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) 2018-2021 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 /* policy for the attributes */
289 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
291 static const struct nla_policy
292 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
293 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
294 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
296 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
300 static const struct nla_policy
301 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
302 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
303 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
304 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
305 NLA_POLICY_MAX(NLA_U8, 15),
306 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
307 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
308 NLA_POLICY_MAX(NLA_U8, 15),
309 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
310 NLA_POLICY_MAX(NLA_U8, 31),
311 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
312 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
313 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
314 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
315 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
316 [NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK] = { .type = NLA_FLAG },
319 static const struct nla_policy
320 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
321 [NL80211_PMSR_TYPE_FTM] =
322 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
325 static const struct nla_policy
326 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
327 [NL80211_PMSR_REQ_ATTR_DATA] =
328 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
329 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
332 static const struct nla_policy
333 nl80211_pmsr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
334 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
335 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
336 [NL80211_PMSR_PEER_ATTR_REQ] =
337 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
338 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
341 static const struct nla_policy
342 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
343 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
344 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
345 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
346 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
347 [NL80211_PMSR_ATTR_PEERS] =
348 NLA_POLICY_NESTED_ARRAY(nl80211_pmsr_peer_attr_policy),
351 static const struct nla_policy
352 he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
353 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
354 NLA_POLICY_RANGE(NLA_U8, 1, 20),
355 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
356 NLA_POLICY_RANGE(NLA_U8, 1, 20),
357 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
358 NLA_POLICY_RANGE(NLA_U8, 1, 20),
359 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
360 NLA_POLICY_EXACT_LEN(8),
361 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
362 NLA_POLICY_EXACT_LEN(8),
363 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
366 static const struct nla_policy
367 he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
368 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
369 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
370 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
373 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
374 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
375 .len = NL80211_MAX_SUPP_RATES },
376 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
377 .len = NL80211_MAX_SUPP_HT_RATES },
378 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
379 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
380 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
381 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
382 NL80211_RATE_INFO_HE_GI_0_8,
383 NL80211_RATE_INFO_HE_GI_3_2),
384 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
385 NL80211_RATE_INFO_HE_1XLTF,
386 NL80211_RATE_INFO_HE_4XLTF),
389 static const struct nla_policy
390 nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
391 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
392 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
393 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
394 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
395 [NL80211_TID_CONFIG_ATTR_NOACK] =
396 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
397 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
398 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
399 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
400 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
401 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
402 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
403 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
404 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
405 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
406 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
407 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
408 NLA_POLICY_NESTED(nl80211_txattr_policy),
411 static const struct nla_policy
412 nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
413 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
414 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
415 [NL80211_FILS_DISCOVERY_ATTR_TMPL] =
416 NLA_POLICY_RANGE(NLA_BINARY,
417 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
418 IEEE80211_MAX_DATA_LEN),
421 static const struct nla_policy
422 nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
423 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
424 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
425 .len = IEEE80211_MAX_DATA_LEN }
428 static const struct nla_policy
429 sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = {
430 [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 },
431 [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 },
434 static const struct nla_policy
435 sar_policy[NL80211_SAR_ATTR_MAX + 1] = {
436 [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE),
437 [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy),
440 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
441 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
442 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
443 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
445 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
447 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
448 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
449 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
450 NL80211_EDMG_CHANNELS_MIN,
451 NL80211_EDMG_CHANNELS_MAX),
452 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
453 NL80211_EDMG_BW_CONFIG_MIN,
454 NL80211_EDMG_BW_CONFIG_MAX),
456 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
457 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
458 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
459 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
461 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
462 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
463 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
464 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
465 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
466 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
468 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
469 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
470 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
472 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
473 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
475 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
476 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
477 .len = WLAN_MAX_KEY_LEN },
478 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
479 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
480 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
481 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
482 [NL80211_ATTR_KEY_TYPE] =
483 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
485 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
486 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
487 [NL80211_ATTR_BEACON_HEAD] =
488 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
489 IEEE80211_MAX_DATA_LEN),
490 [NL80211_ATTR_BEACON_TAIL] =
491 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
492 IEEE80211_MAX_DATA_LEN),
493 [NL80211_ATTR_STA_AID] =
494 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
495 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
496 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
497 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
498 .len = NL80211_MAX_SUPP_RATES },
499 [NL80211_ATTR_STA_PLINK_ACTION] =
500 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
501 [NL80211_ATTR_STA_TX_POWER_SETTING] =
502 NLA_POLICY_RANGE(NLA_U8,
503 NL80211_TX_POWER_AUTOMATIC,
504 NL80211_TX_POWER_FIXED),
505 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
506 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
507 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
508 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
509 .len = IEEE80211_MAX_MESH_ID_LEN },
510 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
512 /* allow 3 for NUL-termination, we used to declare this NLA_STRING */
513 [NL80211_ATTR_REG_ALPHA2] = NLA_POLICY_RANGE(NLA_BINARY, 2, 3),
514 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
516 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
517 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
518 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
519 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
520 .len = NL80211_MAX_SUPP_RATES },
521 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
523 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
524 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
526 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
528 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
529 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
531 IEEE80211_MAX_DATA_LEN),
532 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
533 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
535 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
536 .len = IEEE80211_MAX_SSID_LEN },
537 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
538 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
539 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
540 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
541 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
543 NL80211_MFP_OPTIONAL),
544 [NL80211_ATTR_STA_FLAGS2] = {
545 .len = sizeof(struct nl80211_sta_flag_update),
547 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
548 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
549 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
550 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
551 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
552 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
553 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
554 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
555 [NL80211_ATTR_PID] = { .type = NLA_U32 },
556 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
557 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
558 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
559 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
560 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
561 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
562 .len = IEEE80211_MAX_DATA_LEN },
563 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
564 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
567 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
568 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
569 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
570 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
571 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
572 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
573 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
574 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
575 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
576 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
577 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
578 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
579 [NL80211_ATTR_STA_PLINK_STATE] =
580 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
581 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
582 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
583 [NL80211_ATTR_MESH_PEER_AID] =
584 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
585 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
586 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
587 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
588 [NL80211_ATTR_HIDDEN_SSID] =
589 NLA_POLICY_RANGE(NLA_U32,
590 NL80211_HIDDEN_SSID_NOT_IN_USE,
591 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
592 [NL80211_ATTR_IE_PROBE_RESP] =
593 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
594 IEEE80211_MAX_DATA_LEN),
595 [NL80211_ATTR_IE_ASSOC_RESP] =
596 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
597 IEEE80211_MAX_DATA_LEN),
598 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
599 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
600 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
601 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
602 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
603 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
604 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
605 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
606 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
607 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
608 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
609 .len = IEEE80211_MAX_DATA_LEN },
610 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
611 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
612 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
613 .len = NL80211_HT_CAPABILITY_LEN
615 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
616 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
617 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
618 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
619 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
621 /* need to include at least Auth Transaction and Status Code */
622 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
624 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
625 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
626 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
627 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
628 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
629 NLA_POLICY_RANGE(NLA_U32,
630 NL80211_MESH_POWER_UNKNOWN + 1,
631 NL80211_MESH_POWER_MAX),
632 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
633 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
634 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
635 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
636 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
637 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
638 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
639 .len = NL80211_VHT_CAPABILITY_LEN,
641 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
642 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
643 .len = IEEE80211_MAX_DATA_LEN },
644 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
645 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
646 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
647 [NL80211_ATTR_PEER_AID] =
648 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
649 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
650 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
651 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
652 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
653 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
654 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
656 * The value of the Length field of the Supported Operating
657 * Classes element is between 2 and 253.
659 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
660 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
661 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
662 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
663 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
664 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
665 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
666 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
667 IEEE80211_QOS_MAP_LEN_MIN,
668 IEEE80211_QOS_MAP_LEN_MAX),
669 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
670 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
671 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
672 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
673 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
674 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
675 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
676 [NL80211_ATTR_USER_PRIO] =
677 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
678 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
679 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
680 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
681 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
682 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
683 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
684 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
685 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
686 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
687 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
688 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
689 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
690 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
691 .len = VHT_MUMIMO_GROUPS_DATA_LEN
693 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
694 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
695 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
696 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
697 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
698 .len = FILS_MAX_KEK_LEN },
699 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
700 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
701 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
702 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
703 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
704 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
706 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
707 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
708 .len = FILS_ERP_MAX_USERNAME_LEN },
709 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
710 .len = FILS_ERP_MAX_REALM_LEN },
711 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
712 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
713 .len = FILS_ERP_MAX_RRK_LEN },
714 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
715 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
716 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
717 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
718 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
720 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
721 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
722 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
723 [NL80211_ATTR_HE_CAPABILITY] =
724 NLA_POLICY_RANGE(NLA_BINARY,
725 NL80211_HE_MIN_CAPABILITY_LEN,
726 NL80211_HE_MAX_CAPABILITY_LEN),
727 [NL80211_ATTR_FTM_RESPONDER] =
728 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
729 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
730 [NL80211_ATTR_PEER_MEASUREMENTS] =
731 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
732 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
733 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
734 .len = SAE_PASSWORD_MAX_LEN },
735 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
736 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
737 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
738 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
739 [NL80211_ATTR_TID_CONFIG] =
740 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
741 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
742 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
743 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
744 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
745 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
746 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
747 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
748 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
749 [NL80211_ATTR_FILS_DISCOVERY] =
750 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
751 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
752 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
753 [NL80211_ATTR_S1G_CAPABILITY] =
754 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
755 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
756 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
757 [NL80211_ATTR_SAE_PWE] =
758 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
759 NL80211_SAE_PWE_BOTH),
760 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
761 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
762 [NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG },
763 [NL80211_ATTR_OBSS_COLOR_BITMAP] = { .type = NLA_U64 },
764 [NL80211_ATTR_COLOR_CHANGE_COUNT] = { .type = NLA_U8 },
765 [NL80211_ATTR_COLOR_CHANGE_COLOR] = { .type = NLA_U8 },
766 [NL80211_ATTR_COLOR_CHANGE_ELEMS] = NLA_POLICY_NESTED(nl80211_policy),
769 /* policy for the key attributes */
770 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
771 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
772 [NL80211_KEY_IDX] = { .type = NLA_U8 },
773 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
774 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
775 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
776 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
777 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
778 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
779 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
782 /* policy for the key default flags */
783 static const struct nla_policy
784 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
785 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
786 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
790 /* policy for WoWLAN attributes */
791 static const struct nla_policy
792 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
793 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
794 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
795 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
796 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
797 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
798 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
799 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
800 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
801 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
802 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
805 static const struct nla_policy
806 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
807 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
808 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
809 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
810 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
811 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
812 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
813 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
814 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
816 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
817 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
819 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
820 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
821 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
823 #endif /* CONFIG_PM */
825 /* policy for coalesce rule attributes */
826 static const struct nla_policy
827 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
828 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
829 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
830 NLA_POLICY_RANGE(NLA_U32,
831 NL80211_COALESCE_CONDITION_MATCH,
832 NL80211_COALESCE_CONDITION_NO_MATCH),
833 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
836 /* policy for GTK rekey offload attributes */
837 static const struct nla_policy
838 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
839 [NL80211_REKEY_DATA_KEK] = {
841 .len = NL80211_KEK_EXT_LEN
843 [NL80211_REKEY_DATA_KCK] = {
845 .len = NL80211_KCK_EXT_LEN
847 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
848 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
851 static const struct nla_policy
852 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
853 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
854 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
855 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
856 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
859 static const struct nla_policy
860 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
861 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
862 .len = IEEE80211_MAX_SSID_LEN },
863 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
864 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
865 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
866 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
869 static const struct nla_policy
870 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
871 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
872 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
875 static const struct nla_policy
876 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
877 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
878 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
879 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
880 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
884 /* policy for NAN function attributes */
885 static const struct nla_policy
886 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
887 [NL80211_NAN_FUNC_TYPE] =
888 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
889 [NL80211_NAN_FUNC_SERVICE_ID] = {
890 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
891 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
892 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
893 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
894 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
895 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
896 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
897 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
898 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
899 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
900 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
901 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
902 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
903 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
904 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
905 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
908 /* policy for Service Response Filter attributes */
909 static const struct nla_policy
910 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
911 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
912 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
913 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
914 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
915 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
918 /* policy for packet pattern attributes */
919 static const struct nla_policy
920 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
921 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
922 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
923 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
926 static int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
927 struct cfg80211_registered_device **rdev,
928 struct wireless_dev **wdev,
929 struct nlattr **attrbuf)
934 struct nlattr **attrbuf_free = NULL;
937 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
941 attrbuf_free = attrbuf;
944 err = nlmsg_parse_deprecated(cb->nlh,
945 GENL_HDRLEN + nl80211_fam.hdrsize,
946 attrbuf, nl80211_fam.maxattr,
947 nl80211_policy, NULL);
954 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
959 return PTR_ERR(*wdev);
961 *rdev = wiphy_to_rdev((*wdev)->wiphy);
962 mutex_lock(&(*rdev)->wiphy.mtx);
964 /* 0 is the first index - add 1 to parse only once */
965 cb->args[0] = (*rdev)->wiphy_idx + 1;
966 cb->args[1] = (*wdev)->identifier;
968 /* subtract the 1 again here */
970 struct wireless_dev *tmp;
973 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
978 *rdev = wiphy_to_rdev(wiphy);
981 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
982 if (tmp->identifier == cb->args[1]) {
992 mutex_lock(&(*rdev)->wiphy.mtx);
999 /* message building helper */
1000 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
1003 /* since there is no private header just add the generic one */
1004 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
1007 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
1008 const struct ieee80211_reg_rule *rule)
1011 struct nlattr *nl_wmm_rules =
1012 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
1015 goto nla_put_failure;
1017 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
1018 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
1021 goto nla_put_failure;
1023 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
1024 rule->wmm_rule.client[j].cw_min) ||
1025 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
1026 rule->wmm_rule.client[j].cw_max) ||
1027 nla_put_u8(msg, NL80211_WMMR_AIFSN,
1028 rule->wmm_rule.client[j].aifsn) ||
1029 nla_put_u16(msg, NL80211_WMMR_TXOP,
1030 rule->wmm_rule.client[j].cot))
1031 goto nla_put_failure;
1033 nla_nest_end(msg, nl_wmm_rule);
1035 nla_nest_end(msg, nl_wmm_rules);
1043 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
1044 struct ieee80211_channel *chan,
1047 /* Some channels must be completely excluded from the
1048 * list to protect old user-space tools from breaking
1050 if (!large && chan->flags &
1051 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1053 if (!large && chan->freq_offset)
1056 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1058 goto nla_put_failure;
1060 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1061 goto nla_put_failure;
1063 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1064 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1065 goto nla_put_failure;
1066 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1067 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1068 goto nla_put_failure;
1069 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1070 goto nla_put_failure;
1072 if (chan->flags & IEEE80211_CHAN_RADAR) {
1073 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1074 goto nla_put_failure;
1078 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1080 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1082 goto nla_put_failure;
1083 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1085 goto nla_put_failure;
1086 if (nla_put_u32(msg,
1087 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1089 goto nla_put_failure;
1094 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1095 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1096 goto nla_put_failure;
1097 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1098 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1099 goto nla_put_failure;
1100 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1101 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1102 goto nla_put_failure;
1103 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1104 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1105 goto nla_put_failure;
1106 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1107 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1108 goto nla_put_failure;
1109 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1110 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
1111 goto nla_put_failure;
1112 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1113 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1114 goto nla_put_failure;
1115 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1116 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1117 goto nla_put_failure;
1118 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1119 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1120 goto nla_put_failure;
1121 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1122 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1123 goto nla_put_failure;
1124 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1125 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1126 goto nla_put_failure;
1127 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1128 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1129 goto nla_put_failure;
1130 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1131 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1132 goto nla_put_failure;
1133 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1134 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1135 goto nla_put_failure;
1138 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1139 DBM_TO_MBM(chan->max_power)))
1140 goto nla_put_failure;
1143 const struct ieee80211_reg_rule *rule =
1144 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
1146 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
1147 if (nl80211_msg_put_wmm_rules(msg, rule))
1148 goto nla_put_failure;
1158 static bool nl80211_put_txq_stats(struct sk_buff *msg,
1159 struct cfg80211_txq_stats *txqstats,
1162 struct nlattr *txqattr;
1164 #define PUT_TXQVAL_U32(attr, memb) do { \
1165 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1166 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1170 txqattr = nla_nest_start_noflag(msg, attrtype);
1174 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1175 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1176 PUT_TXQVAL_U32(FLOWS, flows);
1177 PUT_TXQVAL_U32(DROPS, drops);
1178 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1179 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1180 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1181 PUT_TXQVAL_U32(COLLISIONS, collisions);
1182 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1183 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1184 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1185 nla_nest_end(msg, txqattr);
1187 #undef PUT_TXQVAL_U32
1191 /* netlink command implementations */
1194 struct key_params p;
1197 bool def, defmgmt, defbeacon;
1198 bool def_uni, def_multi;
1201 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1202 struct key_parse *k)
1204 struct nlattr *tb[NL80211_KEY_MAX + 1];
1205 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1211 k->def = !!tb[NL80211_KEY_DEFAULT];
1212 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1213 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
1217 k->def_multi = true;
1219 if (k->defmgmt || k->defbeacon)
1220 k->def_multi = true;
1222 if (tb[NL80211_KEY_IDX])
1223 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1225 if (tb[NL80211_KEY_DATA]) {
1226 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1227 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1230 if (tb[NL80211_KEY_SEQ]) {
1231 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1232 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1235 if (tb[NL80211_KEY_CIPHER])
1236 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1238 if (tb[NL80211_KEY_TYPE])
1239 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1241 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1242 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1244 err = nla_parse_nested_deprecated(kdt,
1245 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1246 tb[NL80211_KEY_DEFAULT_TYPES],
1247 nl80211_key_default_policy,
1252 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1253 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1256 if (tb[NL80211_KEY_MODE])
1257 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1262 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1264 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1265 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1266 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1269 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1270 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1271 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1274 if (info->attrs[NL80211_ATTR_KEY_IDX])
1275 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1277 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1278 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1280 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1281 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1285 k->def_multi = true;
1288 k->def_multi = true;
1290 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1291 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1293 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1294 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1295 int err = nla_parse_nested_deprecated(kdt,
1296 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1297 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1298 nl80211_key_default_policy,
1303 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1304 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1310 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1314 memset(k, 0, sizeof(*k));
1318 if (info->attrs[NL80211_ATTR_KEY])
1319 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1321 err = nl80211_parse_key_old(info, k);
1326 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1327 (k->defbeacon ? 1 : 0) > 1) {
1328 GENL_SET_ERR_MSG(info,
1329 "key with multiple default flags is invalid");
1333 if (k->defmgmt || k->defbeacon) {
1334 if (k->def_uni || !k->def_multi) {
1335 GENL_SET_ERR_MSG(info,
1336 "defmgmt/defbeacon key must be mcast");
1343 if (k->idx < 4 || k->idx > 5) {
1344 GENL_SET_ERR_MSG(info,
1345 "defmgmt key idx not 4 or 5");
1348 } else if (k->defbeacon) {
1349 if (k->idx < 6 || k->idx > 7) {
1350 GENL_SET_ERR_MSG(info,
1351 "defbeacon key idx not 6 or 7");
1354 } else if (k->def) {
1355 if (k->idx < 0 || k->idx > 3) {
1356 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1360 if (k->idx < 0 || k->idx > 7) {
1361 GENL_SET_ERR_MSG(info, "key idx not 0-7");
1370 static struct cfg80211_cached_keys *
1371 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1372 struct genl_info *info, bool *no_ht)
1374 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1375 struct key_parse parse;
1377 struct cfg80211_cached_keys *result;
1378 int rem, err, def = 0;
1379 bool have_key = false;
1381 nla_for_each_nested(key, keys, rem) {
1389 result = kzalloc(sizeof(*result), GFP_KERNEL);
1391 return ERR_PTR(-ENOMEM);
1395 nla_for_each_nested(key, keys, rem) {
1396 memset(&parse, 0, sizeof(parse));
1399 err = nl80211_parse_key_new(info, key, &parse);
1405 if (parse.idx < 0 || parse.idx > 3) {
1406 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1411 GENL_SET_ERR_MSG(info,
1412 "only one key can be default");
1416 result->def = parse.idx;
1417 if (!parse.def_uni || !parse.def_multi)
1419 } else if (parse.defmgmt)
1421 err = cfg80211_validate_key_settings(rdev, &parse.p,
1422 parse.idx, false, NULL);
1425 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1426 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1427 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1431 result->params[parse.idx].cipher = parse.p.cipher;
1432 result->params[parse.idx].key_len = parse.p.key_len;
1433 result->params[parse.idx].key = result->data[parse.idx];
1434 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1436 /* must be WEP key if we got here */
1441 if (result->def < 0) {
1443 GENL_SET_ERR_MSG(info, "need a default/TX key");
1450 return ERR_PTR(err);
1453 static int nl80211_key_allowed(struct wireless_dev *wdev)
1455 ASSERT_WDEV_LOCK(wdev);
1457 switch (wdev->iftype) {
1458 case NL80211_IFTYPE_AP:
1459 case NL80211_IFTYPE_AP_VLAN:
1460 case NL80211_IFTYPE_P2P_GO:
1461 case NL80211_IFTYPE_MESH_POINT:
1463 case NL80211_IFTYPE_ADHOC:
1464 case NL80211_IFTYPE_STATION:
1465 case NL80211_IFTYPE_P2P_CLIENT:
1466 if (!wdev->current_bss)
1469 case NL80211_IFTYPE_UNSPECIFIED:
1470 case NL80211_IFTYPE_OCB:
1471 case NL80211_IFTYPE_MONITOR:
1472 case NL80211_IFTYPE_NAN:
1473 case NL80211_IFTYPE_P2P_DEVICE:
1474 case NL80211_IFTYPE_WDS:
1475 case NUM_NL80211_IFTYPES:
1482 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1485 struct ieee80211_channel *chan;
1487 chan = ieee80211_get_channel_khz(wiphy, freq);
1488 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1493 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1495 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1499 goto nla_put_failure;
1503 if ((ifmodes & 1) && nla_put_flag(msg, i))
1504 goto nla_put_failure;
1509 nla_nest_end(msg, nl_modes);
1516 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1517 struct sk_buff *msg,
1520 struct nlattr *nl_combis;
1523 nl_combis = nla_nest_start_noflag(msg,
1524 NL80211_ATTR_INTERFACE_COMBINATIONS);
1526 goto nla_put_failure;
1528 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1529 const struct ieee80211_iface_combination *c;
1530 struct nlattr *nl_combi, *nl_limits;
1532 c = &wiphy->iface_combinations[i];
1534 nl_combi = nla_nest_start_noflag(msg, i + 1);
1536 goto nla_put_failure;
1538 nl_limits = nla_nest_start_noflag(msg,
1539 NL80211_IFACE_COMB_LIMITS);
1541 goto nla_put_failure;
1543 for (j = 0; j < c->n_limits; j++) {
1544 struct nlattr *nl_limit;
1546 nl_limit = nla_nest_start_noflag(msg, j + 1);
1548 goto nla_put_failure;
1549 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1551 goto nla_put_failure;
1552 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1553 c->limits[j].types))
1554 goto nla_put_failure;
1555 nla_nest_end(msg, nl_limit);
1558 nla_nest_end(msg, nl_limits);
1560 if (c->beacon_int_infra_match &&
1561 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1562 goto nla_put_failure;
1563 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1564 c->num_different_channels) ||
1565 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1567 goto nla_put_failure;
1569 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1570 c->radar_detect_widths) ||
1571 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1572 c->radar_detect_regions)))
1573 goto nla_put_failure;
1574 if (c->beacon_int_min_gcd &&
1575 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1576 c->beacon_int_min_gcd))
1577 goto nla_put_failure;
1579 nla_nest_end(msg, nl_combi);
1582 nla_nest_end(msg, nl_combis);
1590 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1591 struct sk_buff *msg)
1593 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1594 struct nlattr *nl_tcp;
1599 nl_tcp = nla_nest_start_noflag(msg,
1600 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1604 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1605 tcp->data_payload_max))
1608 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1609 tcp->data_payload_max))
1612 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1615 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1616 sizeof(*tcp->tok), tcp->tok))
1619 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1620 tcp->data_interval_max))
1623 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1624 tcp->wake_payload_max))
1627 nla_nest_end(msg, nl_tcp);
1631 static int nl80211_send_wowlan(struct sk_buff *msg,
1632 struct cfg80211_registered_device *rdev,
1635 struct nlattr *nl_wowlan;
1637 if (!rdev->wiphy.wowlan)
1640 nl_wowlan = nla_nest_start_noflag(msg,
1641 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1645 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1646 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1647 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1648 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1649 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1650 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1651 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1652 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1653 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1654 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1655 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1656 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1657 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1658 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1659 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1660 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1663 if (rdev->wiphy.wowlan->n_patterns) {
1664 struct nl80211_pattern_support pat = {
1665 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1666 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1667 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1668 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1671 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1676 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1677 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1678 rdev->wiphy.wowlan->max_nd_match_sets))
1681 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1684 nla_nest_end(msg, nl_wowlan);
1690 static int nl80211_send_coalesce(struct sk_buff *msg,
1691 struct cfg80211_registered_device *rdev)
1693 struct nl80211_coalesce_rule_support rule;
1695 if (!rdev->wiphy.coalesce)
1698 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1699 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1700 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1701 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1702 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1703 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1705 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1712 nl80211_send_iftype_data(struct sk_buff *msg,
1713 const struct ieee80211_supported_band *sband,
1714 const struct ieee80211_sband_iftype_data *iftdata)
1716 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1718 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1719 iftdata->types_mask))
1722 if (he_cap->has_he) {
1723 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1724 sizeof(he_cap->he_cap_elem.mac_cap_info),
1725 he_cap->he_cap_elem.mac_cap_info) ||
1726 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1727 sizeof(he_cap->he_cap_elem.phy_cap_info),
1728 he_cap->he_cap_elem.phy_cap_info) ||
1729 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1730 sizeof(he_cap->he_mcs_nss_supp),
1731 &he_cap->he_mcs_nss_supp) ||
1732 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1733 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1737 if (sband->band == NL80211_BAND_6GHZ &&
1738 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1739 sizeof(iftdata->he_6ghz_capa),
1740 &iftdata->he_6ghz_capa))
1743 if (iftdata->vendor_elems.data && iftdata->vendor_elems.len &&
1744 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_VENDOR_ELEMS,
1745 iftdata->vendor_elems.len, iftdata->vendor_elems.data))
1751 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1752 struct ieee80211_supported_band *sband,
1755 struct nlattr *nl_rates, *nl_rate;
1756 struct ieee80211_rate *rate;
1760 if (sband->ht_cap.ht_supported &&
1761 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1762 sizeof(sband->ht_cap.mcs),
1763 &sband->ht_cap.mcs) ||
1764 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1765 sband->ht_cap.cap) ||
1766 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1767 sband->ht_cap.ampdu_factor) ||
1768 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1769 sband->ht_cap.ampdu_density)))
1773 if (sband->vht_cap.vht_supported &&
1774 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1775 sizeof(sband->vht_cap.vht_mcs),
1776 &sband->vht_cap.vht_mcs) ||
1777 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1778 sband->vht_cap.cap)))
1781 if (large && sband->n_iftype_data) {
1782 struct nlattr *nl_iftype_data =
1783 nla_nest_start_noflag(msg,
1784 NL80211_BAND_ATTR_IFTYPE_DATA);
1787 if (!nl_iftype_data)
1790 for (i = 0; i < sband->n_iftype_data; i++) {
1791 struct nlattr *iftdata;
1793 iftdata = nla_nest_start_noflag(msg, i + 1);
1797 err = nl80211_send_iftype_data(msg, sband,
1798 &sband->iftype_data[i]);
1802 nla_nest_end(msg, iftdata);
1805 nla_nest_end(msg, nl_iftype_data);
1809 if (large && sband->edmg_cap.channels &&
1810 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1811 sband->edmg_cap.channels) ||
1812 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1813 sband->edmg_cap.bw_config)))
1818 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1822 for (i = 0; i < sband->n_bitrates; i++) {
1823 nl_rate = nla_nest_start_noflag(msg, i);
1827 rate = &sband->bitrates[i];
1828 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1831 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1833 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1836 nla_nest_end(msg, nl_rate);
1839 nla_nest_end(msg, nl_rates);
1845 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1846 const struct ieee80211_txrx_stypes *mgmt_stypes)
1849 struct nlattr *nl_ftypes, *nl_ifs;
1850 enum nl80211_iftype ift;
1856 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1860 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1861 nl_ftypes = nla_nest_start_noflag(msg, ift);
1865 stypes = mgmt_stypes[ift].tx;
1868 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1869 (i << 4) | IEEE80211_FTYPE_MGMT))
1874 nla_nest_end(msg, nl_ftypes);
1877 nla_nest_end(msg, nl_ifs);
1879 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1883 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1884 nl_ftypes = nla_nest_start_noflag(msg, ift);
1888 stypes = mgmt_stypes[ift].rx;
1891 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1892 (i << 4) | IEEE80211_FTYPE_MGMT))
1897 nla_nest_end(msg, nl_ftypes);
1899 nla_nest_end(msg, nl_ifs);
1904 #define CMD(op, n) \
1906 if (rdev->ops->op) { \
1908 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1909 goto nla_put_failure; \
1913 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1914 struct sk_buff *msg)
1919 * do *NOT* add anything into this function, new things need to be
1920 * advertised only to new versions of userspace that can deal with
1921 * the split (and they can't possibly care about new features...
1923 CMD(add_virtual_intf, NEW_INTERFACE);
1924 CMD(change_virtual_intf, SET_INTERFACE);
1925 CMD(add_key, NEW_KEY);
1926 CMD(start_ap, START_AP);
1927 CMD(add_station, NEW_STATION);
1928 CMD(add_mpath, NEW_MPATH);
1929 CMD(update_mesh_config, SET_MESH_CONFIG);
1930 CMD(change_bss, SET_BSS);
1931 CMD(auth, AUTHENTICATE);
1932 CMD(assoc, ASSOCIATE);
1933 CMD(deauth, DEAUTHENTICATE);
1934 CMD(disassoc, DISASSOCIATE);
1935 CMD(join_ibss, JOIN_IBSS);
1936 CMD(join_mesh, JOIN_MESH);
1937 CMD(set_pmksa, SET_PMKSA);
1938 CMD(del_pmksa, DEL_PMKSA);
1939 CMD(flush_pmksa, FLUSH_PMKSA);
1940 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1941 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1942 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1943 CMD(mgmt_tx, FRAME);
1944 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1945 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1947 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1948 goto nla_put_failure;
1950 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1951 rdev->ops->join_mesh) {
1953 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1954 goto nla_put_failure;
1956 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1957 CMD(tdls_mgmt, TDLS_MGMT);
1958 CMD(tdls_oper, TDLS_OPER);
1960 if (rdev->wiphy.max_sched_scan_reqs)
1961 CMD(sched_scan_start, START_SCHED_SCAN);
1962 CMD(probe_client, PROBE_CLIENT);
1963 CMD(set_noack_map, SET_NOACK_MAP);
1964 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1966 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1967 goto nla_put_failure;
1969 CMD(start_p2p_device, START_P2P_DEVICE);
1970 CMD(set_mcast_rate, SET_MCAST_RATE);
1971 #ifdef CONFIG_NL80211_TESTMODE
1972 CMD(testmode_cmd, TESTMODE);
1975 if (rdev->ops->connect || rdev->ops->auth) {
1977 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1978 goto nla_put_failure;
1981 if (rdev->ops->disconnect || rdev->ops->deauth) {
1983 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1984 goto nla_put_failure;
1993 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1994 struct sk_buff *msg)
1998 if (!cap->ftm.supported)
2001 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
2005 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
2007 if (cap->ftm.non_asap &&
2008 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
2010 if (cap->ftm.request_lci &&
2011 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
2013 if (cap->ftm.request_civicloc &&
2014 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
2016 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
2017 cap->ftm.preambles))
2019 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2020 cap->ftm.bandwidths))
2022 if (cap->ftm.max_bursts_exponent >= 0 &&
2023 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2024 cap->ftm.max_bursts_exponent))
2026 if (cap->ftm.max_ftms_per_burst &&
2027 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2028 cap->ftm.max_ftms_per_burst))
2030 if (cap->ftm.trigger_based &&
2031 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2033 if (cap->ftm.non_trigger_based &&
2034 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2037 nla_nest_end(msg, ftm);
2041 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2042 struct sk_buff *msg)
2044 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2045 struct nlattr *pmsr, *caps;
2051 * we don't need to clean up anything here since the caller
2052 * will genlmsg_cancel() if we fail
2055 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
2059 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2062 if (cap->report_ap_tsf &&
2063 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2066 if (cap->randomize_mac_addr &&
2067 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2070 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
2074 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2077 nla_nest_end(msg, caps);
2078 nla_nest_end(msg, pmsr);
2084 nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2085 struct sk_buff *msg)
2088 struct nlattr *nested, *nested_akms;
2089 const struct wiphy_iftype_akm_suites *iftype_akms;
2091 if (!rdev->wiphy.num_iftype_akm_suites ||
2092 !rdev->wiphy.iftype_akm_suites)
2095 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2099 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2100 nested_akms = nla_nest_start(msg, i + 1);
2104 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2106 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2107 iftype_akms->iftypes_mask))
2110 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2111 sizeof(u32) * iftype_akms->n_akm_suites,
2112 iftype_akms->akm_suites)) {
2115 nla_nest_end(msg, nested_akms);
2118 nla_nest_end(msg, nested);
2124 nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2125 struct sk_buff *msg)
2127 struct nlattr *supp;
2129 if (!rdev->wiphy.tid_config_support.vif &&
2130 !rdev->wiphy.tid_config_support.peer)
2133 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2137 if (rdev->wiphy.tid_config_support.vif &&
2138 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2139 rdev->wiphy.tid_config_support.vif,
2140 NL80211_TID_CONFIG_ATTR_PAD))
2143 if (rdev->wiphy.tid_config_support.peer &&
2144 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2145 rdev->wiphy.tid_config_support.peer,
2146 NL80211_TID_CONFIG_ATTR_PAD))
2149 /* for now we just use the same value ... makes more sense */
2150 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2151 rdev->wiphy.tid_config_support.max_retry))
2153 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2154 rdev->wiphy.tid_config_support.max_retry))
2157 nla_nest_end(msg, supp);
2161 nla_nest_cancel(msg, supp);
2166 nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2167 struct sk_buff *msg)
2169 struct nlattr *sar_capa, *specs, *sub_freq_range;
2173 if (!rdev->wiphy.sar_capa)
2176 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2178 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2182 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2185 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2189 /* report supported freq_ranges */
2190 for (i = 0; i < num_freq_ranges; i++) {
2191 sub_freq_range = nla_nest_start(msg, i + 1);
2192 if (!sub_freq_range)
2195 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2196 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2199 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2200 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2203 nla_nest_end(msg, sub_freq_range);
2206 nla_nest_end(msg, specs);
2207 nla_nest_end(msg, sar_capa);
2211 nla_nest_cancel(msg, sar_capa);
2215 struct nl80211_dump_wiphy_state {
2218 long split_start, band_start, chan_start, capa_start;
2222 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
2223 enum nl80211_commands cmd,
2224 struct sk_buff *msg, u32 portid, u32 seq,
2225 int flags, struct nl80211_dump_wiphy_state *state)
2228 struct nlattr *nl_bands, *nl_band;
2229 struct nlattr *nl_freqs, *nl_freq;
2230 struct nlattr *nl_cmds;
2231 enum nl80211_band band;
2232 struct ieee80211_channel *chan;
2234 const struct ieee80211_txrx_stypes *mgmt_stypes =
2235 rdev->wiphy.mgmt_stypes;
2238 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2242 if (WARN_ON(!state))
2245 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2246 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
2247 wiphy_name(&rdev->wiphy)) ||
2248 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2249 cfg80211_rdev_list_generation))
2250 goto nla_put_failure;
2252 if (cmd != NL80211_CMD_NEW_WIPHY)
2255 switch (state->split_start) {
2257 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
2258 rdev->wiphy.retry_short) ||
2259 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
2260 rdev->wiphy.retry_long) ||
2261 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
2262 rdev->wiphy.frag_threshold) ||
2263 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
2264 rdev->wiphy.rts_threshold) ||
2265 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
2266 rdev->wiphy.coverage_class) ||
2267 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
2268 rdev->wiphy.max_scan_ssids) ||
2269 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
2270 rdev->wiphy.max_sched_scan_ssids) ||
2271 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
2272 rdev->wiphy.max_scan_ie_len) ||
2273 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
2274 rdev->wiphy.max_sched_scan_ie_len) ||
2275 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
2276 rdev->wiphy.max_match_sets))
2277 goto nla_put_failure;
2279 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
2280 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
2281 goto nla_put_failure;
2282 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
2283 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2284 goto nla_put_failure;
2285 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2286 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2287 goto nla_put_failure;
2288 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
2289 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2290 goto nla_put_failure;
2291 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2292 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2293 goto nla_put_failure;
2294 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
2295 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
2296 goto nla_put_failure;
2297 state->split_start++;
2302 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
2303 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2304 rdev->wiphy.cipher_suites))
2305 goto nla_put_failure;
2307 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
2308 rdev->wiphy.max_num_pmkids))
2309 goto nla_put_failure;
2311 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
2312 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
2313 goto nla_put_failure;
2315 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
2316 rdev->wiphy.available_antennas_tx) ||
2317 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2318 rdev->wiphy.available_antennas_rx))
2319 goto nla_put_failure;
2321 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2322 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2323 rdev->wiphy.probe_resp_offload))
2324 goto nla_put_failure;
2326 if ((rdev->wiphy.available_antennas_tx ||
2327 rdev->wiphy.available_antennas_rx) &&
2328 rdev->ops->get_antenna) {
2329 u32 tx_ant = 0, rx_ant = 0;
2332 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2334 if (nla_put_u32(msg,
2335 NL80211_ATTR_WIPHY_ANTENNA_TX,
2338 NL80211_ATTR_WIPHY_ANTENNA_RX,
2340 goto nla_put_failure;
2344 state->split_start++;
2349 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2350 rdev->wiphy.interface_modes))
2351 goto nla_put_failure;
2352 state->split_start++;
2357 nl_bands = nla_nest_start_noflag(msg,
2358 NL80211_ATTR_WIPHY_BANDS);
2360 goto nla_put_failure;
2362 for (band = state->band_start;
2363 band < (state->split ?
2365 NL80211_BAND_60GHZ + 1);
2367 struct ieee80211_supported_band *sband;
2369 /* omit higher bands for ancient software */
2370 if (band > NL80211_BAND_5GHZ && !state->split)
2373 sband = rdev->wiphy.bands[band];
2378 nl_band = nla_nest_start_noflag(msg, band);
2380 goto nla_put_failure;
2382 switch (state->chan_start) {
2384 if (nl80211_send_band_rateinfo(msg, sband,
2386 goto nla_put_failure;
2387 state->chan_start++;
2392 /* add frequencies */
2393 nl_freqs = nla_nest_start_noflag(msg,
2394 NL80211_BAND_ATTR_FREQS);
2396 goto nla_put_failure;
2398 for (i = state->chan_start - 1;
2399 i < sband->n_channels;
2401 nl_freq = nla_nest_start_noflag(msg,
2404 goto nla_put_failure;
2406 chan = &sband->channels[i];
2408 if (nl80211_msg_put_channel(
2409 msg, &rdev->wiphy, chan,
2411 goto nla_put_failure;
2413 nla_nest_end(msg, nl_freq);
2417 if (i < sband->n_channels)
2418 state->chan_start = i + 2;
2420 state->chan_start = 0;
2421 nla_nest_end(msg, nl_freqs);
2424 nla_nest_end(msg, nl_band);
2427 /* start again here */
2428 if (state->chan_start)
2433 nla_nest_end(msg, nl_bands);
2435 if (band < NUM_NL80211_BANDS)
2436 state->band_start = band + 1;
2438 state->band_start = 0;
2440 /* if bands & channels are done, continue outside */
2441 if (state->band_start == 0 && state->chan_start == 0)
2442 state->split_start++;
2447 nl_cmds = nla_nest_start_noflag(msg,
2448 NL80211_ATTR_SUPPORTED_COMMANDS);
2450 goto nla_put_failure;
2452 i = nl80211_add_commands_unsplit(rdev, msg);
2454 goto nla_put_failure;
2456 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2457 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2458 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2459 CMD(channel_switch, CHANNEL_SWITCH);
2460 CMD(set_qos_map, SET_QOS_MAP);
2461 if (rdev->wiphy.features &
2462 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2463 CMD(add_tx_ts, ADD_TX_TS);
2464 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2465 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2466 CMD(update_ft_ies, UPDATE_FT_IES);
2467 if (rdev->wiphy.sar_capa)
2468 CMD(set_sar_specs, SET_SAR_SPECS);
2472 nla_nest_end(msg, nl_cmds);
2473 state->split_start++;
2478 if (rdev->ops->remain_on_channel &&
2479 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2481 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2482 rdev->wiphy.max_remain_on_channel_duration))
2483 goto nla_put_failure;
2485 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2486 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2487 goto nla_put_failure;
2489 state->split_start++;
2495 if (nl80211_send_wowlan(msg, rdev, state->split))
2496 goto nla_put_failure;
2497 state->split_start++;
2501 state->split_start++;
2505 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2506 rdev->wiphy.software_iftypes))
2507 goto nla_put_failure;
2509 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2511 goto nla_put_failure;
2513 state->split_start++;
2518 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2519 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2520 rdev->wiphy.ap_sme_capa))
2521 goto nla_put_failure;
2523 features = rdev->wiphy.features;
2525 * We can only add the per-channel limit information if the
2526 * dump is split, otherwise it makes it too big. Therefore
2527 * only advertise it in that case.
