
4926 &sband->bitrates[ridx];
4927 if (rate == srate->bitrate) {
4932 if (ridx == sband->n_bitrates)
4933 return 0; /* rate not found */
4939 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4940 u8 *rates, u8 rates_len,
4941 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4945 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4947 for (i = 0; i < rates_len; i++) {
4950 ridx = rates[i] / 8;
4951 rbit = BIT(rates[i] % 8);
4953 /* check validity */
4954 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4957 /* check availability */
4958 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4959 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4968 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4972 switch (vht_mcs_map) {
4973 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4975 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4978 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4981 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4991 static void vht_build_mcs_mask(u16 vht_mcs_map,
4992 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4996 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4997 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
5002 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
5003 struct nl80211_txrate_vht *txrate,
5004 u16 mcs[NL80211_VHT_NSS_MAX])
5006 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5007 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
5010 if (!sband->vht_cap.vht_supported)
5013 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
5015 /* Build vht_mcs_mask from VHT capabilities */
5016 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5018 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5019 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5020 mcs[i] = txrate->mcs[i];
5028 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
5030 switch (he_mcs_map) {
5031 case IEEE80211_HE_MCS_NOT_SUPPORTED:
5033 case IEEE80211_HE_MCS_SUPPORT_0_7:
5035 case IEEE80211_HE_MCS_SUPPORT_0_9:
5037 case IEEE80211_HE_MCS_SUPPORT_0_11:
5045 static void he_build_mcs_mask(u16 he_mcs_map,
5046 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
5050 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
5051 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
5056 static u16 he_get_txmcsmap(struct genl_info *info, unsigned int link_id,
5057 const struct ieee80211_sta_he_cap *he_cap)
5059 struct net_device *dev = info->user_ptr[1];
5060 struct wireless_dev *wdev = dev->ieee80211_ptr;
5061 struct cfg80211_chan_def *chandef;
5064 chandef = wdev_chandef(wdev, link_id);
5067 * This is probably broken, but we never maintained
5068 * a chandef in these cases, so it always was.
5070 return le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);
5073 switch (chandef->width) {
5074 case NL80211_CHAN_WIDTH_80P80:
5075 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
5077 case NL80211_CHAN_WIDTH_160:
5078 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
5081 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
5085 return le16_to_cpu(tx_mcs);
5088 static bool he_set_mcs_mask(struct genl_info *info,
5089 struct wireless_dev *wdev,
5090 struct ieee80211_supported_band *sband,
5091 struct nl80211_txrate_he *txrate,
5092 u16 mcs[NL80211_HE_NSS_MAX],
5093 unsigned int link_id)
5095 const struct ieee80211_sta_he_cap *he_cap;
5096 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
5100 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5104 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
5106 tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
5108 /* Build he_mcs_mask from HE capabilities */
5109 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5111 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5112 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5113 mcs[i] = txrate->mcs[i];
5121 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
5122 struct nlattr *attrs[],
5123 enum nl80211_attrs attr,
5124 struct cfg80211_bitrate_mask *mask,
5125 struct net_device *dev,
5126 bool default_all_enabled,
5127 unsigned int link_id)
5129 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
5130 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5131 struct wireless_dev *wdev = dev->ieee80211_ptr;
5133 struct nlattr *tx_rates;
5134 struct ieee80211_supported_band *sband;
5135 u16 vht_tx_mcs_map, he_tx_mcs_map;
5137 memset(mask, 0, sizeof(*mask));
5138 /* Default to all rates enabled */
5139 for (i = 0; i < NUM_NL80211_BANDS; i++) {
5140 const struct ieee80211_sta_he_cap *he_cap;
5142 if (!default_all_enabled)
5145 sband = rdev->wiphy.bands[i];
5150 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
5151 memcpy(mask->control[i].ht_mcs,
5152 sband->ht_cap.mcs.rx_mask,
5153 sizeof(mask->control[i].ht_mcs));
5155 if (sband->vht_cap.vht_supported) {
5156 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5157 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
5160 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5164 he_tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
5165 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
5167 mask->control[i].he_gi = 0xFF;
5168 mask->control[i].he_ltf = 0xFF;
5171 /* if no rates are given set it back to the defaults */
5175 /* The nested attribute uses enum nl80211_band as the index. This maps
5176 * directly to the enum nl80211_band values used in cfg80211.
5178 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
5179 nla_for_each_nested(tx_rates, attrs[attr], rem) {
5180 enum nl80211_band band = nla_type(tx_rates);
5183 if (band < 0 || band >= NUM_NL80211_BANDS)
5185 sband = rdev->wiphy.bands[band];
5188 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
5190 nl80211_txattr_policy,
5194 if (tb[NL80211_TXRATE_LEGACY]) {
5195 mask->control[band].legacy = rateset_to_mask(
5197 nla_data(tb[NL80211_TXRATE_LEGACY]),
5198 nla_len(tb[NL80211_TXRATE_LEGACY]));
5199 if ((mask->control[band].legacy == 0) &&
5200 nla_len(tb[NL80211_TXRATE_LEGACY]))
5203 if (tb[NL80211_TXRATE_HT]) {
5204 if (!ht_rateset_to_mask(
5206 nla_data(tb[NL80211_TXRATE_HT]),
5207 nla_len(tb[NL80211_TXRATE_HT]),
5208 mask->control[band].ht_mcs))
5212 if (tb[NL80211_TXRATE_VHT]) {
5213 if (!vht_set_mcs_mask(
5215 nla_data(tb[NL80211_TXRATE_VHT]),
5216 mask->control[band].vht_mcs))
5220 if (tb[NL80211_TXRATE_GI]) {
5221 mask->control[band].gi =
5222 nla_get_u8(tb[NL80211_TXRATE_GI]);
5223 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
5226 if (tb[NL80211_TXRATE_HE] &&
5227 !he_set_mcs_mask(info, wdev, sband,
5228 nla_data(tb[NL80211_TXRATE_HE]),
5229 mask->control[band].he_mcs,
5233 if (tb[NL80211_TXRATE_HE_GI])
5234 mask->control[band].he_gi =
5235 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
5236 if (tb[NL80211_TXRATE_HE_LTF])
5237 mask->control[band].he_ltf =
5238 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
5240 if (mask->control[band].legacy == 0) {
5241 /* don't allow empty legacy rates if HT, VHT or HE
5242 * are not even supported.
5244 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
5245 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
5246 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
5249 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
5250 if (mask->control[band].ht_mcs[i])
5253 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
5254 if (mask->control[band].vht_mcs[i])
5257 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
5258 if (mask->control[band].he_mcs[i])
5261 /* legacy and mcs rates may not be both empty */
5270 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
5271 enum nl80211_band band,
5272 struct cfg80211_bitrate_mask *beacon_rate)
5274 u32 count_ht, count_vht, count_he, i;
5275 u32 rate = beacon_rate->control[band].legacy;
5277 /* Allow only one rate */
5278 if (hweight32(rate) > 1)
5282 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
5283 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
5285 } else if (beacon_rate->control[band].ht_mcs[i]) {
5290 if (count_ht && rate)
5295 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5296 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
5298 } else if (beacon_rate->control[band].vht_mcs[i]) {
5303 if (count_vht && rate)
5308 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5309 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
5311 } else if (beacon_rate->control[band].he_mcs[i]) {
5316 if (count_he && rate)
5320 if ((count_ht && count_vht && count_he) ||
5321 (!rate && !count_ht && !count_vht && !count_he))
5325 !wiphy_ext_feature_isset(&rdev->wiphy,
5326 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
5329 !wiphy_ext_feature_isset(&rdev->wiphy,
5330 NL80211_EXT_FEATURE_BEACON_RATE_HT))
5333 !wiphy_ext_feature_isset(&rdev->wiphy,
5334 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
5337 !wiphy_ext_feature_isset(&rdev->wiphy,
5338 NL80211_EXT_FEATURE_BEACON_RATE_HE))
5344 static int nl80211_parse_mbssid_config(struct wiphy *wiphy,
5345 struct net_device *dev,
5346 struct nlattr *attrs,
5347 struct cfg80211_mbssid_config *config,
5350 struct nlattr *tb[NL80211_MBSSID_CONFIG_ATTR_MAX + 1];
5352 if (!wiphy->mbssid_max_interfaces)
5355 if (nla_parse_nested(tb, NL80211_MBSSID_CONFIG_ATTR_MAX, attrs, NULL,
5357 !tb[NL80211_MBSSID_CONFIG_ATTR_INDEX])
5360 config->ema = nla_get_flag(tb[NL80211_MBSSID_CONFIG_ATTR_EMA]);
5362 if (!wiphy->ema_max_profile_periodicity)
5365 if (num_elems > wiphy->ema_max_profile_periodicity)
5369 config->index = nla_get_u8(tb[NL80211_MBSSID_CONFIG_ATTR_INDEX]);
5370 if (config->index >= wiphy->mbssid_max_interfaces ||
5371 (!config->index && !num_elems))
5374 if (tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]) {
5376 nla_get_u32(tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]);
5378 if ((!config->index && tx_ifindex != dev->ifindex) ||
5379 (config->index && tx_ifindex == dev->ifindex))
5382 if (tx_ifindex != dev->ifindex) {
5383 struct net_device *tx_netdev =
5384 dev_get_by_index(wiphy_net(wiphy), tx_ifindex);
5386 if (!tx_netdev || !tx_netdev->ieee80211_ptr ||
5387 tx_netdev->ieee80211_ptr->wiphy != wiphy ||
5388 tx_netdev->ieee80211_ptr->iftype !=
5389 NL80211_IFTYPE_AP) {
5394 config->tx_wdev = tx_netdev->ieee80211_ptr;
5396 config->tx_wdev = dev->ieee80211_ptr;
5398 } else if (!config->index) {
5399 config->tx_wdev = dev->ieee80211_ptr;
5407 static struct cfg80211_mbssid_elems *
5408 nl80211_parse_mbssid_elems(struct wiphy *wiphy, struct nlattr *attrs)
5410 struct nlattr *nl_elems;
5411 struct cfg80211_mbssid_elems *elems;
5413 u8 i = 0, num_elems = 0;
5415 if (!wiphy->mbssid_max_interfaces)
5416 return ERR_PTR(-EINVAL);
5418 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5419 if (num_elems >= 255)
5420 return ERR_PTR(-EINVAL);
5424 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5426 return ERR_PTR(-ENOMEM);
5427 elems->cnt = num_elems;
5429 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5430 elems->elem[i].data = nla_data(nl_elems);
5431 elems->elem[i].len = nla_len(nl_elems);
5437 static struct cfg80211_rnr_elems *
5438 nl80211_parse_rnr_elems(struct wiphy *wiphy, struct nlattr *attrs,
5439 struct netlink_ext_ack *extack)
5441 struct nlattr *nl_elems;
5442 struct cfg80211_rnr_elems *elems;
5444 u8 i = 0, num_elems = 0;
5446 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5449 ret = validate_ie_attr(nl_elems, extack);
5451 return ERR_PTR(ret);
5456 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5458 return ERR_PTR(-ENOMEM);
5459 elems->cnt = num_elems;
5461 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5462 elems->elem[i].data = nla_data(nl_elems);
5463 elems->elem[i].len = nla_len(nl_elems);
5469 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5470 struct cfg80211_he_bss_color *he_bss_color)
5472 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5475 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5476 he_bss_color_policy, NULL);
5480 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5483 he_bss_color->color =
5484 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5485 he_bss_color->enabled =
5486 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5487 he_bss_color->partial =
5488 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5493 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
5494 struct nlattr *attrs[],
5495 struct cfg80211_beacon_data *bcn,
5496 struct netlink_ext_ack *extack)
5498 bool haveinfo = false;
5501 memset(bcn, 0, sizeof(*bcn));
5503 bcn->link_id = nl80211_link_id(attrs);
5505 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
5506 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
5507 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
5513 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
5514 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
5515 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
5522 if (attrs[NL80211_ATTR_IE]) {
5523 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
5524 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
5527 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
5528 bcn->proberesp_ies =
5529 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5530 bcn->proberesp_ies_len =
5531 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5534 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
5535 bcn->assocresp_ies =
5536 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5537 bcn->assocresp_ies_len =
5538 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5541 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5542 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5543 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
5546 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5547 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5549 err = nla_parse_nested_deprecated(tb,
5550 NL80211_FTM_RESP_ATTR_MAX,
5551 attrs[NL80211_ATTR_FTM_RESPONDER],
5556 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5557 wiphy_ext_feature_isset(&rdev->wiphy,
5558 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5559 bcn->ftm_responder = 1;
5563 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5564 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5565 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5568 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5569 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5570 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5573 bcn->ftm_responder = -1;
5576 if (attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5577 err = nl80211_parse_he_bss_color(attrs[NL80211_ATTR_HE_BSS_COLOR],
5578 &bcn->he_bss_color);
5581 bcn->he_bss_color_valid = true;
5584 if (attrs[NL80211_ATTR_MBSSID_ELEMS]) {
5585 struct cfg80211_mbssid_elems *mbssid =
5586 nl80211_parse_mbssid_elems(&rdev->wiphy,
5587 attrs[NL80211_ATTR_MBSSID_ELEMS]);
5590 return PTR_ERR(mbssid);
5592 bcn->mbssid_ies = mbssid;
5594 if (bcn->mbssid_ies && attrs[NL80211_ATTR_EMA_RNR_ELEMS]) {
5595 struct cfg80211_rnr_elems *rnr =
5596 nl80211_parse_rnr_elems(&rdev->wiphy,
5597 attrs[NL80211_ATTR_EMA_RNR_ELEMS],
5601 return PTR_ERR(rnr);
5603 if (rnr && rnr->cnt < bcn->mbssid_ies->cnt)
5613 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5614 struct ieee80211_he_obss_pd *he_obss_pd)
5616 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5619 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5620 he_obss_pd_policy, NULL);
5624 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5627 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5629 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5630 he_obss_pd->min_offset =
5631 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5632 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5633 he_obss_pd->max_offset =
5634 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
5635 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5636 he_obss_pd->non_srg_max_offset =
5637 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
5639 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
5642 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5643 memcpy(he_obss_pd->bss_color_bitmap,
5644 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5645 sizeof(he_obss_pd->bss_color_bitmap));
5647 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5648 memcpy(he_obss_pd->partial_bssid_bitmap,
5649 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5650 sizeof(he_obss_pd->partial_bssid_bitmap));
5652 he_obss_pd->enable = true;
5657 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5658 struct nlattr *attrs,
5659 struct cfg80211_fils_discovery *fd)
5661 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5664 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5665 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5668 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5673 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] &&
5674 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] &&
5675 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]) {
5680 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5681 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5682 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5685 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5686 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5687 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5688 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5694 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5695 struct nlattr *attrs,
5696 struct cfg80211_unsol_bcast_probe_resp *presp)
5698 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5701 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5702 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5705 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5710 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] &&
5711 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]) {
5712 presp->update = true;
5716 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5717 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5720 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5721 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5722 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5723 presp->update = true;
5727 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5728 const struct element *rates)
5735 for (i = 0; i < rates->datalen; i++) {
5736 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5737 params->ht_required = true;
5738 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5739 params->vht_required = true;
5740 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5741 params->he_required = true;
5742 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5743 params->sae_h2e_required = true;
5748 * Since the nl80211 API didn't include, from the beginning, attributes about
5749 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5750 * benefit of drivers that rebuild IEs in the firmware.
5752 static int nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5754 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5755 size_t ies_len = bcn->tail_len;
5756 const u8 *ies = bcn->tail;
5757 const struct element *rates;
5758 const struct element *cap;
5760 rates = cfg80211_find_elem(WLAN_EID_SUPP_RATES, ies, ies_len);
5761 nl80211_check_ap_rate_selectors(params, rates);
5763 rates = cfg80211_find_elem(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5764 nl80211_check_ap_rate_selectors(params, rates);
5766 cap = cfg80211_find_elem(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5767 if (cap && cap->datalen >= sizeof(*params->ht_cap))
5768 params->ht_cap = (void *)cap->data;
5769 cap = cfg80211_find_elem(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5770 if (cap && cap->datalen >= sizeof(*params->vht_cap))
5771 params->vht_cap = (void *)cap->data;
5772 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5773 if (cap && cap->datalen >= sizeof(*params->he_cap) + 1)
5774 params->he_cap = (void *)(cap->data + 1);
5775 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5776 if (cap && cap->datalen >= sizeof(*params->he_oper) + 1)
5777 params->he_oper = (void *)(cap->data + 1);
5778 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_CAPABILITY, ies, ies_len);
5782 params->eht_cap = (void *)(cap->data + 1);
5783 if (!ieee80211_eht_capa_size_ok((const u8 *)params->he_cap,
5784 (const u8 *)params->eht_cap,
5785 cap->datalen - 1, true))
5788 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_OPERATION, ies, ies_len);
5792 params->eht_oper = (void *)(cap->data + 1);
5793 if (!ieee80211_eht_oper_size_ok((const u8 *)params->eht_oper,
5800 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5801 struct cfg80211_ap_settings *params)
5803 struct wireless_dev *wdev;
5805 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5806 if (wdev->iftype != NL80211_IFTYPE_AP &&
5807 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5810 if (!wdev->u.ap.preset_chandef.chan)
5813 params->chandef = wdev->u.ap.preset_chandef;
5820 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5821 enum nl80211_auth_type auth_type,
5822 enum nl80211_commands cmd)
5824 if (auth_type > NL80211_AUTHTYPE_MAX)
5828 case NL80211_CMD_AUTHENTICATE:
5829 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5830 auth_type == NL80211_AUTHTYPE_SAE)
5832 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5833 NL80211_EXT_FEATURE_FILS_STA) &&
5834 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5835 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5836 auth_type == NL80211_AUTHTYPE_FILS_PK))
5839 case NL80211_CMD_CONNECT:
5840 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5841 !wiphy_ext_feature_isset(&rdev->wiphy,
5842 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5843 auth_type == NL80211_AUTHTYPE_SAE)
5846 /* FILS with SK PFS or PK not supported yet */
5847 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5848 auth_type == NL80211_AUTHTYPE_FILS_PK)
5850 if (!wiphy_ext_feature_isset(
5852 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5853 auth_type == NL80211_AUTHTYPE_FILS_SK)
5856 case NL80211_CMD_START_AP:
5857 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5858 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5859 auth_type == NL80211_AUTHTYPE_SAE)
5861 /* FILS not supported yet */
5862 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5863 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5864 auth_type == NL80211_AUTHTYPE_FILS_PK)
5872 static void nl80211_send_ap_started(struct wireless_dev *wdev,
5873 unsigned int link_id)
5875 struct wiphy *wiphy = wdev->wiphy;
5876 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5877 struct sk_buff *msg;
5880 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5884 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_START_AP);
5888 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
5889 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
5890 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
5891 NL80211_ATTR_PAD) ||
5892 (wdev->u.ap.ssid_len &&
5893 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
5894 wdev->u.ap.ssid)) ||
5895 (wdev->valid_links &&
5896 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)))
5899 genlmsg_end(msg, hdr);
5901 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
5902 NL80211_MCGRP_MLME, GFP_KERNEL);
5908 static int nl80211_validate_ap_phy_operation(struct cfg80211_ap_settings *params)
5910 struct ieee80211_channel *channel = params->chandef.chan;
5912 if ((params->he_cap || params->he_oper) &&
5913 (channel->flags & IEEE80211_CHAN_NO_HE))
5916 if ((params->eht_cap || params->eht_oper) &&
5917 (channel->flags & IEEE80211_CHAN_NO_EHT))
5923 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5925 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5926 unsigned int link_id = nl80211_link_id(info->attrs);
5927 struct net_device *dev = info->user_ptr[1];
5928 struct wireless_dev *wdev = dev->ieee80211_ptr;
5929 struct cfg80211_ap_settings *params;
5932 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5933 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5936 if (!rdev->ops->start_ap)
5939 if (wdev->links[link_id].ap.beacon_interval)
5942 /* these are required for START_AP */
5943 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5944 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5945 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5948 params = kzalloc(sizeof(*params), GFP_KERNEL);
5952 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms->beacon,
5957 params->beacon_interval =
5958 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5959 params->dtim_period =
5960 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5962 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5963 params->beacon_interval);
5968 * In theory, some of these attributes should be required here
5969 * but since they were not used when the command was originally
5970 * added, keep them optional for old user space programs to let
5971 * them continue to work with drivers that do not need the
5972 * additional information -- drivers must check!
5974 if (info->attrs[NL80211_ATTR_SSID]) {
5975 params->ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5977 nla_len(info->attrs[NL80211_ATTR_SSID]);
5978 if (params->ssid_len == 0) {
5983 if (wdev->u.ap.ssid_len &&
5984 (wdev->u.ap.ssid_len != params->ssid_len ||
5985 memcmp(wdev->u.ap.ssid, params->ssid, params->ssid_len))) {
5986 /* require identical SSID for MLO */
5990 } else if (wdev->valid_links) {
5991 /* require SSID for MLO */
5996 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
5997 params->hidden_ssid = nla_get_u32(
5998 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
6000 params->privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
6002 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
6003 params->auth_type = nla_get_u32(
6004 info->attrs[NL80211_ATTR_AUTH_TYPE]);
6005 if (!nl80211_valid_auth_type(rdev, params->auth_type,
6006 NL80211_CMD_START_AP)) {
6011 params->auth_type = NL80211_AUTHTYPE_AUTOMATIC;
6013 err = nl80211_crypto_settings(rdev, info, ¶ms->crypto,
6014 NL80211_MAX_NR_CIPHER_SUITES);
6018 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
6019 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) {
6023 params->inactivity_timeout = nla_get_u16(
6024 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
6027 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6028 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6032 params->p2p_ctwindow =
6033 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
6034 if (params->p2p_ctwindow != 0 &&
6035 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) {
6041 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6044 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6048 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
6049 params->p2p_opp_ps = tmp;
6050 if (params->p2p_opp_ps != 0 &&
6051 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) {
6057 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
6058 err = nl80211_parse_chandef(rdev, info, ¶ms->chandef);
6061 } else if (wdev->valid_links) {
6062 /* with MLD need to specify the channel configuration */
6065 } else if (wdev->u.ap.preset_chandef.chan) {
6066 params->chandef = wdev->u.ap.preset_chandef;
6067 } else if (!nl80211_get_ap_channel(rdev, params)) {
6072 if (info->attrs[NL80211_ATTR_PUNCT_BITMAP]) {
6073 err = nl80211_parse_punct_bitmap(rdev, info,
6075 ¶ms->punct_bitmap);
6080 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms->chandef,
6086 if (info->attrs[NL80211_ATTR_TX_RATES]) {
6087 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
6088 NL80211_ATTR_TX_RATES,
6089 ¶ms->beacon_rate,
6090 dev, false, link_id);
6094 err = validate_beacon_tx_rate(rdev, params->chandef.chan->band,
6095 ¶ms->beacon_rate);
6100 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
6102 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
6103 switch (params->smps_mode) {
6104 case NL80211_SMPS_OFF:
6106 case NL80211_SMPS_STATIC:
6107 if (!(rdev->wiphy.features &
6108 NL80211_FEATURE_STATIC_SMPS)) {
6113 case NL80211_SMPS_DYNAMIC:
6114 if (!(rdev->wiphy.features &
6115 NL80211_FEATURE_DYNAMIC_SMPS)) {
6125 params->smps_mode = NL80211_SMPS_OFF;
6128 params->pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
6129 if (params->pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
6134 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
6135 params->acl = parse_acl_data(&rdev->wiphy, info);
6136 if (IS_ERR(params->acl)) {
6137 err = PTR_ERR(params->acl);
6143 params->twt_responder =
6144 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
6146 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
6147 err = nl80211_parse_he_obss_pd(
6148 info->attrs[NL80211_ATTR_HE_OBSS_PD],
6149 ¶ms->he_obss_pd);
6154 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
6155 err = nl80211_parse_fils_discovery(rdev,
6156 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
6157 ¶ms->fils_discovery);
6162 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
6163 err = nl80211_parse_unsol_bcast_probe_resp(
6164 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
6165 ¶ms->unsol_bcast_probe_resp);
6170 if (info->attrs[NL80211_ATTR_MBSSID_CONFIG]) {
6171 err = nl80211_parse_mbssid_config(&rdev->wiphy, dev,
6172 info->attrs[NL80211_ATTR_MBSSID_CONFIG],
6173 ¶ms->mbssid_config,
6174 params->beacon.mbssid_ies ?
6175 params->beacon.mbssid_ies->cnt :
6181 if (!params->mbssid_config.ema && params->beacon.rnr_ies) {
6186 err = nl80211_calculate_ap_params(params);
6190 err = nl80211_validate_ap_phy_operation(params);
6194 if (info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS])
6195 params->flags = nla_get_u32(
6196 info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS]);
6197 else if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
6198 params->flags |= NL80211_AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
6200 if (wdev->conn_owner_nlportid &&
6201 info->attrs[NL80211_ATTR_SOCKET_OWNER] &&
6202 wdev->conn_owner_nlportid != info->snd_portid) {
6207 /* FIXME: validate MLO/link-id against driver capabilities */
6209 err = rdev_start_ap(rdev, dev, params);
6211 wdev->links[link_id].ap.beacon_interval = params->beacon_interval;
6212 wdev->links[link_id].ap.chandef = params->chandef;
6213 wdev->u.ap.ssid_len = params->ssid_len;
6214 memcpy(wdev->u.ap.ssid, params->ssid,
6217 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
6218 wdev->conn_owner_nlportid = info->snd_portid;
6220 nl80211_send_ap_started(wdev, link_id);
6224 kfree(params->beacon.mbssid_ies);
6225 if (params->mbssid_config.tx_wdev &&
6226 params->mbssid_config.tx_wdev->netdev &&
6227 params->mbssid_config.tx_wdev->netdev != dev)
6228 dev_put(params->mbssid_config.tx_wdev->netdev);
6229 kfree(params->beacon.rnr_ies);
6235 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
6237 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6238 unsigned int link_id = nl80211_link_id(info->attrs);
6239 struct net_device *dev = info->user_ptr[1];
6240 struct wireless_dev *wdev = dev->ieee80211_ptr;
6241 struct cfg80211_ap_update *params;
6242 struct nlattr *attr;
6245 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6246 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6249 if (!rdev->ops->change_beacon)
6252 if (!wdev->links[link_id].ap.beacon_interval)
6255 params = kzalloc(sizeof(*params), GFP_KERNEL);
6259 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms->beacon,
6264 attr = info->attrs[NL80211_ATTR_FILS_DISCOVERY];
6266 err = nl80211_parse_fils_discovery(rdev, attr,
6267 ¶ms->fils_discovery);
6272 attr = info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP];
6274 err = nl80211_parse_unsol_bcast_probe_resp(rdev, attr,
6275 ¶ms->unsol_bcast_probe_resp);
6280 err = rdev_change_beacon(rdev, dev, params);
6283 kfree(params->beacon.mbssid_ies);
6284 kfree(params->beacon.rnr_ies);
6289 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
6291 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6292 unsigned int link_id = nl80211_link_id(info->attrs);
6293 struct net_device *dev = info->user_ptr[1];
6295 return cfg80211_stop_ap(rdev, dev, link_id, false);
6298 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
6299 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
6300 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
6301 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
6302 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
6303 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
6304 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
6307 static int parse_station_flags(struct genl_info *info,
6308 enum nl80211_iftype iftype,
6309 struct station_parameters *params)
6311 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
6316 * Try parsing the new attribute first so userspace
6317 * can specify both for older kernels.
6319 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
6321 struct nl80211_sta_flag_update *sta_flags;
6323 sta_flags = nla_data(nla);
6324 params->sta_flags_mask = sta_flags->mask;
6325 params->sta_flags_set = sta_flags->set;
6326 params->sta_flags_set &= params->sta_flags_mask;
6327 if ((params->sta_flags_mask |
6328 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
6333 /* if present, parse the old attribute */
6335 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
6339 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
6343 * Only allow certain flags for interface types so that
6344 * other attributes are silently ignored. Remember that
6345 * this is backward compatibility code with old userspace
6346 * and shouldn't be hit in other cases anyway.
6349 case NL80211_IFTYPE_AP:
6350 case NL80211_IFTYPE_AP_VLAN:
6351 case NL80211_IFTYPE_P2P_GO:
6352 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6353 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6354 BIT(NL80211_STA_FLAG_WME) |
6355 BIT(NL80211_STA_FLAG_MFP);
6357 case NL80211_IFTYPE_P2P_CLIENT:
6358 case NL80211_IFTYPE_STATION:
6359 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6360 BIT(NL80211_STA_FLAG_TDLS_PEER);
6362 case NL80211_IFTYPE_MESH_POINT:
6363 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6364 BIT(NL80211_STA_FLAG_MFP) |
6365 BIT(NL80211_STA_FLAG_AUTHORIZED);
6371 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
6373 params->sta_flags_set |= (1<<flag);
6375 /* no longer support new API additions in old API */
6376 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
6384 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
6386 struct nlattr *rate;
6389 enum nl80211_rate_info rate_flg;
6391 rate = nla_nest_start_noflag(msg, attr);
6395 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
6396 bitrate = cfg80211_calculate_bitrate(info);
6397 /* report 16-bit bitrate only if we can */
6398 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
6400 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
6402 if (bitrate_compat > 0 &&
6403 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
6407 case RATE_INFO_BW_1:
6408 rate_flg = NL80211_RATE_INFO_1_MHZ_WIDTH;
6410 case RATE_INFO_BW_2:
6411 rate_flg = NL80211_RATE_INFO_2_MHZ_WIDTH;
6413 case RATE_INFO_BW_4:
6414 rate_flg = NL80211_RATE_INFO_4_MHZ_WIDTH;
6416 case RATE_INFO_BW_5:
6417 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
6419 case RATE_INFO_BW_8:
6420 rate_flg = NL80211_RATE_INFO_8_MHZ_WIDTH;
6422 case RATE_INFO_BW_10:
6423 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
6425 case RATE_INFO_BW_16:
6426 rate_flg = NL80211_RATE_INFO_16_MHZ_WIDTH;
6431 case RATE_INFO_BW_20:
6434 case RATE_INFO_BW_40:
6435 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
6437 case RATE_INFO_BW_80:
6438 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
6440 case RATE_INFO_BW_160:
6441 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
6443 case RATE_INFO_BW_HE_RU:
6445 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
6447 case RATE_INFO_BW_320:
6448 rate_flg = NL80211_RATE_INFO_320_MHZ_WIDTH;
6450 case RATE_INFO_BW_EHT_RU:
6452 WARN_ON(!(info->flags & RATE_INFO_FLAGS_EHT_MCS));
6456 if (rate_flg && nla_put_flag(msg, rate_flg))
6459 if (info->flags & RATE_INFO_FLAGS_MCS) {
6460 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
6462 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6463 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6465 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
6466 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
6468 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
6470 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6471 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6473 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
6474 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
6476 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
6478 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
6480 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
6482 if (info->bw == RATE_INFO_BW_HE_RU &&
6483 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
6486 } else if (info->flags & RATE_INFO_FLAGS_S1G_MCS) {
6487 if (nla_put_u8(msg, NL80211_RATE_INFO_S1G_MCS, info->mcs))
6489 if (nla_put_u8(msg, NL80211_RATE_INFO_S1G_NSS, info->nss))
6491 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6492 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6494 } else if (info->flags & RATE_INFO_FLAGS_EHT_MCS) {
6495 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_MCS, info->mcs))
6497 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_NSS, info->nss))
6499 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_GI, info->eht_gi))
6501 if (info->bw == RATE_INFO_BW_EHT_RU &&
6502 nla_put_u8(msg, NL80211_RATE_INFO_EHT_RU_ALLOC,
6503 info->eht_ru_alloc))
6507 nla_nest_end(msg, rate);
6511 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
6520 attr = nla_nest_start_noflag(msg, id);
6524 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
6525 if (!(mask & BIT(i)))
6528 if (nla_put_u8(msg, i, signal[i]))
6532 nla_nest_end(msg, attr);
6537 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
6539 struct cfg80211_registered_device *rdev,
6540 struct net_device *dev,
6541 const u8 *mac_addr, struct station_info *sinfo)
6544 struct nlattr *sinfoattr, *bss_param;
6546 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
6548 cfg80211_sinfo_release_content(sinfo);
6552 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6553 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
6554 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
6555 goto nla_put_failure;
6557 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
6559 goto nla_put_failure;
6561 #define PUT_SINFO(attr, memb, type) do { \
6562 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
6563 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6564 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
6566 goto nla_put_failure; \
6568 #define PUT_SINFO_U64(attr, memb) do { \
6569 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6570 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
6571 sinfo->memb, NL80211_STA_INFO_PAD)) \
6572 goto nla_put_failure; \
6575 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
6576 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
6577 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
6579 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
6580 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
6581 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
6582 (u32)sinfo->rx_bytes))
6583 goto nla_put_failure;
6585 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
6586 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
6587 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
6588 (u32)sinfo->tx_bytes))
6589 goto nla_put_failure;
6591 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
6592 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
6593 PUT_SINFO(LLID, llid, u16);
6594 PUT_SINFO(PLID, plid, u16);
6595 PUT_SINFO(PLINK_STATE, plink_state, u8);
6596 PUT_SINFO_U64(RX_DURATION, rx_duration);
6597 PUT_SINFO_U64(TX_DURATION, tx_duration);
6599 if (wiphy_ext_feature_isset(&rdev->wiphy,
6600 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6601 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
6603 switch (rdev->wiphy.signal_type) {
6604 case CFG80211_SIGNAL_TYPE_MBM:
6605 PUT_SINFO(SIGNAL, signal, u8);
6606 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
6611 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
6612 if (!nl80211_put_signal(msg, sinfo->chains,
6613 sinfo->chain_signal,
6614 NL80211_STA_INFO_CHAIN_SIGNAL))
6615 goto nla_put_failure;
6617 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
6618 if (!nl80211_put_signal(msg, sinfo->chains,
6619 sinfo->chain_signal_avg,
6620 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
6621 goto nla_put_failure;
6623 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
6624 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
6625 NL80211_STA_INFO_TX_BITRATE))
6626 goto nla_put_failure;
6628 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
6629 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
6630 NL80211_STA_INFO_RX_BITRATE))
6631 goto nla_put_failure;
6634 PUT_SINFO(RX_PACKETS, rx_packets, u32);
6635 PUT_SINFO(TX_PACKETS, tx_packets, u32);
6636 PUT_SINFO(TX_RETRIES, tx_retries, u32);
6637 PUT_SINFO(TX_FAILED, tx_failed, u32);
6638 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
6639 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
6640 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
6641 PUT_SINFO(LOCAL_PM, local_pm, u32);
6642 PUT_SINFO(PEER_PM, peer_pm, u32);
6643 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
6644 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
6645 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
6647 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
6648 bss_param = nla_nest_start_noflag(msg,
6649 NL80211_STA_INFO_BSS_PARAM);
6651 goto nla_put_failure;
6653 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
6654 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
6655 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
6656 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
6657 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
6658 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
6659 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
6660 sinfo->bss_param.dtim_period) ||
6661 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
6662 sinfo->bss_param.beacon_interval))
6663 goto nla_put_failure;
6665 nla_nest_end(msg, bss_param);
6667 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
6668 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
6669 sizeof(struct nl80211_sta_flag_update),
6671 goto nla_put_failure;
6673 PUT_SINFO_U64(T_OFFSET, t_offset);
6674 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
6675 PUT_SINFO_U64(BEACON_RX, rx_beacon);
6676 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
6677 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
6678 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
6679 if (wiphy_ext_feature_isset(&rdev->wiphy,
6680 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
6681 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
6682 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
6686 #undef PUT_SINFO_U64
6688 if (sinfo->pertid) {
6689 struct nlattr *tidsattr;
6692 tidsattr = nla_nest_start_noflag(msg,
6693 NL80211_STA_INFO_TID_STATS);
6695 goto nla_put_failure;
6697 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
6698 struct cfg80211_tid_stats *tidstats;
6699 struct nlattr *tidattr;
6701 tidstats = &sinfo->pertid[tid];
6703 if (!tidstats->filled)
6706 tidattr = nla_nest_start_noflag(msg, tid + 1);
6708 goto nla_put_failure;
6710 #define PUT_TIDVAL_U64(attr, memb) do { \
6711 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
6712 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
6713 tidstats->memb, NL80211_TID_STATS_PAD)) \
6714 goto nla_put_failure; \
6717 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
6718 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
6719 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
6720 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6722 #undef PUT_TIDVAL_U64
6723 if ((tidstats->filled &
6724 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
6725 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
6726 NL80211_TID_STATS_TXQ_STATS))
6727 goto nla_put_failure;
6729 nla_nest_end(msg, tidattr);
6732 nla_nest_end(msg, tidsattr);
6735 nla_nest_end(msg, sinfoattr);
6737 if (sinfo->assoc_req_ies_len &&
6738 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
6739 sinfo->assoc_req_ies))
6740 goto nla_put_failure;
6742 if (sinfo->assoc_resp_ies_len &&
6743 nla_put(msg, NL80211_ATTR_RESP_IE, sinfo->assoc_resp_ies_len,
6744 sinfo->assoc_resp_ies))
6745 goto nla_put_failure;
6747 if (sinfo->mlo_params_valid) {
6748 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
6749 sinfo->assoc_link_id))
6750 goto nla_put_failure;
6752 if (!is_zero_ether_addr(sinfo->mld_addr) &&
6753 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
6755 goto nla_put_failure;
6758 cfg80211_sinfo_release_content(sinfo);
6759 genlmsg_end(msg, hdr);
6763 cfg80211_sinfo_release_content(sinfo);
6764 genlmsg_cancel(msg, hdr);
6768 static int nl80211_dump_station(struct sk_buff *skb,
6769 struct netlink_callback *cb)
6771 struct station_info sinfo;
6772 struct cfg80211_registered_device *rdev;
6773 struct wireless_dev *wdev;
6774 u8 mac_addr[ETH_ALEN];
6775 int sta_idx = cb->args[2];
6778 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
6781 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6782 __acquire(&rdev->wiphy.mtx);
6784 if (!wdev->netdev) {
6789 if (!rdev->ops->dump_station) {
6795 memset(&sinfo, 0, sizeof(sinfo));
6796 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
6803 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
6804 NETLINK_CB(cb->skb).portid,
6805 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6806 rdev, wdev->netdev, mac_addr,
6814 cb->args[2] = sta_idx;
6817 wiphy_unlock(&rdev->wiphy);
6822 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6824 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6825 struct net_device *dev = info->user_ptr[1];
6826 struct station_info sinfo;
6827 struct sk_buff *msg;
6828 u8 *mac_addr = NULL;
6831 memset(&sinfo, 0, sizeof(sinfo));
6833 if (!info->attrs[NL80211_ATTR_MAC])
6836 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6838 if (!rdev->ops->get_station)
6841 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
6845 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6847 cfg80211_sinfo_release_content(&sinfo);
6851 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6852 info->snd_portid, info->snd_seq, 0,
6853 rdev, dev, mac_addr, &sinfo) < 0) {
6858 return genlmsg_reply(msg, info);
6861 int cfg80211_check_station_change(struct wiphy *wiphy,
6862 struct station_parameters *params,
6863 enum cfg80211_station_type statype)
6865 if (params->listen_interval != -1 &&
6866 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6869 if (params->support_p2p_ps != -1 &&
6870 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6874 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6875 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6878 /* When you run into this, adjust the code below for the new flag */
6879 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6882 case CFG80211_STA_MESH_PEER_KERNEL:
6883 case CFG80211_STA_MESH_PEER_USER:
6885 * No ignoring the TDLS flag here -- the userspace mesh
6886 * code doesn't have the bug of including TDLS in the
6889 if (params->sta_flags_mask &
6890 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6891 BIT(NL80211_STA_FLAG_MFP) |
6892 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6895 case CFG80211_STA_TDLS_PEER_SETUP:
6896 case CFG80211_STA_TDLS_PEER_ACTIVE:
6897 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6899 /* ignore since it can't change */
6900 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6903 /* disallow mesh-specific things */
6904 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6906 if (params->local_pm)
6908 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6912 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6913 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6914 /* TDLS can't be set, ... */
6915 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6918 * ... but don't bother the driver with it. This works around
6919 * a hostapd/wpa_supplicant issue -- it always includes the
6920 * TLDS_PEER flag in the mask even for AP mode.
