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 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
110 struct wireless_dev *wdev;
112 if (wiphy_net(&rdev->wiphy) != netns)
115 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
118 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
119 if (have_ifidx && wdev->netdev &&
120 wdev->netdev->ifindex == ifidx) {
124 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
136 return ERR_PTR(-ENODEV);
139 static struct cfg80211_registered_device *
140 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
142 struct cfg80211_registered_device *rdev = NULL, *tmp;
143 struct net_device *netdev;
147 if (!attrs[NL80211_ATTR_WIPHY] &&
148 !attrs[NL80211_ATTR_IFINDEX] &&
149 !attrs[NL80211_ATTR_WDEV])
150 return ERR_PTR(-EINVAL);
152 if (attrs[NL80211_ATTR_WIPHY])
153 rdev = cfg80211_rdev_by_wiphy_idx(
154 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
156 if (attrs[NL80211_ATTR_WDEV]) {
157 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
158 struct wireless_dev *wdev;
161 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
163 /* make sure wdev exists */
164 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
165 if (wdev->identifier != (u32)wdev_id)
174 if (rdev && tmp != rdev)
175 return ERR_PTR(-EINVAL);
180 if (attrs[NL80211_ATTR_IFINDEX]) {
181 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
183 netdev = __dev_get_by_index(netns, ifindex);
185 if (netdev->ieee80211_ptr)
187 netdev->ieee80211_ptr->wiphy);
191 /* not wireless device -- return error */
193 return ERR_PTR(-EINVAL);
195 /* mismatch -- return error */
196 if (rdev && tmp != rdev)
197 return ERR_PTR(-EINVAL);
204 return ERR_PTR(-ENODEV);
206 if (netns != wiphy_net(&rdev->wiphy))
207 return ERR_PTR(-ENODEV);
213 * This function returns a pointer to the driver
214 * that the genl_info item that is passed refers to.
216 * The result of this can be a PTR_ERR and hence must
217 * be checked with IS_ERR() for errors.
219 static struct cfg80211_registered_device *
220 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
222 return __cfg80211_rdev_from_attrs(netns, info->attrs);
225 static int validate_beacon_head(const struct nlattr *attr,
226 struct netlink_ext_ack *extack)
228 const u8 *data = nla_data(attr);
229 unsigned int len = nla_len(attr);
230 const struct element *elem;
231 const struct ieee80211_mgmt *mgmt = (void *)data;
232 unsigned int fixedlen, hdrlen;
235 if (len < offsetofend(typeof(*mgmt), frame_control))
238 s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control);
240 fixedlen = offsetof(struct ieee80211_ext,
241 u.s1g_beacon.variable);
242 hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon);
244 fixedlen = offsetof(struct ieee80211_mgmt,
246 hdrlen = offsetof(struct ieee80211_mgmt, u.beacon);
252 if (ieee80211_hdrlen(mgmt->frame_control) != hdrlen)
258 for_each_element(elem, data, len) {
262 if (for_each_element_completed(elem, data, len))
266 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
270 static int validate_ie_attr(const struct nlattr *attr,
271 struct netlink_ext_ack *extack)
273 const u8 *data = nla_data(attr);
274 unsigned int len = nla_len(attr);
275 const struct element *elem;
277 for_each_element(elem, data, len) {
281 if (for_each_element_completed(elem, data, len))
284 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
288 static int validate_he_capa(const struct nlattr *attr,
289 struct netlink_ext_ack *extack)
291 if (!ieee80211_he_capa_size_ok(nla_data(attr), nla_len(attr)))
297 /* policy for the attributes */
298 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
300 static const struct nla_policy
301 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
302 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
303 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
305 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
309 static const struct nla_policy
310 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
311 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
312 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
313 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
314 NLA_POLICY_MAX(NLA_U8, 15),
315 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
316 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
317 NLA_POLICY_MAX(NLA_U8, 15),
318 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
319 NLA_POLICY_MAX(NLA_U8, 31),
320 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
321 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
322 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
323 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
324 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
325 [NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK] = { .type = NLA_FLAG },
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 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 },
823 /* policy for the key attributes */
824 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
825 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
826 [NL80211_KEY_IDX] = { .type = NLA_U8 },
827 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
828 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
829 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
830 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
831 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
832 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
833 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
836 /* policy for the key default flags */
837 static const struct nla_policy
838 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
839 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
840 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
844 /* policy for WoWLAN attributes */
845 static const struct nla_policy
846 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
847 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
848 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
849 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
850 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
851 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
852 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
853 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
854 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
855 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
856 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
859 static const struct nla_policy
860 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
861 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
862 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
863 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
864 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
865 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
866 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
867 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
868 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
870 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
871 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
873 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
874 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
875 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
877 #endif /* CONFIG_PM */
879 /* policy for coalesce rule attributes */
880 static const struct nla_policy
881 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
882 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
883 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
884 NLA_POLICY_RANGE(NLA_U32,
885 NL80211_COALESCE_CONDITION_MATCH,
886 NL80211_COALESCE_CONDITION_NO_MATCH),
887 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
890 /* policy for GTK rekey offload attributes */
891 static const struct nla_policy
892 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
893 [NL80211_REKEY_DATA_KEK] = {
895 .len = NL80211_KEK_EXT_LEN
897 [NL80211_REKEY_DATA_KCK] = {
899 .len = NL80211_KCK_EXT_LEN_32
901 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
902 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
905 static const struct nla_policy
906 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
907 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
908 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
909 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
910 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
911 [NL80211_BAND_LC] = { .type = NLA_S32 },
914 static const struct nla_policy
915 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
916 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
917 .len = IEEE80211_MAX_SSID_LEN },
918 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
919 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
920 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
921 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
924 static const struct nla_policy
925 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
926 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
927 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
930 static const struct nla_policy
931 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
932 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
933 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
934 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
935 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
939 /* policy for NAN function attributes */
940 static const struct nla_policy
941 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
942 [NL80211_NAN_FUNC_TYPE] =
943 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
944 [NL80211_NAN_FUNC_SERVICE_ID] = {
945 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
946 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
947 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
948 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
949 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
950 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
951 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
952 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
953 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
954 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
955 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
956 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
957 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
958 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
959 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
960 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
963 /* policy for Service Response Filter attributes */
964 static const struct nla_policy
965 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
966 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
967 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
968 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
969 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
970 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
973 /* policy for packet pattern attributes */
974 static const struct nla_policy
975 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
976 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
977 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
978 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
981 static int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
982 struct cfg80211_registered_device **rdev,
983 struct wireless_dev **wdev,
984 struct nlattr **attrbuf)
989 struct nlattr **attrbuf_free = NULL;
992 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
996 attrbuf_free = attrbuf;
999 err = nlmsg_parse_deprecated(cb->nlh,
1000 GENL_HDRLEN + nl80211_fam.hdrsize,
1001 attrbuf, nl80211_fam.maxattr,
1002 nl80211_policy, NULL);
1004 kfree(attrbuf_free);
1009 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
1011 kfree(attrbuf_free);
1012 if (IS_ERR(*wdev)) {
1014 return PTR_ERR(*wdev);
1016 *rdev = wiphy_to_rdev((*wdev)->wiphy);
1017 mutex_lock(&(*rdev)->wiphy.mtx);
1019 /* 0 is the first index - add 1 to parse only once */
1020 cb->args[0] = (*rdev)->wiphy_idx + 1;
1021 cb->args[1] = (*wdev)->identifier;
1023 /* subtract the 1 again here */
1024 struct wiphy *wiphy;
1025 struct wireless_dev *tmp;
1028 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
1033 *rdev = wiphy_to_rdev(wiphy);
1036 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
1037 if (tmp->identifier == cb->args[1]) {
1047 mutex_lock(&(*rdev)->wiphy.mtx);
1054 /* message building helper */
1055 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
1058 /* since there is no private header just add the generic one */
1059 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
1062 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
1063 const struct ieee80211_reg_rule *rule)
1066 struct nlattr *nl_wmm_rules =
1067 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
1070 goto nla_put_failure;
1072 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
1073 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
1076 goto nla_put_failure;
1078 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
1079 rule->wmm_rule.client[j].cw_min) ||
1080 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
1081 rule->wmm_rule.client[j].cw_max) ||
1082 nla_put_u8(msg, NL80211_WMMR_AIFSN,
1083 rule->wmm_rule.client[j].aifsn) ||
1084 nla_put_u16(msg, NL80211_WMMR_TXOP,
1085 rule->wmm_rule.client[j].cot))
1086 goto nla_put_failure;
1088 nla_nest_end(msg, nl_wmm_rule);
1090 nla_nest_end(msg, nl_wmm_rules);
1098 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
1099 struct ieee80211_channel *chan,
1102 /* Some channels must be completely excluded from the
1103 * list to protect old user-space tools from breaking
1105 if (!large && chan->flags &
1106 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1108 if (!large && chan->freq_offset)
1111 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1113 goto nla_put_failure;
1115 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1116 goto nla_put_failure;
1118 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1119 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1120 goto nla_put_failure;
1121 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1122 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1123 goto nla_put_failure;
1124 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1125 goto nla_put_failure;
1127 if (chan->flags & IEEE80211_CHAN_RADAR) {
1128 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1129 goto nla_put_failure;
1133 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1135 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1137 goto nla_put_failure;
1138 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1140 goto nla_put_failure;
1141 if (nla_put_u32(msg,
1142 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1144 goto nla_put_failure;
1149 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1150 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1151 goto nla_put_failure;
1152 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1153 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1154 goto nla_put_failure;
1155 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1156 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1157 goto nla_put_failure;
1158 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1159 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1160 goto nla_put_failure;
1161 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1162 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1163 goto nla_put_failure;
1164 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1165 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
1166 goto nla_put_failure;
1167 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1168 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1169 goto nla_put_failure;
1170 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1171 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1172 goto nla_put_failure;
1173 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1174 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1175 goto nla_put_failure;
1176 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1177 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1178 goto nla_put_failure;
1179 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1180 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1181 goto nla_put_failure;
1182 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1183 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1184 goto nla_put_failure;
1185 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1186 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1187 goto nla_put_failure;
1188 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1189 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1190 goto nla_put_failure;
1191 if ((chan->flags & IEEE80211_CHAN_NO_320MHZ) &&
1192 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_320MHZ))
1193 goto nla_put_failure;
1194 if ((chan->flags & IEEE80211_CHAN_NO_EHT) &&
1195 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_EHT))
1196 goto nla_put_failure;
1199 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1200 DBM_TO_MBM(chan->max_power)))
1201 goto nla_put_failure;
1204 const struct ieee80211_reg_rule *rule =
1205 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
1207 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
1208 if (nl80211_msg_put_wmm_rules(msg, rule))
1209 goto nla_put_failure;
1219 static bool nl80211_put_txq_stats(struct sk_buff *msg,
1220 struct cfg80211_txq_stats *txqstats,
1223 struct nlattr *txqattr;
1225 #define PUT_TXQVAL_U32(attr, memb) do { \
1226 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1227 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1231 txqattr = nla_nest_start_noflag(msg, attrtype);
1235 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1236 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1237 PUT_TXQVAL_U32(FLOWS, flows);
1238 PUT_TXQVAL_U32(DROPS, drops);
1239 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1240 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1241 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1242 PUT_TXQVAL_U32(COLLISIONS, collisions);
1243 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1244 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1245 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1246 nla_nest_end(msg, txqattr);
1248 #undef PUT_TXQVAL_U32
1252 /* netlink command implementations */
1255 * nl80211_link_id - return link ID
1256 * @attrs: attributes to look at
1258 * Returns: the link ID or 0 if not given
1260 * Note this function doesn't do any validation of the link
1261 * ID validity wrt. links that were actually added, so it must
1262 * be called only from ops with %NL80211_FLAG_MLO_VALID_LINK_ID
1263 * or if additional validation is done.
1265 static unsigned int nl80211_link_id(struct nlattr **attrs)
1267 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1272 return nla_get_u8(linkid);
1275 static int nl80211_link_id_or_invalid(struct nlattr **attrs)
1277 struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
1282 return nla_get_u8(linkid);
1286 struct key_params p;
1289 bool def, defmgmt, defbeacon;
1290 bool def_uni, def_multi;
1293 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1294 struct key_parse *k)
1296 struct nlattr *tb[NL80211_KEY_MAX + 1];
1297 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1303 k->def = !!tb[NL80211_KEY_DEFAULT];
1304 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1305 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
1309 k->def_multi = true;
1311 if (k->defmgmt || k->defbeacon)
1312 k->def_multi = true;
1314 if (tb[NL80211_KEY_IDX])
1315 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1317 if (tb[NL80211_KEY_DATA]) {
1318 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1319 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1322 if (tb[NL80211_KEY_SEQ]) {
1323 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1324 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1327 if (tb[NL80211_KEY_CIPHER])
1328 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1330 if (tb[NL80211_KEY_TYPE])
1331 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1333 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1334 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1336 err = nla_parse_nested_deprecated(kdt,
1337 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1338 tb[NL80211_KEY_DEFAULT_TYPES],
1339 nl80211_key_default_policy,
1344 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1345 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1348 if (tb[NL80211_KEY_MODE])
1349 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1354 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1356 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1357 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1358 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1361 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1362 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1363 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1366 if (info->attrs[NL80211_ATTR_KEY_IDX])
1367 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1369 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1370 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1372 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1373 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1377 k->def_multi = true;
1380 k->def_multi = true;
1382 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1383 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1385 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1386 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1387 int err = nla_parse_nested_deprecated(kdt,
1388 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1389 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1390 nl80211_key_default_policy,
1395 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1396 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1402 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1406 memset(k, 0, sizeof(*k));
1410 if (info->attrs[NL80211_ATTR_KEY])
1411 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1413 err = nl80211_parse_key_old(info, k);
1418 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1419 (k->defbeacon ? 1 : 0) > 1) {
1420 GENL_SET_ERR_MSG(info,
1421 "key with multiple default flags is invalid");
1425 if (k->defmgmt || k->defbeacon) {
1426 if (k->def_uni || !k->def_multi) {
1427 GENL_SET_ERR_MSG(info,
1428 "defmgmt/defbeacon key must be mcast");
1435 if (k->idx < 4 || k->idx > 5) {
1436 GENL_SET_ERR_MSG(info,
1437 "defmgmt key idx not 4 or 5");
1440 } else if (k->defbeacon) {
1441 if (k->idx < 6 || k->idx > 7) {
1442 GENL_SET_ERR_MSG(info,
1443 "defbeacon key idx not 6 or 7");
1446 } else if (k->def) {
1447 if (k->idx < 0 || k->idx > 3) {
1448 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1452 if (k->idx < 0 || k->idx > 7) {
1453 GENL_SET_ERR_MSG(info, "key idx not 0-7");
1462 static struct cfg80211_cached_keys *
1463 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1464 struct genl_info *info, bool *no_ht)
1466 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1467 struct key_parse parse;
1469 struct cfg80211_cached_keys *result;
1470 int rem, err, def = 0;
1471 bool have_key = false;
1473 nla_for_each_nested(key, keys, rem) {
1481 result = kzalloc(sizeof(*result), GFP_KERNEL);
1483 return ERR_PTR(-ENOMEM);
1487 nla_for_each_nested(key, keys, rem) {
1488 memset(&parse, 0, sizeof(parse));
1491 err = nl80211_parse_key_new(info, key, &parse);
1497 if (parse.idx < 0 || parse.idx > 3) {
1498 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1503 GENL_SET_ERR_MSG(info,
1504 "only one key can be default");
1508 result->def = parse.idx;
1509 if (!parse.def_uni || !parse.def_multi)
1511 } else if (parse.defmgmt)
1513 err = cfg80211_validate_key_settings(rdev, &parse.p,
1514 parse.idx, false, NULL);
1517 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1518 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1519 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1523 result->params[parse.idx].cipher = parse.p.cipher;
1524 result->params[parse.idx].key_len = parse.p.key_len;
1525 result->params[parse.idx].key = result->data[parse.idx];
1526 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1528 /* must be WEP key if we got here */
1533 if (result->def < 0) {
1535 GENL_SET_ERR_MSG(info, "need a default/TX key");
1542 return ERR_PTR(err);
1545 static int nl80211_key_allowed(struct wireless_dev *wdev)
1547 ASSERT_WDEV_LOCK(wdev);
1549 switch (wdev->iftype) {
1550 case NL80211_IFTYPE_AP:
1551 case NL80211_IFTYPE_AP_VLAN:
1552 case NL80211_IFTYPE_P2P_GO:
1553 case NL80211_IFTYPE_MESH_POINT:
1555 case NL80211_IFTYPE_ADHOC:
1556 if (wdev->u.ibss.current_bss)
1559 case NL80211_IFTYPE_STATION:
1560 case NL80211_IFTYPE_P2P_CLIENT:
1561 if (wdev->connected)
1564 case NL80211_IFTYPE_NAN:
1565 if (wiphy_ext_feature_isset(wdev->wiphy,
1566 NL80211_EXT_FEATURE_SECURE_NAN))
1569 case NL80211_IFTYPE_UNSPECIFIED:
1570 case NL80211_IFTYPE_OCB:
1571 case NL80211_IFTYPE_MONITOR:
1572 case NL80211_IFTYPE_P2P_DEVICE:
1573 case NL80211_IFTYPE_WDS:
1574 case NUM_NL80211_IFTYPES:
1581 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1584 struct ieee80211_channel *chan;
1586 chan = ieee80211_get_channel_khz(wiphy, freq);
1587 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1592 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1594 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1598 goto nla_put_failure;
1602 if ((ifmodes & 1) && nla_put_flag(msg, i))
1603 goto nla_put_failure;
1608 nla_nest_end(msg, nl_modes);
1615 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1616 struct sk_buff *msg,
1619 struct nlattr *nl_combis;
1622 nl_combis = nla_nest_start_noflag(msg,
1623 NL80211_ATTR_INTERFACE_COMBINATIONS);
1625 goto nla_put_failure;
1627 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1628 const struct ieee80211_iface_combination *c;
1629 struct nlattr *nl_combi, *nl_limits;
1631 c = &wiphy->iface_combinations[i];
1633 nl_combi = nla_nest_start_noflag(msg, i + 1);
1635 goto nla_put_failure;
1637 nl_limits = nla_nest_start_noflag(msg,
1638 NL80211_IFACE_COMB_LIMITS);
1640 goto nla_put_failure;
1642 for (j = 0; j < c->n_limits; j++) {
1643 struct nlattr *nl_limit;
1645 nl_limit = nla_nest_start_noflag(msg, j + 1);
1647 goto nla_put_failure;
1648 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1650 goto nla_put_failure;
1651 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1652 c->limits[j].types))
1653 goto nla_put_failure;
1654 nla_nest_end(msg, nl_limit);
1657 nla_nest_end(msg, nl_limits);
1659 if (c->beacon_int_infra_match &&
1660 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1661 goto nla_put_failure;
1662 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1663 c->num_different_channels) ||
1664 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1666 goto nla_put_failure;
1668 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1669 c->radar_detect_widths) ||
1670 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1671 c->radar_detect_regions)))
1672 goto nla_put_failure;
1673 if (c->beacon_int_min_gcd &&
1674 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1675 c->beacon_int_min_gcd))
1676 goto nla_put_failure;
1678 nla_nest_end(msg, nl_combi);
1681 nla_nest_end(msg, nl_combis);
1689 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1690 struct sk_buff *msg)
1692 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1693 struct nlattr *nl_tcp;
1698 nl_tcp = nla_nest_start_noflag(msg,
1699 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1703 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1704 tcp->data_payload_max))
1707 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1708 tcp->data_payload_max))
1711 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1714 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1715 sizeof(*tcp->tok), tcp->tok))
1718 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1719 tcp->data_interval_max))
1722 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1723 tcp->wake_payload_max))
1726 nla_nest_end(msg, nl_tcp);
1730 static int nl80211_send_wowlan(struct sk_buff *msg,
1731 struct cfg80211_registered_device *rdev,
1734 struct nlattr *nl_wowlan;
1736 if (!rdev->wiphy.wowlan)
1739 nl_wowlan = nla_nest_start_noflag(msg,
1740 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1744 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1745 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1746 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1747 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1748 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1749 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1750 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1751 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1752 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1753 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1754 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1755 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1756 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1757 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1758 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1759 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1762 if (rdev->wiphy.wowlan->n_patterns) {
1763 struct nl80211_pattern_support pat = {
1764 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1765 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1766 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1767 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1770 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1775 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1776 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1777 rdev->wiphy.wowlan->max_nd_match_sets))
1780 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1783 nla_nest_end(msg, nl_wowlan);
1789 static int nl80211_send_coalesce(struct sk_buff *msg,
1790 struct cfg80211_registered_device *rdev)
1792 struct nl80211_coalesce_rule_support rule;
1794 if (!rdev->wiphy.coalesce)
1797 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1798 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1799 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1800 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1801 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1802 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1804 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1811 nl80211_send_iftype_data(struct sk_buff *msg,
1812 const struct ieee80211_supported_band *sband,
1813 const struct ieee80211_sband_iftype_data *iftdata)
1815 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1816 const struct ieee80211_sta_eht_cap *eht_cap = &iftdata->eht_cap;
1818 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1819 iftdata->types_mask))
1822 if (he_cap->has_he) {
1823 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1824 sizeof(he_cap->he_cap_elem.mac_cap_info),
1825 he_cap->he_cap_elem.mac_cap_info) ||
1826 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1827 sizeof(he_cap->he_cap_elem.phy_cap_info),
1828 he_cap->he_cap_elem.phy_cap_info) ||
1829 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1830 sizeof(he_cap->he_mcs_nss_supp),
1831 &he_cap->he_mcs_nss_supp) ||
1832 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1833 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1837 if (eht_cap->has_eht && he_cap->has_he) {
1838 u8 mcs_nss_size, ppe_thresh_size;
1842 is_ap = iftdata->types_mask & BIT(NL80211_IFTYPE_AP) ||
1843 iftdata->types_mask & BIT(NL80211_IFTYPE_P2P_GO);
1846 ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
1847 &eht_cap->eht_cap_elem,
1850 ppe_thres_hdr = get_unaligned_le16(&eht_cap->eht_ppe_thres[0]);
1852 ieee80211_eht_ppe_size(ppe_thres_hdr,
1853 eht_cap->eht_cap_elem.phy_cap_info);
1855 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC,
1856 sizeof(eht_cap->eht_cap_elem.mac_cap_info),
1857 eht_cap->eht_cap_elem.mac_cap_info) ||
1858 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY,
1859 sizeof(eht_cap->eht_cap_elem.phy_cap_info),
1860 eht_cap->eht_cap_elem.phy_cap_info) ||
1861 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET,
1862 mcs_nss_size, &eht_cap->eht_mcs_nss_supp) ||
1863 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE,
1864 ppe_thresh_size, eht_cap->eht_ppe_thres))
1868 if (sband->band == NL80211_BAND_6GHZ &&
1869 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1870 sizeof(iftdata->he_6ghz_capa),
1871 &iftdata->he_6ghz_capa))
1874 if (iftdata->vendor_elems.data && iftdata->vendor_elems.len &&
1875 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_VENDOR_ELEMS,
1876 iftdata->vendor_elems.len, iftdata->vendor_elems.data))
1882 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1883 struct ieee80211_supported_band *sband,
1886 struct nlattr *nl_rates, *nl_rate;
1887 struct ieee80211_rate *rate;
1891 if (sband->ht_cap.ht_supported &&
1892 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1893 sizeof(sband->ht_cap.mcs),
1894 &sband->ht_cap.mcs) ||
1895 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1896 sband->ht_cap.cap) ||
1897 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1898 sband->ht_cap.ampdu_factor) ||
1899 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1900 sband->ht_cap.ampdu_density)))
1904 if (sband->vht_cap.vht_supported &&
1905 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1906 sizeof(sband->vht_cap.vht_mcs),
1907 &sband->vht_cap.vht_mcs) ||
1908 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1909 sband->vht_cap.cap)))
1912 if (large && sband->n_iftype_data) {
1913 struct nlattr *nl_iftype_data =
1914 nla_nest_start_noflag(msg,
1915 NL80211_BAND_ATTR_IFTYPE_DATA);
1918 if (!nl_iftype_data)
1921 for (i = 0; i < sband->n_iftype_data; i++) {
1922 struct nlattr *iftdata;
1924 iftdata = nla_nest_start_noflag(msg, i + 1);
1928 err = nl80211_send_iftype_data(msg, sband,
1929 &sband->iftype_data[i]);
1933 nla_nest_end(msg, iftdata);
1936 nla_nest_end(msg, nl_iftype_data);
1940 if (large && sband->edmg_cap.channels &&
1941 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1942 sband->edmg_cap.channels) ||
1943 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1944 sband->edmg_cap.bw_config)))
1949 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1953 for (i = 0; i < sband->n_bitrates; i++) {
1954 nl_rate = nla_nest_start_noflag(msg, i);
1958 rate = &sband->bitrates[i];
1959 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1962 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1964 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1967 nla_nest_end(msg, nl_rate);
1970 nla_nest_end(msg, nl_rates);
1972 /* S1G capabilities */
1973 if (sband->band == NL80211_BAND_S1GHZ && sband->s1g_cap.s1g &&
1974 (nla_put(msg, NL80211_BAND_ATTR_S1G_CAPA,
1975 sizeof(sband->s1g_cap.cap),
1976 sband->s1g_cap.cap) ||
1977 nla_put(msg, NL80211_BAND_ATTR_S1G_MCS_NSS_SET,
1978 sizeof(sband->s1g_cap.nss_mcs),
1979 sband->s1g_cap.nss_mcs)))
1986 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1987 const struct ieee80211_txrx_stypes *mgmt_stypes)
1990 struct nlattr *nl_ftypes, *nl_ifs;
1991 enum nl80211_iftype ift;
1997 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
2001 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
2002 nl_ftypes = nla_nest_start_noflag(msg, ift);
2006 stypes = mgmt_stypes[ift].tx;
2009 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
2010 (i << 4) | IEEE80211_FTYPE_MGMT))
2015 nla_nest_end(msg, nl_ftypes);
2018 nla_nest_end(msg, nl_ifs);
2020 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
2024 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
2025 nl_ftypes = nla_nest_start_noflag(msg, ift);
2029 stypes = mgmt_stypes[ift].rx;
2032 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
2033 (i << 4) | IEEE80211_FTYPE_MGMT))
2038 nla_nest_end(msg, nl_ftypes);
2040 nla_nest_end(msg, nl_ifs);
2045 #define CMD(op, n) \
2047 if (rdev->ops->op) { \
2049 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
2050 goto nla_put_failure; \
2054 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
2055 struct sk_buff *msg)
2060 * do *NOT* add anything into this function, new things need to be
2061 * advertised only to new versions of userspace that can deal with
2062 * the split (and they can't possibly care about new features...
2064 CMD(add_virtual_intf, NEW_INTERFACE);
2065 CMD(change_virtual_intf, SET_INTERFACE);
2066 CMD(add_key, NEW_KEY);
2067 CMD(start_ap, START_AP);
2068 CMD(add_station, NEW_STATION);
2069 CMD(add_mpath, NEW_MPATH);
2070 CMD(update_mesh_config, SET_MESH_CONFIG);
2071 CMD(change_bss, SET_BSS);
2072 CMD(auth, AUTHENTICATE);
2073 CMD(assoc, ASSOCIATE);
2074 CMD(deauth, DEAUTHENTICATE);
2075 CMD(disassoc, DISASSOCIATE);
2076 CMD(join_ibss, JOIN_IBSS);
2077 CMD(join_mesh, JOIN_MESH);
2078 CMD(set_pmksa, SET_PMKSA);
2079 CMD(del_pmksa, DEL_PMKSA);
2080 CMD(flush_pmksa, FLUSH_PMKSA);
2081 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
2082 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
2083 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
2084 CMD(mgmt_tx, FRAME);
2085 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
2086 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
2088 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
2089 goto nla_put_failure;
2091 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
2092 rdev->ops->join_mesh) {
2094 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
2095 goto nla_put_failure;
2097 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
2098 CMD(tdls_mgmt, TDLS_MGMT);
2099 CMD(tdls_oper, TDLS_OPER);
2101 if (rdev->wiphy.max_sched_scan_reqs)
2102 CMD(sched_scan_start, START_SCHED_SCAN);
2103 CMD(probe_client, PROBE_CLIENT);
2104 CMD(set_noack_map, SET_NOACK_MAP);
2105 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
2107 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
2108 goto nla_put_failure;
2110 CMD(start_p2p_device, START_P2P_DEVICE);
2111 CMD(set_mcast_rate, SET_MCAST_RATE);
2112 #ifdef CONFIG_NL80211_TESTMODE
2113 CMD(testmode_cmd, TESTMODE);
2116 if (rdev->ops->connect || rdev->ops->auth) {
2118 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
2119 goto nla_put_failure;
2122 if (rdev->ops->disconnect || rdev->ops->deauth) {
2124 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
2125 goto nla_put_failure;
2134 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
2135 struct sk_buff *msg)
2139 if (!cap->ftm.supported)
2142 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
2146 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
2148 if (cap->ftm.non_asap &&
2149 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
2151 if (cap->ftm.request_lci &&
2152 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
2154 if (cap->ftm.request_civicloc &&
2155 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
2157 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
2158 cap->ftm.preambles))
2160 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2161 cap->ftm.bandwidths))
2163 if (cap->ftm.max_bursts_exponent >= 0 &&
2164 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2165 cap->ftm.max_bursts_exponent))
2167 if (cap->ftm.max_ftms_per_burst &&
2168 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2169 cap->ftm.max_ftms_per_burst))
2171 if (cap->ftm.trigger_based &&
2172 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2174 if (cap->ftm.non_trigger_based &&
2175 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2178 nla_nest_end(msg, ftm);
2182 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2183 struct sk_buff *msg)
2185 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2186 struct nlattr *pmsr, *caps;
2192 * we don't need to clean up anything here since the caller
2193 * will genlmsg_cancel() if we fail
2196 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
2200 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2203 if (cap->report_ap_tsf &&
2204 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2207 if (cap->randomize_mac_addr &&
2208 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2211 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
2215 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2218 nla_nest_end(msg, caps);
2219 nla_nest_end(msg, pmsr);
2225 nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2226 struct sk_buff *msg)
2229 struct nlattr *nested, *nested_akms;
2230 const struct wiphy_iftype_akm_suites *iftype_akms;
2232 if (!rdev->wiphy.num_iftype_akm_suites ||
2233 !rdev->wiphy.iftype_akm_suites)
2236 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2240 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2241 nested_akms = nla_nest_start(msg, i + 1);
2245 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2247 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2248 iftype_akms->iftypes_mask))
2251 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2252 sizeof(u32) * iftype_akms->n_akm_suites,
2253 iftype_akms->akm_suites)) {
2256 nla_nest_end(msg, nested_akms);
2259 nla_nest_end(msg, nested);
2265 nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2266 struct sk_buff *msg)
2268 struct nlattr *supp;
2270 if (!rdev->wiphy.tid_config_support.vif &&
2271 !rdev->wiphy.tid_config_support.peer)
2274 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2278 if (rdev->wiphy.tid_config_support.vif &&
2279 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2280 rdev->wiphy.tid_config_support.vif,
2281 NL80211_TID_CONFIG_ATTR_PAD))
2284 if (rdev->wiphy.tid_config_support.peer &&
2285 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2286 rdev->wiphy.tid_config_support.peer,
2287 NL80211_TID_CONFIG_ATTR_PAD))
2290 /* for now we just use the same value ... makes more sense */
2291 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2292 rdev->wiphy.tid_config_support.max_retry))
2294 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2295 rdev->wiphy.tid_config_support.max_retry))
2298 nla_nest_end(msg, supp);
2302 nla_nest_cancel(msg, supp);
2307 nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2308 struct sk_buff *msg)
2310 struct nlattr *sar_capa, *specs, *sub_freq_range;
2314 if (!rdev->wiphy.sar_capa)
2317 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2319 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2323 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2326 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2330 /* report supported freq_ranges */
2331 for (i = 0; i < num_freq_ranges; i++) {
2332 sub_freq_range = nla_nest_start(msg, i + 1);
2333 if (!sub_freq_range)
2336 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2337 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2340 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2341 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2344 nla_nest_end(msg, sub_freq_range);
2347 nla_nest_end(msg, specs);
2348 nla_nest_end(msg, sar_capa);
2352 nla_nest_cancel(msg, sar_capa);
2356 static int nl80211_put_mbssid_support(struct wiphy *wiphy, struct sk_buff *msg)
2358 struct nlattr *config;
2360 if (!wiphy->mbssid_max_interfaces)
2363 config = nla_nest_start(msg, NL80211_ATTR_MBSSID_CONFIG);
2367 if (nla_put_u8(msg, NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES,
2368 wiphy->mbssid_max_interfaces))
2371 if (wiphy->ema_max_profile_periodicity &&
2373 NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY,
2374 wiphy->ema_max_profile_periodicity))
2377 nla_nest_end(msg, config);
2381 nla_nest_cancel(msg, config);
2385 struct nl80211_dump_wiphy_state {
2388 long split_start, band_start, chan_start, capa_start;
2392 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
2393 enum nl80211_commands cmd,
2394 struct sk_buff *msg, u32 portid, u32 seq,
2395 int flags, struct nl80211_dump_wiphy_state *state)
2398 struct nlattr *nl_bands, *nl_band;
2399 struct nlattr *nl_freqs, *nl_freq;
2400 struct nlattr *nl_cmds;
2401 enum nl80211_band band;
2402 struct ieee80211_channel *chan;
2404 const struct ieee80211_txrx_stypes *mgmt_stypes =
2405 rdev->wiphy.mgmt_stypes;
2408 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2412 if (WARN_ON(!state))
2415 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2416 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
2417 wiphy_name(&rdev->wiphy)) ||
2418 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2419 cfg80211_rdev_list_generation))
2420 goto nla_put_failure;
2422 if (cmd != NL80211_CMD_NEW_WIPHY)
2425 switch (state->split_start) {
2427 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
2428 rdev->wiphy.retry_short) ||
2429 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
2430 rdev->wiphy.retry_long) ||
2431 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
2432 rdev->wiphy.frag_threshold) ||
2433 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
2434 rdev->wiphy.rts_threshold) ||
2435 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
2436 rdev->wiphy.coverage_class) ||
2437 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
2438 rdev->wiphy.max_scan_ssids) ||
2439 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
2440 rdev->wiphy.max_sched_scan_ssids) ||
2441 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
2442 rdev->wiphy.max_scan_ie_len) ||
2443 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
2444 rdev->wiphy.max_sched_scan_ie_len) ||
2445 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
2446 rdev->wiphy.max_match_sets))
2447 goto nla_put_failure;
2449 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
2450 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
2451 goto nla_put_failure;
2452 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
2453 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2454 goto nla_put_failure;
2455 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2456 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2457 goto nla_put_failure;
2458 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
2459 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2460 goto nla_put_failure;
2461 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2462 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2463 goto nla_put_failure;
2464 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
2465 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
2466 goto nla_put_failure;
2467 state->split_start++;
2472 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
2473 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2474 rdev->wiphy.cipher_suites))
2475 goto nla_put_failure;
2477 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
2478 rdev->wiphy.max_num_pmkids))
2479 goto nla_put_failure;
2481 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
2482 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
2483 goto nla_put_failure;
2485 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
2486 rdev->wiphy.available_antennas_tx) ||
2487 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2488 rdev->wiphy.available_antennas_rx))
2489 goto nla_put_failure;
2491 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2492 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2493 rdev->wiphy.probe_resp_offload))
2494 goto nla_put_failure;
2496 if ((rdev->wiphy.available_antennas_tx ||
2497 rdev->wiphy.available_antennas_rx) &&
2498 rdev->ops->get_antenna) {
2499 u32 tx_ant = 0, rx_ant = 0;
2502 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2504 if (nla_put_u32(msg,
2505 NL80211_ATTR_WIPHY_ANTENNA_TX,
2508 NL80211_ATTR_WIPHY_ANTENNA_RX,
2510 goto nla_put_failure;
2514 state->split_start++;
2519 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2520 rdev->wiphy.interface_modes))
2521 goto nla_put_failure;
2522 state->split_start++;
2527 nl_bands = nla_nest_start_noflag(msg,
2528 NL80211_ATTR_WIPHY_BANDS);
2530 goto nla_put_failure;
2532 for (band = state->band_start;
2533 band < (state->split ?
2535 NL80211_BAND_60GHZ + 1);
2537 struct ieee80211_supported_band *sband;
2539 /* omit higher bands for ancient software */
2540 if (band > NL80211_BAND_5GHZ && !state->split)
2543 sband = rdev->wiphy.bands[band];
2548 nl_band = nla_nest_start_noflag(msg, band);
2550 goto nla_put_failure;
2552 switch (state->chan_start) {
2554 if (nl80211_send_band_rateinfo(msg, sband,
2556 goto nla_put_failure;
2557 state->chan_start++;
2562 /* add frequencies */
2563 nl_freqs = nla_nest_start_noflag(msg,
2564 NL80211_BAND_ATTR_FREQS);
2566 goto nla_put_failure;
2568 for (i = state->chan_start - 1;
2569 i < sband->n_channels;
2571 nl_freq = nla_nest_start_noflag(msg,
2574 goto nla_put_failure;
2576 chan = &sband->channels[i];
2578 if (nl80211_msg_put_channel(
2579 msg, &rdev->wiphy, chan,
2581 goto nla_put_failure;
2583 nla_nest_end(msg, nl_freq);
2587 if (i < sband->n_channels)
2588 state->chan_start = i + 2;
2590 state->chan_start = 0;
2591 nla_nest_end(msg, nl_freqs);
2594 nla_nest_end(msg, nl_band);
2597 /* start again here */
2598 if (state->chan_start)
2603 nla_nest_end(msg, nl_bands);
2605 if (band < NUM_NL80211_BANDS)
2606 state->band_start = band + 1;
2608 state->band_start = 0;
2610 /* if bands & channels are done, continue outside */
2611 if (state->band_start == 0 && state->chan_start == 0)
2612 state->split_start++;
2617 nl_cmds = nla_nest_start_noflag(msg,
2618 NL80211_ATTR_SUPPORTED_COMMANDS);
2620 goto nla_put_failure;
2622 i = nl80211_add_commands_unsplit(rdev, msg);
2624 goto nla_put_failure;
2626 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2627 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2628 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2629 CMD(channel_switch, CHANNEL_SWITCH);
2630 CMD(set_qos_map, SET_QOS_MAP);
2631 if (rdev->wiphy.features &
2632 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2633 CMD(add_tx_ts, ADD_TX_TS);
2634 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2635 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2636 CMD(update_ft_ies, UPDATE_FT_IES);
2637 if (rdev->wiphy.sar_capa)
2638 CMD(set_sar_specs, SET_SAR_SPECS);
2642 nla_nest_end(msg, nl_cmds);
2643 state->split_start++;
2648 if (rdev->ops->remain_on_channel &&
2649 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2651 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2652 rdev->wiphy.max_remain_on_channel_duration))
2653 goto nla_put_failure;
2655 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2656 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2657 goto nla_put_failure;
2659 state->split_start++;
2665 if (nl80211_send_wowlan(msg, rdev, state->split))
2666 goto nla_put_failure;
2667 state->split_start++;
2671 state->split_start++;
2675 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2676 rdev->wiphy.software_iftypes))
2677 goto nla_put_failure;
2679 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2681 goto nla_put_failure;
2683 state->split_start++;
2688 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2689 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2690 rdev->wiphy.ap_sme_capa))
2691 goto nla_put_failure;
2693 features = rdev->wiphy.features;
2695 * We can only add the per-channel limit information if the
2696 * dump is split, otherwise it makes it too big. Therefore
2697 * only advertise it in that case.
2700 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2701 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2702 goto nla_put_failure;
2704 if (rdev->wiphy.ht_capa_mod_mask &&
2705 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2706 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2707 rdev->wiphy.ht_capa_mod_mask))
2708 goto nla_put_failure;
2710 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2711 rdev->wiphy.max_acl_mac_addrs &&
2712 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2713 rdev->wiphy.max_acl_mac_addrs))
2714 goto nla_put_failure;
2717 * Any information below this point is only available to
2718 * applications that can deal with it being split. This
2719 * helps ensure that newly added capabilities don't break
2720 * older tools by overrunning their buffers.
2722 * We still increment split_start so that in the split
2723 * case we'll continue with more data in the next round,
2724 * but break unconditionally so unsplit data stops here.
2727 state->split_start++;
2729 state->split_start = 0;
2732 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2733 goto nla_put_failure;
2735 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2736 rdev->wiphy.max_sched_scan_plans) ||
2737 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2738 rdev->wiphy.max_sched_scan_plan_interval) ||
2739 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2740 rdev->wiphy.max_sched_scan_plan_iterations))
2741 goto nla_put_failure;
2743 if (rdev->wiphy.extended_capabilities &&
2744 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2745 rdev->wiphy.extended_capabilities_len,
2746 rdev->wiphy.extended_capabilities) ||
2747 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2748 rdev->wiphy.extended_capabilities_len,
2749 rdev->wiphy.extended_capabilities_mask)))
2750 goto nla_put_failure;
2752 if (rdev->wiphy.vht_capa_mod_mask &&
2753 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2754 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2755 rdev->wiphy.vht_capa_mod_mask))
2756 goto nla_put_failure;
2758 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2759 rdev->wiphy.perm_addr))
2760 goto nla_put_failure;
2762 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2763 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2764 rdev->wiphy.addr_mask))
2765 goto nla_put_failure;
2767 if (rdev->wiphy.n_addresses > 1) {
2770 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2772 goto nla_put_failure;
2774 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2775 if (nla_put(msg, i + 1, ETH_ALEN,
2776 rdev->wiphy.addresses[i].addr))
2777 goto nla_put_failure;
2779 nla_nest_end(msg, attr);
2782 state->split_start++;
2785 if (nl80211_send_coalesce(msg, rdev))
2786 goto nla_put_failure;
2788 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2789 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2790 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2791 goto nla_put_failure;
2793 if (rdev->wiphy.max_ap_assoc_sta &&
2794 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2795 rdev->wiphy.max_ap_assoc_sta))
2796 goto nla_put_failure;
2798 state->split_start++;
2801 if (rdev->wiphy.n_vendor_commands) {
2802 const struct nl80211_vendor_cmd_info *info;
2803 struct nlattr *nested;
2805 nested = nla_nest_start_noflag(msg,
2806 NL80211_ATTR_VENDOR_DATA);
2808 goto nla_put_failure;
2810 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2811 info = &rdev->wiphy.vendor_commands[i].info;
2812 if (nla_put(msg, i + 1, sizeof(*info), info))
2813 goto nla_put_failure;
2815 nla_nest_end(msg, nested);
2818 if (rdev->wiphy.n_vendor_events) {
2819 const struct nl80211_vendor_cmd_info *info;
2820 struct nlattr *nested;
2822 nested = nla_nest_start_noflag(msg,
2823 NL80211_ATTR_VENDOR_EVENTS);
2825 goto nla_put_failure;
2827 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2828 info = &rdev->wiphy.vendor_events[i];
2829 if (nla_put(msg, i + 1, sizeof(*info), info))
2830 goto nla_put_failure;
2832 nla_nest_end(msg, nested);
2834 state->split_start++;
2837 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2838 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2839 rdev->wiphy.max_num_csa_counters))
2840 goto nla_put_failure;
2842 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2843 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2844 goto nla_put_failure;
2846 if (rdev->wiphy.max_sched_scan_reqs &&
2847 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2848 rdev->wiphy.max_sched_scan_reqs))
2849 goto nla_put_failure;
2851 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2852 sizeof(rdev->wiphy.ext_features),
2853 rdev->wiphy.ext_features))
2854 goto nla_put_failure;
2856 if (rdev->wiphy.bss_select_support) {
2857 struct nlattr *nested;
2858 u32 bss_select_support = rdev->wiphy.bss_select_support;
2860 nested = nla_nest_start_noflag(msg,
2861 NL80211_ATTR_BSS_SELECT);
2863 goto nla_put_failure;
2866 while (bss_select_support) {
2867 if ((bss_select_support & 1) &&
2868 nla_put_flag(msg, i))
2869 goto nla_put_failure;
2871 bss_select_support >>= 1;
2873 nla_nest_end(msg, nested);
2876 state->split_start++;
2879 if (rdev->wiphy.num_iftype_ext_capab &&
2880 rdev->wiphy.iftype_ext_capab) {
2881 struct nlattr *nested_ext_capab, *nested;
2883 nested = nla_nest_start_noflag(msg,
2884 NL80211_ATTR_IFTYPE_EXT_CAPA);
2886 goto nla_put_failure;
2888 for (i = state->capa_start;
2889 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2890 const struct wiphy_iftype_ext_capab *capab;
2892 capab = &rdev->wiphy.iftype_ext_capab[i];
2894 nested_ext_capab = nla_nest_start_noflag(msg,
2896 if (!nested_ext_capab ||
2897 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2899 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2900 capab->extended_capabilities_len,
2901 capab->extended_capabilities) ||
2902 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2903 capab->extended_capabilities_len,
2904 capab->extended_capabilities_mask))
2905 goto nla_put_failure;
2907 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO &&
2909 NL80211_ATTR_EML_CAPABILITY,
2910 capab->eml_capabilities) ||
2912 NL80211_ATTR_MLD_CAPA_AND_OPS,
2913 capab->mld_capa_and_ops)))
2914 goto nla_put_failure;
2916 nla_nest_end(msg, nested_ext_capab);
2920 nla_nest_end(msg, nested);
2921 if (i < rdev->wiphy.num_iftype_ext_capab) {
2922 state->capa_start = i + 1;
2927 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2928 rdev->wiphy.nan_supported_bands))
2929 goto nla_put_failure;
2931 if (wiphy_ext_feature_isset(&rdev->wiphy,
2932 NL80211_EXT_FEATURE_TXQS)) {
2933 struct cfg80211_txq_stats txqstats = {};
2936 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2938 !nl80211_put_txq_stats(msg, &txqstats,
2939 NL80211_ATTR_TXQ_STATS))
2940 goto nla_put_failure;
2942 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2943 rdev->wiphy.txq_limit))
2944 goto nla_put_failure;
2945 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2946 rdev->wiphy.txq_memory_limit))
2947 goto nla_put_failure;
2948 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2949 rdev->wiphy.txq_quantum))
2950 goto nla_put_failure;
2953 state->split_start++;
2956 if (nl80211_send_pmsr_capa(rdev, msg))
2957 goto nla_put_failure;
2959 state->split_start++;
2962 if (rdev->wiphy.akm_suites &&
2963 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2964 sizeof(u32) * rdev->wiphy.n_akm_suites,
2965 rdev->wiphy.akm_suites))
2966 goto nla_put_failure;
2968 if (nl80211_put_iftype_akm_suites(rdev, msg))
2969 goto nla_put_failure;
2971 if (nl80211_put_tid_config_support(rdev, msg))
2972 goto nla_put_failure;
2973 state->split_start++;
2976 if (nl80211_put_sar_specs(rdev, msg))
2977 goto nla_put_failure;
2979 if (nl80211_put_mbssid_support(&rdev->wiphy, msg))
2980 goto nla_put_failure;
2982 if (nla_put_u16(msg, NL80211_ATTR_MAX_NUM_AKM_SUITES,
2983 rdev->wiphy.max_num_akm_suites))
2984 goto nla_put_failure;
2986 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO)
2987 nla_put_flag(msg, NL80211_ATTR_MLO_SUPPORT);
2989 if (rdev->wiphy.hw_timestamp_max_peers &&
2990 nla_put_u16(msg, NL80211_ATTR_MAX_HW_TIMESTAMP_PEERS,
2991 rdev->wiphy.hw_timestamp_max_peers))
2992 goto nla_put_failure;
2995 state->split_start = 0;
2999 genlmsg_end(msg, hdr);
3003 genlmsg_cancel(msg, hdr);
3007 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
3008 struct netlink_callback *cb,
3009 struct nl80211_dump_wiphy_state *state)
3011 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
3017 ret = nlmsg_parse_deprecated(cb->nlh,
3018 GENL_HDRLEN + nl80211_fam.hdrsize,
3019 tb, nl80211_fam.maxattr,
3020 nl80211_policy, NULL);
3021 /* ignore parse errors for backward compatibility */
3027 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
3028 if (tb[NL80211_ATTR_WIPHY])
3029 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
3030 if (tb[NL80211_ATTR_WDEV])
3031 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
3032 if (tb[NL80211_ATTR_IFINDEX]) {
3033 struct net_device *netdev;
3034 struct cfg80211_registered_device *rdev;
3035 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
3037 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
3042 if (netdev->ieee80211_ptr) {
3043 rdev = wiphy_to_rdev(
3044 netdev->ieee80211_ptr->wiphy);
3045 state->filter_wiphy = rdev->wiphy_idx;
3055 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
3058 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
3059 struct cfg80211_registered_device *rdev;
3063 state = kzalloc(sizeof(*state), GFP_KERNEL);
3068 state->filter_wiphy = -1;
3069 ret = nl80211_dump_wiphy_parse(skb, cb, state);
3075 cb->args[0] = (long)state;
3078 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3079 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3081 if (++idx <= state->start)
3083 if (state->filter_wiphy != -1 &&
3084 state->filter_wiphy != rdev->wiphy_idx)
3086 wiphy_lock(&rdev->wiphy);
3087 /* attempt to fit multiple wiphy data chunks into the skb */
3089 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
3091 NETLINK_CB(cb->skb).portid,
3093 NLM_F_MULTI, state);
3096 * If sending the wiphy data didn't fit (ENOBUFS
3097 * or EMSGSIZE returned), this SKB is still
3098 * empty (so it's not too big because another
3099 * wiphy dataset is already in the skb) and
3100 * we've not tried to adjust the dump allocation
3101 * yet ... then adjust the alloc size to be
3102 * bigger, and return 1 but with the empty skb.