2530 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2531 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2532 goto nla_put_failure;
2534 if (rdev->wiphy.ht_capa_mod_mask &&
2535 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2536 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2537 rdev->wiphy.ht_capa_mod_mask))
2538 goto nla_put_failure;
2540 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2541 rdev->wiphy.max_acl_mac_addrs &&
2542 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2543 rdev->wiphy.max_acl_mac_addrs))
2544 goto nla_put_failure;
2547 * Any information below this point is only available to
2548 * applications that can deal with it being split. This
2549 * helps ensure that newly added capabilities don't break
2550 * older tools by overrunning their buffers.
2552 * We still increment split_start so that in the split
2553 * case we'll continue with more data in the next round,
2554 * but break unconditionally so unsplit data stops here.
2557 state->split_start++;
2559 state->split_start = 0;
2562 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2563 goto nla_put_failure;
2565 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2566 rdev->wiphy.max_sched_scan_plans) ||
2567 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2568 rdev->wiphy.max_sched_scan_plan_interval) ||
2569 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2570 rdev->wiphy.max_sched_scan_plan_iterations))
2571 goto nla_put_failure;
2573 if (rdev->wiphy.extended_capabilities &&
2574 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2575 rdev->wiphy.extended_capabilities_len,
2576 rdev->wiphy.extended_capabilities) ||
2577 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2578 rdev->wiphy.extended_capabilities_len,
2579 rdev->wiphy.extended_capabilities_mask)))
2580 goto nla_put_failure;
2582 if (rdev->wiphy.vht_capa_mod_mask &&
2583 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2584 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2585 rdev->wiphy.vht_capa_mod_mask))
2586 goto nla_put_failure;
2588 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2589 rdev->wiphy.perm_addr))
2590 goto nla_put_failure;
2592 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2593 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2594 rdev->wiphy.addr_mask))
2595 goto nla_put_failure;
2597 if (rdev->wiphy.n_addresses > 1) {
2600 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2602 goto nla_put_failure;
2604 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2605 if (nla_put(msg, i + 1, ETH_ALEN,
2606 rdev->wiphy.addresses[i].addr))
2607 goto nla_put_failure;
2609 nla_nest_end(msg, attr);
2612 state->split_start++;
2615 if (nl80211_send_coalesce(msg, rdev))
2616 goto nla_put_failure;
2618 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2619 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2620 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2621 goto nla_put_failure;
2623 if (rdev->wiphy.max_ap_assoc_sta &&
2624 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2625 rdev->wiphy.max_ap_assoc_sta))
2626 goto nla_put_failure;
2628 state->split_start++;
2631 if (rdev->wiphy.n_vendor_commands) {
2632 const struct nl80211_vendor_cmd_info *info;
2633 struct nlattr *nested;
2635 nested = nla_nest_start_noflag(msg,
2636 NL80211_ATTR_VENDOR_DATA);
2638 goto nla_put_failure;
2640 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2641 info = &rdev->wiphy.vendor_commands[i].info;
2642 if (nla_put(msg, i + 1, sizeof(*info), info))
2643 goto nla_put_failure;
2645 nla_nest_end(msg, nested);
2648 if (rdev->wiphy.n_vendor_events) {
2649 const struct nl80211_vendor_cmd_info *info;
2650 struct nlattr *nested;
2652 nested = nla_nest_start_noflag(msg,
2653 NL80211_ATTR_VENDOR_EVENTS);
2655 goto nla_put_failure;
2657 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2658 info = &rdev->wiphy.vendor_events[i];
2659 if (nla_put(msg, i + 1, sizeof(*info), info))
2660 goto nla_put_failure;
2662 nla_nest_end(msg, nested);
2664 state->split_start++;
2667 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2668 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2669 rdev->wiphy.max_num_csa_counters))
2670 goto nla_put_failure;
2672 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2673 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2674 goto nla_put_failure;
2676 if (rdev->wiphy.max_sched_scan_reqs &&
2677 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2678 rdev->wiphy.max_sched_scan_reqs))
2679 goto nla_put_failure;
2681 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2682 sizeof(rdev->wiphy.ext_features),
2683 rdev->wiphy.ext_features))
2684 goto nla_put_failure;
2686 if (rdev->wiphy.bss_select_support) {
2687 struct nlattr *nested;
2688 u32 bss_select_support = rdev->wiphy.bss_select_support;
2690 nested = nla_nest_start_noflag(msg,
2691 NL80211_ATTR_BSS_SELECT);
2693 goto nla_put_failure;
2696 while (bss_select_support) {
2697 if ((bss_select_support & 1) &&
2698 nla_put_flag(msg, i))
2699 goto nla_put_failure;
2701 bss_select_support >>= 1;
2703 nla_nest_end(msg, nested);
2706 state->split_start++;
2709 if (rdev->wiphy.num_iftype_ext_capab &&
2710 rdev->wiphy.iftype_ext_capab) {
2711 struct nlattr *nested_ext_capab, *nested;
2713 nested = nla_nest_start_noflag(msg,
2714 NL80211_ATTR_IFTYPE_EXT_CAPA);
2716 goto nla_put_failure;
2718 for (i = state->capa_start;
2719 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2720 const struct wiphy_iftype_ext_capab *capab;
2722 capab = &rdev->wiphy.iftype_ext_capab[i];
2724 nested_ext_capab = nla_nest_start_noflag(msg,
2726 if (!nested_ext_capab ||
2727 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2729 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2730 capab->extended_capabilities_len,
2731 capab->extended_capabilities) ||
2732 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2733 capab->extended_capabilities_len,
2734 capab->extended_capabilities_mask))
2735 goto nla_put_failure;
2737 nla_nest_end(msg, nested_ext_capab);
2741 nla_nest_end(msg, nested);
2742 if (i < rdev->wiphy.num_iftype_ext_capab) {
2743 state->capa_start = i + 1;
2748 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2749 rdev->wiphy.nan_supported_bands))
2750 goto nla_put_failure;
2752 if (wiphy_ext_feature_isset(&rdev->wiphy,
2753 NL80211_EXT_FEATURE_TXQS)) {
2754 struct cfg80211_txq_stats txqstats = {};
2757 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2759 !nl80211_put_txq_stats(msg, &txqstats,
2760 NL80211_ATTR_TXQ_STATS))
2761 goto nla_put_failure;
2763 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2764 rdev->wiphy.txq_limit))
2765 goto nla_put_failure;
2766 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2767 rdev->wiphy.txq_memory_limit))
2768 goto nla_put_failure;
2769 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2770 rdev->wiphy.txq_quantum))
2771 goto nla_put_failure;
2774 state->split_start++;
2777 if (nl80211_send_pmsr_capa(rdev, msg))
2778 goto nla_put_failure;
2780 state->split_start++;
2783 if (rdev->wiphy.akm_suites &&
2784 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2785 sizeof(u32) * rdev->wiphy.n_akm_suites,
2786 rdev->wiphy.akm_suites))
2787 goto nla_put_failure;
2789 if (nl80211_put_iftype_akm_suites(rdev, msg))
2790 goto nla_put_failure;
2792 if (nl80211_put_tid_config_support(rdev, msg))
2793 goto nla_put_failure;
2794 state->split_start++;
2797 if (nl80211_put_sar_specs(rdev, msg))
2798 goto nla_put_failure;
2801 state->split_start = 0;
2805 genlmsg_end(msg, hdr);
2809 genlmsg_cancel(msg, hdr);
2813 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2814 struct netlink_callback *cb,
2815 struct nl80211_dump_wiphy_state *state)
2817 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2823 ret = nlmsg_parse_deprecated(cb->nlh,
2824 GENL_HDRLEN + nl80211_fam.hdrsize,
2825 tb, nl80211_fam.maxattr,
2826 nl80211_policy, NULL);
2827 /* ignore parse errors for backward compatibility */
2833 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2834 if (tb[NL80211_ATTR_WIPHY])
2835 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2836 if (tb[NL80211_ATTR_WDEV])
2837 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2838 if (tb[NL80211_ATTR_IFINDEX]) {
2839 struct net_device *netdev;
2840 struct cfg80211_registered_device *rdev;
2841 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2843 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2848 if (netdev->ieee80211_ptr) {
2849 rdev = wiphy_to_rdev(
2850 netdev->ieee80211_ptr->wiphy);
2851 state->filter_wiphy = rdev->wiphy_idx;
2861 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2864 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2865 struct cfg80211_registered_device *rdev;
2869 state = kzalloc(sizeof(*state), GFP_KERNEL);
2874 state->filter_wiphy = -1;
2875 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2881 cb->args[0] = (long)state;
2884 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2885 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2887 if (++idx <= state->start)
2889 if (state->filter_wiphy != -1 &&
2890 state->filter_wiphy != rdev->wiphy_idx)
2892 /* attempt to fit multiple wiphy data chunks into the skb */
2894 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2896 NETLINK_CB(cb->skb).portid,
2898 NLM_F_MULTI, state);
2901 * If sending the wiphy data didn't fit (ENOBUFS
2902 * or EMSGSIZE returned), this SKB is still
2903 * empty (so it's not too big because another
2904 * wiphy dataset is already in the skb) and
2905 * we've not tried to adjust the dump allocation
2906 * yet ... then adjust the alloc size to be
2907 * bigger, and return 1 but with the empty skb.
2908 * This results in an empty message being RX'ed
2909 * in userspace, but that is ignored.
2911 * We can then retry with the larger buffer.
2913 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2914 !skb->len && !state->split &&
2915 cb->min_dump_alloc < 4096) {
2916 cb->min_dump_alloc = 4096;
2917 state->split_start = 0;
2924 } while (state->split_start > 0);
2934 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2936 kfree((void *)cb->args[0]);
2940 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2942 struct sk_buff *msg;
2943 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2944 struct nl80211_dump_wiphy_state state = {};
2946 msg = nlmsg_new(4096, GFP_KERNEL);
2950 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2951 info->snd_portid, info->snd_seq, 0,
2957 return genlmsg_reply(msg, info);
2960 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2961 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2962 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2963 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2964 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2965 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2968 static int parse_txq_params(struct nlattr *tb[],
2969 struct ieee80211_txq_params *txq_params)
2973 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2974 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2975 !tb[NL80211_TXQ_ATTR_AIFS])
2978 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2979 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2980 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2981 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2982 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2984 if (ac >= NL80211_NUM_ACS)
2986 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2990 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2993 * You can only set the channel explicitly for some interfaces,
2994 * most have their channel managed via their respective
2995 * "establish a connection" command (connect, join, ...)
2997 * For AP/GO and mesh mode, the channel can be set with the
2998 * channel userspace API, but is only stored and passed to the
2999 * low-level driver when the AP starts or the mesh is joined.
3000 * This is for backward compatibility, userspace can also give
3001 * the channel in the start-ap or join-mesh commands instead.
3003 * Monitors are special as they are normally slaved to
3004 * whatever else is going on, so they have their own special
3005 * operation to set the monitor channel if possible.
3008 wdev->iftype == NL80211_IFTYPE_AP ||
3009 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
3010 wdev->iftype == NL80211_IFTYPE_MONITOR ||
3011 wdev->iftype == NL80211_IFTYPE_P2P_GO;
3014 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
3015 struct genl_info *info,
3016 struct cfg80211_chan_def *chandef)
3018 struct netlink_ext_ack *extack = info->extack;
3019 struct nlattr **attrs = info->attrs;
3022 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
3025 control_freq = MHZ_TO_KHZ(
3026 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3027 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3029 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
3031 memset(chandef, 0, sizeof(*chandef));
3032 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3033 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
3034 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3035 chandef->freq1_offset = control_freq % 1000;
3036 chandef->center_freq2 = 0;
3038 /* Primary channel not allowed */
3039 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3040 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3041 "Channel is disabled");
3045 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3046 enum nl80211_channel_type chantype;
3048 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3051 case NL80211_CHAN_NO_HT:
3052 case NL80211_CHAN_HT20:
3053 case NL80211_CHAN_HT40PLUS:
3054 case NL80211_CHAN_HT40MINUS:
3055 cfg80211_chandef_create(chandef, chandef->chan,
3057 /* user input for center_freq is incorrect */
3058 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3059 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3060 NL_SET_ERR_MSG_ATTR(extack,
3061 attrs[NL80211_ATTR_CENTER_FREQ1],
3062 "bad center frequency 1");
3065 /* center_freq2 must be zero */
3066 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3067 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3068 NL_SET_ERR_MSG_ATTR(extack,
3069 attrs[NL80211_ATTR_CENTER_FREQ2],
3070 "center frequency 2 can't be used");
3075 NL_SET_ERR_MSG_ATTR(extack,
3076 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3077 "invalid channel type");
3080 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3082 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
3083 if (chandef->chan->band == NL80211_BAND_S1GHZ) {
3084 /* User input error for channel width doesn't match channel */
3085 if (chandef->width != ieee80211_s1g_channel_width(chandef->chan)) {
3086 NL_SET_ERR_MSG_ATTR(extack,
3087 attrs[NL80211_ATTR_CHANNEL_WIDTH],
3088 "bad channel width");
3092 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3093 chandef->center_freq1 =
3094 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
3095 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3096 chandef->freq1_offset = nla_get_u32(
3097 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3099 chandef->freq1_offset = 0;
3101 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3102 chandef->center_freq2 =
3103 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3106 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3107 chandef->edmg.channels =
3108 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3110 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3111 chandef->edmg.bw_config =
3112 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3114 chandef->edmg.bw_config = 0;
3115 chandef->edmg.channels = 0;
3118 if (!cfg80211_chandef_valid(chandef)) {
3119 NL_SET_ERR_MSG(extack, "invalid channel definition");
3123 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
3124 IEEE80211_CHAN_DISABLED)) {
3125 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3129 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3130 chandef->width == NL80211_CHAN_WIDTH_10) &&
3131 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3132 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
3139 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
3140 struct net_device *dev,
3141 struct genl_info *info)
3143 struct cfg80211_chan_def chandef;
3145 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
3146 struct wireless_dev *wdev = NULL;
3149 wdev = dev->ieee80211_ptr;
3150 if (!nl80211_can_set_dev_channel(wdev))
3153 iftype = wdev->iftype;
3155 result = nl80211_parse_chandef(rdev, info, &chandef);
3160 case NL80211_IFTYPE_AP:
3161 case NL80211_IFTYPE_P2P_GO:
3162 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3167 if (wdev->beacon_interval) {
3168 if (!dev || !rdev->ops->set_ap_chanwidth ||
3169 !(rdev->wiphy.features &
3170 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
3175 /* Only allow dynamic channel width changes */
3176 if (chandef.chan != wdev->preset_chandef.chan) {
3180 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
3184 wdev->preset_chandef = chandef;
3187 case NL80211_IFTYPE_MESH_POINT:
3188 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
3190 case NL80211_IFTYPE_MONITOR:
3191 result = cfg80211_set_monitor_channel(rdev, &chandef);
3200 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3202 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3203 struct net_device *netdev = info->user_ptr[1];
3205 return __nl80211_set_channel(rdev, netdev, info);
3208 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3210 struct cfg80211_registered_device *rdev = NULL;
3211 struct net_device *netdev = NULL;
3212 struct wireless_dev *wdev;
3213 int result = 0, rem_txq_params = 0;
3214 struct nlattr *nl_txq_params;
3216 u8 retry_short = 0, retry_long = 0;
3217 u32 frag_threshold = 0, rts_threshold = 0;
3218 u8 coverage_class = 0;
3219 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
3223 * Try to find the wiphy and netdev. Normally this
3224 * function shouldn't need the netdev, but this is
3225 * done for backward compatibility -- previously
3226 * setting the channel was done per wiphy, but now
3227 * it is per netdev. Previous userland like hostapd
3228 * also passed a netdev to set_wiphy, so that it is
3229 * possible to let that go to the right netdev!
3232 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3233 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3235 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
3236 if (netdev && netdev->ieee80211_ptr)
3237 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
3243 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3247 return PTR_ERR(rdev);
3253 wdev = netdev->ieee80211_ptr;
3255 wiphy_lock(&rdev->wiphy);
3258 * end workaround code, by now the rdev is available
3259 * and locked, and wdev may or may not be NULL.
3262 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
3263 result = cfg80211_dev_rename(
3264 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
3270 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3271 struct ieee80211_txq_params txq_params;
3272 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3274 if (!rdev->ops->set_txq_params) {
3275 result = -EOPNOTSUPP;
3284 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3285 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3290 if (!netif_running(netdev)) {
3295 nla_for_each_nested(nl_txq_params,
3296 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3298 result = nla_parse_nested_deprecated(tb,
3299 NL80211_TXQ_ATTR_MAX,
3305 result = parse_txq_params(tb, &txq_params);
3309 result = rdev_set_txq_params(rdev, netdev,
3316 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3317 result = __nl80211_set_channel(
3319 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3325 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
3326 struct wireless_dev *txp_wdev = wdev;
3327 enum nl80211_tx_power_setting type;
3330 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3333 if (!rdev->ops->set_tx_power) {
3334 result = -EOPNOTSUPP;
3338 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3339 type = nla_get_u32(info->attrs[idx]);
3341 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
3342 (type != NL80211_TX_POWER_AUTOMATIC)) {
3347 if (type != NL80211_TX_POWER_AUTOMATIC) {
3348 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3349 mbm = nla_get_u32(info->attrs[idx]);
3352 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
3357 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3358 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3361 if ((!rdev->wiphy.available_antennas_tx &&
3362 !rdev->wiphy.available_antennas_rx) ||
3363 !rdev->ops->set_antenna) {
3364 result = -EOPNOTSUPP;
3368 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3369 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3371 /* reject antenna configurations which don't match the
3372 * available antenna masks, except for the "all" mask */
3373 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3374 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3379 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3380 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3382 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3389 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3390 retry_short = nla_get_u8(
3391 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3393 changed |= WIPHY_PARAM_RETRY_SHORT;
3396 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3397 retry_long = nla_get_u8(
3398 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3400 changed |= WIPHY_PARAM_RETRY_LONG;
3403 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3404 frag_threshold = nla_get_u32(
3405 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3406 if (frag_threshold < 256) {
3411 if (frag_threshold != (u32) -1) {
3413 * Fragments (apart from the last one) are required to
3414 * have even length. Make the fragmentation code
3415 * simpler by stripping LSB should someone try to use
3416 * odd threshold value.
3418 frag_threshold &= ~0x1;
3420 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3423 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3424 rts_threshold = nla_get_u32(
3425 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3426 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3429 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3430 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3435 coverage_class = nla_get_u8(
3436 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3437 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3440 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3441 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3442 result = -EOPNOTSUPP;
3446 changed |= WIPHY_PARAM_DYN_ACK;
3449 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3450 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3451 NL80211_EXT_FEATURE_TXQS)) {
3452 result = -EOPNOTSUPP;
3455 txq_limit = nla_get_u32(
3456 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3457 changed |= WIPHY_PARAM_TXQ_LIMIT;
3460 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3461 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3462 NL80211_EXT_FEATURE_TXQS)) {
3463 result = -EOPNOTSUPP;
3466 txq_memory_limit = nla_get_u32(
3467 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3468 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3471 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3472 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3473 NL80211_EXT_FEATURE_TXQS)) {
3474 result = -EOPNOTSUPP;
3477 txq_quantum = nla_get_u32(
3478 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3479 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3483 u8 old_retry_short, old_retry_long;
3484 u32 old_frag_threshold, old_rts_threshold;
3485 u8 old_coverage_class;
3486 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3488 if (!rdev->ops->set_wiphy_params) {
3489 result = -EOPNOTSUPP;
3493 old_retry_short = rdev->wiphy.retry_short;
3494 old_retry_long = rdev->wiphy.retry_long;
3495 old_frag_threshold = rdev->wiphy.frag_threshold;
3496 old_rts_threshold = rdev->wiphy.rts_threshold;
3497 old_coverage_class = rdev->wiphy.coverage_class;
3498 old_txq_limit = rdev->wiphy.txq_limit;
3499 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3500 old_txq_quantum = rdev->wiphy.txq_quantum;
3502 if (changed & WIPHY_PARAM_RETRY_SHORT)
3503 rdev->wiphy.retry_short = retry_short;
3504 if (changed & WIPHY_PARAM_RETRY_LONG)
3505 rdev->wiphy.retry_long = retry_long;
3506 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3507 rdev->wiphy.frag_threshold = frag_threshold;
3508 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3509 rdev->wiphy.rts_threshold = rts_threshold;
3510 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3511 rdev->wiphy.coverage_class = coverage_class;
3512 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3513 rdev->wiphy.txq_limit = txq_limit;
3514 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3515 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3516 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3517 rdev->wiphy.txq_quantum = txq_quantum;
3519 result = rdev_set_wiphy_params(rdev, changed);
3521 rdev->wiphy.retry_short = old_retry_short;
3522 rdev->wiphy.retry_long = old_retry_long;
3523 rdev->wiphy.frag_threshold = old_frag_threshold;
3524 rdev->wiphy.rts_threshold = old_rts_threshold;
3525 rdev->wiphy.coverage_class = old_coverage_class;
3526 rdev->wiphy.txq_limit = old_txq_limit;
3527 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3528 rdev->wiphy.txq_quantum = old_txq_quantum;
3536 wiphy_unlock(&rdev->wiphy);
3540 static int nl80211_send_chandef(struct sk_buff *msg,
3541 const struct cfg80211_chan_def *chandef)
3543 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3546 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3547 chandef->chan->center_freq))
3549 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3550 chandef->chan->freq_offset))
3552 switch (chandef->width) {
3553 case NL80211_CHAN_WIDTH_20_NOHT:
3554 case NL80211_CHAN_WIDTH_20:
3555 case NL80211_CHAN_WIDTH_40:
3556 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3557 cfg80211_get_chandef_type(chandef)))
3563 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3565 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3567 if (chandef->center_freq2 &&
3568 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3573 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3574 struct cfg80211_registered_device *rdev,
3575 struct wireless_dev *wdev,
3576 enum nl80211_commands cmd)
3578 struct net_device *dev = wdev->netdev;
3581 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3582 cmd != NL80211_CMD_DEL_INTERFACE &&
3583 cmd != NL80211_CMD_SET_INTERFACE);
3585 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3590 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3591 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3592 goto nla_put_failure;
3594 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3595 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3596 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3597 NL80211_ATTR_PAD) ||
3598 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3599 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3600 rdev->devlist_generation ^
3601 (cfg80211_rdev_list_generation << 2)) ||
3602 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3603 goto nla_put_failure;
3605 if (rdev->ops->get_channel) {
3607 struct cfg80211_chan_def chandef = {};
3609 ret = rdev_get_channel(rdev, wdev, &chandef);
3611 if (nl80211_send_chandef(msg, &chandef))
3612 goto nla_put_failure;
3616 if (rdev->ops->get_tx_power) {
3619 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3621 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3623 goto nla_put_failure;
3627 switch (wdev->iftype) {
3628 case NL80211_IFTYPE_AP:
3629 case NL80211_IFTYPE_P2P_GO:
3630 if (wdev->ssid_len &&
3631 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3632 goto nla_put_failure_locked;
3634 case NL80211_IFTYPE_STATION:
3635 case NL80211_IFTYPE_P2P_CLIENT:
3636 case NL80211_IFTYPE_ADHOC: {
3638 if (!wdev->current_bss)
3641 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3644 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3645 goto nla_put_failure_rcu_locked;
3655 if (rdev->ops->get_txq_stats) {
3656 struct cfg80211_txq_stats txqstats = {};
3657 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3660 !nl80211_put_txq_stats(msg, &txqstats,
3661 NL80211_ATTR_TXQ_STATS))
3662 goto nla_put_failure;
3665 genlmsg_end(msg, hdr);
3668 nla_put_failure_rcu_locked:
3670 nla_put_failure_locked:
3673 genlmsg_cancel(msg, hdr);
3677 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3681 int wp_start = cb->args[0];
3682 int if_start = cb->args[1];
3683 int filter_wiphy = -1;
3684 struct cfg80211_registered_device *rdev;
3685 struct wireless_dev *wdev;
3690 struct nl80211_dump_wiphy_state state = {
3694 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3698 filter_wiphy = state.filter_wiphy;
3701 * if filtering, set cb->args[2] to +1 since 0 is the default
3702 * value needed to determine that parsing is necessary.
3704 if (filter_wiphy >= 0)
3705 cb->args[2] = filter_wiphy + 1;
3708 } else if (cb->args[2] > 0) {
3709 filter_wiphy = cb->args[2] - 1;
3712 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3713 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3715 if (wp_idx < wp_start) {
3720 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3725 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3726 if (if_idx < if_start) {
3730 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3731 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3733 NL80211_CMD_NEW_INTERFACE) < 0) {
3742 cb->args[0] = wp_idx;
3743 cb->args[1] = if_idx;
3752 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3754 struct sk_buff *msg;
3755 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3756 struct wireless_dev *wdev = info->user_ptr[1];
3758 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3762 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3763 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3768 return genlmsg_reply(msg, info);
3771 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3772 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3773 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3774 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3775 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3776 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3777 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3780 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3782 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3790 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3793 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3795 *mntrflags |= (1<<flag);
3797 *mntrflags |= MONITOR_FLAG_CHANGED;
3802 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3803 enum nl80211_iftype type,
3804 struct genl_info *info,
3805 struct vif_params *params)
3807 bool change = false;
3810 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3811 if (type != NL80211_IFTYPE_MONITOR)
3814 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3822 if (params->flags & MONITOR_FLAG_ACTIVE &&
3823 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3826 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3827 const u8 *mumimo_groups;
3828 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3830 if (type != NL80211_IFTYPE_MONITOR)
3833 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3837 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3839 /* bits 0 and 63 are reserved and must be zero */
3840 if ((mumimo_groups[0] & BIT(0)) ||
3841 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3844 params->vht_mumimo_groups = mumimo_groups;
3848 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3849 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3851 if (type != NL80211_IFTYPE_MONITOR)
3854 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3857 params->vht_mumimo_follow_addr =
3858 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3862 return change ? 1 : 0;
3865 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3866 struct net_device *netdev, u8 use_4addr,
3867 enum nl80211_iftype iftype)
3870 if (netdev && netif_is_bridge_port(netdev))
3876 case NL80211_IFTYPE_AP_VLAN:
3877 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3880 case NL80211_IFTYPE_STATION:
3881 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3891 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3893 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3894 struct vif_params params;
3896 enum nl80211_iftype otype, ntype;
3897 struct net_device *dev = info->user_ptr[1];
3898 bool change = false;
3900 memset(¶ms, 0, sizeof(params));
3902 otype = ntype = dev->ieee80211_ptr->iftype;
3904 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3905 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3910 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3911 struct wireless_dev *wdev = dev->ieee80211_ptr;
3913 if (ntype != NL80211_IFTYPE_MESH_POINT)
3915 if (netif_running(dev))
3919 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3920 IEEE80211_MAX_MESH_ID_LEN);
3921 wdev->mesh_id_up_len =
3922 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3923 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3924 wdev->mesh_id_up_len);
3928 if (info->attrs[NL80211_ATTR_4ADDR]) {
3929 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3931 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3935 params.use_4addr = -1;
3938 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3945 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3949 if (!err && params.use_4addr != -1)
3950 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3952 if (change && !err) {
3953 struct wireless_dev *wdev = dev->ieee80211_ptr;
3955 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3961 static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3963 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3964 struct vif_params params;
3965 struct wireless_dev *wdev;
3966 struct sk_buff *msg;
3968 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3970 memset(¶ms, 0, sizeof(params));
3972 if (!info->attrs[NL80211_ATTR_IFNAME])
3975 if (info->attrs[NL80211_ATTR_IFTYPE])
3976 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3978 if (!rdev->ops->add_virtual_intf)
3981 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3982 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3983 info->attrs[NL80211_ATTR_MAC]) {
3984 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3986 if (!is_valid_ether_addr(params.macaddr))
3987 return -EADDRNOTAVAIL;
3990 if (info->attrs[NL80211_ATTR_4ADDR]) {
3991 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3992 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3997 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
4000 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
4004 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4008 wdev = rdev_add_virtual_intf(rdev,
4009 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
4010 NET_NAME_USER, type, ¶ms);
4011 if (WARN_ON(!wdev)) {
4014 } else if (IS_ERR(wdev)) {
4016 return PTR_ERR(wdev);
4019 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4020 wdev->owner_nlportid = info->snd_portid;
4023 case NL80211_IFTYPE_MESH_POINT:
4024 if (!info->attrs[NL80211_ATTR_MESH_ID])
4027 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4028 IEEE80211_MAX_MESH_ID_LEN);
4029 wdev->mesh_id_up_len =
4030 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4031 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4032 wdev->mesh_id_up_len);
4035 case NL80211_IFTYPE_NAN:
4036 case NL80211_IFTYPE_P2P_DEVICE:
4038 * P2P Device and NAN do not have a netdev, so don't go
4039 * through the netdev notifier and must be added here
4041 cfg80211_init_wdev(wdev);
4042 cfg80211_register_wdev(rdev, wdev);
4048 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4049 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4054 return genlmsg_reply(msg, info);
4057 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4059 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4062 /* to avoid failing a new interface creation due to pending removal */
4063 cfg80211_destroy_ifaces(rdev);
4065 wiphy_lock(&rdev->wiphy);
4066 ret = _nl80211_new_interface(skb, info);
4067 wiphy_unlock(&rdev->wiphy);
4072 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4074 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4075 struct wireless_dev *wdev = info->user_ptr[1];
4077 if (!rdev->ops->del_virtual_intf)
4081 * We hold RTNL, so this is safe, without RTNL opencount cannot
4082 * reach 0, and thus the rdev cannot be deleted.
4084 * We need to do it for the dev_close(), since that will call
4085 * the netdev notifiers, and we need to acquire the mutex there
4086 * but don't know if we get there from here or from some other
4087 * place (e.g. "ip link set ... down").
4089 mutex_unlock(&rdev->wiphy.mtx);
4092 * If we remove a wireless device without a netdev then clear
4093 * user_ptr[1] so that nl80211_post_doit won't dereference it
4094 * to check if it needs to do dev_put(). Otherwise it crashes
4095 * since the wdev has been freed, unlike with a netdev where
4096 * we need the dev_put() for the netdev to really be freed.
4099 info->user_ptr[1] = NULL;
4101 dev_close(wdev->netdev);
4103 mutex_lock(&rdev->wiphy.mtx);
4105 return rdev_del_virtual_intf(rdev, wdev);
4108 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4110 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4111 struct net_device *dev = info->user_ptr[1];
4114 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4117 if (!rdev->ops->set_noack_map)
4120 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4122 return rdev_set_noack_map(rdev, dev, noack_map);
4125 struct get_key_cookie {
4126 struct sk_buff *msg;
4131 static void get_key_callback(void *c, struct key_params *params)
4134 struct get_key_cookie *cookie = c;
4137 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4138 params->key_len, params->key)) ||
4140 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4141 params->seq_len, params->seq)) ||
4143 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4145 goto nla_put_failure;
4147 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
4149 goto nla_put_failure;
4152 nla_put(cookie->msg, NL80211_KEY_DATA,
4153 params->key_len, params->key)) ||
4155 nla_put(cookie->msg, NL80211_KEY_SEQ,
4156 params->seq_len, params->seq)) ||
4158 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4160 goto nla_put_failure;
4162 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
4163 goto nla_put_failure;
4165 nla_nest_end(cookie->msg, key);
4172 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4174 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4176 struct net_device *dev = info->user_ptr[1];
4178 const u8 *mac_addr = NULL;
4180 struct get_key_cookie cookie = {
4184 struct sk_buff *msg;
4185 bool bigtk_support = false;
4187 if (wiphy_ext_feature_isset(&rdev->wiphy,
4188 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4189 bigtk_support = true;
4191 if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
4192 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4193 wiphy_ext_feature_isset(&rdev->wiphy,
4194 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4195 bigtk_support = true;
4197 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4198 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4200 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4201 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4206 if (info->attrs[NL80211_ATTR_MAC])
4207 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4209 pairwise = !!mac_addr;
4210 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4211 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4213 if (kt != NL80211_KEYTYPE_GROUP &&
4214 kt != NL80211_KEYTYPE_PAIRWISE)
4216 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4219 if (!rdev->ops->get_key)
4222 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4225 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4229 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4230 NL80211_CMD_NEW_KEY);
4232 goto nla_put_failure;
4235 cookie.idx = key_idx;
4237 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4238 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4239 goto nla_put_failure;
4241 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4242 goto nla_put_failure;
4244 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
4251 goto nla_put_failure;
4253 genlmsg_end(msg, hdr);
4254 return genlmsg_reply(msg, info);
4263 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4265 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4266 struct key_parse key;
4268 struct net_device *dev = info->user_ptr[1];
4270 err = nl80211_parse_key(info, &key);
4277 /* Only support setting default key and
4278 * Extended Key ID action NL80211_KEY_SET_TX.
4280 if (!key.def && !key.defmgmt && !key.defbeacon &&
4281 !(key.p.mode == NL80211_KEY_SET_TX))
4284 wdev_lock(dev->ieee80211_ptr);
4287 if (!rdev->ops->set_default_key) {
4292 err = nl80211_key_allowed(dev->ieee80211_ptr);
4296 err = rdev_set_default_key(rdev, dev, key.idx,
4297 key.def_uni, key.def_multi);
4302 #ifdef CONFIG_CFG80211_WEXT
4303 dev->ieee80211_ptr->wext.default_key = key.idx;
4305 } else if (key.defmgmt) {
4306 if (key.def_uni || !key.def_multi) {
4311 if (!rdev->ops->set_default_mgmt_key) {
4316 err = nl80211_key_allowed(dev->ieee80211_ptr);
4320 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
4324 #ifdef CONFIG_CFG80211_WEXT
4325 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
4327 } else if (key.defbeacon) {
4328 if (key.def_uni || !key.def_multi) {
4333 if (!rdev->ops->set_default_beacon_key) {
4338 err = nl80211_key_allowed(dev->ieee80211_ptr);
4342 err = rdev_set_default_beacon_key(rdev, dev, key.idx);
4345 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4346 wiphy_ext_feature_isset(&rdev->wiphy,
4347 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4348 u8 *mac_addr = NULL;
4350 if (info->attrs[NL80211_ATTR_MAC])
4351 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4353 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4358 err = rdev_add_key(rdev, dev, key.idx,
4359 NL80211_KEYTYPE_PAIRWISE,
4365 wdev_unlock(dev->ieee80211_ptr);
4370 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4372 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4374 struct net_device *dev = info->user_ptr[1];
4375 struct key_parse key;
4376 const u8 *mac_addr = NULL;
4378 err = nl80211_parse_key(info, &key);
4383 GENL_SET_ERR_MSG(info, "no key");
4387 if (info->attrs[NL80211_ATTR_MAC])
4388 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4390 if (key.type == -1) {
4392 key.type = NL80211_KEYTYPE_PAIRWISE;
4394 key.type = NL80211_KEYTYPE_GROUP;
4398 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4399 key.type != NL80211_KEYTYPE_GROUP) {
4400 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4404 if (key.type == NL80211_KEYTYPE_GROUP &&
4405 info->attrs[NL80211_ATTR_VLAN_ID])
4406 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4408 if (!rdev->ops->add_key)
4411 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4412 key.type == NL80211_KEYTYPE_PAIRWISE,
4414 GENL_SET_ERR_MSG(info, "key setting validation failed");
4418 wdev_lock(dev->ieee80211_ptr);
4419 err = nl80211_key_allowed(dev->ieee80211_ptr);
4421 GENL_SET_ERR_MSG(info, "key not allowed");
4423 err = rdev_add_key(rdev, dev, key.idx,
4424 key.type == NL80211_KEYTYPE_PAIRWISE,
4427 GENL_SET_ERR_MSG(info, "key addition failed");
4429 wdev_unlock(dev->ieee80211_ptr);
4434 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4436 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4438 struct net_device *dev = info->user_ptr[1];
4439 u8 *mac_addr = NULL;
4440 struct key_parse key;
4442 err = nl80211_parse_key(info, &key);
4446 if (info->attrs[NL80211_ATTR_MAC])
4447 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4449 if (key.type == -1) {
4451 key.type = NL80211_KEYTYPE_PAIRWISE;
4453 key.type = NL80211_KEYTYPE_GROUP;
4457 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4458 key.type != NL80211_KEYTYPE_GROUP)
4461 if (!cfg80211_valid_key_idx(rdev, key.idx,
4462 key.type == NL80211_KEYTYPE_PAIRWISE))
4465 if (!rdev->ops->del_key)
4468 wdev_lock(dev->ieee80211_ptr);
4469 err = nl80211_key_allowed(dev->ieee80211_ptr);
4471 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4472 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4476 err = rdev_del_key(rdev, dev, key.idx,
4477 key.type == NL80211_KEYTYPE_PAIRWISE,
4480 #ifdef CONFIG_CFG80211_WEXT
4482 if (key.idx == dev->ieee80211_ptr->wext.default_key)
4483 dev->ieee80211_ptr->wext.default_key = -1;
4484 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
4485 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4488 wdev_unlock(dev->ieee80211_ptr);
4493 /* This function returns an error or the number of nested attributes */
4494 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4496 struct nlattr *attr;
4497 int n_entries = 0, tmp;
4499 nla_for_each_nested(attr, nl_attr, tmp) {
4500 if (nla_len(attr) != ETH_ALEN)
4510 * This function parses ACL information and allocates memory for ACL data.
4511 * On successful return, the calling function is responsible to free the
4512 * ACL buffer returned by this function.