6922 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6925 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6926 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6927 /* reject other things that can't change */
6928 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6930 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6932 if (params->link_sta_params.supported_rates)
6934 if (params->ext_capab || params->link_sta_params.ht_capa ||
6935 params->link_sta_params.vht_capa ||
6936 params->link_sta_params.he_capa ||
6937 params->link_sta_params.eht_capa)
6941 if (statype != CFG80211_STA_AP_CLIENT &&
6942 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6948 case CFG80211_STA_AP_MLME_CLIENT:
6949 /* Use this only for authorizing/unauthorizing a station */
6950 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6953 case CFG80211_STA_AP_CLIENT:
6954 case CFG80211_STA_AP_CLIENT_UNASSOC:
6955 /* accept only the listed bits */
6956 if (params->sta_flags_mask &
6957 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6958 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6959 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6960 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6961 BIT(NL80211_STA_FLAG_WME) |
6962 BIT(NL80211_STA_FLAG_MFP)))
6965 /* but authenticated/associated only if driver handles it */
6966 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6967 params->sta_flags_mask &
6968 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6969 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6972 case CFG80211_STA_IBSS:
6973 case CFG80211_STA_AP_STA:
6974 /* reject any changes other than AUTHORIZED */
6975 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6978 case CFG80211_STA_TDLS_PEER_SETUP:
6979 /* reject any changes other than AUTHORIZED or WME */
6980 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6981 BIT(NL80211_STA_FLAG_WME)))
6983 /* force (at least) rates when authorizing */
6984 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6985 !params->link_sta_params.supported_rates)
6988 case CFG80211_STA_TDLS_PEER_ACTIVE:
6989 /* reject any changes */
6991 case CFG80211_STA_MESH_PEER_KERNEL:
6992 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6995 case CFG80211_STA_MESH_PEER_USER:
6996 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6997 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
7003 * Older kernel versions ignored this attribute entirely, so don't
7004 * reject attempts to update it but mark it as unused instead so the
7005 * driver won't look at the data.
7007 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
7008 statype != CFG80211_STA_TDLS_PEER_SETUP)
7009 params->link_sta_params.opmode_notif_used = false;
7013 EXPORT_SYMBOL(cfg80211_check_station_change);
7016 * Get vlan interface making sure it is running and on the right wiphy.
7018 static struct net_device *get_vlan(struct genl_info *info,
7019 struct cfg80211_registered_device *rdev)
7021 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
7022 struct net_device *v;
7028 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
7030 return ERR_PTR(-ENODEV);
7032 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
7037 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
7038 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7039 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
7044 if (!netif_running(v)) {
7052 return ERR_PTR(ret);
7055 static int nl80211_parse_sta_wme(struct genl_info *info,
7056 struct station_parameters *params)
7058 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
7062 /* parse WME attributes if present */
7063 if (!info->attrs[NL80211_ATTR_STA_WME])
7066 nla = info->attrs[NL80211_ATTR_STA_WME];
7067 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
7068 nl80211_sta_wme_policy,
7073 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
7074 params->uapsd_queues = nla_get_u8(
7075 tb[NL80211_STA_WME_UAPSD_QUEUES]);
7076 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
7079 if (tb[NL80211_STA_WME_MAX_SP])
7080 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
7082 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
7085 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
7090 static int nl80211_parse_sta_channel_info(struct genl_info *info,
7091 struct station_parameters *params)
7093 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
7094 params->supported_channels =
7095 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
7096 params->supported_channels_len =
7097 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
7099 * Need to include at least one (first channel, number of
7100 * channels) tuple for each subband (checked in policy),
7101 * and must have proper tuples for the rest of the data as well.
7103 if (params->supported_channels_len % 2)
7107 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
7108 params->supported_oper_classes =
7109 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
7110 params->supported_oper_classes_len =
7111 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
7116 static int nl80211_set_station_tdls(struct genl_info *info,
7117 struct station_parameters *params)
7120 /* Dummy STA entry gets updated once the peer capabilities are known */
7121 if (info->attrs[NL80211_ATTR_PEER_AID])
7122 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
7123 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
7124 params->link_sta_params.ht_capa =
7125 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
7126 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
7127 params->link_sta_params.vht_capa =
7128 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
7129 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
7130 params->link_sta_params.he_capa =
7131 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7132 params->link_sta_params.he_capa_len =
7133 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7135 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
7136 params->link_sta_params.eht_capa =
7137 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7138 params->link_sta_params.eht_capa_len =
7139 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7141 if (!ieee80211_eht_capa_size_ok((const u8 *)params->link_sta_params.he_capa,
7142 (const u8 *)params->link_sta_params.eht_capa,
7143 params->link_sta_params.eht_capa_len,
7149 err = nl80211_parse_sta_channel_info(info, params);
7153 return nl80211_parse_sta_wme(info, params);
7156 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
7157 struct sta_txpwr *txpwr,
7160 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7163 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
7164 if (!rdev->ops->set_tx_power ||
7165 !wiphy_ext_feature_isset(&rdev->wiphy,
7166 NL80211_EXT_FEATURE_STA_TX_PWR))
7169 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
7170 txpwr->type = nla_get_u8(info->attrs[idx]);
7172 if (txpwr->type == NL80211_TX_POWER_LIMITED) {
7173 idx = NL80211_ATTR_STA_TX_POWER;
7175 if (info->attrs[idx])
7176 txpwr->power = nla_get_s16(info->attrs[idx]);
7189 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
7191 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7192 struct net_device *dev = info->user_ptr[1];
7193 struct station_parameters params;
7197 memset(¶ms, 0, sizeof(params));
7199 if (!rdev->ops->change_station)
7203 * AID and listen_interval properties can be set only for unassociated
7204 * station. Include these parameters here and will check them in
7205 * cfg80211_check_station_change().
7207 if (info->attrs[NL80211_ATTR_STA_AID])
7208 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
7210 if (info->attrs[NL80211_ATTR_VLAN_ID])
7211 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7213 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7214 params.listen_interval =
7215 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
7217 params.listen_interval = -1;
7219 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
7220 params.support_p2p_ps =
7221 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
7223 params.support_p2p_ps = -1;
7225 if (!info->attrs[NL80211_ATTR_MAC])
7228 params.link_sta_params.link_id =
7229 nl80211_link_id_or_invalid(info->attrs);
7231 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7232 /* If MLD_ADDR attribute is set then this is an MLD station
7233 * and the MLD_ADDR attribute holds the MLD address and the
7234 * MAC attribute holds for the LINK address.
7235 * In that case, the link_id is also expected to be valid.
7237 if (params.link_sta_params.link_id < 0)
7240 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7241 params.link_sta_params.mld_mac = mac_addr;
7242 params.link_sta_params.link_mac =
7243 nla_data(info->attrs[NL80211_ATTR_MAC]);
7244 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7247 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7251 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
7252 params.link_sta_params.supported_rates =
7253 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7254 params.link_sta_params.supported_rates_len =
7255 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7258 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7260 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7261 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7264 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7266 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7267 params.ext_capab_len =
7268 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7271 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
7274 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
7275 params.plink_action =
7276 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
7278 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
7279 params.plink_state =
7280 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
7281 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7282 params.peer_aid = nla_get_u16(
7283 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
7284 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
7287 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
7288 params.local_pm = nla_get_u32(
7289 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
7291 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
7292 params.link_sta_params.opmode_notif_used = true;
7293 params.link_sta_params.opmode_notif =
7294 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7297 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
7298 params.link_sta_params.he_6ghz_capa =
7299 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7301 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7302 params.airtime_weight =
7303 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7305 if (params.airtime_weight &&
7306 !wiphy_ext_feature_isset(&rdev->wiphy,
7307 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7310 err = nl80211_parse_sta_txpower_setting(info,
7311 ¶ms.link_sta_params.txpwr,
7312 ¶ms.link_sta_params.txpwr_set);
7316 /* Include parameters for TDLS peer (will check later) */
7317 err = nl80211_set_station_tdls(info, ¶ms);
7321 params.vlan = get_vlan(info, rdev);
7322 if (IS_ERR(params.vlan))
7323 return PTR_ERR(params.vlan);
7325 switch (dev->ieee80211_ptr->iftype) {
7326 case NL80211_IFTYPE_AP:
7327 case NL80211_IFTYPE_AP_VLAN:
7328 case NL80211_IFTYPE_P2P_GO:
7329 case NL80211_IFTYPE_P2P_CLIENT:
7330 case NL80211_IFTYPE_STATION:
7331 case NL80211_IFTYPE_ADHOC:
7332 case NL80211_IFTYPE_MESH_POINT:
7339 /* driver will call cfg80211_check_station_change() */
7340 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
7343 dev_put(params.vlan);
7348 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
7350 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7352 struct net_device *dev = info->user_ptr[1];
7353 struct wireless_dev *wdev = dev->ieee80211_ptr;
7354 struct station_parameters params;
7355 u8 *mac_addr = NULL;
7356 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
7357 BIT(NL80211_STA_FLAG_ASSOCIATED);
7359 memset(¶ms, 0, sizeof(params));
7361 if (!rdev->ops->add_station)
7364 if (!info->attrs[NL80211_ATTR_MAC])
7367 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7370 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
7373 if (!info->attrs[NL80211_ATTR_STA_AID] &&
7374 !info->attrs[NL80211_ATTR_PEER_AID])
7377 params.link_sta_params.link_id =
7378 nl80211_link_id_or_invalid(info->attrs);
7380 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7381 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7382 params.link_sta_params.mld_mac = mac_addr;
7383 params.link_sta_params.link_mac =
7384 nla_data(info->attrs[NL80211_ATTR_MAC]);
7385 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7388 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7391 params.link_sta_params.supported_rates =
7392 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7393 params.link_sta_params.supported_rates_len =
7394 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7395 params.listen_interval =
7396 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
7398 if (info->attrs[NL80211_ATTR_VLAN_ID])
7399 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7401 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
7402 params.support_p2p_ps =
7403 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
7406 * if not specified, assume it's supported for P2P GO interface,
7407 * and is NOT supported for AP interface
7409 params.support_p2p_ps =
7410 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
7413 if (info->attrs[NL80211_ATTR_PEER_AID])
7414 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
7416 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
7418 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7420 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7421 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7424 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7426 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7427 params.ext_capab_len =
7428 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7431 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
7432 params.link_sta_params.ht_capa =
7433 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
7435 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
7436 params.link_sta_params.vht_capa =
7437 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
7439 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
7440 params.link_sta_params.he_capa =
7441 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7442 params.link_sta_params.he_capa_len =
7443 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7445 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
7446 params.link_sta_params.eht_capa =
7447 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7448 params.link_sta_params.eht_capa_len =
7449 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7451 if (!ieee80211_eht_capa_size_ok((const u8 *)params.link_sta_params.he_capa,
7452 (const u8 *)params.link_sta_params.eht_capa,
7453 params.link_sta_params.eht_capa_len,
7459 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
7460 params.link_sta_params.he_6ghz_capa =
7461 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7463 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
7464 params.link_sta_params.opmode_notif_used = true;
7465 params.link_sta_params.opmode_notif =
7466 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7469 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
7470 params.plink_action =
7471 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
7473 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7474 params.airtime_weight =
7475 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7477 if (params.airtime_weight &&
7478 !wiphy_ext_feature_isset(&rdev->wiphy,
7479 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7482 err = nl80211_parse_sta_txpower_setting(info,
7483 ¶ms.link_sta_params.txpwr,
7484 ¶ms.link_sta_params.txpwr_set);
7488 err = nl80211_parse_sta_channel_info(info, ¶ms);
7492 err = nl80211_parse_sta_wme(info, ¶ms);
7496 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
7499 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
7500 * as userspace might just pass through the capabilities from the IEs
7501 * directly, rather than enforcing this restriction and returning an
7502 * error in this case.
7504 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
7505 params.link_sta_params.ht_capa = NULL;
7506 params.link_sta_params.vht_capa = NULL;
7508 /* HE and EHT require WME */
7509 if (params.link_sta_params.he_capa_len ||
7510 params.link_sta_params.he_6ghz_capa ||
7511 params.link_sta_params.eht_capa_len)
7515 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
7516 if (params.link_sta_params.he_6ghz_capa &&
7517 (params.link_sta_params.ht_capa || params.link_sta_params.vht_capa))
7520 /* When you run into this, adjust the code below for the new flag */
7521 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
7523 switch (dev->ieee80211_ptr->iftype) {
7524 case NL80211_IFTYPE_AP:
7525 case NL80211_IFTYPE_AP_VLAN:
7526 case NL80211_IFTYPE_P2P_GO:
7527 /* ignore WME attributes if iface/sta is not capable */
7528 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
7529 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
7530 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7532 /* TDLS peers cannot be added */
7533 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7534 info->attrs[NL80211_ATTR_PEER_AID])
7536 /* but don't bother the driver with it */
7537 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
7539 /* allow authenticated/associated only if driver handles it */
7540 if (!(rdev->wiphy.features &
7541 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
7542 params.sta_flags_mask & auth_assoc)
7545 /* Older userspace, or userspace wanting to be compatible with
7546 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
7547 * and assoc flags in the mask, but assumes the station will be
7548 * added as associated anyway since this was the required driver
7549 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
7551 * In order to not bother drivers with this quirk in the API
7552 * set the flags in both the mask and set for new stations in
7555 if (!(params.sta_flags_mask & auth_assoc)) {
7556 params.sta_flags_mask |= auth_assoc;
7557 params.sta_flags_set |= auth_assoc;
7560 /* must be last in here for error handling */
7561 params.vlan = get_vlan(info, rdev);
7562 if (IS_ERR(params.vlan))
7563 return PTR_ERR(params.vlan);
7565 case NL80211_IFTYPE_MESH_POINT:
7566 /* ignore uAPSD data */
7567 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7569 /* associated is disallowed */
7570 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
7572 /* TDLS peers cannot be added */
7573 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7574 info->attrs[NL80211_ATTR_PEER_AID])
7577 case NL80211_IFTYPE_STATION:
7578 case NL80211_IFTYPE_P2P_CLIENT:
7579 /* ignore uAPSD data */
7580 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7582 /* these are disallowed */
7583 if (params.sta_flags_mask &
7584 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
7585 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
7587 /* Only TDLS peers can be added */
7588 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
7590 /* Can only add if TDLS ... */
7591 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
7593 /* ... with external setup is supported */
7594 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
7597 * Older wpa_supplicant versions always mark the TDLS peer
7598 * as authorized, but it shouldn't yet be.
7600 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
7606 /* be aware of params.vlan when changing code here */
7608 if (wdev->valid_links) {
7609 if (params.link_sta_params.link_id < 0) {
7613 if (!(wdev->valid_links & BIT(params.link_sta_params.link_id))) {
7618 if (params.link_sta_params.link_id >= 0) {
7623 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
7625 dev_put(params.vlan);
7629 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
7631 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7632 struct net_device *dev = info->user_ptr[1];
7633 struct station_del_parameters params;
7635 memset(¶ms, 0, sizeof(params));
7637 if (info->attrs[NL80211_ATTR_MAC])
7638 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
7640 switch (dev->ieee80211_ptr->iftype) {
7641 case NL80211_IFTYPE_AP:
7642 case NL80211_IFTYPE_AP_VLAN:
7643 case NL80211_IFTYPE_MESH_POINT:
7644 case NL80211_IFTYPE_P2P_GO:
7645 /* always accept these */
7647 case NL80211_IFTYPE_ADHOC:
7648 /* conditionally accept */
7649 if (wiphy_ext_feature_isset(&rdev->wiphy,
7650 NL80211_EXT_FEATURE_DEL_IBSS_STA))
7657 if (!rdev->ops->del_station)
7660 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
7662 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
7663 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
7664 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
7667 /* Default to Deauthentication frame */
7668 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
7671 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
7672 params.reason_code =
7673 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7674 if (params.reason_code == 0)
7675 return -EINVAL; /* 0 is reserved */
7677 /* Default to reason code 2 */
7678 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
7681 return rdev_del_station(rdev, dev, ¶ms);
7684 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
7685 int flags, struct net_device *dev,
7686 u8 *dst, u8 *next_hop,
7687 struct mpath_info *pinfo)
7690 struct nlattr *pinfoattr;
7692 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
7696 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7697 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7698 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
7699 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
7700 goto nla_put_failure;
7702 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
7704 goto nla_put_failure;
7705 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
7706 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
7708 goto nla_put_failure;
7709 if (((pinfo->filled & MPATH_INFO_SN) &&
7710 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
7711 ((pinfo->filled & MPATH_INFO_METRIC) &&
7712 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
7714 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
7715 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
7717 ((pinfo->filled & MPATH_INFO_FLAGS) &&
7718 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
7720 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
7721 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
7722 pinfo->discovery_timeout)) ||
7723 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
7724 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
7725 pinfo->discovery_retries)) ||
7726 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
7727 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
7728 pinfo->hop_count)) ||
7729 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
7730 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
7731 pinfo->path_change_count)))
7732 goto nla_put_failure;
7734 nla_nest_end(msg, pinfoattr);
7736 genlmsg_end(msg, hdr);
7740 genlmsg_cancel(msg, hdr);
7744 static int nl80211_dump_mpath(struct sk_buff *skb,
7745 struct netlink_callback *cb)
7747 struct mpath_info pinfo;
7748 struct cfg80211_registered_device *rdev;
7749 struct wireless_dev *wdev;
7751 u8 next_hop[ETH_ALEN];
7752 int path_idx = cb->args[2];
7755 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7758 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7759 __acquire(&rdev->wiphy.mtx);
7761 if (!rdev->ops->dump_mpath) {
7766 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7772 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
7779 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7780 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7781 wdev->netdev, dst, next_hop,
7789 cb->args[2] = path_idx;
7792 wiphy_unlock(&rdev->wiphy);
7796 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
7798 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7800 struct net_device *dev = info->user_ptr[1];
7801 struct mpath_info pinfo;
7802 struct sk_buff *msg;
7804 u8 next_hop[ETH_ALEN];
7806 memset(&pinfo, 0, sizeof(pinfo));
7808 if (!info->attrs[NL80211_ATTR_MAC])
7811 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7813 if (!rdev->ops->get_mpath)
7816 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7819 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
7823 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7827 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7828 dev, dst, next_hop, &pinfo) < 0) {
7833 return genlmsg_reply(msg, info);
7836 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
7838 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7839 struct net_device *dev = info->user_ptr[1];
7841 u8 *next_hop = NULL;
7843 if (!info->attrs[NL80211_ATTR_MAC])
7846 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7849 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7850 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7852 if (!rdev->ops->change_mpath)
7855 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7858 return rdev_change_mpath(rdev, dev, dst, next_hop);
7861 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
7863 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7864 struct net_device *dev = info->user_ptr[1];
7866 u8 *next_hop = NULL;
7868 if (!info->attrs[NL80211_ATTR_MAC])
7871 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7874 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7875 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7877 if (!rdev->ops->add_mpath)
7880 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7883 return rdev_add_mpath(rdev, dev, dst, next_hop);
7886 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7888 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7889 struct net_device *dev = info->user_ptr[1];
7892 if (info->attrs[NL80211_ATTR_MAC])
7893 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7895 if (!rdev->ops->del_mpath)
7898 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7901 return rdev_del_mpath(rdev, dev, dst);
7904 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7906 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7908 struct net_device *dev = info->user_ptr[1];
7909 struct mpath_info pinfo;
7910 struct sk_buff *msg;
7914 memset(&pinfo, 0, sizeof(pinfo));
7916 if (!info->attrs[NL80211_ATTR_MAC])
7919 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7921 if (!rdev->ops->get_mpp)
7924 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7927 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7931 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7935 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7936 dev, dst, mpp, &pinfo) < 0) {
7941 return genlmsg_reply(msg, info);
7944 static int nl80211_dump_mpp(struct sk_buff *skb,
7945 struct netlink_callback *cb)
7947 struct mpath_info pinfo;
7948 struct cfg80211_registered_device *rdev;
7949 struct wireless_dev *wdev;
7952 int path_idx = cb->args[2];
7955 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7958 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7959 __acquire(&rdev->wiphy.mtx);
7961 if (!rdev->ops->dump_mpp) {
7966 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7972 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7979 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7980 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7981 wdev->netdev, dst, mpp,
7989 cb->args[2] = path_idx;
7992 wiphy_unlock(&rdev->wiphy);
7996 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7998 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7999 struct net_device *dev = info->user_ptr[1];
8000 struct bss_parameters params;
8002 memset(¶ms, 0, sizeof(params));
8003 params.link_id = nl80211_link_id_or_invalid(info->attrs);
8004 /* default to not changing parameters */
8005 params.use_cts_prot = -1;
8006 params.use_short_preamble = -1;
8007 params.use_short_slot_time = -1;
8008 params.ap_isolate = -1;
8009 params.ht_opmode = -1;
8010 params.p2p_ctwindow = -1;
8011 params.p2p_opp_ps = -1;
8013 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
8014 params.use_cts_prot =
8015 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
8016 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
8017 params.use_short_preamble =
8018 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
8019 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
8020 params.use_short_slot_time =
8021 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
8022 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
8023 params.basic_rates =
8024 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8025 params.basic_rates_len =
8026 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8028 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
8029 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
8030 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
8032 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
8034 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
8035 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
8037 params.p2p_ctwindow =
8038 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
8039 if (params.p2p_ctwindow != 0 &&
8040 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
8044 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
8047 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
8049 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
8050 params.p2p_opp_ps = tmp;
8051 if (params.p2p_opp_ps &&
8052 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
8056 if (!rdev->ops->change_bss)
8059 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
8060 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
8063 return rdev_change_bss(rdev, dev, ¶ms);
8066 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
8070 enum nl80211_user_reg_hint_type user_reg_hint_type;
8074 * You should only get this when cfg80211 hasn't yet initialized
8075 * completely when built-in to the kernel right between the time
8076 * window between nl80211_init() and regulatory_init(), if that is
8079 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
8080 return -EINPROGRESS;
8082 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
8083 user_reg_hint_type =
8084 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
8086 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
8088 switch (user_reg_hint_type) {
8089 case NL80211_USER_REG_HINT_USER:
8090 case NL80211_USER_REG_HINT_CELL_BASE:
8091 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8094 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8095 return regulatory_hint_user(data, user_reg_hint_type);
8096 case NL80211_USER_REG_HINT_INDOOR:
8097 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
8098 owner_nlportid = info->snd_portid;
8099 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
8105 return regulatory_hint_indoor(is_indoor, owner_nlportid);
8111 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
8113 return reg_reload_regdb();
8116 static int nl80211_get_mesh_config(struct sk_buff *skb,
8117 struct genl_info *info)
8119 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8120 struct net_device *dev = info->user_ptr[1];
8121 struct wireless_dev *wdev = dev->ieee80211_ptr;
8122 struct mesh_config cur_params;
8125 struct nlattr *pinfoattr;
8126 struct sk_buff *msg;
8128 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8131 if (!rdev->ops->get_mesh_config)
8134 /* If not connected, get default parameters */
8135 if (!wdev->u.mesh.id_len)
8136 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
8138 err = rdev_get_mesh_config(rdev, dev, &cur_params);
8143 /* Draw up a netlink message to send back */
8144 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8147 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8148 NL80211_CMD_GET_MESH_CONFIG);
8151 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
8153 goto nla_put_failure;
8154 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
8155 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
8156 cur_params.dot11MeshRetryTimeout) ||
8157 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
8158 cur_params.dot11MeshConfirmTimeout) ||
8159 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
8160 cur_params.dot11MeshHoldingTimeout) ||
8161 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8162 cur_params.dot11MeshMaxPeerLinks) ||
8163 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
8164 cur_params.dot11MeshMaxRetries) ||
8165 nla_put_u8(msg, NL80211_MESHCONF_TTL,
8166 cur_params.dot11MeshTTL) ||
8167 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
8168 cur_params.element_ttl) ||
8169 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8170 cur_params.auto_open_plinks) ||
8171 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
8172 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
8173 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8174 cur_params.dot11MeshHWMPmaxPREQretries) ||
8175 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
8176 cur_params.path_refresh_time) ||
8177 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8178 cur_params.min_discovery_timeout) ||
8179 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
8180 cur_params.dot11MeshHWMPactivePathTimeout) ||
8181 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
8182 cur_params.dot11MeshHWMPpreqMinInterval) ||
8183 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
8184 cur_params.dot11MeshHWMPperrMinInterval) ||
8185 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
8186 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
8187 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
8188 cur_params.dot11MeshHWMPRootMode) ||
8189 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8190 cur_params.dot11MeshHWMPRannInterval) ||
8191 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
8192 cur_params.dot11MeshGateAnnouncementProtocol) ||
8193 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
8194 cur_params.dot11MeshForwarding) ||
8195 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
8196 cur_params.rssi_threshold) ||
8197 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
8198 cur_params.ht_opmode) ||
8199 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8200 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
8201 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
8202 cur_params.dot11MeshHWMProotInterval) ||
8203 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
8204 cur_params.dot11MeshHWMPconfirmationInterval) ||
8205 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
8206 cur_params.power_mode) ||
8207 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8208 cur_params.dot11MeshAwakeWindowDuration) ||
8209 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
8210 cur_params.plink_timeout) ||
8211 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
8212 cur_params.dot11MeshConnectedToMeshGate) ||
8213 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
8214 cur_params.dot11MeshNolearn) ||
8215 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
8216 cur_params.dot11MeshConnectedToAuthServer))
8217 goto nla_put_failure;
8218 nla_nest_end(msg, pinfoattr);
8219 genlmsg_end(msg, hdr);
8220 return genlmsg_reply(msg, info);
8228 static const struct nla_policy
8229 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
8230 [NL80211_MESHCONF_RETRY_TIMEOUT] =
8231 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8232 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
8233 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8234 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
8235 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8236 [NL80211_MESHCONF_MAX_PEER_LINKS] =
8237 NLA_POLICY_RANGE(NLA_U16, 0, 255),
8238 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
8239 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8240 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8241 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
8242 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
8243 NLA_POLICY_RANGE(NLA_U32, 1, 255),
8244 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
8245 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
8246 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
8247 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
8248 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
8249 NLA_POLICY_MIN(NLA_U16, 1),
8250 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
8251 NLA_POLICY_MIN(NLA_U16, 1),
8252 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
8253 NLA_POLICY_MIN(NLA_U16, 1),
8254 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
8255 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
8256 NLA_POLICY_MIN(NLA_U16, 1),
8257 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
8258 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
8259 [NL80211_MESHCONF_RSSI_THRESHOLD] =
8260 NLA_POLICY_RANGE(NLA_S32, -255, 0),
8261 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
8262 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
8263 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
8264 NLA_POLICY_MIN(NLA_U16, 1),
8265 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
8266 NLA_POLICY_MIN(NLA_U16, 1),
8267 [NL80211_MESHCONF_POWER_MODE] =
8268 NLA_POLICY_RANGE(NLA_U32,
8269 NL80211_MESH_POWER_ACTIVE,
8270 NL80211_MESH_POWER_MAX),
8271 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8272 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
8273 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8274 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8275 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8278 static const struct nla_policy
8279 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
8280 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
8281 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
8282 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
8283 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
8284 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
8285 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
8286 [NL80211_MESH_SETUP_IE] =
8287 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
8288 IEEE80211_MAX_DATA_LEN),
8289 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
8292 static int nl80211_parse_mesh_config(struct genl_info *info,
8293 struct mesh_config *cfg,
8296 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
8300 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
8303 cfg->param = fn(tb[attr]); \
8304 mask |= BIT((attr) - 1); \
8308 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
8310 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
8313 /* This makes sure that there aren't more than 32 mesh config
8314 * parameters (otherwise our bitfield scheme would not work.) */
8315 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
8317 /* Fill in the params struct */
8318 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
8319 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
8320 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
8321 NL80211_MESHCONF_CONFIRM_TIMEOUT,
8323 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
8324 NL80211_MESHCONF_HOLDING_TIMEOUT,
8326 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
8327 NL80211_MESHCONF_MAX_PEER_LINKS,
8329 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
8330 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
8331 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
8332 NL80211_MESHCONF_TTL, nla_get_u8);
8333 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
8334 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
8335 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
8336 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8338 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
8340 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
8342 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
8343 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8345 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
8346 NL80211_MESHCONF_PATH_REFRESH_TIME,
8348 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
8349 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
8351 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
8352 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8354 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
8356 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
8358 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
8359 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
8360 cfg->dot11MeshHWMPactivePathTimeout > 65535))
8362 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
8363 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
8365 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
8366 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
8368 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
8369 dot11MeshHWMPnetDiameterTraversalTime, mask,
8370 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
8372 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
8373 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
8374 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
8375 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8377 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
8378 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
8380 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
8381 NL80211_MESHCONF_FORWARDING, nla_get_u8);
8382 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
8383 NL80211_MESHCONF_RSSI_THRESHOLD,
8385 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
8386 NL80211_MESHCONF_CONNECTED_TO_GATE,
8388 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
8389 NL80211_MESHCONF_CONNECTED_TO_AS,
8392 * Check HT operation mode based on
8393 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
8395 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
8396 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
8398 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
8399 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
8400 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
8403 /* NON_HT_STA bit is reserved, but some programs set it */
8404 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
8406 cfg->ht_opmode = ht_opmode;
8407 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
8409 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
8410 dot11MeshHWMPactivePathToRootTimeout, mask,
8411 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8413 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
8414 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
8415 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
8417 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
8418 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
8420 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
8422 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
8424 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
8425 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
8426 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
8427 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
8428 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
8429 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
8430 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
8431 NL80211_MESHCONF_NOLEARN, nla_get_u8);
8437 #undef FILL_IN_MESH_PARAM_IF_SET
8440 static int nl80211_parse_mesh_setup(struct genl_info *info,
8441 struct mesh_setup *setup)
8443 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8444 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
8446 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
8448 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
8451 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
8452 setup->sync_method =
8453 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
8454 IEEE80211_SYNC_METHOD_VENDOR :
8455 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
8457 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
8458 setup->path_sel_proto =
8459 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
8460 IEEE80211_PATH_PROTOCOL_VENDOR :
8461 IEEE80211_PATH_PROTOCOL_HWMP;
8463 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
8464 setup->path_metric =
8465 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
8466 IEEE80211_PATH_METRIC_VENDOR :
8467 IEEE80211_PATH_METRIC_AIRTIME;
8469 if (tb[NL80211_MESH_SETUP_IE]) {
8470 struct nlattr *ieattr =
8471 tb[NL80211_MESH_SETUP_IE];
8472 setup->ie = nla_data(ieattr);
8473 setup->ie_len = nla_len(ieattr);
8475 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
8476 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
8478 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
8479 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
8480 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
8481 if (setup->is_secure)
8482 setup->user_mpm = true;
8484 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
8485 if (!setup->user_mpm)
8488 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
8494 static int nl80211_update_mesh_config(struct sk_buff *skb,
8495 struct genl_info *info)
8497 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8498 struct net_device *dev = info->user_ptr[1];
8499 struct wireless_dev *wdev = dev->ieee80211_ptr;
8500 struct mesh_config cfg = {};
8504 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8507 if (!rdev->ops->update_mesh_config)
8510 err = nl80211_parse_mesh_config(info, &cfg, &mask);
8514 if (!wdev->u.mesh.id_len)
8518 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
8523 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
8524 struct sk_buff *msg)
8526 struct nlattr *nl_reg_rules;
8529 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
8530 (regdom->dfs_region &&
8531 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
8532 goto nla_put_failure;
8534 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
8536 goto nla_put_failure;
8538 for (i = 0; i < regdom->n_reg_rules; i++) {
8539 struct nlattr *nl_reg_rule;
8540 const struct ieee80211_reg_rule *reg_rule;
8541 const struct ieee80211_freq_range *freq_range;
8542 const struct ieee80211_power_rule *power_rule;
8543 unsigned int max_bandwidth_khz;
8545 reg_rule = ®dom->reg_rules[i];
8546 freq_range = ®_rule->freq_range;
8547 power_rule = ®_rule->power_rule;
8549 nl_reg_rule = nla_nest_start_noflag(msg, i);
8551 goto nla_put_failure;
8553 max_bandwidth_khz = freq_range->max_bandwidth_khz;
8554 if (!max_bandwidth_khz)
8555 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
8558 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
8560 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
8561 freq_range->start_freq_khz) ||
8562 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
8563 freq_range->end_freq_khz) ||
8564 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
8565 max_bandwidth_khz) ||
8566 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
8567 power_rule->max_antenna_gain) ||
8568 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
8569 power_rule->max_eirp) ||
8570 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
8571 reg_rule->dfs_cac_ms))
8572 goto nla_put_failure;
8574 if ((reg_rule->flags & NL80211_RRF_PSD) &&
8575 nla_put_s8(msg, NL80211_ATTR_POWER_RULE_PSD,
8577 goto nla_put_failure;
8579 nla_nest_end(msg, nl_reg_rule);
8582 nla_nest_end(msg, nl_reg_rules);
8589 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
8591 const struct ieee80211_regdomain *regdom = NULL;
8592 struct cfg80211_registered_device *rdev;
8593 struct wiphy *wiphy = NULL;
8594 struct sk_buff *msg;
8595 int err = -EMSGSIZE;
8598 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8602 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8603 NL80211_CMD_GET_REG);
8609 if (info->attrs[NL80211_ATTR_WIPHY]) {
8612 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8614 err = PTR_ERR(rdev);
8615 goto nla_put_failure;
8618 wiphy = &rdev->wiphy;
8619 self_managed = wiphy->regulatory_flags &
8620 REGULATORY_WIPHY_SELF_MANAGED;
8624 regdom = get_wiphy_regdom(wiphy);
8626 /* a self-managed-reg device must have a private regdom */
8627 if (WARN_ON(!regdom && self_managed)) {
8629 goto nla_put_failure_rcu;
8633 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8634 goto nla_put_failure_rcu;
8639 if (!wiphy && reg_last_request_cell_base() &&
8640 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8641 NL80211_USER_REG_HINT_CELL_BASE))
8642 goto nla_put_failure_rcu;
8645 regdom = rcu_dereference(cfg80211_regdomain);
8647 if (nl80211_put_regdom(regdom, msg))
8648 goto nla_put_failure_rcu;
8652 genlmsg_end(msg, hdr);
8654 return genlmsg_reply(msg, info);
8656 nla_put_failure_rcu:
8665 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
8666 u32 seq, int flags, struct wiphy *wiphy,
8667 const struct ieee80211_regdomain *regdom)
8669 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8670 NL80211_CMD_GET_REG);
8675 genl_dump_check_consistent(cb, hdr);
8677 if (nl80211_put_regdom(regdom, msg))
8678 goto nla_put_failure;
8680 if (!wiphy && reg_last_request_cell_base() &&
8681 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8682 NL80211_USER_REG_HINT_CELL_BASE))
8683 goto nla_put_failure;
8686 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8687 goto nla_put_failure;
8689 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
8690 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
8691 goto nla_put_failure;
8693 genlmsg_end(msg, hdr);
8697 genlmsg_cancel(msg, hdr);
8701 static int nl80211_get_reg_dump(struct sk_buff *skb,
8702 struct netlink_callback *cb)
8704 const struct ieee80211_regdomain *regdom = NULL;
8705 struct cfg80211_registered_device *rdev;
8706 int err, reg_idx, start = cb->args[2];
8710 if (cfg80211_regdomain && start == 0) {
8711 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8713 rcu_dereference(cfg80211_regdomain));
8718 /* the global regdom is idx 0 */
8720 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
8721 regdom = get_wiphy_regdom(&rdev->wiphy);
8725 if (++reg_idx <= start)
8728 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8729 NLM_F_MULTI, &rdev->wiphy, regdom);
8736 cb->args[2] = reg_idx;
8743 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
8744 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
8745 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
8746 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
8747 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
8748 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
8749 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
8750 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
8751 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
8754 static int parse_reg_rule(struct nlattr *tb[],
8755 struct ieee80211_reg_rule *reg_rule)
8757 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
8758 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
8760 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
8762 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
8764 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
8766 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
8768 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
8771 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
8773 freq_range->start_freq_khz =
8774 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
8775 freq_range->end_freq_khz =
8776 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
8777 freq_range->max_bandwidth_khz =
8778 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
8780 power_rule->max_eirp =
8781 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
8783 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
8784 power_rule->max_antenna_gain =
8785 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
8787 if (tb[NL80211_ATTR_DFS_CAC_TIME])
8788 reg_rule->dfs_cac_ms =
8789 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
8794 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
8796 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
8797 struct nlattr *nl_reg_rule;
8799 int rem_reg_rules, r;
8800 u32 num_rules = 0, rule_idx = 0;
8801 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
8802 struct ieee80211_regdomain *rd;
8804 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8807 if (!info->attrs[NL80211_ATTR_REG_RULES])
8810 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8812 if (info->attrs[NL80211_ATTR_DFS_REGION])
8813 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
8815 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8818 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
8823 if (!reg_is_valid_request(alpha2)) {
8828 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
8834 rd->n_reg_rules = num_rules;
8835 rd->alpha2[0] = alpha2[0];
8836 rd->alpha2[1] = alpha2[1];
8839 * Disable DFS master mode if the DFS region was
8840 * not supported or known on this kernel.