3103 * This results in an empty message being RX'ed
3104 * in userspace, but that is ignored.
3106 * We can then retry with the larger buffer.
3108 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
3109 !skb->len && !state->split &&
3110 cb->min_dump_alloc < 4096) {
3111 cb->min_dump_alloc = 4096;
3112 state->split_start = 0;
3113 wiphy_unlock(&rdev->wiphy);
3120 } while (state->split_start > 0);
3121 wiphy_unlock(&rdev->wiphy);
3131 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
3133 kfree((void *)cb->args[0]);
3137 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
3139 struct sk_buff *msg;
3140 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3141 struct nl80211_dump_wiphy_state state = {};
3143 msg = nlmsg_new(4096, GFP_KERNEL);
3147 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
3148 info->snd_portid, info->snd_seq, 0,
3154 return genlmsg_reply(msg, info);
3157 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
3158 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
3159 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
3160 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
3161 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
3162 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
3165 static int parse_txq_params(struct nlattr *tb[],
3166 struct ieee80211_txq_params *txq_params)
3170 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
3171 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
3172 !tb[NL80211_TXQ_ATTR_AIFS])
3175 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
3176 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
3177 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
3178 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
3179 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
3181 if (ac >= NL80211_NUM_ACS)
3183 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
3187 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
3190 * You can only set the channel explicitly for some interfaces,
3191 * most have their channel managed via their respective
3192 * "establish a connection" command (connect, join, ...)
3194 * For AP/GO and mesh mode, the channel can be set with the
3195 * channel userspace API, but is only stored and passed to the
3196 * low-level driver when the AP starts or the mesh is joined.
3197 * This is for backward compatibility, userspace can also give
3198 * the channel in the start-ap or join-mesh commands instead.
3200 * Monitors are special as they are normally slaved to
3201 * whatever else is going on, so they have their own special
3202 * operation to set the monitor channel if possible.
3205 wdev->iftype == NL80211_IFTYPE_AP ||
3206 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
3207 wdev->iftype == NL80211_IFTYPE_MONITOR ||
3208 wdev->iftype == NL80211_IFTYPE_P2P_GO;
3211 static int nl80211_parse_punct_bitmap(struct cfg80211_registered_device *rdev,
3212 struct genl_info *info,
3213 const struct cfg80211_chan_def *chandef,
3216 if (!wiphy_ext_feature_isset(&rdev->wiphy, NL80211_EXT_FEATURE_PUNCT))
3219 *punct_bitmap = nla_get_u32(info->attrs[NL80211_ATTR_PUNCT_BITMAP]);
3220 if (!cfg80211_valid_disable_subchannel_bitmap(punct_bitmap, chandef))
3226 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
3227 struct genl_info *info,
3228 struct cfg80211_chan_def *chandef)
3230 struct netlink_ext_ack *extack = info->extack;
3231 struct nlattr **attrs = info->attrs;
3234 if (!attrs[NL80211_ATTR_WIPHY_FREQ]) {
3235 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3236 "Frequency is missing");
3240 control_freq = MHZ_TO_KHZ(
3241 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3242 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3244 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
3246 memset(chandef, 0, sizeof(*chandef));
3247 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3248 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
3249 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3250 chandef->freq1_offset = control_freq % 1000;
3251 chandef->center_freq2 = 0;
3253 /* Primary channel not allowed */
3254 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3255 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3256 "Channel is disabled");
3260 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3261 enum nl80211_channel_type chantype;
3263 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3266 case NL80211_CHAN_NO_HT:
3267 case NL80211_CHAN_HT20:
3268 case NL80211_CHAN_HT40PLUS:
3269 case NL80211_CHAN_HT40MINUS:
3270 cfg80211_chandef_create(chandef, chandef->chan,
3272 /* user input for center_freq is incorrect */
3273 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3274 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3275 NL_SET_ERR_MSG_ATTR(extack,
3276 attrs[NL80211_ATTR_CENTER_FREQ1],
3277 "bad center frequency 1");
3280 /* center_freq2 must be zero */
3281 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3282 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3283 NL_SET_ERR_MSG_ATTR(extack,
3284 attrs[NL80211_ATTR_CENTER_FREQ2],
3285 "center frequency 2 can't be used");
3290 NL_SET_ERR_MSG_ATTR(extack,
3291 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3292 "invalid channel type");
3295 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3297 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
3298 if (chandef->chan->band == NL80211_BAND_S1GHZ) {
3299 /* User input error for channel width doesn't match channel */
3300 if (chandef->width != ieee80211_s1g_channel_width(chandef->chan)) {
3301 NL_SET_ERR_MSG_ATTR(extack,
3302 attrs[NL80211_ATTR_CHANNEL_WIDTH],
3303 "bad channel width");
3307 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3308 chandef->center_freq1 =
3309 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
3310 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3311 chandef->freq1_offset = nla_get_u32(
3312 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3314 chandef->freq1_offset = 0;
3316 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3317 chandef->center_freq2 =
3318 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3321 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3322 chandef->edmg.channels =
3323 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3325 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3326 chandef->edmg.bw_config =
3327 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3329 chandef->edmg.bw_config = 0;
3330 chandef->edmg.channels = 0;
3333 if (!cfg80211_chandef_valid(chandef)) {
3334 NL_SET_ERR_MSG(extack, "invalid channel definition");
3338 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
3339 IEEE80211_CHAN_DISABLED)) {
3340 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3344 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3345 chandef->width == NL80211_CHAN_WIDTH_10) &&
3346 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3347 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
3354 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
3355 struct net_device *dev,
3356 struct genl_info *info,
3359 struct cfg80211_chan_def chandef;
3361 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
3362 struct wireless_dev *wdev = NULL;
3363 int link_id = _link_id;
3366 wdev = dev->ieee80211_ptr;
3367 if (!nl80211_can_set_dev_channel(wdev))
3370 iftype = wdev->iftype;
3373 if (wdev && wdev->valid_links)
3378 result = nl80211_parse_chandef(rdev, info, &chandef);
3383 case NL80211_IFTYPE_AP:
3384 case NL80211_IFTYPE_P2P_GO:
3385 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3388 if (wdev->links[link_id].ap.beacon_interval) {
3389 struct ieee80211_channel *cur_chan;
3391 if (!dev || !rdev->ops->set_ap_chanwidth ||
3392 !(rdev->wiphy.features &
3393 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE))
3396 /* Only allow dynamic channel width changes */
3397 cur_chan = wdev->links[link_id].ap.chandef.chan;
3398 if (chandef.chan != cur_chan)
3401 result = rdev_set_ap_chanwidth(rdev, dev, link_id,
3405 wdev->links[link_id].ap.chandef = chandef;
3407 wdev->u.ap.preset_chandef = chandef;
3410 case NL80211_IFTYPE_MESH_POINT:
3411 return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
3412 case NL80211_IFTYPE_MONITOR:
3413 return cfg80211_set_monitor_channel(rdev, &chandef);
3421 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3423 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3424 int link_id = nl80211_link_id_or_invalid(info->attrs);
3425 struct net_device *netdev = info->user_ptr[1];
3428 wdev_lock(netdev->ieee80211_ptr);
3429 ret = __nl80211_set_channel(rdev, netdev, info, link_id);
3430 wdev_unlock(netdev->ieee80211_ptr);
3435 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3437 struct cfg80211_registered_device *rdev = NULL;
3438 struct net_device *netdev = NULL;
3439 struct wireless_dev *wdev;
3440 int result = 0, rem_txq_params = 0;
3441 struct nlattr *nl_txq_params;
3443 u8 retry_short = 0, retry_long = 0;
3444 u32 frag_threshold = 0, rts_threshold = 0;
3445 u8 coverage_class = 0;
3446 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
3450 * Try to find the wiphy and netdev. Normally this
3451 * function shouldn't need the netdev, but this is
3452 * done for backward compatibility -- previously
3453 * setting the channel was done per wiphy, but now
3454 * it is per netdev. Previous userland like hostapd
3455 * also passed a netdev to set_wiphy, so that it is
3456 * possible to let that go to the right netdev!
3459 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3460 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3462 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
3463 if (netdev && netdev->ieee80211_ptr)
3464 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
3470 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3474 return PTR_ERR(rdev);
3480 wdev = netdev->ieee80211_ptr;
3482 wiphy_lock(&rdev->wiphy);
3485 * end workaround code, by now the rdev is available
3486 * and locked, and wdev may or may not be NULL.
3489 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
3490 result = cfg80211_dev_rename(
3491 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
3497 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3498 struct ieee80211_txq_params txq_params;
3499 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3501 if (!rdev->ops->set_txq_params) {
3502 result = -EOPNOTSUPP;
3511 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3512 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3517 if (!netif_running(netdev)) {
3522 nla_for_each_nested(nl_txq_params,
3523 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3525 result = nla_parse_nested_deprecated(tb,
3526 NL80211_TXQ_ATTR_MAX,
3532 result = parse_txq_params(tb, &txq_params);
3536 txq_params.link_id =
3537 nl80211_link_id_or_invalid(info->attrs);
3539 wdev_lock(netdev->ieee80211_ptr);
3540 if (txq_params.link_id >= 0 &&
3541 !(netdev->ieee80211_ptr->valid_links &
3542 BIT(txq_params.link_id)))
3544 else if (txq_params.link_id >= 0 &&
3545 !netdev->ieee80211_ptr->valid_links)
3548 result = rdev_set_txq_params(rdev, netdev,
3550 wdev_unlock(netdev->ieee80211_ptr);
3556 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3557 int link_id = nl80211_link_id_or_invalid(info->attrs);
3561 result = __nl80211_set_channel(
3563 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3567 result = __nl80211_set_channel(rdev, netdev, info, link_id);
3574 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
3575 struct wireless_dev *txp_wdev = wdev;
3576 enum nl80211_tx_power_setting type;
3579 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3582 if (!rdev->ops->set_tx_power) {
3583 result = -EOPNOTSUPP;
3587 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3588 type = nla_get_u32(info->attrs[idx]);
3590 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
3591 (type != NL80211_TX_POWER_AUTOMATIC)) {
3596 if (type != NL80211_TX_POWER_AUTOMATIC) {
3597 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3598 mbm = nla_get_u32(info->attrs[idx]);
3601 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
3606 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3607 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3610 if ((!rdev->wiphy.available_antennas_tx &&
3611 !rdev->wiphy.available_antennas_rx) ||
3612 !rdev->ops->set_antenna) {
3613 result = -EOPNOTSUPP;
3617 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3618 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3620 /* reject antenna configurations which don't match the
3621 * available antenna masks, except for the "all" mask */
3622 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3623 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3628 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3629 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3631 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3638 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3639 retry_short = nla_get_u8(
3640 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3642 changed |= WIPHY_PARAM_RETRY_SHORT;
3645 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3646 retry_long = nla_get_u8(
3647 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3649 changed |= WIPHY_PARAM_RETRY_LONG;
3652 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3653 frag_threshold = nla_get_u32(
3654 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3655 if (frag_threshold < 256) {
3660 if (frag_threshold != (u32) -1) {
3662 * Fragments (apart from the last one) are required to
3663 * have even length. Make the fragmentation code
3664 * simpler by stripping LSB should someone try to use
3665 * odd threshold value.
3667 frag_threshold &= ~0x1;
3669 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3672 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3673 rts_threshold = nla_get_u32(
3674 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3675 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3678 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3679 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3684 coverage_class = nla_get_u8(
3685 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3686 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3689 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3690 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3691 result = -EOPNOTSUPP;
3695 changed |= WIPHY_PARAM_DYN_ACK;
3698 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3699 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3700 NL80211_EXT_FEATURE_TXQS)) {
3701 result = -EOPNOTSUPP;
3704 txq_limit = nla_get_u32(
3705 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3706 changed |= WIPHY_PARAM_TXQ_LIMIT;
3709 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3710 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3711 NL80211_EXT_FEATURE_TXQS)) {
3712 result = -EOPNOTSUPP;
3715 txq_memory_limit = nla_get_u32(
3716 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3717 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3720 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3721 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3722 NL80211_EXT_FEATURE_TXQS)) {
3723 result = -EOPNOTSUPP;
3726 txq_quantum = nla_get_u32(
3727 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3728 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3732 u8 old_retry_short, old_retry_long;
3733 u32 old_frag_threshold, old_rts_threshold;
3734 u8 old_coverage_class;
3735 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3737 if (!rdev->ops->set_wiphy_params) {
3738 result = -EOPNOTSUPP;
3742 old_retry_short = rdev->wiphy.retry_short;
3743 old_retry_long = rdev->wiphy.retry_long;
3744 old_frag_threshold = rdev->wiphy.frag_threshold;
3745 old_rts_threshold = rdev->wiphy.rts_threshold;
3746 old_coverage_class = rdev->wiphy.coverage_class;
3747 old_txq_limit = rdev->wiphy.txq_limit;
3748 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3749 old_txq_quantum = rdev->wiphy.txq_quantum;
3751 if (changed & WIPHY_PARAM_RETRY_SHORT)
3752 rdev->wiphy.retry_short = retry_short;
3753 if (changed & WIPHY_PARAM_RETRY_LONG)
3754 rdev->wiphy.retry_long = retry_long;
3755 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3756 rdev->wiphy.frag_threshold = frag_threshold;
3757 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3758 rdev->wiphy.rts_threshold = rts_threshold;
3759 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3760 rdev->wiphy.coverage_class = coverage_class;
3761 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3762 rdev->wiphy.txq_limit = txq_limit;
3763 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3764 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3765 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3766 rdev->wiphy.txq_quantum = txq_quantum;
3768 result = rdev_set_wiphy_params(rdev, changed);
3770 rdev->wiphy.retry_short = old_retry_short;
3771 rdev->wiphy.retry_long = old_retry_long;
3772 rdev->wiphy.frag_threshold = old_frag_threshold;
3773 rdev->wiphy.rts_threshold = old_rts_threshold;
3774 rdev->wiphy.coverage_class = old_coverage_class;
3775 rdev->wiphy.txq_limit = old_txq_limit;
3776 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3777 rdev->wiphy.txq_quantum = old_txq_quantum;
3785 wiphy_unlock(&rdev->wiphy);
3789 int nl80211_send_chandef(struct sk_buff *msg, const struct cfg80211_chan_def *chandef)
3791 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3794 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3795 chandef->chan->center_freq))
3797 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3798 chandef->chan->freq_offset))
3800 switch (chandef->width) {
3801 case NL80211_CHAN_WIDTH_20_NOHT:
3802 case NL80211_CHAN_WIDTH_20:
3803 case NL80211_CHAN_WIDTH_40:
3804 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3805 cfg80211_get_chandef_type(chandef)))
3811 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3813 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3815 if (chandef->center_freq2 &&
3816 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3820 EXPORT_SYMBOL(nl80211_send_chandef);
3822 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3823 struct cfg80211_registered_device *rdev,
3824 struct wireless_dev *wdev,
3825 enum nl80211_commands cmd)
3827 struct net_device *dev = wdev->netdev;
3830 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3831 cmd != NL80211_CMD_DEL_INTERFACE &&
3832 cmd != NL80211_CMD_SET_INTERFACE);
3834 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3839 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3840 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3841 goto nla_put_failure;
3843 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3844 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3845 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3846 NL80211_ATTR_PAD) ||
3847 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3848 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3849 rdev->devlist_generation ^
3850 (cfg80211_rdev_list_generation << 2)) ||
3851 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3852 goto nla_put_failure;
3854 if (rdev->ops->get_channel && !wdev->valid_links) {
3855 struct cfg80211_chan_def chandef = {};
3858 ret = rdev_get_channel(rdev, wdev, 0, &chandef);
3859 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3860 goto nla_put_failure;
3863 if (rdev->ops->get_tx_power) {
3866 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3868 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3870 goto nla_put_failure;
3874 switch (wdev->iftype) {
3875 case NL80211_IFTYPE_AP:
3876 case NL80211_IFTYPE_P2P_GO:
3877 if (wdev->u.ap.ssid_len &&
3878 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
3880 goto nla_put_failure_locked;
3882 case NL80211_IFTYPE_STATION:
3883 case NL80211_IFTYPE_P2P_CLIENT:
3884 if (wdev->u.client.ssid_len &&
3885 nla_put(msg, NL80211_ATTR_SSID, wdev->u.client.ssid_len,
3886 wdev->u.client.ssid))
3887 goto nla_put_failure_locked;
3889 case NL80211_IFTYPE_ADHOC:
3890 if (wdev->u.ibss.ssid_len &&
3891 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ibss.ssid_len,
3893 goto nla_put_failure_locked;
3901 if (rdev->ops->get_txq_stats) {
3902 struct cfg80211_txq_stats txqstats = {};
3903 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3906 !nl80211_put_txq_stats(msg, &txqstats,
3907 NL80211_ATTR_TXQ_STATS))
3908 goto nla_put_failure;
3911 if (wdev->valid_links) {
3912 unsigned int link_id;
3913 struct nlattr *links = nla_nest_start(msg,
3914 NL80211_ATTR_MLO_LINKS);
3917 goto nla_put_failure;
3919 for_each_valid_link(wdev, link_id) {
3920 struct nlattr *link = nla_nest_start(msg, link_id + 1);
3921 struct cfg80211_chan_def chandef = {};
3925 goto nla_put_failure;
3927 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
3928 goto nla_put_failure;
3929 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
3930 wdev->links[link_id].addr))
3931 goto nla_put_failure;
3933 ret = rdev_get_channel(rdev, wdev, link_id, &chandef);
3934 if (ret == 0 && nl80211_send_chandef(msg, &chandef))
3935 goto nla_put_failure;
3937 nla_nest_end(msg, link);
3940 nla_nest_end(msg, links);
3943 genlmsg_end(msg, hdr);
3946 nla_put_failure_locked:
3949 genlmsg_cancel(msg, hdr);
3953 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3957 int wp_start = cb->args[0];
3958 int if_start = cb->args[1];
3959 int filter_wiphy = -1;
3960 struct cfg80211_registered_device *rdev;
3961 struct wireless_dev *wdev;
3966 struct nl80211_dump_wiphy_state state = {
3970 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3974 filter_wiphy = state.filter_wiphy;
3977 * if filtering, set cb->args[2] to +1 since 0 is the default
3978 * value needed to determine that parsing is necessary.
3980 if (filter_wiphy >= 0)
3981 cb->args[2] = filter_wiphy + 1;
3984 } else if (cb->args[2] > 0) {
3985 filter_wiphy = cb->args[2] - 1;
3988 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3989 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3991 if (wp_idx < wp_start) {
3996 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
4001 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
4002 if (if_idx < if_start) {
4006 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
4007 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4009 NL80211_CMD_NEW_INTERFACE) < 0) {
4018 cb->args[0] = wp_idx;
4019 cb->args[1] = if_idx;
4028 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
4030 struct sk_buff *msg;
4031 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4032 struct wireless_dev *wdev = info->user_ptr[1];
4034 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4038 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4039 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4044 return genlmsg_reply(msg, info);
4047 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
4048 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
4049 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
4050 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
4051 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
4052 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
4053 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
4056 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
4058 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
4066 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
4069 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
4071 *mntrflags |= (1<<flag);
4073 *mntrflags |= MONITOR_FLAG_CHANGED;
4078 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
4079 enum nl80211_iftype type,
4080 struct genl_info *info,
4081 struct vif_params *params)
4083 bool change = false;
4086 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
4087 if (type != NL80211_IFTYPE_MONITOR)
4090 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
4098 if (params->flags & MONITOR_FLAG_ACTIVE &&
4099 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
4102 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
4103 const u8 *mumimo_groups;
4104 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4106 if (type != NL80211_IFTYPE_MONITOR)
4109 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4113 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
4115 /* bits 0 and 63 are reserved and must be zero */
4116 if ((mumimo_groups[0] & BIT(0)) ||
4117 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
4120 params->vht_mumimo_groups = mumimo_groups;
4124 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
4125 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
4127 if (type != NL80211_IFTYPE_MONITOR)
4130 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
4133 params->vht_mumimo_follow_addr =
4134 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
4138 return change ? 1 : 0;
4141 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
4142 struct net_device *netdev, u8 use_4addr,
4143 enum nl80211_iftype iftype)
4146 if (netdev && netif_is_bridge_port(netdev))
4152 case NL80211_IFTYPE_AP_VLAN:
4153 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
4156 case NL80211_IFTYPE_STATION:
4157 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
4167 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
4169 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4170 struct vif_params params;
4172 enum nl80211_iftype otype, ntype;
4173 struct net_device *dev = info->user_ptr[1];
4174 bool change = false;
4176 memset(¶ms, 0, sizeof(params));
4178 otype = ntype = dev->ieee80211_ptr->iftype;
4180 if (info->attrs[NL80211_ATTR_IFTYPE]) {
4181 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
4186 if (info->attrs[NL80211_ATTR_MESH_ID]) {
4187 struct wireless_dev *wdev = dev->ieee80211_ptr;
4189 if (ntype != NL80211_IFTYPE_MESH_POINT)
4191 if (netif_running(dev))
4195 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4196 IEEE80211_MAX_MESH_ID_LEN);
4197 wdev->u.mesh.id_up_len =
4198 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4199 memcpy(wdev->u.mesh.id,
4200 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4201 wdev->u.mesh.id_up_len);
4205 if (info->attrs[NL80211_ATTR_4ADDR]) {
4206 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4208 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
4212 params.use_4addr = -1;
4215 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
4222 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
4226 if (!err && params.use_4addr != -1)
4227 dev->ieee80211_ptr->use_4addr = params.use_4addr;
4229 if (change && !err) {
4230 struct wireless_dev *wdev = dev->ieee80211_ptr;
4232 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
4238 static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4240 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4241 struct vif_params params;
4242 struct wireless_dev *wdev;
4243 struct sk_buff *msg;
4245 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
4247 memset(¶ms, 0, sizeof(params));
4249 if (!info->attrs[NL80211_ATTR_IFNAME])
4252 if (info->attrs[NL80211_ATTR_IFTYPE])
4253 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
4255 if (!rdev->ops->add_virtual_intf)
4258 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
4259 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
4260 info->attrs[NL80211_ATTR_MAC]) {
4261 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
4263 if (!is_valid_ether_addr(params.macaddr))
4264 return -EADDRNOTAVAIL;
4267 if (info->attrs[NL80211_ATTR_4ADDR]) {
4268 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4269 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
4274 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
4277 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
4281 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4285 wdev = rdev_add_virtual_intf(rdev,
4286 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
4287 NET_NAME_USER, type, ¶ms);
4288 if (WARN_ON(!wdev)) {
4291 } else if (IS_ERR(wdev)) {
4293 return PTR_ERR(wdev);
4296 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4297 wdev->owner_nlportid = info->snd_portid;
4300 case NL80211_IFTYPE_MESH_POINT:
4301 if (!info->attrs[NL80211_ATTR_MESH_ID])
4304 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4305 IEEE80211_MAX_MESH_ID_LEN);
4306 wdev->u.mesh.id_up_len =
4307 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4308 memcpy(wdev->u.mesh.id,
4309 nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4310 wdev->u.mesh.id_up_len);
4313 case NL80211_IFTYPE_NAN:
4314 case NL80211_IFTYPE_P2P_DEVICE:
4316 * P2P Device and NAN do not have a netdev, so don't go
4317 * through the netdev notifier and must be added here
4319 cfg80211_init_wdev(wdev);
4320 cfg80211_register_wdev(rdev, wdev);
4326 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4327 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4332 return genlmsg_reply(msg, info);
4335 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4337 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4340 /* to avoid failing a new interface creation due to pending removal */
4341 cfg80211_destroy_ifaces(rdev);
4343 wiphy_lock(&rdev->wiphy);
4344 ret = _nl80211_new_interface(skb, info);
4345 wiphy_unlock(&rdev->wiphy);
4350 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4352 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4353 struct wireless_dev *wdev = info->user_ptr[1];
4355 if (!rdev->ops->del_virtual_intf)
4359 * We hold RTNL, so this is safe, without RTNL opencount cannot
4360 * reach 0, and thus the rdev cannot be deleted.
4362 * We need to do it for the dev_close(), since that will call
4363 * the netdev notifiers, and we need to acquire the mutex there
4364 * but don't know if we get there from here or from some other
4365 * place (e.g. "ip link set ... down").
4367 mutex_unlock(&rdev->wiphy.mtx);
4370 * If we remove a wireless device without a netdev then clear
4371 * user_ptr[1] so that nl80211_post_doit won't dereference it
4372 * to check if it needs to do dev_put(). Otherwise it crashes
4373 * since the wdev has been freed, unlike with a netdev where
4374 * we need the dev_put() for the netdev to really be freed.
4377 info->user_ptr[1] = NULL;
4379 dev_close(wdev->netdev);
4381 mutex_lock(&rdev->wiphy.mtx);
4383 return cfg80211_remove_virtual_intf(rdev, wdev);
4386 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4388 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4389 struct net_device *dev = info->user_ptr[1];
4392 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4395 if (!rdev->ops->set_noack_map)
4398 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4400 return rdev_set_noack_map(rdev, dev, noack_map);
4403 static int nl80211_validate_key_link_id(struct genl_info *info,
4404 struct wireless_dev *wdev,
4405 int link_id, bool pairwise)
4408 if (link_id != -1) {
4409 GENL_SET_ERR_MSG(info,
4410 "link ID not allowed for pairwise key");
4417 if (wdev->valid_links) {
4418 if (link_id == -1) {
4419 GENL_SET_ERR_MSG(info,
4420 "link ID must for MLO group key");
4423 if (!(wdev->valid_links & BIT(link_id))) {
4424 GENL_SET_ERR_MSG(info, "invalid link ID for MLO group key");
4427 } else if (link_id != -1) {
4428 GENL_SET_ERR_MSG(info, "link ID not allowed for non-MLO group key");
4435 struct get_key_cookie {
4436 struct sk_buff *msg;
4441 static void get_key_callback(void *c, struct key_params *params)
4444 struct get_key_cookie *cookie = c;
4447 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4448 params->key_len, params->key)) ||
4450 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4451 params->seq_len, params->seq)) ||
4453 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4455 goto nla_put_failure;
4457 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
4459 goto nla_put_failure;
4462 nla_put(cookie->msg, NL80211_KEY_DATA,
4463 params->key_len, params->key)) ||
4465 nla_put(cookie->msg, NL80211_KEY_SEQ,
4466 params->seq_len, params->seq)) ||
4468 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4470 goto nla_put_failure;
4472 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
4473 goto nla_put_failure;
4475 nla_nest_end(cookie->msg, key);
4482 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4484 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4486 struct net_device *dev = info->user_ptr[1];
4488 const u8 *mac_addr = NULL;
4490 struct get_key_cookie cookie = {
4494 struct sk_buff *msg;
4495 bool bigtk_support = false;
4496 int link_id = nl80211_link_id_or_invalid(info->attrs);
4497 struct wireless_dev *wdev = dev->ieee80211_ptr;
4499 if (wiphy_ext_feature_isset(&rdev->wiphy,
4500 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4501 bigtk_support = true;
4503 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
4504 wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4505 wiphy_ext_feature_isset(&rdev->wiphy,
4506 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4507 bigtk_support = true;
4509 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4510 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4512 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4513 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4518 if (info->attrs[NL80211_ATTR_MAC])
4519 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4521 pairwise = !!mac_addr;
4522 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4523 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4525 if (kt != NL80211_KEYTYPE_GROUP &&
4526 kt != NL80211_KEYTYPE_PAIRWISE)
4528 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4531 if (!rdev->ops->get_key)
4534 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4537 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4541 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4542 NL80211_CMD_NEW_KEY);
4544 goto nla_put_failure;
4547 cookie.idx = key_idx;
4549 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4550 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4551 goto nla_put_failure;
4553 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4554 goto nla_put_failure;
4556 err = nl80211_validate_key_link_id(info, wdev, link_id, pairwise);
4560 err = rdev_get_key(rdev, dev, link_id, key_idx, pairwise, mac_addr,
4561 &cookie, get_key_callback);
4567 goto nla_put_failure;
4569 genlmsg_end(msg, hdr);
4570 return genlmsg_reply(msg, info);
4579 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4581 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4582 struct key_parse key;
4584 struct net_device *dev = info->user_ptr[1];
4585 int link_id = nl80211_link_id_or_invalid(info->attrs);
4586 struct wireless_dev *wdev = dev->ieee80211_ptr;
4588 err = nl80211_parse_key(info, &key);
4595 /* Only support setting default key and
4596 * Extended Key ID action NL80211_KEY_SET_TX.
4598 if (!key.def && !key.defmgmt && !key.defbeacon &&
4599 !(key.p.mode == NL80211_KEY_SET_TX))
4605 if (!rdev->ops->set_default_key) {
4610 err = nl80211_key_allowed(wdev);
4614 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4618 err = rdev_set_default_key(rdev, dev, link_id, key.idx,
4619 key.def_uni, key.def_multi);
4624 #ifdef CONFIG_CFG80211_WEXT
4625 wdev->wext.default_key = key.idx;
4627 } else if (key.defmgmt) {
4628 if (key.def_uni || !key.def_multi) {
4633 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;
4653 } else if (key.defbeacon) {
4654 if (key.def_uni || !key.def_multi) {
4659 if (!rdev->ops->set_default_beacon_key) {
4664 err = nl80211_key_allowed(wdev);
4668 err = nl80211_validate_key_link_id(info, wdev, link_id, false);
4672 err = rdev_set_default_beacon_key(rdev, dev, link_id, key.idx);
4675 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4676 wiphy_ext_feature_isset(&rdev->wiphy,
4677 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4678 u8 *mac_addr = NULL;
4680 if (info->attrs[NL80211_ATTR_MAC])
4681 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4683 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4688 err = nl80211_validate_key_link_id(info, wdev, link_id, true);
4692 err = rdev_add_key(rdev, dev, link_id, key.idx,
4693 NL80211_KEYTYPE_PAIRWISE,
4704 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4706 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4708 struct net_device *dev = info->user_ptr[1];
4709 struct key_parse key;
4710 const u8 *mac_addr = NULL;
4711 int link_id = nl80211_link_id_or_invalid(info->attrs);
4712 struct wireless_dev *wdev = dev->ieee80211_ptr;
4714 err = nl80211_parse_key(info, &key);
4719 GENL_SET_ERR_MSG(info, "no key");
4723 if (info->attrs[NL80211_ATTR_MAC])
4724 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4726 if (key.type == -1) {
4728 key.type = NL80211_KEYTYPE_PAIRWISE;
4730 key.type = NL80211_KEYTYPE_GROUP;
4734 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4735 key.type != NL80211_KEYTYPE_GROUP) {
4736 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4740 if (key.type == NL80211_KEYTYPE_GROUP &&
4741 info->attrs[NL80211_ATTR_VLAN_ID])
4742 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4744 if (!rdev->ops->add_key)
4747 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4748 key.type == NL80211_KEYTYPE_PAIRWISE,
4750 GENL_SET_ERR_MSG(info, "key setting validation failed");
4755 err = nl80211_key_allowed(wdev);
4757 GENL_SET_ERR_MSG(info, "key not allowed");
4760 err = nl80211_validate_key_link_id(info, wdev, link_id,
4761 key.type == NL80211_KEYTYPE_PAIRWISE);
4764 err = rdev_add_key(rdev, dev, link_id, key.idx,
4765 key.type == NL80211_KEYTYPE_PAIRWISE,
4768 GENL_SET_ERR_MSG(info, "key addition failed");
4775 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4777 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4779 struct net_device *dev = info->user_ptr[1];
4780 u8 *mac_addr = NULL;
4781 struct key_parse key;
4782 int link_id = nl80211_link_id_or_invalid(info->attrs);
4783 struct wireless_dev *wdev = dev->ieee80211_ptr;
4785 err = nl80211_parse_key(info, &key);
4789 if (info->attrs[NL80211_ATTR_MAC])
4790 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4792 if (key.type == -1) {
4794 key.type = NL80211_KEYTYPE_PAIRWISE;
4796 key.type = NL80211_KEYTYPE_GROUP;
4800 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4801 key.type != NL80211_KEYTYPE_GROUP)
4804 if (!cfg80211_valid_key_idx(rdev, key.idx,
4805 key.type == NL80211_KEYTYPE_PAIRWISE))
4808 if (!rdev->ops->del_key)
4812 err = nl80211_key_allowed(wdev);
4814 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4815 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4819 err = nl80211_validate_key_link_id(info, wdev, link_id,
4820 key.type == NL80211_KEYTYPE_PAIRWISE);
4823 err = rdev_del_key(rdev, dev, link_id, key.idx,
4824 key.type == NL80211_KEYTYPE_PAIRWISE,
4827 #ifdef CONFIG_CFG80211_WEXT
4829 if (key.idx == wdev->wext.default_key)
4830 wdev->wext.default_key = -1;
4831 else if (key.idx == wdev->wext.default_mgmt_key)
4832 wdev->wext.default_mgmt_key = -1;
4840 /* This function returns an error or the number of nested attributes */
4841 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4843 struct nlattr *attr;
4844 int n_entries = 0, tmp;
4846 nla_for_each_nested(attr, nl_attr, tmp) {
4847 if (nla_len(attr) != ETH_ALEN)
4857 * This function parses ACL information and allocates memory for ACL data.
4858 * On successful return, the calling function is responsible to free the
4859 * ACL buffer returned by this function.
4861 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4862 struct genl_info *info)
4864 enum nl80211_acl_policy acl_policy;
4865 struct nlattr *attr;
4866 struct cfg80211_acl_data *acl;
4867 int i = 0, n_entries, tmp;
4869 if (!wiphy->max_acl_mac_addrs)
4870 return ERR_PTR(-EOPNOTSUPP);
4872 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4873 return ERR_PTR(-EINVAL);
4875 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4876 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4877 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4878 return ERR_PTR(-EINVAL);
4880 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4881 return ERR_PTR(-EINVAL);
4883 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4885 return ERR_PTR(n_entries);
4887 if (n_entries > wiphy->max_acl_mac_addrs)
4888 return ERR_PTR(-ENOTSUPP);
4890 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4892 return ERR_PTR(-ENOMEM);
4893 acl->n_acl_entries = n_entries;
4895 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4896 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4899 acl->acl_policy = acl_policy;
4904 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4906 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4907 struct net_device *dev = info->user_ptr[1];
4908 struct cfg80211_acl_data *acl;
4911 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4912 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4915 if (!dev->ieee80211_ptr->links[0].ap.beacon_interval)
4918 acl = parse_acl_data(&rdev->wiphy, info);
4920 return PTR_ERR(acl);
4922 err = rdev_set_mac_acl(rdev, dev, acl);
4929 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4930 u8 *rates, u8 rates_len)
4935 for (i = 0; i < rates_len; i++) {
4936 int rate = (rates[i] & 0x7f) * 5;
4939 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4940 struct ieee80211_rate *srate =
4941 &sband->bitrates[ridx];
4942 if (rate == srate->bitrate) {
4947 if (ridx == sband->n_bitrates)
4948 return 0; /* rate not found */
4954 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4955 u8 *rates, u8 rates_len,
4956 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4960 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4962 for (i = 0; i < rates_len; i++) {
4965 ridx = rates[i] / 8;
4966 rbit = BIT(rates[i] % 8);
4968 /* check validity */
4969 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4972 /* check availability */
4973 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4974 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4983 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4987 switch (vht_mcs_map) {
4988 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4990 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4993 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4996 case IEEE80211_VHT_MCS_SUPPORT_0_9:
5006 static void vht_build_mcs_mask(u16 vht_mcs_map,
5007 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
5011 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
5012 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
5017 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
5018 struct nl80211_txrate_vht *txrate,
5019 u16 mcs[NL80211_VHT_NSS_MAX])
5021 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5022 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
5025 if (!sband->vht_cap.vht_supported)
5028 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
5030 /* Build vht_mcs_mask from VHT capabilities */
5031 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5033 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5034 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5035 mcs[i] = txrate->mcs[i];
5043 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
5045 switch (he_mcs_map) {
5046 case IEEE80211_HE_MCS_NOT_SUPPORTED:
5048 case IEEE80211_HE_MCS_SUPPORT_0_7:
5050 case IEEE80211_HE_MCS_SUPPORT_0_9:
5052 case IEEE80211_HE_MCS_SUPPORT_0_11:
5060 static void he_build_mcs_mask(u16 he_mcs_map,
5061 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
5065 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
5066 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
5071 static u16 he_get_txmcsmap(struct genl_info *info, unsigned int link_id,
5072 const struct ieee80211_sta_he_cap *he_cap)
5074 struct net_device *dev = info->user_ptr[1];
5075 struct wireless_dev *wdev = dev->ieee80211_ptr;
5076 struct cfg80211_chan_def *chandef;
5079 chandef = wdev_chandef(wdev, link_id);
5082 * This is probably broken, but we never maintained
5083 * a chandef in these cases, so it always was.
5085 return le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80);
5088 switch (chandef->width) {
5089 case NL80211_CHAN_WIDTH_80P80:
5090 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
5092 case NL80211_CHAN_WIDTH_160:
5093 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
5096 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
5100 return le16_to_cpu(tx_mcs);
5103 static bool he_set_mcs_mask(struct genl_info *info,
5104 struct wireless_dev *wdev,
5105 struct ieee80211_supported_band *sband,
5106 struct nl80211_txrate_he *txrate,
5107 u16 mcs[NL80211_HE_NSS_MAX],
5108 unsigned int link_id)
5110 const struct ieee80211_sta_he_cap *he_cap;
5111 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
5115 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5119 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
5121 tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
5123 /* Build he_mcs_mask from HE capabilities */
5124 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
5126 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5127 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
5128 mcs[i] = txrate->mcs[i];
5136 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
5137 struct nlattr *attrs[],
5138 enum nl80211_attrs attr,
5139 struct cfg80211_bitrate_mask *mask,
5140 struct net_device *dev,
5141 bool default_all_enabled,
5142 unsigned int link_id)
5144 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
5145 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5146 struct wireless_dev *wdev = dev->ieee80211_ptr;
5148 struct nlattr *tx_rates;
5149 struct ieee80211_supported_band *sband;
5150 u16 vht_tx_mcs_map, he_tx_mcs_map;
5152 memset(mask, 0, sizeof(*mask));
5153 /* Default to all rates enabled */
5154 for (i = 0; i < NUM_NL80211_BANDS; i++) {
5155 const struct ieee80211_sta_he_cap *he_cap;
5157 if (!default_all_enabled)
5160 sband = rdev->wiphy.bands[i];
5165 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
5166 memcpy(mask->control[i].ht_mcs,
5167 sband->ht_cap.mcs.rx_mask,
5168 sizeof(mask->control[i].ht_mcs));
5170 if (sband->vht_cap.vht_supported) {
5171 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5172 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
5175 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
5179 he_tx_mcs_map = he_get_txmcsmap(info, link_id, he_cap);
5180 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
5182 mask->control[i].he_gi = 0xFF;
5183 mask->control[i].he_ltf = 0xFF;
5186 /* if no rates are given set it back to the defaults */
5190 /* The nested attribute uses enum nl80211_band as the index. This maps
5191 * directly to the enum nl80211_band values used in cfg80211.
5193 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
5194 nla_for_each_nested(tx_rates, attrs[attr], rem) {
5195 enum nl80211_band band = nla_type(tx_rates);
5198 if (band < 0 || band >= NUM_NL80211_BANDS)
5200 sband = rdev->wiphy.bands[band];
5203 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
5205 nl80211_txattr_policy,
5209 if (tb[NL80211_TXRATE_LEGACY]) {
5210 mask->control[band].legacy = rateset_to_mask(
5212 nla_data(tb[NL80211_TXRATE_LEGACY]),
5213 nla_len(tb[NL80211_TXRATE_LEGACY]));
5214 if ((mask->control[band].legacy == 0) &&
5215 nla_len(tb[NL80211_TXRATE_LEGACY]))
5218 if (tb[NL80211_TXRATE_HT]) {
5219 if (!ht_rateset_to_mask(
5221 nla_data(tb[NL80211_TXRATE_HT]),
5222 nla_len(tb[NL80211_TXRATE_HT]),
5223 mask->control[band].ht_mcs))
5227 if (tb[NL80211_TXRATE_VHT]) {
5228 if (!vht_set_mcs_mask(
5230 nla_data(tb[NL80211_TXRATE_VHT]),
5231 mask->control[band].vht_mcs))
5235 if (tb[NL80211_TXRATE_GI]) {
5236 mask->control[band].gi =
5237 nla_get_u8(tb[NL80211_TXRATE_GI]);
5238 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
5241 if (tb[NL80211_TXRATE_HE] &&
5242 !he_set_mcs_mask(info, wdev, sband,
5243 nla_data(tb[NL80211_TXRATE_HE]),
5244 mask->control[band].he_mcs,
5248 if (tb[NL80211_TXRATE_HE_GI])
5249 mask->control[band].he_gi =
5250 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
5251 if (tb[NL80211_TXRATE_HE_LTF])
5252 mask->control[band].he_ltf =
5253 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
5255 if (mask->control[band].legacy == 0) {
5256 /* don't allow empty legacy rates if HT, VHT or HE
5257 * are not even supported.
5259 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
5260 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
5261 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
5264 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
5265 if (mask->control[band].ht_mcs[i])
5268 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
5269 if (mask->control[band].vht_mcs[i])
5272 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
5273 if (mask->control[band].he_mcs[i])
5276 /* legacy and mcs rates may not be both empty */
5285 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
5286 enum nl80211_band band,
5287 struct cfg80211_bitrate_mask *beacon_rate)
5289 u32 count_ht, count_vht, count_he, i;
5290 u32 rate = beacon_rate->control[band].legacy;
5292 /* Allow only one rate */
5293 if (hweight32(rate) > 1)
5297 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
5298 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
5300 } else if (beacon_rate->control[band].ht_mcs[i]) {
5305 if (count_ht && rate)
5310 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5311 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
5313 } else if (beacon_rate->control[band].vht_mcs[i]) {
5318 if (count_vht && rate)
5323 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5324 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
5326 } else if (beacon_rate->control[band].he_mcs[i]) {
5331 if (count_he && rate)
5335 if ((count_ht && count_vht && count_he) ||
5336 (!rate && !count_ht && !count_vht && !count_he))
5340 !wiphy_ext_feature_isset(&rdev->wiphy,
5341 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
5344 !wiphy_ext_feature_isset(&rdev->wiphy,
5345 NL80211_EXT_FEATURE_BEACON_RATE_HT))
5348 !wiphy_ext_feature_isset(&rdev->wiphy,
5349 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
5352 !wiphy_ext_feature_isset(&rdev->wiphy,
5353 NL80211_EXT_FEATURE_BEACON_RATE_HE))
5359 static int nl80211_parse_mbssid_config(struct wiphy *wiphy,
5360 struct net_device *dev,
5361 struct nlattr *attrs,
5362 struct cfg80211_mbssid_config *config,
5365 struct nlattr *tb[NL80211_MBSSID_CONFIG_ATTR_MAX + 1];
5367 if (!wiphy->mbssid_max_interfaces)
5370 if (nla_parse_nested(tb, NL80211_MBSSID_CONFIG_ATTR_MAX, attrs, NULL,
5372 !tb[NL80211_MBSSID_CONFIG_ATTR_INDEX])
5375 config->ema = nla_get_flag(tb[NL80211_MBSSID_CONFIG_ATTR_EMA]);
5377 if (!wiphy->ema_max_profile_periodicity)
5380 if (num_elems > wiphy->ema_max_profile_periodicity)
5384 config->index = nla_get_u8(tb[NL80211_MBSSID_CONFIG_ATTR_INDEX]);
5385 if (config->index >= wiphy->mbssid_max_interfaces ||
5386 (!config->index && !num_elems))
5389 if (tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]) {
5391 nla_get_u32(tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]);
5393 if ((!config->index && tx_ifindex != dev->ifindex) ||
5394 (config->index && tx_ifindex == dev->ifindex))
5397 if (tx_ifindex != dev->ifindex) {
5398 struct net_device *tx_netdev =
5399 dev_get_by_index(wiphy_net(wiphy), tx_ifindex);
5401 if (!tx_netdev || !tx_netdev->ieee80211_ptr ||
5402 tx_netdev->ieee80211_ptr->wiphy != wiphy ||
5403 tx_netdev->ieee80211_ptr->iftype !=
5404 NL80211_IFTYPE_AP) {
5409 config->tx_wdev = tx_netdev->ieee80211_ptr;
5411 config->tx_wdev = dev->ieee80211_ptr;
5413 } else if (!config->index) {
5414 config->tx_wdev = dev->ieee80211_ptr;
5422 static struct cfg80211_mbssid_elems *
5423 nl80211_parse_mbssid_elems(struct wiphy *wiphy, struct nlattr *attrs)
5425 struct nlattr *nl_elems;
5426 struct cfg80211_mbssid_elems *elems;
5428 u8 i = 0, num_elems = 0;
5430 if (!wiphy->mbssid_max_interfaces)
5431 return ERR_PTR(-EINVAL);
5433 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5434 if (num_elems >= 255)
5435 return ERR_PTR(-EINVAL);
5439 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5441 return ERR_PTR(-ENOMEM);
5442 elems->cnt = num_elems;
5444 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5445 elems->elem[i].data = nla_data(nl_elems);
5446 elems->elem[i].len = nla_len(nl_elems);
5452 static struct cfg80211_rnr_elems *
5453 nl80211_parse_rnr_elems(struct wiphy *wiphy, struct nlattr *attrs,
5454 struct netlink_ext_ack *extack)
5456 struct nlattr *nl_elems;
5457 struct cfg80211_rnr_elems *elems;
5459 u8 i = 0, num_elems = 0;
5461 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5464 ret = validate_ie_attr(nl_elems, extack);
5466 return ERR_PTR(ret);
5471 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5473 return ERR_PTR(-ENOMEM);
5474 elems->cnt = num_elems;
5476 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5477 elems->elem[i].data = nla_data(nl_elems);
5478 elems->elem[i].len = nla_len(nl_elems);
5484 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5485 struct cfg80211_he_bss_color *he_bss_color)
5487 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5490 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5491 he_bss_color_policy, NULL);
5495 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5498 he_bss_color->color =
5499 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5500 he_bss_color->enabled =
5501 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5502 he_bss_color->partial =
5503 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5508 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
5509 struct nlattr *attrs[],
5510 struct cfg80211_beacon_data *bcn,
5511 struct netlink_ext_ack *extack)
5513 bool haveinfo = false;
5516 memset(bcn, 0, sizeof(*bcn));
5518 bcn->link_id = nl80211_link_id(attrs);
5520 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
5521 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
5522 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
5528 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
5529 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
5530 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
5537 if (attrs[NL80211_ATTR_IE]) {
5538 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
5539 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
5542 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
5543 bcn->proberesp_ies =
5544 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5545 bcn->proberesp_ies_len =
5546 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5549 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
5550 bcn->assocresp_ies =
5551 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5552 bcn->assocresp_ies_len =
5553 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5556 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5557 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5558 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
5561 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5562 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5564 err = nla_parse_nested_deprecated(tb,
5565 NL80211_FTM_RESP_ATTR_MAX,
5566 attrs[NL80211_ATTR_FTM_RESPONDER],
5571 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5572 wiphy_ext_feature_isset(&rdev->wiphy,
5573 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5574 bcn->ftm_responder = 1;
5578 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5579 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5580 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5583 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5584 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5585 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5588 bcn->ftm_responder = -1;
5591 if (attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5592 err = nl80211_parse_he_bss_color(attrs[NL80211_ATTR_HE_BSS_COLOR],
5593 &bcn->he_bss_color);
5596 bcn->he_bss_color_valid = true;
5599 if (attrs[NL80211_ATTR_MBSSID_ELEMS]) {
5600 struct cfg80211_mbssid_elems *mbssid =
5601 nl80211_parse_mbssid_elems(&rdev->wiphy,
5602 attrs[NL80211_ATTR_MBSSID_ELEMS]);
5605 return PTR_ERR(mbssid);
5607 bcn->mbssid_ies = mbssid;
5609 if (bcn->mbssid_ies && attrs[NL80211_ATTR_EMA_RNR_ELEMS]) {
5610 struct cfg80211_rnr_elems *rnr =
5611 nl80211_parse_rnr_elems(&rdev->wiphy,
5612 attrs[NL80211_ATTR_EMA_RNR_ELEMS],
5616 return PTR_ERR(rnr);
5618 if (rnr && rnr->cnt < bcn->mbssid_ies->cnt)
5628 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5629 struct ieee80211_he_obss_pd *he_obss_pd)
5631 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5634 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5635 he_obss_pd_policy, NULL);
5639 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5642 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5644 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5645 he_obss_pd->min_offset =
5646 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5647 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5648 he_obss_pd->max_offset =
5649 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
5650 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5651 he_obss_pd->non_srg_max_offset =
5652 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
5654 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
5657 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5658 memcpy(he_obss_pd->bss_color_bitmap,
5659 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5660 sizeof(he_obss_pd->bss_color_bitmap));
5662 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5663 memcpy(he_obss_pd->partial_bssid_bitmap,
5664 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5665 sizeof(he_obss_pd->partial_bssid_bitmap));
5667 he_obss_pd->enable = true;
5672 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5673 struct nlattr *attrs,
5674 struct cfg80211_ap_settings *params)
5676 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5678 struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery;
5680 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5681 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5684 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5689 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5690 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5691 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5694 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5695 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5696 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5697 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5703 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5704 struct nlattr *attrs,
5705 struct cfg80211_ap_settings *params)
5707 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5709 struct cfg80211_unsol_bcast_probe_resp *presp =
5710 ¶ms->unsol_bcast_probe_resp;
5712 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5713 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5716 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5721 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5722 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5725 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5726 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5727 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5731 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5732 const struct element *rates)
5739 for (i = 0; i < rates->datalen; i++) {
5740 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5741 params->ht_required = true;
5742 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5743 params->vht_required = true;
5744 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5745 params->he_required = true;
5746 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5747 params->sae_h2e_required = true;
5752 * Since the nl80211 API didn't include, from the beginning, attributes about
5753 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5754 * benefit of drivers that rebuild IEs in the firmware.
