1 // SPDX-License-Identifier: GPL-2.0-only
3 * This is the new netlink-based wireless configuration interface.
5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2013-2014 Intel Mobile Communications GmbH
7 * Copyright 2015-2017 Intel Deutschland GmbH
8 * Copyright (C) 2018-2022 Intel Corporation
12 #include <linux/module.h>
13 #include <linux/err.h>
14 #include <linux/slab.h>
15 #include <linux/list.h>
16 #include <linux/if_ether.h>
17 #include <linux/ieee80211.h>
18 #include <linux/nl80211.h>
19 #include <linux/rtnetlink.h>
20 #include <linux/netlink.h>
21 #include <linux/nospec.h>
22 #include <linux/etherdevice.h>
23 #include <linux/if_vlan.h>
24 #include <net/net_namespace.h>
25 #include <net/genetlink.h>
26 #include <net/cfg80211.h>
28 #include <net/inet_connection_sock.h>
34 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
35 struct genl_info *info,
36 struct cfg80211_crypto_settings *settings,
39 /* the netlink family */
40 static struct genl_family nl80211_fam;
42 /* multicast groups */
43 enum nl80211_multicast_groups {
46 NL80211_MCGRP_REGULATORY,
50 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
53 static const struct genl_multicast_group nl80211_mcgrps[] = {
54 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
55 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
56 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
57 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
58 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
59 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
60 #ifdef CONFIG_NL80211_TESTMODE
61 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
65 /* returns ERR_PTR values */
66 static struct wireless_dev *
67 __cfg80211_wdev_from_attrs(struct cfg80211_registered_device *rdev,
68 struct net *netns, struct nlattr **attrs)
70 struct wireless_dev *result = NULL;
71 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
72 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
77 if (!have_ifidx && !have_wdev_id)
78 return ERR_PTR(-EINVAL);
81 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
83 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
84 wiphy_idx = wdev_id >> 32;
88 struct wireless_dev *wdev;
90 lockdep_assert_held(&rdev->wiphy.mtx);
92 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
93 if (have_ifidx && wdev->netdev &&
94 wdev->netdev->ifindex == ifidx) {
98 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
104 return result ?: ERR_PTR(-ENODEV);
109 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
110 struct wireless_dev *wdev;
112 if (wiphy_net(&rdev->wiphy) != netns)
115 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
118 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
119 if (have_ifidx && wdev->netdev &&
120 wdev->netdev->ifindex == ifidx) {
124 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
136 return ERR_PTR(-ENODEV);
139 static struct cfg80211_registered_device *
140 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
142 struct cfg80211_registered_device *rdev = NULL, *tmp;
143 struct net_device *netdev;
147 if (!attrs[NL80211_ATTR_WIPHY] &&
148 !attrs[NL80211_ATTR_IFINDEX] &&
149 !attrs[NL80211_ATTR_WDEV])
150 return ERR_PTR(-EINVAL);
152 if (attrs[NL80211_ATTR_WIPHY])
153 rdev = cfg80211_rdev_by_wiphy_idx(
154 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
156 if (attrs[NL80211_ATTR_WDEV]) {
157 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
158 struct wireless_dev *wdev;
161 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
163 /* make sure wdev exists */
164 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
165 if (wdev->identifier != (u32)wdev_id)
174 if (rdev && tmp != rdev)
175 return ERR_PTR(-EINVAL);
180 if (attrs[NL80211_ATTR_IFINDEX]) {
181 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
183 netdev = __dev_get_by_index(netns, ifindex);
185 if (netdev->ieee80211_ptr)
187 netdev->ieee80211_ptr->wiphy);
191 /* not wireless device -- return error */
193 return ERR_PTR(-EINVAL);
195 /* mismatch -- return error */
196 if (rdev && tmp != rdev)
197 return ERR_PTR(-EINVAL);
204 return ERR_PTR(-ENODEV);
206 if (netns != wiphy_net(&rdev->wiphy))
207 return ERR_PTR(-ENODEV);
213 * This function returns a pointer to the driver
214 * that the genl_info item that is passed refers to.
216 * The result of this can be a PTR_ERR and hence must
217 * be checked with IS_ERR() for errors.
219 static struct cfg80211_registered_device *
220 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
222 return __cfg80211_rdev_from_attrs(netns, info->attrs);
225 static int validate_beacon_head(const struct nlattr *attr,
226 struct netlink_ext_ack *extack)
228 const u8 *data = nla_data(attr);
229 unsigned int len = nla_len(attr);
230 const struct element *elem;
231 const struct ieee80211_mgmt *mgmt = (void *)data;
232 unsigned int fixedlen, hdrlen;
235 if (len < offsetofend(typeof(*mgmt), frame_control))
238 s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control);
240 fixedlen = offsetof(struct ieee80211_ext,
241 u.s1g_beacon.variable);
242 hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon);
244 fixedlen = offsetof(struct ieee80211_mgmt,
246 hdrlen = offsetof(struct ieee80211_mgmt, u.beacon);
252 if (ieee80211_hdrlen(mgmt->frame_control) != hdrlen)
258 for_each_element(elem, data, len) {
262 if (for_each_element_completed(elem, data, len))
266 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
270 static int validate_ie_attr(const struct nlattr *attr,
271 struct netlink_ext_ack *extack)
273 const u8 *data = nla_data(attr);
274 unsigned int len = nla_len(attr);
275 const struct element *elem;
277 for_each_element(elem, data, len) {
281 if (for_each_element_completed(elem, data, len))
284 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
288 static int validate_he_capa(const struct nlattr *attr,
289 struct netlink_ext_ack *extack)
291 if (!ieee80211_he_capa_size_ok(nla_data(attr), nla_len(attr)))
297 /* policy for the attributes */
298 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
300 static const struct nla_policy
301 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
302 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
303 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
305 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
309 static const struct nla_policy
310 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
311 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
312 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
313 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
314 NLA_POLICY_MAX(NLA_U8, 15),
315 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
316 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
317 NLA_POLICY_MAX(NLA_U8, 15),
318 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
319 NLA_POLICY_MAX(NLA_U8, 31),
320 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
321 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
322 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
323 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
324 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
325 [NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK] = { .type = NLA_FLAG },
328 static const struct nla_policy
329 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
330 [NL80211_PMSR_TYPE_FTM] =
331 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
334 static const struct nla_policy
335 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
336 [NL80211_PMSR_REQ_ATTR_DATA] =
337 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
338 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
341 static const struct nla_policy
342 nl80211_pmsr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
343 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
344 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
345 [NL80211_PMSR_PEER_ATTR_REQ] =
346 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
347 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
350 static const struct nla_policy
351 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
352 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
353 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
354 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
355 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
356 [NL80211_PMSR_ATTR_PEERS] =
357 NLA_POLICY_NESTED_ARRAY(nl80211_pmsr_peer_attr_policy),
360 static const struct nla_policy
361 he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
362 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
363 NLA_POLICY_RANGE(NLA_U8, 1, 20),
364 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
365 NLA_POLICY_RANGE(NLA_U8, 1, 20),
366 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
367 NLA_POLICY_RANGE(NLA_U8, 1, 20),
368 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
369 NLA_POLICY_EXACT_LEN(8),
370 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
371 NLA_POLICY_EXACT_LEN(8),
372 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
375 static const struct nla_policy
376 he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
377 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
378 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
379 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
382 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
383 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
384 .len = NL80211_MAX_SUPP_RATES },
385 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
386 .len = NL80211_MAX_SUPP_HT_RATES },
387 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
388 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
389 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
390 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
391 NL80211_RATE_INFO_HE_GI_0_8,
392 NL80211_RATE_INFO_HE_GI_3_2),
393 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
394 NL80211_RATE_INFO_HE_1XLTF,
395 NL80211_RATE_INFO_HE_4XLTF),
398 static const struct nla_policy
399 nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
400 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
401 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
402 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
403 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
404 [NL80211_TID_CONFIG_ATTR_NOACK] =
405 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
406 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
407 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
408 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
409 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
410 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
411 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
412 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
413 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
414 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
415 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
416 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
417 NLA_POLICY_NESTED(nl80211_txattr_policy),
420 static const struct nla_policy
421 nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
422 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
423 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
424 [NL80211_FILS_DISCOVERY_ATTR_TMPL] =
425 NLA_POLICY_RANGE(NLA_BINARY,
426 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
427 IEEE80211_MAX_DATA_LEN),
430 static const struct nla_policy
431 nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
432 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
433 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
434 .len = IEEE80211_MAX_DATA_LEN }
437 static const struct nla_policy
438 sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = {
439 [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 },
440 [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 },
443 static const struct nla_policy
444 sar_policy[NL80211_SAR_ATTR_MAX + 1] = {
445 [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE),
446 [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy),
449 static const struct nla_policy
450 nl80211_mbssid_config_policy[NL80211_MBSSID_CONFIG_ATTR_MAX + 1] = {
451 [NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES] = NLA_POLICY_MIN(NLA_U8, 2),
452 [NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY] =
453 NLA_POLICY_MIN(NLA_U8, 1),
454 [NL80211_MBSSID_CONFIG_ATTR_INDEX] = { .type = NLA_U8 },
455 [NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX] = { .type = NLA_U32 },
456 [NL80211_MBSSID_CONFIG_ATTR_EMA] = { .type = NLA_FLAG },
459 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
460 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
461 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
462 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
464 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
466 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
467 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
468 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
469 NL80211_EDMG_CHANNELS_MIN,
470 NL80211_EDMG_CHANNELS_MAX),
471 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
472 NL80211_EDMG_BW_CONFIG_MIN,
473 NL80211_EDMG_BW_CONFIG_MAX),
475 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
476 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
477 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
478 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
480 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
481 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
482 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
483 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
484 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
485 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
487 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
488 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
489 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
491 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
492 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
494 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
495 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
496 .len = WLAN_MAX_KEY_LEN },
497 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
498 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
499 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
500 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
501 [NL80211_ATTR_KEY_TYPE] =
502 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
504 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
505 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
506 [NL80211_ATTR_BEACON_HEAD] =
507 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
508 IEEE80211_MAX_DATA_LEN),
509 [NL80211_ATTR_BEACON_TAIL] =
510 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
511 IEEE80211_MAX_DATA_LEN),
512 [NL80211_ATTR_STA_AID] =
513 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
514 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
515 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
516 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
517 .len = NL80211_MAX_SUPP_RATES },
518 [NL80211_ATTR_STA_PLINK_ACTION] =
519 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
520 [NL80211_ATTR_STA_TX_POWER_SETTING] =
521 NLA_POLICY_RANGE(NLA_U8,
522 NL80211_TX_POWER_AUTOMATIC,
523 NL80211_TX_POWER_FIXED),
524 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
525 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
526 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
527 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
528 .len = IEEE80211_MAX_MESH_ID_LEN },
529 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
531 /* allow 3 for NUL-termination, we used to declare this NLA_STRING */
532 [NL80211_ATTR_REG_ALPHA2] = NLA_POLICY_RANGE(NLA_BINARY, 2, 3),
533 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
535 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
536 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
537 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
538 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
539 .len = NL80211_MAX_SUPP_RATES },
540 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
542 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
543 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
545 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
547 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
548 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
550 IEEE80211_MAX_DATA_LEN),
551 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
552 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
554 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
555 .len = IEEE80211_MAX_SSID_LEN },
556 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
557 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
558 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
559 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
560 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
562 NL80211_MFP_OPTIONAL),
563 [NL80211_ATTR_STA_FLAGS2] = {
564 .len = sizeof(struct nl80211_sta_flag_update),
566 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
567 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
568 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
569 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
570 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
571 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
572 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
573 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
574 [NL80211_ATTR_PID] = { .type = NLA_U32 },
575 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
576 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
577 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
578 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
579 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
580 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
581 .len = IEEE80211_MAX_DATA_LEN },
582 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
583 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
586 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
587 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
588 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
589 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
590 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
591 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
592 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
593 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
594 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
595 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
596 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
597 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
598 [NL80211_ATTR_STA_PLINK_STATE] =
599 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
600 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
601 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
602 [NL80211_ATTR_MESH_PEER_AID] =
603 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
604 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
605 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
606 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
607 [NL80211_ATTR_HIDDEN_SSID] =
608 NLA_POLICY_RANGE(NLA_U32,
609 NL80211_HIDDEN_SSID_NOT_IN_USE,
610 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
611 [NL80211_ATTR_IE_PROBE_RESP] =
612 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
613 IEEE80211_MAX_DATA_LEN),
614 [NL80211_ATTR_IE_ASSOC_RESP] =
615 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
616 IEEE80211_MAX_DATA_LEN),
617 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
618 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
619 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
620 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
621 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
622 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
623 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
624 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
625 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
626 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
627 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
628 .len = IEEE80211_MAX_DATA_LEN },
629 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
630 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
631 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
632 .len = NL80211_HT_CAPABILITY_LEN
634 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
635 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
636 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
637 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
638 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
640 /* need to include at least Auth Transaction and Status Code */
641 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
643 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
644 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
645 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
646 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
647 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
648 NLA_POLICY_RANGE(NLA_U32,
649 NL80211_MESH_POWER_UNKNOWN + 1,
650 NL80211_MESH_POWER_MAX),
651 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
652 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
653 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
654 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
655 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
656 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
657 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
658 .len = NL80211_VHT_CAPABILITY_LEN,
660 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
661 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
662 .len = IEEE80211_MAX_DATA_LEN },
663 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
664 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
665 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
666 [NL80211_ATTR_PEER_AID] =
667 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
668 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
669 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
670 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
671 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
672 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
673 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
675 * The value of the Length field of the Supported Operating
676 * Classes element is between 2 and 253.
678 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
679 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
680 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
681 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
682 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
683 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
684 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
685 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
686 IEEE80211_QOS_MAP_LEN_MIN,
687 IEEE80211_QOS_MAP_LEN_MAX),
688 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
689 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
690 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
691 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
692 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
693 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
694 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
695 [NL80211_ATTR_USER_PRIO] =
696 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
697 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
698 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
699 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
700 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
701 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
702 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
703 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
704 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
705 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
706 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
707 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
708 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
709 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
710 .len = VHT_MUMIMO_GROUPS_DATA_LEN
712 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
713 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
714 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
715 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
716 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
717 .len = FILS_MAX_KEK_LEN },
718 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
719 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
720 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
721 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
722 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
723 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
725 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
726 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
727 .len = FILS_ERP_MAX_USERNAME_LEN },
728 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
729 .len = FILS_ERP_MAX_REALM_LEN },
730 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
731 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
732 .len = FILS_ERP_MAX_RRK_LEN },
733 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
734 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
735 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
736 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
737 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
739 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
740 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
741 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
742 [NL80211_ATTR_HE_CAPABILITY] =
743 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_he_capa,
744 NL80211_HE_MAX_CAPABILITY_LEN),
745 [NL80211_ATTR_FTM_RESPONDER] =
746 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
747 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
748 [NL80211_ATTR_PEER_MEASUREMENTS] =
749 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
750 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
751 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
752 .len = SAE_PASSWORD_MAX_LEN },
753 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
754 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
755 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
756 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
757 [NL80211_ATTR_TID_CONFIG] =
758 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
759 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
760 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
761 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
762 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
763 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
764 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
765 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
766 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
767 [NL80211_ATTR_FILS_DISCOVERY] =
768 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
769 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
770 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
771 [NL80211_ATTR_S1G_CAPABILITY] =
772 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
773 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
774 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
775 [NL80211_ATTR_SAE_PWE] =
776 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
777 NL80211_SAE_PWE_BOTH),
778 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
779 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
780 [NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG },
781 [NL80211_ATTR_OBSS_COLOR_BITMAP] = { .type = NLA_U64 },
782 [NL80211_ATTR_COLOR_CHANGE_COUNT] = { .type = NLA_U8 },
783 [NL80211_ATTR_COLOR_CHANGE_COLOR] = { .type = NLA_U8 },
784 [NL80211_ATTR_COLOR_CHANGE_ELEMS] = NLA_POLICY_NESTED(nl80211_policy),
785 [NL80211_ATTR_MBSSID_CONFIG] =
786 NLA_POLICY_NESTED(nl80211_mbssid_config_policy),
787 [NL80211_ATTR_MBSSID_ELEMS] = { .type = NLA_NESTED },
788 [NL80211_ATTR_RADAR_BACKGROUND] = { .type = NLA_FLAG },
789 [NL80211_ATTR_AP_SETTINGS_FLAGS] = { .type = NLA_U32 },
790 [NL80211_ATTR_EHT_CAPABILITY] =
791 NLA_POLICY_RANGE(NLA_BINARY,
792 NL80211_EHT_MIN_CAPABILITY_LEN,
793 NL80211_EHT_MAX_CAPABILITY_LEN),
796 /* policy for the key attributes */
797 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
798 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
799 [NL80211_KEY_IDX] = { .type = NLA_U8 },
800 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
801 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
802 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
803 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
804 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
805 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
806 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
809 /* policy for the key default flags */
810 static const struct nla_policy
811 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
812 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
813 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
817 /* policy for WoWLAN attributes */
818 static const struct nla_policy
819 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
820 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
821 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
822 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
823 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
824 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
825 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
826 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
827 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
828 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
829 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
832 static const struct nla_policy
833 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
834 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
835 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
836 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
837 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
838 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
839 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
840 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
841 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
843 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
844 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
846 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
847 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
848 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
850 #endif /* CONFIG_PM */
852 /* policy for coalesce rule attributes */
853 static const struct nla_policy
854 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
855 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
856 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
857 NLA_POLICY_RANGE(NLA_U32,
858 NL80211_COALESCE_CONDITION_MATCH,
859 NL80211_COALESCE_CONDITION_NO_MATCH),
860 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
863 /* policy for GTK rekey offload attributes */
864 static const struct nla_policy
865 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
866 [NL80211_REKEY_DATA_KEK] = {
868 .len = NL80211_KEK_EXT_LEN
870 [NL80211_REKEY_DATA_KCK] = {
872 .len = NL80211_KCK_EXT_LEN
874 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
875 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
878 static const struct nla_policy
879 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
880 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
881 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
882 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
883 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
884 [NL80211_BAND_LC] = { .type = NLA_S32 },
887 static const struct nla_policy
888 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
889 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
890 .len = IEEE80211_MAX_SSID_LEN },
891 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
892 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
893 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
894 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
897 static const struct nla_policy
898 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
899 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
900 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
903 static const struct nla_policy
904 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
905 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
906 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
907 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
908 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
912 /* policy for NAN function attributes */
913 static const struct nla_policy
914 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
915 [NL80211_NAN_FUNC_TYPE] =
916 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
917 [NL80211_NAN_FUNC_SERVICE_ID] = {
918 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
919 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
920 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
921 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
922 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
923 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
924 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
925 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
926 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
927 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
928 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
929 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
930 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
931 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
932 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
933 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
936 /* policy for Service Response Filter attributes */
937 static const struct nla_policy
938 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
939 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
940 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
941 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
942 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
943 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
946 /* policy for packet pattern attributes */
947 static const struct nla_policy
948 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
949 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
950 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
951 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
954 static int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
955 struct cfg80211_registered_device **rdev,
956 struct wireless_dev **wdev,
957 struct nlattr **attrbuf)
962 struct nlattr **attrbuf_free = NULL;
965 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
969 attrbuf_free = attrbuf;
972 err = nlmsg_parse_deprecated(cb->nlh,
973 GENL_HDRLEN + nl80211_fam.hdrsize,
974 attrbuf, nl80211_fam.maxattr,
975 nl80211_policy, NULL);
982 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
987 return PTR_ERR(*wdev);
989 *rdev = wiphy_to_rdev((*wdev)->wiphy);
990 mutex_lock(&(*rdev)->wiphy.mtx);
992 /* 0 is the first index - add 1 to parse only once */
993 cb->args[0] = (*rdev)->wiphy_idx + 1;
994 cb->args[1] = (*wdev)->identifier;
996 /* subtract the 1 again here */
998 struct wireless_dev *tmp;
1001 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
1006 *rdev = wiphy_to_rdev(wiphy);
1009 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
1010 if (tmp->identifier == cb->args[1]) {
1020 mutex_lock(&(*rdev)->wiphy.mtx);
1027 /* message building helper */
1028 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
1031 /* since there is no private header just add the generic one */
1032 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
1035 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
1036 const struct ieee80211_reg_rule *rule)
1039 struct nlattr *nl_wmm_rules =
1040 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
1043 goto nla_put_failure;
1045 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
1046 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
1049 goto nla_put_failure;
1051 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
1052 rule->wmm_rule.client[j].cw_min) ||
1053 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
1054 rule->wmm_rule.client[j].cw_max) ||
1055 nla_put_u8(msg, NL80211_WMMR_AIFSN,
1056 rule->wmm_rule.client[j].aifsn) ||
1057 nla_put_u16(msg, NL80211_WMMR_TXOP,
1058 rule->wmm_rule.client[j].cot))
1059 goto nla_put_failure;
1061 nla_nest_end(msg, nl_wmm_rule);
1063 nla_nest_end(msg, nl_wmm_rules);
1071 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
1072 struct ieee80211_channel *chan,
1075 /* Some channels must be completely excluded from the
1076 * list to protect old user-space tools from breaking
1078 if (!large && chan->flags &
1079 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1081 if (!large && chan->freq_offset)
1084 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1086 goto nla_put_failure;
1088 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1089 goto nla_put_failure;
1091 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1092 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1093 goto nla_put_failure;
1094 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1095 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1096 goto nla_put_failure;
1097 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1098 goto nla_put_failure;
1100 if (chan->flags & IEEE80211_CHAN_RADAR) {
1101 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1102 goto nla_put_failure;
1106 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1108 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1110 goto nla_put_failure;
1111 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1113 goto nla_put_failure;
1114 if (nla_put_u32(msg,
1115 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1117 goto nla_put_failure;
1122 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1123 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1124 goto nla_put_failure;
1125 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1126 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1127 goto nla_put_failure;
1128 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1129 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1130 goto nla_put_failure;
1131 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1132 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1133 goto nla_put_failure;
1134 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1135 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1136 goto nla_put_failure;
1137 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1138 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
1139 goto nla_put_failure;
1140 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1141 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1142 goto nla_put_failure;
1143 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1144 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1145 goto nla_put_failure;
1146 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1147 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1148 goto nla_put_failure;
1149 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1150 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1151 goto nla_put_failure;
1152 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1153 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1154 goto nla_put_failure;
1155 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1156 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1157 goto nla_put_failure;
1158 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1159 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1160 goto nla_put_failure;
1161 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1162 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1163 goto nla_put_failure;
1164 if ((chan->flags & IEEE80211_CHAN_NO_320MHZ) &&
1165 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_320MHZ))
1166 goto nla_put_failure;
1167 if ((chan->flags & IEEE80211_CHAN_NO_EHT) &&
1168 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_EHT))
1169 goto nla_put_failure;
1172 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1173 DBM_TO_MBM(chan->max_power)))
1174 goto nla_put_failure;
1177 const struct ieee80211_reg_rule *rule =
1178 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
1180 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
1181 if (nl80211_msg_put_wmm_rules(msg, rule))
1182 goto nla_put_failure;
1192 static bool nl80211_put_txq_stats(struct sk_buff *msg,
1193 struct cfg80211_txq_stats *txqstats,
1196 struct nlattr *txqattr;
1198 #define PUT_TXQVAL_U32(attr, memb) do { \
1199 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1200 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1204 txqattr = nla_nest_start_noflag(msg, attrtype);
1208 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1209 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1210 PUT_TXQVAL_U32(FLOWS, flows);
1211 PUT_TXQVAL_U32(DROPS, drops);
1212 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1213 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1214 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1215 PUT_TXQVAL_U32(COLLISIONS, collisions);
1216 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1217 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1218 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1219 nla_nest_end(msg, txqattr);
1221 #undef PUT_TXQVAL_U32
1225 /* netlink command implementations */
1228 struct key_params p;
1231 bool def, defmgmt, defbeacon;
1232 bool def_uni, def_multi;
1235 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1236 struct key_parse *k)
1238 struct nlattr *tb[NL80211_KEY_MAX + 1];
1239 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1245 k->def = !!tb[NL80211_KEY_DEFAULT];
1246 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1247 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
1251 k->def_multi = true;
1253 if (k->defmgmt || k->defbeacon)
1254 k->def_multi = true;
1256 if (tb[NL80211_KEY_IDX])
1257 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1259 if (tb[NL80211_KEY_DATA]) {
1260 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1261 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1264 if (tb[NL80211_KEY_SEQ]) {
1265 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1266 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1269 if (tb[NL80211_KEY_CIPHER])
1270 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1272 if (tb[NL80211_KEY_TYPE])
1273 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1275 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1276 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1278 err = nla_parse_nested_deprecated(kdt,
1279 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1280 tb[NL80211_KEY_DEFAULT_TYPES],
1281 nl80211_key_default_policy,
1286 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1287 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1290 if (tb[NL80211_KEY_MODE])
1291 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1296 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1298 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1299 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1300 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1303 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1304 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1305 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1308 if (info->attrs[NL80211_ATTR_KEY_IDX])
1309 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1311 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1312 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1314 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1315 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1319 k->def_multi = true;
1322 k->def_multi = true;
1324 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1325 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1327 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1328 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1329 int err = nla_parse_nested_deprecated(kdt,
1330 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1331 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1332 nl80211_key_default_policy,
1337 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1338 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1344 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1348 memset(k, 0, sizeof(*k));
1352 if (info->attrs[NL80211_ATTR_KEY])
1353 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1355 err = nl80211_parse_key_old(info, k);
1360 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1361 (k->defbeacon ? 1 : 0) > 1) {
1362 GENL_SET_ERR_MSG(info,
1363 "key with multiple default flags is invalid");
1367 if (k->defmgmt || k->defbeacon) {
1368 if (k->def_uni || !k->def_multi) {
1369 GENL_SET_ERR_MSG(info,
1370 "defmgmt/defbeacon key must be mcast");
1377 if (k->idx < 4 || k->idx > 5) {
1378 GENL_SET_ERR_MSG(info,
1379 "defmgmt key idx not 4 or 5");
1382 } else if (k->defbeacon) {
1383 if (k->idx < 6 || k->idx > 7) {
1384 GENL_SET_ERR_MSG(info,
1385 "defbeacon key idx not 6 or 7");
1388 } else if (k->def) {
1389 if (k->idx < 0 || k->idx > 3) {
1390 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1394 if (k->idx < 0 || k->idx > 7) {
1395 GENL_SET_ERR_MSG(info, "key idx not 0-7");
1404 static struct cfg80211_cached_keys *
1405 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1406 struct genl_info *info, bool *no_ht)
1408 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1409 struct key_parse parse;
1411 struct cfg80211_cached_keys *result;
1412 int rem, err, def = 0;
1413 bool have_key = false;
1415 nla_for_each_nested(key, keys, rem) {
1423 result = kzalloc(sizeof(*result), GFP_KERNEL);
1425 return ERR_PTR(-ENOMEM);
1429 nla_for_each_nested(key, keys, rem) {
1430 memset(&parse, 0, sizeof(parse));
1433 err = nl80211_parse_key_new(info, key, &parse);
1439 if (parse.idx < 0 || parse.idx > 3) {
1440 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1445 GENL_SET_ERR_MSG(info,
1446 "only one key can be default");
1450 result->def = parse.idx;
1451 if (!parse.def_uni || !parse.def_multi)
1453 } else if (parse.defmgmt)
1455 err = cfg80211_validate_key_settings(rdev, &parse.p,
1456 parse.idx, false, NULL);
1459 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1460 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1461 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1465 result->params[parse.idx].cipher = parse.p.cipher;
1466 result->params[parse.idx].key_len = parse.p.key_len;
1467 result->params[parse.idx].key = result->data[parse.idx];
1468 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1470 /* must be WEP key if we got here */
1475 if (result->def < 0) {
1477 GENL_SET_ERR_MSG(info, "need a default/TX key");
1484 return ERR_PTR(err);
1487 static int nl80211_key_allowed(struct wireless_dev *wdev)
1489 ASSERT_WDEV_LOCK(wdev);
1491 switch (wdev->iftype) {
1492 case NL80211_IFTYPE_AP:
1493 case NL80211_IFTYPE_AP_VLAN:
1494 case NL80211_IFTYPE_P2P_GO:
1495 case NL80211_IFTYPE_MESH_POINT:
1497 case NL80211_IFTYPE_ADHOC:
1498 case NL80211_IFTYPE_STATION:
1499 case NL80211_IFTYPE_P2P_CLIENT:
1500 if (!wdev->current_bss)
1503 case NL80211_IFTYPE_UNSPECIFIED:
1504 case NL80211_IFTYPE_OCB:
1505 case NL80211_IFTYPE_MONITOR:
1506 case NL80211_IFTYPE_NAN:
1507 case NL80211_IFTYPE_P2P_DEVICE:
1508 case NL80211_IFTYPE_WDS:
1509 case NUM_NL80211_IFTYPES:
1516 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1519 struct ieee80211_channel *chan;
1521 chan = ieee80211_get_channel_khz(wiphy, freq);
1522 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1527 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1529 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1533 goto nla_put_failure;
1537 if ((ifmodes & 1) && nla_put_flag(msg, i))
1538 goto nla_put_failure;
1543 nla_nest_end(msg, nl_modes);
1550 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1551 struct sk_buff *msg,
1554 struct nlattr *nl_combis;
1557 nl_combis = nla_nest_start_noflag(msg,
1558 NL80211_ATTR_INTERFACE_COMBINATIONS);
1560 goto nla_put_failure;
1562 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1563 const struct ieee80211_iface_combination *c;
1564 struct nlattr *nl_combi, *nl_limits;
1566 c = &wiphy->iface_combinations[i];
1568 nl_combi = nla_nest_start_noflag(msg, i + 1);
1570 goto nla_put_failure;
1572 nl_limits = nla_nest_start_noflag(msg,
1573 NL80211_IFACE_COMB_LIMITS);
1575 goto nla_put_failure;
1577 for (j = 0; j < c->n_limits; j++) {
1578 struct nlattr *nl_limit;
1580 nl_limit = nla_nest_start_noflag(msg, j + 1);
1582 goto nla_put_failure;
1583 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1585 goto nla_put_failure;
1586 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1587 c->limits[j].types))
1588 goto nla_put_failure;
1589 nla_nest_end(msg, nl_limit);
1592 nla_nest_end(msg, nl_limits);
1594 if (c->beacon_int_infra_match &&
1595 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1596 goto nla_put_failure;
1597 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1598 c->num_different_channels) ||
1599 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1601 goto nla_put_failure;
1603 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1604 c->radar_detect_widths) ||
1605 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1606 c->radar_detect_regions)))
1607 goto nla_put_failure;
1608 if (c->beacon_int_min_gcd &&
1609 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1610 c->beacon_int_min_gcd))
1611 goto nla_put_failure;
1613 nla_nest_end(msg, nl_combi);
1616 nla_nest_end(msg, nl_combis);
1624 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1625 struct sk_buff *msg)
1627 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1628 struct nlattr *nl_tcp;
1633 nl_tcp = nla_nest_start_noflag(msg,
1634 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1638 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1639 tcp->data_payload_max))
1642 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1643 tcp->data_payload_max))
1646 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1649 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1650 sizeof(*tcp->tok), tcp->tok))
1653 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1654 tcp->data_interval_max))
1657 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1658 tcp->wake_payload_max))
1661 nla_nest_end(msg, nl_tcp);
1665 static int nl80211_send_wowlan(struct sk_buff *msg,
1666 struct cfg80211_registered_device *rdev,
1669 struct nlattr *nl_wowlan;
1671 if (!rdev->wiphy.wowlan)
1674 nl_wowlan = nla_nest_start_noflag(msg,
1675 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1679 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1680 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1681 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1682 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1683 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1684 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1685 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1686 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1687 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1688 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1689 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1690 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1691 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1692 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1693 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1694 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1697 if (rdev->wiphy.wowlan->n_patterns) {
1698 struct nl80211_pattern_support pat = {
1699 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1700 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1701 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1702 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1705 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1710 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1711 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1712 rdev->wiphy.wowlan->max_nd_match_sets))
1715 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1718 nla_nest_end(msg, nl_wowlan);
1724 static int nl80211_send_coalesce(struct sk_buff *msg,
1725 struct cfg80211_registered_device *rdev)
1727 struct nl80211_coalesce_rule_support rule;
1729 if (!rdev->wiphy.coalesce)
1732 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1733 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1734 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1735 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1736 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1737 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1739 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1746 nl80211_send_iftype_data(struct sk_buff *msg,
1747 const struct ieee80211_supported_band *sband,
1748 const struct ieee80211_sband_iftype_data *iftdata)
1750 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1751 const struct ieee80211_sta_eht_cap *eht_cap = &iftdata->eht_cap;
1753 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1754 iftdata->types_mask))
1757 if (he_cap->has_he) {
1758 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1759 sizeof(he_cap->he_cap_elem.mac_cap_info),
1760 he_cap->he_cap_elem.mac_cap_info) ||
1761 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1762 sizeof(he_cap->he_cap_elem.phy_cap_info),
1763 he_cap->he_cap_elem.phy_cap_info) ||
1764 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1765 sizeof(he_cap->he_mcs_nss_supp),
1766 &he_cap->he_mcs_nss_supp) ||
1767 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1768 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1772 if (eht_cap->has_eht && he_cap->has_he) {
1773 u8 mcs_nss_size, ppe_thresh_size;
1777 ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
1778 &eht_cap->eht_cap_elem);
1780 ppe_thres_hdr = get_unaligned_le16(&eht_cap->eht_ppe_thres[0]);
1782 ieee80211_eht_ppe_size(ppe_thres_hdr,
1783 eht_cap->eht_cap_elem.phy_cap_info);
1785 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC,
1786 sizeof(eht_cap->eht_cap_elem.mac_cap_info),
1787 eht_cap->eht_cap_elem.mac_cap_info) ||
1788 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY,
1789 sizeof(eht_cap->eht_cap_elem.phy_cap_info),
1790 eht_cap->eht_cap_elem.phy_cap_info) ||
1791 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET,
1792 mcs_nss_size, &eht_cap->eht_mcs_nss_supp) ||
1793 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE,
1794 ppe_thresh_size, eht_cap->eht_ppe_thres))
1798 if (sband->band == NL80211_BAND_6GHZ &&
1799 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1800 sizeof(iftdata->he_6ghz_capa),
1801 &iftdata->he_6ghz_capa))
1804 if (iftdata->vendor_elems.data && iftdata->vendor_elems.len &&
1805 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_VENDOR_ELEMS,
1806 iftdata->vendor_elems.len, iftdata->vendor_elems.data))
1812 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1813 struct ieee80211_supported_band *sband,
1816 struct nlattr *nl_rates, *nl_rate;
1817 struct ieee80211_rate *rate;
1821 if (sband->ht_cap.ht_supported &&
1822 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1823 sizeof(sband->ht_cap.mcs),
1824 &sband->ht_cap.mcs) ||
1825 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1826 sband->ht_cap.cap) ||
1827 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1828 sband->ht_cap.ampdu_factor) ||
1829 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1830 sband->ht_cap.ampdu_density)))
1834 if (sband->vht_cap.vht_supported &&
1835 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1836 sizeof(sband->vht_cap.vht_mcs),
1837 &sband->vht_cap.vht_mcs) ||
1838 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1839 sband->vht_cap.cap)))
1842 if (large && sband->n_iftype_data) {
1843 struct nlattr *nl_iftype_data =
1844 nla_nest_start_noflag(msg,
1845 NL80211_BAND_ATTR_IFTYPE_DATA);
1848 if (!nl_iftype_data)
1851 for (i = 0; i < sband->n_iftype_data; i++) {
1852 struct nlattr *iftdata;
1854 iftdata = nla_nest_start_noflag(msg, i + 1);
1858 err = nl80211_send_iftype_data(msg, sband,
1859 &sband->iftype_data[i]);
1863 nla_nest_end(msg, iftdata);
1866 nla_nest_end(msg, nl_iftype_data);
1870 if (large && sband->edmg_cap.channels &&
1871 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1872 sband->edmg_cap.channels) ||
1873 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1874 sband->edmg_cap.bw_config)))
1879 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1883 for (i = 0; i < sband->n_bitrates; i++) {
1884 nl_rate = nla_nest_start_noflag(msg, i);
1888 rate = &sband->bitrates[i];
1889 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1892 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1894 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1897 nla_nest_end(msg, nl_rate);
1900 nla_nest_end(msg, nl_rates);
1906 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1907 const struct ieee80211_txrx_stypes *mgmt_stypes)
1910 struct nlattr *nl_ftypes, *nl_ifs;
1911 enum nl80211_iftype ift;
1917 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1921 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1922 nl_ftypes = nla_nest_start_noflag(msg, ift);
1926 stypes = mgmt_stypes[ift].tx;
1929 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1930 (i << 4) | IEEE80211_FTYPE_MGMT))
1935 nla_nest_end(msg, nl_ftypes);
1938 nla_nest_end(msg, nl_ifs);
1940 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1944 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1945 nl_ftypes = nla_nest_start_noflag(msg, ift);
1949 stypes = mgmt_stypes[ift].rx;
1952 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1953 (i << 4) | IEEE80211_FTYPE_MGMT))
1958 nla_nest_end(msg, nl_ftypes);
1960 nla_nest_end(msg, nl_ifs);
1965 #define CMD(op, n) \
1967 if (rdev->ops->op) { \
1969 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1970 goto nla_put_failure; \
1974 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1975 struct sk_buff *msg)
1980 * do *NOT* add anything into this function, new things need to be
1981 * advertised only to new versions of userspace that can deal with
1982 * the split (and they can't possibly care about new features...
1984 CMD(add_virtual_intf, NEW_INTERFACE);
1985 CMD(change_virtual_intf, SET_INTERFACE);
1986 CMD(add_key, NEW_KEY);
1987 CMD(start_ap, START_AP);
1988 CMD(add_station, NEW_STATION);
1989 CMD(add_mpath, NEW_MPATH);
1990 CMD(update_mesh_config, SET_MESH_CONFIG);
1991 CMD(change_bss, SET_BSS);
1992 CMD(auth, AUTHENTICATE);
1993 CMD(assoc, ASSOCIATE);
1994 CMD(deauth, DEAUTHENTICATE);
1995 CMD(disassoc, DISASSOCIATE);
1996 CMD(join_ibss, JOIN_IBSS);
1997 CMD(join_mesh, JOIN_MESH);
1998 CMD(set_pmksa, SET_PMKSA);
1999 CMD(del_pmksa, DEL_PMKSA);
2000 CMD(flush_pmksa, FLUSH_PMKSA);
2001 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
2002 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
2003 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
2004 CMD(mgmt_tx, FRAME);
2005 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
2006 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
2008 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
2009 goto nla_put_failure;
2011 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
2012 rdev->ops->join_mesh) {
2014 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
2015 goto nla_put_failure;
2017 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
2018 CMD(tdls_mgmt, TDLS_MGMT);
2019 CMD(tdls_oper, TDLS_OPER);
2021 if (rdev->wiphy.max_sched_scan_reqs)
2022 CMD(sched_scan_start, START_SCHED_SCAN);
2023 CMD(probe_client, PROBE_CLIENT);
2024 CMD(set_noack_map, SET_NOACK_MAP);
2025 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
2027 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
2028 goto nla_put_failure;
2030 CMD(start_p2p_device, START_P2P_DEVICE);
2031 CMD(set_mcast_rate, SET_MCAST_RATE);
2032 #ifdef CONFIG_NL80211_TESTMODE
2033 CMD(testmode_cmd, TESTMODE);
2036 if (rdev->ops->connect || rdev->ops->auth) {
2038 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
2039 goto nla_put_failure;
2042 if (rdev->ops->disconnect || rdev->ops->deauth) {
2044 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
2045 goto nla_put_failure;
2054 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
2055 struct sk_buff *msg)
2059 if (!cap->ftm.supported)
2062 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
2066 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
2068 if (cap->ftm.non_asap &&
2069 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
2071 if (cap->ftm.request_lci &&
2072 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
2074 if (cap->ftm.request_civicloc &&
2075 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
2077 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
2078 cap->ftm.preambles))
2080 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2081 cap->ftm.bandwidths))
2083 if (cap->ftm.max_bursts_exponent >= 0 &&
2084 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2085 cap->ftm.max_bursts_exponent))
2087 if (cap->ftm.max_ftms_per_burst &&
2088 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2089 cap->ftm.max_ftms_per_burst))
2091 if (cap->ftm.trigger_based &&
2092 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2094 if (cap->ftm.non_trigger_based &&
2095 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2098 nla_nest_end(msg, ftm);
2102 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2103 struct sk_buff *msg)
2105 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2106 struct nlattr *pmsr, *caps;
2112 * we don't need to clean up anything here since the caller
2113 * will genlmsg_cancel() if we fail
2116 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
2120 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2123 if (cap->report_ap_tsf &&
2124 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2127 if (cap->randomize_mac_addr &&
2128 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2131 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
2135 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2138 nla_nest_end(msg, caps);
2139 nla_nest_end(msg, pmsr);
2145 nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2146 struct sk_buff *msg)
2149 struct nlattr *nested, *nested_akms;
2150 const struct wiphy_iftype_akm_suites *iftype_akms;
2152 if (!rdev->wiphy.num_iftype_akm_suites ||
2153 !rdev->wiphy.iftype_akm_suites)
2156 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2160 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2161 nested_akms = nla_nest_start(msg, i + 1);
2165 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2167 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2168 iftype_akms->iftypes_mask))
2171 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2172 sizeof(u32) * iftype_akms->n_akm_suites,
2173 iftype_akms->akm_suites)) {
2176 nla_nest_end(msg, nested_akms);
2179 nla_nest_end(msg, nested);
2185 nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2186 struct sk_buff *msg)
2188 struct nlattr *supp;
2190 if (!rdev->wiphy.tid_config_support.vif &&
2191 !rdev->wiphy.tid_config_support.peer)
2194 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2198 if (rdev->wiphy.tid_config_support.vif &&
2199 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2200 rdev->wiphy.tid_config_support.vif,
2201 NL80211_TID_CONFIG_ATTR_PAD))
2204 if (rdev->wiphy.tid_config_support.peer &&
2205 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2206 rdev->wiphy.tid_config_support.peer,
2207 NL80211_TID_CONFIG_ATTR_PAD))
2210 /* for now we just use the same value ... makes more sense */
2211 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2212 rdev->wiphy.tid_config_support.max_retry))
2214 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2215 rdev->wiphy.tid_config_support.max_retry))
2218 nla_nest_end(msg, supp);
2222 nla_nest_cancel(msg, supp);
2227 nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2228 struct sk_buff *msg)
2230 struct nlattr *sar_capa, *specs, *sub_freq_range;
2234 if (!rdev->wiphy.sar_capa)
2237 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2239 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2243 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2246 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2250 /* report supported freq_ranges */
2251 for (i = 0; i < num_freq_ranges; i++) {
2252 sub_freq_range = nla_nest_start(msg, i + 1);
2253 if (!sub_freq_range)
2256 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2257 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2260 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2261 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2264 nla_nest_end(msg, sub_freq_range);
2267 nla_nest_end(msg, specs);
2268 nla_nest_end(msg, sar_capa);
2272 nla_nest_cancel(msg, sar_capa);
2276 static int nl80211_put_mbssid_support(struct wiphy *wiphy, struct sk_buff *msg)
2278 struct nlattr *config;
2280 if (!wiphy->mbssid_max_interfaces)
2283 config = nla_nest_start(msg, NL80211_ATTR_MBSSID_CONFIG);
2287 if (nla_put_u8(msg, NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES,
2288 wiphy->mbssid_max_interfaces))
2291 if (wiphy->ema_max_profile_periodicity &&
2293 NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY,
2294 wiphy->ema_max_profile_periodicity))
2297 nla_nest_end(msg, config);
2301 nla_nest_cancel(msg, config);
2305 struct nl80211_dump_wiphy_state {
2308 long split_start, band_start, chan_start, capa_start;
2312 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
2313 enum nl80211_commands cmd,
2314 struct sk_buff *msg, u32 portid, u32 seq,
2315 int flags, struct nl80211_dump_wiphy_state *state)
2318 struct nlattr *nl_bands, *nl_band;
2319 struct nlattr *nl_freqs, *nl_freq;
2320 struct nlattr *nl_cmds;
2321 enum nl80211_band band;
2322 struct ieee80211_channel *chan;
2324 const struct ieee80211_txrx_stypes *mgmt_stypes =
2325 rdev->wiphy.mgmt_stypes;
2328 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2332 if (WARN_ON(!state))
2335 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2336 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
2337 wiphy_name(&rdev->wiphy)) ||
2338 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2339 cfg80211_rdev_list_generation))
2340 goto nla_put_failure;
2342 if (cmd != NL80211_CMD_NEW_WIPHY)
2345 switch (state->split_start) {
2347 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
2348 rdev->wiphy.retry_short) ||
2349 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
2350 rdev->wiphy.retry_long) ||
2351 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
2352 rdev->wiphy.frag_threshold) ||
2353 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
2354 rdev->wiphy.rts_threshold) ||
2355 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
2356 rdev->wiphy.coverage_class) ||
2357 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
2358 rdev->wiphy.max_scan_ssids) ||
2359 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
2360 rdev->wiphy.max_sched_scan_ssids) ||
2361 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
2362 rdev->wiphy.max_scan_ie_len) ||
2363 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
2364 rdev->wiphy.max_sched_scan_ie_len) ||
2365 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
2366 rdev->wiphy.max_match_sets))
2367 goto nla_put_failure;
2369 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
2370 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
2371 goto nla_put_failure;
2372 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
2373 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2374 goto nla_put_failure;
2375 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2376 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2377 goto nla_put_failure;
2378 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
2379 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2380 goto nla_put_failure;
2381 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2382 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2383 goto nla_put_failure;
2384 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
2385 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
2386 goto nla_put_failure;
2387 state->split_start++;
2392 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
2393 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2394 rdev->wiphy.cipher_suites))
2395 goto nla_put_failure;
2397 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
2398 rdev->wiphy.max_num_pmkids))
2399 goto nla_put_failure;
2401 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
2402 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
2403 goto nla_put_failure;
2405 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
2406 rdev->wiphy.available_antennas_tx) ||
2407 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2408 rdev->wiphy.available_antennas_rx))
2409 goto nla_put_failure;
2411 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2412 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2413 rdev->wiphy.probe_resp_offload))
2414 goto nla_put_failure;
2416 if ((rdev->wiphy.available_antennas_tx ||
2417 rdev->wiphy.available_antennas_rx) &&
2418 rdev->ops->get_antenna) {
2419 u32 tx_ant = 0, rx_ant = 0;
2422 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2424 if (nla_put_u32(msg,
2425 NL80211_ATTR_WIPHY_ANTENNA_TX,
2428 NL80211_ATTR_WIPHY_ANTENNA_RX,
2430 goto nla_put_failure;
2434 state->split_start++;
2439 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2440 rdev->wiphy.interface_modes))
2441 goto nla_put_failure;
2442 state->split_start++;
2447 nl_bands = nla_nest_start_noflag(msg,
2448 NL80211_ATTR_WIPHY_BANDS);
2450 goto nla_put_failure;
2452 for (band = state->band_start;
2453 band < (state->split ?