8842 if (reg_supported_dfs_region(dfs_region))
8843 rd->dfs_region = dfs_region;
8845 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8847 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
8848 nl_reg_rule, reg_rule_policy,
8852 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
8858 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
8864 r = set_regdom(rd, REGD_SOURCE_CRDA);
8865 /* set_regdom takes ownership of rd */
8873 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
8875 static int validate_scan_freqs(struct nlattr *freqs)
8877 struct nlattr *attr1, *attr2;
8878 int n_channels = 0, tmp1, tmp2;
8880 nla_for_each_nested(attr1, freqs, tmp1)
8881 if (nla_len(attr1) != sizeof(u32))
8884 nla_for_each_nested(attr1, freqs, tmp1) {
8887 * Some hardware has a limited channel list for
8888 * scanning, and it is pretty much nonsensical
8889 * to scan for a channel twice, so disallow that
8890 * and don't require drivers to check that the
8891 * channel list they get isn't longer than what
8892 * they can scan, as long as they can scan all
8893 * the channels they registered at once.
8895 nla_for_each_nested(attr2, freqs, tmp2)
8896 if (attr1 != attr2 &&
8897 nla_get_u32(attr1) == nla_get_u32(attr2))
8904 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
8906 return b < NUM_NL80211_BANDS && wiphy->bands[b];
8909 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8910 struct cfg80211_bss_selection *bss_select)
8912 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8913 struct nlattr *nest;
8918 /* only process one nested attribute */
8919 nest = nla_data(nla);
8920 if (!nla_ok(nest, nla_len(nest)))
8923 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8924 nest, nl80211_bss_select_policy,
8929 /* only one attribute may be given */
8930 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8938 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8940 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8941 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8943 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8944 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8945 bss_select->param.band_pref =
8946 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8947 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8951 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8952 struct nl80211_bss_select_rssi_adjust *adj_param;
8954 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8955 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8956 bss_select->param.adjust.band = adj_param->band;
8957 bss_select->param.adjust.delta = adj_param->delta;
8958 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8962 /* user-space did not provide behaviour attribute */
8963 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8966 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8972 int nl80211_parse_random_mac(struct nlattr **attrs,
8973 u8 *mac_addr, u8 *mac_addr_mask)
8977 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
8978 eth_zero_addr(mac_addr);
8979 eth_zero_addr(mac_addr_mask);
8981 mac_addr_mask[0] = 0x3;
8986 /* need both or none */
8987 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8990 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8991 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8993 /* don't allow or configure an mcast address */
8994 if (!is_multicast_ether_addr(mac_addr_mask) ||
8995 is_multicast_ether_addr(mac_addr))
8999 * allow users to pass a MAC address that has bits set outside
9000 * of the mask, but don't bother drivers with having to deal
9003 for (i = 0; i < ETH_ALEN; i++)
9004 mac_addr[i] &= mac_addr_mask[i];
9009 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev,
9010 struct ieee80211_channel *chan)
9012 unsigned int link_id;
9015 lockdep_assert_wiphy(wdev->wiphy);
9017 if (!cfg80211_beaconing_iface_active(wdev))
9021 * FIXME: check if we have a free HW resource/link for chan
9023 * This, as well as the FIXME below, requires knowing the link
9024 * capabilities of the hardware.
9027 /* we cannot leave radar channels */
9028 for_each_valid_link(wdev, link_id) {
9029 struct cfg80211_chan_def *chandef;
9031 chandef = wdev_chandef(wdev, link_id);
9032 if (!chandef || !chandef->chan)
9036 * FIXME: don't require all_ok, but rather check only the
9037 * correct HW resource/link onto which 'chan' falls,
9038 * as only that link leaves the channel for doing
9039 * the off-channel operation.
9042 if (chandef->chan->flags & IEEE80211_CHAN_RADAR)
9049 return regulatory_pre_cac_allowed(wdev->wiphy);
9052 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
9053 enum nl80211_ext_feature_index feat)
9055 if (!(flags & flag))
9057 if (wiphy_ext_feature_isset(wiphy, feat))
9063 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
9064 void *request, struct nlattr **attrs,
9067 u8 *mac_addr, *mac_addr_mask;
9069 enum nl80211_feature_flags randomness_flag;
9071 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
9074 if (is_sched_scan) {
9075 struct cfg80211_sched_scan_request *req = request;
9077 randomness_flag = wdev ?
9078 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
9079 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
9080 flags = &req->flags;
9081 mac_addr = req->mac_addr;
9082 mac_addr_mask = req->mac_addr_mask;
9084 struct cfg80211_scan_request *req = request;
9086 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
9087 flags = &req->flags;
9088 mac_addr = req->mac_addr;
9089 mac_addr_mask = req->mac_addr_mask;
9092 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
9094 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
9095 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
9096 !nl80211_check_scan_feat(wiphy, *flags,
9097 NL80211_SCAN_FLAG_LOW_SPAN,
9098 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
9099 !nl80211_check_scan_feat(wiphy, *flags,
9100 NL80211_SCAN_FLAG_LOW_POWER,
9101 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
9102 !nl80211_check_scan_feat(wiphy, *flags,
9103 NL80211_SCAN_FLAG_HIGH_ACCURACY,
9104 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
9105 !nl80211_check_scan_feat(wiphy, *flags,
9106 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
9107 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
9108 !nl80211_check_scan_feat(wiphy, *flags,
9109 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
9110 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
9111 !nl80211_check_scan_feat(wiphy, *flags,
9112 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
9113 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
9114 !nl80211_check_scan_feat(wiphy, *flags,
9115 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
9116 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
9117 !nl80211_check_scan_feat(wiphy, *flags,
9118 NL80211_SCAN_FLAG_RANDOM_SN,
9119 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
9120 !nl80211_check_scan_feat(wiphy, *flags,
9121 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
9122 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
9125 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
9128 if (!(wiphy->features & randomness_flag) ||
9129 (wdev && wdev->connected))
9132 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
9140 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
9142 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9143 struct wireless_dev *wdev = info->user_ptr[1];
9144 struct cfg80211_scan_request *request;
9145 struct nlattr *scan_freqs = NULL;
9146 bool scan_freqs_khz = false;
9147 struct nlattr *attr;
9148 struct wiphy *wiphy;
9149 int err, tmp, n_ssids = 0, n_channels, i;
9150 size_t ie_len, size;
9152 wiphy = &rdev->wiphy;
9154 if (wdev->iftype == NL80211_IFTYPE_NAN)
9157 if (!rdev->ops->scan)
9160 if (rdev->scan_req || rdev->scan_msg)
9163 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
9164 if (!wiphy_ext_feature_isset(wiphy,
9165 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
9167 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
9168 scan_freqs_khz = true;
9169 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
9170 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
9173 n_channels = validate_scan_freqs(scan_freqs);
9177 n_channels = ieee80211_get_num_supported_channels(wiphy);
9180 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
9181 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
9184 if (n_ssids > wiphy->max_scan_ssids)
9187 if (info->attrs[NL80211_ATTR_IE])
9188 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9192 if (ie_len > wiphy->max_scan_ie_len)
9195 size = struct_size(request, channels, n_channels);
9196 size = size_add(size, array_size(sizeof(*request->ssids), n_ssids));
9197 size = size_add(size, ie_len);
9198 request = kzalloc(size, GFP_KERNEL);
9203 request->ssids = (void *)&request->channels[n_channels];
9204 request->n_ssids = n_ssids;
9207 request->ie = (void *)(request->ssids + n_ssids);
9209 request->ie = (void *)(request->channels + n_channels);
9214 /* user specified, bail out if channel not found */
9215 nla_for_each_nested(attr, scan_freqs, tmp) {
9216 struct ieee80211_channel *chan;
9217 int freq = nla_get_u32(attr);
9219 if (!scan_freqs_khz)
9220 freq = MHZ_TO_KHZ(freq);
9222 chan = ieee80211_get_channel_khz(wiphy, freq);
9228 /* ignore disabled channels */
9229 if (chan->flags & IEEE80211_CHAN_DISABLED)
9232 request->channels[i] = chan;
9236 enum nl80211_band band;
9239 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9242 if (!wiphy->bands[band])
9244 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9245 struct ieee80211_channel *chan;
9247 chan = &wiphy->bands[band]->channels[j];
9249 if (chan->flags & IEEE80211_CHAN_DISABLED)
9252 request->channels[i] = chan;
9263 request->n_channels = i;
9265 for (i = 0; i < request->n_channels; i++) {
9266 struct ieee80211_channel *chan = request->channels[i];
9268 /* if we can go off-channel to the target channel we're good */
9269 if (cfg80211_off_channel_oper_allowed(wdev, chan))
9272 if (!cfg80211_wdev_on_sub_chan(wdev, chan, true)) {
9280 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
9281 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
9285 request->ssids[i].ssid_len = nla_len(attr);
9286 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
9291 if (info->attrs[NL80211_ATTR_IE]) {
9292 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9293 memcpy((void *)request->ie,
9294 nla_data(info->attrs[NL80211_ATTR_IE]),
9298 for (i = 0; i < NUM_NL80211_BANDS; i++)
9299 if (wiphy->bands[i])
9301 (1 << wiphy->bands[i]->n_bitrates) - 1;
9303 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
9304 nla_for_each_nested(attr,
9305 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
9307 enum nl80211_band band = nla_type(attr);
9309 if (band < 0 || band >= NUM_NL80211_BANDS) {
9314 if (!wiphy->bands[band])
9317 err = ieee80211_get_ratemask(wiphy->bands[band],
9320 &request->rates[band]);
9326 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
9328 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
9329 request->duration_mandatory =
9330 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
9333 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
9339 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
9341 /* Initial implementation used NL80211_ATTR_MAC to set the specific
9342 * BSSID to scan for. This was problematic because that same attribute
9343 * was already used for another purpose (local random MAC address). The
9344 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
9345 * compatibility with older userspace components, also use the
9346 * NL80211_ATTR_MAC value here if it can be determined to be used for
9347 * the specific BSSID use case instead of the random MAC address
9348 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
9350 if (info->attrs[NL80211_ATTR_BSSID])
9351 memcpy(request->bssid,
9352 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
9353 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
9354 info->attrs[NL80211_ATTR_MAC])
9355 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
9358 eth_broadcast_addr(request->bssid);
9360 request->tsf_report_link_id = nl80211_link_id_or_invalid(info->attrs);
9361 request->wdev = wdev;
9362 request->wiphy = &rdev->wiphy;
9363 request->scan_start = jiffies;
9365 rdev->scan_req = request;
9366 err = cfg80211_scan(rdev);
9371 nl80211_send_scan_start(rdev, wdev);
9372 dev_hold(wdev->netdev);
9377 rdev->scan_req = NULL;
9383 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
9385 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9386 struct wireless_dev *wdev = info->user_ptr[1];
9388 if (!rdev->ops->abort_scan)
9394 if (!rdev->scan_req)
9397 rdev_abort_scan(rdev, wdev);
9402 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
9403 struct cfg80211_sched_scan_request *request,
9404 struct nlattr **attrs)
9406 int tmp, err, i = 0;
9407 struct nlattr *attr;
9409 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9413 * If scan plans are not specified,
9414 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
9415 * case one scan plan will be set with the specified scan
9416 * interval and infinite number of iterations.
9418 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
9422 request->scan_plans[0].interval =
9423 DIV_ROUND_UP(interval, MSEC_PER_SEC);
9424 if (!request->scan_plans[0].interval)
9427 if (request->scan_plans[0].interval >
9428 wiphy->max_sched_scan_plan_interval)
9429 request->scan_plans[0].interval =
9430 wiphy->max_sched_scan_plan_interval;
9435 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
9436 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
9438 if (WARN_ON(i >= n_plans))
9441 err = nla_parse_nested_deprecated(plan,
9442 NL80211_SCHED_SCAN_PLAN_MAX,
9443 attr, nl80211_plan_policy,
9448 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
9451 request->scan_plans[i].interval =
9452 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
9453 if (!request->scan_plans[i].interval ||
9454 request->scan_plans[i].interval >
9455 wiphy->max_sched_scan_plan_interval)
9458 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
9459 request->scan_plans[i].iterations =
9460 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
9461 if (!request->scan_plans[i].iterations ||
9462 (request->scan_plans[i].iterations >
9463 wiphy->max_sched_scan_plan_iterations))
9465 } else if (i < n_plans - 1) {
9467 * All scan plans but the last one must specify
9468 * a finite number of iterations
9477 * The last scan plan must not specify the number of
9478 * iterations, it is supposed to run infinitely
9480 if (request->scan_plans[n_plans - 1].iterations)
9487 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
9488 struct cfg80211_match_set *match_sets,
9489 struct nlattr *tb_band_rssi,
9492 struct nlattr *attr;
9493 int i, tmp, ret = 0;
9495 if (!wiphy_ext_feature_isset(wiphy,
9496 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
9500 for (i = 0; i < NUM_NL80211_BANDS; i++)
9501 match_sets->per_band_rssi_thold[i] =
9502 NL80211_SCAN_RSSI_THOLD_OFF;
9506 for (i = 0; i < NUM_NL80211_BANDS; i++)
9507 match_sets->per_band_rssi_thold[i] = rssi_thold;
9509 nla_for_each_nested(attr, tb_band_rssi, tmp) {
9510 enum nl80211_band band = nla_type(attr);
9512 if (band < 0 || band >= NUM_NL80211_BANDS)
9515 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
9521 static struct cfg80211_sched_scan_request *
9522 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
9523 struct nlattr **attrs, int max_match_sets)
9525 struct cfg80211_sched_scan_request *request;
9526 struct nlattr *attr;
9527 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
9528 enum nl80211_band band;
9529 size_t ie_len, size;
9530 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
9531 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
9533 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
9534 n_channels = validate_scan_freqs(
9535 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
9537 return ERR_PTR(-EINVAL);
9539 n_channels = ieee80211_get_num_supported_channels(wiphy);
9542 if (attrs[NL80211_ATTR_SCAN_SSIDS])
9543 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
9547 if (n_ssids > wiphy->max_sched_scan_ssids)
9548 return ERR_PTR(-EINVAL);
9551 * First, count the number of 'real' matchsets. Due to an issue with
9552 * the old implementation, matchsets containing only the RSSI attribute
9553 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
9554 * RSSI for all matchsets, rather than their own matchset for reporting
9555 * all APs with a strong RSSI. This is needed to be compatible with
9556 * older userspace that treated a matchset with only the RSSI as the
9557 * global RSSI for all other matchsets - if there are other matchsets.
9559 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
9560 nla_for_each_nested(attr,
9561 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
9563 struct nlattr *rssi;
9565 err = nla_parse_nested_deprecated(tb,
9566 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9568 nl80211_match_policy,
9571 return ERR_PTR(err);
9573 /* SSID and BSSID are mutually exclusive */
9574 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
9575 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
9576 return ERR_PTR(-EINVAL);
9578 /* add other standalone attributes here */
9579 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
9580 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
9584 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9586 default_match_rssi = nla_get_s32(rssi);
9590 /* However, if there's no other matchset, add the RSSI one */
9591 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
9594 if (n_match_sets > max_match_sets)
9595 return ERR_PTR(-EINVAL);
9597 if (attrs[NL80211_ATTR_IE])
9598 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
9602 if (ie_len > wiphy->max_sched_scan_ie_len)
9603 return ERR_PTR(-EINVAL);
9605 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9607 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
9608 * each scan plan already specifies its own interval
9610 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9611 return ERR_PTR(-EINVAL);
9613 nla_for_each_nested(attr,
9614 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
9618 * The scan interval attribute is kept for backward
9619 * compatibility. If no scan plans are specified and sched scan
9620 * interval is specified, one scan plan will be set with this
9621 * scan interval and infinite number of iterations.
9623 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9624 return ERR_PTR(-EINVAL);
9629 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
9630 return ERR_PTR(-EINVAL);
9632 if (!wiphy_ext_feature_isset(
9633 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
9634 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
9635 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
9636 return ERR_PTR(-EINVAL);
9638 size = struct_size(request, channels, n_channels);
9639 size = size_add(size, array_size(sizeof(*request->ssids), n_ssids));
9640 size = size_add(size, array_size(sizeof(*request->match_sets),
9642 size = size_add(size, array_size(sizeof(*request->scan_plans),
9644 size = size_add(size, ie_len);
9645 request = kzalloc(size, GFP_KERNEL);
9647 return ERR_PTR(-ENOMEM);
9650 request->ssids = (void *)&request->channels[n_channels];
9651 request->n_ssids = n_ssids;
9654 request->ie = (void *)(request->ssids + n_ssids);
9656 request->ie = (void *)(request->channels + n_channels);
9661 request->match_sets = (void *)(request->ie + ie_len);
9663 request->match_sets =
9664 (void *)(request->ssids + n_ssids);
9666 request->match_sets =
9667 (void *)(request->channels + n_channels);
9669 request->n_match_sets = n_match_sets;
9672 request->scan_plans = (void *)(request->match_sets +
9674 else if (request->ie)
9675 request->scan_plans = (void *)(request->ie + ie_len);
9677 request->scan_plans = (void *)(request->ssids + n_ssids);
9679 request->scan_plans = (void *)(request->channels + n_channels);
9681 request->n_scan_plans = n_plans;
9684 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
9685 /* user specified, bail out if channel not found */
9686 nla_for_each_nested(attr,
9687 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
9689 struct ieee80211_channel *chan;
9691 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
9698 /* ignore disabled channels */
9699 if (chan->flags & IEEE80211_CHAN_DISABLED)
9702 request->channels[i] = chan;
9707 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9710 if (!wiphy->bands[band])
9712 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9713 struct ieee80211_channel *chan;
9715 chan = &wiphy->bands[band]->channels[j];
9717 if (chan->flags & IEEE80211_CHAN_DISABLED)
9720 request->channels[i] = chan;
9731 request->n_channels = i;
9735 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
9737 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
9741 request->ssids[i].ssid_len = nla_len(attr);
9742 memcpy(request->ssids[i].ssid, nla_data(attr),
9749 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
9750 nla_for_each_nested(attr,
9751 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
9753 struct nlattr *ssid, *bssid, *rssi;
9755 err = nla_parse_nested_deprecated(tb,
9756 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9758 nl80211_match_policy,
9762 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
9763 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
9765 if (!ssid && !bssid) {
9770 if (WARN_ON(i >= n_match_sets)) {
9771 /* this indicates a programming error,
9772 * the loop above should have verified
9780 memcpy(request->match_sets[i].ssid.ssid,
9781 nla_data(ssid), nla_len(ssid));
9782 request->match_sets[i].ssid.ssid_len =
9786 memcpy(request->match_sets[i].bssid,
9787 nla_data(bssid), ETH_ALEN);
9789 /* special attribute - old implementation w/a */
9790 request->match_sets[i].rssi_thold = default_match_rssi;
9791 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9793 request->match_sets[i].rssi_thold =
9796 /* Parse per band RSSI attribute */
9797 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
9798 &request->match_sets[i],
9799 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
9800 request->match_sets[i].rssi_thold);
9807 /* there was no other matchset, so the RSSI one is alone */
9808 if (i == 0 && n_match_sets)
9809 request->match_sets[0].rssi_thold = default_match_rssi;
9811 request->min_rssi_thold = INT_MAX;
9812 for (i = 0; i < n_match_sets; i++)
9813 request->min_rssi_thold =
9814 min(request->match_sets[i].rssi_thold,
9815 request->min_rssi_thold);
9817 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
9821 request->ie_len = ie_len;
9822 memcpy((void *)request->ie,
9823 nla_data(attrs[NL80211_ATTR_IE]),
9827 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
9831 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
9833 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
9835 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
9836 request->relative_rssi = nla_get_s8(
9837 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
9838 request->relative_rssi_set = true;
9841 if (request->relative_rssi_set &&
9842 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
9843 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
9845 rssi_adjust = nla_data(
9846 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
9847 request->rssi_adjust.band = rssi_adjust->band;
9848 request->rssi_adjust.delta = rssi_adjust->delta;
9849 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
9855 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
9859 request->scan_start = jiffies;
9865 return ERR_PTR(err);
9868 static int nl80211_start_sched_scan(struct sk_buff *skb,
9869 struct genl_info *info)
9871 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9872 struct net_device *dev = info->user_ptr[1];
9873 struct wireless_dev *wdev = dev->ieee80211_ptr;
9874 struct cfg80211_sched_scan_request *sched_scan_req;
9878 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
9881 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
9882 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
9886 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
9888 rdev->wiphy.max_match_sets);
9890 err = PTR_ERR_OR_ZERO(sched_scan_req);
9894 /* leave request id zero for legacy request
9895 * or if driver does not support multi-scheduled scan
9897 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
9898 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
9900 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
9904 sched_scan_req->dev = dev;
9905 sched_scan_req->wiphy = &rdev->wiphy;
9907 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9908 sched_scan_req->owner_nlportid = info->snd_portid;
9910 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
9912 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
9916 kfree(sched_scan_req);
9921 static int nl80211_stop_sched_scan(struct sk_buff *skb,
9922 struct genl_info *info)
9924 struct cfg80211_sched_scan_request *req;
9925 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9928 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
9931 if (info->attrs[NL80211_ATTR_COOKIE]) {
9932 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9933 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9936 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9937 struct cfg80211_sched_scan_request,
9939 if (!req || req->reqid ||
9940 (req->owner_nlportid &&
9941 req->owner_nlportid != info->snd_portid))
9944 return cfg80211_stop_sched_scan_req(rdev, req, false);
9947 static int nl80211_start_radar_detection(struct sk_buff *skb,
9948 struct genl_info *info)
9950 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9951 struct net_device *dev = info->user_ptr[1];
9952 struct wireless_dev *wdev = dev->ieee80211_ptr;
9953 struct wiphy *wiphy = wdev->wiphy;
9954 struct cfg80211_chan_def chandef;
9955 enum nl80211_dfs_regions dfs_region;
9956 unsigned int cac_time_ms;
9959 flush_delayed_work(&rdev->dfs_update_channels_wk);
9963 dfs_region = reg_get_dfs_region(wiphy);
9964 if (dfs_region == NL80211_DFS_UNSET)
9967 err = nl80211_parse_chandef(rdev, info, &chandef);
9971 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9980 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) {
9985 if (nla_get_flag(info->attrs[NL80211_ATTR_RADAR_BACKGROUND])) {
9986 err = cfg80211_start_background_radar_detection(rdev, wdev,
9991 if (netif_carrier_ok(dev)) {
9996 if (wdev->cac_started) {
10001 /* CAC start is offloaded to HW and can't be started manually */
10002 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) {
10007 if (!rdev->ops->start_radar_detection) {
10012 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
10013 if (WARN_ON(!cac_time_ms))
10014 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
10016 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
10018 wdev->links[0].ap.chandef = chandef;
10019 wdev->cac_started = true;
10020 wdev->cac_start_time = jiffies;
10021 wdev->cac_time_ms = cac_time_ms;
10024 wiphy_unlock(wiphy);
10029 static int nl80211_notify_radar_detection(struct sk_buff *skb,
10030 struct genl_info *info)
10032 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10033 struct net_device *dev = info->user_ptr[1];
10034 struct wireless_dev *wdev = dev->ieee80211_ptr;
10035 struct wiphy *wiphy = wdev->wiphy;
10036 struct cfg80211_chan_def chandef;
10037 enum nl80211_dfs_regions dfs_region;
10040 dfs_region = reg_get_dfs_region(wiphy);
10041 if (dfs_region == NL80211_DFS_UNSET) {
10042 GENL_SET_ERR_MSG(info,
10043 "DFS Region is not set. Unexpected Radar indication");
10047 err = nl80211_parse_chandef(rdev, info, &chandef);
10049 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
10053 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
10055 GENL_SET_ERR_MSG(info, "chandef is invalid");
10060 GENL_SET_ERR_MSG(info,
10061 "Unexpected Radar indication for chandef/iftype");
10065 /* Do not process this notification if radar is already detected
10066 * by kernel on this channel, and return success.
10068 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
10071 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
10073 cfg80211_sched_dfs_chan_update(rdev);
10075 rdev->radar_chandef = chandef;
10077 /* Propagate this notification to other radios as well */
10078 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
10083 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
10085 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10086 unsigned int link_id = nl80211_link_id(info->attrs);
10087 struct net_device *dev = info->user_ptr[1];
10088 struct wireless_dev *wdev = dev->ieee80211_ptr;
10089 struct cfg80211_csa_settings params;
10090 struct nlattr **csa_attrs = NULL;
10092 bool need_new_beacon = false;
10093 bool need_handle_dfs_flag = true;
10097 if (!rdev->ops->channel_switch ||
10098 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
10099 return -EOPNOTSUPP;
10101 switch (dev->ieee80211_ptr->iftype) {
10102 case NL80211_IFTYPE_AP:
10103 case NL80211_IFTYPE_P2P_GO:
10104 need_new_beacon = true;
10105 /* For all modes except AP the handle_dfs flag needs to be
10106 * supplied to tell the kernel that userspace will handle radar
10107 * events when they happen. Otherwise a switch to a channel
10108 * requiring DFS will be rejected.
10110 need_handle_dfs_flag = false;
10112 /* useless if AP is not running */
10113 if (!wdev->links[link_id].ap.beacon_interval)
10116 case NL80211_IFTYPE_ADHOC:
10117 if (!wdev->u.ibss.ssid_len)
10120 case NL80211_IFTYPE_MESH_POINT:
10121 if (!wdev->u.mesh.id_len)
10125 return -EOPNOTSUPP;
10128 memset(¶ms, 0, sizeof(params));
10129 params.beacon_csa.ftm_responder = -1;
10131 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10132 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
10135 /* only important for AP, IBSS and mesh create IEs internally */
10136 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
10139 /* Even though the attribute is u32, the specification says
10140 * u8, so let's make sure we don't overflow.
10142 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
10143 if (cs_count > 255)
10146 params.count = cs_count;
10148 if (!need_new_beacon)
10151 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after,
10156 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
10163 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
10164 info->attrs[NL80211_ATTR_CSA_IES],
10165 nl80211_policy, info->extack);
10169 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa,
10174 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
10179 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
10180 if (!len || (len % sizeof(u16))) {
10185 params.n_counter_offsets_beacon = len / sizeof(u16);
10186 if (rdev->wiphy.max_num_csa_counters &&
10187 (params.n_counter_offsets_beacon >
10188 rdev->wiphy.max_num_csa_counters)) {
10193 params.counter_offsets_beacon =
10194 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
10196 /* sanity checks - counters should fit and be the same */
10197 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
10198 u16 offset = params.counter_offsets_beacon[i];
10200 if (offset >= params.beacon_csa.tail_len) {
10205 if (params.beacon_csa.tail[offset] != params.count) {
10211 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
10212 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
10213 if (!len || (len % sizeof(u16))) {
10218 params.n_counter_offsets_presp = len / sizeof(u16);
10219 if (rdev->wiphy.max_num_csa_counters &&
10220 (params.n_counter_offsets_presp >
10221 rdev->wiphy.max_num_csa_counters)) {
10226 params.counter_offsets_presp =
10227 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
10229 /* sanity checks - counters should fit and be the same */
10230 for (i = 0; i < params.n_counter_offsets_presp; i++) {
10231 u16 offset = params.counter_offsets_presp[i];
10233 if (offset >= params.beacon_csa.probe_resp_len) {
10238 if (params.beacon_csa.probe_resp[offset] !=
10247 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
10251 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
10257 err = cfg80211_chandef_dfs_required(wdev->wiphy,
10264 params.radar_required = true;
10265 if (need_handle_dfs_flag &&
10266 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
10272 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
10273 params.block_tx = true;
10275 if (info->attrs[NL80211_ATTR_PUNCT_BITMAP]) {
10276 err = nl80211_parse_punct_bitmap(rdev, info,
10278 ¶ms.punct_bitmap);
10283 err = rdev_channel_switch(rdev, dev, ¶ms);
10286 kfree(params.beacon_after.mbssid_ies);
10287 kfree(params.beacon_csa.mbssid_ies);
10288 kfree(params.beacon_after.rnr_ies);
10289 kfree(params.beacon_csa.rnr_ies);
10294 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
10295 u32 seq, int flags,
10296 struct cfg80211_registered_device *rdev,
10297 struct wireless_dev *wdev,
10298 struct cfg80211_internal_bss *intbss)
10300 struct cfg80211_bss *res = &intbss->pub;
10301 const struct cfg80211_bss_ies *ies;
10302 unsigned int link_id;
10304 struct nlattr *bss;
10306 lockdep_assert_wiphy(wdev->wiphy);
10308 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
10309 NL80211_CMD_NEW_SCAN_RESULTS);
10313 genl_dump_check_consistent(cb, hdr);
10315 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
10316 goto nla_put_failure;
10317 if (wdev->netdev &&
10318 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
10319 goto nla_put_failure;
10320 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
10322 goto nla_put_failure;
10324 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
10326 goto nla_put_failure;
10327 if ((!is_zero_ether_addr(res->bssid) &&
10328 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
10329 goto nla_put_failure;
10332 /* indicate whether we have probe response data or not */
10333 if (rcu_access_pointer(res->proberesp_ies) &&
10334 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
10335 goto fail_unlock_rcu;
10337 /* this pointer prefers to be pointed to probe response data
10338 * but is always valid
10340 ies = rcu_dereference(res->ies);
10342 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
10344 goto fail_unlock_rcu;
10345 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
10346 ies->len, ies->data))
10347 goto fail_unlock_rcu;
10350 /* and this pointer is always (unless driver didn't know) beacon data */
10351 ies = rcu_dereference(res->beacon_ies);
10352 if (ies && ies->from_beacon) {
10353 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
10355 goto fail_unlock_rcu;
10356 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
10357 ies->len, ies->data))
10358 goto fail_unlock_rcu;
10362 if (res->beacon_interval &&
10363 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
10364 goto nla_put_failure;
10365 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
10366 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
10367 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
10368 res->channel->freq_offset) ||
10369 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
10370 jiffies_to_msecs(jiffies - intbss->ts)))
10371 goto nla_put_failure;
10373 if (intbss->parent_tsf &&
10374 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
10375 intbss->parent_tsf, NL80211_BSS_PAD) ||
10376 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
10377 intbss->parent_bssid)))
10378 goto nla_put_failure;
10380 if (intbss->ts_boottime &&
10381 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
10382 intbss->ts_boottime, NL80211_BSS_PAD))
10383 goto nla_put_failure;
10385 if (!nl80211_put_signal(msg, intbss->pub.chains,
10386 intbss->pub.chain_signal,
10387 NL80211_BSS_CHAIN_SIGNAL))
10388 goto nla_put_failure;
10390 switch (rdev->wiphy.signal_type) {
10391 case CFG80211_SIGNAL_TYPE_MBM:
10392 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
10393 goto nla_put_failure;
10395 case CFG80211_SIGNAL_TYPE_UNSPEC:
10396 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
10397 goto nla_put_failure;
10403 switch (wdev->iftype) {
10404 case NL80211_IFTYPE_P2P_CLIENT:
10405 case NL80211_IFTYPE_STATION:
10406 for_each_valid_link(wdev, link_id) {
10407 if (intbss == wdev->links[link_id].client.current_bss &&
10408 (nla_put_u32(msg, NL80211_BSS_STATUS,
10409 NL80211_BSS_STATUS_ASSOCIATED) ||
10410 (wdev->valid_links &&
10411 (nla_put_u8(msg, NL80211_BSS_MLO_LINK_ID,
10413 nla_put(msg, NL80211_BSS_MLD_ADDR, ETH_ALEN,
10414 wdev->u.client.connected_addr)))))
10415 goto nla_put_failure;
10418 case NL80211_IFTYPE_ADHOC:
10419 if (intbss == wdev->u.ibss.current_bss &&
10420 nla_put_u32(msg, NL80211_BSS_STATUS,
10421 NL80211_BSS_STATUS_IBSS_JOINED))
10422 goto nla_put_failure;
10428 if (nla_put_u32(msg, NL80211_BSS_USE_FOR, res->use_for))
10429 goto nla_put_failure;
10431 if (res->cannot_use_reasons &&
10432 nla_put_u64_64bit(msg, NL80211_BSS_CANNOT_USE_REASONS,
10433 res->cannot_use_reasons,
10435 goto nla_put_failure;
10437 nla_nest_end(msg, bss);
10439 genlmsg_end(msg, hdr);
10445 genlmsg_cancel(msg, hdr);
10449 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
10451 struct cfg80211_registered_device *rdev;
10452 struct cfg80211_internal_bss *scan;
10453 struct wireless_dev *wdev;
10454 struct nlattr **attrbuf;
10455 int start = cb->args[2], idx = 0;
10456 bool dump_include_use_data;
10459 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
10463 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
10468 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10469 __acquire(&rdev->wiphy.mtx);
10471 dump_include_use_data =
10472 attrbuf[NL80211_ATTR_BSS_DUMP_INCLUDE_USE_DATA];
10475 spin_lock_bh(&rdev->bss_lock);
10478 * dump_scan will be called multiple times to break up the scan results
10479 * into multiple messages. It is unlikely that any more bss-es will be
10480 * expired after the first call, so only call only call this on the
10481 * first dump_scan invocation.
10484 cfg80211_bss_expire(rdev);
10486 cb->seq = rdev->bss_generation;
10488 list_for_each_entry(scan, &rdev->bss_list, list) {
10489 if (++idx <= start)
10491 if (!dump_include_use_data &&
10492 !(scan->pub.use_for & NL80211_BSS_USE_FOR_NORMAL))
10494 if (nl80211_send_bss(skb, cb,
10495 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10496 rdev, wdev, scan) < 0) {
10502 spin_unlock_bh(&rdev->bss_lock);
10505 wiphy_unlock(&rdev->wiphy);
10510 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
10511 int flags, struct net_device *dev,
10512 bool allow_radio_stats,
10513 struct survey_info *survey)
10516 struct nlattr *infoattr;
10518 /* skip radio stats if userspace didn't request them */
10519 if (!survey->channel && !allow_radio_stats)
10522 hdr = nl80211hdr_put(msg, portid, seq, flags,
10523 NL80211_CMD_NEW_SURVEY_RESULTS);
10527 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
10528 goto nla_put_failure;
10530 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
10532 goto nla_put_failure;
10534 if (survey->channel &&
10535 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
10536 survey->channel->center_freq))
10537 goto nla_put_failure;
10539 if (survey->channel && survey->channel->freq_offset &&
10540 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
10541 survey->channel->freq_offset))
10542 goto nla_put_failure;
10544 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
10545 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
10546 goto nla_put_failure;
10547 if ((survey->filled & SURVEY_INFO_IN_USE) &&
10548 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
10549 goto nla_put_failure;
10550 if ((survey->filled & SURVEY_INFO_TIME) &&
10551 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
10552 survey->time, NL80211_SURVEY_INFO_PAD))
10553 goto nla_put_failure;
10554 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
10555 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
10556 survey->time_busy, NL80211_SURVEY_INFO_PAD))
10557 goto nla_put_failure;
10558 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
10559 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
10560 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
10561 goto nla_put_failure;
10562 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
10563 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
10564 survey->time_rx, NL80211_SURVEY_INFO_PAD))
10565 goto nla_put_failure;
10566 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
10567 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
10568 survey->time_tx, NL80211_SURVEY_INFO_PAD))
10569 goto nla_put_failure;
10570 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
10571 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
10572 survey->time_scan, NL80211_SURVEY_INFO_PAD))
10573 goto nla_put_failure;
10574 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
10575 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
10576 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
10577 goto nla_put_failure;
10579 nla_nest_end(msg, infoattr);
10581 genlmsg_end(msg, hdr);
10585 genlmsg_cancel(msg, hdr);
10589 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
10591 struct nlattr **attrbuf;
10592 struct survey_info survey;
10593 struct cfg80211_registered_device *rdev;
10594 struct wireless_dev *wdev;
10595 int survey_idx = cb->args[2];
10599 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
10603 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
10608 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10609 __acquire(&rdev->wiphy.mtx);
10611 /* prepare_wdev_dump parsed the attributes */
10612 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
10614 if (!wdev->netdev) {
10619 if (!rdev->ops->dump_survey) {
10625 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
10626 if (res == -ENOENT)
10631 /* don't send disabled channels, but do send non-channel data */
10632 if (survey.channel &&
10633 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
10638 if (nl80211_send_survey(skb,
10639 NETLINK_CB(cb->skb).portid,
10640 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10641 wdev->netdev, radio_stats, &survey) < 0)
10647 cb->args[2] = survey_idx;
10651 wiphy_unlock(&rdev->wiphy);
10655 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
10657 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
10658 NL80211_WPA_VERSION_2 |
10659 NL80211_WPA_VERSION_3));
10662 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
10664 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10665 struct net_device *dev = info->user_ptr[1];
10666 struct ieee80211_channel *chan;
10667 const u8 *bssid, *ssid;
10669 enum nl80211_auth_type auth_type;
10670 struct key_parse key;
10671 bool local_state_change;
10672 struct cfg80211_auth_request req = {};
10675 if (!info->attrs[NL80211_ATTR_MAC])
10678 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
10681 if (!info->attrs[NL80211_ATTR_SSID])
10684 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10687 err = nl80211_parse_key(info, &key);
10691 if (key.idx >= 0) {
10692 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
10694 if (!key.p.key || !key.p.key_len)
10696 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
10697 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
10698 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
10699 key.p.key_len != WLAN_KEY_LEN_WEP104))
10708 if (key.idx >= 0) {
10712 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
10713 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
10722 if (!rdev->ops->auth)
10723 return -EOPNOTSUPP;
10725 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10726 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10727 return -EOPNOTSUPP;
10729 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10730 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10731 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10733 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10735 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10739 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10740 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10742 if (info->attrs[NL80211_ATTR_IE]) {
10743 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10744 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10747 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10748 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
10751 if ((auth_type == NL80211_AUTHTYPE_SAE ||
10752 auth_type == NL80211_AUTHTYPE_FILS_SK ||
10753 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
10754 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
10755 !info->attrs[NL80211_ATTR_AUTH_DATA])
10758 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
10759 if (auth_type != NL80211_AUTHTYPE_SAE &&
10760 auth_type != NL80211_AUTHTYPE_FILS_SK &&
10761 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
10762 auth_type != NL80211_AUTHTYPE_FILS_PK)
10764 req.auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
10765 req.auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
10768 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10771 * Since we no longer track auth state, ignore
10772 * requests to only change local state.