5756 static int nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5758 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5759 size_t ies_len = bcn->tail_len;
5760 const u8 *ies = bcn->tail;
5761 const struct element *rates;
5762 const struct element *cap;
5764 rates = cfg80211_find_elem(WLAN_EID_SUPP_RATES, ies, ies_len);
5765 nl80211_check_ap_rate_selectors(params, rates);
5767 rates = cfg80211_find_elem(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5768 nl80211_check_ap_rate_selectors(params, rates);
5770 cap = cfg80211_find_elem(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5771 if (cap && cap->datalen >= sizeof(*params->ht_cap))
5772 params->ht_cap = (void *)cap->data;
5773 cap = cfg80211_find_elem(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5774 if (cap && cap->datalen >= sizeof(*params->vht_cap))
5775 params->vht_cap = (void *)cap->data;
5776 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5777 if (cap && cap->datalen >= sizeof(*params->he_cap) + 1)
5778 params->he_cap = (void *)(cap->data + 1);
5779 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5780 if (cap && cap->datalen >= sizeof(*params->he_oper) + 1)
5781 params->he_oper = (void *)(cap->data + 1);
5782 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_CAPABILITY, ies, ies_len);
5786 params->eht_cap = (void *)(cap->data + 1);
5787 if (!ieee80211_eht_capa_size_ok((const u8 *)params->he_cap,
5788 (const u8 *)params->eht_cap,
5789 cap->datalen - 1, true))
5792 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_EHT_OPERATION, ies, ies_len);
5796 params->eht_oper = (void *)(cap->data + 1);
5797 if (!ieee80211_eht_oper_size_ok((const u8 *)params->eht_oper,
5804 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5805 struct cfg80211_ap_settings *params)
5807 struct wireless_dev *wdev;
5809 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5810 if (wdev->iftype != NL80211_IFTYPE_AP &&
5811 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5814 if (!wdev->u.ap.preset_chandef.chan)
5817 params->chandef = wdev->u.ap.preset_chandef;
5824 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5825 enum nl80211_auth_type auth_type,
5826 enum nl80211_commands cmd)
5828 if (auth_type > NL80211_AUTHTYPE_MAX)
5832 case NL80211_CMD_AUTHENTICATE:
5833 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5834 auth_type == NL80211_AUTHTYPE_SAE)
5836 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5837 NL80211_EXT_FEATURE_FILS_STA) &&
5838 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5839 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5840 auth_type == NL80211_AUTHTYPE_FILS_PK))
5843 case NL80211_CMD_CONNECT:
5844 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5845 !wiphy_ext_feature_isset(&rdev->wiphy,
5846 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5847 auth_type == NL80211_AUTHTYPE_SAE)
5850 /* FILS with SK PFS or PK not supported yet */
5851 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5852 auth_type == NL80211_AUTHTYPE_FILS_PK)
5854 if (!wiphy_ext_feature_isset(
5856 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5857 auth_type == NL80211_AUTHTYPE_FILS_SK)
5860 case NL80211_CMD_START_AP:
5861 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5862 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5863 auth_type == NL80211_AUTHTYPE_SAE)
5865 /* FILS not supported yet */
5866 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5867 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5868 auth_type == NL80211_AUTHTYPE_FILS_PK)
5876 static void nl80211_send_ap_started(struct wireless_dev *wdev,
5877 unsigned int link_id)
5879 struct wiphy *wiphy = wdev->wiphy;
5880 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5881 struct sk_buff *msg;
5884 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5888 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_START_AP);
5892 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
5893 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
5894 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
5895 NL80211_ATTR_PAD) ||
5896 (wdev->u.ap.ssid_len &&
5897 nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
5898 wdev->u.ap.ssid)) ||
5899 (wdev->valid_links &&
5900 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)))
5903 genlmsg_end(msg, hdr);
5905 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
5906 NL80211_MCGRP_MLME, GFP_KERNEL);
5912 static int nl80211_validate_ap_phy_operation(struct cfg80211_ap_settings *params)
5914 struct ieee80211_channel *channel = params->chandef.chan;
5916 if ((params->he_cap || params->he_oper) &&
5917 (channel->flags & IEEE80211_CHAN_NO_HE))
5920 if ((params->eht_cap || params->eht_oper) &&
5921 (channel->flags & IEEE80211_CHAN_NO_EHT))
5927 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5929 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5930 unsigned int link_id = nl80211_link_id(info->attrs);
5931 struct net_device *dev = info->user_ptr[1];
5932 struct wireless_dev *wdev = dev->ieee80211_ptr;
5933 struct cfg80211_ap_settings *params;
5936 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5937 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5940 if (!rdev->ops->start_ap)
5943 if (wdev->links[link_id].ap.beacon_interval)
5946 /* these are required for START_AP */
5947 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5948 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5949 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5952 params = kzalloc(sizeof(*params), GFP_KERNEL);
5956 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms->beacon,
5961 params->beacon_interval =
5962 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5963 params->dtim_period =
5964 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5966 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5967 params->beacon_interval);
5972 * In theory, some of these attributes should be required here
5973 * but since they were not used when the command was originally
5974 * added, keep them optional for old user space programs to let
5975 * them continue to work with drivers that do not need the
5976 * additional information -- drivers must check!
5978 if (info->attrs[NL80211_ATTR_SSID]) {
5979 params->ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5981 nla_len(info->attrs[NL80211_ATTR_SSID]);
5982 if (params->ssid_len == 0) {
5987 if (wdev->u.ap.ssid_len &&
5988 (wdev->u.ap.ssid_len != params->ssid_len ||
5989 memcmp(wdev->u.ap.ssid, params->ssid, params->ssid_len))) {
5990 /* require identical SSID for MLO */
5994 } else if (wdev->valid_links) {
5995 /* require SSID for MLO */
6000 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
6001 params->hidden_ssid = nla_get_u32(
6002 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
6004 params->privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
6006 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
6007 params->auth_type = nla_get_u32(
6008 info->attrs[NL80211_ATTR_AUTH_TYPE]);
6009 if (!nl80211_valid_auth_type(rdev, params->auth_type,
6010 NL80211_CMD_START_AP)) {
6015 params->auth_type = NL80211_AUTHTYPE_AUTOMATIC;
6017 err = nl80211_crypto_settings(rdev, info, ¶ms->crypto,
6018 NL80211_MAX_NR_CIPHER_SUITES);
6022 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
6023 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) {
6027 params->inactivity_timeout = nla_get_u16(
6028 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
6031 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6032 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6036 params->p2p_ctwindow =
6037 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
6038 if (params->p2p_ctwindow != 0 &&
6039 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) {
6045 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6048 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6052 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
6053 params->p2p_opp_ps = tmp;
6054 if (params->p2p_opp_ps != 0 &&
6055 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) {
6061 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
6062 err = nl80211_parse_chandef(rdev, info, ¶ms->chandef);
6065 } else if (wdev->valid_links) {
6066 /* with MLD need to specify the channel configuration */
6069 } else if (wdev->u.ap.preset_chandef.chan) {
6070 params->chandef = wdev->u.ap.preset_chandef;
6071 } else if (!nl80211_get_ap_channel(rdev, params)) {
6076 if (info->attrs[NL80211_ATTR_PUNCT_BITMAP]) {
6077 err = nl80211_parse_punct_bitmap(rdev, info,
6079 ¶ms->punct_bitmap);
6084 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms->chandef,
6092 if (info->attrs[NL80211_ATTR_TX_RATES]) {
6093 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
6094 NL80211_ATTR_TX_RATES,
6095 ¶ms->beacon_rate,
6096 dev, false, link_id);
6100 err = validate_beacon_tx_rate(rdev, params->chandef.chan->band,
6101 ¶ms->beacon_rate);
6106 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
6108 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
6109 switch (params->smps_mode) {
6110 case NL80211_SMPS_OFF:
6112 case NL80211_SMPS_STATIC:
6113 if (!(rdev->wiphy.features &
6114 NL80211_FEATURE_STATIC_SMPS)) {
6119 case NL80211_SMPS_DYNAMIC:
6120 if (!(rdev->wiphy.features &
6121 NL80211_FEATURE_DYNAMIC_SMPS)) {
6131 params->smps_mode = NL80211_SMPS_OFF;
6134 params->pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
6135 if (params->pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
6140 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
6141 params->acl = parse_acl_data(&rdev->wiphy, info);
6142 if (IS_ERR(params->acl)) {
6143 err = PTR_ERR(params->acl);
6149 params->twt_responder =
6150 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
6152 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
6153 err = nl80211_parse_he_obss_pd(
6154 info->attrs[NL80211_ATTR_HE_OBSS_PD],
6155 ¶ms->he_obss_pd);
6160 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
6161 err = nl80211_parse_fils_discovery(rdev,
6162 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
6168 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
6169 err = nl80211_parse_unsol_bcast_probe_resp(
6170 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
6176 if (info->attrs[NL80211_ATTR_MBSSID_CONFIG]) {
6177 err = nl80211_parse_mbssid_config(&rdev->wiphy, dev,
6178 info->attrs[NL80211_ATTR_MBSSID_CONFIG],
6179 ¶ms->mbssid_config,
6180 params->beacon.mbssid_ies ?
6181 params->beacon.mbssid_ies->cnt :
6187 if (!params->mbssid_config.ema && params->beacon.rnr_ies) {
6192 err = nl80211_calculate_ap_params(params);
6196 err = nl80211_validate_ap_phy_operation(params);
6200 if (info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS])
6201 params->flags = nla_get_u32(
6202 info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS]);
6203 else if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
6204 params->flags |= NL80211_AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
6206 if (wdev->conn_owner_nlportid &&
6207 info->attrs[NL80211_ATTR_SOCKET_OWNER] &&
6208 wdev->conn_owner_nlportid != info->snd_portid) {
6213 /* FIXME: validate MLO/link-id against driver capabilities */
6215 err = rdev_start_ap(rdev, dev, params);
6217 wdev->links[link_id].ap.beacon_interval = params->beacon_interval;
6218 wdev->links[link_id].ap.chandef = params->chandef;
6219 wdev->u.ap.ssid_len = params->ssid_len;
6220 memcpy(wdev->u.ap.ssid, params->ssid,
6223 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
6224 wdev->conn_owner_nlportid = info->snd_portid;
6226 nl80211_send_ap_started(wdev, link_id);
6232 kfree(params->beacon.mbssid_ies);
6233 if (params->mbssid_config.tx_wdev &&
6234 params->mbssid_config.tx_wdev->netdev &&
6235 params->mbssid_config.tx_wdev->netdev != dev)
6236 dev_put(params->mbssid_config.tx_wdev->netdev);
6237 kfree(params->beacon.rnr_ies);
6243 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
6245 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6246 unsigned int link_id = nl80211_link_id(info->attrs);
6247 struct net_device *dev = info->user_ptr[1];
6248 struct wireless_dev *wdev = dev->ieee80211_ptr;
6249 struct cfg80211_beacon_data params;
6252 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6253 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6256 if (!rdev->ops->change_beacon)
6259 if (!wdev->links[link_id].ap.beacon_interval)
6262 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms, info->extack);
6267 err = rdev_change_beacon(rdev, dev, ¶ms);
6271 kfree(params.mbssid_ies);
6272 kfree(params.rnr_ies);
6276 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
6278 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6279 unsigned int link_id = nl80211_link_id(info->attrs);
6280 struct net_device *dev = info->user_ptr[1];
6282 return cfg80211_stop_ap(rdev, dev, link_id, false);
6285 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
6286 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
6287 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
6288 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
6289 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
6290 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
6291 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
6294 static int parse_station_flags(struct genl_info *info,
6295 enum nl80211_iftype iftype,
6296 struct station_parameters *params)
6298 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
6303 * Try parsing the new attribute first so userspace
6304 * can specify both for older kernels.
6306 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
6308 struct nl80211_sta_flag_update *sta_flags;
6310 sta_flags = nla_data(nla);
6311 params->sta_flags_mask = sta_flags->mask;
6312 params->sta_flags_set = sta_flags->set;
6313 params->sta_flags_set &= params->sta_flags_mask;
6314 if ((params->sta_flags_mask |
6315 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
6320 /* if present, parse the old attribute */
6322 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
6326 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
6330 * Only allow certain flags for interface types so that
6331 * other attributes are silently ignored. Remember that
6332 * this is backward compatibility code with old userspace
6333 * and shouldn't be hit in other cases anyway.
6336 case NL80211_IFTYPE_AP:
6337 case NL80211_IFTYPE_AP_VLAN:
6338 case NL80211_IFTYPE_P2P_GO:
6339 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6340 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6341 BIT(NL80211_STA_FLAG_WME) |
6342 BIT(NL80211_STA_FLAG_MFP);
6344 case NL80211_IFTYPE_P2P_CLIENT:
6345 case NL80211_IFTYPE_STATION:
6346 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
6347 BIT(NL80211_STA_FLAG_TDLS_PEER);
6349 case NL80211_IFTYPE_MESH_POINT:
6350 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6351 BIT(NL80211_STA_FLAG_MFP) |
6352 BIT(NL80211_STA_FLAG_AUTHORIZED);
6358 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
6360 params->sta_flags_set |= (1<<flag);
6362 /* no longer support new API additions in old API */
6363 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
6371 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
6373 struct nlattr *rate;
6376 enum nl80211_rate_info rate_flg;
6378 rate = nla_nest_start_noflag(msg, attr);
6382 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
6383 bitrate = cfg80211_calculate_bitrate(info);
6384 /* report 16-bit bitrate only if we can */
6385 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
6387 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
6389 if (bitrate_compat > 0 &&
6390 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
6394 case RATE_INFO_BW_1:
6395 rate_flg = NL80211_RATE_INFO_1_MHZ_WIDTH;
6397 case RATE_INFO_BW_2:
6398 rate_flg = NL80211_RATE_INFO_2_MHZ_WIDTH;
6400 case RATE_INFO_BW_4:
6401 rate_flg = NL80211_RATE_INFO_4_MHZ_WIDTH;
6403 case RATE_INFO_BW_5:
6404 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
6406 case RATE_INFO_BW_8:
6407 rate_flg = NL80211_RATE_INFO_8_MHZ_WIDTH;
6409 case RATE_INFO_BW_10:
6410 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
6412 case RATE_INFO_BW_16:
6413 rate_flg = NL80211_RATE_INFO_16_MHZ_WIDTH;
6418 case RATE_INFO_BW_20:
6421 case RATE_INFO_BW_40:
6422 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
6424 case RATE_INFO_BW_80:
6425 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
6427 case RATE_INFO_BW_160:
6428 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
6430 case RATE_INFO_BW_HE_RU:
6432 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
6434 case RATE_INFO_BW_320:
6435 rate_flg = NL80211_RATE_INFO_320_MHZ_WIDTH;
6437 case RATE_INFO_BW_EHT_RU:
6439 WARN_ON(!(info->flags & RATE_INFO_FLAGS_EHT_MCS));
6443 if (rate_flg && nla_put_flag(msg, rate_flg))
6446 if (info->flags & RATE_INFO_FLAGS_MCS) {
6447 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
6449 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6450 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6452 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
6453 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
6455 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
6457 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6458 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6460 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
6461 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
6463 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
6465 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
6467 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
6469 if (info->bw == RATE_INFO_BW_HE_RU &&
6470 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
6473 } else if (info->flags & RATE_INFO_FLAGS_S1G_MCS) {
6474 if (nla_put_u8(msg, NL80211_RATE_INFO_S1G_MCS, info->mcs))
6476 if (nla_put_u8(msg, NL80211_RATE_INFO_S1G_NSS, info->nss))
6478 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
6479 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
6481 } else if (info->flags & RATE_INFO_FLAGS_EHT_MCS) {
6482 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_MCS, info->mcs))
6484 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_NSS, info->nss))
6486 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_GI, info->eht_gi))
6488 if (info->bw == RATE_INFO_BW_EHT_RU &&
6489 nla_put_u8(msg, NL80211_RATE_INFO_EHT_RU_ALLOC,
6490 info->eht_ru_alloc))
6494 nla_nest_end(msg, rate);
6498 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
6507 attr = nla_nest_start_noflag(msg, id);
6511 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
6512 if (!(mask & BIT(i)))
6515 if (nla_put_u8(msg, i, signal[i]))
6519 nla_nest_end(msg, attr);
6524 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
6526 struct cfg80211_registered_device *rdev,
6527 struct net_device *dev,
6528 const u8 *mac_addr, struct station_info *sinfo)
6531 struct nlattr *sinfoattr, *bss_param;
6533 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
6535 cfg80211_sinfo_release_content(sinfo);
6539 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6540 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
6541 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
6542 goto nla_put_failure;
6544 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
6546 goto nla_put_failure;
6548 #define PUT_SINFO(attr, memb, type) do { \
6549 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
6550 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6551 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
6553 goto nla_put_failure; \
6555 #define PUT_SINFO_U64(attr, memb) do { \
6556 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6557 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
6558 sinfo->memb, NL80211_STA_INFO_PAD)) \
6559 goto nla_put_failure; \
6562 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
6563 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
6564 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
6566 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
6567 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
6568 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
6569 (u32)sinfo->rx_bytes))
6570 goto nla_put_failure;
6572 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
6573 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
6574 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
6575 (u32)sinfo->tx_bytes))
6576 goto nla_put_failure;
6578 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
6579 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
6580 PUT_SINFO(LLID, llid, u16);
6581 PUT_SINFO(PLID, plid, u16);
6582 PUT_SINFO(PLINK_STATE, plink_state, u8);
6583 PUT_SINFO_U64(RX_DURATION, rx_duration);
6584 PUT_SINFO_U64(TX_DURATION, tx_duration);
6586 if (wiphy_ext_feature_isset(&rdev->wiphy,
6587 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6588 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
6590 switch (rdev->wiphy.signal_type) {
6591 case CFG80211_SIGNAL_TYPE_MBM:
6592 PUT_SINFO(SIGNAL, signal, u8);
6593 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
6598 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
6599 if (!nl80211_put_signal(msg, sinfo->chains,
6600 sinfo->chain_signal,
6601 NL80211_STA_INFO_CHAIN_SIGNAL))
6602 goto nla_put_failure;
6604 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
6605 if (!nl80211_put_signal(msg, sinfo->chains,
6606 sinfo->chain_signal_avg,
6607 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
6608 goto nla_put_failure;
6610 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
6611 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
6612 NL80211_STA_INFO_TX_BITRATE))
6613 goto nla_put_failure;
6615 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
6616 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
6617 NL80211_STA_INFO_RX_BITRATE))
6618 goto nla_put_failure;
6621 PUT_SINFO(RX_PACKETS, rx_packets, u32);
6622 PUT_SINFO(TX_PACKETS, tx_packets, u32);
6623 PUT_SINFO(TX_RETRIES, tx_retries, u32);
6624 PUT_SINFO(TX_FAILED, tx_failed, u32);
6625 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
6626 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
6627 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
6628 PUT_SINFO(LOCAL_PM, local_pm, u32);
6629 PUT_SINFO(PEER_PM, peer_pm, u32);
6630 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
6631 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
6632 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
6634 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
6635 bss_param = nla_nest_start_noflag(msg,
6636 NL80211_STA_INFO_BSS_PARAM);
6638 goto nla_put_failure;
6640 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
6641 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
6642 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
6643 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
6644 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
6645 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
6646 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
6647 sinfo->bss_param.dtim_period) ||
6648 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
6649 sinfo->bss_param.beacon_interval))
6650 goto nla_put_failure;
6652 nla_nest_end(msg, bss_param);
6654 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
6655 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
6656 sizeof(struct nl80211_sta_flag_update),
6658 goto nla_put_failure;
6660 PUT_SINFO_U64(T_OFFSET, t_offset);
6661 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
6662 PUT_SINFO_U64(BEACON_RX, rx_beacon);
6663 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
6664 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
6665 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
6666 if (wiphy_ext_feature_isset(&rdev->wiphy,
6667 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
6668 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
6669 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
6673 #undef PUT_SINFO_U64
6675 if (sinfo->pertid) {
6676 struct nlattr *tidsattr;
6679 tidsattr = nla_nest_start_noflag(msg,
6680 NL80211_STA_INFO_TID_STATS);
6682 goto nla_put_failure;
6684 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
6685 struct cfg80211_tid_stats *tidstats;
6686 struct nlattr *tidattr;
6688 tidstats = &sinfo->pertid[tid];
6690 if (!tidstats->filled)
6693 tidattr = nla_nest_start_noflag(msg, tid + 1);
6695 goto nla_put_failure;
6697 #define PUT_TIDVAL_U64(attr, memb) do { \
6698 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
6699 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
6700 tidstats->memb, NL80211_TID_STATS_PAD)) \
6701 goto nla_put_failure; \
6704 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
6705 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
6706 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
6707 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6709 #undef PUT_TIDVAL_U64
6710 if ((tidstats->filled &
6711 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
6712 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
6713 NL80211_TID_STATS_TXQ_STATS))
6714 goto nla_put_failure;
6716 nla_nest_end(msg, tidattr);
6719 nla_nest_end(msg, tidsattr);
6722 nla_nest_end(msg, sinfoattr);
6724 if (sinfo->assoc_req_ies_len &&
6725 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
6726 sinfo->assoc_req_ies))
6727 goto nla_put_failure;
6729 if (sinfo->assoc_resp_ies_len &&
6730 nla_put(msg, NL80211_ATTR_RESP_IE, sinfo->assoc_resp_ies_len,
6731 sinfo->assoc_resp_ies))
6732 goto nla_put_failure;
6734 if (sinfo->mlo_params_valid) {
6735 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
6736 sinfo->assoc_link_id))
6737 goto nla_put_failure;
6739 if (!is_zero_ether_addr(sinfo->mld_addr) &&
6740 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
6742 goto nla_put_failure;
6745 cfg80211_sinfo_release_content(sinfo);
6746 genlmsg_end(msg, hdr);
6750 cfg80211_sinfo_release_content(sinfo);
6751 genlmsg_cancel(msg, hdr);
6755 static int nl80211_dump_station(struct sk_buff *skb,
6756 struct netlink_callback *cb)
6758 struct station_info sinfo;
6759 struct cfg80211_registered_device *rdev;
6760 struct wireless_dev *wdev;
6761 u8 mac_addr[ETH_ALEN];
6762 int sta_idx = cb->args[2];
6765 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
6768 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6769 __acquire(&rdev->wiphy.mtx);
6771 if (!wdev->netdev) {
6776 if (!rdev->ops->dump_station) {
6782 memset(&sinfo, 0, sizeof(sinfo));
6783 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
6790 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
6791 NETLINK_CB(cb->skb).portid,
6792 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6793 rdev, wdev->netdev, mac_addr,
6801 cb->args[2] = sta_idx;
6804 wiphy_unlock(&rdev->wiphy);
6809 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6811 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6812 struct net_device *dev = info->user_ptr[1];
6813 struct station_info sinfo;
6814 struct sk_buff *msg;
6815 u8 *mac_addr = NULL;
6818 memset(&sinfo, 0, sizeof(sinfo));
6820 if (!info->attrs[NL80211_ATTR_MAC])
6823 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6825 if (!rdev->ops->get_station)
6828 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
6832 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6834 cfg80211_sinfo_release_content(&sinfo);
6838 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6839 info->snd_portid, info->snd_seq, 0,
6840 rdev, dev, mac_addr, &sinfo) < 0) {
6845 return genlmsg_reply(msg, info);
6848 int cfg80211_check_station_change(struct wiphy *wiphy,
6849 struct station_parameters *params,
6850 enum cfg80211_station_type statype)
6852 if (params->listen_interval != -1 &&
6853 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6856 if (params->support_p2p_ps != -1 &&
6857 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6861 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6862 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6865 /* When you run into this, adjust the code below for the new flag */
6866 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6869 case CFG80211_STA_MESH_PEER_KERNEL:
6870 case CFG80211_STA_MESH_PEER_USER:
6872 * No ignoring the TDLS flag here -- the userspace mesh
6873 * code doesn't have the bug of including TDLS in the
6876 if (params->sta_flags_mask &
6877 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6878 BIT(NL80211_STA_FLAG_MFP) |
6879 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6882 case CFG80211_STA_TDLS_PEER_SETUP:
6883 case CFG80211_STA_TDLS_PEER_ACTIVE:
6884 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6886 /* ignore since it can't change */
6887 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6890 /* disallow mesh-specific things */
6891 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6893 if (params->local_pm)
6895 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6899 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6900 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6901 /* TDLS can't be set, ... */
6902 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6905 * ... but don't bother the driver with it. This works around
6906 * a hostapd/wpa_supplicant issue -- it always includes the
6907 * TLDS_PEER flag in the mask even for AP mode.
6909 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6912 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6913 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6914 /* reject other things that can't change */
6915 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6917 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6919 if (params->link_sta_params.supported_rates)
6921 if (params->ext_capab || params->link_sta_params.ht_capa ||
6922 params->link_sta_params.vht_capa ||
6923 params->link_sta_params.he_capa ||
6924 params->link_sta_params.eht_capa)
6928 if (statype != CFG80211_STA_AP_CLIENT &&
6929 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6935 case CFG80211_STA_AP_MLME_CLIENT:
6936 /* Use this only for authorizing/unauthorizing a station */
6937 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6940 case CFG80211_STA_AP_CLIENT:
6941 case CFG80211_STA_AP_CLIENT_UNASSOC:
6942 /* accept only the listed bits */
6943 if (params->sta_flags_mask &
6944 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6945 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6946 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6947 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6948 BIT(NL80211_STA_FLAG_WME) |
6949 BIT(NL80211_STA_FLAG_MFP)))
6952 /* but authenticated/associated only if driver handles it */
6953 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6954 params->sta_flags_mask &
6955 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6956 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6959 case CFG80211_STA_IBSS:
6960 case CFG80211_STA_AP_STA:
6961 /* reject any changes other than AUTHORIZED */
6962 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6965 case CFG80211_STA_TDLS_PEER_SETUP:
6966 /* reject any changes other than AUTHORIZED or WME */
6967 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6968 BIT(NL80211_STA_FLAG_WME)))
6970 /* force (at least) rates when authorizing */
6971 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6972 !params->link_sta_params.supported_rates)
6975 case CFG80211_STA_TDLS_PEER_ACTIVE:
6976 /* reject any changes */
6978 case CFG80211_STA_MESH_PEER_KERNEL:
6979 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6982 case CFG80211_STA_MESH_PEER_USER:
6983 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6984 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
6990 * Older kernel versions ignored this attribute entirely, so don't
6991 * reject attempts to update it but mark it as unused instead so the
6992 * driver won't look at the data.
6994 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6995 statype != CFG80211_STA_TDLS_PEER_SETUP)
6996 params->link_sta_params.opmode_notif_used = false;
7000 EXPORT_SYMBOL(cfg80211_check_station_change);
7003 * Get vlan interface making sure it is running and on the right wiphy.
7005 static struct net_device *get_vlan(struct genl_info *info,
7006 struct cfg80211_registered_device *rdev)
7008 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
7009 struct net_device *v;
7015 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
7017 return ERR_PTR(-ENODEV);
7019 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
7024 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
7025 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7026 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
7031 if (!netif_running(v)) {
7039 return ERR_PTR(ret);
7042 static int nl80211_parse_sta_wme(struct genl_info *info,
7043 struct station_parameters *params)
7045 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
7049 /* parse WME attributes if present */
7050 if (!info->attrs[NL80211_ATTR_STA_WME])
7053 nla = info->attrs[NL80211_ATTR_STA_WME];
7054 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
7055 nl80211_sta_wme_policy,
7060 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
7061 params->uapsd_queues = nla_get_u8(
7062 tb[NL80211_STA_WME_UAPSD_QUEUES]);
7063 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
7066 if (tb[NL80211_STA_WME_MAX_SP])
7067 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
7069 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
7072 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
7077 static int nl80211_parse_sta_channel_info(struct genl_info *info,
7078 struct station_parameters *params)
7080 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
7081 params->supported_channels =
7082 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
7083 params->supported_channels_len =
7084 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
7086 * Need to include at least one (first channel, number of
7087 * channels) tuple for each subband (checked in policy),
7088 * and must have proper tuples for the rest of the data as well.
7090 if (params->supported_channels_len % 2)
7094 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
7095 params->supported_oper_classes =
7096 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
7097 params->supported_oper_classes_len =
7098 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
7103 static int nl80211_set_station_tdls(struct genl_info *info,
7104 struct station_parameters *params)
7107 /* Dummy STA entry gets updated once the peer capabilities are known */
7108 if (info->attrs[NL80211_ATTR_PEER_AID])
7109 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
7110 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
7111 params->link_sta_params.ht_capa =
7112 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
7113 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
7114 params->link_sta_params.vht_capa =
7115 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
7116 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
7117 params->link_sta_params.he_capa =
7118 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7119 params->link_sta_params.he_capa_len =
7120 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7122 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
7123 params->link_sta_params.eht_capa =
7124 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7125 params->link_sta_params.eht_capa_len =
7126 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7128 if (!ieee80211_eht_capa_size_ok((const u8 *)params->link_sta_params.he_capa,
7129 (const u8 *)params->link_sta_params.eht_capa,
7130 params->link_sta_params.eht_capa_len,
7136 err = nl80211_parse_sta_channel_info(info, params);
7140 return nl80211_parse_sta_wme(info, params);
7143 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
7144 struct sta_txpwr *txpwr,
7147 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7150 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
7151 if (!rdev->ops->set_tx_power ||
7152 !wiphy_ext_feature_isset(&rdev->wiphy,
7153 NL80211_EXT_FEATURE_STA_TX_PWR))
7156 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
7157 txpwr->type = nla_get_u8(info->attrs[idx]);
7159 if (txpwr->type == NL80211_TX_POWER_LIMITED) {
7160 idx = NL80211_ATTR_STA_TX_POWER;
7162 if (info->attrs[idx])
7163 txpwr->power = nla_get_s16(info->attrs[idx]);
7176 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
7178 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7179 struct net_device *dev = info->user_ptr[1];
7180 struct station_parameters params;
7184 memset(¶ms, 0, sizeof(params));
7186 if (!rdev->ops->change_station)
7190 * AID and listen_interval properties can be set only for unassociated
7191 * station. Include these parameters here and will check them in
7192 * cfg80211_check_station_change().
7194 if (info->attrs[NL80211_ATTR_STA_AID])
7195 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
7197 if (info->attrs[NL80211_ATTR_VLAN_ID])
7198 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7200 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7201 params.listen_interval =
7202 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
7204 params.listen_interval = -1;
7206 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
7207 params.support_p2p_ps =
7208 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
7210 params.support_p2p_ps = -1;
7212 if (!info->attrs[NL80211_ATTR_MAC])
7215 params.link_sta_params.link_id =
7216 nl80211_link_id_or_invalid(info->attrs);
7218 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7219 /* If MLD_ADDR attribute is set then this is an MLD station
7220 * and the MLD_ADDR attribute holds the MLD address and the
7221 * MAC attribute holds for the LINK address.
7222 * In that case, the link_id is also expected to be valid.
7224 if (params.link_sta_params.link_id < 0)
7227 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7228 params.link_sta_params.mld_mac = mac_addr;
7229 params.link_sta_params.link_mac =
7230 nla_data(info->attrs[NL80211_ATTR_MAC]);
7231 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7234 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7238 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
7239 params.link_sta_params.supported_rates =
7240 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7241 params.link_sta_params.supported_rates_len =
7242 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7245 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7247 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7248 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7251 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7253 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7254 params.ext_capab_len =
7255 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7258 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
7261 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
7262 params.plink_action =
7263 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
7265 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
7266 params.plink_state =
7267 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
7268 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7269 params.peer_aid = nla_get_u16(
7270 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
7271 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
7274 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
7275 params.local_pm = nla_get_u32(
7276 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
7278 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
7279 params.link_sta_params.opmode_notif_used = true;
7280 params.link_sta_params.opmode_notif =
7281 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7284 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
7285 params.link_sta_params.he_6ghz_capa =
7286 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7288 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7289 params.airtime_weight =
7290 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7292 if (params.airtime_weight &&
7293 !wiphy_ext_feature_isset(&rdev->wiphy,
7294 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7297 err = nl80211_parse_sta_txpower_setting(info,
7298 ¶ms.link_sta_params.txpwr,
7299 ¶ms.link_sta_params.txpwr_set);
7303 /* Include parameters for TDLS peer (will check later) */
7304 err = nl80211_set_station_tdls(info, ¶ms);
7308 params.vlan = get_vlan(info, rdev);
7309 if (IS_ERR(params.vlan))
7310 return PTR_ERR(params.vlan);
7312 switch (dev->ieee80211_ptr->iftype) {
7313 case NL80211_IFTYPE_AP:
7314 case NL80211_IFTYPE_AP_VLAN:
7315 case NL80211_IFTYPE_P2P_GO:
7316 case NL80211_IFTYPE_P2P_CLIENT:
7317 case NL80211_IFTYPE_STATION:
7318 case NL80211_IFTYPE_ADHOC:
7319 case NL80211_IFTYPE_MESH_POINT:
7326 /* driver will call cfg80211_check_station_change() */
7327 wdev_lock(dev->ieee80211_ptr);
7328 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
7329 wdev_unlock(dev->ieee80211_ptr);
7332 dev_put(params.vlan);
7337 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
7339 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7341 struct net_device *dev = info->user_ptr[1];
7342 struct wireless_dev *wdev = dev->ieee80211_ptr;
7343 struct station_parameters params;
7344 u8 *mac_addr = NULL;
7345 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
7346 BIT(NL80211_STA_FLAG_ASSOCIATED);
7348 memset(¶ms, 0, sizeof(params));
7350 if (!rdev->ops->add_station)
7353 if (!info->attrs[NL80211_ATTR_MAC])
7356 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
7359 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
7362 if (!info->attrs[NL80211_ATTR_STA_AID] &&
7363 !info->attrs[NL80211_ATTR_PEER_AID])
7366 params.link_sta_params.link_id =
7367 nl80211_link_id_or_invalid(info->attrs);
7369 if (info->attrs[NL80211_ATTR_MLD_ADDR]) {
7370 mac_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
7371 params.link_sta_params.mld_mac = mac_addr;
7372 params.link_sta_params.link_mac =
7373 nla_data(info->attrs[NL80211_ATTR_MAC]);
7374 if (!is_valid_ether_addr(params.link_sta_params.link_mac))
7377 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
7380 params.link_sta_params.supported_rates =
7381 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7382 params.link_sta_params.supported_rates_len =
7383 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
7384 params.listen_interval =
7385 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
7387 if (info->attrs[NL80211_ATTR_VLAN_ID])
7388 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
7390 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
7391 params.support_p2p_ps =
7392 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
7395 * if not specified, assume it's supported for P2P GO interface,
7396 * and is NOT supported for AP interface
7398 params.support_p2p_ps =
7399 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
7402 if (info->attrs[NL80211_ATTR_PEER_AID])
7403 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
7405 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
7407 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
7409 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
7410 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
7413 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
7415 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7416 params.ext_capab_len =
7417 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
7420 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
7421 params.link_sta_params.ht_capa =
7422 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
7424 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
7425 params.link_sta_params.vht_capa =
7426 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
7428 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
7429 params.link_sta_params.he_capa =
7430 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7431 params.link_sta_params.he_capa_len =
7432 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
7434 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
7435 params.link_sta_params.eht_capa =
7436 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7437 params.link_sta_params.eht_capa_len =
7438 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
7440 if (!ieee80211_eht_capa_size_ok((const u8 *)params.link_sta_params.he_capa,
7441 (const u8 *)params.link_sta_params.eht_capa,
7442 params.link_sta_params.eht_capa_len,
7448 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
7449 params.link_sta_params.he_6ghz_capa =
7450 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
7452 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
7453 params.link_sta_params.opmode_notif_used = true;
7454 params.link_sta_params.opmode_notif =
7455 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
7458 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
7459 params.plink_action =
7460 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
7462 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
7463 params.airtime_weight =
7464 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
7466 if (params.airtime_weight &&
7467 !wiphy_ext_feature_isset(&rdev->wiphy,
7468 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
7471 err = nl80211_parse_sta_txpower_setting(info,
7472 ¶ms.link_sta_params.txpwr,
7473 ¶ms.link_sta_params.txpwr_set);
7477 err = nl80211_parse_sta_channel_info(info, ¶ms);
7481 err = nl80211_parse_sta_wme(info, ¶ms);
7485 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
7488 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
7489 * as userspace might just pass through the capabilities from the IEs
7490 * directly, rather than enforcing this restriction and returning an
7491 * error in this case.
7493 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
7494 params.link_sta_params.ht_capa = NULL;
7495 params.link_sta_params.vht_capa = NULL;
7497 /* HE and EHT require WME */
7498 if (params.link_sta_params.he_capa_len ||
7499 params.link_sta_params.he_6ghz_capa ||
7500 params.link_sta_params.eht_capa_len)
7504 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
7505 if (params.link_sta_params.he_6ghz_capa &&
7506 (params.link_sta_params.ht_capa || params.link_sta_params.vht_capa))
7509 /* When you run into this, adjust the code below for the new flag */
7510 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
7512 switch (dev->ieee80211_ptr->iftype) {
7513 case NL80211_IFTYPE_AP:
7514 case NL80211_IFTYPE_AP_VLAN:
7515 case NL80211_IFTYPE_P2P_GO:
7516 /* ignore WME attributes if iface/sta is not capable */
7517 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
7518 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
7519 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7521 /* TDLS peers cannot be added */
7522 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7523 info->attrs[NL80211_ATTR_PEER_AID])
7525 /* but don't bother the driver with it */
7526 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
7528 /* allow authenticated/associated only if driver handles it */
7529 if (!(rdev->wiphy.features &
7530 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
7531 params.sta_flags_mask & auth_assoc)
7534 /* Older userspace, or userspace wanting to be compatible with
7535 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
7536 * and assoc flags in the mask, but assumes the station will be
7537 * added as associated anyway since this was the required driver
7538 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
7540 * In order to not bother drivers with this quirk in the API
7541 * set the flags in both the mask and set for new stations in
7544 if (!(params.sta_flags_mask & auth_assoc)) {
7545 params.sta_flags_mask |= auth_assoc;
7546 params.sta_flags_set |= auth_assoc;
7549 /* must be last in here for error handling */
7550 params.vlan = get_vlan(info, rdev);
7551 if (IS_ERR(params.vlan))
7552 return PTR_ERR(params.vlan);
7554 case NL80211_IFTYPE_MESH_POINT:
7555 /* ignore uAPSD data */
7556 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7558 /* associated is disallowed */
7559 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
7561 /* TDLS peers cannot be added */
7562 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7563 info->attrs[NL80211_ATTR_PEER_AID])
7566 case NL80211_IFTYPE_STATION:
7567 case NL80211_IFTYPE_P2P_CLIENT:
7568 /* ignore uAPSD data */
7569 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7571 /* these are disallowed */
7572 if (params.sta_flags_mask &
7573 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
7574 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
7576 /* Only TDLS peers can be added */
7577 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
7579 /* Can only add if TDLS ... */
7580 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
7582 /* ... with external setup is supported */
7583 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
7586 * Older wpa_supplicant versions always mark the TDLS peer
7587 * as authorized, but it shouldn't yet be.