2455 NL80211_BAND_60GHZ + 1);
2457 struct ieee80211_supported_band *sband;
2459 /* omit higher bands for ancient software */
2460 if (band > NL80211_BAND_5GHZ && !state->split)
2463 sband = rdev->wiphy.bands[band];
2468 nl_band = nla_nest_start_noflag(msg, band);
2470 goto nla_put_failure;
2472 switch (state->chan_start) {
2474 if (nl80211_send_band_rateinfo(msg, sband,
2476 goto nla_put_failure;
2477 state->chan_start++;
2482 /* add frequencies */
2483 nl_freqs = nla_nest_start_noflag(msg,
2484 NL80211_BAND_ATTR_FREQS);
2486 goto nla_put_failure;
2488 for (i = state->chan_start - 1;
2489 i < sband->n_channels;
2491 nl_freq = nla_nest_start_noflag(msg,
2494 goto nla_put_failure;
2496 chan = &sband->channels[i];
2498 if (nl80211_msg_put_channel(
2499 msg, &rdev->wiphy, chan,
2501 goto nla_put_failure;
2503 nla_nest_end(msg, nl_freq);
2507 if (i < sband->n_channels)
2508 state->chan_start = i + 2;
2510 state->chan_start = 0;
2511 nla_nest_end(msg, nl_freqs);
2514 nla_nest_end(msg, nl_band);
2517 /* start again here */
2518 if (state->chan_start)
2523 nla_nest_end(msg, nl_bands);
2525 if (band < NUM_NL80211_BANDS)
2526 state->band_start = band + 1;
2528 state->band_start = 0;
2530 /* if bands & channels are done, continue outside */
2531 if (state->band_start == 0 && state->chan_start == 0)
2532 state->split_start++;
2537 nl_cmds = nla_nest_start_noflag(msg,
2538 NL80211_ATTR_SUPPORTED_COMMANDS);
2540 goto nla_put_failure;
2542 i = nl80211_add_commands_unsplit(rdev, msg);
2544 goto nla_put_failure;
2546 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2547 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2548 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2549 CMD(channel_switch, CHANNEL_SWITCH);
2550 CMD(set_qos_map, SET_QOS_MAP);
2551 if (rdev->wiphy.features &
2552 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2553 CMD(add_tx_ts, ADD_TX_TS);
2554 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2555 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2556 CMD(update_ft_ies, UPDATE_FT_IES);
2557 if (rdev->wiphy.sar_capa)
2558 CMD(set_sar_specs, SET_SAR_SPECS);
2562 nla_nest_end(msg, nl_cmds);
2563 state->split_start++;
2568 if (rdev->ops->remain_on_channel &&
2569 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2571 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2572 rdev->wiphy.max_remain_on_channel_duration))
2573 goto nla_put_failure;
2575 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2576 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2577 goto nla_put_failure;
2579 state->split_start++;
2585 if (nl80211_send_wowlan(msg, rdev, state->split))
2586 goto nla_put_failure;
2587 state->split_start++;
2591 state->split_start++;
2595 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2596 rdev->wiphy.software_iftypes))
2597 goto nla_put_failure;
2599 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2601 goto nla_put_failure;
2603 state->split_start++;
2608 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2609 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2610 rdev->wiphy.ap_sme_capa))
2611 goto nla_put_failure;
2613 features = rdev->wiphy.features;
2615 * We can only add the per-channel limit information if the
2616 * dump is split, otherwise it makes it too big. Therefore
2617 * only advertise it in that case.
2620 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2621 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2622 goto nla_put_failure;
2624 if (rdev->wiphy.ht_capa_mod_mask &&
2625 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2626 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2627 rdev->wiphy.ht_capa_mod_mask))
2628 goto nla_put_failure;
2630 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2631 rdev->wiphy.max_acl_mac_addrs &&
2632 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2633 rdev->wiphy.max_acl_mac_addrs))
2634 goto nla_put_failure;
2637 * Any information below this point is only available to
2638 * applications that can deal with it being split. This
2639 * helps ensure that newly added capabilities don't break
2640 * older tools by overrunning their buffers.
2642 * We still increment split_start so that in the split
2643 * case we'll continue with more data in the next round,
2644 * but break unconditionally so unsplit data stops here.
2647 state->split_start++;
2649 state->split_start = 0;
2652 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2653 goto nla_put_failure;
2655 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2656 rdev->wiphy.max_sched_scan_plans) ||
2657 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2658 rdev->wiphy.max_sched_scan_plan_interval) ||
2659 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2660 rdev->wiphy.max_sched_scan_plan_iterations))
2661 goto nla_put_failure;
2663 if (rdev->wiphy.extended_capabilities &&
2664 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2665 rdev->wiphy.extended_capabilities_len,
2666 rdev->wiphy.extended_capabilities) ||
2667 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2668 rdev->wiphy.extended_capabilities_len,
2669 rdev->wiphy.extended_capabilities_mask)))
2670 goto nla_put_failure;
2672 if (rdev->wiphy.vht_capa_mod_mask &&
2673 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2674 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2675 rdev->wiphy.vht_capa_mod_mask))
2676 goto nla_put_failure;
2678 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2679 rdev->wiphy.perm_addr))
2680 goto nla_put_failure;
2682 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2683 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2684 rdev->wiphy.addr_mask))
2685 goto nla_put_failure;
2687 if (rdev->wiphy.n_addresses > 1) {
2690 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2692 goto nla_put_failure;
2694 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2695 if (nla_put(msg, i + 1, ETH_ALEN,
2696 rdev->wiphy.addresses[i].addr))
2697 goto nla_put_failure;
2699 nla_nest_end(msg, attr);
2702 state->split_start++;
2705 if (nl80211_send_coalesce(msg, rdev))
2706 goto nla_put_failure;
2708 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2709 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2710 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2711 goto nla_put_failure;
2713 if (rdev->wiphy.max_ap_assoc_sta &&
2714 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2715 rdev->wiphy.max_ap_assoc_sta))
2716 goto nla_put_failure;
2718 state->split_start++;
2721 if (rdev->wiphy.n_vendor_commands) {
2722 const struct nl80211_vendor_cmd_info *info;
2723 struct nlattr *nested;
2725 nested = nla_nest_start_noflag(msg,
2726 NL80211_ATTR_VENDOR_DATA);
2728 goto nla_put_failure;
2730 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2731 info = &rdev->wiphy.vendor_commands[i].info;
2732 if (nla_put(msg, i + 1, sizeof(*info), info))
2733 goto nla_put_failure;
2735 nla_nest_end(msg, nested);
2738 if (rdev->wiphy.n_vendor_events) {
2739 const struct nl80211_vendor_cmd_info *info;
2740 struct nlattr *nested;
2742 nested = nla_nest_start_noflag(msg,
2743 NL80211_ATTR_VENDOR_EVENTS);
2745 goto nla_put_failure;
2747 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2748 info = &rdev->wiphy.vendor_events[i];
2749 if (nla_put(msg, i + 1, sizeof(*info), info))
2750 goto nla_put_failure;
2752 nla_nest_end(msg, nested);
2754 state->split_start++;
2757 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2758 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2759 rdev->wiphy.max_num_csa_counters))
2760 goto nla_put_failure;
2762 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2763 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2764 goto nla_put_failure;
2766 if (rdev->wiphy.max_sched_scan_reqs &&
2767 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2768 rdev->wiphy.max_sched_scan_reqs))
2769 goto nla_put_failure;
2771 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2772 sizeof(rdev->wiphy.ext_features),
2773 rdev->wiphy.ext_features))
2774 goto nla_put_failure;
2776 if (rdev->wiphy.bss_select_support) {
2777 struct nlattr *nested;
2778 u32 bss_select_support = rdev->wiphy.bss_select_support;
2780 nested = nla_nest_start_noflag(msg,
2781 NL80211_ATTR_BSS_SELECT);
2783 goto nla_put_failure;
2786 while (bss_select_support) {
2787 if ((bss_select_support & 1) &&
2788 nla_put_flag(msg, i))
2789 goto nla_put_failure;
2791 bss_select_support >>= 1;
2793 nla_nest_end(msg, nested);
2796 state->split_start++;
2799 if (rdev->wiphy.num_iftype_ext_capab &&
2800 rdev->wiphy.iftype_ext_capab) {
2801 struct nlattr *nested_ext_capab, *nested;
2803 nested = nla_nest_start_noflag(msg,
2804 NL80211_ATTR_IFTYPE_EXT_CAPA);
2806 goto nla_put_failure;
2808 for (i = state->capa_start;
2809 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2810 const struct wiphy_iftype_ext_capab *capab;
2812 capab = &rdev->wiphy.iftype_ext_capab[i];
2814 nested_ext_capab = nla_nest_start_noflag(msg,
2816 if (!nested_ext_capab ||
2817 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2819 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2820 capab->extended_capabilities_len,
2821 capab->extended_capabilities) ||
2822 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2823 capab->extended_capabilities_len,
2824 capab->extended_capabilities_mask))
2825 goto nla_put_failure;
2827 nla_nest_end(msg, nested_ext_capab);
2831 nla_nest_end(msg, nested);
2832 if (i < rdev->wiphy.num_iftype_ext_capab) {
2833 state->capa_start = i + 1;
2838 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2839 rdev->wiphy.nan_supported_bands))
2840 goto nla_put_failure;
2842 if (wiphy_ext_feature_isset(&rdev->wiphy,
2843 NL80211_EXT_FEATURE_TXQS)) {
2844 struct cfg80211_txq_stats txqstats = {};
2847 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2849 !nl80211_put_txq_stats(msg, &txqstats,
2850 NL80211_ATTR_TXQ_STATS))
2851 goto nla_put_failure;
2853 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2854 rdev->wiphy.txq_limit))
2855 goto nla_put_failure;
2856 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2857 rdev->wiphy.txq_memory_limit))
2858 goto nla_put_failure;
2859 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2860 rdev->wiphy.txq_quantum))
2861 goto nla_put_failure;
2864 state->split_start++;
2867 if (nl80211_send_pmsr_capa(rdev, msg))
2868 goto nla_put_failure;
2870 state->split_start++;
2873 if (rdev->wiphy.akm_suites &&
2874 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2875 sizeof(u32) * rdev->wiphy.n_akm_suites,
2876 rdev->wiphy.akm_suites))
2877 goto nla_put_failure;
2879 if (nl80211_put_iftype_akm_suites(rdev, msg))
2880 goto nla_put_failure;
2882 if (nl80211_put_tid_config_support(rdev, msg))
2883 goto nla_put_failure;
2884 state->split_start++;
2887 if (nl80211_put_sar_specs(rdev, msg))
2888 goto nla_put_failure;
2890 if (nl80211_put_mbssid_support(&rdev->wiphy, msg))
2891 goto nla_put_failure;
2894 state->split_start = 0;
2898 genlmsg_end(msg, hdr);
2902 genlmsg_cancel(msg, hdr);
2906 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2907 struct netlink_callback *cb,
2908 struct nl80211_dump_wiphy_state *state)
2910 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2916 ret = nlmsg_parse_deprecated(cb->nlh,
2917 GENL_HDRLEN + nl80211_fam.hdrsize,
2918 tb, nl80211_fam.maxattr,
2919 nl80211_policy, NULL);
2920 /* ignore parse errors for backward compatibility */
2926 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2927 if (tb[NL80211_ATTR_WIPHY])
2928 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2929 if (tb[NL80211_ATTR_WDEV])
2930 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2931 if (tb[NL80211_ATTR_IFINDEX]) {
2932 struct net_device *netdev;
2933 struct cfg80211_registered_device *rdev;
2934 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2936 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2941 if (netdev->ieee80211_ptr) {
2942 rdev = wiphy_to_rdev(
2943 netdev->ieee80211_ptr->wiphy);
2944 state->filter_wiphy = rdev->wiphy_idx;
2954 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2957 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2958 struct cfg80211_registered_device *rdev;
2962 state = kzalloc(sizeof(*state), GFP_KERNEL);
2967 state->filter_wiphy = -1;
2968 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2974 cb->args[0] = (long)state;
2977 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2978 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2980 if (++idx <= state->start)
2982 if (state->filter_wiphy != -1 &&
2983 state->filter_wiphy != rdev->wiphy_idx)
2985 /* attempt to fit multiple wiphy data chunks into the skb */
2987 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2989 NETLINK_CB(cb->skb).portid,
2991 NLM_F_MULTI, state);
2994 * If sending the wiphy data didn't fit (ENOBUFS
2995 * or EMSGSIZE returned), this SKB is still
2996 * empty (so it's not too big because another
2997 * wiphy dataset is already in the skb) and
2998 * we've not tried to adjust the dump allocation
2999 * yet ... then adjust the alloc size to be
3000 * bigger, and return 1 but with the empty skb.
3001 * This results in an empty message being RX'ed
3002 * in userspace, but that is ignored.
3004 * We can then retry with the larger buffer.
3006 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
3007 !skb->len && !state->split &&
3008 cb->min_dump_alloc < 4096) {
3009 cb->min_dump_alloc = 4096;
3010 state->split_start = 0;
3017 } while (state->split_start > 0);
3027 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
3029 kfree((void *)cb->args[0]);
3033 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
3035 struct sk_buff *msg;
3036 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3037 struct nl80211_dump_wiphy_state state = {};
3039 msg = nlmsg_new(4096, GFP_KERNEL);
3043 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
3044 info->snd_portid, info->snd_seq, 0,
3050 return genlmsg_reply(msg, info);
3053 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
3054 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
3055 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
3056 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
3057 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
3058 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
3061 static int parse_txq_params(struct nlattr *tb[],
3062 struct ieee80211_txq_params *txq_params)
3066 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
3067 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
3068 !tb[NL80211_TXQ_ATTR_AIFS])
3071 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
3072 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
3073 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
3074 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
3075 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
3077 if (ac >= NL80211_NUM_ACS)
3079 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
3083 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
3086 * You can only set the channel explicitly for some interfaces,
3087 * most have their channel managed via their respective
3088 * "establish a connection" command (connect, join, ...)
3090 * For AP/GO and mesh mode, the channel can be set with the
3091 * channel userspace API, but is only stored and passed to the
3092 * low-level driver when the AP starts or the mesh is joined.
3093 * This is for backward compatibility, userspace can also give
3094 * the channel in the start-ap or join-mesh commands instead.
3096 * Monitors are special as they are normally slaved to
3097 * whatever else is going on, so they have their own special
3098 * operation to set the monitor channel if possible.
3101 wdev->iftype == NL80211_IFTYPE_AP ||
3102 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
3103 wdev->iftype == NL80211_IFTYPE_MONITOR ||
3104 wdev->iftype == NL80211_IFTYPE_P2P_GO;
3107 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
3108 struct genl_info *info,
3109 struct cfg80211_chan_def *chandef)
3111 struct netlink_ext_ack *extack = info->extack;
3112 struct nlattr **attrs = info->attrs;
3115 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
3118 control_freq = MHZ_TO_KHZ(
3119 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3120 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3122 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
3124 memset(chandef, 0, sizeof(*chandef));
3125 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3126 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
3127 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3128 chandef->freq1_offset = control_freq % 1000;
3129 chandef->center_freq2 = 0;
3131 /* Primary channel not allowed */
3132 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3133 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3134 "Channel is disabled");
3138 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3139 enum nl80211_channel_type chantype;
3141 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3144 case NL80211_CHAN_NO_HT:
3145 case NL80211_CHAN_HT20:
3146 case NL80211_CHAN_HT40PLUS:
3147 case NL80211_CHAN_HT40MINUS:
3148 cfg80211_chandef_create(chandef, chandef->chan,
3150 /* user input for center_freq is incorrect */
3151 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3152 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3153 NL_SET_ERR_MSG_ATTR(extack,
3154 attrs[NL80211_ATTR_CENTER_FREQ1],
3155 "bad center frequency 1");
3158 /* center_freq2 must be zero */
3159 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3160 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3161 NL_SET_ERR_MSG_ATTR(extack,
3162 attrs[NL80211_ATTR_CENTER_FREQ2],
3163 "center frequency 2 can't be used");
3168 NL_SET_ERR_MSG_ATTR(extack,
3169 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3170 "invalid channel type");
3173 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3175 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
3176 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3177 chandef->center_freq1 =
3178 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
3179 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3180 chandef->freq1_offset = nla_get_u32(
3181 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3183 chandef->freq1_offset = 0;
3185 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3186 chandef->center_freq2 =
3187 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3190 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3191 chandef->edmg.channels =
3192 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3194 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3195 chandef->edmg.bw_config =
3196 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3198 chandef->edmg.bw_config = 0;
3199 chandef->edmg.channels = 0;
3202 if (!cfg80211_chandef_valid(chandef)) {
3203 NL_SET_ERR_MSG(extack, "invalid channel definition");
3207 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
3208 IEEE80211_CHAN_DISABLED)) {
3209 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3213 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3214 chandef->width == NL80211_CHAN_WIDTH_10) &&
3215 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3216 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
3223 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
3224 struct net_device *dev,
3225 struct genl_info *info)
3227 struct cfg80211_chan_def chandef;
3229 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
3230 struct wireless_dev *wdev = NULL;
3233 wdev = dev->ieee80211_ptr;
3234 if (!nl80211_can_set_dev_channel(wdev))
3237 iftype = wdev->iftype;
3239 result = nl80211_parse_chandef(rdev, info, &chandef);
3244 case NL80211_IFTYPE_AP:
3245 case NL80211_IFTYPE_P2P_GO:
3246 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3251 if (wdev->beacon_interval) {
3252 if (!dev || !rdev->ops->set_ap_chanwidth ||
3253 !(rdev->wiphy.features &
3254 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
3259 /* Only allow dynamic channel width changes */
3260 if (chandef.chan != wdev->preset_chandef.chan) {
3264 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
3268 wdev->preset_chandef = chandef;
3271 case NL80211_IFTYPE_MESH_POINT:
3272 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
3274 case NL80211_IFTYPE_MONITOR:
3275 result = cfg80211_set_monitor_channel(rdev, &chandef);
3284 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3286 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3287 struct net_device *netdev = info->user_ptr[1];
3289 return __nl80211_set_channel(rdev, netdev, info);
3292 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3294 struct cfg80211_registered_device *rdev = NULL;
3295 struct net_device *netdev = NULL;
3296 struct wireless_dev *wdev;
3297 int result = 0, rem_txq_params = 0;
3298 struct nlattr *nl_txq_params;
3300 u8 retry_short = 0, retry_long = 0;
3301 u32 frag_threshold = 0, rts_threshold = 0;
3302 u8 coverage_class = 0;
3303 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
3307 * Try to find the wiphy and netdev. Normally this
3308 * function shouldn't need the netdev, but this is
3309 * done for backward compatibility -- previously
3310 * setting the channel was done per wiphy, but now
3311 * it is per netdev. Previous userland like hostapd
3312 * also passed a netdev to set_wiphy, so that it is
3313 * possible to let that go to the right netdev!
3316 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3317 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3319 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
3320 if (netdev && netdev->ieee80211_ptr)
3321 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
3327 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3331 return PTR_ERR(rdev);
3337 wdev = netdev->ieee80211_ptr;
3339 wiphy_lock(&rdev->wiphy);
3342 * end workaround code, by now the rdev is available
3343 * and locked, and wdev may or may not be NULL.
3346 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
3347 result = cfg80211_dev_rename(
3348 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
3354 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3355 struct ieee80211_txq_params txq_params;
3356 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3358 if (!rdev->ops->set_txq_params) {
3359 result = -EOPNOTSUPP;
3368 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3369 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3374 if (!netif_running(netdev)) {
3379 nla_for_each_nested(nl_txq_params,
3380 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3382 result = nla_parse_nested_deprecated(tb,
3383 NL80211_TXQ_ATTR_MAX,
3389 result = parse_txq_params(tb, &txq_params);
3393 result = rdev_set_txq_params(rdev, netdev,
3400 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3401 result = __nl80211_set_channel(
3403 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3409 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
3410 struct wireless_dev *txp_wdev = wdev;
3411 enum nl80211_tx_power_setting type;
3414 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3417 if (!rdev->ops->set_tx_power) {
3418 result = -EOPNOTSUPP;
3422 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3423 type = nla_get_u32(info->attrs[idx]);
3425 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
3426 (type != NL80211_TX_POWER_AUTOMATIC)) {
3431 if (type != NL80211_TX_POWER_AUTOMATIC) {
3432 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3433 mbm = nla_get_u32(info->attrs[idx]);
3436 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
3441 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3442 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3445 if ((!rdev->wiphy.available_antennas_tx &&
3446 !rdev->wiphy.available_antennas_rx) ||
3447 !rdev->ops->set_antenna) {
3448 result = -EOPNOTSUPP;
3452 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3453 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3455 /* reject antenna configurations which don't match the
3456 * available antenna masks, except for the "all" mask */
3457 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3458 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3463 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3464 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3466 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3473 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3474 retry_short = nla_get_u8(
3475 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3477 changed |= WIPHY_PARAM_RETRY_SHORT;
3480 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3481 retry_long = nla_get_u8(
3482 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3484 changed |= WIPHY_PARAM_RETRY_LONG;
3487 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3488 frag_threshold = nla_get_u32(
3489 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3490 if (frag_threshold < 256) {
3495 if (frag_threshold != (u32) -1) {
3497 * Fragments (apart from the last one) are required to
3498 * have even length. Make the fragmentation code
3499 * simpler by stripping LSB should someone try to use
3500 * odd threshold value.
3502 frag_threshold &= ~0x1;
3504 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3507 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3508 rts_threshold = nla_get_u32(
3509 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3510 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3513 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3514 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3519 coverage_class = nla_get_u8(
3520 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3521 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3524 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3525 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3526 result = -EOPNOTSUPP;
3530 changed |= WIPHY_PARAM_DYN_ACK;
3533 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3534 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3535 NL80211_EXT_FEATURE_TXQS)) {
3536 result = -EOPNOTSUPP;
3539 txq_limit = nla_get_u32(
3540 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3541 changed |= WIPHY_PARAM_TXQ_LIMIT;
3544 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3545 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3546 NL80211_EXT_FEATURE_TXQS)) {
3547 result = -EOPNOTSUPP;
3550 txq_memory_limit = nla_get_u32(
3551 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3552 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3555 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3556 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3557 NL80211_EXT_FEATURE_TXQS)) {
3558 result = -EOPNOTSUPP;
3561 txq_quantum = nla_get_u32(
3562 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3563 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3567 u8 old_retry_short, old_retry_long;
3568 u32 old_frag_threshold, old_rts_threshold;
3569 u8 old_coverage_class;
3570 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3572 if (!rdev->ops->set_wiphy_params) {
3573 result = -EOPNOTSUPP;
3577 old_retry_short = rdev->wiphy.retry_short;
3578 old_retry_long = rdev->wiphy.retry_long;
3579 old_frag_threshold = rdev->wiphy.frag_threshold;
3580 old_rts_threshold = rdev->wiphy.rts_threshold;
3581 old_coverage_class = rdev->wiphy.coverage_class;
3582 old_txq_limit = rdev->wiphy.txq_limit;
3583 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3584 old_txq_quantum = rdev->wiphy.txq_quantum;
3586 if (changed & WIPHY_PARAM_RETRY_SHORT)
3587 rdev->wiphy.retry_short = retry_short;
3588 if (changed & WIPHY_PARAM_RETRY_LONG)
3589 rdev->wiphy.retry_long = retry_long;
3590 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3591 rdev->wiphy.frag_threshold = frag_threshold;
3592 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3593 rdev->wiphy.rts_threshold = rts_threshold;
3594 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3595 rdev->wiphy.coverage_class = coverage_class;
3596 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3597 rdev->wiphy.txq_limit = txq_limit;
3598 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3599 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3600 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3601 rdev->wiphy.txq_quantum = txq_quantum;
3603 result = rdev_set_wiphy_params(rdev, changed);
3605 rdev->wiphy.retry_short = old_retry_short;
3606 rdev->wiphy.retry_long = old_retry_long;
3607 rdev->wiphy.frag_threshold = old_frag_threshold;
3608 rdev->wiphy.rts_threshold = old_rts_threshold;
3609 rdev->wiphy.coverage_class = old_coverage_class;
3610 rdev->wiphy.txq_limit = old_txq_limit;
3611 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3612 rdev->wiphy.txq_quantum = old_txq_quantum;
3620 wiphy_unlock(&rdev->wiphy);
3624 static int nl80211_send_chandef(struct sk_buff *msg,
3625 const struct cfg80211_chan_def *chandef)
3627 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3630 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3631 chandef->chan->center_freq))
3633 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3634 chandef->chan->freq_offset))
3636 switch (chandef->width) {
3637 case NL80211_CHAN_WIDTH_20_NOHT:
3638 case NL80211_CHAN_WIDTH_20:
3639 case NL80211_CHAN_WIDTH_40:
3640 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3641 cfg80211_get_chandef_type(chandef)))
3647 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3649 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3651 if (chandef->center_freq2 &&
3652 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3657 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3658 struct cfg80211_registered_device *rdev,
3659 struct wireless_dev *wdev,
3660 enum nl80211_commands cmd)
3662 struct net_device *dev = wdev->netdev;
3665 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3666 cmd != NL80211_CMD_DEL_INTERFACE &&
3667 cmd != NL80211_CMD_SET_INTERFACE);
3669 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3674 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3675 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3676 goto nla_put_failure;
3678 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3679 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3680 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3681 NL80211_ATTR_PAD) ||
3682 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3683 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3684 rdev->devlist_generation ^
3685 (cfg80211_rdev_list_generation << 2)) ||
3686 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3687 goto nla_put_failure;
3689 if (rdev->ops->get_channel) {
3691 struct cfg80211_chan_def chandef = {};
3693 ret = rdev_get_channel(rdev, wdev, &chandef);
3695 if (nl80211_send_chandef(msg, &chandef))
3696 goto nla_put_failure;
3700 if (rdev->ops->get_tx_power) {
3703 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3705 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3707 goto nla_put_failure;
3711 switch (wdev->iftype) {
3712 case NL80211_IFTYPE_AP:
3713 if (wdev->ssid_len &&
3714 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3715 goto nla_put_failure_locked;
3717 case NL80211_IFTYPE_STATION:
3718 case NL80211_IFTYPE_P2P_CLIENT:
3719 case NL80211_IFTYPE_ADHOC: {
3720 const struct element *ssid_elem;
3722 if (!wdev->current_bss)
3725 ssid_elem = ieee80211_bss_get_elem(&wdev->current_bss->pub,
3728 nla_put(msg, NL80211_ATTR_SSID, ssid_elem->datalen,
3730 goto nla_put_failure_rcu_locked;
3740 if (rdev->ops->get_txq_stats) {
3741 struct cfg80211_txq_stats txqstats = {};
3742 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3745 !nl80211_put_txq_stats(msg, &txqstats,
3746 NL80211_ATTR_TXQ_STATS))
3747 goto nla_put_failure;
3750 genlmsg_end(msg, hdr);
3753 nla_put_failure_rcu_locked:
3755 nla_put_failure_locked:
3758 genlmsg_cancel(msg, hdr);
3762 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3766 int wp_start = cb->args[0];
3767 int if_start = cb->args[1];
3768 int filter_wiphy = -1;
3769 struct cfg80211_registered_device *rdev;
3770 struct wireless_dev *wdev;
3775 struct nl80211_dump_wiphy_state state = {
3779 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3783 filter_wiphy = state.filter_wiphy;
3786 * if filtering, set cb->args[2] to +1 since 0 is the default
3787 * value needed to determine that parsing is necessary.
3789 if (filter_wiphy >= 0)
3790 cb->args[2] = filter_wiphy + 1;
3793 } else if (cb->args[2] > 0) {
3794 filter_wiphy = cb->args[2] - 1;
3797 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3798 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3800 if (wp_idx < wp_start) {
3805 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3810 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3811 if (if_idx < if_start) {
3815 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3816 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3818 NL80211_CMD_NEW_INTERFACE) < 0) {
3827 cb->args[0] = wp_idx;
3828 cb->args[1] = if_idx;
3837 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3839 struct sk_buff *msg;
3840 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3841 struct wireless_dev *wdev = info->user_ptr[1];
3843 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3847 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3848 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3853 return genlmsg_reply(msg, info);
3856 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3857 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3858 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3859 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3860 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3861 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3862 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3865 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3867 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3875 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3878 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3880 *mntrflags |= (1<<flag);
3882 *mntrflags |= MONITOR_FLAG_CHANGED;
3887 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3888 enum nl80211_iftype type,
3889 struct genl_info *info,
3890 struct vif_params *params)
3892 bool change = false;
3895 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3896 if (type != NL80211_IFTYPE_MONITOR)
3899 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3907 if (params->flags & MONITOR_FLAG_ACTIVE &&
3908 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3911 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3912 const u8 *mumimo_groups;
3913 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3915 if (type != NL80211_IFTYPE_MONITOR)
3918 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3922 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3924 /* bits 0 and 63 are reserved and must be zero */
3925 if ((mumimo_groups[0] & BIT(0)) ||
3926 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3929 params->vht_mumimo_groups = mumimo_groups;
3933 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3934 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3936 if (type != NL80211_IFTYPE_MONITOR)
3939 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3942 params->vht_mumimo_follow_addr =
3943 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3947 return change ? 1 : 0;
3950 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3951 struct net_device *netdev, u8 use_4addr,
3952 enum nl80211_iftype iftype)
3955 if (netdev && netif_is_bridge_port(netdev))
3961 case NL80211_IFTYPE_AP_VLAN:
3962 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3965 case NL80211_IFTYPE_STATION:
3966 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3976 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3978 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3979 struct vif_params params;
3981 enum nl80211_iftype otype, ntype;
3982 struct net_device *dev = info->user_ptr[1];
3983 bool change = false;
3985 memset(¶ms, 0, sizeof(params));
3987 otype = ntype = dev->ieee80211_ptr->iftype;
3989 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3990 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3995 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3996 struct wireless_dev *wdev = dev->ieee80211_ptr;
3998 if (ntype != NL80211_IFTYPE_MESH_POINT)
4000 if (netif_running(dev))
4004 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4005 IEEE80211_MAX_MESH_ID_LEN);
4006 wdev->mesh_id_up_len =
4007 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4008 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4009 wdev->mesh_id_up_len);
4013 if (info->attrs[NL80211_ATTR_4ADDR]) {
4014 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4016 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
4020 params.use_4addr = -1;
4023 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
4030 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
4034 if (!err && params.use_4addr != -1)
4035 dev->ieee80211_ptr->use_4addr = params.use_4addr;
4037 if (change && !err) {
4038 struct wireless_dev *wdev = dev->ieee80211_ptr;
4040 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
4046 static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4048 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4049 struct vif_params params;
4050 struct wireless_dev *wdev;
4051 struct sk_buff *msg;
4053 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
4055 memset(¶ms, 0, sizeof(params));
4057 if (!info->attrs[NL80211_ATTR_IFNAME])
4060 if (info->attrs[NL80211_ATTR_IFTYPE])
4061 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
4063 if (!rdev->ops->add_virtual_intf)
4066 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
4067 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
4068 info->attrs[NL80211_ATTR_MAC]) {
4069 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
4071 if (!is_valid_ether_addr(params.macaddr))
4072 return -EADDRNOTAVAIL;
4075 if (info->attrs[NL80211_ATTR_4ADDR]) {
4076 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
4077 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
4082 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
4085 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
4089 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4093 wdev = rdev_add_virtual_intf(rdev,
4094 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
4095 NET_NAME_USER, type, ¶ms);
4096 if (WARN_ON(!wdev)) {
4099 } else if (IS_ERR(wdev)) {
4101 return PTR_ERR(wdev);
4104 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4105 wdev->owner_nlportid = info->snd_portid;
4108 case NL80211_IFTYPE_MESH_POINT:
4109 if (!info->attrs[NL80211_ATTR_MESH_ID])
4112 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4113 IEEE80211_MAX_MESH_ID_LEN);
4114 wdev->mesh_id_up_len =
4115 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4116 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4117 wdev->mesh_id_up_len);
4120 case NL80211_IFTYPE_NAN:
4121 case NL80211_IFTYPE_P2P_DEVICE:
4123 * P2P Device and NAN do not have a netdev, so don't go
4124 * through the netdev notifier and must be added here
4126 cfg80211_init_wdev(wdev);
4127 cfg80211_register_wdev(rdev, wdev);
4133 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4134 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4139 return genlmsg_reply(msg, info);
4142 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4144 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4147 /* to avoid failing a new interface creation due to pending removal */
4148 cfg80211_destroy_ifaces(rdev);
4150 wiphy_lock(&rdev->wiphy);
4151 ret = _nl80211_new_interface(skb, info);
4152 wiphy_unlock(&rdev->wiphy);
4157 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4159 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4160 struct wireless_dev *wdev = info->user_ptr[1];
4162 if (!rdev->ops->del_virtual_intf)
4166 * We hold RTNL, so this is safe, without RTNL opencount cannot
4167 * reach 0, and thus the rdev cannot be deleted.
4169 * We need to do it for the dev_close(), since that will call
4170 * the netdev notifiers, and we need to acquire the mutex there
4171 * but don't know if we get there from here or from some other
4172 * place (e.g. "ip link set ... down").
4174 mutex_unlock(&rdev->wiphy.mtx);
4177 * If we remove a wireless device without a netdev then clear
4178 * user_ptr[1] so that nl80211_post_doit won't dereference it
4179 * to check if it needs to do dev_put(). Otherwise it crashes
4180 * since the wdev has been freed, unlike with a netdev where
4181 * we need the dev_put() for the netdev to really be freed.
4184 info->user_ptr[1] = NULL;
4186 dev_close(wdev->netdev);
4188 mutex_lock(&rdev->wiphy.mtx);
4190 return rdev_del_virtual_intf(rdev, wdev);
4193 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4195 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4196 struct net_device *dev = info->user_ptr[1];
4199 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4202 if (!rdev->ops->set_noack_map)
4205 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4207 return rdev_set_noack_map(rdev, dev, noack_map);
4210 struct get_key_cookie {
4211 struct sk_buff *msg;
4216 static void get_key_callback(void *c, struct key_params *params)
4219 struct get_key_cookie *cookie = c;
4222 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4223 params->key_len, params->key)) ||
4225 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4226 params->seq_len, params->seq)) ||
4228 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4230 goto nla_put_failure;
4232 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
4234 goto nla_put_failure;
4237 nla_put(cookie->msg, NL80211_KEY_DATA,
4238 params->key_len, params->key)) ||
4240 nla_put(cookie->msg, NL80211_KEY_SEQ,
4241 params->seq_len, params->seq)) ||
4243 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4245 goto nla_put_failure;
4247 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
4248 goto nla_put_failure;
4250 nla_nest_end(cookie->msg, key);
4257 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4259 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4261 struct net_device *dev = info->user_ptr[1];
4263 const u8 *mac_addr = NULL;
4265 struct get_key_cookie cookie = {
4269 struct sk_buff *msg;
4270 bool bigtk_support = false;
4272 if (wiphy_ext_feature_isset(&rdev->wiphy,
4273 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4274 bigtk_support = true;
4276 if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
4277 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4278 wiphy_ext_feature_isset(&rdev->wiphy,
4279 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4280 bigtk_support = true;
4282 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4283 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4285 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4286 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4291 if (info->attrs[NL80211_ATTR_MAC])
4292 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4294 pairwise = !!mac_addr;
4295 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4296 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4298 if (kt != NL80211_KEYTYPE_GROUP &&
4299 kt != NL80211_KEYTYPE_PAIRWISE)
4301 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4304 if (!rdev->ops->get_key)
4307 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4310 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4314 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4315 NL80211_CMD_NEW_KEY);
4317 goto nla_put_failure;
4320 cookie.idx = key_idx;
4322 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4323 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4324 goto nla_put_failure;
4326 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4327 goto nla_put_failure;
4329 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
4336 goto nla_put_failure;
4338 genlmsg_end(msg, hdr);
4339 return genlmsg_reply(msg, info);
4348 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4350 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4351 struct key_parse key;
4353 struct net_device *dev = info->user_ptr[1];
4355 err = nl80211_parse_key(info, &key);
4362 /* Only support setting default key and
4363 * Extended Key ID action NL80211_KEY_SET_TX.
4365 if (!key.def && !key.defmgmt && !key.defbeacon &&
4366 !(key.p.mode == NL80211_KEY_SET_TX))
4369 wdev_lock(dev->ieee80211_ptr);
4372 if (!rdev->ops->set_default_key) {
4377 err = nl80211_key_allowed(dev->ieee80211_ptr);
4381 err = rdev_set_default_key(rdev, dev, key.idx,
4382 key.def_uni, key.def_multi);
4387 #ifdef CONFIG_CFG80211_WEXT
4388 dev->ieee80211_ptr->wext.default_key = key.idx;
4390 } else if (key.defmgmt) {
4391 if (key.def_uni || !key.def_multi) {
4396 if (!rdev->ops->set_default_mgmt_key) {
4401 err = nl80211_key_allowed(dev->ieee80211_ptr);
4405 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
4409 #ifdef CONFIG_CFG80211_WEXT
4410 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
4412 } else if (key.defbeacon) {
4413 if (key.def_uni || !key.def_multi) {
4418 if (!rdev->ops->set_default_beacon_key) {
4423 err = nl80211_key_allowed(dev->ieee80211_ptr);
4427 err = rdev_set_default_beacon_key(rdev, dev, key.idx);
4430 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4431 wiphy_ext_feature_isset(&rdev->wiphy,
4432 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4433 u8 *mac_addr = NULL;
4435 if (info->attrs[NL80211_ATTR_MAC])
4436 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4438 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4443 err = rdev_add_key(rdev, dev, key.idx,
4444 NL80211_KEYTYPE_PAIRWISE,
4450 wdev_unlock(dev->ieee80211_ptr);
4455 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4457 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4459 struct net_device *dev = info->user_ptr[1];
4460 struct key_parse key;
4461 const u8 *mac_addr = NULL;
4463 err = nl80211_parse_key(info, &key);
4468 GENL_SET_ERR_MSG(info, "no key");
4472 if (info->attrs[NL80211_ATTR_MAC])
4473 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4475 if (key.type == -1) {
4477 key.type = NL80211_KEYTYPE_PAIRWISE;
4479 key.type = NL80211_KEYTYPE_GROUP;
4483 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4484 key.type != NL80211_KEYTYPE_GROUP) {
4485 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4489 if (key.type == NL80211_KEYTYPE_GROUP &&
4490 info->attrs[NL80211_ATTR_VLAN_ID])
4491 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4493 if (!rdev->ops->add_key)
4496 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4497 key.type == NL80211_KEYTYPE_PAIRWISE,
4499 GENL_SET_ERR_MSG(info, "key setting validation failed");
4503 wdev_lock(dev->ieee80211_ptr);
4504 err = nl80211_key_allowed(dev->ieee80211_ptr);
4506 GENL_SET_ERR_MSG(info, "key not allowed");
4508 err = rdev_add_key(rdev, dev, key.idx,
4509 key.type == NL80211_KEYTYPE_PAIRWISE,
4512 GENL_SET_ERR_MSG(info, "key addition failed");
4514 wdev_unlock(dev->ieee80211_ptr);
4519 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4521 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4523 struct net_device *dev = info->user_ptr[1];
4524 u8 *mac_addr = NULL;
4525 struct key_parse key;
4527 err = nl80211_parse_key(info, &key);
4531 if (info->attrs[NL80211_ATTR_MAC])
4532 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4534 if (key.type == -1) {
4536 key.type = NL80211_KEYTYPE_PAIRWISE;
4538 key.type = NL80211_KEYTYPE_GROUP;
4542 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4543 key.type != NL80211_KEYTYPE_GROUP)
4546 if (!cfg80211_valid_key_idx(rdev, key.idx,
4547 key.type == NL80211_KEYTYPE_PAIRWISE))
4550 if (!rdev->ops->del_key)
4553 wdev_lock(dev->ieee80211_ptr);
4554 err = nl80211_key_allowed(dev->ieee80211_ptr);
4556 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4557 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4561 err = rdev_del_key(rdev, dev, key.idx,
4562 key.type == NL80211_KEYTYPE_PAIRWISE,
4565 #ifdef CONFIG_CFG80211_WEXT
4567 if (key.idx == dev->ieee80211_ptr->wext.default_key)
4568 dev->ieee80211_ptr->wext.default_key = -1;
4569 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
4570 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4573 wdev_unlock(dev->ieee80211_ptr);
4578 /* This function returns an error or the number of nested attributes */
4579 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4581 struct nlattr *attr;
4582 int n_entries = 0, tmp;
4584 nla_for_each_nested(attr, nl_attr, tmp) {
4585 if (nla_len(attr) != ETH_ALEN)
4595 * This function parses ACL information and allocates memory for ACL data.