4514 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4515 struct genl_info *info)
4517 enum nl80211_acl_policy acl_policy;
4518 struct nlattr *attr;
4519 struct cfg80211_acl_data *acl;
4520 int i = 0, n_entries, tmp;
4522 if (!wiphy->max_acl_mac_addrs)
4523 return ERR_PTR(-EOPNOTSUPP);
4525 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4526 return ERR_PTR(-EINVAL);
4528 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4529 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4530 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4531 return ERR_PTR(-EINVAL);
4533 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4534 return ERR_PTR(-EINVAL);
4536 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4538 return ERR_PTR(n_entries);
4540 if (n_entries > wiphy->max_acl_mac_addrs)
4541 return ERR_PTR(-ENOTSUPP);
4543 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4545 return ERR_PTR(-ENOMEM);
4547 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4548 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4552 acl->n_acl_entries = n_entries;
4553 acl->acl_policy = acl_policy;
4558 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4560 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4561 struct net_device *dev = info->user_ptr[1];
4562 struct cfg80211_acl_data *acl;
4565 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4566 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4569 if (!dev->ieee80211_ptr->beacon_interval)
4572 acl = parse_acl_data(&rdev->wiphy, info);
4574 return PTR_ERR(acl);
4576 err = rdev_set_mac_acl(rdev, dev, acl);
4583 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4584 u8 *rates, u8 rates_len)
4589 for (i = 0; i < rates_len; i++) {
4590 int rate = (rates[i] & 0x7f) * 5;
4593 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4594 struct ieee80211_rate *srate =
4595 &sband->bitrates[ridx];
4596 if (rate == srate->bitrate) {
4601 if (ridx == sband->n_bitrates)
4602 return 0; /* rate not found */
4608 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4609 u8 *rates, u8 rates_len,
4610 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4614 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4616 for (i = 0; i < rates_len; i++) {
4619 ridx = rates[i] / 8;
4620 rbit = BIT(rates[i] % 8);
4622 /* check validity */
4623 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4626 /* check availability */
4627 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4628 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4637 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4641 switch (vht_mcs_map) {
4642 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4644 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4647 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4650 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4660 static void vht_build_mcs_mask(u16 vht_mcs_map,
4661 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4665 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4666 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4671 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4672 struct nl80211_txrate_vht *txrate,
4673 u16 mcs[NL80211_VHT_NSS_MAX])
4675 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4676 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4679 if (!sband->vht_cap.vht_supported)
4682 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4684 /* Build vht_mcs_mask from VHT capabilities */
4685 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4687 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4688 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4689 mcs[i] = txrate->mcs[i];
4697 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
4699 switch (he_mcs_map) {
4700 case IEEE80211_HE_MCS_NOT_SUPPORTED:
4702 case IEEE80211_HE_MCS_SUPPORT_0_7:
4704 case IEEE80211_HE_MCS_SUPPORT_0_9:
4706 case IEEE80211_HE_MCS_SUPPORT_0_11:
4714 static void he_build_mcs_mask(u16 he_mcs_map,
4715 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
4719 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
4720 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
4725 static u16 he_get_txmcsmap(struct genl_info *info,
4726 const struct ieee80211_sta_he_cap *he_cap)
4728 struct net_device *dev = info->user_ptr[1];
4729 struct wireless_dev *wdev = dev->ieee80211_ptr;
4732 switch (wdev->chandef.width) {
4733 case NL80211_CHAN_WIDTH_80P80:
4734 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
4736 case NL80211_CHAN_WIDTH_160:
4737 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
4740 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
4743 return le16_to_cpu(tx_mcs);
4746 static bool he_set_mcs_mask(struct genl_info *info,
4747 struct wireless_dev *wdev,
4748 struct ieee80211_supported_band *sband,
4749 struct nl80211_txrate_he *txrate,
4750 u16 mcs[NL80211_HE_NSS_MAX])
4752 const struct ieee80211_sta_he_cap *he_cap;
4753 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
4757 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4761 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
4763 tx_mcs_map = he_get_txmcsmap(info, he_cap);
4765 /* Build he_mcs_mask from HE capabilities */
4766 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4768 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4769 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4770 mcs[i] = txrate->mcs[i];
4778 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4779 struct nlattr *attrs[],
4780 enum nl80211_attrs attr,
4781 struct cfg80211_bitrate_mask *mask,
4782 struct net_device *dev,
4783 bool default_all_enabled)
4785 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4786 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4787 struct wireless_dev *wdev = dev->ieee80211_ptr;
4789 struct nlattr *tx_rates;
4790 struct ieee80211_supported_band *sband;
4791 u16 vht_tx_mcs_map, he_tx_mcs_map;
4793 memset(mask, 0, sizeof(*mask));
4794 /* Default to all rates enabled */
4795 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4796 const struct ieee80211_sta_he_cap *he_cap;
4798 if (!default_all_enabled)
4801 sband = rdev->wiphy.bands[i];
4806 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4807 memcpy(mask->control[i].ht_mcs,
4808 sband->ht_cap.mcs.rx_mask,
4809 sizeof(mask->control[i].ht_mcs));
4811 if (sband->vht_cap.vht_supported) {
4812 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4813 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4816 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4820 he_tx_mcs_map = he_get_txmcsmap(info, he_cap);
4821 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
4823 mask->control[i].he_gi = 0xFF;
4824 mask->control[i].he_ltf = 0xFF;
4827 /* if no rates are given set it back to the defaults */
4831 /* The nested attribute uses enum nl80211_band as the index. This maps
4832 * directly to the enum nl80211_band values used in cfg80211.
4834 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4835 nla_for_each_nested(tx_rates, attrs[attr], rem) {
4836 enum nl80211_band band = nla_type(tx_rates);
4839 if (band < 0 || band >= NUM_NL80211_BANDS)
4841 sband = rdev->wiphy.bands[band];
4844 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4846 nl80211_txattr_policy,
4850 if (tb[NL80211_TXRATE_LEGACY]) {
4851 mask->control[band].legacy = rateset_to_mask(
4853 nla_data(tb[NL80211_TXRATE_LEGACY]),
4854 nla_len(tb[NL80211_TXRATE_LEGACY]));
4855 if ((mask->control[band].legacy == 0) &&
4856 nla_len(tb[NL80211_TXRATE_LEGACY]))
4859 if (tb[NL80211_TXRATE_HT]) {
4860 if (!ht_rateset_to_mask(
4862 nla_data(tb[NL80211_TXRATE_HT]),
4863 nla_len(tb[NL80211_TXRATE_HT]),
4864 mask->control[band].ht_mcs))
4868 if (tb[NL80211_TXRATE_VHT]) {
4869 if (!vht_set_mcs_mask(
4871 nla_data(tb[NL80211_TXRATE_VHT]),
4872 mask->control[band].vht_mcs))
4876 if (tb[NL80211_TXRATE_GI]) {
4877 mask->control[band].gi =
4878 nla_get_u8(tb[NL80211_TXRATE_GI]);
4879 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4882 if (tb[NL80211_TXRATE_HE] &&
4883 !he_set_mcs_mask(info, wdev, sband,
4884 nla_data(tb[NL80211_TXRATE_HE]),
4885 mask->control[band].he_mcs))
4888 if (tb[NL80211_TXRATE_HE_GI])
4889 mask->control[band].he_gi =
4890 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
4891 if (tb[NL80211_TXRATE_HE_LTF])
4892 mask->control[band].he_ltf =
4893 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
4895 if (mask->control[band].legacy == 0) {
4896 /* don't allow empty legacy rates if HT, VHT or HE
4897 * are not even supported.
4899 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4900 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
4901 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
4904 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4905 if (mask->control[band].ht_mcs[i])
4908 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4909 if (mask->control[band].vht_mcs[i])
4912 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
4913 if (mask->control[band].he_mcs[i])
4916 /* legacy and mcs rates may not be both empty */
4925 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4926 enum nl80211_band band,
4927 struct cfg80211_bitrate_mask *beacon_rate)
4929 u32 count_ht, count_vht, count_he, i;
4930 u32 rate = beacon_rate->control[band].legacy;
4932 /* Allow only one rate */
4933 if (hweight32(rate) > 1)
4937 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4938 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4940 } else if (beacon_rate->control[band].ht_mcs[i]) {
4945 if (count_ht && rate)
4950 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4951 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4953 } else if (beacon_rate->control[band].vht_mcs[i]) {
4958 if (count_vht && rate)
4963 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4964 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
4966 } else if (beacon_rate->control[band].he_mcs[i]) {
4971 if (count_he && rate)
4975 if ((count_ht && count_vht && count_he) ||
4976 (!rate && !count_ht && !count_vht && !count_he))
4980 !wiphy_ext_feature_isset(&rdev->wiphy,
4981 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4984 !wiphy_ext_feature_isset(&rdev->wiphy,
4985 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4988 !wiphy_ext_feature_isset(&rdev->wiphy,
4989 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4992 !wiphy_ext_feature_isset(&rdev->wiphy,
4993 NL80211_EXT_FEATURE_BEACON_RATE_HE))
4999 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
5000 struct nlattr *attrs[],
5001 struct cfg80211_beacon_data *bcn)
5003 bool haveinfo = false;
5006 memset(bcn, 0, sizeof(*bcn));
5008 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
5009 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
5010 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
5016 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
5017 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
5018 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
5025 if (attrs[NL80211_ATTR_IE]) {
5026 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
5027 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
5030 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
5031 bcn->proberesp_ies =
5032 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5033 bcn->proberesp_ies_len =
5034 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5037 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
5038 bcn->assocresp_ies =
5039 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5040 bcn->assocresp_ies_len =
5041 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5044 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5045 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5046 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
5049 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5050 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5052 err = nla_parse_nested_deprecated(tb,
5053 NL80211_FTM_RESP_ATTR_MAX,
5054 attrs[NL80211_ATTR_FTM_RESPONDER],
5059 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5060 wiphy_ext_feature_isset(&rdev->wiphy,
5061 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5062 bcn->ftm_responder = 1;
5066 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5067 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5068 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5071 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5072 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5073 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5076 bcn->ftm_responder = -1;
5082 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5083 struct ieee80211_he_obss_pd *he_obss_pd)
5085 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5088 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5089 he_obss_pd_policy, NULL);
5093 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5096 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5098 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5099 he_obss_pd->min_offset =
5100 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5101 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5102 he_obss_pd->max_offset =
5103 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
5104 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5105 he_obss_pd->non_srg_max_offset =
5106 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
5108 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
5111 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5112 memcpy(he_obss_pd->bss_color_bitmap,
5113 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5114 sizeof(he_obss_pd->bss_color_bitmap));
5116 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5117 memcpy(he_obss_pd->partial_bssid_bitmap,
5118 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5119 sizeof(he_obss_pd->partial_bssid_bitmap));
5121 he_obss_pd->enable = true;
5126 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5127 struct cfg80211_he_bss_color *he_bss_color)
5129 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5132 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5133 he_bss_color_policy, NULL);
5137 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5140 he_bss_color->color =
5141 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5142 he_bss_color->enabled =
5143 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5144 he_bss_color->partial =
5145 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5150 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5151 struct nlattr *attrs,
5152 struct cfg80211_ap_settings *params)
5154 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5156 struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery;
5158 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5159 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5162 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5167 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5168 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5169 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5172 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5173 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5174 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5175 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5181 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5182 struct nlattr *attrs,
5183 struct cfg80211_ap_settings *params)
5185 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5187 struct cfg80211_unsol_bcast_probe_resp *presp =
5188 ¶ms->unsol_bcast_probe_resp;
5190 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5191 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5194 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5199 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5200 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5203 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5204 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5205 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5209 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5217 for (i = 0; i < rates[1]; i++) {
5218 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5219 params->ht_required = true;
5220 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5221 params->vht_required = true;
5222 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5223 params->he_required = true;
5224 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5225 params->sae_h2e_required = true;
5230 * Since the nl80211 API didn't include, from the beginning, attributes about
5231 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5232 * benefit of drivers that rebuild IEs in the firmware.
5234 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5236 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5237 size_t ies_len = bcn->tail_len;
5238 const u8 *ies = bcn->tail;
5242 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
5243 nl80211_check_ap_rate_selectors(params, rates);
5245 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5246 nl80211_check_ap_rate_selectors(params, rates);
5248 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5249 if (cap && cap[1] >= sizeof(*params->ht_cap))
5250 params->ht_cap = (void *)(cap + 2);
5251 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5252 if (cap && cap[1] >= sizeof(*params->vht_cap))
5253 params->vht_cap = (void *)(cap + 2);
5254 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5255 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
5256 params->he_cap = (void *)(cap + 3);
5257 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5258 if (cap && cap[1] >= sizeof(*params->he_oper) + 1)
5259 params->he_oper = (void *)(cap + 3);
5262 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5263 struct cfg80211_ap_settings *params)
5265 struct wireless_dev *wdev;
5268 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5269 if (wdev->iftype != NL80211_IFTYPE_AP &&
5270 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5273 if (!wdev->preset_chandef.chan)
5276 params->chandef = wdev->preset_chandef;
5284 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5285 enum nl80211_auth_type auth_type,
5286 enum nl80211_commands cmd)
5288 if (auth_type > NL80211_AUTHTYPE_MAX)
5292 case NL80211_CMD_AUTHENTICATE:
5293 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5294 auth_type == NL80211_AUTHTYPE_SAE)
5296 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5297 NL80211_EXT_FEATURE_FILS_STA) &&
5298 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5299 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5300 auth_type == NL80211_AUTHTYPE_FILS_PK))
5303 case NL80211_CMD_CONNECT:
5304 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5305 !wiphy_ext_feature_isset(&rdev->wiphy,
5306 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5307 auth_type == NL80211_AUTHTYPE_SAE)
5310 /* FILS with SK PFS or PK not supported yet */
5311 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5312 auth_type == NL80211_AUTHTYPE_FILS_PK)
5314 if (!wiphy_ext_feature_isset(
5316 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5317 auth_type == NL80211_AUTHTYPE_FILS_SK)
5320 case NL80211_CMD_START_AP:
5321 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5322 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5323 auth_type == NL80211_AUTHTYPE_SAE)
5325 /* FILS not supported yet */
5326 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5327 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5328 auth_type == NL80211_AUTHTYPE_FILS_PK)
5336 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5338 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5339 struct net_device *dev = info->user_ptr[1];
5340 struct wireless_dev *wdev = dev->ieee80211_ptr;
5341 struct cfg80211_ap_settings params;
5344 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5345 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5348 if (!rdev->ops->start_ap)
5351 if (wdev->beacon_interval)
5354 memset(¶ms, 0, sizeof(params));
5356 /* these are required for START_AP */
5357 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5358 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5359 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5362 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
5366 params.beacon_interval =
5367 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5368 params.dtim_period =
5369 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5371 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5372 params.beacon_interval);
5377 * In theory, some of these attributes should be required here
5378 * but since they were not used when the command was originally
5379 * added, keep them optional for old user space programs to let
5380 * them continue to work with drivers that do not need the
5381 * additional information -- drivers must check!
5383 if (info->attrs[NL80211_ATTR_SSID]) {
5384 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5386 nla_len(info->attrs[NL80211_ATTR_SSID]);
5387 if (params.ssid_len == 0)
5391 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
5392 params.hidden_ssid = nla_get_u32(
5393 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
5395 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5397 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5398 params.auth_type = nla_get_u32(
5399 info->attrs[NL80211_ATTR_AUTH_TYPE]);
5400 if (!nl80211_valid_auth_type(rdev, params.auth_type,
5401 NL80211_CMD_START_AP))
5404 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5406 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
5407 NL80211_MAX_NR_CIPHER_SUITES);
5411 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
5412 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
5414 params.inactivity_timeout = nla_get_u16(
5415 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5418 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5419 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5421 params.p2p_ctwindow =
5422 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5423 if (params.p2p_ctwindow != 0 &&
5424 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
5428 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5431 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5433 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5434 params.p2p_opp_ps = tmp;
5435 if (params.p2p_opp_ps != 0 &&
5436 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
5440 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
5441 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
5444 } else if (wdev->preset_chandef.chan) {
5445 params.chandef = wdev->preset_chandef;
5446 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
5449 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
5453 if (info->attrs[NL80211_ATTR_TX_RATES]) {
5454 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5455 NL80211_ATTR_TX_RATES,
5456 ¶ms.beacon_rate,
5461 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
5462 ¶ms.beacon_rate);
5467 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
5469 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
5470 switch (params.smps_mode) {
5471 case NL80211_SMPS_OFF:
5473 case NL80211_SMPS_STATIC:
5474 if (!(rdev->wiphy.features &
5475 NL80211_FEATURE_STATIC_SMPS))
5478 case NL80211_SMPS_DYNAMIC:
5479 if (!(rdev->wiphy.features &
5480 NL80211_FEATURE_DYNAMIC_SMPS))
5487 params.smps_mode = NL80211_SMPS_OFF;
5490 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
5491 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
5494 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
5495 params.acl = parse_acl_data(&rdev->wiphy, info);
5496 if (IS_ERR(params.acl))
5497 return PTR_ERR(params.acl);
5500 params.twt_responder =
5501 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
5503 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5504 err = nl80211_parse_he_obss_pd(
5505 info->attrs[NL80211_ATTR_HE_OBSS_PD],
5506 ¶ms.he_obss_pd);
5511 if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5512 err = nl80211_parse_he_bss_color(
5513 info->attrs[NL80211_ATTR_HE_BSS_COLOR],
5514 ¶ms.he_bss_color);
5519 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
5520 err = nl80211_parse_fils_discovery(rdev,
5521 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
5527 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
5528 err = nl80211_parse_unsol_bcast_probe_resp(
5529 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
5535 nl80211_calculate_ap_params(¶ms);
5537 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
5538 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5541 err = rdev_start_ap(rdev, dev, ¶ms);
5543 wdev->preset_chandef = params.chandef;
5544 wdev->beacon_interval = params.beacon_interval;
5545 wdev->chandef = params.chandef;
5546 wdev->ssid_len = params.ssid_len;
5547 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
5549 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
5550 wdev->conn_owner_nlportid = info->snd_portid;
5560 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
5562 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5563 struct net_device *dev = info->user_ptr[1];
5564 struct wireless_dev *wdev = dev->ieee80211_ptr;
5565 struct cfg80211_beacon_data params;
5568 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5569 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5572 if (!rdev->ops->change_beacon)
5575 if (!wdev->beacon_interval)
5578 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
5583 err = rdev_change_beacon(rdev, dev, ¶ms);
5589 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
5591 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5592 struct net_device *dev = info->user_ptr[1];
5594 return cfg80211_stop_ap(rdev, dev, false);
5597 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
5598 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
5599 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
5600 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
5601 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
5602 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
5603 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5606 static int parse_station_flags(struct genl_info *info,
5607 enum nl80211_iftype iftype,
5608 struct station_parameters *params)
5610 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
5615 * Try parsing the new attribute first so userspace
5616 * can specify both for older kernels.
5618 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
5620 struct nl80211_sta_flag_update *sta_flags;
5622 sta_flags = nla_data(nla);
5623 params->sta_flags_mask = sta_flags->mask;
5624 params->sta_flags_set = sta_flags->set;
5625 params->sta_flags_set &= params->sta_flags_mask;
5626 if ((params->sta_flags_mask |
5627 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
5632 /* if present, parse the old attribute */
5634 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5638 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5642 * Only allow certain flags for interface types so that
5643 * other attributes are silently ignored. Remember that
5644 * this is backward compatibility code with old userspace
5645 * and shouldn't be hit in other cases anyway.
5648 case NL80211_IFTYPE_AP:
5649 case NL80211_IFTYPE_AP_VLAN:
5650 case NL80211_IFTYPE_P2P_GO:
5651 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5652 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5653 BIT(NL80211_STA_FLAG_WME) |
5654 BIT(NL80211_STA_FLAG_MFP);
5656 case NL80211_IFTYPE_P2P_CLIENT:
5657 case NL80211_IFTYPE_STATION:
5658 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5659 BIT(NL80211_STA_FLAG_TDLS_PEER);
5661 case NL80211_IFTYPE_MESH_POINT:
5662 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5663 BIT(NL80211_STA_FLAG_MFP) |
5664 BIT(NL80211_STA_FLAG_AUTHORIZED);
5670 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
5672 params->sta_flags_set |= (1<<flag);
5674 /* no longer support new API additions in old API */
5675 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
5683 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
5685 struct nlattr *rate;
5688 enum nl80211_rate_info rate_flg;
5690 rate = nla_nest_start_noflag(msg, attr);
5694 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
5695 bitrate = cfg80211_calculate_bitrate(info);
5696 /* report 16-bit bitrate only if we can */
5697 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
5699 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
5701 if (bitrate_compat > 0 &&
5702 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
5706 case RATE_INFO_BW_5:
5707 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
5709 case RATE_INFO_BW_10:
5710 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
5715 case RATE_INFO_BW_20:
5718 case RATE_INFO_BW_40:
5719 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
5721 case RATE_INFO_BW_80:
5722 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
5724 case RATE_INFO_BW_160:
5725 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
5727 case RATE_INFO_BW_HE_RU:
5729 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
5732 if (rate_flg && nla_put_flag(msg, rate_flg))
5735 if (info->flags & RATE_INFO_FLAGS_MCS) {
5736 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5738 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5739 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5741 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5742 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5744 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5746 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5747 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5749 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5750 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5752 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5754 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5756 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5758 if (info->bw == RATE_INFO_BW_HE_RU &&
5759 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5764 nla_nest_end(msg, rate);
5768 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5777 attr = nla_nest_start_noflag(msg, id);
5781 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5782 if (!(mask & BIT(i)))
5785 if (nla_put_u8(msg, i, signal[i]))
5789 nla_nest_end(msg, attr);
5794 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5796 struct cfg80211_registered_device *rdev,
5797 struct net_device *dev,
5798 const u8 *mac_addr, struct station_info *sinfo)
5801 struct nlattr *sinfoattr, *bss_param;
5803 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
5805 cfg80211_sinfo_release_content(sinfo);
5809 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5810 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5811 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5812 goto nla_put_failure;
5814 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
5816 goto nla_put_failure;
5818 #define PUT_SINFO(attr, memb, type) do { \
5819 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
5820 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5821 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5823 goto nla_put_failure; \
5825 #define PUT_SINFO_U64(attr, memb) do { \
5826 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5827 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5828 sinfo->memb, NL80211_STA_INFO_PAD)) \
5829 goto nla_put_failure; \
5832 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5833 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
5834 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
5836 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5837 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
5838 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
5839 (u32)sinfo->rx_bytes))
5840 goto nla_put_failure;
5842 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5843 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
5844 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
5845 (u32)sinfo->tx_bytes))
5846 goto nla_put_failure;
5848 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5849 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
5850 PUT_SINFO(LLID, llid, u16);
5851 PUT_SINFO(PLID, plid, u16);
5852 PUT_SINFO(PLINK_STATE, plink_state, u8);
5853 PUT_SINFO_U64(RX_DURATION, rx_duration);
5854 PUT_SINFO_U64(TX_DURATION, tx_duration);
5856 if (wiphy_ext_feature_isset(&rdev->wiphy,
5857 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5858 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
5860 switch (rdev->wiphy.signal_type) {
5861 case CFG80211_SIGNAL_TYPE_MBM:
5862 PUT_SINFO(SIGNAL, signal, u8);
5863 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
5868 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
5869 if (!nl80211_put_signal(msg, sinfo->chains,
5870 sinfo->chain_signal,
5871 NL80211_STA_INFO_CHAIN_SIGNAL))
5872 goto nla_put_failure;
5874 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
5875 if (!nl80211_put_signal(msg, sinfo->chains,
5876 sinfo->chain_signal_avg,
5877 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5878 goto nla_put_failure;
5880 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
5881 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5882 NL80211_STA_INFO_TX_BITRATE))
5883 goto nla_put_failure;
5885 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
5886 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5887 NL80211_STA_INFO_RX_BITRATE))
5888 goto nla_put_failure;
5891 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5892 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5893 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5894 PUT_SINFO(TX_FAILED, tx_failed, u32);
5895 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5896 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5897 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5898 PUT_SINFO(LOCAL_PM, local_pm, u32);
5899 PUT_SINFO(PEER_PM, peer_pm, u32);
5900 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5901 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5902 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
5904 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5905 bss_param = nla_nest_start_noflag(msg,
5906 NL80211_STA_INFO_BSS_PARAM);
5908 goto nla_put_failure;
5910 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5911 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5912 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5913 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5914 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5915 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5916 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5917 sinfo->bss_param.dtim_period) ||
5918 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5919 sinfo->bss_param.beacon_interval))
5920 goto nla_put_failure;
5922 nla_nest_end(msg, bss_param);
5924 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5925 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5926 sizeof(struct nl80211_sta_flag_update),
5928 goto nla_put_failure;
5930 PUT_SINFO_U64(T_OFFSET, t_offset);
5931 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5932 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5933 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5934 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5935 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5936 if (wiphy_ext_feature_isset(&rdev->wiphy,
5937 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5938 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5939 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5943 #undef PUT_SINFO_U64
5945 if (sinfo->pertid) {
5946 struct nlattr *tidsattr;
5949 tidsattr = nla_nest_start_noflag(msg,
5950 NL80211_STA_INFO_TID_STATS);
5952 goto nla_put_failure;
5954 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5955 struct cfg80211_tid_stats *tidstats;
5956 struct nlattr *tidattr;
5958 tidstats = &sinfo->pertid[tid];
5960 if (!tidstats->filled)
5963 tidattr = nla_nest_start_noflag(msg, tid + 1);
5965 goto nla_put_failure;
5967 #define PUT_TIDVAL_U64(attr, memb) do { \
5968 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5969 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5970 tidstats->memb, NL80211_TID_STATS_PAD)) \
5971 goto nla_put_failure; \
5974 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5975 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5976 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5977 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5979 #undef PUT_TIDVAL_U64
5980 if ((tidstats->filled &
5981 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5982 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5983 NL80211_TID_STATS_TXQ_STATS))
5984 goto nla_put_failure;
5986 nla_nest_end(msg, tidattr);
5989 nla_nest_end(msg, tidsattr);
5992 nla_nest_end(msg, sinfoattr);
5994 if (sinfo->assoc_req_ies_len &&
5995 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5996 sinfo->assoc_req_ies))
5997 goto nla_put_failure;
5999 cfg80211_sinfo_release_content(sinfo);
6000 genlmsg_end(msg, hdr);
6004 cfg80211_sinfo_release_content(sinfo);
6005 genlmsg_cancel(msg, hdr);
6009 static int nl80211_dump_station(struct sk_buff *skb,
6010 struct netlink_callback *cb)
6012 struct station_info sinfo;
6013 struct cfg80211_registered_device *rdev;
6014 struct wireless_dev *wdev;
6015 u8 mac_addr[ETH_ALEN];
6016 int sta_idx = cb->args[2];
6019 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
6022 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6023 __acquire(&rdev->wiphy.mtx);
6025 if (!wdev->netdev) {
6030 if (!rdev->ops->dump_station) {
6036 memset(&sinfo, 0, sizeof(sinfo));
6037 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
6044 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
6045 NETLINK_CB(cb->skb).portid,
6046 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6047 rdev, wdev->netdev, mac_addr,
6055 cb->args[2] = sta_idx;
6058 wiphy_unlock(&rdev->wiphy);
6063 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6065 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6066 struct net_device *dev = info->user_ptr[1];
6067 struct station_info sinfo;
6068 struct sk_buff *msg;
6069 u8 *mac_addr = NULL;
6072 memset(&sinfo, 0, sizeof(sinfo));
6074 if (!info->attrs[NL80211_ATTR_MAC])
6077 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6079 if (!rdev->ops->get_station)
6082 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
6086 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6088 cfg80211_sinfo_release_content(&sinfo);
6092 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6093 info->snd_portid, info->snd_seq, 0,
6094 rdev, dev, mac_addr, &sinfo) < 0) {
6099 return genlmsg_reply(msg, info);
6102 int cfg80211_check_station_change(struct wiphy *wiphy,
6103 struct station_parameters *params,
6104 enum cfg80211_station_type statype)
6106 if (params->listen_interval != -1 &&
6107 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6110 if (params->support_p2p_ps != -1 &&
6111 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6115 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6116 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6119 /* When you run into this, adjust the code below for the new flag */
6120 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6123 case CFG80211_STA_MESH_PEER_KERNEL:
6124 case CFG80211_STA_MESH_PEER_USER:
6126 * No ignoring the TDLS flag here -- the userspace mesh
6127 * code doesn't have the bug of including TDLS in the
6130 if (params->sta_flags_mask &
6131 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6132 BIT(NL80211_STA_FLAG_MFP) |
6133 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6136 case CFG80211_STA_TDLS_PEER_SETUP:
6137 case CFG80211_STA_TDLS_PEER_ACTIVE:
6138 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6140 /* ignore since it can't change */
6141 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6144 /* disallow mesh-specific things */
6145 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6147 if (params->local_pm)
6149 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6153 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6154 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6155 /* TDLS can't be set, ... */
6156 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6159 * ... but don't bother the driver with it. This works around
6160 * a hostapd/wpa_supplicant issue -- it always includes the
6161 * TLDS_PEER flag in the mask even for AP mode.
6163 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6166 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6167 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6168 /* reject other things that can't change */
6169 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6171 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6173 if (params->supported_rates)
6175 if (params->ext_capab || params->ht_capa || params->vht_capa ||
6180 if (statype != CFG80211_STA_AP_CLIENT &&
6181 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6187 case CFG80211_STA_AP_MLME_CLIENT:
6188 /* Use this only for authorizing/unauthorizing a station */
6189 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6192 case CFG80211_STA_AP_CLIENT:
6193 case CFG80211_STA_AP_CLIENT_UNASSOC:
6194 /* accept only the listed bits */
6195 if (params->sta_flags_mask &
6196 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6197 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6198 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6199 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6200 BIT(NL80211_STA_FLAG_WME) |
6201 BIT(NL80211_STA_FLAG_MFP)))
6204 /* but authenticated/associated only if driver handles it */
6205 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6206 params->sta_flags_mask &
6207 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6208 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6211 case CFG80211_STA_IBSS:
6212 case CFG80211_STA_AP_STA:
6213 /* reject any changes other than AUTHORIZED */
6214 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6217 case CFG80211_STA_TDLS_PEER_SETUP:
6218 /* reject any changes other than AUTHORIZED or WME */
6219 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6220 BIT(NL80211_STA_FLAG_WME)))
6222 /* force (at least) rates when authorizing */
6223 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6224 !params->supported_rates)
6227 case CFG80211_STA_TDLS_PEER_ACTIVE:
6228 /* reject any changes */
6230 case CFG80211_STA_MESH_PEER_KERNEL:
6231 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6234 case CFG80211_STA_MESH_PEER_USER:
6235 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6236 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
6242 * Older kernel versions ignored this attribute entirely, so don't
6243 * reject attempts to update it but mark it as unused instead so the
6244 * driver won't look at the data.
6246 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6247 statype != CFG80211_STA_TDLS_PEER_SETUP)
6248 params->opmode_notif_used = false;
6252 EXPORT_SYMBOL(cfg80211_check_station_change);
6255 * Get vlan interface making sure it is running and on the right wiphy.
6257 static struct net_device *get_vlan(struct genl_info *info,
6258 struct cfg80211_registered_device *rdev)
6260 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
6261 struct net_device *v;
6267 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6269 return ERR_PTR(-ENODEV);
6271 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6276 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6277 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6278 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6283 if (!netif_running(v)) {
6291 return ERR_PTR(ret);
6294 static const struct nla_policy
6295 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
6296 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
6297 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
6300 static int nl80211_parse_sta_wme(struct genl_info *info,
6301 struct station_parameters *params)
6303 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6307 /* parse WME attributes if present */
6308 if (!info->attrs[NL80211_ATTR_STA_WME])
6311 nla = info->attrs[NL80211_ATTR_STA_WME];
6312 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6313 nl80211_sta_wme_policy,
6318 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6319 params->uapsd_queues = nla_get_u8(
6320 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6321 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6324 if (tb[NL80211_STA_WME_MAX_SP])
6325 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6327 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6330 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6335 static int nl80211_parse_sta_channel_info(struct genl_info *info,
6336 struct station_parameters *params)
6338 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6339 params->supported_channels =
6340 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6341 params->supported_channels_len =
6342 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6344 * Need to include at least one (first channel, number of
6345 * channels) tuple for each subband (checked in policy),
6346 * and must have proper tuples for the rest of the data as well.
6348 if (params->supported_channels_len % 2)
6352 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6353 params->supported_oper_classes =
6354 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6355 params->supported_oper_classes_len =
6356 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6361 static int nl80211_set_station_tdls(struct genl_info *info,
6362 struct station_parameters *params)
6365 /* Dummy STA entry gets updated once the peer capabilities are known */
6366 if (info->attrs[NL80211_ATTR_PEER_AID])
6367 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6368 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6370 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6371 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6373 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6374 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6376 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6377 params->he_capa_len =
6378 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6381 err = nl80211_parse_sta_channel_info(info, params);
6385 return nl80211_parse_sta_wme(info, params);
6388 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
6389 struct station_parameters *params)
6391 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6394 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
6395 if (!rdev->ops->set_tx_power ||
6396 !wiphy_ext_feature_isset(&rdev->wiphy,
6397 NL80211_EXT_FEATURE_STA_TX_PWR))
6400 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
6401 params->txpwr.type = nla_get_u8(info->attrs[idx]);
6403 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
6404 idx = NL80211_ATTR_STA_TX_POWER;
6406 if (info->attrs[idx])
6407 params->txpwr.power =
6408 nla_get_s16(info->attrs[idx]);
6412 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
6418 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
6420 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6421 struct net_device *dev = info->user_ptr[1];
6422 struct station_parameters params;
6426 memset(¶ms, 0, sizeof(params));
6428 if (!rdev->ops->change_station)
6432 * AID and listen_interval properties can be set only for unassociated
6433 * station. Include these parameters here and will check them in
6434 * cfg80211_check_station_change().
6436 if (info->attrs[NL80211_ATTR_STA_AID])
6437 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6439 if (info->attrs[NL80211_ATTR_VLAN_ID])
6440 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6442 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6443 params.listen_interval =
6444 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6446 params.listen_interval = -1;
6448 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
6449 params.support_p2p_ps =
6450 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6452 params.support_p2p_ps = -1;
6454 if (!info->attrs[NL80211_ATTR_MAC])
6457 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6459 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
6460 params.supported_rates =
6461 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6462 params.supported_rates_len =
6463 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6466 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6468 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6469 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6472 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6474 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6475 params.ext_capab_len =
6476 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6479 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6482 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6483 params.plink_action =
6484 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6486 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
6487 params.plink_state =
6488 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
6489 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
6490 params.peer_aid = nla_get_u16(
6491 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
6492 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
6495 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
6496 params.local_pm = nla_get_u32(
6497 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
6499 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6500 params.opmode_notif_used = true;
6501 params.opmode_notif =
6502 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6505 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6506 params.he_6ghz_capa =
6507 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6509 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6510 params.airtime_weight =
6511 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6513 if (params.airtime_weight &&
6514 !wiphy_ext_feature_isset(&rdev->wiphy,
6515 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6518 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6522 /* Include parameters for TDLS peer (will check later) */
6523 err = nl80211_set_station_tdls(info, ¶ms);
6527 params.vlan = get_vlan(info, rdev);
6528 if (IS_ERR(params.vlan))
6529 return PTR_ERR(params.vlan);
6531 switch (dev->ieee80211_ptr->iftype) {
6532 case NL80211_IFTYPE_AP:
6533 case NL80211_IFTYPE_AP_VLAN:
6534 case NL80211_IFTYPE_P2P_GO:
6535 case NL80211_IFTYPE_P2P_CLIENT:
6536 case NL80211_IFTYPE_STATION:
6537 case NL80211_IFTYPE_ADHOC:
6538 case NL80211_IFTYPE_MESH_POINT:
6545 /* driver will call cfg80211_check_station_change() */
6546 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
6549 dev_put(params.vlan);
6554 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
6556 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6558 struct net_device *dev = info->user_ptr[1];
6559 struct station_parameters params;
6560 u8 *mac_addr = NULL;
6561 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6562 BIT(NL80211_STA_FLAG_ASSOCIATED);
6564 memset(¶ms, 0, sizeof(params));
6566 if (!rdev->ops->add_station)
6569 if (!info->attrs[NL80211_ATTR_MAC])
6572 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6575 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
6578 if (!info->attrs[NL80211_ATTR_STA_AID] &&
6579 !info->attrs[NL80211_ATTR_PEER_AID])
6582 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6583 params.supported_rates =
6584 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6585 params.supported_rates_len =
6586 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6587 params.listen_interval =
6588 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6590 if (info->attrs[NL80211_ATTR_VLAN_ID])
6591 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6593 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
6594 params.support_p2p_ps =
6595 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6598 * if not specified, assume it's supported for P2P GO interface,
6599 * and is NOT supported for AP interface
6601 params.support_p2p_ps =
6602 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
6605 if (info->attrs[NL80211_ATTR_PEER_AID])
6606 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6608 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6610 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6612 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6613 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6616 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6618 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6619 params.ext_capab_len =
6620 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6623 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6625 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6627 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6629 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]);
6638 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6639 params.he_6ghz_capa =
6640 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6642 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6643 params.opmode_notif_used = true;
6644 params.opmode_notif =
6645 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6648 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6649 params.plink_action =
6650 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6652 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6653 params.airtime_weight =
6654 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6656 if (params.airtime_weight &&
6657 !wiphy_ext_feature_isset(&rdev->wiphy,
6658 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6661 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6665 err = nl80211_parse_sta_channel_info(info, ¶ms);
6669 err = nl80211_parse_sta_wme(info, ¶ms);
6673 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6676 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
6677 * as userspace might just pass through the capabilities from the IEs
6678 * directly, rather than enforcing this restriction and returning an
6679 * error in this case.
6681 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
6682 params.ht_capa = NULL;
6683 params.vht_capa = NULL;
6685 /* HE requires WME */
6686 if (params.he_capa_len || params.he_6ghz_capa)
6690 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
6691 if (params.he_6ghz_capa && (params.ht_capa || params.vht_capa))
6694 /* When you run into this, adjust the code below for the new flag */
6695 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6697 switch (dev->ieee80211_ptr->iftype) {
6698 case NL80211_IFTYPE_AP:
6699 case NL80211_IFTYPE_AP_VLAN:
6700 case NL80211_IFTYPE_P2P_GO:
6701 /* ignore WME attributes if iface/sta is not capable */
6702 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
6703 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
6704 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6706 /* TDLS peers cannot be added */
6707 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6708 info->attrs[NL80211_ATTR_PEER_AID])
6710 /* but don't bother the driver with it */
6711 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6713 /* allow authenticated/associated only if driver handles it */
6714 if (!(rdev->wiphy.features &
6715 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6716 params.sta_flags_mask & auth_assoc)
6719 /* Older userspace, or userspace wanting to be compatible with
6720 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
6721 * and assoc flags in the mask, but assumes the station will be
6722 * added as associated anyway since this was the required driver
6723 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
6725 * In order to not bother drivers with this quirk in the API
6726 * set the flags in both the mask and set for new stations in
6729 if (!(params.sta_flags_mask & auth_assoc)) {
6730 params.sta_flags_mask |= auth_assoc;
6731 params.sta_flags_set |= auth_assoc;
6734 /* must be last in here for error handling */
6735 params.vlan = get_vlan(info, rdev);
6736 if (IS_ERR(params.vlan))
6737 return PTR_ERR(params.vlan);
6739 case NL80211_IFTYPE_MESH_POINT:
6740 /* ignore uAPSD data */
6741 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6743 /* associated is disallowed */
6744 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6746 /* TDLS peers cannot be added */
6747 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6748 info->attrs[NL80211_ATTR_PEER_AID])
6751 case NL80211_IFTYPE_STATION:
6752 case NL80211_IFTYPE_P2P_CLIENT:
6753 /* ignore uAPSD data */
6754 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6756 /* these are disallowed */
6757 if (params.sta_flags_mask &
6758 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6759 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
6761 /* Only TDLS peers can be added */
6762 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6764 /* Can only add if TDLS ... */
6765 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6767 /* ... with external setup is supported */
6768 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6771 * Older wpa_supplicant versions always mark the TDLS peer
6772 * as authorized, but it shouldn't yet be.