7589 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
7595 /* be aware of params.vlan when changing code here */
7597 wdev_lock(dev->ieee80211_ptr);
7598 if (wdev->valid_links) {
7599 if (params.link_sta_params.link_id < 0) {
7603 if (!(wdev->valid_links & BIT(params.link_sta_params.link_id))) {
7608 if (params.link_sta_params.link_id >= 0) {
7613 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
7615 wdev_unlock(dev->ieee80211_ptr);
7616 dev_put(params.vlan);
7620 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
7622 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7623 struct net_device *dev = info->user_ptr[1];
7624 struct station_del_parameters params;
7627 memset(¶ms, 0, sizeof(params));
7629 if (info->attrs[NL80211_ATTR_MAC])
7630 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
7632 switch (dev->ieee80211_ptr->iftype) {
7633 case NL80211_IFTYPE_AP:
7634 case NL80211_IFTYPE_AP_VLAN:
7635 case NL80211_IFTYPE_MESH_POINT:
7636 case NL80211_IFTYPE_P2P_GO:
7637 /* always accept these */
7639 case NL80211_IFTYPE_ADHOC:
7640 /* conditionally accept */
7641 if (wiphy_ext_feature_isset(&rdev->wiphy,
7642 NL80211_EXT_FEATURE_DEL_IBSS_STA))
7649 if (!rdev->ops->del_station)
7652 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
7654 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
7655 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
7656 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
7659 /* Default to Deauthentication frame */
7660 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
7663 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
7664 params.reason_code =
7665 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7666 if (params.reason_code == 0)
7667 return -EINVAL; /* 0 is reserved */
7669 /* Default to reason code 2 */
7670 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
7673 wdev_lock(dev->ieee80211_ptr);
7674 ret = rdev_del_station(rdev, dev, ¶ms);
7675 wdev_unlock(dev->ieee80211_ptr);
7680 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
7681 int flags, struct net_device *dev,
7682 u8 *dst, u8 *next_hop,
7683 struct mpath_info *pinfo)
7686 struct nlattr *pinfoattr;
7688 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
7692 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7693 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7694 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
7695 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
7696 goto nla_put_failure;
7698 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
7700 goto nla_put_failure;
7701 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
7702 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
7704 goto nla_put_failure;
7705 if (((pinfo->filled & MPATH_INFO_SN) &&
7706 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
7707 ((pinfo->filled & MPATH_INFO_METRIC) &&
7708 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
7710 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
7711 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
7713 ((pinfo->filled & MPATH_INFO_FLAGS) &&
7714 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
7716 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
7717 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
7718 pinfo->discovery_timeout)) ||
7719 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
7720 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
7721 pinfo->discovery_retries)) ||
7722 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
7723 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
7724 pinfo->hop_count)) ||
7725 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
7726 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
7727 pinfo->path_change_count)))
7728 goto nla_put_failure;
7730 nla_nest_end(msg, pinfoattr);
7732 genlmsg_end(msg, hdr);
7736 genlmsg_cancel(msg, hdr);
7740 static int nl80211_dump_mpath(struct sk_buff *skb,
7741 struct netlink_callback *cb)
7743 struct mpath_info pinfo;
7744 struct cfg80211_registered_device *rdev;
7745 struct wireless_dev *wdev;
7747 u8 next_hop[ETH_ALEN];
7748 int path_idx = cb->args[2];
7751 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7754 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7755 __acquire(&rdev->wiphy.mtx);
7757 if (!rdev->ops->dump_mpath) {
7762 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7768 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
7775 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7776 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7777 wdev->netdev, dst, next_hop,
7785 cb->args[2] = path_idx;
7788 wiphy_unlock(&rdev->wiphy);
7792 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
7794 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7796 struct net_device *dev = info->user_ptr[1];
7797 struct mpath_info pinfo;
7798 struct sk_buff *msg;
7800 u8 next_hop[ETH_ALEN];
7802 memset(&pinfo, 0, sizeof(pinfo));
7804 if (!info->attrs[NL80211_ATTR_MAC])
7807 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7809 if (!rdev->ops->get_mpath)
7812 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7815 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
7819 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7823 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7824 dev, dst, next_hop, &pinfo) < 0) {
7829 return genlmsg_reply(msg, info);
7832 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
7834 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7835 struct net_device *dev = info->user_ptr[1];
7837 u8 *next_hop = NULL;
7839 if (!info->attrs[NL80211_ATTR_MAC])
7842 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7845 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7846 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7848 if (!rdev->ops->change_mpath)
7851 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7854 return rdev_change_mpath(rdev, dev, dst, next_hop);
7857 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
7859 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7860 struct net_device *dev = info->user_ptr[1];
7862 u8 *next_hop = NULL;
7864 if (!info->attrs[NL80211_ATTR_MAC])
7867 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7870 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7871 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7873 if (!rdev->ops->add_mpath)
7876 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7879 return rdev_add_mpath(rdev, dev, dst, next_hop);
7882 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7884 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7885 struct net_device *dev = info->user_ptr[1];
7888 if (info->attrs[NL80211_ATTR_MAC])
7889 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7891 if (!rdev->ops->del_mpath)
7894 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7897 return rdev_del_mpath(rdev, dev, dst);
7900 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7902 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7904 struct net_device *dev = info->user_ptr[1];
7905 struct mpath_info pinfo;
7906 struct sk_buff *msg;
7910 memset(&pinfo, 0, sizeof(pinfo));
7912 if (!info->attrs[NL80211_ATTR_MAC])
7915 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7917 if (!rdev->ops->get_mpp)
7920 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7923 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7927 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7931 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7932 dev, dst, mpp, &pinfo) < 0) {
7937 return genlmsg_reply(msg, info);
7940 static int nl80211_dump_mpp(struct sk_buff *skb,
7941 struct netlink_callback *cb)
7943 struct mpath_info pinfo;
7944 struct cfg80211_registered_device *rdev;
7945 struct wireless_dev *wdev;
7948 int path_idx = cb->args[2];
7951 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7954 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7955 __acquire(&rdev->wiphy.mtx);
7957 if (!rdev->ops->dump_mpp) {
7962 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7968 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7975 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7976 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7977 wdev->netdev, dst, mpp,
7985 cb->args[2] = path_idx;
7988 wiphy_unlock(&rdev->wiphy);
7992 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7994 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7995 struct net_device *dev = info->user_ptr[1];
7996 struct wireless_dev *wdev = dev->ieee80211_ptr;
7997 struct bss_parameters params;
8000 memset(¶ms, 0, sizeof(params));
8001 params.link_id = nl80211_link_id_or_invalid(info->attrs);
8002 /* default to not changing parameters */
8003 params.use_cts_prot = -1;
8004 params.use_short_preamble = -1;
8005 params.use_short_slot_time = -1;
8006 params.ap_isolate = -1;
8007 params.ht_opmode = -1;
8008 params.p2p_ctwindow = -1;
8009 params.p2p_opp_ps = -1;
8011 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
8012 params.use_cts_prot =
8013 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
8014 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
8015 params.use_short_preamble =
8016 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
8017 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
8018 params.use_short_slot_time =
8019 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
8020 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
8021 params.basic_rates =
8022 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8023 params.basic_rates_len =
8024 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8026 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
8027 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
8028 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
8030 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
8032 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
8033 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
8035 params.p2p_ctwindow =
8036 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
8037 if (params.p2p_ctwindow != 0 &&
8038 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
8042 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
8045 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
8047 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
8048 params.p2p_opp_ps = tmp;
8049 if (params.p2p_opp_ps &&
8050 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
8054 if (!rdev->ops->change_bss)
8057 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
8058 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
8062 err = rdev_change_bss(rdev, dev, ¶ms);
8068 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
8072 enum nl80211_user_reg_hint_type user_reg_hint_type;
8076 * You should only get this when cfg80211 hasn't yet initialized
8077 * completely when built-in to the kernel right between the time
8078 * window between nl80211_init() and regulatory_init(), if that is
8081 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
8082 return -EINPROGRESS;
8084 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
8085 user_reg_hint_type =
8086 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
8088 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
8090 switch (user_reg_hint_type) {
8091 case NL80211_USER_REG_HINT_USER:
8092 case NL80211_USER_REG_HINT_CELL_BASE:
8093 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8096 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8097 return regulatory_hint_user(data, user_reg_hint_type);
8098 case NL80211_USER_REG_HINT_INDOOR:
8099 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
8100 owner_nlportid = info->snd_portid;
8101 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
8107 return regulatory_hint_indoor(is_indoor, owner_nlportid);
8113 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
8115 return reg_reload_regdb();
8118 static int nl80211_get_mesh_config(struct sk_buff *skb,
8119 struct genl_info *info)
8121 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8122 struct net_device *dev = info->user_ptr[1];
8123 struct wireless_dev *wdev = dev->ieee80211_ptr;
8124 struct mesh_config cur_params;
8127 struct nlattr *pinfoattr;
8128 struct sk_buff *msg;
8130 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8133 if (!rdev->ops->get_mesh_config)
8137 /* If not connected, get default parameters */
8138 if (!wdev->u.mesh.id_len)
8139 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
8141 err = rdev_get_mesh_config(rdev, dev, &cur_params);
8147 /* Draw up a netlink message to send back */
8148 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8151 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8152 NL80211_CMD_GET_MESH_CONFIG);
8155 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
8157 goto nla_put_failure;
8158 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
8159 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
8160 cur_params.dot11MeshRetryTimeout) ||
8161 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
8162 cur_params.dot11MeshConfirmTimeout) ||
8163 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
8164 cur_params.dot11MeshHoldingTimeout) ||
8165 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8166 cur_params.dot11MeshMaxPeerLinks) ||
8167 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
8168 cur_params.dot11MeshMaxRetries) ||
8169 nla_put_u8(msg, NL80211_MESHCONF_TTL,
8170 cur_params.dot11MeshTTL) ||
8171 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
8172 cur_params.element_ttl) ||
8173 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8174 cur_params.auto_open_plinks) ||
8175 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
8176 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
8177 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8178 cur_params.dot11MeshHWMPmaxPREQretries) ||
8179 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
8180 cur_params.path_refresh_time) ||
8181 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8182 cur_params.min_discovery_timeout) ||
8183 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
8184 cur_params.dot11MeshHWMPactivePathTimeout) ||
8185 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
8186 cur_params.dot11MeshHWMPpreqMinInterval) ||
8187 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
8188 cur_params.dot11MeshHWMPperrMinInterval) ||
8189 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
8190 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
8191 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
8192 cur_params.dot11MeshHWMPRootMode) ||
8193 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8194 cur_params.dot11MeshHWMPRannInterval) ||
8195 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
8196 cur_params.dot11MeshGateAnnouncementProtocol) ||
8197 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
8198 cur_params.dot11MeshForwarding) ||
8199 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
8200 cur_params.rssi_threshold) ||
8201 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
8202 cur_params.ht_opmode) ||
8203 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8204 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
8205 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
8206 cur_params.dot11MeshHWMProotInterval) ||
8207 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
8208 cur_params.dot11MeshHWMPconfirmationInterval) ||
8209 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
8210 cur_params.power_mode) ||
8211 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8212 cur_params.dot11MeshAwakeWindowDuration) ||
8213 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
8214 cur_params.plink_timeout) ||
8215 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
8216 cur_params.dot11MeshConnectedToMeshGate) ||
8217 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
8218 cur_params.dot11MeshNolearn) ||
8219 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
8220 cur_params.dot11MeshConnectedToAuthServer))
8221 goto nla_put_failure;
8222 nla_nest_end(msg, pinfoattr);
8223 genlmsg_end(msg, hdr);
8224 return genlmsg_reply(msg, info);
8232 static const struct nla_policy
8233 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
8234 [NL80211_MESHCONF_RETRY_TIMEOUT] =
8235 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8236 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
8237 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8238 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
8239 NLA_POLICY_RANGE(NLA_U16, 1, 255),
8240 [NL80211_MESHCONF_MAX_PEER_LINKS] =
8241 NLA_POLICY_RANGE(NLA_U16, 0, 255),
8242 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
8243 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8244 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
8245 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
8246 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
8247 NLA_POLICY_RANGE(NLA_U32, 1, 255),
8248 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
8249 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
8250 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
8251 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
8252 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
8253 NLA_POLICY_MIN(NLA_U16, 1),
8254 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
8255 NLA_POLICY_MIN(NLA_U16, 1),
8256 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
8257 NLA_POLICY_MIN(NLA_U16, 1),
8258 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
8259 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
8260 NLA_POLICY_MIN(NLA_U16, 1),
8261 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
8262 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
8263 [NL80211_MESHCONF_RSSI_THRESHOLD] =
8264 NLA_POLICY_RANGE(NLA_S32, -255, 0),
8265 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
8266 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
8267 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
8268 NLA_POLICY_MIN(NLA_U16, 1),
8269 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
8270 NLA_POLICY_MIN(NLA_U16, 1),
8271 [NL80211_MESHCONF_POWER_MODE] =
8272 NLA_POLICY_RANGE(NLA_U32,
8273 NL80211_MESH_POWER_ACTIVE,
8274 NL80211_MESH_POWER_MAX),
8275 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8276 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
8277 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8278 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8279 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
8282 static const struct nla_policy
8283 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
8284 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
8285 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
8286 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
8287 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
8288 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
8289 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
8290 [NL80211_MESH_SETUP_IE] =
8291 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
8292 IEEE80211_MAX_DATA_LEN),
8293 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
8296 static int nl80211_parse_mesh_config(struct genl_info *info,
8297 struct mesh_config *cfg,
8300 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
8304 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
8307 cfg->param = fn(tb[attr]); \
8308 mask |= BIT((attr) - 1); \
8312 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
8314 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
8317 /* This makes sure that there aren't more than 32 mesh config
8318 * parameters (otherwise our bitfield scheme would not work.) */
8319 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
8321 /* Fill in the params struct */
8322 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
8323 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
8324 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
8325 NL80211_MESHCONF_CONFIRM_TIMEOUT,
8327 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
8328 NL80211_MESHCONF_HOLDING_TIMEOUT,
8330 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
8331 NL80211_MESHCONF_MAX_PEER_LINKS,
8333 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
8334 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
8335 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
8336 NL80211_MESHCONF_TTL, nla_get_u8);
8337 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
8338 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
8339 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
8340 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8342 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
8344 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
8346 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
8347 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
8349 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
8350 NL80211_MESHCONF_PATH_REFRESH_TIME,
8352 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
8353 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
8355 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
8356 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
8358 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
8360 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
8362 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
8363 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
8364 cfg->dot11MeshHWMPactivePathTimeout > 65535))
8366 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
8367 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
8369 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
8370 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
8372 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
8373 dot11MeshHWMPnetDiameterTraversalTime, mask,
8374 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
8376 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
8377 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
8378 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
8379 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
8381 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
8382 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
8384 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
8385 NL80211_MESHCONF_FORWARDING, nla_get_u8);
8386 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
8387 NL80211_MESHCONF_RSSI_THRESHOLD,
8389 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
8390 NL80211_MESHCONF_CONNECTED_TO_GATE,
8392 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
8393 NL80211_MESHCONF_CONNECTED_TO_AS,
8396 * Check HT operation mode based on
8397 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
8399 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
8400 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
8402 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
8403 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
8404 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
8407 /* NON_HT_STA bit is reserved, but some programs set it */
8408 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
8410 cfg->ht_opmode = ht_opmode;
8411 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
8413 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
8414 dot11MeshHWMPactivePathToRootTimeout, mask,
8415 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
8417 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
8418 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
8419 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
8421 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
8422 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
8424 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
8426 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
8428 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
8429 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
8430 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
8431 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
8432 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
8433 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
8434 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
8435 NL80211_MESHCONF_NOLEARN, nla_get_u8);
8441 #undef FILL_IN_MESH_PARAM_IF_SET
8444 static int nl80211_parse_mesh_setup(struct genl_info *info,
8445 struct mesh_setup *setup)
8447 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8448 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
8450 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
8452 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
8455 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
8456 setup->sync_method =
8457 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
8458 IEEE80211_SYNC_METHOD_VENDOR :
8459 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
8461 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
8462 setup->path_sel_proto =
8463 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
8464 IEEE80211_PATH_PROTOCOL_VENDOR :
8465 IEEE80211_PATH_PROTOCOL_HWMP;
8467 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
8468 setup->path_metric =
8469 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
8470 IEEE80211_PATH_METRIC_VENDOR :
8471 IEEE80211_PATH_METRIC_AIRTIME;
8473 if (tb[NL80211_MESH_SETUP_IE]) {
8474 struct nlattr *ieattr =
8475 tb[NL80211_MESH_SETUP_IE];
8476 setup->ie = nla_data(ieattr);
8477 setup->ie_len = nla_len(ieattr);
8479 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
8480 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
8482 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
8483 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
8484 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
8485 if (setup->is_secure)
8486 setup->user_mpm = true;
8488 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
8489 if (!setup->user_mpm)
8492 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
8498 static int nl80211_update_mesh_config(struct sk_buff *skb,
8499 struct genl_info *info)
8501 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8502 struct net_device *dev = info->user_ptr[1];
8503 struct wireless_dev *wdev = dev->ieee80211_ptr;
8504 struct mesh_config cfg = {};
8508 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
8511 if (!rdev->ops->update_mesh_config)
8514 err = nl80211_parse_mesh_config(info, &cfg, &mask);
8519 if (!wdev->u.mesh.id_len)
8523 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
8530 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
8531 struct sk_buff *msg)
8533 struct nlattr *nl_reg_rules;
8536 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
8537 (regdom->dfs_region &&
8538 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
8539 goto nla_put_failure;
8541 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
8543 goto nla_put_failure;
8545 for (i = 0; i < regdom->n_reg_rules; i++) {
8546 struct nlattr *nl_reg_rule;
8547 const struct ieee80211_reg_rule *reg_rule;
8548 const struct ieee80211_freq_range *freq_range;
8549 const struct ieee80211_power_rule *power_rule;
8550 unsigned int max_bandwidth_khz;
8552 reg_rule = ®dom->reg_rules[i];
8553 freq_range = ®_rule->freq_range;
8554 power_rule = ®_rule->power_rule;
8556 nl_reg_rule = nla_nest_start_noflag(msg, i);
8558 goto nla_put_failure;
8560 max_bandwidth_khz = freq_range->max_bandwidth_khz;
8561 if (!max_bandwidth_khz)
8562 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
8565 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
8567 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
8568 freq_range->start_freq_khz) ||
8569 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
8570 freq_range->end_freq_khz) ||
8571 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
8572 max_bandwidth_khz) ||
8573 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
8574 power_rule->max_antenna_gain) ||
8575 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
8576 power_rule->max_eirp) ||
8577 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
8578 reg_rule->dfs_cac_ms))
8579 goto nla_put_failure;
8581 nla_nest_end(msg, nl_reg_rule);
8584 nla_nest_end(msg, nl_reg_rules);
8591 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
8593 const struct ieee80211_regdomain *regdom = NULL;
8594 struct cfg80211_registered_device *rdev;
8595 struct wiphy *wiphy = NULL;
8596 struct sk_buff *msg;
8597 int err = -EMSGSIZE;
8600 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8604 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8605 NL80211_CMD_GET_REG);
8611 if (info->attrs[NL80211_ATTR_WIPHY]) {
8614 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8616 err = PTR_ERR(rdev);
8617 goto nla_put_failure;
8620 wiphy = &rdev->wiphy;
8621 self_managed = wiphy->regulatory_flags &
8622 REGULATORY_WIPHY_SELF_MANAGED;
8626 regdom = get_wiphy_regdom(wiphy);
8628 /* a self-managed-reg device must have a private regdom */
8629 if (WARN_ON(!regdom && self_managed)) {
8631 goto nla_put_failure_rcu;
8635 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8636 goto nla_put_failure_rcu;
8641 if (!wiphy && reg_last_request_cell_base() &&
8642 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8643 NL80211_USER_REG_HINT_CELL_BASE))
8644 goto nla_put_failure_rcu;
8647 regdom = rcu_dereference(cfg80211_regdomain);
8649 if (nl80211_put_regdom(regdom, msg))
8650 goto nla_put_failure_rcu;
8654 genlmsg_end(msg, hdr);
8656 return genlmsg_reply(msg, info);
8658 nla_put_failure_rcu:
8667 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
8668 u32 seq, int flags, struct wiphy *wiphy,
8669 const struct ieee80211_regdomain *regdom)
8671 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8672 NL80211_CMD_GET_REG);
8677 genl_dump_check_consistent(cb, hdr);
8679 if (nl80211_put_regdom(regdom, msg))
8680 goto nla_put_failure;
8682 if (!wiphy && reg_last_request_cell_base() &&
8683 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8684 NL80211_USER_REG_HINT_CELL_BASE))
8685 goto nla_put_failure;
8688 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8689 goto nla_put_failure;
8691 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
8692 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
8693 goto nla_put_failure;
8695 genlmsg_end(msg, hdr);
8699 genlmsg_cancel(msg, hdr);
8703 static int nl80211_get_reg_dump(struct sk_buff *skb,
8704 struct netlink_callback *cb)
8706 const struct ieee80211_regdomain *regdom = NULL;
8707 struct cfg80211_registered_device *rdev;
8708 int err, reg_idx, start = cb->args[2];
8712 if (cfg80211_regdomain && start == 0) {
8713 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8715 rcu_dereference(cfg80211_regdomain));
8720 /* the global regdom is idx 0 */
8722 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
8723 regdom = get_wiphy_regdom(&rdev->wiphy);
8727 if (++reg_idx <= start)
8730 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8731 NLM_F_MULTI, &rdev->wiphy, regdom);
8738 cb->args[2] = reg_idx;
8745 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
8746 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
8747 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
8748 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
8749 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
8750 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
8751 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
8752 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
8753 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
8756 static int parse_reg_rule(struct nlattr *tb[],
8757 struct ieee80211_reg_rule *reg_rule)
8759 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
8760 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
8762 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
8764 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
8766 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
8768 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
8770 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
8773 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
8775 freq_range->start_freq_khz =
8776 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
8777 freq_range->end_freq_khz =
8778 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
8779 freq_range->max_bandwidth_khz =
8780 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
8782 power_rule->max_eirp =
8783 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
8785 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
8786 power_rule->max_antenna_gain =
8787 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
8789 if (tb[NL80211_ATTR_DFS_CAC_TIME])
8790 reg_rule->dfs_cac_ms =
8791 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
8796 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
8798 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
8799 struct nlattr *nl_reg_rule;
8801 int rem_reg_rules, r;
8802 u32 num_rules = 0, rule_idx = 0;
8803 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
8804 struct ieee80211_regdomain *rd;
8806 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8809 if (!info->attrs[NL80211_ATTR_REG_RULES])
8812 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8814 if (info->attrs[NL80211_ATTR_DFS_REGION])
8815 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
8817 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8820 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
8825 if (!reg_is_valid_request(alpha2)) {
8830 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
8836 rd->n_reg_rules = num_rules;
8837 rd->alpha2[0] = alpha2[0];
8838 rd->alpha2[1] = alpha2[1];
8841 * Disable DFS master mode if the DFS region was
8842 * not supported or known on this kernel.
8844 if (reg_supported_dfs_region(dfs_region))
8845 rd->dfs_region = dfs_region;
8847 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8849 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
8850 nl_reg_rule, reg_rule_policy,
8854 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
8860 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
8866 r = set_regdom(rd, REGD_SOURCE_CRDA);
8867 /* set_regdom takes ownership of rd */
8875 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
8877 static int validate_scan_freqs(struct nlattr *freqs)
8879 struct nlattr *attr1, *attr2;
8880 int n_channels = 0, tmp1, tmp2;
8882 nla_for_each_nested(attr1, freqs, tmp1)
8883 if (nla_len(attr1) != sizeof(u32))
8886 nla_for_each_nested(attr1, freqs, tmp1) {
8889 * Some hardware has a limited channel list for
8890 * scanning, and it is pretty much nonsensical
8891 * to scan for a channel twice, so disallow that
8892 * and don't require drivers to check that the
8893 * channel list they get isn't longer than what
8894 * they can scan, as long as they can scan all
8895 * the channels they registered at once.
8897 nla_for_each_nested(attr2, freqs, tmp2)
8898 if (attr1 != attr2 &&
8899 nla_get_u32(attr1) == nla_get_u32(attr2))
8906 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
8908 return b < NUM_NL80211_BANDS && wiphy->bands[b];
8911 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8912 struct cfg80211_bss_selection *bss_select)
8914 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8915 struct nlattr *nest;
8920 /* only process one nested attribute */
8921 nest = nla_data(nla);
8922 if (!nla_ok(nest, nla_len(nest)))
8925 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8926 nest, nl80211_bss_select_policy,
8931 /* only one attribute may be given */
8932 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8940 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8942 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8943 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8945 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8946 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8947 bss_select->param.band_pref =
8948 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8949 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8953 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8954 struct nl80211_bss_select_rssi_adjust *adj_param;
8956 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8957 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8958 bss_select->param.adjust.band = adj_param->band;
8959 bss_select->param.adjust.delta = adj_param->delta;
8960 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8964 /* user-space did not provide behaviour attribute */
8965 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8968 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8974 int nl80211_parse_random_mac(struct nlattr **attrs,
8975 u8 *mac_addr, u8 *mac_addr_mask)
8979 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
8980 eth_zero_addr(mac_addr);
8981 eth_zero_addr(mac_addr_mask);
8983 mac_addr_mask[0] = 0x3;
8988 /* need both or none */
8989 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8992 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8993 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8995 /* don't allow or configure an mcast address */
8996 if (!is_multicast_ether_addr(mac_addr_mask) ||
8997 is_multicast_ether_addr(mac_addr))
9001 * allow users to pass a MAC address that has bits set outside
9002 * of the mask, but don't bother drivers with having to deal
9005 for (i = 0; i < ETH_ALEN; i++)
9006 mac_addr[i] &= mac_addr_mask[i];
9011 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev,
9012 struct ieee80211_channel *chan)
9014 unsigned int link_id;
9017 ASSERT_WDEV_LOCK(wdev);
9019 if (!cfg80211_beaconing_iface_active(wdev))
9023 * FIXME: check if we have a free HW resource/link for chan
9025 * This, as well as the FIXME below, requires knowing the link
9026 * capabilities of the hardware.
9029 /* we cannot leave radar channels */
9030 for_each_valid_link(wdev, link_id) {
9031 struct cfg80211_chan_def *chandef;
9033 chandef = wdev_chandef(wdev, link_id);
9034 if (!chandef || !chandef->chan)
9038 * FIXME: don't require all_ok, but rather check only the
9039 * correct HW resource/link onto which 'chan' falls,
9040 * as only that link leaves the channel for doing
9041 * the off-channel operation.
9044 if (chandef->chan->flags & IEEE80211_CHAN_RADAR)
9051 return regulatory_pre_cac_allowed(wdev->wiphy);
9054 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
9055 enum nl80211_ext_feature_index feat)
9057 if (!(flags & flag))
9059 if (wiphy_ext_feature_isset(wiphy, feat))
9065 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
9066 void *request, struct nlattr **attrs,
9069 u8 *mac_addr, *mac_addr_mask;
9071 enum nl80211_feature_flags randomness_flag;
9073 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
9076 if (is_sched_scan) {
9077 struct cfg80211_sched_scan_request *req = request;
9079 randomness_flag = wdev ?
9080 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
9081 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
9082 flags = &req->flags;
9083 mac_addr = req->mac_addr;
9084 mac_addr_mask = req->mac_addr_mask;
9086 struct cfg80211_scan_request *req = request;
9088 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
9089 flags = &req->flags;
9090 mac_addr = req->mac_addr;
9091 mac_addr_mask = req->mac_addr_mask;
9094 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
9096 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
9097 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
9098 !nl80211_check_scan_feat(wiphy, *flags,
9099 NL80211_SCAN_FLAG_LOW_SPAN,
9100 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
9101 !nl80211_check_scan_feat(wiphy, *flags,
9102 NL80211_SCAN_FLAG_LOW_POWER,
9103 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
9104 !nl80211_check_scan_feat(wiphy, *flags,
9105 NL80211_SCAN_FLAG_HIGH_ACCURACY,
9106 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
9107 !nl80211_check_scan_feat(wiphy, *flags,
9108 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
9109 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
9110 !nl80211_check_scan_feat(wiphy, *flags,
9111 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
9112 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
9113 !nl80211_check_scan_feat(wiphy, *flags,
9114 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
9115 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
9116 !nl80211_check_scan_feat(wiphy, *flags,
9117 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
9118 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
9119 !nl80211_check_scan_feat(wiphy, *flags,
9120 NL80211_SCAN_FLAG_RANDOM_SN,
9121 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
9122 !nl80211_check_scan_feat(wiphy, *flags,
9123 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
9124 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
9127 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
9130 if (!(wiphy->features & randomness_flag) ||
9131 (wdev && wdev->connected))
9134 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
9142 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
9144 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9145 struct wireless_dev *wdev = info->user_ptr[1];
9146 struct cfg80211_scan_request *request;
9147 struct nlattr *scan_freqs = NULL;
9148 bool scan_freqs_khz = false;
9149 struct nlattr *attr;
9150 struct wiphy *wiphy;
9151 int err, tmp, n_ssids = 0, n_channels, i;
9152 size_t ie_len, size;
9154 wiphy = &rdev->wiphy;
9156 if (wdev->iftype == NL80211_IFTYPE_NAN)
9159 if (!rdev->ops->scan)
9162 if (rdev->scan_req || rdev->scan_msg)
9165 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
9166 if (!wiphy_ext_feature_isset(wiphy,
9167 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
9169 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
9170 scan_freqs_khz = true;
9171 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
9172 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
9175 n_channels = validate_scan_freqs(scan_freqs);
9179 n_channels = ieee80211_get_num_supported_channels(wiphy);
9182 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
9183 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
9186 if (n_ssids > wiphy->max_scan_ssids)
9189 if (info->attrs[NL80211_ATTR_IE])
9190 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9194 if (ie_len > wiphy->max_scan_ie_len)
9197 size = struct_size(request, channels, n_channels);
9198 size = size_add(size, array_size(sizeof(*request->ssids), n_ssids));
9199 size = size_add(size, ie_len);
9200 request = kzalloc(size, GFP_KERNEL);
9205 request->ssids = (void *)&request->channels[n_channels];
9206 request->n_ssids = n_ssids;
9209 request->ie = (void *)(request->ssids + n_ssids);
9211 request->ie = (void *)(request->channels + n_channels);
9216 /* user specified, bail out if channel not found */
9217 nla_for_each_nested(attr, scan_freqs, tmp) {
9218 struct ieee80211_channel *chan;
9219 int freq = nla_get_u32(attr);
9221 if (!scan_freqs_khz)
9222 freq = MHZ_TO_KHZ(freq);
9224 chan = ieee80211_get_channel_khz(wiphy, freq);
9230 /* ignore disabled channels */
9231 if (chan->flags & IEEE80211_CHAN_DISABLED)
9234 request->channels[i] = chan;
9238 enum nl80211_band band;
9241 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9244 if (!wiphy->bands[band])
9246 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9247 struct ieee80211_channel *chan;
9249 chan = &wiphy->bands[band]->channels[j];
9251 if (chan->flags & IEEE80211_CHAN_DISABLED)
9254 request->channels[i] = chan;
9265 request->n_channels = i;
9268 for (i = 0; i < request->n_channels; i++) {
9269 struct ieee80211_channel *chan = request->channels[i];
9271 /* if we can go off-channel to the target channel we're good */
9272 if (cfg80211_off_channel_oper_allowed(wdev, chan))
9275 if (!cfg80211_wdev_on_sub_chan(wdev, chan, true)) {
9285 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
9286 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
9290 request->ssids[i].ssid_len = nla_len(attr);
9291 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
9296 if (info->attrs[NL80211_ATTR_IE]) {
9297 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9298 memcpy((void *)request->ie,
9299 nla_data(info->attrs[NL80211_ATTR_IE]),
9303 for (i = 0; i < NUM_NL80211_BANDS; i++)
9304 if (wiphy->bands[i])
9306 (1 << wiphy->bands[i]->n_bitrates) - 1;
9308 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
9309 nla_for_each_nested(attr,
9310 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
9312 enum nl80211_band band = nla_type(attr);
9314 if (band < 0 || band >= NUM_NL80211_BANDS) {
9319 if (!wiphy->bands[band])
9322 err = ieee80211_get_ratemask(wiphy->bands[band],
9325 &request->rates[band]);
9331 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
9333 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
9334 request->duration_mandatory =
9335 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
9338 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
9344 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
9346 /* Initial implementation used NL80211_ATTR_MAC to set the specific
9347 * BSSID to scan for. This was problematic because that same attribute
9348 * was already used for another purpose (local random MAC address). The
9349 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
9350 * compatibility with older userspace components, also use the
9351 * NL80211_ATTR_MAC value here if it can be determined to be used for
9352 * the specific BSSID use case instead of the random MAC address
9353 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
9355 if (info->attrs[NL80211_ATTR_BSSID])
9356 memcpy(request->bssid,
9357 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
9358 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
9359 info->attrs[NL80211_ATTR_MAC])
9360 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
9363 eth_broadcast_addr(request->bssid);
9365 request->wdev = wdev;
9366 request->wiphy = &rdev->wiphy;
9367 request->scan_start = jiffies;
9369 rdev->scan_req = request;
9370 err = cfg80211_scan(rdev);
9375 nl80211_send_scan_start(rdev, wdev);
9376 dev_hold(wdev->netdev);
9381 rdev->scan_req = NULL;
9387 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
9389 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9390 struct wireless_dev *wdev = info->user_ptr[1];
9392 if (!rdev->ops->abort_scan)
9398 if (!rdev->scan_req)
9401 rdev_abort_scan(rdev, wdev);
9406 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
9407 struct cfg80211_sched_scan_request *request,
9408 struct nlattr **attrs)
9410 int tmp, err, i = 0;
9411 struct nlattr *attr;
9413 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9417 * If scan plans are not specified,
9418 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
9419 * case one scan plan will be set with the specified scan
9420 * interval and infinite number of iterations.
9422 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
9426 request->scan_plans[0].interval =
9427 DIV_ROUND_UP(interval, MSEC_PER_SEC);
9428 if (!request->scan_plans[0].interval)
9431 if (request->scan_plans[0].interval >
9432 wiphy->max_sched_scan_plan_interval)
9433 request->scan_plans[0].interval =
9434 wiphy->max_sched_scan_plan_interval;
9439 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
9440 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
9442 if (WARN_ON(i >= n_plans))
9445 err = nla_parse_nested_deprecated(plan,
9446 NL80211_SCHED_SCAN_PLAN_MAX,
9447 attr, nl80211_plan_policy,
9452 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
9455 request->scan_plans[i].interval =
9456 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
9457 if (!request->scan_plans[i].interval ||
9458 request->scan_plans[i].interval >
9459 wiphy->max_sched_scan_plan_interval)
9462 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
9463 request->scan_plans[i].iterations =
9464 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
9465 if (!request->scan_plans[i].iterations ||
9466 (request->scan_plans[i].iterations >
9467 wiphy->max_sched_scan_plan_iterations))
9469 } else if (i < n_plans - 1) {
9471 * All scan plans but the last one must specify
9472 * a finite number of iterations
9481 * The last scan plan must not specify the number of
9482 * iterations, it is supposed to run infinitely
9484 if (request->scan_plans[n_plans - 1].iterations)
9491 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
9492 struct cfg80211_match_set *match_sets,
9493 struct nlattr *tb_band_rssi,
9496 struct nlattr *attr;
9497 int i, tmp, ret = 0;
9499 if (!wiphy_ext_feature_isset(wiphy,
9500 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
9504 for (i = 0; i < NUM_NL80211_BANDS; i++)
9505 match_sets->per_band_rssi_thold[i] =
9506 NL80211_SCAN_RSSI_THOLD_OFF;
9510 for (i = 0; i < NUM_NL80211_BANDS; i++)
9511 match_sets->per_band_rssi_thold[i] = rssi_thold;
9513 nla_for_each_nested(attr, tb_band_rssi, tmp) {
9514 enum nl80211_band band = nla_type(attr);
9516 if (band < 0 || band >= NUM_NL80211_BANDS)
9519 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
9525 static struct cfg80211_sched_scan_request *
9526 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
9527 struct nlattr **attrs, int max_match_sets)
9529 struct cfg80211_sched_scan_request *request;
9530 struct nlattr *attr;
9531 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
9532 enum nl80211_band band;
9533 size_t ie_len, size;
9534 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
9535 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
9537 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
9538 n_channels = validate_scan_freqs(
9539 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
9541 return ERR_PTR(-EINVAL);
9543 n_channels = ieee80211_get_num_supported_channels(wiphy);
9546 if (attrs[NL80211_ATTR_SCAN_SSIDS])
9547 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
9551 if (n_ssids > wiphy->max_sched_scan_ssids)
9552 return ERR_PTR(-EINVAL);
9555 * First, count the number of 'real' matchsets. Due to an issue with
9556 * the old implementation, matchsets containing only the RSSI attribute
9557 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
9558 * RSSI for all matchsets, rather than their own matchset for reporting
9559 * all APs with a strong RSSI. This is needed to be compatible with
9560 * older userspace that treated a matchset with only the RSSI as the
9561 * global RSSI for all other matchsets - if there are other matchsets.
9563 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
9564 nla_for_each_nested(attr,
9565 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
9567 struct nlattr *rssi;
9569 err = nla_parse_nested_deprecated(tb,
9570 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9572 nl80211_match_policy,
9575 return ERR_PTR(err);
9577 /* SSID and BSSID are mutually exclusive */
9578 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
9579 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
9580 return ERR_PTR(-EINVAL);
9582 /* add other standalone attributes here */
9583 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
9584 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
9588 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9590 default_match_rssi = nla_get_s32(rssi);
9594 /* However, if there's no other matchset, add the RSSI one */
9595 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
9598 if (n_match_sets > max_match_sets)
9599 return ERR_PTR(-EINVAL);
9601 if (attrs[NL80211_ATTR_IE])
9602 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
9606 if (ie_len > wiphy->max_sched_scan_ie_len)
9607 return ERR_PTR(-EINVAL);
9609 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9611 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
9612 * each scan plan already specifies its own interval
9614 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9615 return ERR_PTR(-EINVAL);
9617 nla_for_each_nested(attr,
9618 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
9622 * The scan interval attribute is kept for backward
9623 * compatibility. If no scan plans are specified and sched scan
9624 * interval is specified, one scan plan will be set with this
9625 * scan interval and infinite number of iterations.
9627 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9628 return ERR_PTR(-EINVAL);
9633 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
9634 return ERR_PTR(-EINVAL);
9636 if (!wiphy_ext_feature_isset(
9637 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
9638 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
9639 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
9640 return ERR_PTR(-EINVAL);
9642 size = struct_size(request, channels, n_channels);
9643 size = size_add(size, array_size(sizeof(*request->ssids), n_ssids));
9644 size = size_add(size, array_size(sizeof(*request->match_sets),
9646 size = size_add(size, array_size(sizeof(*request->scan_plans),
9648 size = size_add(size, ie_len);
9649 request = kzalloc(size, GFP_KERNEL);
9651 return ERR_PTR(-ENOMEM);
9654 request->ssids = (void *)&request->channels[n_channels];
9655 request->n_ssids = n_ssids;
9658 request->ie = (void *)(request->ssids + n_ssids);
9660 request->ie = (void *)(request->channels + n_channels);
9665 request->match_sets = (void *)(request->ie + ie_len);
9667 request->match_sets =
9668 (void *)(request->ssids + n_ssids);
9670 request->match_sets =
9671 (void *)(request->channels + n_channels);
9673 request->n_match_sets = n_match_sets;
9676 request->scan_plans = (void *)(request->match_sets +
9678 else if (request->ie)
9679 request->scan_plans = (void *)(request->ie + ie_len);
9681 request->scan_plans = (void *)(request->ssids + n_ssids);
9683 request->scan_plans = (void *)(request->channels + n_channels);
9685 request->n_scan_plans = n_plans;
9688 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
9689 /* user specified, bail out if channel not found */
9690 nla_for_each_nested(attr,
9691 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
9693 struct ieee80211_channel *chan;
9695 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
9702 /* ignore disabled channels */
9703 if (chan->flags & IEEE80211_CHAN_DISABLED)
9706 request->channels[i] = chan;
9711 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9714 if (!wiphy->bands[band])
9716 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9717 struct ieee80211_channel *chan;
9719 chan = &wiphy->bands[band]->channels[j];
9721 if (chan->flags & IEEE80211_CHAN_DISABLED)
9724 request->channels[i] = chan;
9735 request->n_channels = i;
9739 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
9741 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
9745 request->ssids[i].ssid_len = nla_len(attr);
9746 memcpy(request->ssids[i].ssid, nla_data(attr),
9753 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
9754 nla_for_each_nested(attr,
9755 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
9757 struct nlattr *ssid, *bssid, *rssi;
9759 err = nla_parse_nested_deprecated(tb,
9760 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9762 nl80211_match_policy,
9766 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
9767 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
9769 if (!ssid && !bssid) {
9774 if (WARN_ON(i >= n_match_sets)) {
9775 /* this indicates a programming error,
9776 * the loop above should have verified
9784 memcpy(request->match_sets[i].ssid.ssid,
9785 nla_data(ssid), nla_len(ssid));
9786 request->match_sets[i].ssid.ssid_len =
9790 memcpy(request->match_sets[i].bssid,
9791 nla_data(bssid), ETH_ALEN);
9793 /* special attribute - old implementation w/a */
9794 request->match_sets[i].rssi_thold = default_match_rssi;
9795 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9797 request->match_sets[i].rssi_thold =
9800 /* Parse per band RSSI attribute */
9801 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
9802 &request->match_sets[i],
9803 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
9804 request->match_sets[i].rssi_thold);
9811 /* there was no other matchset, so the RSSI one is alone */
9812 if (i == 0 && n_match_sets)
9813 request->match_sets[0].rssi_thold = default_match_rssi;
9815 request->min_rssi_thold = INT_MAX;
9816 for (i = 0; i < n_match_sets; i++)
9817 request->min_rssi_thold =
9818 min(request->match_sets[i].rssi_thold,
9819 request->min_rssi_thold);
9821 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
9825 request->ie_len = ie_len;
9826 memcpy((void *)request->ie,
9827 nla_data(attrs[NL80211_ATTR_IE]),
9831 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
9835 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
9837 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
9839 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
9840 request->relative_rssi = nla_get_s8(
9841 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
9842 request->relative_rssi_set = true;
9845 if (request->relative_rssi_set &&
9846 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
9847 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
9849 rssi_adjust = nla_data(
9850 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
9851 request->rssi_adjust.band = rssi_adjust->band;
9852 request->rssi_adjust.delta = rssi_adjust->delta;
9853 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
9859 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
9863 request->scan_start = jiffies;
9869 return ERR_PTR(err);
9872 static int nl80211_start_sched_scan(struct sk_buff *skb,
9873 struct genl_info *info)
9875 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9876 struct net_device *dev = info->user_ptr[1];
9877 struct wireless_dev *wdev = dev->ieee80211_ptr;
9878 struct cfg80211_sched_scan_request *sched_scan_req;
9882 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
9885 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
9886 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
9890 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
9892 rdev->wiphy.max_match_sets);
9894 err = PTR_ERR_OR_ZERO(sched_scan_req);
9898 /* leave request id zero for legacy request
9899 * or if driver does not support multi-scheduled scan
9901 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
9902 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
9904 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
9908 sched_scan_req->dev = dev;
9909 sched_scan_req->wiphy = &rdev->wiphy;
9911 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9912 sched_scan_req->owner_nlportid = info->snd_portid;
9914 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
9916 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
9920 kfree(sched_scan_req);
9925 static int nl80211_stop_sched_scan(struct sk_buff *skb,
9926 struct genl_info *info)
9928 struct cfg80211_sched_scan_request *req;
9929 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9932 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
9935 if (info->attrs[NL80211_ATTR_COOKIE]) {
9936 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9937 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9940 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9941 struct cfg80211_sched_scan_request,
9943 if (!req || req->reqid ||
9944 (req->owner_nlportid &&
9945 req->owner_nlportid != info->snd_portid))
9948 return cfg80211_stop_sched_scan_req(rdev, req, false);
9951 static int nl80211_start_radar_detection(struct sk_buff *skb,
9952 struct genl_info *info)
9954 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9955 struct net_device *dev = info->user_ptr[1];
9956 struct wireless_dev *wdev = dev->ieee80211_ptr;
9957 struct wiphy *wiphy = wdev->wiphy;
9958 struct cfg80211_chan_def chandef;
9959 enum nl80211_dfs_regions dfs_region;
9960 unsigned int cac_time_ms;
9963 flush_delayed_work(&rdev->dfs_update_channels_wk);
9967 dfs_region = reg_get_dfs_region(wiphy);
9968 if (dfs_region == NL80211_DFS_UNSET)
9971 err = nl80211_parse_chandef(rdev, info, &chandef);
9975 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9984 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) {
9989 if (nla_get_flag(info->attrs[NL80211_ATTR_RADAR_BACKGROUND])) {
9990 err = cfg80211_start_background_radar_detection(rdev, wdev,
9995 if (netif_carrier_ok(dev)) {
10000 if (wdev->cac_started) {
10005 /* CAC start is offloaded to HW and can't be started manually */
10006 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) {
10011 if (!rdev->ops->start_radar_detection) {
10016 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
10017 if (WARN_ON(!cac_time_ms))
10018 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
10020 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
10022 wdev->links[0].ap.chandef = chandef;
10023 wdev->cac_started = true;
10024 wdev->cac_start_time = jiffies;
10025 wdev->cac_time_ms = cac_time_ms;
10028 wiphy_unlock(wiphy);
10033 static int nl80211_notify_radar_detection(struct sk_buff *skb,
10034 struct genl_info *info)
10036 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10037 struct net_device *dev = info->user_ptr[1];
10038 struct wireless_dev *wdev = dev->ieee80211_ptr;
10039 struct wiphy *wiphy = wdev->wiphy;
10040 struct cfg80211_chan_def chandef;
10041 enum nl80211_dfs_regions dfs_region;
10044 dfs_region = reg_get_dfs_region(wiphy);
10045 if (dfs_region == NL80211_DFS_UNSET) {
10046 GENL_SET_ERR_MSG(info,
10047 "DFS Region is not set. Unexpected Radar indication");
10051 err = nl80211_parse_chandef(rdev, info, &chandef);
10053 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
10057 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
10059 GENL_SET_ERR_MSG(info, "chandef is invalid");
10064 GENL_SET_ERR_MSG(info,
10065 "Unexpected Radar indication for chandef/iftype");
10069 /* Do not process this notification if radar is already detected
10070 * by kernel on this channel, and return success.
10072 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
10075 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
10077 cfg80211_sched_dfs_chan_update(rdev);
10079 rdev->radar_chandef = chandef;
10081 /* Propagate this notification to other radios as well */
10082 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
10087 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
10089 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10090 unsigned int link_id = nl80211_link_id(info->attrs);
10091 struct net_device *dev = info->user_ptr[1];
10092 struct wireless_dev *wdev = dev->ieee80211_ptr;
10093 struct cfg80211_csa_settings params;
10094 struct nlattr **csa_attrs = NULL;
10096 bool need_new_beacon = false;
10097 bool need_handle_dfs_flag = true;
10101 if (!rdev->ops->channel_switch ||
10102 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
10103 return -EOPNOTSUPP;
10105 switch (dev->ieee80211_ptr->iftype) {
10106 case NL80211_IFTYPE_AP:
10107 case NL80211_IFTYPE_P2P_GO:
10108 need_new_beacon = true;
10109 /* For all modes except AP the handle_dfs flag needs to be
10110 * supplied to tell the kernel that userspace will handle radar
10111 * events when they happen. Otherwise a switch to a channel
10112 * requiring DFS will be rejected.
10114 need_handle_dfs_flag = false;
10116 /* useless if AP is not running */
10117 if (!wdev->links[link_id].ap.beacon_interval)
10120 case NL80211_IFTYPE_ADHOC:
10121 if (!wdev->u.ibss.ssid_len)
10124 case NL80211_IFTYPE_MESH_POINT:
10125 if (!wdev->u.mesh.id_len)
10129 return -EOPNOTSUPP;
10132 memset(¶ms, 0, sizeof(params));
10133 params.beacon_csa.ftm_responder = -1;
10135 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10136 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
10139 /* only important for AP, IBSS and mesh create IEs internally */
10140 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
10143 /* Even though the attribute is u32, the specification says
10144 * u8, so let's make sure we don't overflow.
10146 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
10147 if (cs_count > 255)
10150 params.count = cs_count;
10152 if (!need_new_beacon)
10155 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after,
10160 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
10167 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
10168 info->attrs[NL80211_ATTR_CSA_IES],
10169 nl80211_policy, info->extack);
10173 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa,
10178 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
10183 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
10184 if (!len || (len % sizeof(u16))) {
10189 params.n_counter_offsets_beacon = len / sizeof(u16);
10190 if (rdev->wiphy.max_num_csa_counters &&
10191 (params.n_counter_offsets_beacon >
10192 rdev->wiphy.max_num_csa_counters)) {
10197 params.counter_offsets_beacon =
10198 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
10200 /* sanity checks - counters should fit and be the same */
10201 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
10202 u16 offset = params.counter_offsets_beacon[i];
10204 if (offset >= params.beacon_csa.tail_len) {
10209 if (params.beacon_csa.tail[offset] != params.count) {
10215 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
10216 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
10217 if (!len || (len % sizeof(u16))) {
10222 params.n_counter_offsets_presp = len / sizeof(u16);
10223 if (rdev->wiphy.max_num_csa_counters &&
10224 (params.n_counter_offsets_presp >
10225 rdev->wiphy.max_num_csa_counters)) {
10230 params.counter_offsets_presp =
10231 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
10233 /* sanity checks - counters should fit and be the same */
10234 for (i = 0; i < params.n_counter_offsets_presp; i++) {
10235 u16 offset = params.counter_offsets_presp[i];
10237 if (offset >= params.beacon_csa.probe_resp_len) {
10242 if (params.beacon_csa.probe_resp[offset] !=
10251 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
10255 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
10261 err = cfg80211_chandef_dfs_required(wdev->wiphy,
10268 params.radar_required = true;
10269 if (need_handle_dfs_flag &&
10270 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
10276 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
10277 params.block_tx = true;
10279 if (info->attrs[NL80211_ATTR_PUNCT_BITMAP]) {
10280 err = nl80211_parse_punct_bitmap(rdev, info,
10282 ¶ms.punct_bitmap);
10288 err = rdev_channel_switch(rdev, dev, ¶ms);
10292 kfree(params.beacon_after.mbssid_ies);
10293 kfree(params.beacon_csa.mbssid_ies);
10294 kfree(params.beacon_after.rnr_ies);
10295 kfree(params.beacon_csa.rnr_ies);
10300 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
10301 u32 seq, int flags,
10302 struct cfg80211_registered_device *rdev,
10303 struct wireless_dev *wdev,
10304 struct cfg80211_internal_bss *intbss)
10306 struct cfg80211_bss *res = &intbss->pub;
10307 const struct cfg80211_bss_ies *ies;
10308 unsigned int link_id;
10310 struct nlattr *bss;
10312 ASSERT_WDEV_LOCK(wdev);
10314 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
10315 NL80211_CMD_NEW_SCAN_RESULTS);
10319 genl_dump_check_consistent(cb, hdr);
10321 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
10322 goto nla_put_failure;
10323 if (wdev->netdev &&
10324 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
10325 goto nla_put_failure;
10326 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
10328 goto nla_put_failure;
10330 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
10332 goto nla_put_failure;
10333 if ((!is_zero_ether_addr(res->bssid) &&
10334 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
10335 goto nla_put_failure;
10338 /* indicate whether we have probe response data or not */
10339 if (rcu_access_pointer(res->proberesp_ies) &&
10340 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
10341 goto fail_unlock_rcu;
10343 /* this pointer prefers to be pointed to probe response data
10344 * but is always valid
10346 ies = rcu_dereference(res->ies);
10348 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
10350 goto fail_unlock_rcu;
10351 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
10352 ies->len, ies->data))
10353 goto fail_unlock_rcu;
10356 /* and this pointer is always (unless driver didn't know) beacon data */
10357 ies = rcu_dereference(res->beacon_ies);
10358 if (ies && ies->from_beacon) {
10359 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
10361 goto fail_unlock_rcu;
10362 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
10363 ies->len, ies->data))
10364 goto fail_unlock_rcu;
10368 if (res->beacon_interval &&
10369 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
10370 goto nla_put_failure;
10371 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
10372 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
10373 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
10374 res->channel->freq_offset) ||
10375 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
10376 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
10377 jiffies_to_msecs(jiffies - intbss->ts)))
10378 goto nla_put_failure;
10380 if (intbss->parent_tsf &&
10381 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
10382 intbss->parent_tsf, NL80211_BSS_PAD) ||
10383 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
10384 intbss->parent_bssid)))
10385 goto nla_put_failure;
10387 if (intbss->ts_boottime &&
10388 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
10389 intbss->ts_boottime, NL80211_BSS_PAD))
10390 goto nla_put_failure;
10392 if (!nl80211_put_signal(msg, intbss->pub.chains,
10393 intbss->pub.chain_signal,
10394 NL80211_BSS_CHAIN_SIGNAL))
10395 goto nla_put_failure;
10397 switch (rdev->wiphy.signal_type) {
10398 case CFG80211_SIGNAL_TYPE_MBM:
10399 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
10400 goto nla_put_failure;
10402 case CFG80211_SIGNAL_TYPE_UNSPEC:
10403 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
10404 goto nla_put_failure;
10410 switch (wdev->iftype) {
10411 case NL80211_IFTYPE_P2P_CLIENT:
10412 case NL80211_IFTYPE_STATION:
10413 for_each_valid_link(wdev, link_id) {
10414 if (intbss == wdev->links[link_id].client.current_bss &&
10415 (nla_put_u32(msg, NL80211_BSS_STATUS,
10416 NL80211_BSS_STATUS_ASSOCIATED) ||
10417 (wdev->valid_links &&
10418 (nla_put_u8(msg, NL80211_BSS_MLO_LINK_ID,
10420 nla_put(msg, NL80211_BSS_MLD_ADDR, ETH_ALEN,
10421 wdev->u.client.connected_addr)))))
10422 goto nla_put_failure;
10425 case NL80211_IFTYPE_ADHOC:
10426 if (intbss == wdev->u.ibss.current_bss &&
10427 nla_put_u32(msg, NL80211_BSS_STATUS,
10428 NL80211_BSS_STATUS_IBSS_JOINED))
10429 goto nla_put_failure;
10435 nla_nest_end(msg, bss);
10437 genlmsg_end(msg, hdr);
10443 genlmsg_cancel(msg, hdr);
10447 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
10449 struct cfg80211_registered_device *rdev;
10450 struct cfg80211_internal_bss *scan;
10451 struct wireless_dev *wdev;
10452 int start = cb->args[2], idx = 0;
10455 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
10458 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10459 __acquire(&rdev->wiphy.mtx);
10462 spin_lock_bh(&rdev->bss_lock);
10465 * dump_scan will be called multiple times to break up the scan results
10466 * into multiple messages. It is unlikely that any more bss-es will be
10467 * expired after the first call, so only call only call this on the
10468 * first dump_scan invocation.
