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) 2018-2020 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 net *netns, struct nlattr **attrs)
69 struct cfg80211_registered_device *rdev;
70 struct wireless_dev *result = NULL;
71 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
72 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
79 if (!have_ifidx && !have_wdev_id)
80 return ERR_PTR(-EINVAL);
83 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
85 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
86 wiphy_idx = wdev_id >> 32;
89 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
90 struct wireless_dev *wdev;
92 if (wiphy_net(&rdev->wiphy) != netns)
95 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
98 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
99 if (have_ifidx && wdev->netdev &&
100 wdev->netdev->ifindex == ifidx) {
104 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
116 return ERR_PTR(-ENODEV);
119 static struct cfg80211_registered_device *
120 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
122 struct cfg80211_registered_device *rdev = NULL, *tmp;
123 struct net_device *netdev;
127 if (!attrs[NL80211_ATTR_WIPHY] &&
128 !attrs[NL80211_ATTR_IFINDEX] &&
129 !attrs[NL80211_ATTR_WDEV])
130 return ERR_PTR(-EINVAL);
132 if (attrs[NL80211_ATTR_WIPHY])
133 rdev = cfg80211_rdev_by_wiphy_idx(
134 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
136 if (attrs[NL80211_ATTR_WDEV]) {
137 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
138 struct wireless_dev *wdev;
141 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
143 /* make sure wdev exists */
144 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
145 if (wdev->identifier != (u32)wdev_id)
154 if (rdev && tmp != rdev)
155 return ERR_PTR(-EINVAL);
160 if (attrs[NL80211_ATTR_IFINDEX]) {
161 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
163 netdev = __dev_get_by_index(netns, ifindex);
165 if (netdev->ieee80211_ptr)
167 netdev->ieee80211_ptr->wiphy);
171 /* not wireless device -- return error */
173 return ERR_PTR(-EINVAL);
175 /* mismatch -- return error */
176 if (rdev && tmp != rdev)
177 return ERR_PTR(-EINVAL);
184 return ERR_PTR(-ENODEV);
186 if (netns != wiphy_net(&rdev->wiphy))
187 return ERR_PTR(-ENODEV);
193 * This function returns a pointer to the driver
194 * that the genl_info item that is passed refers to.
196 * The result of this can be a PTR_ERR and hence must
197 * be checked with IS_ERR() for errors.
199 static struct cfg80211_registered_device *
200 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
202 return __cfg80211_rdev_from_attrs(netns, info->attrs);
205 static int validate_beacon_head(const struct nlattr *attr,
206 struct netlink_ext_ack *extack)
208 const u8 *data = nla_data(attr);
209 unsigned int len = nla_len(attr);
210 const struct element *elem;
211 const struct ieee80211_mgmt *mgmt = (void *)data;
212 bool s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control);
213 unsigned int fixedlen, hdrlen;
216 fixedlen = offsetof(struct ieee80211_ext,
217 u.s1g_beacon.variable);
218 hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon);
220 fixedlen = offsetof(struct ieee80211_mgmt,
222 hdrlen = offsetof(struct ieee80211_mgmt, u.beacon);
228 if (ieee80211_hdrlen(mgmt->frame_control) != hdrlen)
234 for_each_element(elem, data, len) {
238 if (for_each_element_completed(elem, data, len))
242 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
246 static int validate_ie_attr(const struct nlattr *attr,
247 struct netlink_ext_ack *extack)
249 const u8 *data = nla_data(attr);
250 unsigned int len = nla_len(attr);
251 const struct element *elem;
253 for_each_element(elem, data, len) {
257 if (for_each_element_completed(elem, data, len))
260 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
264 /* policy for the attributes */
265 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
267 static const struct nla_policy
268 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
269 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
270 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
272 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
276 static const struct nla_policy
277 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
278 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
279 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
280 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
281 NLA_POLICY_MAX(NLA_U8, 15),
282 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
283 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
284 NLA_POLICY_MAX(NLA_U8, 15),
285 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
286 NLA_POLICY_MAX(NLA_U8, 31),
287 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
288 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
289 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
290 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
291 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
294 static const struct nla_policy
295 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
296 [NL80211_PMSR_TYPE_FTM] =
297 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
300 static const struct nla_policy
301 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
302 [NL80211_PMSR_REQ_ATTR_DATA] =
303 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
304 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
307 static const struct nla_policy
308 nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
309 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
310 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
311 [NL80211_PMSR_PEER_ATTR_REQ] =
312 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
313 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
316 static const struct nla_policy
317 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
318 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
319 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
320 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
321 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
322 [NL80211_PMSR_ATTR_PEERS] =
323 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
326 static const struct nla_policy
327 he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
328 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
329 NLA_POLICY_RANGE(NLA_U8, 1, 20),
330 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
331 NLA_POLICY_RANGE(NLA_U8, 1, 20),
332 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
333 NLA_POLICY_RANGE(NLA_U8, 1, 20),
334 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
335 NLA_POLICY_EXACT_LEN(8),
336 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
337 NLA_POLICY_EXACT_LEN(8),
338 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
341 static const struct nla_policy
342 he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
343 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
344 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
345 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
348 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
349 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
350 .len = NL80211_MAX_SUPP_RATES },
351 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
352 .len = NL80211_MAX_SUPP_HT_RATES },
353 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
354 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
355 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
356 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
357 NL80211_RATE_INFO_HE_GI_0_8,
358 NL80211_RATE_INFO_HE_GI_3_2),
359 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
360 NL80211_RATE_INFO_HE_1XLTF,
361 NL80211_RATE_INFO_HE_4XLTF),
364 static const struct nla_policy
365 nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
366 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
367 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
368 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
369 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
370 [NL80211_TID_CONFIG_ATTR_NOACK] =
371 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
372 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
373 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
374 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
375 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
376 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
377 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
378 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
379 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
380 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
381 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
382 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
383 NLA_POLICY_NESTED(nl80211_txattr_policy),
386 static const struct nla_policy
387 nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
388 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
389 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
390 NLA_POLICY_RANGE(NLA_BINARY,
391 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
392 IEEE80211_MAX_DATA_LEN),
395 static const struct nla_policy
396 nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
397 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
398 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
399 .len = IEEE80211_MAX_DATA_LEN }
402 static const struct nla_policy
403 sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = {
404 [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 },
405 [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 },
408 static const struct nla_policy
409 sar_policy[NL80211_SAR_ATTR_MAX + 1] = {
410 [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE),
411 [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy),
414 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
415 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
416 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
417 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
419 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
421 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
422 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
423 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
424 NL80211_EDMG_CHANNELS_MIN,
425 NL80211_EDMG_CHANNELS_MAX),
426 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
427 NL80211_EDMG_BW_CONFIG_MIN,
428 NL80211_EDMG_BW_CONFIG_MAX),
430 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
431 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
432 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
433 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
435 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
436 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
437 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
438 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
439 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
440 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
442 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
443 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
444 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
446 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
447 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
449 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
450 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
451 .len = WLAN_MAX_KEY_LEN },
452 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
453 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
454 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
455 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
456 [NL80211_ATTR_KEY_TYPE] =
457 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
459 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
460 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
461 [NL80211_ATTR_BEACON_HEAD] =
462 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
463 IEEE80211_MAX_DATA_LEN),
464 [NL80211_ATTR_BEACON_TAIL] =
465 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
466 IEEE80211_MAX_DATA_LEN),
467 [NL80211_ATTR_STA_AID] =
468 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
469 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
470 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
471 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
472 .len = NL80211_MAX_SUPP_RATES },
473 [NL80211_ATTR_STA_PLINK_ACTION] =
474 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
475 [NL80211_ATTR_STA_TX_POWER_SETTING] =
476 NLA_POLICY_RANGE(NLA_U8,
477 NL80211_TX_POWER_AUTOMATIC,
478 NL80211_TX_POWER_FIXED),
479 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
480 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
481 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
482 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
483 .len = IEEE80211_MAX_MESH_ID_LEN },
484 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
486 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
487 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
489 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
490 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
491 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
492 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
493 .len = NL80211_MAX_SUPP_RATES },
494 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
496 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
497 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
499 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
501 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
502 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
504 IEEE80211_MAX_DATA_LEN),
505 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
506 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
508 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
509 .len = IEEE80211_MAX_SSID_LEN },
510 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
511 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
512 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
513 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
514 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
516 NL80211_MFP_OPTIONAL),
517 [NL80211_ATTR_STA_FLAGS2] = {
518 .len = sizeof(struct nl80211_sta_flag_update),
520 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
521 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
522 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
523 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
524 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
525 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
526 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
527 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
528 [NL80211_ATTR_PID] = { .type = NLA_U32 },
529 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
530 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
531 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
532 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
533 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
534 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
535 .len = IEEE80211_MAX_DATA_LEN },
536 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
537 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
540 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
541 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
542 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
543 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
544 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
545 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
546 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
547 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
548 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
549 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
550 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
551 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
552 [NL80211_ATTR_STA_PLINK_STATE] =
553 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
554 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
555 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
556 [NL80211_ATTR_MESH_PEER_AID] =
557 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
558 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
559 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
560 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
561 [NL80211_ATTR_HIDDEN_SSID] =
562 NLA_POLICY_RANGE(NLA_U32,
563 NL80211_HIDDEN_SSID_NOT_IN_USE,
564 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
565 [NL80211_ATTR_IE_PROBE_RESP] =
566 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
567 IEEE80211_MAX_DATA_LEN),
568 [NL80211_ATTR_IE_ASSOC_RESP] =
569 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
570 IEEE80211_MAX_DATA_LEN),
571 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
572 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
573 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
574 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
575 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
576 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
577 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
578 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
579 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
580 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
581 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
582 .len = IEEE80211_MAX_DATA_LEN },
583 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
584 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
585 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
586 .len = NL80211_HT_CAPABILITY_LEN
588 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
589 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
590 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
591 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
592 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
594 /* need to include at least Auth Transaction and Status Code */
595 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
597 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
598 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
599 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
600 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
601 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
602 NLA_POLICY_RANGE(NLA_U32,
603 NL80211_MESH_POWER_UNKNOWN + 1,
604 NL80211_MESH_POWER_MAX),
605 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
606 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
607 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
608 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
609 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
610 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
611 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
612 .len = NL80211_VHT_CAPABILITY_LEN,
614 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
615 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
616 .len = IEEE80211_MAX_DATA_LEN },
617 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
618 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
619 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
620 [NL80211_ATTR_PEER_AID] =
621 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
622 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
623 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
624 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
625 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
626 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
627 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
629 * The value of the Length field of the Supported Operating
630 * Classes element is between 2 and 253.