6774 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
6780 /* be aware of params.vlan when changing code here */
6782 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
6784 dev_put(params.vlan);
6788 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6790 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6791 struct net_device *dev = info->user_ptr[1];
6792 struct station_del_parameters params;
6794 memset(¶ms, 0, sizeof(params));
6796 if (info->attrs[NL80211_ATTR_MAC])
6797 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
6799 switch (dev->ieee80211_ptr->iftype) {
6800 case NL80211_IFTYPE_AP:
6801 case NL80211_IFTYPE_AP_VLAN:
6802 case NL80211_IFTYPE_MESH_POINT:
6803 case NL80211_IFTYPE_P2P_GO:
6804 /* always accept these */
6806 case NL80211_IFTYPE_ADHOC:
6807 /* conditionally accept */
6808 if (wiphy_ext_feature_isset(&rdev->wiphy,
6809 NL80211_EXT_FEATURE_DEL_IBSS_STA))
6816 if (!rdev->ops->del_station)
6819 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6821 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6822 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6823 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6826 /* Default to Deauthentication frame */
6827 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6830 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6831 params.reason_code =
6832 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6833 if (params.reason_code == 0)
6834 return -EINVAL; /* 0 is reserved */
6836 /* Default to reason code 2 */
6837 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6840 return rdev_del_station(rdev, dev, ¶ms);
6843 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
6844 int flags, struct net_device *dev,
6845 u8 *dst, u8 *next_hop,
6846 struct mpath_info *pinfo)
6849 struct nlattr *pinfoattr;
6851 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
6855 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6856 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6857 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6858 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6859 goto nla_put_failure;
6861 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
6863 goto nla_put_failure;
6864 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6865 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6867 goto nla_put_failure;
6868 if (((pinfo->filled & MPATH_INFO_SN) &&
6869 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6870 ((pinfo->filled & MPATH_INFO_METRIC) &&
6871 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6873 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6874 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6876 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6877 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6879 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6880 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6881 pinfo->discovery_timeout)) ||
6882 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6883 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
6884 pinfo->discovery_retries)) ||
6885 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6886 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
6887 pinfo->hop_count)) ||
6888 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6889 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6890 pinfo->path_change_count)))
6891 goto nla_put_failure;
6893 nla_nest_end(msg, pinfoattr);
6895 genlmsg_end(msg, hdr);
6899 genlmsg_cancel(msg, hdr);
6903 static int nl80211_dump_mpath(struct sk_buff *skb,
6904 struct netlink_callback *cb)
6906 struct mpath_info pinfo;
6907 struct cfg80211_registered_device *rdev;
6908 struct wireless_dev *wdev;
6910 u8 next_hop[ETH_ALEN];
6911 int path_idx = cb->args[2];
6914 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
6917 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6918 __acquire(&rdev->wiphy.mtx);
6920 if (!rdev->ops->dump_mpath) {
6925 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6931 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6938 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6939 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6940 wdev->netdev, dst, next_hop,
6948 cb->args[2] = path_idx;
6951 wiphy_unlock(&rdev->wiphy);
6955 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6957 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6959 struct net_device *dev = info->user_ptr[1];
6960 struct mpath_info pinfo;
6961 struct sk_buff *msg;
6963 u8 next_hop[ETH_ALEN];
6965 memset(&pinfo, 0, sizeof(pinfo));
6967 if (!info->attrs[NL80211_ATTR_MAC])
6970 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6972 if (!rdev->ops->get_mpath)
6975 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6978 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6982 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6986 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6987 dev, dst, next_hop, &pinfo) < 0) {
6992 return genlmsg_reply(msg, info);
6995 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6997 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6998 struct net_device *dev = info->user_ptr[1];
7000 u8 *next_hop = NULL;
7002 if (!info->attrs[NL80211_ATTR_MAC])
7005 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7008 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7009 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7011 if (!rdev->ops->change_mpath)
7014 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7017 return rdev_change_mpath(rdev, dev, dst, next_hop);
7020 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
7022 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7023 struct net_device *dev = info->user_ptr[1];
7025 u8 *next_hop = NULL;
7027 if (!info->attrs[NL80211_ATTR_MAC])
7030 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7033 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7034 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7036 if (!rdev->ops->add_mpath)
7039 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7042 return rdev_add_mpath(rdev, dev, dst, next_hop);
7045 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7047 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7048 struct net_device *dev = info->user_ptr[1];
7051 if (info->attrs[NL80211_ATTR_MAC])
7052 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7054 if (!rdev->ops->del_mpath)
7057 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7060 return rdev_del_mpath(rdev, dev, dst);
7063 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7065 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7067 struct net_device *dev = info->user_ptr[1];
7068 struct mpath_info pinfo;
7069 struct sk_buff *msg;
7073 memset(&pinfo, 0, sizeof(pinfo));
7075 if (!info->attrs[NL80211_ATTR_MAC])
7078 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7080 if (!rdev->ops->get_mpp)
7083 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7086 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7090 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7094 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7095 dev, dst, mpp, &pinfo) < 0) {
7100 return genlmsg_reply(msg, info);
7103 static int nl80211_dump_mpp(struct sk_buff *skb,
7104 struct netlink_callback *cb)
7106 struct mpath_info pinfo;
7107 struct cfg80211_registered_device *rdev;
7108 struct wireless_dev *wdev;
7111 int path_idx = cb->args[2];
7114 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
7117 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7118 __acquire(&rdev->wiphy.mtx);
7120 if (!rdev->ops->dump_mpp) {
7125 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7131 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7138 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7139 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7140 wdev->netdev, dst, mpp,
7148 cb->args[2] = path_idx;
7151 wiphy_unlock(&rdev->wiphy);
7155 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7157 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7158 struct net_device *dev = info->user_ptr[1];
7159 struct wireless_dev *wdev = dev->ieee80211_ptr;
7160 struct bss_parameters params;
7163 memset(¶ms, 0, sizeof(params));
7164 /* default to not changing parameters */
7165 params.use_cts_prot = -1;
7166 params.use_short_preamble = -1;
7167 params.use_short_slot_time = -1;
7168 params.ap_isolate = -1;
7169 params.ht_opmode = -1;
7170 params.p2p_ctwindow = -1;
7171 params.p2p_opp_ps = -1;
7173 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7174 params.use_cts_prot =
7175 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7176 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7177 params.use_short_preamble =
7178 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7179 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7180 params.use_short_slot_time =
7181 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
7182 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7183 params.basic_rates =
7184 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7185 params.basic_rates_len =
7186 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7188 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7189 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
7190 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7192 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
7194 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7195 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7197 params.p2p_ctwindow =
7198 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
7199 if (params.p2p_ctwindow != 0 &&
7200 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7204 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7207 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7209 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
7210 params.p2p_opp_ps = tmp;
7211 if (params.p2p_opp_ps &&
7212 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7216 if (!rdev->ops->change_bss)
7219 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7220 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7224 err = rdev_change_bss(rdev, dev, ¶ms);
7230 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7234 enum nl80211_user_reg_hint_type user_reg_hint_type;
7238 * You should only get this when cfg80211 hasn't yet initialized
7239 * completely when built-in to the kernel right between the time
7240 * window between nl80211_init() and regulatory_init(), if that is
7243 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
7244 return -EINPROGRESS;
7246 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7247 user_reg_hint_type =
7248 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7250 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7252 switch (user_reg_hint_type) {
7253 case NL80211_USER_REG_HINT_USER:
7254 case NL80211_USER_REG_HINT_CELL_BASE:
7255 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7258 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7259 return regulatory_hint_user(data, user_reg_hint_type);
7260 case NL80211_USER_REG_HINT_INDOOR:
7261 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7262 owner_nlportid = info->snd_portid;
7263 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7269 return regulatory_hint_indoor(is_indoor, owner_nlportid);
7275 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7277 return reg_reload_regdb();
7280 static int nl80211_get_mesh_config(struct sk_buff *skb,
7281 struct genl_info *info)
7283 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7284 struct net_device *dev = info->user_ptr[1];
7285 struct wireless_dev *wdev = dev->ieee80211_ptr;
7286 struct mesh_config cur_params;
7289 struct nlattr *pinfoattr;
7290 struct sk_buff *msg;
7292 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7295 if (!rdev->ops->get_mesh_config)
7299 /* If not connected, get default parameters */
7300 if (!wdev->mesh_id_len)
7301 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
7303 err = rdev_get_mesh_config(rdev, dev, &cur_params);
7309 /* Draw up a netlink message to send back */
7310 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7313 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7314 NL80211_CMD_GET_MESH_CONFIG);
7317 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
7319 goto nla_put_failure;
7320 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7321 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
7322 cur_params.dot11MeshRetryTimeout) ||
7323 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
7324 cur_params.dot11MeshConfirmTimeout) ||
7325 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
7326 cur_params.dot11MeshHoldingTimeout) ||
7327 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7328 cur_params.dot11MeshMaxPeerLinks) ||
7329 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
7330 cur_params.dot11MeshMaxRetries) ||
7331 nla_put_u8(msg, NL80211_MESHCONF_TTL,
7332 cur_params.dot11MeshTTL) ||
7333 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
7334 cur_params.element_ttl) ||
7335 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7336 cur_params.auto_open_plinks) ||
7337 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7338 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
7339 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7340 cur_params.dot11MeshHWMPmaxPREQretries) ||
7341 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
7342 cur_params.path_refresh_time) ||
7343 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7344 cur_params.min_discovery_timeout) ||
7345 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7346 cur_params.dot11MeshHWMPactivePathTimeout) ||
7347 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7348 cur_params.dot11MeshHWMPpreqMinInterval) ||
7349 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7350 cur_params.dot11MeshHWMPperrMinInterval) ||
7351 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7352 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
7353 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
7354 cur_params.dot11MeshHWMPRootMode) ||
7355 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7356 cur_params.dot11MeshHWMPRannInterval) ||
7357 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7358 cur_params.dot11MeshGateAnnouncementProtocol) ||
7359 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
7360 cur_params.dot11MeshForwarding) ||
7361 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
7362 cur_params.rssi_threshold) ||
7363 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
7364 cur_params.ht_opmode) ||
7365 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7366 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
7367 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7368 cur_params.dot11MeshHWMProotInterval) ||
7369 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7370 cur_params.dot11MeshHWMPconfirmationInterval) ||
7371 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
7372 cur_params.power_mode) ||
7373 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
7374 cur_params.dot11MeshAwakeWindowDuration) ||
7375 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
7376 cur_params.plink_timeout) ||
7377 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
7378 cur_params.dot11MeshConnectedToMeshGate) ||
7379 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
7380 cur_params.dot11MeshNolearn) ||
7381 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
7382 cur_params.dot11MeshConnectedToAuthServer))
7383 goto nla_put_failure;
7384 nla_nest_end(msg, pinfoattr);
7385 genlmsg_end(msg, hdr);
7386 return genlmsg_reply(msg, info);
7394 static const struct nla_policy
7395 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
7396 [NL80211_MESHCONF_RETRY_TIMEOUT] =
7397 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7398 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
7399 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7400 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
7401 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7402 [NL80211_MESHCONF_MAX_PEER_LINKS] =
7403 NLA_POLICY_RANGE(NLA_U16, 0, 255),
7404 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
7405 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7406 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7407 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
7408 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
7409 NLA_POLICY_RANGE(NLA_U32, 1, 255),
7410 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
7411 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
7412 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
7413 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
7414 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
7415 NLA_POLICY_MIN(NLA_U16, 1),
7416 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
7417 NLA_POLICY_MIN(NLA_U16, 1),
7418 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
7419 NLA_POLICY_MIN(NLA_U16, 1),
7420 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
7421 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
7422 NLA_POLICY_MIN(NLA_U16, 1),
7423 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
7424 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
7425 [NL80211_MESHCONF_RSSI_THRESHOLD] =
7426 NLA_POLICY_RANGE(NLA_S32, -255, 0),
7427 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
7428 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
7429 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
7430 NLA_POLICY_MIN(NLA_U16, 1),
7431 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
7432 NLA_POLICY_MIN(NLA_U16, 1),
7433 [NL80211_MESHCONF_POWER_MODE] =
7434 NLA_POLICY_RANGE(NLA_U32,
7435 NL80211_MESH_POWER_ACTIVE,
7436 NL80211_MESH_POWER_MAX),
7437 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
7438 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
7439 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7440 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7441 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7444 static const struct nla_policy
7445 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
7446 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
7447 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
7448 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
7449 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
7450 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
7451 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
7452 [NL80211_MESH_SETUP_IE] =
7453 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
7454 IEEE80211_MAX_DATA_LEN),
7455 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
7458 static int nl80211_parse_mesh_config(struct genl_info *info,
7459 struct mesh_config *cfg,
7462 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
7466 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
7469 cfg->param = fn(tb[attr]); \
7470 mask |= BIT((attr) - 1); \
7474 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
7476 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
7479 /* This makes sure that there aren't more than 32 mesh config
7480 * parameters (otherwise our bitfield scheme would not work.) */
7481 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
7483 /* Fill in the params struct */
7484 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
7485 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
7486 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
7487 NL80211_MESHCONF_CONFIRM_TIMEOUT,
7489 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
7490 NL80211_MESHCONF_HOLDING_TIMEOUT,
7492 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
7493 NL80211_MESHCONF_MAX_PEER_LINKS,
7495 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
7496 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
7497 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
7498 NL80211_MESHCONF_TTL, nla_get_u8);
7499 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
7500 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
7501 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
7502 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7504 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
7506 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7508 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
7509 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7511 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
7512 NL80211_MESHCONF_PATH_REFRESH_TIME,
7514 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
7515 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
7517 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
7518 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7520 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
7522 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7524 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
7525 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
7526 cfg->dot11MeshHWMPactivePathTimeout > 65535))
7528 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
7529 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7531 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
7532 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7534 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7535 dot11MeshHWMPnetDiameterTraversalTime, mask,
7536 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7538 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
7539 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
7540 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
7541 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7543 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
7544 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7546 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
7547 NL80211_MESHCONF_FORWARDING, nla_get_u8);
7548 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
7549 NL80211_MESHCONF_RSSI_THRESHOLD,
7551 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
7552 NL80211_MESHCONF_CONNECTED_TO_GATE,
7554 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
7555 NL80211_MESHCONF_CONNECTED_TO_AS,
7558 * Check HT operation mode based on
7559 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
7561 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
7562 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
7564 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
7565 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
7566 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
7569 /* NON_HT_STA bit is reserved, but some programs set it */
7570 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
7572 cfg->ht_opmode = ht_opmode;
7573 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
7575 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7576 dot11MeshHWMPactivePathToRootTimeout, mask,
7577 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7579 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
7580 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
7581 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
7583 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
7584 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7586 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
7588 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7590 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
7591 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
7592 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
7593 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
7594 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
7595 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
7596 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
7597 NL80211_MESHCONF_NOLEARN, nla_get_u8);
7603 #undef FILL_IN_MESH_PARAM_IF_SET
7606 static int nl80211_parse_mesh_setup(struct genl_info *info,
7607 struct mesh_setup *setup)
7609 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7610 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
7612 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
7614 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
7617 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
7618 setup->sync_method =
7619 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
7620 IEEE80211_SYNC_METHOD_VENDOR :
7621 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
7623 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
7624 setup->path_sel_proto =
7625 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
7626 IEEE80211_PATH_PROTOCOL_VENDOR :
7627 IEEE80211_PATH_PROTOCOL_HWMP;
7629 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
7630 setup->path_metric =
7631 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
7632 IEEE80211_PATH_METRIC_VENDOR :
7633 IEEE80211_PATH_METRIC_AIRTIME;
7635 if (tb[NL80211_MESH_SETUP_IE]) {
7636 struct nlattr *ieattr =
7637 tb[NL80211_MESH_SETUP_IE];
7638 setup->ie = nla_data(ieattr);
7639 setup->ie_len = nla_len(ieattr);
7641 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
7642 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
7644 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
7645 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
7646 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
7647 if (setup->is_secure)
7648 setup->user_mpm = true;
7650 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
7651 if (!setup->user_mpm)
7654 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
7660 static int nl80211_update_mesh_config(struct sk_buff *skb,
7661 struct genl_info *info)
7663 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7664 struct net_device *dev = info->user_ptr[1];
7665 struct wireless_dev *wdev = dev->ieee80211_ptr;
7666 struct mesh_config cfg;
7670 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7673 if (!rdev->ops->update_mesh_config)
7676 err = nl80211_parse_mesh_config(info, &cfg, &mask);
7681 if (!wdev->mesh_id_len)
7685 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
7692 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
7693 struct sk_buff *msg)
7695 struct nlattr *nl_reg_rules;
7698 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
7699 (regdom->dfs_region &&
7700 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
7701 goto nla_put_failure;
7703 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
7705 goto nla_put_failure;
7707 for (i = 0; i < regdom->n_reg_rules; i++) {
7708 struct nlattr *nl_reg_rule;
7709 const struct ieee80211_reg_rule *reg_rule;
7710 const struct ieee80211_freq_range *freq_range;
7711 const struct ieee80211_power_rule *power_rule;
7712 unsigned int max_bandwidth_khz;
7714 reg_rule = ®dom->reg_rules[i];
7715 freq_range = ®_rule->freq_range;
7716 power_rule = ®_rule->power_rule;
7718 nl_reg_rule = nla_nest_start_noflag(msg, i);
7720 goto nla_put_failure;
7722 max_bandwidth_khz = freq_range->max_bandwidth_khz;
7723 if (!max_bandwidth_khz)
7724 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
7727 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
7729 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
7730 freq_range->start_freq_khz) ||
7731 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
7732 freq_range->end_freq_khz) ||
7733 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
7734 max_bandwidth_khz) ||
7735 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
7736 power_rule->max_antenna_gain) ||
7737 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
7738 power_rule->max_eirp) ||
7739 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
7740 reg_rule->dfs_cac_ms))
7741 goto nla_put_failure;
7743 nla_nest_end(msg, nl_reg_rule);
7746 nla_nest_end(msg, nl_reg_rules);
7753 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
7755 const struct ieee80211_regdomain *regdom = NULL;
7756 struct cfg80211_registered_device *rdev;
7757 struct wiphy *wiphy = NULL;
7758 struct sk_buff *msg;
7761 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7765 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7766 NL80211_CMD_GET_REG);
7772 if (info->attrs[NL80211_ATTR_WIPHY]) {
7775 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7779 return PTR_ERR(rdev);
7782 wiphy = &rdev->wiphy;
7783 self_managed = wiphy->regulatory_flags &
7784 REGULATORY_WIPHY_SELF_MANAGED;
7785 regdom = get_wiphy_regdom(wiphy);
7787 /* a self-managed-reg device must have a private regdom */
7788 if (WARN_ON(!regdom && self_managed)) {
7795 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7796 goto nla_put_failure;
7799 if (!wiphy && reg_last_request_cell_base() &&
7800 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7801 NL80211_USER_REG_HINT_CELL_BASE))
7802 goto nla_put_failure;
7807 regdom = rcu_dereference(cfg80211_regdomain);
7809 if (nl80211_put_regdom(regdom, msg))
7810 goto nla_put_failure_rcu;
7814 genlmsg_end(msg, hdr);
7816 return genlmsg_reply(msg, info);
7818 nla_put_failure_rcu:
7827 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7828 u32 seq, int flags, struct wiphy *wiphy,
7829 const struct ieee80211_regdomain *regdom)
7831 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7832 NL80211_CMD_GET_REG);
7837 genl_dump_check_consistent(cb, hdr);
7839 if (nl80211_put_regdom(regdom, msg))
7840 goto nla_put_failure;
7842 if (!wiphy && reg_last_request_cell_base() &&
7843 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7844 NL80211_USER_REG_HINT_CELL_BASE))
7845 goto nla_put_failure;
7848 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7849 goto nla_put_failure;
7851 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7852 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7853 goto nla_put_failure;
7855 genlmsg_end(msg, hdr);
7859 genlmsg_cancel(msg, hdr);
7863 static int nl80211_get_reg_dump(struct sk_buff *skb,
7864 struct netlink_callback *cb)
7866 const struct ieee80211_regdomain *regdom = NULL;
7867 struct cfg80211_registered_device *rdev;
7868 int err, reg_idx, start = cb->args[2];
7872 if (cfg80211_regdomain && start == 0) {
7873 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7875 rtnl_dereference(cfg80211_regdomain));
7880 /* the global regdom is idx 0 */
7882 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7883 regdom = get_wiphy_regdom(&rdev->wiphy);
7887 if (++reg_idx <= start)
7890 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7891 NLM_F_MULTI, &rdev->wiphy, regdom);
7898 cb->args[2] = reg_idx;
7905 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
7906 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7907 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7908 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7909 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7910 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7911 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7912 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7913 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7916 static int parse_reg_rule(struct nlattr *tb[],
7917 struct ieee80211_reg_rule *reg_rule)
7919 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
7920 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
7922 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7924 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7926 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7928 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7930 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7933 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7935 freq_range->start_freq_khz =
7936 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7937 freq_range->end_freq_khz =
7938 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7939 freq_range->max_bandwidth_khz =
7940 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7942 power_rule->max_eirp =
7943 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7945 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7946 power_rule->max_antenna_gain =
7947 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7949 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7950 reg_rule->dfs_cac_ms =
7951 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7956 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7958 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7959 struct nlattr *nl_reg_rule;
7961 int rem_reg_rules, r;
7962 u32 num_rules = 0, rule_idx = 0;
7963 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7964 struct ieee80211_regdomain *rd;
7966 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7969 if (!info->attrs[NL80211_ATTR_REG_RULES])
7972 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7974 if (info->attrs[NL80211_ATTR_DFS_REGION])
7975 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7977 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7980 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7985 if (!reg_is_valid_request(alpha2)) {
7990 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7996 rd->n_reg_rules = num_rules;
7997 rd->alpha2[0] = alpha2[0];
7998 rd->alpha2[1] = alpha2[1];
8001 * Disable DFS master mode if the DFS region was
8002 * not supported or known on this kernel.
8004 if (reg_supported_dfs_region(dfs_region))
8005 rd->dfs_region = dfs_region;
8007 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
8009 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
8010 nl_reg_rule, reg_rule_policy,
8014 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
8020 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
8026 r = set_regdom(rd, REGD_SOURCE_CRDA);
8027 /* set_regdom takes ownership of rd */
8035 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
8037 static int validate_scan_freqs(struct nlattr *freqs)
8039 struct nlattr *attr1, *attr2;
8040 int n_channels = 0, tmp1, tmp2;
8042 nla_for_each_nested(attr1, freqs, tmp1)
8043 if (nla_len(attr1) != sizeof(u32))
8046 nla_for_each_nested(attr1, freqs, tmp1) {
8049 * Some hardware has a limited channel list for
8050 * scanning, and it is pretty much nonsensical
8051 * to scan for a channel twice, so disallow that
8052 * and don't require drivers to check that the
8053 * channel list they get isn't longer than what
8054 * they can scan, as long as they can scan all
8055 * the channels they registered at once.
8057 nla_for_each_nested(attr2, freqs, tmp2)
8058 if (attr1 != attr2 &&
8059 nla_get_u32(attr1) == nla_get_u32(attr2))
8066 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
8068 return b < NUM_NL80211_BANDS && wiphy->bands[b];
8071 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8072 struct cfg80211_bss_selection *bss_select)
8074 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8075 struct nlattr *nest;
8080 /* only process one nested attribute */
8081 nest = nla_data(nla);
8082 if (!nla_ok(nest, nla_len(nest)))
8085 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8086 nest, nl80211_bss_select_policy,
8091 /* only one attribute may be given */
8092 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8100 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8102 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8103 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8105 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8106 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8107 bss_select->param.band_pref =
8108 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8109 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8113 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8114 struct nl80211_bss_select_rssi_adjust *adj_param;
8116 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8117 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8118 bss_select->param.adjust.band = adj_param->band;
8119 bss_select->param.adjust.delta = adj_param->delta;
8120 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8124 /* user-space did not provide behaviour attribute */
8125 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8128 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8134 int nl80211_parse_random_mac(struct nlattr **attrs,
8135 u8 *mac_addr, u8 *mac_addr_mask)
8139 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
8140 eth_zero_addr(mac_addr);
8141 eth_zero_addr(mac_addr_mask);
8143 mac_addr_mask[0] = 0x3;
8148 /* need both or none */
8149 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8152 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8153 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8155 /* don't allow or configure an mcast address */
8156 if (!is_multicast_ether_addr(mac_addr_mask) ||
8157 is_multicast_ether_addr(mac_addr))
8161 * allow users to pass a MAC address that has bits set outside
8162 * of the mask, but don't bother drivers with having to deal
8165 for (i = 0; i < ETH_ALEN; i++)
8166 mac_addr[i] &= mac_addr_mask[i];
8171 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
8173 ASSERT_WDEV_LOCK(wdev);
8175 if (!cfg80211_beaconing_iface_active(wdev))
8178 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
8181 return regulatory_pre_cac_allowed(wdev->wiphy);
8184 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
8185 enum nl80211_ext_feature_index feat)
8187 if (!(flags & flag))
8189 if (wiphy_ext_feature_isset(wiphy, feat))
8195 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
8196 void *request, struct nlattr **attrs,
8199 u8 *mac_addr, *mac_addr_mask;
8201 enum nl80211_feature_flags randomness_flag;
8203 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
8206 if (is_sched_scan) {
8207 struct cfg80211_sched_scan_request *req = request;
8209 randomness_flag = wdev ?
8210 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8211 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8212 flags = &req->flags;
8213 mac_addr = req->mac_addr;
8214 mac_addr_mask = req->mac_addr_mask;
8216 struct cfg80211_scan_request *req = request;
8218 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8219 flags = &req->flags;
8220 mac_addr = req->mac_addr;
8221 mac_addr_mask = req->mac_addr_mask;
8224 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8226 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8227 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
8228 !nl80211_check_scan_feat(wiphy, *flags,
8229 NL80211_SCAN_FLAG_LOW_SPAN,
8230 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8231 !nl80211_check_scan_feat(wiphy, *flags,
8232 NL80211_SCAN_FLAG_LOW_POWER,
8233 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8234 !nl80211_check_scan_feat(wiphy, *flags,
8235 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8236 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8237 !nl80211_check_scan_feat(wiphy, *flags,
8238 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8239 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8240 !nl80211_check_scan_feat(wiphy, *flags,
8241 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8242 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8243 !nl80211_check_scan_feat(wiphy, *flags,
8244 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8245 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8246 !nl80211_check_scan_feat(wiphy, *flags,
8247 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
8248 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8249 !nl80211_check_scan_feat(wiphy, *flags,
8250 NL80211_SCAN_FLAG_RANDOM_SN,
8251 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8252 !nl80211_check_scan_feat(wiphy, *flags,
8253 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8254 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
8257 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
8260 if (!(wiphy->features & randomness_flag) ||
8261 (wdev && wdev->current_bss))
8264 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
8272 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
8274 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8275 struct wireless_dev *wdev = info->user_ptr[1];
8276 struct cfg80211_scan_request *request;
8277 struct nlattr *scan_freqs = NULL;
8278 bool scan_freqs_khz = false;
8279 struct nlattr *attr;
8280 struct wiphy *wiphy;
8281 int err, tmp, n_ssids = 0, n_channels, i;
8284 wiphy = &rdev->wiphy;
8286 if (wdev->iftype == NL80211_IFTYPE_NAN)
8289 if (!rdev->ops->scan)
8292 if (rdev->scan_req || rdev->scan_msg)
8295 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
8296 if (!wiphy_ext_feature_isset(wiphy,
8297 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
8299 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
8300 scan_freqs_khz = true;
8301 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
8302 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
8305 n_channels = validate_scan_freqs(scan_freqs);
8309 n_channels = ieee80211_get_num_supported_channels(wiphy);
8312 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
8313 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
8316 if (n_ssids > wiphy->max_scan_ssids)
8319 if (info->attrs[NL80211_ATTR_IE])
8320 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8324 if (ie_len > wiphy->max_scan_ie_len)
8327 request = kzalloc(sizeof(*request)
8328 + sizeof(*request->ssids) * n_ssids
8329 + sizeof(*request->channels) * n_channels
8330 + ie_len, GFP_KERNEL);
8335 request->ssids = (void *)&request->channels[n_channels];
8336 request->n_ssids = n_ssids;
8339 request->ie = (void *)(request->ssids + n_ssids);
8341 request->ie = (void *)(request->channels + n_channels);
8346 /* user specified, bail out if channel not found */
8347 nla_for_each_nested(attr, scan_freqs, tmp) {
8348 struct ieee80211_channel *chan;
8349 int freq = nla_get_u32(attr);
8351 if (!scan_freqs_khz)
8352 freq = MHZ_TO_KHZ(freq);
8354 chan = ieee80211_get_channel_khz(wiphy, freq);
8360 /* ignore disabled channels */
8361 if (chan->flags & IEEE80211_CHAN_DISABLED)
8364 request->channels[i] = chan;
8368 enum nl80211_band band;
8371 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8374 if (!wiphy->bands[band])
8376 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8377 struct ieee80211_channel *chan;
8379 chan = &wiphy->bands[band]->channels[j];
8381 if (chan->flags & IEEE80211_CHAN_DISABLED)
8384 request->channels[i] = chan;
8395 request->n_channels = i;
8398 if (!cfg80211_off_channel_oper_allowed(wdev)) {
8399 struct ieee80211_channel *chan;
8401 if (request->n_channels != 1) {
8407 chan = request->channels[0];
8408 if (chan->center_freq != wdev->chandef.chan->center_freq) {
8418 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
8419 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8423 request->ssids[i].ssid_len = nla_len(attr);
8424 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
8429 if (info->attrs[NL80211_ATTR_IE]) {
8430 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8431 memcpy((void *)request->ie,
8432 nla_data(info->attrs[NL80211_ATTR_IE]),
8436 for (i = 0; i < NUM_NL80211_BANDS; i++)
8437 if (wiphy->bands[i])
8439 (1 << wiphy->bands[i]->n_bitrates) - 1;
8441 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
8442 nla_for_each_nested(attr,
8443 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
8445 enum nl80211_band band = nla_type(attr);
8447 if (band < 0 || band >= NUM_NL80211_BANDS) {
8452 if (!wiphy->bands[band])
8455 err = ieee80211_get_ratemask(wiphy->bands[band],
8458 &request->rates[band]);
8464 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
8466 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
8467 request->duration_mandatory =
8468 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
8471 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
8477 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
8479 /* Initial implementation used NL80211_ATTR_MAC to set the specific
8480 * BSSID to scan for. This was problematic because that same attribute
8481 * was already used for another purpose (local random MAC address). The
8482 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
8483 * compatibility with older userspace components, also use the
8484 * NL80211_ATTR_MAC value here if it can be determined to be used for
8485 * the specific BSSID use case instead of the random MAC address
8486 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
8488 if (info->attrs[NL80211_ATTR_BSSID])
8489 memcpy(request->bssid,
8490 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
8491 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
8492 info->attrs[NL80211_ATTR_MAC])
8493 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
8496 eth_broadcast_addr(request->bssid);
8498 request->wdev = wdev;
8499 request->wiphy = &rdev->wiphy;
8500 request->scan_start = jiffies;
8502 rdev->scan_req = request;
8503 err = cfg80211_scan(rdev);
8508 nl80211_send_scan_start(rdev, wdev);
8509 dev_hold(wdev->netdev);
8514 rdev->scan_req = NULL;
8520 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
8522 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8523 struct wireless_dev *wdev = info->user_ptr[1];
8525 if (!rdev->ops->abort_scan)
8531 if (!rdev->scan_req)
8534 rdev_abort_scan(rdev, wdev);
8539 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
8540 struct cfg80211_sched_scan_request *request,
8541 struct nlattr **attrs)
8543 int tmp, err, i = 0;
8544 struct nlattr *attr;
8546 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8550 * If scan plans are not specified,
8551 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
8552 * case one scan plan will be set with the specified scan
8553 * interval and infinite number of iterations.
8555 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
8559 request->scan_plans[0].interval =
8560 DIV_ROUND_UP(interval, MSEC_PER_SEC);
8561 if (!request->scan_plans[0].interval)
8564 if (request->scan_plans[0].interval >
8565 wiphy->max_sched_scan_plan_interval)
8566 request->scan_plans[0].interval =
8567 wiphy->max_sched_scan_plan_interval;
8572 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
8573 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
8575 if (WARN_ON(i >= n_plans))
8578 err = nla_parse_nested_deprecated(plan,
8579 NL80211_SCHED_SCAN_PLAN_MAX,
8580 attr, nl80211_plan_policy,
8585 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
8588 request->scan_plans[i].interval =
8589 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
8590 if (!request->scan_plans[i].interval ||
8591 request->scan_plans[i].interval >
8592 wiphy->max_sched_scan_plan_interval)
8595 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
8596 request->scan_plans[i].iterations =
8597 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
8598 if (!request->scan_plans[i].iterations ||
8599 (request->scan_plans[i].iterations >
8600 wiphy->max_sched_scan_plan_iterations))
8602 } else if (i < n_plans - 1) {
8604 * All scan plans but the last one must specify
8605 * a finite number of iterations
8614 * The last scan plan must not specify the number of
8615 * iterations, it is supposed to run infinitely
8617 if (request->scan_plans[n_plans - 1].iterations)
8624 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
8625 struct cfg80211_match_set *match_sets,
8626 struct nlattr *tb_band_rssi,
8629 struct nlattr *attr;
8630 int i, tmp, ret = 0;
8632 if (!wiphy_ext_feature_isset(wiphy,
8633 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
8637 for (i = 0; i < NUM_NL80211_BANDS; i++)
8638 match_sets->per_band_rssi_thold[i] =
8639 NL80211_SCAN_RSSI_THOLD_OFF;
8643 for (i = 0; i < NUM_NL80211_BANDS; i++)
8644 match_sets->per_band_rssi_thold[i] = rssi_thold;
8646 nla_for_each_nested(attr, tb_band_rssi, tmp) {
8647 enum nl80211_band band = nla_type(attr);
8649 if (band < 0 || band >= NUM_NL80211_BANDS)
8652 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
8658 static struct cfg80211_sched_scan_request *
8659 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
8660 struct nlattr **attrs, int max_match_sets)
8662 struct cfg80211_sched_scan_request *request;
8663 struct nlattr *attr;
8664 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
8665 enum nl80211_band band;
8667 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
8668 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
8670 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8671 n_channels = validate_scan_freqs(
8672 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
8674 return ERR_PTR(-EINVAL);
8676 n_channels = ieee80211_get_num_supported_channels(wiphy);
8679 if (attrs[NL80211_ATTR_SCAN_SSIDS])
8680 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8684 if (n_ssids > wiphy->max_sched_scan_ssids)
8685 return ERR_PTR(-EINVAL);
8688 * First, count the number of 'real' matchsets. Due to an issue with
8689 * the old implementation, matchsets containing only the RSSI attribute
8690 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
8691 * RSSI for all matchsets, rather than their own matchset for reporting
8692 * all APs with a strong RSSI. This is needed to be compatible with
8693 * older userspace that treated a matchset with only the RSSI as the
8694 * global RSSI for all other matchsets - if there are other matchsets.
8696 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8697 nla_for_each_nested(attr,
8698 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8700 struct nlattr *rssi;
8702 err = nla_parse_nested_deprecated(tb,
8703 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8705 nl80211_match_policy,
8708 return ERR_PTR(err);
8710 /* SSID and BSSID are mutually exclusive */
8711 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
8712 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
8713 return ERR_PTR(-EINVAL);
8715 /* add other standalone attributes here */
8716 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
8717 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
8721 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8723 default_match_rssi = nla_get_s32(rssi);
8727 /* However, if there's no other matchset, add the RSSI one */
8728 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
8731 if (n_match_sets > max_match_sets)
8732 return ERR_PTR(-EINVAL);
8734 if (attrs[NL80211_ATTR_IE])
8735 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
8739 if (ie_len > wiphy->max_sched_scan_ie_len)
8740 return ERR_PTR(-EINVAL);
8742 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8744 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
8745 * each scan plan already specifies its own interval
8747 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8748 return ERR_PTR(-EINVAL);
8750 nla_for_each_nested(attr,
8751 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
8755 * The scan interval attribute is kept for backward
8756 * compatibility. If no scan plans are specified and sched scan
8757 * interval is specified, one scan plan will be set with this
8758 * scan interval and infinite number of iterations.
8760 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8761 return ERR_PTR(-EINVAL);
8766 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
8767 return ERR_PTR(-EINVAL);
8769 if (!wiphy_ext_feature_isset(
8770 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
8771 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
8772 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8773 return ERR_PTR(-EINVAL);
8775 request = kzalloc(sizeof(*request)
8776 + sizeof(*request->ssids) * n_ssids
8777 + sizeof(*request->match_sets) * n_match_sets
8778 + sizeof(*request->scan_plans) * n_plans
8779 + sizeof(*request->channels) * n_channels
8780 + ie_len, GFP_KERNEL);
8782 return ERR_PTR(-ENOMEM);
8785 request->ssids = (void *)&request->channels[n_channels];
8786 request->n_ssids = n_ssids;
8789 request->ie = (void *)(request->ssids + n_ssids);
8791 request->ie = (void *)(request->channels + n_channels);
8796 request->match_sets = (void *)(request->ie + ie_len);
8798 request->match_sets =
8799 (void *)(request->ssids + n_ssids);
8801 request->match_sets =
8802 (void *)(request->channels + n_channels);
8804 request->n_match_sets = n_match_sets;
8807 request->scan_plans = (void *)(request->match_sets +
8809 else if (request->ie)
8810 request->scan_plans = (void *)(request->ie + ie_len);
8812 request->scan_plans = (void *)(request->ssids + n_ssids);
8814 request->scan_plans = (void *)(request->channels + n_channels);
8816 request->n_scan_plans = n_plans;
8819 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8820 /* user specified, bail out if channel not found */
8821 nla_for_each_nested(attr,
8822 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
8824 struct ieee80211_channel *chan;
8826 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8833 /* ignore disabled channels */
8834 if (chan->flags & IEEE80211_CHAN_DISABLED)
8837 request->channels[i] = chan;
8842 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8845 if (!wiphy->bands[band])
8847 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8848 struct ieee80211_channel *chan;
8850 chan = &wiphy->bands[band]->channels[j];
8852 if (chan->flags & IEEE80211_CHAN_DISABLED)
8855 request->channels[i] = chan;
8866 request->n_channels = i;
8870 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8872 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8876 request->ssids[i].ssid_len = nla_len(attr);
8877 memcpy(request->ssids[i].ssid, nla_data(attr),
8884 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8885 nla_for_each_nested(attr,
8886 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8888 struct nlattr *ssid, *bssid, *rssi;
8890 err = nla_parse_nested_deprecated(tb,
8891 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8893 nl80211_match_policy,
8897 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
8898 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
8900 if (!ssid && !bssid) {
8905 if (WARN_ON(i >= n_match_sets)) {
8906 /* this indicates a programming error,
8907 * the loop above should have verified
8915 memcpy(request->match_sets[i].ssid.ssid,
8916 nla_data(ssid), nla_len(ssid));
8917 request->match_sets[i].ssid.ssid_len =
8921 memcpy(request->match_sets[i].bssid,
8922 nla_data(bssid), ETH_ALEN);
8924 /* special attribute - old implementation w/a */
8925 request->match_sets[i].rssi_thold = default_match_rssi;
8926 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8928 request->match_sets[i].rssi_thold =
8931 /* Parse per band RSSI attribute */
8932 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8933 &request->match_sets[i],
8934 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8935 request->match_sets[i].rssi_thold);
8942 /* there was no other matchset, so the RSSI one is alone */
8943 if (i == 0 && n_match_sets)
8944 request->match_sets[0].rssi_thold = default_match_rssi;
8946 request->min_rssi_thold = INT_MAX;
8947 for (i = 0; i < n_match_sets; i++)
8948 request->min_rssi_thold =
8949 min(request->match_sets[i].rssi_thold,
8950 request->min_rssi_thold);
8952 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8956 request->ie_len = ie_len;
8957 memcpy((void *)request->ie,
8958 nla_data(attrs[NL80211_ATTR_IE]),
8962 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8966 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8968 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8970 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8971 request->relative_rssi = nla_get_s8(
8972 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8973 request->relative_rssi_set = true;
8976 if (request->relative_rssi_set &&
8977 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8978 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8980 rssi_adjust = nla_data(
8981 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8982 request->rssi_adjust.band = rssi_adjust->band;
8983 request->rssi_adjust.delta = rssi_adjust->delta;
8984 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8990 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8994 request->scan_start = jiffies;
9000 return ERR_PTR(err);
9003 static int nl80211_start_sched_scan(struct sk_buff *skb,
9004 struct genl_info *info)
9006 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9007 struct net_device *dev = info->user_ptr[1];
9008 struct wireless_dev *wdev = dev->ieee80211_ptr;
9009 struct cfg80211_sched_scan_request *sched_scan_req;
9013 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
9016 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
9017 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
9021 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
9023 rdev->wiphy.max_match_sets);
9025 err = PTR_ERR_OR_ZERO(sched_scan_req);
9029 /* leave request id zero for legacy request
9030 * or if driver does not support multi-scheduled scan
9032 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
9033 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
9035 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
9039 sched_scan_req->dev = dev;
9040 sched_scan_req->wiphy = &rdev->wiphy;
9042 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9043 sched_scan_req->owner_nlportid = info->snd_portid;
9045 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
9047 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
9051 kfree(sched_scan_req);
9056 static int nl80211_stop_sched_scan(struct sk_buff *skb,
9057 struct genl_info *info)
9059 struct cfg80211_sched_scan_request *req;
9060 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9063 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
9066 if (info->attrs[NL80211_ATTR_COOKIE]) {
9067 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9068 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9071 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9072 struct cfg80211_sched_scan_request,
9074 if (!req || req->reqid ||
9075 (req->owner_nlportid &&
9076 req->owner_nlportid != info->snd_portid))
9079 return cfg80211_stop_sched_scan_req(rdev, req, false);
9082 static int nl80211_start_radar_detection(struct sk_buff *skb,
9083 struct genl_info *info)
9085 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9086 struct net_device *dev = info->user_ptr[1];
9087 struct wireless_dev *wdev = dev->ieee80211_ptr;
9088 struct wiphy *wiphy = wdev->wiphy;
9089 struct cfg80211_chan_def chandef;
9090 enum nl80211_dfs_regions dfs_region;
9091 unsigned int cac_time_ms;
9094 dfs_region = reg_get_dfs_region(wiphy);
9095 if (dfs_region == NL80211_DFS_UNSET)
9098 err = nl80211_parse_chandef(rdev, info, &chandef);
9102 if (netif_carrier_ok(dev))
9105 if (wdev->cac_started)
9108 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9115 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
9118 /* CAC start is offloaded to HW and can't be started manually */
9119 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
9122 if (!rdev->ops->start_radar_detection)
9125 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
9126 if (WARN_ON(!cac_time_ms))
9127 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
9129 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
9131 wdev->chandef = chandef;
9132 wdev->cac_started = true;
9133 wdev->cac_start_time = jiffies;
9134 wdev->cac_time_ms = cac_time_ms;
9139 static int nl80211_notify_radar_detection(struct sk_buff *skb,
9140 struct genl_info *info)
9142 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9143 struct net_device *dev = info->user_ptr[1];
9144 struct wireless_dev *wdev = dev->ieee80211_ptr;
9145 struct wiphy *wiphy = wdev->wiphy;
9146 struct cfg80211_chan_def chandef;
9147 enum nl80211_dfs_regions dfs_region;
9150 dfs_region = reg_get_dfs_region(wiphy);
9151 if (dfs_region == NL80211_DFS_UNSET) {
9152 GENL_SET_ERR_MSG(info,
9153 "DFS Region is not set. Unexpected Radar indication");
9157 err = nl80211_parse_chandef(rdev, info, &chandef);
9159 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
9163 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9165 GENL_SET_ERR_MSG(info, "chandef is invalid");
9170 GENL_SET_ERR_MSG(info,
9171 "Unexpected Radar indication for chandef/iftype");
9175 /* Do not process this notification if radar is already detected
9176 * by kernel on this channel, and return success.