10471 cfg80211_bss_expire(rdev);
10473 cb->seq = rdev->bss_generation;
10475 list_for_each_entry(scan, &rdev->bss_list, list) {
10476 if (++idx <= start)
10478 if (nl80211_send_bss(skb, cb,
10479 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10480 rdev, wdev, scan) < 0) {
10486 spin_unlock_bh(&rdev->bss_lock);
10490 wiphy_unlock(&rdev->wiphy);
10495 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
10496 int flags, struct net_device *dev,
10497 bool allow_radio_stats,
10498 struct survey_info *survey)
10501 struct nlattr *infoattr;
10503 /* skip radio stats if userspace didn't request them */
10504 if (!survey->channel && !allow_radio_stats)
10507 hdr = nl80211hdr_put(msg, portid, seq, flags,
10508 NL80211_CMD_NEW_SURVEY_RESULTS);
10512 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
10513 goto nla_put_failure;
10515 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
10517 goto nla_put_failure;
10519 if (survey->channel &&
10520 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
10521 survey->channel->center_freq))
10522 goto nla_put_failure;
10524 if (survey->channel && survey->channel->freq_offset &&
10525 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
10526 survey->channel->freq_offset))
10527 goto nla_put_failure;
10529 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
10530 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
10531 goto nla_put_failure;
10532 if ((survey->filled & SURVEY_INFO_IN_USE) &&
10533 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
10534 goto nla_put_failure;
10535 if ((survey->filled & SURVEY_INFO_TIME) &&
10536 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
10537 survey->time, NL80211_SURVEY_INFO_PAD))
10538 goto nla_put_failure;
10539 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
10540 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
10541 survey->time_busy, NL80211_SURVEY_INFO_PAD))
10542 goto nla_put_failure;
10543 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
10544 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
10545 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
10546 goto nla_put_failure;
10547 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
10548 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
10549 survey->time_rx, NL80211_SURVEY_INFO_PAD))
10550 goto nla_put_failure;
10551 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
10552 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
10553 survey->time_tx, NL80211_SURVEY_INFO_PAD))
10554 goto nla_put_failure;
10555 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
10556 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
10557 survey->time_scan, NL80211_SURVEY_INFO_PAD))
10558 goto nla_put_failure;
10559 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
10560 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
10561 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
10562 goto nla_put_failure;
10564 nla_nest_end(msg, infoattr);
10566 genlmsg_end(msg, hdr);
10570 genlmsg_cancel(msg, hdr);
10574 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
10576 struct nlattr **attrbuf;
10577 struct survey_info survey;
10578 struct cfg80211_registered_device *rdev;
10579 struct wireless_dev *wdev;
10580 int survey_idx = cb->args[2];
10584 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
10588 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
10593 /* nl80211_prepare_wdev_dump acquired it in the successful case */
10594 __acquire(&rdev->wiphy.mtx);
10596 /* prepare_wdev_dump parsed the attributes */
10597 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
10599 if (!wdev->netdev) {
10604 if (!rdev->ops->dump_survey) {
10611 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
10613 if (res == -ENOENT)
10618 /* don't send disabled channels, but do send non-channel data */
10619 if (survey.channel &&
10620 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
10625 if (nl80211_send_survey(skb,
10626 NETLINK_CB(cb->skb).portid,
10627 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10628 wdev->netdev, radio_stats, &survey) < 0)
10634 cb->args[2] = survey_idx;
10638 wiphy_unlock(&rdev->wiphy);
10642 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
10644 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
10645 NL80211_WPA_VERSION_2 |
10646 NL80211_WPA_VERSION_3));
10649 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
10651 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10652 struct net_device *dev = info->user_ptr[1];
10653 struct ieee80211_channel *chan;
10654 const u8 *bssid, *ssid;
10656 enum nl80211_auth_type auth_type;
10657 struct key_parse key;
10658 bool local_state_change;
10659 struct cfg80211_auth_request req = {};
10662 if (!info->attrs[NL80211_ATTR_MAC])
10665 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
10668 if (!info->attrs[NL80211_ATTR_SSID])
10671 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10674 err = nl80211_parse_key(info, &key);
10678 if (key.idx >= 0) {
10679 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
10681 if (!key.p.key || !key.p.key_len)
10683 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
10684 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
10685 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
10686 key.p.key_len != WLAN_KEY_LEN_WEP104))
10695 if (key.idx >= 0) {
10699 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
10700 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
10709 if (!rdev->ops->auth)
10710 return -EOPNOTSUPP;
10712 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10713 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10714 return -EOPNOTSUPP;
10716 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10717 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10718 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10720 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10722 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10726 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10727 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10729 if (info->attrs[NL80211_ATTR_IE]) {
10730 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10731 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10734 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10735 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
10738 if ((auth_type == NL80211_AUTHTYPE_SAE ||
10739 auth_type == NL80211_AUTHTYPE_FILS_SK ||
10740 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
10741 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
10742 !info->attrs[NL80211_ATTR_AUTH_DATA])
10745 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
10746 if (auth_type != NL80211_AUTHTYPE_SAE &&
10747 auth_type != NL80211_AUTHTYPE_FILS_SK &&
10748 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
10749 auth_type != NL80211_AUTHTYPE_FILS_PK)
10751 req.auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
10752 req.auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
10755 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10758 * Since we no longer track auth state, ignore
10759 * requests to only change local state.
10761 if (local_state_change)
10764 req.auth_type = auth_type;
10765 req.key = key.p.key;
10766 req.key_len = key.p.key_len;
10767 req.key_idx = key.idx;
10768 req.link_id = nl80211_link_id_or_invalid(info->attrs);
10769 if (req.link_id >= 0) {
10770 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
10772 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
10774 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
10775 if (!is_valid_ether_addr(req.ap_mld_addr))
10779 req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
10780 IEEE80211_BSS_TYPE_ESS,
10781 IEEE80211_PRIVACY_ANY);
10785 wdev_lock(dev->ieee80211_ptr);
10786 err = cfg80211_mlme_auth(rdev, dev, &req);
10787 wdev_unlock(dev->ieee80211_ptr);
10789 cfg80211_put_bss(&rdev->wiphy, req.bss);
10794 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
10795 struct genl_info *info)
10797 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10798 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
10802 if (!rdev->ops->tx_control_port ||
10803 !wiphy_ext_feature_isset(&rdev->wiphy,
10804 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
10805 return -EOPNOTSUPP;
10810 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
10811 struct genl_info *info,
10812 struct cfg80211_crypto_settings *settings,
10815 memset(settings, 0, sizeof(*settings));
10817 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
10819 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
10822 proto = nla_get_u16(
10823 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
10824 settings->control_port_ethertype = cpu_to_be16(proto);
10825 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
10826 proto != ETH_P_PAE)
10828 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
10829 settings->control_port_no_encrypt = true;
10831 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
10833 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10834 int r = validate_pae_over_nl80211(rdev, info);
10839 settings->control_port_over_nl80211 = true;
10841 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
10842 settings->control_port_no_preauth = true;
10845 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
10849 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10850 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10851 settings->n_ciphers_pairwise = len / sizeof(u32);
10853 if (len % sizeof(u32))
10856 if (settings->n_ciphers_pairwise > cipher_limit)
10859 memcpy(settings->ciphers_pairwise, data, len);
10861 for (i = 0; i < settings->n_ciphers_pairwise; i++)
10862 if (!cfg80211_supported_cipher_suite(
10864 settings->ciphers_pairwise[i]))
10868 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
10869 settings->cipher_group =
10870 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
10871 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
10872 settings->cipher_group))
10876 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
10877 settings->wpa_versions =
10878 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
10879 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
10883 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
10887 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
10888 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
10889 settings->n_akm_suites = len / sizeof(u32);
10891 if (len % sizeof(u32))
10894 if (settings->n_akm_suites > rdev->wiphy.max_num_akm_suites)
10897 memcpy(settings->akm_suites, data, len);
10900 if (info->attrs[NL80211_ATTR_PMK]) {
10901 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
10903 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10904 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
10905 !wiphy_ext_feature_isset(&rdev->wiphy,
10906 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
10908 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10911 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
10912 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10913 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10914 !wiphy_ext_feature_isset(&rdev->wiphy,
10915 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
10917 settings->sae_pwd =
10918 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10919 settings->sae_pwd_len =
10920 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10923 if (info->attrs[NL80211_ATTR_SAE_PWE])
10924 settings->sae_pwe =
10925 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
10927 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
10932 static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device *rdev,
10933 const u8 *ssid, int ssid_len,
10934 struct nlattr **attrs)
10936 struct ieee80211_channel *chan;
10937 struct cfg80211_bss *bss;
10941 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_WIPHY_FREQ])
10942 return ERR_PTR(-EINVAL);
10944 bssid = nla_data(attrs[NL80211_ATTR_MAC]);
10946 freq = MHZ_TO_KHZ(nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]));
10947 if (attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10948 freq += nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10950 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10952 return ERR_PTR(-EINVAL);
10954 bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid,
10956 IEEE80211_BSS_TYPE_ESS,
10957 IEEE80211_PRIVACY_ANY);
10959 return ERR_PTR(-ENOENT);
10964 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
10966 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10967 struct net_device *dev = info->user_ptr[1];
10968 struct cfg80211_assoc_request req = {};
10969 struct nlattr **attrs = NULL;
10970 const u8 *ap_addr, *ssid;
10971 unsigned int link_id;
10974 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10975 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10978 if (!info->attrs[NL80211_ATTR_SSID])
10981 if (!rdev->ops->assoc)
10982 return -EOPNOTSUPP;
10984 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10985 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10986 return -EOPNOTSUPP;
10988 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10989 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10991 if (info->attrs[NL80211_ATTR_IE]) {
10992 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10993 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10995 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
10996 req.ie, req.ie_len)) {
10997 GENL_SET_ERR_MSG(info,
10998 "non-inheritance makes no sense");
11003 if (info->attrs[NL80211_ATTR_USE_MFP]) {
11004 enum nl80211_mfp mfp =
11005 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
11006 if (mfp == NL80211_MFP_REQUIRED)
11007 req.use_mfp = true;
11008 else if (mfp != NL80211_MFP_NO)
11012 if (info->attrs[NL80211_ATTR_PREV_BSSID])
11013 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
11015 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
11016 req.flags |= ASSOC_REQ_DISABLE_HT;
11018 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11019 memcpy(&req.ht_capa_mask,
11020 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11021 sizeof(req.ht_capa_mask));
11023 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11024 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11026 memcpy(&req.ht_capa,
11027 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11028 sizeof(req.ht_capa));
11031 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
11032 req.flags |= ASSOC_REQ_DISABLE_VHT;
11034 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
11035 req.flags |= ASSOC_REQ_DISABLE_HE;
11037 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
11038 req.flags |= ASSOC_REQ_DISABLE_EHT;
11040 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11041 memcpy(&req.vht_capa_mask,
11042 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
11043 sizeof(req.vht_capa_mask));
11045 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
11046 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11048 memcpy(&req.vht_capa,
11049 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
11050 sizeof(req.vht_capa));
11053 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
11054 if (!((rdev->wiphy.features &
11055 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
11056 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
11057 !wiphy_ext_feature_isset(&rdev->wiphy,
11058 NL80211_EXT_FEATURE_RRM))
11060 req.flags |= ASSOC_REQ_USE_RRM;
11063 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
11064 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
11065 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
11066 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
11069 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
11072 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
11073 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
11075 memcpy(&req.s1g_capa_mask,
11076 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
11077 sizeof(req.s1g_capa_mask));
11080 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
11081 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
11083 memcpy(&req.s1g_capa,
11084 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
11085 sizeof(req.s1g_capa));
11088 req.link_id = nl80211_link_id_or_invalid(info->attrs);
11090 if (info->attrs[NL80211_ATTR_MLO_LINKS]) {
11091 unsigned int attrsize = NUM_NL80211_ATTR * sizeof(*attrs);
11092 struct nlattr *link;
11095 if (req.link_id < 0)
11098 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO))
11101 if (info->attrs[NL80211_ATTR_MAC] ||
11102 info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11103 !info->attrs[NL80211_ATTR_MLD_ADDR])
11106 req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
11107 ap_addr = req.ap_mld_addr;
11109 attrs = kzalloc(attrsize, GFP_KERNEL);
11113 nla_for_each_nested(link,
11114 info->attrs[NL80211_ATTR_MLO_LINKS],
11116 memset(attrs, 0, attrsize);
11118 nla_parse_nested(attrs, NL80211_ATTR_MAX,
11121 if (!attrs[NL80211_ATTR_MLO_LINK_ID]) {
11126 link_id = nla_get_u8(attrs[NL80211_ATTR_MLO_LINK_ID]);
11127 /* cannot use the same link ID again */
11128 if (req.links[link_id].bss) {
11132 req.links[link_id].bss =
11133 nl80211_assoc_bss(rdev, ssid, ssid_len, attrs);
11134 if (IS_ERR(req.links[link_id].bss)) {
11135 err = PTR_ERR(req.links[link_id].bss);
11136 req.links[link_id].bss = NULL;
11140 if (attrs[NL80211_ATTR_IE]) {
11141 req.links[link_id].elems =
11142 nla_data(attrs[NL80211_ATTR_IE]);
11143 req.links[link_id].elems_len =
11144 nla_len(attrs[NL80211_ATTR_IE]);
11146 if (cfg80211_find_elem(WLAN_EID_FRAGMENT,
11147 req.links[link_id].elems,
11148 req.links[link_id].elems_len)) {
11149 GENL_SET_ERR_MSG(info,
11150 "cannot deal with fragmentation");
11155 if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
11156 req.links[link_id].elems,
11157 req.links[link_id].elems_len)) {
11158 GENL_SET_ERR_MSG(info,
11159 "cannot deal with non-inheritance");
11165 req.links[link_id].disabled =
11166 nla_get_flag(attrs[NL80211_ATTR_MLO_LINK_DISABLED]);
11169 if (!req.links[req.link_id].bss) {
11174 if (req.links[req.link_id].elems_len) {
11175 GENL_SET_ERR_MSG(info,
11176 "cannot have per-link elems on assoc link");
11181 if (req.links[req.link_id].disabled) {
11182 GENL_SET_ERR_MSG(info,
11183 "cannot have assoc link disabled");
11191 if (req.link_id >= 0)
11194 req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs);
11195 if (IS_ERR(req.bss))
11196 return PTR_ERR(req.bss);
11197 ap_addr = req.bss->bssid;
11200 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
11202 wdev_lock(dev->ieee80211_ptr);
11204 err = cfg80211_mlme_assoc(rdev, dev, &req);
11206 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11207 dev->ieee80211_ptr->conn_owner_nlportid =
11209 memcpy(dev->ieee80211_ptr->disconnect_bssid,
11210 ap_addr, ETH_ALEN);
11213 wdev_unlock(dev->ieee80211_ptr);
11217 for (link_id = 0; link_id < ARRAY_SIZE(req.links); link_id++)
11218 cfg80211_put_bss(&rdev->wiphy, req.links[link_id].bss);
11219 cfg80211_put_bss(&rdev->wiphy, req.bss);
11225 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
11227 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11228 struct net_device *dev = info->user_ptr[1];
11229 const u8 *ie = NULL, *bssid;
11230 int ie_len = 0, err;
11232 bool local_state_change;
11234 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11235 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11238 if (!info->attrs[NL80211_ATTR_MAC])
11241 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11244 if (!rdev->ops->deauth)
11245 return -EOPNOTSUPP;
11247 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11248 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11249 return -EOPNOTSUPP;
11251 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11253 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11254 if (reason_code == 0) {
11255 /* Reason Code 0 is reserved */
11259 if (info->attrs[NL80211_ATTR_IE]) {
11260 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11261 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11264 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11266 wdev_lock(dev->ieee80211_ptr);
11267 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
11268 local_state_change);
11269 wdev_unlock(dev->ieee80211_ptr);
11273 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
11275 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11276 struct net_device *dev = info->user_ptr[1];
11277 const u8 *ie = NULL, *bssid;
11278 int ie_len = 0, err;
11280 bool local_state_change;
11282 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11283 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11286 if (!info->attrs[NL80211_ATTR_MAC])
11289 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11292 if (!rdev->ops->disassoc)
11293 return -EOPNOTSUPP;
11295 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11296 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11297 return -EOPNOTSUPP;
11299 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11301 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11302 if (reason_code == 0) {
11303 /* Reason Code 0 is reserved */
11307 if (info->attrs[NL80211_ATTR_IE]) {
11308 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11309 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11312 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
11314 wdev_lock(dev->ieee80211_ptr);
11315 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
11316 local_state_change);
11317 wdev_unlock(dev->ieee80211_ptr);
11322 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
11323 int mcast_rate[NUM_NL80211_BANDS],
11326 struct wiphy *wiphy = &rdev->wiphy;
11327 bool found = false;
11330 for (band = 0; band < NUM_NL80211_BANDS; band++) {
11331 struct ieee80211_supported_band *sband;
11333 sband = wiphy->bands[band];
11337 for (i = 0; i < sband->n_bitrates; i++) {
11338 if (sband->bitrates[i].bitrate == rateval) {
11339 mcast_rate[band] = i + 1;
11349 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
11351 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11352 struct net_device *dev = info->user_ptr[1];
11353 struct cfg80211_ibss_params ibss;
11354 struct wiphy *wiphy;
11355 struct cfg80211_cached_keys *connkeys = NULL;
11358 memset(&ibss, 0, sizeof(ibss));
11360 if (!info->attrs[NL80211_ATTR_SSID] ||
11361 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11364 ibss.beacon_interval = 100;
11366 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
11367 ibss.beacon_interval =
11368 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11370 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
11371 ibss.beacon_interval);
11375 if (!rdev->ops->join_ibss)
11376 return -EOPNOTSUPP;
11378 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11379 return -EOPNOTSUPP;
11381 wiphy = &rdev->wiphy;
11383 if (info->attrs[NL80211_ATTR_MAC]) {
11384 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11386 if (!is_valid_ether_addr(ibss.bssid))
11389 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11390 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11392 if (info->attrs[NL80211_ATTR_IE]) {
11393 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11394 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11397 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
11401 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
11402 NL80211_IFTYPE_ADHOC))
11405 switch (ibss.chandef.width) {
11406 case NL80211_CHAN_WIDTH_5:
11407 case NL80211_CHAN_WIDTH_10:
11408 case NL80211_CHAN_WIDTH_20_NOHT:
11410 case NL80211_CHAN_WIDTH_20:
11411 case NL80211_CHAN_WIDTH_40:
11412 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11415 case NL80211_CHAN_WIDTH_80:
11416 case NL80211_CHAN_WIDTH_80P80:
11417 case NL80211_CHAN_WIDTH_160:
11418 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
11420 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11421 NL80211_EXT_FEATURE_VHT_IBSS))
11424 case NL80211_CHAN_WIDTH_320:
11430 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
11431 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
11433 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11435 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11437 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11438 struct ieee80211_supported_band *sband =
11439 wiphy->bands[ibss.chandef.chan->band];
11441 err = ieee80211_get_ratemask(sband, rates, n_rates,
11442 &ibss.basic_rates);
11447 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11448 memcpy(&ibss.ht_capa_mask,
11449 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11450 sizeof(ibss.ht_capa_mask));
11452 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11453 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11455 memcpy(&ibss.ht_capa,
11456 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11457 sizeof(ibss.ht_capa));
11460 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11461 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
11462 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11465 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
11466 bool no_ht = false;
11468 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
11469 if (IS_ERR(connkeys))
11470 return PTR_ERR(connkeys);
11472 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
11474 kfree_sensitive(connkeys);
11479 ibss.control_port =
11480 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
11482 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11483 int r = validate_pae_over_nl80211(rdev, info);
11486 kfree_sensitive(connkeys);
11490 ibss.control_port_over_nl80211 = true;
11493 ibss.userspace_handles_dfs =
11494 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11496 wdev_lock(dev->ieee80211_ptr);
11497 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
11499 kfree_sensitive(connkeys);
11500 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
11501 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11502 wdev_unlock(dev->ieee80211_ptr);
11507 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
11509 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11510 struct net_device *dev = info->user_ptr[1];
11512 if (!rdev->ops->leave_ibss)
11513 return -EOPNOTSUPP;
11515 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
11516 return -EOPNOTSUPP;
11518 return cfg80211_leave_ibss(rdev, dev, false);
11521 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
11523 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11524 struct net_device *dev = info->user_ptr[1];
11525 int mcast_rate[NUM_NL80211_BANDS];
11528 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
11529 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
11530 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
11531 return -EOPNOTSUPP;
11533 if (!rdev->ops->set_mcast_rate)
11534 return -EOPNOTSUPP;
11536 memset(mcast_rate, 0, sizeof(mcast_rate));
11538 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
11541 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
11542 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
11545 return rdev_set_mcast_rate(rdev, dev, mcast_rate);
11548 static struct sk_buff *
11549 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
11550 struct wireless_dev *wdev, int approxlen,
11551 u32 portid, u32 seq, enum nl80211_commands cmd,
11552 enum nl80211_attrs attr,
11553 const struct nl80211_vendor_cmd_info *info,
11556 struct sk_buff *skb;
11558 struct nlattr *data;
11560 skb = nlmsg_new(approxlen + 100, gfp);
11564 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
11570 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
11571 goto nla_put_failure;
11574 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
11576 goto nla_put_failure;
11577 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
11579 goto nla_put_failure;
11583 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
11584 wdev_id(wdev), NL80211_ATTR_PAD))
11585 goto nla_put_failure;
11586 if (wdev->netdev &&
11587 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
11588 wdev->netdev->ifindex))
11589 goto nla_put_failure;
11592 data = nla_nest_start_noflag(skb, attr);
11594 goto nla_put_failure;
11596 ((void **)skb->cb)[0] = rdev;
11597 ((void **)skb->cb)[1] = hdr;
11598 ((void **)skb->cb)[2] = data;
11607 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
11608 struct wireless_dev *wdev,
11609 enum nl80211_commands cmd,
11610 enum nl80211_attrs attr,
11611 unsigned int portid,
11612 int vendor_event_idx,
11613 int approxlen, gfp_t gfp)
11615 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11616 const struct nl80211_vendor_cmd_info *info;
11619 case NL80211_CMD_TESTMODE:
11620 if (WARN_ON(vendor_event_idx != -1))
11624 case NL80211_CMD_VENDOR:
11625 if (WARN_ON(vendor_event_idx < 0 ||
11626 vendor_event_idx >= wiphy->n_vendor_events))
11628 info = &wiphy->vendor_events[vendor_event_idx];
11635 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
11636 cmd, attr, info, gfp);
11638 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
11640 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
11642 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
11643 void *hdr = ((void **)skb->cb)[1];
11644 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
11645 struct nlattr *data = ((void **)skb->cb)[2];
11646 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
11648 /* clear CB data for netlink core to own from now on */
11649 memset(skb->cb, 0, sizeof(skb->cb));
11651 nla_nest_end(skb, data);
11652 genlmsg_end(skb, hdr);
11654 if (nlhdr->nlmsg_pid) {
11655 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
11658 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
11659 mcgrp = NL80211_MCGRP_VENDOR;
11661 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11662 skb, 0, mcgrp, gfp);
11665 EXPORT_SYMBOL(__cfg80211_send_event_skb);
11667 #ifdef CONFIG_NL80211_TESTMODE
11668 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
11670 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11671 struct wireless_dev *wdev;
11674 lockdep_assert_held(&rdev->wiphy.mtx);
11676 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
11679 if (!rdev->ops->testmode_cmd)
11680 return -EOPNOTSUPP;
11682 if (IS_ERR(wdev)) {
11683 err = PTR_ERR(wdev);
11684 if (err != -EINVAL)
11687 } else if (wdev->wiphy != &rdev->wiphy) {
11691 if (!info->attrs[NL80211_ATTR_TESTDATA])
11694 rdev->cur_cmd_info = info;
11695 err = rdev_testmode_cmd(rdev, wdev,
11696 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
11697 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
11698 rdev->cur_cmd_info = NULL;
11703 static int nl80211_testmode_dump(struct sk_buff *skb,
11704 struct netlink_callback *cb)
11706 struct cfg80211_registered_device *rdev;
11707 struct nlattr **attrbuf = NULL;
11717 * 0 is a valid index, but not valid for args[0],
11718 * so we need to offset by 1.
11720 phy_idx = cb->args[0] - 1;
11722 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
11728 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
11735 err = nlmsg_parse_deprecated(cb->nlh,
11736 GENL_HDRLEN + nl80211_fam.hdrsize,
11737 attrbuf, nl80211_fam.maxattr,
11738 nl80211_policy, NULL);
11742 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
11743 if (IS_ERR(rdev)) {
11744 err = PTR_ERR(rdev);
11747 phy_idx = rdev->wiphy_idx;
11749 if (attrbuf[NL80211_ATTR_TESTDATA])
11750 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
11754 data = nla_data((void *)cb->args[1]);
11755 data_len = nla_len((void *)cb->args[1]);
11758 if (!rdev->ops->testmode_dump) {
11764 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
11765 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11766 NL80211_CMD_TESTMODE);
11767 struct nlattr *tmdata;
11772 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
11773 genlmsg_cancel(skb, hdr);
11777 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
11779 genlmsg_cancel(skb, hdr);
11782 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
11783 nla_nest_end(skb, tmdata);
11785 if (err == -ENOBUFS || err == -ENOENT) {
11786 genlmsg_cancel(skb, hdr);
11789 genlmsg_cancel(skb, hdr);
11793 genlmsg_end(skb, hdr);
11798 cb->args[0] = phy_idx + 1;
11806 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
11808 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11809 struct net_device *dev = info->user_ptr[1];
11810 struct cfg80211_connect_params connect;
11811 struct wiphy *wiphy;
11812 struct cfg80211_cached_keys *connkeys = NULL;
11816 memset(&connect, 0, sizeof(connect));
11818 if (!info->attrs[NL80211_ATTR_SSID] ||
11819 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11822 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11823 connect.auth_type =
11824 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11825 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
11826 NL80211_CMD_CONNECT))
11829 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
11831 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
11833 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
11834 !wiphy_ext_feature_isset(&rdev->wiphy,
11835 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
11837 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
11839 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
11840 NL80211_MAX_NR_CIPHER_SUITES);
11844 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11845 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11846 return -EOPNOTSUPP;
11848 wiphy = &rdev->wiphy;
11850 connect.bg_scan_period = -1;
11851 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
11852 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
11853 connect.bg_scan_period =
11854 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
11857 if (info->attrs[NL80211_ATTR_MAC])
11858 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11859 else if (info->attrs[NL80211_ATTR_MAC_HINT])
11860 connect.bssid_hint =
11861 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
11862 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11863 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11865 if (info->attrs[NL80211_ATTR_IE]) {
11866 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11867 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11870 if (info->attrs[NL80211_ATTR_USE_MFP]) {
11871 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
11872 if (connect.mfp == NL80211_MFP_OPTIONAL &&
11873 !wiphy_ext_feature_isset(&rdev->wiphy,
11874 NL80211_EXT_FEATURE_MFP_OPTIONAL))
11875 return -EOPNOTSUPP;
11877 connect.mfp = NL80211_MFP_NO;
11880 if (info->attrs[NL80211_ATTR_PREV_BSSID])
11881 connect.prev_bssid =
11882 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
11884 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
11885 freq = MHZ_TO_KHZ(nla_get_u32(
11886 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
11887 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
11889 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
11892 connect.channel = nl80211_get_valid_chan(wiphy, freq);
11893 if (!connect.channel)
11895 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
11896 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
11897 freq = MHZ_TO_KHZ(freq);
11898 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
11899 if (!connect.channel_hint)
11903 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
11904 connect.edmg.channels =
11905 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
11907 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
11908 connect.edmg.bw_config =
11909 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
11912 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
11913 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
11914 if (IS_ERR(connkeys))
11915 return PTR_ERR(connkeys);
11918 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
11919 connect.flags |= ASSOC_REQ_DISABLE_HT;
11921 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11922 memcpy(&connect.ht_capa_mask,
11923 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11924 sizeof(connect.ht_capa_mask));
11926 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11927 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
11928 kfree_sensitive(connkeys);
11931 memcpy(&connect.ht_capa,
11932 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11933 sizeof(connect.ht_capa));
11936 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
11937 connect.flags |= ASSOC_REQ_DISABLE_VHT;
11939 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
11940 connect.flags |= ASSOC_REQ_DISABLE_HE;
11942 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_EHT]))
11943 connect.flags |= ASSOC_REQ_DISABLE_EHT;
11945 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11946 memcpy(&connect.vht_capa_mask,
11947 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
11948 sizeof(connect.vht_capa_mask));
11950 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
11951 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
11952 kfree_sensitive(connkeys);
11955 memcpy(&connect.vht_capa,
11956 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
11957 sizeof(connect.vht_capa));
11960 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
11961 if (!((rdev->wiphy.features &
11962 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
11963 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
11964 !wiphy_ext_feature_isset(&rdev->wiphy,
11965 NL80211_EXT_FEATURE_RRM)) {
11966 kfree_sensitive(connkeys);
11969 connect.flags |= ASSOC_REQ_USE_RRM;
11972 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
11973 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
11974 kfree_sensitive(connkeys);
11975 return -EOPNOTSUPP;
11978 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
11979 /* bss selection makes no sense if bssid is set */
11980 if (connect.bssid) {
11981 kfree_sensitive(connkeys);
11985 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
11986 wiphy, &connect.bss_select);
11988 kfree_sensitive(connkeys);
11993 if (wiphy_ext_feature_isset(&rdev->wiphy,
11994 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
11995 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
11996 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
11997 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
11998 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11999 connect.fils_erp_username =
12000 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12001 connect.fils_erp_username_len =
12002 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12003 connect.fils_erp_realm =
12004 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12005 connect.fils_erp_realm_len =
12006 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12007 connect.fils_erp_next_seq_num =
12009 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
12010 connect.fils_erp_rrk =
12011 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12012 connect.fils_erp_rrk_len =
12013 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12014 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
12015 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
12016 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
12017 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12018 kfree_sensitive(connkeys);
12022 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
12023 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
12024 kfree_sensitive(connkeys);
12025 GENL_SET_ERR_MSG(info,
12026 "external auth requires connection ownership");
12029 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
12032 if (nla_get_flag(info->attrs[NL80211_ATTR_MLO_SUPPORT]))
12033 connect.flags |= CONNECT_REQ_MLO_SUPPORT;
12035 wdev_lock(dev->ieee80211_ptr);
12037 err = cfg80211_connect(rdev, dev, &connect, connkeys,
12038 connect.prev_bssid);
12040 kfree_sensitive(connkeys);
12042 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
12043 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
12045 memcpy(dev->ieee80211_ptr->disconnect_bssid,
12046 connect.bssid, ETH_ALEN);
12048 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
12051 wdev_unlock(dev->ieee80211_ptr);
12056 static int nl80211_update_connect_params(struct sk_buff *skb,
12057 struct genl_info *info)
12059 struct cfg80211_connect_params connect = {};
12060 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12061 struct net_device *dev = info->user_ptr[1];
12062 struct wireless_dev *wdev = dev->ieee80211_ptr;
12063 bool fils_sk_offload;
12068 if (!rdev->ops->update_connect_params)
12069 return -EOPNOTSUPP;
12071 if (info->attrs[NL80211_ATTR_IE]) {
12072 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12073 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12074 changed |= UPDATE_ASSOC_IES;
12077 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
12078 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
12081 * when driver supports fils-sk offload all attributes must be
12082 * provided. So the else covers "fils-sk-not-all" and
12083 * "no-fils-sk-any".
12085 if (fils_sk_offload &&
12086 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
12087 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
12088 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
12089 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12090 connect.fils_erp_username =
12091 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12092 connect.fils_erp_username_len =
12093 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
12094 connect.fils_erp_realm =
12095 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12096 connect.fils_erp_realm_len =
12097 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
12098 connect.fils_erp_next_seq_num =
12100 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
12101 connect.fils_erp_rrk =
12102 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12103 connect.fils_erp_rrk_len =
12104 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
12105 changed |= UPDATE_FILS_ERP_INFO;
12106 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
12107 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
12108 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
12109 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
12113 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
12114 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
12115 if (!nl80211_valid_auth_type(rdev, auth_type,
12116 NL80211_CMD_CONNECT))
12119 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
12120 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
12123 connect.auth_type = auth_type;
12124 changed |= UPDATE_AUTH_TYPE;
12127 wdev_lock(dev->ieee80211_ptr);
12128 if (!wdev->connected)
12131 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
12132 wdev_unlock(dev->ieee80211_ptr);
12137 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
12139 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12140 struct net_device *dev = info->user_ptr[1];
12144 if (dev->ieee80211_ptr->conn_owner_nlportid &&
12145 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
12148 if (!info->attrs[NL80211_ATTR_REASON_CODE])
12149 reason = WLAN_REASON_DEAUTH_LEAVING;
12151 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
12156 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12157 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12158 return -EOPNOTSUPP;
12160 wdev_lock(dev->ieee80211_ptr);
12161 ret = cfg80211_disconnect(rdev, dev, reason, true);
12162 wdev_unlock(dev->ieee80211_ptr);
12166 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
12168 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12172 if (info->attrs[NL80211_ATTR_PID]) {
12173 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
12175 net = get_net_ns_by_pid(pid);
12176 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
12177 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
12179 net = get_net_ns_by_fd(fd);
12185 return PTR_ERR(net);
12189 /* check if anything to do */
12190 if (!net_eq(wiphy_net(&rdev->wiphy), net))
12191 err = cfg80211_switch_netns(rdev, net);
12197 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
12199 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12200 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
12201 struct cfg80211_pmksa *pmksa) = NULL;
12202 struct net_device *dev = info->user_ptr[1];
12203 struct cfg80211_pmksa pmksa;
12205 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
12207 if (!info->attrs[NL80211_ATTR_PMKID])
12210 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
12212 if (info->attrs[NL80211_ATTR_MAC]) {
12213 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
12214 } else if (info->attrs[NL80211_ATTR_SSID] &&
12215 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
12216 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
12217 info->attrs[NL80211_ATTR_PMK])) {
12218 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
12219 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
12221 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
12225 if (info->attrs[NL80211_ATTR_PMK]) {
12226 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
12227 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
12230 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
12231 pmksa.pmk_lifetime =
12232 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
12234 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
12235 pmksa.pmk_reauth_threshold =
12237 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
12239 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12240 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
12241 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
12242 wiphy_ext_feature_isset(&rdev->wiphy,
12243 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
12244 return -EOPNOTSUPP;
12246 switch (info->genlhdr->cmd) {
12247 case NL80211_CMD_SET_PMKSA:
12248 rdev_ops = rdev->ops->set_pmksa;
12250 case NL80211_CMD_DEL_PMKSA:
12251 rdev_ops = rdev->ops->del_pmksa;
12259 return -EOPNOTSUPP;
12261 return rdev_ops(&rdev->wiphy, dev, &pmksa);
12264 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
12266 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12267 struct net_device *dev = info->user_ptr[1];
12269 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
12270 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
12271 return -EOPNOTSUPP;
12273 if (!rdev->ops->flush_pmksa)
12274 return -EOPNOTSUPP;
12276 return rdev_flush_pmksa(rdev, dev);
12279 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
12281 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12282 struct net_device *dev = info->user_ptr[1];
12283 u8 action_code, dialog_token;
12284 u32 peer_capability = 0;
12290 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12291 !rdev->ops->tdls_mgmt)
12292 return -EOPNOTSUPP;
12294 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
12295 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
12296 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
12297 !info->attrs[NL80211_ATTR_IE] ||
12298 !info->attrs[NL80211_ATTR_MAC])
12301 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12302 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
12303 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
12304 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
12305 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
12306 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
12308 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
12309 link_id = nl80211_link_id_or_invalid(info->attrs);
12311 return rdev_tdls_mgmt(rdev, dev, peer, link_id, action_code,
12312 dialog_token, status_code, peer_capability,
12314 nla_data(info->attrs[NL80211_ATTR_IE]),
12315 nla_len(info->attrs[NL80211_ATTR_IE]));
12318 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
12320 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12321 struct net_device *dev = info->user_ptr[1];
12322 enum nl80211_tdls_operation operation;
12325 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
12326 !rdev->ops->tdls_oper)
12327 return -EOPNOTSUPP;
12329 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
12330 !info->attrs[NL80211_ATTR_MAC])
12333 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
12334 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12336 return rdev_tdls_oper(rdev, dev, peer, operation);
12339 static int nl80211_remain_on_channel(struct sk_buff *skb,
12340 struct genl_info *info)
12342 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12343 unsigned int link_id = nl80211_link_id(info->attrs);
12344 struct wireless_dev *wdev = info->user_ptr[1];
12345 struct cfg80211_chan_def chandef;
12346 struct sk_buff *msg;
12352 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
12353 !info->attrs[NL80211_ATTR_DURATION])
12356 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12358 if (!rdev->ops->remain_on_channel ||
12359 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
12360 return -EOPNOTSUPP;
12363 * We should be on that channel for at least a minimum amount of
12364 * time (10ms) but no longer than the driver supports.
12366 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12367 duration > rdev->wiphy.max_remain_on_channel_duration)
12370 err = nl80211_parse_chandef(rdev, info, &chandef);
12375 if (!cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
12376 const struct cfg80211_chan_def *oper_chandef, *compat_chandef;
12378 oper_chandef = wdev_chandef(wdev, link_id);
12380 if (WARN_ON(!oper_chandef)) {
12381 /* cannot happen since we must beacon to get here */
12387 /* note: returns first one if identical chandefs */
12388 compat_chandef = cfg80211_chandef_compatible(&chandef,
12391 if (compat_chandef != &chandef) {
12398 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12402 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12403 NL80211_CMD_REMAIN_ON_CHANNEL);
12409 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
12410 duration, &cookie);
12415 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12417 goto nla_put_failure;
12419 genlmsg_end(msg, hdr);
12421 return genlmsg_reply(msg, info);
12430 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
12431 struct genl_info *info)
12433 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12434 struct wireless_dev *wdev = info->user_ptr[1];
12437 if (!info->attrs[NL80211_ATTR_COOKIE])
12440 if (!rdev->ops->cancel_remain_on_channel)
12441 return -EOPNOTSUPP;
12443 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12445 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
12448 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
12449 struct genl_info *info)
12451 struct cfg80211_bitrate_mask mask;
12452 unsigned int link_id = nl80211_link_id(info->attrs);
12453 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12454 struct net_device *dev = info->user_ptr[1];
12455 struct wireless_dev *wdev = dev->ieee80211_ptr;
12458 if (!rdev->ops->set_bitrate_mask)
12459 return -EOPNOTSUPP;
12462 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
12463 NL80211_ATTR_TX_RATES, &mask,
12464 dev, true, link_id);
12468 err = rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
12474 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
12476 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12477 struct wireless_dev *wdev = info->user_ptr[1];
12478 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
12480 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
12483 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
12484 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
12486 switch (wdev->iftype) {
12487 case NL80211_IFTYPE_STATION:
12488 case NL80211_IFTYPE_ADHOC:
12489 case NL80211_IFTYPE_P2P_CLIENT:
12490 case NL80211_IFTYPE_AP:
12491 case NL80211_IFTYPE_AP_VLAN:
12492 case NL80211_IFTYPE_MESH_POINT:
12493 case NL80211_IFTYPE_P2P_GO:
12494 case NL80211_IFTYPE_P2P_DEVICE:
12496 case NL80211_IFTYPE_NAN:
12497 if (!wiphy_ext_feature_isset(wdev->wiphy,
12498 NL80211_EXT_FEATURE_SECURE_NAN))
12499 return -EOPNOTSUPP;
12502 return -EOPNOTSUPP;
12505 /* not much point in registering if we can't reply */
12506 if (!rdev->ops->mgmt_tx)
12507 return -EOPNOTSUPP;
12509 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
12510 !wiphy_ext_feature_isset(&rdev->wiphy,
12511 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
12512 GENL_SET_ERR_MSG(info,
12513 "multicast RX registrations are not supported");
12514 return -EOPNOTSUPP;
12517 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
12518 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12519 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
12520 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
12524 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
12526 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12527 struct wireless_dev *wdev = info->user_ptr[1];
12528 struct cfg80211_chan_def chandef;
12532 struct sk_buff *msg = NULL;
12533 struct cfg80211_mgmt_tx_params params = {
12534 .dont_wait_for_ack =
12535 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
12538 if (!info->attrs[NL80211_ATTR_FRAME])
12541 if (!rdev->ops->mgmt_tx)
12542 return -EOPNOTSUPP;
12544 switch (wdev->iftype) {
12545 case NL80211_IFTYPE_P2P_DEVICE:
12546 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
12549 case NL80211_IFTYPE_STATION:
12550 case NL80211_IFTYPE_ADHOC:
12551 case NL80211_IFTYPE_P2P_CLIENT:
12552 case NL80211_IFTYPE_AP:
12553 case NL80211_IFTYPE_AP_VLAN:
12554 case NL80211_IFTYPE_MESH_POINT:
12555 case NL80211_IFTYPE_P2P_GO:
12557 case NL80211_IFTYPE_NAN:
12558 if (!wiphy_ext_feature_isset(wdev->wiphy,
12559 NL80211_EXT_FEATURE_SECURE_NAN))
12560 return -EOPNOTSUPP;
12563 return -EOPNOTSUPP;
12566 if (info->attrs[NL80211_ATTR_DURATION]) {
12567 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
12569 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
12572 * We should wait on the channel for at least a minimum amount
12573 * of time (10ms) but no longer than the driver supports.