632 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
633 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
634 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
635 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
636 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
637 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
638 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
639 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
640 IEEE80211_QOS_MAP_LEN_MIN,
641 IEEE80211_QOS_MAP_LEN_MAX),
642 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
643 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
644 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
645 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
646 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
647 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
648 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
649 [NL80211_ATTR_USER_PRIO] =
650 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
651 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
652 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
653 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
654 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
655 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
656 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
657 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
658 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
659 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
660 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
661 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
662 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
663 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
664 .len = VHT_MUMIMO_GROUPS_DATA_LEN
666 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
667 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
668 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
669 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
670 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
671 .len = FILS_MAX_KEK_LEN },
672 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
673 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
674 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
675 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
676 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
677 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
679 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
680 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
681 .len = FILS_ERP_MAX_USERNAME_LEN },
682 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
683 .len = FILS_ERP_MAX_REALM_LEN },
684 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
685 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
686 .len = FILS_ERP_MAX_RRK_LEN },
687 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
688 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
689 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
690 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
691 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
693 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
694 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
695 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
696 [NL80211_ATTR_HE_CAPABILITY] =
697 NLA_POLICY_RANGE(NLA_BINARY,
698 NL80211_HE_MIN_CAPABILITY_LEN,
699 NL80211_HE_MAX_CAPABILITY_LEN),
700 [NL80211_ATTR_FTM_RESPONDER] =
701 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
702 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
703 [NL80211_ATTR_PEER_MEASUREMENTS] =
704 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
705 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
706 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
707 .len = SAE_PASSWORD_MAX_LEN },
708 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
709 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
710 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
711 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
712 [NL80211_ATTR_TID_CONFIG] =
713 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
714 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
715 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
716 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
717 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
718 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
719 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
720 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
721 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
722 [NL80211_ATTR_FILS_DISCOVERY] =
723 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
724 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
725 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
726 [NL80211_ATTR_S1G_CAPABILITY] =
727 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
728 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
729 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
730 [NL80211_ATTR_SAE_PWE] =
731 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
732 NL80211_SAE_PWE_BOTH),
733 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
734 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
737 /* policy for the key attributes */
738 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
739 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
740 [NL80211_KEY_IDX] = { .type = NLA_U8 },
741 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
742 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
743 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
744 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
745 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
746 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
747 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
750 /* policy for the key default flags */
751 static const struct nla_policy
752 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
753 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
754 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
758 /* policy for WoWLAN attributes */
759 static const struct nla_policy
760 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
761 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
762 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
763 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
764 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
765 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
766 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
767 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
768 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
769 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
770 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
773 static const struct nla_policy
774 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
775 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
776 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
777 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
778 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
779 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
780 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
781 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
782 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
784 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
785 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
787 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
788 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
789 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
791 #endif /* CONFIG_PM */
793 /* policy for coalesce rule attributes */
794 static const struct nla_policy
795 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
796 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
797 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
798 NLA_POLICY_RANGE(NLA_U32,
799 NL80211_COALESCE_CONDITION_MATCH,
800 NL80211_COALESCE_CONDITION_NO_MATCH),
801 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
804 /* policy for GTK rekey offload attributes */
805 static const struct nla_policy
806 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
807 [NL80211_REKEY_DATA_KEK] = {
809 .len = NL80211_KEK_EXT_LEN
811 [NL80211_REKEY_DATA_KCK] = {
813 .len = NL80211_KCK_EXT_LEN
815 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
816 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
819 static const struct nla_policy
820 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
821 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
822 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
823 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
824 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
827 static const struct nla_policy
828 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
829 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
830 .len = IEEE80211_MAX_SSID_LEN },
831 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
832 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
833 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
834 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
837 static const struct nla_policy
838 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
839 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
840 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
843 static const struct nla_policy
844 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
845 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
846 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
847 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
848 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
852 /* policy for NAN function attributes */
853 static const struct nla_policy
854 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
855 [NL80211_NAN_FUNC_TYPE] =
856 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
857 [NL80211_NAN_FUNC_SERVICE_ID] = {
858 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
859 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
860 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
861 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
862 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
863 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
864 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
865 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
866 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
867 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
868 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
869 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
870 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
871 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
872 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
873 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
876 /* policy for Service Response Filter attributes */
877 static const struct nla_policy
878 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
879 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
880 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
881 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
882 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
883 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
886 /* policy for packet pattern attributes */
887 static const struct nla_policy
888 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
889 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
890 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
891 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
894 int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
895 struct cfg80211_registered_device **rdev,
896 struct wireless_dev **wdev)
901 struct nlattr **attrbuf;
903 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
908 err = nlmsg_parse_deprecated(cb->nlh,
909 GENL_HDRLEN + nl80211_fam.hdrsize,
910 attrbuf, nl80211_fam.maxattr,
911 nl80211_policy, NULL);
917 *wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk),
921 return PTR_ERR(*wdev);
922 *rdev = wiphy_to_rdev((*wdev)->wiphy);
923 /* 0 is the first index - add 1 to parse only once */
924 cb->args[0] = (*rdev)->wiphy_idx + 1;