4596 * On successful return, the calling function is responsible to free the
4597 * ACL buffer returned by this function.
4599 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4600 struct genl_info *info)
4602 enum nl80211_acl_policy acl_policy;
4603 struct nlattr *attr;
4604 struct cfg80211_acl_data *acl;
4605 int i = 0, n_entries, tmp;
4607 if (!wiphy->max_acl_mac_addrs)
4608 return ERR_PTR(-EOPNOTSUPP);
4610 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4611 return ERR_PTR(-EINVAL);
4613 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4614 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4615 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4616 return ERR_PTR(-EINVAL);
4618 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4619 return ERR_PTR(-EINVAL);
4621 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4623 return ERR_PTR(n_entries);
4625 if (n_entries > wiphy->max_acl_mac_addrs)
4626 return ERR_PTR(-ENOTSUPP);
4628 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4630 return ERR_PTR(-ENOMEM);
4632 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4633 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4637 acl->n_acl_entries = n_entries;
4638 acl->acl_policy = acl_policy;
4643 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4645 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4646 struct net_device *dev = info->user_ptr[1];
4647 struct cfg80211_acl_data *acl;
4650 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4651 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4654 if (!dev->ieee80211_ptr->beacon_interval)
4657 acl = parse_acl_data(&rdev->wiphy, info);
4659 return PTR_ERR(acl);
4661 err = rdev_set_mac_acl(rdev, dev, acl);
4668 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4669 u8 *rates, u8 rates_len)
4674 for (i = 0; i < rates_len; i++) {
4675 int rate = (rates[i] & 0x7f) * 5;
4678 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4679 struct ieee80211_rate *srate =
4680 &sband->bitrates[ridx];
4681 if (rate == srate->bitrate) {
4686 if (ridx == sband->n_bitrates)
4687 return 0; /* rate not found */
4693 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4694 u8 *rates, u8 rates_len,
4695 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4699 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4701 for (i = 0; i < rates_len; i++) {
4704 ridx = rates[i] / 8;
4705 rbit = BIT(rates[i] % 8);
4707 /* check validity */
4708 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4711 /* check availability */
4712 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4713 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4722 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4726 switch (vht_mcs_map) {
4727 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4729 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4732 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4735 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4745 static void vht_build_mcs_mask(u16 vht_mcs_map,
4746 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4750 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4751 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4756 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4757 struct nl80211_txrate_vht *txrate,
4758 u16 mcs[NL80211_VHT_NSS_MAX])
4760 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4761 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4764 if (!sband->vht_cap.vht_supported)
4767 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4769 /* Build vht_mcs_mask from VHT capabilities */
4770 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4772 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4773 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4774 mcs[i] = txrate->mcs[i];
4782 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
4784 switch (he_mcs_map) {
4785 case IEEE80211_HE_MCS_NOT_SUPPORTED:
4787 case IEEE80211_HE_MCS_SUPPORT_0_7:
4789 case IEEE80211_HE_MCS_SUPPORT_0_9:
4791 case IEEE80211_HE_MCS_SUPPORT_0_11:
4799 static void he_build_mcs_mask(u16 he_mcs_map,
4800 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
4804 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
4805 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
4810 static u16 he_get_txmcsmap(struct genl_info *info,
4811 const struct ieee80211_sta_he_cap *he_cap)
4813 struct net_device *dev = info->user_ptr[1];
4814 struct wireless_dev *wdev = dev->ieee80211_ptr;
4817 switch (wdev->chandef.width) {
4818 case NL80211_CHAN_WIDTH_80P80:
4819 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
4821 case NL80211_CHAN_WIDTH_160:
4822 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
4825 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
4828 return le16_to_cpu(tx_mcs);
4831 static bool he_set_mcs_mask(struct genl_info *info,
4832 struct wireless_dev *wdev,
4833 struct ieee80211_supported_band *sband,
4834 struct nl80211_txrate_he *txrate,
4835 u16 mcs[NL80211_HE_NSS_MAX])
4837 const struct ieee80211_sta_he_cap *he_cap;
4838 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
4842 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4846 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
4848 tx_mcs_map = he_get_txmcsmap(info, he_cap);
4850 /* Build he_mcs_mask from HE capabilities */
4851 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4853 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4854 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4855 mcs[i] = txrate->mcs[i];
4863 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4864 struct nlattr *attrs[],
4865 enum nl80211_attrs attr,
4866 struct cfg80211_bitrate_mask *mask,
4867 struct net_device *dev,
4868 bool default_all_enabled)
4870 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4871 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4872 struct wireless_dev *wdev = dev->ieee80211_ptr;
4874 struct nlattr *tx_rates;
4875 struct ieee80211_supported_band *sband;
4876 u16 vht_tx_mcs_map, he_tx_mcs_map;
4878 memset(mask, 0, sizeof(*mask));
4879 /* Default to all rates enabled */
4880 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4881 const struct ieee80211_sta_he_cap *he_cap;
4883 if (!default_all_enabled)
4886 sband = rdev->wiphy.bands[i];
4891 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4892 memcpy(mask->control[i].ht_mcs,
4893 sband->ht_cap.mcs.rx_mask,
4894 sizeof(mask->control[i].ht_mcs));
4896 if (sband->vht_cap.vht_supported) {
4897 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4898 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4901 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4905 he_tx_mcs_map = he_get_txmcsmap(info, he_cap);
4906 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
4908 mask->control[i].he_gi = 0xFF;
4909 mask->control[i].he_ltf = 0xFF;
4912 /* if no rates are given set it back to the defaults */
4916 /* The nested attribute uses enum nl80211_band as the index. This maps
4917 * directly to the enum nl80211_band values used in cfg80211.
4919 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4920 nla_for_each_nested(tx_rates, attrs[attr], rem) {
4921 enum nl80211_band band = nla_type(tx_rates);
4924 if (band < 0 || band >= NUM_NL80211_BANDS)
4926 sband = rdev->wiphy.bands[band];
4929 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4931 nl80211_txattr_policy,
4935 if (tb[NL80211_TXRATE_LEGACY]) {
4936 mask->control[band].legacy = rateset_to_mask(
4938 nla_data(tb[NL80211_TXRATE_LEGACY]),
4939 nla_len(tb[NL80211_TXRATE_LEGACY]));
4940 if ((mask->control[band].legacy == 0) &&
4941 nla_len(tb[NL80211_TXRATE_LEGACY]))
4944 if (tb[NL80211_TXRATE_HT]) {
4945 if (!ht_rateset_to_mask(
4947 nla_data(tb[NL80211_TXRATE_HT]),
4948 nla_len(tb[NL80211_TXRATE_HT]),
4949 mask->control[band].ht_mcs))
4953 if (tb[NL80211_TXRATE_VHT]) {
4954 if (!vht_set_mcs_mask(
4956 nla_data(tb[NL80211_TXRATE_VHT]),
4957 mask->control[band].vht_mcs))
4961 if (tb[NL80211_TXRATE_GI]) {
4962 mask->control[band].gi =
4963 nla_get_u8(tb[NL80211_TXRATE_GI]);
4964 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4967 if (tb[NL80211_TXRATE_HE] &&
4968 !he_set_mcs_mask(info, wdev, sband,
4969 nla_data(tb[NL80211_TXRATE_HE]),
4970 mask->control[band].he_mcs))
4973 if (tb[NL80211_TXRATE_HE_GI])
4974 mask->control[band].he_gi =
4975 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
4976 if (tb[NL80211_TXRATE_HE_LTF])
4977 mask->control[band].he_ltf =
4978 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
4980 if (mask->control[band].legacy == 0) {
4981 /* don't allow empty legacy rates if HT, VHT or HE
4982 * are not even supported.
4984 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4985 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
4986 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
4989 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4990 if (mask->control[band].ht_mcs[i])
4993 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4994 if (mask->control[band].vht_mcs[i])
4997 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
4998 if (mask->control[band].he_mcs[i])
5001 /* legacy and mcs rates may not be both empty */
5010 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
5011 enum nl80211_band band,
5012 struct cfg80211_bitrate_mask *beacon_rate)
5014 u32 count_ht, count_vht, count_he, i;
5015 u32 rate = beacon_rate->control[band].legacy;
5017 /* Allow only one rate */
5018 if (hweight32(rate) > 1)
5022 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
5023 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
5025 } else if (beacon_rate->control[band].ht_mcs[i]) {
5030 if (count_ht && rate)
5035 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
5036 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
5038 } else if (beacon_rate->control[band].vht_mcs[i]) {
5043 if (count_vht && rate)
5048 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
5049 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
5051 } else if (beacon_rate->control[band].he_mcs[i]) {
5056 if (count_he && rate)
5060 if ((count_ht && count_vht && count_he) ||
5061 (!rate && !count_ht && !count_vht && !count_he))
5065 !wiphy_ext_feature_isset(&rdev->wiphy,
5066 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
5069 !wiphy_ext_feature_isset(&rdev->wiphy,
5070 NL80211_EXT_FEATURE_BEACON_RATE_HT))
5073 !wiphy_ext_feature_isset(&rdev->wiphy,
5074 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
5077 !wiphy_ext_feature_isset(&rdev->wiphy,
5078 NL80211_EXT_FEATURE_BEACON_RATE_HE))
5084 static int nl80211_parse_mbssid_config(struct wiphy *wiphy,
5085 struct net_device *dev,
5086 struct nlattr *attrs,
5087 struct cfg80211_mbssid_config *config,
5090 struct nlattr *tb[NL80211_MBSSID_CONFIG_ATTR_MAX + 1];
5092 if (!wiphy->mbssid_max_interfaces)
5095 if (nla_parse_nested(tb, NL80211_MBSSID_CONFIG_ATTR_MAX, attrs, NULL,
5097 !tb[NL80211_MBSSID_CONFIG_ATTR_INDEX])
5100 config->ema = nla_get_flag(tb[NL80211_MBSSID_CONFIG_ATTR_EMA]);
5102 if (!wiphy->ema_max_profile_periodicity)
5105 if (num_elems > wiphy->ema_max_profile_periodicity)
5109 config->index = nla_get_u8(tb[NL80211_MBSSID_CONFIG_ATTR_INDEX]);
5110 if (config->index >= wiphy->mbssid_max_interfaces ||
5111 (!config->index && !num_elems))
5114 if (tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]) {
5116 nla_get_u32(tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]);
5118 if ((!config->index && tx_ifindex != dev->ifindex) ||
5119 (config->index && tx_ifindex == dev->ifindex))
5122 if (tx_ifindex != dev->ifindex) {
5123 struct net_device *tx_netdev =
5124 dev_get_by_index(wiphy_net(wiphy), tx_ifindex);
5126 if (!tx_netdev || !tx_netdev->ieee80211_ptr ||
5127 tx_netdev->ieee80211_ptr->wiphy != wiphy ||
5128 tx_netdev->ieee80211_ptr->iftype !=
5129 NL80211_IFTYPE_AP) {
5134 config->tx_wdev = tx_netdev->ieee80211_ptr;
5136 config->tx_wdev = dev->ieee80211_ptr;
5138 } else if (!config->index) {
5139 config->tx_wdev = dev->ieee80211_ptr;
5147 static struct cfg80211_mbssid_elems *
5148 nl80211_parse_mbssid_elems(struct wiphy *wiphy, struct nlattr *attrs)
5150 struct nlattr *nl_elems;
5151 struct cfg80211_mbssid_elems *elems;
5153 u8 i = 0, num_elems = 0;
5155 if (!wiphy->mbssid_max_interfaces)
5156 return ERR_PTR(-EINVAL);
5158 nla_for_each_nested(nl_elems, attrs, rem_elems)
5161 elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL);
5163 return ERR_PTR(-ENOMEM);
5165 nla_for_each_nested(nl_elems, attrs, rem_elems) {
5166 elems->elem[i].data = nla_data(nl_elems);
5167 elems->elem[i].len = nla_len(nl_elems);
5170 elems->cnt = num_elems;
5174 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
5175 struct nlattr *attrs[],
5176 struct cfg80211_beacon_data *bcn)
5178 bool haveinfo = false;
5181 memset(bcn, 0, sizeof(*bcn));
5183 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
5184 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
5185 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
5191 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
5192 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
5193 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
5200 if (attrs[NL80211_ATTR_IE]) {
5201 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
5202 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
5205 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
5206 bcn->proberesp_ies =
5207 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5208 bcn->proberesp_ies_len =
5209 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5212 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
5213 bcn->assocresp_ies =
5214 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5215 bcn->assocresp_ies_len =
5216 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5219 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5220 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5221 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
5224 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5225 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5227 err = nla_parse_nested_deprecated(tb,
5228 NL80211_FTM_RESP_ATTR_MAX,
5229 attrs[NL80211_ATTR_FTM_RESPONDER],
5234 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5235 wiphy_ext_feature_isset(&rdev->wiphy,
5236 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5237 bcn->ftm_responder = 1;
5241 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5242 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5243 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5246 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5247 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5248 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5251 bcn->ftm_responder = -1;
5254 if (attrs[NL80211_ATTR_MBSSID_ELEMS]) {
5255 struct cfg80211_mbssid_elems *mbssid =
5256 nl80211_parse_mbssid_elems(&rdev->wiphy,
5257 attrs[NL80211_ATTR_MBSSID_ELEMS]);
5260 return PTR_ERR(mbssid);
5262 bcn->mbssid_ies = mbssid;
5268 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5269 struct ieee80211_he_obss_pd *he_obss_pd)
5271 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5274 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5275 he_obss_pd_policy, NULL);
5279 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5282 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5284 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5285 he_obss_pd->min_offset =
5286 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5287 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5288 he_obss_pd->max_offset =
5289 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
5290 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5291 he_obss_pd->non_srg_max_offset =
5292 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
5294 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
5297 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5298 memcpy(he_obss_pd->bss_color_bitmap,
5299 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5300 sizeof(he_obss_pd->bss_color_bitmap));
5302 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5303 memcpy(he_obss_pd->partial_bssid_bitmap,
5304 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5305 sizeof(he_obss_pd->partial_bssid_bitmap));
5307 he_obss_pd->enable = true;
5312 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5313 struct cfg80211_he_bss_color *he_bss_color)
5315 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5318 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5319 he_bss_color_policy, NULL);
5323 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5326 he_bss_color->color =
5327 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5328 he_bss_color->enabled =
5329 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5330 he_bss_color->partial =
5331 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5336 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5337 struct nlattr *attrs,
5338 struct cfg80211_ap_settings *params)
5340 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5342 struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery;
5344 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5345 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5348 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5353 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5354 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5355 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5358 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5359 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5360 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5361 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5367 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5368 struct nlattr *attrs,
5369 struct cfg80211_ap_settings *params)
5371 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5373 struct cfg80211_unsol_bcast_probe_resp *presp =
5374 ¶ms->unsol_bcast_probe_resp;
5376 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5377 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5380 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5385 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5386 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5389 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5390 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5391 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5395 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5396 const struct element *rates)
5403 for (i = 0; i < rates->datalen; i++) {
5404 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5405 params->ht_required = true;
5406 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5407 params->vht_required = true;
5408 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5409 params->he_required = true;
5410 if (rates->data[i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5411 params->sae_h2e_required = true;
5416 * Since the nl80211 API didn't include, from the beginning, attributes about
5417 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5418 * benefit of drivers that rebuild IEs in the firmware.
5420 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5422 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5423 size_t ies_len = bcn->tail_len;
5424 const u8 *ies = bcn->tail;
5425 const struct element *rates;
5426 const struct element *cap;
5428 rates = cfg80211_find_elem(WLAN_EID_SUPP_RATES, ies, ies_len);
5429 nl80211_check_ap_rate_selectors(params, rates);
5431 rates = cfg80211_find_elem(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5432 nl80211_check_ap_rate_selectors(params, rates);
5434 cap = cfg80211_find_elem(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5435 if (cap && cap->datalen >= sizeof(*params->ht_cap))
5436 params->ht_cap = (void *)cap->data;
5437 cap = cfg80211_find_elem(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5438 if (cap && cap->datalen >= sizeof(*params->vht_cap))
5439 params->vht_cap = (void *)cap->data;
5440 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5441 if (cap && cap->datalen >= sizeof(*params->he_cap) + 1)
5442 params->he_cap = (void *)(cap->data + 1);
5443 cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5444 if (cap && cap->datalen >= sizeof(*params->he_oper) + 1)
5445 params->he_oper = (void *)(cap->data + 1);
5448 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5449 struct cfg80211_ap_settings *params)
5451 struct wireless_dev *wdev;
5454 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5455 if (wdev->iftype != NL80211_IFTYPE_AP &&
5456 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5459 if (!wdev->preset_chandef.chan)
5462 params->chandef = wdev->preset_chandef;
5470 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5471 enum nl80211_auth_type auth_type,
5472 enum nl80211_commands cmd)
5474 if (auth_type > NL80211_AUTHTYPE_MAX)
5478 case NL80211_CMD_AUTHENTICATE:
5479 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5480 auth_type == NL80211_AUTHTYPE_SAE)
5482 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5483 NL80211_EXT_FEATURE_FILS_STA) &&
5484 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5485 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5486 auth_type == NL80211_AUTHTYPE_FILS_PK))
5489 case NL80211_CMD_CONNECT:
5490 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5491 !wiphy_ext_feature_isset(&rdev->wiphy,
5492 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5493 auth_type == NL80211_AUTHTYPE_SAE)
5496 /* FILS with SK PFS or PK not supported yet */
5497 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5498 auth_type == NL80211_AUTHTYPE_FILS_PK)
5500 if (!wiphy_ext_feature_isset(
5502 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5503 auth_type == NL80211_AUTHTYPE_FILS_SK)
5506 case NL80211_CMD_START_AP:
5507 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5508 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5509 auth_type == NL80211_AUTHTYPE_SAE)
5511 /* FILS not supported yet */
5512 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5513 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5514 auth_type == NL80211_AUTHTYPE_FILS_PK)
5522 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5524 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5525 struct net_device *dev = info->user_ptr[1];
5526 struct wireless_dev *wdev = dev->ieee80211_ptr;
5527 struct cfg80211_ap_settings *params;
5530 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5531 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5534 if (!rdev->ops->start_ap)
5537 if (wdev->beacon_interval)
5540 /* these are required for START_AP */
5541 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5542 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5543 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5546 params = kzalloc(sizeof(*params), GFP_KERNEL);
5550 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms->beacon);
5554 params->beacon_interval =
5555 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5556 params->dtim_period =
5557 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5559 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5560 params->beacon_interval);
5565 * In theory, some of these attributes should be required here
5566 * but since they were not used when the command was originally
5567 * added, keep them optional for old user space programs to let
5568 * them continue to work with drivers that do not need the
5569 * additional information -- drivers must check!
5571 if (info->attrs[NL80211_ATTR_SSID]) {
5572 params->ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5574 nla_len(info->attrs[NL80211_ATTR_SSID]);
5575 if (params->ssid_len == 0) {
5581 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
5582 params->hidden_ssid = nla_get_u32(
5583 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
5585 params->privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5587 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5588 params->auth_type = nla_get_u32(
5589 info->attrs[NL80211_ATTR_AUTH_TYPE]);
5590 if (!nl80211_valid_auth_type(rdev, params->auth_type,
5591 NL80211_CMD_START_AP)) {
5596 params->auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5598 err = nl80211_crypto_settings(rdev, info, ¶ms->crypto,
5599 NL80211_MAX_NR_CIPHER_SUITES);
5603 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
5604 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) {
5608 params->inactivity_timeout = nla_get_u16(
5609 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5612 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5613 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5617 params->p2p_ctwindow =
5618 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5619 if (params->p2p_ctwindow != 0 &&
5620 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) {
5626 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5629 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5633 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5634 params->p2p_opp_ps = tmp;
5635 if (params->p2p_opp_ps != 0 &&
5636 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) {
5642 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
5643 err = nl80211_parse_chandef(rdev, info, ¶ms->chandef);
5646 } else if (wdev->preset_chandef.chan) {
5647 params->chandef = wdev->preset_chandef;
5648 } else if (!nl80211_get_ap_channel(rdev, params)) {
5653 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms->chandef,
5659 if (info->attrs[NL80211_ATTR_TX_RATES]) {
5660 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5661 NL80211_ATTR_TX_RATES,
5662 ¶ms->beacon_rate,
5667 err = validate_beacon_tx_rate(rdev, params->chandef.chan->band,
5668 ¶ms->beacon_rate);
5673 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
5675 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
5676 switch (params->smps_mode) {
5677 case NL80211_SMPS_OFF:
5679 case NL80211_SMPS_STATIC:
5680 if (!(rdev->wiphy.features &
5681 NL80211_FEATURE_STATIC_SMPS)) {
5686 case NL80211_SMPS_DYNAMIC:
5687 if (!(rdev->wiphy.features &
5688 NL80211_FEATURE_DYNAMIC_SMPS)) {
5698 params->smps_mode = NL80211_SMPS_OFF;
5701 params->pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
5702 if (params->pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
5707 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
5708 params->acl = parse_acl_data(&rdev->wiphy, info);
5709 if (IS_ERR(params->acl)) {
5710 err = PTR_ERR(params->acl);
5716 params->twt_responder =
5717 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
5719 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5720 err = nl80211_parse_he_obss_pd(
5721 info->attrs[NL80211_ATTR_HE_OBSS_PD],
5722 ¶ms->he_obss_pd);
5727 if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5728 err = nl80211_parse_he_bss_color(
5729 info->attrs[NL80211_ATTR_HE_BSS_COLOR],
5730 ¶ms->he_bss_color);
5735 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
5736 err = nl80211_parse_fils_discovery(rdev,
5737 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
5743 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
5744 err = nl80211_parse_unsol_bcast_probe_resp(
5745 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
5751 if (info->attrs[NL80211_ATTR_MBSSID_CONFIG]) {
5752 err = nl80211_parse_mbssid_config(&rdev->wiphy, dev,
5753 info->attrs[NL80211_ATTR_MBSSID_CONFIG],
5754 ¶ms->mbssid_config,
5755 params->beacon.mbssid_ies ?
5756 params->beacon.mbssid_ies->cnt :
5762 nl80211_calculate_ap_params(params);
5764 if (info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS])
5765 params->flags = nla_get_u32(
5766 info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS]);
5767 else if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
5768 params->flags |= NL80211_AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5771 err = rdev_start_ap(rdev, dev, params);
5773 wdev->preset_chandef = params->chandef;
5774 wdev->beacon_interval = params->beacon_interval;
5775 wdev->chandef = params->chandef;
5776 wdev->ssid_len = params->ssid_len;
5777 memcpy(wdev->ssid, params->ssid, wdev->ssid_len);
5779 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
5780 wdev->conn_owner_nlportid = info->snd_portid;
5786 kfree(params->beacon.mbssid_ies);
5787 if (params->mbssid_config.tx_wdev &&
5788 params->mbssid_config.tx_wdev->netdev &&
5789 params->mbssid_config.tx_wdev->netdev != dev)
5790 dev_put(params->mbssid_config.tx_wdev->netdev);
5796 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
5798 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5799 struct net_device *dev = info->user_ptr[1];
5800 struct wireless_dev *wdev = dev->ieee80211_ptr;
5801 struct cfg80211_beacon_data params;
5804 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5805 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5808 if (!rdev->ops->change_beacon)
5811 if (!wdev->beacon_interval)
5814 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
5819 err = rdev_change_beacon(rdev, dev, ¶ms);
5823 kfree(params.mbssid_ies);
5827 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
5829 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5830 struct net_device *dev = info->user_ptr[1];
5832 return cfg80211_stop_ap(rdev, dev, false);
5835 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
5836 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
5837 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
5838 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
5839 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
5840 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
5841 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5844 static int parse_station_flags(struct genl_info *info,
5845 enum nl80211_iftype iftype,
5846 struct station_parameters *params)
5848 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
5853 * Try parsing the new attribute first so userspace
5854 * can specify both for older kernels.
5856 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
5858 struct nl80211_sta_flag_update *sta_flags;
5860 sta_flags = nla_data(nla);
5861 params->sta_flags_mask = sta_flags->mask;
5862 params->sta_flags_set = sta_flags->set;
5863 params->sta_flags_set &= params->sta_flags_mask;
5864 if ((params->sta_flags_mask |
5865 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
5870 /* if present, parse the old attribute */
5872 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5876 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5880 * Only allow certain flags for interface types so that
5881 * other attributes are silently ignored. Remember that
5882 * this is backward compatibility code with old userspace
5883 * and shouldn't be hit in other cases anyway.
5886 case NL80211_IFTYPE_AP:
5887 case NL80211_IFTYPE_AP_VLAN:
5888 case NL80211_IFTYPE_P2P_GO:
5889 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5890 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5891 BIT(NL80211_STA_FLAG_WME) |
5892 BIT(NL80211_STA_FLAG_MFP);
5894 case NL80211_IFTYPE_P2P_CLIENT:
5895 case NL80211_IFTYPE_STATION:
5896 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5897 BIT(NL80211_STA_FLAG_TDLS_PEER);
5899 case NL80211_IFTYPE_MESH_POINT:
5900 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5901 BIT(NL80211_STA_FLAG_MFP) |
5902 BIT(NL80211_STA_FLAG_AUTHORIZED);
5908 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
5910 params->sta_flags_set |= (1<<flag);
5912 /* no longer support new API additions in old API */
5913 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
5921 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
5923 struct nlattr *rate;
5926 enum nl80211_rate_info rate_flg;
5928 rate = nla_nest_start_noflag(msg, attr);
5932 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
5933 bitrate = cfg80211_calculate_bitrate(info);
5934 /* report 16-bit bitrate only if we can */
5935 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
5937 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
5939 if (bitrate_compat > 0 &&
5940 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
5944 case RATE_INFO_BW_5:
5945 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
5947 case RATE_INFO_BW_10:
5948 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
5953 case RATE_INFO_BW_20:
5956 case RATE_INFO_BW_40:
5957 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
5959 case RATE_INFO_BW_80:
5960 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
5962 case RATE_INFO_BW_160:
5963 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
5965 case RATE_INFO_BW_HE_RU:
5967 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
5969 case RATE_INFO_BW_320:
5970 rate_flg = NL80211_RATE_INFO_320_MHZ_WIDTH;
5972 case RATE_INFO_BW_EHT_RU:
5974 WARN_ON(!(info->flags & RATE_INFO_FLAGS_EHT_MCS));
5978 if (rate_flg && nla_put_flag(msg, rate_flg))
5981 if (info->flags & RATE_INFO_FLAGS_MCS) {
5982 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5984 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5985 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5987 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5988 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5990 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5992 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5993 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5995 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5996 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5998 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
6000 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
6002 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
6004 if (info->bw == RATE_INFO_BW_HE_RU &&
6005 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
6008 } else if (info->flags & RATE_INFO_FLAGS_EHT_MCS) {
6009 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_MCS, info->mcs))
6011 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_NSS, info->nss))
6013 if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_GI, info->eht_gi))
6015 if (info->bw == RATE_INFO_BW_EHT_RU &&
6016 nla_put_u8(msg, NL80211_RATE_INFO_EHT_RU_ALLOC,
6017 info->eht_ru_alloc))
6021 nla_nest_end(msg, rate);
6025 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
6034 attr = nla_nest_start_noflag(msg, id);
6038 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
6039 if (!(mask & BIT(i)))
6042 if (nla_put_u8(msg, i, signal[i]))
6046 nla_nest_end(msg, attr);
6051 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
6053 struct cfg80211_registered_device *rdev,
6054 struct net_device *dev,
6055 const u8 *mac_addr, struct station_info *sinfo)
6058 struct nlattr *sinfoattr, *bss_param;
6060 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
6062 cfg80211_sinfo_release_content(sinfo);
6066 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6067 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
6068 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
6069 goto nla_put_failure;
6071 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
6073 goto nla_put_failure;
6075 #define PUT_SINFO(attr, memb, type) do { \
6076 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
6077 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6078 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
6080 goto nla_put_failure; \
6082 #define PUT_SINFO_U64(attr, memb) do { \
6083 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
6084 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
6085 sinfo->memb, NL80211_STA_INFO_PAD)) \
6086 goto nla_put_failure; \
6089 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
6090 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
6091 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
6093 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
6094 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
6095 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
6096 (u32)sinfo->rx_bytes))
6097 goto nla_put_failure;
6099 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
6100 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
6101 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
6102 (u32)sinfo->tx_bytes))
6103 goto nla_put_failure;
6105 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
6106 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
6107 PUT_SINFO(LLID, llid, u16);
6108 PUT_SINFO(PLID, plid, u16);
6109 PUT_SINFO(PLINK_STATE, plink_state, u8);
6110 PUT_SINFO_U64(RX_DURATION, rx_duration);
6111 PUT_SINFO_U64(TX_DURATION, tx_duration);
6113 if (wiphy_ext_feature_isset(&rdev->wiphy,
6114 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6115 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
6117 switch (rdev->wiphy.signal_type) {
6118 case CFG80211_SIGNAL_TYPE_MBM:
6119 PUT_SINFO(SIGNAL, signal, u8);
6120 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
6125 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
6126 if (!nl80211_put_signal(msg, sinfo->chains,
6127 sinfo->chain_signal,
6128 NL80211_STA_INFO_CHAIN_SIGNAL))
6129 goto nla_put_failure;
6131 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
6132 if (!nl80211_put_signal(msg, sinfo->chains,
6133 sinfo->chain_signal_avg,
6134 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
6135 goto nla_put_failure;
6137 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
6138 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
6139 NL80211_STA_INFO_TX_BITRATE))
6140 goto nla_put_failure;
6142 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
6143 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
6144 NL80211_STA_INFO_RX_BITRATE))
6145 goto nla_put_failure;
6148 PUT_SINFO(RX_PACKETS, rx_packets, u32);
6149 PUT_SINFO(TX_PACKETS, tx_packets, u32);
6150 PUT_SINFO(TX_RETRIES, tx_retries, u32);
6151 PUT_SINFO(TX_FAILED, tx_failed, u32);
6152 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
6153 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
6154 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
6155 PUT_SINFO(LOCAL_PM, local_pm, u32);
6156 PUT_SINFO(PEER_PM, peer_pm, u32);
6157 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
6158 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
6159 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
6161 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
6162 bss_param = nla_nest_start_noflag(msg,
6163 NL80211_STA_INFO_BSS_PARAM);
6165 goto nla_put_failure;
6167 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
6168 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
6169 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
6170 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
6171 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
6172 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
6173 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
6174 sinfo->bss_param.dtim_period) ||
6175 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
6176 sinfo->bss_param.beacon_interval))
6177 goto nla_put_failure;
6179 nla_nest_end(msg, bss_param);
6181 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
6182 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
6183 sizeof(struct nl80211_sta_flag_update),
6185 goto nla_put_failure;
6187 PUT_SINFO_U64(T_OFFSET, t_offset);
6188 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
6189 PUT_SINFO_U64(BEACON_RX, rx_beacon);
6190 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
6191 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
6192 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
6193 if (wiphy_ext_feature_isset(&rdev->wiphy,
6194 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
6195 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
6196 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
6200 #undef PUT_SINFO_U64
6202 if (sinfo->pertid) {
6203 struct nlattr *tidsattr;
6206 tidsattr = nla_nest_start_noflag(msg,
6207 NL80211_STA_INFO_TID_STATS);
6209 goto nla_put_failure;
6211 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
6212 struct cfg80211_tid_stats *tidstats;
6213 struct nlattr *tidattr;
6215 tidstats = &sinfo->pertid[tid];
6217 if (!tidstats->filled)
6220 tidattr = nla_nest_start_noflag(msg, tid + 1);
6222 goto nla_put_failure;
6224 #define PUT_TIDVAL_U64(attr, memb) do { \
6225 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
6226 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
6227 tidstats->memb, NL80211_TID_STATS_PAD)) \
6228 goto nla_put_failure; \
6231 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
6232 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
6233 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
6234 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6236 #undef PUT_TIDVAL_U64
6237 if ((tidstats->filled &
6238 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
6239 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
6240 NL80211_TID_STATS_TXQ_STATS))
6241 goto nla_put_failure;
6243 nla_nest_end(msg, tidattr);
6246 nla_nest_end(msg, tidsattr);
6249 nla_nest_end(msg, sinfoattr);
6251 if (sinfo->assoc_req_ies_len &&
6252 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
6253 sinfo->assoc_req_ies))
6254 goto nla_put_failure;
6256 cfg80211_sinfo_release_content(sinfo);
6257 genlmsg_end(msg, hdr);
6261 cfg80211_sinfo_release_content(sinfo);
6262 genlmsg_cancel(msg, hdr);
6266 static int nl80211_dump_station(struct sk_buff *skb,
6267 struct netlink_callback *cb)
6269 struct station_info sinfo;
6270 struct cfg80211_registered_device *rdev;
6271 struct wireless_dev *wdev;
6272 u8 mac_addr[ETH_ALEN];
6273 int sta_idx = cb->args[2];
6276 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
6279 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6280 __acquire(&rdev->wiphy.mtx);
6282 if (!wdev->netdev) {
6287 if (!rdev->ops->dump_station) {
6293 memset(&sinfo, 0, sizeof(sinfo));
6294 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
6301 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
6302 NETLINK_CB(cb->skb).portid,
6303 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6304 rdev, wdev->netdev, mac_addr,
6312 cb->args[2] = sta_idx;
6315 wiphy_unlock(&rdev->wiphy);
6320 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6322 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6323 struct net_device *dev = info->user_ptr[1];
6324 struct station_info sinfo;
6325 struct sk_buff *msg;
6326 u8 *mac_addr = NULL;
6329 memset(&sinfo, 0, sizeof(sinfo));
6331 if (!info->attrs[NL80211_ATTR_MAC])
6334 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6336 if (!rdev->ops->get_station)
6339 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
6343 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6345 cfg80211_sinfo_release_content(&sinfo);
6349 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6350 info->snd_portid, info->snd_seq, 0,
6351 rdev, dev, mac_addr, &sinfo) < 0) {
6356 return genlmsg_reply(msg, info);
6359 int cfg80211_check_station_change(struct wiphy *wiphy,
6360 struct station_parameters *params,
6361 enum cfg80211_station_type statype)
6363 if (params->listen_interval != -1 &&
6364 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6367 if (params->support_p2p_ps != -1 &&
6368 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6372 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6373 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6376 /* When you run into this, adjust the code below for the new flag */
6377 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6380 case CFG80211_STA_MESH_PEER_KERNEL:
6381 case CFG80211_STA_MESH_PEER_USER:
6383 * No ignoring the TDLS flag here -- the userspace mesh
6384 * code doesn't have the bug of including TDLS in the
6387 if (params->sta_flags_mask &
6388 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6389 BIT(NL80211_STA_FLAG_MFP) |
6390 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6393 case CFG80211_STA_TDLS_PEER_SETUP:
6394 case CFG80211_STA_TDLS_PEER_ACTIVE:
6395 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6397 /* ignore since it can't change */
6398 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6401 /* disallow mesh-specific things */
6402 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6404 if (params->local_pm)
6406 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6410 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6411 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6412 /* TDLS can't be set, ... */
6413 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6416 * ... but don't bother the driver with it. This works around
6417 * a hostapd/wpa_supplicant issue -- it always includes the
6418 * TLDS_PEER flag in the mask even for AP mode.
6420 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6423 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6424 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6425 /* reject other things that can't change */
6426 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6428 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6430 if (params->supported_rates)
6432 if (params->ext_capab || params->ht_capa || params->vht_capa ||
6433 params->he_capa || params->eht_capa)
6437 if (statype != CFG80211_STA_AP_CLIENT &&
6438 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6444 case CFG80211_STA_AP_MLME_CLIENT:
6445 /* Use this only for authorizing/unauthorizing a station */
6446 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6449 case CFG80211_STA_AP_CLIENT:
6450 case CFG80211_STA_AP_CLIENT_UNASSOC:
6451 /* accept only the listed bits */
6452 if (params->sta_flags_mask &
6453 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6454 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6455 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6456 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6457 BIT(NL80211_STA_FLAG_WME) |
6458 BIT(NL80211_STA_FLAG_MFP)))
6461 /* but authenticated/associated only if driver handles it */
6462 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6463 params->sta_flags_mask &
6464 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6465 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6468 case CFG80211_STA_IBSS:
6469 case CFG80211_STA_AP_STA:
6470 /* reject any changes other than AUTHORIZED */
6471 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6474 case CFG80211_STA_TDLS_PEER_SETUP:
6475 /* reject any changes other than AUTHORIZED or WME */
6476 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6477 BIT(NL80211_STA_FLAG_WME)))
6479 /* force (at least) rates when authorizing */
6480 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6481 !params->supported_rates)
6484 case CFG80211_STA_TDLS_PEER_ACTIVE:
6485 /* reject any changes */
6487 case CFG80211_STA_MESH_PEER_KERNEL:
6488 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6491 case CFG80211_STA_MESH_PEER_USER:
6492 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6493 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
6499 * Older kernel versions ignored this attribute entirely, so don't
6500 * reject attempts to update it but mark it as unused instead so the
6501 * driver won't look at the data.
6503 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6504 statype != CFG80211_STA_TDLS_PEER_SETUP)
6505 params->opmode_notif_used = false;
6509 EXPORT_SYMBOL(cfg80211_check_station_change);
6512 * Get vlan interface making sure it is running and on the right wiphy.
6514 static struct net_device *get_vlan(struct genl_info *info,
6515 struct cfg80211_registered_device *rdev)
6517 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
6518 struct net_device *v;
6524 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6526 return ERR_PTR(-ENODEV);
6528 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6533 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6534 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6535 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6540 if (!netif_running(v)) {
6548 return ERR_PTR(ret);
6551 static const struct nla_policy
6552 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
6553 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
6554 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
6557 static int nl80211_parse_sta_wme(struct genl_info *info,
6558 struct station_parameters *params)
6560 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6564 /* parse WME attributes if present */
6565 if (!info->attrs[NL80211_ATTR_STA_WME])
6568 nla = info->attrs[NL80211_ATTR_STA_WME];
6569 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6570 nl80211_sta_wme_policy,
6575 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6576 params->uapsd_queues = nla_get_u8(
6577 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6578 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6581 if (tb[NL80211_STA_WME_MAX_SP])
6582 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6584 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6587 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6592 static int nl80211_parse_sta_channel_info(struct genl_info *info,
6593 struct station_parameters *params)
6595 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6596 params->supported_channels =
6597 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6598 params->supported_channels_len =
6599 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6601 * Need to include at least one (first channel, number of
6602 * channels) tuple for each subband (checked in policy),
6603 * and must have proper tuples for the rest of the data as well.
6605 if (params->supported_channels_len % 2)
6609 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6610 params->supported_oper_classes =
6611 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6612 params->supported_oper_classes_len =
6613 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6618 static int nl80211_set_station_tdls(struct genl_info *info,
6619 struct station_parameters *params)
6622 /* Dummy STA entry gets updated once the peer capabilities are known */
6623 if (info->attrs[NL80211_ATTR_PEER_AID])
6624 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6625 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6627 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6628 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6630 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6631 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6633 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6634 params->he_capa_len =
6635 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6637 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
6639 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
6640 params->eht_capa_len =
6641 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
6643 if (!ieee80211_eht_capa_size_ok((const u8 *)params->he_capa,
6644 (const u8 *)params->eht_capa,
6645 params->eht_capa_len))
6650 err = nl80211_parse_sta_channel_info(info, params);
6654 return nl80211_parse_sta_wme(info, params);
6657 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
6658 struct station_parameters *params)
6660 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6663 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
6664 if (!rdev->ops->set_tx_power ||
6665 !wiphy_ext_feature_isset(&rdev->wiphy,
6666 NL80211_EXT_FEATURE_STA_TX_PWR))
6669 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
6670 params->txpwr.type = nla_get_u8(info->attrs[idx]);
6672 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
6673 idx = NL80211_ATTR_STA_TX_POWER;
6675 if (info->attrs[idx])
6676 params->txpwr.power =
6677 nla_get_s16(info->attrs[idx]);
6681 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
6687 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
6689 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6690 struct net_device *dev = info->user_ptr[1];
6691 struct station_parameters params;
6695 memset(¶ms, 0, sizeof(params));
6697 if (!rdev->ops->change_station)
6701 * AID and listen_interval properties can be set only for unassociated
6702 * station. Include these parameters here and will check them in
6703 * cfg80211_check_station_change().
6705 if (info->attrs[NL80211_ATTR_STA_AID])
6706 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6708 if (info->attrs[NL80211_ATTR_VLAN_ID])
6709 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6711 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6712 params.listen_interval =
6713 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6715 params.listen_interval = -1;
6717 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
6718 params.support_p2p_ps =
6719 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6721 params.support_p2p_ps = -1;
6723 if (!info->attrs[NL80211_ATTR_MAC])
6726 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6728 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
6729 params.supported_rates =
6730 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6731 params.supported_rates_len =
6732 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6735 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6737 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6738 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6741 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6743 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6744 params.ext_capab_len =
6745 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6748 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6751 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6752 params.plink_action =
6753 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6755 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
6756 params.plink_state =
6757 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
6758 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
6759 params.peer_aid = nla_get_u16(
6760 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
6761 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
6764 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
6765 params.local_pm = nla_get_u32(
6766 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
6768 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6769 params.opmode_notif_used = true;
6770 params.opmode_notif =
6771 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6774 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6775 params.he_6ghz_capa =
6776 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6778 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6779 params.airtime_weight =
6780 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6782 if (params.airtime_weight &&
6783 !wiphy_ext_feature_isset(&rdev->wiphy,
6784 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6787 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6791 /* Include parameters for TDLS peer (will check later) */
6792 err = nl80211_set_station_tdls(info, ¶ms);
6796 params.vlan = get_vlan(info, rdev);
6797 if (IS_ERR(params.vlan))
6798 return PTR_ERR(params.vlan);
6800 switch (dev->ieee80211_ptr->iftype) {
6801 case NL80211_IFTYPE_AP:
6802 case NL80211_IFTYPE_AP_VLAN:
6803 case NL80211_IFTYPE_P2P_GO:
6804 case NL80211_IFTYPE_P2P_CLIENT:
6805 case NL80211_IFTYPE_STATION:
6806 case NL80211_IFTYPE_ADHOC:
6807 case NL80211_IFTYPE_MESH_POINT:
6814 /* driver will call cfg80211_check_station_change() */
6815 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
6818 dev_put(params.vlan);
6823 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
6825 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6827 struct net_device *dev = info->user_ptr[1];
6828 struct station_parameters params;
6829 u8 *mac_addr = NULL;
6830 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6831 BIT(NL80211_STA_FLAG_ASSOCIATED);
6833 memset(¶ms, 0, sizeof(params));
6835 if (!rdev->ops->add_station)
6838 if (!info->attrs[NL80211_ATTR_MAC])
6841 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6844 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
6847 if (!info->attrs[NL80211_ATTR_STA_AID] &&
6848 !info->attrs[NL80211_ATTR_PEER_AID])
6851 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6852 params.supported_rates =
6853 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6854 params.supported_rates_len =
6855 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6856 params.listen_interval =
6857 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6859 if (info->attrs[NL80211_ATTR_VLAN_ID])
6860 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6862 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
6863 params.support_p2p_ps =
6864 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6867 * if not specified, assume it's supported for P2P GO interface,
6868 * and is NOT supported for AP interface
6870 params.support_p2p_ps =
6871 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
6874 if (info->attrs[NL80211_ATTR_PEER_AID])
6875 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6877 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6879 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6881 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6882 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6885 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6887 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6888 params.ext_capab_len =
6889 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6892 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6894 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6896 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6898 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6900 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6902 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6903 params.he_capa_len =
6904 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6906 if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
6908 nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
6909 params.eht_capa_len =
6910 nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
6912 if (!ieee80211_eht_capa_size_ok((const u8 *)params.he_capa,
6913 (const u8 *)params.eht_capa,
6914 params.eht_capa_len))
6919 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6920 params.he_6ghz_capa =
6921 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6923 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6924 params.opmode_notif_used = true;
6925 params.opmode_notif =
6926 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6929 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6930 params.plink_action =
6931 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6933 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6934 params.airtime_weight =
6935 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6937 if (params.airtime_weight &&
6938 !wiphy_ext_feature_isset(&rdev->wiphy,
6939 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6942 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6946 err = nl80211_parse_sta_channel_info(info, ¶ms);
6950 err = nl80211_parse_sta_wme(info, ¶ms);
6954 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6957 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
6958 * as userspace might just pass through the capabilities from the IEs
6959 * directly, rather than enforcing this restriction and returning an
6960 * error in this case.