12575 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
12576 params.wait > rdev->wiphy.max_remain_on_channel_duration)
12580 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
12582 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
12585 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
12587 /* get the channel if any has been specified, otherwise pass NULL to
12588 * the driver. The latter will use the current one
12590 chandef.chan = NULL;
12591 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
12592 err = nl80211_parse_chandef(rdev, info, &chandef);
12597 if (!chandef.chan && params.offchan)
12601 if (params.offchan &&
12602 !cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
12607 params.link_id = nl80211_link_id_or_invalid(info->attrs);
12609 * This now races due to the unlock, but we cannot check
12610 * the valid links for the _station_ anyway, so that's up
12613 if (params.link_id >= 0 &&
12614 !(wdev->valid_links & BIT(params.link_id))) {
12620 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
12621 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
12623 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
12624 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12627 if (len % sizeof(u16))
12630 params.n_csa_offsets = len / sizeof(u16);
12631 params.csa_offsets =
12632 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
12634 /* check that all the offsets fit the frame */
12635 for (i = 0; i < params.n_csa_offsets; i++) {
12636 if (params.csa_offsets[i] >= params.len)
12641 if (!params.dont_wait_for_ack) {
12642 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12646 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12647 NL80211_CMD_FRAME);
12654 params.chan = chandef.chan;
12655 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
12660 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12662 goto nla_put_failure;
12664 genlmsg_end(msg, hdr);
12665 return genlmsg_reply(msg, info);
12677 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
12679 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12680 struct wireless_dev *wdev = info->user_ptr[1];
12683 if (!info->attrs[NL80211_ATTR_COOKIE])
12686 if (!rdev->ops->mgmt_tx_cancel_wait)
12687 return -EOPNOTSUPP;
12689 switch (wdev->iftype) {
12690 case NL80211_IFTYPE_STATION:
12691 case NL80211_IFTYPE_ADHOC:
12692 case NL80211_IFTYPE_P2P_CLIENT:
12693 case NL80211_IFTYPE_AP:
12694 case NL80211_IFTYPE_AP_VLAN:
12695 case NL80211_IFTYPE_P2P_GO:
12696 case NL80211_IFTYPE_P2P_DEVICE:
12698 case NL80211_IFTYPE_NAN:
12699 if (!wiphy_ext_feature_isset(wdev->wiphy,
12700 NL80211_EXT_FEATURE_SECURE_NAN))
12701 return -EOPNOTSUPP;
12704 return -EOPNOTSUPP;
12707 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12709 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
12712 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
12714 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12715 struct wireless_dev *wdev;
12716 struct net_device *dev = info->user_ptr[1];
12721 if (!info->attrs[NL80211_ATTR_PS_STATE])
12724 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
12726 wdev = dev->ieee80211_ptr;
12728 if (!rdev->ops->set_power_mgmt)
12729 return -EOPNOTSUPP;
12731 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
12733 if (state == wdev->ps)
12736 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
12742 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
12744 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12745 enum nl80211_ps_state ps_state;
12746 struct wireless_dev *wdev;
12747 struct net_device *dev = info->user_ptr[1];
12748 struct sk_buff *msg;
12752 wdev = dev->ieee80211_ptr;
12754 if (!rdev->ops->set_power_mgmt)
12755 return -EOPNOTSUPP;
12757 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12761 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12762 NL80211_CMD_GET_POWER_SAVE);
12769 ps_state = NL80211_PS_ENABLED;
12771 ps_state = NL80211_PS_DISABLED;
12773 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
12774 goto nla_put_failure;
12776 genlmsg_end(msg, hdr);
12777 return genlmsg_reply(msg, info);
12786 static const struct nla_policy
12787 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
12788 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
12789 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
12790 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
12791 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
12792 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
12793 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
12794 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
12797 static int nl80211_set_cqm_txe(struct genl_info *info,
12798 u32 rate, u32 pkts, u32 intvl)
12800 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12801 struct net_device *dev = info->user_ptr[1];
12802 struct wireless_dev *wdev = dev->ieee80211_ptr;
12804 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
12807 if (!rdev->ops->set_cqm_txe_config)
12808 return -EOPNOTSUPP;
12810 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12811 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12812 return -EOPNOTSUPP;
12814 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
12817 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
12818 struct net_device *dev,
12819 struct cfg80211_cqm_config *cqm_config)
12821 struct wireless_dev *wdev = dev->ieee80211_ptr;
12822 s32 last, low, high;
12824 int i, n, low_index;
12828 * Obtain current RSSI value if possible, if not and no RSSI threshold
12829 * event has been received yet, we should receive an event after a
12830 * connection is established and enough beacons received to calculate
12833 if (!cqm_config->last_rssi_event_value &&
12834 wdev->links[0].client.current_bss &&
12835 rdev->ops->get_station) {
12836 struct station_info sinfo = {};
12839 mac_addr = wdev->links[0].client.current_bss->pub.bssid;
12841 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
12845 cfg80211_sinfo_release_content(&sinfo);
12846 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
12847 cqm_config->last_rssi_event_value =
12848 (s8) sinfo.rx_beacon_signal_avg;
12851 last = cqm_config->last_rssi_event_value;
12852 hyst = cqm_config->rssi_hyst;
12853 n = cqm_config->n_rssi_thresholds;
12855 for (i = 0; i < n; i++) {
12856 i = array_index_nospec(i, n);
12857 if (last < cqm_config->rssi_thresholds[i])
12862 if (low_index >= 0) {
12863 low_index = array_index_nospec(low_index, n);
12864 low = cqm_config->rssi_thresholds[low_index] - hyst;
12869 i = array_index_nospec(i, n);
12870 high = cqm_config->rssi_thresholds[i] + hyst - 1;
12875 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
12878 static int nl80211_set_cqm_rssi(struct genl_info *info,
12879 const s32 *thresholds, int n_thresholds,
12882 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12883 struct cfg80211_cqm_config *cqm_config = NULL, *old;
12884 struct net_device *dev = info->user_ptr[1];
12885 struct wireless_dev *wdev = dev->ieee80211_ptr;
12887 s32 prev = S32_MIN;
12889 /* Check all values negative and sorted */
12890 for (i = 0; i < n_thresholds; i++) {
12891 if (thresholds[i] > 0 || thresholds[i] <= prev)
12894 prev = thresholds[i];
12897 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12898 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12899 return -EOPNOTSUPP;
12901 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
12905 old = rcu_dereference_protected(wdev->cqm_config,
12906 lockdep_is_held(&wdev->mtx));
12908 /* if already disabled just succeed */
12909 if (!n_thresholds && !old) {
12914 if (n_thresholds > 1) {
12915 if (!wiphy_ext_feature_isset(&rdev->wiphy,
12916 NL80211_EXT_FEATURE_CQM_RSSI_LIST) ||
12917 !rdev->ops->set_cqm_rssi_range_config) {
12922 if (!rdev->ops->set_cqm_rssi_config) {
12928 if (n_thresholds) {
12929 cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds,
12937 cqm_config->rssi_hyst = hysteresis;
12938 cqm_config->n_rssi_thresholds = n_thresholds;
12939 memcpy(cqm_config->rssi_thresholds, thresholds,
12940 flex_array_size(cqm_config, rssi_thresholds,
12942 cqm_config->use_range_api = n_thresholds > 1 ||
12943 !rdev->ops->set_cqm_rssi_config;
12945 rcu_assign_pointer(wdev->cqm_config, cqm_config);
12947 if (cqm_config->use_range_api)
12948 err = cfg80211_cqm_rssi_update(rdev, dev, cqm_config);
12950 err = rdev_set_cqm_rssi_config(rdev, dev,
12954 RCU_INIT_POINTER(wdev->cqm_config, NULL);
12955 /* if enabled as range also disable via range */
12956 if (old->use_range_api)
12957 err = rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
12959 err = rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
12963 rcu_assign_pointer(wdev->cqm_config, old);
12964 kfree_rcu(cqm_config, rcu_head);
12966 kfree_rcu(old, rcu_head);
12974 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
12976 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
12977 struct nlattr *cqm;
12980 cqm = info->attrs[NL80211_ATTR_CQM];
12984 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
12985 nl80211_attr_cqm_policy,
12990 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
12991 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
12992 const s32 *thresholds =
12993 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
12994 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
12995 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
13000 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
13004 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
13005 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
13006 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
13007 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
13008 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
13009 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
13011 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
13017 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
13019 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13020 struct net_device *dev = info->user_ptr[1];
13021 struct ocb_setup setup = {};
13024 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
13028 return cfg80211_join_ocb(rdev, dev, &setup);
13031 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
13033 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13034 struct net_device *dev = info->user_ptr[1];
13036 return cfg80211_leave_ocb(rdev, dev);
13039 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
13041 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13042 struct net_device *dev = info->user_ptr[1];
13043 struct mesh_config cfg;
13044 struct mesh_setup setup;
13047 /* start with default */
13048 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
13049 memcpy(&setup, &default_mesh_setup, sizeof(setup));
13051 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
13052 /* and parse parameters if given */
13053 err = nl80211_parse_mesh_config(info, &cfg, NULL);
13058 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
13059 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
13062 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
13063 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
13065 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
13066 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
13067 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
13070 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
13071 setup.beacon_interval =
13072 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
13074 err = cfg80211_validate_beacon_int(rdev,
13075 NL80211_IFTYPE_MESH_POINT,
13076 setup.beacon_interval);
13081 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
13082 setup.dtim_period =
13083 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
13084 if (setup.dtim_period < 1 || setup.dtim_period > 100)
13088 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
13089 /* parse additional setup parameters if given */
13090 err = nl80211_parse_mesh_setup(info, &setup);
13095 if (setup.user_mpm)
13096 cfg.auto_open_plinks = false;
13098 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
13099 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
13103 /* __cfg80211_join_mesh() will sort it out */
13104 setup.chandef.chan = NULL;
13107 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
13108 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
13110 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
13111 struct ieee80211_supported_band *sband;
13113 if (!setup.chandef.chan)
13116 sband = rdev->wiphy.bands[setup.chandef.chan->band];
13118 err = ieee80211_get_ratemask(sband, rates, n_rates,
13119 &setup.basic_rates);
13124 if (info->attrs[NL80211_ATTR_TX_RATES]) {
13125 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
13126 NL80211_ATTR_TX_RATES,
13127 &setup.beacon_rate,
13132 if (!setup.chandef.chan)
13135 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
13136 &setup.beacon_rate);
13141 setup.userspace_handles_dfs =
13142 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
13144 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
13145 int r = validate_pae_over_nl80211(rdev, info);
13150 setup.control_port_over_nl80211 = true;
13153 wdev_lock(dev->ieee80211_ptr);
13154 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
13155 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
13156 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
13157 wdev_unlock(dev->ieee80211_ptr);
13162 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
13164 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13165 struct net_device *dev = info->user_ptr[1];
13167 return cfg80211_leave_mesh(rdev, dev);
13171 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
13172 struct cfg80211_registered_device *rdev)
13174 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
13175 struct nlattr *nl_pats, *nl_pat;
13178 if (!wowlan->n_patterns)
13181 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
13185 for (i = 0; i < wowlan->n_patterns; i++) {
13186 nl_pat = nla_nest_start_noflag(msg, i + 1);
13189 pat_len = wowlan->patterns[i].pattern_len;
13190 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
13191 wowlan->patterns[i].mask) ||
13192 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13193 wowlan->patterns[i].pattern) ||
13194 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
13195 wowlan->patterns[i].pkt_offset))
13197 nla_nest_end(msg, nl_pat);
13199 nla_nest_end(msg, nl_pats);
13204 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
13205 struct cfg80211_wowlan_tcp *tcp)
13207 struct nlattr *nl_tcp;
13212 nl_tcp = nla_nest_start_noflag(msg,
13213 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
13217 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
13218 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
13219 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
13220 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
13221 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
13222 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
13223 tcp->payload_len, tcp->payload) ||
13224 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
13225 tcp->data_interval) ||
13226 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
13227 tcp->wake_len, tcp->wake_data) ||
13228 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
13229 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
13232 if (tcp->payload_seq.len &&
13233 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
13234 sizeof(tcp->payload_seq), &tcp->payload_seq))
13237 if (tcp->payload_tok.len &&
13238 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
13239 sizeof(tcp->payload_tok) + tcp->tokens_size,
13240 &tcp->payload_tok))
13243 nla_nest_end(msg, nl_tcp);
13248 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
13249 struct cfg80211_sched_scan_request *req)
13251 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
13257 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
13261 if (req->n_scan_plans == 1 &&
13262 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
13263 req->scan_plans[0].interval * 1000))
13266 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
13269 if (req->relative_rssi_set) {
13270 struct nl80211_bss_select_rssi_adjust rssi_adjust;
13272 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
13273 req->relative_rssi))
13276 rssi_adjust.band = req->rssi_adjust.band;
13277 rssi_adjust.delta = req->rssi_adjust.delta;
13278 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
13279 sizeof(rssi_adjust), &rssi_adjust))
13283 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
13287 for (i = 0; i < req->n_channels; i++) {
13288 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
13292 nla_nest_end(msg, freqs);
13294 if (req->n_match_sets) {
13295 matches = nla_nest_start_noflag(msg,
13296 NL80211_ATTR_SCHED_SCAN_MATCH);
13300 for (i = 0; i < req->n_match_sets; i++) {
13301 match = nla_nest_start_noflag(msg, i);
13305 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
13306 req->match_sets[i].ssid.ssid_len,
13307 req->match_sets[i].ssid.ssid))
13309 nla_nest_end(msg, match);
13311 nla_nest_end(msg, matches);
13314 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
13318 for (i = 0; i < req->n_scan_plans; i++) {
13319 scan_plan = nla_nest_start_noflag(msg, i + 1);
13323 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
13324 req->scan_plans[i].interval) ||
13325 (req->scan_plans[i].iterations &&
13326 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
13327 req->scan_plans[i].iterations)))
13329 nla_nest_end(msg, scan_plan);
13331 nla_nest_end(msg, scan_plans);
13333 nla_nest_end(msg, nd);
13338 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
13340 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13341 struct sk_buff *msg;
13343 u32 size = NLMSG_DEFAULT_SIZE;
13345 if (!rdev->wiphy.wowlan)
13346 return -EOPNOTSUPP;
13348 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
13349 /* adjust size to have room for all the data */
13350 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
13351 rdev->wiphy.wowlan_config->tcp->payload_len +
13352 rdev->wiphy.wowlan_config->tcp->wake_len +
13353 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
13356 msg = nlmsg_new(size, GFP_KERNEL);
13360 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13361 NL80211_CMD_GET_WOWLAN);
13363 goto nla_put_failure;
13365 if (rdev->wiphy.wowlan_config) {
13366 struct nlattr *nl_wowlan;
13368 nl_wowlan = nla_nest_start_noflag(msg,
13369 NL80211_ATTR_WOWLAN_TRIGGERS);
13371 goto nla_put_failure;
13373 if ((rdev->wiphy.wowlan_config->any &&
13374 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
13375 (rdev->wiphy.wowlan_config->disconnect &&
13376 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
13377 (rdev->wiphy.wowlan_config->magic_pkt &&
13378 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
13379 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
13380 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
13381 (rdev->wiphy.wowlan_config->eap_identity_req &&
13382 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
13383 (rdev->wiphy.wowlan_config->four_way_handshake &&
13384 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
13385 (rdev->wiphy.wowlan_config->rfkill_release &&
13386 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
13387 goto nla_put_failure;
13389 if (nl80211_send_wowlan_patterns(msg, rdev))
13390 goto nla_put_failure;
13392 if (nl80211_send_wowlan_tcp(msg,
13393 rdev->wiphy.wowlan_config->tcp))
13394 goto nla_put_failure;
13396 if (nl80211_send_wowlan_nd(
13398 rdev->wiphy.wowlan_config->nd_config))
13399 goto nla_put_failure;
13401 nla_nest_end(msg, nl_wowlan);
13404 genlmsg_end(msg, hdr);
13405 return genlmsg_reply(msg, info);
13412 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
13413 struct nlattr *attr,
13414 struct cfg80211_wowlan *trig)
13416 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
13417 struct cfg80211_wowlan_tcp *cfg;
13418 struct nl80211_wowlan_tcp_data_token *tok = NULL;
13419 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
13421 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
13424 if (!rdev->wiphy.wowlan->tcp)
13427 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
13428 nl80211_wowlan_tcp_policy, NULL);
13432 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
13433 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
13434 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
13435 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
13436 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
13437 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
13438 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
13439 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
13442 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
13443 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
13446 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
13447 rdev->wiphy.wowlan->tcp->data_interval_max ||
13448 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
13451 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
13452 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
13455 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
13456 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
13459 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
13460 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13462 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
13463 tokens_size = tokln - sizeof(*tok);
13465 if (!tok->len || tokens_size % tok->len)
13467 if (!rdev->wiphy.wowlan->tcp->tok)
13469 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
13471 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
13473 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
13475 if (tok->offset + tok->len > data_size)
13479 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
13480 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
13481 if (!rdev->wiphy.wowlan->tcp->seq)
13483 if (seq->len == 0 || seq->len > 4)
13485 if (seq->len + seq->offset > data_size)
13489 size = sizeof(*cfg);
13491 size += wake_size + wake_mask_size;
13492 size += tokens_size;
13494 cfg = kzalloc(size, GFP_KERNEL);
13497 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
13498 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
13499 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
13501 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
13502 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
13506 /* allocate a socket and port for it and use it */
13507 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
13508 IPPROTO_TCP, &cfg->sock, 1);
13513 if (inet_csk_get_port(cfg->sock->sk, port)) {
13514 sock_release(cfg->sock);
13516 return -EADDRINUSE;
13518 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
13524 cfg->src_port = port;
13527 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
13528 cfg->payload_len = data_size;
13529 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
13530 memcpy((void *)cfg->payload,
13531 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
13534 cfg->payload_seq = *seq;
13535 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
13536 cfg->wake_len = wake_size;
13537 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
13538 memcpy((void *)cfg->wake_data,
13539 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
13541 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
13542 data_size + wake_size;
13543 memcpy((void *)cfg->wake_mask,
13544 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
13547 cfg->tokens_size = tokens_size;
13548 cfg->payload_tok = *tok;
13549 memcpy(cfg->payload_tok.token_stream, tok->token_stream,
13558 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
13559 const struct wiphy_wowlan_support *wowlan,
13560 struct nlattr *attr,
13561 struct cfg80211_wowlan *trig)
13563 struct nlattr **tb;
13566 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
13570 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
13575 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
13576 nl80211_policy, NULL);
13580 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
13581 wowlan->max_nd_match_sets);
13582 err = PTR_ERR_OR_ZERO(trig->nd_config);
13584 trig->nd_config = NULL;
13591 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
13593 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13594 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
13595 struct cfg80211_wowlan new_triggers = {};
13596 struct cfg80211_wowlan *ntrig;
13597 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
13599 bool prev_enabled = rdev->wiphy.wowlan_config;
13600 bool regular = false;
13603 return -EOPNOTSUPP;
13605 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
13606 cfg80211_rdev_free_wowlan(rdev);
13607 rdev->wiphy.wowlan_config = NULL;
13611 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
13612 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
13613 nl80211_wowlan_policy, info->extack);
13617 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
13618 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
13620 new_triggers.any = true;
13623 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
13624 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
13626 new_triggers.disconnect = true;
13630 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
13631 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
13633 new_triggers.magic_pkt = true;
13637 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
13640 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
13641 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
13643 new_triggers.gtk_rekey_failure = true;
13647 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
13648 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
13650 new_triggers.eap_identity_req = true;
13654 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
13655 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
13657 new_triggers.four_way_handshake = true;
13661 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
13662 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
13664 new_triggers.rfkill_release = true;
13668 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
13669 struct nlattr *pat;
13670 int n_patterns = 0;
13671 int rem, pat_len, mask_len, pkt_offset;
13672 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13676 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13679 if (n_patterns > wowlan->n_patterns)
13682 new_triggers.patterns = kcalloc(n_patterns,
13683 sizeof(new_triggers.patterns[0]),
13685 if (!new_triggers.patterns)
13688 new_triggers.n_patterns = n_patterns;
13691 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
13695 err = nla_parse_nested_deprecated(pat_tb,
13696 MAX_NL80211_PKTPAT,
13698 nl80211_packet_pattern_policy,
13704 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13705 !pat_tb[NL80211_PKTPAT_PATTERN])
13707 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
13708 mask_len = DIV_ROUND_UP(pat_len, 8);
13709 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
13711 if (pat_len > wowlan->pattern_max_len ||
13712 pat_len < wowlan->pattern_min_len)
13715 if (!pat_tb[NL80211_PKTPAT_OFFSET])
13718 pkt_offset = nla_get_u32(
13719 pat_tb[NL80211_PKTPAT_OFFSET]);
13720 if (pkt_offset > wowlan->max_pkt_offset)
13722 new_triggers.patterns[i].pkt_offset = pkt_offset;
13724 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13729 new_triggers.patterns[i].mask = mask_pat;
13730 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
13732 mask_pat += mask_len;
13733 new_triggers.patterns[i].pattern = mask_pat;
13734 new_triggers.patterns[i].pattern_len = pat_len;
13736 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
13742 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
13744 err = nl80211_parse_wowlan_tcp(
13745 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
13751 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
13753 err = nl80211_parse_wowlan_nd(
13754 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
13760 /* The 'any' trigger means the device continues operating more or less
13761 * as in its normal operation mode and wakes up the host on most of the
13762 * normal interrupts (like packet RX, ...)
13763 * It therefore makes little sense to combine with the more constrained
13764 * wakeup trigger modes.
13766 if (new_triggers.any && regular) {
13771 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
13776 cfg80211_rdev_free_wowlan(rdev);
13777 rdev->wiphy.wowlan_config = ntrig;
13780 if (rdev->ops->set_wakeup &&
13781 prev_enabled != !!rdev->wiphy.wowlan_config)
13782 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
13786 for (i = 0; i < new_triggers.n_patterns; i++)
13787 kfree(new_triggers.patterns[i].mask);
13788 kfree(new_triggers.patterns);
13789 if (new_triggers.tcp && new_triggers.tcp->sock)
13790 sock_release(new_triggers.tcp->sock);
13791 kfree(new_triggers.tcp);
13792 kfree(new_triggers.nd_config);
13797 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
13798 struct cfg80211_registered_device *rdev)
13800 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
13802 struct cfg80211_coalesce_rules *rule;
13804 if (!rdev->coalesce->n_rules)
13807 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
13811 for (i = 0; i < rdev->coalesce->n_rules; i++) {
13812 nl_rule = nla_nest_start_noflag(msg, i + 1);
13816 rule = &rdev->coalesce->rules[i];
13817 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
13821 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
13825 nl_pats = nla_nest_start_noflag(msg,
13826 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
13830 for (j = 0; j < rule->n_patterns; j++) {
13831 nl_pat = nla_nest_start_noflag(msg, j + 1);
13834 pat_len = rule->patterns[j].pattern_len;
13835 if (nla_put(msg, NL80211_PKTPAT_MASK,
13836 DIV_ROUND_UP(pat_len, 8),
13837 rule->patterns[j].mask) ||
13838 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
13839 rule->patterns[j].pattern) ||
13840 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
13841 rule->patterns[j].pkt_offset))
13843 nla_nest_end(msg, nl_pat);
13845 nla_nest_end(msg, nl_pats);
13846 nla_nest_end(msg, nl_rule);
13848 nla_nest_end(msg, nl_rules);
13853 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
13855 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13856 struct sk_buff *msg;
13859 if (!rdev->wiphy.coalesce)
13860 return -EOPNOTSUPP;
13862 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13866 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13867 NL80211_CMD_GET_COALESCE);
13869 goto nla_put_failure;
13871 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
13872 goto nla_put_failure;
13874 genlmsg_end(msg, hdr);
13875 return genlmsg_reply(msg, info);
13882 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
13884 struct cfg80211_coalesce *coalesce = rdev->coalesce;
13886 struct cfg80211_coalesce_rules *rule;
13891 for (i = 0; i < coalesce->n_rules; i++) {
13892 rule = &coalesce->rules[i];
13893 for (j = 0; j < rule->n_patterns; j++)
13894 kfree(rule->patterns[j].mask);
13895 kfree(rule->patterns);
13897 kfree(coalesce->rules);
13899 rdev->coalesce = NULL;
13902 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
13903 struct nlattr *rule,
13904 struct cfg80211_coalesce_rules *new_rule)
13907 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13908 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
13909 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
13910 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13912 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
13913 rule, nl80211_coalesce_policy, NULL);
13917 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
13919 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
13920 if (new_rule->delay > coalesce->max_delay)
13923 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
13924 new_rule->condition =
13925 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
13927 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
13930 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13933 if (n_patterns > coalesce->n_patterns)
13936 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
13938 if (!new_rule->patterns)
13941 new_rule->n_patterns = n_patterns;
13944 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13948 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
13950 nl80211_packet_pattern_policy,
13955 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13956 !pat_tb[NL80211_PKTPAT_PATTERN])
13958 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
13959 mask_len = DIV_ROUND_UP(pat_len, 8);
13960 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
13962 if (pat_len > coalesce->pattern_max_len ||
13963 pat_len < coalesce->pattern_min_len)
13966 if (!pat_tb[NL80211_PKTPAT_OFFSET])
13969 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
13970 if (pkt_offset > coalesce->max_pkt_offset)
13972 new_rule->patterns[i].pkt_offset = pkt_offset;
13974 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13978 new_rule->patterns[i].mask = mask_pat;
13979 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
13982 mask_pat += mask_len;
13983 new_rule->patterns[i].pattern = mask_pat;
13984 new_rule->patterns[i].pattern_len = pat_len;
13985 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
13993 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
13995 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13996 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13997 struct cfg80211_coalesce new_coalesce = {};
13998 struct cfg80211_coalesce *n_coalesce;
13999 int err, rem_rule, n_rules = 0, i, j;
14000 struct nlattr *rule;
14001 struct cfg80211_coalesce_rules *tmp_rule;
14003 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
14004 return -EOPNOTSUPP;
14006 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
14007 cfg80211_rdev_free_coalesce(rdev);
14008 rdev_set_coalesce(rdev, NULL);
14012 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
14015 if (n_rules > coalesce->n_rules)
14018 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
14020 if (!new_coalesce.rules)
14023 new_coalesce.n_rules = n_rules;
14026 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
14028 err = nl80211_parse_coalesce_rule(rdev, rule,
14029 &new_coalesce.rules[i]);
14036 err = rdev_set_coalesce(rdev, &new_coalesce);
14040 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
14045 cfg80211_rdev_free_coalesce(rdev);
14046 rdev->coalesce = n_coalesce;
14050 for (i = 0; i < new_coalesce.n_rules; i++) {
14051 tmp_rule = &new_coalesce.rules[i];
14052 for (j = 0; j < tmp_rule->n_patterns; j++)
14053 kfree(tmp_rule->patterns[j].mask);
14054 kfree(tmp_rule->patterns);
14056 kfree(new_coalesce.rules);
14061 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
14063 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14064 struct net_device *dev = info->user_ptr[1];
14065 struct wireless_dev *wdev = dev->ieee80211_ptr;
14066 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
14067 struct cfg80211_gtk_rekey_data rekey_data = {};
14070 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
14073 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
14074 info->attrs[NL80211_ATTR_REKEY_DATA],
14075 nl80211_rekey_policy, info->extack);
14079 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
14080 !tb[NL80211_REKEY_DATA_KCK])
14082 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
14083 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
14084 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
14086 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
14087 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
14088 nla_len(tb[NL80211_REKEY_DATA_KCK]) == NL80211_KCK_EXT_LEN) &&
14089 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KCK_32 &&
14090 nla_len(tb[NL80211_REKEY_DATA_KCK]) == NL80211_KCK_EXT_LEN_32))
14093 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
14094 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
14095 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
14096 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
14097 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
14098 if (tb[NL80211_REKEY_DATA_AKM])
14099 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
14102 if (!wdev->connected) {
14107 if (!rdev->ops->set_rekey_data) {
14112 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
14118 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
14119 struct genl_info *info)
14121 struct net_device *dev = info->user_ptr[1];
14122 struct wireless_dev *wdev = dev->ieee80211_ptr;
14124 if (wdev->iftype != NL80211_IFTYPE_AP &&
14125 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14128 if (wdev->ap_unexpected_nlportid)
14131 wdev->ap_unexpected_nlportid = info->snd_portid;
14135 static int nl80211_probe_client(struct sk_buff *skb,
14136 struct genl_info *info)
14138 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14139 struct net_device *dev = info->user_ptr[1];
14140 struct wireless_dev *wdev = dev->ieee80211_ptr;
14141 struct sk_buff *msg;
14147 if (wdev->iftype != NL80211_IFTYPE_AP &&
14148 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14149 return -EOPNOTSUPP;
14151 if (!info->attrs[NL80211_ATTR_MAC])
14154 if (!rdev->ops->probe_client)
14155 return -EOPNOTSUPP;
14157 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14161 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14162 NL80211_CMD_PROBE_CLIENT);
14168 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14170 err = rdev_probe_client(rdev, dev, addr, &cookie);
14174 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14176 goto nla_put_failure;
14178 genlmsg_end(msg, hdr);
14180 return genlmsg_reply(msg, info);
14189 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
14191 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14192 struct cfg80211_beacon_registration *reg, *nreg;
14195 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
14196 return -EOPNOTSUPP;
14198 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
14202 /* First, check if already registered. */
14203 spin_lock_bh(&rdev->beacon_registrations_lock);
14204 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
14205 if (reg->nlportid == info->snd_portid) {
14210 /* Add it to the list */
14211 nreg->nlportid = info->snd_portid;
14212 list_add(&nreg->list, &rdev->beacon_registrations);
14214 spin_unlock_bh(&rdev->beacon_registrations_lock);
14218 spin_unlock_bh(&rdev->beacon_registrations_lock);
14223 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
14225 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14226 struct wireless_dev *wdev = info->user_ptr[1];
14229 if (!rdev->ops->start_p2p_device)
14230 return -EOPNOTSUPP;
14232 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
14233 return -EOPNOTSUPP;
14235 if (wdev_running(wdev))
14238 if (rfkill_blocked(rdev->wiphy.rfkill))
14241 err = rdev_start_p2p_device(rdev, wdev);
14245 wdev->is_running = true;
14251 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
14253 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14254 struct wireless_dev *wdev = info->user_ptr[1];
14256 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
14257 return -EOPNOTSUPP;
14259 if (!rdev->ops->stop_p2p_device)
14260 return -EOPNOTSUPP;
14262 cfg80211_stop_p2p_device(rdev, wdev);
14267 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
14269 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14270 struct wireless_dev *wdev = info->user_ptr[1];
14271 struct cfg80211_nan_conf conf = {};
14274 if (wdev->iftype != NL80211_IFTYPE_NAN)
14275 return -EOPNOTSUPP;
14277 if (wdev_running(wdev))
14280 if (rfkill_blocked(rdev->wiphy.rfkill))
14283 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
14287 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14289 if (info->attrs[NL80211_ATTR_BANDS]) {
14290 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14292 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14293 return -EOPNOTSUPP;
14295 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14298 conf.bands = bands;
14301 err = rdev_start_nan(rdev, wdev, &conf);
14305 wdev->is_running = true;
14311 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
14313 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14314 struct wireless_dev *wdev = info->user_ptr[1];
14316 if (wdev->iftype != NL80211_IFTYPE_NAN)
14317 return -EOPNOTSUPP;
14319 cfg80211_stop_nan(rdev, wdev);
14324 static int validate_nan_filter(struct nlattr *filter_attr)
14326 struct nlattr *attr;
14327 int len = 0, n_entries = 0, rem;
14329 nla_for_each_nested(attr, filter_attr, rem) {
14330 len += nla_len(attr);
14340 static int handle_nan_filter(struct nlattr *attr_filter,
14341 struct cfg80211_nan_func *func,
14344 struct nlattr *attr;
14345 int n_entries, rem, i;
14346 struct cfg80211_nan_func_filter *filter;
14348 n_entries = validate_nan_filter(attr_filter);
14352 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
14354 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
14359 nla_for_each_nested(attr, attr_filter, rem) {
14360 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
14361 if (!filter[i].filter)
14364 filter[i].len = nla_len(attr);
14368 func->num_tx_filters = n_entries;
14369 func->tx_filters = filter;
14371 func->num_rx_filters = n_entries;
14372 func->rx_filters = filter;
14379 nla_for_each_nested(attr, attr_filter, rem) {
14380 kfree(filter[i].filter);
14387 static int nl80211_nan_add_func(struct sk_buff *skb,
14388 struct genl_info *info)
14390 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14391 struct wireless_dev *wdev = info->user_ptr[1];
14392 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
14393 struct cfg80211_nan_func *func;
14394 struct sk_buff *msg = NULL;
14398 if (wdev->iftype != NL80211_IFTYPE_NAN)
14399 return -EOPNOTSUPP;
14401 if (!wdev_running(wdev))
14404 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
14407 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
14408 info->attrs[NL80211_ATTR_NAN_FUNC],
14409 nl80211_nan_func_policy,
14414 func = kzalloc(sizeof(*func), GFP_KERNEL);
14418 func->cookie = cfg80211_assign_cookie(rdev);
14420 if (!tb[NL80211_NAN_FUNC_TYPE]) {
14426 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
14428 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
14433 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
14434 sizeof(func->service_id));
14436 func->close_range =
14437 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
14439 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
14440 func->serv_spec_info_len =
14441 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
14442 func->serv_spec_info =
14443 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
14444 func->serv_spec_info_len,
14446 if (!func->serv_spec_info) {
14452 if (tb[NL80211_NAN_FUNC_TTL])
14453 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
14455 switch (func->type) {
14456 case NL80211_NAN_FUNC_PUBLISH:
14457 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
14462 func->publish_type =
14463 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
14464 func->publish_bcast =
14465 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
14467 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
14468 func->publish_bcast) {
14473 case NL80211_NAN_FUNC_SUBSCRIBE:
14474 func->subscribe_active =
14475 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
14477 case NL80211_NAN_FUNC_FOLLOW_UP:
14478 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
14479 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
14480 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
14485 func->followup_id =
14486 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
14487 func->followup_reqid =
14488 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
14489 memcpy(func->followup_dest.addr,
14490 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
14491 sizeof(func->followup_dest.addr));
14502 if (tb[NL80211_NAN_FUNC_SRF]) {
14503 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
14505 err = nla_parse_nested_deprecated(srf_tb,
14506 NL80211_NAN_SRF_ATTR_MAX,
14507 tb[NL80211_NAN_FUNC_SRF],
14508 nl80211_nan_srf_policy,
14513 func->srf_include =
14514 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
14516 if (srf_tb[NL80211_NAN_SRF_BF]) {
14517 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
14518 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
14524 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
14526 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
14527 func->srf_bf_len, GFP_KERNEL);
14528 if (!func->srf_bf) {
14534 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
14536 struct nlattr *attr, *mac_attr =
14537 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
14538 int n_entries, rem, i = 0;
14545 n_entries = validate_acl_mac_addrs(mac_attr);
14546 if (n_entries <= 0) {
14551 func->srf_num_macs = n_entries;
14553 kcalloc(n_entries, sizeof(*func->srf_macs),
14555 if (!func->srf_macs) {
14560 nla_for_each_nested(attr, mac_attr, rem)
14561 memcpy(func->srf_macs[i++].addr, nla_data(attr),
14562 sizeof(*func->srf_macs));
14566 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
14567 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
14573 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
14574 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
14580 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14586 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14587 NL80211_CMD_ADD_NAN_FUNCTION);
14588 /* This can't really happen - we just allocated 4KB */
14589 if (WARN_ON(!hdr)) {
14594 err = rdev_add_nan_func(rdev, wdev, func);
14597 cfg80211_free_nan_func(func);
14602 /* propagate the instance id and cookie to userspace */
14603 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
14605 goto nla_put_failure;
14607 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
14609 goto nla_put_failure;
14611 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
14612 func->instance_id))
14613 goto nla_put_failure;
14615 nla_nest_end(msg, func_attr);
14617 genlmsg_end(msg, hdr);
14618 return genlmsg_reply(msg, info);
14625 static int nl80211_nan_del_func(struct sk_buff *skb,
14626 struct genl_info *info)
14628 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14629 struct wireless_dev *wdev = info->user_ptr[1];
14632 if (wdev->iftype != NL80211_IFTYPE_NAN)
14633 return -EOPNOTSUPP;
14635 if (!wdev_running(wdev))
14638 if (!info->attrs[NL80211_ATTR_COOKIE])
14641 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
14643 rdev_del_nan_func(rdev, wdev, cookie);
14648 static int nl80211_nan_change_config(struct sk_buff *skb,
14649 struct genl_info *info)
14651 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14652 struct wireless_dev *wdev = info->user_ptr[1];
14653 struct cfg80211_nan_conf conf = {};
14656 if (wdev->iftype != NL80211_IFTYPE_NAN)
14657 return -EOPNOTSUPP;
14659 if (!wdev_running(wdev))
14662 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
14664 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
14665 if (conf.master_pref <= 1 || conf.master_pref == 255)
14668 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
14671 if (info->attrs[NL80211_ATTR_BANDS]) {
14672 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
14674 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
14675 return -EOPNOTSUPP;
14677 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
14680 conf.bands = bands;
14681 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
14687 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
14690 void cfg80211_nan_match(struct wireless_dev *wdev,
14691 struct cfg80211_nan_match_params *match, gfp_t gfp)
14693 struct wiphy *wiphy = wdev->wiphy;
14694 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14695 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
14696 struct sk_buff *msg;
14699 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
14702 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14706 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
14712 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14713 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14714 wdev->netdev->ifindex)) ||
14715 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14717 goto nla_put_failure;
14719 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
14720 NL80211_ATTR_PAD) ||
14721 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
14722 goto nla_put_failure;
14724 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
14726 goto nla_put_failure;
14728 local_func_attr = nla_nest_start_noflag(msg,
14729 NL80211_NAN_MATCH_FUNC_LOCAL);
14730 if (!local_func_attr)
14731 goto nla_put_failure;
14733 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
14734 goto nla_put_failure;
14736 nla_nest_end(msg, local_func_attr);
14738 peer_func_attr = nla_nest_start_noflag(msg,
14739 NL80211_NAN_MATCH_FUNC_PEER);
14740 if (!peer_func_attr)
14741 goto nla_put_failure;
14743 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
14744 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
14745 goto nla_put_failure;
14747 if (match->info && match->info_len &&
14748 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
14750 goto nla_put_failure;
14752 nla_nest_end(msg, peer_func_attr);
14753 nla_nest_end(msg, match_attr);
14754 genlmsg_end(msg, hdr);
14756 if (!wdev->owner_nlportid)
14757 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14758 msg, 0, NL80211_MCGRP_NAN, gfp);
14760 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14761 wdev->owner_nlportid);
14768 EXPORT_SYMBOL(cfg80211_nan_match);
14770 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
14772 enum nl80211_nan_func_term_reason reason,
14773 u64 cookie, gfp_t gfp)
14775 struct wiphy *wiphy = wdev->wiphy;
14776 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14777 struct sk_buff *msg;
14778 struct nlattr *func_attr;
14781 if (WARN_ON(!inst_id))
14784 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14788 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
14794 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14795 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14796 wdev->netdev->ifindex)) ||
14797 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14799 goto nla_put_failure;
14801 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14803 goto nla_put_failure;
14805 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
14807 goto nla_put_failure;
14809 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
14810 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
14811 goto nla_put_failure;
14813 nla_nest_end(msg, func_attr);
14814 genlmsg_end(msg, hdr);
14816 if (!wdev->owner_nlportid)
14817 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
14818 msg, 0, NL80211_MCGRP_NAN, gfp);
14820 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
14821 wdev->owner_nlportid);
14828 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
14830 static int nl80211_get_protocol_features(struct sk_buff *skb,
14831 struct genl_info *info)
14834 struct sk_buff *msg;
14836 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14840 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14841 NL80211_CMD_GET_PROTOCOL_FEATURES);
14843 goto nla_put_failure;
14845 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
14846 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
14847 goto nla_put_failure;
14849 genlmsg_end(msg, hdr);
14850 return genlmsg_reply(msg, info);
14857 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
14859 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14860 struct cfg80211_update_ft_ies_params ft_params;
14861 struct net_device *dev = info->user_ptr[1];
14863 if (!rdev->ops->update_ft_ies)
14864 return -EOPNOTSUPP;
14866 if (!info->attrs[NL80211_ATTR_MDID] ||
14867 !info->attrs[NL80211_ATTR_IE])
14870 memset(&ft_params, 0, sizeof(ft_params));
14871 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
14872 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14873 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14875 return rdev_update_ft_ies(rdev, dev, &ft_params);
14878 static int nl80211_crit_protocol_start(struct sk_buff *skb,
14879 struct genl_info *info)
14881 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14882 struct wireless_dev *wdev = info->user_ptr[1];
14883 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
14887 if (!rdev->ops->crit_proto_start)
14888 return -EOPNOTSUPP;
14890 if (WARN_ON(!rdev->ops->crit_proto_stop))
14893 if (rdev->crit_proto_nlportid)
14896 /* determine protocol if provided */
14897 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
14898 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
14900 if (proto >= NUM_NL80211_CRIT_PROTO)
14903 /* timeout must be provided */
14904 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
14908 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
14910 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
14912 rdev->crit_proto_nlportid = info->snd_portid;
14917 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
14918 struct genl_info *info)
14920 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14921 struct wireless_dev *wdev = info->user_ptr[1];
14923 if (!rdev->ops->crit_proto_stop)
14924 return -EOPNOTSUPP;
14926 if (rdev->crit_proto_nlportid) {
14927 rdev->crit_proto_nlportid = 0;
14928 rdev_crit_proto_stop(rdev, wdev);
14933 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
14934 struct nlattr *attr,
14935 struct netlink_ext_ack *extack)
14937 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
14938 if (attr->nla_type & NLA_F_NESTED) {
14939 NL_SET_ERR_MSG_ATTR(extack, attr,
14940 "unexpected nested data");
14947 if (!(attr->nla_type & NLA_F_NESTED)) {
14948 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
14952 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
14955 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
14957 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14958 struct wireless_dev *wdev =
14959 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
14964 if (!rdev->wiphy.vendor_commands)
14965 return -EOPNOTSUPP;
14967 if (IS_ERR(wdev)) {
14968 err = PTR_ERR(wdev);
14969 if (err != -EINVAL)
14972 } else if (wdev->wiphy != &rdev->wiphy) {
14976 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
14977 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
14980 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
14981 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
14982 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
14983 const struct wiphy_vendor_command *vcmd;
14987 vcmd = &rdev->wiphy.vendor_commands[i];
14989 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
14992 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
14993 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
14996 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
15000 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
15001 if (!wdev_running(wdev))
15009 return -EOPNOTSUPP;
15011 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
15012 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
15013 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
15015 err = nl80211_vendor_check_policy(vcmd,
15016 info->attrs[NL80211_ATTR_VENDOR_DATA],
15022 rdev->cur_cmd_info = info;
15023 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
15024 rdev->cur_cmd_info = NULL;
15028 return -EOPNOTSUPP;
15031 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
15032 struct netlink_callback *cb,
15033 struct cfg80211_registered_device **rdev,
15034 struct wireless_dev **wdev)
15036 struct nlattr **attrbuf;
15042 unsigned int data_len = 0;
15045 /* subtract the 1 again here */
15046 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
15047 struct wireless_dev *tmp;
15051 *rdev = wiphy_to_rdev(wiphy);
15055 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
15056 if (tmp->identifier == cb->args[1] - 1) {
15063 /* keep rtnl locked in successful case */
15067 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
15071 err = nlmsg_parse_deprecated(cb->nlh,
15072 GENL_HDRLEN + nl80211_fam.hdrsize,
15073 attrbuf, nl80211_fam.maxattr,
15074 nl80211_policy, NULL);
15078 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
15079 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
15084 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
15088 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
15089 if (IS_ERR(*rdev)) {
15090 err = PTR_ERR(*rdev);
15094 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
15095 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
15097 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
15098 const struct wiphy_vendor_command *vcmd;
15100 vcmd = &(*rdev)->wiphy.vendor_commands[i];
15102 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
15105 if (!vcmd->dumpit) {
15114 if (vcmd_idx < 0) {
15119 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
15120 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
15121 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
15123 err = nl80211_vendor_check_policy(
15124 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
15125 attrbuf[NL80211_ATTR_VENDOR_DATA],
15131 /* 0 is the first index - add 1 to parse only once */
15132 cb->args[0] = (*rdev)->wiphy_idx + 1;
15133 /* add 1 to know if it was NULL */
15134 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
15135 cb->args[2] = vcmd_idx;
15136 cb->args[3] = (unsigned long)data;
15137 cb->args[4] = data_len;
15139 /* keep rtnl locked in successful case */
15146 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
15147 struct netlink_callback *cb)
15149 struct cfg80211_registered_device *rdev;
15150 struct wireless_dev *wdev;
15151 unsigned int vcmd_idx;
15152 const struct wiphy_vendor_command *vcmd;
15156 struct nlattr *vendor_data;
15159 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
15163 vcmd_idx = cb->args[2];
15164 data = (void *)cb->args[3];
15165 data_len = cb->args[4];
15166 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
15168 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
15169 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
15174 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
15180 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
15181 if (!wdev_running(wdev)) {
15189 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
15190 cb->nlh->nlmsg_seq, NLM_F_MULTI,
15191 NL80211_CMD_VENDOR);
15195 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15196 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
15198 NL80211_ATTR_PAD))) {
15199 genlmsg_cancel(skb, hdr);
15203 vendor_data = nla_nest_start_noflag(skb,
15204 NL80211_ATTR_VENDOR_DATA);
15205 if (!vendor_data) {
15206 genlmsg_cancel(skb, hdr);
15210 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
15211 (unsigned long *)&cb->args[5]);
15212 nla_nest_end(skb, vendor_data);
15214 if (err == -ENOBUFS || err == -ENOENT) {
15215 genlmsg_cancel(skb, hdr);
15217 } else if (err <= 0) {
15218 genlmsg_cancel(skb, hdr);
15222 genlmsg_end(skb, hdr);
15231 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
15232 enum nl80211_commands cmd,
15233 enum nl80211_attrs attr,
15236 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15238 if (WARN_ON(!rdev->cur_cmd_info))
15241 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
15242 rdev->cur_cmd_info->snd_portid,
15243 rdev->cur_cmd_info->snd_seq,
15244 cmd, attr, NULL, GFP_KERNEL);
15246 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
15248 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
15250 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
15251 void *hdr = ((void **)skb->cb)[1];
15252 struct nlattr *data = ((void **)skb->cb)[2];
15254 /* clear CB data for netlink core to own from now on */
15255 memset(skb->cb, 0, sizeof(skb->cb));
15257 if (WARN_ON(!rdev->cur_cmd_info)) {
15262 nla_nest_end(skb, data);
15263 genlmsg_end(skb, hdr);
15264 return genlmsg_reply(skb, rdev->cur_cmd_info);
15266 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
15268 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
15270 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15272 if (WARN_ON(!rdev->cur_cmd_info))
15275 return rdev->cur_cmd_info->snd_portid;
15277 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
15279 static int nl80211_set_qos_map(struct sk_buff *skb,
15280 struct genl_info *info)
15282 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15283 struct cfg80211_qos_map *qos_map = NULL;
15284 struct net_device *dev = info->user_ptr[1];
15285 u8 *pos, len, num_des, des_len, des;
15288 if (!rdev->ops->set_qos_map)
15289 return -EOPNOTSUPP;
15291 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
15292 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
15293 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
15298 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
15302 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
15304 des_len = num_des *
15305 sizeof(struct cfg80211_dscp_exception);
15306 memcpy(qos_map->dscp_exception, pos, des_len);
15307 qos_map->num_des = num_des;
15308 for (des = 0; des < num_des; des++) {
15309 if (qos_map->dscp_exception[des].up > 7) {
15316 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
15319 wdev_lock(dev->ieee80211_ptr);
15320 ret = nl80211_key_allowed(dev->ieee80211_ptr);
15322 ret = rdev_set_qos_map(rdev, dev, qos_map);
15323 wdev_unlock(dev->ieee80211_ptr);
15329 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
15331 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15332 struct net_device *dev = info->user_ptr[1];
15333 struct wireless_dev *wdev = dev->ieee80211_ptr;
15336 u16 admitted_time = 0;
15339 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
15340 return -EOPNOTSUPP;
15342 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
15343 !info->attrs[NL80211_ATTR_USER_PRIO])
15346 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15347 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
15349 /* WMM uses TIDs 0-7 even for TSPEC */
15350 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
15351 /* TODO: handle 802.11 TSPEC/admission control
15352 * need more attributes for that (e.g. BA session requirement);
15353 * change the WMM adminssion test above to allow both then
15358 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15360 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
15362 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
15363 if (!admitted_time)
15368 switch (wdev->iftype) {
15369 case NL80211_IFTYPE_STATION:
15370 case NL80211_IFTYPE_P2P_CLIENT:
15371 if (wdev->connected)
15380 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
15387 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
15389 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15390 struct net_device *dev = info->user_ptr[1];
15391 struct wireless_dev *wdev = dev->ieee80211_ptr;
15396 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
15399 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
15400 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15403 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
15409 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
15410 struct genl_info *info)
15412 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15413 struct net_device *dev = info->user_ptr[1];
15414 struct wireless_dev *wdev = dev->ieee80211_ptr;
15415 struct cfg80211_chan_def chandef = {};
15420 if (!rdev->ops->tdls_channel_switch ||
15421 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15422 return -EOPNOTSUPP;
15424 switch (dev->ieee80211_ptr->iftype) {
15425 case NL80211_IFTYPE_STATION:
15426 case NL80211_IFTYPE_P2P_CLIENT:
15429 return -EOPNOTSUPP;
15432 if (!info->attrs[NL80211_ATTR_MAC] ||
15433 !info->attrs[NL80211_ATTR_OPER_CLASS])
15436 err = nl80211_parse_chandef(rdev, info, &chandef);
15441 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
15442 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
15443 * specification is not defined for them.