925 cb->args[1] = (*wdev)->identifier;
927 /* subtract the 1 again here */
928 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
929 struct wireless_dev *tmp;
933 *rdev = wiphy_to_rdev(wiphy);
936 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
937 if (tmp->identifier == cb->args[1]) {
950 /* message building helper */
951 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
954 /* since there is no private header just add the generic one */
955 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
958 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
959 const struct ieee80211_reg_rule *rule)
962 struct nlattr *nl_wmm_rules =
963 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
966 goto nla_put_failure;
968 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
969 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
972 goto nla_put_failure;
974 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
975 rule->wmm_rule.client[j].cw_min) ||
976 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
977 rule->wmm_rule.client[j].cw_max) ||
978 nla_put_u8(msg, NL80211_WMMR_AIFSN,
979 rule->wmm_rule.client[j].aifsn) ||
980 nla_put_u16(msg, NL80211_WMMR_TXOP,
981 rule->wmm_rule.client[j].cot))
982 goto nla_put_failure;
984 nla_nest_end(msg, nl_wmm_rule);
986 nla_nest_end(msg, nl_wmm_rules);
994 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
995 struct ieee80211_channel *chan,
998 /* Some channels must be completely excluded from the
999 * list to protect old user-space tools from breaking
1001 if (!large && chan->flags &
1002 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1004 if (!large && chan->freq_offset)
1007 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1009 goto nla_put_failure;
1011 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1012 goto nla_put_failure;
1014 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1015 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1016 goto nla_put_failure;
1017 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1018 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1019 goto nla_put_failure;
1020 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1021 goto nla_put_failure;
1023 if (chan->flags & IEEE80211_CHAN_RADAR) {
1024 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1025 goto nla_put_failure;
1029 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1031 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1033 goto nla_put_failure;
1034 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1036 goto nla_put_failure;
1037 if (nla_put_u32(msg,
1038 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1040 goto nla_put_failure;
1045 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1046 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1047 goto nla_put_failure;
1048 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1049 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1050 goto nla_put_failure;
1051 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1052 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1053 goto nla_put_failure;
1054 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1055 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1056 goto nla_put_failure;
1057 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1058 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1059 goto nla_put_failure;
1060 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1061 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
1062 goto nla_put_failure;
1063 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1064 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1065 goto nla_put_failure;
1066 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1067 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1068 goto nla_put_failure;
1069 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1070 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1071 goto nla_put_failure;
1072 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1073 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1074 goto nla_put_failure;
1075 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1076 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1077 goto nla_put_failure;
1078 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1079 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1080 goto nla_put_failure;
1081 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1082 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1083 goto nla_put_failure;
1084 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1085 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1086 goto nla_put_failure;
1089 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1090 DBM_TO_MBM(chan->max_power)))
1091 goto nla_put_failure;
1094 const struct ieee80211_reg_rule *rule =
1095 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
1097 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
1098 if (nl80211_msg_put_wmm_rules(msg, rule))
1099 goto nla_put_failure;
1109 static bool nl80211_put_txq_stats(struct sk_buff *msg,
1110 struct cfg80211_txq_stats *txqstats,
1113 struct nlattr *txqattr;
1115 #define PUT_TXQVAL_U32(attr, memb) do { \
1116 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1117 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1121 txqattr = nla_nest_start_noflag(msg, attrtype);
1125 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1126 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1127 PUT_TXQVAL_U32(FLOWS, flows);
1128 PUT_TXQVAL_U32(DROPS, drops);
1129 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1130 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1131 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1132 PUT_TXQVAL_U32(COLLISIONS, collisions);
1133 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1134 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1135 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1136 nla_nest_end(msg, txqattr);
1138 #undef PUT_TXQVAL_U32
1142 /* netlink command implementations */
1145 struct key_params p;
1148 bool def, defmgmt, defbeacon;
1149 bool def_uni, def_multi;
1152 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1153 struct key_parse *k)
1155 struct nlattr *tb[NL80211_KEY_MAX + 1];
1156 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1162 k->def = !!tb[NL80211_KEY_DEFAULT];
1163 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1164 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
1168 k->def_multi = true;
1170 if (k->defmgmt || k->defbeacon)
1171 k->def_multi = true;
1173 if (tb[NL80211_KEY_IDX])
1174 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1176 if (tb[NL80211_KEY_DATA]) {
1177 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1178 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1181 if (tb[NL80211_KEY_SEQ]) {
1182 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1183 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1186 if (tb[NL80211_KEY_CIPHER])
1187 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1189 if (tb[NL80211_KEY_TYPE])
1190 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1192 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1193 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1195 err = nla_parse_nested_deprecated(kdt,
1196 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1197 tb[NL80211_KEY_DEFAULT_TYPES],
1198 nl80211_key_default_policy,
1203 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1204 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1207 if (tb[NL80211_KEY_MODE])
1208 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1213 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1215 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1216 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1217 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1220 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1221 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1222 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1225 if (info->attrs[NL80211_ATTR_KEY_IDX])
1226 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1228 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1229 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1231 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1232 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1236 k->def_multi = true;
1239 k->def_multi = true;
1241 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1242 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1244 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1245 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1246 int err = nla_parse_nested_deprecated(kdt,
1247 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1248 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1249 nl80211_key_default_policy,
1254 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1255 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1261 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1265 memset(k, 0, sizeof(*k));
1269 if (info->attrs[NL80211_ATTR_KEY])
1270 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1272 err = nl80211_parse_key_old(info, k);
1277 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1278 (k->defbeacon ? 1 : 0) > 1) {
1279 GENL_SET_ERR_MSG(info,
1280 "key with multiple default flags is invalid");
1284 if (k->defmgmt || k->defbeacon) {
1285 if (k->def_uni || !k->def_multi) {
1286 GENL_SET_ERR_MSG(info,
1287 "defmgmt/defbeacon key must be mcast");
1294 if (k->idx < 4 || k->idx > 5) {
1295 GENL_SET_ERR_MSG(info,
1296 "defmgmt key idx not 4 or 5");
1299 } else if (k->defbeacon) {
1300 if (k->idx < 6 || k->idx > 7) {
1301 GENL_SET_ERR_MSG(info,
1302 "defbeacon key idx not 6 or 7");
1305 } else if (k->def) {
1306 if (k->idx < 0 || k->idx > 3) {
1307 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1311 if (k->idx < 0 || k->idx > 7) {
1312 GENL_SET_ERR_MSG(info, "key idx not 0-7");
1321 static struct cfg80211_cached_keys *
1322 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1323 struct genl_info *info, bool *no_ht)
1325 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1326 struct key_parse parse;
1328 struct cfg80211_cached_keys *result;
1329 int rem, err, def = 0;
1330 bool have_key = false;
1332 nla_for_each_nested(key, keys, rem) {
1340 result = kzalloc(sizeof(*result), GFP_KERNEL);
1342 return ERR_PTR(-ENOMEM);
1346 nla_for_each_nested(key, keys, rem) {
1347 memset(&parse, 0, sizeof(parse));
1350 err = nl80211_parse_key_new(info, key, &parse);
1356 if (parse.idx < 0 || parse.idx > 3) {
1357 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1362 GENL_SET_ERR_MSG(info,
1363 "only one key can be default");
1367 result->def = parse.idx;
1368 if (!parse.def_uni || !parse.def_multi)
1370 } else if (parse.defmgmt)
1372 err = cfg80211_validate_key_settings(rdev, &parse.p,
1373 parse.idx, false, NULL);
1376 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1377 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1378 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1382 result->params[parse.idx].cipher = parse.p.cipher;
1383 result->params[parse.idx].key_len = parse.p.key_len;
1384 result->params[parse.idx].key = result->data[parse.idx];
1385 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1387 /* must be WEP key if we got here */
1392 if (result->def < 0) {
1394 GENL_SET_ERR_MSG(info, "need a default/TX key");
1401 return ERR_PTR(err);
1404 static int nl80211_key_allowed(struct wireless_dev *wdev)
1406 ASSERT_WDEV_LOCK(wdev);
1408 switch (wdev->iftype) {
1409 case NL80211_IFTYPE_AP:
1410 case NL80211_IFTYPE_AP_VLAN:
1411 case NL80211_IFTYPE_P2P_GO:
1412 case NL80211_IFTYPE_MESH_POINT:
1414 case NL80211_IFTYPE_ADHOC:
1415 case NL80211_IFTYPE_STATION:
1416 case NL80211_IFTYPE_P2P_CLIENT:
1417 if (!wdev->current_bss)
1420 case NL80211_IFTYPE_UNSPECIFIED:
1421 case NL80211_IFTYPE_OCB:
1422 case NL80211_IFTYPE_MONITOR:
1423 case NL80211_IFTYPE_NAN:
1424 case NL80211_IFTYPE_P2P_DEVICE:
1425 case NL80211_IFTYPE_WDS:
1426 case NUM_NL80211_IFTYPES:
1433 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1436 struct ieee80211_channel *chan;
1438 chan = ieee80211_get_channel_khz(wiphy, freq);
1439 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1444 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1446 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1450 goto nla_put_failure;