10774 if (local_state_change)
10777 req.auth_type = auth_type;
10778 req.key = key.p.key;
10779 req.key_len = key.p.key_len;
10780 req.key_idx = key.idx;
10781 req.link_id = nl80211_link_id_or_invalid(info->attrs);
10782 if (req.link_id >= 0) {
10783 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
10785 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
10787 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
10788 if (!is_valid_ether_addr(req.ap_mld_addr))
10792 req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
10793 IEEE80211_BSS_TYPE_ESS,
10794 IEEE80211_PRIVACY_ANY);
10798 err = cfg80211_mlme_auth(rdev, dev, &req);
10800 cfg80211_put_bss(&rdev->wiphy, req.bss);
10805 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
10806 struct genl_info *info)
10808 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10809 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
10813 if (!rdev->ops->tx_control_port ||
10814 !wiphy_ext_feature_isset(&rdev->wiphy,
10815 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
10816 return -EOPNOTSUPP;
10821 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
10822 struct genl_info *info,
10823 struct cfg80211_crypto_settings *settings,
10826 memset(settings, 0, sizeof(*settings));
10828 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
10830 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
10833 proto = nla_get_u16(
10834 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
10835 settings->control_port_ethertype = cpu_to_be16(proto);
10836 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
10837 proto != ETH_P_PAE)
10839 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
10840 settings->control_port_no_encrypt = true;
10842 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
10844 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10845 int r = validate_pae_over_nl80211(rdev, info);
10850 settings->control_port_over_nl80211 = true;
10852 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
10853 settings->control_port_no_preauth = true;
10856 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
10860 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10861 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10862 settings->n_ciphers_pairwise = len / sizeof(u32);
10864 if (len % sizeof(u32))
10867 if (settings->n_ciphers_pairwise > cipher_limit)
10870 memcpy(settings->ciphers_pairwise, data, len);
10872 for (i = 0; i < settings->n_ciphers_pairwise; i++)
10873 if (!cfg80211_supported_cipher_suite(
10875 settings->ciphers_pairwise[i]))
10879 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
10880 settings->cipher_group =
10881 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
10882 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
10883 settings->cipher_group))
10887 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
10888 settings->wpa_versions =
10889 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
10890 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
10894 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
10898 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
10899 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
10900 settings->n_akm_suites = len / sizeof(u32);
10902 if (len % sizeof(u32))
10905 if (settings->n_akm_suites > rdev->wiphy.max_num_akm_suites)
10908 memcpy(settings->akm_suites, data, len);
10911 if (info->attrs[NL80211_ATTR_PMK]) {
10912 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
10914 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10915 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
10916 !wiphy_ext_feature_isset(&rdev->wiphy,
10917 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
10919 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10922 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
10923 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10924 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10925 !wiphy_ext_feature_isset(&rdev->wiphy,
10926 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
10928 settings->sae_pwd =
10929 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10930 settings->sae_pwd_len =
10931 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10934 if (info->attrs[NL80211_ATTR_SAE_PWE])
10935 settings->sae_pwe =
10936 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
10938 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
10943 static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device *rdev,
10944 const u8 *ssid, int ssid_len,
10945 struct nlattr **attrs,
10946 int assoc_link_id, int link_id)
10948 struct ieee80211_channel *chan;
10949 struct cfg80211_bss *bss;
10951 u32 freq, use_for = 0;
10953 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_WIPHY_FREQ])
10954 return ERR_PTR(-EINVAL);
10956 bssid = nla_data(attrs[NL80211_ATTR_MAC]);
10958 freq = MHZ_TO_KHZ(nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]));
10959 if (attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10960 freq += nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10962 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10964 return ERR_PTR(-EINVAL);
10966 if (assoc_link_id >= 0)
10967 use_for = NL80211_BSS_USE_FOR_MLD_LINK;
10968 if (assoc_link_id == link_id)
10969 use_for |= NL80211_BSS_USE_FOR_NORMAL;
10971 bss = __cfg80211_get_bss(&rdev->wiphy, chan, bssid,
10973 IEEE80211_BSS_TYPE_ESS,
10974 IEEE80211_PRIVACY_ANY,
10977 return ERR_PTR(-ENOENT);
10982 static int nl80211_associate(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 struct cfg80211_assoc_request req = {};
10987 struct nlattr **attrs = NULL;
10988 const u8 *ap_addr, *ssid;
10989 unsigned int link_id;
10992 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10993 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10996 if (!info->attrs[NL80211_ATTR_SSID])
10999 if (!rdev->ops->assoc)
11000 return -EOPNOTSUPP;
11002 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11003 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11004 return -EOPNOTSUPP;
11006 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11007 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11009 if (info->attrs[NL80211_ATTR_IE]) {
11010 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11011 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11013 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
11014 req.ie, req.ie_len)) {
11015 NL_SET_ERR_MSG_ATTR(info->extack,
11016 info->attrs[NL80211_ATTR_IE],
11017 "non-inheritance makes no sense");
11022 if (info->attrs[NL80211_ATTR_USE_MFP]) {
11023 enum nl80211_mfp mfp =
11024 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
11025 if (mfp == NL80211_MFP_REQUIRED)
11026 req.use_mfp = true;
11027 else if (mfp != NL80211_MFP_NO)
11031 if (info->attrs[NL80211_ATTR_PREV_BSSID])
11032 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
11034 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
11035 req.flags |= ASSOC_REQ_DISABLE_HT;
11037 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11038 memcpy(&req.ht_capa_mask,
11039 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11040 sizeof(req.ht_capa_mask));
11042 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11043 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11045 memcpy(&req.ht_capa,
11046 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11047 sizeof(req.ht_capa));
11050 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
11051 req.flags |= ASSOC_REQ_DISABLE_VHT;
11053 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
11054 req.flags |= ASSOC_REQ_DISABLE_HE;
11056 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
11057 req.flags |= ASSOC_REQ_DISABLE_EHT;
11059 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11060 memcpy(&req.vht_capa_mask,
11061 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
11062 sizeof(req.vht_capa_mask));
11064 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
11065 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11067 memcpy(&req.vht_capa,
11068 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
11069 sizeof(req.vht_capa));
11072 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
11073 if (!((rdev->wiphy.features &
11074 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
11075 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
11076 !wiphy_ext_feature_isset(&rdev->wiphy,
11077 NL80211_EXT_FEATURE_RRM))
11079 req.flags |= ASSOC_REQ_USE_RRM;
11082 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
11083 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
11084 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
11085 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
11088 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
11091 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
11092 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
11094 memcpy(&req.s1g_capa_mask,
11095 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
11096 sizeof(req.s1g_capa_mask));
11099 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
11100 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
11102 memcpy(&req.s1g_capa,
11103 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
11104 sizeof(req.s1g_capa));
11107 req.link_id = nl80211_link_id_or_invalid(info->attrs);
11109 if (info->attrs[NL80211_ATTR_MLO_LINKS]) {
11110 unsigned int attrsize = NUM_NL80211_ATTR * sizeof(*attrs);
11111 struct nlattr *link;
11114 if (req.link_id < 0)
11117 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
11120 if (info->attrs[NL80211_ATTR_MAC] ||
11121 info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11122 !info->attrs[NL80211_ATTR_MLD_ADDR])
11125 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
11126 ap_addr = req.ap_mld_addr;
11128 attrs = kzalloc(attrsize, GFP_KERNEL);
11132 nla_for_each_nested(link,
11133 info->attrs[NL80211_ATTR_MLO_LINKS],
11135 memset(attrs, 0, attrsize);
11137 nla_parse_nested(attrs, NL80211_ATTR_MAX,
11140 if (!attrs[NL80211_ATTR_MLO_LINK_ID]) {
11142 NL_SET_BAD_ATTR(info->extack, link);
11146 link_id = nla_get_u8(attrs[NL80211_ATTR_MLO_LINK_ID]);
11147 /* cannot use the same link ID again */
11148 if (req.links[link_id].bss) {
11150 NL_SET_BAD_ATTR(info->extack, link);
11153 req.links[link_id].bss =
11154 nl80211_assoc_bss(rdev, ssid, ssid_len, attrs,
11155 req.link_id, link_id);
11156 if (IS_ERR(req.links[link_id].bss)) {
11157 err = PTR_ERR(req.links[link_id].bss);
11158 req.links[link_id].bss = NULL;
11159 NL_SET_ERR_MSG_ATTR(info->extack,
11160 link, "Error fetching BSS for link");
11164 if (attrs[NL80211_ATTR_IE]) {
11165 req.links[link_id].elems =
11166 nla_data(attrs[NL80211_ATTR_IE]);
11167 req.links[link_id].elems_len =
11168 nla_len(attrs[NL80211_ATTR_IE]);
11170 if (cfg80211_find_elem(WLAN_EID_FRAGMENT,
11171 req.links[link_id].elems,
11172 req.links[link_id].elems_len)) {
11173 NL_SET_ERR_MSG_ATTR(info->extack,
11174 attrs[NL80211_ATTR_IE],
11175 "cannot deal with fragmentation");
11180 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
11181 req.links[link_id].elems,
11182 req.links[link_id].elems_len)) {
11183 NL_SET_ERR_MSG_ATTR(info->extack,
11184 attrs[NL80211_ATTR_IE],
11185 "cannot deal with non-inheritance");
11191 req.links[link_id].disabled =
11192 nla_get_flag(attrs[NL80211_ATTR_MLO_LINK_DISABLED]);
11195 if (!req.links[req.link_id].bss) {
11200 if (req.links[req.link_id].elems_len) {
11201 GENL_SET_ERR_MSG(info,
11202 "cannot have per-link elems on assoc link");
11207 if (req.links[req.link_id].disabled) {
11208 GENL_SET_ERR_MSG(info,
11209 "cannot have assoc link disabled");
11217 if (req.link_id >= 0)
11220 req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs,
11222 if (IS_ERR(req.bss))
11223 return PTR_ERR(req.bss);
11224 ap_addr = req.bss->bssid;
11227 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
11229 struct nlattr *link;
11232 err = cfg80211_mlme_assoc(rdev, dev, &req);
11234 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11235 dev->ieee80211_ptr->conn_owner_nlportid =
11237 memcpy(dev->ieee80211_ptr->disconnect_bssid,
11238 ap_addr, ETH_ALEN);
11241 /* Report error from first problematic link */
11242 if (info->attrs[NL80211_ATTR_MLO_LINKS]) {
11243 nla_for_each_nested(link,
11244 info->attrs[NL80211_ATTR_MLO_LINKS],
11246 struct nlattr *link_id_attr =
11247 nla_find_nested(link, NL80211_ATTR_MLO_LINK_ID);
11252 link_id = nla_get_u8(link_id_attr);
11254 if (link_id == req.link_id)
11257 if (!req.links[link_id].error ||
11258 WARN_ON(req.links[link_id].error > 0))
11263 NL_SET_BAD_ATTR(info->extack, link);
11264 err = req.links[link_id].error;
11271 for (link_id = 0; link_id < ARRAY_SIZE(req.links); link_id++)
11272 cfg80211_put_bss(&rdev->wiphy, req.links[link_id].bss);
11273 cfg80211_put_bss(&rdev->wiphy, req.bss);
11279 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
11281 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11282 struct net_device *dev = info->user_ptr[1];
11283 const u8 *ie = NULL, *bssid;
11286 bool local_state_change;
11288 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11289 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11292 if (!info->attrs[NL80211_ATTR_MAC])
11295 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11298 if (!rdev->ops->deauth)
11299 return -EOPNOTSUPP;
11301 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11302 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11303 return -EOPNOTSUPP;
11305 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11307 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11308 if (reason_code == 0) {
11309 /* Reason Code 0 is reserved */
11313 if (info->attrs[NL80211_ATTR_IE]) {
11314 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11315 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11318 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11320 return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
11321 local_state_change);
11324 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
11326 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11327 struct net_device *dev = info->user_ptr[1];
11328 const u8 *ie = NULL, *bssid;
11331 bool local_state_change;
11333 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11334 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11337 if (!info->attrs[NL80211_ATTR_MAC])
11340 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11343 if (!rdev->ops->disassoc)
11344 return -EOPNOTSUPP;
11346 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11347 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11348 return -EOPNOTSUPP;
11350 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11352 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11353 if (reason_code == 0) {
11354 /* Reason Code 0 is reserved */
11358 if (info->attrs[NL80211_ATTR_IE]) {
11359 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11360 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11363 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11365 return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
11366 local_state_change);
11370 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
11371 int mcast_rate[NUM_NL80211_BANDS],
11374 struct wiphy *wiphy = &rdev->wiphy;
11375 bool found = false;
11378 for (band = 0; band < NUM_NL80211_BANDS; band++) {
11379 struct ieee80211_supported_band *sband;
11381 sband = wiphy->bands[band];
11385 for (i = 0; i < sband->n_bitrates; i++) {
11386 if (sband->bitrates[i].bitrate == rateval) {
11387 mcast_rate[band] = i + 1;
11397 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
11399 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11400 struct net_device *dev = info->user_ptr[1];
11401 struct cfg80211_ibss_params ibss;
11402 struct wiphy *wiphy;
11403 struct cfg80211_cached_keys *connkeys = NULL;
11406 memset(&ibss, 0, sizeof(ibss));
11408 if (!info->attrs[NL80211_ATTR_SSID] ||
11409 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11412 ibss.beacon_interval = 100;
11414 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
11415 ibss.beacon_interval =
11416 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11418 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
11419 ibss.beacon_interval);
11423 if (!rdev->ops->join_ibss)
11424 return -EOPNOTSUPP;
11426 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11427 return -EOPNOTSUPP;
11429 wiphy = &rdev->wiphy;
11431 if (info->attrs[NL80211_ATTR_MAC]) {
11432 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11434 if (!is_valid_ether_addr(ibss.bssid))
11437 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11438 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11440 if (info->attrs[NL80211_ATTR_IE]) {
11441 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11442 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11445 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
11449 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
11450 NL80211_IFTYPE_ADHOC))
11453 switch (ibss.chandef.width) {
11454 case NL80211_CHAN_WIDTH_5:
11455 case NL80211_CHAN_WIDTH_10:
11456 case NL80211_CHAN_WIDTH_20_NOHT:
11458 case NL80211_CHAN_WIDTH_20:
11459 case NL80211_CHAN_WIDTH_40:
11460 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11463 case NL80211_CHAN_WIDTH_80:
11464 case NL80211_CHAN_WIDTH_80P80:
11465 case NL80211_CHAN_WIDTH_160:
11466 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11468 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11469 NL80211_EXT_FEATURE_VHT_IBSS))
11472 case NL80211_CHAN_WIDTH_320:
11478 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
11479 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
11481 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11483 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11485 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11486 struct ieee80211_supported_band *sband =
11487 wiphy->bands[ibss.chandef.chan->band];
11489 err = ieee80211_get_ratemask(sband, rates, n_rates,
11490 &ibss.basic_rates);
11495 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11496 memcpy(&ibss.ht_capa_mask,
11497 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11498 sizeof(ibss.ht_capa_mask));
11500 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11501 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11503 memcpy(&ibss.ht_capa,
11504 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11505 sizeof(ibss.ht_capa));
11508 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11509 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
11510 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11513 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
11514 bool no_ht = false;
11516 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
11517 if (IS_ERR(connkeys))
11518 return PTR_ERR(connkeys);
11520 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
11522 kfree_sensitive(connkeys);
11527 ibss.control_port =
11528 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
11530 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11531 int r = validate_pae_over_nl80211(rdev, info);
11534 kfree_sensitive(connkeys);
11538 ibss.control_port_over_nl80211 = true;
11541 ibss.userspace_handles_dfs =
11542 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11544 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
11546 kfree_sensitive(connkeys);
11547 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
11548 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11553 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
11555 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11556 struct net_device *dev = info->user_ptr[1];
11558 if (!rdev->ops->leave_ibss)
11559 return -EOPNOTSUPP;
11561 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11562 return -EOPNOTSUPP;
11564 return cfg80211_leave_ibss(rdev, dev, false);
11567 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
11569 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11570 struct net_device *dev = info->user_ptr[1];
11571 int mcast_rate[NUM_NL80211_BANDS];
11574 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
11575 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
11576 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
11577 return -EOPNOTSUPP;
11579 if (!rdev->ops->set_mcast_rate)
11580 return -EOPNOTSUPP;
11582 memset(mcast_rate, 0, sizeof(mcast_rate));
11584 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
11587 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
11588 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
11591 return rdev_set_mcast_rate(rdev, dev, mcast_rate);
11594 static struct sk_buff *
11595 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
11596 struct wireless_dev *wdev, int approxlen,
11597 u32 portid, u32 seq, enum nl80211_commands cmd,
11598 enum nl80211_attrs attr,
11599 const struct nl80211_vendor_cmd_info *info,
11602 struct sk_buff *skb;
11604 struct nlattr *data;
11606 skb = nlmsg_new(approxlen + 100, gfp);
11610 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
11616 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
11617 goto nla_put_failure;
11620 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
11622 goto nla_put_failure;
11623 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
11625 goto nla_put_failure;
11629 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
11630 wdev_id(wdev), NL80211_ATTR_PAD))
11631 goto nla_put_failure;
11632 if (wdev->netdev &&
11633 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
11634 wdev->netdev->ifindex))
11635 goto nla_put_failure;
11638 data = nla_nest_start_noflag(skb, attr);
11640 goto nla_put_failure;
11642 ((void **)skb->cb)[0] = rdev;
11643 ((void **)skb->cb)[1] = hdr;
11644 ((void **)skb->cb)[2] = data;
11653 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
11654 struct wireless_dev *wdev,
11655 enum nl80211_commands cmd,
11656 enum nl80211_attrs attr,
11657 unsigned int portid,
11658 int vendor_event_idx,
11659 int approxlen, gfp_t gfp)
11661 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11662 const struct nl80211_vendor_cmd_info *info;
11665 case NL80211_CMD_TESTMODE:
11666 if (WARN_ON(vendor_event_idx != -1))
11670 case NL80211_CMD_VENDOR:
11671 if (WARN_ON(vendor_event_idx < 0 ||
11672 vendor_event_idx >= wiphy->n_vendor_events))
11674 info = &wiphy->vendor_events[vendor_event_idx];
11681 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
11682 cmd, attr, info, gfp);
11684 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
11686 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
11688 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
11689 void *hdr = ((void **)skb->cb)[1];
11690 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
11691 struct nlattr *data = ((void **)skb->cb)[2];
11692 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
11694 /* clear CB data for netlink core to own from now on */
11695 memset(skb->cb, 0, sizeof(skb->cb));
11697 nla_nest_end(skb, data);
11698 genlmsg_end(skb, hdr);
11700 if (nlhdr->nlmsg_pid) {
11701 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
11704 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
11705 mcgrp = NL80211_MCGRP_VENDOR;
11707 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11708 skb, 0, mcgrp, gfp);
11711 EXPORT_SYMBOL(__cfg80211_send_event_skb);
11713 #ifdef CONFIG_NL80211_TESTMODE
11714 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
11716 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11717 struct wireless_dev *wdev;
11720 lockdep_assert_held(&rdev->wiphy.mtx);
11722 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
11725 if (!rdev->ops->testmode_cmd)
11726 return -EOPNOTSUPP;
11728 if (IS_ERR(wdev)) {
11729 err = PTR_ERR(wdev);
11730 if (err != -EINVAL)
11733 } else if (wdev->wiphy != &rdev->wiphy) {
11737 if (!info->attrs[NL80211_ATTR_TESTDATA])
11740 rdev->cur_cmd_info = info;
11741 err = rdev_testmode_cmd(rdev, wdev,
11742 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
11743 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
11744 rdev->cur_cmd_info = NULL;
11749 static int nl80211_testmode_dump(struct sk_buff *skb,
11750 struct netlink_callback *cb)
11752 struct cfg80211_registered_device *rdev;
11753 struct nlattr **attrbuf = NULL;
11763 * 0 is a valid index, but not valid for args[0],
11764 * so we need to offset by 1.
11766 phy_idx = cb->args[0] - 1;
11768 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
11774 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
11781 err = nlmsg_parse_deprecated(cb->nlh,
11782 GENL_HDRLEN + nl80211_fam.hdrsize,
11783 attrbuf, nl80211_fam.maxattr,
11784 nl80211_policy, NULL);
11788 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
11789 if (IS_ERR(rdev)) {
11790 err = PTR_ERR(rdev);
11793 phy_idx = rdev->wiphy_idx;
11795 if (attrbuf[NL80211_ATTR_TESTDATA])
11796 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
11800 data = nla_data((void *)cb->args[1]);
11801 data_len = nla_len((void *)cb->args[1]);
11804 if (!rdev->ops->testmode_dump) {
11810 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
11811 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11812 NL80211_CMD_TESTMODE);
11813 struct nlattr *tmdata;
11818 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
11819 genlmsg_cancel(skb, hdr);
11823 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
11825 genlmsg_cancel(skb, hdr);
11828 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
11829 nla_nest_end(skb, tmdata);
11831 if (err == -ENOBUFS || err == -ENOENT) {
11832 genlmsg_cancel(skb, hdr);
11835 genlmsg_cancel(skb, hdr);
11839 genlmsg_end(skb, hdr);
11844 cb->args[0] = phy_idx + 1;
11852 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
11854 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11855 struct net_device *dev = info->user_ptr[1];
11856 struct cfg80211_connect_params connect;
11857 struct wiphy *wiphy;
11858 struct cfg80211_cached_keys *connkeys = NULL;
11862 memset(&connect, 0, sizeof(connect));
11864 if (!info->attrs[NL80211_ATTR_SSID] ||
11865 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11868 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11869 connect.auth_type =
11870 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11871 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
11872 NL80211_CMD_CONNECT))
11875 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
11877 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
11879 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
11880 !wiphy_ext_feature_isset(&rdev->wiphy,
11881 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
11883 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
11885 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
11886 NL80211_MAX_NR_CIPHER_SUITES);
11890 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11891 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11892 return -EOPNOTSUPP;
11894 wiphy = &rdev->wiphy;
11896 connect.bg_scan_period = -1;
11897 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
11898 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
11899 connect.bg_scan_period =
11900 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
11903 if (info->attrs[NL80211_ATTR_MAC])
11904 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11905 else if (info->attrs[NL80211_ATTR_MAC_HINT])
11906 connect.bssid_hint =
11907 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
11908 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11909 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11911 if (info->attrs[NL80211_ATTR_IE]) {
11912 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11913 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11916 if (info->attrs[NL80211_ATTR_USE_MFP]) {
11917 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
11918 if (connect.mfp == NL80211_MFP_OPTIONAL &&
11919 !wiphy_ext_feature_isset(&rdev->wiphy,
11920 NL80211_EXT_FEATURE_MFP_OPTIONAL))
11921 return -EOPNOTSUPP;
11923 connect.mfp = NL80211_MFP_NO;
11926 if (info->attrs[NL80211_ATTR_PREV_BSSID])
11927 connect.prev_bssid =
11928 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
11930 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
11931 freq = MHZ_TO_KHZ(nla_get_u32(
11932 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
11933 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
11935 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
11938 connect.channel = nl80211_get_valid_chan(wiphy, freq);
11939 if (!connect.channel)
11941 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
11942 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
11943 freq = MHZ_TO_KHZ(freq);
11944 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
11945 if (!connect.channel_hint)
11949 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
11950 connect.edmg.channels =
11951 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
11953 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
11954 connect.edmg.bw_config =
11955 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
11958 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
11959 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
11960 if (IS_ERR(connkeys))
11961 return PTR_ERR(connkeys);
11964 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
11965 connect.flags |= ASSOC_REQ_DISABLE_HT;
11967 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11968 memcpy(&connect.ht_capa_mask,
11969 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11970 sizeof(connect.ht_capa_mask));
11972 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11973 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
11974 kfree_sensitive(connkeys);
11977 memcpy(&connect.ht_capa,
11978 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11979 sizeof(connect.ht_capa));
11982 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
11983 connect.flags |= ASSOC_REQ_DISABLE_VHT;
11985 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
11986 connect.flags |= ASSOC_REQ_DISABLE_HE;
11988 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
11989 connect.flags |= ASSOC_REQ_DISABLE_EHT;
11991 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11992 memcpy(&connect.vht_capa_mask,
11993 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
11994 sizeof(connect.vht_capa_mask));
11996 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
11997 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
11998 kfree_sensitive(connkeys);
12001 memcpy(&connect.vht_capa,
12002 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
12003 sizeof(connect.vht_capa));
12006 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
12007 if (!((rdev->wiphy.features &
12008 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
12009 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
12010 !wiphy_ext_feature_isset(&rdev->wiphy,
12011 NL80211_EXT_FEATURE_RRM)) {
12012 kfree_sensitive(connkeys);
12015 connect.flags |= ASSOC_REQ_USE_RRM;
12018 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
12019 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
12020 kfree_sensitive(connkeys);
12021 return -EOPNOTSUPP;
12024 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
12025 /* bss selection makes no sense if bssid is set */
12026 if (connect.bssid) {
12027 kfree_sensitive(connkeys);
12031 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
12032 wiphy, &connect.bss_select);
12034 kfree_sensitive(connkeys);
12039 if (wiphy_ext_feature_isset(&rdev->wiphy,
12040 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
12041 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
12042 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
12043 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
12044 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12045 connect.fils_erp_username =
12046 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12047 connect.fils_erp_username_len =
12048 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12049 connect.fils_erp_realm =
12050 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12051 connect.fils_erp_realm_len =
12052 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12053 connect.fils_erp_next_seq_num =
12055 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
12056 connect.fils_erp_rrk =
12057 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12058 connect.fils_erp_rrk_len =
12059 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12060 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
12061 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
12062 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
12063 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12064 kfree_sensitive(connkeys);
12068 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
12069 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
12070 kfree_sensitive(connkeys);
12071 GENL_SET_ERR_MSG(info,
12072 "external auth requires connection ownership");
12075 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
12078 if (nla_get_flag(info->attrs[NL80211_ATTR_MLO_SUPPORT]))
12079 connect.flags |= CONNECT_REQ_MLO_SUPPORT;
12081 err = cfg80211_connect(rdev, dev, &connect, connkeys,
12082 connect.prev_bssid);
12084 kfree_sensitive(connkeys);
12086 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
12087 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
12089 memcpy(dev->ieee80211_ptr->disconnect_bssid,
12090 connect.bssid, ETH_ALEN);
12092 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
12098 static int nl80211_update_connect_params(struct sk_buff *skb,
12099 struct genl_info *info)
12101 struct cfg80211_connect_params connect = {};
12102 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12103 struct net_device *dev = info->user_ptr[1];
12104 struct wireless_dev *wdev = dev->ieee80211_ptr;
12105 bool fils_sk_offload;
12109 if (!rdev->ops->update_connect_params)
12110 return -EOPNOTSUPP;
12112 if (info->attrs[NL80211_ATTR_IE]) {
12113 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12114 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12115 changed |= UPDATE_ASSOC_IES;
12118 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
12119 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
12122 * when driver supports fils-sk offload all attributes must be
12123 * provided. So the else covers "fils-sk-not-all" and
12124 * "no-fils-sk-any".
12126 if (fils_sk_offload &&
12127 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
12128 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
12129 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
12130 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12131 connect.fils_erp_username =
12132 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12133 connect.fils_erp_username_len =
12134 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12135 connect.fils_erp_realm =
12136 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12137 connect.fils_erp_realm_len =
12138 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12139 connect.fils_erp_next_seq_num =
12141 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
12142 connect.fils_erp_rrk =
12143 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12144 connect.fils_erp_rrk_len =
12145 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12146 changed |= UPDATE_FILS_ERP_INFO;
12147 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
12148 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
12149 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
12150 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12154 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
12155 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
12156 if (!nl80211_valid_auth_type(rdev, auth_type,
12157 NL80211_CMD_CONNECT))
12160 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
12161 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
12164 connect.auth_type = auth_type;
12165 changed |= UPDATE_AUTH_TYPE;
12168 if (!wdev->connected)
12171 return rdev_update_connect_params(rdev, dev, &connect, changed);
12174 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
12176 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12177 struct net_device *dev = info->user_ptr[1];
12180 if (dev->ieee80211_ptr->conn_owner_nlportid &&
12181 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
12184 if (!info->attrs[NL80211_ATTR_REASON_CODE])
12185 reason = WLAN_REASON_DEAUTH_LEAVING;
12187 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
12192 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12193 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12194 return -EOPNOTSUPP;
12196 return cfg80211_disconnect(rdev, dev, reason, true);
12199 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
12201 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12205 if (info->attrs[NL80211_ATTR_PID]) {
12206 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
12208 net = get_net_ns_by_pid(pid);
12209 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
12210 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
12212 net = get_net_ns_by_fd(fd);
12218 return PTR_ERR(net);
12222 /* check if anything to do */
12223 if (!net_eq(wiphy_net(&rdev->wiphy), net))
12224 err = cfg80211_switch_netns(rdev, net);
12230 static int nl80211_set_pmksa(struct sk_buff *skb, struct genl_info *info)
12232 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12233 struct net_device *dev = info->user_ptr[1];
12234 struct cfg80211_pmksa pmksa;
12235 bool ap_pmksa_caching_support = false;
12237 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
12239 ap_pmksa_caching_support = wiphy_ext_feature_isset(&rdev->wiphy,
12240 NL80211_EXT_FEATURE_AP_PMKSA_CACHING);
12242 if (!info->attrs[NL80211_ATTR_PMKID])
12245 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
12247 if (info->attrs[NL80211_ATTR_MAC]) {
12248 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
12249 } else if (info->attrs[NL80211_ATTR_SSID] &&
12250 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
12251 info->attrs[NL80211_ATTR_PMK]) {
12252 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
12253 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
12254 pmksa.cache_id = nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
12259 if (info->attrs[NL80211_ATTR_PMK]) {
12260 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
12261 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
12264 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
12265 pmksa.pmk_lifetime =
12266 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
12268 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
12269 pmksa.pmk_reauth_threshold =
12270 nla_get_u8(info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
12272 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12273 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
12274 !((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP ||
12275 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) &&
12276 ap_pmksa_caching_support))
12277 return -EOPNOTSUPP;
12279 if (!rdev->ops->set_pmksa)
12280 return -EOPNOTSUPP;
12282 return rdev_set_pmksa(rdev, dev, &pmksa);
12285 static int nl80211_del_pmksa(struct sk_buff *skb, struct genl_info *info)
12287 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12288 struct net_device *dev = info->user_ptr[1];
12289 struct cfg80211_pmksa pmksa;
12290 bool sae_offload_support = false;
12291 bool owe_offload_support = false;
12292 bool ap_pmksa_caching_support = false;
12294 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
12296 sae_offload_support = wiphy_ext_feature_isset(&rdev->wiphy,
12297 NL80211_EXT_FEATURE_SAE_OFFLOAD);
12298 owe_offload_support = wiphy_ext_feature_isset(&rdev->wiphy,
12299 NL80211_EXT_FEATURE_OWE_OFFLOAD);
12300 ap_pmksa_caching_support = wiphy_ext_feature_isset(&rdev->wiphy,
12301 NL80211_EXT_FEATURE_AP_PMKSA_CACHING);
12303 if (info->attrs[NL80211_ATTR_PMKID])
12304 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
12306 if (info->attrs[NL80211_ATTR_MAC]) {
12307 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
12308 } else if (info->attrs[NL80211_ATTR_SSID]) {
12309 /* SSID based pmksa flush suppported only for FILS,
12310 * OWE/SAE OFFLOAD cases
12312 if (info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
12313 info->attrs[NL80211_ATTR_PMK]) {
12314 pmksa.cache_id = nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
12315 } else if (!sae_offload_support && !owe_offload_support) {
12318 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
12319 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
12324 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12325 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
12326 !((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP ||
12327 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) &&
12328 ap_pmksa_caching_support))
12329 return -EOPNOTSUPP;
12331 if (!rdev->ops->del_pmksa)
12332 return -EOPNOTSUPP;
12334 return rdev_del_pmksa(rdev, dev, &pmksa);
12337 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
12339 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12340 struct net_device *dev = info->user_ptr[1];
12342 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12343 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12344 return -EOPNOTSUPP;
12346 if (!rdev->ops->flush_pmksa)
12347 return -EOPNOTSUPP;
12349 return rdev_flush_pmksa(rdev, dev);
12352 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
12354 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12355 struct net_device *dev = info->user_ptr[1];
12356 u8 action_code, dialog_token;
12357 u32 peer_capability = 0;
12363 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12364 !rdev->ops->tdls_mgmt)
12365 return -EOPNOTSUPP;
12367 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
12368 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
12369 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
12370 !info->attrs[NL80211_ATTR_IE] ||
12371 !info->attrs[NL80211_ATTR_MAC])
12374 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12375 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
12376 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
12377 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
12378 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
12379 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
12381 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
12382 link_id = nl80211_link_id_or_invalid(info->attrs);
12384 return rdev_tdls_mgmt(rdev, dev, peer, link_id, action_code,
12385 dialog_token, status_code, peer_capability,
12387 nla_data(info->attrs[NL80211_ATTR_IE]),
12388 nla_len(info->attrs[NL80211_ATTR_IE]));
12391 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
12393 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12394 struct net_device *dev = info->user_ptr[1];
12395 enum nl80211_tdls_operation operation;
12398 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12399 !rdev->ops->tdls_oper)
12400 return -EOPNOTSUPP;
12402 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
12403 !info->attrs[NL80211_ATTR_MAC])
12406 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
12407 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12409 return rdev_tdls_oper(rdev, dev, peer, operation);
12412 static int nl80211_remain_on_channel(struct sk_buff *skb,
12413 struct genl_info *info)
12415 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12416 unsigned int link_id = nl80211_link_id(info->attrs);
12417 struct wireless_dev *wdev = info->user_ptr[1];
12418 struct cfg80211_chan_def chandef;
12419 struct sk_buff *msg;
12425 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
12426 !info->attrs[NL80211_ATTR_DURATION])
12429 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12431 if (!rdev->ops->remain_on_channel ||
12432 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
12433 return -EOPNOTSUPP;
12436 * We should be on that channel for at least a minimum amount of
12437 * time (10ms) but no longer than the driver supports.
12439 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12440 duration > rdev->wiphy.max_remain_on_channel_duration)
12443 err = nl80211_parse_chandef(rdev, info, &chandef);
12447 if (!cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
12448 const struct cfg80211_chan_def *oper_chandef, *compat_chandef;
12450 oper_chandef = wdev_chandef(wdev, link_id);
12452 if (WARN_ON(!oper_chandef)) {
12453 /* cannot happen since we must beacon to get here */
12458 /* note: returns first one if identical chandefs */
12459 compat_chandef = cfg80211_chandef_compatible(&chandef,
12462 if (compat_chandef != &chandef)
12466 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12470 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12471 NL80211_CMD_REMAIN_ON_CHANNEL);
12477 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
12478 duration, &cookie);
12483 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12485 goto nla_put_failure;
12487 genlmsg_end(msg, hdr);
12489 return genlmsg_reply(msg, info);
12498 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
12499 struct genl_info *info)
12501 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12502 struct wireless_dev *wdev = info->user_ptr[1];
12505 if (!info->attrs[NL80211_ATTR_COOKIE])
12508 if (!rdev->ops->cancel_remain_on_channel)
12509 return -EOPNOTSUPP;
12511 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12513 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
12516 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
12517 struct genl_info *info)
12519 struct cfg80211_bitrate_mask mask;
12520 unsigned int link_id = nl80211_link_id(info->attrs);
12521 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12522 struct net_device *dev = info->user_ptr[1];
12525 if (!rdev->ops->set_bitrate_mask)
12526 return -EOPNOTSUPP;
12528 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
12529 NL80211_ATTR_TX_RATES, &mask,
12530 dev, true, link_id);
12534 return rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
12537 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
12539 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12540 struct wireless_dev *wdev = info->user_ptr[1];
12541 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
12543 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
12546 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
12547 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
12549 switch (wdev->iftype) {
12550 case NL80211_IFTYPE_STATION:
12551 case NL80211_IFTYPE_ADHOC:
12552 case NL80211_IFTYPE_P2P_CLIENT:
12553 case NL80211_IFTYPE_AP:
12554 case NL80211_IFTYPE_AP_VLAN:
12555 case NL80211_IFTYPE_MESH_POINT:
12556 case NL80211_IFTYPE_P2P_GO:
12557 case NL80211_IFTYPE_P2P_DEVICE:
12559 case NL80211_IFTYPE_NAN:
12560 if (!wiphy_ext_feature_isset(wdev->wiphy,
12561 NL80211_EXT_FEATURE_SECURE_NAN))
12562 return -EOPNOTSUPP;
12565 return -EOPNOTSUPP;
12568 /* not much point in registering if we can't reply */
12569 if (!rdev->ops->mgmt_tx)
12570 return -EOPNOTSUPP;
12572 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
12573 !wiphy_ext_feature_isset(&rdev->wiphy,
12574 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
12575 GENL_SET_ERR_MSG(info,
12576 "multicast RX registrations are not supported");
12577 return -EOPNOTSUPP;
12580 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
12581 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12582 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12583 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
12587 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
12589 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12590 struct wireless_dev *wdev = info->user_ptr[1];
12591 struct cfg80211_chan_def chandef;
12595 struct sk_buff *msg = NULL;
12596 struct cfg80211_mgmt_tx_params params = {
12597 .dont_wait_for_ack =
12598 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
12601 if (!info->attrs[NL80211_ATTR_FRAME])
12604 if (!rdev->ops->mgmt_tx)
12605 return -EOPNOTSUPP;
12607 switch (wdev->iftype) {
12608 case NL80211_IFTYPE_P2P_DEVICE:
12609 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
12612 case NL80211_IFTYPE_STATION:
12613 case NL80211_IFTYPE_ADHOC:
12614 case NL80211_IFTYPE_P2P_CLIENT:
12615 case NL80211_IFTYPE_AP:
12616 case NL80211_IFTYPE_AP_VLAN:
12617 case NL80211_IFTYPE_MESH_POINT:
12618 case NL80211_IFTYPE_P2P_GO:
12620 case NL80211_IFTYPE_NAN:
12621 if (!wiphy_ext_feature_isset(wdev->wiphy,
12622 NL80211_EXT_FEATURE_SECURE_NAN))
12623 return -EOPNOTSUPP;
12626 return -EOPNOTSUPP;
12629 if (info->attrs[NL80211_ATTR_DURATION]) {
12630 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
12632 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12635 * We should wait on the channel for at least a minimum amount
12636 * of time (10ms) but no longer than the driver supports.