15445 if (chandef.chan->band == NL80211_BAND_2GHZ &&
15446 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
15447 chandef.width != NL80211_CHAN_WIDTH_20)
15450 /* we will be active on the TDLS link */
15451 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
15455 /* don't allow switching to DFS channels */
15456 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
15459 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15460 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
15463 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
15469 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
15470 struct genl_info *info)
15472 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15473 struct net_device *dev = info->user_ptr[1];
15474 struct wireless_dev *wdev = dev->ieee80211_ptr;
15477 if (!rdev->ops->tdls_channel_switch ||
15478 !rdev->ops->tdls_cancel_channel_switch ||
15479 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
15480 return -EOPNOTSUPP;
15482 switch (dev->ieee80211_ptr->iftype) {
15483 case NL80211_IFTYPE_STATION:
15484 case NL80211_IFTYPE_P2P_CLIENT:
15487 return -EOPNOTSUPP;
15490 if (!info->attrs[NL80211_ATTR_MAC])
15493 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15496 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
15502 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
15503 struct genl_info *info)
15505 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15506 struct net_device *dev = info->user_ptr[1];
15507 struct wireless_dev *wdev = dev->ieee80211_ptr;
15508 const struct nlattr *nla;
15511 if (!rdev->ops->set_multicast_to_unicast)
15512 return -EOPNOTSUPP;
15514 if (wdev->iftype != NL80211_IFTYPE_AP &&
15515 wdev->iftype != NL80211_IFTYPE_P2P_GO)
15516 return -EOPNOTSUPP;
15518 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
15519 enabled = nla_get_flag(nla);
15521 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
15524 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
15526 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15527 struct net_device *dev = info->user_ptr[1];
15528 struct wireless_dev *wdev = dev->ieee80211_ptr;
15529 struct cfg80211_pmk_conf pmk_conf = {};
15532 if (wdev->iftype != NL80211_IFTYPE_STATION &&
15533 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
15534 return -EOPNOTSUPP;
15536 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15537 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
15538 return -EOPNOTSUPP;
15540 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
15544 if (!wdev->connected) {
15549 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
15550 if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN)) {
15555 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
15556 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
15557 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
15558 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
15563 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
15564 pmk_conf.pmk_r0_name =
15565 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
15567 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
15573 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
15575 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15576 struct net_device *dev = info->user_ptr[1];
15577 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])
15593 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
15594 ret = rdev_del_pmk(rdev, dev, aa);
15600 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
15602 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15603 struct net_device *dev = info->user_ptr[1];
15604 struct cfg80211_external_auth_params params;
15606 if (!rdev->ops->external_auth)
15607 return -EOPNOTSUPP;
15609 if (!info->attrs[NL80211_ATTR_SSID] &&
15610 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
15611 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
15614 if (!info->attrs[NL80211_ATTR_BSSID])
15617 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
15620 memset(¶ms, 0, sizeof(params));
15622 if (info->attrs[NL80211_ATTR_SSID]) {
15623 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
15624 if (params.ssid.ssid_len == 0)
15626 memcpy(params.ssid.ssid,
15627 nla_data(info->attrs[NL80211_ATTR_SSID]),
15628 params.ssid.ssid_len);
15631 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
15634 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15636 if (info->attrs[NL80211_ATTR_PMKID])
15637 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
15639 return rdev_external_auth(rdev, dev, ¶ms);
15642 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
15644 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
15645 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15646 struct net_device *dev = info->user_ptr[1];
15647 struct wireless_dev *wdev = dev->ieee80211_ptr;
15657 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15658 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
15659 return -EOPNOTSUPP;
15661 if (!rdev->ops->tx_control_port)
15662 return -EOPNOTSUPP;
15664 if (!info->attrs[NL80211_ATTR_FRAME] ||
15665 !info->attrs[NL80211_ATTR_MAC] ||
15666 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
15667 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
15673 switch (wdev->iftype) {
15674 case NL80211_IFTYPE_AP:
15675 case NL80211_IFTYPE_P2P_GO:
15676 case NL80211_IFTYPE_MESH_POINT:
15678 case NL80211_IFTYPE_ADHOC:
15679 if (wdev->u.ibss.current_bss)
15683 case NL80211_IFTYPE_STATION:
15684 case NL80211_IFTYPE_P2P_CLIENT:
15685 if (wdev->connected)
15696 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15697 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15698 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15699 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
15701 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
15703 link_id = nl80211_link_id_or_invalid(info->attrs);
15705 err = rdev_tx_control_port(rdev, dev, buf, len,
15706 dest, cpu_to_be16(proto), noencrypt, link_id,
15707 dont_wait_for_ack ? NULL : &cookie);
15708 if (!err && !dont_wait_for_ack)
15709 nl_set_extack_cookie_u64(info->extack, cookie);
15716 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
15717 struct genl_info *info)
15719 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15720 struct net_device *dev = info->user_ptr[1];
15721 struct wireless_dev *wdev = dev->ieee80211_ptr;
15722 struct cfg80211_ftm_responder_stats ftm_stats = {};
15723 unsigned int link_id = nl80211_link_id(info->attrs);
15724 struct sk_buff *msg;
15726 struct nlattr *ftm_stats_attr;
15729 if (wdev->iftype != NL80211_IFTYPE_AP ||
15730 !wdev->links[link_id].ap.beacon_interval)
15731 return -EOPNOTSUPP;
15733 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
15737 if (!ftm_stats.filled)
15740 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15744 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
15745 NL80211_CMD_GET_FTM_RESPONDER_STATS);
15747 goto nla_put_failure;
15749 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15750 goto nla_put_failure;
15752 ftm_stats_attr = nla_nest_start_noflag(msg,
15753 NL80211_ATTR_FTM_RESPONDER_STATS);
15754 if (!ftm_stats_attr)
15755 goto nla_put_failure;
15757 #define SET_FTM(field, name, type) \
15758 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15759 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
15760 ftm_stats.field)) \
15761 goto nla_put_failure; } while (0)
15762 #define SET_FTM_U64(field, name) \
15763 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
15764 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
15765 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
15766 goto nla_put_failure; } while (0)
15768 SET_FTM(success_num, SUCCESS_NUM, u32);
15769 SET_FTM(partial_num, PARTIAL_NUM, u32);
15770 SET_FTM(failed_num, FAILED_NUM, u32);
15771 SET_FTM(asap_num, ASAP_NUM, u32);
15772 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
15773 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
15774 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
15775 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
15776 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
15779 nla_nest_end(msg, ftm_stats_attr);
15781 genlmsg_end(msg, hdr);
15782 return genlmsg_reply(msg, info);
15789 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
15791 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15792 struct cfg80211_update_owe_info owe_info;
15793 struct net_device *dev = info->user_ptr[1];
15795 if (!rdev->ops->update_owe_info)
15796 return -EOPNOTSUPP;
15798 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
15799 !info->attrs[NL80211_ATTR_MAC])
15802 memset(&owe_info, 0, sizeof(owe_info));
15803 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
15804 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
15806 if (info->attrs[NL80211_ATTR_IE]) {
15807 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
15808 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
15811 return rdev_update_owe_info(rdev, dev, &owe_info);
15814 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
15816 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15817 struct net_device *dev = info->user_ptr[1];
15818 struct wireless_dev *wdev = dev->ieee80211_ptr;
15819 struct station_info sinfo = {};
15825 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
15826 return -EOPNOTSUPP;
15828 if (!info->attrs[NL80211_ATTR_MAC] ||
15829 !info->attrs[NL80211_ATTR_FRAME]) {
15830 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
15834 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
15835 return -EOPNOTSUPP;
15837 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
15838 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
15839 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
15841 if (len < sizeof(struct ethhdr))
15844 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
15845 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
15848 err = rdev_get_station(rdev, dev, dest, &sinfo);
15852 cfg80211_sinfo_release_content(&sinfo);
15854 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
15857 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
15858 struct nlattr *attrs[], struct net_device *dev,
15859 struct cfg80211_tid_cfg *tid_conf,
15860 struct genl_info *info, const u8 *peer,
15861 unsigned int link_id)
15863 struct netlink_ext_ack *extack = info->extack;
15867 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
15870 tid_conf->config_override =
15871 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
15872 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
15874 if (tid_conf->config_override) {
15875 if (rdev->ops->reset_tid_config) {
15876 err = rdev_reset_tid_config(rdev, dev, peer,
15885 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
15886 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
15888 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
15891 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
15892 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
15893 tid_conf->retry_short =
15894 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
15896 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
15900 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
15901 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
15902 tid_conf->retry_long =
15903 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
15905 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
15909 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
15910 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
15912 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
15915 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
15916 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
15918 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
15921 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
15922 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
15924 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
15927 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
15928 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
15930 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
15932 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
15933 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
15934 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
15935 &tid_conf->txrate_mask, dev,
15940 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
15942 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
15946 mask = rdev->wiphy.tid_config_support.peer;
15948 mask = rdev->wiphy.tid_config_support.vif;
15950 if (tid_conf->mask & ~mask) {
15951 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
15958 static int nl80211_set_tid_config(struct sk_buff *skb,
15959 struct genl_info *info)
15961 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15962 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
15963 unsigned int link_id = nl80211_link_id(info->attrs);
15964 struct net_device *dev = info->user_ptr[1];
15965 struct cfg80211_tid_config *tid_config;
15966 struct nlattr *tid;
15967 int conf_idx = 0, rem_conf;
15971 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
15974 if (!rdev->ops->set_tid_config)
15975 return -EOPNOTSUPP;
15977 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15981 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
15986 tid_config->n_tid_conf = num_conf;
15988 if (info->attrs[NL80211_ATTR_MAC])
15989 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15991 wdev_lock(dev->ieee80211_ptr);
15993 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15995 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
16001 ret = parse_tid_conf(rdev, attrs, dev,
16002 &tid_config->tid_conf[conf_idx],
16003 info, tid_config->peer, link_id);
16010 ret = rdev_set_tid_config(rdev, dev, tid_config);
16014 wdev_unlock(dev->ieee80211_ptr);
16018 static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info)
16020 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16021 struct cfg80211_color_change_settings params = {};
16022 struct net_device *dev = info->user_ptr[1];
16023 struct wireless_dev *wdev = dev->ieee80211_ptr;
16024 struct nlattr **tb;
16028 if (!rdev->ops->color_change)
16029 return -EOPNOTSUPP;
16031 if (!wiphy_ext_feature_isset(&rdev->wiphy,
16032 NL80211_EXT_FEATURE_BSS_COLOR))
16033 return -EOPNOTSUPP;
16035 if (wdev->iftype != NL80211_IFTYPE_AP)
16036 return -EOPNOTSUPP;
16038 if (!info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT] ||
16039 !info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR] ||
16040 !info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS])
16043 params.count = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT]);
16044 params.color = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR]);
16046 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_next,
16051 tb = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*tb), GFP_KERNEL);
16055 err = nla_parse_nested(tb, NL80211_ATTR_MAX,
16056 info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS],
16057 nl80211_policy, info->extack);
16061 err = nl80211_parse_beacon(rdev, tb, ¶ms.beacon_color_change,
16066 if (!tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
16071 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) != sizeof(u16)) {
16076 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
16077 if (offset >= params.beacon_color_change.tail_len) {
16082 if (params.beacon_color_change.tail[offset] != params.count) {
16087 params.counter_offset_beacon = offset;
16089 if (tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
16090 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) !=
16096 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
16097 if (offset >= params.beacon_color_change.probe_resp_len) {
16102 if (params.beacon_color_change.probe_resp[offset] !=
16108 params.counter_offset_presp = offset;
16112 err = rdev_color_change(rdev, dev, ¶ms);
16116 kfree(params.beacon_next.mbssid_ies);
16117 kfree(params.beacon_color_change.mbssid_ies);
16118 kfree(params.beacon_next.rnr_ies);
16119 kfree(params.beacon_color_change.rnr_ies);
16124 static int nl80211_set_fils_aad(struct sk_buff *skb,
16125 struct genl_info *info)
16127 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16128 struct net_device *dev = info->user_ptr[1];
16129 struct cfg80211_fils_aad fils_aad = {};
16132 if (!info->attrs[NL80211_ATTR_MAC] ||
16133 !info->attrs[NL80211_ATTR_FILS_KEK] ||
16134 !info->attrs[NL80211_ATTR_FILS_NONCES])
16137 fils_aad.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
16138 fils_aad.kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
16139 fils_aad.kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
16140 nonces = nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
16141 fils_aad.snonce = nonces;
16142 fils_aad.anonce = nonces + FILS_NONCE_LEN;
16144 return rdev_set_fils_aad(rdev, dev, &fils_aad);
16147 static int nl80211_add_link(struct sk_buff *skb, struct genl_info *info)
16149 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16150 unsigned int link_id = nl80211_link_id(info->attrs);
16151 struct net_device *dev = info->user_ptr[1];
16152 struct wireless_dev *wdev = dev->ieee80211_ptr;
16155 if (!(wdev->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
16158 switch (wdev->iftype) {
16159 case NL80211_IFTYPE_AP:
16165 if (!info->attrs[NL80211_ATTR_MAC] ||
16166 !is_valid_ether_addr(nla_data(info->attrs[NL80211_ATTR_MAC])))
16170 wdev->valid_links |= BIT(link_id);
16171 ether_addr_copy(wdev->links[link_id].addr,
16172 nla_data(info->attrs[NL80211_ATTR_MAC]));
16174 ret = rdev_add_intf_link(rdev, wdev, link_id);
16176 wdev->valid_links &= ~BIT(link_id);
16177 eth_zero_addr(wdev->links[link_id].addr);
16184 static int nl80211_remove_link(struct sk_buff *skb, struct genl_info *info)
16186 unsigned int link_id = nl80211_link_id(info->attrs);
16187 struct net_device *dev = info->user_ptr[1];
16188 struct wireless_dev *wdev = dev->ieee80211_ptr;
16190 /* cannot remove if there's no link */
16191 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
16194 switch (wdev->iftype) {
16195 case NL80211_IFTYPE_AP:
16202 cfg80211_remove_link(wdev, link_id);
16209 nl80211_add_mod_link_station(struct sk_buff *skb, struct genl_info *info,
16212 struct link_station_parameters params = {};
16213 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16214 struct net_device *dev = info->user_ptr[1];
16217 if ((add && !rdev->ops->add_link_station) ||
16218 (!add && !rdev->ops->mod_link_station))
16219 return -EOPNOTSUPP;
16221 if (add && !info->attrs[NL80211_ATTR_MAC])
16224 if (!info->attrs[NL80211_ATTR_MLD_ADDR])
16227 if (add && !info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
16230 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
16232 if (info->attrs[NL80211_ATTR_MAC]) {
16233 params.link_mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
16234 if (!is_valid_ether_addr(params.link_mac))
16238 if (!info->attrs[NL80211_ATTR_MLO_LINK_ID])
16241 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16243 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
16244 params.supported_rates =
16245 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
16246 params.supported_rates_len =
16247 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
16250 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
16252 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
16254 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
16256 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
16258 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
16260 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
16261 params.he_capa_len =
16262 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
16264 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
16266 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
16267 params.eht_capa_len =
16268 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
16270 if (!ieee80211_eht_capa_size_ok((const u8 *)params.he_capa,
16271 (const u8 *)params.eht_capa,
16272 params.eht_capa_len,
16278 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
16279 params.he_6ghz_capa =
16280 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
16282 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
16283 params.opmode_notif_used = true;
16284 params.opmode_notif =
16285 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
16288 err = nl80211_parse_sta_txpower_setting(info, ¶ms.txpwr,
16289 ¶ms.txpwr_set);
16293 wdev_lock(dev->ieee80211_ptr);
16295 err = rdev_add_link_station(rdev, dev, ¶ms);
16297 err = rdev_mod_link_station(rdev, dev, ¶ms);
16298 wdev_unlock(dev->ieee80211_ptr);
16304 nl80211_add_link_station(struct sk_buff *skb, struct genl_info *info)
16306 return nl80211_add_mod_link_station(skb, info, true);
16310 nl80211_modify_link_station(struct sk_buff *skb, struct genl_info *info)
16312 return nl80211_add_mod_link_station(skb, info, false);
16316 nl80211_remove_link_station(struct sk_buff *skb, struct genl_info *info)
16318 struct link_station_del_parameters params = {};
16319 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16320 struct net_device *dev = info->user_ptr[1];
16323 if (!rdev->ops->del_link_station)
16324 return -EOPNOTSUPP;
16326 if (!info->attrs[NL80211_ATTR_MLD_ADDR] ||
16327 !info->attrs[NL80211_ATTR_MLO_LINK_ID])
16330 params.mld_mac = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
16331 params.link_id = nla_get_u8(info->attrs[NL80211_ATTR_MLO_LINK_ID]);
16333 wdev_lock(dev->ieee80211_ptr);
16334 ret = rdev_del_link_station(rdev, dev, ¶ms);
16335 wdev_unlock(dev->ieee80211_ptr);
16340 static int nl80211_set_hw_timestamp(struct sk_buff *skb,
16341 struct genl_info *info)
16343 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16344 struct net_device *dev = info->user_ptr[1];
16345 struct cfg80211_set_hw_timestamp hwts = {};
16347 if (!rdev->wiphy.hw_timestamp_max_peers)
16348 return -EOPNOTSUPP;
16350 if (!info->attrs[NL80211_ATTR_MAC] &&
16351 rdev->wiphy.hw_timestamp_max_peers != CFG80211_HW_TIMESTAMP_ALL_PEERS)
16352 return -EOPNOTSUPP;
16354 if (info->attrs[NL80211_ATTR_MAC])
16355 hwts.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
16358 nla_get_flag(info->attrs[NL80211_ATTR_HW_TIMESTAMP_ENABLED]);
16360 return rdev_set_hw_timestamp(rdev, dev, &hwts);
16363 #define NL80211_FLAG_NEED_WIPHY 0x01
16364 #define NL80211_FLAG_NEED_NETDEV 0x02
16365 #define NL80211_FLAG_NEED_RTNL 0x04
16366 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
16367 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
16368 NL80211_FLAG_CHECK_NETDEV_UP)
16369 #define NL80211_FLAG_NEED_WDEV 0x10
16370 /* If a netdev is associated, it must be UP, P2P must be started */
16371 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
16372 NL80211_FLAG_CHECK_NETDEV_UP)
16373 #define NL80211_FLAG_CLEAR_SKB 0x20
16374 #define NL80211_FLAG_NO_WIPHY_MTX 0x40
16375 #define NL80211_FLAG_MLO_VALID_LINK_ID 0x80
16376 #define NL80211_FLAG_MLO_UNSUPPORTED 0x100
16378 #define INTERNAL_FLAG_SELECTORS(__sel) \
16379 SELECTOR(__sel, NONE, 0) /* must be first */ \
16380 SELECTOR(__sel, WIPHY, \
16381 NL80211_FLAG_NEED_WIPHY) \
16382 SELECTOR(__sel, WDEV, \
16383 NL80211_FLAG_NEED_WDEV) \
16384 SELECTOR(__sel, NETDEV, \
16385 NL80211_FLAG_NEED_NETDEV) \
16386 SELECTOR(__sel, NETDEV_LINK, \
16387 NL80211_FLAG_NEED_NETDEV | \
16388 NL80211_FLAG_MLO_VALID_LINK_ID) \
16389 SELECTOR(__sel, NETDEV_NO_MLO, \
16390 NL80211_FLAG_NEED_NETDEV | \
16391 NL80211_FLAG_MLO_UNSUPPORTED) \
16392 SELECTOR(__sel, WIPHY_RTNL, \
16393 NL80211_FLAG_NEED_WIPHY | \
16394 NL80211_FLAG_NEED_RTNL) \
16395 SELECTOR(__sel, WIPHY_RTNL_NOMTX, \
16396 NL80211_FLAG_NEED_WIPHY | \
16397 NL80211_FLAG_NEED_RTNL | \
16398 NL80211_FLAG_NO_WIPHY_MTX) \
16399 SELECTOR(__sel, WDEV_RTNL, \
16400 NL80211_FLAG_NEED_WDEV | \
16401 NL80211_FLAG_NEED_RTNL) \
16402 SELECTOR(__sel, NETDEV_RTNL, \
16403 NL80211_FLAG_NEED_NETDEV | \
16404 NL80211_FLAG_NEED_RTNL) \
16405 SELECTOR(__sel, NETDEV_UP, \
16406 NL80211_FLAG_NEED_NETDEV_UP) \
16407 SELECTOR(__sel, NETDEV_UP_LINK, \
16408 NL80211_FLAG_NEED_NETDEV_UP | \
16409 NL80211_FLAG_MLO_VALID_LINK_ID) \
16410 SELECTOR(__sel, NETDEV_UP_NO_MLO, \
16411 NL80211_FLAG_NEED_NETDEV_UP | \
16412 NL80211_FLAG_MLO_UNSUPPORTED) \
16413 SELECTOR(__sel, NETDEV_UP_NO_MLO_CLEAR, \
16414 NL80211_FLAG_NEED_NETDEV_UP | \
16415 NL80211_FLAG_CLEAR_SKB | \
16416 NL80211_FLAG_MLO_UNSUPPORTED) \
16417 SELECTOR(__sel, NETDEV_UP_NOTMX, \
16418 NL80211_FLAG_NEED_NETDEV_UP | \
16419 NL80211_FLAG_NO_WIPHY_MTX) \
16420 SELECTOR(__sel, NETDEV_UP_NOTMX_NOMLO, \
16421 NL80211_FLAG_NEED_NETDEV_UP | \
16422 NL80211_FLAG_NO_WIPHY_MTX | \
16423 NL80211_FLAG_MLO_UNSUPPORTED) \
16424 SELECTOR(__sel, NETDEV_UP_CLEAR, \
16425 NL80211_FLAG_NEED_NETDEV_UP | \
16426 NL80211_FLAG_CLEAR_SKB) \
16427 SELECTOR(__sel, WDEV_UP, \
16428 NL80211_FLAG_NEED_WDEV_UP) \
16429 SELECTOR(__sel, WDEV_UP_LINK, \
16430 NL80211_FLAG_NEED_WDEV_UP | \
16431 NL80211_FLAG_MLO_VALID_LINK_ID) \
16432 SELECTOR(__sel, WDEV_UP_RTNL, \
16433 NL80211_FLAG_NEED_WDEV_UP | \
16434 NL80211_FLAG_NEED_RTNL) \
16435 SELECTOR(__sel, WIPHY_CLEAR, \
16436 NL80211_FLAG_NEED_WIPHY | \
16437 NL80211_FLAG_CLEAR_SKB)
16439 enum nl80211_internal_flags_selector {
16440 #define SELECTOR(_, name, value) NL80211_IFL_SEL_##name,
16441 INTERNAL_FLAG_SELECTORS(_)
16445 static u32 nl80211_internal_flags[] = {
16446 #define SELECTOR(_, name, value) [NL80211_IFL_SEL_##name] = value,
16447 INTERNAL_FLAG_SELECTORS(_)
16451 static int nl80211_pre_doit(const struct genl_split_ops *ops,
16452 struct sk_buff *skb,
16453 struct genl_info *info)
16455 struct cfg80211_registered_device *rdev = NULL;
16456 struct wireless_dev *wdev = NULL;
16457 struct net_device *dev = NULL;
16458 u32 internal_flags;
16461 if (WARN_ON(ops->internal_flags >= ARRAY_SIZE(nl80211_internal_flags)))
16464 internal_flags = nl80211_internal_flags[ops->internal_flags];
16467 if (internal_flags & NL80211_FLAG_NEED_WIPHY) {
16468 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
16469 if (IS_ERR(rdev)) {
16470 err = PTR_ERR(rdev);
16473 info->user_ptr[0] = rdev;
16474 } else if (internal_flags & NL80211_FLAG_NEED_NETDEV ||
16475 internal_flags & NL80211_FLAG_NEED_WDEV) {
16476 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
16478 if (IS_ERR(wdev)) {
16479 err = PTR_ERR(wdev);
16483 dev = wdev->netdev;
16485 rdev = wiphy_to_rdev(wdev->wiphy);
16487 if (internal_flags & NL80211_FLAG_NEED_NETDEV) {
16493 info->user_ptr[1] = dev;
16495 info->user_ptr[1] = wdev;
16498 if (internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
16499 !wdev_running(wdev)) {
16504 info->user_ptr[0] = rdev;
16507 if (internal_flags & NL80211_FLAG_MLO_VALID_LINK_ID) {
16508 struct nlattr *link_id = info->attrs[NL80211_ATTR_MLO_LINK_ID];
16515 /* MLO -> require valid link ID */
16516 if (wdev->valid_links &&
16518 !(wdev->valid_links & BIT(nla_get_u8(link_id))))) {
16523 /* non-MLO -> no link ID attribute accepted */
16524 if (!wdev->valid_links && link_id) {
16530 if (internal_flags & NL80211_FLAG_MLO_UNSUPPORTED) {
16531 if (info->attrs[NL80211_ATTR_MLO_LINK_ID] ||
16532 (wdev && wdev->valid_links)) {
16538 if (rdev && !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
16539 wiphy_lock(&rdev->wiphy);
16540 /* we keep the mutex locked until post_doit */
16541 __release(&rdev->wiphy.mtx);
16543 if (!(internal_flags & NL80211_FLAG_NEED_RTNL))
16553 static void nl80211_post_doit(const struct genl_split_ops *ops,
16554 struct sk_buff *skb,
16555 struct genl_info *info)
16557 u32 internal_flags = nl80211_internal_flags[ops->internal_flags];
16559 if (info->user_ptr[1]) {
16560 if (internal_flags & NL80211_FLAG_NEED_WDEV) {
16561 struct wireless_dev *wdev = info->user_ptr[1];
16563 dev_put(wdev->netdev);
16565 dev_put(info->user_ptr[1]);
16569 if (info->user_ptr[0] &&
16570 !(internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
16571 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16573 /* we kept the mutex locked since pre_doit */
16574 __acquire(&rdev->wiphy.mtx);
16575 wiphy_unlock(&rdev->wiphy);
16578 if (internal_flags & NL80211_FLAG_NEED_RTNL)
16581 /* If needed, clear the netlink message payload from the SKB
16582 * as it might contain key data that shouldn't stick around on
16583 * the heap after the SKB is freed. The netlink message header
16584 * is still needed for further processing, so leave it intact.
16586 if (internal_flags & NL80211_FLAG_CLEAR_SKB) {
16587 struct nlmsghdr *nlh = nlmsg_hdr(skb);
16589 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
16593 static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
16594 struct cfg80211_sar_specs *sar_specs,
16595 struct nlattr *spec[], int index)
16597 u32 range_index, i;
16599 if (!sar_specs || !spec)
16602 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
16603 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
16606 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
16608 /* check if range_index exceeds num_freq_ranges */
16609 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
16612 /* check if range_index duplicates */
16613 for (i = 0; i < index; i++) {
16614 if (sar_specs->sub_specs[i].freq_range_index == range_index)
16618 sar_specs->sub_specs[index].power =
16619 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
16621 sar_specs->sub_specs[index].freq_range_index = range_index;
16626 static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
16628 struct cfg80211_registered_device *rdev = info->user_ptr[0];
16629 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
16630 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
16631 struct cfg80211_sar_specs *sar_spec;
16632 enum nl80211_sar_type type;
16633 struct nlattr *spec_list;
16637 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
16638 return -EOPNOTSUPP;
16640 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
16643 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
16644 info->attrs[NL80211_ATTR_SAR_SPEC],
16647 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
16650 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
16651 if (type != rdev->wiphy.sar_capa->type)
16655 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
16658 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
16661 sar_spec = kzalloc(struct_size(sar_spec, sub_specs, specs), GFP_KERNEL);
16665 sar_spec->type = type;
16667 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
16668 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
16669 spec_list, NULL, NULL);
16672 case NL80211_SAR_TYPE_POWER:
16673 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
16686 sar_spec->num_sub_specs = specs;
16688 rdev->cur_cmd_info = info;
16689 err = rdev_set_sar_specs(rdev, sar_spec);
16690 rdev->cur_cmd_info = NULL;
16696 #define SELECTOR(__sel, name, value) \
16697 ((__sel) == (value)) ? NL80211_IFL_SEL_##name :
16698 int __missing_selector(void);
16699 #define IFLAGS(__val) INTERNAL_FLAG_SELECTORS(__val) __missing_selector()
16701 static const struct genl_ops nl80211_ops[] = {
16703 .cmd = NL80211_CMD_GET_WIPHY,
16704 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16705 .doit = nl80211_get_wiphy,
16706 .dumpit = nl80211_dump_wiphy,
16707 .done = nl80211_dump_wiphy_done,
16708 /* can be retrieved by unprivileged users */
16709 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
16713 static const struct genl_small_ops nl80211_small_ops[] = {
16715 .cmd = NL80211_CMD_SET_WIPHY,
16716 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16717 .doit = nl80211_set_wiphy,
16718 .flags = GENL_UNS_ADMIN_PERM,
16721 .cmd = NL80211_CMD_GET_INTERFACE,
16722 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16723 .doit = nl80211_get_interface,
16724 .dumpit = nl80211_dump_interface,
16725 /* can be retrieved by unprivileged users */
16726 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
16729 .cmd = NL80211_CMD_SET_INTERFACE,
16730 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16731 .doit = nl80211_set_interface,
16732 .flags = GENL_UNS_ADMIN_PERM,
16733 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
16734 NL80211_FLAG_NEED_RTNL),
16737 .cmd = NL80211_CMD_NEW_INTERFACE,
16738 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16739 .doit = nl80211_new_interface,
16740 .flags = GENL_UNS_ADMIN_PERM,
16742 IFLAGS(NL80211_FLAG_NEED_WIPHY |
16743 NL80211_FLAG_NEED_RTNL |
16744 /* we take the wiphy mutex later ourselves */
16745 NL80211_FLAG_NO_WIPHY_MTX),
16748 .cmd = NL80211_CMD_DEL_INTERFACE,
16749 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16750 .doit = nl80211_del_interface,
16751 .flags = GENL_UNS_ADMIN_PERM,
16752 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
16753 NL80211_FLAG_NEED_RTNL),
16756 .cmd = NL80211_CMD_GET_KEY,
16757 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16758 .doit = nl80211_get_key,
16759 .flags = GENL_UNS_ADMIN_PERM,
16760 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16763 .cmd = NL80211_CMD_SET_KEY,
16764 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16765 .doit = nl80211_set_key,
16766 .flags = GENL_UNS_ADMIN_PERM,
16767 /* cannot use NL80211_FLAG_MLO_VALID_LINK_ID, depends on key */
16768 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16769 NL80211_FLAG_CLEAR_SKB),
16772 .cmd = NL80211_CMD_NEW_KEY,
16773 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16774 .doit = nl80211_new_key,
16775 .flags = GENL_UNS_ADMIN_PERM,
16776 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16777 NL80211_FLAG_CLEAR_SKB),
16780 .cmd = NL80211_CMD_DEL_KEY,
16781 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16782 .doit = nl80211_del_key,
16783 .flags = GENL_UNS_ADMIN_PERM,
16784 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16787 .cmd = NL80211_CMD_SET_BEACON,
16788 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16789 .flags = GENL_UNS_ADMIN_PERM,
16790 .doit = nl80211_set_beacon,
16791 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16792 NL80211_FLAG_MLO_VALID_LINK_ID),
16795 .cmd = NL80211_CMD_START_AP,
16796 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16797 .flags = GENL_UNS_ADMIN_PERM,
16798 .doit = nl80211_start_ap,
16799 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16800 NL80211_FLAG_MLO_VALID_LINK_ID),
16803 .cmd = NL80211_CMD_STOP_AP,
16804 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16805 .flags = GENL_UNS_ADMIN_PERM,
16806 .doit = nl80211_stop_ap,
16807 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16808 NL80211_FLAG_MLO_VALID_LINK_ID),
16811 .cmd = NL80211_CMD_GET_STATION,
16812 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16813 .doit = nl80211_get_station,
16814 .dumpit = nl80211_dump_station,
16815 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
16818 .cmd = NL80211_CMD_SET_STATION,
16819 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16820 .doit = nl80211_set_station,
16821 .flags = GENL_UNS_ADMIN_PERM,
16822 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16825 .cmd = NL80211_CMD_NEW_STATION,
16826 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16827 .doit = nl80211_new_station,
16828 .flags = GENL_UNS_ADMIN_PERM,
16829 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16832 .cmd = NL80211_CMD_DEL_STATION,
16833 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16834 .doit = nl80211_del_station,
16835 .flags = GENL_UNS_ADMIN_PERM,
16836 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16839 .cmd = NL80211_CMD_GET_MPATH,
16840 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16841 .doit = nl80211_get_mpath,
16842 .dumpit = nl80211_dump_mpath,
16843 .flags = GENL_UNS_ADMIN_PERM,
16844 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16847 .cmd = NL80211_CMD_GET_MPP,
16848 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16849 .doit = nl80211_get_mpp,
16850 .dumpit = nl80211_dump_mpp,
16851 .flags = GENL_UNS_ADMIN_PERM,
16852 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16855 .cmd = NL80211_CMD_SET_MPATH,
16856 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16857 .doit = nl80211_set_mpath,
16858 .flags = GENL_UNS_ADMIN_PERM,
16859 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16862 .cmd = NL80211_CMD_NEW_MPATH,
16863 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16864 .doit = nl80211_new_mpath,
16865 .flags = GENL_UNS_ADMIN_PERM,
16866 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16869 .cmd = NL80211_CMD_DEL_MPATH,
16870 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16871 .doit = nl80211_del_mpath,
16872 .flags = GENL_UNS_ADMIN_PERM,
16873 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16876 .cmd = NL80211_CMD_SET_BSS,
16877 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16878 .doit = nl80211_set_bss,
16879 .flags = GENL_UNS_ADMIN_PERM,
16880 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16881 NL80211_FLAG_MLO_VALID_LINK_ID),
16884 .cmd = NL80211_CMD_GET_REG,
16885 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16886 .doit = nl80211_get_reg_do,
16887 .dumpit = nl80211_get_reg_dump,
16888 /* can be retrieved by unprivileged users */
16890 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
16892 .cmd = NL80211_CMD_SET_REG,
16893 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16894 .doit = nl80211_set_reg,
16895 .flags = GENL_ADMIN_PERM,
16899 .cmd = NL80211_CMD_REQ_SET_REG,
16900 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16901 .doit = nl80211_req_set_reg,
16902 .flags = GENL_ADMIN_PERM,
16905 .cmd = NL80211_CMD_RELOAD_REGDB,
16906 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16907 .doit = nl80211_reload_regdb,
16908 .flags = GENL_ADMIN_PERM,
16911 .cmd = NL80211_CMD_GET_MESH_CONFIG,
16912 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16913 .doit = nl80211_get_mesh_config,
16914 /* can be retrieved by unprivileged users */
16915 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16918 .cmd = NL80211_CMD_SET_MESH_CONFIG,
16919 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16920 .doit = nl80211_update_mesh_config,
16921 .flags = GENL_UNS_ADMIN_PERM,
16922 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16925 .cmd = NL80211_CMD_TRIGGER_SCAN,
16926 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16927 .doit = nl80211_trigger_scan,
16928 .flags = GENL_UNS_ADMIN_PERM,
16929 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16932 .cmd = NL80211_CMD_ABORT_SCAN,
16933 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16934 .doit = nl80211_abort_scan,
16935 .flags = GENL_UNS_ADMIN_PERM,
16936 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
16939 .cmd = NL80211_CMD_GET_SCAN,
16940 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16941 .dumpit = nl80211_dump_scan,
16944 .cmd = NL80211_CMD_START_SCHED_SCAN,
16945 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16946 .doit = nl80211_start_sched_scan,
16947 .flags = GENL_UNS_ADMIN_PERM,
16948 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16951 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
16952 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16953 .doit = nl80211_stop_sched_scan,
16954 .flags = GENL_UNS_ADMIN_PERM,
16955 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16958 .cmd = NL80211_CMD_AUTHENTICATE,
16959 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16960 .doit = nl80211_authenticate,
16961 .flags = GENL_UNS_ADMIN_PERM,
16962 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16963 NL80211_FLAG_CLEAR_SKB),
16966 .cmd = NL80211_CMD_ASSOCIATE,
16967 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16968 .doit = nl80211_associate,
16969 .flags = GENL_UNS_ADMIN_PERM,
16970 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
16971 NL80211_FLAG_CLEAR_SKB),
16974 .cmd = NL80211_CMD_DEAUTHENTICATE,
16975 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16976 .doit = nl80211_deauthenticate,
16977 .flags = GENL_UNS_ADMIN_PERM,
16978 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16981 .cmd = NL80211_CMD_DISASSOCIATE,
16982 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16983 .doit = nl80211_disassociate,
16984 .flags = GENL_UNS_ADMIN_PERM,
16985 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16988 .cmd = NL80211_CMD_JOIN_IBSS,
16989 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16990 .doit = nl80211_join_ibss,
16991 .flags = GENL_UNS_ADMIN_PERM,
16992 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
16995 .cmd = NL80211_CMD_LEAVE_IBSS,
16996 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16997 .doit = nl80211_leave_ibss,
16998 .flags = GENL_UNS_ADMIN_PERM,
16999 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17001 #ifdef CONFIG_NL80211_TESTMODE
17003 .cmd = NL80211_CMD_TESTMODE,
17004 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17005 .doit = nl80211_testmode_do,
17006 .dumpit = nl80211_testmode_dump,
17007 .flags = GENL_UNS_ADMIN_PERM,
17008 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17012 .cmd = NL80211_CMD_CONNECT,
17013 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17014 .doit = nl80211_connect,
17015 .flags = GENL_UNS_ADMIN_PERM,
17016 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17017 NL80211_FLAG_CLEAR_SKB),
17020 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
17021 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17022 .doit = nl80211_update_connect_params,
17023 .flags = GENL_ADMIN_PERM,
17024 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17025 NL80211_FLAG_CLEAR_SKB),
17028 .cmd = NL80211_CMD_DISCONNECT,
17029 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17030 .doit = nl80211_disconnect,
17031 .flags = GENL_UNS_ADMIN_PERM,
17032 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17035 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
17036 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17037 .doit = nl80211_wiphy_netns,
17038 .flags = GENL_UNS_ADMIN_PERM,
17039 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17040 NL80211_FLAG_NEED_RTNL |
17041 NL80211_FLAG_NO_WIPHY_MTX),
17044 .cmd = NL80211_CMD_GET_SURVEY,
17045 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17046 .dumpit = nl80211_dump_survey,
17049 .cmd = NL80211_CMD_SET_PMKSA,
17050 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17051 .doit = nl80211_setdel_pmksa,
17052 .flags = GENL_UNS_ADMIN_PERM,
17053 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17054 NL80211_FLAG_CLEAR_SKB),
17057 .cmd = NL80211_CMD_DEL_PMKSA,
17058 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17059 .doit = nl80211_setdel_pmksa,
17060 .flags = GENL_UNS_ADMIN_PERM,
17061 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17064 .cmd = NL80211_CMD_FLUSH_PMKSA,
17065 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17066 .doit = nl80211_flush_pmksa,
17067 .flags = GENL_UNS_ADMIN_PERM,
17068 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17071 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
17072 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17073 .doit = nl80211_remain_on_channel,
17074 .flags = GENL_UNS_ADMIN_PERM,
17075 /* FIXME: requiring a link ID here is probably not good */
17076 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17077 NL80211_FLAG_MLO_VALID_LINK_ID),
17080 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
17081 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17082 .doit = nl80211_cancel_remain_on_channel,
17083 .flags = GENL_UNS_ADMIN_PERM,
17084 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17087 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
17088 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17089 .doit = nl80211_set_tx_bitrate_mask,
17090 .flags = GENL_UNS_ADMIN_PERM,
17091 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17092 NL80211_FLAG_MLO_VALID_LINK_ID),
17095 .cmd = NL80211_CMD_REGISTER_FRAME,
17096 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17097 .doit = nl80211_register_mgmt,
17098 .flags = GENL_UNS_ADMIN_PERM,
17099 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV),
17102 .cmd = NL80211_CMD_FRAME,
17103 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17104 .doit = nl80211_tx_mgmt,
17105 .flags = GENL_UNS_ADMIN_PERM,
17106 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17109 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
17110 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17111 .doit = nl80211_tx_mgmt_cancel_wait,
17112 .flags = GENL_UNS_ADMIN_PERM,
17113 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17116 .cmd = NL80211_CMD_SET_POWER_SAVE,
17117 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17118 .doit = nl80211_set_power_save,
17119 .flags = GENL_UNS_ADMIN_PERM,
17120 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17123 .cmd = NL80211_CMD_GET_POWER_SAVE,
17124 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17125 .doit = nl80211_get_power_save,
17126 /* can be retrieved by unprivileged users */
17127 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17130 .cmd = NL80211_CMD_SET_CQM,
17131 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17132 .doit = nl80211_set_cqm,
17133 .flags = GENL_UNS_ADMIN_PERM,
17134 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17137 .cmd = NL80211_CMD_SET_CHANNEL,
17138 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17139 .doit = nl80211_set_channel,
17140 .flags = GENL_UNS_ADMIN_PERM,
17141 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17142 NL80211_FLAG_MLO_VALID_LINK_ID),
17145 .cmd = NL80211_CMD_JOIN_MESH,
17146 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17147 .doit = nl80211_join_mesh,
17148 .flags = GENL_UNS_ADMIN_PERM,
17149 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17152 .cmd = NL80211_CMD_LEAVE_MESH,
17153 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17154 .doit = nl80211_leave_mesh,
17155 .flags = GENL_UNS_ADMIN_PERM,
17156 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17159 .cmd = NL80211_CMD_JOIN_OCB,
17160 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17161 .doit = nl80211_join_ocb,
17162 .flags = GENL_UNS_ADMIN_PERM,
17163 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17166 .cmd = NL80211_CMD_LEAVE_OCB,
17167 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17168 .doit = nl80211_leave_ocb,
17169 .flags = GENL_UNS_ADMIN_PERM,
17170 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17174 .cmd = NL80211_CMD_GET_WOWLAN,
17175 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17176 .doit = nl80211_get_wowlan,
17177 /* can be retrieved by unprivileged users */
17178 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17181 .cmd = NL80211_CMD_SET_WOWLAN,
17182 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17183 .doit = nl80211_set_wowlan,
17184 .flags = GENL_UNS_ADMIN_PERM,
17185 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17189 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
17190 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17191 .doit = nl80211_set_rekey_data,
17192 .flags = GENL_UNS_ADMIN_PERM,
17193 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17194 NL80211_FLAG_CLEAR_SKB),
17197 .cmd = NL80211_CMD_TDLS_MGMT,
17198 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17199 .doit = nl80211_tdls_mgmt,
17200 .flags = GENL_UNS_ADMIN_PERM,
17201 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17202 NL80211_FLAG_MLO_VALID_LINK_ID),
17205 .cmd = NL80211_CMD_TDLS_OPER,
17206 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17207 .doit = nl80211_tdls_oper,
17208 .flags = GENL_UNS_ADMIN_PERM,
17209 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17212 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
17213 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17214 .doit = nl80211_register_unexpected_frame,
17215 .flags = GENL_UNS_ADMIN_PERM,
17216 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17219 .cmd = NL80211_CMD_PROBE_CLIENT,
17220 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17221 .doit = nl80211_probe_client,
17222 .flags = GENL_UNS_ADMIN_PERM,
17223 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17226 .cmd = NL80211_CMD_REGISTER_BEACONS,
17227 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17228 .doit = nl80211_register_beacons,
17229 .flags = GENL_UNS_ADMIN_PERM,
17230 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17233 .cmd = NL80211_CMD_SET_NOACK_MAP,
17234 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17235 .doit = nl80211_set_noack_map,
17236 .flags = GENL_UNS_ADMIN_PERM,
17237 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17240 .cmd = NL80211_CMD_START_P2P_DEVICE,
17241 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17242 .doit = nl80211_start_p2p_device,
17243 .flags = GENL_UNS_ADMIN_PERM,
17244 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
17245 NL80211_FLAG_NEED_RTNL),
17248 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
17249 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17250 .doit = nl80211_stop_p2p_device,
17251 .flags = GENL_UNS_ADMIN_PERM,
17252 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17253 NL80211_FLAG_NEED_RTNL),
17256 .cmd = NL80211_CMD_START_NAN,
17257 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17258 .doit = nl80211_start_nan,
17259 .flags = GENL_ADMIN_PERM,
17260 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV |
17261 NL80211_FLAG_NEED_RTNL),
17264 .cmd = NL80211_CMD_STOP_NAN,
17265 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17266 .doit = nl80211_stop_nan,
17267 .flags = GENL_ADMIN_PERM,
17268 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP |
17269 NL80211_FLAG_NEED_RTNL),
17272 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
17273 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17274 .doit = nl80211_nan_add_func,
17275 .flags = GENL_ADMIN_PERM,
17276 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17279 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
17280 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17281 .doit = nl80211_nan_del_func,
17282 .flags = GENL_ADMIN_PERM,
17283 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17286 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
17287 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17288 .doit = nl80211_nan_change_config,
17289 .flags = GENL_ADMIN_PERM,
17290 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17293 .cmd = NL80211_CMD_SET_MCAST_RATE,
17294 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17295 .doit = nl80211_set_mcast_rate,
17296 .flags = GENL_UNS_ADMIN_PERM,
17297 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17300 .cmd = NL80211_CMD_SET_MAC_ACL,
17301 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17302 .doit = nl80211_set_mac_acl,
17303 .flags = GENL_UNS_ADMIN_PERM,
17304 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17305 NL80211_FLAG_MLO_UNSUPPORTED),
17308 .cmd = NL80211_CMD_RADAR_DETECT,
17309 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17310 .doit = nl80211_start_radar_detection,
17311 .flags = GENL_UNS_ADMIN_PERM,
17312 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17313 NL80211_FLAG_NO_WIPHY_MTX |
17314 NL80211_FLAG_MLO_UNSUPPORTED),
17317 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
17318 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17319 .doit = nl80211_get_protocol_features,
17322 .cmd = NL80211_CMD_UPDATE_FT_IES,
17323 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17324 .doit = nl80211_update_ft_ies,
17325 .flags = GENL_UNS_ADMIN_PERM,
17326 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17329 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
17330 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17331 .doit = nl80211_crit_protocol_start,
17332 .flags = GENL_UNS_ADMIN_PERM,
17333 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17336 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
17337 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17338 .doit = nl80211_crit_protocol_stop,
17339 .flags = GENL_UNS_ADMIN_PERM,
17340 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17343 .cmd = NL80211_CMD_GET_COALESCE,
17344 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17345 .doit = nl80211_get_coalesce,
17346 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17349 .cmd = NL80211_CMD_SET_COALESCE,
17350 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17351 .doit = nl80211_set_coalesce,
17352 .flags = GENL_UNS_ADMIN_PERM,
17353 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY),
17356 .cmd = NL80211_CMD_CHANNEL_SWITCH,
17357 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17358 .doit = nl80211_channel_switch,
17359 .flags = GENL_UNS_ADMIN_PERM,
17360 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17361 NL80211_FLAG_MLO_VALID_LINK_ID),
17364 .cmd = NL80211_CMD_VENDOR,
17365 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17366 .doit = nl80211_vendor_cmd,
17367 .dumpit = nl80211_vendor_cmd_dump,
17368 .flags = GENL_UNS_ADMIN_PERM,
17369 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17370 NL80211_FLAG_CLEAR_SKB),
17373 .cmd = NL80211_CMD_SET_QOS_MAP,
17374 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17375 .doit = nl80211_set_qos_map,
17376 .flags = GENL_UNS_ADMIN_PERM,
17377 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17380 .cmd = NL80211_CMD_ADD_TX_TS,
17381 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17382 .doit = nl80211_add_tx_ts,
17383 .flags = GENL_UNS_ADMIN_PERM,
17384 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17385 NL80211_FLAG_MLO_UNSUPPORTED),
17388 .cmd = NL80211_CMD_DEL_TX_TS,
17389 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17390 .doit = nl80211_del_tx_ts,
17391 .flags = GENL_UNS_ADMIN_PERM,
17392 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17395 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
17396 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17397 .doit = nl80211_tdls_channel_switch,
17398 .flags = GENL_UNS_ADMIN_PERM,
17399 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17402 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
17403 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17404 .doit = nl80211_tdls_cancel_channel_switch,
17405 .flags = GENL_UNS_ADMIN_PERM,
17406 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17409 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
17410 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17411 .doit = nl80211_set_multicast_to_unicast,
17412 .flags = GENL_UNS_ADMIN_PERM,
17413 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV),
17416 .cmd = NL80211_CMD_SET_PMK,
17417 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17418 .doit = nl80211_set_pmk,
17419 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17420 NL80211_FLAG_CLEAR_SKB),
17423 .cmd = NL80211_CMD_DEL_PMK,
17424 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17425 .doit = nl80211_del_pmk,
17426 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17429 .cmd = NL80211_CMD_EXTERNAL_AUTH,
17430 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17431 .doit = nl80211_external_auth,
17432 .flags = GENL_ADMIN_PERM,
17433 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17436 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
17437 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17438 .doit = nl80211_tx_control_port,
17439 .flags = GENL_UNS_ADMIN_PERM,
17440 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17443 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
17444 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17445 .doit = nl80211_get_ftm_responder_stats,
17446 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17447 NL80211_FLAG_MLO_VALID_LINK_ID),
17450 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
17451 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17452 .doit = nl80211_pmsr_start,
17453 .flags = GENL_UNS_ADMIN_PERM,
17454 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WDEV_UP),
17457 .cmd = NL80211_CMD_NOTIFY_RADAR,
17458 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17459 .doit = nl80211_notify_radar_detection,
17460 .flags = GENL_UNS_ADMIN_PERM,
17461 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17464 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
17465 .doit = nl80211_update_owe_info,
17466 .flags = GENL_ADMIN_PERM,
17467 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17470 .cmd = NL80211_CMD_PROBE_MESH_LINK,
17471 .doit = nl80211_probe_mesh_link,
17472 .flags = GENL_UNS_ADMIN_PERM,
17473 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17476 .cmd = NL80211_CMD_SET_TID_CONFIG,
17477 .doit = nl80211_set_tid_config,
17478 .flags = GENL_UNS_ADMIN_PERM,
17479 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV |
17480 NL80211_FLAG_MLO_VALID_LINK_ID),
17483 .cmd = NL80211_CMD_SET_SAR_SPECS,
17484 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17485 .doit = nl80211_set_sar_specs,
17486 .flags = GENL_UNS_ADMIN_PERM,
17487 .internal_flags = IFLAGS(NL80211_FLAG_NEED_WIPHY |
17488 NL80211_FLAG_NEED_RTNL),
17491 .cmd = NL80211_CMD_COLOR_CHANGE_REQUEST,
17492 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17493 .doit = nl80211_color_change,
17494 .flags = GENL_UNS_ADMIN_PERM,
17495 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17498 .cmd = NL80211_CMD_SET_FILS_AAD,
17499 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
17500 .doit = nl80211_set_fils_aad,
17501 .flags = GENL_UNS_ADMIN_PERM,
17502 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17505 .cmd = NL80211_CMD_ADD_LINK,
17506 .doit = nl80211_add_link,
17507 .flags = GENL_UNS_ADMIN_PERM,
17508 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17511 .cmd = NL80211_CMD_REMOVE_LINK,
17512 .doit = nl80211_remove_link,
17513 .flags = GENL_UNS_ADMIN_PERM,
17514 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17515 NL80211_FLAG_MLO_VALID_LINK_ID),
17518 .cmd = NL80211_CMD_ADD_LINK_STA,
17519 .doit = nl80211_add_link_station,
17520 .flags = GENL_UNS_ADMIN_PERM,
17521 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17522 NL80211_FLAG_MLO_VALID_LINK_ID),
17525 .cmd = NL80211_CMD_MODIFY_LINK_STA,
17526 .doit = nl80211_modify_link_station,
17527 .flags = GENL_UNS_ADMIN_PERM,
17528 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17529 NL80211_FLAG_MLO_VALID_LINK_ID),
17532 .cmd = NL80211_CMD_REMOVE_LINK_STA,
17533 .doit = nl80211_remove_link_station,
17534 .flags = GENL_UNS_ADMIN_PERM,
17535 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
17536 NL80211_FLAG_MLO_VALID_LINK_ID),
17539 .cmd = NL80211_CMD_SET_HW_TIMESTAMP,
17540 .doit = nl80211_set_hw_timestamp,
17541 .flags = GENL_UNS_ADMIN_PERM,
17542 .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
17546 static struct genl_family nl80211_fam __ro_after_init = {
17547 .name = NL80211_GENL_NAME, /* have users key off the name instead */
17548 .hdrsize = 0, /* no private header */
17549 .version = 1, /* no particular meaning now */
17550 .maxattr = NL80211_ATTR_MAX,
17551 .policy = nl80211_policy,
17553 .pre_doit = nl80211_pre_doit,
17554 .post_doit = nl80211_post_doit,
17555 .module = THIS_MODULE,
17556 .ops = nl80211_ops,
17557 .n_ops = ARRAY_SIZE(nl80211_ops),
17558 .small_ops = nl80211_small_ops,
17559 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
17560 .resv_start_op = NL80211_CMD_REMOVE_LINK_STA + 1,
17561 .mcgrps = nl80211_mcgrps,
17562 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
17563 .parallel_ops = true,
17566 /* notification functions */
17568 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
17569 enum nl80211_commands cmd)
17571 struct sk_buff *msg;
17572 struct nl80211_dump_wiphy_state state = {};
17574 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
17575 cmd != NL80211_CMD_DEL_WIPHY);
17577 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17581 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
17586 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17587 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17590 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
17591 struct wireless_dev *wdev,
17592 enum nl80211_commands cmd)
17594 struct sk_buff *msg;
17596 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17600 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
17605 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17606 NL80211_MCGRP_CONFIG, GFP_KERNEL);
17609 static int nl80211_add_scan_req(struct sk_buff *msg,
17610 struct cfg80211_registered_device *rdev)
17612 struct cfg80211_scan_request *req = rdev->scan_req;
17613 struct nlattr *nest;
17615 struct cfg80211_scan_info *info;
17620 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
17622 goto nla_put_failure;
17623 for (i = 0; i < req->n_ssids; i++) {
17624 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
17625 goto nla_put_failure;
17627 nla_nest_end(msg, nest);
17629 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
17630 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
17632 goto nla_put_failure;
17633 for (i = 0; i < req->n_channels; i++) {
17634 if (nla_put_u32(msg, i,
17635 ieee80211_channel_to_khz(req->channels[i])))
17636 goto nla_put_failure;
17638 nla_nest_end(msg, nest);
17640 nest = nla_nest_start_noflag(msg,
17641 NL80211_ATTR_SCAN_FREQUENCIES);
17643 goto nla_put_failure;
17644 for (i = 0; i < req->n_channels; i++) {
17645 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
17646 goto nla_put_failure;
17648 nla_nest_end(msg, nest);
17652 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
17653 goto nla_put_failure;
17656 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
17657 goto nla_put_failure;
17659 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
17660 &rdev->scan_req->info;
17661 if (info->scan_start_tsf &&
17662 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
17663 info->scan_start_tsf, NL80211_BSS_PAD) ||
17664 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
17666 goto nla_put_failure;
17673 static int nl80211_prep_scan_msg(struct sk_buff *msg,
17674 struct cfg80211_registered_device *rdev,
17675 struct wireless_dev *wdev,
17676 u32 portid, u32 seq, int flags,
17681 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
17685 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17686 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17687 wdev->netdev->ifindex)) ||
17688 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17690 goto nla_put_failure;
17692 /* ignore errors and send incomplete event anyway */
17693 nl80211_add_scan_req(msg, rdev);
17695 genlmsg_end(msg, hdr);
17699 genlmsg_cancel(msg, hdr);
17704 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
17705 struct cfg80211_sched_scan_request *req, u32 cmd)
17709 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17713 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
17714 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
17715 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
17716 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
17718 goto nla_put_failure;
17720 genlmsg_end(msg, hdr);
17724 genlmsg_cancel(msg, hdr);
17728 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
17729 struct wireless_dev *wdev)
17731 struct sk_buff *msg;
17733 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17737 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
17738 NL80211_CMD_TRIGGER_SCAN) < 0) {
17743 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17744 NL80211_MCGRP_SCAN, GFP_KERNEL);
17747 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
17748 struct wireless_dev *wdev, bool aborted)
17750 struct sk_buff *msg;
17752 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17756 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
17757 aborted ? NL80211_CMD_SCAN_ABORTED :
17758 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
17766 /* send message created by nl80211_build_scan_msg() */
17767 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
17768 struct sk_buff *msg)
17773 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17774 NL80211_MCGRP_SCAN, GFP_KERNEL);
17777 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
17779 struct sk_buff *msg;
17781 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17785 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
17790 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
17791 NL80211_MCGRP_SCAN, GFP_KERNEL);
17794 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
17795 struct regulatory_request *request)
17797 /* Userspace can always count this one always being set */
17798 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
17799 goto nla_put_failure;
17801 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
17802 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17803 NL80211_REGDOM_TYPE_WORLD))
17804 goto nla_put_failure;
17805 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
17806 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17807 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
17808 goto nla_put_failure;
17809 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
17810 request->intersect) {
17811 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17812 NL80211_REGDOM_TYPE_INTERSECTION))
17813 goto nla_put_failure;
17815 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
17816 NL80211_REGDOM_TYPE_COUNTRY) ||
17817 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
17819 goto nla_put_failure;
17822 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
17823 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
17826 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
17827 goto nla_put_failure;
17830 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
17831 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
17832 goto nla_put_failure;
17842 * This can happen on global regulatory changes or device specific settings
17843 * based on custom regulatory domains.