9178 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
9181 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
9183 cfg80211_sched_dfs_chan_update(rdev);
9185 rdev->radar_chandef = chandef;
9187 /* Propagate this notification to other radios as well */
9188 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
9193 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
9195 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9196 struct net_device *dev = info->user_ptr[1];
9197 struct wireless_dev *wdev = dev->ieee80211_ptr;
9198 struct cfg80211_csa_settings params;
9199 struct nlattr **csa_attrs = NULL;
9201 bool need_new_beacon = false;
9202 bool need_handle_dfs_flag = true;
9206 if (!rdev->ops->channel_switch ||
9207 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9210 switch (dev->ieee80211_ptr->iftype) {
9211 case NL80211_IFTYPE_AP:
9212 case NL80211_IFTYPE_P2P_GO:
9213 need_new_beacon = true;
9214 /* For all modes except AP the handle_dfs flag needs to be
9215 * supplied to tell the kernel that userspace will handle radar
9216 * events when they happen. Otherwise a switch to a channel
9217 * requiring DFS will be rejected.
9219 need_handle_dfs_flag = false;
9221 /* useless if AP is not running */
9222 if (!wdev->beacon_interval)
9225 case NL80211_IFTYPE_ADHOC:
9226 if (!wdev->ssid_len)
9229 case NL80211_IFTYPE_MESH_POINT:
9230 if (!wdev->mesh_id_len)
9237 memset(¶ms, 0, sizeof(params));
9238 params.beacon_csa.ftm_responder = -1;
9240 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9241 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
9244 /* only important for AP, IBSS and mesh create IEs internally */
9245 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
9248 /* Even though the attribute is u32, the specification says
9249 * u8, so let's make sure we don't overflow.
9251 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
9255 params.count = cs_count;
9257 if (!need_new_beacon)
9260 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
9264 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
9269 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
9270 info->attrs[NL80211_ATTR_CSA_IES],
9271 nl80211_policy, info->extack);
9275 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
9279 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
9284 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9285 if (!len || (len % sizeof(u16))) {
9290 params.n_counter_offsets_beacon = len / sizeof(u16);
9291 if (rdev->wiphy.max_num_csa_counters &&
9292 (params.n_counter_offsets_beacon >
9293 rdev->wiphy.max_num_csa_counters)) {
9298 params.counter_offsets_beacon =
9299 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9301 /* sanity checks - counters should fit and be the same */
9302 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
9303 u16 offset = params.counter_offsets_beacon[i];
9305 if (offset >= params.beacon_csa.tail_len) {
9310 if (params.beacon_csa.tail[offset] != params.count) {
9316 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
9317 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9318 if (!len || (len % sizeof(u16))) {
9323 params.n_counter_offsets_presp = len / sizeof(u16);
9324 if (rdev->wiphy.max_num_csa_counters &&
9325 (params.n_counter_offsets_presp >
9326 rdev->wiphy.max_num_csa_counters)) {
9331 params.counter_offsets_presp =
9332 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9334 /* sanity checks - counters should fit and be the same */
9335 for (i = 0; i < params.n_counter_offsets_presp; i++) {
9336 u16 offset = params.counter_offsets_presp[i];
9338 if (offset >= params.beacon_csa.probe_resp_len) {
9343 if (params.beacon_csa.probe_resp[offset] !=
9352 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
9356 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
9362 err = cfg80211_chandef_dfs_required(wdev->wiphy,
9369 params.radar_required = true;
9370 if (need_handle_dfs_flag &&
9371 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
9377 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
9378 params.block_tx = true;
9381 err = rdev_channel_switch(rdev, dev, ¶ms);
9389 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
9391 struct cfg80211_registered_device *rdev,
9392 struct wireless_dev *wdev,
9393 struct cfg80211_internal_bss *intbss)
9395 struct cfg80211_bss *res = &intbss->pub;
9396 const struct cfg80211_bss_ies *ies;
9400 ASSERT_WDEV_LOCK(wdev);
9402 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
9403 NL80211_CMD_NEW_SCAN_RESULTS);
9407 genl_dump_check_consistent(cb, hdr);
9409 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
9410 goto nla_put_failure;
9412 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
9413 goto nla_put_failure;
9414 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
9416 goto nla_put_failure;
9418 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
9420 goto nla_put_failure;
9421 if ((!is_zero_ether_addr(res->bssid) &&
9422 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9423 goto nla_put_failure;
9426 /* indicate whether we have probe response data or not */
9427 if (rcu_access_pointer(res->proberesp_ies) &&
9428 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
9429 goto fail_unlock_rcu;
9431 /* this pointer prefers to be pointed to probe response data
9432 * but is always valid
9434 ies = rcu_dereference(res->ies);
9436 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
9438 goto fail_unlock_rcu;
9439 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
9440 ies->len, ies->data))
9441 goto fail_unlock_rcu;
9444 /* and this pointer is always (unless driver didn't know) beacon data */
9445 ies = rcu_dereference(res->beacon_ies);
9446 if (ies && ies->from_beacon) {
9447 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
9449 goto fail_unlock_rcu;
9450 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
9451 ies->len, ies->data))
9452 goto fail_unlock_rcu;
9456 if (res->beacon_interval &&
9457 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
9458 goto nla_put_failure;
9459 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
9460 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
9461 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
9462 res->channel->freq_offset) ||
9463 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9464 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
9465 jiffies_to_msecs(jiffies - intbss->ts)))
9466 goto nla_put_failure;
9468 if (intbss->parent_tsf &&
9469 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
9470 intbss->parent_tsf, NL80211_BSS_PAD) ||
9471 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
9472 intbss->parent_bssid)))
9473 goto nla_put_failure;
9475 if (intbss->ts_boottime &&
9476 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
9477 intbss->ts_boottime, NL80211_BSS_PAD))
9478 goto nla_put_failure;
9480 if (!nl80211_put_signal(msg, intbss->pub.chains,
9481 intbss->pub.chain_signal,
9482 NL80211_BSS_CHAIN_SIGNAL))
9483 goto nla_put_failure;
9485 switch (rdev->wiphy.signal_type) {
9486 case CFG80211_SIGNAL_TYPE_MBM:
9487 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
9488 goto nla_put_failure;
9490 case CFG80211_SIGNAL_TYPE_UNSPEC:
9491 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
9492 goto nla_put_failure;
9498 switch (wdev->iftype) {
9499 case NL80211_IFTYPE_P2P_CLIENT:
9500 case NL80211_IFTYPE_STATION:
9501 if (intbss == wdev->current_bss &&
9502 nla_put_u32(msg, NL80211_BSS_STATUS,
9503 NL80211_BSS_STATUS_ASSOCIATED))
9504 goto nla_put_failure;
9506 case NL80211_IFTYPE_ADHOC:
9507 if (intbss == wdev->current_bss &&
9508 nla_put_u32(msg, NL80211_BSS_STATUS,
9509 NL80211_BSS_STATUS_IBSS_JOINED))
9510 goto nla_put_failure;
9516 nla_nest_end(msg, bss);
9518 genlmsg_end(msg, hdr);
9524 genlmsg_cancel(msg, hdr);
9528 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
9530 struct cfg80211_registered_device *rdev;
9531 struct cfg80211_internal_bss *scan;
9532 struct wireless_dev *wdev;
9533 int start = cb->args[2], idx = 0;
9536 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
9539 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9540 __acquire(&rdev->wiphy.mtx);
9543 spin_lock_bh(&rdev->bss_lock);
9546 * dump_scan will be called multiple times to break up the scan results
9547 * into multiple messages. It is unlikely that any more bss-es will be
9548 * expired after the first call, so only call only call this on the
9549 * first dump_scan invocation.
9552 cfg80211_bss_expire(rdev);
9554 cb->seq = rdev->bss_generation;
9556 list_for_each_entry(scan, &rdev->bss_list, list) {
9559 if (nl80211_send_bss(skb, cb,
9560 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9561 rdev, wdev, scan) < 0) {
9567 spin_unlock_bh(&rdev->bss_lock);
9571 wiphy_unlock(&rdev->wiphy);
9576 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
9577 int flags, struct net_device *dev,
9578 bool allow_radio_stats,
9579 struct survey_info *survey)
9582 struct nlattr *infoattr;
9584 /* skip radio stats if userspace didn't request them */
9585 if (!survey->channel && !allow_radio_stats)
9588 hdr = nl80211hdr_put(msg, portid, seq, flags,
9589 NL80211_CMD_NEW_SURVEY_RESULTS);
9593 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9594 goto nla_put_failure;
9596 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
9598 goto nla_put_failure;
9600 if (survey->channel &&
9601 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9602 survey->channel->center_freq))
9603 goto nla_put_failure;
9605 if (survey->channel && survey->channel->freq_offset &&
9606 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
9607 survey->channel->freq_offset))
9608 goto nla_put_failure;
9610 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
9611 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
9612 goto nla_put_failure;
9613 if ((survey->filled & SURVEY_INFO_IN_USE) &&
9614 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
9615 goto nla_put_failure;
9616 if ((survey->filled & SURVEY_INFO_TIME) &&
9617 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
9618 survey->time, NL80211_SURVEY_INFO_PAD))
9619 goto nla_put_failure;
9620 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
9621 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
9622 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9623 goto nla_put_failure;
9624 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
9625 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
9626 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9627 goto nla_put_failure;
9628 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
9629 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
9630 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9631 goto nla_put_failure;
9632 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
9633 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
9634 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9635 goto nla_put_failure;
9636 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
9637 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
9638 survey->time_scan, NL80211_SURVEY_INFO_PAD))
9639 goto nla_put_failure;
9640 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
9641 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
9642 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
9643 goto nla_put_failure;
9645 nla_nest_end(msg, infoattr);
9647 genlmsg_end(msg, hdr);
9651 genlmsg_cancel(msg, hdr);
9655 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
9657 struct nlattr **attrbuf;
9658 struct survey_info survey;
9659 struct cfg80211_registered_device *rdev;
9660 struct wireless_dev *wdev;
9661 int survey_idx = cb->args[2];
9665 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
9669 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
9674 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9675 __acquire(&rdev->wiphy.mtx);
9677 /* prepare_wdev_dump parsed the attributes */
9678 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
9680 if (!wdev->netdev) {
9685 if (!rdev->ops->dump_survey) {
9691 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
9697 /* don't send disabled channels, but do send non-channel data */
9698 if (survey.channel &&
9699 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
9704 if (nl80211_send_survey(skb,
9705 NETLINK_CB(cb->skb).portid,
9706 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9707 wdev->netdev, radio_stats, &survey) < 0)
9713 cb->args[2] = survey_idx;
9717 wiphy_unlock(&rdev->wiphy);
9721 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
9723 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
9724 NL80211_WPA_VERSION_2 |
9725 NL80211_WPA_VERSION_3));
9728 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
9730 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9731 struct net_device *dev = info->user_ptr[1];
9732 struct ieee80211_channel *chan;
9733 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
9734 int err, ssid_len, ie_len = 0, auth_data_len = 0;
9735 enum nl80211_auth_type auth_type;
9736 struct key_parse key;
9737 bool local_state_change;
9740 if (!info->attrs[NL80211_ATTR_MAC])
9743 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
9746 if (!info->attrs[NL80211_ATTR_SSID])
9749 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9752 err = nl80211_parse_key(info, &key);
9757 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
9759 if (!key.p.key || !key.p.key_len)
9761 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
9762 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
9763 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
9764 key.p.key_len != WLAN_KEY_LEN_WEP104))
9777 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
9778 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
9787 if (!rdev->ops->auth)
9790 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9791 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9794 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9795 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9796 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9798 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9800 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
9804 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9805 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9807 if (info->attrs[NL80211_ATTR_IE]) {
9808 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9809 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9812 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9813 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
9816 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9817 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9818 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9819 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
9820 !info->attrs[NL80211_ATTR_AUTH_DATA])
9823 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
9824 if (auth_type != NL80211_AUTHTYPE_SAE &&
9825 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9826 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9827 auth_type != NL80211_AUTHTYPE_FILS_PK)
9829 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9830 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
9833 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9836 * Since we no longer track auth state, ignore
9837 * requests to only change local state.
9839 if (local_state_change)
9842 wdev_lock(dev->ieee80211_ptr);
9843 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9844 ssid, ssid_len, ie, ie_len,
9845 key.p.key, key.p.key_len, key.idx,
9846 auth_data, auth_data_len);
9847 wdev_unlock(dev->ieee80211_ptr);
9851 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9852 struct genl_info *info)
9854 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9855 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9859 if (!rdev->ops->tx_control_port ||
9860 !wiphy_ext_feature_isset(&rdev->wiphy,
9861 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9867 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9868 struct genl_info *info,
9869 struct cfg80211_crypto_settings *settings,
9872 memset(settings, 0, sizeof(*settings));
9874 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9876 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9879 proto = nla_get_u16(
9880 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9881 settings->control_port_ethertype = cpu_to_be16(proto);
9882 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9885 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9886 settings->control_port_no_encrypt = true;
9888 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9890 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9891 int r = validate_pae_over_nl80211(rdev, info);
9896 settings->control_port_over_nl80211 = true;
9898 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
9899 settings->control_port_no_preauth = true;
9902 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9906 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9907 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9908 settings->n_ciphers_pairwise = len / sizeof(u32);
9910 if (len % sizeof(u32))
9913 if (settings->n_ciphers_pairwise > cipher_limit)
9916 memcpy(settings->ciphers_pairwise, data, len);
9918 for (i = 0; i < settings->n_ciphers_pairwise; i++)
9919 if (!cfg80211_supported_cipher_suite(
9921 settings->ciphers_pairwise[i]))
9925 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9926 settings->cipher_group =
9927 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
9928 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9929 settings->cipher_group))
9933 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9934 settings->wpa_versions =
9935 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9936 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9940 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9944 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9945 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9946 settings->n_akm_suites = len / sizeof(u32);
9948 if (len % sizeof(u32))
9951 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9954 memcpy(settings->akm_suites, data, len);
9957 if (info->attrs[NL80211_ATTR_PMK]) {
9958 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9960 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9961 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
9962 !wiphy_ext_feature_isset(&rdev->wiphy,
9963 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
9965 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9968 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9969 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9970 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
9971 !wiphy_ext_feature_isset(&rdev->wiphy,
9972 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
9975 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9976 settings->sae_pwd_len =
9977 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9980 if (info->attrs[NL80211_ATTR_SAE_PWE])
9982 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
9984 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
9989 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9991 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9992 struct net_device *dev = info->user_ptr[1];
9993 struct ieee80211_channel *chan;
9994 struct cfg80211_assoc_request req = {};
9995 const u8 *bssid, *ssid;
9996 int err, ssid_len = 0;
9999 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10000 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10003 if (!info->attrs[NL80211_ATTR_MAC] ||
10004 !info->attrs[NL80211_ATTR_SSID] ||
10005 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
10008 if (!rdev->ops->assoc)
10009 return -EOPNOTSUPP;
10011 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10012 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10013 return -EOPNOTSUPP;
10015 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10017 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10018 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10020 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10021 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10025 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10026 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10028 if (info->attrs[NL80211_ATTR_IE]) {
10029 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10030 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10033 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10034 enum nl80211_mfp mfp =
10035 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10036 if (mfp == NL80211_MFP_REQUIRED)
10037 req.use_mfp = true;
10038 else if (mfp != NL80211_MFP_NO)
10042 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10043 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10045 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10046 req.flags |= ASSOC_REQ_DISABLE_HT;
10048 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10049 memcpy(&req.ht_capa_mask,
10050 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10051 sizeof(req.ht_capa_mask));
10053 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10054 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10056 memcpy(&req.ht_capa,
10057 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10058 sizeof(req.ht_capa));
10061 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10062 req.flags |= ASSOC_REQ_DISABLE_VHT;
10064 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10065 req.flags |= ASSOC_REQ_DISABLE_HE;
10067 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10068 memcpy(&req.vht_capa_mask,
10069 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10070 sizeof(req.vht_capa_mask));
10072 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10073 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10075 memcpy(&req.vht_capa,
10076 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10077 sizeof(req.vht_capa));
10080 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10081 if (!((rdev->wiphy.features &
10082 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10083 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10084 !wiphy_ext_feature_isset(&rdev->wiphy,
10085 NL80211_EXT_FEATURE_RRM))
10087 req.flags |= ASSOC_REQ_USE_RRM;
10090 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
10091 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
10092 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
10093 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
10096 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
10099 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
10100 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
10102 memcpy(&req.s1g_capa_mask,
10103 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
10104 sizeof(req.s1g_capa_mask));
10107 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
10108 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
10110 memcpy(&req.s1g_capa,
10111 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
10112 sizeof(req.s1g_capa));
10115 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
10117 wdev_lock(dev->ieee80211_ptr);
10119 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
10120 ssid, ssid_len, &req);
10122 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10123 dev->ieee80211_ptr->conn_owner_nlportid =
10125 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10129 wdev_unlock(dev->ieee80211_ptr);
10135 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
10137 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10138 struct net_device *dev = info->user_ptr[1];
10139 const u8 *ie = NULL, *bssid;
10140 int ie_len = 0, err;
10142 bool local_state_change;
10144 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10145 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10148 if (!info->attrs[NL80211_ATTR_MAC])
10151 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10154 if (!rdev->ops->deauth)
10155 return -EOPNOTSUPP;
10157 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10158 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10159 return -EOPNOTSUPP;
10161 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10163 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10164 if (reason_code == 0) {
10165 /* Reason Code 0 is reserved */
10169 if (info->attrs[NL80211_ATTR_IE]) {
10170 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10171 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10174 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10176 wdev_lock(dev->ieee80211_ptr);
10177 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
10178 local_state_change);
10179 wdev_unlock(dev->ieee80211_ptr);
10183 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
10185 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10186 struct net_device *dev = info->user_ptr[1];
10187 const u8 *ie = NULL, *bssid;
10188 int ie_len = 0, err;
10190 bool local_state_change;
10192 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10193 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10196 if (!info->attrs[NL80211_ATTR_MAC])
10199 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10202 if (!rdev->ops->disassoc)
10203 return -EOPNOTSUPP;
10205 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10206 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10207 return -EOPNOTSUPP;
10209 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10211 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10212 if (reason_code == 0) {
10213 /* Reason Code 0 is reserved */
10217 if (info->attrs[NL80211_ATTR_IE]) {
10218 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10219 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10222 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10224 wdev_lock(dev->ieee80211_ptr);
10225 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
10226 local_state_change);
10227 wdev_unlock(dev->ieee80211_ptr);
10232 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
10233 int mcast_rate[NUM_NL80211_BANDS],
10236 struct wiphy *wiphy = &rdev->wiphy;
10237 bool found = false;
10240 for (band = 0; band < NUM_NL80211_BANDS; band++) {
10241 struct ieee80211_supported_band *sband;
10243 sband = wiphy->bands[band];
10247 for (i = 0; i < sband->n_bitrates; i++) {
10248 if (sband->bitrates[i].bitrate == rateval) {
10249 mcast_rate[band] = i + 1;
10259 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
10261 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10262 struct net_device *dev = info->user_ptr[1];
10263 struct cfg80211_ibss_params ibss;
10264 struct wiphy *wiphy;
10265 struct cfg80211_cached_keys *connkeys = NULL;
10268 memset(&ibss, 0, sizeof(ibss));
10270 if (!info->attrs[NL80211_ATTR_SSID] ||
10271 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10274 ibss.beacon_interval = 100;
10276 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
10277 ibss.beacon_interval =
10278 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10280 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
10281 ibss.beacon_interval);
10285 if (!rdev->ops->join_ibss)
10286 return -EOPNOTSUPP;
10288 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10289 return -EOPNOTSUPP;
10291 wiphy = &rdev->wiphy;
10293 if (info->attrs[NL80211_ATTR_MAC]) {
10294 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10296 if (!is_valid_ether_addr(ibss.bssid))
10299 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10300 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10302 if (info->attrs[NL80211_ATTR_IE]) {
10303 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10304 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10307 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
10311 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
10312 NL80211_IFTYPE_ADHOC))
10315 switch (ibss.chandef.width) {
10316 case NL80211_CHAN_WIDTH_5:
10317 case NL80211_CHAN_WIDTH_10:
10318 case NL80211_CHAN_WIDTH_20_NOHT:
10320 case NL80211_CHAN_WIDTH_20:
10321 case NL80211_CHAN_WIDTH_40:
10322 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10325 case NL80211_CHAN_WIDTH_80:
10326 case NL80211_CHAN_WIDTH_80P80:
10327 case NL80211_CHAN_WIDTH_160:
10328 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10330 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10331 NL80211_EXT_FEATURE_VHT_IBSS))
10338 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
10339 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
10341 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10343 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10345 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10346 struct ieee80211_supported_band *sband =
10347 wiphy->bands[ibss.chandef.chan->band];
10349 err = ieee80211_get_ratemask(sband, rates, n_rates,
10350 &ibss.basic_rates);
10355 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10356 memcpy(&ibss.ht_capa_mask,
10357 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10358 sizeof(ibss.ht_capa_mask));
10360 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10361 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10363 memcpy(&ibss.ht_capa,
10364 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10365 sizeof(ibss.ht_capa));
10368 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10369 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
10370 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10373 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10374 bool no_ht = false;
10376 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
10377 if (IS_ERR(connkeys))
10378 return PTR_ERR(connkeys);
10380 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
10382 kfree_sensitive(connkeys);
10387 ibss.control_port =
10388 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
10390 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10391 int r = validate_pae_over_nl80211(rdev, info);
10394 kfree_sensitive(connkeys);
10398 ibss.control_port_over_nl80211 = true;
10401 ibss.userspace_handles_dfs =
10402 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10404 wdev_lock(dev->ieee80211_ptr);
10405 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
10407 kfree_sensitive(connkeys);
10408 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
10409 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10410 wdev_unlock(dev->ieee80211_ptr);
10415 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
10417 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10418 struct net_device *dev = info->user_ptr[1];
10420 if (!rdev->ops->leave_ibss)
10421 return -EOPNOTSUPP;
10423 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10424 return -EOPNOTSUPP;
10426 return cfg80211_leave_ibss(rdev, dev, false);
10429 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
10431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10432 struct net_device *dev = info->user_ptr[1];
10433 int mcast_rate[NUM_NL80211_BANDS];
10437 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
10438 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
10439 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
10440 return -EOPNOTSUPP;
10442 if (!rdev->ops->set_mcast_rate)
10443 return -EOPNOTSUPP;
10445 memset(mcast_rate, 0, sizeof(mcast_rate));
10447 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
10450 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
10451 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
10454 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
10459 static struct sk_buff *
10460 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
10461 struct wireless_dev *wdev, int approxlen,
10462 u32 portid, u32 seq, enum nl80211_commands cmd,
10463 enum nl80211_attrs attr,
10464 const struct nl80211_vendor_cmd_info *info,
10467 struct sk_buff *skb;
10469 struct nlattr *data;
10471 skb = nlmsg_new(approxlen + 100, gfp);
10475 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
10481 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10482 goto nla_put_failure;
10485 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
10487 goto nla_put_failure;
10488 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
10490 goto nla_put_failure;
10494 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
10495 wdev_id(wdev), NL80211_ATTR_PAD))
10496 goto nla_put_failure;
10497 if (wdev->netdev &&
10498 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
10499 wdev->netdev->ifindex))
10500 goto nla_put_failure;
10503 data = nla_nest_start_noflag(skb, attr);
10505 goto nla_put_failure;
10507 ((void **)skb->cb)[0] = rdev;
10508 ((void **)skb->cb)[1] = hdr;
10509 ((void **)skb->cb)[2] = data;
10518 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
10519 struct wireless_dev *wdev,
10520 enum nl80211_commands cmd,
10521 enum nl80211_attrs attr,
10522 unsigned int portid,
10523 int vendor_event_idx,
10524 int approxlen, gfp_t gfp)
10526 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
10527 const struct nl80211_vendor_cmd_info *info;
10530 case NL80211_CMD_TESTMODE:
10531 if (WARN_ON(vendor_event_idx != -1))
10535 case NL80211_CMD_VENDOR:
10536 if (WARN_ON(vendor_event_idx < 0 ||
10537 vendor_event_idx >= wiphy->n_vendor_events))
10539 info = &wiphy->vendor_events[vendor_event_idx];
10546 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
10547 cmd, attr, info, gfp);
10549 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
10551 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
10553 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
10554 void *hdr = ((void **)skb->cb)[1];
10555 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
10556 struct nlattr *data = ((void **)skb->cb)[2];
10557 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
10559 /* clear CB data for netlink core to own from now on */
10560 memset(skb->cb, 0, sizeof(skb->cb));
10562 nla_nest_end(skb, data);
10563 genlmsg_end(skb, hdr);
10565 if (nlhdr->nlmsg_pid) {
10566 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
10569 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
10570 mcgrp = NL80211_MCGRP_VENDOR;
10572 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
10573 skb, 0, mcgrp, gfp);
10576 EXPORT_SYMBOL(__cfg80211_send_event_skb);
10578 #ifdef CONFIG_NL80211_TESTMODE
10579 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
10581 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10582 struct wireless_dev *wdev;
10585 lockdep_assert_held(&rdev->wiphy.mtx);
10587 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
10590 if (!rdev->ops->testmode_cmd)
10591 return -EOPNOTSUPP;
10593 if (IS_ERR(wdev)) {
10594 err = PTR_ERR(wdev);
10595 if (err != -EINVAL)
10598 } else if (wdev->wiphy != &rdev->wiphy) {
10602 if (!info->attrs[NL80211_ATTR_TESTDATA])
10605 rdev->cur_cmd_info = info;
10606 err = rdev_testmode_cmd(rdev, wdev,
10607 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
10608 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
10609 rdev->cur_cmd_info = NULL;
10614 static int nl80211_testmode_dump(struct sk_buff *skb,
10615 struct netlink_callback *cb)
10617 struct cfg80211_registered_device *rdev;
10618 struct nlattr **attrbuf = NULL;
10628 * 0 is a valid index, but not valid for args[0],
10629 * so we need to offset by 1.
10631 phy_idx = cb->args[0] - 1;
10633 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
10639 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
10646 err = nlmsg_parse_deprecated(cb->nlh,
10647 GENL_HDRLEN + nl80211_fam.hdrsize,
10648 attrbuf, nl80211_fam.maxattr,
10649 nl80211_policy, NULL);
10653 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
10654 if (IS_ERR(rdev)) {
10655 err = PTR_ERR(rdev);
10658 phy_idx = rdev->wiphy_idx;
10660 if (attrbuf[NL80211_ATTR_TESTDATA])
10661 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
10665 data = nla_data((void *)cb->args[1]);
10666 data_len = nla_len((void *)cb->args[1]);
10669 if (!rdev->ops->testmode_dump) {
10675 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
10676 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10677 NL80211_CMD_TESTMODE);
10678 struct nlattr *tmdata;
10683 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
10684 genlmsg_cancel(skb, hdr);
10688 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
10690 genlmsg_cancel(skb, hdr);
10693 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
10694 nla_nest_end(skb, tmdata);
10696 if (err == -ENOBUFS || err == -ENOENT) {
10697 genlmsg_cancel(skb, hdr);
10700 genlmsg_cancel(skb, hdr);
10704 genlmsg_end(skb, hdr);
10709 cb->args[0] = phy_idx + 1;
10717 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
10719 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10720 struct net_device *dev = info->user_ptr[1];
10721 struct cfg80211_connect_params connect;
10722 struct wiphy *wiphy;
10723 struct cfg80211_cached_keys *connkeys = NULL;
10727 memset(&connect, 0, sizeof(connect));
10729 if (!info->attrs[NL80211_ATTR_SSID] ||
10730 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10733 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10734 connect.auth_type =
10735 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10736 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
10737 NL80211_CMD_CONNECT))
10740 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
10742 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
10744 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
10745 !wiphy_ext_feature_isset(&rdev->wiphy,
10746 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
10748 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
10750 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
10751 NL80211_MAX_NR_CIPHER_SUITES);
10755 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10756 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10757 return -EOPNOTSUPP;
10759 wiphy = &rdev->wiphy;
10761 connect.bg_scan_period = -1;
10762 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
10763 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
10764 connect.bg_scan_period =
10765 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
10768 if (info->attrs[NL80211_ATTR_MAC])
10769 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10770 else if (info->attrs[NL80211_ATTR_MAC_HINT])
10771 connect.bssid_hint =
10772 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
10773 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10774 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10776 if (info->attrs[NL80211_ATTR_IE]) {
10777 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10778 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10781 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10782 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10783 if (connect.mfp == NL80211_MFP_OPTIONAL &&
10784 !wiphy_ext_feature_isset(&rdev->wiphy,
10785 NL80211_EXT_FEATURE_MFP_OPTIONAL))
10786 return -EOPNOTSUPP;
10788 connect.mfp = NL80211_MFP_NO;
10791 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10792 connect.prev_bssid =
10793 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10795 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
10796 freq = MHZ_TO_KHZ(nla_get_u32(
10797 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10798 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10800 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10803 connect.channel = nl80211_get_valid_chan(wiphy, freq);
10804 if (!connect.channel)
10806 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
10807 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
10808 freq = MHZ_TO_KHZ(freq);
10809 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
10810 if (!connect.channel_hint)
10814 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
10815 connect.edmg.channels =
10816 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
10818 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
10819 connect.edmg.bw_config =
10820 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
10823 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10824 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
10825 if (IS_ERR(connkeys))
10826 return PTR_ERR(connkeys);
10829 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10830 connect.flags |= ASSOC_REQ_DISABLE_HT;
10832 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10833 memcpy(&connect.ht_capa_mask,
10834 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10835 sizeof(connect.ht_capa_mask));
10837 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10838 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
10839 kfree_sensitive(connkeys);
10842 memcpy(&connect.ht_capa,
10843 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10844 sizeof(connect.ht_capa));
10847 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10848 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10850 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10851 connect.flags |= ASSOC_REQ_DISABLE_HE;
10853 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10854 memcpy(&connect.vht_capa_mask,
10855 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10856 sizeof(connect.vht_capa_mask));
10858 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10859 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
10860 kfree_sensitive(connkeys);
10863 memcpy(&connect.vht_capa,
10864 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10865 sizeof(connect.vht_capa));
10868 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10869 if (!((rdev->wiphy.features &
10870 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10871 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10872 !wiphy_ext_feature_isset(&rdev->wiphy,
10873 NL80211_EXT_FEATURE_RRM)) {
10874 kfree_sensitive(connkeys);
10877 connect.flags |= ASSOC_REQ_USE_RRM;
10880 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
10881 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
10882 kfree_sensitive(connkeys);
10883 return -EOPNOTSUPP;
10886 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10887 /* bss selection makes no sense if bssid is set */
10888 if (connect.bssid) {
10889 kfree_sensitive(connkeys);
10893 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10894 wiphy, &connect.bss_select);
10896 kfree_sensitive(connkeys);
10901 if (wiphy_ext_feature_isset(&rdev->wiphy,
10902 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10903 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10904 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10905 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10906 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10907 connect.fils_erp_username =
10908 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10909 connect.fils_erp_username_len =
10910 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10911 connect.fils_erp_realm =
10912 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10913 connect.fils_erp_realm_len =
10914 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10915 connect.fils_erp_next_seq_num =
10917 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10918 connect.fils_erp_rrk =
10919 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10920 connect.fils_erp_rrk_len =
10921 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10922 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10923 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10924 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10925 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10926 kfree_sensitive(connkeys);
10930 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10931 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10932 kfree_sensitive(connkeys);
10933 GENL_SET_ERR_MSG(info,
10934 "external auth requires connection ownership");
10937 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10940 wdev_lock(dev->ieee80211_ptr);
10942 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10943 connect.prev_bssid);
10945 kfree_sensitive(connkeys);
10947 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10948 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10950 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10951 connect.bssid, ETH_ALEN);
10953 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
10956 wdev_unlock(dev->ieee80211_ptr);
10961 static int nl80211_update_connect_params(struct sk_buff *skb,
10962 struct genl_info *info)
10964 struct cfg80211_connect_params connect = {};
10965 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10966 struct net_device *dev = info->user_ptr[1];
10967 struct wireless_dev *wdev = dev->ieee80211_ptr;
10968 bool fils_sk_offload;
10973 if (!rdev->ops->update_connect_params)
10974 return -EOPNOTSUPP;
10976 if (info->attrs[NL80211_ATTR_IE]) {
10977 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10978 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10979 changed |= UPDATE_ASSOC_IES;
10982 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10983 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10986 * when driver supports fils-sk offload all attributes must be
10987 * provided. So the else covers "fils-sk-not-all" and
10988 * "no-fils-sk-any".
10990 if (fils_sk_offload &&
10991 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10992 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10993 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10994 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10995 connect.fils_erp_username =
10996 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10997 connect.fils_erp_username_len =
10998 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10999 connect.fils_erp_realm =
11000 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11001 connect.fils_erp_realm_len =
11002 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
11003 connect.fils_erp_next_seq_num =
11005 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
11006 connect.fils_erp_rrk =
11007 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11008 connect.fils_erp_rrk_len =
11009 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
11010 changed |= UPDATE_FILS_ERP_INFO;
11011 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
11012 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
11013 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
11014 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
11018 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
11019 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
11020 if (!nl80211_valid_auth_type(rdev, auth_type,
11021 NL80211_CMD_CONNECT))
11024 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
11025 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
11028 connect.auth_type = auth_type;
11029 changed |= UPDATE_AUTH_TYPE;
11032 wdev_lock(dev->ieee80211_ptr);
11033 if (!wdev->current_bss)
11036 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
11037 wdev_unlock(dev->ieee80211_ptr);
11042 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
11044 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11045 struct net_device *dev = info->user_ptr[1];
11049 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11050 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11053 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11054 reason = WLAN_REASON_DEAUTH_LEAVING;
11056 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11061 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11062 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11063 return -EOPNOTSUPP;
11065 wdev_lock(dev->ieee80211_ptr);
11066 ret = cfg80211_disconnect(rdev, dev, reason, true);
11067 wdev_unlock(dev->ieee80211_ptr);
11071 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
11073 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11077 if (info->attrs[NL80211_ATTR_PID]) {
11078 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
11080 net = get_net_ns_by_pid(pid);
11081 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
11082 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
11084 net = get_net_ns_by_fd(fd);
11090 return PTR_ERR(net);
11094 /* check if anything to do */
11095 if (!net_eq(wiphy_net(&rdev->wiphy), net))
11096 err = cfg80211_switch_netns(rdev, net);
11102 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
11104 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11105 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
11106 struct cfg80211_pmksa *pmksa) = NULL;
11107 struct net_device *dev = info->user_ptr[1];
11108 struct cfg80211_pmksa pmksa;
11110 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
11112 if (!info->attrs[NL80211_ATTR_PMKID])
11115 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
11117 if (info->attrs[NL80211_ATTR_MAC]) {
11118 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11119 } else if (info->attrs[NL80211_ATTR_SSID] &&
11120 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
11121 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
11122 info->attrs[NL80211_ATTR_PMK])) {
11123 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11124 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11126 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
11130 if (info->attrs[NL80211_ATTR_PMK]) {
11131 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
11132 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
11135 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
11136 pmksa.pmk_lifetime =
11137 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
11139 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
11140 pmksa.pmk_reauth_threshold =
11142 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
11144 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11145 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
11146 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
11147 wiphy_ext_feature_isset(&rdev->wiphy,
11148 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
11149 return -EOPNOTSUPP;
11151 switch (info->genlhdr->cmd) {
11152 case NL80211_CMD_SET_PMKSA:
11153 rdev_ops = rdev->ops->set_pmksa;
11155 case NL80211_CMD_DEL_PMKSA:
11156 rdev_ops = rdev->ops->del_pmksa;
11164 return -EOPNOTSUPP;
11166 return rdev_ops(&rdev->wiphy, dev, &pmksa);
11169 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
11171 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11172 struct net_device *dev = info->user_ptr[1];
11174 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11175 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11176 return -EOPNOTSUPP;
11178 if (!rdev->ops->flush_pmksa)
11179 return -EOPNOTSUPP;
11181 return rdev_flush_pmksa(rdev, dev);
11184 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
11186 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11187 struct net_device *dev = info->user_ptr[1];
11188 u8 action_code, dialog_token;
11189 u32 peer_capability = 0;
11194 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11195 !rdev->ops->tdls_mgmt)
11196 return -EOPNOTSUPP;
11198 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
11199 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
11200 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
11201 !info->attrs[NL80211_ATTR_IE] ||
11202 !info->attrs[NL80211_ATTR_MAC])
11205 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11206 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
11207 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
11208 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
11209 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
11210 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
11212 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
11214 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
11215 dialog_token, status_code, peer_capability,
11217 nla_data(info->attrs[NL80211_ATTR_IE]),
11218 nla_len(info->attrs[NL80211_ATTR_IE]));
11221 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
11223 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11224 struct net_device *dev = info->user_ptr[1];
11225 enum nl80211_tdls_operation operation;
11228 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11229 !rdev->ops->tdls_oper)
11230 return -EOPNOTSUPP;
11232 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
11233 !info->attrs[NL80211_ATTR_MAC])
11236 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
11237 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11239 return rdev_tdls_oper(rdev, dev, peer, operation);
11242 static int nl80211_remain_on_channel(struct sk_buff *skb,
11243 struct genl_info *info)
11245 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11246 struct wireless_dev *wdev = info->user_ptr[1];
11247 struct cfg80211_chan_def chandef;
11248 const struct cfg80211_chan_def *compat_chandef;
11249 struct sk_buff *msg;
11255 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11256 !info->attrs[NL80211_ATTR_DURATION])
11259 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11261 if (!rdev->ops->remain_on_channel ||
11262 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
11263 return -EOPNOTSUPP;
11266 * We should be on that channel for at least a minimum amount of
11267 * time (10ms) but no longer than the driver supports.
11269 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11270 duration > rdev->wiphy.max_remain_on_channel_duration)
11273 err = nl80211_parse_chandef(rdev, info, &chandef);
11278 if (!cfg80211_off_channel_oper_allowed(wdev) &&
11279 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
11280 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
11282 if (compat_chandef != &chandef) {
11289 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11293 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11294 NL80211_CMD_REMAIN_ON_CHANNEL);
11300 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
11301 duration, &cookie);
11306 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11308 goto nla_put_failure;
11310 genlmsg_end(msg, hdr);
11312 return genlmsg_reply(msg, info);
11321 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
11322 struct genl_info *info)
11324 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11325 struct wireless_dev *wdev = info->user_ptr[1];
11328 if (!info->attrs[NL80211_ATTR_COOKIE])
11331 if (!rdev->ops->cancel_remain_on_channel)
11332 return -EOPNOTSUPP;
11334 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11336 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
11339 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
11340 struct genl_info *info)
11342 struct cfg80211_bitrate_mask mask;
11343 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11344 struct net_device *dev = info->user_ptr[1];
11345 struct wireless_dev *wdev = dev->ieee80211_ptr;
11348 if (!rdev->ops->set_bitrate_mask)
11349 return -EOPNOTSUPP;
11352 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11353 NL80211_ATTR_TX_RATES, &mask,
11358 err = rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
11364 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
11366 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11367 struct wireless_dev *wdev = info->user_ptr[1];
11368 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
11370 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
11373 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
11374 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
11376 switch (wdev->iftype) {
11377 case NL80211_IFTYPE_STATION:
11378 case NL80211_IFTYPE_ADHOC:
11379 case NL80211_IFTYPE_P2P_CLIENT:
11380 case NL80211_IFTYPE_AP:
11381 case NL80211_IFTYPE_AP_VLAN:
11382 case NL80211_IFTYPE_MESH_POINT:
11383 case NL80211_IFTYPE_P2P_GO:
11384 case NL80211_IFTYPE_P2P_DEVICE:
11386 case NL80211_IFTYPE_NAN:
11388 return -EOPNOTSUPP;
11391 /* not much point in registering if we can't reply */
11392 if (!rdev->ops->mgmt_tx)
11393 return -EOPNOTSUPP;
11395 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
11396 !wiphy_ext_feature_isset(&rdev->wiphy,
11397 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
11398 GENL_SET_ERR_MSG(info,
11399 "multicast RX registrations are not supported");
11400 return -EOPNOTSUPP;
11403 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
11404 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11405 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11406 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
11410 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
11412 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11413 struct wireless_dev *wdev = info->user_ptr[1];
11414 struct cfg80211_chan_def chandef;
11418 struct sk_buff *msg = NULL;
11419 struct cfg80211_mgmt_tx_params params = {
11420 .dont_wait_for_ack =
11421 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
11424 if (!info->attrs[NL80211_ATTR_FRAME])
11427 if (!rdev->ops->mgmt_tx)
11428 return -EOPNOTSUPP;
11430 switch (wdev->iftype) {
11431 case NL80211_IFTYPE_P2P_DEVICE:
11432 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
11435 case NL80211_IFTYPE_STATION:
11436 case NL80211_IFTYPE_ADHOC:
11437 case NL80211_IFTYPE_P2P_CLIENT:
11438 case NL80211_IFTYPE_AP:
11439 case NL80211_IFTYPE_AP_VLAN:
11440 case NL80211_IFTYPE_MESH_POINT:
11441 case NL80211_IFTYPE_P2P_GO:
11443 case NL80211_IFTYPE_NAN:
11445 return -EOPNOTSUPP;
11448 if (info->attrs[NL80211_ATTR_DURATION]) {
11449 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11451 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11454 * We should wait on the channel for at least a minimum amount
11455 * of time (10ms) but no longer than the driver supports.