1454 if ((ifmodes & 1) && nla_put_flag(msg, i))
1455 goto nla_put_failure;
1460 nla_nest_end(msg, nl_modes);
1467 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1468 struct sk_buff *msg,
1471 struct nlattr *nl_combis;
1474 nl_combis = nla_nest_start_noflag(msg,
1475 NL80211_ATTR_INTERFACE_COMBINATIONS);
1477 goto nla_put_failure;
1479 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1480 const struct ieee80211_iface_combination *c;
1481 struct nlattr *nl_combi, *nl_limits;
1483 c = &wiphy->iface_combinations[i];
1485 nl_combi = nla_nest_start_noflag(msg, i + 1);
1487 goto nla_put_failure;
1489 nl_limits = nla_nest_start_noflag(msg,
1490 NL80211_IFACE_COMB_LIMITS);
1492 goto nla_put_failure;
1494 for (j = 0; j < c->n_limits; j++) {
1495 struct nlattr *nl_limit;
1497 nl_limit = nla_nest_start_noflag(msg, j + 1);
1499 goto nla_put_failure;
1500 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1502 goto nla_put_failure;
1503 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1504 c->limits[j].types))
1505 goto nla_put_failure;
1506 nla_nest_end(msg, nl_limit);
1509 nla_nest_end(msg, nl_limits);
1511 if (c->beacon_int_infra_match &&
1512 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1513 goto nla_put_failure;
1514 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1515 c->num_different_channels) ||
1516 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1518 goto nla_put_failure;
1520 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1521 c->radar_detect_widths) ||
1522 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1523 c->radar_detect_regions)))
1524 goto nla_put_failure;
1525 if (c->beacon_int_min_gcd &&
1526 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1527 c->beacon_int_min_gcd))
1528 goto nla_put_failure;
1530 nla_nest_end(msg, nl_combi);
1533 nla_nest_end(msg, nl_combis);
1541 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1542 struct sk_buff *msg)
1544 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1545 struct nlattr *nl_tcp;
1550 nl_tcp = nla_nest_start_noflag(msg,
1551 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1555 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1556 tcp->data_payload_max))
1559 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1560 tcp->data_payload_max))
1563 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1566 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1567 sizeof(*tcp->tok), tcp->tok))
1570 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1571 tcp->data_interval_max))
1574 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1575 tcp->wake_payload_max))
1578 nla_nest_end(msg, nl_tcp);
1582 static int nl80211_send_wowlan(struct sk_buff *msg,
1583 struct cfg80211_registered_device *rdev,
1586 struct nlattr *nl_wowlan;
1588 if (!rdev->wiphy.wowlan)
1591 nl_wowlan = nla_nest_start_noflag(msg,
1592 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1596 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1597 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1598 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1599 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1600 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1601 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1602 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1603 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1604 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1605 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1606 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1607 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1608 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1609 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1610 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1611 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1614 if (rdev->wiphy.wowlan->n_patterns) {
1615 struct nl80211_pattern_support pat = {
1616 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1617 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1618 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1619 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1622 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1627 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1628 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1629 rdev->wiphy.wowlan->max_nd_match_sets))
1632 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1635 nla_nest_end(msg, nl_wowlan);
1641 static int nl80211_send_coalesce(struct sk_buff *msg,
1642 struct cfg80211_registered_device *rdev)
1644 struct nl80211_coalesce_rule_support rule;
1646 if (!rdev->wiphy.coalesce)
1649 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1650 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1651 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1652 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1653 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1654 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1656 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1663 nl80211_send_iftype_data(struct sk_buff *msg,
1664 const struct ieee80211_supported_band *sband,
1665 const struct ieee80211_sband_iftype_data *iftdata)
1667 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1669 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1670 iftdata->types_mask))
1673 if (he_cap->has_he) {
1674 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1675 sizeof(he_cap->he_cap_elem.mac_cap_info),
1676 he_cap->he_cap_elem.mac_cap_info) ||
1677 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1678 sizeof(he_cap->he_cap_elem.phy_cap_info),
1679 he_cap->he_cap_elem.phy_cap_info) ||
1680 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1681 sizeof(he_cap->he_mcs_nss_supp),
1682 &he_cap->he_mcs_nss_supp) ||
1683 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1684 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1688 if (sband->band == NL80211_BAND_6GHZ &&
1689 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1690 sizeof(iftdata->he_6ghz_capa),
1691 &iftdata->he_6ghz_capa))
1697 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1698 struct ieee80211_supported_band *sband,
1701 struct nlattr *nl_rates, *nl_rate;
1702 struct ieee80211_rate *rate;
1706 if (sband->ht_cap.ht_supported &&
1707 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1708 sizeof(sband->ht_cap.mcs),
1709 &sband->ht_cap.mcs) ||
1710 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1711 sband->ht_cap.cap) ||
1712 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1713 sband->ht_cap.ampdu_factor) ||
1714 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1715 sband->ht_cap.ampdu_density)))
1719 if (sband->vht_cap.vht_supported &&
1720 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1721 sizeof(sband->vht_cap.vht_mcs),
1722 &sband->vht_cap.vht_mcs) ||
1723 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1724 sband->vht_cap.cap)))
1727 if (large && sband->n_iftype_data) {
1728 struct nlattr *nl_iftype_data =
1729 nla_nest_start_noflag(msg,
1730 NL80211_BAND_ATTR_IFTYPE_DATA);
1733 if (!nl_iftype_data)
1736 for (i = 0; i < sband->n_iftype_data; i++) {
1737 struct nlattr *iftdata;
1739 iftdata = nla_nest_start_noflag(msg, i + 1);
1743 err = nl80211_send_iftype_data(msg, sband,
1744 &sband->iftype_data[i]);
1748 nla_nest_end(msg, iftdata);
1751 nla_nest_end(msg, nl_iftype_data);
1755 if (large && sband->edmg_cap.channels &&
1756 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1757 sband->edmg_cap.channels) ||
1758 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1759 sband->edmg_cap.bw_config)))
1764 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1768 for (i = 0; i < sband->n_bitrates; i++) {
1769 nl_rate = nla_nest_start_noflag(msg, i);
1773 rate = &sband->bitrates[i];
1774 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1777 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1779 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1782 nla_nest_end(msg, nl_rate);
1785 nla_nest_end(msg, nl_rates);
1791 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1792 const struct ieee80211_txrx_stypes *mgmt_stypes)
1795 struct nlattr *nl_ftypes, *nl_ifs;
1796 enum nl80211_iftype ift;
1802 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1806 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1807 nl_ftypes = nla_nest_start_noflag(msg, ift);
1811 stypes = mgmt_stypes[ift].tx;
1814 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1815 (i << 4) | IEEE80211_FTYPE_MGMT))
1820 nla_nest_end(msg, nl_ftypes);
1823 nla_nest_end(msg, nl_ifs);
1825 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1829 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1830 nl_ftypes = nla_nest_start_noflag(msg, ift);
1834 stypes = mgmt_stypes[ift].rx;
1837 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1838 (i << 4) | IEEE80211_FTYPE_MGMT))
1843 nla_nest_end(msg, nl_ftypes);
1845 nla_nest_end(msg, nl_ifs);
1850 #define CMD(op, n) \
1852 if (rdev->ops->op) { \
1854 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1855 goto nla_put_failure; \
1859 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1860 struct sk_buff *msg)
1865 * do *NOT* add anything into this function, new things need to be
1866 * advertised only to new versions of userspace that can deal with
1867 * the split (and they can't possibly care about new features...
1869 CMD(add_virtual_intf, NEW_INTERFACE);
1870 CMD(change_virtual_intf, SET_INTERFACE);
1871 CMD(add_key, NEW_KEY);
1872 CMD(start_ap, START_AP);
1873 CMD(add_station, NEW_STATION);
1874 CMD(add_mpath, NEW_MPATH);
1875 CMD(update_mesh_config, SET_MESH_CONFIG);
1876 CMD(change_bss, SET_BSS);
1877 CMD(auth, AUTHENTICATE);
1878 CMD(assoc, ASSOCIATE);
1879 CMD(deauth, DEAUTHENTICATE);
1880 CMD(disassoc, DISASSOCIATE);
1881 CMD(join_ibss, JOIN_IBSS);
1882 CMD(join_mesh, JOIN_MESH);
1883 CMD(set_pmksa, SET_PMKSA);
1884 CMD(del_pmksa, DEL_PMKSA);
1885 CMD(flush_pmksa, FLUSH_PMKSA);
1886 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1887 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1888 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1889 CMD(mgmt_tx, FRAME);
1890 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1891 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1893 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1894 goto nla_put_failure;
1896 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1897 rdev->ops->join_mesh) {
1899 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1900 goto nla_put_failure;
1902 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1903 CMD(tdls_mgmt, TDLS_MGMT);
1904 CMD(tdls_oper, TDLS_OPER);
1906 if (rdev->wiphy.max_sched_scan_reqs)
1907 CMD(sched_scan_start, START_SCHED_SCAN);
1908 CMD(probe_client, PROBE_CLIENT);
1909 CMD(set_noack_map, SET_NOACK_MAP);
1910 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1912 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1913 goto nla_put_failure;
1915 CMD(start_p2p_device, START_P2P_DEVICE);
1916 CMD(set_mcast_rate, SET_MCAST_RATE);
1917 #ifdef CONFIG_NL80211_TESTMODE
1918 CMD(testmode_cmd, TESTMODE);
1921 if (rdev->ops->connect || rdev->ops->auth) {
1923 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1924 goto nla_put_failure;
1927 if (rdev->ops->disconnect || rdev->ops->deauth) {
1929 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1930 goto nla_put_failure;
1939 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1940 struct sk_buff *msg)
1944 if (!cap->ftm.supported)
1947 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
1951 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1953 if (cap->ftm.non_asap &&
1954 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1956 if (cap->ftm.request_lci &&
1957 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1959 if (cap->ftm.request_civicloc &&
1960 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1962 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1963 cap->ftm.preambles))
1965 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1966 cap->ftm.bandwidths))
1968 if (cap->ftm.max_bursts_exponent >= 0 &&
1969 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1970 cap->ftm.max_bursts_exponent))
1972 if (cap->ftm.max_ftms_per_burst &&
1973 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1974 cap->ftm.max_ftms_per_burst))