17845 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
17846 struct regulatory_request *request)
17848 struct sk_buff *msg;
17851 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17855 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
17857 goto nla_put_failure;
17859 if (!nl80211_reg_change_event_fill(msg, request))
17860 goto nla_put_failure;
17862 genlmsg_end(msg, hdr);
17865 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
17866 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
17875 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
17876 struct net_device *netdev,
17877 const u8 *buf, size_t len,
17878 enum nl80211_commands cmd, gfp_t gfp,
17879 int uapsd_queues, const u8 *req_ies,
17880 size_t req_ies_len, bool reconnect)
17882 struct sk_buff *msg;
17885 msg = nlmsg_new(100 + len + req_ies_len, gfp);
17889 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17895 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17896 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17897 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
17899 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
17900 goto nla_put_failure;
17902 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
17903 goto nla_put_failure;
17905 if (uapsd_queues >= 0) {
17906 struct nlattr *nla_wmm =
17907 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
17909 goto nla_put_failure;
17911 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
17913 goto nla_put_failure;
17915 nla_nest_end(msg, nla_wmm);
17918 genlmsg_end(msg, hdr);
17920 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17921 NL80211_MCGRP_MLME, gfp);
17928 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
17929 struct net_device *netdev, const u8 *buf,
17930 size_t len, gfp_t gfp)
17932 nl80211_send_mlme_event(rdev, netdev, buf, len,
17933 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
17937 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
17938 struct net_device *netdev,
17939 struct cfg80211_rx_assoc_resp *data)
17941 nl80211_send_mlme_event(rdev, netdev, data->buf, data->len,
17942 NL80211_CMD_ASSOCIATE, GFP_KERNEL,
17943 data->uapsd_queues,
17944 data->req_ies, data->req_ies_len, false);
17947 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
17948 struct net_device *netdev, const u8 *buf,
17949 size_t len, bool reconnect, gfp_t gfp)
17951 nl80211_send_mlme_event(rdev, netdev, buf, len,
17952 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
17956 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
17957 struct net_device *netdev, const u8 *buf,
17958 size_t len, bool reconnect, gfp_t gfp)
17960 nl80211_send_mlme_event(rdev, netdev, buf, len,
17961 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
17965 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
17968 struct wireless_dev *wdev = dev->ieee80211_ptr;
17969 struct wiphy *wiphy = wdev->wiphy;
17970 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17971 const struct ieee80211_mgmt *mgmt = (void *)buf;
17974 if (WARN_ON(len < 2))
17977 if (ieee80211_is_deauth(mgmt->frame_control)) {
17978 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
17979 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
17980 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
17981 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
17982 if (wdev->unprot_beacon_reported &&
17983 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
17985 cmd = NL80211_CMD_UNPROT_BEACON;
17986 wdev->unprot_beacon_reported = jiffies;
17991 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
17992 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
17995 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
17997 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
17998 struct net_device *netdev, int cmd,
17999 const u8 *addr, gfp_t gfp)
18001 struct sk_buff *msg;
18004 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18008 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18014 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18015 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18016 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
18017 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
18018 goto nla_put_failure;
18020 genlmsg_end(msg, hdr);
18022 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18023 NL80211_MCGRP_MLME, gfp);
18030 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
18031 struct net_device *netdev, const u8 *addr,
18034 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
18038 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
18039 struct net_device *netdev, const u8 *addr,
18042 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
18046 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
18047 struct net_device *netdev,
18048 struct cfg80211_connect_resp_params *cr,
18051 struct sk_buff *msg;
18054 size_t link_info_size = 0;
18055 const u8 *connected_addr = cr->valid_links ?
18056 cr->ap_mld_addr : cr->links[0].bssid;
18058 if (cr->valid_links) {
18059 for_each_valid_link(cr, link) {
18060 /* Nested attribute header */
18061 link_info_size += NLA_HDRLEN;
18063 link_info_size += nla_total_size(sizeof(u8));
18064 link_info_size += cr->links[link].addr ?
18065 nla_total_size(ETH_ALEN) : 0;
18066 link_info_size += (cr->links[link].bssid ||
18067 cr->links[link].bss) ?
18068 nla_total_size(ETH_ALEN) : 0;
18069 link_info_size += nla_total_size(sizeof(u16));
18073 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
18074 cr->fils.kek_len + cr->fils.pmk_len +
18075 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0) + link_info_size,
18080 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
18086 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18087 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18089 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr)) ||
18090 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
18091 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
18094 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
18095 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
18096 cr->timeout_reason))) ||
18098 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
18100 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
18102 (cr->fils.update_erp_next_seq_num &&
18103 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
18104 cr->fils.erp_next_seq_num)) ||
18105 (cr->status == WLAN_STATUS_SUCCESS &&
18107 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
18110 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
18112 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
18113 goto nla_put_failure;
18115 if (cr->valid_links) {
18117 struct nlattr *nested;
18119 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18121 goto nla_put_failure;
18123 for_each_valid_link(cr, link) {
18124 struct nlattr *nested_mlo_links;
18125 const u8 *bssid = cr->links[link].bss ?
18126 cr->links[link].bss->bssid :
18127 cr->links[link].bssid;
18129 nested_mlo_links = nla_nest_start(msg, i);
18130 if (!nested_mlo_links)
18131 goto nla_put_failure;
18133 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
18135 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
18136 (cr->links[link].addr &&
18137 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
18138 cr->links[link].addr)) ||
18139 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
18140 cr->links[link].status))
18141 goto nla_put_failure;
18143 nla_nest_end(msg, nested_mlo_links);
18146 nla_nest_end(msg, nested);
18149 genlmsg_end(msg, hdr);
18151 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18152 NL80211_MCGRP_MLME, gfp);
18159 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
18160 struct net_device *netdev,
18161 struct cfg80211_roam_info *info, gfp_t gfp)
18163 struct sk_buff *msg;
18165 size_t link_info_size = 0;
18167 const u8 *connected_addr = info->ap_mld_addr ?
18168 info->ap_mld_addr :
18169 (info->links[0].bss ?
18170 info->links[0].bss->bssid :
18171 info->links[0].bssid);
18173 if (info->valid_links) {
18174 for_each_valid_link(info, link) {
18175 /* Nested attribute header */
18176 link_info_size += NLA_HDRLEN;
18178 link_info_size += nla_total_size(sizeof(u8));
18179 link_info_size += info->links[link].addr ?
18180 nla_total_size(ETH_ALEN) : 0;
18181 link_info_size += (info->links[link].bssid ||
18182 info->links[link].bss) ?
18183 nla_total_size(ETH_ALEN) : 0;
18187 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
18188 info->fils.kek_len + info->fils.pmk_len +
18189 (info->fils.pmkid ? WLAN_PMKID_LEN : 0) +
18190 link_info_size, gfp);
18194 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
18200 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18201 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18202 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr) ||
18204 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
18207 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
18209 (info->fils.update_erp_next_seq_num &&
18210 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
18211 info->fils.erp_next_seq_num)) ||
18213 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
18214 info->fils.kek)) ||
18216 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
18217 (info->fils.pmkid &&
18218 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
18219 goto nla_put_failure;
18221 if (info->valid_links) {
18223 struct nlattr *nested;
18225 nested = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18227 goto nla_put_failure;
18229 for_each_valid_link(info, link) {
18230 struct nlattr *nested_mlo_links;
18231 const u8 *bssid = info->links[link].bss ?
18232 info->links[link].bss->bssid :
18233 info->links[link].bssid;
18235 nested_mlo_links = nla_nest_start(msg, i);
18236 if (!nested_mlo_links)
18237 goto nla_put_failure;
18239 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link) ||
18241 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, bssid)) ||
18242 (info->links[link].addr &&
18243 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
18244 info->links[link].addr)))
18245 goto nla_put_failure;
18247 nla_nest_end(msg, nested_mlo_links);
18250 nla_nest_end(msg, nested);
18253 genlmsg_end(msg, hdr);
18255 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18256 NL80211_MCGRP_MLME, gfp);
18263 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
18264 struct net_device *netdev, const u8 *bssid,
18265 const u8 *td_bitmap, u8 td_bitmap_len)
18267 struct sk_buff *msg;
18270 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18274 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
18280 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18281 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18282 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18283 goto nla_put_failure;
18285 if ((td_bitmap_len > 0) && td_bitmap)
18286 if (nla_put(msg, NL80211_ATTR_TD_BITMAP,
18287 td_bitmap_len, td_bitmap))
18288 goto nla_put_failure;
18290 genlmsg_end(msg, hdr);
18292 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18293 NL80211_MCGRP_MLME, GFP_KERNEL);
18300 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
18301 struct net_device *netdev, u16 reason,
18302 const u8 *ie, size_t ie_len, bool from_ap)
18304 struct sk_buff *msg;
18307 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
18311 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
18317 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18318 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18320 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
18322 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
18323 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
18324 goto nla_put_failure;
18326 genlmsg_end(msg, hdr);
18328 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18329 NL80211_MCGRP_MLME, GFP_KERNEL);
18336 void cfg80211_links_removed(struct net_device *dev, u16 link_mask)
18338 struct wireless_dev *wdev = dev->ieee80211_ptr;
18339 struct wiphy *wiphy = wdev->wiphy;
18340 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18341 struct sk_buff *msg;
18342 struct nlattr *links;
18345 ASSERT_WDEV_LOCK(wdev);
18346 trace_cfg80211_links_removed(dev, link_mask);
18348 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
18349 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
18352 if (WARN_ON(!wdev->valid_links || !link_mask ||
18353 (wdev->valid_links & link_mask) != link_mask ||
18354 wdev->valid_links == link_mask))
18357 cfg80211_wdev_release_link_bsses(wdev, link_mask);
18358 wdev->valid_links &= ~link_mask;
18360 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18364 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_LINKS_REMOVED);
18370 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18371 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
18372 goto nla_put_failure;
18374 links = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
18376 goto nla_put_failure;
18378 while (link_mask) {
18379 struct nlattr *link;
18380 int link_id = __ffs(link_mask);
18382 link = nla_nest_start(msg, link_id + 1);
18384 goto nla_put_failure;
18386 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
18387 goto nla_put_failure;
18389 nla_nest_end(msg, link);
18390 link_mask &= ~(1 << link_id);
18393 nla_nest_end(msg, links);
18395 genlmsg_end(msg, hdr);
18397 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18398 NL80211_MCGRP_MLME, GFP_KERNEL);
18404 EXPORT_SYMBOL(cfg80211_links_removed);
18406 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
18407 struct net_device *netdev, const u8 *bssid,
18410 struct sk_buff *msg;
18413 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18417 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
18423 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18424 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18425 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
18426 goto nla_put_failure;
18428 genlmsg_end(msg, hdr);
18430 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18431 NL80211_MCGRP_MLME, gfp);
18438 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
18439 const u8 *ie, u8 ie_len,
18440 int sig_dbm, gfp_t gfp)
18442 struct wireless_dev *wdev = dev->ieee80211_ptr;
18443 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18444 struct sk_buff *msg;
18447 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
18450 trace_cfg80211_notify_new_peer_candidate(dev, addr);
18452 msg = nlmsg_new(100 + ie_len, gfp);
18456 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
18462 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18463 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18464 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
18466 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
18468 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
18469 goto nla_put_failure;
18471 genlmsg_end(msg, hdr);
18473 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18474 NL80211_MCGRP_MLME, gfp);
18480 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
18482 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
18483 struct net_device *netdev, const u8 *addr,
18484 enum nl80211_key_type key_type, int key_id,
18485 const u8 *tsc, gfp_t gfp)
18487 struct sk_buff *msg;
18490 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18494 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
18500 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18501 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18502 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
18503 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
18505 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
18506 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
18507 goto nla_put_failure;
18509 genlmsg_end(msg, hdr);
18511 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18512 NL80211_MCGRP_MLME, gfp);
18519 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
18520 struct ieee80211_channel *channel_before,
18521 struct ieee80211_channel *channel_after)
18523 struct sk_buff *msg;
18525 struct nlattr *nl_freq;
18527 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
18531 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
18538 * Since we are applying the beacon hint to a wiphy we know its
18539 * wiphy_idx is valid
18541 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
18542 goto nla_put_failure;
18545 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
18547 goto nla_put_failure;
18549 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
18550 goto nla_put_failure;
18551 nla_nest_end(msg, nl_freq);
18554 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
18556 goto nla_put_failure;
18558 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
18559 goto nla_put_failure;
18560 nla_nest_end(msg, nl_freq);
18562 genlmsg_end(msg, hdr);
18565 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
18566 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
18575 static void nl80211_send_remain_on_chan_event(
18576 int cmd, struct cfg80211_registered_device *rdev,
18577 struct wireless_dev *wdev, u64 cookie,
18578 struct ieee80211_channel *chan,
18579 unsigned int duration, gfp_t gfp)
18581 struct sk_buff *msg;
18584 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18588 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18594 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18595 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18596 wdev->netdev->ifindex)) ||
18597 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18598 NL80211_ATTR_PAD) ||
18599 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
18600 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
18601 NL80211_CHAN_NO_HT) ||
18602 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
18604 goto nla_put_failure;
18606 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
18607 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
18608 goto nla_put_failure;
18610 genlmsg_end(msg, hdr);
18612 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18613 NL80211_MCGRP_MLME, gfp);
18620 void cfg80211_assoc_comeback(struct net_device *netdev,
18621 const u8 *ap_addr, u32 timeout)
18623 struct wireless_dev *wdev = netdev->ieee80211_ptr;
18624 struct wiphy *wiphy = wdev->wiphy;
18625 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18626 struct sk_buff *msg;
18629 trace_cfg80211_assoc_comeback(wdev, ap_addr, timeout);
18631 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18635 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ASSOC_COMEBACK);
18641 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18642 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18643 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ap_addr) ||
18644 nla_put_u32(msg, NL80211_ATTR_TIMEOUT, timeout))
18645 goto nla_put_failure;
18647 genlmsg_end(msg, hdr);
18649 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18650 NL80211_MCGRP_MLME, GFP_KERNEL);
18656 EXPORT_SYMBOL(cfg80211_assoc_comeback);
18658 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
18659 struct ieee80211_channel *chan,
18660 unsigned int duration, gfp_t gfp)
18662 struct wiphy *wiphy = wdev->wiphy;
18663 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18665 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
18666 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
18667 rdev, wdev, cookie, chan,
18670 EXPORT_SYMBOL(cfg80211_ready_on_channel);
18672 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
18673 struct ieee80211_channel *chan,
18676 struct wiphy *wiphy = wdev->wiphy;
18677 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18679 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
18680 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
18681 rdev, wdev, cookie, chan, 0, gfp);
18683 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
18685 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
18686 struct ieee80211_channel *chan,
18689 struct wiphy *wiphy = wdev->wiphy;
18690 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18692 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
18693 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
18694 rdev, wdev, cookie, chan, 0, gfp);
18696 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
18698 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
18699 struct station_info *sinfo, gfp_t gfp)
18701 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18702 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18703 struct sk_buff *msg;
18705 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
18707 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18711 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
18712 rdev, dev, mac_addr, sinfo) < 0) {
18717 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18718 NL80211_MCGRP_MLME, gfp);
18720 EXPORT_SYMBOL(cfg80211_new_sta);
18722 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
18723 struct station_info *sinfo, gfp_t gfp)
18725 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18726 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18727 struct sk_buff *msg;
18728 struct station_info empty_sinfo = {};
18731 sinfo = &empty_sinfo;
18733 trace_cfg80211_del_sta(dev, mac_addr);
18735 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18737 cfg80211_sinfo_release_content(sinfo);
18741 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
18742 rdev, dev, mac_addr, sinfo) < 0) {
18747 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18748 NL80211_MCGRP_MLME, gfp);
18750 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
18752 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
18753 enum nl80211_connect_failed_reason reason,
18756 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
18757 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18758 struct sk_buff *msg;
18761 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
18765 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
18771 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18772 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
18773 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
18774 goto nla_put_failure;
18776 genlmsg_end(msg, hdr);
18778 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18779 NL80211_MCGRP_MLME, gfp);
18785 EXPORT_SYMBOL(cfg80211_conn_failed);
18787 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
18788 const u8 *addr, gfp_t gfp)
18790 struct wireless_dev *wdev = dev->ieee80211_ptr;
18791 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18792 struct sk_buff *msg;
18794 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
18799 msg = nlmsg_new(100, gfp);
18803 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
18809 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18810 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18811 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
18812 goto nla_put_failure;
18814 genlmsg_end(msg, hdr);
18815 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18823 bool cfg80211_rx_spurious_frame(struct net_device *dev,
18824 const u8 *addr, gfp_t gfp)
18826 struct wireless_dev *wdev = dev->ieee80211_ptr;
18829 trace_cfg80211_rx_spurious_frame(dev, addr);
18831 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18832 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
18833 trace_cfg80211_return_bool(false);
18836 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
18838 trace_cfg80211_return_bool(ret);
18841 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
18843 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
18844 const u8 *addr, gfp_t gfp)
18846 struct wireless_dev *wdev = dev->ieee80211_ptr;
18849 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
18851 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
18852 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
18853 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
18854 trace_cfg80211_return_bool(false);
18857 ret = __nl80211_unexpected_frame(dev,
18858 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
18860 trace_cfg80211_return_bool(ret);
18863 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
18865 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
18866 struct wireless_dev *wdev, u32 nlportid,
18867 struct cfg80211_rx_info *info, gfp_t gfp)
18869 struct net_device *netdev = wdev->netdev;
18870 struct sk_buff *msg;
18873 msg = nlmsg_new(100 + info->len, gfp);
18877 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
18883 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18884 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18885 netdev->ifindex)) ||
18886 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18887 NL80211_ATTR_PAD) ||
18888 (info->have_link_id &&
18889 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, info->link_id)) ||
18890 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(info->freq)) ||
18891 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, info->freq % 1000) ||
18893 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, info->sig_dbm)) ||
18894 nla_put(msg, NL80211_ATTR_FRAME, info->len, info->buf) ||
18896 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, info->flags)) ||
18897 (info->rx_tstamp && nla_put_u64_64bit(msg,
18898 NL80211_ATTR_RX_HW_TIMESTAMP,
18900 NL80211_ATTR_PAD)) ||
18901 (info->ack_tstamp && nla_put_u64_64bit(msg,
18902 NL80211_ATTR_TX_HW_TIMESTAMP,
18904 NL80211_ATTR_PAD)))
18905 goto nla_put_failure;
18907 genlmsg_end(msg, hdr);
18909 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18916 static void nl80211_frame_tx_status(struct wireless_dev *wdev,
18917 struct cfg80211_tx_status *status,
18918 gfp_t gfp, enum nl80211_commands command)
18920 struct wiphy *wiphy = wdev->wiphy;
18921 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18922 struct net_device *netdev = wdev->netdev;
18923 struct sk_buff *msg;
18926 if (command == NL80211_CMD_FRAME_TX_STATUS)
18927 trace_cfg80211_mgmt_tx_status(wdev, status->cookie,
18930 trace_cfg80211_control_port_tx_status(wdev, status->cookie,
18933 msg = nlmsg_new(100 + status->len, gfp);
18937 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
18943 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18944 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18945 netdev->ifindex)) ||
18946 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18947 NL80211_ATTR_PAD) ||
18948 nla_put(msg, NL80211_ATTR_FRAME, status->len, status->buf) ||
18949 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, status->cookie,
18950 NL80211_ATTR_PAD) ||
18951 (status->ack && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
18952 (status->tx_tstamp &&
18953 nla_put_u64_64bit(msg, NL80211_ATTR_TX_HW_TIMESTAMP,
18954 status->tx_tstamp, NL80211_ATTR_PAD)) ||
18955 (status->ack_tstamp &&
18956 nla_put_u64_64bit(msg, NL80211_ATTR_RX_HW_TIMESTAMP,
18957 status->ack_tstamp, NL80211_ATTR_PAD)))
18958 goto nla_put_failure;
18960 genlmsg_end(msg, hdr);
18962 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18963 NL80211_MCGRP_MLME, gfp);
18970 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
18971 const u8 *buf, size_t len, bool ack,
18974 struct cfg80211_tx_status status = {
18981 nl80211_frame_tx_status(wdev, &status, gfp,
18982 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
18984 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
18986 void cfg80211_mgmt_tx_status_ext(struct wireless_dev *wdev,
18987 struct cfg80211_tx_status *status, gfp_t gfp)
18989 nl80211_frame_tx_status(wdev, status, gfp, NL80211_CMD_FRAME_TX_STATUS);
18991 EXPORT_SYMBOL(cfg80211_mgmt_tx_status_ext);
18993 static int __nl80211_rx_control_port(struct net_device *dev,
18994 struct sk_buff *skb,
18999 struct wireless_dev *wdev = dev->ieee80211_ptr;
19000 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19001 struct ethhdr *ehdr = eth_hdr(skb);
19002 const u8 *addr = ehdr->h_source;
19003 u16 proto = be16_to_cpu(skb->protocol);
19004 struct sk_buff *msg;
19006 struct nlattr *frame;
19008 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
19013 msg = nlmsg_new(100 + skb->len, gfp);
19017 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
19023 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19024 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19025 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19026 NL80211_ATTR_PAD) ||
19027 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
19028 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
19030 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
19031 (unencrypted && nla_put_flag(msg,
19032 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
19033 goto nla_put_failure;
19035 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
19037 goto nla_put_failure;
19039 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
19040 genlmsg_end(msg, hdr);
19042 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
19049 bool cfg80211_rx_control_port(struct net_device *dev, struct sk_buff *skb,
19050 bool unencrypted, int link_id)
19054 trace_cfg80211_rx_control_port(dev, skb, unencrypted, link_id);
19055 ret = __nl80211_rx_control_port(dev, skb, unencrypted, link_id,
19057 trace_cfg80211_return_bool(ret == 0);
19060 EXPORT_SYMBOL(cfg80211_rx_control_port);
19062 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
19063 const char *mac, gfp_t gfp)
19065 struct wireless_dev *wdev = dev->ieee80211_ptr;
19066 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19067 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19073 cb = (void **)msg->cb;
19075 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
19081 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19082 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19083 goto nla_put_failure;
19085 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
19086 goto nla_put_failure;
19088 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
19090 goto nla_put_failure;
19100 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
19102 void **cb = (void **)msg->cb;
19103 struct cfg80211_registered_device *rdev = cb[2];
19105 nla_nest_end(msg, cb[1]);
19106 genlmsg_end(msg, cb[0]);
19108 memset(msg->cb, 0, sizeof(msg->cb));
19110 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19111 NL80211_MCGRP_MLME, gfp);
19114 void cfg80211_cqm_rssi_notify(struct net_device *dev,
19115 enum nl80211_cqm_rssi_threshold_event rssi_event,
19116 s32 rssi_level, gfp_t gfp)
19118 struct wireless_dev *wdev = dev->ieee80211_ptr;
19119 struct cfg80211_cqm_config *cqm_config;
19121 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
19123 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
19124 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
19128 cqm_config = rcu_dereference(wdev->cqm_config);
19130 cqm_config->last_rssi_event_value = rssi_level;
19131 cqm_config->last_rssi_event_type = rssi_event;
19132 wiphy_work_queue(wdev->wiphy, &wdev->cqm_rssi_work);
19136 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
19138 void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy, struct wiphy_work *work)
19140 struct wireless_dev *wdev = container_of(work, struct wireless_dev,
19142 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19143 enum nl80211_cqm_rssi_threshold_event rssi_event;
19144 struct cfg80211_cqm_config *cqm_config;
19145 struct sk_buff *msg;
19149 cqm_config = rcu_dereference_protected(wdev->cqm_config,
19150 lockdep_is_held(&wdev->mtx));
19154 if (cqm_config->use_range_api)
19155 cfg80211_cqm_rssi_update(rdev, wdev->netdev, cqm_config);
19157 rssi_level = cqm_config->last_rssi_event_value;
19158 rssi_event = cqm_config->last_rssi_event_type;
19160 msg = cfg80211_prepare_cqm(wdev->netdev, NULL, GFP_KERNEL);
19164 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
19166 goto nla_put_failure;
19168 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
19170 goto nla_put_failure;
19172 cfg80211_send_cqm(msg, GFP_KERNEL);
19182 void cfg80211_cqm_txe_notify(struct net_device *dev,
19183 const u8 *peer, u32 num_packets,
19184 u32 rate, u32 intvl, gfp_t gfp)
19186 struct sk_buff *msg;
19188 msg = cfg80211_prepare_cqm(dev, peer, gfp);
19192 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
19193 goto nla_put_failure;
19195 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
19196 goto nla_put_failure;
19198 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
19199 goto nla_put_failure;
19201 cfg80211_send_cqm(msg, gfp);
19207 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
19209 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
19210 const u8 *peer, u32 num_packets, gfp_t gfp)
19212 struct sk_buff *msg;
19214 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
19216 msg = cfg80211_prepare_cqm(dev, peer, gfp);
19220 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
19221 goto nla_put_failure;
19223 cfg80211_send_cqm(msg, gfp);
19229 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
19231 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
19233 struct sk_buff *msg;
19235 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
19239 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
19240 goto nla_put_failure;
19242 cfg80211_send_cqm(msg, gfp);
19248 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
19250 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
19251 struct net_device *netdev, const u8 *bssid,
19252 const u8 *replay_ctr, gfp_t gfp)
19254 struct sk_buff *msg;
19255 struct nlattr *rekey_attr;
19258 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19262 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
19268 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19269 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19270 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
19271 goto nla_put_failure;
19273 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
19275 goto nla_put_failure;
19277 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
19278 NL80211_REPLAY_CTR_LEN, replay_ctr))
19279 goto nla_put_failure;
19281 nla_nest_end(msg, rekey_attr);
19283 genlmsg_end(msg, hdr);
19285 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19286 NL80211_MCGRP_MLME, gfp);
19293 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
19294 const u8 *replay_ctr, gfp_t gfp)
19296 struct wireless_dev *wdev = dev->ieee80211_ptr;
19297 struct wiphy *wiphy = wdev->wiphy;
19298 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19300 trace_cfg80211_gtk_rekey_notify(dev, bssid);
19301 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
19303 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
19306 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
19307 struct net_device *netdev, int index,
19308 const u8 *bssid, bool preauth, gfp_t gfp)
19310 struct sk_buff *msg;
19311 struct nlattr *attr;
19314 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19318 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
19324 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19325 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
19326 goto nla_put_failure;
19328 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
19330 goto nla_put_failure;
19332 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
19333 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
19335 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
19336 goto nla_put_failure;
19338 nla_nest_end(msg, attr);
19340 genlmsg_end(msg, hdr);
19342 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19343 NL80211_MCGRP_MLME, gfp);
19350 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
19351 const u8 *bssid, bool preauth, gfp_t gfp)
19353 struct wireless_dev *wdev = dev->ieee80211_ptr;
19354 struct wiphy *wiphy = wdev->wiphy;
19355 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19357 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
19358 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
19360 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
19362 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
19363 struct net_device *netdev,
19364 unsigned int link_id,
19365 struct cfg80211_chan_def *chandef,
19367 enum nl80211_commands notif,
19368 u8 count, bool quiet, u16 punct_bitmap)
19370 struct wireless_dev *wdev = netdev->ieee80211_ptr;
19371 struct sk_buff *msg;
19374 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19378 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
19384 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
19385 goto nla_put_failure;
19387 if (wdev->valid_links &&
19388 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
19389 goto nla_put_failure;
19391 if (nl80211_send_chandef(msg, chandef))
19392 goto nla_put_failure;
19394 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
19395 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
19396 goto nla_put_failure;
19398 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
19399 goto nla_put_failure;
19402 if (nla_put_u32(msg, NL80211_ATTR_PUNCT_BITMAP, punct_bitmap))
19403 goto nla_put_failure;
19405 genlmsg_end(msg, hdr);
19407 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19408 NL80211_MCGRP_MLME, gfp);
19415 void cfg80211_ch_switch_notify(struct net_device *dev,
19416 struct cfg80211_chan_def *chandef,
19417 unsigned int link_id, u16 punct_bitmap)
19419 struct wireless_dev *wdev = dev->ieee80211_ptr;
19420 struct wiphy *wiphy = wdev->wiphy;
19421 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19423 ASSERT_WDEV_LOCK(wdev);
19424 WARN_INVALID_LINK_ID(wdev, link_id);
19426 trace_cfg80211_ch_switch_notify(dev, chandef, link_id, punct_bitmap);
19428 switch (wdev->iftype) {
19429 case NL80211_IFTYPE_STATION:
19430 case NL80211_IFTYPE_P2P_CLIENT:
19431 if (!WARN_ON(!wdev->links[link_id].client.current_bss))
19432 cfg80211_update_assoc_bss_entry(wdev, link_id,
19435 case NL80211_IFTYPE_MESH_POINT:
19436 wdev->u.mesh.chandef = *chandef;
19437 wdev->u.mesh.preset_chandef = *chandef;
19439 case NL80211_IFTYPE_AP:
19440 case NL80211_IFTYPE_P2P_GO:
19441 wdev->links[link_id].ap.chandef = *chandef;
19443 case NL80211_IFTYPE_ADHOC:
19444 wdev->u.ibss.chandef = *chandef;
19451 cfg80211_sched_dfs_chan_update(rdev);
19453 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
19454 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false,
19457 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
19459 void cfg80211_ch_switch_started_notify(struct net_device *dev,
19460 struct cfg80211_chan_def *chandef,
19461 unsigned int link_id, u8 count,
19462 bool quiet, u16 punct_bitmap)
19464 struct wireless_dev *wdev = dev->ieee80211_ptr;
19465 struct wiphy *wiphy = wdev->wiphy;
19466 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19468 ASSERT_WDEV_LOCK(wdev);
19469 WARN_INVALID_LINK_ID(wdev, link_id);
19471 trace_cfg80211_ch_switch_started_notify(dev, chandef, link_id,
19475 nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
19476 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
19477 count, quiet, punct_bitmap);
19479 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
19481 int cfg80211_bss_color_notify(struct net_device *dev,
19482 enum nl80211_commands cmd, u8 count,
19485 struct wireless_dev *wdev = dev->ieee80211_ptr;
19486 struct wiphy *wiphy = wdev->wiphy;
19487 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19488 struct sk_buff *msg;
19491 ASSERT_WDEV_LOCK(wdev);
19493 trace_cfg80211_bss_color_notify(dev, cmd, count, color_bitmap);
19495 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
19499 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
19501 goto nla_put_failure;
19503 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19504 goto nla_put_failure;
19506 if (cmd == NL80211_CMD_COLOR_CHANGE_STARTED &&
19507 nla_put_u32(msg, NL80211_ATTR_COLOR_CHANGE_COUNT, count))
19508 goto nla_put_failure;
19510 if (cmd == NL80211_CMD_OBSS_COLOR_COLLISION &&
19511 nla_put_u64_64bit(msg, NL80211_ATTR_OBSS_COLOR_BITMAP,
19512 color_bitmap, NL80211_ATTR_PAD))
19513 goto nla_put_failure;
19515 genlmsg_end(msg, hdr);
19517 return genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
19518 msg, 0, NL80211_MCGRP_MLME, GFP_KERNEL);
19524 EXPORT_SYMBOL(cfg80211_bss_color_notify);
19527 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
19528 const struct cfg80211_chan_def *chandef,
19529 enum nl80211_radar_event event,
19530 struct net_device *netdev, gfp_t gfp)
19532 struct sk_buff *msg;
19535 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19539 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
19545 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19546 goto nla_put_failure;
19548 /* NOP and radar events don't need a netdev parameter */
19550 struct wireless_dev *wdev = netdev->ieee80211_ptr;
19552 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
19553 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19555 goto nla_put_failure;
19558 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
19559 goto nla_put_failure;
19561 if (nl80211_send_chandef(msg, chandef))
19562 goto nla_put_failure;
19564 genlmsg_end(msg, hdr);
19566 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19567 NL80211_MCGRP_MLME, gfp);
19574 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
19575 struct sta_opmode_info *sta_opmode,
19578 struct sk_buff *msg;
19579 struct wireless_dev *wdev = dev->ieee80211_ptr;
19580 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19586 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19590 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
19596 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
19597 goto nla_put_failure;
19599 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
19600 goto nla_put_failure;
19602 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
19603 goto nla_put_failure;
19605 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
19606 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
19607 goto nla_put_failure;
19609 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
19610 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
19611 goto nla_put_failure;
19613 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
19614 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
19615 goto nla_put_failure;
19617 genlmsg_end(msg, hdr);
19619 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19620 NL80211_MCGRP_MLME, gfp);
19627 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
19629 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
19630 u64 cookie, bool acked, s32 ack_signal,
19631 bool is_valid_ack_signal, gfp_t gfp)
19633 struct wireless_dev *wdev = dev->ieee80211_ptr;
19634 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19635 struct sk_buff *msg;
19638 trace_cfg80211_probe_status(dev, addr, cookie, acked);
19640 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19645 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
19651 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19652 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19653 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
19654 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
19655 NL80211_ATTR_PAD) ||
19656 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
19657 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
19659 goto nla_put_failure;
19661 genlmsg_end(msg, hdr);
19663 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19664 NL80211_MCGRP_MLME, gfp);
19670 EXPORT_SYMBOL(cfg80211_probe_status);
19672 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
19673 size_t len, int freq, int sig_dbm)
19675 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
19676 struct sk_buff *msg;
19678 struct cfg80211_beacon_registration *reg;
19680 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
19682 spin_lock_bh(&rdev->beacon_registrations_lock);
19683 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
19684 msg = nlmsg_new(len + 100, GFP_ATOMIC);
19686 spin_unlock_bh(&rdev->beacon_registrations_lock);
19690 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
19692 goto nla_put_failure;
19694 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19696 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
19697 KHZ_TO_MHZ(freq)) ||
19698 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
19701 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19702 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
19703 goto nla_put_failure;
19705 genlmsg_end(msg, hdr);
19707 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
19709 spin_unlock_bh(&rdev->beacon_registrations_lock);
19713 spin_unlock_bh(&rdev->beacon_registrations_lock);
19716 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
19719 static int cfg80211_net_detect_results(struct sk_buff *msg,
19720 struct cfg80211_wowlan_wakeup *wakeup)
19722 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
19723 struct nlattr *nl_results, *nl_match, *nl_freqs;
19726 nl_results = nla_nest_start_noflag(msg,
19727 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
19731 for (i = 0; i < nd->n_matches; i++) {
19732 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
19734 nl_match = nla_nest_start_noflag(msg, i);
19738 /* The SSID attribute is optional in nl80211, but for
19739 * simplicity reasons it's always present in the
19740 * cfg80211 structure. If a driver can't pass the
19741 * SSID, that needs to be changed. A zero length SSID
19742 * is still a valid SSID (wildcard), so it cannot be
19743 * used for this purpose.
19745 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
19746 match->ssid.ssid)) {
19747 nla_nest_cancel(msg, nl_match);
19751 if (match->n_channels) {
19752 nl_freqs = nla_nest_start_noflag(msg,
19753 NL80211_ATTR_SCAN_FREQUENCIES);
19755 nla_nest_cancel(msg, nl_match);
19759 for (j = 0; j < match->n_channels; j++) {
19760 if (nla_put_u32(msg, j, match->channels[j])) {
19761 nla_nest_cancel(msg, nl_freqs);
19762 nla_nest_cancel(msg, nl_match);
19767 nla_nest_end(msg, nl_freqs);
19770 nla_nest_end(msg, nl_match);
19774 nla_nest_end(msg, nl_results);
19778 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
19779 struct cfg80211_wowlan_wakeup *wakeup,
19782 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19783 struct sk_buff *msg;
19787 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
19790 size += wakeup->packet_present_len;
19792 msg = nlmsg_new(size, gfp);
19796 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
19800 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19801 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
19805 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
19806 wdev->netdev->ifindex))
19810 struct nlattr *reasons;
19812 reasons = nla_nest_start_noflag(msg,
19813 NL80211_ATTR_WOWLAN_TRIGGERS);
19817 if (wakeup->disconnect &&
19818 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
19820 if (wakeup->magic_pkt &&
19821 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
19823 if (wakeup->gtk_rekey_failure &&
19824 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
19826 if (wakeup->eap_identity_req &&
19827 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
19829 if (wakeup->four_way_handshake &&
19830 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
19832 if (wakeup->rfkill_release &&
19833 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
19836 if (wakeup->pattern_idx >= 0 &&
19837 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
19838 wakeup->pattern_idx))
19841 if (wakeup->tcp_match &&
19842 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
19845 if (wakeup->tcp_connlost &&
19846 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
19849 if (wakeup->tcp_nomoretokens &&
19851 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
19854 if (wakeup->packet) {
19855 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
19856 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
19858 if (!wakeup->packet_80211) {
19860 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
19862 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
19865 if (wakeup->packet_len &&
19866 nla_put_u32(msg, len_attr, wakeup->packet_len))
19869 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
19874 if (wakeup->net_detect &&
19875 cfg80211_net_detect_results(msg, wakeup))
19878 nla_nest_end(msg, reasons);
19881 genlmsg_end(msg, hdr);
19883 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19884 NL80211_MCGRP_MLME, gfp);
19890 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
19893 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
19894 enum nl80211_tdls_operation oper,
19895 u16 reason_code, gfp_t gfp)
19897 struct wireless_dev *wdev = dev->ieee80211_ptr;
19898 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
19899 struct sk_buff *msg;
19902 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
19905 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
19909 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
19915 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
19916 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
19917 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
19918 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
19919 (reason_code > 0 &&
19920 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
19921 goto nla_put_failure;
19923 genlmsg_end(msg, hdr);
19925 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
19926 NL80211_MCGRP_MLME, gfp);
19932 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
19934 static int nl80211_netlink_notify(struct notifier_block * nb,
19935 unsigned long state,
19938 struct netlink_notify *notify = _notify;
19939 struct cfg80211_registered_device *rdev;
19940 struct wireless_dev *wdev;
19941 struct cfg80211_beacon_registration *reg, *tmp;
19943 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
19944 return NOTIFY_DONE;
19948 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
19949 struct cfg80211_sched_scan_request *sched_scan_req;
19951 list_for_each_entry_rcu(sched_scan_req,
19952 &rdev->sched_scan_req_list,
19954 if (sched_scan_req->owner_nlportid == notify->portid) {
19955 sched_scan_req->nl_owner_dead = true;
19956 wiphy_work_queue(&rdev->wiphy,
19957 &rdev->sched_scan_stop_wk);
19961 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
19962 cfg80211_mlme_unregister_socket(wdev, notify->portid);
19964 if (wdev->owner_nlportid == notify->portid) {
19965 wdev->nl_owner_dead = true;
19966 schedule_work(&rdev->destroy_work);
19967 } else if (wdev->conn_owner_nlportid == notify->portid) {
19968 schedule_work(&wdev->disconnect_wk);
19971 cfg80211_release_pmsr(wdev, notify->portid);
19974 spin_lock_bh(&rdev->beacon_registrations_lock);
19975 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
19977 if (reg->nlportid == notify->portid) {
19978 list_del(®->list);
19983 spin_unlock_bh(&rdev->beacon_registrations_lock);
19989 * It is possible that the user space process that is controlling the
19990 * indoor setting disappeared, so notify the regulatory core.
19992 regulatory_netlink_notify(notify->portid);
19996 static struct notifier_block nl80211_netlink_notifier = {
19997 .notifier_call = nl80211_netlink_notify,
20000 void cfg80211_ft_event(struct net_device *netdev,
20001 struct cfg80211_ft_event_params *ft_event)
20003 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
20004 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
20005 struct sk_buff *msg;
20008 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
20010 if (!ft_event->target_ap)
20013 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
20018 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
20022 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20023 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
20024 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
20027 if (ft_event->ies &&
20028 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
20030 if (ft_event->ric_ies &&
20031 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
20032 ft_event->ric_ies))
20035 genlmsg_end(msg, hdr);
20037 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
20038 NL80211_MCGRP_MLME, GFP_KERNEL);
20043 EXPORT_SYMBOL(cfg80211_ft_event);
20045 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
20047 struct cfg80211_registered_device *rdev;
20048 struct sk_buff *msg;
20052 rdev = wiphy_to_rdev(wdev->wiphy);
20053 if (!rdev->crit_proto_nlportid)
20056 nlportid = rdev->crit_proto_nlportid;
20057 rdev->crit_proto_nlportid = 0;
20059 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
20063 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
20065 goto nla_put_failure;
20067 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20068 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
20070 goto nla_put_failure;
20072 genlmsg_end(msg, hdr);
20074 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
20080 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
20082 void nl80211_send_ap_stopped(struct wireless_dev *wdev, unsigned int link_id)
20084 struct wiphy *wiphy = wdev->wiphy;
20085 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
20086 struct sk_buff *msg;
20089 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
20093 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
20097 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20098 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
20099 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
20100 NL80211_ATTR_PAD) ||
20101 (wdev->valid_links &&
20102 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)))
20105 genlmsg_end(msg, hdr);
20107 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
20108 NL80211_MCGRP_MLME, GFP_KERNEL);
20114 int cfg80211_external_auth_request(struct net_device *dev,
20115 struct cfg80211_external_auth_params *params,
20118 struct wireless_dev *wdev = dev->ieee80211_ptr;
20119 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
20120 struct sk_buff *msg;
20123 if (!wdev->conn_owner_nlportid)
20126 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
20130 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
20132 goto nla_put_failure;
20134 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20135 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
20136 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
20137 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
20139 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
20140 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
20141 params->ssid.ssid) ||
20142 (!is_zero_ether_addr(params->mld_addr) &&
20143 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN, params->mld_addr)))
20144 goto nla_put_failure;
20146 genlmsg_end(msg, hdr);
20147 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
20148 wdev->conn_owner_nlportid);
20155 EXPORT_SYMBOL(cfg80211_external_auth_request);
20157 void cfg80211_update_owe_info_event(struct net_device *netdev,
20158 struct cfg80211_update_owe_info *owe_info,
20161 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
20162 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
20163 struct sk_buff *msg;
20166 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
20168 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
20172 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
20174 goto nla_put_failure;
20176 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
20177 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
20178 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
20179 goto nla_put_failure;
20181 if (!owe_info->ie_len ||
20182 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
20183 goto nla_put_failure;
20185 if (owe_info->assoc_link_id != -1) {
20186 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
20187 owe_info->assoc_link_id))
20188 goto nla_put_failure;
20190 if (!is_zero_ether_addr(owe_info->peer_mld_addr) &&
20191 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
20192 owe_info->peer_mld_addr))
20193 goto nla_put_failure;
20196 genlmsg_end(msg, hdr);
20198 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
20199 NL80211_MCGRP_MLME, gfp);
20203 genlmsg_cancel(msg, hdr);
20206 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
20208 /* initialisation/exit functions */
20210 int __init nl80211_init(void)
20214 err = genl_register_family(&nl80211_fam);
20218 err = netlink_register_notifier(&nl80211_netlink_notifier);
20224 genl_unregister_family(&nl80211_fam);
20228 void nl80211_exit(void)
20230 netlink_unregister_notifier(&nl80211_netlink_notifier);
20231 genl_unregister_family(&nl80211_fam);