6962 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
6963 params.ht_capa = NULL;
6964 params.vht_capa = NULL;
6966 /* HE and EHT require WME */
6967 if (params.he_capa_len || params.he_6ghz_capa ||
6968 params.eht_capa_len)
6972 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
6973 if (params.he_6ghz_capa && (params.ht_capa || params.vht_capa))
6976 /* When you run into this, adjust the code below for the new flag */
6977 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6979 switch (dev->ieee80211_ptr->iftype) {
6980 case NL80211_IFTYPE_AP:
6981 case NL80211_IFTYPE_AP_VLAN:
6982 case NL80211_IFTYPE_P2P_GO:
6983 /* ignore WME attributes if iface/sta is not capable */
6984 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
6985 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
6986 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6988 /* TDLS peers cannot be added */
6989 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6990 info->attrs[NL80211_ATTR_PEER_AID])
6992 /* but don't bother the driver with it */
6993 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6995 /* allow authenticated/associated only if driver handles it */
6996 if (!(rdev->wiphy.features &
6997 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6998 params.sta_flags_mask & auth_assoc)
7001 /* Older userspace, or userspace wanting to be compatible with
7002 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
7003 * and assoc flags in the mask, but assumes the station will be
7004 * added as associated anyway since this was the required driver
7005 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
7007 * In order to not bother drivers with this quirk in the API
7008 * set the flags in both the mask and set for new stations in
7011 if (!(params.sta_flags_mask & auth_assoc)) {
7012 params.sta_flags_mask |= auth_assoc;
7013 params.sta_flags_set |= auth_assoc;
7016 /* must be last in here for error handling */
7017 params.vlan = get_vlan(info, rdev);
7018 if (IS_ERR(params.vlan))
7019 return PTR_ERR(params.vlan);
7021 case NL80211_IFTYPE_MESH_POINT:
7022 /* ignore uAPSD data */
7023 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7025 /* associated is disallowed */
7026 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
7028 /* TDLS peers cannot be added */
7029 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
7030 info->attrs[NL80211_ATTR_PEER_AID])
7033 case NL80211_IFTYPE_STATION:
7034 case NL80211_IFTYPE_P2P_CLIENT:
7035 /* ignore uAPSD data */
7036 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
7038 /* these are disallowed */
7039 if (params.sta_flags_mask &
7040 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
7041 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
7043 /* Only TDLS peers can be added */
7044 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
7046 /* Can only add if TDLS ... */
7047 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
7049 /* ... with external setup is supported */
7050 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
7053 * Older wpa_supplicant versions always mark the TDLS peer
7054 * as authorized, but it shouldn't yet be.
7056 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
7062 /* be aware of params.vlan when changing code here */
7064 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
7066 dev_put(params.vlan);
7070 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
7072 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7073 struct net_device *dev = info->user_ptr[1];
7074 struct station_del_parameters params;
7076 memset(¶ms, 0, sizeof(params));
7078 if (info->attrs[NL80211_ATTR_MAC])
7079 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
7081 switch (dev->ieee80211_ptr->iftype) {
7082 case NL80211_IFTYPE_AP:
7083 case NL80211_IFTYPE_AP_VLAN:
7084 case NL80211_IFTYPE_MESH_POINT:
7085 case NL80211_IFTYPE_P2P_GO:
7086 /* always accept these */
7088 case NL80211_IFTYPE_ADHOC:
7089 /* conditionally accept */
7090 if (wiphy_ext_feature_isset(&rdev->wiphy,
7091 NL80211_EXT_FEATURE_DEL_IBSS_STA))
7098 if (!rdev->ops->del_station)
7101 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
7103 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
7104 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
7105 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
7108 /* Default to Deauthentication frame */
7109 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
7112 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
7113 params.reason_code =
7114 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7115 if (params.reason_code == 0)
7116 return -EINVAL; /* 0 is reserved */
7118 /* Default to reason code 2 */
7119 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
7122 return rdev_del_station(rdev, dev, ¶ms);
7125 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
7126 int flags, struct net_device *dev,
7127 u8 *dst, u8 *next_hop,
7128 struct mpath_info *pinfo)
7131 struct nlattr *pinfoattr;
7133 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
7137 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7138 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7139 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
7140 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
7141 goto nla_put_failure;
7143 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
7145 goto nla_put_failure;
7146 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
7147 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
7149 goto nla_put_failure;
7150 if (((pinfo->filled & MPATH_INFO_SN) &&
7151 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
7152 ((pinfo->filled & MPATH_INFO_METRIC) &&
7153 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
7155 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
7156 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
7158 ((pinfo->filled & MPATH_INFO_FLAGS) &&
7159 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
7161 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
7162 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
7163 pinfo->discovery_timeout)) ||
7164 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
7165 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
7166 pinfo->discovery_retries)) ||
7167 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
7168 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
7169 pinfo->hop_count)) ||
7170 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
7171 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
7172 pinfo->path_change_count)))
7173 goto nla_put_failure;
7175 nla_nest_end(msg, pinfoattr);
7177 genlmsg_end(msg, hdr);
7181 genlmsg_cancel(msg, hdr);
7185 static int nl80211_dump_mpath(struct sk_buff *skb,
7186 struct netlink_callback *cb)
7188 struct mpath_info pinfo;
7189 struct cfg80211_registered_device *rdev;
7190 struct wireless_dev *wdev;
7192 u8 next_hop[ETH_ALEN];
7193 int path_idx = cb->args[2];
7196 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7199 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7200 __acquire(&rdev->wiphy.mtx);
7202 if (!rdev->ops->dump_mpath) {
7207 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7213 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
7220 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7221 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7222 wdev->netdev, dst, next_hop,
7230 cb->args[2] = path_idx;
7233 wiphy_unlock(&rdev->wiphy);
7237 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
7239 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7241 struct net_device *dev = info->user_ptr[1];
7242 struct mpath_info pinfo;
7243 struct sk_buff *msg;
7245 u8 next_hop[ETH_ALEN];
7247 memset(&pinfo, 0, sizeof(pinfo));
7249 if (!info->attrs[NL80211_ATTR_MAC])
7252 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7254 if (!rdev->ops->get_mpath)
7257 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7260 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
7264 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7268 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7269 dev, dst, next_hop, &pinfo) < 0) {
7274 return genlmsg_reply(msg, info);
7277 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
7279 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7280 struct net_device *dev = info->user_ptr[1];
7282 u8 *next_hop = NULL;
7284 if (!info->attrs[NL80211_ATTR_MAC])
7287 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7290 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7291 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7293 if (!rdev->ops->change_mpath)
7296 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7299 return rdev_change_mpath(rdev, dev, dst, next_hop);
7302 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
7304 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7305 struct net_device *dev = info->user_ptr[1];
7307 u8 *next_hop = NULL;
7309 if (!info->attrs[NL80211_ATTR_MAC])
7312 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7315 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7316 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7318 if (!rdev->ops->add_mpath)
7321 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7324 return rdev_add_mpath(rdev, dev, dst, next_hop);
7327 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7329 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7330 struct net_device *dev = info->user_ptr[1];
7333 if (info->attrs[NL80211_ATTR_MAC])
7334 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7336 if (!rdev->ops->del_mpath)
7339 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7342 return rdev_del_mpath(rdev, dev, dst);
7345 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7347 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7349 struct net_device *dev = info->user_ptr[1];
7350 struct mpath_info pinfo;
7351 struct sk_buff *msg;
7355 memset(&pinfo, 0, sizeof(pinfo));
7357 if (!info->attrs[NL80211_ATTR_MAC])
7360 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7362 if (!rdev->ops->get_mpp)
7365 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7368 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7372 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7376 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7377 dev, dst, mpp, &pinfo) < 0) {
7382 return genlmsg_reply(msg, info);
7385 static int nl80211_dump_mpp(struct sk_buff *skb,
7386 struct netlink_callback *cb)
7388 struct mpath_info pinfo;
7389 struct cfg80211_registered_device *rdev;
7390 struct wireless_dev *wdev;
7393 int path_idx = cb->args[2];
7396 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7399 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7400 __acquire(&rdev->wiphy.mtx);
7402 if (!rdev->ops->dump_mpp) {
7407 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7413 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7420 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7421 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7422 wdev->netdev, dst, mpp,
7430 cb->args[2] = path_idx;
7433 wiphy_unlock(&rdev->wiphy);
7437 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7439 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7440 struct net_device *dev = info->user_ptr[1];
7441 struct wireless_dev *wdev = dev->ieee80211_ptr;
7442 struct bss_parameters params;
7445 memset(¶ms, 0, sizeof(params));
7446 /* default to not changing parameters */
7447 params.use_cts_prot = -1;
7448 params.use_short_preamble = -1;
7449 params.use_short_slot_time = -1;
7450 params.ap_isolate = -1;
7451 params.ht_opmode = -1;
7452 params.p2p_ctwindow = -1;
7453 params.p2p_opp_ps = -1;
7455 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7456 params.use_cts_prot =
7457 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7458 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7459 params.use_short_preamble =
7460 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7461 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7462 params.use_short_slot_time =
7463 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
7464 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7465 params.basic_rates =
7466 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7467 params.basic_rates_len =
7468 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7470 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7471 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
7472 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7474 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
7476 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7477 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7479 params.p2p_ctwindow =
7480 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
7481 if (params.p2p_ctwindow != 0 &&
7482 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7486 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7489 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7491 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
7492 params.p2p_opp_ps = tmp;
7493 if (params.p2p_opp_ps &&
7494 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7498 if (!rdev->ops->change_bss)
7501 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7502 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7506 err = rdev_change_bss(rdev, dev, ¶ms);
7512 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7516 enum nl80211_user_reg_hint_type user_reg_hint_type;
7520 * You should only get this when cfg80211 hasn't yet initialized
7521 * completely when built-in to the kernel right between the time
7522 * window between nl80211_init() and regulatory_init(), if that is
7525 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
7526 return -EINPROGRESS;
7528 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7529 user_reg_hint_type =
7530 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7532 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7534 switch (user_reg_hint_type) {
7535 case NL80211_USER_REG_HINT_USER:
7536 case NL80211_USER_REG_HINT_CELL_BASE:
7537 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7540 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7541 return regulatory_hint_user(data, user_reg_hint_type);
7542 case NL80211_USER_REG_HINT_INDOOR:
7543 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7544 owner_nlportid = info->snd_portid;
7545 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7551 return regulatory_hint_indoor(is_indoor, owner_nlportid);
7557 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7559 return reg_reload_regdb();
7562 static int nl80211_get_mesh_config(struct sk_buff *skb,
7563 struct genl_info *info)
7565 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7566 struct net_device *dev = info->user_ptr[1];
7567 struct wireless_dev *wdev = dev->ieee80211_ptr;
7568 struct mesh_config cur_params;
7571 struct nlattr *pinfoattr;
7572 struct sk_buff *msg;
7574 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7577 if (!rdev->ops->get_mesh_config)
7581 /* If not connected, get default parameters */
7582 if (!wdev->mesh_id_len)
7583 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
7585 err = rdev_get_mesh_config(rdev, dev, &cur_params);
7591 /* Draw up a netlink message to send back */
7592 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7595 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7596 NL80211_CMD_GET_MESH_CONFIG);
7599 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
7601 goto nla_put_failure;
7602 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7603 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
7604 cur_params.dot11MeshRetryTimeout) ||
7605 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
7606 cur_params.dot11MeshConfirmTimeout) ||
7607 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
7608 cur_params.dot11MeshHoldingTimeout) ||
7609 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7610 cur_params.dot11MeshMaxPeerLinks) ||
7611 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
7612 cur_params.dot11MeshMaxRetries) ||
7613 nla_put_u8(msg, NL80211_MESHCONF_TTL,
7614 cur_params.dot11MeshTTL) ||
7615 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
7616 cur_params.element_ttl) ||
7617 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7618 cur_params.auto_open_plinks) ||
7619 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7620 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
7621 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7622 cur_params.dot11MeshHWMPmaxPREQretries) ||
7623 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
7624 cur_params.path_refresh_time) ||
7625 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7626 cur_params.min_discovery_timeout) ||
7627 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7628 cur_params.dot11MeshHWMPactivePathTimeout) ||
7629 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7630 cur_params.dot11MeshHWMPpreqMinInterval) ||
7631 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7632 cur_params.dot11MeshHWMPperrMinInterval) ||
7633 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7634 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
7635 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
7636 cur_params.dot11MeshHWMPRootMode) ||
7637 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7638 cur_params.dot11MeshHWMPRannInterval) ||
7639 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7640 cur_params.dot11MeshGateAnnouncementProtocol) ||
7641 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
7642 cur_params.dot11MeshForwarding) ||
7643 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
7644 cur_params.rssi_threshold) ||
7645 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
7646 cur_params.ht_opmode) ||
7647 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7648 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
7649 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7650 cur_params.dot11MeshHWMProotInterval) ||
7651 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7652 cur_params.dot11MeshHWMPconfirmationInterval) ||
7653 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
7654 cur_params.power_mode) ||
7655 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
7656 cur_params.dot11MeshAwakeWindowDuration) ||
7657 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
7658 cur_params.plink_timeout) ||
7659 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
7660 cur_params.dot11MeshConnectedToMeshGate) ||
7661 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
7662 cur_params.dot11MeshNolearn) ||
7663 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
7664 cur_params.dot11MeshConnectedToAuthServer))
7665 goto nla_put_failure;
7666 nla_nest_end(msg, pinfoattr);
7667 genlmsg_end(msg, hdr);
7668 return genlmsg_reply(msg, info);
7676 static const struct nla_policy
7677 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
7678 [NL80211_MESHCONF_RETRY_TIMEOUT] =
7679 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7680 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
7681 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7682 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
7683 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7684 [NL80211_MESHCONF_MAX_PEER_LINKS] =
7685 NLA_POLICY_RANGE(NLA_U16, 0, 255),
7686 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
7687 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7688 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7689 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
7690 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
7691 NLA_POLICY_RANGE(NLA_U32, 1, 255),
7692 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
7693 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
7694 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
7695 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
7696 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
7697 NLA_POLICY_MIN(NLA_U16, 1),
7698 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
7699 NLA_POLICY_MIN(NLA_U16, 1),
7700 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
7701 NLA_POLICY_MIN(NLA_U16, 1),
7702 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
7703 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
7704 NLA_POLICY_MIN(NLA_U16, 1),
7705 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
7706 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
7707 [NL80211_MESHCONF_RSSI_THRESHOLD] =
7708 NLA_POLICY_RANGE(NLA_S32, -255, 0),
7709 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
7710 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
7711 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
7712 NLA_POLICY_MIN(NLA_U16, 1),
7713 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
7714 NLA_POLICY_MIN(NLA_U16, 1),
7715 [NL80211_MESHCONF_POWER_MODE] =
7716 NLA_POLICY_RANGE(NLA_U32,
7717 NL80211_MESH_POWER_ACTIVE,
7718 NL80211_MESH_POWER_MAX),
7719 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
7720 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
7721 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7722 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7723 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7726 static const struct nla_policy
7727 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
7728 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
7729 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
7730 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
7731 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
7732 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
7733 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
7734 [NL80211_MESH_SETUP_IE] =
7735 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
7736 IEEE80211_MAX_DATA_LEN),
7737 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
7740 static int nl80211_parse_mesh_config(struct genl_info *info,
7741 struct mesh_config *cfg,
7744 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
7748 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
7751 cfg->param = fn(tb[attr]); \
7752 mask |= BIT((attr) - 1); \
7756 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
7758 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
7761 /* This makes sure that there aren't more than 32 mesh config
7762 * parameters (otherwise our bitfield scheme would not work.) */
7763 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
7765 /* Fill in the params struct */
7766 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
7767 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
7768 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
7769 NL80211_MESHCONF_CONFIRM_TIMEOUT,
7771 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
7772 NL80211_MESHCONF_HOLDING_TIMEOUT,
7774 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
7775 NL80211_MESHCONF_MAX_PEER_LINKS,
7777 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
7778 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
7779 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
7780 NL80211_MESHCONF_TTL, nla_get_u8);
7781 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
7782 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
7783 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
7784 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7786 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
7788 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7790 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
7791 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7793 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
7794 NL80211_MESHCONF_PATH_REFRESH_TIME,
7796 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
7797 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
7799 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
7800 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7802 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
7804 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7806 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
7807 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
7808 cfg->dot11MeshHWMPactivePathTimeout > 65535))
7810 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
7811 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7813 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
7814 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7816 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7817 dot11MeshHWMPnetDiameterTraversalTime, mask,
7818 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7820 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
7821 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
7822 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
7823 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7825 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
7826 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7828 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
7829 NL80211_MESHCONF_FORWARDING, nla_get_u8);
7830 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
7831 NL80211_MESHCONF_RSSI_THRESHOLD,
7833 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
7834 NL80211_MESHCONF_CONNECTED_TO_GATE,
7836 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
7837 NL80211_MESHCONF_CONNECTED_TO_AS,
7840 * Check HT operation mode based on
7841 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
7843 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
7844 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
7846 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
7847 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
7848 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
7851 /* NON_HT_STA bit is reserved, but some programs set it */
7852 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
7854 cfg->ht_opmode = ht_opmode;
7855 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
7857 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7858 dot11MeshHWMPactivePathToRootTimeout, mask,
7859 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7861 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
7862 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
7863 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
7865 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
7866 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7868 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
7870 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7872 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
7873 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
7874 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
7875 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
7876 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
7877 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
7878 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
7879 NL80211_MESHCONF_NOLEARN, nla_get_u8);
7885 #undef FILL_IN_MESH_PARAM_IF_SET
7888 static int nl80211_parse_mesh_setup(struct genl_info *info,
7889 struct mesh_setup *setup)
7891 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7892 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
7894 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
7896 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
7899 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
7900 setup->sync_method =
7901 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
7902 IEEE80211_SYNC_METHOD_VENDOR :
7903 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
7905 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
7906 setup->path_sel_proto =
7907 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
7908 IEEE80211_PATH_PROTOCOL_VENDOR :
7909 IEEE80211_PATH_PROTOCOL_HWMP;
7911 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
7912 setup->path_metric =
7913 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
7914 IEEE80211_PATH_METRIC_VENDOR :
7915 IEEE80211_PATH_METRIC_AIRTIME;
7917 if (tb[NL80211_MESH_SETUP_IE]) {
7918 struct nlattr *ieattr =
7919 tb[NL80211_MESH_SETUP_IE];
7920 setup->ie = nla_data(ieattr);
7921 setup->ie_len = nla_len(ieattr);
7923 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
7924 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
7926 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
7927 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
7928 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
7929 if (setup->is_secure)
7930 setup->user_mpm = true;
7932 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
7933 if (!setup->user_mpm)
7936 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
7942 static int nl80211_update_mesh_config(struct sk_buff *skb,
7943 struct genl_info *info)
7945 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7946 struct net_device *dev = info->user_ptr[1];
7947 struct wireless_dev *wdev = dev->ieee80211_ptr;
7948 struct mesh_config cfg;
7952 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7955 if (!rdev->ops->update_mesh_config)
7958 err = nl80211_parse_mesh_config(info, &cfg, &mask);
7963 if (!wdev->mesh_id_len)
7967 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
7974 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
7975 struct sk_buff *msg)
7977 struct nlattr *nl_reg_rules;
7980 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
7981 (regdom->dfs_region &&
7982 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
7983 goto nla_put_failure;
7985 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
7987 goto nla_put_failure;
7989 for (i = 0; i < regdom->n_reg_rules; i++) {
7990 struct nlattr *nl_reg_rule;
7991 const struct ieee80211_reg_rule *reg_rule;
7992 const struct ieee80211_freq_range *freq_range;
7993 const struct ieee80211_power_rule *power_rule;
7994 unsigned int max_bandwidth_khz;
7996 reg_rule = ®dom->reg_rules[i];
7997 freq_range = ®_rule->freq_range;
7998 power_rule = ®_rule->power_rule;
8000 nl_reg_rule = nla_nest_start_noflag(msg, i);
8002 goto nla_put_failure;
8004 max_bandwidth_khz = freq_range->max_bandwidth_khz;
8005 if (!max_bandwidth_khz)
8006 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
8009 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
8011 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
8012 freq_range->start_freq_khz) ||
8013 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
8014 freq_range->end_freq_khz) ||
8015 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
8016 max_bandwidth_khz) ||
8017 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
8018 power_rule->max_antenna_gain) ||
8019 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
8020 power_rule->max_eirp) ||
8021 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
8022 reg_rule->dfs_cac_ms))
8023 goto nla_put_failure;
8025 nla_nest_end(msg, nl_reg_rule);
8028 nla_nest_end(msg, nl_reg_rules);
8035 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
8037 const struct ieee80211_regdomain *regdom = NULL;
8038 struct cfg80211_registered_device *rdev;
8039 struct wiphy *wiphy = NULL;
8040 struct sk_buff *msg;
8041 int err = -EMSGSIZE;
8044 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8048 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8049 NL80211_CMD_GET_REG);
8055 if (info->attrs[NL80211_ATTR_WIPHY]) {
8058 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8060 err = PTR_ERR(rdev);
8061 goto nla_put_failure;
8064 wiphy = &rdev->wiphy;
8065 self_managed = wiphy->regulatory_flags &
8066 REGULATORY_WIPHY_SELF_MANAGED;
8070 regdom = get_wiphy_regdom(wiphy);
8072 /* a self-managed-reg device must have a private regdom */
8073 if (WARN_ON(!regdom && self_managed)) {
8075 goto nla_put_failure_rcu;
8079 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8080 goto nla_put_failure_rcu;
8085 if (!wiphy && reg_last_request_cell_base() &&
8086 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8087 NL80211_USER_REG_HINT_CELL_BASE))
8088 goto nla_put_failure_rcu;
8091 regdom = rcu_dereference(cfg80211_regdomain);
8093 if (nl80211_put_regdom(regdom, msg))
8094 goto nla_put_failure_rcu;
8098 genlmsg_end(msg, hdr);
8100 return genlmsg_reply(msg, info);
8102 nla_put_failure_rcu:
8111 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
8112 u32 seq, int flags, struct wiphy *wiphy,
8113 const struct ieee80211_regdomain *regdom)
8115 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8116 NL80211_CMD_GET_REG);
8121 genl_dump_check_consistent(cb, hdr);
8123 if (nl80211_put_regdom(regdom, msg))
8124 goto nla_put_failure;
8126 if (!wiphy && reg_last_request_cell_base() &&
8127 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
8128 NL80211_USER_REG_HINT_CELL_BASE))
8129 goto nla_put_failure;
8132 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
8133 goto nla_put_failure;
8135 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
8136 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
8137 goto nla_put_failure;
8139 genlmsg_end(msg, hdr);
8143 genlmsg_cancel(msg, hdr);
8147 static int nl80211_get_reg_dump(struct sk_buff *skb,
8148 struct netlink_callback *cb)
8150 const struct ieee80211_regdomain *regdom = NULL;
8151 struct cfg80211_registered_device *rdev;
8152 int err, reg_idx, start = cb->args[2];
8156 if (cfg80211_regdomain && start == 0) {
8157 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8159 rcu_dereference(cfg80211_regdomain));
8164 /* the global regdom is idx 0 */
8166 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
8167 regdom = get_wiphy_regdom(&rdev->wiphy);
8171 if (++reg_idx <= start)
8174 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
8175 NLM_F_MULTI, &rdev->wiphy, regdom);
8182 cb->args[2] = reg_idx;
8189 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
8190 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
8191 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
8192 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
8193 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
8194 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
8195 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
8196 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
8197 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
8200 static int parse_reg_rule(struct nlattr *tb[],
8201 struct ieee80211_reg_rule *reg_rule)
8203 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
8204 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
8206 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
8208 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
8210 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
8212 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
8214 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
8217 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
8219 freq_range->start_freq_khz =
8220 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
8221 freq_range->end_freq_khz =
8222 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
8223 freq_range->max_bandwidth_khz =
8224 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
8226 power_rule->max_eirp =
8227 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
8229 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
8230 power_rule->max_antenna_gain =
8231 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
8233 if (tb[NL80211_ATTR_DFS_CAC_TIME])
8234 reg_rule->dfs_cac_ms =
8235 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
8240 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
8242 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
8243 struct nlattr *nl_reg_rule;
8245 int rem_reg_rules, r;
8246 u32 num_rules = 0, rule_idx = 0;
8247 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
8248 struct ieee80211_regdomain *rd;
8250 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
8253 if (!info->attrs[NL80211_ATTR_REG_RULES])
8256 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
8258 if (info->attrs[NL80211_ATTR_DFS_REGION])
8259 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
8261 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8264 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
8269 if (!reg_is_valid_request(alpha2)) {
8274 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
8280 rd->n_reg_rules = num_rules;
8281 rd->alpha2[0] = alpha2[0];
8282 rd->alpha2[1] = alpha2[1];
8285 * Disable DFS master mode if the DFS region was
8286 * not supported or known on this kernel.
8288 if (reg_supported_dfs_region(dfs_region))
8289 rd->dfs_region = dfs_region;
8291 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8293 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
8294 nl_reg_rule, reg_rule_policy,
8298 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
8304 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
8310 r = set_regdom(rd, REGD_SOURCE_CRDA);
8311 /* set_regdom takes ownership of rd */
8319 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
8321 static int validate_scan_freqs(struct nlattr *freqs)
8323 struct nlattr *attr1, *attr2;
8324 int n_channels = 0, tmp1, tmp2;
8326 nla_for_each_nested(attr1, freqs, tmp1)
8327 if (nla_len(attr1) != sizeof(u32))
8330 nla_for_each_nested(attr1, freqs, tmp1) {
8333 * Some hardware has a limited channel list for
8334 * scanning, and it is pretty much nonsensical
8335 * to scan for a channel twice, so disallow that
8336 * and don't require drivers to check that the
8337 * channel list they get isn't longer than what
8338 * they can scan, as long as they can scan all
8339 * the channels they registered at once.
8341 nla_for_each_nested(attr2, freqs, tmp2)
8342 if (attr1 != attr2 &&
8343 nla_get_u32(attr1) == nla_get_u32(attr2))
8350 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
8352 return b < NUM_NL80211_BANDS && wiphy->bands[b];
8355 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8356 struct cfg80211_bss_selection *bss_select)
8358 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8359 struct nlattr *nest;
8364 /* only process one nested attribute */
8365 nest = nla_data(nla);
8366 if (!nla_ok(nest, nla_len(nest)))
8369 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8370 nest, nl80211_bss_select_policy,
8375 /* only one attribute may be given */
8376 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8384 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8386 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8387 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8389 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8390 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8391 bss_select->param.band_pref =
8392 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8393 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8397 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8398 struct nl80211_bss_select_rssi_adjust *adj_param;
8400 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8401 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8402 bss_select->param.adjust.band = adj_param->band;
8403 bss_select->param.adjust.delta = adj_param->delta;
8404 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8408 /* user-space did not provide behaviour attribute */
8409 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8412 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8418 int nl80211_parse_random_mac(struct nlattr **attrs,
8419 u8 *mac_addr, u8 *mac_addr_mask)
8423 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
8424 eth_zero_addr(mac_addr);
8425 eth_zero_addr(mac_addr_mask);
8427 mac_addr_mask[0] = 0x3;
8432 /* need both or none */
8433 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8436 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8437 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8439 /* don't allow or configure an mcast address */
8440 if (!is_multicast_ether_addr(mac_addr_mask) ||
8441 is_multicast_ether_addr(mac_addr))
8445 * allow users to pass a MAC address that has bits set outside
8446 * of the mask, but don't bother drivers with having to deal
8449 for (i = 0; i < ETH_ALEN; i++)
8450 mac_addr[i] &= mac_addr_mask[i];
8455 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
8457 ASSERT_WDEV_LOCK(wdev);
8459 if (!cfg80211_beaconing_iface_active(wdev))
8462 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
8465 return regulatory_pre_cac_allowed(wdev->wiphy);
8468 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
8469 enum nl80211_ext_feature_index feat)
8471 if (!(flags & flag))
8473 if (wiphy_ext_feature_isset(wiphy, feat))
8479 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
8480 void *request, struct nlattr **attrs,
8483 u8 *mac_addr, *mac_addr_mask;
8485 enum nl80211_feature_flags randomness_flag;
8487 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
8490 if (is_sched_scan) {
8491 struct cfg80211_sched_scan_request *req = request;
8493 randomness_flag = wdev ?
8494 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8495 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8496 flags = &req->flags;
8497 mac_addr = req->mac_addr;
8498 mac_addr_mask = req->mac_addr_mask;
8500 struct cfg80211_scan_request *req = request;
8502 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8503 flags = &req->flags;
8504 mac_addr = req->mac_addr;
8505 mac_addr_mask = req->mac_addr_mask;
8508 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8510 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8511 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
8512 !nl80211_check_scan_feat(wiphy, *flags,
8513 NL80211_SCAN_FLAG_LOW_SPAN,
8514 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8515 !nl80211_check_scan_feat(wiphy, *flags,
8516 NL80211_SCAN_FLAG_LOW_POWER,
8517 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8518 !nl80211_check_scan_feat(wiphy, *flags,
8519 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8520 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8521 !nl80211_check_scan_feat(wiphy, *flags,
8522 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8523 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8524 !nl80211_check_scan_feat(wiphy, *flags,
8525 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8526 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8527 !nl80211_check_scan_feat(wiphy, *flags,
8528 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8529 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8530 !nl80211_check_scan_feat(wiphy, *flags,
8531 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
8532 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8533 !nl80211_check_scan_feat(wiphy, *flags,
8534 NL80211_SCAN_FLAG_RANDOM_SN,
8535 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8536 !nl80211_check_scan_feat(wiphy, *flags,
8537 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8538 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
8541 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
8544 if (!(wiphy->features & randomness_flag) ||
8545 (wdev && wdev->current_bss))
8548 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
8556 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
8558 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8559 struct wireless_dev *wdev = info->user_ptr[1];
8560 struct cfg80211_scan_request *request;
8561 struct nlattr *scan_freqs = NULL;
8562 bool scan_freqs_khz = false;
8563 struct nlattr *attr;
8564 struct wiphy *wiphy;
8565 int err, tmp, n_ssids = 0, n_channels, i;
8568 wiphy = &rdev->wiphy;
8570 if (wdev->iftype == NL80211_IFTYPE_NAN)
8573 if (!rdev->ops->scan)
8576 if (rdev->scan_req || rdev->scan_msg)
8579 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
8580 if (!wiphy_ext_feature_isset(wiphy,
8581 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
8583 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
8584 scan_freqs_khz = true;
8585 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
8586 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
8589 n_channels = validate_scan_freqs(scan_freqs);
8593 n_channels = ieee80211_get_num_supported_channels(wiphy);
8596 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
8597 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
8600 if (n_ssids > wiphy->max_scan_ssids)
8603 if (info->attrs[NL80211_ATTR_IE])
8604 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8608 if (ie_len > wiphy->max_scan_ie_len)
8611 request = kzalloc(sizeof(*request)
8612 + sizeof(*request->ssids) * n_ssids
8613 + sizeof(*request->channels) * n_channels
8614 + ie_len, GFP_KERNEL);
8619 request->ssids = (void *)&request->channels[n_channels];
8620 request->n_ssids = n_ssids;
8623 request->ie = (void *)(request->ssids + n_ssids);
8625 request->ie = (void *)(request->channels + n_channels);
8630 /* user specified, bail out if channel not found */
8631 nla_for_each_nested(attr, scan_freqs, tmp) {
8632 struct ieee80211_channel *chan;
8633 int freq = nla_get_u32(attr);
8635 if (!scan_freqs_khz)
8636 freq = MHZ_TO_KHZ(freq);
8638 chan = ieee80211_get_channel_khz(wiphy, freq);
8644 /* ignore disabled channels */
8645 if (chan->flags & IEEE80211_CHAN_DISABLED)
8648 request->channels[i] = chan;
8652 enum nl80211_band band;
8655 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8658 if (!wiphy->bands[band])
8660 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8661 struct ieee80211_channel *chan;
8663 chan = &wiphy->bands[band]->channels[j];
8665 if (chan->flags & IEEE80211_CHAN_DISABLED)
8668 request->channels[i] = chan;
8679 request->n_channels = i;
8682 if (!cfg80211_off_channel_oper_allowed(wdev)) {
8683 struct ieee80211_channel *chan;
8685 if (request->n_channels != 1) {
8691 chan = request->channels[0];
8692 if (chan->center_freq != wdev->chandef.chan->center_freq) {
8702 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
8703 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8707 request->ssids[i].ssid_len = nla_len(attr);
8708 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
8713 if (info->attrs[NL80211_ATTR_IE]) {
8714 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8715 memcpy((void *)request->ie,
8716 nla_data(info->attrs[NL80211_ATTR_IE]),
8720 for (i = 0; i < NUM_NL80211_BANDS; i++)
8721 if (wiphy->bands[i])
8723 (1 << wiphy->bands[i]->n_bitrates) - 1;
8725 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
8726 nla_for_each_nested(attr,
8727 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
8729 enum nl80211_band band = nla_type(attr);
8731 if (band < 0 || band >= NUM_NL80211_BANDS) {
8736 if (!wiphy->bands[band])
8739 err = ieee80211_get_ratemask(wiphy->bands[band],
8742 &request->rates[band]);
8748 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
8750 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
8751 request->duration_mandatory =
8752 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
8755 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
8761 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
8763 /* Initial implementation used NL80211_ATTR_MAC to set the specific
8764 * BSSID to scan for. This was problematic because that same attribute
8765 * was already used for another purpose (local random MAC address). The
8766 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
8767 * compatibility with older userspace components, also use the
8768 * NL80211_ATTR_MAC value here if it can be determined to be used for
8769 * the specific BSSID use case instead of the random MAC address
8770 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
8772 if (info->attrs[NL80211_ATTR_BSSID])
8773 memcpy(request->bssid,
8774 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
8775 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
8776 info->attrs[NL80211_ATTR_MAC])
8777 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
8780 eth_broadcast_addr(request->bssid);
8782 request->wdev = wdev;
8783 request->wiphy = &rdev->wiphy;
8784 request->scan_start = jiffies;
8786 rdev->scan_req = request;
8787 err = cfg80211_scan(rdev);
8792 nl80211_send_scan_start(rdev, wdev);
8793 dev_hold(wdev->netdev);
8798 rdev->scan_req = NULL;
8804 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
8806 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8807 struct wireless_dev *wdev = info->user_ptr[1];
8809 if (!rdev->ops->abort_scan)
8815 if (!rdev->scan_req)
8818 rdev_abort_scan(rdev, wdev);
8823 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
8824 struct cfg80211_sched_scan_request *request,
8825 struct nlattr **attrs)
8827 int tmp, err, i = 0;
8828 struct nlattr *attr;
8830 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8834 * If scan plans are not specified,
8835 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
8836 * case one scan plan will be set with the specified scan
8837 * interval and infinite number of iterations.
8839 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
8843 request->scan_plans[0].interval =
8844 DIV_ROUND_UP(interval, MSEC_PER_SEC);
8845 if (!request->scan_plans[0].interval)
8848 if (request->scan_plans[0].interval >
8849 wiphy->max_sched_scan_plan_interval)
8850 request->scan_plans[0].interval =
8851 wiphy->max_sched_scan_plan_interval;
8856 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
8857 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
8859 if (WARN_ON(i >= n_plans))
8862 err = nla_parse_nested_deprecated(plan,
8863 NL80211_SCHED_SCAN_PLAN_MAX,
8864 attr, nl80211_plan_policy,
8869 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
8872 request->scan_plans[i].interval =
8873 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
8874 if (!request->scan_plans[i].interval ||
8875 request->scan_plans[i].interval >
8876 wiphy->max_sched_scan_plan_interval)
8879 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
8880 request->scan_plans[i].iterations =
8881 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
8882 if (!request->scan_plans[i].iterations ||
8883 (request->scan_plans[i].iterations >
8884 wiphy->max_sched_scan_plan_iterations))
8886 } else if (i < n_plans - 1) {
8888 * All scan plans but the last one must specify
8889 * a finite number of iterations
8898 * The last scan plan must not specify the number of
8899 * iterations, it is supposed to run infinitely
8901 if (request->scan_plans[n_plans - 1].iterations)
8908 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
8909 struct cfg80211_match_set *match_sets,
8910 struct nlattr *tb_band_rssi,
8913 struct nlattr *attr;
8914 int i, tmp, ret = 0;
8916 if (!wiphy_ext_feature_isset(wiphy,
8917 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
8921 for (i = 0; i < NUM_NL80211_BANDS; i++)
8922 match_sets->per_band_rssi_thold[i] =
8923 NL80211_SCAN_RSSI_THOLD_OFF;
8927 for (i = 0; i < NUM_NL80211_BANDS; i++)
8928 match_sets->per_band_rssi_thold[i] = rssi_thold;
8930 nla_for_each_nested(attr, tb_band_rssi, tmp) {
8931 enum nl80211_band band = nla_type(attr);
8933 if (band < 0 || band >= NUM_NL80211_BANDS)
8936 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
8942 static struct cfg80211_sched_scan_request *
8943 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
8944 struct nlattr **attrs, int max_match_sets)
8946 struct cfg80211_sched_scan_request *request;
8947 struct nlattr *attr;
8948 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
8949 enum nl80211_band band;
8951 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
8952 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
8954 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8955 n_channels = validate_scan_freqs(
8956 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
8958 return ERR_PTR(-EINVAL);
8960 n_channels = ieee80211_get_num_supported_channels(wiphy);
8963 if (attrs[NL80211_ATTR_SCAN_SSIDS])
8964 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8968 if (n_ssids > wiphy->max_sched_scan_ssids)
8969 return ERR_PTR(-EINVAL);
8972 * First, count the number of 'real' matchsets. Due to an issue with
8973 * the old implementation, matchsets containing only the RSSI attribute
8974 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
8975 * RSSI for all matchsets, rather than their own matchset for reporting
8976 * all APs with a strong RSSI. This is needed to be compatible with
8977 * older userspace that treated a matchset with only the RSSI as the
8978 * global RSSI for all other matchsets - if there are other matchsets.
8980 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8981 nla_for_each_nested(attr,
8982 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8984 struct nlattr *rssi;
8986 err = nla_parse_nested_deprecated(tb,
8987 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8989 nl80211_match_policy,
8992 return ERR_PTR(err);
8994 /* SSID and BSSID are mutually exclusive */
8995 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
8996 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
8997 return ERR_PTR(-EINVAL);
8999 /* add other standalone attributes here */
9000 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
9001 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
9005 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9007 default_match_rssi = nla_get_s32(rssi);
9011 /* However, if there's no other matchset, add the RSSI one */
9012 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
9015 if (n_match_sets > max_match_sets)
9016 return ERR_PTR(-EINVAL);
9018 if (attrs[NL80211_ATTR_IE])
9019 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
9023 if (ie_len > wiphy->max_sched_scan_ie_len)
9024 return ERR_PTR(-EINVAL);
9026 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
9028 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
9029 * each scan plan already specifies its own interval
9031 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9032 return ERR_PTR(-EINVAL);
9034 nla_for_each_nested(attr,
9035 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
9039 * The scan interval attribute is kept for backward
9040 * compatibility. If no scan plans are specified and sched scan
9041 * interval is specified, one scan plan will be set with this
9042 * scan interval and infinite number of iterations.