11457 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11458 params.wait > rdev->wiphy.max_remain_on_channel_duration)
11462 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
11464 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11467 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
11469 /* get the channel if any has been specified, otherwise pass NULL to
11470 * the driver. The latter will use the current one
11472 chandef.chan = NULL;
11473 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11474 err = nl80211_parse_chandef(rdev, info, &chandef);
11479 if (!chandef.chan && params.offchan)
11483 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
11489 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
11490 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
11492 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
11493 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11496 if (len % sizeof(u16))
11499 params.n_csa_offsets = len / sizeof(u16);
11500 params.csa_offsets =
11501 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11503 /* check that all the offsets fit the frame */
11504 for (i = 0; i < params.n_csa_offsets; i++) {
11505 if (params.csa_offsets[i] >= params.len)
11510 if (!params.dont_wait_for_ack) {
11511 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11515 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11516 NL80211_CMD_FRAME);
11523 params.chan = chandef.chan;
11524 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
11529 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11531 goto nla_put_failure;
11533 genlmsg_end(msg, hdr);
11534 return genlmsg_reply(msg, info);
11546 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
11548 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11549 struct wireless_dev *wdev = info->user_ptr[1];
11552 if (!info->attrs[NL80211_ATTR_COOKIE])
11555 if (!rdev->ops->mgmt_tx_cancel_wait)
11556 return -EOPNOTSUPP;
11558 switch (wdev->iftype) {
11559 case NL80211_IFTYPE_STATION:
11560 case NL80211_IFTYPE_ADHOC:
11561 case NL80211_IFTYPE_P2P_CLIENT:
11562 case NL80211_IFTYPE_AP:
11563 case NL80211_IFTYPE_AP_VLAN:
11564 case NL80211_IFTYPE_P2P_GO:
11565 case NL80211_IFTYPE_P2P_DEVICE:
11567 case NL80211_IFTYPE_NAN:
11569 return -EOPNOTSUPP;
11572 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11574 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
11577 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
11579 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11580 struct wireless_dev *wdev;
11581 struct net_device *dev = info->user_ptr[1];
11586 if (!info->attrs[NL80211_ATTR_PS_STATE])
11589 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
11591 wdev = dev->ieee80211_ptr;
11593 if (!rdev->ops->set_power_mgmt)
11594 return -EOPNOTSUPP;
11596 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
11598 if (state == wdev->ps)
11601 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
11607 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
11609 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11610 enum nl80211_ps_state ps_state;
11611 struct wireless_dev *wdev;
11612 struct net_device *dev = info->user_ptr[1];
11613 struct sk_buff *msg;
11617 wdev = dev->ieee80211_ptr;
11619 if (!rdev->ops->set_power_mgmt)
11620 return -EOPNOTSUPP;
11622 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11626 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11627 NL80211_CMD_GET_POWER_SAVE);
11634 ps_state = NL80211_PS_ENABLED;
11636 ps_state = NL80211_PS_DISABLED;
11638 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
11639 goto nla_put_failure;
11641 genlmsg_end(msg, hdr);
11642 return genlmsg_reply(msg, info);
11651 static const struct nla_policy
11652 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
11653 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
11654 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
11655 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
11656 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
11657 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
11658 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
11659 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
11662 static int nl80211_set_cqm_txe(struct genl_info *info,
11663 u32 rate, u32 pkts, u32 intvl)
11665 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11666 struct net_device *dev = info->user_ptr[1];
11667 struct wireless_dev *wdev = dev->ieee80211_ptr;
11669 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
11672 if (!rdev->ops->set_cqm_txe_config)
11673 return -EOPNOTSUPP;
11675 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11676 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11677 return -EOPNOTSUPP;
11679 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
11682 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
11683 struct net_device *dev)
11685 struct wireless_dev *wdev = dev->ieee80211_ptr;
11686 s32 last, low, high;
11688 int i, n, low_index;
11691 /* RSSI reporting disabled? */
11692 if (!wdev->cqm_config)
11693 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
11696 * Obtain current RSSI value if possible, if not and no RSSI threshold
11697 * event has been received yet, we should receive an event after a
11698 * connection is established and enough beacons received to calculate
11701 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
11702 rdev->ops->get_station) {
11703 struct station_info sinfo = {};
11706 mac_addr = wdev->current_bss->pub.bssid;
11708 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
11712 cfg80211_sinfo_release_content(&sinfo);
11713 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
11714 wdev->cqm_config->last_rssi_event_value =
11715 (s8) sinfo.rx_beacon_signal_avg;
11718 last = wdev->cqm_config->last_rssi_event_value;
11719 hyst = wdev->cqm_config->rssi_hyst;
11720 n = wdev->cqm_config->n_rssi_thresholds;
11722 for (i = 0; i < n; i++) {
11723 i = array_index_nospec(i, n);
11724 if (last < wdev->cqm_config->rssi_thresholds[i])
11729 if (low_index >= 0) {
11730 low_index = array_index_nospec(low_index, n);
11731 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
11736 i = array_index_nospec(i, n);
11737 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
11742 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
11745 static int nl80211_set_cqm_rssi(struct genl_info *info,
11746 const s32 *thresholds, int n_thresholds,
11749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11750 struct net_device *dev = info->user_ptr[1];
11751 struct wireless_dev *wdev = dev->ieee80211_ptr;
11753 s32 prev = S32_MIN;
11755 /* Check all values negative and sorted */
11756 for (i = 0; i < n_thresholds; i++) {
11757 if (thresholds[i] > 0 || thresholds[i] <= prev)
11760 prev = thresholds[i];
11763 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11764 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11765 return -EOPNOTSUPP;
11768 cfg80211_cqm_config_free(wdev);
11771 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
11772 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
11773 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
11775 return rdev_set_cqm_rssi_config(rdev, dev,
11776 thresholds[0], hysteresis);
11779 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11780 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
11781 return -EOPNOTSUPP;
11783 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
11787 if (n_thresholds) {
11788 struct cfg80211_cqm_config *cqm_config;
11790 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
11791 n_thresholds * sizeof(s32), GFP_KERNEL);
11797 cqm_config->rssi_hyst = hysteresis;
11798 cqm_config->n_rssi_thresholds = n_thresholds;
11799 memcpy(cqm_config->rssi_thresholds, thresholds,
11800 n_thresholds * sizeof(s32));
11802 wdev->cqm_config = cqm_config;
11805 err = cfg80211_cqm_rssi_update(rdev, dev);
11813 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
11815 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
11816 struct nlattr *cqm;
11819 cqm = info->attrs[NL80211_ATTR_CQM];
11823 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
11824 nl80211_attr_cqm_policy,
11829 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
11830 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
11831 const s32 *thresholds =
11832 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11833 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11834 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
11839 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
11843 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
11844 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
11845 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
11846 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
11847 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
11848 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
11850 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
11856 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
11858 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11859 struct net_device *dev = info->user_ptr[1];
11860 struct ocb_setup setup = {};
11863 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11867 return cfg80211_join_ocb(rdev, dev, &setup);
11870 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
11872 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11873 struct net_device *dev = info->user_ptr[1];
11875 return cfg80211_leave_ocb(rdev, dev);
11878 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11880 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11881 struct net_device *dev = info->user_ptr[1];
11882 struct mesh_config cfg;
11883 struct mesh_setup setup;
11886 /* start with default */
11887 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
11888 memcpy(&setup, &default_mesh_setup, sizeof(setup));
11890 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
11891 /* and parse parameters if given */
11892 err = nl80211_parse_mesh_config(info, &cfg, NULL);
11897 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11898 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11901 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11902 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11904 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11905 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11906 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11909 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11910 setup.beacon_interval =
11911 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11913 err = cfg80211_validate_beacon_int(rdev,
11914 NL80211_IFTYPE_MESH_POINT,
11915 setup.beacon_interval);
11920 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11921 setup.dtim_period =
11922 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11923 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11927 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11928 /* parse additional setup parameters if given */
11929 err = nl80211_parse_mesh_setup(info, &setup);
11934 if (setup.user_mpm)
11935 cfg.auto_open_plinks = false;
11937 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11938 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11942 /* __cfg80211_join_mesh() will sort it out */
11943 setup.chandef.chan = NULL;
11946 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11947 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11949 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11950 struct ieee80211_supported_band *sband;
11952 if (!setup.chandef.chan)
11955 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11957 err = ieee80211_get_ratemask(sband, rates, n_rates,
11958 &setup.basic_rates);
11963 if (info->attrs[NL80211_ATTR_TX_RATES]) {
11964 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11965 NL80211_ATTR_TX_RATES,
11966 &setup.beacon_rate,
11971 if (!setup.chandef.chan)
11974 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11975 &setup.beacon_rate);
11980 setup.userspace_handles_dfs =
11981 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11983 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11984 int r = validate_pae_over_nl80211(rdev, info);
11989 setup.control_port_over_nl80211 = true;
11992 wdev_lock(dev->ieee80211_ptr);
11993 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11994 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11995 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11996 wdev_unlock(dev->ieee80211_ptr);
12001 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
12003 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12004 struct net_device *dev = info->user_ptr[1];
12006 return cfg80211_leave_mesh(rdev, dev);
12010 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
12011 struct cfg80211_registered_device *rdev)
12013 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
12014 struct nlattr *nl_pats, *nl_pat;
12017 if (!wowlan->n_patterns)
12020 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
12024 for (i = 0; i < wowlan->n_patterns; i++) {
12025 nl_pat = nla_nest_start_noflag(msg, i + 1);
12028 pat_len = wowlan->patterns[i].pattern_len;
12029 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
12030 wowlan->patterns[i].mask) ||
12031 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12032 wowlan->patterns[i].pattern) ||
12033 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12034 wowlan->patterns[i].pkt_offset))
12036 nla_nest_end(msg, nl_pat);
12038 nla_nest_end(msg, nl_pats);
12043 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
12044 struct cfg80211_wowlan_tcp *tcp)
12046 struct nlattr *nl_tcp;
12051 nl_tcp = nla_nest_start_noflag(msg,
12052 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
12056 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
12057 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
12058 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
12059 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
12060 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
12061 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
12062 tcp->payload_len, tcp->payload) ||
12063 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
12064 tcp->data_interval) ||
12065 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
12066 tcp->wake_len, tcp->wake_data) ||
12067 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
12068 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
12071 if (tcp->payload_seq.len &&
12072 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
12073 sizeof(tcp->payload_seq), &tcp->payload_seq))
12076 if (tcp->payload_tok.len &&
12077 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
12078 sizeof(tcp->payload_tok) + tcp->tokens_size,
12079 &tcp->payload_tok))
12082 nla_nest_end(msg, nl_tcp);
12087 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
12088 struct cfg80211_sched_scan_request *req)
12090 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
12096 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
12100 if (req->n_scan_plans == 1 &&
12101 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
12102 req->scan_plans[0].interval * 1000))
12105 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
12108 if (req->relative_rssi_set) {
12109 struct nl80211_bss_select_rssi_adjust rssi_adjust;
12111 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
12112 req->relative_rssi))
12115 rssi_adjust.band = req->rssi_adjust.band;
12116 rssi_adjust.delta = req->rssi_adjust.delta;
12117 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
12118 sizeof(rssi_adjust), &rssi_adjust))
12122 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
12126 for (i = 0; i < req->n_channels; i++) {
12127 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
12131 nla_nest_end(msg, freqs);
12133 if (req->n_match_sets) {
12134 matches = nla_nest_start_noflag(msg,
12135 NL80211_ATTR_SCHED_SCAN_MATCH);
12139 for (i = 0; i < req->n_match_sets; i++) {
12140 match = nla_nest_start_noflag(msg, i);
12144 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
12145 req->match_sets[i].ssid.ssid_len,
12146 req->match_sets[i].ssid.ssid))
12148 nla_nest_end(msg, match);
12150 nla_nest_end(msg, matches);
12153 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
12157 for (i = 0; i < req->n_scan_plans; i++) {
12158 scan_plan = nla_nest_start_noflag(msg, i + 1);
12162 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
12163 req->scan_plans[i].interval) ||
12164 (req->scan_plans[i].iterations &&
12165 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
12166 req->scan_plans[i].iterations)))
12168 nla_nest_end(msg, scan_plan);
12170 nla_nest_end(msg, scan_plans);
12172 nla_nest_end(msg, nd);
12177 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
12179 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12180 struct sk_buff *msg;
12182 u32 size = NLMSG_DEFAULT_SIZE;
12184 if (!rdev->wiphy.wowlan)
12185 return -EOPNOTSUPP;
12187 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
12188 /* adjust size to have room for all the data */
12189 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
12190 rdev->wiphy.wowlan_config->tcp->payload_len +
12191 rdev->wiphy.wowlan_config->tcp->wake_len +
12192 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
12195 msg = nlmsg_new(size, GFP_KERNEL);
12199 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12200 NL80211_CMD_GET_WOWLAN);
12202 goto nla_put_failure;
12204 if (rdev->wiphy.wowlan_config) {
12205 struct nlattr *nl_wowlan;
12207 nl_wowlan = nla_nest_start_noflag(msg,
12208 NL80211_ATTR_WOWLAN_TRIGGERS);
12210 goto nla_put_failure;
12212 if ((rdev->wiphy.wowlan_config->any &&
12213 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
12214 (rdev->wiphy.wowlan_config->disconnect &&
12215 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
12216 (rdev->wiphy.wowlan_config->magic_pkt &&
12217 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
12218 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
12219 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
12220 (rdev->wiphy.wowlan_config->eap_identity_req &&
12221 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
12222 (rdev->wiphy.wowlan_config->four_way_handshake &&
12223 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
12224 (rdev->wiphy.wowlan_config->rfkill_release &&
12225 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
12226 goto nla_put_failure;
12228 if (nl80211_send_wowlan_patterns(msg, rdev))
12229 goto nla_put_failure;
12231 if (nl80211_send_wowlan_tcp(msg,
12232 rdev->wiphy.wowlan_config->tcp))
12233 goto nla_put_failure;
12235 if (nl80211_send_wowlan_nd(
12237 rdev->wiphy.wowlan_config->nd_config))
12238 goto nla_put_failure;
12240 nla_nest_end(msg, nl_wowlan);
12243 genlmsg_end(msg, hdr);
12244 return genlmsg_reply(msg, info);
12251 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
12252 struct nlattr *attr,
12253 struct cfg80211_wowlan *trig)
12255 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
12256 struct cfg80211_wowlan_tcp *cfg;
12257 struct nl80211_wowlan_tcp_data_token *tok = NULL;
12258 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
12260 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
12263 if (!rdev->wiphy.wowlan->tcp)
12266 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
12267 nl80211_wowlan_tcp_policy, NULL);
12271 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
12272 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
12273 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
12274 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
12275 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
12276 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
12277 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
12278 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
12281 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
12282 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
12285 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
12286 rdev->wiphy.wowlan->tcp->data_interval_max ||
12287 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
12290 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
12291 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
12294 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
12295 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
12298 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
12299 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12301 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12302 tokens_size = tokln - sizeof(*tok);
12304 if (!tok->len || tokens_size % tok->len)
12306 if (!rdev->wiphy.wowlan->tcp->tok)
12308 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
12310 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
12312 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
12314 if (tok->offset + tok->len > data_size)
12318 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
12319 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
12320 if (!rdev->wiphy.wowlan->tcp->seq)
12322 if (seq->len == 0 || seq->len > 4)
12324 if (seq->len + seq->offset > data_size)
12328 size = sizeof(*cfg);
12330 size += wake_size + wake_mask_size;
12331 size += tokens_size;
12333 cfg = kzalloc(size, GFP_KERNEL);
12336 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
12337 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
12338 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
12340 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
12341 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
12345 /* allocate a socket and port for it and use it */
12346 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
12347 IPPROTO_TCP, &cfg->sock, 1);
12352 if (inet_csk_get_port(cfg->sock->sk, port)) {
12353 sock_release(cfg->sock);
12355 return -EADDRINUSE;
12357 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
12363 cfg->src_port = port;
12366 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
12367 cfg->payload_len = data_size;
12368 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
12369 memcpy((void *)cfg->payload,
12370 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
12373 cfg->payload_seq = *seq;
12374 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
12375 cfg->wake_len = wake_size;
12376 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
12377 memcpy((void *)cfg->wake_data,
12378 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
12380 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
12381 data_size + wake_size;
12382 memcpy((void *)cfg->wake_mask,
12383 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
12386 cfg->tokens_size = tokens_size;
12387 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
12395 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
12396 const struct wiphy_wowlan_support *wowlan,
12397 struct nlattr *attr,
12398 struct cfg80211_wowlan *trig)
12400 struct nlattr **tb;
12403 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
12407 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
12412 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
12413 nl80211_policy, NULL);
12417 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
12418 wowlan->max_nd_match_sets);
12419 err = PTR_ERR_OR_ZERO(trig->nd_config);
12421 trig->nd_config = NULL;
12428 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
12430 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12431 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
12432 struct cfg80211_wowlan new_triggers = {};
12433 struct cfg80211_wowlan *ntrig;
12434 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
12436 bool prev_enabled = rdev->wiphy.wowlan_config;
12437 bool regular = false;
12440 return -EOPNOTSUPP;
12442 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
12443 cfg80211_rdev_free_wowlan(rdev);
12444 rdev->wiphy.wowlan_config = NULL;
12448 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
12449 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
12450 nl80211_wowlan_policy, info->extack);
12454 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
12455 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
12457 new_triggers.any = true;
12460 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
12461 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
12463 new_triggers.disconnect = true;
12467 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
12468 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
12470 new_triggers.magic_pkt = true;
12474 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
12477 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
12478 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
12480 new_triggers.gtk_rekey_failure = true;
12484 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
12485 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
12487 new_triggers.eap_identity_req = true;
12491 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
12492 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
12494 new_triggers.four_way_handshake = true;
12498 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
12499 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
12501 new_triggers.rfkill_release = true;
12505 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
12506 struct nlattr *pat;
12507 int n_patterns = 0;
12508 int rem, pat_len, mask_len, pkt_offset;
12509 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12513 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12516 if (n_patterns > wowlan->n_patterns)
12519 new_triggers.patterns = kcalloc(n_patterns,
12520 sizeof(new_triggers.patterns[0]),
12522 if (!new_triggers.patterns)
12525 new_triggers.n_patterns = n_patterns;
12528 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12532 err = nla_parse_nested_deprecated(pat_tb,
12533 MAX_NL80211_PKTPAT,
12535 nl80211_packet_pattern_policy,
12541 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12542 !pat_tb[NL80211_PKTPAT_PATTERN])
12544 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12545 mask_len = DIV_ROUND_UP(pat_len, 8);
12546 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12548 if (pat_len > wowlan->pattern_max_len ||
12549 pat_len < wowlan->pattern_min_len)
12552 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12555 pkt_offset = nla_get_u32(
12556 pat_tb[NL80211_PKTPAT_OFFSET]);
12557 if (pkt_offset > wowlan->max_pkt_offset)
12559 new_triggers.patterns[i].pkt_offset = pkt_offset;
12561 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12566 new_triggers.patterns[i].mask = mask_pat;
12567 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12569 mask_pat += mask_len;
12570 new_triggers.patterns[i].pattern = mask_pat;
12571 new_triggers.patterns[i].pattern_len = pat_len;
12573 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12579 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
12581 err = nl80211_parse_wowlan_tcp(
12582 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
12588 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
12590 err = nl80211_parse_wowlan_nd(
12591 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
12597 /* The 'any' trigger means the device continues operating more or less
12598 * as in its normal operation mode and wakes up the host on most of the
12599 * normal interrupts (like packet RX, ...)
12600 * It therefore makes little sense to combine with the more constrained
12601 * wakeup trigger modes.
12603 if (new_triggers.any && regular) {
12608 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
12613 cfg80211_rdev_free_wowlan(rdev);
12614 rdev->wiphy.wowlan_config = ntrig;
12617 if (rdev->ops->set_wakeup &&
12618 prev_enabled != !!rdev->wiphy.wowlan_config)
12619 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
12623 for (i = 0; i < new_triggers.n_patterns; i++)
12624 kfree(new_triggers.patterns[i].mask);
12625 kfree(new_triggers.patterns);
12626 if (new_triggers.tcp && new_triggers.tcp->sock)
12627 sock_release(new_triggers.tcp->sock);
12628 kfree(new_triggers.tcp);
12629 kfree(new_triggers.nd_config);
12634 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
12635 struct cfg80211_registered_device *rdev)
12637 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
12639 struct cfg80211_coalesce_rules *rule;
12641 if (!rdev->coalesce->n_rules)
12644 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
12648 for (i = 0; i < rdev->coalesce->n_rules; i++) {
12649 nl_rule = nla_nest_start_noflag(msg, i + 1);
12653 rule = &rdev->coalesce->rules[i];
12654 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
12658 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
12662 nl_pats = nla_nest_start_noflag(msg,
12663 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
12667 for (j = 0; j < rule->n_patterns; j++) {
12668 nl_pat = nla_nest_start_noflag(msg, j + 1);
12671 pat_len = rule->patterns[j].pattern_len;
12672 if (nla_put(msg, NL80211_PKTPAT_MASK,
12673 DIV_ROUND_UP(pat_len, 8),
12674 rule->patterns[j].mask) ||
12675 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12676 rule->patterns[j].pattern) ||
12677 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12678 rule->patterns[j].pkt_offset))
12680 nla_nest_end(msg, nl_pat);
12682 nla_nest_end(msg, nl_pats);
12683 nla_nest_end(msg, nl_rule);
12685 nla_nest_end(msg, nl_rules);
12690 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
12692 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12693 struct sk_buff *msg;
12696 if (!rdev->wiphy.coalesce)
12697 return -EOPNOTSUPP;
12699 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12703 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12704 NL80211_CMD_GET_COALESCE);
12706 goto nla_put_failure;
12708 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
12709 goto nla_put_failure;
12711 genlmsg_end(msg, hdr);
12712 return genlmsg_reply(msg, info);
12719 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
12721 struct cfg80211_coalesce *coalesce = rdev->coalesce;
12723 struct cfg80211_coalesce_rules *rule;
12728 for (i = 0; i < coalesce->n_rules; i++) {
12729 rule = &coalesce->rules[i];
12730 for (j = 0; j < rule->n_patterns; j++)
12731 kfree(rule->patterns[j].mask);
12732 kfree(rule->patterns);
12734 kfree(coalesce->rules);
12736 rdev->coalesce = NULL;
12739 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
12740 struct nlattr *rule,
12741 struct cfg80211_coalesce_rules *new_rule)
12744 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12745 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
12746 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
12747 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12749 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
12750 rule, nl80211_coalesce_policy, NULL);
12754 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
12756 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
12757 if (new_rule->delay > coalesce->max_delay)
12760 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
12761 new_rule->condition =
12762 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
12764 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
12767 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12770 if (n_patterns > coalesce->n_patterns)
12773 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
12775 if (!new_rule->patterns)
12778 new_rule->n_patterns = n_patterns;
12781 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12785 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
12787 nl80211_packet_pattern_policy,
12792 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12793 !pat_tb[NL80211_PKTPAT_PATTERN])
12795 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12796 mask_len = DIV_ROUND_UP(pat_len, 8);
12797 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12799 if (pat_len > coalesce->pattern_max_len ||
12800 pat_len < coalesce->pattern_min_len)
12803 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12806 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
12807 if (pkt_offset > coalesce->max_pkt_offset)
12809 new_rule->patterns[i].pkt_offset = pkt_offset;
12811 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12815 new_rule->patterns[i].mask = mask_pat;
12816 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12819 mask_pat += mask_len;
12820 new_rule->patterns[i].pattern = mask_pat;
12821 new_rule->patterns[i].pattern_len = pat_len;
12822 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12830 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
12832 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12833 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12834 struct cfg80211_coalesce new_coalesce = {};
12835 struct cfg80211_coalesce *n_coalesce;
12836 int err, rem_rule, n_rules = 0, i, j;
12837 struct nlattr *rule;
12838 struct cfg80211_coalesce_rules *tmp_rule;
12840 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
12841 return -EOPNOTSUPP;
12843 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
12844 cfg80211_rdev_free_coalesce(rdev);
12845 rdev_set_coalesce(rdev, NULL);
12849 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12852 if (n_rules > coalesce->n_rules)
12855 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
12857 if (!new_coalesce.rules)
12860 new_coalesce.n_rules = n_rules;
12863 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12865 err = nl80211_parse_coalesce_rule(rdev, rule,
12866 &new_coalesce.rules[i]);
12873 err = rdev_set_coalesce(rdev, &new_coalesce);
12877 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12882 cfg80211_rdev_free_coalesce(rdev);
12883 rdev->coalesce = n_coalesce;
12887 for (i = 0; i < new_coalesce.n_rules; i++) {
12888 tmp_rule = &new_coalesce.rules[i];
12889 for (j = 0; j < tmp_rule->n_patterns; j++)
12890 kfree(tmp_rule->patterns[j].mask);
12891 kfree(tmp_rule->patterns);
12893 kfree(new_coalesce.rules);
12898 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12900 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12901 struct net_device *dev = info->user_ptr[1];
12902 struct wireless_dev *wdev = dev->ieee80211_ptr;
12903 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
12904 struct cfg80211_gtk_rekey_data rekey_data = {};
12907 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12910 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12911 info->attrs[NL80211_ATTR_REKEY_DATA],
12912 nl80211_rekey_policy, info->extack);
12916 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12917 !tb[NL80211_REKEY_DATA_KCK])
12919 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
12920 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12921 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
12923 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
12924 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12925 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN))
12928 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12929 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12930 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
12931 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
12932 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
12933 if (tb[NL80211_REKEY_DATA_AKM])
12934 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
12937 if (!wdev->current_bss) {
12942 if (!rdev->ops->set_rekey_data) {
12947 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
12953 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12954 struct genl_info *info)
12956 struct net_device *dev = info->user_ptr[1];
12957 struct wireless_dev *wdev = dev->ieee80211_ptr;
12959 if (wdev->iftype != NL80211_IFTYPE_AP &&
12960 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12963 if (wdev->ap_unexpected_nlportid)
12966 wdev->ap_unexpected_nlportid = info->snd_portid;
12970 static int nl80211_probe_client(struct sk_buff *skb,
12971 struct genl_info *info)
12973 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12974 struct net_device *dev = info->user_ptr[1];
12975 struct wireless_dev *wdev = dev->ieee80211_ptr;
12976 struct sk_buff *msg;
12982 if (wdev->iftype != NL80211_IFTYPE_AP &&
12983 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12984 return -EOPNOTSUPP;
12986 if (!info->attrs[NL80211_ATTR_MAC])
12989 if (!rdev->ops->probe_client)
12990 return -EOPNOTSUPP;
12992 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12996 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12997 NL80211_CMD_PROBE_CLIENT);
13003 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13005 err = rdev_probe_client(rdev, dev, addr, &cookie);
13009 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13011 goto nla_put_failure;
13013 genlmsg_end(msg, hdr);
13015 return genlmsg_reply(msg, info);
13024 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
13026 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13027 struct cfg80211_beacon_registration *reg, *nreg;
13030 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
13031 return -EOPNOTSUPP;
13033 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
13037 /* First, check if already registered. */
13038 spin_lock_bh(&rdev->beacon_registrations_lock);
13039 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
13040 if (reg->nlportid == info->snd_portid) {
13045 /* Add it to the list */
13046 nreg->nlportid = info->snd_portid;
13047 list_add(&nreg->list, &rdev->beacon_registrations);
13049 spin_unlock_bh(&rdev->beacon_registrations_lock);
13053 spin_unlock_bh(&rdev->beacon_registrations_lock);
13058 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
13060 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13061 struct wireless_dev *wdev = info->user_ptr[1];
13064 if (!rdev->ops->start_p2p_device)
13065 return -EOPNOTSUPP;
13067 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13068 return -EOPNOTSUPP;
13070 if (wdev_running(wdev))
13073 if (rfkill_blocked(rdev->wiphy.rfkill))
13076 err = rdev_start_p2p_device(rdev, wdev);
13080 wdev->is_running = true;
13086 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
13088 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13089 struct wireless_dev *wdev = info->user_ptr[1];
13091 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13092 return -EOPNOTSUPP;
13094 if (!rdev->ops->stop_p2p_device)
13095 return -EOPNOTSUPP;
13097 cfg80211_stop_p2p_device(rdev, wdev);
13102 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
13104 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13105 struct wireless_dev *wdev = info->user_ptr[1];
13106 struct cfg80211_nan_conf conf = {};
13109 if (wdev->iftype != NL80211_IFTYPE_NAN)
13110 return -EOPNOTSUPP;
13112 if (wdev_running(wdev))
13115 if (rfkill_blocked(rdev->wiphy.rfkill))
13118 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
13122 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13124 if (info->attrs[NL80211_ATTR_BANDS]) {
13125 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13127 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13128 return -EOPNOTSUPP;
13130 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13133 conf.bands = bands;
13136 err = rdev_start_nan(rdev, wdev, &conf);
13140 wdev->is_running = true;
13146 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
13148 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13149 struct wireless_dev *wdev = info->user_ptr[1];
13151 if (wdev->iftype != NL80211_IFTYPE_NAN)
13152 return -EOPNOTSUPP;
13154 cfg80211_stop_nan(rdev, wdev);
13159 static int validate_nan_filter(struct nlattr *filter_attr)
13161 struct nlattr *attr;
13162 int len = 0, n_entries = 0, rem;
13164 nla_for_each_nested(attr, filter_attr, rem) {
13165 len += nla_len(attr);
13175 static int handle_nan_filter(struct nlattr *attr_filter,
13176 struct cfg80211_nan_func *func,
13179 struct nlattr *attr;
13180 int n_entries, rem, i;
13181 struct cfg80211_nan_func_filter *filter;
13183 n_entries = validate_nan_filter(attr_filter);
13187 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
13189 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
13194 nla_for_each_nested(attr, attr_filter, rem) {
13195 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
13196 if (!filter[i].filter)
13199 filter[i].len = nla_len(attr);
13203 func->num_tx_filters = n_entries;
13204 func->tx_filters = filter;
13206 func->num_rx_filters = n_entries;
13207 func->rx_filters = filter;
13214 nla_for_each_nested(attr, attr_filter, rem) {
13215 kfree(filter[i].filter);
13222 static int nl80211_nan_add_func(struct sk_buff *skb,
13223 struct genl_info *info)
13225 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13226 struct wireless_dev *wdev = info->user_ptr[1];
13227 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
13228 struct cfg80211_nan_func *func;
13229 struct sk_buff *msg = NULL;
13233 if (wdev->iftype != NL80211_IFTYPE_NAN)
13234 return -EOPNOTSUPP;
13236 if (!wdev_running(wdev))
13239 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
13242 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
13243 info->attrs[NL80211_ATTR_NAN_FUNC],
13244 nl80211_nan_func_policy,
13249 func = kzalloc(sizeof(*func), GFP_KERNEL);
13253 func->cookie = cfg80211_assign_cookie(rdev);
13255 if (!tb[NL80211_NAN_FUNC_TYPE]) {
13261 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
13263 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
13268 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
13269 sizeof(func->service_id));
13271 func->close_range =
13272 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
13274 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
13275 func->serv_spec_info_len =
13276 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
13277 func->serv_spec_info =
13278 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
13279 func->serv_spec_info_len,
13281 if (!func->serv_spec_info) {
13287 if (tb[NL80211_NAN_FUNC_TTL])
13288 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
13290 switch (func->type) {
13291 case NL80211_NAN_FUNC_PUBLISH:
13292 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
13297 func->publish_type =
13298 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
13299 func->publish_bcast =
13300 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
13302 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
13303 func->publish_bcast) {
13308 case NL80211_NAN_FUNC_SUBSCRIBE:
13309 func->subscribe_active =
13310 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
13312 case NL80211_NAN_FUNC_FOLLOW_UP:
13313 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
13314 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
13315 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
13320 func->followup_id =
13321 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
13322 func->followup_reqid =
13323 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
13324 memcpy(func->followup_dest.addr,
13325 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
13326 sizeof(func->followup_dest.addr));
13337 if (tb[NL80211_NAN_FUNC_SRF]) {
13338 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
13340 err = nla_parse_nested_deprecated(srf_tb,
13341 NL80211_NAN_SRF_ATTR_MAX,
13342 tb[NL80211_NAN_FUNC_SRF],
13343 nl80211_nan_srf_policy,
13348 func->srf_include =
13349 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
13351 if (srf_tb[NL80211_NAN_SRF_BF]) {
13352 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
13353 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
13359 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
13361 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
13362 func->srf_bf_len, GFP_KERNEL);
13363 if (!func->srf_bf) {
13369 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
13371 struct nlattr *attr, *mac_attr =
13372 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
13373 int n_entries, rem, i = 0;
13380 n_entries = validate_acl_mac_addrs(mac_attr);
13381 if (n_entries <= 0) {
13386 func->srf_num_macs = n_entries;
13388 kcalloc(n_entries, sizeof(*func->srf_macs),
13390 if (!func->srf_macs) {
13395 nla_for_each_nested(attr, mac_attr, rem)
13396 memcpy(func->srf_macs[i++].addr, nla_data(attr),
13397 sizeof(*func->srf_macs));
13401 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
13402 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
13408 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
13409 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
13415 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13421 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13422 NL80211_CMD_ADD_NAN_FUNCTION);
13423 /* This can't really happen - we just allocated 4KB */
13424 if (WARN_ON(!hdr)) {
13429 err = rdev_add_nan_func(rdev, wdev, func);
13432 cfg80211_free_nan_func(func);
13437 /* propagate the instance id and cookie to userspace */
13438 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
13440 goto nla_put_failure;
13442 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13444 goto nla_put_failure;
13446 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
13447 func->instance_id))
13448 goto nla_put_failure;
13450 nla_nest_end(msg, func_attr);
13452 genlmsg_end(msg, hdr);
13453 return genlmsg_reply(msg, info);
13460 static int nl80211_nan_del_func(struct sk_buff *skb,
13461 struct genl_info *info)
13463 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13464 struct wireless_dev *wdev = info->user_ptr[1];
13467 if (wdev->iftype != NL80211_IFTYPE_NAN)
13468 return -EOPNOTSUPP;
13470 if (!wdev_running(wdev))
13473 if (!info->attrs[NL80211_ATTR_COOKIE])
13476 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
13478 rdev_del_nan_func(rdev, wdev, cookie);
13483 static int nl80211_nan_change_config(struct sk_buff *skb,
13484 struct genl_info *info)
13486 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13487 struct wireless_dev *wdev = info->user_ptr[1];
13488 struct cfg80211_nan_conf conf = {};
13491 if (wdev->iftype != NL80211_IFTYPE_NAN)
13492 return -EOPNOTSUPP;
13494 if (!wdev_running(wdev))
13497 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
13499 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13500 if (conf.master_pref <= 1 || conf.master_pref == 255)
13503 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
13506 if (info->attrs[NL80211_ATTR_BANDS]) {
13507 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13509 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13510 return -EOPNOTSUPP;
13512 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13515 conf.bands = bands;
13516 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
13522 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
13525 void cfg80211_nan_match(struct wireless_dev *wdev,
13526 struct cfg80211_nan_match_params *match, gfp_t gfp)
13528 struct wiphy *wiphy = wdev->wiphy;
13529 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13530 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
13531 struct sk_buff *msg;
13534 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
13537 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13541 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
13547 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13548 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13549 wdev->netdev->ifindex)) ||
13550 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13552 goto nla_put_failure;
13554 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
13555 NL80211_ATTR_PAD) ||
13556 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
13557 goto nla_put_failure;
13559 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
13561 goto nla_put_failure;
13563 local_func_attr = nla_nest_start_noflag(msg,
13564 NL80211_NAN_MATCH_FUNC_LOCAL);
13565 if (!local_func_attr)
13566 goto nla_put_failure;
13568 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
13569 goto nla_put_failure;
13571 nla_nest_end(msg, local_func_attr);
13573 peer_func_attr = nla_nest_start_noflag(msg,
13574 NL80211_NAN_MATCH_FUNC_PEER);
13575 if (!peer_func_attr)
13576 goto nla_put_failure;
13578 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
13579 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
13580 goto nla_put_failure;
13582 if (match->info && match->info_len &&
13583 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
13585 goto nla_put_failure;
13587 nla_nest_end(msg, peer_func_attr);
13588 nla_nest_end(msg, match_attr);
13589 genlmsg_end(msg, hdr);
13591 if (!wdev->owner_nlportid)
13592 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13593 msg, 0, NL80211_MCGRP_NAN, gfp);
13595 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13596 wdev->owner_nlportid);
13603 EXPORT_SYMBOL(cfg80211_nan_match);
13605 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
13607 enum nl80211_nan_func_term_reason reason,
13608 u64 cookie, gfp_t gfp)
13610 struct wiphy *wiphy = wdev->wiphy;
13611 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13612 struct sk_buff *msg;
13613 struct nlattr *func_attr;
13616 if (WARN_ON(!inst_id))
13619 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13623 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
13629 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13630 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13631 wdev->netdev->ifindex)) ||
13632 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13634 goto nla_put_failure;
13636 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13638 goto nla_put_failure;
13640 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13642 goto nla_put_failure;
13644 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
13645 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
13646 goto nla_put_failure;
13648 nla_nest_end(msg, func_attr);
13649 genlmsg_end(msg, hdr);
13651 if (!wdev->owner_nlportid)
13652 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13653 msg, 0, NL80211_MCGRP_NAN, gfp);
13655 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13656 wdev->owner_nlportid);
13663 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
13665 static int nl80211_get_protocol_features(struct sk_buff *skb,
13666 struct genl_info *info)
13669 struct sk_buff *msg;
13671 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13675 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13676 NL80211_CMD_GET_PROTOCOL_FEATURES);
13678 goto nla_put_failure;
13680 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
13681 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
13682 goto nla_put_failure;
13684 genlmsg_end(msg, hdr);
13685 return genlmsg_reply(msg, info);
13692 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
13694 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13695 struct cfg80211_update_ft_ies_params ft_params;
13696 struct net_device *dev = info->user_ptr[1];
13698 if (!rdev->ops->update_ft_ies)
13699 return -EOPNOTSUPP;
13701 if (!info->attrs[NL80211_ATTR_MDID] ||
13702 !info->attrs[NL80211_ATTR_IE])
13705 memset(&ft_params, 0, sizeof(ft_params));
13706 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
13707 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13708 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13710 return rdev_update_ft_ies(rdev, dev, &ft_params);
13713 static int nl80211_crit_protocol_start(struct sk_buff *skb,
13714 struct genl_info *info)
13716 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13717 struct wireless_dev *wdev = info->user_ptr[1];
13718 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
13722 if (!rdev->ops->crit_proto_start)
13723 return -EOPNOTSUPP;
13725 if (WARN_ON(!rdev->ops->crit_proto_stop))
13728 if (rdev->crit_proto_nlportid)
13731 /* determine protocol if provided */
13732 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
13733 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
13735 if (proto >= NUM_NL80211_CRIT_PROTO)
13738 /* timeout must be provided */
13739 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
13743 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
13745 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
13747 rdev->crit_proto_nlportid = info->snd_portid;
13752 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
13753 struct genl_info *info)
13755 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13756 struct wireless_dev *wdev = info->user_ptr[1];
13758 if (!rdev->ops->crit_proto_stop)
13759 return -EOPNOTSUPP;
13761 if (rdev->crit_proto_nlportid) {
13762 rdev->crit_proto_nlportid = 0;
13763 rdev_crit_proto_stop(rdev, wdev);
13768 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
13769 struct nlattr *attr,
13770 struct netlink_ext_ack *extack)
13772 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
13773 if (attr->nla_type & NLA_F_NESTED) {
13774 NL_SET_ERR_MSG_ATTR(extack, attr,
13775 "unexpected nested data");
13782 if (!(attr->nla_type & NLA_F_NESTED)) {
13783 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
13787 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
13790 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
13792 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13793 struct wireless_dev *wdev =
13794 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
13799 if (!rdev->wiphy.vendor_commands)
13800 return -EOPNOTSUPP;
13802 if (IS_ERR(wdev)) {
13803 err = PTR_ERR(wdev);
13804 if (err != -EINVAL)
13807 } else if (wdev->wiphy != &rdev->wiphy) {
13811 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
13812 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
13815 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
13816 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
13817 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
13818 const struct wiphy_vendor_command *vcmd;
13822 vcmd = &rdev->wiphy.vendor_commands[i];
13824 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13827 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13828 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13831 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13835 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13836 if (!wdev_running(wdev))
13844 return -EOPNOTSUPP;
13846 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
13847 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13848 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13850 err = nl80211_vendor_check_policy(vcmd,
13851 info->attrs[NL80211_ATTR_VENDOR_DATA],
13857 rdev->cur_cmd_info = info;
13858 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
13859 rdev->cur_cmd_info = NULL;
13863 return -EOPNOTSUPP;
13866 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
13867 struct netlink_callback *cb,
13868 struct cfg80211_registered_device **rdev,
13869 struct wireless_dev **wdev)
13871 struct nlattr **attrbuf;
13877 unsigned int data_len = 0;
13880 /* subtract the 1 again here */
13881 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
13882 struct wireless_dev *tmp;
13886 *rdev = wiphy_to_rdev(wiphy);
13890 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
13891 if (tmp->identifier == cb->args[1] - 1) {
13898 /* keep rtnl locked in successful case */
13902 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13906 err = nlmsg_parse_deprecated(cb->nlh,
13907 GENL_HDRLEN + nl80211_fam.hdrsize,
13908 attrbuf, nl80211_fam.maxattr,
13909 nl80211_policy, NULL);
13913 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
13914 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13919 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
13923 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
13924 if (IS_ERR(*rdev)) {
13925 err = PTR_ERR(*rdev);
13929 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13930 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
13932 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13933 const struct wiphy_vendor_command *vcmd;
13935 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13937 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13940 if (!vcmd->dumpit) {
13949 if (vcmd_idx < 0) {
13954 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13955 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13956 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13958 err = nl80211_vendor_check_policy(
13959 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13960 attrbuf[NL80211_ATTR_VENDOR_DATA],
13966 /* 0 is the first index - add 1 to parse only once */
13967 cb->args[0] = (*rdev)->wiphy_idx + 1;
13968 /* add 1 to know if it was NULL */
13969 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13970 cb->args[2] = vcmd_idx;
13971 cb->args[3] = (unsigned long)data;
13972 cb->args[4] = data_len;
13974 /* keep rtnl locked in successful case */
13981 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13982 struct netlink_callback *cb)
13984 struct cfg80211_registered_device *rdev;
13985 struct wireless_dev *wdev;
13986 unsigned int vcmd_idx;
13987 const struct wiphy_vendor_command *vcmd;
13991 struct nlattr *vendor_data;
13994 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13998 vcmd_idx = cb->args[2];
13999 data = (void *)cb->args[3];
14000 data_len = cb->args[4];
14001 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
14003 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
14004 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
14009 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
14015 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
14016 if (!wdev_running(wdev)) {
14024 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
14025 cb->nlh->nlmsg_seq, NLM_F_MULTI,
14026 NL80211_CMD_VENDOR);
14030 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14031 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
14033 NL80211_ATTR_PAD))) {
14034 genlmsg_cancel(skb, hdr);
14038 vendor_data = nla_nest_start_noflag(skb,
14039 NL80211_ATTR_VENDOR_DATA);
14040 if (!vendor_data) {
14041 genlmsg_cancel(skb, hdr);
14045 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
14046 (unsigned long *)&cb->args[5]);
14047 nla_nest_end(skb, vendor_data);
14049 if (err == -ENOBUFS || err == -ENOENT) {
14050 genlmsg_cancel(skb, hdr);
14052 } else if (err <= 0) {
14053 genlmsg_cancel(skb, hdr);
14057 genlmsg_end(skb, hdr);
14066 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
14067 enum nl80211_commands cmd,
14068 enum nl80211_attrs attr,
14071 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14073 if (WARN_ON(!rdev->cur_cmd_info))
14076 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
14077 rdev->cur_cmd_info->snd_portid,
14078 rdev->cur_cmd_info->snd_seq,
14079 cmd, attr, NULL, GFP_KERNEL);
14081 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
14083 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
14085 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
14086 void *hdr = ((void **)skb->cb)[1];
14087 struct nlattr *data = ((void **)skb->cb)[2];
14089 /* clear CB data for netlink core to own from now on */
14090 memset(skb->cb, 0, sizeof(skb->cb));
14092 if (WARN_ON(!rdev->cur_cmd_info)) {
14097 nla_nest_end(skb, data);
14098 genlmsg_end(skb, hdr);
14099 return genlmsg_reply(skb, rdev->cur_cmd_info);
14101 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
14103 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
14105 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14107 if (WARN_ON(!rdev->cur_cmd_info))
14110 return rdev->cur_cmd_info->snd_portid;
14112 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
14114 static int nl80211_set_qos_map(struct sk_buff *skb,
14115 struct genl_info *info)
14117 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14118 struct cfg80211_qos_map *qos_map = NULL;
14119 struct net_device *dev = info->user_ptr[1];
14120 u8 *pos, len, num_des, des_len, des;
14123 if (!rdev->ops->set_qos_map)
14124 return -EOPNOTSUPP;
14126 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
14127 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
14128 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
14133 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
14137 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
14139 des_len = num_des *
14140 sizeof(struct cfg80211_dscp_exception);
14141 memcpy(qos_map->dscp_exception, pos, des_len);
14142 qos_map->num_des = num_des;
14143 for (des = 0; des < num_des; des++) {
14144 if (qos_map->dscp_exception[des].up > 7) {
14151 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
14154 wdev_lock(dev->ieee80211_ptr);
14155 ret = nl80211_key_allowed(dev->ieee80211_ptr);
14157 ret = rdev_set_qos_map(rdev, dev, qos_map);
14158 wdev_unlock(dev->ieee80211_ptr);
14164 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
14166 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14167 struct net_device *dev = info->user_ptr[1];
14168 struct wireless_dev *wdev = dev->ieee80211_ptr;
14171 u16 admitted_time = 0;
14174 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
14175 return -EOPNOTSUPP;
14177 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
14178 !info->attrs[NL80211_ATTR_USER_PRIO])
14181 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14182 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
14184 /* WMM uses TIDs 0-7 even for TSPEC */
14185 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
14186 /* TODO: handle 802.11 TSPEC/admission control
14187 * need more attributes for that (e.g. BA session requirement);
14188 * change the WMM adminssion test above to allow both then
14193 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14195 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
14197 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
14198 if (!admitted_time)
14203 switch (wdev->iftype) {
14204 case NL80211_IFTYPE_STATION:
14205 case NL80211_IFTYPE_P2P_CLIENT:
14206 if (wdev->current_bss)
14215 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
14222 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
14224 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14225 struct net_device *dev = info->user_ptr[1];
14226 struct wireless_dev *wdev = dev->ieee80211_ptr;
14231 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
14234 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14235 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14238 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
14244 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
14245 struct genl_info *info)
14247 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14248 struct net_device *dev = info->user_ptr[1];
14249 struct wireless_dev *wdev = dev->ieee80211_ptr;
14250 struct cfg80211_chan_def chandef = {};
14255 if (!rdev->ops->tdls_channel_switch ||
14256 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14257 return -EOPNOTSUPP;
14259 switch (dev->ieee80211_ptr->iftype) {
14260 case NL80211_IFTYPE_STATION:
14261 case NL80211_IFTYPE_P2P_CLIENT:
14264 return -EOPNOTSUPP;
14267 if (!info->attrs[NL80211_ATTR_MAC] ||
14268 !info->attrs[NL80211_ATTR_OPER_CLASS])
14271 err = nl80211_parse_chandef(rdev, info, &chandef);
14276 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
14277 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
14278 * specification is not defined for them.