1976 if (cap->ftm.trigger_based &&
1977 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
1979 if (cap->ftm.non_trigger_based &&
1980 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
1983 nla_nest_end(msg, ftm);
1987 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1988 struct sk_buff *msg)
1990 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1991 struct nlattr *pmsr, *caps;
1997 * we don't need to clean up anything here since the caller
1998 * will genlmsg_cancel() if we fail
2001 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
2005 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2008 if (cap->report_ap_tsf &&
2009 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2012 if (cap->randomize_mac_addr &&
2013 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2016 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
2020 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2023 nla_nest_end(msg, caps);
2024 nla_nest_end(msg, pmsr);
2030 nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2031 struct sk_buff *msg)
2034 struct nlattr *nested, *nested_akms;
2035 const struct wiphy_iftype_akm_suites *iftype_akms;
2037 if (!rdev->wiphy.num_iftype_akm_suites ||
2038 !rdev->wiphy.iftype_akm_suites)
2041 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2045 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2046 nested_akms = nla_nest_start(msg, i + 1);
2050 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2052 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2053 iftype_akms->iftypes_mask))
2056 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2057 sizeof(u32) * iftype_akms->n_akm_suites,
2058 iftype_akms->akm_suites)) {
2061 nla_nest_end(msg, nested_akms);
2064 nla_nest_end(msg, nested);
2070 nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2071 struct sk_buff *msg)
2073 struct nlattr *supp;
2075 if (!rdev->wiphy.tid_config_support.vif &&
2076 !rdev->wiphy.tid_config_support.peer)
2079 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2083 if (rdev->wiphy.tid_config_support.vif &&
2084 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2085 rdev->wiphy.tid_config_support.vif,
2086 NL80211_TID_CONFIG_ATTR_PAD))
2089 if (rdev->wiphy.tid_config_support.peer &&
2090 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2091 rdev->wiphy.tid_config_support.peer,
2092 NL80211_TID_CONFIG_ATTR_PAD))
2095 /* for now we just use the same value ... makes more sense */
2096 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2097 rdev->wiphy.tid_config_support.max_retry))
2099 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2100 rdev->wiphy.tid_config_support.max_retry))
2103 nla_nest_end(msg, supp);
2107 nla_nest_cancel(msg, supp);
2112 nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2113 struct sk_buff *msg)
2115 struct nlattr *sar_capa, *specs, *sub_freq_range;
2119 if (!rdev->wiphy.sar_capa)
2122 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2124 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2128 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2131 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2135 /* report supported freq_ranges */
2136 for (i = 0; i < num_freq_ranges; i++) {
2137 sub_freq_range = nla_nest_start(msg, i + 1);
2138 if (!sub_freq_range)
2141 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2142 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2145 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2146 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2149 nla_nest_end(msg, sub_freq_range);
2152 nla_nest_end(msg, specs);
2153 nla_nest_end(msg, sar_capa);
2157 nla_nest_cancel(msg, sar_capa);
2161 struct nl80211_dump_wiphy_state {
2164 long split_start, band_start, chan_start, capa_start;
2168 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
2169 enum nl80211_commands cmd,
2170 struct sk_buff *msg, u32 portid, u32 seq,
2171 int flags, struct nl80211_dump_wiphy_state *state)
2174 struct nlattr *nl_bands, *nl_band;
2175 struct nlattr *nl_freqs, *nl_freq;
2176 struct nlattr *nl_cmds;
2177 enum nl80211_band band;
2178 struct ieee80211_channel *chan;
2180 const struct ieee80211_txrx_stypes *mgmt_stypes =
2181 rdev->wiphy.mgmt_stypes;
2184 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2188 if (WARN_ON(!state))
2191 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2192 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
2193 wiphy_name(&rdev->wiphy)) ||
2194 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2195 cfg80211_rdev_list_generation))
2196 goto nla_put_failure;
2198 if (cmd != NL80211_CMD_NEW_WIPHY)
2201 switch (state->split_start) {
2203 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
2204 rdev->wiphy.retry_short) ||
2205 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
2206 rdev->wiphy.retry_long) ||
2207 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
2208 rdev->wiphy.frag_threshold) ||
2209 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
2210 rdev->wiphy.rts_threshold) ||
2211 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
2212 rdev->wiphy.coverage_class) ||
2213 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
2214 rdev->wiphy.max_scan_ssids) ||
2215 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
2216 rdev->wiphy.max_sched_scan_ssids) ||
2217 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
2218 rdev->wiphy.max_scan_ie_len) ||
2219 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
2220 rdev->wiphy.max_sched_scan_ie_len) ||
2221 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
2222 rdev->wiphy.max_match_sets))
2223 goto nla_put_failure;
2225 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
2226 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
2227 goto nla_put_failure;
2228 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
2229 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2230 goto nla_put_failure;
2231 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2232 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2233 goto nla_put_failure;
2234 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
2235 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2236 goto nla_put_failure;
2237 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2238 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2239 goto nla_put_failure;
2240 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
2241 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
2242 goto nla_put_failure;
2243 state->split_start++;
2248 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
2249 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2250 rdev->wiphy.cipher_suites))
2251 goto nla_put_failure;
2253 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
2254 rdev->wiphy.max_num_pmkids))
2255 goto nla_put_failure;
2257 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
2258 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
2259 goto nla_put_failure;
2261 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
2262 rdev->wiphy.available_antennas_tx) ||
2263 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2264 rdev->wiphy.available_antennas_rx))
2265 goto nla_put_failure;
2267 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2268 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2269 rdev->wiphy.probe_resp_offload))
2270 goto nla_put_failure;
2272 if ((rdev->wiphy.available_antennas_tx ||
2273 rdev->wiphy.available_antennas_rx) &&
2274 rdev->ops->get_antenna) {
2275 u32 tx_ant = 0, rx_ant = 0;
2278 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2280 if (nla_put_u32(msg,
2281 NL80211_ATTR_WIPHY_ANTENNA_TX,
2284 NL80211_ATTR_WIPHY_ANTENNA_RX,
2286 goto nla_put_failure;
2290 state->split_start++;
2295 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2296 rdev->wiphy.interface_modes))
2297 goto nla_put_failure;
2298 state->split_start++;
2303 nl_bands = nla_nest_start_noflag(msg,
2304 NL80211_ATTR_WIPHY_BANDS);
2306 goto nla_put_failure;
2308 for (band = state->band_start;
2309 band < NUM_NL80211_BANDS; band++) {
2310 struct ieee80211_supported_band *sband;
2312 /* omit higher bands for ancient software */
2313 if (band > NL80211_BAND_5GHZ && !state->split)
2316 sband = rdev->wiphy.bands[band];
2321 nl_band = nla_nest_start_noflag(msg, band);
2323 goto nla_put_failure;
2325 switch (state->chan_start) {
2327 if (nl80211_send_band_rateinfo(msg, sband,
2329 goto nla_put_failure;
2330 state->chan_start++;
2335 /* add frequencies */
2336 nl_freqs = nla_nest_start_noflag(msg,
2337 NL80211_BAND_ATTR_FREQS);
2339 goto nla_put_failure;
2341 for (i = state->chan_start - 1;
2342 i < sband->n_channels;
2344 nl_freq = nla_nest_start_noflag(msg,
2347 goto nla_put_failure;
2349 chan = &sband->channels[i];
2351 if (nl80211_msg_put_channel(
2352 msg, &rdev->wiphy, chan,
2354 goto nla_put_failure;
2356 nla_nest_end(msg, nl_freq);
2360 if (i < sband->n_channels)
2361 state->chan_start = i + 2;
2363 state->chan_start = 0;
2364 nla_nest_end(msg, nl_freqs);
2367 nla_nest_end(msg, nl_band);
2370 /* start again here */
2371 if (state->chan_start)
2376 nla_nest_end(msg, nl_bands);
2378 if (band < NUM_NL80211_BANDS)
2379 state->band_start = band + 1;
2381 state->band_start = 0;
2383 /* if bands & channels are done, continue outside */
2384 if (state->band_start == 0 && state->chan_start == 0)
2385 state->split_start++;
2390 nl_cmds = nla_nest_start_noflag(msg,
2391 NL80211_ATTR_SUPPORTED_COMMANDS);
2393 goto nla_put_failure;
2395 i = nl80211_add_commands_unsplit(rdev, msg);
2397 goto nla_put_failure;
2399 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2400 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2401 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2402 CMD(channel_switch, CHANNEL_SWITCH);
2403 CMD(set_qos_map, SET_QOS_MAP);
2404 if (rdev->wiphy.features &
2405 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2406 CMD(add_tx_ts, ADD_TX_TS);
2407 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2408 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2409 CMD(update_ft_ies, UPDATE_FT_IES);
2410 if (rdev->wiphy.sar_capa)
2411 CMD(set_sar_specs, SET_SAR_SPECS);
2415 nla_nest_end(msg, nl_cmds);
2416 state->split_start++;
2421 if (rdev->ops->remain_on_channel &&
2422 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2424 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2425 rdev->wiphy.max_remain_on_channel_duration))
2426 goto nla_put_failure;
2428 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2429 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2430 goto nla_put_failure;
2432 state->split_start++;
2438 if (nl80211_send_wowlan(msg, rdev, state->split))
2439 goto nla_put_failure;
2440 state->split_start++;
2444 state->split_start++;
2448 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2449 rdev->wiphy.software_iftypes))
2450 goto nla_put_failure;
2452 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2454 goto nla_put_failure;
2456 state->split_start++;
2461 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2462 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2463 rdev->wiphy.ap_sme_capa))
2464 goto nla_put_failure;
2466 features = rdev->wiphy.features;
2468 * We can only add the per-channel limit information if the
2469 * dump is split, otherwise it makes it too big. Therefore
2470 * only advertise it in that case.
2473 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2474 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2475 goto nla_put_failure;
2477 if (rdev->wiphy.ht_capa_mod_mask &&
2478 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2479 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2480 rdev->wiphy.ht_capa_mod_mask))
2481 goto nla_put_failure;
2483 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2484 rdev->wiphy.max_acl_mac_addrs &&
2485 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2486 rdev->wiphy.max_acl_mac_addrs))
2487 goto nla_put_failure;
2490 * Any information below this point is only available to
2491 * applications that can deal with it being split. This
2492 * helps ensure that newly added capabilities don't break
2493 * older tools by overrunning their buffers.
2495 * We still increment split_start so that in the split
2496 * case we'll continue with more data in the next round,
2497 * but break unconditionally so unsplit data stops here.