9044 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
9045 return ERR_PTR(-EINVAL);
9050 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
9051 return ERR_PTR(-EINVAL);
9053 if (!wiphy_ext_feature_isset(
9054 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
9055 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
9056 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
9057 return ERR_PTR(-EINVAL);
9059 request = kzalloc(sizeof(*request)
9060 + sizeof(*request->ssids) * n_ssids
9061 + sizeof(*request->match_sets) * n_match_sets
9062 + sizeof(*request->scan_plans) * n_plans
9063 + sizeof(*request->channels) * n_channels
9064 + ie_len, GFP_KERNEL);
9066 return ERR_PTR(-ENOMEM);
9069 request->ssids = (void *)&request->channels[n_channels];
9070 request->n_ssids = n_ssids;
9073 request->ie = (void *)(request->ssids + n_ssids);
9075 request->ie = (void *)(request->channels + n_channels);
9080 request->match_sets = (void *)(request->ie + ie_len);
9082 request->match_sets =
9083 (void *)(request->ssids + n_ssids);
9085 request->match_sets =
9086 (void *)(request->channels + n_channels);
9088 request->n_match_sets = n_match_sets;
9091 request->scan_plans = (void *)(request->match_sets +
9093 else if (request->ie)
9094 request->scan_plans = (void *)(request->ie + ie_len);
9096 request->scan_plans = (void *)(request->ssids + n_ssids);
9098 request->scan_plans = (void *)(request->channels + n_channels);
9100 request->n_scan_plans = n_plans;
9103 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
9104 /* user specified, bail out if channel not found */
9105 nla_for_each_nested(attr,
9106 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
9108 struct ieee80211_channel *chan;
9110 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
9117 /* ignore disabled channels */
9118 if (chan->flags & IEEE80211_CHAN_DISABLED)
9121 request->channels[i] = chan;
9126 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9129 if (!wiphy->bands[band])
9131 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
9132 struct ieee80211_channel *chan;
9134 chan = &wiphy->bands[band]->channels[j];
9136 if (chan->flags & IEEE80211_CHAN_DISABLED)
9139 request->channels[i] = chan;
9150 request->n_channels = i;
9154 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
9156 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
9160 request->ssids[i].ssid_len = nla_len(attr);
9161 memcpy(request->ssids[i].ssid, nla_data(attr),
9168 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
9169 nla_for_each_nested(attr,
9170 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
9172 struct nlattr *ssid, *bssid, *rssi;
9174 err = nla_parse_nested_deprecated(tb,
9175 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
9177 nl80211_match_policy,
9181 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
9182 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
9184 if (!ssid && !bssid) {
9189 if (WARN_ON(i >= n_match_sets)) {
9190 /* this indicates a programming error,
9191 * the loop above should have verified
9199 memcpy(request->match_sets[i].ssid.ssid,
9200 nla_data(ssid), nla_len(ssid));
9201 request->match_sets[i].ssid.ssid_len =
9205 memcpy(request->match_sets[i].bssid,
9206 nla_data(bssid), ETH_ALEN);
9208 /* special attribute - old implementation w/a */
9209 request->match_sets[i].rssi_thold = default_match_rssi;
9210 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
9212 request->match_sets[i].rssi_thold =
9215 /* Parse per band RSSI attribute */
9216 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
9217 &request->match_sets[i],
9218 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
9219 request->match_sets[i].rssi_thold);
9226 /* there was no other matchset, so the RSSI one is alone */
9227 if (i == 0 && n_match_sets)
9228 request->match_sets[0].rssi_thold = default_match_rssi;
9230 request->min_rssi_thold = INT_MAX;
9231 for (i = 0; i < n_match_sets; i++)
9232 request->min_rssi_thold =
9233 min(request->match_sets[i].rssi_thold,
9234 request->min_rssi_thold);
9236 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
9240 request->ie_len = ie_len;
9241 memcpy((void *)request->ie,
9242 nla_data(attrs[NL80211_ATTR_IE]),
9246 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
9250 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
9252 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
9254 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
9255 request->relative_rssi = nla_get_s8(
9256 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
9257 request->relative_rssi_set = true;
9260 if (request->relative_rssi_set &&
9261 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
9262 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
9264 rssi_adjust = nla_data(
9265 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
9266 request->rssi_adjust.band = rssi_adjust->band;
9267 request->rssi_adjust.delta = rssi_adjust->delta;
9268 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
9274 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
9278 request->scan_start = jiffies;
9284 return ERR_PTR(err);
9287 static int nl80211_start_sched_scan(struct sk_buff *skb,
9288 struct genl_info *info)
9290 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9291 struct net_device *dev = info->user_ptr[1];
9292 struct wireless_dev *wdev = dev->ieee80211_ptr;
9293 struct cfg80211_sched_scan_request *sched_scan_req;
9297 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
9300 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
9301 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
9305 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
9307 rdev->wiphy.max_match_sets);
9309 err = PTR_ERR_OR_ZERO(sched_scan_req);
9313 /* leave request id zero for legacy request
9314 * or if driver does not support multi-scheduled scan
9316 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
9317 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
9319 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
9323 sched_scan_req->dev = dev;
9324 sched_scan_req->wiphy = &rdev->wiphy;
9326 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9327 sched_scan_req->owner_nlportid = info->snd_portid;
9329 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
9331 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
9335 kfree(sched_scan_req);
9340 static int nl80211_stop_sched_scan(struct sk_buff *skb,
9341 struct genl_info *info)
9343 struct cfg80211_sched_scan_request *req;
9344 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9347 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
9350 if (info->attrs[NL80211_ATTR_COOKIE]) {
9351 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9352 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9355 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9356 struct cfg80211_sched_scan_request,
9358 if (!req || req->reqid ||
9359 (req->owner_nlportid &&
9360 req->owner_nlportid != info->snd_portid))
9363 return cfg80211_stop_sched_scan_req(rdev, req, false);
9366 static int nl80211_start_radar_detection(struct sk_buff *skb,
9367 struct genl_info *info)
9369 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9370 struct net_device *dev = info->user_ptr[1];
9371 struct wireless_dev *wdev = dev->ieee80211_ptr;
9372 struct wiphy *wiphy = wdev->wiphy;
9373 struct cfg80211_chan_def chandef;
9374 enum nl80211_dfs_regions dfs_region;
9375 unsigned int cac_time_ms;
9378 flush_delayed_work(&rdev->dfs_update_channels_wk);
9382 dfs_region = reg_get_dfs_region(wiphy);
9383 if (dfs_region == NL80211_DFS_UNSET)
9386 err = nl80211_parse_chandef(rdev, info, &chandef);
9390 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9399 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) {
9404 if (nla_get_flag(info->attrs[NL80211_ATTR_RADAR_BACKGROUND])) {
9405 err = cfg80211_start_background_radar_detection(rdev, wdev,
9410 if (netif_carrier_ok(dev)) {
9415 if (wdev->cac_started) {
9420 /* CAC start is offloaded to HW and can't be started manually */
9421 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) {
9426 if (!rdev->ops->start_radar_detection) {
9431 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
9432 if (WARN_ON(!cac_time_ms))
9433 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
9435 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
9437 wdev->chandef = chandef;
9438 wdev->cac_started = true;
9439 wdev->cac_start_time = jiffies;
9440 wdev->cac_time_ms = cac_time_ms;
9443 wiphy_unlock(wiphy);
9448 static int nl80211_notify_radar_detection(struct sk_buff *skb,
9449 struct genl_info *info)
9451 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9452 struct net_device *dev = info->user_ptr[1];
9453 struct wireless_dev *wdev = dev->ieee80211_ptr;
9454 struct wiphy *wiphy = wdev->wiphy;
9455 struct cfg80211_chan_def chandef;
9456 enum nl80211_dfs_regions dfs_region;
9459 dfs_region = reg_get_dfs_region(wiphy);
9460 if (dfs_region == NL80211_DFS_UNSET) {
9461 GENL_SET_ERR_MSG(info,
9462 "DFS Region is not set. Unexpected Radar indication");
9466 err = nl80211_parse_chandef(rdev, info, &chandef);
9468 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
9472 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9474 GENL_SET_ERR_MSG(info, "chandef is invalid");
9479 GENL_SET_ERR_MSG(info,
9480 "Unexpected Radar indication for chandef/iftype");
9484 /* Do not process this notification if radar is already detected
9485 * by kernel on this channel, and return success.
9487 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
9490 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
9492 cfg80211_sched_dfs_chan_update(rdev);
9494 rdev->radar_chandef = chandef;
9496 /* Propagate this notification to other radios as well */
9497 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
9502 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
9504 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9505 struct net_device *dev = info->user_ptr[1];
9506 struct wireless_dev *wdev = dev->ieee80211_ptr;
9507 struct cfg80211_csa_settings params;
9508 struct nlattr **csa_attrs = NULL;
9510 bool need_new_beacon = false;
9511 bool need_handle_dfs_flag = true;
9515 if (!rdev->ops->channel_switch ||
9516 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9519 switch (dev->ieee80211_ptr->iftype) {
9520 case NL80211_IFTYPE_AP:
9521 case NL80211_IFTYPE_P2P_GO:
9522 need_new_beacon = true;
9523 /* For all modes except AP the handle_dfs flag needs to be
9524 * supplied to tell the kernel that userspace will handle radar
9525 * events when they happen. Otherwise a switch to a channel
9526 * requiring DFS will be rejected.
9528 need_handle_dfs_flag = false;
9530 /* useless if AP is not running */
9531 if (!wdev->beacon_interval)
9534 case NL80211_IFTYPE_ADHOC:
9535 if (!wdev->ssid_len)
9538 case NL80211_IFTYPE_MESH_POINT:
9539 if (!wdev->mesh_id_len)
9546 memset(¶ms, 0, sizeof(params));
9547 params.beacon_csa.ftm_responder = -1;
9549 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9550 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
9553 /* only important for AP, IBSS and mesh create IEs internally */
9554 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
9557 /* Even though the attribute is u32, the specification says
9558 * u8, so let's make sure we don't overflow.
9560 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
9564 params.count = cs_count;
9566 if (!need_new_beacon)
9569 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
9573 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
9580 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
9581 info->attrs[NL80211_ATTR_CSA_IES],
9582 nl80211_policy, info->extack);
9586 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
9590 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
9595 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9596 if (!len || (len % sizeof(u16))) {
9601 params.n_counter_offsets_beacon = len / sizeof(u16);
9602 if (rdev->wiphy.max_num_csa_counters &&
9603 (params.n_counter_offsets_beacon >
9604 rdev->wiphy.max_num_csa_counters)) {
9609 params.counter_offsets_beacon =
9610 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9612 /* sanity checks - counters should fit and be the same */
9613 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
9614 u16 offset = params.counter_offsets_beacon[i];
9616 if (offset >= params.beacon_csa.tail_len) {
9621 if (params.beacon_csa.tail[offset] != params.count) {
9627 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
9628 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9629 if (!len || (len % sizeof(u16))) {
9634 params.n_counter_offsets_presp = len / sizeof(u16);
9635 if (rdev->wiphy.max_num_csa_counters &&
9636 (params.n_counter_offsets_presp >
9637 rdev->wiphy.max_num_csa_counters)) {
9642 params.counter_offsets_presp =
9643 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9645 /* sanity checks - counters should fit and be the same */
9646 for (i = 0; i < params.n_counter_offsets_presp; i++) {
9647 u16 offset = params.counter_offsets_presp[i];
9649 if (offset >= params.beacon_csa.probe_resp_len) {
9654 if (params.beacon_csa.probe_resp[offset] !=
9663 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
9667 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
9673 err = cfg80211_chandef_dfs_required(wdev->wiphy,
9680 params.radar_required = true;
9681 if (need_handle_dfs_flag &&
9682 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
9688 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
9689 params.block_tx = true;
9692 err = rdev_channel_switch(rdev, dev, ¶ms);
9696 kfree(params.beacon_after.mbssid_ies);
9697 kfree(params.beacon_csa.mbssid_ies);
9702 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
9704 struct cfg80211_registered_device *rdev,
9705 struct wireless_dev *wdev,
9706 struct cfg80211_internal_bss *intbss)
9708 struct cfg80211_bss *res = &intbss->pub;
9709 const struct cfg80211_bss_ies *ies;
9713 ASSERT_WDEV_LOCK(wdev);
9715 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
9716 NL80211_CMD_NEW_SCAN_RESULTS);
9720 genl_dump_check_consistent(cb, hdr);
9722 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
9723 goto nla_put_failure;
9725 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
9726 goto nla_put_failure;
9727 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
9729 goto nla_put_failure;
9731 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
9733 goto nla_put_failure;
9734 if ((!is_zero_ether_addr(res->bssid) &&
9735 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9736 goto nla_put_failure;
9739 /* indicate whether we have probe response data or not */
9740 if (rcu_access_pointer(res->proberesp_ies) &&
9741 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
9742 goto fail_unlock_rcu;
9744 /* this pointer prefers to be pointed to probe response data
9745 * but is always valid
9747 ies = rcu_dereference(res->ies);
9749 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
9751 goto fail_unlock_rcu;
9752 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
9753 ies->len, ies->data))
9754 goto fail_unlock_rcu;
9757 /* and this pointer is always (unless driver didn't know) beacon data */
9758 ies = rcu_dereference(res->beacon_ies);
9759 if (ies && ies->from_beacon) {
9760 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
9762 goto fail_unlock_rcu;
9763 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
9764 ies->len, ies->data))
9765 goto fail_unlock_rcu;
9769 if (res->beacon_interval &&
9770 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
9771 goto nla_put_failure;
9772 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
9773 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
9774 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
9775 res->channel->freq_offset) ||
9776 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9777 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
9778 jiffies_to_msecs(jiffies - intbss->ts)))
9779 goto nla_put_failure;
9781 if (intbss->parent_tsf &&
9782 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
9783 intbss->parent_tsf, NL80211_BSS_PAD) ||
9784 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
9785 intbss->parent_bssid)))
9786 goto nla_put_failure;
9788 if (intbss->ts_boottime &&
9789 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
9790 intbss->ts_boottime, NL80211_BSS_PAD))
9791 goto nla_put_failure;
9793 if (!nl80211_put_signal(msg, intbss->pub.chains,
9794 intbss->pub.chain_signal,
9795 NL80211_BSS_CHAIN_SIGNAL))
9796 goto nla_put_failure;
9798 switch (rdev->wiphy.signal_type) {
9799 case CFG80211_SIGNAL_TYPE_MBM:
9800 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
9801 goto nla_put_failure;
9803 case CFG80211_SIGNAL_TYPE_UNSPEC:
9804 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
9805 goto nla_put_failure;
9811 switch (wdev->iftype) {
9812 case NL80211_IFTYPE_P2P_CLIENT:
9813 case NL80211_IFTYPE_STATION:
9814 if (intbss == wdev->current_bss &&
9815 nla_put_u32(msg, NL80211_BSS_STATUS,
9816 NL80211_BSS_STATUS_ASSOCIATED))
9817 goto nla_put_failure;
9819 case NL80211_IFTYPE_ADHOC:
9820 if (intbss == wdev->current_bss &&
9821 nla_put_u32(msg, NL80211_BSS_STATUS,
9822 NL80211_BSS_STATUS_IBSS_JOINED))
9823 goto nla_put_failure;
9829 nla_nest_end(msg, bss);
9831 genlmsg_end(msg, hdr);
9837 genlmsg_cancel(msg, hdr);
9841 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
9843 struct cfg80211_registered_device *rdev;
9844 struct cfg80211_internal_bss *scan;
9845 struct wireless_dev *wdev;
9846 int start = cb->args[2], idx = 0;
9849 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
9852 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9853 __acquire(&rdev->wiphy.mtx);
9856 spin_lock_bh(&rdev->bss_lock);
9859 * dump_scan will be called multiple times to break up the scan results
9860 * into multiple messages. It is unlikely that any more bss-es will be
9861 * expired after the first call, so only call only call this on the
9862 * first dump_scan invocation.
9865 cfg80211_bss_expire(rdev);
9867 cb->seq = rdev->bss_generation;
9869 list_for_each_entry(scan, &rdev->bss_list, list) {
9872 if (nl80211_send_bss(skb, cb,
9873 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9874 rdev, wdev, scan) < 0) {
9880 spin_unlock_bh(&rdev->bss_lock);
9884 wiphy_unlock(&rdev->wiphy);
9889 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
9890 int flags, struct net_device *dev,
9891 bool allow_radio_stats,
9892 struct survey_info *survey)
9895 struct nlattr *infoattr;
9897 /* skip radio stats if userspace didn't request them */
9898 if (!survey->channel && !allow_radio_stats)
9901 hdr = nl80211hdr_put(msg, portid, seq, flags,
9902 NL80211_CMD_NEW_SURVEY_RESULTS);
9906 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9907 goto nla_put_failure;
9909 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
9911 goto nla_put_failure;
9913 if (survey->channel &&
9914 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9915 survey->channel->center_freq))
9916 goto nla_put_failure;
9918 if (survey->channel && survey->channel->freq_offset &&
9919 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
9920 survey->channel->freq_offset))
9921 goto nla_put_failure;
9923 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
9924 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
9925 goto nla_put_failure;
9926 if ((survey->filled & SURVEY_INFO_IN_USE) &&
9927 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
9928 goto nla_put_failure;
9929 if ((survey->filled & SURVEY_INFO_TIME) &&
9930 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
9931 survey->time, NL80211_SURVEY_INFO_PAD))
9932 goto nla_put_failure;
9933 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
9934 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
9935 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9936 goto nla_put_failure;
9937 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
9938 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
9939 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9940 goto nla_put_failure;
9941 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
9942 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
9943 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9944 goto nla_put_failure;
9945 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
9946 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
9947 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9948 goto nla_put_failure;
9949 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
9950 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
9951 survey->time_scan, NL80211_SURVEY_INFO_PAD))
9952 goto nla_put_failure;
9953 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
9954 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
9955 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
9956 goto nla_put_failure;
9958 nla_nest_end(msg, infoattr);
9960 genlmsg_end(msg, hdr);
9964 genlmsg_cancel(msg, hdr);
9968 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
9970 struct nlattr **attrbuf;
9971 struct survey_info survey;
9972 struct cfg80211_registered_device *rdev;
9973 struct wireless_dev *wdev;
9974 int survey_idx = cb->args[2];
9978 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
9982 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
9987 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9988 __acquire(&rdev->wiphy.mtx);
9990 /* prepare_wdev_dump parsed the attributes */
9991 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
9993 if (!wdev->netdev) {
9998 if (!rdev->ops->dump_survey) {
10004 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
10005 if (res == -ENOENT)
10010 /* don't send disabled channels, but do send non-channel data */
10011 if (survey.channel &&
10012 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
10017 if (nl80211_send_survey(skb,
10018 NETLINK_CB(cb->skb).portid,
10019 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10020 wdev->netdev, radio_stats, &survey) < 0)
10026 cb->args[2] = survey_idx;
10030 wiphy_unlock(&rdev->wiphy);
10034 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
10036 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
10037 NL80211_WPA_VERSION_2 |
10038 NL80211_WPA_VERSION_3));
10041 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
10043 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10044 struct net_device *dev = info->user_ptr[1];
10045 struct ieee80211_channel *chan;
10046 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
10047 int err, ssid_len, ie_len = 0, auth_data_len = 0;
10048 enum nl80211_auth_type auth_type;
10049 struct key_parse key;
10050 bool local_state_change;
10053 if (!info->attrs[NL80211_ATTR_MAC])
10056 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
10059 if (!info->attrs[NL80211_ATTR_SSID])
10062 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10065 err = nl80211_parse_key(info, &key);
10069 if (key.idx >= 0) {
10070 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
10072 if (!key.p.key || !key.p.key_len)
10074 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
10075 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
10076 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
10077 key.p.key_len != WLAN_KEY_LEN_WEP104))
10086 if (key.idx >= 0) {
10090 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
10091 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
10100 if (!rdev->ops->auth)
10101 return -EOPNOTSUPP;
10103 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10104 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10105 return -EOPNOTSUPP;
10107 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10108 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10109 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10111 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10113 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10117 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10118 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10120 if (info->attrs[NL80211_ATTR_IE]) {
10121 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10122 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10125 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10126 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
10129 if ((auth_type == NL80211_AUTHTYPE_SAE ||
10130 auth_type == NL80211_AUTHTYPE_FILS_SK ||
10131 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
10132 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
10133 !info->attrs[NL80211_ATTR_AUTH_DATA])
10136 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
10137 if (auth_type != NL80211_AUTHTYPE_SAE &&
10138 auth_type != NL80211_AUTHTYPE_FILS_SK &&
10139 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
10140 auth_type != NL80211_AUTHTYPE_FILS_PK)
10142 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
10143 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
10146 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10149 * Since we no longer track auth state, ignore
10150 * requests to only change local state.
10152 if (local_state_change)
10155 wdev_lock(dev->ieee80211_ptr);
10156 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
10157 ssid, ssid_len, ie, ie_len,
10158 key.p.key, key.p.key_len, key.idx,
10159 auth_data, auth_data_len);
10160 wdev_unlock(dev->ieee80211_ptr);
10164 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
10165 struct genl_info *info)
10167 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10168 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
10172 if (!rdev->ops->tx_control_port ||
10173 !wiphy_ext_feature_isset(&rdev->wiphy,
10174 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
10175 return -EOPNOTSUPP;
10180 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
10181 struct genl_info *info,
10182 struct cfg80211_crypto_settings *settings,
10185 memset(settings, 0, sizeof(*settings));
10187 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
10189 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
10192 proto = nla_get_u16(
10193 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
10194 settings->control_port_ethertype = cpu_to_be16(proto);
10195 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
10196 proto != ETH_P_PAE)
10198 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
10199 settings->control_port_no_encrypt = true;
10201 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
10203 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10204 int r = validate_pae_over_nl80211(rdev, info);
10209 settings->control_port_over_nl80211 = true;
10211 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
10212 settings->control_port_no_preauth = true;
10215 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
10219 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10220 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
10221 settings->n_ciphers_pairwise = len / sizeof(u32);
10223 if (len % sizeof(u32))
10226 if (settings->n_ciphers_pairwise > cipher_limit)
10229 memcpy(settings->ciphers_pairwise, data, len);
10231 for (i = 0; i < settings->n_ciphers_pairwise; i++)
10232 if (!cfg80211_supported_cipher_suite(
10234 settings->ciphers_pairwise[i]))
10238 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
10239 settings->cipher_group =
10240 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
10241 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
10242 settings->cipher_group))
10246 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
10247 settings->wpa_versions =
10248 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
10249 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
10253 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
10257 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
10258 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
10259 settings->n_akm_suites = len / sizeof(u32);
10261 if (len % sizeof(u32))
10264 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
10267 memcpy(settings->akm_suites, data, len);
10270 if (info->attrs[NL80211_ATTR_PMK]) {
10271 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
10273 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10274 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
10275 !wiphy_ext_feature_isset(&rdev->wiphy,
10276 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
10278 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10281 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
10282 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10283 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10284 !wiphy_ext_feature_isset(&rdev->wiphy,
10285 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
10287 settings->sae_pwd =
10288 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10289 settings->sae_pwd_len =
10290 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
10293 if (info->attrs[NL80211_ATTR_SAE_PWE])
10294 settings->sae_pwe =
10295 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
10297 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
10302 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
10304 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10305 struct net_device *dev = info->user_ptr[1];
10306 struct ieee80211_channel *chan;
10307 struct cfg80211_assoc_request req = {};
10308 const u8 *bssid, *ssid;
10309 int err, ssid_len = 0;
10312 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10313 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10316 if (!info->attrs[NL80211_ATTR_MAC] ||
10317 !info->attrs[NL80211_ATTR_SSID] ||
10318 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
10321 if (!rdev->ops->assoc)
10322 return -EOPNOTSUPP;
10324 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10325 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10326 return -EOPNOTSUPP;
10328 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10330 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10331 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10333 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10334 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10338 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10339 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10341 if (info->attrs[NL80211_ATTR_IE]) {
10342 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10343 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10346 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10347 enum nl80211_mfp mfp =
10348 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10349 if (mfp == NL80211_MFP_REQUIRED)
10350 req.use_mfp = true;
10351 else if (mfp != NL80211_MFP_NO)
10355 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10356 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10358 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10359 req.flags |= ASSOC_REQ_DISABLE_HT;
10361 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10362 memcpy(&req.ht_capa_mask,
10363 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10364 sizeof(req.ht_capa_mask));
10366 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10367 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10369 memcpy(&req.ht_capa,
10370 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10371 sizeof(req.ht_capa));
10374 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10375 req.flags |= ASSOC_REQ_DISABLE_VHT;
10377 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10378 req.flags |= ASSOC_REQ_DISABLE_HE;
10380 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10381 memcpy(&req.vht_capa_mask,
10382 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10383 sizeof(req.vht_capa_mask));
10385 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10386 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10388 memcpy(&req.vht_capa,
10389 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10390 sizeof(req.vht_capa));
10393 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10394 if (!((rdev->wiphy.features &
10395 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10396 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10397 !wiphy_ext_feature_isset(&rdev->wiphy,
10398 NL80211_EXT_FEATURE_RRM))
10400 req.flags |= ASSOC_REQ_USE_RRM;
10403 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
10404 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
10405 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
10406 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
10409 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
10412 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
10413 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
10415 memcpy(&req.s1g_capa_mask,
10416 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
10417 sizeof(req.s1g_capa_mask));
10420 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
10421 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
10423 memcpy(&req.s1g_capa,
10424 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
10425 sizeof(req.s1g_capa));
10428 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
10430 wdev_lock(dev->ieee80211_ptr);
10432 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
10433 ssid, ssid_len, &req);
10435 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10436 dev->ieee80211_ptr->conn_owner_nlportid =
10438 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10442 wdev_unlock(dev->ieee80211_ptr);
10448 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
10450 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10451 struct net_device *dev = info->user_ptr[1];
10452 const u8 *ie = NULL, *bssid;
10453 int ie_len = 0, err;
10455 bool local_state_change;
10457 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10458 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10461 if (!info->attrs[NL80211_ATTR_MAC])
10464 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10467 if (!rdev->ops->deauth)
10468 return -EOPNOTSUPP;
10470 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10471 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10472 return -EOPNOTSUPP;
10474 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10476 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10477 if (reason_code == 0) {
10478 /* Reason Code 0 is reserved */
10482 if (info->attrs[NL80211_ATTR_IE]) {
10483 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10484 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10487 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10489 wdev_lock(dev->ieee80211_ptr);
10490 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
10491 local_state_change);
10492 wdev_unlock(dev->ieee80211_ptr);
10496 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
10498 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10499 struct net_device *dev = info->user_ptr[1];
10500 const u8 *ie = NULL, *bssid;
10501 int ie_len = 0, err;
10503 bool local_state_change;
10505 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10506 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10509 if (!info->attrs[NL80211_ATTR_MAC])
10512 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10515 if (!rdev->ops->disassoc)
10516 return -EOPNOTSUPP;
10518 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10519 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10520 return -EOPNOTSUPP;
10522 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10524 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10525 if (reason_code == 0) {
10526 /* Reason Code 0 is reserved */
10530 if (info->attrs[NL80211_ATTR_IE]) {
10531 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10532 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10535 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10537 wdev_lock(dev->ieee80211_ptr);
10538 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
10539 local_state_change);
10540 wdev_unlock(dev->ieee80211_ptr);
10545 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
10546 int mcast_rate[NUM_NL80211_BANDS],
10549 struct wiphy *wiphy = &rdev->wiphy;
10550 bool found = false;
10553 for (band = 0; band < NUM_NL80211_BANDS; band++) {
10554 struct ieee80211_supported_band *sband;
10556 sband = wiphy->bands[band];
10560 for (i = 0; i < sband->n_bitrates; i++) {
10561 if (sband->bitrates[i].bitrate == rateval) {
10562 mcast_rate[band] = i + 1;
10572 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
10574 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10575 struct net_device *dev = info->user_ptr[1];
10576 struct cfg80211_ibss_params ibss;
10577 struct wiphy *wiphy;
10578 struct cfg80211_cached_keys *connkeys = NULL;
10581 memset(&ibss, 0, sizeof(ibss));
10583 if (!info->attrs[NL80211_ATTR_SSID] ||
10584 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10587 ibss.beacon_interval = 100;
10589 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
10590 ibss.beacon_interval =
10591 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10593 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
10594 ibss.beacon_interval);
10598 if (!rdev->ops->join_ibss)
10599 return -EOPNOTSUPP;
10601 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10602 return -EOPNOTSUPP;
10604 wiphy = &rdev->wiphy;
10606 if (info->attrs[NL80211_ATTR_MAC]) {
10607 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10609 if (!is_valid_ether_addr(ibss.bssid))
10612 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10613 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10615 if (info->attrs[NL80211_ATTR_IE]) {
10616 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10617 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10620 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
10624 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
10625 NL80211_IFTYPE_ADHOC))
10628 switch (ibss.chandef.width) {
10629 case NL80211_CHAN_WIDTH_5:
10630 case NL80211_CHAN_WIDTH_10:
10631 case NL80211_CHAN_WIDTH_20_NOHT:
10633 case NL80211_CHAN_WIDTH_20:
10634 case NL80211_CHAN_WIDTH_40:
10635 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10638 case NL80211_CHAN_WIDTH_80:
10639 case NL80211_CHAN_WIDTH_80P80:
10640 case NL80211_CHAN_WIDTH_160:
10641 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10643 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10644 NL80211_EXT_FEATURE_VHT_IBSS))
10647 case NL80211_CHAN_WIDTH_320:
10653 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
10654 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
10656 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10658 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10660 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10661 struct ieee80211_supported_band *sband =
10662 wiphy->bands[ibss.chandef.chan->band];
10664 err = ieee80211_get_ratemask(sband, rates, n_rates,
10665 &ibss.basic_rates);
10670 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10671 memcpy(&ibss.ht_capa_mask,
10672 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10673 sizeof(ibss.ht_capa_mask));
10675 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10676 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10678 memcpy(&ibss.ht_capa,
10679 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10680 sizeof(ibss.ht_capa));
10683 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10684 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
10685 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10688 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10689 bool no_ht = false;
10691 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
10692 if (IS_ERR(connkeys))
10693 return PTR_ERR(connkeys);
10695 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
10697 kfree_sensitive(connkeys);
10702 ibss.control_port =
10703 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
10705 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10706 int r = validate_pae_over_nl80211(rdev, info);
10709 kfree_sensitive(connkeys);
10713 ibss.control_port_over_nl80211 = true;
10716 ibss.userspace_handles_dfs =
10717 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10719 wdev_lock(dev->ieee80211_ptr);
10720 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
10722 kfree_sensitive(connkeys);
10723 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
10724 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10725 wdev_unlock(dev->ieee80211_ptr);
10730 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
10732 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10733 struct net_device *dev = info->user_ptr[1];
10735 if (!rdev->ops->leave_ibss)
10736 return -EOPNOTSUPP;
10738 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10739 return -EOPNOTSUPP;
10741 return cfg80211_leave_ibss(rdev, dev, false);
10744 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
10746 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10747 struct net_device *dev = info->user_ptr[1];
10748 int mcast_rate[NUM_NL80211_BANDS];
10752 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
10753 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
10754 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
10755 return -EOPNOTSUPP;
10757 if (!rdev->ops->set_mcast_rate)
10758 return -EOPNOTSUPP;
10760 memset(mcast_rate, 0, sizeof(mcast_rate));
10762 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
10765 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
10766 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
10769 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
10774 static struct sk_buff *
10775 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
10776 struct wireless_dev *wdev, int approxlen,
10777 u32 portid, u32 seq, enum nl80211_commands cmd,
10778 enum nl80211_attrs attr,
10779 const struct nl80211_vendor_cmd_info *info,
10782 struct sk_buff *skb;
10784 struct nlattr *data;
10786 skb = nlmsg_new(approxlen + 100, gfp);
10790 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
10796 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10797 goto nla_put_failure;
10800 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
10802 goto nla_put_failure;
10803 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
10805 goto nla_put_failure;
10809 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
10810 wdev_id(wdev), NL80211_ATTR_PAD))
10811 goto nla_put_failure;
10812 if (wdev->netdev &&
10813 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
10814 wdev->netdev->ifindex))
10815 goto nla_put_failure;
10818 data = nla_nest_start_noflag(skb, attr);
10820 goto nla_put_failure;
10822 ((void **)skb->cb)[0] = rdev;
10823 ((void **)skb->cb)[1] = hdr;
10824 ((void **)skb->cb)[2] = data;
10833 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
10834 struct wireless_dev *wdev,
10835 enum nl80211_commands cmd,
10836 enum nl80211_attrs attr,
10837 unsigned int portid,
10838 int vendor_event_idx,
10839 int approxlen, gfp_t gfp)
10841 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
10842 const struct nl80211_vendor_cmd_info *info;
10845 case NL80211_CMD_TESTMODE:
10846 if (WARN_ON(vendor_event_idx != -1))
10850 case NL80211_CMD_VENDOR:
10851 if (WARN_ON(vendor_event_idx < 0 ||
10852 vendor_event_idx >= wiphy->n_vendor_events))
10854 info = &wiphy->vendor_events[vendor_event_idx];
10861 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
10862 cmd, attr, info, gfp);
10864 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
10866 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
10868 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
10869 void *hdr = ((void **)skb->cb)[1];
10870 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
10871 struct nlattr *data = ((void **)skb->cb)[2];
10872 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
10874 /* clear CB data for netlink core to own from now on */
10875 memset(skb->cb, 0, sizeof(skb->cb));
10877 nla_nest_end(skb, data);
10878 genlmsg_end(skb, hdr);
10880 if (nlhdr->nlmsg_pid) {
10881 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
10884 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
10885 mcgrp = NL80211_MCGRP_VENDOR;
10887 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
10888 skb, 0, mcgrp, gfp);
10891 EXPORT_SYMBOL(__cfg80211_send_event_skb);
10893 #ifdef CONFIG_NL80211_TESTMODE
10894 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
10896 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10897 struct wireless_dev *wdev;
10900 lockdep_assert_held(&rdev->wiphy.mtx);
10902 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
10905 if (!rdev->ops->testmode_cmd)
10906 return -EOPNOTSUPP;
10908 if (IS_ERR(wdev)) {
10909 err = PTR_ERR(wdev);
10910 if (err != -EINVAL)
10913 } else if (wdev->wiphy != &rdev->wiphy) {
10917 if (!info->attrs[NL80211_ATTR_TESTDATA])
10920 rdev->cur_cmd_info = info;
10921 err = rdev_testmode_cmd(rdev, wdev,
10922 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
10923 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
10924 rdev->cur_cmd_info = NULL;
10929 static int nl80211_testmode_dump(struct sk_buff *skb,
10930 struct netlink_callback *cb)
10932 struct cfg80211_registered_device *rdev;
10933 struct nlattr **attrbuf = NULL;
10943 * 0 is a valid index, but not valid for args[0],
10944 * so we need to offset by 1.
10946 phy_idx = cb->args[0] - 1;
10948 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
10954 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
10961 err = nlmsg_parse_deprecated(cb->nlh,
10962 GENL_HDRLEN + nl80211_fam.hdrsize,
10963 attrbuf, nl80211_fam.maxattr,
10964 nl80211_policy, NULL);
10968 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
10969 if (IS_ERR(rdev)) {
10970 err = PTR_ERR(rdev);
10973 phy_idx = rdev->wiphy_idx;
10975 if (attrbuf[NL80211_ATTR_TESTDATA])
10976 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
10980 data = nla_data((void *)cb->args[1]);
10981 data_len = nla_len((void *)cb->args[1]);
10984 if (!rdev->ops->testmode_dump) {
10990 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
10991 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10992 NL80211_CMD_TESTMODE);
10993 struct nlattr *tmdata;
10998 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
10999 genlmsg_cancel(skb, hdr);
11003 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
11005 genlmsg_cancel(skb, hdr);
11008 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
11009 nla_nest_end(skb, tmdata);
11011 if (err == -ENOBUFS || err == -ENOENT) {
11012 genlmsg_cancel(skb, hdr);
11015 genlmsg_cancel(skb, hdr);
11019 genlmsg_end(skb, hdr);
11024 cb->args[0] = phy_idx + 1;
11032 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
11034 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11035 struct net_device *dev = info->user_ptr[1];
11036 struct cfg80211_connect_params connect;
11037 struct wiphy *wiphy;
11038 struct cfg80211_cached_keys *connkeys = NULL;
11042 memset(&connect, 0, sizeof(connect));
11044 if (!info->attrs[NL80211_ATTR_SSID] ||
11045 !nla_len(info->attrs[NL80211_ATTR_SSID]))
11048 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11049 connect.auth_type =
11050 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11051 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
11052 NL80211_CMD_CONNECT))
11055 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
11057 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
11059 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
11060 !wiphy_ext_feature_isset(&rdev->wiphy,
11061 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
11063 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
11065 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
11066 NL80211_MAX_NR_CIPHER_SUITES);
11070 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11071 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11072 return -EOPNOTSUPP;
11074 wiphy = &rdev->wiphy;
11076 connect.bg_scan_period = -1;
11077 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
11078 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
11079 connect.bg_scan_period =
11080 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
11083 if (info->attrs[NL80211_ATTR_MAC])
11084 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11085 else if (info->attrs[NL80211_ATTR_MAC_HINT])
11086 connect.bssid_hint =
11087 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
11088 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11089 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11091 if (info->attrs[NL80211_ATTR_IE]) {
11092 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11093 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11096 if (info->attrs[NL80211_ATTR_USE_MFP]) {
11097 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
11098 if (connect.mfp == NL80211_MFP_OPTIONAL &&
11099 !wiphy_ext_feature_isset(&rdev->wiphy,
11100 NL80211_EXT_FEATURE_MFP_OPTIONAL))
11101 return -EOPNOTSUPP;
11103 connect.mfp = NL80211_MFP_NO;
11106 if (info->attrs[NL80211_ATTR_PREV_BSSID])
11107 connect.prev_bssid =
11108 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
11110 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
11111 freq = MHZ_TO_KHZ(nla_get_u32(
11112 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
11113 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
11115 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
11118 connect.channel = nl80211_get_valid_chan(wiphy, freq);
11119 if (!connect.channel)
11121 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
11122 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
11123 freq = MHZ_TO_KHZ(freq);
11124 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
11125 if (!connect.channel_hint)
11129 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
11130 connect.edmg.channels =
11131 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
11133 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
11134 connect.edmg.bw_config =
11135 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
11138 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
11139 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
11140 if (IS_ERR(connkeys))
11141 return PTR_ERR(connkeys);
11144 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
11145 connect.flags |= ASSOC_REQ_DISABLE_HT;
11147 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
11148 memcpy(&connect.ht_capa_mask,
11149 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
11150 sizeof(connect.ht_capa_mask));
11152 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
11153 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
11154 kfree_sensitive(connkeys);
11157 memcpy(&connect.ht_capa,
11158 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
11159 sizeof(connect.ht_capa));
11162 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
11163 connect.flags |= ASSOC_REQ_DISABLE_VHT;
11165 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
11166 connect.flags |= ASSOC_REQ_DISABLE_HE;
11168 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
11169 memcpy(&connect.vht_capa_mask,
11170 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
11171 sizeof(connect.vht_capa_mask));
11173 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
11174 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
11175 kfree_sensitive(connkeys);
11178 memcpy(&connect.vht_capa,
11179 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
11180 sizeof(connect.vht_capa));
11183 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
11184 if (!((rdev->wiphy.features &
11185 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
11186 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
11187 !wiphy_ext_feature_isset(&rdev->wiphy,
11188 NL80211_EXT_FEATURE_RRM)) {
11189 kfree_sensitive(connkeys);
11192 connect.flags |= ASSOC_REQ_USE_RRM;
11195 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
11196 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
11197 kfree_sensitive(connkeys);
11198 return -EOPNOTSUPP;
11201 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
11202 /* bss selection makes no sense if bssid is set */
11203 if (connect.bssid) {
11204 kfree_sensitive(connkeys);
11208 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
11209 wiphy, &connect.bss_select);
11211 kfree_sensitive(connkeys);
11216 if (wiphy_ext_feature_isset(&rdev->wiphy,
11217 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
11218 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
11219 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
11220 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
11221 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11222 connect.fils_erp_username =
11223 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11224 connect.fils_erp_username_len =
11225 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11226 connect.fils_erp_realm =
11227 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11228 connect.fils_erp_realm_len =
11229 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11230 connect.fils_erp_next_seq_num =
11232 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
11233 connect.fils_erp_rrk =
11234 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11235 connect.fils_erp_rrk_len =
11236 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11237 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
11238 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
11239 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
11240 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11241 kfree_sensitive(connkeys);
11245 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
11246 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11247 kfree_sensitive(connkeys);
11248 GENL_SET_ERR_MSG(info,
11249 "external auth requires connection ownership");
11252 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
11255 wdev_lock(dev->ieee80211_ptr);
11257 err = cfg80211_connect(rdev, dev, &connect, connkeys,
11258 connect.prev_bssid);
11260 kfree_sensitive(connkeys);
11262 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
11263 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11265 memcpy(dev->ieee80211_ptr->disconnect_bssid,
11266 connect.bssid, ETH_ALEN);
11268 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
11271 wdev_unlock(dev->ieee80211_ptr);
11276 static int nl80211_update_connect_params(struct sk_buff *skb,
11277 struct genl_info *info)
11279 struct cfg80211_connect_params connect = {};
11280 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11281 struct net_device *dev = info->user_ptr[1];
11282 struct wireless_dev *wdev = dev->ieee80211_ptr;
11283 bool fils_sk_offload;
11288 if (!rdev->ops->update_connect_params)
11289 return -EOPNOTSUPP;
11291 if (info->attrs[NL80211_ATTR_IE]) {
11292 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11293 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11294 changed |= UPDATE_ASSOC_IES;
11297 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
11298 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
11301 * when driver supports fils-sk offload all attributes must be
11302 * provided. So the else covers "fils-sk-not-all" and
11303 * "no-fils-sk-any".
11305 if (fils_sk_offload &&
11306 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
11307 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
11308 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
11309 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11310 connect.fils_erp_username =
11311 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11312 connect.fils_erp_username_len =
11313 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
11314 connect.fils_erp_realm =
11315 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11316 connect.fils_erp_realm_len =
11317 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11318 connect.fils_erp_next_seq_num =
11320 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
11321 connect.fils_erp_rrk =
11322 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11323 connect.fils_erp_rrk_len =
11324 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11325 changed |= UPDATE_FILS_ERP_INFO;
11326 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
11327 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
11328 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
11329 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11333 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11334 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11335 if (!nl80211_valid_auth_type(rdev, auth_type,
11336 NL80211_CMD_CONNECT))
11339 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
11340 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
11343 connect.auth_type = auth_type;
11344 changed |= UPDATE_AUTH_TYPE;
11347 wdev_lock(dev->ieee80211_ptr);
11348 if (!wdev->current_bss)
11351 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
11352 wdev_unlock(dev->ieee80211_ptr);
11357 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
11359 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11360 struct net_device *dev = info->user_ptr[1];
11364 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11365 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11368 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11369 reason = WLAN_REASON_DEAUTH_LEAVING;
11371 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11376 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11377 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11378 return -EOPNOTSUPP;
11380 wdev_lock(dev->ieee80211_ptr);
11381 ret = cfg80211_disconnect(rdev, dev, reason, true);
11382 wdev_unlock(dev->ieee80211_ptr);
11386 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
11388 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11392 if (info->attrs[NL80211_ATTR_PID]) {
11393 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
11395 net = get_net_ns_by_pid(pid);
11396 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
11397 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
11399 net = get_net_ns_by_fd(fd);
11405 return PTR_ERR(net);
11409 /* check if anything to do */
11410 if (!net_eq(wiphy_net(&rdev->wiphy), net))
11411 err = cfg80211_switch_netns(rdev, net);
11417 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
11419 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11420 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
11421 struct cfg80211_pmksa *pmksa) = NULL;
11422 struct net_device *dev = info->user_ptr[1];
11423 struct cfg80211_pmksa pmksa;
11425 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
11427 if (!info->attrs[NL80211_ATTR_PMKID])
11430 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
11432 if (info->attrs[NL80211_ATTR_MAC]) {
11433 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11434 } else if (info->attrs[NL80211_ATTR_SSID] &&
11435 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
11436 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
11437 info->attrs[NL80211_ATTR_PMK])) {
11438 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11439 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11441 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
11445 if (info->attrs[NL80211_ATTR_PMK]) {
11446 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
11447 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
11450 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
11451 pmksa.pmk_lifetime =
11452 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
11454 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
11455 pmksa.pmk_reauth_threshold =
11457 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
11459 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11460 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
11461 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
11462 wiphy_ext_feature_isset(&rdev->wiphy,
11463 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
11464 return -EOPNOTSUPP;
11466 switch (info->genlhdr->cmd) {
11467 case NL80211_CMD_SET_PMKSA:
11468 rdev_ops = rdev->ops->set_pmksa;
11470 case NL80211_CMD_DEL_PMKSA:
11471 rdev_ops = rdev->ops->del_pmksa;
11479 return -EOPNOTSUPP;
11481 return rdev_ops(&rdev->wiphy, dev, &pmksa);
11484 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
11486 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11487 struct net_device *dev = info->user_ptr[1];
11489 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11490 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11491 return -EOPNOTSUPP;
11493 if (!rdev->ops->flush_pmksa)
11494 return -EOPNOTSUPP;
11496 return rdev_flush_pmksa(rdev, dev);
11499 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
11501 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11502 struct net_device *dev = info->user_ptr[1];
11503 u8 action_code, dialog_token;
11504 u32 peer_capability = 0;
11509 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11510 !rdev->ops->tdls_mgmt)
11511 return -EOPNOTSUPP;
11513 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
11514 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
11515 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
11516 !info->attrs[NL80211_ATTR_IE] ||
11517 !info->attrs[NL80211_ATTR_MAC])
11520 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11521 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
11522 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
11523 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
11524 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
11525 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
11527 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
11529 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
11530 dialog_token, status_code, peer_capability,
11532 nla_data(info->attrs[NL80211_ATTR_IE]),
11533 nla_len(info->attrs[NL80211_ATTR_IE]));
11536 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
11538 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11539 struct net_device *dev = info->user_ptr[1];
11540 enum nl80211_tdls_operation operation;
11543 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11544 !rdev->ops->tdls_oper)
11545 return -EOPNOTSUPP;
11547 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
11548 !info->attrs[NL80211_ATTR_MAC])
11551 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
11552 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11554 return rdev_tdls_oper(rdev, dev, peer, operation);
11557 static int nl80211_remain_on_channel(struct sk_buff *skb,
11558 struct genl_info *info)
11560 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11561 struct wireless_dev *wdev = info->user_ptr[1];
11562 struct cfg80211_chan_def chandef;
11563 const struct cfg80211_chan_def *compat_chandef;
11564 struct sk_buff *msg;
11570 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11571 !info->attrs[NL80211_ATTR_DURATION])
11574 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11576 if (!rdev->ops->remain_on_channel ||
11577 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
11578 return -EOPNOTSUPP;
11581 * We should be on that channel for at least a minimum amount of
11582 * time (10ms) but no longer than the driver supports.