14280 if (chandef.chan->band == NL80211_BAND_2GHZ &&
14281 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
14282 chandef.width != NL80211_CHAN_WIDTH_20)
14285 /* we will be active on the TDLS link */
14286 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
14290 /* don't allow switching to DFS channels */
14291 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
14294 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14295 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
14298 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
14304 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
14305 struct genl_info *info)
14307 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14308 struct net_device *dev = info->user_ptr[1];
14309 struct wireless_dev *wdev = dev->ieee80211_ptr;
14312 if (!rdev->ops->tdls_channel_switch ||
14313 !rdev->ops->tdls_cancel_channel_switch ||
14314 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14315 return -EOPNOTSUPP;
14317 switch (dev->ieee80211_ptr->iftype) {
14318 case NL80211_IFTYPE_STATION:
14319 case NL80211_IFTYPE_P2P_CLIENT:
14322 return -EOPNOTSUPP;
14325 if (!info->attrs[NL80211_ATTR_MAC])
14328 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14331 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
14337 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
14338 struct genl_info *info)
14340 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14341 struct net_device *dev = info->user_ptr[1];
14342 struct wireless_dev *wdev = dev->ieee80211_ptr;
14343 const struct nlattr *nla;
14346 if (!rdev->ops->set_multicast_to_unicast)
14347 return -EOPNOTSUPP;
14349 if (wdev->iftype != NL80211_IFTYPE_AP &&
14350 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14351 return -EOPNOTSUPP;
14353 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
14354 enabled = nla_get_flag(nla);
14356 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
14359 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
14361 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14362 struct net_device *dev = info->user_ptr[1];
14363 struct wireless_dev *wdev = dev->ieee80211_ptr;
14364 struct cfg80211_pmk_conf pmk_conf = {};
14367 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14368 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14369 return -EOPNOTSUPP;
14371 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14372 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14373 return -EOPNOTSUPP;
14375 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
14379 if (!wdev->current_bss) {
14384 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14385 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
14390 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
14391 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
14392 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
14393 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
14398 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
14399 pmk_conf.pmk_r0_name =
14400 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
14402 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
14408 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
14410 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14411 struct net_device *dev = info->user_ptr[1];
14412 struct wireless_dev *wdev = dev->ieee80211_ptr;
14416 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14417 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14418 return -EOPNOTSUPP;
14420 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14421 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14422 return -EOPNOTSUPP;
14424 if (!info->attrs[NL80211_ATTR_MAC])
14428 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14429 ret = rdev_del_pmk(rdev, dev, aa);
14435 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
14437 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14438 struct net_device *dev = info->user_ptr[1];
14439 struct cfg80211_external_auth_params params;
14441 if (!rdev->ops->external_auth)
14442 return -EOPNOTSUPP;
14444 if (!info->attrs[NL80211_ATTR_SSID] &&
14445 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
14446 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
14449 if (!info->attrs[NL80211_ATTR_BSSID])
14452 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
14455 memset(¶ms, 0, sizeof(params));
14457 if (info->attrs[NL80211_ATTR_SSID]) {
14458 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
14459 if (params.ssid.ssid_len == 0)
14461 memcpy(params.ssid.ssid,
14462 nla_data(info->attrs[NL80211_ATTR_SSID]),
14463 params.ssid.ssid_len);
14466 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
14469 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14471 if (info->attrs[NL80211_ATTR_PMKID])
14472 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
14474 return rdev_external_auth(rdev, dev, ¶ms);
14477 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
14479 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
14480 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14481 struct net_device *dev = info->user_ptr[1];
14482 struct wireless_dev *wdev = dev->ieee80211_ptr;
14491 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14492 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
14493 return -EOPNOTSUPP;
14495 if (!rdev->ops->tx_control_port)
14496 return -EOPNOTSUPP;
14498 if (!info->attrs[NL80211_ATTR_FRAME] ||
14499 !info->attrs[NL80211_ATTR_MAC] ||
14500 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
14501 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
14507 switch (wdev->iftype) {
14508 case NL80211_IFTYPE_AP:
14509 case NL80211_IFTYPE_P2P_GO:
14510 case NL80211_IFTYPE_MESH_POINT:
14512 case NL80211_IFTYPE_ADHOC:
14513 case NL80211_IFTYPE_STATION:
14514 case NL80211_IFTYPE_P2P_CLIENT:
14515 if (wdev->current_bss)
14526 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14527 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14528 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14529 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
14531 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
14533 err = rdev_tx_control_port(rdev, dev, buf, len,
14534 dest, cpu_to_be16(proto), noencrypt,
14535 dont_wait_for_ack ? NULL : &cookie);
14536 if (!err && !dont_wait_for_ack)
14537 nl_set_extack_cookie_u64(info->extack, cookie);
14544 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
14545 struct genl_info *info)
14547 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14548 struct net_device *dev = info->user_ptr[1];
14549 struct wireless_dev *wdev = dev->ieee80211_ptr;
14550 struct cfg80211_ftm_responder_stats ftm_stats = {};
14551 struct sk_buff *msg;
14553 struct nlattr *ftm_stats_attr;
14556 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
14557 return -EOPNOTSUPP;
14559 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
14563 if (!ftm_stats.filled)
14566 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14570 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14571 NL80211_CMD_GET_FTM_RESPONDER_STATS);
14573 goto nla_put_failure;
14575 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
14576 goto nla_put_failure;
14578 ftm_stats_attr = nla_nest_start_noflag(msg,
14579 NL80211_ATTR_FTM_RESPONDER_STATS);
14580 if (!ftm_stats_attr)
14581 goto nla_put_failure;
14583 #define SET_FTM(field, name, type) \
14584 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14585 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
14586 ftm_stats.field)) \
14587 goto nla_put_failure; } while (0)
14588 #define SET_FTM_U64(field, name) \
14589 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14590 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
14591 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
14592 goto nla_put_failure; } while (0)
14594 SET_FTM(success_num, SUCCESS_NUM, u32);
14595 SET_FTM(partial_num, PARTIAL_NUM, u32);
14596 SET_FTM(failed_num, FAILED_NUM, u32);
14597 SET_FTM(asap_num, ASAP_NUM, u32);
14598 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
14599 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
14600 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
14601 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
14602 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
14605 nla_nest_end(msg, ftm_stats_attr);
14607 genlmsg_end(msg, hdr);
14608 return genlmsg_reply(msg, info);
14615 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
14617 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14618 struct cfg80211_update_owe_info owe_info;
14619 struct net_device *dev = info->user_ptr[1];
14621 if (!rdev->ops->update_owe_info)
14622 return -EOPNOTSUPP;
14624 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
14625 !info->attrs[NL80211_ATTR_MAC])
14628 memset(&owe_info, 0, sizeof(owe_info));
14629 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14630 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
14632 if (info->attrs[NL80211_ATTR_IE]) {
14633 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14634 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14637 return rdev_update_owe_info(rdev, dev, &owe_info);
14640 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
14642 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14643 struct net_device *dev = info->user_ptr[1];
14644 struct wireless_dev *wdev = dev->ieee80211_ptr;
14645 struct station_info sinfo = {};
14651 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
14652 return -EOPNOTSUPP;
14654 if (!info->attrs[NL80211_ATTR_MAC] ||
14655 !info->attrs[NL80211_ATTR_FRAME]) {
14656 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
14660 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
14661 return -EOPNOTSUPP;
14663 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14664 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14665 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14667 if (len < sizeof(struct ethhdr))
14670 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
14671 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
14674 err = rdev_get_station(rdev, dev, dest, &sinfo);
14678 cfg80211_sinfo_release_content(&sinfo);
14680 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
14683 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
14684 struct nlattr *attrs[], struct net_device *dev,
14685 struct cfg80211_tid_cfg *tid_conf,
14686 struct genl_info *info, const u8 *peer)
14688 struct netlink_ext_ack *extack = info->extack;
14692 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
14695 tid_conf->config_override =
14696 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
14697 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
14699 if (tid_conf->config_override) {
14700 if (rdev->ops->reset_tid_config) {
14701 err = rdev_reset_tid_config(rdev, dev, peer,
14710 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
14711 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
14713 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
14716 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
14717 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
14718 tid_conf->retry_short =
14719 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
14721 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
14725 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
14726 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
14727 tid_conf->retry_long =
14728 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
14730 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
14734 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
14735 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
14737 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
14740 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
14741 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
14743 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
14746 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
14747 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
14749 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
14752 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
14753 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
14755 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
14757 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
14758 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
14759 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
14760 &tid_conf->txrate_mask, dev,
14765 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
14767 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
14771 mask = rdev->wiphy.tid_config_support.peer;
14773 mask = rdev->wiphy.tid_config_support.vif;
14775 if (tid_conf->mask & ~mask) {
14776 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
14783 static int nl80211_set_tid_config(struct sk_buff *skb,
14784 struct genl_info *info)
14786 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14787 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
14788 struct net_device *dev = info->user_ptr[1];
14789 struct cfg80211_tid_config *tid_config;
14790 struct nlattr *tid;
14791 int conf_idx = 0, rem_conf;
14795 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
14798 if (!rdev->ops->set_tid_config)
14799 return -EOPNOTSUPP;
14801 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14805 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
14810 tid_config->n_tid_conf = num_conf;
14812 if (info->attrs[NL80211_ATTR_MAC])
14813 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14815 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14817 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
14823 ret = parse_tid_conf(rdev, attrs, dev,
14824 &tid_config->tid_conf[conf_idx],
14825 info, tid_config->peer);
14832 ret = rdev_set_tid_config(rdev, dev, tid_config);
14839 static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info)
14841 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14842 struct cfg80211_color_change_settings params = {};
14843 struct net_device *dev = info->user_ptr[1];
14844 struct wireless_dev *wdev = dev->ieee80211_ptr;
14845 struct nlattr **tb;
14849 if (!rdev->ops->color_change)
14850 return -EOPNOTSUPP;
14852 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14853 NL80211_EXT_FEATURE_BSS_COLOR))
14854 return -EOPNOTSUPP;
14856 if (wdev->iftype != NL80211_IFTYPE_AP)
14857 return -EOPNOTSUPP;
14859 if (!info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT] ||
14860 !info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR] ||
14861 !info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS])
14864 params.count = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT]);
14865 params.color = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR]);
14867 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_next);
14871 tb = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*tb), GFP_KERNEL);
14875 err = nla_parse_nested(tb, NL80211_ATTR_MAX,
14876 info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS],
14877 nl80211_policy, info->extack);
14881 err = nl80211_parse_beacon(rdev, tb, ¶ms.beacon_color_change);
14885 if (!tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
14890 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) != sizeof(u16)) {
14895 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
14896 if (offset >= params.beacon_color_change.tail_len) {
14901 if (params.beacon_color_change.tail[offset] != params.count) {
14906 params.counter_offset_beacon = offset;
14908 if (tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
14909 if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) !=
14915 offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
14916 if (offset >= params.beacon_color_change.probe_resp_len) {
14921 if (params.beacon_color_change.probe_resp[offset] !=
14927 params.counter_offset_presp = offset;
14931 err = rdev_color_change(rdev, dev, ¶ms);
14939 #define NL80211_FLAG_NEED_WIPHY 0x01
14940 #define NL80211_FLAG_NEED_NETDEV 0x02
14941 #define NL80211_FLAG_NEED_RTNL 0x04
14942 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
14943 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
14944 NL80211_FLAG_CHECK_NETDEV_UP)
14945 #define NL80211_FLAG_NEED_WDEV 0x10
14946 /* If a netdev is associated, it must be UP, P2P must be started */
14947 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
14948 NL80211_FLAG_CHECK_NETDEV_UP)
14949 #define NL80211_FLAG_CLEAR_SKB 0x20
14950 #define NL80211_FLAG_NO_WIPHY_MTX 0x40
14952 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
14953 struct genl_info *info)
14955 struct cfg80211_registered_device *rdev = NULL;
14956 struct wireless_dev *wdev;
14957 struct net_device *dev;
14960 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
14961 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
14962 if (IS_ERR(rdev)) {
14964 return PTR_ERR(rdev);
14966 info->user_ptr[0] = rdev;
14967 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
14968 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14969 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
14971 if (IS_ERR(wdev)) {
14973 return PTR_ERR(wdev);
14976 dev = wdev->netdev;
14977 rdev = wiphy_to_rdev(wdev->wiphy);
14979 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
14985 info->user_ptr[1] = dev;
14987 info->user_ptr[1] = wdev;
14990 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
14991 !wdev_running(wdev)) {
14997 info->user_ptr[0] = rdev;
15000 if (rdev && !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
15001 wiphy_lock(&rdev->wiphy);
15002 /* we keep the mutex locked until post_doit */
15003 __release(&rdev->wiphy.mtx);
15005 if (!(ops->internal_flags & NL80211_FLAG_NEED_RTNL))
15011 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
15012 struct genl_info *info)
15014 if (info->user_ptr[1]) {
15015 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
15016 struct wireless_dev *wdev = info->user_ptr[1];
15018 dev_put(wdev->netdev);
15020 dev_put(info->user_ptr[1]);
15024 if (info->user_ptr[0] &&
15025 !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
15026 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15028 /* we kept the mutex locked since pre_doit */
15029 __acquire(&rdev->wiphy.mtx);
15030 wiphy_unlock(&rdev->wiphy);
15033 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
15036 /* If needed, clear the netlink message payload from the SKB
15037 * as it might contain key data that shouldn't stick around on
15038 * the heap after the SKB is freed. The netlink message header
15039 * is still needed for further processing, so leave it intact.
15041 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
15042 struct nlmsghdr *nlh = nlmsg_hdr(skb);
15044 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
15048 static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
15049 struct cfg80211_sar_specs *sar_specs,
15050 struct nlattr *spec[], int index)
15052 u32 range_index, i;
15054 if (!sar_specs || !spec)
15057 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
15058 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
15061 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
15063 /* check if range_index exceeds num_freq_ranges */
15064 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
15067 /* check if range_index duplicates */
15068 for (i = 0; i < index; i++) {
15069 if (sar_specs->sub_specs[i].freq_range_index == range_index)
15073 sar_specs->sub_specs[index].power =
15074 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
15076 sar_specs->sub_specs[index].freq_range_index = range_index;
15081 static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
15083 struct cfg80211_registered_device *rdev = info->user_ptr[0];
15084 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
15085 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
15086 struct cfg80211_sar_specs *sar_spec;
15087 enum nl80211_sar_type type;
15088 struct nlattr *spec_list;
15092 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
15093 return -EOPNOTSUPP;
15095 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
15098 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
15099 info->attrs[NL80211_ATTR_SAR_SPEC],
15102 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
15105 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
15106 if (type != rdev->wiphy.sar_capa->type)
15110 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
15113 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
15116 sar_spec = kzalloc(sizeof(*sar_spec) +
15117 specs * sizeof(struct cfg80211_sar_sub_specs),
15122 sar_spec->type = type;
15124 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
15125 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
15126 spec_list, NULL, NULL);
15129 case NL80211_SAR_TYPE_POWER:
15130 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
15143 sar_spec->num_sub_specs = specs;
15145 rdev->cur_cmd_info = info;
15146 err = rdev_set_sar_specs(rdev, sar_spec);
15147 rdev->cur_cmd_info = NULL;
15153 static const struct genl_ops nl80211_ops[] = {
15155 .cmd = NL80211_CMD_GET_WIPHY,
15156 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15157 .doit = nl80211_get_wiphy,
15158 .dumpit = nl80211_dump_wiphy,
15159 .done = nl80211_dump_wiphy_done,
15160 /* can be retrieved by unprivileged users */
15161 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15165 static const struct genl_small_ops nl80211_small_ops[] = {
15167 .cmd = NL80211_CMD_SET_WIPHY,
15168 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15169 .doit = nl80211_set_wiphy,
15170 .flags = GENL_UNS_ADMIN_PERM,
15173 .cmd = NL80211_CMD_GET_INTERFACE,
15174 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15175 .doit = nl80211_get_interface,
15176 .dumpit = nl80211_dump_interface,
15177 /* can be retrieved by unprivileged users */
15178 .internal_flags = NL80211_FLAG_NEED_WDEV,
15181 .cmd = NL80211_CMD_SET_INTERFACE,
15182 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15183 .doit = nl80211_set_interface,
15184 .flags = GENL_UNS_ADMIN_PERM,
15185 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15186 NL80211_FLAG_NEED_RTNL,
15189 .cmd = NL80211_CMD_NEW_INTERFACE,
15190 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15191 .doit = nl80211_new_interface,
15192 .flags = GENL_UNS_ADMIN_PERM,
15193 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15194 NL80211_FLAG_NEED_RTNL |
15195 /* we take the wiphy mutex later ourselves */
15196 NL80211_FLAG_NO_WIPHY_MTX,
15199 .cmd = NL80211_CMD_DEL_INTERFACE,
15200 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15201 .doit = nl80211_del_interface,
15202 .flags = GENL_UNS_ADMIN_PERM,
15203 .internal_flags = NL80211_FLAG_NEED_WDEV |
15204 NL80211_FLAG_NEED_RTNL,
15207 .cmd = NL80211_CMD_GET_KEY,
15208 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15209 .doit = nl80211_get_key,
15210 .flags = GENL_UNS_ADMIN_PERM,
15211 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15214 .cmd = NL80211_CMD_SET_KEY,
15215 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15216 .doit = nl80211_set_key,
15217 .flags = GENL_UNS_ADMIN_PERM,
15218 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15219 NL80211_FLAG_CLEAR_SKB,
15222 .cmd = NL80211_CMD_NEW_KEY,
15223 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15224 .doit = nl80211_new_key,
15225 .flags = GENL_UNS_ADMIN_PERM,
15226 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15227 NL80211_FLAG_CLEAR_SKB,
15230 .cmd = NL80211_CMD_DEL_KEY,
15231 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15232 .doit = nl80211_del_key,
15233 .flags = GENL_UNS_ADMIN_PERM,
15234 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15237 .cmd = NL80211_CMD_SET_BEACON,
15238 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15239 .flags = GENL_UNS_ADMIN_PERM,
15240 .doit = nl80211_set_beacon,
15241 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15244 .cmd = NL80211_CMD_START_AP,
15245 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15246 .flags = GENL_UNS_ADMIN_PERM,
15247 .doit = nl80211_start_ap,
15248 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15251 .cmd = NL80211_CMD_STOP_AP,
15252 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15253 .flags = GENL_UNS_ADMIN_PERM,
15254 .doit = nl80211_stop_ap,
15255 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15258 .cmd = NL80211_CMD_GET_STATION,
15259 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15260 .doit = nl80211_get_station,
15261 .dumpit = nl80211_dump_station,
15262 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15265 .cmd = NL80211_CMD_SET_STATION,
15266 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15267 .doit = nl80211_set_station,
15268 .flags = GENL_UNS_ADMIN_PERM,
15269 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15272 .cmd = NL80211_CMD_NEW_STATION,
15273 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15274 .doit = nl80211_new_station,
15275 .flags = GENL_UNS_ADMIN_PERM,
15276 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15279 .cmd = NL80211_CMD_DEL_STATION,
15280 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15281 .doit = nl80211_del_station,
15282 .flags = GENL_UNS_ADMIN_PERM,
15283 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15286 .cmd = NL80211_CMD_GET_MPATH,
15287 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15288 .doit = nl80211_get_mpath,
15289 .dumpit = nl80211_dump_mpath,
15290 .flags = GENL_UNS_ADMIN_PERM,
15291 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15294 .cmd = NL80211_CMD_GET_MPP,
15295 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15296 .doit = nl80211_get_mpp,
15297 .dumpit = nl80211_dump_mpp,
15298 .flags = GENL_UNS_ADMIN_PERM,
15299 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15302 .cmd = NL80211_CMD_SET_MPATH,
15303 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15304 .doit = nl80211_set_mpath,
15305 .flags = GENL_UNS_ADMIN_PERM,
15306 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15309 .cmd = NL80211_CMD_NEW_MPATH,
15310 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15311 .doit = nl80211_new_mpath,
15312 .flags = GENL_UNS_ADMIN_PERM,
15313 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15316 .cmd = NL80211_CMD_DEL_MPATH,
15317 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15318 .doit = nl80211_del_mpath,
15319 .flags = GENL_UNS_ADMIN_PERM,
15320 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15323 .cmd = NL80211_CMD_SET_BSS,
15324 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15325 .doit = nl80211_set_bss,
15326 .flags = GENL_UNS_ADMIN_PERM,
15327 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15330 .cmd = NL80211_CMD_GET_REG,
15331 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15332 .doit = nl80211_get_reg_do,
15333 .dumpit = nl80211_get_reg_dump,
15334 .internal_flags = 0,
15335 /* can be retrieved by unprivileged users */
15337 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
15339 .cmd = NL80211_CMD_SET_REG,
15340 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15341 .doit = nl80211_set_reg,
15342 .flags = GENL_ADMIN_PERM,
15343 .internal_flags = 0,
15347 .cmd = NL80211_CMD_REQ_SET_REG,
15348 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15349 .doit = nl80211_req_set_reg,
15350 .flags = GENL_ADMIN_PERM,
15353 .cmd = NL80211_CMD_RELOAD_REGDB,
15354 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15355 .doit = nl80211_reload_regdb,
15356 .flags = GENL_ADMIN_PERM,
15359 .cmd = NL80211_CMD_GET_MESH_CONFIG,
15360 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15361 .doit = nl80211_get_mesh_config,
15362 /* can be retrieved by unprivileged users */
15363 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15366 .cmd = NL80211_CMD_SET_MESH_CONFIG,
15367 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15368 .doit = nl80211_update_mesh_config,
15369 .flags = GENL_UNS_ADMIN_PERM,
15370 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15373 .cmd = NL80211_CMD_TRIGGER_SCAN,
15374 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15375 .doit = nl80211_trigger_scan,
15376 .flags = GENL_UNS_ADMIN_PERM,
15377 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15380 .cmd = NL80211_CMD_ABORT_SCAN,
15381 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15382 .doit = nl80211_abort_scan,
15383 .flags = GENL_UNS_ADMIN_PERM,
15384 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15387 .cmd = NL80211_CMD_GET_SCAN,
15388 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15389 .dumpit = nl80211_dump_scan,
15392 .cmd = NL80211_CMD_START_SCHED_SCAN,
15393 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15394 .doit = nl80211_start_sched_scan,
15395 .flags = GENL_UNS_ADMIN_PERM,
15396 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15399 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
15400 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15401 .doit = nl80211_stop_sched_scan,
15402 .flags = GENL_UNS_ADMIN_PERM,
15403 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15406 .cmd = NL80211_CMD_AUTHENTICATE,
15407 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15408 .doit = nl80211_authenticate,
15409 .flags = GENL_UNS_ADMIN_PERM,
15410 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15412 NL80211_FLAG_CLEAR_SKB,
15415 .cmd = NL80211_CMD_ASSOCIATE,
15416 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15417 .doit = nl80211_associate,
15418 .flags = GENL_UNS_ADMIN_PERM,
15419 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15421 NL80211_FLAG_CLEAR_SKB,
15424 .cmd = NL80211_CMD_DEAUTHENTICATE,
15425 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15426 .doit = nl80211_deauthenticate,
15427 .flags = GENL_UNS_ADMIN_PERM,
15428 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15431 .cmd = NL80211_CMD_DISASSOCIATE,
15432 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15433 .doit = nl80211_disassociate,
15434 .flags = GENL_UNS_ADMIN_PERM,
15435 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15438 .cmd = NL80211_CMD_JOIN_IBSS,
15439 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15440 .doit = nl80211_join_ibss,
15441 .flags = GENL_UNS_ADMIN_PERM,
15442 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15445 .cmd = NL80211_CMD_LEAVE_IBSS,
15446 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15447 .doit = nl80211_leave_ibss,
15448 .flags = GENL_UNS_ADMIN_PERM,
15449 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15451 #ifdef CONFIG_NL80211_TESTMODE
15453 .cmd = NL80211_CMD_TESTMODE,
15454 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15455 .doit = nl80211_testmode_do,
15456 .dumpit = nl80211_testmode_dump,
15457 .flags = GENL_UNS_ADMIN_PERM,
15458 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15462 .cmd = NL80211_CMD_CONNECT,
15463 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15464 .doit = nl80211_connect,
15465 .flags = GENL_UNS_ADMIN_PERM,
15466 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15468 NL80211_FLAG_CLEAR_SKB,
15471 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
15472 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15473 .doit = nl80211_update_connect_params,
15474 .flags = GENL_ADMIN_PERM,
15475 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15477 NL80211_FLAG_CLEAR_SKB,
15480 .cmd = NL80211_CMD_DISCONNECT,
15481 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15482 .doit = nl80211_disconnect,
15483 .flags = GENL_UNS_ADMIN_PERM,
15484 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15487 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
15488 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15489 .doit = nl80211_wiphy_netns,
15490 .flags = GENL_UNS_ADMIN_PERM,
15491 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15492 NL80211_FLAG_NEED_RTNL |
15493 NL80211_FLAG_NO_WIPHY_MTX,
15496 .cmd = NL80211_CMD_GET_SURVEY,
15497 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15498 .dumpit = nl80211_dump_survey,
15501 .cmd = NL80211_CMD_SET_PMKSA,
15502 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15503 .doit = nl80211_setdel_pmksa,
15504 .flags = GENL_UNS_ADMIN_PERM,
15505 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15507 NL80211_FLAG_CLEAR_SKB,
15510 .cmd = NL80211_CMD_DEL_PMKSA,
15511 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15512 .doit = nl80211_setdel_pmksa,
15513 .flags = GENL_UNS_ADMIN_PERM,
15514 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15517 .cmd = NL80211_CMD_FLUSH_PMKSA,
15518 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15519 .doit = nl80211_flush_pmksa,
15520 .flags = GENL_UNS_ADMIN_PERM,
15521 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15524 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
15525 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15526 .doit = nl80211_remain_on_channel,
15527 .flags = GENL_UNS_ADMIN_PERM,
15528 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15531 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15532 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15533 .doit = nl80211_cancel_remain_on_channel,
15534 .flags = GENL_UNS_ADMIN_PERM,
15535 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15538 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
15539 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15540 .doit = nl80211_set_tx_bitrate_mask,
15541 .flags = GENL_UNS_ADMIN_PERM,
15542 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15545 .cmd = NL80211_CMD_REGISTER_FRAME,
15546 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15547 .doit = nl80211_register_mgmt,
15548 .flags = GENL_UNS_ADMIN_PERM,
15549 .internal_flags = NL80211_FLAG_NEED_WDEV,
15552 .cmd = NL80211_CMD_FRAME,
15553 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15554 .doit = nl80211_tx_mgmt,
15555 .flags = GENL_UNS_ADMIN_PERM,
15556 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15559 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
15560 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15561 .doit = nl80211_tx_mgmt_cancel_wait,
15562 .flags = GENL_UNS_ADMIN_PERM,
15563 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15566 .cmd = NL80211_CMD_SET_POWER_SAVE,
15567 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15568 .doit = nl80211_set_power_save,
15569 .flags = GENL_UNS_ADMIN_PERM,
15570 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15573 .cmd = NL80211_CMD_GET_POWER_SAVE,
15574 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15575 .doit = nl80211_get_power_save,
15576 /* can be retrieved by unprivileged users */
15577 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15580 .cmd = NL80211_CMD_SET_CQM,
15581 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15582 .doit = nl80211_set_cqm,
15583 .flags = GENL_UNS_ADMIN_PERM,
15584 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15587 .cmd = NL80211_CMD_SET_CHANNEL,
15588 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15589 .doit = nl80211_set_channel,
15590 .flags = GENL_UNS_ADMIN_PERM,
15591 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15594 .cmd = NL80211_CMD_JOIN_MESH,
15595 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15596 .doit = nl80211_join_mesh,
15597 .flags = GENL_UNS_ADMIN_PERM,
15598 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15601 .cmd = NL80211_CMD_LEAVE_MESH,
15602 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15603 .doit = nl80211_leave_mesh,
15604 .flags = GENL_UNS_ADMIN_PERM,
15605 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15608 .cmd = NL80211_CMD_JOIN_OCB,
15609 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15610 .doit = nl80211_join_ocb,
15611 .flags = GENL_UNS_ADMIN_PERM,
15612 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15615 .cmd = NL80211_CMD_LEAVE_OCB,
15616 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15617 .doit = nl80211_leave_ocb,
15618 .flags = GENL_UNS_ADMIN_PERM,
15619 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15623 .cmd = NL80211_CMD_GET_WOWLAN,
15624 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15625 .doit = nl80211_get_wowlan,
15626 /* can be retrieved by unprivileged users */
15627 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15630 .cmd = NL80211_CMD_SET_WOWLAN,
15631 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15632 .doit = nl80211_set_wowlan,
15633 .flags = GENL_UNS_ADMIN_PERM,
15634 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15638 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
15639 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15640 .doit = nl80211_set_rekey_data,
15641 .flags = GENL_UNS_ADMIN_PERM,
15642 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15644 NL80211_FLAG_CLEAR_SKB,
15647 .cmd = NL80211_CMD_TDLS_MGMT,
15648 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15649 .doit = nl80211_tdls_mgmt,
15650 .flags = GENL_UNS_ADMIN_PERM,
15651 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15654 .cmd = NL80211_CMD_TDLS_OPER,
15655 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15656 .doit = nl80211_tdls_oper,
15657 .flags = GENL_UNS_ADMIN_PERM,
15658 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15661 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
15662 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15663 .doit = nl80211_register_unexpected_frame,
15664 .flags = GENL_UNS_ADMIN_PERM,
15665 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15668 .cmd = NL80211_CMD_PROBE_CLIENT,
15669 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15670 .doit = nl80211_probe_client,
15671 .flags = GENL_UNS_ADMIN_PERM,
15672 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15675 .cmd = NL80211_CMD_REGISTER_BEACONS,
15676 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15677 .doit = nl80211_register_beacons,
15678 .flags = GENL_UNS_ADMIN_PERM,
15679 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15682 .cmd = NL80211_CMD_SET_NOACK_MAP,
15683 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15684 .doit = nl80211_set_noack_map,
15685 .flags = GENL_UNS_ADMIN_PERM,
15686 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15689 .cmd = NL80211_CMD_START_P2P_DEVICE,
15690 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15691 .doit = nl80211_start_p2p_device,
15692 .flags = GENL_UNS_ADMIN_PERM,
15693 .internal_flags = NL80211_FLAG_NEED_WDEV |
15694 NL80211_FLAG_NEED_RTNL,
15697 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
15698 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15699 .doit = nl80211_stop_p2p_device,
15700 .flags = GENL_UNS_ADMIN_PERM,
15701 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15702 NL80211_FLAG_NEED_RTNL,
15705 .cmd = NL80211_CMD_START_NAN,
15706 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15707 .doit = nl80211_start_nan,
15708 .flags = GENL_ADMIN_PERM,
15709 .internal_flags = NL80211_FLAG_NEED_WDEV |
15710 NL80211_FLAG_NEED_RTNL,
15713 .cmd = NL80211_CMD_STOP_NAN,
15714 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15715 .doit = nl80211_stop_nan,
15716 .flags = GENL_ADMIN_PERM,
15717 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15718 NL80211_FLAG_NEED_RTNL,
15721 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
15722 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15723 .doit = nl80211_nan_add_func,
15724 .flags = GENL_ADMIN_PERM,
15725 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15728 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
15729 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15730 .doit = nl80211_nan_del_func,
15731 .flags = GENL_ADMIN_PERM,
15732 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15735 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
15736 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15737 .doit = nl80211_nan_change_config,
15738 .flags = GENL_ADMIN_PERM,
15739 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15742 .cmd = NL80211_CMD_SET_MCAST_RATE,
15743 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15744 .doit = nl80211_set_mcast_rate,
15745 .flags = GENL_UNS_ADMIN_PERM,
15746 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15749 .cmd = NL80211_CMD_SET_MAC_ACL,
15750 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15751 .doit = nl80211_set_mac_acl,
15752 .flags = GENL_UNS_ADMIN_PERM,
15753 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15756 .cmd = NL80211_CMD_RADAR_DETECT,
15757 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15758 .doit = nl80211_start_radar_detection,
15759 .flags = GENL_UNS_ADMIN_PERM,
15760 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15763 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
15764 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15765 .doit = nl80211_get_protocol_features,
15768 .cmd = NL80211_CMD_UPDATE_FT_IES,
15769 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15770 .doit = nl80211_update_ft_ies,
15771 .flags = GENL_UNS_ADMIN_PERM,
15772 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15775 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
15776 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15777 .doit = nl80211_crit_protocol_start,
15778 .flags = GENL_UNS_ADMIN_PERM,
15779 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15782 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
15783 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15784 .doit = nl80211_crit_protocol_stop,
15785 .flags = GENL_UNS_ADMIN_PERM,
15786 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15789 .cmd = NL80211_CMD_GET_COALESCE,
15790 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15791 .doit = nl80211_get_coalesce,
15792 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15795 .cmd = NL80211_CMD_SET_COALESCE,
15796 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15797 .doit = nl80211_set_coalesce,
15798 .flags = GENL_UNS_ADMIN_PERM,
15799 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15802 .cmd = NL80211_CMD_CHANNEL_SWITCH,
15803 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15804 .doit = nl80211_channel_switch,
15805 .flags = GENL_UNS_ADMIN_PERM,
15806 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15809 .cmd = NL80211_CMD_VENDOR,
15810 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15811 .doit = nl80211_vendor_cmd,
15812 .dumpit = nl80211_vendor_cmd_dump,
15813 .flags = GENL_UNS_ADMIN_PERM,
15814 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15816 NL80211_FLAG_CLEAR_SKB,
15819 .cmd = NL80211_CMD_SET_QOS_MAP,
15820 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15821 .doit = nl80211_set_qos_map,
15822 .flags = GENL_UNS_ADMIN_PERM,
15823 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15826 .cmd = NL80211_CMD_ADD_TX_TS,
15827 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15828 .doit = nl80211_add_tx_ts,
15829 .flags = GENL_UNS_ADMIN_PERM,
15830 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15833 .cmd = NL80211_CMD_DEL_TX_TS,
15834 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15835 .doit = nl80211_del_tx_ts,
15836 .flags = GENL_UNS_ADMIN_PERM,
15837 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15840 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
15841 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15842 .doit = nl80211_tdls_channel_switch,
15843 .flags = GENL_UNS_ADMIN_PERM,
15844 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15847 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
15848 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15849 .doit = nl80211_tdls_cancel_channel_switch,
15850 .flags = GENL_UNS_ADMIN_PERM,
15851 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15854 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
15855 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15856 .doit = nl80211_set_multicast_to_unicast,
15857 .flags = GENL_UNS_ADMIN_PERM,
15858 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15861 .cmd = NL80211_CMD_SET_PMK,
15862 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15863 .doit = nl80211_set_pmk,
15864 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15866 NL80211_FLAG_CLEAR_SKB,
15869 .cmd = NL80211_CMD_DEL_PMK,
15870 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15871 .doit = nl80211_del_pmk,
15872 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15875 .cmd = NL80211_CMD_EXTERNAL_AUTH,
15876 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15877 .doit = nl80211_external_auth,
15878 .flags = GENL_ADMIN_PERM,
15879 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15882 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
15883 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15884 .doit = nl80211_tx_control_port,
15885 .flags = GENL_UNS_ADMIN_PERM,
15886 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15889 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
15890 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15891 .doit = nl80211_get_ftm_responder_stats,
15892 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15895 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
15896 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15897 .doit = nl80211_pmsr_start,
15898 .flags = GENL_UNS_ADMIN_PERM,
15899 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15902 .cmd = NL80211_CMD_NOTIFY_RADAR,
15903 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15904 .doit = nl80211_notify_radar_detection,
15905 .flags = GENL_UNS_ADMIN_PERM,
15906 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15909 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
15910 .doit = nl80211_update_owe_info,
15911 .flags = GENL_ADMIN_PERM,
15912 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15915 .cmd = NL80211_CMD_PROBE_MESH_LINK,
15916 .doit = nl80211_probe_mesh_link,
15917 .flags = GENL_UNS_ADMIN_PERM,
15918 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15921 .cmd = NL80211_CMD_SET_TID_CONFIG,
15922 .doit = nl80211_set_tid_config,
15923 .flags = GENL_UNS_ADMIN_PERM,
15924 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15927 .cmd = NL80211_CMD_SET_SAR_SPECS,
15928 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15929 .doit = nl80211_set_sar_specs,
15930 .flags = GENL_UNS_ADMIN_PERM,
15931 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15932 NL80211_FLAG_NEED_RTNL,
15935 .cmd = NL80211_CMD_COLOR_CHANGE_REQUEST,
15936 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15937 .doit = nl80211_color_change,
15938 .flags = GENL_UNS_ADMIN_PERM,
15939 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15943 static struct genl_family nl80211_fam __ro_after_init = {
15944 .name = NL80211_GENL_NAME, /* have users key off the name instead */
15945 .hdrsize = 0, /* no private header */
15946 .version = 1, /* no particular meaning now */
15947 .maxattr = NL80211_ATTR_MAX,
15948 .policy = nl80211_policy,
15950 .pre_doit = nl80211_pre_doit,
15951 .post_doit = nl80211_post_doit,
15952 .module = THIS_MODULE,
15953 .ops = nl80211_ops,
15954 .n_ops = ARRAY_SIZE(nl80211_ops),
15955 .small_ops = nl80211_small_ops,
15956 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
15957 .mcgrps = nl80211_mcgrps,
15958 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
15959 .parallel_ops = true,
15962 /* notification functions */
15964 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
15965 enum nl80211_commands cmd)
15967 struct sk_buff *msg;
15968 struct nl80211_dump_wiphy_state state = {};
15970 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
15971 cmd != NL80211_CMD_DEL_WIPHY);
15973 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15977 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
15982 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15983 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15986 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
15987 struct wireless_dev *wdev,
15988 enum nl80211_commands cmd)
15990 struct sk_buff *msg;
15992 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15996 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
16001 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16002 NL80211_MCGRP_CONFIG, GFP_KERNEL);
16005 static int nl80211_add_scan_req(struct sk_buff *msg,
16006 struct cfg80211_registered_device *rdev)
16008 struct cfg80211_scan_request *req = rdev->scan_req;
16009 struct nlattr *nest;
16011 struct cfg80211_scan_info *info;
16016 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
16018 goto nla_put_failure;
16019 for (i = 0; i < req->n_ssids; i++) {
16020 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
16021 goto nla_put_failure;
16023 nla_nest_end(msg, nest);
16025 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
16026 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
16028 goto nla_put_failure;
16029 for (i = 0; i < req->n_channels; i++) {
16030 if (nla_put_u32(msg, i,
16031 ieee80211_channel_to_khz(req->channels[i])))
16032 goto nla_put_failure;
16034 nla_nest_end(msg, nest);
16036 nest = nla_nest_start_noflag(msg,
16037 NL80211_ATTR_SCAN_FREQUENCIES);
16039 goto nla_put_failure;
16040 for (i = 0; i < req->n_channels; i++) {
16041 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
16042 goto nla_put_failure;
16044 nla_nest_end(msg, nest);
16048 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
16049 goto nla_put_failure;
16052 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
16053 goto nla_put_failure;
16055 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
16056 &rdev->scan_req->info;
16057 if (info->scan_start_tsf &&
16058 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
16059 info->scan_start_tsf, NL80211_BSS_PAD) ||
16060 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
16062 goto nla_put_failure;
16069 static int nl80211_prep_scan_msg(struct sk_buff *msg,
16070 struct cfg80211_registered_device *rdev,
16071 struct wireless_dev *wdev,
16072 u32 portid, u32 seq, int flags,
16077 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
16081 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16082 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16083 wdev->netdev->ifindex)) ||
16084 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16086 goto nla_put_failure;
16088 /* ignore errors and send incomplete event anyway */
16089 nl80211_add_scan_req(msg, rdev);
16091 genlmsg_end(msg, hdr);
16095 genlmsg_cancel(msg, hdr);
16100 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
16101 struct cfg80211_sched_scan_request *req, u32 cmd)
16105 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16109 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
16110 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
16111 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
16112 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
16114 goto nla_put_failure;
16116 genlmsg_end(msg, hdr);
16120 genlmsg_cancel(msg, hdr);
16124 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
16125 struct wireless_dev *wdev)
16127 struct sk_buff *msg;
16129 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16133 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
16134 NL80211_CMD_TRIGGER_SCAN) < 0) {
16139 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16140 NL80211_MCGRP_SCAN, GFP_KERNEL);
16143 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
16144 struct wireless_dev *wdev, bool aborted)
16146 struct sk_buff *msg;
16148 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16152 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
16153 aborted ? NL80211_CMD_SCAN_ABORTED :
16154 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
16162 /* send message created by nl80211_build_scan_msg() */
16163 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
16164 struct sk_buff *msg)
16169 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16170 NL80211_MCGRP_SCAN, GFP_KERNEL);
16173 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
16175 struct sk_buff *msg;
16177 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16181 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
16186 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
16187 NL80211_MCGRP_SCAN, GFP_KERNEL);
16190 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
16191 struct regulatory_request *request)
16193 /* Userspace can always count this one always being set */
16194 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
16195 goto nla_put_failure;
16197 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
16198 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16199 NL80211_REGDOM_TYPE_WORLD))
16200 goto nla_put_failure;
16201 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
16202 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16203 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
16204 goto nla_put_failure;
16205 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
16206 request->intersect) {
16207 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16208 NL80211_REGDOM_TYPE_INTERSECTION))
16209 goto nla_put_failure;
16211 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16212 NL80211_REGDOM_TYPE_COUNTRY) ||
16213 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
16215 goto nla_put_failure;
16218 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
16219 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
16222 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
16223 goto nla_put_failure;
16226 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
16227 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
16228 goto nla_put_failure;
16238 * This can happen on global regulatory changes or device specific settings
16239 * based on custom regulatory domains.