2500 state->split_start++;
2502 state->split_start = 0;
2505 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2506 goto nla_put_failure;
2508 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2509 rdev->wiphy.max_sched_scan_plans) ||
2510 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2511 rdev->wiphy.max_sched_scan_plan_interval) ||
2512 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2513 rdev->wiphy.max_sched_scan_plan_iterations))
2514 goto nla_put_failure;
2516 if (rdev->wiphy.extended_capabilities &&
2517 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2518 rdev->wiphy.extended_capabilities_len,
2519 rdev->wiphy.extended_capabilities) ||
2520 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2521 rdev->wiphy.extended_capabilities_len,
2522 rdev->wiphy.extended_capabilities_mask)))
2523 goto nla_put_failure;
2525 if (rdev->wiphy.vht_capa_mod_mask &&
2526 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2527 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2528 rdev->wiphy.vht_capa_mod_mask))
2529 goto nla_put_failure;
2531 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2532 rdev->wiphy.perm_addr))
2533 goto nla_put_failure;
2535 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2536 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2537 rdev->wiphy.addr_mask))
2538 goto nla_put_failure;
2540 if (rdev->wiphy.n_addresses > 1) {
2543 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2545 goto nla_put_failure;
2547 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2548 if (nla_put(msg, i + 1, ETH_ALEN,
2549 rdev->wiphy.addresses[i].addr))
2550 goto nla_put_failure;
2552 nla_nest_end(msg, attr);
2555 state->split_start++;
2558 if (nl80211_send_coalesce(msg, rdev))
2559 goto nla_put_failure;
2561 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2562 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2563 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2564 goto nla_put_failure;
2566 if (rdev->wiphy.max_ap_assoc_sta &&
2567 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2568 rdev->wiphy.max_ap_assoc_sta))
2569 goto nla_put_failure;
2571 state->split_start++;
2574 if (rdev->wiphy.n_vendor_commands) {
2575 const struct nl80211_vendor_cmd_info *info;
2576 struct nlattr *nested;
2578 nested = nla_nest_start_noflag(msg,
2579 NL80211_ATTR_VENDOR_DATA);
2581 goto nla_put_failure;
2583 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2584 info = &rdev->wiphy.vendor_commands[i].info;
2585 if (nla_put(msg, i + 1, sizeof(*info), info))
2586 goto nla_put_failure;
2588 nla_nest_end(msg, nested);
2591 if (rdev->wiphy.n_vendor_events) {
2592 const struct nl80211_vendor_cmd_info *info;
2593 struct nlattr *nested;
2595 nested = nla_nest_start_noflag(msg,
2596 NL80211_ATTR_VENDOR_EVENTS);
2598 goto nla_put_failure;
2600 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2601 info = &rdev->wiphy.vendor_events[i];
2602 if (nla_put(msg, i + 1, sizeof(*info), info))
2603 goto nla_put_failure;
2605 nla_nest_end(msg, nested);
2607 state->split_start++;
2610 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2611 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2612 rdev->wiphy.max_num_csa_counters))
2613 goto nla_put_failure;
2615 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2616 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2617 goto nla_put_failure;
2619 if (rdev->wiphy.max_sched_scan_reqs &&
2620 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2621 rdev->wiphy.max_sched_scan_reqs))
2622 goto nla_put_failure;
2624 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2625 sizeof(rdev->wiphy.ext_features),
2626 rdev->wiphy.ext_features))
2627 goto nla_put_failure;
2629 if (rdev->wiphy.bss_select_support) {
2630 struct nlattr *nested;
2631 u32 bss_select_support = rdev->wiphy.bss_select_support;
2633 nested = nla_nest_start_noflag(msg,
2634 NL80211_ATTR_BSS_SELECT);
2636 goto nla_put_failure;
2639 while (bss_select_support) {
2640 if ((bss_select_support & 1) &&
2641 nla_put_flag(msg, i))
2642 goto nla_put_failure;
2644 bss_select_support >>= 1;
2646 nla_nest_end(msg, nested);
2649 state->split_start++;
2652 if (rdev->wiphy.num_iftype_ext_capab &&
2653 rdev->wiphy.iftype_ext_capab) {
2654 struct nlattr *nested_ext_capab, *nested;
2656 nested = nla_nest_start_noflag(msg,
2657 NL80211_ATTR_IFTYPE_EXT_CAPA);
2659 goto nla_put_failure;
2661 for (i = state->capa_start;
2662 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2663 const struct wiphy_iftype_ext_capab *capab;
2665 capab = &rdev->wiphy.iftype_ext_capab[i];
2667 nested_ext_capab = nla_nest_start_noflag(msg,
2669 if (!nested_ext_capab ||
2670 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2672 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2673 capab->extended_capabilities_len,
2674 capab->extended_capabilities) ||
2675 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2676 capab->extended_capabilities_len,
2677 capab->extended_capabilities_mask))
2678 goto nla_put_failure;
2680 nla_nest_end(msg, nested_ext_capab);
2684 nla_nest_end(msg, nested);
2685 if (i < rdev->wiphy.num_iftype_ext_capab) {
2686 state->capa_start = i + 1;
2691 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2692 rdev->wiphy.nan_supported_bands))
2693 goto nla_put_failure;
2695 if (wiphy_ext_feature_isset(&rdev->wiphy,
2696 NL80211_EXT_FEATURE_TXQS)) {
2697 struct cfg80211_txq_stats txqstats = {};
2700 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2702 !nl80211_put_txq_stats(msg, &txqstats,
2703 NL80211_ATTR_TXQ_STATS))
2704 goto nla_put_failure;
2706 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2707 rdev->wiphy.txq_limit))
2708 goto nla_put_failure;
2709 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2710 rdev->wiphy.txq_memory_limit))
2711 goto nla_put_failure;
2712 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2713 rdev->wiphy.txq_quantum))
2714 goto nla_put_failure;
2717 state->split_start++;
2720 if (nl80211_send_pmsr_capa(rdev, msg))
2721 goto nla_put_failure;
2723 state->split_start++;
2726 if (rdev->wiphy.akm_suites &&
2727 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2728 sizeof(u32) * rdev->wiphy.n_akm_suites,
2729 rdev->wiphy.akm_suites))
2730 goto nla_put_failure;
2732 if (nl80211_put_iftype_akm_suites(rdev, msg))
2733 goto nla_put_failure;
2735 if (nl80211_put_tid_config_support(rdev, msg))
2736 goto nla_put_failure;
2737 state->split_start++;
2740 if (nl80211_put_sar_specs(rdev, msg))
2741 goto nla_put_failure;
2744 state->split_start = 0;
2748 genlmsg_end(msg, hdr);
2752 genlmsg_cancel(msg, hdr);
2756 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2757 struct netlink_callback *cb,
2758 struct nl80211_dump_wiphy_state *state)
2760 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2766 ret = nlmsg_parse_deprecated(cb->nlh,
2767 GENL_HDRLEN + nl80211_fam.hdrsize,
2768 tb, nl80211_fam.maxattr,
2769 nl80211_policy, NULL);
2770 /* ignore parse errors for backward compatibility */
2776 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2777 if (tb[NL80211_ATTR_WIPHY])
2778 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2779 if (tb[NL80211_ATTR_WDEV])
2780 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2781 if (tb[NL80211_ATTR_IFINDEX]) {
2782 struct net_device *netdev;
2783 struct cfg80211_registered_device *rdev;
2784 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2786 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2791 if (netdev->ieee80211_ptr) {
2792 rdev = wiphy_to_rdev(
2793 netdev->ieee80211_ptr->wiphy);
2794 state->filter_wiphy = rdev->wiphy_idx;
2804 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2807 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2808 struct cfg80211_registered_device *rdev;
2812 state = kzalloc(sizeof(*state), GFP_KERNEL);
2817 state->filter_wiphy = -1;
2818 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2824 cb->args[0] = (long)state;
2827 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2828 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2830 if (++idx <= state->start)
2832 if (state->filter_wiphy != -1 &&
2833 state->filter_wiphy != rdev->wiphy_idx)
2835 /* attempt to fit multiple wiphy data chunks into the skb */
2837 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2839 NETLINK_CB(cb->skb).portid,
2841 NLM_F_MULTI, state);
2844 * If sending the wiphy data didn't fit (ENOBUFS
2845 * or EMSGSIZE returned), this SKB is still
2846 * empty (so it's not too big because another
2847 * wiphy dataset is already in the skb) and
2848 * we've not tried to adjust the dump allocation
2849 * yet ... then adjust the alloc size to be
2850 * bigger, and return 1 but with the empty skb.
2851 * This results in an empty message being RX'ed
2852 * in userspace, but that is ignored.
2854 * We can then retry with the larger buffer.
2856 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2857 !skb->len && !state->split &&
2858 cb->min_dump_alloc < 4096) {
2859 cb->min_dump_alloc = 4096;
2860 state->split_start = 0;
2867 } while (state->split_start > 0);
2877 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2879 kfree((void *)cb->args[0]);
2883 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2885 struct sk_buff *msg;
2886 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2887 struct nl80211_dump_wiphy_state state = {};
2889 msg = nlmsg_new(4096, GFP_KERNEL);
2893 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2894 info->snd_portid, info->snd_seq, 0,
2900 return genlmsg_reply(msg, info);
2903 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2904 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2905 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2906 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2907 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2908 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2911 static int parse_txq_params(struct nlattr *tb[],
2912 struct ieee80211_txq_params *txq_params)
2916 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2917 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2918 !tb[NL80211_TXQ_ATTR_AIFS])
2921 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2922 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2923 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2924 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2925 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2927 if (ac >= NL80211_NUM_ACS)
2929 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2933 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2936 * You can only set the channel explicitly for some interfaces,
2937 * most have their channel managed via their respective
2938 * "establish a connection" command (connect, join, ...)
2940 * For AP/GO and mesh mode, the channel can be set with the
2941 * channel userspace API, but is only stored and passed to the
2942 * low-level driver when the AP starts or the mesh is joined.
2943 * This is for backward compatibility, userspace can also give
2944 * the channel in the start-ap or join-mesh commands instead.
2946 * Monitors are special as they are normally slaved to
2947 * whatever else is going on, so they have their own special
2948 * operation to set the monitor channel if possible.