11584 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11585 duration > rdev->wiphy.max_remain_on_channel_duration)
11588 err = nl80211_parse_chandef(rdev, info, &chandef);
11593 if (!cfg80211_off_channel_oper_allowed(wdev) &&
11594 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
11595 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
11597 if (compat_chandef != &chandef) {
11604 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11608 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11609 NL80211_CMD_REMAIN_ON_CHANNEL);
11615 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
11616 duration, &cookie);
11621 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11623 goto nla_put_failure;
11625 genlmsg_end(msg, hdr);
11627 return genlmsg_reply(msg, info);
11636 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
11637 struct genl_info *info)
11639 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11640 struct wireless_dev *wdev = info->user_ptr[1];
11643 if (!info->attrs[NL80211_ATTR_COOKIE])
11646 if (!rdev->ops->cancel_remain_on_channel)
11647 return -EOPNOTSUPP;
11649 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11651 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
11654 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
11655 struct genl_info *info)
11657 struct cfg80211_bitrate_mask mask;
11658 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11659 struct net_device *dev = info->user_ptr[1];
11662 if (!rdev->ops->set_bitrate_mask)
11663 return -EOPNOTSUPP;
11665 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11666 NL80211_ATTR_TX_RATES, &mask,
11671 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
11674 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
11676 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11677 struct wireless_dev *wdev = info->user_ptr[1];
11678 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
11680 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
11683 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
11684 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
11686 switch (wdev->iftype) {
11687 case NL80211_IFTYPE_STATION:
11688 case NL80211_IFTYPE_ADHOC:
11689 case NL80211_IFTYPE_P2P_CLIENT:
11690 case NL80211_IFTYPE_AP:
11691 case NL80211_IFTYPE_AP_VLAN:
11692 case NL80211_IFTYPE_MESH_POINT:
11693 case NL80211_IFTYPE_P2P_GO:
11694 case NL80211_IFTYPE_P2P_DEVICE:
11696 case NL80211_IFTYPE_NAN:
11698 return -EOPNOTSUPP;
11701 /* not much point in registering if we can't reply */
11702 if (!rdev->ops->mgmt_tx)
11703 return -EOPNOTSUPP;
11705 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
11706 !wiphy_ext_feature_isset(&rdev->wiphy,
11707 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
11708 GENL_SET_ERR_MSG(info,
11709 "multicast RX registrations are not supported");
11710 return -EOPNOTSUPP;
11713 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
11714 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11715 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11716 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
11720 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
11722 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11723 struct wireless_dev *wdev = info->user_ptr[1];
11724 struct cfg80211_chan_def chandef;
11728 struct sk_buff *msg = NULL;
11729 struct cfg80211_mgmt_tx_params params = {
11730 .dont_wait_for_ack =
11731 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
11734 if (!info->attrs[NL80211_ATTR_FRAME])
11737 if (!rdev->ops->mgmt_tx)
11738 return -EOPNOTSUPP;
11740 switch (wdev->iftype) {
11741 case NL80211_IFTYPE_P2P_DEVICE:
11742 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
11745 case NL80211_IFTYPE_STATION:
11746 case NL80211_IFTYPE_ADHOC:
11747 case NL80211_IFTYPE_P2P_CLIENT:
11748 case NL80211_IFTYPE_AP:
11749 case NL80211_IFTYPE_AP_VLAN:
11750 case NL80211_IFTYPE_MESH_POINT:
11751 case NL80211_IFTYPE_P2P_GO:
11753 case NL80211_IFTYPE_NAN:
11755 return -EOPNOTSUPP;
11758 if (info->attrs[NL80211_ATTR_DURATION]) {
11759 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11761 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11764 * We should wait on the channel for at least a minimum amount
11765 * of time (10ms) but no longer than the driver supports.
11767 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11768 params.wait > rdev->wiphy.max_remain_on_channel_duration)
11772 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
11774 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11777 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
11779 /* get the channel if any has been specified, otherwise pass NULL to
11780 * the driver. The latter will use the current one
11782 chandef.chan = NULL;
11783 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11784 err = nl80211_parse_chandef(rdev, info, &chandef);
11789 if (!chandef.chan && params.offchan)
11793 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
11799 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
11800 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
11802 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
11803 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11806 if (len % sizeof(u16))
11809 params.n_csa_offsets = len / sizeof(u16);
11810 params.csa_offsets =
11811 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11813 /* check that all the offsets fit the frame */
11814 for (i = 0; i < params.n_csa_offsets; i++) {
11815 if (params.csa_offsets[i] >= params.len)
11820 if (!params.dont_wait_for_ack) {
11821 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11825 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11826 NL80211_CMD_FRAME);
11833 params.chan = chandef.chan;
11834 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
11839 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11841 goto nla_put_failure;
11843 genlmsg_end(msg, hdr);
11844 return genlmsg_reply(msg, info);
11856 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
11858 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11859 struct wireless_dev *wdev = info->user_ptr[1];
11862 if (!info->attrs[NL80211_ATTR_COOKIE])
11865 if (!rdev->ops->mgmt_tx_cancel_wait)
11866 return -EOPNOTSUPP;
11868 switch (wdev->iftype) {
11869 case NL80211_IFTYPE_STATION:
11870 case NL80211_IFTYPE_ADHOC:
11871 case NL80211_IFTYPE_P2P_CLIENT:
11872 case NL80211_IFTYPE_AP:
11873 case NL80211_IFTYPE_AP_VLAN:
11874 case NL80211_IFTYPE_P2P_GO:
11875 case NL80211_IFTYPE_P2P_DEVICE:
11877 case NL80211_IFTYPE_NAN:
11879 return -EOPNOTSUPP;
11882 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11884 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
11887 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
11889 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11890 struct wireless_dev *wdev;
11891 struct net_device *dev = info->user_ptr[1];
11896 if (!info->attrs[NL80211_ATTR_PS_STATE])
11899 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
11901 wdev = dev->ieee80211_ptr;
11903 if (!rdev->ops->set_power_mgmt)
11904 return -EOPNOTSUPP;
11906 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
11908 if (state == wdev->ps)
11911 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
11917 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
11919 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11920 enum nl80211_ps_state ps_state;
11921 struct wireless_dev *wdev;
11922 struct net_device *dev = info->user_ptr[1];
11923 struct sk_buff *msg;
11927 wdev = dev->ieee80211_ptr;
11929 if (!rdev->ops->set_power_mgmt)
11930 return -EOPNOTSUPP;
11932 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11936 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11937 NL80211_CMD_GET_POWER_SAVE);
11944 ps_state = NL80211_PS_ENABLED;
11946 ps_state = NL80211_PS_DISABLED;
11948 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
11949 goto nla_put_failure;
11951 genlmsg_end(msg, hdr);
11952 return genlmsg_reply(msg, info);
11961 static const struct nla_policy
11962 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
11963 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
11964 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
11965 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
11966 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
11967 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
11968 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
11969 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
11972 static int nl80211_set_cqm_txe(struct genl_info *info,
11973 u32 rate, u32 pkts, u32 intvl)
11975 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11976 struct net_device *dev = info->user_ptr[1];
11977 struct wireless_dev *wdev = dev->ieee80211_ptr;
11979 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
11982 if (!rdev->ops->set_cqm_txe_config)
11983 return -EOPNOTSUPP;
11985 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11986 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11987 return -EOPNOTSUPP;
11989 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
11992 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
11993 struct net_device *dev)
11995 struct wireless_dev *wdev = dev->ieee80211_ptr;
11996 s32 last, low, high;
11998 int i, n, low_index;
12001 /* RSSI reporting disabled? */
12002 if (!wdev->cqm_config)
12003 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
12006 * Obtain current RSSI value if possible, if not and no RSSI threshold
12007 * event has been received yet, we should receive an event after a
12008 * connection is established and enough beacons received to calculate
12011 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
12012 rdev->ops->get_station) {
12013 struct station_info sinfo = {};
12016 mac_addr = wdev->current_bss->pub.bssid;
12018 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
12022 cfg80211_sinfo_release_content(&sinfo);
12023 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
12024 wdev->cqm_config->last_rssi_event_value =
12025 (s8) sinfo.rx_beacon_signal_avg;
12028 last = wdev->cqm_config->last_rssi_event_value;
12029 hyst = wdev->cqm_config->rssi_hyst;
12030 n = wdev->cqm_config->n_rssi_thresholds;
12032 for (i = 0; i < n; i++) {
12033 i = array_index_nospec(i, n);
12034 if (last < wdev->cqm_config->rssi_thresholds[i])
12039 if (low_index >= 0) {
12040 low_index = array_index_nospec(low_index, n);
12041 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
12046 i = array_index_nospec(i, n);
12047 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
12052 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
12055 static int nl80211_set_cqm_rssi(struct genl_info *info,
12056 const s32 *thresholds, int n_thresholds,
12059 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12060 struct net_device *dev = info->user_ptr[1];
12061 struct wireless_dev *wdev = dev->ieee80211_ptr;
12063 s32 prev = S32_MIN;
12065 /* Check all values negative and sorted */
12066 for (i = 0; i < n_thresholds; i++) {
12067 if (thresholds[i] > 0 || thresholds[i] <= prev)
12070 prev = thresholds[i];
12073 if (wdev->iftype != NL80211_IFTYPE_STATION &&
12074 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
12075 return -EOPNOTSUPP;
12078 cfg80211_cqm_config_free(wdev);
12081 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
12082 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
12083 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
12085 return rdev_set_cqm_rssi_config(rdev, dev,
12086 thresholds[0], hysteresis);
12089 if (!wiphy_ext_feature_isset(&rdev->wiphy,
12090 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
12091 return -EOPNOTSUPP;
12093 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
12097 if (n_thresholds) {
12098 struct cfg80211_cqm_config *cqm_config;
12100 cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds,
12108 cqm_config->rssi_hyst = hysteresis;
12109 cqm_config->n_rssi_thresholds = n_thresholds;
12110 memcpy(cqm_config->rssi_thresholds, thresholds,
12111 flex_array_size(cqm_config, rssi_thresholds,
12114 wdev->cqm_config = cqm_config;
12117 err = cfg80211_cqm_rssi_update(rdev, dev);
12125 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
12127 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
12128 struct nlattr *cqm;
12131 cqm = info->attrs[NL80211_ATTR_CQM];
12135 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
12136 nl80211_attr_cqm_policy,
12141 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
12142 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
12143 const s32 *thresholds =
12144 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
12145 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
12146 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
12151 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
12155 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
12156 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
12157 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
12158 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
12159 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
12160 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
12162 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
12168 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
12170 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12171 struct net_device *dev = info->user_ptr[1];
12172 struct ocb_setup setup = {};
12175 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
12179 return cfg80211_join_ocb(rdev, dev, &setup);
12182 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
12184 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12185 struct net_device *dev = info->user_ptr[1];
12187 return cfg80211_leave_ocb(rdev, dev);
12190 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
12192 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12193 struct net_device *dev = info->user_ptr[1];
12194 struct mesh_config cfg;
12195 struct mesh_setup setup;
12198 /* start with default */
12199 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
12200 memcpy(&setup, &default_mesh_setup, sizeof(setup));
12202 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
12203 /* and parse parameters if given */
12204 err = nl80211_parse_mesh_config(info, &cfg, NULL);
12209 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
12210 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
12213 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
12214 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
12216 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
12217 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
12218 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
12221 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
12222 setup.beacon_interval =
12223 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12225 err = cfg80211_validate_beacon_int(rdev,
12226 NL80211_IFTYPE_MESH_POINT,
12227 setup.beacon_interval);
12232 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
12233 setup.dtim_period =
12234 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
12235 if (setup.dtim_period < 1 || setup.dtim_period > 100)
12239 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
12240 /* parse additional setup parameters if given */
12241 err = nl80211_parse_mesh_setup(info, &setup);
12246 if (setup.user_mpm)
12247 cfg.auto_open_plinks = false;
12249 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
12250 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
12254 /* __cfg80211_join_mesh() will sort it out */
12255 setup.chandef.chan = NULL;
12258 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
12259 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
12261 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
12262 struct ieee80211_supported_band *sband;
12264 if (!setup.chandef.chan)
12267 sband = rdev->wiphy.bands[setup.chandef.chan->band];
12269 err = ieee80211_get_ratemask(sband, rates, n_rates,
12270 &setup.basic_rates);
12275 if (info->attrs[NL80211_ATTR_TX_RATES]) {
12276 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
12277 NL80211_ATTR_TX_RATES,
12278 &setup.beacon_rate,
12283 if (!setup.chandef.chan)
12286 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
12287 &setup.beacon_rate);
12292 setup.userspace_handles_dfs =
12293 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
12295 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
12296 int r = validate_pae_over_nl80211(rdev, info);
12301 setup.control_port_over_nl80211 = true;
12304 wdev_lock(dev->ieee80211_ptr);
12305 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
12306 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
12307 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
12308 wdev_unlock(dev->ieee80211_ptr);
12313 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
12315 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12316 struct net_device *dev = info->user_ptr[1];
12318 return cfg80211_leave_mesh(rdev, dev);
12322 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
12323 struct cfg80211_registered_device *rdev)
12325 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
12326 struct nlattr *nl_pats, *nl_pat;
12329 if (!wowlan->n_patterns)
12332 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
12336 for (i = 0; i < wowlan->n_patterns; i++) {
12337 nl_pat = nla_nest_start_noflag(msg, i + 1);
12340 pat_len = wowlan->patterns[i].pattern_len;
12341 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
12342 wowlan->patterns[i].mask) ||
12343 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12344 wowlan->patterns[i].pattern) ||
12345 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12346 wowlan->patterns[i].pkt_offset))
12348 nla_nest_end(msg, nl_pat);
12350 nla_nest_end(msg, nl_pats);
12355 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
12356 struct cfg80211_wowlan_tcp *tcp)
12358 struct nlattr *nl_tcp;
12363 nl_tcp = nla_nest_start_noflag(msg,
12364 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
12368 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
12369 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
12370 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
12371 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
12372 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
12373 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
12374 tcp->payload_len, tcp->payload) ||
12375 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
12376 tcp->data_interval) ||
12377 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
12378 tcp->wake_len, tcp->wake_data) ||
12379 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
12380 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
12383 if (tcp->payload_seq.len &&
12384 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
12385 sizeof(tcp->payload_seq), &tcp->payload_seq))
12388 if (tcp->payload_tok.len &&
12389 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
12390 sizeof(tcp->payload_tok) + tcp->tokens_size,
12391 &tcp->payload_tok))
12394 nla_nest_end(msg, nl_tcp);
12399 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
12400 struct cfg80211_sched_scan_request *req)
12402 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
12408 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
12412 if (req->n_scan_plans == 1 &&
12413 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
12414 req->scan_plans[0].interval * 1000))
12417 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
12420 if (req->relative_rssi_set) {
12421 struct nl80211_bss_select_rssi_adjust rssi_adjust;
12423 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
12424 req->relative_rssi))
12427 rssi_adjust.band = req->rssi_adjust.band;
12428 rssi_adjust.delta = req->rssi_adjust.delta;
12429 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
12430 sizeof(rssi_adjust), &rssi_adjust))
12434 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
12438 for (i = 0; i < req->n_channels; i++) {
12439 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
12443 nla_nest_end(msg, freqs);
12445 if (req->n_match_sets) {
12446 matches = nla_nest_start_noflag(msg,
12447 NL80211_ATTR_SCHED_SCAN_MATCH);
12451 for (i = 0; i < req->n_match_sets; i++) {
12452 match = nla_nest_start_noflag(msg, i);
12456 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
12457 req->match_sets[i].ssid.ssid_len,
12458 req->match_sets[i].ssid.ssid))
12460 nla_nest_end(msg, match);
12462 nla_nest_end(msg, matches);
12465 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
12469 for (i = 0; i < req->n_scan_plans; i++) {
12470 scan_plan = nla_nest_start_noflag(msg, i + 1);
12474 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
12475 req->scan_plans[i].interval) ||
12476 (req->scan_plans[i].iterations &&
12477 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
12478 req->scan_plans[i].iterations)))
12480 nla_nest_end(msg, scan_plan);
12482 nla_nest_end(msg, scan_plans);
12484 nla_nest_end(msg, nd);
12489 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
12491 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12492 struct sk_buff *msg;
12494 u32 size = NLMSG_DEFAULT_SIZE;
12496 if (!rdev->wiphy.wowlan)
12497 return -EOPNOTSUPP;
12499 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
12500 /* adjust size to have room for all the data */
12501 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
12502 rdev->wiphy.wowlan_config->tcp->payload_len +
12503 rdev->wiphy.wowlan_config->tcp->wake_len +
12504 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
12507 msg = nlmsg_new(size, GFP_KERNEL);
12511 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12512 NL80211_CMD_GET_WOWLAN);
12514 goto nla_put_failure;
12516 if (rdev->wiphy.wowlan_config) {
12517 struct nlattr *nl_wowlan;
12519 nl_wowlan = nla_nest_start_noflag(msg,
12520 NL80211_ATTR_WOWLAN_TRIGGERS);
12522 goto nla_put_failure;
12524 if ((rdev->wiphy.wowlan_config->any &&
12525 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
12526 (rdev->wiphy.wowlan_config->disconnect &&
12527 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
12528 (rdev->wiphy.wowlan_config->magic_pkt &&
12529 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
12530 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
12531 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
12532 (rdev->wiphy.wowlan_config->eap_identity_req &&
12533 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
12534 (rdev->wiphy.wowlan_config->four_way_handshake &&
12535 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
12536 (rdev->wiphy.wowlan_config->rfkill_release &&
12537 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
12538 goto nla_put_failure;
12540 if (nl80211_send_wowlan_patterns(msg, rdev))
12541 goto nla_put_failure;
12543 if (nl80211_send_wowlan_tcp(msg,
12544 rdev->wiphy.wowlan_config->tcp))
12545 goto nla_put_failure;
12547 if (nl80211_send_wowlan_nd(
12549 rdev->wiphy.wowlan_config->nd_config))
12550 goto nla_put_failure;
12552 nla_nest_end(msg, nl_wowlan);
12555 genlmsg_end(msg, hdr);
12556 return genlmsg_reply(msg, info);
12563 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
12564 struct nlattr *attr,
12565 struct cfg80211_wowlan *trig)
12567 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
12568 struct cfg80211_wowlan_tcp *cfg;
12569 struct nl80211_wowlan_tcp_data_token *tok = NULL;
12570 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
12572 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
12575 if (!rdev->wiphy.wowlan->tcp)
12578 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
12579 nl80211_wowlan_tcp_policy, NULL);
12583 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
12584 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
12585 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
12586 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
12587 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
12588 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
12589 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
12590 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
12593 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
12594 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
12597 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
12598 rdev->wiphy.wowlan->tcp->data_interval_max ||
12599 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
12602 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
12603 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
12606 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
12607 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
12610 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
12611 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12613 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12614 tokens_size = tokln - sizeof(*tok);
12616 if (!tok->len || tokens_size % tok->len)
12618 if (!rdev->wiphy.wowlan->tcp->tok)
12620 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
12622 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
12624 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
12626 if (tok->offset + tok->len > data_size)
12630 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
12631 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
12632 if (!rdev->wiphy.wowlan->tcp->seq)
12634 if (seq->len == 0 || seq->len > 4)
12636 if (seq->len + seq->offset > data_size)
12640 size = sizeof(*cfg);
12642 size += wake_size + wake_mask_size;
12643 size += tokens_size;
12645 cfg = kzalloc(size, GFP_KERNEL);
12648 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
12649 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
12650 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
12652 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
12653 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
12657 /* allocate a socket and port for it and use it */
12658 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
12659 IPPROTO_TCP, &cfg->sock, 1);
12664 if (inet_csk_get_port(cfg->sock->sk, port)) {
12665 sock_release(cfg->sock);
12667 return -EADDRINUSE;
12669 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
12675 cfg->src_port = port;
12678 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
12679 cfg->payload_len = data_size;
12680 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
12681 memcpy((void *)cfg->payload,
12682 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
12685 cfg->payload_seq = *seq;
12686 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
12687 cfg->wake_len = wake_size;
12688 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
12689 memcpy((void *)cfg->wake_data,
12690 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
12692 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
12693 data_size + wake_size;
12694 memcpy((void *)cfg->wake_mask,
12695 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
12698 cfg->tokens_size = tokens_size;
12699 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
12707 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
12708 const struct wiphy_wowlan_support *wowlan,
12709 struct nlattr *attr,
12710 struct cfg80211_wowlan *trig)
12712 struct nlattr **tb;
12715 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
12719 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
12724 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
12725 nl80211_policy, NULL);
12729 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
12730 wowlan->max_nd_match_sets);
12731 err = PTR_ERR_OR_ZERO(trig->nd_config);
12733 trig->nd_config = NULL;
12740 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
12742 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12743 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
12744 struct cfg80211_wowlan new_triggers = {};
12745 struct cfg80211_wowlan *ntrig;
12746 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
12748 bool prev_enabled = rdev->wiphy.wowlan_config;
12749 bool regular = false;
12752 return -EOPNOTSUPP;
12754 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
12755 cfg80211_rdev_free_wowlan(rdev);
12756 rdev->wiphy.wowlan_config = NULL;
12760 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
12761 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
12762 nl80211_wowlan_policy, info->extack);
12766 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
12767 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
12769 new_triggers.any = true;
12772 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
12773 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
12775 new_triggers.disconnect = true;
12779 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
12780 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
12782 new_triggers.magic_pkt = true;
12786 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
12789 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
12790 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
12792 new_triggers.gtk_rekey_failure = true;
12796 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
12797 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
12799 new_triggers.eap_identity_req = true;
12803 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
12804 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
12806 new_triggers.four_way_handshake = true;
12810 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
12811 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
12813 new_triggers.rfkill_release = true;
12817 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
12818 struct nlattr *pat;
12819 int n_patterns = 0;
12820 int rem, pat_len, mask_len, pkt_offset;
12821 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12825 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12828 if (n_patterns > wowlan->n_patterns)
12831 new_triggers.patterns = kcalloc(n_patterns,
12832 sizeof(new_triggers.patterns[0]),
12834 if (!new_triggers.patterns)
12837 new_triggers.n_patterns = n_patterns;
12840 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12844 err = nla_parse_nested_deprecated(pat_tb,
12845 MAX_NL80211_PKTPAT,
12847 nl80211_packet_pattern_policy,
12853 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12854 !pat_tb[NL80211_PKTPAT_PATTERN])
12856 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12857 mask_len = DIV_ROUND_UP(pat_len, 8);
12858 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12860 if (pat_len > wowlan->pattern_max_len ||
12861 pat_len < wowlan->pattern_min_len)
12864 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12867 pkt_offset = nla_get_u32(
12868 pat_tb[NL80211_PKTPAT_OFFSET]);
12869 if (pkt_offset > wowlan->max_pkt_offset)
12871 new_triggers.patterns[i].pkt_offset = pkt_offset;
12873 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12878 new_triggers.patterns[i].mask = mask_pat;
12879 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12881 mask_pat += mask_len;
12882 new_triggers.patterns[i].pattern = mask_pat;
12883 new_triggers.patterns[i].pattern_len = pat_len;
12885 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12891 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
12893 err = nl80211_parse_wowlan_tcp(
12894 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
12900 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
12902 err = nl80211_parse_wowlan_nd(
12903 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
12909 /* The 'any' trigger means the device continues operating more or less
12910 * as in its normal operation mode and wakes up the host on most of the
12911 * normal interrupts (like packet RX, ...)
12912 * It therefore makes little sense to combine with the more constrained
12913 * wakeup trigger modes.
12915 if (new_triggers.any && regular) {
12920 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
12925 cfg80211_rdev_free_wowlan(rdev);
12926 rdev->wiphy.wowlan_config = ntrig;
12929 if (rdev->ops->set_wakeup &&
12930 prev_enabled != !!rdev->wiphy.wowlan_config)
12931 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
12935 for (i = 0; i < new_triggers.n_patterns; i++)
12936 kfree(new_triggers.patterns[i].mask);
12937 kfree(new_triggers.patterns);
12938 if (new_triggers.tcp && new_triggers.tcp->sock)
12939 sock_release(new_triggers.tcp->sock);
12940 kfree(new_triggers.tcp);
12941 kfree(new_triggers.nd_config);
12946 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
12947 struct cfg80211_registered_device *rdev)
12949 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
12951 struct cfg80211_coalesce_rules *rule;
12953 if (!rdev->coalesce->n_rules)
12956 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
12960 for (i = 0; i < rdev->coalesce->n_rules; i++) {
12961 nl_rule = nla_nest_start_noflag(msg, i + 1);
12965 rule = &rdev->coalesce->rules[i];
12966 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
12970 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
12974 nl_pats = nla_nest_start_noflag(msg,
12975 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
12979 for (j = 0; j < rule->n_patterns; j++) {
12980 nl_pat = nla_nest_start_noflag(msg, j + 1);
12983 pat_len = rule->patterns[j].pattern_len;
12984 if (nla_put(msg, NL80211_PKTPAT_MASK,
12985 DIV_ROUND_UP(pat_len, 8),
12986 rule->patterns[j].mask) ||
12987 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12988 rule->patterns[j].pattern) ||
12989 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12990 rule->patterns[j].pkt_offset))
12992 nla_nest_end(msg, nl_pat);
12994 nla_nest_end(msg, nl_pats);
12995 nla_nest_end(msg, nl_rule);
12997 nla_nest_end(msg, nl_rules);
13002 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
13004 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13005 struct sk_buff *msg;
13008 if (!rdev->wiphy.coalesce)
13009 return -EOPNOTSUPP;
13011 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13015 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13016 NL80211_CMD_GET_COALESCE);
13018 goto nla_put_failure;
13020 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
13021 goto nla_put_failure;
13023 genlmsg_end(msg, hdr);
13024 return genlmsg_reply(msg, info);
13031 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
13033 struct cfg80211_coalesce *coalesce = rdev->coalesce;
13035 struct cfg80211_coalesce_rules *rule;
13040 for (i = 0; i < coalesce->n_rules; i++) {
13041 rule = &coalesce->rules[i];
13042 for (j = 0; j < rule->n_patterns; j++)
13043 kfree(rule->patterns[j].mask);
13044 kfree(rule->patterns);
13046 kfree(coalesce->rules);
13048 rdev->coalesce = NULL;
13051 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
13052 struct nlattr *rule,
13053 struct cfg80211_coalesce_rules *new_rule)
13056 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13057 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
13058 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
13059 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
13061 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
13062 rule, nl80211_coalesce_policy, NULL);
13066 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
13068 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
13069 if (new_rule->delay > coalesce->max_delay)
13072 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
13073 new_rule->condition =
13074 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
13076 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
13079 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13082 if (n_patterns > coalesce->n_patterns)
13085 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
13087 if (!new_rule->patterns)
13090 new_rule->n_patterns = n_patterns;
13093 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
13097 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
13099 nl80211_packet_pattern_policy,
13104 if (!pat_tb[NL80211_PKTPAT_MASK] ||
13105 !pat_tb[NL80211_PKTPAT_PATTERN])
13107 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
13108 mask_len = DIV_ROUND_UP(pat_len, 8);
13109 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
13111 if (pat_len > coalesce->pattern_max_len ||
13112 pat_len < coalesce->pattern_min_len)
13115 if (!pat_tb[NL80211_PKTPAT_OFFSET])
13118 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
13119 if (pkt_offset > coalesce->max_pkt_offset)
13121 new_rule->patterns[i].pkt_offset = pkt_offset;
13123 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
13127 new_rule->patterns[i].mask = mask_pat;
13128 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
13131 mask_pat += mask_len;
13132 new_rule->patterns[i].pattern = mask_pat;
13133 new_rule->patterns[i].pattern_len = pat_len;
13134 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
13142 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
13144 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13145 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
13146 struct cfg80211_coalesce new_coalesce = {};
13147 struct cfg80211_coalesce *n_coalesce;
13148 int err, rem_rule, n_rules = 0, i, j;
13149 struct nlattr *rule;
13150 struct cfg80211_coalesce_rules *tmp_rule;
13152 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
13153 return -EOPNOTSUPP;
13155 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
13156 cfg80211_rdev_free_coalesce(rdev);
13157 rdev_set_coalesce(rdev, NULL);
13161 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
13164 if (n_rules > coalesce->n_rules)
13167 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
13169 if (!new_coalesce.rules)
13172 new_coalesce.n_rules = n_rules;
13175 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
13177 err = nl80211_parse_coalesce_rule(rdev, rule,
13178 &new_coalesce.rules[i]);
13185 err = rdev_set_coalesce(rdev, &new_coalesce);
13189 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
13194 cfg80211_rdev_free_coalesce(rdev);
13195 rdev->coalesce = n_coalesce;
13199 for (i = 0; i < new_coalesce.n_rules; i++) {
13200 tmp_rule = &new_coalesce.rules[i];
13201 for (j = 0; j < tmp_rule->n_patterns; j++)
13202 kfree(tmp_rule->patterns[j].mask);
13203 kfree(tmp_rule->patterns);
13205 kfree(new_coalesce.rules);
13210 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
13212 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13213 struct net_device *dev = info->user_ptr[1];
13214 struct wireless_dev *wdev = dev->ieee80211_ptr;
13215 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
13216 struct cfg80211_gtk_rekey_data rekey_data = {};
13219 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
13222 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
13223 info->attrs[NL80211_ATTR_REKEY_DATA],
13224 nl80211_rekey_policy, info->extack);
13228 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
13229 !tb[NL80211_REKEY_DATA_KCK])
13231 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
13232 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
13233 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
13235 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
13236 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
13237 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN))
13240 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
13241 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
13242 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
13243 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
13244 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
13245 if (tb[NL80211_REKEY_DATA_AKM])
13246 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
13249 if (!wdev->current_bss) {
13254 if (!rdev->ops->set_rekey_data) {
13259 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
13265 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
13266 struct genl_info *info)
13268 struct net_device *dev = info->user_ptr[1];
13269 struct wireless_dev *wdev = dev->ieee80211_ptr;
13271 if (wdev->iftype != NL80211_IFTYPE_AP &&
13272 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13275 if (wdev->ap_unexpected_nlportid)
13278 wdev->ap_unexpected_nlportid = info->snd_portid;
13282 static int nl80211_probe_client(struct sk_buff *skb,
13283 struct genl_info *info)
13285 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13286 struct net_device *dev = info->user_ptr[1];
13287 struct wireless_dev *wdev = dev->ieee80211_ptr;
13288 struct sk_buff *msg;
13294 if (wdev->iftype != NL80211_IFTYPE_AP &&
13295 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13296 return -EOPNOTSUPP;
13298 if (!info->attrs[NL80211_ATTR_MAC])
13301 if (!rdev->ops->probe_client)
13302 return -EOPNOTSUPP;
13304 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13308 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13309 NL80211_CMD_PROBE_CLIENT);
13315 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13317 err = rdev_probe_client(rdev, dev, addr, &cookie);
13321 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13323 goto nla_put_failure;
13325 genlmsg_end(msg, hdr);
13327 return genlmsg_reply(msg, info);
13336 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
13338 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13339 struct cfg80211_beacon_registration *reg, *nreg;
13342 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
13343 return -EOPNOTSUPP;
13345 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
13349 /* First, check if already registered. */
13350 spin_lock_bh(&rdev->beacon_registrations_lock);
13351 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
13352 if (reg->nlportid == info->snd_portid) {
13357 /* Add it to the list */
13358 nreg->nlportid = info->snd_portid;
13359 list_add(&nreg->list, &rdev->beacon_registrations);
13361 spin_unlock_bh(&rdev->beacon_registrations_lock);
13365 spin_unlock_bh(&rdev->beacon_registrations_lock);
13370 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
13372 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13373 struct wireless_dev *wdev = info->user_ptr[1];
13376 if (!rdev->ops->start_p2p_device)
13377 return -EOPNOTSUPP;
13379 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13380 return -EOPNOTSUPP;
13382 if (wdev_running(wdev))
13385 if (rfkill_blocked(rdev->wiphy.rfkill))
13388 err = rdev_start_p2p_device(rdev, wdev);
13392 wdev->is_running = true;
13398 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
13400 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13401 struct wireless_dev *wdev = info->user_ptr[1];
13403 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13404 return -EOPNOTSUPP;
13406 if (!rdev->ops->stop_p2p_device)
13407 return -EOPNOTSUPP;
13409 cfg80211_stop_p2p_device(rdev, wdev);
13414 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
13416 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13417 struct wireless_dev *wdev = info->user_ptr[1];
13418 struct cfg80211_nan_conf conf = {};
13421 if (wdev->iftype != NL80211_IFTYPE_NAN)
13422 return -EOPNOTSUPP;
13424 if (wdev_running(wdev))
13427 if (rfkill_blocked(rdev->wiphy.rfkill))
13430 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
13434 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13436 if (info->attrs[NL80211_ATTR_BANDS]) {
13437 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13439 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13440 return -EOPNOTSUPP;
13442 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13445 conf.bands = bands;
13448 err = rdev_start_nan(rdev, wdev, &conf);
13452 wdev->is_running = true;
13458 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
13460 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13461 struct wireless_dev *wdev = info->user_ptr[1];
13463 if (wdev->iftype != NL80211_IFTYPE_NAN)
13464 return -EOPNOTSUPP;
13466 cfg80211_stop_nan(rdev, wdev);
13471 static int validate_nan_filter(struct nlattr *filter_attr)
13473 struct nlattr *attr;
13474 int len = 0, n_entries = 0, rem;
13476 nla_for_each_nested(attr, filter_attr, rem) {
13477 len += nla_len(attr);
13487 static int handle_nan_filter(struct nlattr *attr_filter,
13488 struct cfg80211_nan_func *func,
13491 struct nlattr *attr;
13492 int n_entries, rem, i;
13493 struct cfg80211_nan_func_filter *filter;
13495 n_entries = validate_nan_filter(attr_filter);
13499 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
13501 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
13506 nla_for_each_nested(attr, attr_filter, rem) {
13507 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
13508 if (!filter[i].filter)
13511 filter[i].len = nla_len(attr);
13515 func->num_tx_filters = n_entries;
13516 func->tx_filters = filter;
13518 func->num_rx_filters = n_entries;
13519 func->rx_filters = filter;
13526 nla_for_each_nested(attr, attr_filter, rem) {
13527 kfree(filter[i].filter);
13534 static int nl80211_nan_add_func(struct sk_buff *skb,
13535 struct genl_info *info)
13537 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13538 struct wireless_dev *wdev = info->user_ptr[1];
13539 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
13540 struct cfg80211_nan_func *func;
13541 struct sk_buff *msg = NULL;
13545 if (wdev->iftype != NL80211_IFTYPE_NAN)
13546 return -EOPNOTSUPP;
13548 if (!wdev_running(wdev))
13551 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
13554 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
13555 info->attrs[NL80211_ATTR_NAN_FUNC],
13556 nl80211_nan_func_policy,
13561 func = kzalloc(sizeof(*func), GFP_KERNEL);
13565 func->cookie = cfg80211_assign_cookie(rdev);
13567 if (!tb[NL80211_NAN_FUNC_TYPE]) {
13573 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
13575 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
13580 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
13581 sizeof(func->service_id));
13583 func->close_range =
13584 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
13586 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
13587 func->serv_spec_info_len =
13588 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
13589 func->serv_spec_info =
13590 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
13591 func->serv_spec_info_len,
13593 if (!func->serv_spec_info) {
13599 if (tb[NL80211_NAN_FUNC_TTL])
13600 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
13602 switch (func->type) {
13603 case NL80211_NAN_FUNC_PUBLISH:
13604 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
13609 func->publish_type =
13610 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
13611 func->publish_bcast =
13612 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
13614 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
13615 func->publish_bcast) {
13620 case NL80211_NAN_FUNC_SUBSCRIBE:
13621 func->subscribe_active =
13622 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
13624 case NL80211_NAN_FUNC_FOLLOW_UP:
13625 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
13626 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
13627 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
13632 func->followup_id =
13633 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
13634 func->followup_reqid =
13635 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
13636 memcpy(func->followup_dest.addr,
13637 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
13638 sizeof(func->followup_dest.addr));
13649 if (tb[NL80211_NAN_FUNC_SRF]) {
13650 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
13652 err = nla_parse_nested_deprecated(srf_tb,
13653 NL80211_NAN_SRF_ATTR_MAX,
13654 tb[NL80211_NAN_FUNC_SRF],
13655 nl80211_nan_srf_policy,
13660 func->srf_include =
13661 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
13663 if (srf_tb[NL80211_NAN_SRF_BF]) {
13664 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
13665 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
13671 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
13673 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
13674 func->srf_bf_len, GFP_KERNEL);
13675 if (!func->srf_bf) {
13681 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
13683 struct nlattr *attr, *mac_attr =
13684 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
13685 int n_entries, rem, i = 0;
13692 n_entries = validate_acl_mac_addrs(mac_attr);
13693 if (n_entries <= 0) {
13698 func->srf_num_macs = n_entries;
13700 kcalloc(n_entries, sizeof(*func->srf_macs),
13702 if (!func->srf_macs) {
13707 nla_for_each_nested(attr, mac_attr, rem)
13708 memcpy(func->srf_macs[i++].addr, nla_data(attr),
13709 sizeof(*func->srf_macs));
13713 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
13714 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
13720 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
13721 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
13727 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13733 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13734 NL80211_CMD_ADD_NAN_FUNCTION);
13735 /* This can't really happen - we just allocated 4KB */
13736 if (WARN_ON(!hdr)) {
13741 err = rdev_add_nan_func(rdev, wdev, func);
13744 cfg80211_free_nan_func(func);
13749 /* propagate the instance id and cookie to userspace */
13750 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
13752 goto nla_put_failure;
13754 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13756 goto nla_put_failure;
13758 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
13759 func->instance_id))
13760 goto nla_put_failure;
13762 nla_nest_end(msg, func_attr);
13764 genlmsg_end(msg, hdr);
13765 return genlmsg_reply(msg, info);
13772 static int nl80211_nan_del_func(struct sk_buff *skb,
13773 struct genl_info *info)
13775 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13776 struct wireless_dev *wdev = info->user_ptr[1];
13779 if (wdev->iftype != NL80211_IFTYPE_NAN)
13780 return -EOPNOTSUPP;
13782 if (!wdev_running(wdev))
13785 if (!info->attrs[NL80211_ATTR_COOKIE])
13788 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
13790 rdev_del_nan_func(rdev, wdev, cookie);
13795 static int nl80211_nan_change_config(struct sk_buff *skb,
13796 struct genl_info *info)
13798 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13799 struct wireless_dev *wdev = info->user_ptr[1];
13800 struct cfg80211_nan_conf conf = {};
13803 if (wdev->iftype != NL80211_IFTYPE_NAN)
13804 return -EOPNOTSUPP;
13806 if (!wdev_running(wdev))
13809 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
13811 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13812 if (conf.master_pref <= 1 || conf.master_pref == 255)
13815 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
13818 if (info->attrs[NL80211_ATTR_BANDS]) {
13819 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13821 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13822 return -EOPNOTSUPP;
13824 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13827 conf.bands = bands;
13828 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
13834 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
13837 void cfg80211_nan_match(struct wireless_dev *wdev,
13838 struct cfg80211_nan_match_params *match, gfp_t gfp)
13840 struct wiphy *wiphy = wdev->wiphy;
13841 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13842 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
13843 struct sk_buff *msg;
13846 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
13849 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13853 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
13859 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13860 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13861 wdev->netdev->ifindex)) ||
13862 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13864 goto nla_put_failure;
13866 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
13867 NL80211_ATTR_PAD) ||
13868 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
13869 goto nla_put_failure;
13871 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
13873 goto nla_put_failure;
13875 local_func_attr = nla_nest_start_noflag(msg,
13876 NL80211_NAN_MATCH_FUNC_LOCAL);
13877 if (!local_func_attr)
13878 goto nla_put_failure;
13880 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
13881 goto nla_put_failure;
13883 nla_nest_end(msg, local_func_attr);
13885 peer_func_attr = nla_nest_start_noflag(msg,
13886 NL80211_NAN_MATCH_FUNC_PEER);
13887 if (!peer_func_attr)
13888 goto nla_put_failure;
13890 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
13891 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
13892 goto nla_put_failure;
13894 if (match->info && match->info_len &&
13895 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
13897 goto nla_put_failure;
13899 nla_nest_end(msg, peer_func_attr);
13900 nla_nest_end(msg, match_attr);
13901 genlmsg_end(msg, hdr);
13903 if (!wdev->owner_nlportid)
13904 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13905 msg, 0, NL80211_MCGRP_NAN, gfp);
13907 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13908 wdev->owner_nlportid);
13915 EXPORT_SYMBOL(cfg80211_nan_match);
13917 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
13919 enum nl80211_nan_func_term_reason reason,
13920 u64 cookie, gfp_t gfp)
13922 struct wiphy *wiphy = wdev->wiphy;
13923 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13924 struct sk_buff *msg;
13925 struct nlattr *func_attr;
13928 if (WARN_ON(!inst_id))
13931 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13935 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
13941 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13942 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13943 wdev->netdev->ifindex)) ||
13944 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13946 goto nla_put_failure;
13948 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13950 goto nla_put_failure;
13952 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13954 goto nla_put_failure;
13956 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
13957 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
13958 goto nla_put_failure;
13960 nla_nest_end(msg, func_attr);
13961 genlmsg_end(msg, hdr);
13963 if (!wdev->owner_nlportid)
13964 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13965 msg, 0, NL80211_MCGRP_NAN, gfp);
13967 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13968 wdev->owner_nlportid);
13975 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
13977 static int nl80211_get_protocol_features(struct sk_buff *skb,
13978 struct genl_info *info)
13981 struct sk_buff *msg;
13983 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13987 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13988 NL80211_CMD_GET_PROTOCOL_FEATURES);
13990 goto nla_put_failure;
13992 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
13993 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
13994 goto nla_put_failure;
13996 genlmsg_end(msg, hdr);
13997 return genlmsg_reply(msg, info);
14004 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
14006 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14007 struct cfg80211_update_ft_ies_params ft_params;
14008 struct net_device *dev = info->user_ptr[1];
14010 if (!rdev->ops->update_ft_ies)
14011 return -EOPNOTSUPP;
14013 if (!info->attrs[NL80211_ATTR_MDID] ||
14014 !info->attrs[NL80211_ATTR_IE])
14017 memset(&ft_params, 0, sizeof(ft_params));
14018 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
14019 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14020 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14022 return rdev_update_ft_ies(rdev, dev, &ft_params);
14025 static int nl80211_crit_protocol_start(struct sk_buff *skb,
14026 struct genl_info *info)
14028 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14029 struct wireless_dev *wdev = info->user_ptr[1];
14030 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
14034 if (!rdev->ops->crit_proto_start)
14035 return -EOPNOTSUPP;
14037 if (WARN_ON(!rdev->ops->crit_proto_stop))
14040 if (rdev->crit_proto_nlportid)
14043 /* determine protocol if provided */
14044 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
14045 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
14047 if (proto >= NUM_NL80211_CRIT_PROTO)
14050 /* timeout must be provided */
14051 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
14055 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
14057 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
14059 rdev->crit_proto_nlportid = info->snd_portid;
14064 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
14065 struct genl_info *info)
14067 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14068 struct wireless_dev *wdev = info->user_ptr[1];
14070 if (!rdev->ops->crit_proto_stop)
14071 return -EOPNOTSUPP;
14073 if (rdev->crit_proto_nlportid) {
14074 rdev->crit_proto_nlportid = 0;
14075 rdev_crit_proto_stop(rdev, wdev);
14080 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
14081 struct nlattr *attr,
14082 struct netlink_ext_ack *extack)
14084 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
14085 if (attr->nla_type & NLA_F_NESTED) {
14086 NL_SET_ERR_MSG_ATTR(extack, attr,
14087 "unexpected nested data");
14094 if (!(attr->nla_type & NLA_F_NESTED)) {
14095 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
14099 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
14102 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
14104 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14105 struct wireless_dev *wdev =
14106 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
14111 if (!rdev->wiphy.vendor_commands)
14112 return -EOPNOTSUPP;
14114 if (IS_ERR(wdev)) {
14115 err = PTR_ERR(wdev);
14116 if (err != -EINVAL)
14119 } else if (wdev->wiphy != &rdev->wiphy) {
14123 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
14124 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
14127 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
14128 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
14129 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
14130 const struct wiphy_vendor_command *vcmd;
14134 vcmd = &rdev->wiphy.vendor_commands[i];
14136 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
14139 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
14140 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
14143 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
14147 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
14148 if (!wdev_running(wdev))
14156 return -EOPNOTSUPP;
14158 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
14159 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
14160 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
14162 err = nl80211_vendor_check_policy(vcmd,
14163 info->attrs[NL80211_ATTR_VENDOR_DATA],
14169 rdev->cur_cmd_info = info;
14170 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
14171 rdev->cur_cmd_info = NULL;
14175 return -EOPNOTSUPP;
14178 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
14179 struct netlink_callback *cb,
14180 struct cfg80211_registered_device **rdev,
14181 struct wireless_dev **wdev)
14183 struct nlattr **attrbuf;
14189 unsigned int data_len = 0;
14192 /* subtract the 1 again here */
14193 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
14194 struct wireless_dev *tmp;
14198 *rdev = wiphy_to_rdev(wiphy);
14202 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
14203 if (tmp->identifier == cb->args[1] - 1) {
14210 /* keep rtnl locked in successful case */
14214 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
14218 err = nlmsg_parse_deprecated(cb->nlh,
14219 GENL_HDRLEN + nl80211_fam.hdrsize,
14220 attrbuf, nl80211_fam.maxattr,
14221 nl80211_policy, NULL);
14225 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
14226 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
14231 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
14235 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
14236 if (IS_ERR(*rdev)) {
14237 err = PTR_ERR(*rdev);
14241 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
14242 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
14244 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
14245 const struct wiphy_vendor_command *vcmd;
14247 vcmd = &(*rdev)->wiphy.vendor_commands[i];
14249 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
14252 if (!vcmd->dumpit) {
14261 if (vcmd_idx < 0) {
14266 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
14267 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
14268 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
14270 err = nl80211_vendor_check_policy(
14271 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
14272 attrbuf[NL80211_ATTR_VENDOR_DATA],
14278 /* 0 is the first index - add 1 to parse only once */
14279 cb->args[0] = (*rdev)->wiphy_idx + 1;
14280 /* add 1 to know if it was NULL */
14281 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
14282 cb->args[2] = vcmd_idx;
14283 cb->args[3] = (unsigned long)data;
14284 cb->args[4] = data_len;
14286 /* keep rtnl locked in successful case */
14293 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
14294 struct netlink_callback *cb)
14296 struct cfg80211_registered_device *rdev;
14297 struct wireless_dev *wdev;
14298 unsigned int vcmd_idx;
14299 const struct wiphy_vendor_command *vcmd;
14303 struct nlattr *vendor_data;
14306 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
14310 vcmd_idx = cb->args[2];
14311 data = (void *)cb->args[3];
14312 data_len = cb->args[4];
14313 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
14315 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
14316 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
14321 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
14327 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
14328 if (!wdev_running(wdev)) {
14336 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
14337 cb->nlh->nlmsg_seq, NLM_F_MULTI,
14338 NL80211_CMD_VENDOR);
14342 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14343 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
14345 NL80211_ATTR_PAD))) {
14346 genlmsg_cancel(skb, hdr);
14350 vendor_data = nla_nest_start_noflag(skb,
14351 NL80211_ATTR_VENDOR_DATA);
14352 if (!vendor_data) {
14353 genlmsg_cancel(skb, hdr);
14357 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
14358 (unsigned long *)&cb->args[5]);
14359 nla_nest_end(skb, vendor_data);
14361 if (err == -ENOBUFS || err == -ENOENT) {
14362 genlmsg_cancel(skb, hdr);
14364 } else if (err <= 0) {
14365 genlmsg_cancel(skb, hdr);
14369 genlmsg_end(skb, hdr);
14378 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
14379 enum nl80211_commands cmd,
14380 enum nl80211_attrs attr,
14383 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14385 if (WARN_ON(!rdev->cur_cmd_info))
14388 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
14389 rdev->cur_cmd_info->snd_portid,
14390 rdev->cur_cmd_info->snd_seq,
14391 cmd, attr, NULL, GFP_KERNEL);
14393 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
14395 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
14397 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
14398 void *hdr = ((void **)skb->cb)[1];
14399 struct nlattr *data = ((void **)skb->cb)[2];
14401 /* clear CB data for netlink core to own from now on */
14402 memset(skb->cb, 0, sizeof(skb->cb));
14404 if (WARN_ON(!rdev->cur_cmd_info)) {
14409 nla_nest_end(skb, data);
14410 genlmsg_end(skb, hdr);
14411 return genlmsg_reply(skb, rdev->cur_cmd_info);
14413 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
14415 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
14417 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14419 if (WARN_ON(!rdev->cur_cmd_info))
14422 return rdev->cur_cmd_info->snd_portid;
14424 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
14426 static int nl80211_set_qos_map(struct sk_buff *skb,
14427 struct genl_info *info)
14429 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14430 struct cfg80211_qos_map *qos_map = NULL;
14431 struct net_device *dev = info->user_ptr[1];
14432 u8 *pos, len, num_des, des_len, des;
14435 if (!rdev->ops->set_qos_map)
14436 return -EOPNOTSUPP;
14438 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
14439 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
14440 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
14445 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
14449 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
14451 des_len = num_des *
14452 sizeof(struct cfg80211_dscp_exception);
14453 memcpy(qos_map->dscp_exception, pos, des_len);
14454 qos_map->num_des = num_des;
14455 for (des = 0; des < num_des; des++) {
14456 if (qos_map->dscp_exception[des].up > 7) {
14463 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
14466 wdev_lock(dev->ieee80211_ptr);
14467 ret = nl80211_key_allowed(dev->ieee80211_ptr);
14469 ret = rdev_set_qos_map(rdev, dev, qos_map);
14470 wdev_unlock(dev->ieee80211_ptr);
14476 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
14478 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14479 struct net_device *dev = info->user_ptr[1];
14480 struct wireless_dev *wdev = dev->ieee80211_ptr;
14483 u16 admitted_time = 0;
14486 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
14487 return -EOPNOTSUPP;
14489 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
14490 !info->attrs[NL80211_ATTR_USER_PRIO])
14493 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14494 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
14496 /* WMM uses TIDs 0-7 even for TSPEC */
14497 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
14498 /* TODO: handle 802.11 TSPEC/admission control
14499 * need more attributes for that (e.g. BA session requirement);
14500 * change the WMM adminssion test above to allow both then
14505 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14507 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
14509 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
14510 if (!admitted_time)
14515 switch (wdev->iftype) {
14516 case NL80211_IFTYPE_STATION:
14517 case NL80211_IFTYPE_P2P_CLIENT:
14518 if (wdev->current_bss)
14527 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
14534 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
14536 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14537 struct net_device *dev = info->user_ptr[1];
14538 struct wireless_dev *wdev = dev->ieee80211_ptr;
14543 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
14546 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14547 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14550 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
14556 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
14557 struct genl_info *info)
14559 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14560 struct net_device *dev = info->user_ptr[1];
14561 struct wireless_dev *wdev = dev->ieee80211_ptr;
14562 struct cfg80211_chan_def chandef = {};
14567 if (!rdev->ops->tdls_channel_switch ||
14568 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14569 return -EOPNOTSUPP;
14571 switch (dev->ieee80211_ptr->iftype) {
14572 case NL80211_IFTYPE_STATION:
14573 case NL80211_IFTYPE_P2P_CLIENT:
14576 return -EOPNOTSUPP;
14579 if (!info->attrs[NL80211_ATTR_MAC] ||
14580 !info->attrs[NL80211_ATTR_OPER_CLASS])
14583 err = nl80211_parse_chandef(rdev, info, &chandef);
14588 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
14589 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
14590 * specification is not defined for them.