12638 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12639 params.wait > rdev->wiphy.max_remain_on_channel_duration)
12643 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
12645 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
12648 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
12650 /* get the channel if any has been specified, otherwise pass NULL to
12651 * the driver. The latter will use the current one
12653 chandef.chan = NULL;
12654 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
12655 err = nl80211_parse_chandef(rdev, info, &chandef);
12660 if (!chandef.chan && params.offchan)
12663 if (params.offchan &&
12664 !cfg80211_off_channel_oper_allowed(wdev, chandef.chan))
12667 params.link_id = nl80211_link_id_or_invalid(info->attrs);
12669 * This now races due to the unlock, but we cannot check
12670 * the valid links for the _station_ anyway, so that's up
12673 if (params.link_id >= 0 &&
12674 !(wdev->valid_links & BIT(params.link_id)))
12677 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
12678 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
12680 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
12681 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12684 if (len % sizeof(u16))
12687 params.n_csa_offsets = len / sizeof(u16);
12688 params.csa_offsets =
12689 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12691 /* check that all the offsets fit the frame */
12692 for (i = 0; i < params.n_csa_offsets; i++) {
12693 if (params.csa_offsets[i] >= params.len)
12698 if (!params.dont_wait_for_ack) {
12699 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12703 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12704 NL80211_CMD_FRAME);
12711 params.chan = chandef.chan;
12712 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
12717 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12719 goto nla_put_failure;
12721 genlmsg_end(msg, hdr);
12722 return genlmsg_reply(msg, info);
12734 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
12736 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12737 struct wireless_dev *wdev = info->user_ptr[1];
12740 if (!info->attrs[NL80211_ATTR_COOKIE])
12743 if (!rdev->ops->mgmt_tx_cancel_wait)
12744 return -EOPNOTSUPP;
12746 switch (wdev->iftype) {
12747 case NL80211_IFTYPE_STATION:
12748 case NL80211_IFTYPE_ADHOC:
12749 case NL80211_IFTYPE_P2P_CLIENT:
12750 case NL80211_IFTYPE_AP:
12751 case NL80211_IFTYPE_AP_VLAN:
12752 case NL80211_IFTYPE_P2P_GO:
12753 case NL80211_IFTYPE_P2P_DEVICE:
12755 case NL80211_IFTYPE_NAN:
12756 if (!wiphy_ext_feature_isset(wdev->wiphy,
12757 NL80211_EXT_FEATURE_SECURE_NAN))
12758 return -EOPNOTSUPP;
12761 return -EOPNOTSUPP;
12764 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12766 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
12769 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
12771 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12772 struct wireless_dev *wdev;
12773 struct net_device *dev = info->user_ptr[1];
12778 if (!info->attrs[NL80211_ATTR_PS_STATE])
12781 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
12783 wdev = dev->ieee80211_ptr;
12785 if (!rdev->ops->set_power_mgmt)
12786 return -EOPNOTSUPP;
12788 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
12790 if (state == wdev->ps)
12793 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
12799 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
12801 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12802 enum nl80211_ps_state ps_state;
12803 struct wireless_dev *wdev;
12804 struct net_device *dev = info->user_ptr[1];
12805 struct sk_buff *msg;
12809 wdev = dev->ieee80211_ptr;
12811 if (!rdev->ops->set_power_mgmt)
12812 return -EOPNOTSUPP;
12814 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12818 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12819 NL80211_CMD_GET_POWER_SAVE);
12826 ps_state = NL80211_PS_ENABLED;
12828 ps_state = NL80211_PS_DISABLED;
12830 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
12831 goto nla_put_failure;
12833 genlmsg_end(msg, hdr);
12834 return genlmsg_reply(msg, info);
12843 static const struct nla_policy
12844 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
12845 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
12846 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
12847 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
12848 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
12849 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
12850 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
12851 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
12854 static int nl80211_set_cqm_txe(struct genl_info *info,
12855 u32 rate, u32 pkts, u32 intvl)
12857 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12858 struct net_device *dev = info->user_ptr[1];
12859 struct wireless_dev *wdev = dev->ieee80211_ptr;
12861 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
12864 if (!rdev->ops->set_cqm_txe_config)
12865 return -EOPNOTSUPP;
12867 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12868 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12869 return -EOPNOTSUPP;
12871 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
12874 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
12875 struct net_device *dev,
12876 struct cfg80211_cqm_config *cqm_config)
12878 struct wireless_dev *wdev = dev->ieee80211_ptr;
12879 s32 last, low, high;
12881 int i, n, low_index;
12885 * Obtain current RSSI value if possible, if not and no RSSI threshold
12886 * event has been received yet, we should receive an event after a
12887 * connection is established and enough beacons received to calculate
12890 if (!cqm_config->last_rssi_event_value &&
12891 wdev->links[0].client.current_bss &&
12892 rdev->ops->get_station) {
12893 struct station_info sinfo = {};
12896 mac_addr = wdev->links[0].client.current_bss->pub.bssid;
12898 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
12902 cfg80211_sinfo_release_content(&sinfo);
12903 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
12904 cqm_config->last_rssi_event_value =
12905 (s8) sinfo.rx_beacon_signal_avg;
12908 last = cqm_config->last_rssi_event_value;
12909 hyst = cqm_config->rssi_hyst;
12910 n = cqm_config->n_rssi_thresholds;
12912 for (i = 0; i < n; i++) {
12913 i = array_index_nospec(i, n);
12914 if (last < cqm_config->rssi_thresholds[i])
12919 if (low_index >= 0) {
12920 low_index = array_index_nospec(low_index, n);
12921 low = cqm_config->rssi_thresholds[low_index] - hyst;
12926 i = array_index_nospec(i, n);
12927 high = cqm_config->rssi_thresholds[i] + hyst - 1;
12932 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
12935 static int nl80211_set_cqm_rssi(struct genl_info *info,
12936 const s32 *thresholds, int n_thresholds,
12939 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12940 struct cfg80211_cqm_config *cqm_config = NULL, *old;
12941 struct net_device *dev = info->user_ptr[1];
12942 struct wireless_dev *wdev = dev->ieee80211_ptr;
12943 s32 prev = S32_MIN;
12946 /* Check all values negative and sorted */
12947 for (i = 0; i < n_thresholds; i++) {
12948 if (thresholds[i] > 0 || thresholds[i] <= prev)
12951 prev = thresholds[i];
12954 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12955 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12956 return -EOPNOTSUPP;
12958 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
12961 old = wiphy_dereference(wdev->wiphy, wdev->cqm_config);
12963 /* if already disabled just succeed */
12964 if (!n_thresholds && !old)
12967 if (n_thresholds > 1) {
12968 if (!wiphy_ext_feature_isset(&rdev->wiphy,
12969 NL80211_EXT_FEATURE_CQM_RSSI_LIST) ||
12970 !rdev->ops->set_cqm_rssi_range_config)
12971 return -EOPNOTSUPP;
12973 if (!rdev->ops->set_cqm_rssi_config)
12974 return -EOPNOTSUPP;
12977 if (n_thresholds) {
12978 cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds,
12984 cqm_config->rssi_hyst = hysteresis;
12985 cqm_config->n_rssi_thresholds = n_thresholds;
12986 memcpy(cqm_config->rssi_thresholds, thresholds,
12987 flex_array_size(cqm_config, rssi_thresholds,
12989 cqm_config->use_range_api = n_thresholds > 1 ||
12990 !rdev->ops->set_cqm_rssi_config;
12992 rcu_assign_pointer(wdev->cqm_config, cqm_config);
12994 if (cqm_config->use_range_api)
12995 err = cfg80211_cqm_rssi_update(rdev, dev, cqm_config);
12997 err = rdev_set_cqm_rssi_config(rdev, dev,
13001 RCU_INIT_POINTER(wdev->cqm_config, NULL);
13002 /* if enabled as range also disable via range */
13003 if (old->use_range_api)
13004 err = rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
13006 err = rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
13010 rcu_assign_pointer(wdev->cqm_config, old);
13011 kfree_rcu(cqm_config, rcu_head);
13013 kfree_rcu(old, rcu_head);
13019 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
13021 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
13022 struct nlattr *cqm;
13025 cqm = info->attrs[NL80211_ATTR_CQM];
13029 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
13030 nl80211_attr_cqm_policy,
13035 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
13036 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
13037 const s32 *thresholds =
13038 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
13039 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
13040 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
13045 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
13049 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
13050 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
13051 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
13052 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
13053 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
13054 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
13056 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
13062 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
13064 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13065 struct net_device *dev = info->user_ptr[1];
13066 struct ocb_setup setup = {};
13069 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
13073 return cfg80211_join_ocb(rdev, dev, &setup);
13076 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
13078 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13079 struct net_device *dev = info->user_ptr[1];
13081 return cfg80211_leave_ocb(rdev, dev);
13084 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
13086 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13087 struct net_device *dev = info->user_ptr[1];
13088 struct mesh_config cfg;
13089 struct mesh_setup setup;
13092 /* start with default */
13093 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
13094 memcpy(&setup, &default_mesh_setup, sizeof(setup));
13096 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
13097 /* and parse parameters if given */
13098 err = nl80211_parse_mesh_config(info, &cfg, NULL);
13103 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
13104 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
13107 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
13108 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
13110 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
13111 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
13112 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
13115 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
13116 setup.beacon_interval =
13117 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
13119 err = cfg80211_validate_beacon_int(rdev,
13120 NL80211_IFTYPE_MESH_POINT,
13121 setup.beacon_interval);
13126 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
13127 setup.dtim_period =
13128 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
13129 if (setup.dtim_period < 1 || setup.dtim_period > 100)
13133 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
13134 /* parse additional setup parameters if given */
13135 err = nl80211_parse_mesh_setup(info, &setup);
13140 if (setup.user_mpm)
13141 cfg.auto_open_plinks = false;
13143 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
13144 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
13148 /* __cfg80211_join_mesh() will sort it out */
13149 setup.chandef.chan = NULL;
13152 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
13153 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
13155 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
13156 struct ieee80211_supported_band *sband;
13158 if (!setup.chandef.chan)
13161 sband = rdev->wiphy.bands[setup.chandef.chan->band];
13163 err = ieee80211_get_ratemask(sband, rates, n_rates,
13164 &setup.basic_rates);
13169 if (info->attrs[NL80211_ATTR_TX_RATES]) {
13170 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
13171 NL80211_ATTR_TX_RATES,
13172 &setup.beacon_rate,
13177 if (!setup.chandef.chan)
13180 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
13181 &setup.beacon_rate);
13186 setup.userspace_handles_dfs =
13187 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
13189 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
13190 int r = validate_pae_over_nl80211(rdev, info);
13195 setup.control_port_over_nl80211 = true;
13198 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
13199 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
13200 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
13205 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
13207 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13208 struct net_device *dev = info->user_ptr[1];
13210 return cfg80211_leave_mesh(rdev, dev);
13214 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
13215 struct cfg80211_registered_device *rdev)
13217 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
13218 struct nlattr *nl_pats, *nl_pat;
13221 if (!wowlan->n_patterns)
13224 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
13228 for (i = 0; i < wowlan->n_patterns; i++) {
13229 nl_pat = nla_nest_start_noflag(msg, i + 1);
13232 pat_len = wowlan->patterns[i].pattern_len;
13233 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
13234 wowlan->patterns[i].mask) ||
13235 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13236 wowlan->patterns[i].pattern) ||
13237 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
13238 wowlan->patterns[i].pkt_offset))
13240 nla_nest_end(msg, nl_pat);
13242 nla_nest_end(msg, nl_pats);
13247 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
13248 struct cfg80211_wowlan_tcp *tcp)
13250 struct nlattr *nl_tcp;
13255 nl_tcp = nla_nest_start_noflag(msg,
13256 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
13260 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
13261 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
13262 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
13263 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
13264 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
13265 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
13266 tcp->payload_len, tcp->payload) ||
13267 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
13268 tcp->data_interval) ||
13269 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
13270 tcp->wake_len, tcp->wake_data) ||
13271 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
13272 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
13275 if (tcp->payload_seq.len &&
13276 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
13277 sizeof(tcp->payload_seq), &tcp->payload_seq))
13280 if (tcp->payload_tok.len &&
13281 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
13282 sizeof(tcp->payload_tok) + tcp->tokens_size,
13283 &tcp->payload_tok))
13286 nla_nest_end(msg, nl_tcp);
13291 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
13292 struct cfg80211_sched_scan_request *req)
13294 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
13300 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
13304 if (req->n_scan_plans == 1 &&
13305 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
13306 req->scan_plans[0].interval * 1000))
13309 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
13312 if (req->relative_rssi_set) {
13313 struct nl80211_bss_select_rssi_adjust rssi_adjust;
13315 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
13316 req->relative_rssi))
13319 rssi_adjust.band = req->rssi_adjust.band;
13320 rssi_adjust.delta = req->rssi_adjust.delta;
13321 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
13322 sizeof(rssi_adjust), &rssi_adjust))
13326 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
13330 for (i = 0; i < req->n_channels; i++) {
13331 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
13335 nla_nest_end(msg, freqs);
13337 if (req->n_match_sets) {
13338 matches = nla_nest_start_noflag(msg,
13339 NL80211_ATTR_SCHED_SCAN_MATCH);
13343 for (i = 0; i < req->n_match_sets; i++) {
13344 match = nla_nest_start_noflag(msg, i);
13348 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
13349 req->match_sets[i].ssid.ssid_len,
13350 req->match_sets[i].ssid.ssid))
13352 nla_nest_end(msg, match);
13354 nla_nest_end(msg, matches);
13357 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
13361 for (i = 0; i < req->n_scan_plans; i++) {
13362 scan_plan = nla_nest_start_noflag(msg, i + 1);
13366 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
13367 req->scan_plans[i].interval) ||
13368 (req->scan_plans[i].iterations &&
13369 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
13370 req->scan_plans[i].iterations)))
13372 nla_nest_end(msg, scan_plan);
13374 nla_nest_end(msg, scan_plans);
13376 nla_nest_end(msg, nd);
13381 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
13383 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13384 struct sk_buff *msg;
13386 u32 size = NLMSG_DEFAULT_SIZE;
13388 if (!rdev->wiphy.wowlan)
13389 return -EOPNOTSUPP;
13391 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
13392 /* adjust size to have room for all the data */
13393 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
13394 rdev->wiphy.wowlan_config->tcp->payload_len +
13395 rdev->wiphy.wowlan_config->tcp->wake_len +
13396 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
13399 msg = nlmsg_new(size, GFP_KERNEL);
13403 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13404 NL80211_CMD_GET_WOWLAN);
13406 goto nla_put_failure;
13408 if (rdev->wiphy.wowlan_config) {
13409 struct nlattr *nl_wowlan;
13411 nl_wowlan = nla_nest_start_noflag(msg,
13412 NL80211_ATTR_WOWLAN_TRIGGERS);
13414 goto nla_put_failure;
13416 if ((rdev->wiphy.wowlan_config->any &&
13417 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
13418 (rdev->wiphy.wowlan_config->disconnect &&
13419 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
13420 (rdev->wiphy.wowlan_config->magic_pkt &&
13421 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
13422 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
13423 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
13424 (rdev->wiphy.wowlan_config->eap_identity_req &&
13425 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
13426 (rdev->wiphy.wowlan_config->four_way_handshake &&
13427 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
13428 (rdev->wiphy.wowlan_config->rfkill_release &&
13429 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
13430 goto nla_put_failure;
13432 if (nl80211_send_wowlan_patterns(msg, rdev))
13433 goto nla_put_failure;
13435 if (nl80211_send_wowlan_tcp(msg,
13436 rdev->wiphy.wowlan_config->tcp))
13437 goto nla_put_failure;
13439 if (nl80211_send_wowlan_nd(
13441 rdev->wiphy.wowlan_config->nd_config))
13442 goto nla_put_failure;
13444 nla_nest_end(msg, nl_wowlan);
13447 genlmsg_end(msg, hdr);
13448 return genlmsg_reply(msg, info);
13455 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
13456 struct nlattr *attr,
13457 struct cfg80211_wowlan *trig)
13459 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
13460 struct cfg80211_wowlan_tcp *cfg;
13461 struct nl80211_wowlan_tcp_data_token *tok = NULL;
13462 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
13464 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
13467 if (!rdev->wiphy.wowlan->tcp)
13470 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
13471 nl80211_wowlan_tcp_policy, NULL);
13475 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
13476 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
13477 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
13478 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
13479 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
13480 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
13481 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
13482 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
13485 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
13486 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
13489 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
13490 rdev->wiphy.wowlan->tcp->data_interval_max ||
13491 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
13494 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
13495 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
13498 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
13499 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
13502 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
13503 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13505 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13506 tokens_size = tokln - sizeof(*tok);
13508 if (!tok->len || tokens_size % tok->len)
13510 if (!rdev->wiphy.wowlan->tcp->tok)
13512 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
13514 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
13516 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
13518 if (tok->offset + tok->len > data_size)
13522 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
13523 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
13524 if (!rdev->wiphy.wowlan->tcp->seq)
13526 if (seq->len == 0 || seq->len > 4)
13528 if (seq->len + seq->offset > data_size)
13532 size = sizeof(*cfg);
13534 size += wake_size + wake_mask_size;
13535 size += tokens_size;
13537 cfg = kzalloc(size, GFP_KERNEL);
13540 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
13541 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
13542 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
13544 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
13545 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
13549 /* allocate a socket and port for it and use it */
13550 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
13551 IPPROTO_TCP, &cfg->sock, 1);
13556 if (inet_csk_get_port(cfg->sock->sk, port)) {
13557 sock_release(cfg->sock);
13559 return -EADDRINUSE;
13561 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
13567 cfg->src_port = port;
13570 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
13571 cfg->payload_len = data_size;
13572 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
13573 memcpy((void *)cfg->payload,
13574 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
13577 cfg->payload_seq = *seq;
13578 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
13579 cfg->wake_len = wake_size;
13580 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
13581 memcpy((void *)cfg->wake_data,
13582 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
13584 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
13585 data_size + wake_size;
13586 memcpy((void *)cfg->wake_mask,
13587 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
13590 cfg->tokens_size = tokens_size;
13591 cfg->payload_tok = *tok;
13592 memcpy(cfg->payload_tok.token_stream, tok->token_stream,
13601 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
13602 const struct wiphy_wowlan_support *wowlan,
13603 struct nlattr *attr,
13604 struct cfg80211_wowlan *trig)
13606 struct nlattr **tb;
13609 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
13613 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
13618 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
13619 nl80211_policy, NULL);
13623 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
13624 wowlan->max_nd_match_sets);
13625 err = PTR_ERR_OR_ZERO(trig->nd_config);
13627 trig->nd_config = NULL;
13634 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
13636 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13637 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
13638 struct cfg80211_wowlan new_triggers = {};
13639 struct cfg80211_wowlan *ntrig;
13640 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
13642 bool prev_enabled = rdev->wiphy.wowlan_config;
13643 bool regular = false;
13646 return -EOPNOTSUPP;
13648 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
13649 cfg80211_rdev_free_wowlan(rdev);
13650 rdev->wiphy.wowlan_config = NULL;
13654 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
13655 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
13656 nl80211_wowlan_policy, info->extack);
13660 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
13661 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
13663 new_triggers.any = true;
13666 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
13667 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
13669 new_triggers.disconnect = true;
13673 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
13674 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
13676 new_triggers.magic_pkt = true;
13680 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
13683 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
13684 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
13686 new_triggers.gtk_rekey_failure = true;
13690 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
13691 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
13693 new_triggers.eap_identity_req = true;
13697 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
13698 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
13700 new_triggers.four_way_handshake = true;
13704 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
13705 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
13707 new_triggers.rfkill_release = true;
13711 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
13712 struct nlattr *pat;
13713 int n_patterns = 0;
13714 int rem, pat_len, mask_len, pkt_offset;
13715 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13719 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13722 if (n_patterns > wowlan->n_patterns)
13725 new_triggers.patterns = kcalloc(n_patterns,
13726 sizeof(new_triggers.patterns[0]),
13728 if (!new_triggers.patterns)
13731 new_triggers.n_patterns = n_patterns;
13734 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13738 err = nla_parse_nested_deprecated(pat_tb,
13739 MAX_NL80211_PKTPAT,
13741 nl80211_packet_pattern_policy,
13747 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13748 !pat_tb[NL80211_PKTPAT_PATTERN])
13750 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
13751 mask_len = DIV_ROUND_UP(pat_len, 8);
13752 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
13754 if (pat_len > wowlan->pattern_max_len ||
13755 pat_len < wowlan->pattern_min_len)
13758 if (!pat_tb[NL80211_PKTPAT_OFFSET])
13761 pkt_offset = nla_get_u32(
13762 pat_tb[NL80211_PKTPAT_OFFSET]);
13763 if (pkt_offset > wowlan->max_pkt_offset)
13765 new_triggers.patterns[i].pkt_offset = pkt_offset;
13767 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13772 new_triggers.patterns[i].mask = mask_pat;
13773 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
13775 mask_pat += mask_len;
13776 new_triggers.patterns[i].pattern = mask_pat;
13777 new_triggers.patterns[i].pattern_len = pat_len;
13779 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
13785 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
13787 err = nl80211_parse_wowlan_tcp(
13788 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
13794 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
13796 err = nl80211_parse_wowlan_nd(
13797 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
13803 /* The 'any' trigger means the device continues operating more or less
13804 * as in its normal operation mode and wakes up the host on most of the
13805 * normal interrupts (like packet RX, ...)
13806 * It therefore makes little sense to combine with the more constrained
13807 * wakeup trigger modes.
13809 if (new_triggers.any && regular) {
13814 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
13819 cfg80211_rdev_free_wowlan(rdev);
13820 rdev->wiphy.wowlan_config = ntrig;
13823 if (rdev->ops->set_wakeup &&
13824 prev_enabled != !!rdev->wiphy.wowlan_config)
13825 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
13829 for (i = 0; i < new_triggers.n_patterns; i++)
13830 kfree(new_triggers.patterns[i].mask);
13831 kfree(new_triggers.patterns);
13832 if (new_triggers.tcp && new_triggers.tcp->sock)
13833 sock_release(new_triggers.tcp->sock);
13834 kfree(new_triggers.tcp);
13835 kfree(new_triggers.nd_config);
13840 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
13841 struct cfg80211_registered_device *rdev)
13843 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
13845 struct cfg80211_coalesce_rules *rule;
13847 if (!rdev->coalesce->n_rules)
13850 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
13854 for (i = 0; i < rdev->coalesce->n_rules; i++) {
13855 nl_rule = nla_nest_start_noflag(msg, i + 1);
13859 rule = &rdev->coalesce->rules[i];
13860 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
13864 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
13868 nl_pats = nla_nest_start_noflag(msg,
13869 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
13873 for (j = 0; j < rule->n_patterns; j++) {
13874 nl_pat = nla_nest_start_noflag(msg, j + 1);
13877 pat_len = rule->patterns[j].pattern_len;
13878 if (nla_put(msg, NL80211_PKTPAT_MASK,
13879 DIV_ROUND_UP(pat_len, 8),
13880 rule->patterns[j].mask) ||
13881 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13882 rule->patterns[j].pattern) ||
13883 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
13884 rule->patterns[j].pkt_offset))
13886 nla_nest_end(msg, nl_pat);
13888 nla_nest_end(msg, nl_pats);
13889 nla_nest_end(msg, nl_rule);
13891 nla_nest_end(msg, nl_rules);
13896 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
13898 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13899 struct sk_buff *msg;
13902 if (!rdev->wiphy.coalesce)
13903 return -EOPNOTSUPP;
13905 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13909 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13910 NL80211_CMD_GET_COALESCE);
13912 goto nla_put_failure;
13914 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
13915 goto nla_put_failure;
13917 genlmsg_end(msg, hdr);
13918 return genlmsg_reply(msg, info);
13925 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
13927 struct cfg80211_coalesce *coalesce = rdev->coalesce;
13929 struct cfg80211_coalesce_rules *rule;
13934 for (i = 0; i < coalesce->n_rules; i++) {
13935 rule = &coalesce->rules[i];
13936 for (j = 0; j < rule->n_patterns; j++)
13937 kfree(rule->patterns[j].mask);
13938 kfree(rule->patterns);
13940 kfree(coalesce->rules);
13942 rdev->coalesce = NULL;
13945 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
13946 struct nlattr *rule,
13947 struct cfg80211_coalesce_rules *new_rule)
13950 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13951 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
13952 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
13953 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13955 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
13956 rule, nl80211_coalesce_policy, NULL);
13960 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
13962 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
13963 if (new_rule->delay > coalesce->max_delay)
13966 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
13967 new_rule->condition =
13968 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
13970 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
13973 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13976 if (n_patterns > coalesce->n_patterns)
13979 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
13981 if (!new_rule->patterns)
13984 new_rule->n_patterns = n_patterns;
13987 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13991 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
13993 nl80211_packet_pattern_policy,
13998 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13999 !pat_tb[NL80211_PKTPAT_PATTERN])
14001 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
14002 mask_len = DIV_ROUND_UP(pat_len, 8);
14003 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
14005 if (pat_len > coalesce->pattern_max_len ||
14006 pat_len < coalesce->pattern_min_len)
14009 if (!pat_tb[NL80211_PKTPAT_OFFSET])
14012 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
14013 if (pkt_offset > coalesce->max_pkt_offset)
14015 new_rule->patterns[i].pkt_offset = pkt_offset;
14017 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
14021 new_rule->patterns[i].mask = mask_pat;
14022 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
14025 mask_pat += mask_len;
14026 new_rule->patterns[i].pattern = mask_pat;
14027 new_rule->patterns[i].pattern_len = pat_len;
14028 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
14036 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
14038 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14039 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
14040 struct cfg80211_coalesce new_coalesce = {};
14041 struct cfg80211_coalesce *n_coalesce;
14042 int err, rem_rule, n_rules = 0, i, j;
14043 struct nlattr *rule;
14044 struct cfg80211_coalesce_rules *tmp_rule;
14046 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
14047 return -EOPNOTSUPP;
14049 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
14050 cfg80211_rdev_free_coalesce(rdev);
14051 rdev_set_coalesce(rdev, NULL);
14055 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
14058 if (n_rules > coalesce->n_rules)
14061 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
14063 if (!new_coalesce.rules)
14066 new_coalesce.n_rules = n_rules;
14069 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
14071 err = nl80211_parse_coalesce_rule(rdev, rule,
14072 &new_coalesce.rules[i]);
14079 err = rdev_set_coalesce(rdev, &new_coalesce);
14083 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
14088 cfg80211_rdev_free_coalesce(rdev);
14089 rdev->coalesce = n_coalesce;
14093 for (i = 0; i < new_coalesce.n_rules; i++) {
14094 tmp_rule = &new_coalesce.rules[i];
14095 for (j = 0; j < tmp_rule->n_patterns; j++)
14096 kfree(tmp_rule->patterns[j].mask);
14097 kfree(tmp_rule->patterns);
14099 kfree(new_coalesce.rules);
14104 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
14106 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14107 struct net_device *dev = info->user_ptr[1];
14108 struct wireless_dev *wdev = dev->ieee80211_ptr;
14109 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
14110 struct cfg80211_gtk_rekey_data rekey_data = {};
14113 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
14116 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
14117 info->attrs[NL80211_ATTR_REKEY_DATA],
14118 nl80211_rekey_policy, info->extack);
14122 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
14123 !tb[NL80211_REKEY_DATA_KCK])
14125 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
14126 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
14127 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
14129 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
14130 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
14131 nla_len(tb[NL80211_REKEY_DATA_KCK]) == NL80211_KCK_EXT_LEN) &&
14132 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KCK_32 &&
14133 nla_len(tb[NL80211_REKEY_DATA_KCK]) == NL80211_KCK_EXT_LEN_32))
14136 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
14137 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
14138 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
14139 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
14140 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
14141 if (tb[NL80211_REKEY_DATA_AKM])
14142 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
14144 if (!wdev->connected)
14147 if (!rdev->ops->set_rekey_data)
14148 return -EOPNOTSUPP;
14150 return rdev_set_rekey_data(rdev, dev, &rekey_data);
14153 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
14154 struct genl_info *info)
14156 struct net_device *dev = info->user_ptr[1];
14157 struct wireless_dev *wdev = dev->ieee80211_ptr;
14159 if (wdev->iftype != NL80211_IFTYPE_AP &&
14160 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14163 if (wdev->ap_unexpected_nlportid)
14166 wdev->ap_unexpected_nlportid = info->snd_portid;
14170 static int nl80211_probe_client(struct sk_buff *skb,
14171 struct genl_info *info)
14173 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14174 struct net_device *dev = info->user_ptr[1];
14175 struct wireless_dev *wdev = dev->ieee80211_ptr;
14176 struct sk_buff *msg;
14182 if (wdev->iftype != NL80211_IFTYPE_AP &&
14183 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14184 return -EOPNOTSUPP;
14186 if (!info->attrs[NL80211_ATTR_MAC])
14189 if (!rdev->ops->probe_client)
14190 return -EOPNOTSUPP;
14192 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14196 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14197 NL80211_CMD_PROBE_CLIENT);
14203 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14205 err = rdev_probe_client(rdev, dev, addr, &cookie);
14209 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14211 goto nla_put_failure;
14213 genlmsg_end(msg, hdr);
14215 return genlmsg_reply(msg, info);
14224 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
14226 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14227 struct cfg80211_beacon_registration *reg, *nreg;
14230 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
14231 return -EOPNOTSUPP;
14233 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
14237 /* First, check if already registered. */
14238 spin_lock_bh(&rdev->beacon_registrations_lock);
14239 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
14240 if (reg->nlportid == info->snd_portid) {
14245 /* Add it to the list */
14246 nreg->nlportid = info->snd_portid;
14247 list_add(&nreg->list, &rdev->beacon_registrations);
14249 spin_unlock_bh(&rdev->beacon_registrations_lock);
14253 spin_unlock_bh(&rdev->beacon_registrations_lock);
14258 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
14260 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14261 struct wireless_dev *wdev = info->user_ptr[1];
14264 if (!rdev->ops->start_p2p_device)
14265 return -EOPNOTSUPP;
14267 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
14268 return -EOPNOTSUPP;
14270 if (wdev_running(wdev))
14273 if (rfkill_blocked(rdev->wiphy.rfkill))
14276 err = rdev_start_p2p_device(rdev, wdev);
14280 wdev->is_running = true;
14286 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
14288 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14289 struct wireless_dev *wdev = info->user_ptr[1];
14291 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
14292 return -EOPNOTSUPP;
14294 if (!rdev->ops->stop_p2p_device)
14295 return -EOPNOTSUPP;
14297 cfg80211_stop_p2p_device(rdev, wdev);
14302 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
14304 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14305 struct wireless_dev *wdev = info->user_ptr[1];
14306 struct cfg80211_nan_conf conf = {};
14309 if (wdev->iftype != NL80211_IFTYPE_NAN)
14310 return -EOPNOTSUPP;
14312 if (wdev_running(wdev))
14315 if (rfkill_blocked(rdev->wiphy.rfkill))
14318 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
14322 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14324 if (info->attrs[NL80211_ATTR_BANDS]) {
14325 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14327 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14328 return -EOPNOTSUPP;
14330 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14333 conf.bands = bands;
14336 err = rdev_start_nan(rdev, wdev, &conf);
14340 wdev->is_running = true;
14346 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
14348 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14349 struct wireless_dev *wdev = info->user_ptr[1];
14351 if (wdev->iftype != NL80211_IFTYPE_NAN)
14352 return -EOPNOTSUPP;
14354 cfg80211_stop_nan(rdev, wdev);
14359 static int validate_nan_filter(struct nlattr *filter_attr)
14361 struct nlattr *attr;
14362 int len = 0, n_entries = 0, rem;
14364 nla_for_each_nested(attr, filter_attr, rem) {
14365 len += nla_len(attr);
14375 static int handle_nan_filter(struct nlattr *attr_filter,
14376 struct cfg80211_nan_func *func,
14379 struct nlattr *attr;
14380 int n_entries, rem, i;
14381 struct cfg80211_nan_func_filter *filter;
14383 n_entries = validate_nan_filter(attr_filter);
14387 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
14389 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
14394 nla_for_each_nested(attr, attr_filter, rem) {
14395 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
14396 if (!filter[i].filter)
14399 filter[i].len = nla_len(attr);
14403 func->num_tx_filters = n_entries;
14404 func->tx_filters = filter;
14406 func->num_rx_filters = n_entries;
14407 func->rx_filters = filter;
14414 nla_for_each_nested(attr, attr_filter, rem) {
14415 kfree(filter[i].filter);
14422 static int nl80211_nan_add_func(struct sk_buff *skb,
14423 struct genl_info *info)
14425 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14426 struct wireless_dev *wdev = info->user_ptr[1];
14427 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
14428 struct cfg80211_nan_func *func;
14429 struct sk_buff *msg = NULL;
14433 if (wdev->iftype != NL80211_IFTYPE_NAN)
14434 return -EOPNOTSUPP;
14436 if (!wdev_running(wdev))
14439 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
14442 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
14443 info->attrs[NL80211_ATTR_NAN_FUNC],
14444 nl80211_nan_func_policy,
14449 func = kzalloc(sizeof(*func), GFP_KERNEL);
14453 func->cookie = cfg80211_assign_cookie(rdev);
14455 if (!tb[NL80211_NAN_FUNC_TYPE]) {
14461 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
14463 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
14468 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
14469 sizeof(func->service_id));
14471 func->close_range =
14472 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
14474 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
14475 func->serv_spec_info_len =
14476 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
14477 func->serv_spec_info =
14478 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
14479 func->serv_spec_info_len,
14481 if (!func->serv_spec_info) {
14487 if (tb[NL80211_NAN_FUNC_TTL])
14488 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
14490 switch (func->type) {
14491 case NL80211_NAN_FUNC_PUBLISH:
14492 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
14497 func->publish_type =
14498 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
14499 func->publish_bcast =
14500 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
14502 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
14503 func->publish_bcast) {
14508 case NL80211_NAN_FUNC_SUBSCRIBE:
14509 func->subscribe_active =
14510 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
14512 case NL80211_NAN_FUNC_FOLLOW_UP:
14513 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
14514 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
14515 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
14520 func->followup_id =
14521 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
14522 func->followup_reqid =
14523 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
14524 memcpy(func->followup_dest.addr,
14525 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
14526 sizeof(func->followup_dest.addr));
14537 if (tb[NL80211_NAN_FUNC_SRF]) {
14538 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
14540 err = nla_parse_nested_deprecated(srf_tb,
14541 NL80211_NAN_SRF_ATTR_MAX,
14542 tb[NL80211_NAN_FUNC_SRF],
14543 nl80211_nan_srf_policy,
14548 func->srf_include =
14549 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
14551 if (srf_tb[NL80211_NAN_SRF_BF]) {
14552 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
14553 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
14559 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
14561 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
14562 func->srf_bf_len, GFP_KERNEL);
14563 if (!func->srf_bf) {
14569 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
14571 struct nlattr *attr, *mac_attr =
14572 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
14573 int n_entries, rem, i = 0;
14580 n_entries = validate_acl_mac_addrs(mac_attr);
14581 if (n_entries <= 0) {
14586 func->srf_num_macs = n_entries;
14588 kcalloc(n_entries, sizeof(*func->srf_macs),
14590 if (!func->srf_macs) {
14595 nla_for_each_nested(attr, mac_attr, rem)
14596 memcpy(func->srf_macs[i++].addr, nla_data(attr),
14597 sizeof(*func->srf_macs));
14601 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
14602 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
14608 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
14609 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
14615 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14621 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14622 NL80211_CMD_ADD_NAN_FUNCTION);
14623 /* This can't really happen - we just allocated 4KB */
14624 if (WARN_ON(!hdr)) {
14629 err = rdev_add_nan_func(rdev, wdev, func);
14632 cfg80211_free_nan_func(func);
14637 /* propagate the instance id and cookie to userspace */
14638 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
14640 goto nla_put_failure;
14642 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
14644 goto nla_put_failure;
14646 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
14647 func->instance_id))
14648 goto nla_put_failure;
14650 nla_nest_end(msg, func_attr);
14652 genlmsg_end(msg, hdr);
14653 return genlmsg_reply(msg, info);
14660 static int nl80211_nan_del_func(struct sk_buff *skb,
14661 struct genl_info *info)
14663 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14664 struct wireless_dev *wdev = info->user_ptr[1];
14667 if (wdev->iftype != NL80211_IFTYPE_NAN)
14668 return -EOPNOTSUPP;
14670 if (!wdev_running(wdev))
14673 if (!info->attrs[NL80211_ATTR_COOKIE])
14676 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
14678 rdev_del_nan_func(rdev, wdev, cookie);