2951 wdev->iftype == NL80211_IFTYPE_AP ||
2952 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2953 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2954 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2957 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2958 struct genl_info *info,
2959 struct cfg80211_chan_def *chandef)
2961 struct netlink_ext_ack *extack = info->extack;
2962 struct nlattr **attrs = info->attrs;
2965 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
2968 control_freq = MHZ_TO_KHZ(
2969 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
2970 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
2972 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
2974 memset(chandef, 0, sizeof(*chandef));
2975 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
2976 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2977 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
2978 chandef->freq1_offset = control_freq % 1000;
2979 chandef->center_freq2 = 0;
2981 /* Primary channel not allowed */
2982 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2983 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2984 "Channel is disabled");
2988 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2989 enum nl80211_channel_type chantype;
2991 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2994 case NL80211_CHAN_NO_HT:
2995 case NL80211_CHAN_HT20:
2996 case NL80211_CHAN_HT40PLUS:
2997 case NL80211_CHAN_HT40MINUS:
2998 cfg80211_chandef_create(chandef, chandef->chan,
3000 /* user input for center_freq is incorrect */
3001 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3002 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3003 NL_SET_ERR_MSG_ATTR(extack,
3004 attrs[NL80211_ATTR_CENTER_FREQ1],
3005 "bad center frequency 1");
3008 /* center_freq2 must be zero */
3009 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3010 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3011 NL_SET_ERR_MSG_ATTR(extack,
3012 attrs[NL80211_ATTR_CENTER_FREQ2],
3013 "center frequency 2 can't be used");
3018 NL_SET_ERR_MSG_ATTR(extack,
3019 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3020 "invalid channel type");
3023 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3025 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
3026 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3027 chandef->center_freq1 =
3028 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
3029 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3030 chandef->freq1_offset = nla_get_u32(
3031 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3033 chandef->freq1_offset = 0;
3035 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3036 chandef->center_freq2 =
3037 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3040 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3041 chandef->edmg.channels =
3042 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3044 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3045 chandef->edmg.bw_config =
3046 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3048 chandef->edmg.bw_config = 0;
3049 chandef->edmg.channels = 0;
3052 if (!cfg80211_chandef_valid(chandef)) {
3053 NL_SET_ERR_MSG(extack, "invalid channel definition");
3057 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
3058 IEEE80211_CHAN_DISABLED)) {
3059 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3063 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3064 chandef->width == NL80211_CHAN_WIDTH_10) &&
3065 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3066 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
3073 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
3074 struct net_device *dev,
3075 struct genl_info *info)
3077 struct cfg80211_chan_def chandef;
3079 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
3080 struct wireless_dev *wdev = NULL;
3083 wdev = dev->ieee80211_ptr;
3084 if (!nl80211_can_set_dev_channel(wdev))
3087 iftype = wdev->iftype;
3089 result = nl80211_parse_chandef(rdev, info, &chandef);
3094 case NL80211_IFTYPE_AP:
3095 case NL80211_IFTYPE_P2P_GO:
3096 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3101 if (wdev->beacon_interval) {
3102 if (!dev || !rdev->ops->set_ap_chanwidth ||
3103 !(rdev->wiphy.features &
3104 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
3109 /* Only allow dynamic channel width changes */
3110 if (chandef.chan != wdev->preset_chandef.chan) {
3114 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
3118 wdev->preset_chandef = chandef;
3121 case NL80211_IFTYPE_MESH_POINT:
3122 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
3124 case NL80211_IFTYPE_MONITOR:
3125 result = cfg80211_set_monitor_channel(rdev, &chandef);
3134 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3136 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3137 struct net_device *netdev = info->user_ptr[1];
3139 return __nl80211_set_channel(rdev, netdev, info);
3142 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3144 struct cfg80211_registered_device *rdev;
3145 struct net_device *netdev = NULL;
3146 struct wireless_dev *wdev;
3147 int result = 0, rem_txq_params = 0;
3148 struct nlattr *nl_txq_params;
3150 u8 retry_short = 0, retry_long = 0;
3151 u32 frag_threshold = 0, rts_threshold = 0;
3152 u8 coverage_class = 0;
3153 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
3158 * Try to find the wiphy and netdev. Normally this
3159 * function shouldn't need the netdev, but this is
3160 * done for backward compatibility -- previously
3161 * setting the channel was done per wiphy, but now
3162 * it is per netdev. Previous userland like hostapd
3163 * also passed a netdev to set_wiphy, so that it is
3164 * possible to let that go to the right netdev!
3167 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3168 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3170 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
3171 if (netdev && netdev->ieee80211_ptr)
3172 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
3178 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3181 return PTR_ERR(rdev);
3186 wdev = netdev->ieee80211_ptr;
3189 * end workaround code, by now the rdev is available
3190 * and locked, and wdev may or may not be NULL.
3193 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
3194 result = cfg80211_dev_rename(
3195 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
3200 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3201 struct ieee80211_txq_params txq_params;
3202 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3204 if (!rdev->ops->set_txq_params)
3210 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3211 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3214 if (!netif_running(netdev))
3217 nla_for_each_nested(nl_txq_params,
3218 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3220 result = nla_parse_nested_deprecated(tb,
3221 NL80211_TXQ_ATTR_MAX,
3227 result = parse_txq_params(tb, &txq_params);
3231 result = rdev_set_txq_params(rdev, netdev,
3238 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3239 result = __nl80211_set_channel(
3241 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3247 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
3248 struct wireless_dev *txp_wdev = wdev;
3249 enum nl80211_tx_power_setting type;
3252 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3255 if (!rdev->ops->set_tx_power)
3258 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3259 type = nla_get_u32(info->attrs[idx]);
3261 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
3262 (type != NL80211_TX_POWER_AUTOMATIC))
3265 if (type != NL80211_TX_POWER_AUTOMATIC) {
3266 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3267 mbm = nla_get_u32(info->attrs[idx]);
3270 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
3275 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3276 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3279 if ((!rdev->wiphy.available_antennas_tx &&
3280 !rdev->wiphy.available_antennas_rx) ||
3281 !rdev->ops->set_antenna)
3284 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3285 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3287 /* reject antenna configurations which don't match the
3288 * available antenna masks, except for the "all" mask */
3289 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3290 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
3293 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3294 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3296 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3303 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3304 retry_short = nla_get_u8(
3305 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3307 changed |= WIPHY_PARAM_RETRY_SHORT;
3310 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3311 retry_long = nla_get_u8(
3312 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3314 changed |= WIPHY_PARAM_RETRY_LONG;
3317 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3318 frag_threshold = nla_get_u32(
3319 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3320 if (frag_threshold < 256)
3323 if (frag_threshold != (u32) -1) {
3325 * Fragments (apart from the last one) are required to
3326 * have even length. Make the fragmentation code
3327 * simpler by stripping LSB should someone try to use
3328 * odd threshold value.
3330 frag_threshold &= ~0x1;
3332 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3335 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3336 rts_threshold = nla_get_u32(
3337 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3338 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3341 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3342 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
3345 coverage_class = nla_get_u8(
3346 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3347 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3350 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3351 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
3354 changed |= WIPHY_PARAM_DYN_ACK;
3357 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3358 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3359 NL80211_EXT_FEATURE_TXQS))
3361 txq_limit = nla_get_u32(
3362 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3363 changed |= WIPHY_PARAM_TXQ_LIMIT;
3366 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3367 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3368 NL80211_EXT_FEATURE_TXQS))
3370 txq_memory_limit = nla_get_u32(
3371 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3372 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3375 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3376 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3377 NL80211_EXT_FEATURE_TXQS))
3379 txq_quantum = nla_get_u32(
3380 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3381 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3385 u8 old_retry_short, old_retry_long;
3386 u32 old_frag_threshold, old_rts_threshold;
3387 u8 old_coverage_class;
3388 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3390 if (!rdev->ops->set_wiphy_params)
3393 old_retry_short = rdev->wiphy.retry_short;
3394 old_retry_long = rdev->wiphy.retry_long;
3395 old_frag_threshold = rdev->wiphy.frag_threshold;
3396 old_rts_threshold = rdev->wiphy.rts_threshold;
3397 old_coverage_class = rdev->wiphy.coverage_class;
3398 old_txq_limit = rdev->wiphy.txq_limit;
3399 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3400 old_txq_quantum = rdev->wiphy.txq_quantum;
3402 if (changed & WIPHY_PARAM_RETRY_SHORT)
3403 rdev->wiphy.retry_short = retry_short;
3404 if (changed & WIPHY_PARAM_RETRY_LONG)
3405 rdev->wiphy.retry_long = retry_long;
3406 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3407 rdev->wiphy.frag_threshold = frag_threshold;
3408 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3409 rdev->wiphy.rts_threshold = rts_threshold;
3410 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3411 rdev->wiphy.coverage_class = coverage_class;
3412 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3413 rdev->wiphy.txq_limit = txq_limit;
3414 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3415 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3416 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3417 rdev->wiphy.txq_quantum = txq_quantum;
3419 result = rdev_set_wiphy_params(rdev, changed);
3421 rdev->wiphy.retry_short = old_retry_short;
3422 rdev->wiphy.retry_long = old_retry_long;
3423 rdev->wiphy.frag_threshold = old_frag_threshold;
3424 rdev->wiphy.rts_threshold = old_rts_threshold;
3425 rdev->wiphy.coverage_class = old_coverage_class;
3426 rdev->wiphy.txq_limit = old_txq_limit;
3427 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3428 rdev->wiphy.txq_quantum = old_txq_quantum;
3435 static int nl80211_send_chandef(struct sk_buff *msg,
3436 const struct cfg80211_chan_def *chandef)
3438 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3441 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3442 chandef->chan->center_freq))
3444 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3445 chandef->chan->freq_offset))
3447 switch (chandef->width) {
3448 case NL80211_CHAN_WIDTH_20_NOHT:
3449 case NL80211_CHAN_WIDTH_20:
3450 case NL80211_CHAN_WIDTH_40:
3451 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3452 cfg80211_get_chandef_type(chandef)))
3458 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3460 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3462 if (chandef->center_freq2 &&
3463 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3468 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3469 struct cfg80211_registered_device *rdev,
3470 struct wireless_dev *wdev,
3471 enum nl80211_commands cmd)
3473 struct net_device *dev = wdev->netdev;
3476 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3477 cmd != NL80211_CMD_DEL_INTERFACE &&
3478 cmd != NL80211_CMD_SET_INTERFACE);
3480 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3485 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3486 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3487 goto nla_put_failure;
3489 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3490 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3491 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3492 NL80211_ATTR_PAD) ||
3493 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3494 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3495 rdev->devlist_generation ^
3496 (cfg80211_rdev_list_generation << 2)) ||
3497 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3498 goto nla_put_failure;
3500 if (rdev->ops->get_channel) {
3502 struct cfg80211_chan_def chandef = {};
3504 ret = rdev_get_channel(rdev, wdev, &chandef);
3506 if (nl80211_send_chandef(msg, &chandef))
3507 goto nla_put_failure;
3511 if (rdev->ops->get_tx_power) {
3514 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3516 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3518 goto nla_put_failure;
3522 switch (wdev->iftype) {
3523 case NL80211_IFTYPE_AP:
3524 if (wdev->ssid_len &&
3525 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3526 goto nla_put_failure_locked;
3528 case NL80211_IFTYPE_STATION:
3529 case NL80211_IFTYPE_P2P_CLIENT:
3530 case NL80211_IFTYPE_ADHOC: {
3532 if (!wdev->current_bss)
3535 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3538 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3539 goto nla_put_failure_rcu_locked;
3549 if (rdev->ops->get_txq_stats) {
3550 struct cfg80211_txq_stats txqstats = {};
3551 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3554 !nl80211_put_txq_stats(msg, &txqstats,
3555 NL80211_ATTR_TXQ_STATS))
3556 goto nla_put_failure;
3559 genlmsg_end(msg, hdr);
3562 nla_put_failure_rcu_locked:
3564 nla_put_failure_locked:
3567 genlmsg_cancel(msg, hdr);
3571 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3575 int wp_start = cb->args[0];
3576 int if_start = cb->args[1];
3577 int filter_wiphy = -1;
3578 struct cfg80211_registered_device *rdev;
3579 struct wireless_dev *wdev;
3584 struct nl80211_dump_wiphy_state state = {
3588 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3592 filter_wiphy = state.filter_wiphy;
3595 * if filtering, set cb->args[2] to +1 since 0 is the default
3596 * value needed to determine that parsing is necessary.