14592 if (chandef.chan->band == NL80211_BAND_2GHZ &&
14593 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
14594 chandef.width != NL80211_CHAN_WIDTH_20)
14597 /* we will be active on the TDLS link */
14598 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
14602 /* don't allow switching to DFS channels */
14603 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
14606 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14607 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
14610 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
14616 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
14617 struct genl_info *info)
14619 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14620 struct net_device *dev = info->user_ptr[1];
14621 struct wireless_dev *wdev = dev->ieee80211_ptr;
14624 if (!rdev->ops->tdls_channel_switch ||
14625 !rdev->ops->tdls_cancel_channel_switch ||
14626 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14627 return -EOPNOTSUPP;
14629 switch (dev->ieee80211_ptr->iftype) {
14630 case NL80211_IFTYPE_STATION:
14631 case NL80211_IFTYPE_P2P_CLIENT:
14634 return -EOPNOTSUPP;
14637 if (!info->attrs[NL80211_ATTR_MAC])
14640 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14643 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
14649 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
14650 struct genl_info *info)
14652 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14653 struct net_device *dev = info->user_ptr[1];
14654 struct wireless_dev *wdev = dev->ieee80211_ptr;
14655 const struct nlattr *nla;
14658 if (!rdev->ops->set_multicast_to_unicast)
14659 return -EOPNOTSUPP;
14661 if (wdev->iftype != NL80211_IFTYPE_AP &&
14662 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14663 return -EOPNOTSUPP;
14665 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
14666 enabled = nla_get_flag(nla);
14668 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
14671 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
14673 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14674 struct net_device *dev = info->user_ptr[1];
14675 struct wireless_dev *wdev = dev->ieee80211_ptr;
14676 struct cfg80211_pmk_conf pmk_conf = {};
14679 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14680 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14681 return -EOPNOTSUPP;
14683 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14684 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14685 return -EOPNOTSUPP;
14687 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
14691 if (!wdev->current_bss) {
14696 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14697 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
14702 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
14703 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
14704 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
14705 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
14710 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
14711 pmk_conf.pmk_r0_name =
14712 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
14714 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
14720 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
14722 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14723 struct net_device *dev = info->user_ptr[1];
14724 struct wireless_dev *wdev = dev->ieee80211_ptr;
14728 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14729 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14730 return -EOPNOTSUPP;
14732 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14733 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14734 return -EOPNOTSUPP;
14736 if (!info->attrs[NL80211_ATTR_MAC])
14740 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14741 ret = rdev_del_pmk(rdev, dev, aa);
14747 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
14749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14750 struct net_device *dev = info->user_ptr[1];
14751 struct cfg80211_external_auth_params params;
14753 if (!rdev->ops->external_auth)
14754 return -EOPNOTSUPP;
14756 if (!info->attrs[NL80211_ATTR_SSID] &&
14757 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
14758 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
14761 if (!info->attrs[NL80211_ATTR_BSSID])
14764 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
14767 memset(¶ms, 0, sizeof(params));
14769 if (info->attrs[NL80211_ATTR_SSID]) {
14770 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
14771 if (params.ssid.ssid_len == 0)
14773 memcpy(params.ssid.ssid,
14774 nla_data(info->attrs[NL80211_ATTR_SSID]),
14775 params.ssid.ssid_len);
14778 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
14781 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14783 if (info->attrs[NL80211_ATTR_PMKID])
14784 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
14786 return rdev_external_auth(rdev, dev, ¶ms);
14789 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
14791 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
14792 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14793 struct net_device *dev = info->user_ptr[1];
14794 struct wireless_dev *wdev = dev->ieee80211_ptr;
14803 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14804 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
14805 return -EOPNOTSUPP;
14807 if (!rdev->ops->tx_control_port)
14808 return -EOPNOTSUPP;
14810 if (!info->attrs[NL80211_ATTR_FRAME] ||
14811 !info->attrs[NL80211_ATTR_MAC] ||
14812 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
14813 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
14819 switch (wdev->iftype) {
14820 case NL80211_IFTYPE_AP:
14821 case NL80211_IFTYPE_P2P_GO:
14822 case NL80211_IFTYPE_MESH_POINT:
14824 case NL80211_IFTYPE_ADHOC:
14825 case NL80211_IFTYPE_STATION:
14826 case NL80211_IFTYPE_P2P_CLIENT:
14827 if (wdev->current_bss)
14838 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14839 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14840 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14841 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
14843 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
14845 err = rdev_tx_control_port(rdev, dev, buf, len,
14846 dest, cpu_to_be16(proto), noencrypt,
14847 dont_wait_for_ack ? NULL : &cookie);
14848 if (!err && !dont_wait_for_ack)
14849 nl_set_extack_cookie_u64(info->extack, cookie);
14856 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
14857 struct genl_info *info)
14859 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14860 struct net_device *dev = info->user_ptr[1];
14861 struct wireless_dev *wdev = dev->ieee80211_ptr;
14862 struct cfg80211_ftm_responder_stats ftm_stats = {};
14863 struct sk_buff *msg;
14865 struct nlattr *ftm_stats_attr;
14868 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
14869 return -EOPNOTSUPP;
14871 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
14875 if (!ftm_stats.filled)
14878 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14882 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14883 NL80211_CMD_GET_FTM_RESPONDER_STATS);
14885 goto nla_put_failure;
14887 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
14888 goto nla_put_failure;
14890 ftm_stats_attr = nla_nest_start_noflag(msg,
14891 NL80211_ATTR_FTM_RESPONDER_STATS);
14892 if (!ftm_stats_attr)
14893 goto nla_put_failure;
14895 #define SET_FTM(field, name, type) \
14896 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14897 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
14898 ftm_stats.field)) \
14899 goto nla_put_failure; } while (0)
14900 #define SET_FTM_U64(field, name) \
14901 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14902 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
14903 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
14904 goto nla_put_failure; } while (0)
14906 SET_FTM(success_num, SUCCESS_NUM, u32);
14907 SET_FTM(partial_num, PARTIAL_NUM, u32);
14908 SET_FTM(failed_num, FAILED_NUM, u32);
14909 SET_FTM(asap_num, ASAP_NUM, u32);
14910 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
14911 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
14912 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
14913 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
14914 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
14917 nla_nest_end(msg, ftm_stats_attr);
14919 genlmsg_end(msg, hdr);
14920 return genlmsg_reply(msg, info);
14927 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
14929 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14930 struct cfg80211_update_owe_info owe_info;
14931 struct net_device *dev = info->user_ptr[1];
14933 if (!rdev->ops->update_owe_info)
14934 return -EOPNOTSUPP;
14936 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
14937 !info->attrs[NL80211_ATTR_MAC])
14940 memset(&owe_info, 0, sizeof(owe_info));
14941 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14942 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
14944 if (info->attrs[NL80211_ATTR_IE]) {
14945 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14946 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14949 return rdev_update_owe_info(rdev, dev, &owe_info);
14952 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
14954 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14955 struct net_device *dev = info->user_ptr[1];
14956 struct wireless_dev *wdev = dev->ieee80211_ptr;
14957 struct station_info sinfo = {};
14963 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
14964 return -EOPNOTSUPP;
14966 if (!info->attrs[NL80211_ATTR_MAC] ||
14967 !info->attrs[NL80211_ATTR_FRAME]) {
14968 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
14972 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
14973 return -EOPNOTSUPP;
14975 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14976 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14977 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14979 if (len < sizeof(struct ethhdr))
14982 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
14983 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
14986 err = rdev_get_station(rdev, dev, dest, &sinfo);
14990 cfg80211_sinfo_release_content(&sinfo);
14992 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
14995 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
14996 struct nlattr *attrs[], struct net_device *dev,
14997 struct cfg80211_tid_cfg *tid_conf,
14998 struct genl_info *info, const u8 *peer)
15000 struct netlink_ext_ack *extack = info->extack;
15004 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
15007 tid_conf->config_override =
15008 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
15009 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
15011 if (tid_conf->config_override) {
15012 if (rdev->ops->reset_tid_config) {
15013 err = rdev_reset_tid_config(rdev, dev, peer,
15022 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
15023 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
15025 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
15028 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
15029 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
15030 tid_conf->retry_short =
15031 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
15033 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
15037 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
15038 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
15039 tid_conf->retry_long =
15040 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
15042 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
15046 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
15047 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
15049 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
15052 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
15053 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
15055 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
15058 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
15059 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
15061 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
15064 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
15065 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
15067 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
15069 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
15070 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
15071 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
15072 &tid_conf->txrate_mask, dev,
15077 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
15079 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
15083 mask = rdev->wiphy.tid_config_support.peer;
15085 mask = rdev->wiphy.tid_config_support.vif;
15087 if (tid_conf->mask & ~mask) {
15088 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
15095 static int nl80211_set_tid_config(struct sk_buff *skb,
15096 struct genl_info *info)
15098 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15099 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
15100 struct net_device *dev = info->user_ptr[1];
15101 struct cfg80211_tid_config *tid_config;
15102 struct nlattr *tid;
15103 int conf_idx = 0, rem_conf;
15107 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
15110 if (!rdev->ops->set_tid_config)
15111 return -EOPNOTSUPP;
15113 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15117 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
15122 tid_config->n_tid_conf = num_conf;
15124 if (info->attrs[NL80211_ATTR_MAC])
15125 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
15127 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
15129 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
15135 ret = parse_tid_conf(rdev, attrs, dev,
15136 &tid_config->tid_conf[conf_idx],
15137 info, tid_config->peer);
15144 ret = rdev_set_tid_config(rdev, dev, tid_config);
15151 static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info)
15153 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15154 struct cfg80211_color_change_settings params = {};
15155 struct net_device *dev = info->user_ptr[1];
15156 struct wireless_dev *wdev = dev->ieee80211_ptr;
15157 struct nlattr **tb;
15161 if (!rdev->ops->color_change)
15162 return -EOPNOTSUPP;
15164 if (!wiphy_ext_feature_isset(&rdev->wiphy,
15165 NL80211_EXT_FEATURE_BSS_COLOR))
15166 return -EOPNOTSUPP;
15168 if (wdev->iftype != NL80211_IFTYPE_AP)
15169 return -EOPNOTSUPP;
15171 if (!info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT] ||
15172 !info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR] ||
15173 !info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS])
15176 params.count = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT]);
15177 params.color = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR]);
15179 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_next);
15183 tb = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*tb), GFP_KERNEL);
15187 err = nla_parse_nested(tb, NL80211_ATTR_MAX,
15188 info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS],
15189 nl80211_policy, info->extack);
15193 err = nl80211_parse_beacon(rdev, tb, ¶ms.beacon_color_change);
15197 if (!tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
15202 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) != sizeof(u16)) {
15207 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
15208 if (offset >= params.beacon_color_change.tail_len) {
15213 if (params.beacon_color_change.tail[offset] != params.count) {
15218 params.counter_offset_beacon = offset;
15220 if (tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
15221 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) !=
15227 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
15228 if (offset >= params.beacon_color_change.probe_resp_len) {
15233 if (params.beacon_color_change.probe_resp[offset] !=
15239 params.counter_offset_presp = offset;
15243 err = rdev_color_change(rdev, dev, ¶ms);
15247 kfree(params.beacon_next.mbssid_ies);
15248 kfree(params.beacon_color_change.mbssid_ies);
15253 static int nl80211_set_fils_aad(struct sk_buff *skb,
15254 struct genl_info *info)
15256 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15257 struct net_device *dev = info->user_ptr[1];
15258 struct cfg80211_fils_aad fils_aad = {};
15261 if (!info->attrs[NL80211_ATTR_MAC] ||
15262 !info->attrs[NL80211_ATTR_FILS_KEK] ||
15263 !info->attrs[NL80211_ATTR_FILS_NONCES])
15266 fils_aad.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
15267 fils_aad.kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
15268 fils_aad.kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
15269 nonces = nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
15270 fils_aad.snonce = nonces;
15271 fils_aad.anonce = nonces + FILS_NONCE_LEN;
15273 return rdev_set_fils_aad(rdev, dev, &fils_aad);
15276 #define NL80211_FLAG_NEED_WIPHY 0x01
15277 #define NL80211_FLAG_NEED_NETDEV 0x02
15278 #define NL80211_FLAG_NEED_RTNL 0x04
15279 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
15280 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
15281 NL80211_FLAG_CHECK_NETDEV_UP)
15282 #define NL80211_FLAG_NEED_WDEV 0x10
15283 /* If a netdev is associated, it must be UP, P2P must be started */
15284 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
15285 NL80211_FLAG_CHECK_NETDEV_UP)
15286 #define NL80211_FLAG_CLEAR_SKB 0x20
15287 #define NL80211_FLAG_NO_WIPHY_MTX 0x40
15289 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
15290 struct genl_info *info)
15292 struct cfg80211_registered_device *rdev = NULL;
15293 struct wireless_dev *wdev;
15294 struct net_device *dev;
15297 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
15298 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
15299 if (IS_ERR(rdev)) {
15301 return PTR_ERR(rdev);
15303 info->user_ptr[0] = rdev;
15304 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
15305 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
15306 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
15308 if (IS_ERR(wdev)) {
15310 return PTR_ERR(wdev);
15313 dev = wdev->netdev;
15314 rdev = wiphy_to_rdev(wdev->wiphy);
15316 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
15322 info->user_ptr[1] = dev;
15324 info->user_ptr[1] = wdev;
15327 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
15328 !wdev_running(wdev)) {
15334 info->user_ptr[0] = rdev;
15337 if (rdev && !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
15338 wiphy_lock(&rdev->wiphy);
15339 /* we keep the mutex locked until post_doit */
15340 __release(&rdev->wiphy.mtx);
15342 if (!(ops->internal_flags & NL80211_FLAG_NEED_RTNL))
15348 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
15349 struct genl_info *info)
15351 if (info->user_ptr[1]) {
15352 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
15353 struct wireless_dev *wdev = info->user_ptr[1];
15355 dev_put(wdev->netdev);
15357 dev_put(info->user_ptr[1]);
15361 if (info->user_ptr[0] &&
15362 !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
15363 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15365 /* we kept the mutex locked since pre_doit */
15366 __acquire(&rdev->wiphy.mtx);
15367 wiphy_unlock(&rdev->wiphy);
15370 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
15373 /* If needed, clear the netlink message payload from the SKB
15374 * as it might contain key data that shouldn't stick around on
15375 * the heap after the SKB is freed. The netlink message header
15376 * is still needed for further processing, so leave it intact.
15378 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
15379 struct nlmsghdr *nlh = nlmsg_hdr(skb);
15381 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
15385 static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
15386 struct cfg80211_sar_specs *sar_specs,
15387 struct nlattr *spec[], int index)
15389 u32 range_index, i;
15391 if (!sar_specs || !spec)
15394 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
15395 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
15398 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
15400 /* check if range_index exceeds num_freq_ranges */
15401 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
15404 /* check if range_index duplicates */
15405 for (i = 0; i < index; i++) {
15406 if (sar_specs->sub_specs[i].freq_range_index == range_index)
15410 sar_specs->sub_specs[index].power =
15411 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
15413 sar_specs->sub_specs[index].freq_range_index = range_index;
15418 static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
15420 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15421 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
15422 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
15423 struct cfg80211_sar_specs *sar_spec;
15424 enum nl80211_sar_type type;
15425 struct nlattr *spec_list;
15429 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
15430 return -EOPNOTSUPP;
15432 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
15435 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
15436 info->attrs[NL80211_ATTR_SAR_SPEC],
15439 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
15442 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
15443 if (type != rdev->wiphy.sar_capa->type)
15447 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
15450 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
15453 sar_spec = kzalloc(struct_size(sar_spec, sub_specs, specs), GFP_KERNEL);
15457 sar_spec->type = type;
15459 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
15460 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
15461 spec_list, NULL, NULL);
15464 case NL80211_SAR_TYPE_POWER:
15465 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
15478 sar_spec->num_sub_specs = specs;
15480 rdev->cur_cmd_info = info;
15481 err = rdev_set_sar_specs(rdev, sar_spec);
15482 rdev->cur_cmd_info = NULL;
15488 static const struct genl_ops nl80211_ops[] = {
15490 .cmd = NL80211_CMD_GET_WIPHY,
15491 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15492 .doit = nl80211_get_wiphy,
15493 .dumpit = nl80211_dump_wiphy,
15494 .done = nl80211_dump_wiphy_done,
15495 /* can be retrieved by unprivileged users */
15496 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15500 static const struct genl_small_ops nl80211_small_ops[] = {
15502 .cmd = NL80211_CMD_SET_WIPHY,
15503 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15504 .doit = nl80211_set_wiphy,
15505 .flags = GENL_UNS_ADMIN_PERM,
15508 .cmd = NL80211_CMD_GET_INTERFACE,
15509 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15510 .doit = nl80211_get_interface,
15511 .dumpit = nl80211_dump_interface,
15512 /* can be retrieved by unprivileged users */
15513 .internal_flags = NL80211_FLAG_NEED_WDEV,
15516 .cmd = NL80211_CMD_SET_INTERFACE,
15517 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15518 .doit = nl80211_set_interface,
15519 .flags = GENL_UNS_ADMIN_PERM,
15520 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15521 NL80211_FLAG_NEED_RTNL,
15524 .cmd = NL80211_CMD_NEW_INTERFACE,
15525 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15526 .doit = nl80211_new_interface,
15527 .flags = GENL_UNS_ADMIN_PERM,
15528 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15529 NL80211_FLAG_NEED_RTNL |
15530 /* we take the wiphy mutex later ourselves */
15531 NL80211_FLAG_NO_WIPHY_MTX,
15534 .cmd = NL80211_CMD_DEL_INTERFACE,
15535 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15536 .doit = nl80211_del_interface,
15537 .flags = GENL_UNS_ADMIN_PERM,
15538 .internal_flags = NL80211_FLAG_NEED_WDEV |
15539 NL80211_FLAG_NEED_RTNL,
15542 .cmd = NL80211_CMD_GET_KEY,
15543 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15544 .doit = nl80211_get_key,
15545 .flags = GENL_UNS_ADMIN_PERM,
15546 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15549 .cmd = NL80211_CMD_SET_KEY,
15550 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15551 .doit = nl80211_set_key,
15552 .flags = GENL_UNS_ADMIN_PERM,
15553 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15554 NL80211_FLAG_CLEAR_SKB,
15557 .cmd = NL80211_CMD_NEW_KEY,
15558 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15559 .doit = nl80211_new_key,
15560 .flags = GENL_UNS_ADMIN_PERM,
15561 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15562 NL80211_FLAG_CLEAR_SKB,
15565 .cmd = NL80211_CMD_DEL_KEY,
15566 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15567 .doit = nl80211_del_key,
15568 .flags = GENL_UNS_ADMIN_PERM,
15569 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15572 .cmd = NL80211_CMD_SET_BEACON,
15573 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15574 .flags = GENL_UNS_ADMIN_PERM,
15575 .doit = nl80211_set_beacon,
15576 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15579 .cmd = NL80211_CMD_START_AP,
15580 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15581 .flags = GENL_UNS_ADMIN_PERM,
15582 .doit = nl80211_start_ap,
15583 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15586 .cmd = NL80211_CMD_STOP_AP,
15587 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15588 .flags = GENL_UNS_ADMIN_PERM,
15589 .doit = nl80211_stop_ap,
15590 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15593 .cmd = NL80211_CMD_GET_STATION,
15594 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15595 .doit = nl80211_get_station,
15596 .dumpit = nl80211_dump_station,
15597 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15600 .cmd = NL80211_CMD_SET_STATION,
15601 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15602 .doit = nl80211_set_station,
15603 .flags = GENL_UNS_ADMIN_PERM,
15604 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15607 .cmd = NL80211_CMD_NEW_STATION,
15608 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15609 .doit = nl80211_new_station,
15610 .flags = GENL_UNS_ADMIN_PERM,
15611 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15614 .cmd = NL80211_CMD_DEL_STATION,
15615 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15616 .doit = nl80211_del_station,
15617 .flags = GENL_UNS_ADMIN_PERM,
15618 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15621 .cmd = NL80211_CMD_GET_MPATH,
15622 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15623 .doit = nl80211_get_mpath,
15624 .dumpit = nl80211_dump_mpath,
15625 .flags = GENL_UNS_ADMIN_PERM,
15626 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15629 .cmd = NL80211_CMD_GET_MPP,
15630 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15631 .doit = nl80211_get_mpp,
15632 .dumpit = nl80211_dump_mpp,
15633 .flags = GENL_UNS_ADMIN_PERM,
15634 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15637 .cmd = NL80211_CMD_SET_MPATH,
15638 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15639 .doit = nl80211_set_mpath,
15640 .flags = GENL_UNS_ADMIN_PERM,
15641 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15644 .cmd = NL80211_CMD_NEW_MPATH,
15645 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15646 .doit = nl80211_new_mpath,
15647 .flags = GENL_UNS_ADMIN_PERM,
15648 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15651 .cmd = NL80211_CMD_DEL_MPATH,
15652 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15653 .doit = nl80211_del_mpath,
15654 .flags = GENL_UNS_ADMIN_PERM,
15655 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15658 .cmd = NL80211_CMD_SET_BSS,
15659 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15660 .doit = nl80211_set_bss,
15661 .flags = GENL_UNS_ADMIN_PERM,
15662 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15665 .cmd = NL80211_CMD_GET_REG,
15666 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15667 .doit = nl80211_get_reg_do,
15668 .dumpit = nl80211_get_reg_dump,
15669 .internal_flags = 0,
15670 /* can be retrieved by unprivileged users */
15672 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
15674 .cmd = NL80211_CMD_SET_REG,
15675 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15676 .doit = nl80211_set_reg,
15677 .flags = GENL_ADMIN_PERM,
15678 .internal_flags = 0,
15682 .cmd = NL80211_CMD_REQ_SET_REG,
15683 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15684 .doit = nl80211_req_set_reg,
15685 .flags = GENL_ADMIN_PERM,
15688 .cmd = NL80211_CMD_RELOAD_REGDB,
15689 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15690 .doit = nl80211_reload_regdb,
15691 .flags = GENL_ADMIN_PERM,
15694 .cmd = NL80211_CMD_GET_MESH_CONFIG,
15695 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15696 .doit = nl80211_get_mesh_config,
15697 /* can be retrieved by unprivileged users */
15698 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15701 .cmd = NL80211_CMD_SET_MESH_CONFIG,
15702 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15703 .doit = nl80211_update_mesh_config,
15704 .flags = GENL_UNS_ADMIN_PERM,
15705 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15708 .cmd = NL80211_CMD_TRIGGER_SCAN,
15709 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15710 .doit = nl80211_trigger_scan,
15711 .flags = GENL_UNS_ADMIN_PERM,
15712 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15715 .cmd = NL80211_CMD_ABORT_SCAN,
15716 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15717 .doit = nl80211_abort_scan,
15718 .flags = GENL_UNS_ADMIN_PERM,
15719 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15722 .cmd = NL80211_CMD_GET_SCAN,
15723 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15724 .dumpit = nl80211_dump_scan,
15727 .cmd = NL80211_CMD_START_SCHED_SCAN,
15728 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15729 .doit = nl80211_start_sched_scan,
15730 .flags = GENL_UNS_ADMIN_PERM,
15731 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15734 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
15735 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15736 .doit = nl80211_stop_sched_scan,
15737 .flags = GENL_UNS_ADMIN_PERM,
15738 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15741 .cmd = NL80211_CMD_AUTHENTICATE,
15742 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15743 .doit = nl80211_authenticate,
15744 .flags = GENL_UNS_ADMIN_PERM,
15745 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15747 NL80211_FLAG_CLEAR_SKB,
15750 .cmd = NL80211_CMD_ASSOCIATE,
15751 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15752 .doit = nl80211_associate,
15753 .flags = GENL_UNS_ADMIN_PERM,
15754 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15756 NL80211_FLAG_CLEAR_SKB,
15759 .cmd = NL80211_CMD_DEAUTHENTICATE,
15760 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15761 .doit = nl80211_deauthenticate,
15762 .flags = GENL_UNS_ADMIN_PERM,
15763 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15766 .cmd = NL80211_CMD_DISASSOCIATE,
15767 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15768 .doit = nl80211_disassociate,
15769 .flags = GENL_UNS_ADMIN_PERM,
15770 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15773 .cmd = NL80211_CMD_JOIN_IBSS,
15774 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15775 .doit = nl80211_join_ibss,
15776 .flags = GENL_UNS_ADMIN_PERM,
15777 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15780 .cmd = NL80211_CMD_LEAVE_IBSS,
15781 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15782 .doit = nl80211_leave_ibss,
15783 .flags = GENL_UNS_ADMIN_PERM,
15784 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15786 #ifdef CONFIG_NL80211_TESTMODE
15788 .cmd = NL80211_CMD_TESTMODE,
15789 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15790 .doit = nl80211_testmode_do,
15791 .dumpit = nl80211_testmode_dump,
15792 .flags = GENL_UNS_ADMIN_PERM,
15793 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15797 .cmd = NL80211_CMD_CONNECT,
15798 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15799 .doit = nl80211_connect,
15800 .flags = GENL_UNS_ADMIN_PERM,
15801 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15803 NL80211_FLAG_CLEAR_SKB,
15806 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
15807 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15808 .doit = nl80211_update_connect_params,
15809 .flags = GENL_ADMIN_PERM,
15810 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15812 NL80211_FLAG_CLEAR_SKB,
15815 .cmd = NL80211_CMD_DISCONNECT,
15816 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15817 .doit = nl80211_disconnect,
15818 .flags = GENL_UNS_ADMIN_PERM,
15819 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15822 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
15823 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15824 .doit = nl80211_wiphy_netns,
15825 .flags = GENL_UNS_ADMIN_PERM,
15826 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15827 NL80211_FLAG_NEED_RTNL |
15828 NL80211_FLAG_NO_WIPHY_MTX,
15831 .cmd = NL80211_CMD_GET_SURVEY,
15832 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15833 .dumpit = nl80211_dump_survey,
15836 .cmd = NL80211_CMD_SET_PMKSA,
15837 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15838 .doit = nl80211_setdel_pmksa,
15839 .flags = GENL_UNS_ADMIN_PERM,
15840 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15842 NL80211_FLAG_CLEAR_SKB,
15845 .cmd = NL80211_CMD_DEL_PMKSA,
15846 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15847 .doit = nl80211_setdel_pmksa,
15848 .flags = GENL_UNS_ADMIN_PERM,
15849 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15852 .cmd = NL80211_CMD_FLUSH_PMKSA,
15853 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15854 .doit = nl80211_flush_pmksa,
15855 .flags = GENL_UNS_ADMIN_PERM,
15856 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15859 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
15860 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15861 .doit = nl80211_remain_on_channel,
15862 .flags = GENL_UNS_ADMIN_PERM,
15863 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15866 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15867 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15868 .doit = nl80211_cancel_remain_on_channel,
15869 .flags = GENL_UNS_ADMIN_PERM,
15870 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15873 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
15874 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15875 .doit = nl80211_set_tx_bitrate_mask,
15876 .flags = GENL_UNS_ADMIN_PERM,
15877 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15880 .cmd = NL80211_CMD_REGISTER_FRAME,
15881 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15882 .doit = nl80211_register_mgmt,
15883 .flags = GENL_UNS_ADMIN_PERM,
15884 .internal_flags = NL80211_FLAG_NEED_WDEV,
15887 .cmd = NL80211_CMD_FRAME,
15888 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15889 .doit = nl80211_tx_mgmt,
15890 .flags = GENL_UNS_ADMIN_PERM,
15891 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15894 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
15895 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15896 .doit = nl80211_tx_mgmt_cancel_wait,
15897 .flags = GENL_UNS_ADMIN_PERM,
15898 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15901 .cmd = NL80211_CMD_SET_POWER_SAVE,
15902 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15903 .doit = nl80211_set_power_save,
15904 .flags = GENL_UNS_ADMIN_PERM,
15905 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15908 .cmd = NL80211_CMD_GET_POWER_SAVE,
15909 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15910 .doit = nl80211_get_power_save,
15911 /* can be retrieved by unprivileged users */
15912 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15915 .cmd = NL80211_CMD_SET_CQM,
15916 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15917 .doit = nl80211_set_cqm,
15918 .flags = GENL_UNS_ADMIN_PERM,
15919 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15922 .cmd = NL80211_CMD_SET_CHANNEL,
15923 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15924 .doit = nl80211_set_channel,
15925 .flags = GENL_UNS_ADMIN_PERM,
15926 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15929 .cmd = NL80211_CMD_JOIN_MESH,
15930 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15931 .doit = nl80211_join_mesh,
15932 .flags = GENL_UNS_ADMIN_PERM,
15933 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15936 .cmd = NL80211_CMD_LEAVE_MESH,
15937 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15938 .doit = nl80211_leave_mesh,
15939 .flags = GENL_UNS_ADMIN_PERM,
15940 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15943 .cmd = NL80211_CMD_JOIN_OCB,
15944 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15945 .doit = nl80211_join_ocb,
15946 .flags = GENL_UNS_ADMIN_PERM,
15947 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15950 .cmd = NL80211_CMD_LEAVE_OCB,
15951 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15952 .doit = nl80211_leave_ocb,
15953 .flags = GENL_UNS_ADMIN_PERM,
15954 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15958 .cmd = NL80211_CMD_GET_WOWLAN,
15959 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15960 .doit = nl80211_get_wowlan,
15961 /* can be retrieved by unprivileged users */
15962 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15965 .cmd = NL80211_CMD_SET_WOWLAN,
15966 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15967 .doit = nl80211_set_wowlan,
15968 .flags = GENL_UNS_ADMIN_PERM,
15969 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15973 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
15974 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15975 .doit = nl80211_set_rekey_data,
15976 .flags = GENL_UNS_ADMIN_PERM,
15977 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15979 NL80211_FLAG_CLEAR_SKB,
15982 .cmd = NL80211_CMD_TDLS_MGMT,
15983 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15984 .doit = nl80211_tdls_mgmt,
15985 .flags = GENL_UNS_ADMIN_PERM,
15986 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15989 .cmd = NL80211_CMD_TDLS_OPER,
15990 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15991 .doit = nl80211_tdls_oper,
15992 .flags = GENL_UNS_ADMIN_PERM,
15993 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15996 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
15997 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15998 .doit = nl80211_register_unexpected_frame,
15999 .flags = GENL_UNS_ADMIN_PERM,
16000 .internal_flags = NL80211_FLAG_NEED_NETDEV,
16003 .cmd = NL80211_CMD_PROBE_CLIENT,
16004 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16005 .doit = nl80211_probe_client,
16006 .flags = GENL_UNS_ADMIN_PERM,
16007 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16010 .cmd = NL80211_CMD_REGISTER_BEACONS,
16011 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16012 .doit = nl80211_register_beacons,
16013 .flags = GENL_UNS_ADMIN_PERM,
16014 .internal_flags = NL80211_FLAG_NEED_WIPHY,
16017 .cmd = NL80211_CMD_SET_NOACK_MAP,
16018 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16019 .doit = nl80211_set_noack_map,
16020 .flags = GENL_UNS_ADMIN_PERM,
16021 .internal_flags = NL80211_FLAG_NEED_NETDEV,
16024 .cmd = NL80211_CMD_START_P2P_DEVICE,
16025 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16026 .doit = nl80211_start_p2p_device,
16027 .flags = GENL_UNS_ADMIN_PERM,
16028 .internal_flags = NL80211_FLAG_NEED_WDEV |
16029 NL80211_FLAG_NEED_RTNL,
16032 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
16033 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16034 .doit = nl80211_stop_p2p_device,
16035 .flags = GENL_UNS_ADMIN_PERM,
16036 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
16037 NL80211_FLAG_NEED_RTNL,
16040 .cmd = NL80211_CMD_START_NAN,
16041 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16042 .doit = nl80211_start_nan,
16043 .flags = GENL_ADMIN_PERM,
16044 .internal_flags = NL80211_FLAG_NEED_WDEV |
16045 NL80211_FLAG_NEED_RTNL,
16048 .cmd = NL80211_CMD_STOP_NAN,
16049 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16050 .doit = nl80211_stop_nan,
16051 .flags = GENL_ADMIN_PERM,
16052 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
16053 NL80211_FLAG_NEED_RTNL,
16056 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
16057 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16058 .doit = nl80211_nan_add_func,
16059 .flags = GENL_ADMIN_PERM,
16060 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
16063 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
16064 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16065 .doit = nl80211_nan_del_func,
16066 .flags = GENL_ADMIN_PERM,
16067 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
16070 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
16071 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16072 .doit = nl80211_nan_change_config,
16073 .flags = GENL_ADMIN_PERM,
16074 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
16077 .cmd = NL80211_CMD_SET_MCAST_RATE,
16078 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16079 .doit = nl80211_set_mcast_rate,
16080 .flags = GENL_UNS_ADMIN_PERM,
16081 .internal_flags = NL80211_FLAG_NEED_NETDEV,
16084 .cmd = NL80211_CMD_SET_MAC_ACL,
16085 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16086 .doit = nl80211_set_mac_acl,
16087 .flags = GENL_UNS_ADMIN_PERM,
16088 .internal_flags = NL80211_FLAG_NEED_NETDEV,
16091 .cmd = NL80211_CMD_RADAR_DETECT,
16092 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16093 .doit = nl80211_start_radar_detection,
16094 .flags = GENL_UNS_ADMIN_PERM,
16095 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
16096 NL80211_FLAG_NO_WIPHY_MTX,
16099 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
16100 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16101 .doit = nl80211_get_protocol_features,
16104 .cmd = NL80211_CMD_UPDATE_FT_IES,
16105 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16106 .doit = nl80211_update_ft_ies,
16107 .flags = GENL_UNS_ADMIN_PERM,
16108 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16111 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
16112 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16113 .doit = nl80211_crit_protocol_start,
16114 .flags = GENL_UNS_ADMIN_PERM,
16115 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
16118 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
16119 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16120 .doit = nl80211_crit_protocol_stop,
16121 .flags = GENL_UNS_ADMIN_PERM,
16122 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
16125 .cmd = NL80211_CMD_GET_COALESCE,
16126 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16127 .doit = nl80211_get_coalesce,
16128 .internal_flags = NL80211_FLAG_NEED_WIPHY,
16131 .cmd = NL80211_CMD_SET_COALESCE,
16132 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16133 .doit = nl80211_set_coalesce,
16134 .flags = GENL_UNS_ADMIN_PERM,
16135 .internal_flags = NL80211_FLAG_NEED_WIPHY,
16138 .cmd = NL80211_CMD_CHANNEL_SWITCH,
16139 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16140 .doit = nl80211_channel_switch,
16141 .flags = GENL_UNS_ADMIN_PERM,
16142 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16145 .cmd = NL80211_CMD_VENDOR,
16146 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16147 .doit = nl80211_vendor_cmd,
16148 .dumpit = nl80211_vendor_cmd_dump,
16149 .flags = GENL_UNS_ADMIN_PERM,
16150 .internal_flags = NL80211_FLAG_NEED_WIPHY |
16152 NL80211_FLAG_CLEAR_SKB,
16155 .cmd = NL80211_CMD_SET_QOS_MAP,
16156 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16157 .doit = nl80211_set_qos_map,
16158 .flags = GENL_UNS_ADMIN_PERM,
16159 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16162 .cmd = NL80211_CMD_ADD_TX_TS,
16163 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16164 .doit = nl80211_add_tx_ts,
16165 .flags = GENL_UNS_ADMIN_PERM,
16166 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16169 .cmd = NL80211_CMD_DEL_TX_TS,
16170 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16171 .doit = nl80211_del_tx_ts,
16172 .flags = GENL_UNS_ADMIN_PERM,
16173 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16176 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
16177 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16178 .doit = nl80211_tdls_channel_switch,
16179 .flags = GENL_UNS_ADMIN_PERM,
16180 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16183 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
16184 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16185 .doit = nl80211_tdls_cancel_channel_switch,
16186 .flags = GENL_UNS_ADMIN_PERM,
16187 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16190 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
16191 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16192 .doit = nl80211_set_multicast_to_unicast,
16193 .flags = GENL_UNS_ADMIN_PERM,
16194 .internal_flags = NL80211_FLAG_NEED_NETDEV,
16197 .cmd = NL80211_CMD_SET_PMK,
16198 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16199 .doit = nl80211_set_pmk,
16200 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
16202 NL80211_FLAG_CLEAR_SKB,
16205 .cmd = NL80211_CMD_DEL_PMK,
16206 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16207 .doit = nl80211_del_pmk,
16208 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16211 .cmd = NL80211_CMD_EXTERNAL_AUTH,
16212 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16213 .doit = nl80211_external_auth,
16214 .flags = GENL_ADMIN_PERM,
16215 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16218 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
16219 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16220 .doit = nl80211_tx_control_port,
16221 .flags = GENL_UNS_ADMIN_PERM,
16222 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16225 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
16226 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16227 .doit = nl80211_get_ftm_responder_stats,
16228 .internal_flags = NL80211_FLAG_NEED_NETDEV,
16231 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
16232 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16233 .doit = nl80211_pmsr_start,
16234 .flags = GENL_UNS_ADMIN_PERM,
16235 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
16238 .cmd = NL80211_CMD_NOTIFY_RADAR,
16239 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16240 .doit = nl80211_notify_radar_detection,
16241 .flags = GENL_UNS_ADMIN_PERM,
16242 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16245 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
16246 .doit = nl80211_update_owe_info,
16247 .flags = GENL_ADMIN_PERM,
16248 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16251 .cmd = NL80211_CMD_PROBE_MESH_LINK,
16252 .doit = nl80211_probe_mesh_link,
16253 .flags = GENL_UNS_ADMIN_PERM,
16254 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16257 .cmd = NL80211_CMD_SET_TID_CONFIG,
16258 .doit = nl80211_set_tid_config,
16259 .flags = GENL_UNS_ADMIN_PERM,
16260 .internal_flags = NL80211_FLAG_NEED_NETDEV,
16263 .cmd = NL80211_CMD_SET_SAR_SPECS,
16264 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16265 .doit = nl80211_set_sar_specs,
16266 .flags = GENL_UNS_ADMIN_PERM,
16267 .internal_flags = NL80211_FLAG_NEED_WIPHY |
16268 NL80211_FLAG_NEED_RTNL,
16271 .cmd = NL80211_CMD_COLOR_CHANGE_REQUEST,
16272 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16273 .doit = nl80211_color_change,
16274 .flags = GENL_UNS_ADMIN_PERM,
16275 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
16276 NL80211_FLAG_NEED_RTNL,
16279 .cmd = NL80211_CMD_SET_FILS_AAD,
16280 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16281 .doit = nl80211_set_fils_aad,
16282 .flags = GENL_UNS_ADMIN_PERM,
16283 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
16287 static struct genl_family nl80211_fam __ro_after_init = {
16288 .name = NL80211_GENL_NAME, /* have users key off the name instead */
16289 .hdrsize = 0, /* no private header */
16290 .version = 1, /* no particular meaning now */
16291 .maxattr = NL80211_ATTR_MAX,
16292 .policy = nl80211_policy,
16294 .pre_doit = nl80211_pre_doit,
16295 .post_doit = nl80211_post_doit,
16296 .module = THIS_MODULE,
16297 .ops = nl80211_ops,
16298 .n_ops = ARRAY_SIZE(nl80211_ops),
16299 .small_ops = nl80211_small_ops,
16300 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
16301 .mcgrps = nl80211_mcgrps,
16302 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
16303 .parallel_ops = true,
16306 /* notification functions */
16308 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
16309 enum nl80211_commands cmd)
16311 struct sk_buff *msg;
16312 struct nl80211_dump_wiphy_state state = {};
16314 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
16315 cmd != NL80211_CMD_DEL_WIPHY);
16317 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16321 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
16326 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16327 NL80211_MCGRP_CONFIG, GFP_KERNEL);
16330 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
16331 struct wireless_dev *wdev,
16332 enum nl80211_commands cmd)
16334 struct sk_buff *msg;
16336 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16340 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
16345 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16346 NL80211_MCGRP_CONFIG, GFP_KERNEL);
16349 static int nl80211_add_scan_req(struct sk_buff *msg,
16350 struct cfg80211_registered_device *rdev)
16352 struct cfg80211_scan_request *req = rdev->scan_req;
16353 struct nlattr *nest;
16355 struct cfg80211_scan_info *info;
16360 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
16362 goto nla_put_failure;
16363 for (i = 0; i < req->n_ssids; i++) {
16364 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
16365 goto nla_put_failure;
16367 nla_nest_end(msg, nest);
16369 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
16370 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
16372 goto nla_put_failure;
16373 for (i = 0; i < req->n_channels; i++) {
16374 if (nla_put_u32(msg, i,
16375 ieee80211_channel_to_khz(req->channels[i])))
16376 goto nla_put_failure;
16378 nla_nest_end(msg, nest);
16380 nest = nla_nest_start_noflag(msg,
16381 NL80211_ATTR_SCAN_FREQUENCIES);
16383 goto nla_put_failure;
16384 for (i = 0; i < req->n_channels; i++) {
16385 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
16386 goto nla_put_failure;
16388 nla_nest_end(msg, nest);
16392 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
16393 goto nla_put_failure;
16396 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
16397 goto nla_put_failure;
16399 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
16400 &rdev->scan_req->info;
16401 if (info->scan_start_tsf &&
16402 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
16403 info->scan_start_tsf, NL80211_BSS_PAD) ||
16404 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
16406 goto nla_put_failure;
16413 static int nl80211_prep_scan_msg(struct sk_buff *msg,
16414 struct cfg80211_registered_device *rdev,
16415 struct wireless_dev *wdev,
16416 u32 portid, u32 seq, int flags,
16421 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
16425 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16426 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16427 wdev->netdev->ifindex)) ||
16428 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16430 goto nla_put_failure;
16432 /* ignore errors and send incomplete event anyway */
16433 nl80211_add_scan_req(msg, rdev);
16435 genlmsg_end(msg, hdr);
16439 genlmsg_cancel(msg, hdr);
16444 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
16445 struct cfg80211_sched_scan_request *req, u32 cmd)
16449 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16453 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
16454 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
16455 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
16456 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
16458 goto nla_put_failure;
16460 genlmsg_end(msg, hdr);
16464 genlmsg_cancel(msg, hdr);
16468 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
16469 struct wireless_dev *wdev)
16471 struct sk_buff *msg;
16473 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16477 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
16478 NL80211_CMD_TRIGGER_SCAN) < 0) {
16483 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16484 NL80211_MCGRP_SCAN, GFP_KERNEL);
16487 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
16488 struct wireless_dev *wdev, bool aborted)
16490 struct sk_buff *msg;
16492 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16496 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
16497 aborted ? NL80211_CMD_SCAN_ABORTED :
16498 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
16506 /* send message created by nl80211_build_scan_msg() */
16507 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
16508 struct sk_buff *msg)
16513 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16514 NL80211_MCGRP_SCAN, GFP_KERNEL);
16517 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
16519 struct sk_buff *msg;
16521 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16525 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
16530 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
16531 NL80211_MCGRP_SCAN, GFP_KERNEL);
16534 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
16535 struct regulatory_request *request)
16537 /* Userspace can always count this one always being set */
16538 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
16539 goto nla_put_failure;
16541 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
16542 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16543 NL80211_REGDOM_TYPE_WORLD))
16544 goto nla_put_failure;
16545 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
16546 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16547 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
16548 goto nla_put_failure;
16549 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
16550 request->intersect) {
16551 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16552 NL80211_REGDOM_TYPE_INTERSECTION))
16553 goto nla_put_failure;
16555 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16556 NL80211_REGDOM_TYPE_COUNTRY) ||
16557 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
16559 goto nla_put_failure;
16562 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
16563 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
16566 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
16567 goto nla_put_failure;
16570 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
16571 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
16572 goto nla_put_failure;
16582 * This can happen on global regulatory changes or device specific settings
16583 * based on custom regulatory domains.