14683 static int nl80211_nan_change_config(struct sk_buff *skb,
14684 struct genl_info *info)
14686 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14687 struct wireless_dev *wdev = info->user_ptr[1];
14688 struct cfg80211_nan_conf conf = {};
14691 if (wdev->iftype != NL80211_IFTYPE_NAN)
14692 return -EOPNOTSUPP;
14694 if (!wdev_running(wdev))
14697 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
14699 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14700 if (conf.master_pref <= 1 || conf.master_pref == 255)
14703 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
14706 if (info->attrs[NL80211_ATTR_BANDS]) {
14707 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14709 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14710 return -EOPNOTSUPP;
14712 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14715 conf.bands = bands;
14716 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
14722 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
14725 void cfg80211_nan_match(struct wireless_dev *wdev,
14726 struct cfg80211_nan_match_params *match, gfp_t gfp)
14728 struct wiphy *wiphy = wdev->wiphy;
14729 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14730 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
14731 struct sk_buff *msg;
14734 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
14737 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14741 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
14747 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14748 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14749 wdev->netdev->ifindex)) ||
14750 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14752 goto nla_put_failure;
14754 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
14755 NL80211_ATTR_PAD) ||
14756 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
14757 goto nla_put_failure;
14759 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
14761 goto nla_put_failure;
14763 local_func_attr = nla_nest_start_noflag(msg,
14764 NL80211_NAN_MATCH_FUNC_LOCAL);
14765 if (!local_func_attr)
14766 goto nla_put_failure;
14768 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
14769 goto nla_put_failure;
14771 nla_nest_end(msg, local_func_attr);
14773 peer_func_attr = nla_nest_start_noflag(msg,
14774 NL80211_NAN_MATCH_FUNC_PEER);
14775 if (!peer_func_attr)
14776 goto nla_put_failure;
14778 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
14779 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
14780 goto nla_put_failure;
14782 if (match->info && match->info_len &&
14783 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
14785 goto nla_put_failure;
14787 nla_nest_end(msg, peer_func_attr);
14788 nla_nest_end(msg, match_attr);
14789 genlmsg_end(msg, hdr);
14791 if (!wdev->owner_nlportid)
14792 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14793 msg, 0, NL80211_MCGRP_NAN, gfp);
14795 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14796 wdev->owner_nlportid);
14803 EXPORT_SYMBOL(cfg80211_nan_match);
14805 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
14807 enum nl80211_nan_func_term_reason reason,
14808 u64 cookie, gfp_t gfp)
14810 struct wiphy *wiphy = wdev->wiphy;
14811 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14812 struct sk_buff *msg;
14813 struct nlattr *func_attr;
14816 if (WARN_ON(!inst_id))
14819 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14823 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
14829 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14830 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14831 wdev->netdev->ifindex)) ||
14832 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14834 goto nla_put_failure;
14836 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14838 goto nla_put_failure;
14840 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
14842 goto nla_put_failure;
14844 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
14845 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
14846 goto nla_put_failure;
14848 nla_nest_end(msg, func_attr);
14849 genlmsg_end(msg, hdr);
14851 if (!wdev->owner_nlportid)
14852 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14853 msg, 0, NL80211_MCGRP_NAN, gfp);
14855 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14856 wdev->owner_nlportid);
14863 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
14865 static int nl80211_get_protocol_features(struct sk_buff *skb,
14866 struct genl_info *info)
14869 struct sk_buff *msg;
14871 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14875 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14876 NL80211_CMD_GET_PROTOCOL_FEATURES);
14878 goto nla_put_failure;
14880 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
14881 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
14882 goto nla_put_failure;
14884 genlmsg_end(msg, hdr);
14885 return genlmsg_reply(msg, info);
14892 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
14894 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14895 struct cfg80211_update_ft_ies_params ft_params;
14896 struct net_device *dev = info->user_ptr[1];
14898 if (!rdev->ops->update_ft_ies)
14899 return -EOPNOTSUPP;
14901 if (!info->attrs[NL80211_ATTR_MDID] ||
14902 !info->attrs[NL80211_ATTR_IE])
14905 memset(&ft_params, 0, sizeof(ft_params));
14906 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
14907 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14908 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14910 return rdev_update_ft_ies(rdev, dev, &ft_params);
14913 static int nl80211_crit_protocol_start(struct sk_buff *skb,
14914 struct genl_info *info)
14916 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14917 struct wireless_dev *wdev = info->user_ptr[1];
14918 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
14922 if (!rdev->ops->crit_proto_start)
14923 return -EOPNOTSUPP;
14925 if (WARN_ON(!rdev->ops->crit_proto_stop))
14928 if (rdev->crit_proto_nlportid)
14931 /* determine protocol if provided */
14932 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
14933 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
14935 if (proto >= NUM_NL80211_CRIT_PROTO)
14938 /* timeout must be provided */
14939 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
14943 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
14945 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
14947 rdev->crit_proto_nlportid = info->snd_portid;
14952 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
14953 struct genl_info *info)
14955 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14956 struct wireless_dev *wdev = info->user_ptr[1];
14958 if (!rdev->ops->crit_proto_stop)
14959 return -EOPNOTSUPP;
14961 if (rdev->crit_proto_nlportid) {
14962 rdev->crit_proto_nlportid = 0;
14963 rdev_crit_proto_stop(rdev, wdev);
14968 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
14969 struct nlattr *attr,
14970 struct netlink_ext_ack *extack)
14972 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
14973 if (attr->nla_type & NLA_F_NESTED) {
14974 NL_SET_ERR_MSG_ATTR(extack, attr,
14975 "unexpected nested data");
14982 if (!(attr->nla_type & NLA_F_NESTED)) {
14983 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
14987 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
14990 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
14992 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14993 struct wireless_dev *wdev =
14994 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
14999 if (!rdev->wiphy.vendor_commands)
15000 return -EOPNOTSUPP;
15002 if (IS_ERR(wdev)) {
15003 err = PTR_ERR(wdev);
15004 if (err != -EINVAL)
15007 } else if (wdev->wiphy != &rdev->wiphy) {
15011 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
15012 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
15015 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
15016 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
15017 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
15018 const struct wiphy_vendor_command *vcmd;
15022 vcmd = &rdev->wiphy.vendor_commands[i];
15024 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
15027 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
15028 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
15031 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
15035 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
15036 if (!wdev_running(wdev))
15044 return -EOPNOTSUPP;
15046 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
15047 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
15048 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
15050 err = nl80211_vendor_check_policy(vcmd,
15051 info->attrs[NL80211_ATTR_VENDOR_DATA],
15057 rdev->cur_cmd_info = info;
15058 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
15059 rdev->cur_cmd_info = NULL;
15063 return -EOPNOTSUPP;
15066 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
15067 struct netlink_callback *cb,
15068 struct cfg80211_registered_device **rdev,
15069 struct wireless_dev **wdev)
15071 struct nlattr **attrbuf;
15077 unsigned int data_len = 0;
15080 /* subtract the 1 again here */
15081 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
15082 struct wireless_dev *tmp;
15086 *rdev = wiphy_to_rdev(wiphy);
15090 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
15091 if (tmp->identifier == cb->args[1] - 1) {
15098 /* keep rtnl locked in successful case */
15102 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
15106 err = nlmsg_parse_deprecated(cb->nlh,
15107 GENL_HDRLEN + nl80211_fam.hdrsize,
15108 attrbuf, nl80211_fam.maxattr,
15109 nl80211_policy, NULL);
15113 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
15114 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
15119 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
15123 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
15124 if (IS_ERR(*rdev)) {
15125 err = PTR_ERR(*rdev);
15129 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
15130 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
15132 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
15133 const struct wiphy_vendor_command *vcmd;
15135 vcmd = &(*rdev)->wiphy.vendor_commands[i];
15137 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
15140 if (!vcmd->dumpit) {
15149 if (vcmd_idx < 0) {
15154 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
15155 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
15156 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
15158 err = nl80211_vendor_check_policy(
15159 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
15160 attrbuf[NL80211_ATTR_VENDOR_DATA],
15166 /* 0 is the first index - add 1 to parse only once */
15167 cb->args[0] = (*rdev)->wiphy_idx + 1;
15168 /* add 1 to know if it was NULL */
15169 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
15170 cb->args[2] = vcmd_idx;
15171 cb->args[3] = (unsigned long)data;
15172 cb->args[4] = data_len;
15174 /* keep rtnl locked in successful case */
15181 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
15182 struct netlink_callback *cb)
15184 struct cfg80211_registered_device *rdev;
15185 struct wireless_dev *wdev;
15186 unsigned int vcmd_idx;
15187 const struct wiphy_vendor_command *vcmd;
15191 struct nlattr *vendor_data;
15194 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
15198 vcmd_idx = cb->args[2];
15199 data = (void *)cb->args[3];
15200 data_len = cb->args[4];
15201 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
15203 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
15204 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
15209 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
15215 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
15216 if (!wdev_running(wdev)) {
15224 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
15225 cb->nlh->nlmsg_seq, NLM_F_MULTI,
15226 NL80211_CMD_VENDOR);
15230 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15231 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
15233 NL80211_ATTR_PAD))) {
15234 genlmsg_cancel(skb, hdr);
15238 vendor_data = nla_nest_start_noflag(skb,
15239 NL80211_ATTR_VENDOR_DATA);
15240 if (!vendor_data) {
15241 genlmsg_cancel(skb, hdr);
15245 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
15246 (unsigned long *)&cb->args[5]);
15247 nla_nest_end(skb, vendor_data);
15249 if (err == -ENOBUFS || err == -ENOENT) {
15250 genlmsg_cancel(skb, hdr);
15252 } else if (err <= 0) {
15253 genlmsg_cancel(skb, hdr);
15257 genlmsg_end(skb, hdr);
15266 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
15267 enum nl80211_commands cmd,
15268 enum nl80211_attrs attr,
15271 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15273 if (WARN_ON(!rdev->cur_cmd_info))
15276 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
15277 rdev->cur_cmd_info->snd_portid,
15278 rdev->cur_cmd_info->snd_seq,
15279 cmd, attr, NULL, GFP_KERNEL);
15281 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
15283 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
15285 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
15286 void *hdr = ((void **)skb->cb)[1];
15287 struct nlattr *data = ((void **)skb->cb)[2];
15289 /* clear CB data for netlink core to own from now on */
15290 memset(skb->cb, 0, sizeof(skb->cb));
15292 if (WARN_ON(!rdev->cur_cmd_info)) {
15297 nla_nest_end(skb, data);
15298 genlmsg_end(skb, hdr);
15299 return genlmsg_reply(skb, rdev->cur_cmd_info);
15301 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
15303 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
15305 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15307 if (WARN_ON(!rdev->cur_cmd_info))
15310 return rdev->cur_cmd_info->snd_portid;
15312 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
15314 static int nl80211_set_qos_map(struct sk_buff *skb,
15315 struct genl_info *info)
15317 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15318 struct cfg80211_qos_map *qos_map = NULL;
15319 struct net_device *dev = info->user_ptr[1];
15320 u8 *pos, len, num_des, des_len, des;
15323 if (!rdev->ops->set_qos_map)
15324 return -EOPNOTSUPP;
15326 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
15327 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
15328 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
15333 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
15337 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
15339 des_len = num_des *
15340 sizeof(struct cfg80211_dscp_exception);
15341 memcpy(qos_map->dscp_exception, pos, des_len);
15342 qos_map->num_des = num_des;
15343 for (des = 0; des < num_des; des++) {
15344 if (qos_map->dscp_exception[des].up > 7) {
15351 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
15354 ret = nl80211_key_allowed(dev->ieee80211_ptr);
15356 ret = rdev_set_qos_map(rdev, dev, qos_map);
15362 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
15364 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15365 struct net_device *dev = info->user_ptr[1];
15366 struct wireless_dev *wdev = dev->ieee80211_ptr;
15369 u16 admitted_time = 0;
15371 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
15372 return -EOPNOTSUPP;
15374 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
15375 !info->attrs[NL80211_ATTR_USER_PRIO])
15378 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15379 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
15381 /* WMM uses TIDs 0-7 even for TSPEC */
15382 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
15383 /* TODO: handle 802.11 TSPEC/admission control
15384 * need more attributes for that (e.g. BA session requirement);
15385 * change the WMM adminssion test above to allow both then
15390 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15392 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
15394 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
15395 if (!admitted_time)
15399 switch (wdev->iftype) {
15400 case NL80211_IFTYPE_STATION:
15401 case NL80211_IFTYPE_P2P_CLIENT:
15402 if (wdev->connected)
15406 return -EOPNOTSUPP;
15409 return rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
15412 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
15414 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15415 struct net_device *dev = info->user_ptr[1];
15419 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
15422 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15423 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15425 return rdev_del_tx_ts(rdev, dev, tsid, peer);
15428 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
15429 struct genl_info *info)
15431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15432 struct net_device *dev = info->user_ptr[1];
15433 struct wireless_dev *wdev = dev->ieee80211_ptr;
15434 struct cfg80211_chan_def chandef = {};
15439 if (!rdev->ops->tdls_channel_switch ||
15440 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15441 return -EOPNOTSUPP;
15443 switch (dev->ieee80211_ptr->iftype) {
15444 case NL80211_IFTYPE_STATION:
15445 case NL80211_IFTYPE_P2P_CLIENT:
15448 return -EOPNOTSUPP;
15451 if (!info->attrs[NL80211_ATTR_MAC] ||
15452 !info->attrs[NL80211_ATTR_OPER_CLASS])
15455 err = nl80211_parse_chandef(rdev, info, &chandef);
15460 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
15461 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
15462 * specification is not defined for them.
15464 if (chandef.chan->band == NL80211_BAND_2GHZ &&
15465 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
15466 chandef.width != NL80211_CHAN_WIDTH_20)
15469 /* we will be active on the TDLS link */
15470 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
15474 /* don't allow switching to DFS channels */
15475 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
15478 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15479 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
15481 return rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
15484 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
15485 struct genl_info *info)
15487 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15488 struct net_device *dev = info->user_ptr[1];
15491 if (!rdev->ops->tdls_channel_switch ||
15492 !rdev->ops->tdls_cancel_channel_switch ||
15493 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15494 return -EOPNOTSUPP;
15496 switch (dev->ieee80211_ptr->iftype) {
15497 case NL80211_IFTYPE_STATION:
15498 case NL80211_IFTYPE_P2P_CLIENT:
15501 return -EOPNOTSUPP;
15504 if (!info->attrs[NL80211_ATTR_MAC])
15507 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15509 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
15514 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
15515 struct genl_info *info)
15517 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15518 struct net_device *dev = info->user_ptr[1];
15519 struct wireless_dev *wdev = dev->ieee80211_ptr;
15520 const struct nlattr *nla;
15523 if (!rdev->ops->set_multicast_to_unicast)
15524 return -EOPNOTSUPP;
15526 if (wdev->iftype != NL80211_IFTYPE_AP &&
15527 wdev->iftype != NL80211_IFTYPE_P2P_GO)
15528 return -EOPNOTSUPP;
15530 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
15531 enabled = nla_get_flag(nla);
15533 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
15536 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
15538 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15539 struct net_device *dev = info->user_ptr[1];
15540 struct wireless_dev *wdev = dev->ieee80211_ptr;
15541 struct cfg80211_pmk_conf pmk_conf = {};
15543 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15544 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15545 return -EOPNOTSUPP;
15547 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15548 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15549 return -EOPNOTSUPP;
15551 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
15554 if (!wdev->connected)
15557 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
15558 if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN))
15561 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
15562 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
15563 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
15564 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192)
15567 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
15568 pmk_conf.pmk_r0_name =
15569 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
15571 return rdev_set_pmk(rdev, dev, &pmk_conf);
15574 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
15576 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15577 struct net_device *dev = info->user_ptr[1];
15578 struct wireless_dev *wdev = dev->ieee80211_ptr;
15581 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15582 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15583 return -EOPNOTSUPP;
15585 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15586 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15587 return -EOPNOTSUPP;
15589 if (!info->attrs[NL80211_ATTR_MAC])
15592 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
15593 return rdev_del_pmk(rdev, dev, aa);
15596 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
15598 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15599 struct net_device *dev = info->user_ptr[1];
15600 struct cfg80211_external_auth_params params;
15602 if (!rdev->ops->external_auth)
15603 return -EOPNOTSUPP;
15605 if (!info->attrs[NL80211_ATTR_SSID] &&
15606 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
15607 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
15610 if (!info->attrs[NL80211_ATTR_BSSID])
15613 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
15616 memset(¶ms, 0, sizeof(params));
15618 if (info->attrs[NL80211_ATTR_SSID]) {
15619 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
15620 if (params.ssid.ssid_len == 0)
15622 memcpy(params.ssid.ssid,
15623 nla_data(info->attrs[NL80211_ATTR_SSID]),
15624 params.ssid.ssid_len);
15627 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
15630 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15632 if (info->attrs[NL80211_ATTR_PMKID])
15633 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
15635 return rdev_external_auth(rdev, dev, ¶ms);
15638 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
15640 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
15641 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15642 struct net_device *dev = info->user_ptr[1];
15643 struct wireless_dev *wdev = dev->ieee80211_ptr;
15653 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15654 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
15655 return -EOPNOTSUPP;
15657 if (!rdev->ops->tx_control_port)
15658 return -EOPNOTSUPP;
15660 if (!info->attrs[NL80211_ATTR_FRAME] ||
15661 !info->attrs[NL80211_ATTR_MAC] ||
15662 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
15663 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
15667 switch (wdev->iftype) {
15668 case NL80211_IFTYPE_AP:
15669 case NL80211_IFTYPE_P2P_GO:
15670 case NL80211_IFTYPE_MESH_POINT:
15672 case NL80211_IFTYPE_ADHOC:
15673 if (wdev->u.ibss.current_bss)
15676 case NL80211_IFTYPE_STATION:
15677 case NL80211_IFTYPE_P2P_CLIENT:
15678 if (wdev->connected)
15682 return -EOPNOTSUPP;
15685 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15686 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15687 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15688 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
15690 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
15692 link_id = nl80211_link_id_or_invalid(info->attrs);
15694 err = rdev_tx_control_port(rdev, dev, buf, len,
15695 dest, cpu_to_be16(proto), noencrypt, link_id,
15696 dont_wait_for_ack ? NULL : &cookie);
15697 if (!err && !dont_wait_for_ack)
15698 nl_set_extack_cookie_u64(info->extack, cookie);
15702 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
15703 struct genl_info *info)
15705 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15706 struct net_device *dev = info->user_ptr[1];
15707 struct wireless_dev *wdev = dev->ieee80211_ptr;
15708 struct cfg80211_ftm_responder_stats ftm_stats = {};
15709 unsigned int link_id = nl80211_link_id(info->attrs);
15710 struct sk_buff *msg;
15712 struct nlattr *ftm_stats_attr;
15715 if (wdev->iftype != NL80211_IFTYPE_AP ||
15716 !wdev->links[link_id].ap.beacon_interval)
15717 return -EOPNOTSUPP;
15719 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
15723 if (!ftm_stats.filled)
15726 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15730 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
15731 NL80211_CMD_GET_FTM_RESPONDER_STATS);
15733 goto nla_put_failure;
15735 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15736 goto nla_put_failure;
15738 ftm_stats_attr = nla_nest_start_noflag(msg,
15739 NL80211_ATTR_FTM_RESPONDER_STATS);
15740 if (!ftm_stats_attr)
15741 goto nla_put_failure;
15743 #define SET_FTM(field, name, type) \
15744 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15745 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
15746 ftm_stats.field)) \
15747 goto nla_put_failure; } while (0)
15748 #define SET_FTM_U64(field, name) \
15749 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15750 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
15751 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
15752 goto nla_put_failure; } while (0)
15754 SET_FTM(success_num, SUCCESS_NUM, u32);
15755 SET_FTM(partial_num, PARTIAL_NUM, u32);
15756 SET_FTM(failed_num, FAILED_NUM, u32);
15757 SET_FTM(asap_num, ASAP_NUM, u32);
15758 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
15759 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
15760 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
15761 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
15762 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
15765 nla_nest_end(msg, ftm_stats_attr);
15767 genlmsg_end(msg, hdr);
15768 return genlmsg_reply(msg, info);
15775 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
15777 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15778 struct cfg80211_update_owe_info owe_info;
15779 struct net_device *dev = info->user_ptr[1];
15781 if (!rdev->ops->update_owe_info)
15782 return -EOPNOTSUPP;
15784 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
15785 !info->attrs[NL80211_ATTR_MAC])
15788 memset(&owe_info, 0, sizeof(owe_info));
15789 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15790 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
15792 if (info->attrs[NL80211_ATTR_IE]) {
15793 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
15794 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
15797 return rdev_update_owe_info(rdev, dev, &owe_info);
15800 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
15802 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15803 struct net_device *dev = info->user_ptr[1];
15804 struct wireless_dev *wdev = dev->ieee80211_ptr;
15805 struct station_info sinfo = {};
15811 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
15812 return -EOPNOTSUPP;
15814 if (!info->attrs[NL80211_ATTR_MAC] ||
15815 !info->attrs[NL80211_ATTR_FRAME]) {
15816 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
15820 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
15821 return -EOPNOTSUPP;
15823 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15824 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15825 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15827 if (len < sizeof(struct ethhdr))
15830 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
15831 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
15834 err = rdev_get_station(rdev, dev, dest, &sinfo);
15838 cfg80211_sinfo_release_content(&sinfo);
15840 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
15843 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
15844 struct nlattr *attrs[], struct net_device *dev,
15845 struct cfg80211_tid_cfg *tid_conf,
15846 struct genl_info *info, const u8 *peer,
15847 unsigned int link_id)
15849 struct netlink_ext_ack *extack = info->extack;
15853 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
15856 tid_conf->config_override =
15857 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
15858 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
15860 if (tid_conf->config_override) {
15861 if (rdev->ops->reset_tid_config) {
15862 err = rdev_reset_tid_config(rdev, dev, peer,
15871 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
15872 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
15874 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
15877 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
15878 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
15879 tid_conf->retry_short =
15880 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
15882 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
15886 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
15887 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
15888 tid_conf->retry_long =
15889 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
15891 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
15895 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
15896 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
15898 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
15901 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
15902 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
15904 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
15907 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
15908 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
15910 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
15913 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
15914 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
15916 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
15918 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
15919 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
15920 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
15921 &tid_conf->txrate_mask, dev,
15926 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
15928 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
15932 mask = rdev->wiphy.tid_config_support.peer;
15934 mask = rdev->wiphy.tid_config_support.vif;
15936 if (tid_conf->mask & ~mask) {
15937 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
15938 return -EOPNOTSUPP;
15944 static int nl80211_set_tid_config(struct sk_buff *skb,
15945 struct genl_info *info)
15947 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15948 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
15949 unsigned int link_id = nl80211_link_id(info->attrs);
15950 struct net_device *dev = info->user_ptr[1];
15951 struct cfg80211_tid_config *tid_config;
15952 struct nlattr *tid;
15953 int conf_idx = 0, rem_conf;
15957 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
15960 if (!rdev->ops->set_tid_config)
15961 return -EOPNOTSUPP;
15963 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15967 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
15972 tid_config->n_tid_conf = num_conf;
15974 if (info->attrs[NL80211_ATTR_MAC])
15975 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15977 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15979 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
15985 ret = parse_tid_conf(rdev, attrs, dev,
15986 &tid_config->tid_conf[conf_idx],
15987 info, tid_config->peer, link_id);
15994 ret = rdev_set_tid_config(rdev, dev, tid_config);
16001 static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info)
16003 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16004 struct cfg80211_color_change_settings params = {};
16005 struct net_device *dev = info->user_ptr[1];
16006 struct wireless_dev *wdev = dev->ieee80211_ptr;
16007 struct nlattr **tb;
16011 if (!rdev->ops->color_change)
16012 return -EOPNOTSUPP;
16014 if (!wiphy_ext_feature_isset(&rdev->wiphy,
16015 NL80211_EXT_FEATURE_BSS_COLOR))
16016 return -EOPNOTSUPP;
16018 if (wdev->iftype != NL80211_IFTYPE_AP)
16019 return -EOPNOTSUPP;
16021 if (!info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT] ||
16022 !info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR] ||
16023 !info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS])
16026 params.count = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT]);
16027 params.color = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR]);
16029 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_next,
16034 tb = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*tb), GFP_KERNEL);
16038 err = nla_parse_nested(tb, NL80211_ATTR_MAX,
16039 info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS],
16040 nl80211_policy, info->extack);
16044 err = nl80211_parse_beacon(rdev, tb, ¶ms.beacon_color_change,
16049 if (!tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
16054 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) != sizeof(u16)) {
16059 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
16060 if (offset >= params.beacon_color_change.tail_len) {
16065 if (params.beacon_color_change.tail[offset] != params.count) {
16070 params.counter_offset_beacon = offset;
16072 if (tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
16073 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) !=
16079 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
16080 if (offset >= params.beacon_color_change.probe_resp_len) {
16085 if (params.beacon_color_change.probe_resp[offset] !=
16091 params.counter_offset_presp = offset;
16094 err = rdev_color_change(rdev, dev, ¶ms);
16097 kfree(params.beacon_next.mbssid_ies);
16098 kfree(params.beacon_color_change.mbssid_ies);
16099 kfree(params.beacon_next.rnr_ies);
16100 kfree(params.beacon_color_change.rnr_ies);
16105 static int nl80211_set_fils_aad(struct sk_buff *skb,
16106 struct genl_info *info)
16108 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16109 struct net_device *dev = info->user_ptr[1];
16110 struct cfg80211_fils_aad fils_aad = {};
16113 if (!info->attrs[NL80211_ATTR_MAC] ||
16114 !info->attrs[NL80211_ATTR_FILS_KEK] ||
16115 !info->attrs[NL80211_ATTR_FILS_NONCES])
16118 fils_aad.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
16119 fils_aad.kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
16120 fils_aad.kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
16121 nonces = nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
16122 fils_aad.snonce = nonces;
16123 fils_aad.anonce = nonces + FILS_NONCE_LEN;
16125 return rdev_set_fils_aad(rdev, dev, &fils_aad);
16128 static int nl80211_add_link(struct sk_buff *skb, struct genl_info *info)
16130 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16131 unsigned int link_id = nl80211_link_id(info->attrs);
16132 struct net_device *dev = info->user_ptr[1];
16133 struct wireless_dev *wdev = dev->ieee80211_ptr;
16136 if (!(wdev->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
16139 switch (wdev->iftype) {
16140 case NL80211_IFTYPE_AP:
16146 if (!info->attrs[NL80211_ATTR_MAC] ||
16147 !is_valid_ether_addr(nla_data(info->attrs[NL80211_ATTR_MAC])))
16150 wdev->valid_links |= BIT(link_id);
16151 ether_addr_copy(wdev->links[link_id].addr,
16152 nla_data(info->attrs[NL80211_ATTR_MAC]));
16154 ret = rdev_add_intf_link(rdev, wdev, link_id);
16156 wdev->valid_links &= ~BIT(link_id);
16157 eth_zero_addr(wdev->links[link_id].addr);
16163 static int nl80211_remove_link(struct sk_buff *skb, struct genl_info *info)
16165 unsigned int link_id = nl80211_link_id(info->attrs);
16166 struct net_device *dev = info->user_ptr[1];
16167 struct wireless_dev *wdev = dev->ieee80211_ptr;
16169 /* cannot remove if there's no link */
16170 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
16173 switch (wdev->iftype) {
16174 case NL80211_IFTYPE_AP:
16180 cfg80211_remove_link(wdev, link_id);
16186 nl80211_add_mod_link_station(struct sk_buff *skb, struct genl_info *info,
16189 struct link_station_parameters params = {};
16190 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16191 struct net_device *dev = info->user_ptr[1];
16194 if ((add && !rdev->ops->add_link_station) ||
16195 (!add && !rdev->ops->mod_link_station))
16196 return -EOPNOTSUPP;
16198 if (add && !info->attrs[NL80211_ATTR_MAC])
16201 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
16204 if (add && !info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
16207 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
16209 if (info->attrs[NL80211_ATTR_MAC]) {
16210 params.link_mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
16211 if (!is_valid_ether_addr(params.link_mac))
16215 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
16218 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16220 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
16221 params.supported_rates =
16222 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
16223 params.supported_rates_len =
16224 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
16227 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
16229 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
16231 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
16233 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
16235 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
16237 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
16238 params.he_capa_len =
16239 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
16241 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
16243 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
16244 params.eht_capa_len =
16245 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
16247 if (!ieee80211_eht_capa_size_ok((const u8 *)params.he_capa,
16248 (const u8 *)params.eht_capa,
16249 params.eht_capa_len,
16255 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
16256 params.he_6ghz_capa =
16257 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
16259 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
16260 params.opmode_notif_used = true;
16261 params.opmode_notif =
16262 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
16265 err = nl80211_parse_sta_txpower_setting(info, ¶ms.txpwr,
16266 ¶ms.txpwr_set);
16271 return rdev_add_link_station(rdev, dev, ¶ms);
16273 return rdev_mod_link_station(rdev, dev, ¶ms);
16277 nl80211_add_link_station(struct sk_buff *skb, struct genl_info *info)
16279 return nl80211_add_mod_link_station(skb, info, true);
16283 nl80211_modify_link_station(struct sk_buff *skb, struct genl_info *info)
16285 return nl80211_add_mod_link_station(skb, info, false);
16289 nl80211_remove_link_station(struct sk_buff *skb, struct genl_info *info)
16291 struct link_station_del_parameters params = {};
16292 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16293 struct net_device *dev = info->user_ptr[1];
16295 if (!rdev->ops->del_link_station)
16296 return -EOPNOTSUPP;
16298 if (!info->attrs[NL80211_ATTR_MLD_ADDR] ||
16299 !info->attrs[NL80211_ATTR_MLO_LINK_ID])
16302 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
16303 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16305 return rdev_del_link_station(rdev, dev, ¶ms);
16308 static int nl80211_set_hw_timestamp(struct sk_buff *skb,
16309 struct genl_info *info)
16311 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16312 struct net_device *dev = info->user_ptr[1];
16313 struct cfg80211_set_hw_timestamp hwts = {};
16315 if (!rdev->wiphy.hw_timestamp_max_peers)
16316 return -EOPNOTSUPP;
16318 if (!info->attrs[NL80211_ATTR_MAC] &&
16319 rdev->wiphy.hw_timestamp_max_peers != CFG80211_HW_TIMESTAMP_ALL_PEERS)
16320 return -EOPNOTSUPP;
16322 if (info->attrs[NL80211_ATTR_MAC])
16323 hwts.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
16326 nla_get_flag(info->attrs[NL80211_ATTR_HW_TIMESTAMP_ENABLED]);
16328 return rdev_set_hw_timestamp(rdev, dev, &hwts);
16332 nl80211_set_ttlm(struct sk_buff *skb, struct genl_info *info)
16334 struct cfg80211_ttlm_params params = {};
16335 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16336 struct net_device *dev = info->user_ptr[1];
16337 struct wireless_dev *wdev = dev->ieee80211_ptr;
16339 if (wdev->iftype != NL80211_IFTYPE_STATION &&
16340 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
16341 return -EOPNOTSUPP;
16343 if (!wdev->connected)
16346 if (!info->attrs[NL80211_ATTR_MLO_TTLM_DLINK] ||
16347 !info->attrs[NL80211_ATTR_MLO_TTLM_ULINK])
16350 nla_memcpy(params.dlink,
16351 info->attrs[NL80211_ATTR_MLO_TTLM_DLINK],
16352 sizeof(params.dlink));
16353 nla_memcpy(params.ulink,
16354 info->attrs[NL80211_ATTR_MLO_TTLM_ULINK],
16355 sizeof(params.ulink));
16357 return rdev_set_ttlm(rdev, dev, ¶ms);
16360 #define NL80211_FLAG_NEED_WIPHY 0x01
16361 #define NL80211_FLAG_NEED_NETDEV 0x02
16362 #define NL80211_FLAG_NEED_RTNL 0x04
16363 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
16364 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
16365 NL80211_FLAG_CHECK_NETDEV_UP)
16366 #define NL80211_FLAG_NEED_WDEV 0x10
16367 /* If a netdev is associated, it must be UP, P2P must be started */
16368 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
16369 NL80211_FLAG_CHECK_NETDEV_UP)
16370 #define NL80211_FLAG_CLEAR_SKB 0x20
16371 #define NL80211_FLAG_NO_WIPHY_MTX 0x40
16372 #define NL80211_FLAG_MLO_VALID_LINK_ID 0x80
16373 #define NL80211_FLAG_MLO_UNSUPPORTED 0x100
16375 #define INTERNAL_FLAG_SELECTORS(__sel) \
16376 SELECTOR(__sel, NONE, 0) /* must be first */ \
16377 SELECTOR(__sel, WIPHY, \
16378 NL80211_FLAG_NEED_WIPHY) \
16379 SELECTOR(__sel, WDEV, \
16380 NL80211_FLAG_NEED_WDEV) \
16381 SELECTOR(__sel, NETDEV, \
16382 NL80211_FLAG_NEED_NETDEV) \
16383 SELECTOR(__sel, NETDEV_LINK, \
16384 NL80211_FLAG_NEED_NETDEV | \
16385 NL80211_FLAG_MLO_VALID_LINK_ID) \
16386 SELECTOR(__sel, NETDEV_NO_MLO, \
16387 NL80211_FLAG_NEED_NETDEV | \
16388 NL80211_FLAG_MLO_UNSUPPORTED) \
16389 SELECTOR(__sel, WIPHY_RTNL, \
16390 NL80211_FLAG_NEED_WIPHY | \
16391 NL80211_FLAG_NEED_RTNL) \
16392 SELECTOR(__sel, WIPHY_RTNL_NOMTX, \
16393 NL80211_FLAG_NEED_WIPHY | \
16394 NL80211_FLAG_NEED_RTNL | \
16395 NL80211_FLAG_NO_WIPHY_MTX) \
16396 SELECTOR(__sel, WDEV_RTNL, \
16397 NL80211_FLAG_NEED_WDEV | \
16398 NL80211_FLAG_NEED_RTNL) \
16399 SELECTOR(__sel, NETDEV_RTNL, \
16400 NL80211_FLAG_NEED_NETDEV | \
16401 NL80211_FLAG_NEED_RTNL) \
16402 SELECTOR(__sel, NETDEV_UP, \
16403 NL80211_FLAG_NEED_NETDEV_UP) \
16404 SELECTOR(__sel, NETDEV_UP_LINK, \
16405 NL80211_FLAG_NEED_NETDEV_UP | \
16406 NL80211_FLAG_MLO_VALID_LINK_ID) \
16407 SELECTOR(__sel, NETDEV_UP_NO_MLO, \
16408 NL80211_FLAG_NEED_NETDEV_UP | \
16409 NL80211_FLAG_MLO_UNSUPPORTED) \
16410 SELECTOR(__sel, NETDEV_UP_NO_MLO_CLEAR, \
16411 NL80211_FLAG_NEED_NETDEV_UP | \
16412 NL80211_FLAG_CLEAR_SKB | \
16413 NL80211_FLAG_MLO_UNSUPPORTED) \
16414 SELECTOR(__sel, NETDEV_UP_NOTMX, \
16415 NL80211_FLAG_NEED_NETDEV_UP | \
16416 NL80211_FLAG_NO_WIPHY_MTX) \
16417 SELECTOR(__sel, NETDEV_UP_NOTMX_NOMLO, \
16418 NL80211_FLAG_NEED_NETDEV_UP | \
16419 NL80211_FLAG_NO_WIPHY_MTX | \
16420 NL80211_FLAG_MLO_UNSUPPORTED) \
16421 SELECTOR(__sel, NETDEV_UP_CLEAR, \
16422 NL80211_FLAG_NEED_NETDEV_UP | \
16423 NL80211_FLAG_CLEAR_SKB) \
16424 SELECTOR(__sel, WDEV_UP, \
16425 NL80211_FLAG_NEED_WDEV_UP) \
16426 SELECTOR(__sel, WDEV_UP_LINK, \
16427 NL80211_FLAG_NEED_WDEV_UP | \
16428 NL80211_FLAG_MLO_VALID_LINK_ID) \
16429 SELECTOR(__sel, WDEV_UP_RTNL, \
16430 NL80211_FLAG_NEED_WDEV_UP | \
16431 NL80211_FLAG_NEED_RTNL) \
16432 SELECTOR(__sel, WIPHY_CLEAR, \
16433 NL80211_FLAG_NEED_WIPHY | \
16434 NL80211_FLAG_CLEAR_SKB)
16436 enum nl80211_internal_flags_selector {
16437 #define SELECTOR(_, name, value) NL80211_IFL_SEL_##name,
16438 INTERNAL_FLAG_SELECTORS(_)
16442 static u32 nl80211_internal_flags[] = {
16443 #define SELECTOR(_, name, value) [NL80211_IFL_SEL_##name] = value,
16444 INTERNAL_FLAG_SELECTORS(_)
16448 static int nl80211_pre_doit(const struct genl_split_ops *ops,
16449 struct sk_buff *skb,
16450 struct genl_info *info)
16452 struct cfg80211_registered_device *rdev = NULL;
16453 struct wireless_dev *wdev = NULL;
16454 struct net_device *dev = NULL;
16455 u32 internal_flags;
16458 if (WARN_ON(ops->internal_flags >= ARRAY_SIZE(nl80211_internal_flags)))
16461 internal_flags = nl80211_internal_flags[ops->internal_flags];
16464 if (internal_flags & NL80211_FLAG_NEED_WIPHY) {
16465 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
16466 if (IS_ERR(rdev)) {
16467 err = PTR_ERR(rdev);
16470 info->user_ptr[0] = rdev;
16471 } else if (internal_flags & NL80211_FLAG_NEED_NETDEV ||
16472 internal_flags & NL80211_FLAG_NEED_WDEV) {
16473 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
16475 if (IS_ERR(wdev)) {
16476 err = PTR_ERR(wdev);
16480 dev = wdev->netdev;
16482 rdev = wiphy_to_rdev(wdev->wiphy);
16484 if (internal_flags & NL80211_FLAG_NEED_NETDEV) {
16490 info->user_ptr[1] = dev;
16492 info->user_ptr[1] = wdev;
16495 if (internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
16496 !wdev_running(wdev)) {
16501 info->user_ptr[0] = rdev;
16504 if (internal_flags & NL80211_FLAG_MLO_VALID_LINK_ID) {
16505 struct nlattr *link_id = info->attrs[NL80211_ATTR_MLO_LINK_ID];
16512 /* MLO -> require valid link ID */
16513 if (wdev->valid_links &&
16515 !(wdev->valid_links & BIT(nla_get_u8(link_id))))) {
16520 /* non-MLO -> no link ID attribute accepted */
16521 if (!wdev->valid_links && link_id) {
16527 if (internal_flags & NL80211_FLAG_MLO_UNSUPPORTED) {
16528 if (info->attrs[NL80211_ATTR_MLO_LINK_ID] ||
16529 (wdev && wdev->valid_links)) {
16535 if (rdev && !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
16536 wiphy_lock(&rdev->wiphy);
16537 /* we keep the mutex locked until post_doit */
16538 __release(&rdev->wiphy.mtx);
16540 if (!(internal_flags & NL80211_FLAG_NEED_RTNL))
16550 static void nl80211_post_doit(const struct genl_split_ops *ops,
16551 struct sk_buff *skb,
16552 struct genl_info *info)
16554 u32 internal_flags = nl80211_internal_flags[ops->internal_flags];
16556 if (info->user_ptr[1]) {
16557 if (internal_flags & NL80211_FLAG_NEED_WDEV) {
16558 struct wireless_dev *wdev = info->user_ptr[1];
16560 dev_put(wdev->netdev);
16562 dev_put(info->user_ptr[1]);
16566 if (info->user_ptr[0] &&
16567 !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
16568 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16570 /* we kept the mutex locked since pre_doit */
16571 __acquire(&rdev->wiphy.mtx);
16572 wiphy_unlock(&rdev->wiphy);
16575 if (internal_flags & NL80211_FLAG_NEED_RTNL)
16578 /* If needed, clear the netlink message payload from the SKB
16579 * as it might contain key data that shouldn't stick around on
16580 * the heap after the SKB is freed. The netlink message header
16581 * is still needed for further processing, so leave it intact.