16241 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
16242 struct regulatory_request *request)
16244 struct sk_buff *msg;
16247 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16251 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
16253 goto nla_put_failure;
16255 if (!nl80211_reg_change_event_fill(msg, request))
16256 goto nla_put_failure;
16258 genlmsg_end(msg, hdr);
16261 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16262 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16271 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
16272 struct net_device *netdev,
16273 const u8 *buf, size_t len,
16274 enum nl80211_commands cmd, gfp_t gfp,
16275 int uapsd_queues, const u8 *req_ies,
16276 size_t req_ies_len, bool reconnect)
16278 struct sk_buff *msg;
16281 msg = nlmsg_new(100 + len + req_ies_len, gfp);
16285 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16291 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16292 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16293 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16295 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
16296 goto nla_put_failure;
16298 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
16299 goto nla_put_failure;
16301 if (uapsd_queues >= 0) {
16302 struct nlattr *nla_wmm =
16303 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
16305 goto nla_put_failure;
16307 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
16309 goto nla_put_failure;
16311 nla_nest_end(msg, nla_wmm);
16314 genlmsg_end(msg, hdr);
16316 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16317 NL80211_MCGRP_MLME, gfp);
16324 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
16325 struct net_device *netdev, const u8 *buf,
16326 size_t len, gfp_t gfp)
16328 nl80211_send_mlme_event(rdev, netdev, buf, len,
16329 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
16333 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
16334 struct net_device *netdev, const u8 *buf,
16335 size_t len, gfp_t gfp, int uapsd_queues,
16336 const u8 *req_ies, size_t req_ies_len)
16338 nl80211_send_mlme_event(rdev, netdev, buf, len,
16339 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
16340 req_ies, req_ies_len, false);
16343 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
16344 struct net_device *netdev, const u8 *buf,
16345 size_t len, bool reconnect, gfp_t gfp)
16347 nl80211_send_mlme_event(rdev, netdev, buf, len,
16348 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
16352 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
16353 struct net_device *netdev, const u8 *buf,
16354 size_t len, bool reconnect, gfp_t gfp)
16356 nl80211_send_mlme_event(rdev, netdev, buf, len,
16357 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
16361 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
16364 struct wireless_dev *wdev = dev->ieee80211_ptr;
16365 struct wiphy *wiphy = wdev->wiphy;
16366 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16367 const struct ieee80211_mgmt *mgmt = (void *)buf;
16370 if (WARN_ON(len < 2))
16373 if (ieee80211_is_deauth(mgmt->frame_control)) {
16374 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
16375 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
16376 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
16377 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
16378 if (wdev->unprot_beacon_reported &&
16379 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
16381 cmd = NL80211_CMD_UNPROT_BEACON;
16382 wdev->unprot_beacon_reported = jiffies;
16387 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
16388 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
16391 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
16393 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
16394 struct net_device *netdev, int cmd,
16395 const u8 *addr, gfp_t gfp)
16397 struct sk_buff *msg;
16400 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16404 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16410 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16411 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16412 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16413 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16414 goto nla_put_failure;
16416 genlmsg_end(msg, hdr);
16418 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16419 NL80211_MCGRP_MLME, gfp);
16426 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
16427 struct net_device *netdev, const u8 *addr,
16430 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
16434 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
16435 struct net_device *netdev, const u8 *addr,
16438 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
16442 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
16443 struct net_device *netdev,
16444 struct cfg80211_connect_resp_params *cr,
16447 struct sk_buff *msg;
16450 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
16451 cr->fils.kek_len + cr->fils.pmk_len +
16452 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16456 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
16462 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16463 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16465 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
16466 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
16467 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
16470 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16471 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
16472 cr->timeout_reason))) ||
16474 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
16476 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
16478 (cr->fils.update_erp_next_seq_num &&
16479 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16480 cr->fils.erp_next_seq_num)) ||
16481 (cr->status == WLAN_STATUS_SUCCESS &&
16483 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
16486 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
16488 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
16489 goto nla_put_failure;
16491 genlmsg_end(msg, hdr);
16493 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16494 NL80211_MCGRP_MLME, gfp);
16501 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
16502 struct net_device *netdev,
16503 struct cfg80211_roam_info *info, gfp_t gfp)
16505 struct sk_buff *msg;
16507 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
16509 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
16510 info->fils.kek_len + info->fils.pmk_len +
16511 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16515 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
16521 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16522 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16523 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
16525 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
16528 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
16530 (info->fils.update_erp_next_seq_num &&
16531 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16532 info->fils.erp_next_seq_num)) ||
16534 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
16535 info->fils.kek)) ||
16537 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
16538 (info->fils.pmkid &&
16539 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
16540 goto nla_put_failure;
16542 genlmsg_end(msg, hdr);
16544 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16545 NL80211_MCGRP_MLME, gfp);
16552 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
16553 struct net_device *netdev, const u8 *bssid)
16555 struct sk_buff *msg;
16558 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16562 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
16568 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16569 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16570 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16571 goto nla_put_failure;
16573 genlmsg_end(msg, hdr);
16575 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16576 NL80211_MCGRP_MLME, GFP_KERNEL);
16583 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
16584 struct net_device *netdev, u16 reason,
16585 const u8 *ie, size_t ie_len, bool from_ap)
16587 struct sk_buff *msg;
16590 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
16594 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
16600 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16601 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16603 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
16605 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
16606 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
16607 goto nla_put_failure;
16609 genlmsg_end(msg, hdr);
16611 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16612 NL80211_MCGRP_MLME, GFP_KERNEL);
16619 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
16620 struct net_device *netdev, const u8 *bssid,
16623 struct sk_buff *msg;
16626 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16630 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
16636 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16637 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16638 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16639 goto nla_put_failure;
16641 genlmsg_end(msg, hdr);
16643 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16644 NL80211_MCGRP_MLME, gfp);
16651 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
16652 const u8 *ie, u8 ie_len,
16653 int sig_dbm, gfp_t gfp)
16655 struct wireless_dev *wdev = dev->ieee80211_ptr;
16656 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16657 struct sk_buff *msg;
16660 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
16663 trace_cfg80211_notify_new_peer_candidate(dev, addr);
16665 msg = nlmsg_new(100 + ie_len, gfp);
16669 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
16675 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16676 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16677 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16679 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
16681 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
16682 goto nla_put_failure;
16684 genlmsg_end(msg, hdr);
16686 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16687 NL80211_MCGRP_MLME, gfp);
16693 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
16695 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
16696 struct net_device *netdev, const u8 *addr,
16697 enum nl80211_key_type key_type, int key_id,
16698 const u8 *tsc, gfp_t gfp)
16700 struct sk_buff *msg;
16703 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16707 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
16713 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16714 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16715 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
16716 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
16718 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
16719 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
16720 goto nla_put_failure;
16722 genlmsg_end(msg, hdr);
16724 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16725 NL80211_MCGRP_MLME, gfp);
16732 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
16733 struct ieee80211_channel *channel_before,
16734 struct ieee80211_channel *channel_after)
16736 struct sk_buff *msg;
16738 struct nlattr *nl_freq;
16740 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
16744 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
16751 * Since we are applying the beacon hint to a wiphy we know its
16752 * wiphy_idx is valid
16754 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
16755 goto nla_put_failure;
16758 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
16760 goto nla_put_failure;
16762 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
16763 goto nla_put_failure;
16764 nla_nest_end(msg, nl_freq);
16767 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
16769 goto nla_put_failure;
16771 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
16772 goto nla_put_failure;
16773 nla_nest_end(msg, nl_freq);
16775 genlmsg_end(msg, hdr);
16778 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16779 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16788 static void nl80211_send_remain_on_chan_event(
16789 int cmd, struct cfg80211_registered_device *rdev,
16790 struct wireless_dev *wdev, u64 cookie,
16791 struct ieee80211_channel *chan,
16792 unsigned int duration, gfp_t gfp)
16794 struct sk_buff *msg;
16797 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16801 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16807 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16808 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16809 wdev->netdev->ifindex)) ||
16810 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16811 NL80211_ATTR_PAD) ||
16812 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
16813 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
16814 NL80211_CHAN_NO_HT) ||
16815 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16817 goto nla_put_failure;
16819 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
16820 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
16821 goto nla_put_failure;
16823 genlmsg_end(msg, hdr);
16825 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16826 NL80211_MCGRP_MLME, gfp);
16833 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
16834 struct ieee80211_channel *chan,
16835 unsigned int duration, gfp_t gfp)
16837 struct wiphy *wiphy = wdev->wiphy;
16838 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16840 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
16841 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
16842 rdev, wdev, cookie, chan,
16845 EXPORT_SYMBOL(cfg80211_ready_on_channel);
16847 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
16848 struct ieee80211_channel *chan,
16851 struct wiphy *wiphy = wdev->wiphy;
16852 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16854 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
16855 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
16856 rdev, wdev, cookie, chan, 0, gfp);
16858 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
16860 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
16861 struct ieee80211_channel *chan,
16864 struct wiphy *wiphy = wdev->wiphy;
16865 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16867 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
16868 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
16869 rdev, wdev, cookie, chan, 0, gfp);
16871 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
16873 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
16874 struct station_info *sinfo, gfp_t gfp)
16876 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16877 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16878 struct sk_buff *msg;
16880 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
16882 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16886 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
16887 rdev, dev, mac_addr, sinfo) < 0) {
16892 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16893 NL80211_MCGRP_MLME, gfp);
16895 EXPORT_SYMBOL(cfg80211_new_sta);
16897 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
16898 struct station_info *sinfo, gfp_t gfp)
16900 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16901 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16902 struct sk_buff *msg;
16903 struct station_info empty_sinfo = {};
16906 sinfo = &empty_sinfo;
16908 trace_cfg80211_del_sta(dev, mac_addr);
16910 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16912 cfg80211_sinfo_release_content(sinfo);
16916 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
16917 rdev, dev, mac_addr, sinfo) < 0) {
16922 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16923 NL80211_MCGRP_MLME, gfp);
16925 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
16927 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
16928 enum nl80211_connect_failed_reason reason,
16931 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16932 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16933 struct sk_buff *msg;
16936 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
16940 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
16946 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16947 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
16948 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
16949 goto nla_put_failure;
16951 genlmsg_end(msg, hdr);
16953 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16954 NL80211_MCGRP_MLME, gfp);
16960 EXPORT_SYMBOL(cfg80211_conn_failed);
16962 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
16963 const u8 *addr, gfp_t gfp)
16965 struct wireless_dev *wdev = dev->ieee80211_ptr;
16966 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16967 struct sk_buff *msg;
16969 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
16974 msg = nlmsg_new(100, gfp);
16978 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16984 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16985 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16986 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16987 goto nla_put_failure;
16989 genlmsg_end(msg, hdr);
16990 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16998 bool cfg80211_rx_spurious_frame(struct net_device *dev,
16999 const u8 *addr, gfp_t gfp)
17001 struct wireless_dev *wdev = dev->ieee80211_ptr;
17004 trace_cfg80211_rx_spurious_frame(dev, addr);
17006 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
17007 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
17008 trace_cfg80211_return_bool(false);
17011 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
17013 trace_cfg80211_return_bool(ret);
17016 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
17018 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
17019 const u8 *addr, gfp_t gfp)
17021 struct wireless_dev *wdev = dev->ieee80211_ptr;
17024 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
17026 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
17027 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
17028 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
17029 trace_cfg80211_return_bool(false);
17032 ret = __nl80211_unexpected_frame(dev,
17033 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
17035 trace_cfg80211_return_bool(ret);
17038 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
17040 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
17041 struct wireless_dev *wdev, u32 nlportid,
17042 int freq, int sig_dbm,
17043 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
17045 struct net_device *netdev = wdev->netdev;
17046 struct sk_buff *msg;
17049 msg = nlmsg_new(100 + len, gfp);
17053 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
17059 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17060 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17061 netdev->ifindex)) ||
17062 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17063 NL80211_ATTR_PAD) ||
17064 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(freq)) ||
17065 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, freq % 1000) ||
17067 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
17068 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
17070 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
17071 goto nla_put_failure;
17073 genlmsg_end(msg, hdr);
17075 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17082 static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie,
17083 const u8 *buf, size_t len, bool ack,
17084 gfp_t gfp, enum nl80211_commands command)
17086 struct wiphy *wiphy = wdev->wiphy;
17087 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17088 struct net_device *netdev = wdev->netdev;
17089 struct sk_buff *msg;
17092 if (command == NL80211_CMD_FRAME_TX_STATUS)
17093 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
17095 trace_cfg80211_control_port_tx_status(wdev, cookie, ack);
17097 msg = nlmsg_new(100 + len, gfp);
17101 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
17107 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17108 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17109 netdev->ifindex)) ||
17110 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17111 NL80211_ATTR_PAD) ||
17112 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
17113 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
17114 NL80211_ATTR_PAD) ||
17115 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
17116 goto nla_put_failure;
17118 genlmsg_end(msg, hdr);
17120 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17121 NL80211_MCGRP_MLME, gfp);
17128 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
17129 const u8 *buf, size_t len, bool ack,
17132 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
17133 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
17135 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
17137 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
17138 const u8 *buf, size_t len, bool ack, gfp_t gfp)
17140 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
17141 NL80211_CMD_FRAME_TX_STATUS);
17143 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
17145 static int __nl80211_rx_control_port(struct net_device *dev,
17146 struct sk_buff *skb,
17147 bool unencrypted, gfp_t gfp)
17149 struct wireless_dev *wdev = dev->ieee80211_ptr;
17150 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17151 struct ethhdr *ehdr = eth_hdr(skb);
17152 const u8 *addr = ehdr->h_source;
17153 u16 proto = be16_to_cpu(skb->protocol);
17154 struct sk_buff *msg;
17156 struct nlattr *frame;
17158 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
17163 msg = nlmsg_new(100 + skb->len, gfp);
17167 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
17173 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17174 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17175 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17176 NL80211_ATTR_PAD) ||
17177 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17178 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
17179 (unencrypted && nla_put_flag(msg,
17180 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
17181 goto nla_put_failure;
17183 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
17185 goto nla_put_failure;
17187 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
17188 genlmsg_end(msg, hdr);
17190 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17197 bool cfg80211_rx_control_port(struct net_device *dev,
17198 struct sk_buff *skb, bool unencrypted)
17202 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
17203 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
17204 trace_cfg80211_return_bool(ret == 0);
17207 EXPORT_SYMBOL(cfg80211_rx_control_port);
17209 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
17210 const char *mac, gfp_t gfp)
17212 struct wireless_dev *wdev = dev->ieee80211_ptr;
17213 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17214 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17220 cb = (void **)msg->cb;
17222 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
17228 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17229 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17230 goto nla_put_failure;
17232 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17233 goto nla_put_failure;
17235 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
17237 goto nla_put_failure;
17247 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
17249 void **cb = (void **)msg->cb;
17250 struct cfg80211_registered_device *rdev = cb[2];
17252 nla_nest_end(msg, cb[1]);
17253 genlmsg_end(msg, cb[0]);
17255 memset(msg->cb, 0, sizeof(msg->cb));
17257 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17258 NL80211_MCGRP_MLME, gfp);
17261 void cfg80211_cqm_rssi_notify(struct net_device *dev,
17262 enum nl80211_cqm_rssi_threshold_event rssi_event,
17263 s32 rssi_level, gfp_t gfp)
17265 struct sk_buff *msg;
17266 struct wireless_dev *wdev = dev->ieee80211_ptr;
17267 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17269 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
17271 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
17272 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
17275 if (wdev->cqm_config) {
17276 wdev->cqm_config->last_rssi_event_value = rssi_level;
17278 cfg80211_cqm_rssi_update(rdev, dev);
17280 if (rssi_level == 0)
17281 rssi_level = wdev->cqm_config->last_rssi_event_value;
17284 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17288 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
17290 goto nla_put_failure;
17292 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
17294 goto nla_put_failure;
17296 cfg80211_send_cqm(msg, gfp);
17303 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
17305 void cfg80211_cqm_txe_notify(struct net_device *dev,
17306 const u8 *peer, u32 num_packets,
17307 u32 rate, u32 intvl, gfp_t gfp)
17309 struct sk_buff *msg;
17311 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17315 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
17316 goto nla_put_failure;
17318 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
17319 goto nla_put_failure;
17321 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
17322 goto nla_put_failure;
17324 cfg80211_send_cqm(msg, gfp);
17330 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
17332 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
17333 const u8 *peer, u32 num_packets, gfp_t gfp)
17335 struct sk_buff *msg;
17337 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
17339 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17343 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
17344 goto nla_put_failure;
17346 cfg80211_send_cqm(msg, gfp);
17352 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
17354 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
17356 struct sk_buff *msg;
17358 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17362 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
17363 goto nla_put_failure;
17365 cfg80211_send_cqm(msg, gfp);
17371 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
17373 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
17374 struct net_device *netdev, const u8 *bssid,
17375 const u8 *replay_ctr, gfp_t gfp)
17377 struct sk_buff *msg;
17378 struct nlattr *rekey_attr;
17381 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17385 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
17391 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17392 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17393 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
17394 goto nla_put_failure;
17396 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
17398 goto nla_put_failure;
17400 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
17401 NL80211_REPLAY_CTR_LEN, replay_ctr))
17402 goto nla_put_failure;
17404 nla_nest_end(msg, rekey_attr);
17406 genlmsg_end(msg, hdr);
17408 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17409 NL80211_MCGRP_MLME, gfp);
17416 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
17417 const u8 *replay_ctr, gfp_t gfp)
17419 struct wireless_dev *wdev = dev->ieee80211_ptr;
17420 struct wiphy *wiphy = wdev->wiphy;
17421 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17423 trace_cfg80211_gtk_rekey_notify(dev, bssid);
17424 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
17426 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
17429 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
17430 struct net_device *netdev, int index,
17431 const u8 *bssid, bool preauth, gfp_t gfp)
17433 struct sk_buff *msg;
17434 struct nlattr *attr;
17437 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17441 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
17447 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17448 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17449 goto nla_put_failure;
17451 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
17453 goto nla_put_failure;
17455 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
17456 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
17458 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
17459 goto nla_put_failure;
17461 nla_nest_end(msg, attr);
17463 genlmsg_end(msg, hdr);
17465 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17466 NL80211_MCGRP_MLME, gfp);
17473 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
17474 const u8 *bssid, bool preauth, gfp_t gfp)
17476 struct wireless_dev *wdev = dev->ieee80211_ptr;
17477 struct wiphy *wiphy = wdev->wiphy;
17478 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17480 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
17481 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
17483 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
17485 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
17486 struct net_device *netdev,
17487 struct cfg80211_chan_def *chandef,
17489 enum nl80211_commands notif,
17490 u8 count, bool quiet)
17492 struct sk_buff *msg;
17495 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17499 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
17505 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17506 goto nla_put_failure;
17508 if (nl80211_send_chandef(msg, chandef))
17509 goto nla_put_failure;
17511 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
17512 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
17513 goto nla_put_failure;
17515 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
17516 goto nla_put_failure;
17519 genlmsg_end(msg, hdr);
17521 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17522 NL80211_MCGRP_MLME, gfp);
17529 void cfg80211_ch_switch_notify(struct net_device *dev,
17530 struct cfg80211_chan_def *chandef)
17532 struct wireless_dev *wdev = dev->ieee80211_ptr;
17533 struct wiphy *wiphy = wdev->wiphy;
17534 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17536 ASSERT_WDEV_LOCK(wdev);
17538 trace_cfg80211_ch_switch_notify(dev, chandef);
17540 wdev->chandef = *chandef;
17541 wdev->preset_chandef = *chandef;
17543 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
17544 wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
17545 !WARN_ON(!wdev->current_bss))
17546 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
17548 cfg80211_sched_dfs_chan_update(rdev);
17550 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17551 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false);
17553 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
17555 void cfg80211_ch_switch_started_notify(struct net_device *dev,
17556 struct cfg80211_chan_def *chandef,
17557 u8 count, bool quiet)
17559 struct wireless_dev *wdev = dev->ieee80211_ptr;
17560 struct wiphy *wiphy = wdev->wiphy;
17561 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17563 trace_cfg80211_ch_switch_started_notify(dev, chandef);
17565 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17566 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
17569 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
17571 int cfg80211_bss_color_notify(struct net_device *dev, gfp_t gfp,
17572 enum nl80211_commands cmd, u8 count,
17575 struct wireless_dev *wdev = dev->ieee80211_ptr;
17576 struct wiphy *wiphy = wdev->wiphy;
17577 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17578 struct sk_buff *msg;
17581 ASSERT_WDEV_LOCK(wdev);
17583 trace_cfg80211_bss_color_notify(dev, cmd, count, color_bitmap);
17585 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17589 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
17591 goto nla_put_failure;
17593 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17594 goto nla_put_failure;
17596 if (cmd == NL80211_CMD_COLOR_CHANGE_STARTED &&
17597 nla_put_u32(msg, NL80211_ATTR_COLOR_CHANGE_COUNT, count))
17598 goto nla_put_failure;
17600 if (cmd == NL80211_CMD_OBSS_COLOR_COLLISION &&
17601 nla_put_u64_64bit(msg, NL80211_ATTR_OBSS_COLOR_BITMAP,
17602 color_bitmap, NL80211_ATTR_PAD))
17603 goto nla_put_failure;
17605 genlmsg_end(msg, hdr);
17607 return genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
17608 msg, 0, NL80211_MCGRP_MLME, gfp);
17614 EXPORT_SYMBOL(cfg80211_bss_color_notify);
17617 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
17618 const struct cfg80211_chan_def *chandef,
17619 enum nl80211_radar_event event,
17620 struct net_device *netdev, gfp_t gfp)
17622 struct sk_buff *msg;
17625 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17629 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
17635 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17636 goto nla_put_failure;
17638 /* NOP and radar events don't need a netdev parameter */
17640 struct wireless_dev *wdev = netdev->ieee80211_ptr;
17642 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17643 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17645 goto nla_put_failure;
17648 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
17649 goto nla_put_failure;
17651 if (nl80211_send_chandef(msg, chandef))
17652 goto nla_put_failure;
17654 genlmsg_end(msg, hdr);
17656 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17657 NL80211_MCGRP_MLME, gfp);
17664 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
17665 struct sta_opmode_info *sta_opmode,
17668 struct sk_buff *msg;
17669 struct wireless_dev *wdev = dev->ieee80211_ptr;
17670 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17676 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17680 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
17686 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17687 goto nla_put_failure;
17689 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17690 goto nla_put_failure;
17692 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17693 goto nla_put_failure;
17695 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
17696 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
17697 goto nla_put_failure;
17699 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
17700 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
17701 goto nla_put_failure;
17703 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
17704 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
17705 goto nla_put_failure;
17707 genlmsg_end(msg, hdr);
17709 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17710 NL80211_MCGRP_MLME, gfp);
17717 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
17719 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
17720 u64 cookie, bool acked, s32 ack_signal,
17721 bool is_valid_ack_signal, gfp_t gfp)
17723 struct wireless_dev *wdev = dev->ieee80211_ptr;
17724 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17725 struct sk_buff *msg;
17728 trace_cfg80211_probe_status(dev, addr, cookie, acked);
17730 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17735 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
17741 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17742 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17743 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17744 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
17745 NL80211_ATTR_PAD) ||
17746 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
17747 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
17749 goto nla_put_failure;
17751 genlmsg_end(msg, hdr);
17753 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17754 NL80211_MCGRP_MLME, gfp);
17760 EXPORT_SYMBOL(cfg80211_probe_status);
17762 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
17763 size_t len, int freq, int sig_dbm)
17765 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17766 struct sk_buff *msg;
17768 struct cfg80211_beacon_registration *reg;
17770 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
17772 spin_lock_bh(&rdev->beacon_registrations_lock);
17773 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
17774 msg = nlmsg_new(len + 100, GFP_ATOMIC);
17776 spin_unlock_bh(&rdev->beacon_registrations_lock);
17780 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
17782 goto nla_put_failure;
17784 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17786 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
17787 KHZ_TO_MHZ(freq)) ||
17788 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
17791 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
17792 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
17793 goto nla_put_failure;
17795 genlmsg_end(msg, hdr);
17797 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
17799 spin_unlock_bh(&rdev->beacon_registrations_lock);
17803 spin_unlock_bh(&rdev->beacon_registrations_lock);
17806 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
17809 static int cfg80211_net_detect_results(struct sk_buff *msg,
17810 struct cfg80211_wowlan_wakeup *wakeup)
17812 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
17813 struct nlattr *nl_results, *nl_match, *nl_freqs;
17816 nl_results = nla_nest_start_noflag(msg,
17817 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
17821 for (i = 0; i < nd->n_matches; i++) {
17822 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
17824 nl_match = nla_nest_start_noflag(msg, i);
17828 /* The SSID attribute is optional in nl80211, but for
17829 * simplicity reasons it's always present in the
17830 * cfg80211 structure. If a driver can't pass the
17831 * SSID, that needs to be changed. A zero length SSID
17832 * is still a valid SSID (wildcard), so it cannot be
17833 * used for this purpose.
17835 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
17836 match->ssid.ssid)) {
17837 nla_nest_cancel(msg, nl_match);
17841 if (match->n_channels) {
17842 nl_freqs = nla_nest_start_noflag(msg,
17843 NL80211_ATTR_SCAN_FREQUENCIES);
17845 nla_nest_cancel(msg, nl_match);
17849 for (j = 0; j < match->n_channels; j++) {
17850 if (nla_put_u32(msg, j, match->channels[j])) {
17851 nla_nest_cancel(msg, nl_freqs);
17852 nla_nest_cancel(msg, nl_match);
17857 nla_nest_end(msg, nl_freqs);
17860 nla_nest_end(msg, nl_match);
17864 nla_nest_end(msg, nl_results);
17868 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
17869 struct cfg80211_wowlan_wakeup *wakeup,
17872 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17873 struct sk_buff *msg;
17877 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
17880 size += wakeup->packet_present_len;
17882 msg = nlmsg_new(size, gfp);
17886 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
17890 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17891 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17895 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17896 wdev->netdev->ifindex))
17900 struct nlattr *reasons;
17902 reasons = nla_nest_start_noflag(msg,
17903 NL80211_ATTR_WOWLAN_TRIGGERS);
17907 if (wakeup->disconnect &&
17908 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
17910 if (wakeup->magic_pkt &&
17911 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
17913 if (wakeup->gtk_rekey_failure &&
17914 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
17916 if (wakeup->eap_identity_req &&
17917 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
17919 if (wakeup->four_way_handshake &&
17920 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
17922 if (wakeup->rfkill_release &&
17923 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
17926 if (wakeup->pattern_idx >= 0 &&
17927 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
17928 wakeup->pattern_idx))
17931 if (wakeup->tcp_match &&
17932 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
17935 if (wakeup->tcp_connlost &&
17936 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
17939 if (wakeup->tcp_nomoretokens &&
17941 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
17944 if (wakeup->packet) {
17945 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
17946 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
17948 if (!wakeup->packet_80211) {
17950 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
17952 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
17955 if (wakeup->packet_len &&
17956 nla_put_u32(msg, len_attr, wakeup->packet_len))
17959 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
17964 if (wakeup->net_detect &&
17965 cfg80211_net_detect_results(msg, wakeup))
17968 nla_nest_end(msg, reasons);
17971 genlmsg_end(msg, hdr);
17973 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17974 NL80211_MCGRP_MLME, gfp);
17980 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
17983 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
17984 enum nl80211_tdls_operation oper,
17985 u16 reason_code, gfp_t gfp)
17987 struct wireless_dev *wdev = dev->ieee80211_ptr;
17988 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17989 struct sk_buff *msg;
17992 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
17995 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17999 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
18005 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18006 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18007 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
18008 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
18009 (reason_code > 0 &&
18010 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
18011 goto nla_put_failure;
18013 genlmsg_end(msg, hdr);
18015 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18016 NL80211_MCGRP_MLME, gfp);
18022 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
18024 static int nl80211_netlink_notify(struct notifier_block * nb,
18025 unsigned long state,
18028 struct netlink_notify *notify = _notify;
18029 struct cfg80211_registered_device *rdev;
18030 struct wireless_dev *wdev;
18031 struct cfg80211_beacon_registration *reg, *tmp;
18033 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
18034 return NOTIFY_DONE;
18038 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
18039 struct cfg80211_sched_scan_request *sched_scan_req;
18041 list_for_each_entry_rcu(sched_scan_req,
18042 &rdev->sched_scan_req_list,
18044 if (sched_scan_req->owner_nlportid == notify->portid) {
18045 sched_scan_req->nl_owner_dead = true;
18046 schedule_work(&rdev->sched_scan_stop_wk);
18050 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
18051 cfg80211_mlme_unregister_socket(wdev, notify->portid);
18053 if (wdev->owner_nlportid == notify->portid) {
18054 wdev->nl_owner_dead = true;
18055 schedule_work(&rdev->destroy_work);
18056 } else if (wdev->conn_owner_nlportid == notify->portid) {
18057 schedule_work(&wdev->disconnect_wk);
18060 cfg80211_release_pmsr(wdev, notify->portid);
18063 spin_lock_bh(&rdev->beacon_registrations_lock);
18064 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
18066 if (reg->nlportid == notify->portid) {
18067 list_del(®->list);
18072 spin_unlock_bh(&rdev->beacon_registrations_lock);
18078 * It is possible that the user space process that is controlling the
18079 * indoor setting disappeared, so notify the regulatory core.
18081 regulatory_netlink_notify(notify->portid);
18085 static struct notifier_block nl80211_netlink_notifier = {
18086 .notifier_call = nl80211_netlink_notify,
18089 void cfg80211_ft_event(struct net_device *netdev,
18090 struct cfg80211_ft_event_params *ft_event)
18092 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
18093 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18094 struct sk_buff *msg;
18097 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
18099 if (!ft_event->target_ap)
18102 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
18107 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
18111 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18112 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18113 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
18116 if (ft_event->ies &&
18117 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
18119 if (ft_event->ric_ies &&
18120 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
18121 ft_event->ric_ies))
18124 genlmsg_end(msg, hdr);
18126 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18127 NL80211_MCGRP_MLME, GFP_KERNEL);
18132 EXPORT_SYMBOL(cfg80211_ft_event);
18134 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
18136 struct cfg80211_registered_device *rdev;
18137 struct sk_buff *msg;
18141 rdev = wiphy_to_rdev(wdev->wiphy);
18142 if (!rdev->crit_proto_nlportid)
18145 nlportid = rdev->crit_proto_nlportid;
18146 rdev->crit_proto_nlportid = 0;
18148 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18152 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
18154 goto nla_put_failure;
18156 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18157 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18159 goto nla_put_failure;
18161 genlmsg_end(msg, hdr);
18163 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
18169 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
18171 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
18173 struct wiphy *wiphy = wdev->wiphy;
18174 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18175 struct sk_buff *msg;
18178 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
18182 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
18186 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18187 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
18188 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18192 genlmsg_end(msg, hdr);
18194 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
18195 NL80211_MCGRP_MLME, GFP_KERNEL);
18201 int cfg80211_external_auth_request(struct net_device *dev,
18202 struct cfg80211_external_auth_params *params,
18205 struct wireless_dev *wdev = dev->ieee80211_ptr;
18206 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18207 struct sk_buff *msg;
18210 if (!wdev->conn_owner_nlportid)
18213 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18217 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
18219 goto nla_put_failure;
18221 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18222 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18223 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
18224 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
18226 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
18227 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
18228 params->ssid.ssid))
18229 goto nla_put_failure;
18231 genlmsg_end(msg, hdr);
18232 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
18233 wdev->conn_owner_nlportid);
18240 EXPORT_SYMBOL(cfg80211_external_auth_request);
18242 void cfg80211_update_owe_info_event(struct net_device *netdev,
18243 struct cfg80211_update_owe_info *owe_info,
18246 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
18247 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18248 struct sk_buff *msg;
18251 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
18253 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18257 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
18259 goto nla_put_failure;
18261 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18262 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18263 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
18264 goto nla_put_failure;
18266 if (!owe_info->ie_len ||
18267 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
18268 goto nla_put_failure;
18270 genlmsg_end(msg, hdr);
18272 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18273 NL80211_MCGRP_MLME, gfp);
18277 genlmsg_cancel(msg, hdr);
18280 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
18282 /* initialisation/exit functions */
18284 int __init nl80211_init(void)
18288 err = genl_register_family(&nl80211_fam);
18292 err = netlink_register_notifier(&nl80211_netlink_notifier);
18298 genl_unregister_family(&nl80211_fam);
18302 void nl80211_exit(void)
18304 netlink_unregister_notifier(&nl80211_netlink_notifier);
18305 genl_unregister_family(&nl80211_fam);