16585 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
16586 struct regulatory_request *request)
16588 struct sk_buff *msg;
16591 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16595 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
16597 goto nla_put_failure;
16599 if (!nl80211_reg_change_event_fill(msg, request))
16600 goto nla_put_failure;
16602 genlmsg_end(msg, hdr);
16605 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16606 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16615 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
16616 struct net_device *netdev,
16617 const u8 *buf, size_t len,
16618 enum nl80211_commands cmd, gfp_t gfp,
16619 int uapsd_queues, const u8 *req_ies,
16620 size_t req_ies_len, bool reconnect)
16622 struct sk_buff *msg;
16625 msg = nlmsg_new(100 + len + req_ies_len, gfp);
16629 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16635 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16636 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16637 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16639 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
16640 goto nla_put_failure;
16642 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
16643 goto nla_put_failure;
16645 if (uapsd_queues >= 0) {
16646 struct nlattr *nla_wmm =
16647 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
16649 goto nla_put_failure;
16651 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
16653 goto nla_put_failure;
16655 nla_nest_end(msg, nla_wmm);
16658 genlmsg_end(msg, hdr);
16660 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16661 NL80211_MCGRP_MLME, gfp);
16668 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
16669 struct net_device *netdev, const u8 *buf,
16670 size_t len, gfp_t gfp)
16672 nl80211_send_mlme_event(rdev, netdev, buf, len,
16673 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
16677 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
16678 struct net_device *netdev, const u8 *buf,
16679 size_t len, gfp_t gfp, int uapsd_queues,
16680 const u8 *req_ies, size_t req_ies_len)
16682 nl80211_send_mlme_event(rdev, netdev, buf, len,
16683 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
16684 req_ies, req_ies_len, false);
16687 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
16688 struct net_device *netdev, const u8 *buf,
16689 size_t len, bool reconnect, gfp_t gfp)
16691 nl80211_send_mlme_event(rdev, netdev, buf, len,
16692 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
16696 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
16697 struct net_device *netdev, const u8 *buf,
16698 size_t len, bool reconnect, gfp_t gfp)
16700 nl80211_send_mlme_event(rdev, netdev, buf, len,
16701 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
16705 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
16708 struct wireless_dev *wdev = dev->ieee80211_ptr;
16709 struct wiphy *wiphy = wdev->wiphy;
16710 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16711 const struct ieee80211_mgmt *mgmt = (void *)buf;
16714 if (WARN_ON(len < 2))
16717 if (ieee80211_is_deauth(mgmt->frame_control)) {
16718 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
16719 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
16720 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
16721 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
16722 if (wdev->unprot_beacon_reported &&
16723 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
16725 cmd = NL80211_CMD_UNPROT_BEACON;
16726 wdev->unprot_beacon_reported = jiffies;
16731 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
16732 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
16735 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
16737 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
16738 struct net_device *netdev, int cmd,
16739 const u8 *addr, gfp_t gfp)
16741 struct sk_buff *msg;
16744 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16748 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16754 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16755 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16756 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16757 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16758 goto nla_put_failure;
16760 genlmsg_end(msg, hdr);
16762 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16763 NL80211_MCGRP_MLME, gfp);
16770 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
16771 struct net_device *netdev, const u8 *addr,
16774 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
16778 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
16779 struct net_device *netdev, const u8 *addr,
16782 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
16786 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
16787 struct net_device *netdev,
16788 struct cfg80211_connect_resp_params *cr,
16791 struct sk_buff *msg;
16794 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
16795 cr->fils.kek_len + cr->fils.pmk_len +
16796 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16800 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
16806 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16807 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16809 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
16810 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
16811 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
16814 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16815 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
16816 cr->timeout_reason))) ||
16818 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
16820 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
16822 (cr->fils.update_erp_next_seq_num &&
16823 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16824 cr->fils.erp_next_seq_num)) ||
16825 (cr->status == WLAN_STATUS_SUCCESS &&
16827 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
16830 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
16832 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
16833 goto nla_put_failure;
16835 genlmsg_end(msg, hdr);
16837 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16838 NL80211_MCGRP_MLME, gfp);
16845 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
16846 struct net_device *netdev,
16847 struct cfg80211_roam_info *info, gfp_t gfp)
16849 struct sk_buff *msg;
16851 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
16853 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
16854 info->fils.kek_len + info->fils.pmk_len +
16855 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16859 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
16865 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16866 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16867 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
16869 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
16872 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
16874 (info->fils.update_erp_next_seq_num &&
16875 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16876 info->fils.erp_next_seq_num)) ||
16878 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
16879 info->fils.kek)) ||
16881 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
16882 (info->fils.pmkid &&
16883 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
16884 goto nla_put_failure;
16886 genlmsg_end(msg, hdr);
16888 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16889 NL80211_MCGRP_MLME, gfp);
16896 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
16897 struct net_device *netdev, const u8 *bssid)
16899 struct sk_buff *msg;
16902 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16906 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
16912 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16913 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16914 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16915 goto nla_put_failure;
16917 genlmsg_end(msg, hdr);
16919 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16920 NL80211_MCGRP_MLME, GFP_KERNEL);
16927 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
16928 struct net_device *netdev, u16 reason,
16929 const u8 *ie, size_t ie_len, bool from_ap)
16931 struct sk_buff *msg;
16934 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
16938 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
16944 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16945 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16947 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
16949 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
16950 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
16951 goto nla_put_failure;
16953 genlmsg_end(msg, hdr);
16955 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16956 NL80211_MCGRP_MLME, GFP_KERNEL);
16963 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
16964 struct net_device *netdev, const u8 *bssid,
16967 struct sk_buff *msg;
16970 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16974 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
16980 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16981 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16982 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16983 goto nla_put_failure;
16985 genlmsg_end(msg, hdr);
16987 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16988 NL80211_MCGRP_MLME, gfp);
16995 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
16996 const u8 *ie, u8 ie_len,
16997 int sig_dbm, gfp_t gfp)
16999 struct wireless_dev *wdev = dev->ieee80211_ptr;
17000 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17001 struct sk_buff *msg;
17004 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
17007 trace_cfg80211_notify_new_peer_candidate(dev, addr);
17009 msg = nlmsg_new(100 + ie_len, gfp);
17013 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
17019 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17020 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17021 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17023 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
17025 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
17026 goto nla_put_failure;
17028 genlmsg_end(msg, hdr);
17030 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17031 NL80211_MCGRP_MLME, gfp);
17037 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
17039 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
17040 struct net_device *netdev, const u8 *addr,
17041 enum nl80211_key_type key_type, int key_id,
17042 const u8 *tsc, gfp_t gfp)
17044 struct sk_buff *msg;
17047 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17051 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
17057 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17058 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17059 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
17060 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
17062 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
17063 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
17064 goto nla_put_failure;
17066 genlmsg_end(msg, hdr);
17068 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17069 NL80211_MCGRP_MLME, gfp);
17076 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
17077 struct ieee80211_channel *channel_before,
17078 struct ieee80211_channel *channel_after)
17080 struct sk_buff *msg;
17082 struct nlattr *nl_freq;
17084 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
17088 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
17095 * Since we are applying the beacon hint to a wiphy we know its
17096 * wiphy_idx is valid
17098 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
17099 goto nla_put_failure;
17102 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
17104 goto nla_put_failure;
17106 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
17107 goto nla_put_failure;
17108 nla_nest_end(msg, nl_freq);
17111 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
17113 goto nla_put_failure;
17115 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
17116 goto nla_put_failure;
17117 nla_nest_end(msg, nl_freq);
17119 genlmsg_end(msg, hdr);
17122 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
17123 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
17132 static void nl80211_send_remain_on_chan_event(
17133 int cmd, struct cfg80211_registered_device *rdev,
17134 struct wireless_dev *wdev, u64 cookie,
17135 struct ieee80211_channel *chan,
17136 unsigned int duration, gfp_t gfp)
17138 struct sk_buff *msg;
17141 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17145 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17151 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17152 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17153 wdev->netdev->ifindex)) ||
17154 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17155 NL80211_ATTR_PAD) ||
17156 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
17157 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
17158 NL80211_CHAN_NO_HT) ||
17159 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
17161 goto nla_put_failure;
17163 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
17164 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
17165 goto nla_put_failure;
17167 genlmsg_end(msg, hdr);
17169 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17170 NL80211_MCGRP_MLME, gfp);
17177 void cfg80211_assoc_comeback(struct net_device *netdev,
17178 struct cfg80211_bss *bss, u32 timeout)
17180 struct wireless_dev *wdev = netdev->ieee80211_ptr;
17181 struct wiphy *wiphy = wdev->wiphy;
17182 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17183 struct sk_buff *msg;
17186 trace_cfg80211_assoc_comeback(wdev, bss->bssid, timeout);
17188 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17192 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ASSOC_COMEBACK);
17198 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17199 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17200 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bss->bssid) ||
17201 nla_put_u32(msg, NL80211_ATTR_TIMEOUT, timeout))
17202 goto nla_put_failure;
17204 genlmsg_end(msg, hdr);
17206 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17207 NL80211_MCGRP_MLME, GFP_KERNEL);
17213 EXPORT_SYMBOL(cfg80211_assoc_comeback);
17215 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
17216 struct ieee80211_channel *chan,
17217 unsigned int duration, gfp_t gfp)
17219 struct wiphy *wiphy = wdev->wiphy;
17220 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17222 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
17223 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
17224 rdev, wdev, cookie, chan,
17227 EXPORT_SYMBOL(cfg80211_ready_on_channel);
17229 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
17230 struct ieee80211_channel *chan,
17233 struct wiphy *wiphy = wdev->wiphy;
17234 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17236 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
17237 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
17238 rdev, wdev, cookie, chan, 0, gfp);
17240 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
17242 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
17243 struct ieee80211_channel *chan,
17246 struct wiphy *wiphy = wdev->wiphy;
17247 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17249 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
17250 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
17251 rdev, wdev, cookie, chan, 0, gfp);
17253 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
17255 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
17256 struct station_info *sinfo, gfp_t gfp)
17258 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
17259 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17260 struct sk_buff *msg;
17262 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
17264 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17268 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
17269 rdev, dev, mac_addr, sinfo) < 0) {
17274 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17275 NL80211_MCGRP_MLME, gfp);
17277 EXPORT_SYMBOL(cfg80211_new_sta);
17279 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
17280 struct station_info *sinfo, gfp_t gfp)
17282 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
17283 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17284 struct sk_buff *msg;
17285 struct station_info empty_sinfo = {};
17288 sinfo = &empty_sinfo;
17290 trace_cfg80211_del_sta(dev, mac_addr);
17292 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17294 cfg80211_sinfo_release_content(sinfo);
17298 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
17299 rdev, dev, mac_addr, sinfo) < 0) {
17304 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17305 NL80211_MCGRP_MLME, gfp);
17307 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
17309 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
17310 enum nl80211_connect_failed_reason reason,
17313 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
17314 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17315 struct sk_buff *msg;
17318 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
17322 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
17328 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17329 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
17330 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
17331 goto nla_put_failure;
17333 genlmsg_end(msg, hdr);
17335 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17336 NL80211_MCGRP_MLME, gfp);
17342 EXPORT_SYMBOL(cfg80211_conn_failed);
17344 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
17345 const u8 *addr, gfp_t gfp)
17347 struct wireless_dev *wdev = dev->ieee80211_ptr;
17348 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17349 struct sk_buff *msg;
17351 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
17356 msg = nlmsg_new(100, gfp);
17360 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17366 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17367 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17368 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
17369 goto nla_put_failure;
17371 genlmsg_end(msg, hdr);
17372 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17380 bool cfg80211_rx_spurious_frame(struct net_device *dev,
17381 const u8 *addr, gfp_t gfp)
17383 struct wireless_dev *wdev = dev->ieee80211_ptr;
17386 trace_cfg80211_rx_spurious_frame(dev, addr);
17388 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
17389 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
17390 trace_cfg80211_return_bool(false);
17393 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
17395 trace_cfg80211_return_bool(ret);
17398 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
17400 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
17401 const u8 *addr, gfp_t gfp)
17403 struct wireless_dev *wdev = dev->ieee80211_ptr;
17406 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
17408 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
17409 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
17410 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
17411 trace_cfg80211_return_bool(false);
17414 ret = __nl80211_unexpected_frame(dev,
17415 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
17417 trace_cfg80211_return_bool(ret);
17420 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
17422 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
17423 struct wireless_dev *wdev, u32 nlportid,
17424 int freq, int sig_dbm,
17425 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
17427 struct net_device *netdev = wdev->netdev;
17428 struct sk_buff *msg;
17431 msg = nlmsg_new(100 + len, gfp);
17435 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
17441 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17442 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17443 netdev->ifindex)) ||
17444 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17445 NL80211_ATTR_PAD) ||
17446 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(freq)) ||
17447 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, freq % 1000) ||
17449 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
17450 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
17452 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
17453 goto nla_put_failure;
17455 genlmsg_end(msg, hdr);
17457 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17464 static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie,
17465 const u8 *buf, size_t len, bool ack,
17466 gfp_t gfp, enum nl80211_commands command)
17468 struct wiphy *wiphy = wdev->wiphy;
17469 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17470 struct net_device *netdev = wdev->netdev;
17471 struct sk_buff *msg;
17474 if (command == NL80211_CMD_FRAME_TX_STATUS)
17475 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
17477 trace_cfg80211_control_port_tx_status(wdev, cookie, ack);
17479 msg = nlmsg_new(100 + len, gfp);
17483 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
17489 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17490 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17491 netdev->ifindex)) ||
17492 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17493 NL80211_ATTR_PAD) ||
17494 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
17495 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
17496 NL80211_ATTR_PAD) ||
17497 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
17498 goto nla_put_failure;
17500 genlmsg_end(msg, hdr);
17502 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17503 NL80211_MCGRP_MLME, gfp);
17510 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
17511 const u8 *buf, size_t len, bool ack,
17514 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
17515 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
17517 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
17519 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
17520 const u8 *buf, size_t len, bool ack, gfp_t gfp)
17522 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
17523 NL80211_CMD_FRAME_TX_STATUS);
17525 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
17527 static int __nl80211_rx_control_port(struct net_device *dev,
17528 struct sk_buff *skb,
17529 bool unencrypted, gfp_t gfp)
17531 struct wireless_dev *wdev = dev->ieee80211_ptr;
17532 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17533 struct ethhdr *ehdr = eth_hdr(skb);
17534 const u8 *addr = ehdr->h_source;
17535 u16 proto = be16_to_cpu(skb->protocol);
17536 struct sk_buff *msg;
17538 struct nlattr *frame;
17540 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
17545 msg = nlmsg_new(100 + skb->len, gfp);
17549 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
17555 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17556 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17557 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17558 NL80211_ATTR_PAD) ||
17559 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17560 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
17561 (unencrypted && nla_put_flag(msg,
17562 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
17563 goto nla_put_failure;
17565 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
17567 goto nla_put_failure;
17569 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
17570 genlmsg_end(msg, hdr);
17572 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17579 bool cfg80211_rx_control_port(struct net_device *dev,
17580 struct sk_buff *skb, bool unencrypted)
17584 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
17585 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
17586 trace_cfg80211_return_bool(ret == 0);
17589 EXPORT_SYMBOL(cfg80211_rx_control_port);
17591 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
17592 const char *mac, gfp_t gfp)
17594 struct wireless_dev *wdev = dev->ieee80211_ptr;
17595 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17596 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17602 cb = (void **)msg->cb;
17604 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
17610 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17611 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17612 goto nla_put_failure;
17614 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17615 goto nla_put_failure;
17617 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
17619 goto nla_put_failure;
17629 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
17631 void **cb = (void **)msg->cb;
17632 struct cfg80211_registered_device *rdev = cb[2];
17634 nla_nest_end(msg, cb[1]);
17635 genlmsg_end(msg, cb[0]);
17637 memset(msg->cb, 0, sizeof(msg->cb));
17639 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17640 NL80211_MCGRP_MLME, gfp);
17643 void cfg80211_cqm_rssi_notify(struct net_device *dev,
17644 enum nl80211_cqm_rssi_threshold_event rssi_event,
17645 s32 rssi_level, gfp_t gfp)
17647 struct sk_buff *msg;
17648 struct wireless_dev *wdev = dev->ieee80211_ptr;
17649 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17651 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
17653 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
17654 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
17657 if (wdev->cqm_config) {
17658 wdev->cqm_config->last_rssi_event_value = rssi_level;
17660 cfg80211_cqm_rssi_update(rdev, dev);
17662 if (rssi_level == 0)
17663 rssi_level = wdev->cqm_config->last_rssi_event_value;
17666 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17670 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
17672 goto nla_put_failure;
17674 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
17676 goto nla_put_failure;
17678 cfg80211_send_cqm(msg, gfp);
17685 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
17687 void cfg80211_cqm_txe_notify(struct net_device *dev,
17688 const u8 *peer, u32 num_packets,
17689 u32 rate, u32 intvl, gfp_t gfp)
17691 struct sk_buff *msg;
17693 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17697 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
17698 goto nla_put_failure;
17700 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
17701 goto nla_put_failure;
17703 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
17704 goto nla_put_failure;
17706 cfg80211_send_cqm(msg, gfp);
17712 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
17714 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
17715 const u8 *peer, u32 num_packets, gfp_t gfp)
17717 struct sk_buff *msg;
17719 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
17721 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17725 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
17726 goto nla_put_failure;
17728 cfg80211_send_cqm(msg, gfp);
17734 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
17736 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
17738 struct sk_buff *msg;
17740 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17744 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
17745 goto nla_put_failure;
17747 cfg80211_send_cqm(msg, gfp);
17753 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
17755 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
17756 struct net_device *netdev, const u8 *bssid,
17757 const u8 *replay_ctr, gfp_t gfp)
17759 struct sk_buff *msg;
17760 struct nlattr *rekey_attr;
17763 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17767 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
17773 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17774 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17775 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
17776 goto nla_put_failure;
17778 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
17780 goto nla_put_failure;
17782 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
17783 NL80211_REPLAY_CTR_LEN, replay_ctr))
17784 goto nla_put_failure;
17786 nla_nest_end(msg, rekey_attr);
17788 genlmsg_end(msg, hdr);
17790 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17791 NL80211_MCGRP_MLME, gfp);
17798 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
17799 const u8 *replay_ctr, gfp_t gfp)
17801 struct wireless_dev *wdev = dev->ieee80211_ptr;
17802 struct wiphy *wiphy = wdev->wiphy;
17803 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17805 trace_cfg80211_gtk_rekey_notify(dev, bssid);
17806 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
17808 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
17811 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
17812 struct net_device *netdev, int index,
17813 const u8 *bssid, bool preauth, gfp_t gfp)
17815 struct sk_buff *msg;
17816 struct nlattr *attr;
17819 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17823 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
17829 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17830 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17831 goto nla_put_failure;
17833 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
17835 goto nla_put_failure;
17837 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
17838 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
17840 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
17841 goto nla_put_failure;
17843 nla_nest_end(msg, attr);
17845 genlmsg_end(msg, hdr);
17847 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17848 NL80211_MCGRP_MLME, gfp);
17855 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
17856 const u8 *bssid, bool preauth, gfp_t gfp)
17858 struct wireless_dev *wdev = dev->ieee80211_ptr;
17859 struct wiphy *wiphy = wdev->wiphy;
17860 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17862 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
17863 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
17865 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
17867 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
17868 struct net_device *netdev,
17869 struct cfg80211_chan_def *chandef,
17871 enum nl80211_commands notif,
17872 u8 count, bool quiet)
17874 struct sk_buff *msg;
17877 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17881 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
17887 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17888 goto nla_put_failure;
17890 if (nl80211_send_chandef(msg, chandef))
17891 goto nla_put_failure;
17893 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
17894 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
17895 goto nla_put_failure;
17897 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
17898 goto nla_put_failure;
17901 genlmsg_end(msg, hdr);
17903 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17904 NL80211_MCGRP_MLME, gfp);
17911 void cfg80211_ch_switch_notify(struct net_device *dev,
17912 struct cfg80211_chan_def *chandef)
17914 struct wireless_dev *wdev = dev->ieee80211_ptr;
17915 struct wiphy *wiphy = wdev->wiphy;
17916 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17918 ASSERT_WDEV_LOCK(wdev);
17920 trace_cfg80211_ch_switch_notify(dev, chandef);
17922 wdev->chandef = *chandef;
17923 wdev->preset_chandef = *chandef;
17925 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
17926 wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
17927 !WARN_ON(!wdev->current_bss))
17928 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
17930 cfg80211_sched_dfs_chan_update(rdev);
17932 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17933 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false);
17935 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
17937 void cfg80211_ch_switch_started_notify(struct net_device *dev,
17938 struct cfg80211_chan_def *chandef,
17939 u8 count, bool quiet)
17941 struct wireless_dev *wdev = dev->ieee80211_ptr;
17942 struct wiphy *wiphy = wdev->wiphy;
17943 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17945 trace_cfg80211_ch_switch_started_notify(dev, chandef);
17947 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17948 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
17951 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
17953 int cfg80211_bss_color_notify(struct net_device *dev, gfp_t gfp,
17954 enum nl80211_commands cmd, u8 count,
17957 struct wireless_dev *wdev = dev->ieee80211_ptr;
17958 struct wiphy *wiphy = wdev->wiphy;
17959 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17960 struct sk_buff *msg;
17963 ASSERT_WDEV_LOCK(wdev);
17965 trace_cfg80211_bss_color_notify(dev, cmd, count, color_bitmap);
17967 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17971 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17973 goto nla_put_failure;
17975 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17976 goto nla_put_failure;
17978 if (cmd == NL80211_CMD_COLOR_CHANGE_STARTED &&
17979 nla_put_u32(msg, NL80211_ATTR_COLOR_CHANGE_COUNT, count))
17980 goto nla_put_failure;
17982 if (cmd == NL80211_CMD_OBSS_COLOR_COLLISION &&
17983 nla_put_u64_64bit(msg, NL80211_ATTR_OBSS_COLOR_BITMAP,
17984 color_bitmap, NL80211_ATTR_PAD))
17985 goto nla_put_failure;
17987 genlmsg_end(msg, hdr);
17989 return genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
17990 msg, 0, NL80211_MCGRP_MLME, gfp);
17996 EXPORT_SYMBOL(cfg80211_bss_color_notify);
17999 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
18000 const struct cfg80211_chan_def *chandef,
18001 enum nl80211_radar_event event,
18002 struct net_device *netdev, gfp_t gfp)
18004 struct sk_buff *msg;
18007 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18011 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
18017 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
18018 goto nla_put_failure;
18020 /* NOP and radar events don't need a netdev parameter */
18022 struct wireless_dev *wdev = netdev->ieee80211_ptr;
18024 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18025 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18027 goto nla_put_failure;
18030 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
18031 goto nla_put_failure;
18033 if (nl80211_send_chandef(msg, chandef))
18034 goto nla_put_failure;
18036 genlmsg_end(msg, hdr);
18038 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18039 NL80211_MCGRP_MLME, gfp);
18046 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
18047 struct sta_opmode_info *sta_opmode,
18050 struct sk_buff *msg;
18051 struct wireless_dev *wdev = dev->ieee80211_ptr;
18052 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18058 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18062 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
18068 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
18069 goto nla_put_failure;
18071 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
18072 goto nla_put_failure;
18074 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
18075 goto nla_put_failure;
18077 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
18078 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
18079 goto nla_put_failure;
18081 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
18082 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
18083 goto nla_put_failure;
18085 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
18086 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
18087 goto nla_put_failure;
18089 genlmsg_end(msg, hdr);
18091 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18092 NL80211_MCGRP_MLME, gfp);
18099 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
18101 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
18102 u64 cookie, bool acked, s32 ack_signal,
18103 bool is_valid_ack_signal, gfp_t gfp)
18105 struct wireless_dev *wdev = dev->ieee80211_ptr;
18106 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18107 struct sk_buff *msg;
18110 trace_cfg80211_probe_status(dev, addr, cookie, acked);
18112 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18117 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
18123 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18124 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18125 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
18126 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
18127 NL80211_ATTR_PAD) ||
18128 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
18129 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
18131 goto nla_put_failure;
18133 genlmsg_end(msg, hdr);
18135 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18136 NL80211_MCGRP_MLME, gfp);
18142 EXPORT_SYMBOL(cfg80211_probe_status);
18144 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
18145 size_t len, int freq, int sig_dbm)
18147 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18148 struct sk_buff *msg;
18150 struct cfg80211_beacon_registration *reg;
18152 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
18154 spin_lock_bh(&rdev->beacon_registrations_lock);
18155 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
18156 msg = nlmsg_new(len + 100, GFP_ATOMIC);
18158 spin_unlock_bh(&rdev->beacon_registrations_lock);
18162 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
18164 goto nla_put_failure;
18166 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18168 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
18169 KHZ_TO_MHZ(freq)) ||
18170 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
18173 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
18174 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
18175 goto nla_put_failure;
18177 genlmsg_end(msg, hdr);
18179 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
18181 spin_unlock_bh(&rdev->beacon_registrations_lock);
18185 spin_unlock_bh(&rdev->beacon_registrations_lock);
18188 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
18191 static int cfg80211_net_detect_results(struct sk_buff *msg,
18192 struct cfg80211_wowlan_wakeup *wakeup)
18194 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
18195 struct nlattr *nl_results, *nl_match, *nl_freqs;
18198 nl_results = nla_nest_start_noflag(msg,
18199 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
18203 for (i = 0; i < nd->n_matches; i++) {
18204 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
18206 nl_match = nla_nest_start_noflag(msg, i);
18210 /* The SSID attribute is optional in nl80211, but for
18211 * simplicity reasons it's always present in the
18212 * cfg80211 structure. If a driver can't pass the
18213 * SSID, that needs to be changed. A zero length SSID
18214 * is still a valid SSID (wildcard), so it cannot be
18215 * used for this purpose.
18217 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
18218 match->ssid.ssid)) {
18219 nla_nest_cancel(msg, nl_match);
18223 if (match->n_channels) {
18224 nl_freqs = nla_nest_start_noflag(msg,
18225 NL80211_ATTR_SCAN_FREQUENCIES);
18227 nla_nest_cancel(msg, nl_match);
18231 for (j = 0; j < match->n_channels; j++) {
18232 if (nla_put_u32(msg, j, match->channels[j])) {
18233 nla_nest_cancel(msg, nl_freqs);
18234 nla_nest_cancel(msg, nl_match);
18239 nla_nest_end(msg, nl_freqs);
18242 nla_nest_end(msg, nl_match);
18246 nla_nest_end(msg, nl_results);
18250 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
18251 struct cfg80211_wowlan_wakeup *wakeup,
18254 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18255 struct sk_buff *msg;
18259 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
18262 size += wakeup->packet_present_len;
18264 msg = nlmsg_new(size, gfp);
18268 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
18272 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18273 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18277 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
18278 wdev->netdev->ifindex))
18282 struct nlattr *reasons;
18284 reasons = nla_nest_start_noflag(msg,
18285 NL80211_ATTR_WOWLAN_TRIGGERS);
18289 if (wakeup->disconnect &&
18290 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
18292 if (wakeup->magic_pkt &&
18293 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
18295 if (wakeup->gtk_rekey_failure &&
18296 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
18298 if (wakeup->eap_identity_req &&
18299 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
18301 if (wakeup->four_way_handshake &&
18302 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
18304 if (wakeup->rfkill_release &&
18305 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
18308 if (wakeup->pattern_idx >= 0 &&
18309 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
18310 wakeup->pattern_idx))
18313 if (wakeup->tcp_match &&
18314 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
18317 if (wakeup->tcp_connlost &&
18318 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
18321 if (wakeup->tcp_nomoretokens &&
18323 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
18326 if (wakeup->packet) {
18327 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
18328 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
18330 if (!wakeup->packet_80211) {
18332 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
18334 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
18337 if (wakeup->packet_len &&
18338 nla_put_u32(msg, len_attr, wakeup->packet_len))
18341 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
18346 if (wakeup->net_detect &&
18347 cfg80211_net_detect_results(msg, wakeup))
18350 nla_nest_end(msg, reasons);
18353 genlmsg_end(msg, hdr);
18355 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18356 NL80211_MCGRP_MLME, gfp);
18362 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
18365 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
18366 enum nl80211_tdls_operation oper,
18367 u16 reason_code, gfp_t gfp)
18369 struct wireless_dev *wdev = dev->ieee80211_ptr;
18370 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18371 struct sk_buff *msg;
18374 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
18377 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18381 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
18387 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18388 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18389 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
18390 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
18391 (reason_code > 0 &&
18392 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
18393 goto nla_put_failure;
18395 genlmsg_end(msg, hdr);
18397 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18398 NL80211_MCGRP_MLME, gfp);
18404 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
18406 static int nl80211_netlink_notify(struct notifier_block * nb,
18407 unsigned long state,
18410 struct netlink_notify *notify = _notify;
18411 struct cfg80211_registered_device *rdev;
18412 struct wireless_dev *wdev;
18413 struct cfg80211_beacon_registration *reg, *tmp;
18415 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
18416 return NOTIFY_DONE;
18420 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
18421 struct cfg80211_sched_scan_request *sched_scan_req;
18423 list_for_each_entry_rcu(sched_scan_req,
18424 &rdev->sched_scan_req_list,
18426 if (sched_scan_req->owner_nlportid == notify->portid) {
18427 sched_scan_req->nl_owner_dead = true;
18428 schedule_work(&rdev->sched_scan_stop_wk);
18432 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
18433 cfg80211_mlme_unregister_socket(wdev, notify->portid);
18435 if (wdev->owner_nlportid == notify->portid) {
18436 wdev->nl_owner_dead = true;
18437 schedule_work(&rdev->destroy_work);
18438 } else if (wdev->conn_owner_nlportid == notify->portid) {
18439 schedule_work(&wdev->disconnect_wk);
18442 cfg80211_release_pmsr(wdev, notify->portid);
18445 spin_lock_bh(&rdev->beacon_registrations_lock);
18446 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
18448 if (reg->nlportid == notify->portid) {
18449 list_del(®->list);
18454 spin_unlock_bh(&rdev->beacon_registrations_lock);
18460 * It is possible that the user space process that is controlling the
18461 * indoor setting disappeared, so notify the regulatory core.
18463 regulatory_netlink_notify(notify->portid);
18467 static struct notifier_block nl80211_netlink_notifier = {
18468 .notifier_call = nl80211_netlink_notify,
18471 void cfg80211_ft_event(struct net_device *netdev,
18472 struct cfg80211_ft_event_params *ft_event)
18474 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
18475 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18476 struct sk_buff *msg;
18479 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
18481 if (!ft_event->target_ap)
18484 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
18489 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
18493 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18494 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18495 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
18498 if (ft_event->ies &&
18499 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
18501 if (ft_event->ric_ies &&
18502 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
18503 ft_event->ric_ies))
18506 genlmsg_end(msg, hdr);
18508 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18509 NL80211_MCGRP_MLME, GFP_KERNEL);
18514 EXPORT_SYMBOL(cfg80211_ft_event);
18516 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
18518 struct cfg80211_registered_device *rdev;
18519 struct sk_buff *msg;
18523 rdev = wiphy_to_rdev(wdev->wiphy);
18524 if (!rdev->crit_proto_nlportid)
18527 nlportid = rdev->crit_proto_nlportid;
18528 rdev->crit_proto_nlportid = 0;
18530 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18534 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
18536 goto nla_put_failure;
18538 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18539 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18541 goto nla_put_failure;
18543 genlmsg_end(msg, hdr);
18545 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18551 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
18553 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
18555 struct wiphy *wiphy = wdev->wiphy;
18556 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18557 struct sk_buff *msg;
18560 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18564 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
18568 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18569 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
18570 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18574 genlmsg_end(msg, hdr);
18576 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
18577 NL80211_MCGRP_MLME, GFP_KERNEL);
18583 int cfg80211_external_auth_request(struct net_device *dev,
18584 struct cfg80211_external_auth_params *params,
18587 struct wireless_dev *wdev = dev->ieee80211_ptr;
18588 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18589 struct sk_buff *msg;
18592 if (!wdev->conn_owner_nlportid)
18595 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18599 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
18601 goto nla_put_failure;
18603 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18604 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18605 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
18606 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
18608 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
18609 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
18610 params->ssid.ssid))
18611 goto nla_put_failure;
18613 genlmsg_end(msg, hdr);
18614 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
18615 wdev->conn_owner_nlportid);
18622 EXPORT_SYMBOL(cfg80211_external_auth_request);
18624 void cfg80211_update_owe_info_event(struct net_device *netdev,
18625 struct cfg80211_update_owe_info *owe_info,
18628 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
18629 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18630 struct sk_buff *msg;
18633 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
18635 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18639 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
18641 goto nla_put_failure;
18643 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18644 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18645 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
18646 goto nla_put_failure;
18648 if (!owe_info->ie_len ||
18649 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
18650 goto nla_put_failure;
18652 genlmsg_end(msg, hdr);
18654 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18655 NL80211_MCGRP_MLME, gfp);
18659 genlmsg_cancel(msg, hdr);
18662 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
18664 /* initialisation/exit functions */
18666 int __init nl80211_init(void)
18670 err = genl_register_family(&nl80211_fam);
18674 err = netlink_register_notifier(&nl80211_netlink_notifier);
18680 genl_unregister_family(&nl80211_fam);
18684 void nl80211_exit(void)
18686 netlink_unregister_notifier(&nl80211_netlink_notifier);
18687 genl_unregister_family(&nl80211_fam);