16583 if (internal_flags & NL80211_FLAG_CLEAR_SKB) {
16584 struct nlmsghdr *nlh = nlmsg_hdr(skb);
16586 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
16590 static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
16591 struct cfg80211_sar_specs *sar_specs,
16592 struct nlattr *spec[], int index)
16594 u32 range_index, i;
16596 if (!sar_specs || !spec)
16599 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
16600 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
16603 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
16605 /* check if range_index exceeds num_freq_ranges */
16606 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
16609 /* check if range_index duplicates */
16610 for (i = 0; i < index; i++) {
16611 if (sar_specs->sub_specs[i].freq_range_index == range_index)
16615 sar_specs->sub_specs[index].power =
16616 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
16618 sar_specs->sub_specs[index].freq_range_index = range_index;
16623 static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
16625 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16626 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
16627 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
16628 struct cfg80211_sar_specs *sar_spec;
16629 enum nl80211_sar_type type;
16630 struct nlattr *spec_list;
16634 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
16635 return -EOPNOTSUPP;
16637 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
16640 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
16641 info->attrs[NL80211_ATTR_SAR_SPEC],
16644 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
16647 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
16648 if (type != rdev->wiphy.sar_capa->type)
16652 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
16655 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
16658 sar_spec = kzalloc(struct_size(sar_spec, sub_specs, specs), GFP_KERNEL);
16662 sar_spec->type = type;
16664 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
16665 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
16666 spec_list, NULL, NULL);
16669 case NL80211_SAR_TYPE_POWER:
16670 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
16683 sar_spec->num_sub_specs = specs;
16685 rdev->cur_cmd_info = info;
16686 err = rdev_set_sar_specs(rdev, sar_spec);
16687 rdev->cur_cmd_info = NULL;
16693 #define SELECTOR(__sel, name, value) \
16694 ((__sel) == (value)) ? NL80211_IFL_SEL_##name :
16695 int __missing_selector(void);
16696 #define IFLAGS(__val) INTERNAL_FLAG_SELECTORS(__val) __missing_selector()
16698 static const struct genl_ops nl80211_ops[] = {
16700 .cmd = NL80211_CMD_GET_WIPHY,
16701 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16702 .doit = nl80211_get_wiphy,
16703 .dumpit = nl80211_dump_wiphy,
16704 .done = nl80211_dump_wiphy_done,
16705 /* can be retrieved by unprivileged users */
16706 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16710 static const struct genl_small_ops nl80211_small_ops[] = {
16712 .cmd = NL80211_CMD_SET_WIPHY,
16713 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16714 .doit = nl80211_set_wiphy,
16715 .flags = GENL_UNS_ADMIN_PERM,
16718 .cmd = NL80211_CMD_GET_INTERFACE,
16719 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16720 .doit = nl80211_get_interface,
16721 .dumpit = nl80211_dump_interface,
16722 /* can be retrieved by unprivileged users */
16723 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
16726 .cmd = NL80211_CMD_SET_INTERFACE,
16727 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16728 .doit = nl80211_set_interface,
16729 .flags = GENL_UNS_ADMIN_PERM,
16730 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16731 NL80211_FLAG_NEED_RTNL),
16734 .cmd = NL80211_CMD_NEW_INTERFACE,
16735 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16736 .doit = nl80211_new_interface,
16737 .flags = GENL_UNS_ADMIN_PERM,
16739 IFLAGS(NL80211_FLAG_NEED_WIPHY |
16740 NL80211_FLAG_NEED_RTNL |
16741 /* we take the wiphy mutex later ourselves */
16742 NL80211_FLAG_NO_WIPHY_MTX),
16745 .cmd = NL80211_CMD_DEL_INTERFACE,
16746 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16747 .doit = nl80211_del_interface,
16748 .flags = GENL_UNS_ADMIN_PERM,
16749 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
16750 NL80211_FLAG_NEED_RTNL),
16753 .cmd = NL80211_CMD_GET_KEY,
16754 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16755 .doit = nl80211_get_key,
16756 .flags = GENL_UNS_ADMIN_PERM,
16757 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16760 .cmd = NL80211_CMD_SET_KEY,
16761 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16762 .doit = nl80211_set_key,
16763 .flags = GENL_UNS_ADMIN_PERM,
16764 /* cannot use NL80211_FLAG_MLO_VALID_LINK_ID, depends on key */
16765 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16766 NL80211_FLAG_CLEAR_SKB),
16769 .cmd = NL80211_CMD_NEW_KEY,
16770 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16771 .doit = nl80211_new_key,
16772 .flags = GENL_UNS_ADMIN_PERM,
16773 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16774 NL80211_FLAG_CLEAR_SKB),
16777 .cmd = NL80211_CMD_DEL_KEY,
16778 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16779 .doit = nl80211_del_key,
16780 .flags = GENL_UNS_ADMIN_PERM,
16781 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16784 .cmd = NL80211_CMD_SET_BEACON,
16785 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16786 .flags = GENL_UNS_ADMIN_PERM,
16787 .doit = nl80211_set_beacon,
16788 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16789 NL80211_FLAG_MLO_VALID_LINK_ID),
16792 .cmd = NL80211_CMD_START_AP,
16793 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16794 .flags = GENL_UNS_ADMIN_PERM,
16795 .doit = nl80211_start_ap,
16796 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16797 NL80211_FLAG_MLO_VALID_LINK_ID),
16800 .cmd = NL80211_CMD_STOP_AP,
16801 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16802 .flags = GENL_UNS_ADMIN_PERM,
16803 .doit = nl80211_stop_ap,
16804 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16805 NL80211_FLAG_MLO_VALID_LINK_ID),
16808 .cmd = NL80211_CMD_GET_STATION,
16809 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16810 .doit = nl80211_get_station,
16811 .dumpit = nl80211_dump_station,
16812 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16815 .cmd = NL80211_CMD_SET_STATION,
16816 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16817 .doit = nl80211_set_station,
16818 .flags = GENL_UNS_ADMIN_PERM,
16819 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16822 .cmd = NL80211_CMD_NEW_STATION,
16823 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16824 .doit = nl80211_new_station,
16825 .flags = GENL_UNS_ADMIN_PERM,
16826 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16829 .cmd = NL80211_CMD_DEL_STATION,
16830 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16831 .doit = nl80211_del_station,
16832 .flags = GENL_UNS_ADMIN_PERM,
16833 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16836 .cmd = NL80211_CMD_GET_MPATH,
16837 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16838 .doit = nl80211_get_mpath,
16839 .dumpit = nl80211_dump_mpath,
16840 .flags = GENL_UNS_ADMIN_PERM,
16841 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16844 .cmd = NL80211_CMD_GET_MPP,
16845 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16846 .doit = nl80211_get_mpp,
16847 .dumpit = nl80211_dump_mpp,
16848 .flags = GENL_UNS_ADMIN_PERM,
16849 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16852 .cmd = NL80211_CMD_SET_MPATH,
16853 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16854 .doit = nl80211_set_mpath,
16855 .flags = GENL_UNS_ADMIN_PERM,
16856 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16859 .cmd = NL80211_CMD_NEW_MPATH,
16860 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16861 .doit = nl80211_new_mpath,
16862 .flags = GENL_UNS_ADMIN_PERM,
16863 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16866 .cmd = NL80211_CMD_DEL_MPATH,
16867 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16868 .doit = nl80211_del_mpath,
16869 .flags = GENL_UNS_ADMIN_PERM,
16870 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16873 .cmd = NL80211_CMD_SET_BSS,
16874 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16875 .doit = nl80211_set_bss,
16876 .flags = GENL_UNS_ADMIN_PERM,
16877 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16878 NL80211_FLAG_MLO_VALID_LINK_ID),
16881 .cmd = NL80211_CMD_GET_REG,
16882 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16883 .doit = nl80211_get_reg_do,
16884 .dumpit = nl80211_get_reg_dump,
16885 /* can be retrieved by unprivileged users */
16887 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
16889 .cmd = NL80211_CMD_SET_REG,
16890 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16891 .doit = nl80211_set_reg,
16892 .flags = GENL_ADMIN_PERM,
16896 .cmd = NL80211_CMD_REQ_SET_REG,
16897 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16898 .doit = nl80211_req_set_reg,
16899 .flags = GENL_ADMIN_PERM,
16902 .cmd = NL80211_CMD_RELOAD_REGDB,
16903 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16904 .doit = nl80211_reload_regdb,
16905 .flags = GENL_ADMIN_PERM,
16908 .cmd = NL80211_CMD_GET_MESH_CONFIG,
16909 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16910 .doit = nl80211_get_mesh_config,
16911 /* can be retrieved by unprivileged users */
16912 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16915 .cmd = NL80211_CMD_SET_MESH_CONFIG,
16916 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16917 .doit = nl80211_update_mesh_config,
16918 .flags = GENL_UNS_ADMIN_PERM,
16919 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16922 .cmd = NL80211_CMD_TRIGGER_SCAN,
16923 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16924 .doit = nl80211_trigger_scan,
16925 .flags = GENL_UNS_ADMIN_PERM,
16926 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16929 .cmd = NL80211_CMD_ABORT_SCAN,
16930 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16931 .doit = nl80211_abort_scan,
16932 .flags = GENL_UNS_ADMIN_PERM,
16933 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16936 .cmd = NL80211_CMD_GET_SCAN,
16937 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16938 .dumpit = nl80211_dump_scan,
16941 .cmd = NL80211_CMD_START_SCHED_SCAN,
16942 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16943 .doit = nl80211_start_sched_scan,
16944 .flags = GENL_UNS_ADMIN_PERM,
16945 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16948 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
16949 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16950 .doit = nl80211_stop_sched_scan,
16951 .flags = GENL_UNS_ADMIN_PERM,
16952 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16955 .cmd = NL80211_CMD_AUTHENTICATE,
16956 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16957 .doit = nl80211_authenticate,
16958 .flags = GENL_UNS_ADMIN_PERM,
16959 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16960 NL80211_FLAG_CLEAR_SKB),
16963 .cmd = NL80211_CMD_ASSOCIATE,
16964 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16965 .doit = nl80211_associate,
16966 .flags = GENL_UNS_ADMIN_PERM,
16967 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16968 NL80211_FLAG_CLEAR_SKB),
16971 .cmd = NL80211_CMD_DEAUTHENTICATE,
16972 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16973 .doit = nl80211_deauthenticate,
16974 .flags = GENL_UNS_ADMIN_PERM,
16975 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16978 .cmd = NL80211_CMD_DISASSOCIATE,
16979 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16980 .doit = nl80211_disassociate,
16981 .flags = GENL_UNS_ADMIN_PERM,
16982 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16985 .cmd = NL80211_CMD_JOIN_IBSS,
16986 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16987 .doit = nl80211_join_ibss,
16988 .flags = GENL_UNS_ADMIN_PERM,
16989 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16992 .cmd = NL80211_CMD_LEAVE_IBSS,
16993 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16994 .doit = nl80211_leave_ibss,
16995 .flags = GENL_UNS_ADMIN_PERM,
16996 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16998 #ifdef CONFIG_NL80211_TESTMODE
17000 .cmd = NL80211_CMD_TESTMODE,
17001 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17002 .doit = nl80211_testmode_do,
17003 .dumpit = nl80211_testmode_dump,
17004 .flags = GENL_UNS_ADMIN_PERM,
17005 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17009 .cmd = NL80211_CMD_CONNECT,
17010 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17011 .doit = nl80211_connect,
17012 .flags = GENL_UNS_ADMIN_PERM,
17013 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17014 NL80211_FLAG_CLEAR_SKB),
17017 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
17018 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17019 .doit = nl80211_update_connect_params,
17020 .flags = GENL_ADMIN_PERM,
17021 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17022 NL80211_FLAG_CLEAR_SKB),
17025 .cmd = NL80211_CMD_DISCONNECT,
17026 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17027 .doit = nl80211_disconnect,
17028 .flags = GENL_UNS_ADMIN_PERM,
17029 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17032 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
17033 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17034 .doit = nl80211_wiphy_netns,
17035 .flags = GENL_UNS_ADMIN_PERM,
17036 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17037 NL80211_FLAG_NEED_RTNL |
17038 NL80211_FLAG_NO_WIPHY_MTX),
17041 .cmd = NL80211_CMD_GET_SURVEY,
17042 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17043 .dumpit = nl80211_dump_survey,
17046 .cmd = NL80211_CMD_SET_PMKSA,
17047 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17048 .doit = nl80211_set_pmksa,
17049 .flags = GENL_UNS_ADMIN_PERM,
17050 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17051 NL80211_FLAG_CLEAR_SKB),
17054 .cmd = NL80211_CMD_DEL_PMKSA,
17055 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17056 .doit = nl80211_del_pmksa,
17057 .flags = GENL_UNS_ADMIN_PERM,
17058 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17061 .cmd = NL80211_CMD_FLUSH_PMKSA,
17062 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17063 .doit = nl80211_flush_pmksa,
17064 .flags = GENL_UNS_ADMIN_PERM,
17065 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17068 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
17069 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17070 .doit = nl80211_remain_on_channel,
17071 .flags = GENL_UNS_ADMIN_PERM,
17072 /* FIXME: requiring a link ID here is probably not good */
17073 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17074 NL80211_FLAG_MLO_VALID_LINK_ID),
17077 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
17078 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17079 .doit = nl80211_cancel_remain_on_channel,
17080 .flags = GENL_UNS_ADMIN_PERM,
17081 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17084 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
17085 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17086 .doit = nl80211_set_tx_bitrate_mask,
17087 .flags = GENL_UNS_ADMIN_PERM,
17088 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17089 NL80211_FLAG_MLO_VALID_LINK_ID),
17092 .cmd = NL80211_CMD_REGISTER_FRAME,
17093 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17094 .doit = nl80211_register_mgmt,
17095 .flags = GENL_UNS_ADMIN_PERM,
17096 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
17099 .cmd = NL80211_CMD_FRAME,
17100 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17101 .doit = nl80211_tx_mgmt,
17102 .flags = GENL_UNS_ADMIN_PERM,
17103 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17106 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
17107 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17108 .doit = nl80211_tx_mgmt_cancel_wait,
17109 .flags = GENL_UNS_ADMIN_PERM,
17110 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17113 .cmd = NL80211_CMD_SET_POWER_SAVE,
17114 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17115 .doit = nl80211_set_power_save,
17116 .flags = GENL_UNS_ADMIN_PERM,
17117 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17120 .cmd = NL80211_CMD_GET_POWER_SAVE,
17121 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17122 .doit = nl80211_get_power_save,
17123 /* can be retrieved by unprivileged users */
17124 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17127 .cmd = NL80211_CMD_SET_CQM,
17128 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17129 .doit = nl80211_set_cqm,
17130 .flags = GENL_UNS_ADMIN_PERM,
17131 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17134 .cmd = NL80211_CMD_SET_CHANNEL,
17135 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17136 .doit = nl80211_set_channel,
17137 .flags = GENL_UNS_ADMIN_PERM,
17138 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17139 NL80211_FLAG_MLO_VALID_LINK_ID),
17142 .cmd = NL80211_CMD_JOIN_MESH,
17143 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17144 .doit = nl80211_join_mesh,
17145 .flags = GENL_UNS_ADMIN_PERM,
17146 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17149 .cmd = NL80211_CMD_LEAVE_MESH,
17150 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17151 .doit = nl80211_leave_mesh,
17152 .flags = GENL_UNS_ADMIN_PERM,
17153 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17156 .cmd = NL80211_CMD_JOIN_OCB,
17157 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17158 .doit = nl80211_join_ocb,
17159 .flags = GENL_UNS_ADMIN_PERM,
17160 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17163 .cmd = NL80211_CMD_LEAVE_OCB,
17164 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17165 .doit = nl80211_leave_ocb,
17166 .flags = GENL_UNS_ADMIN_PERM,
17167 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17171 .cmd = NL80211_CMD_GET_WOWLAN,
17172 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17173 .doit = nl80211_get_wowlan,
17174 /* can be retrieved by unprivileged users */
17175 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17178 .cmd = NL80211_CMD_SET_WOWLAN,
17179 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17180 .doit = nl80211_set_wowlan,
17181 .flags = GENL_UNS_ADMIN_PERM,
17182 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17186 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
17187 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17188 .doit = nl80211_set_rekey_data,
17189 .flags = GENL_UNS_ADMIN_PERM,
17190 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17191 NL80211_FLAG_CLEAR_SKB),
17194 .cmd = NL80211_CMD_TDLS_MGMT,
17195 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17196 .doit = nl80211_tdls_mgmt,
17197 .flags = GENL_UNS_ADMIN_PERM,
17198 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17199 NL80211_FLAG_MLO_VALID_LINK_ID),
17202 .cmd = NL80211_CMD_TDLS_OPER,
17203 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17204 .doit = nl80211_tdls_oper,
17205 .flags = GENL_UNS_ADMIN_PERM,
17206 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17209 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
17210 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17211 .doit = nl80211_register_unexpected_frame,
17212 .flags = GENL_UNS_ADMIN_PERM,
17213 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17216 .cmd = NL80211_CMD_PROBE_CLIENT,
17217 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17218 .doit = nl80211_probe_client,
17219 .flags = GENL_UNS_ADMIN_PERM,
17220 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17223 .cmd = NL80211_CMD_REGISTER_BEACONS,
17224 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17225 .doit = nl80211_register_beacons,
17226 .flags = GENL_UNS_ADMIN_PERM,
17227 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17230 .cmd = NL80211_CMD_SET_NOACK_MAP,
17231 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17232 .doit = nl80211_set_noack_map,
17233 .flags = GENL_UNS_ADMIN_PERM,
17234 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17237 .cmd = NL80211_CMD_START_P2P_DEVICE,
17238 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17239 .doit = nl80211_start_p2p_device,
17240 .flags = GENL_UNS_ADMIN_PERM,
17241 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
17242 NL80211_FLAG_NEED_RTNL),
17245 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
17246 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17247 .doit = nl80211_stop_p2p_device,
17248 .flags = GENL_UNS_ADMIN_PERM,
17249 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17250 NL80211_FLAG_NEED_RTNL),
17253 .cmd = NL80211_CMD_START_NAN,
17254 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17255 .doit = nl80211_start_nan,
17256 .flags = GENL_ADMIN_PERM,
17257 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
17258 NL80211_FLAG_NEED_RTNL),
17261 .cmd = NL80211_CMD_STOP_NAN,
17262 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17263 .doit = nl80211_stop_nan,
17264 .flags = GENL_ADMIN_PERM,
17265 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17266 NL80211_FLAG_NEED_RTNL),
17269 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
17270 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17271 .doit = nl80211_nan_add_func,
17272 .flags = GENL_ADMIN_PERM,
17273 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17276 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
17277 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17278 .doit = nl80211_nan_del_func,
17279 .flags = GENL_ADMIN_PERM,
17280 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17283 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
17284 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17285 .doit = nl80211_nan_change_config,
17286 .flags = GENL_ADMIN_PERM,
17287 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17290 .cmd = NL80211_CMD_SET_MCAST_RATE,
17291 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17292 .doit = nl80211_set_mcast_rate,
17293 .flags = GENL_UNS_ADMIN_PERM,
17294 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17297 .cmd = NL80211_CMD_SET_MAC_ACL,
17298 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17299 .doit = nl80211_set_mac_acl,
17300 .flags = GENL_UNS_ADMIN_PERM,
17301 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17302 NL80211_FLAG_MLO_UNSUPPORTED),
17305 .cmd = NL80211_CMD_RADAR_DETECT,
17306 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17307 .doit = nl80211_start_radar_detection,
17308 .flags = GENL_UNS_ADMIN_PERM,
17309 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17310 NL80211_FLAG_NO_WIPHY_MTX |
17311 NL80211_FLAG_MLO_UNSUPPORTED),
17314 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
17315 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17316 .doit = nl80211_get_protocol_features,
17319 .cmd = NL80211_CMD_UPDATE_FT_IES,
17320 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17321 .doit = nl80211_update_ft_ies,
17322 .flags = GENL_UNS_ADMIN_PERM,
17323 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17326 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
17327 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17328 .doit = nl80211_crit_protocol_start,
17329 .flags = GENL_UNS_ADMIN_PERM,
17330 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17333 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
17334 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17335 .doit = nl80211_crit_protocol_stop,
17336 .flags = GENL_UNS_ADMIN_PERM,
17337 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17340 .cmd = NL80211_CMD_GET_COALESCE,
17341 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17342 .doit = nl80211_get_coalesce,
17343 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17346 .cmd = NL80211_CMD_SET_COALESCE,
17347 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17348 .doit = nl80211_set_coalesce,
17349 .flags = GENL_UNS_ADMIN_PERM,
17350 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17353 .cmd = NL80211_CMD_CHANNEL_SWITCH,
17354 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17355 .doit = nl80211_channel_switch,
17356 .flags = GENL_UNS_ADMIN_PERM,
17357 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17358 NL80211_FLAG_MLO_VALID_LINK_ID),
17361 .cmd = NL80211_CMD_VENDOR,
17362 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17363 .doit = nl80211_vendor_cmd,
17364 .dumpit = nl80211_vendor_cmd_dump,
17365 .flags = GENL_UNS_ADMIN_PERM,
17366 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17367 NL80211_FLAG_CLEAR_SKB),
17370 .cmd = NL80211_CMD_SET_QOS_MAP,
17371 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17372 .doit = nl80211_set_qos_map,
17373 .flags = GENL_UNS_ADMIN_PERM,
17374 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17377 .cmd = NL80211_CMD_ADD_TX_TS,
17378 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17379 .doit = nl80211_add_tx_ts,
17380 .flags = GENL_UNS_ADMIN_PERM,
17381 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17382 NL80211_FLAG_MLO_UNSUPPORTED),
17385 .cmd = NL80211_CMD_DEL_TX_TS,
17386 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17387 .doit = nl80211_del_tx_ts,
17388 .flags = GENL_UNS_ADMIN_PERM,
17389 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17392 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
17393 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17394 .doit = nl80211_tdls_channel_switch,
17395 .flags = GENL_UNS_ADMIN_PERM,
17396 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17399 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
17400 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17401 .doit = nl80211_tdls_cancel_channel_switch,
17402 .flags = GENL_UNS_ADMIN_PERM,
17403 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17406 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
17407 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17408 .doit = nl80211_set_multicast_to_unicast,
17409 .flags = GENL_UNS_ADMIN_PERM,
17410 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17413 .cmd = NL80211_CMD_SET_PMK,
17414 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17415 .doit = nl80211_set_pmk,
17416 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17417 NL80211_FLAG_CLEAR_SKB),
17420 .cmd = NL80211_CMD_DEL_PMK,
17421 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17422 .doit = nl80211_del_pmk,
17423 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17426 .cmd = NL80211_CMD_EXTERNAL_AUTH,
17427 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17428 .doit = nl80211_external_auth,
17429 .flags = GENL_ADMIN_PERM,
17430 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17433 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
17434 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17435 .doit = nl80211_tx_control_port,
17436 .flags = GENL_UNS_ADMIN_PERM,
17437 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17440 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
17441 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17442 .doit = nl80211_get_ftm_responder_stats,
17443 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17444 NL80211_FLAG_MLO_VALID_LINK_ID),
17447 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
17448 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17449 .doit = nl80211_pmsr_start,
17450 .flags = GENL_UNS_ADMIN_PERM,
17451 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17454 .cmd = NL80211_CMD_NOTIFY_RADAR,
17455 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17456 .doit = nl80211_notify_radar_detection,
17457 .flags = GENL_UNS_ADMIN_PERM,
17458 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17461 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
17462 .doit = nl80211_update_owe_info,
17463 .flags = GENL_ADMIN_PERM,
17464 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17467 .cmd = NL80211_CMD_PROBE_MESH_LINK,
17468 .doit = nl80211_probe_mesh_link,
17469 .flags = GENL_UNS_ADMIN_PERM,
17470 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17473 .cmd = NL80211_CMD_SET_TID_CONFIG,
17474 .doit = nl80211_set_tid_config,
17475 .flags = GENL_UNS_ADMIN_PERM,
17476 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17477 NL80211_FLAG_MLO_VALID_LINK_ID),
17480 .cmd = NL80211_CMD_SET_SAR_SPECS,
17481 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17482 .doit = nl80211_set_sar_specs,
17483 .flags = GENL_UNS_ADMIN_PERM,
17484 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17485 NL80211_FLAG_NEED_RTNL),
17488 .cmd = NL80211_CMD_COLOR_CHANGE_REQUEST,
17489 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17490 .doit = nl80211_color_change,
17491 .flags = GENL_UNS_ADMIN_PERM,
17492 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17495 .cmd = NL80211_CMD_SET_FILS_AAD,
17496 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17497 .doit = nl80211_set_fils_aad,
17498 .flags = GENL_UNS_ADMIN_PERM,
17499 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17502 .cmd = NL80211_CMD_ADD_LINK,
17503 .doit = nl80211_add_link,
17504 .flags = GENL_UNS_ADMIN_PERM,
17505 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17508 .cmd = NL80211_CMD_REMOVE_LINK,
17509 .doit = nl80211_remove_link,
17510 .flags = GENL_UNS_ADMIN_PERM,
17511 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17512 NL80211_FLAG_MLO_VALID_LINK_ID),
17515 .cmd = NL80211_CMD_ADD_LINK_STA,
17516 .doit = nl80211_add_link_station,
17517 .flags = GENL_UNS_ADMIN_PERM,
17518 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17519 NL80211_FLAG_MLO_VALID_LINK_ID),
17522 .cmd = NL80211_CMD_MODIFY_LINK_STA,
17523 .doit = nl80211_modify_link_station,
17524 .flags = GENL_UNS_ADMIN_PERM,
17525 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17526 NL80211_FLAG_MLO_VALID_LINK_ID),
17529 .cmd = NL80211_CMD_REMOVE_LINK_STA,
17530 .doit = nl80211_remove_link_station,
17531 .flags = GENL_UNS_ADMIN_PERM,
17532 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17533 NL80211_FLAG_MLO_VALID_LINK_ID),
17536 .cmd = NL80211_CMD_SET_HW_TIMESTAMP,
17537 .doit = nl80211_set_hw_timestamp,
17538 .flags = GENL_UNS_ADMIN_PERM,
17539 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17542 .cmd = NL80211_CMD_SET_TID_TO_LINK_MAPPING,
17543 .doit = nl80211_set_ttlm,
17544 .flags = GENL_UNS_ADMIN_PERM,
17545 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17549 static struct genl_family nl80211_fam __ro_after_init = {
17550 .name = NL80211_GENL_NAME, /* have users key off the name instead */
17551 .hdrsize = 0, /* no private header */
17552 .version = 1, /* no particular meaning now */
17553 .maxattr = NL80211_ATTR_MAX,
17554 .policy = nl80211_policy,
17556 .pre_doit = nl80211_pre_doit,
17557 .post_doit = nl80211_post_doit,
17558 .module = THIS_MODULE,
17559 .ops = nl80211_ops,
17560 .n_ops = ARRAY_SIZE(nl80211_ops),
17561 .small_ops = nl80211_small_ops,
17562 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
17563 .resv_start_op = NL80211_CMD_REMOVE_LINK_STA + 1,
17564 .mcgrps = nl80211_mcgrps,
17565 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
17566 .parallel_ops = true,
17569 /* notification functions */
17571 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
17572 enum nl80211_commands cmd)
17574 struct sk_buff *msg;
17575 struct nl80211_dump_wiphy_state state = {};
17577 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
17578 cmd != NL80211_CMD_DEL_WIPHY);
17580 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17584 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
17589 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17590 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17593 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
17594 struct wireless_dev *wdev,
17595 enum nl80211_commands cmd)
17597 struct sk_buff *msg;
17599 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17603 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
17608 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17609 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17612 static int nl80211_add_scan_req(struct sk_buff *msg,
17613 struct cfg80211_registered_device *rdev)
17615 struct cfg80211_scan_request *req = rdev->scan_req;
17616 struct nlattr *nest;
17618 struct cfg80211_scan_info *info;
17623 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
17625 goto nla_put_failure;
17626 for (i = 0; i < req->n_ssids; i++) {
17627 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
17628 goto nla_put_failure;
17630 nla_nest_end(msg, nest);
17632 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
17633 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
17635 goto nla_put_failure;
17636 for (i = 0; i < req->n_channels; i++) {
17637 if (nla_put_u32(msg, i,
17638 ieee80211_channel_to_khz(req->channels[i])))
17639 goto nla_put_failure;
17641 nla_nest_end(msg, nest);
17643 nest = nla_nest_start_noflag(msg,
17644 NL80211_ATTR_SCAN_FREQUENCIES);
17646 goto nla_put_failure;
17647 for (i = 0; i < req->n_channels; i++) {
17648 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
17649 goto nla_put_failure;
17651 nla_nest_end(msg, nest);
17655 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
17656 goto nla_put_failure;
17659 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
17660 goto nla_put_failure;
17662 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
17663 &rdev->scan_req->info;
17664 if (info->scan_start_tsf &&
17665 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
17666 info->scan_start_tsf, NL80211_BSS_PAD) ||
17667 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
17669 goto nla_put_failure;
17676 static int nl80211_prep_scan_msg(struct sk_buff *msg,
17677 struct cfg80211_registered_device *rdev,
17678 struct wireless_dev *wdev,
17679 u32 portid, u32 seq, int flags,
17684 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
17688 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17689 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17690 wdev->netdev->ifindex)) ||
17691 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17693 goto nla_put_failure;
17695 /* ignore errors and send incomplete event anyway */
17696 nl80211_add_scan_req(msg, rdev);
17698 genlmsg_end(msg, hdr);
17702 genlmsg_cancel(msg, hdr);
17707 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
17708 struct cfg80211_sched_scan_request *req, u32 cmd)
17712 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17716 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
17717 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
17718 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
17719 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
17721 goto nla_put_failure;
17723 genlmsg_end(msg, hdr);
17727 genlmsg_cancel(msg, hdr);
17731 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
17732 struct wireless_dev *wdev)
17734 struct sk_buff *msg;
17736 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17740 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
17741 NL80211_CMD_TRIGGER_SCAN) < 0) {
17746 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17747 NL80211_MCGRP_SCAN, GFP_KERNEL);
17750 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
17751 struct wireless_dev *wdev, bool aborted)
17753 struct sk_buff *msg;
17755 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17759 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
17760 aborted ? NL80211_CMD_SCAN_ABORTED :
17761 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
17769 /* send message created by nl80211_build_scan_msg() */
17770 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
17771 struct sk_buff *msg)
17776 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17777 NL80211_MCGRP_SCAN, GFP_KERNEL);
17780 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
17782 struct sk_buff *msg;
17784 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17788 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
17793 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
17794 NL80211_MCGRP_SCAN, GFP_KERNEL);
17797 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
17798 struct regulatory_request *request)
17800 /* Userspace can always count this one always being set */
17801 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
17802 goto nla_put_failure;
17804 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
17805 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17806 NL80211_REGDOM_TYPE_WORLD))
17807 goto nla_put_failure;
17808 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
17809 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17810 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
17811 goto nla_put_failure;
17812 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
17813 request->intersect) {
17814 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17815 NL80211_REGDOM_TYPE_INTERSECTION))
17816 goto nla_put_failure;
17818 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17819 NL80211_REGDOM_TYPE_COUNTRY) ||
17820 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
17822 goto nla_put_failure;
17825 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
17826 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
17829 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
17830 goto nla_put_failure;
17833 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
17834 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
17835 goto nla_put_failure;
17845 * This can happen on global regulatory changes or device specific settings
17846 * based on custom regulatory domains.
17848 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
17849 struct regulatory_request *request)
17851 struct sk_buff *msg;
17854 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17858 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
17860 goto nla_put_failure;
17862 if (!nl80211_reg_change_event_fill(msg, request))
17863 goto nla_put_failure;
17865 genlmsg_end(msg, hdr);
17868 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
17869 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
17878 struct nl80211_mlme_event {
17879 enum nl80211_commands cmd;
17884 size_t req_ies_len;
17888 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
17889 struct net_device *netdev,
17890 const struct nl80211_mlme_event *event,
17893 struct sk_buff *msg;
17896 msg = nlmsg_new(100 + event->buf_len + event->req_ies_len, gfp);
17900 hdr = nl80211hdr_put(msg, 0, 0, 0, event->cmd);
17906 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17907 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17908 nla_put(msg, NL80211_ATTR_FRAME, event->buf_len, event->buf) ||
17910 nla_put(msg, NL80211_ATTR_REQ_IE, event->req_ies_len,
17912 goto nla_put_failure;
17914 if (event->reconnect &&
17915 nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
17916 goto nla_put_failure;
17918 if (event->uapsd_queues >= 0) {
17919 struct nlattr *nla_wmm =
17920 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
17922 goto nla_put_failure;
17924 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
17925 event->uapsd_queues))
17926 goto nla_put_failure;
17928 nla_nest_end(msg, nla_wmm);
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_rx_auth(struct cfg80211_registered_device *rdev,
17942 struct net_device *netdev, const u8 *buf,
17943 size_t len, gfp_t gfp)
17945 struct nl80211_mlme_event event = {
17946 .cmd = NL80211_CMD_AUTHENTICATE,
17949 .uapsd_queues = -1,
17952 nl80211_send_mlme_event(rdev, netdev, &event, gfp);
17955 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
17956 struct net_device *netdev,
17957 const struct cfg80211_rx_assoc_resp_data *data)
17959 struct nl80211_mlme_event event = {
17960 .cmd = NL80211_CMD_ASSOCIATE,
17962 .buf_len = data->len,
17963 .uapsd_queues = data->uapsd_queues,
17964 .req_ies = data->req_ies,
17965 .req_ies_len = data->req_ies_len,
17968 nl80211_send_mlme_event(rdev, netdev, &event, GFP_KERNEL);
17971 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
17972 struct net_device *netdev, const u8 *buf,
17973 size_t len, bool reconnect, gfp_t gfp)
17975 struct nl80211_mlme_event event = {
17976 .cmd = NL80211_CMD_DEAUTHENTICATE,
17979 .reconnect = reconnect,
17980 .uapsd_queues = -1,
17983 nl80211_send_mlme_event(rdev, netdev, &event, gfp);
17986 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
17987 struct net_device *netdev, const u8 *buf,
17988 size_t len, bool reconnect, gfp_t gfp)
17990 struct nl80211_mlme_event event = {
17991 .cmd = NL80211_CMD_DISASSOCIATE,
17994 .reconnect = reconnect,
17995 .uapsd_queues = -1,
17998 nl80211_send_mlme_event(rdev, netdev, &event, gfp);
18001 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
18004 struct wireless_dev *wdev = dev->ieee80211_ptr;
18005 struct wiphy *wiphy = wdev->wiphy;
18006 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18007 const struct ieee80211_mgmt *mgmt = (void *)buf;
18008 struct nl80211_mlme_event event = {
18011 .uapsd_queues = -1,
18014 if (WARN_ON(len < 2))
18017 if (ieee80211_is_deauth(mgmt->frame_control)) {
18018 event.cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
18019 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
18020 event.cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
18021 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
18022 if (wdev->unprot_beacon_reported &&
18023 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
18025 event.cmd = NL80211_CMD_UNPROT_BEACON;
18026 wdev->unprot_beacon_reported = jiffies;
18031 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
18032 nl80211_send_mlme_event(rdev, dev, &event, GFP_ATOMIC);
18034 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
18036 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
18037 struct net_device *netdev, int cmd,
18038 const u8 *addr, gfp_t gfp)
18040 struct sk_buff *msg;
18043 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18047 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18053 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18054 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18055 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
18056 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
18057 goto nla_put_failure;
18059 genlmsg_end(msg, hdr);
18061 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18062 NL80211_MCGRP_MLME, gfp);
18069 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
18070 struct net_device *netdev, const u8 *addr,
18073 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
18077 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
18078 struct net_device *netdev, const u8 *addr,
18081 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
18085 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
18086 struct net_device *netdev,
18087 struct cfg80211_connect_resp_params *cr,
18090 struct sk_buff *msg;
18093 size_t link_info_size = 0;
18094 const u8 *connected_addr = cr->valid_links ?
18095 cr->ap_mld_addr : cr->links[0].bssid;
18097 if (cr->valid_links) {
18098 for_each_valid_link(cr, link) {
18099 /* Nested attribute header */
18100 link_info_size += NLA_HDRLEN;
18102 link_info_size += nla_total_size(sizeof(u8));
18103 link_info_size += cr->links[link].addr ?
18104 nla_total_size(ETH_ALEN) : 0;
18105 link_info_size += (cr->links[link].bssid ||
18106 cr->links[link].bss) ?
18107 nla_total_size(ETH_ALEN) : 0;
18108 link_info_size += nla_total_size(sizeof(u16));
18112 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
18113 cr->fils.kek_len + cr->fils.pmk_len +
18114 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0) + link_info_size,
18119 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
18125 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18126 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18128 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr)) ||
18129 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
18130 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
18133 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
18134 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
18135 cr->timeout_reason))) ||
18137 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
18139 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
18141 (cr->fils.update_erp_next_seq_num &&
18142 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
18143 cr->fils.erp_next_seq_num)) ||
18144 (cr->status == WLAN_STATUS_SUCCESS &&
18146 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
18149 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
18151 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
18152 goto nla_put_failure;
18154 if (cr->valid_links) {
18156 struct nlattr *nested;
18158 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18160 goto nla_put_failure;
18162 for_each_valid_link(cr, link) {
18163 struct nlattr *nested_mlo_links;
18164 const u8 *bssid = cr->links[link].bss ?
18165 cr->links[link].bss->bssid :
18166 cr->links[link].bssid;
18168 nested_mlo_links = nla_nest_start(msg, i);
18169 if (!nested_mlo_links)
18170 goto nla_put_failure;
18172 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
18174 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
18175 (cr->links[link].addr &&
18176 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
18177 cr->links[link].addr)) ||
18178 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
18179 cr->links[link].status))
18180 goto nla_put_failure;
18182 nla_nest_end(msg, nested_mlo_links);
18185 nla_nest_end(msg, nested);
18188 genlmsg_end(msg, hdr);
18190 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18191 NL80211_MCGRP_MLME, gfp);
18198 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
18199 struct net_device *netdev,
18200 struct cfg80211_roam_info *info, gfp_t gfp)
18202 struct sk_buff *msg;
18204 size_t link_info_size = 0;
18206 const u8 *connected_addr = info->ap_mld_addr ?
18207 info->ap_mld_addr :
18208 (info->links[0].bss ?
18209 info->links[0].bss->bssid :
18210 info->links[0].bssid);
18212 if (info->valid_links) {
18213 for_each_valid_link(info, link) {
18214 /* Nested attribute header */
18215 link_info_size += NLA_HDRLEN;
18217 link_info_size += nla_total_size(sizeof(u8));
18218 link_info_size += info->links[link].addr ?
18219 nla_total_size(ETH_ALEN) : 0;
18220 link_info_size += (info->links[link].bssid ||
18221 info->links[link].bss) ?
18222 nla_total_size(ETH_ALEN) : 0;
18226 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
18227 info->fils.kek_len + info->fils.pmk_len +
18228 (info->fils.pmkid ? WLAN_PMKID_LEN : 0) +
18229 link_info_size, gfp);
18233 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
18239 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18240 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18241 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr) ||
18243 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
18246 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
18248 (info->fils.update_erp_next_seq_num &&
18249 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
18250 info->fils.erp_next_seq_num)) ||
18252 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
18253 info->fils.kek)) ||
18255 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
18256 (info->fils.pmkid &&
18257 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
18258 goto nla_put_failure;
18260 if (info->valid_links) {
18262 struct nlattr *nested;
18264 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18266 goto nla_put_failure;
18268 for_each_valid_link(info, link) {
18269 struct nlattr *nested_mlo_links;
18270 const u8 *bssid = info->links[link].bss ?
18271 info->links[link].bss->bssid :
18272 info->links[link].bssid;
18274 nested_mlo_links = nla_nest_start(msg, i);
18275 if (!nested_mlo_links)
18276 goto nla_put_failure;
18278 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
18280 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
18281 (info->links[link].addr &&
18282 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
18283 info->links[link].addr)))
18284 goto nla_put_failure;
18286 nla_nest_end(msg, nested_mlo_links);
18289 nla_nest_end(msg, nested);
18292 genlmsg_end(msg, hdr);
18294 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18295 NL80211_MCGRP_MLME, gfp);
18302 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
18303 struct net_device *netdev, const u8 *peer_addr,
18304 const u8 *td_bitmap, u8 td_bitmap_len)
18306 struct sk_buff *msg;
18309 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18313 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
18319 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18320 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18321 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_addr))
18322 goto nla_put_failure;
18324 if ((td_bitmap_len > 0) && td_bitmap)
18325 if (nla_put(msg, NL80211_ATTR_TD_BITMAP,
18326 td_bitmap_len, td_bitmap))
18327 goto nla_put_failure;
18329 genlmsg_end(msg, hdr);
18331 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18332 NL80211_MCGRP_MLME, GFP_KERNEL);
18339 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
18340 struct net_device *netdev, u16 reason,
18341 const u8 *ie, size_t ie_len, bool from_ap)
18343 struct sk_buff *msg;
18346 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
18350 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
18356 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18357 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18359 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
18361 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
18362 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
18363 goto nla_put_failure;
18365 genlmsg_end(msg, hdr);
18367 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18368 NL80211_MCGRP_MLME, GFP_KERNEL);
18375 void cfg80211_links_removed(struct net_device *dev, u16 link_mask)
18377 struct wireless_dev *wdev = dev->ieee80211_ptr;
18378 struct wiphy *wiphy = wdev->wiphy;
18379 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18380 struct sk_buff *msg;
18381 struct nlattr *links;
18384 lockdep_assert_wiphy(wdev->wiphy);
18385 trace_cfg80211_links_removed(dev, link_mask);
18387 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
18388 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
18391 if (WARN_ON(!wdev->valid_links || !link_mask ||
18392 (wdev->valid_links & link_mask) != link_mask ||
18393 wdev->valid_links == link_mask))
18396 cfg80211_wdev_release_link_bsses(wdev, link_mask);
18397 wdev->valid_links &= ~link_mask;
18399 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18403 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_LINKS_REMOVED);
18409 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18410 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
18411 goto nla_put_failure;
18413 links = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18415 goto nla_put_failure;
18417 while (link_mask) {
18418 struct nlattr *link;
18419 int link_id = __ffs(link_mask);
18421 link = nla_nest_start(msg, link_id + 1);
18423 goto nla_put_failure;
18425 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
18426 goto nla_put_failure;
18428 nla_nest_end(msg, link);
18429 link_mask &= ~(1 << link_id);
18432 nla_nest_end(msg, links);
18434 genlmsg_end(msg, hdr);
18436 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18437 NL80211_MCGRP_MLME, GFP_KERNEL);
18443 EXPORT_SYMBOL(cfg80211_links_removed);
18445 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
18446 struct net_device *netdev, const u8 *bssid,
18449 struct sk_buff *msg;
18452 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18456 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
18462 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18463 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18464 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18465 goto nla_put_failure;
18467 genlmsg_end(msg, hdr);
18469 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18470 NL80211_MCGRP_MLME, gfp);
18477 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
18478 const u8 *ie, u8 ie_len,
18479 int sig_dbm, gfp_t gfp)
18481 struct wireless_dev *wdev = dev->ieee80211_ptr;
18482 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18483 struct sk_buff *msg;
18486 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
18489 trace_cfg80211_notify_new_peer_candidate(dev, addr);
18491 msg = nlmsg_new(100 + ie_len, gfp);
18495 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
18501 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18502 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18503 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
18505 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
18507 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
18508 goto nla_put_failure;
18510 genlmsg_end(msg, hdr);
18512 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18513 NL80211_MCGRP_MLME, gfp);
18519 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
18521 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
18522 struct net_device *netdev, const u8 *addr,
18523 enum nl80211_key_type key_type, int key_id,
18524 const u8 *tsc, gfp_t gfp)
18526 struct sk_buff *msg;
18529 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18533 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
18539 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18540 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18541 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
18542 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
18544 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
18545 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
18546 goto nla_put_failure;
18548 genlmsg_end(msg, hdr);
18550 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18551 NL80211_MCGRP_MLME, gfp);
18558 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
18559 struct ieee80211_channel *channel_before,
18560 struct ieee80211_channel *channel_after)
18562 struct sk_buff *msg;
18564 struct nlattr *nl_freq;
18566 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
18570 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
18577 * Since we are applying the beacon hint to a wiphy we know its
18578 * wiphy_idx is valid
18580 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
18581 goto nla_put_failure;
18584 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
18586 goto nla_put_failure;
18588 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
18589 goto nla_put_failure;
18590 nla_nest_end(msg, nl_freq);
18593 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
18595 goto nla_put_failure;
18597 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
18598 goto nla_put_failure;
18599 nla_nest_end(msg, nl_freq);
18601 genlmsg_end(msg, hdr);
18604 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
18605 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
18614 static void nl80211_send_remain_on_chan_event(
18615 int cmd, struct cfg80211_registered_device *rdev,
18616 struct wireless_dev *wdev, u64 cookie,
18617 struct ieee80211_channel *chan,
18618 unsigned int duration, gfp_t gfp)
18620 struct sk_buff *msg;
18623 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18627 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18633 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18634 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18635 wdev->netdev->ifindex)) ||
18636 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18637 NL80211_ATTR_PAD) ||
18638 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
18639 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
18640 NL80211_CHAN_NO_HT) ||
18641 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
18643 goto nla_put_failure;
18645 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
18646 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
18647 goto nla_put_failure;
18649 genlmsg_end(msg, hdr);
18651 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18652 NL80211_MCGRP_MLME, gfp);
18659 void cfg80211_assoc_comeback(struct net_device *netdev,
18660 const u8 *ap_addr, u32 timeout)
18662 struct wireless_dev *wdev = netdev->ieee80211_ptr;
18663 struct wiphy *wiphy = wdev->wiphy;
18664 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18665 struct sk_buff *msg;
18668 trace_cfg80211_assoc_comeback(wdev, ap_addr, timeout);
18670 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18674 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ASSOC_COMEBACK);
18680 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18681 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18682 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ap_addr) ||
18683 nla_put_u32(msg, NL80211_ATTR_TIMEOUT, timeout))
18684 goto nla_put_failure;
18686 genlmsg_end(msg, hdr);
18688 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18689 NL80211_MCGRP_MLME, GFP_KERNEL);
18695 EXPORT_SYMBOL(cfg80211_assoc_comeback);
18697 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
18698 struct ieee80211_channel *chan,
18699 unsigned int duration, gfp_t gfp)
18701 struct wiphy *wiphy = wdev->wiphy;
18702 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18704 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
18705 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
18706 rdev, wdev, cookie, chan,
18709 EXPORT_SYMBOL(cfg80211_ready_on_channel);
18711 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
18712 struct ieee80211_channel *chan,
18715 struct wiphy *wiphy = wdev->wiphy;
18716 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18718 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
18719 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
18720 rdev, wdev, cookie, chan, 0, gfp);
18722 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
18724 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
18725 struct ieee80211_channel *chan,
18728 struct wiphy *wiphy = wdev->wiphy;
18729 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18731 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
18732 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
18733 rdev, wdev, cookie, chan, 0, gfp);
18735 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
18737 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
18738 struct station_info *sinfo, gfp_t gfp)
18740 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18741 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18742 struct sk_buff *msg;
18744 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
18746 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18750 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
18751 rdev, dev, mac_addr, sinfo) < 0) {
18756 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18757 NL80211_MCGRP_MLME, gfp);
18759 EXPORT_SYMBOL(cfg80211_new_sta);
18761 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
18762 struct station_info *sinfo, gfp_t gfp)
18764 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18765 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18766 struct sk_buff *msg;
18767 struct station_info empty_sinfo = {};
18770 sinfo = &empty_sinfo;
18772 trace_cfg80211_del_sta(dev, mac_addr);
18774 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18776 cfg80211_sinfo_release_content(sinfo);
18780 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
18781 rdev, dev, mac_addr, sinfo) < 0) {
18786 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18787 NL80211_MCGRP_MLME, gfp);
18789 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
18791 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
18792 enum nl80211_connect_failed_reason reason,
18795 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18796 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18797 struct sk_buff *msg;
18800 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
18804 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
18810 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18811 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
18812 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
18813 goto nla_put_failure;
18815 genlmsg_end(msg, hdr);
18817 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18818 NL80211_MCGRP_MLME, gfp);
18824 EXPORT_SYMBOL(cfg80211_conn_failed);
18826 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
18827 const u8 *addr, gfp_t gfp)
18829 struct wireless_dev *wdev = dev->ieee80211_ptr;
18830 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18831 struct sk_buff *msg;
18833 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
18838 msg = nlmsg_new(100, gfp);
18842 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18848 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18849 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18850 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
18851 goto nla_put_failure;
18853 genlmsg_end(msg, hdr);
18854 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18862 bool cfg80211_rx_spurious_frame(struct net_device *dev,
18863 const u8 *addr, gfp_t gfp)
18865 struct wireless_dev *wdev = dev->ieee80211_ptr;
18868 trace_cfg80211_rx_spurious_frame(dev, addr);
18870 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18871 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
18872 trace_cfg80211_return_bool(false);
18875 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
18877 trace_cfg80211_return_bool(ret);
18880 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
18882 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
18883 const u8 *addr, gfp_t gfp)
18885 struct wireless_dev *wdev = dev->ieee80211_ptr;
18888 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
18890 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18891 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
18892 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
18893 trace_cfg80211_return_bool(false);
18896 ret = __nl80211_unexpected_frame(dev,
18897 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
18899 trace_cfg80211_return_bool(ret);
18902 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
18904 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
18905 struct wireless_dev *wdev, u32 nlportid,
18906 struct cfg80211_rx_info *info, gfp_t gfp)
18908 struct net_device *netdev = wdev->netdev;
18909 struct sk_buff *msg;
18912 msg = nlmsg_new(100 + info->len, gfp);
18916 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
18922 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18923 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18924 netdev->ifindex)) ||
18925 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18926 NL80211_ATTR_PAD) ||
18927 (info->have_link_id &&
18928 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, info->link_id)) ||
18929 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(info->freq)) ||
18930 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, info->freq % 1000) ||
18932 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, info->sig_dbm)) ||
18933 nla_put(msg, NL80211_ATTR_FRAME, info->len, info->buf) ||
18935 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, info->flags)) ||
18936 (info->rx_tstamp && nla_put_u64_64bit(msg,
18937 NL80211_ATTR_RX_HW_TIMESTAMP,
18939 NL80211_ATTR_PAD)) ||
18940 (info->ack_tstamp && nla_put_u64_64bit(msg,
18941 NL80211_ATTR_TX_HW_TIMESTAMP,
18943 NL80211_ATTR_PAD)))
18944 goto nla_put_failure;
18946 genlmsg_end(msg, hdr);
18948 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18955 static void nl80211_frame_tx_status(struct wireless_dev *wdev,
18956 struct cfg80211_tx_status *status,
18957 gfp_t gfp, enum nl80211_commands command)
18959 struct wiphy *wiphy = wdev->wiphy;
18960 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18961 struct net_device *netdev = wdev->netdev;
18962 struct sk_buff *msg;
18965 if (command == NL80211_CMD_FRAME_TX_STATUS)
18966 trace_cfg80211_mgmt_tx_status(wdev, status->cookie,
18969 trace_cfg80211_control_port_tx_status(wdev, status->cookie,
18972 msg = nlmsg_new(100 + status->len, gfp);
18976 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
18982 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18983 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18984 netdev->ifindex)) ||
18985 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18986 NL80211_ATTR_PAD) ||
18987 nla_put(msg, NL80211_ATTR_FRAME, status->len, status->buf) ||
18988 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, status->cookie,
18989 NL80211_ATTR_PAD) ||
18990 (status->ack && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
18991 (status->tx_tstamp &&
18992 nla_put_u64_64bit(msg, NL80211_ATTR_TX_HW_TIMESTAMP,
18993 status->tx_tstamp, NL80211_ATTR_PAD)) ||
18994 (status->ack_tstamp &&
18995 nla_put_u64_64bit(msg, NL80211_ATTR_RX_HW_TIMESTAMP,
18996 status->ack_tstamp, NL80211_ATTR_PAD)))
18997 goto nla_put_failure;
18999 genlmsg_end(msg, hdr);
19001 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19002 NL80211_MCGRP_MLME, gfp);
19009 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
19010 const u8 *buf, size_t len, bool ack,
19013 struct cfg80211_tx_status status = {
19020 nl80211_frame_tx_status(wdev, &status, gfp,
19021 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
19023 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
19025 void cfg80211_mgmt_tx_status_ext(struct wireless_dev *wdev,
19026 struct cfg80211_tx_status *status, gfp_t gfp)
19028 nl80211_frame_tx_status(wdev, status, gfp, NL80211_CMD_FRAME_TX_STATUS);
19030 EXPORT_SYMBOL(cfg80211_mgmt_tx_status_ext);
19032 static int __nl80211_rx_control_port(struct net_device *dev,
19033 struct sk_buff *skb,
19038 struct wireless_dev *wdev = dev->ieee80211_ptr;
19039 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19040 struct ethhdr *ehdr = eth_hdr(skb);
19041 const u8 *addr = ehdr->h_source;
19042 u16 proto = be16_to_cpu(skb->protocol);
19043 struct sk_buff *msg;
19045 struct nlattr *frame;
19047 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
19052 msg = nlmsg_new(100 + skb->len, gfp);
19056 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
19062 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19063 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19064 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19065 NL80211_ATTR_PAD) ||
19066 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
19067 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
19069 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
19070 (unencrypted && nla_put_flag(msg,
19071 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
19072 goto nla_put_failure;
19074 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
19076 goto nla_put_failure;
19078 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
19079 genlmsg_end(msg, hdr);
19081 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
19088 bool cfg80211_rx_control_port(struct net_device *dev, struct sk_buff *skb,
19089 bool unencrypted, int link_id)
19093 trace_cfg80211_rx_control_port(dev, skb, unencrypted, link_id);
19094 ret = __nl80211_rx_control_port(dev, skb, unencrypted, link_id,
19096 trace_cfg80211_return_bool(ret == 0);
19099 EXPORT_SYMBOL(cfg80211_rx_control_port);
19101 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
19102 const char *mac, gfp_t gfp)
19104 struct wireless_dev *wdev = dev->ieee80211_ptr;
19105 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19106 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19112 cb = (void **)msg->cb;
19114 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
19120 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19121 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19122 goto nla_put_failure;
19124 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
19125 goto nla_put_failure;
19127 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
19129 goto nla_put_failure;
19139 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
19141 void **cb = (void **)msg->cb;
19142 struct cfg80211_registered_device *rdev = cb[2];
19144 nla_nest_end(msg, cb[1]);
19145 genlmsg_end(msg, cb[0]);
19147 memset(msg->cb, 0, sizeof(msg->cb));
19149 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19150 NL80211_MCGRP_MLME, gfp);
19153 void cfg80211_cqm_rssi_notify(struct net_device *dev,
19154 enum nl80211_cqm_rssi_threshold_event rssi_event,
19155 s32 rssi_level, gfp_t gfp)
19157 struct wireless_dev *wdev = dev->ieee80211_ptr;
19158 struct cfg80211_cqm_config *cqm_config;
19160 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
19162 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
19163 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
19167 cqm_config = rcu_dereference(wdev->cqm_config);
19169 cqm_config->last_rssi_event_value = rssi_level;
19170 cqm_config->last_rssi_event_type = rssi_event;
19171 wiphy_work_queue(wdev->wiphy, &wdev->cqm_rssi_work);
19175 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
19177 void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy, struct wiphy_work *work)
19179 struct wireless_dev *wdev = container_of(work, struct wireless_dev,
19181 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19182 enum nl80211_cqm_rssi_threshold_event rssi_event;
19183 struct cfg80211_cqm_config *cqm_config;
19184 struct sk_buff *msg;
19187 cqm_config = wiphy_dereference(wdev->wiphy, wdev->cqm_config);
19191 if (cqm_config->use_range_api)
19192 cfg80211_cqm_rssi_update(rdev, wdev->netdev, cqm_config);
19194 rssi_level = cqm_config->last_rssi_event_value;
19195 rssi_event = cqm_config->last_rssi_event_type;
19197 msg = cfg80211_prepare_cqm(wdev->netdev, NULL, GFP_KERNEL);
19201 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
19203 goto nla_put_failure;
19205 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
19207 goto nla_put_failure;
19209 cfg80211_send_cqm(msg, GFP_KERNEL);
19217 void cfg80211_cqm_txe_notify(struct net_device *dev,
19218 const u8 *peer, u32 num_packets,
19219 u32 rate, u32 intvl, gfp_t gfp)
19221 struct sk_buff *msg;
19223 msg = cfg80211_prepare_cqm(dev, peer, gfp);
19227 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
19228 goto nla_put_failure;
19230 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
19231 goto nla_put_failure;
19233 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
19234 goto nla_put_failure;
19236 cfg80211_send_cqm(msg, gfp);
19242 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
19244 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
19245 const u8 *peer, u32 num_packets, gfp_t gfp)
19247 struct sk_buff *msg;
19249 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
19251 msg = cfg80211_prepare_cqm(dev, peer, gfp);
19255 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
19256 goto nla_put_failure;
19258 cfg80211_send_cqm(msg, gfp);
19264 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
19266 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
19268 struct sk_buff *msg;
19270 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
19274 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
19275 goto nla_put_failure;
19277 cfg80211_send_cqm(msg, gfp);
19283 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
19285 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
19286 struct net_device *netdev, const u8 *bssid,
19287 const u8 *replay_ctr, gfp_t gfp)
19289 struct sk_buff *msg;
19290 struct nlattr *rekey_attr;
19293 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19297 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
19303 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19304 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19305 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
19306 goto nla_put_failure;
19308 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
19310 goto nla_put_failure;
19312 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
19313 NL80211_REPLAY_CTR_LEN, replay_ctr))
19314 goto nla_put_failure;
19316 nla_nest_end(msg, rekey_attr);
19318 genlmsg_end(msg, hdr);
19320 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19321 NL80211_MCGRP_MLME, gfp);
19328 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
19329 const u8 *replay_ctr, gfp_t gfp)
19331 struct wireless_dev *wdev = dev->ieee80211_ptr;
19332 struct wiphy *wiphy = wdev->wiphy;
19333 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19335 trace_cfg80211_gtk_rekey_notify(dev, bssid);
19336 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
19338 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
19341 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
19342 struct net_device *netdev, int index,
19343 const u8 *bssid, bool preauth, gfp_t gfp)
19345 struct sk_buff *msg;
19346 struct nlattr *attr;
19349 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19353 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
19359 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19360 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
19361 goto nla_put_failure;
19363 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
19365 goto nla_put_failure;
19367 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
19368 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
19370 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
19371 goto nla_put_failure;
19373 nla_nest_end(msg, attr);
19375 genlmsg_end(msg, hdr);
19377 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19378 NL80211_MCGRP_MLME, gfp);
19385 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
19386 const u8 *bssid, bool preauth, gfp_t gfp)
19388 struct wireless_dev *wdev = dev->ieee80211_ptr;
19389 struct wiphy *wiphy = wdev->wiphy;
19390 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19392 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
19393 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
19395 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
19397 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
19398 struct net_device *netdev,
19399 unsigned int link_id,
19400 struct cfg80211_chan_def *chandef,
19402 enum nl80211_commands notif,
19403 u8 count, bool quiet, u16 punct_bitmap)
19405 struct wireless_dev *wdev = netdev->ieee80211_ptr;
19406 struct sk_buff *msg;
19409 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19413 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
19419 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
19420 goto nla_put_failure;
19422 if (wdev->valid_links &&
19423 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
19424 goto nla_put_failure;
19426 if (nl80211_send_chandef(msg, chandef))
19427 goto nla_put_failure;
19429 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
19430 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
19431 goto nla_put_failure;
19433 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
19434 goto nla_put_failure;
19437 if (nla_put_u32(msg, NL80211_ATTR_PUNCT_BITMAP, punct_bitmap))
19438 goto nla_put_failure;
19440 genlmsg_end(msg, hdr);
19442 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19443 NL80211_MCGRP_MLME, gfp);
19450 void cfg80211_ch_switch_notify(struct net_device *dev,
19451 struct cfg80211_chan_def *chandef,
19452 unsigned int link_id, u16 punct_bitmap)
19454 struct wireless_dev *wdev = dev->ieee80211_ptr;
19455 struct wiphy *wiphy = wdev->wiphy;
19456 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19458 lockdep_assert_wiphy(wdev->wiphy);
19459 WARN_INVALID_LINK_ID(wdev, link_id);
19461 trace_cfg80211_ch_switch_notify(dev, chandef, link_id, punct_bitmap);
19463 switch (wdev->iftype) {
19464 case NL80211_IFTYPE_STATION:
19465 case NL80211_IFTYPE_P2P_CLIENT:
19466 if (!WARN_ON(!wdev->links[link_id].client.current_bss))
19467 cfg80211_update_assoc_bss_entry(wdev, link_id,
19470 case NL80211_IFTYPE_MESH_POINT:
19471 wdev->u.mesh.chandef = *chandef;
19472 wdev->u.mesh.preset_chandef = *chandef;
19474 case NL80211_IFTYPE_AP:
19475 case NL80211_IFTYPE_P2P_GO:
19476 wdev->links[link_id].ap.chandef = *chandef;
19478 case NL80211_IFTYPE_ADHOC:
19479 wdev->u.ibss.chandef = *chandef;
19486 cfg80211_schedule_channels_check(wdev);
19487 cfg80211_sched_dfs_chan_update(rdev);
19489 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
19490 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false,
19493 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
19495 void cfg80211_ch_switch_started_notify(struct net_device *dev,
19496 struct cfg80211_chan_def *chandef,
19497 unsigned int link_id, u8 count,
19498 bool quiet, u16 punct_bitmap)
19500 struct wireless_dev *wdev = dev->ieee80211_ptr;
19501 struct wiphy *wiphy = wdev->wiphy;
19502 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19504 lockdep_assert_wiphy(wdev->wiphy);
19505 WARN_INVALID_LINK_ID(wdev, link_id);
19507 trace_cfg80211_ch_switch_started_notify(dev, chandef, link_id,
19511 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
19512 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
19513 count, quiet, punct_bitmap);
19515 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
19517 int cfg80211_bss_color_notify(struct net_device *dev,
19518 enum nl80211_commands cmd, u8 count,
19521 struct wireless_dev *wdev = dev->ieee80211_ptr;
19522 struct wiphy *wiphy = wdev->wiphy;
19523 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19524 struct sk_buff *msg;
19527 lockdep_assert_wiphy(wdev->wiphy);
19529 trace_cfg80211_bss_color_notify(dev, cmd, count, color_bitmap);
19531 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
19535 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
19537 goto nla_put_failure;
19539 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19540 goto nla_put_failure;
19542 if (cmd == NL80211_CMD_COLOR_CHANGE_STARTED &&
19543 nla_put_u32(msg, NL80211_ATTR_COLOR_CHANGE_COUNT, count))
19544 goto nla_put_failure;
19546 if (cmd == NL80211_CMD_OBSS_COLOR_COLLISION &&
19547 nla_put_u64_64bit(msg, NL80211_ATTR_OBSS_COLOR_BITMAP,
19548 color_bitmap, NL80211_ATTR_PAD))
19549 goto nla_put_failure;
19551 genlmsg_end(msg, hdr);
19553 return genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
19554 msg, 0, NL80211_MCGRP_MLME, GFP_KERNEL);
19560 EXPORT_SYMBOL(cfg80211_bss_color_notify);
19563 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
19564 const struct cfg80211_chan_def *chandef,
19565 enum nl80211_radar_event event,
19566 struct net_device *netdev, gfp_t gfp)
19568 struct sk_buff *msg;
19571 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19575 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
19581 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19582 goto nla_put_failure;
19584 /* NOP and radar events don't need a netdev parameter */
19586 struct wireless_dev *wdev = netdev->ieee80211_ptr;
19588 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19589 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19591 goto nla_put_failure;
19594 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
19595 goto nla_put_failure;
19597 if (nl80211_send_chandef(msg, chandef))
19598 goto nla_put_failure;
19600 genlmsg_end(msg, hdr);
19602 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19603 NL80211_MCGRP_MLME, gfp);
19610 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
19611 struct sta_opmode_info *sta_opmode,
19614 struct sk_buff *msg;
19615 struct wireless_dev *wdev = dev->ieee80211_ptr;
19616 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19622 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19626 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
19632 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19633 goto nla_put_failure;
19635 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19636 goto nla_put_failure;
19638 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
19639 goto nla_put_failure;
19641 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
19642 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
19643 goto nla_put_failure;
19645 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
19646 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
19647 goto nla_put_failure;
19649 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
19650 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
19651 goto nla_put_failure;
19653 genlmsg_end(msg, hdr);
19655 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19656 NL80211_MCGRP_MLME, gfp);
19663 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
19665 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
19666 u64 cookie, bool acked, s32 ack_signal,
19667 bool is_valid_ack_signal, gfp_t gfp)
19669 struct wireless_dev *wdev = dev->ieee80211_ptr;
19670 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19671 struct sk_buff *msg;
19674 trace_cfg80211_probe_status(dev, addr, cookie, acked);
19676 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19681 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
19687 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19688 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19689 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
19690 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
19691 NL80211_ATTR_PAD) ||
19692 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
19693 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
19695 goto nla_put_failure;
19697 genlmsg_end(msg, hdr);
19699 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19700 NL80211_MCGRP_MLME, gfp);
19706 EXPORT_SYMBOL(cfg80211_probe_status);
19708 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
19709 size_t len, int freq, int sig_dbm)
19711 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19712 struct sk_buff *msg;
19714 struct cfg80211_beacon_registration *reg;
19716 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
19718 spin_lock_bh(&rdev->beacon_registrations_lock);
19719 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
19720 msg = nlmsg_new(len + 100, GFP_ATOMIC);
19722 spin_unlock_bh(&rdev->beacon_registrations_lock);
19726 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
19728 goto nla_put_failure;
19730 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19732 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
19733 KHZ_TO_MHZ(freq)) ||
19734 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
19737 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19738 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
19739 goto nla_put_failure;
19741 genlmsg_end(msg, hdr);
19743 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
19745 spin_unlock_bh(&rdev->beacon_registrations_lock);
19749 spin_unlock_bh(&rdev->beacon_registrations_lock);
19752 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
19755 static int cfg80211_net_detect_results(struct sk_buff *msg,
19756 struct cfg80211_wowlan_wakeup *wakeup)
19758 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
19759 struct nlattr *nl_results, *nl_match, *nl_freqs;
19762 nl_results = nla_nest_start_noflag(msg,
19763 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
19767 for (i = 0; i < nd->n_matches; i++) {
19768 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
19770 nl_match = nla_nest_start_noflag(msg, i);
19774 /* The SSID attribute is optional in nl80211, but for
19775 * simplicity reasons it's always present in the
19776 * cfg80211 structure. If a driver can't pass the
19777 * SSID, that needs to be changed. A zero length SSID
19778 * is still a valid SSID (wildcard), so it cannot be
19779 * used for this purpose.
19781 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
19782 match->ssid.ssid)) {
19783 nla_nest_cancel(msg, nl_match);
19787 if (match->n_channels) {
19788 nl_freqs = nla_nest_start_noflag(msg,
19789 NL80211_ATTR_SCAN_FREQUENCIES);
19791 nla_nest_cancel(msg, nl_match);
19795 for (j = 0; j < match->n_channels; j++) {
19796 if (nla_put_u32(msg, j, match->channels[j])) {
19797 nla_nest_cancel(msg, nl_freqs);
19798 nla_nest_cancel(msg, nl_match);
19803 nla_nest_end(msg, nl_freqs);
19806 nla_nest_end(msg, nl_match);
19810 nla_nest_end(msg, nl_results);
19814 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
19815 struct cfg80211_wowlan_wakeup *wakeup,
19818 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19819 struct sk_buff *msg;
19823 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
19826 size += wakeup->packet_present_len;
19828 msg = nlmsg_new(size, gfp);
19832 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
19836 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19837 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19841 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
19842 wdev->netdev->ifindex))
19846 struct nlattr *reasons;
19848 reasons = nla_nest_start_noflag(msg,
19849 NL80211_ATTR_WOWLAN_TRIGGERS);
19853 if (wakeup->disconnect &&
19854 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
19856 if (wakeup->magic_pkt &&
19857 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
19859 if (wakeup->gtk_rekey_failure &&
19860 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
19862 if (wakeup->eap_identity_req &&
19863 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
19865 if (wakeup->four_way_handshake &&
19866 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
19868 if (wakeup->rfkill_release &&
19869 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
19872 if (wakeup->pattern_idx >= 0 &&
19873 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
19874 wakeup->pattern_idx))
19877 if (wakeup->tcp_match &&
19878 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
19881 if (wakeup->tcp_connlost &&
19882 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
19885 if (wakeup->tcp_nomoretokens &&
19887 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
19890 if (wakeup->packet) {
19891 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
19892 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
19894 if (!wakeup->packet_80211) {
19896 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
19898 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
19901 if (wakeup->packet_len &&
19902 nla_put_u32(msg, len_attr, wakeup->packet_len))
19905 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
19910 if (wakeup->net_detect &&
19911 cfg80211_net_detect_results(msg, wakeup))
19914 nla_nest_end(msg, reasons);
19917 genlmsg_end(msg, hdr);
19919 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19920 NL80211_MCGRP_MLME, gfp);
19926 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
19929 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
19930 enum nl80211_tdls_operation oper,
19931 u16 reason_code, gfp_t gfp)
19933 struct wireless_dev *wdev = dev->ieee80211_ptr;
19934 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19935 struct sk_buff *msg;
19938 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
19941 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19945 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
19951 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19952 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19953 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
19954 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
19955 (reason_code > 0 &&
19956 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
19957 goto nla_put_failure;
19959 genlmsg_end(msg, hdr);
19961 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19962 NL80211_MCGRP_MLME, gfp);
19968 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
19970 static int nl80211_netlink_notify(struct notifier_block * nb,
19971 unsigned long state,
19974 struct netlink_notify *notify = _notify;
19975 struct cfg80211_registered_device *rdev;
19976 struct wireless_dev *wdev;
19977 struct cfg80211_beacon_registration *reg, *tmp;
19979 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
19980 return NOTIFY_DONE;
19984 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
19985 struct cfg80211_sched_scan_request *sched_scan_req;
19987 list_for_each_entry_rcu(sched_scan_req,
19988 &rdev->sched_scan_req_list,
19990 if (sched_scan_req->owner_nlportid == notify->portid) {
19991 sched_scan_req->nl_owner_dead = true;
19992 wiphy_work_queue(&rdev->wiphy,
19993 &rdev->sched_scan_stop_wk);
19997 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
19998 cfg80211_mlme_unregister_socket(wdev, notify->portid);
20000 if (wdev->owner_nlportid == notify->portid) {
20001 wdev->nl_owner_dead = true;
20002 schedule_work(&rdev->destroy_work);
20003 } else if (wdev->conn_owner_nlportid == notify->portid) {
20004 schedule_work(&wdev->disconnect_wk);
20007 cfg80211_release_pmsr(wdev, notify->portid);
20010 spin_lock_bh(&rdev->beacon_registrations_lock);
20011 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
20013 if (reg->nlportid == notify->portid) {
20014 list_del(®->list);
20019 spin_unlock_bh(&rdev->beacon_registrations_lock);
20025 * It is possible that the user space process that is controlling the
20026 * indoor setting disappeared, so notify the regulatory core.
20028 regulatory_netlink_notify(notify->portid);
20032 static struct notifier_block nl80211_netlink_notifier = {
20033 .notifier_call = nl80211_netlink_notify,
20036 void cfg80211_ft_event(struct net_device *netdev,
20037 struct cfg80211_ft_event_params *ft_event)
20039 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
20040 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
20041 struct sk_buff *msg;
20044 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
20046 if (!ft_event->target_ap)
20049 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
20054 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
20058 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20059 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
20060 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
20063 if (ft_event->ies &&
20064 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
20066 if (ft_event->ric_ies &&
20067 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
20068 ft_event->ric_ies))
20071 genlmsg_end(msg, hdr);
20073 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
20074 NL80211_MCGRP_MLME, GFP_KERNEL);
20079 EXPORT_SYMBOL(cfg80211_ft_event);
20081 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
20083 struct cfg80211_registered_device *rdev;
20084 struct sk_buff *msg;
20088 rdev = wiphy_to_rdev(wdev->wiphy);
20089 if (!rdev->crit_proto_nlportid)
20092 nlportid = rdev->crit_proto_nlportid;
20093 rdev->crit_proto_nlportid = 0;
20095 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
20099 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
20101 goto nla_put_failure;
20103 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20104 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
20106 goto nla_put_failure;
20108 genlmsg_end(msg, hdr);
20110 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
20116 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
20118 void nl80211_send_ap_stopped(struct wireless_dev *wdev, unsigned int link_id)
20120 struct wiphy *wiphy = wdev->wiphy;
20121 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
20122 struct sk_buff *msg;
20125 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
20129 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
20133 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20134 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
20135 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
20136 NL80211_ATTR_PAD) ||
20137 (wdev->valid_links &&
20138 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)))
20141 genlmsg_end(msg, hdr);
20143 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
20144 NL80211_MCGRP_MLME, GFP_KERNEL);
20150 int cfg80211_external_auth_request(struct net_device *dev,
20151 struct cfg80211_external_auth_params *params,
20154 struct wireless_dev *wdev = dev->ieee80211_ptr;
20155 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
20156 struct sk_buff *msg;
20159 if (!wdev->conn_owner_nlportid)
20162 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
20166 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
20168 goto nla_put_failure;
20170 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20171 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
20172 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
20173 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
20175 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
20176 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
20177 params->ssid.ssid) ||
20178 (!is_zero_ether_addr(params->mld_addr) &&
20179 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN, params->mld_addr)))
20180 goto nla_put_failure;
20182 genlmsg_end(msg, hdr);
20183 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
20184 wdev->conn_owner_nlportid);
20191 EXPORT_SYMBOL(cfg80211_external_auth_request);
20193 void cfg80211_update_owe_info_event(struct net_device *netdev,
20194 struct cfg80211_update_owe_info *owe_info,
20197 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
20198 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
20199 struct sk_buff *msg;
20202 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
20204 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
20208 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
20210 goto nla_put_failure;
20212 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20213 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
20214 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
20215 goto nla_put_failure;
20217 if (!owe_info->ie_len ||
20218 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
20219 goto nla_put_failure;
20221 if (owe_info->assoc_link_id != -1) {
20222 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
20223 owe_info->assoc_link_id))
20224 goto nla_put_failure;
20226 if (!is_zero_ether_addr(owe_info->peer_mld_addr) &&
20227 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
20228 owe_info->peer_mld_addr))
20229 goto nla_put_failure;
20232 genlmsg_end(msg, hdr);
20234 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
20235 NL80211_MCGRP_MLME, gfp);
20239 genlmsg_cancel(msg, hdr);
20242 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
20244 void cfg80211_schedule_channels_check(struct wireless_dev *wdev)
20246 struct wiphy *wiphy = wdev->wiphy;
20248 /* Schedule channels check if NO_IR or DFS relaxations are supported */
20249 if (wdev->iftype == NL80211_IFTYPE_STATION &&
20250 (wiphy_ext_feature_isset(wiphy,
20251 NL80211_EXT_FEATURE_DFS_CONCURRENT) ||
20252 (IS_ENABLED(CONFIG_CFG80211_REG_RELAX_NO_IR) &&
20253 wiphy->regulatory_flags & REGULATORY_ENABLE_RELAX_NO_IR)))
20254 reg_check_channels();
20256 EXPORT_SYMBOL(cfg80211_schedule_channels_check);
20258 /* initialisation/exit functions */
20260 int __init nl80211_init(void)
20264 err = genl_register_family(&nl80211_fam);
20268 err = netlink_register_notifier(&nl80211_netlink_notifier);
20274 genl_unregister_family(&nl80211_fam);
20278 void nl80211_exit(void)
20280 netlink_unregister_notifier(&nl80211_netlink_notifier);
20281 genl_unregister_family(&nl80211_fam);