3598 if (filter_wiphy >= 0)
3599 cb->args[2] = filter_wiphy + 1;
3602 } else if (cb->args[2] > 0) {
3603 filter_wiphy = cb->args[2] - 1;
3606 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3607 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3609 if (wp_idx < wp_start) {
3614 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3619 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3620 if (if_idx < if_start) {
3624 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3625 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3627 NL80211_CMD_NEW_INTERFACE) < 0) {
3636 cb->args[0] = wp_idx;
3637 cb->args[1] = if_idx;
3646 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3648 struct sk_buff *msg;
3649 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3650 struct wireless_dev *wdev = info->user_ptr[1];
3652 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3656 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3657 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3662 return genlmsg_reply(msg, info);
3665 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3666 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3667 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3668 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3669 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3670 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3671 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3674 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3676 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3684 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3687 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3689 *mntrflags |= (1<<flag);
3691 *mntrflags |= MONITOR_FLAG_CHANGED;
3696 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3697 enum nl80211_iftype type,
3698 struct genl_info *info,
3699 struct vif_params *params)
3701 bool change = false;
3704 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3705 if (type != NL80211_IFTYPE_MONITOR)
3708 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3716 if (params->flags & MONITOR_FLAG_ACTIVE &&
3717 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3720 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3721 const u8 *mumimo_groups;
3722 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3724 if (type != NL80211_IFTYPE_MONITOR)
3727 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3731 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3733 /* bits 0 and 63 are reserved and must be zero */
3734 if ((mumimo_groups[0] & BIT(0)) ||
3735 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3738 params->vht_mumimo_groups = mumimo_groups;
3742 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3743 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3745 if (type != NL80211_IFTYPE_MONITOR)
3748 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3751 params->vht_mumimo_follow_addr =
3752 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3756 return change ? 1 : 0;
3759 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3760 struct net_device *netdev, u8 use_4addr,
3761 enum nl80211_iftype iftype)
3764 if (netdev && netif_is_bridge_port(netdev))
3770 case NL80211_IFTYPE_AP_VLAN:
3771 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3774 case NL80211_IFTYPE_STATION:
3775 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3785 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3787 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3788 struct vif_params params;
3790 enum nl80211_iftype otype, ntype;
3791 struct net_device *dev = info->user_ptr[1];
3792 bool change = false;
3794 memset(¶ms, 0, sizeof(params));
3796 otype = ntype = dev->ieee80211_ptr->iftype;
3798 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3799 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3804 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3805 struct wireless_dev *wdev = dev->ieee80211_ptr;
3807 if (ntype != NL80211_IFTYPE_MESH_POINT)
3809 if (netif_running(dev))
3813 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3814 IEEE80211_MAX_MESH_ID_LEN);
3815 wdev->mesh_id_up_len =
3816 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3817 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3818 wdev->mesh_id_up_len);
3822 if (info->attrs[NL80211_ATTR_4ADDR]) {
3823 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3825 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3829 params.use_4addr = -1;
3832 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3839 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3843 if (!err && params.use_4addr != -1)
3844 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3846 if (change && !err) {
3847 struct wireless_dev *wdev = dev->ieee80211_ptr;
3849 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3855 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3857 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3858 struct vif_params params;
3859 struct wireless_dev *wdev;
3860 struct sk_buff *msg;
3862 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3864 /* to avoid failing a new interface creation due to pending removal */
3865 cfg80211_destroy_ifaces(rdev);
3867 memset(¶ms, 0, sizeof(params));
3869 if (!info->attrs[NL80211_ATTR_IFNAME])
3872 if (info->attrs[NL80211_ATTR_IFTYPE])
3873 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3875 if (!rdev->ops->add_virtual_intf)
3878 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3879 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3880 info->attrs[NL80211_ATTR_MAC]) {
3881 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3883 if (!is_valid_ether_addr(params.macaddr))
3884 return -EADDRNOTAVAIL;
3887 if (info->attrs[NL80211_ATTR_4ADDR]) {
3888 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3889 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3894 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
3897 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3901 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3905 wdev = rdev_add_virtual_intf(rdev,
3906 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3907 NET_NAME_USER, type, ¶ms);
3908 if (WARN_ON(!wdev)) {
3911 } else if (IS_ERR(wdev)) {
3913 return PTR_ERR(wdev);
3916 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3917 wdev->owner_nlportid = info->snd_portid;
3920 case NL80211_IFTYPE_MESH_POINT:
3921 if (!info->attrs[NL80211_ATTR_MESH_ID])
3924 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3925 IEEE80211_MAX_MESH_ID_LEN);
3926 wdev->mesh_id_up_len =
3927 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3928 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3929 wdev->mesh_id_up_len);
3932 case NL80211_IFTYPE_NAN:
3933 case NL80211_IFTYPE_P2P_DEVICE:
3935 * P2P Device and NAN do not have a netdev, so don't go
3936 * through the netdev notifier and must be added here
3938 cfg80211_init_wdev(wdev);
3939 cfg80211_register_wdev(rdev, wdev);
3945 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3946 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3951 return genlmsg_reply(msg, info);
3954 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3956 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3957 struct wireless_dev *wdev = info->user_ptr[1];
3959 if (!rdev->ops->del_virtual_intf)
3963 * If we remove a wireless device without a netdev then clear
3964 * user_ptr[1] so that nl80211_post_doit won't dereference it
3965 * to check if it needs to do dev_put(). Otherwise it crashes
3966 * since the wdev has been freed, unlike with a netdev where
3967 * we need the dev_put() for the netdev to really be freed.
3970 info->user_ptr[1] = NULL;
3972 return rdev_del_virtual_intf(rdev, wdev);
3975 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3977 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3978 struct net_device *dev = info->user_ptr[1];
3981 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3984 if (!rdev->ops->set_noack_map)
3987 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3989 return rdev_set_noack_map(rdev, dev, noack_map);
3992 struct get_key_cookie {
3993 struct sk_buff *msg;
3998 static void get_key_callback(void *c, struct key_params *params)
4001 struct get_key_cookie *cookie = c;
4004 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4005 params->key_len, params->key)) ||
4007 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4008 params->seq_len, params->seq)) ||
4010 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4012 goto nla_put_failure;
4014 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
4016 goto nla_put_failure;
4019 nla_put(cookie->msg, NL80211_KEY_DATA,
4020 params->key_len, params->key)) ||
4022 nla_put(cookie->msg, NL80211_KEY_SEQ,
4023 params->seq_len, params->seq)) ||
4025 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4027 goto nla_put_failure;
4029 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
4030 goto nla_put_failure;
4032 nla_nest_end(cookie->msg, key);
4039 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4041 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4043 struct net_device *dev = info->user_ptr[1];
4045 const u8 *mac_addr = NULL;
4047 struct get_key_cookie cookie = {
4051 struct sk_buff *msg;
4052 bool bigtk_support = false;
4054 if (wiphy_ext_feature_isset(&rdev->wiphy,
4055 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4056 bigtk_support = true;
4058 if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
4059 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4060 wiphy_ext_feature_isset(&rdev->wiphy,
4061 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4062 bigtk_support = true;
4064 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4065 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4067 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4068 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4073 if (info->attrs[NL80211_ATTR_MAC])
4074 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4076 pairwise = !!mac_addr;
4077 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4078 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4080 if (kt != NL80211_KEYTYPE_GROUP &&
4081 kt != NL80211_KEYTYPE_PAIRWISE)
4083 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4086 if (!rdev->ops->get_key)
4089 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4092 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4096 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4097 NL80211_CMD_NEW_KEY);
4099 goto nla_put_failure;
4102 cookie.idx = key_idx;
4104 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4105 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4106 goto nla_put_failure;
4108 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4109 goto nla_put_failure;
4111 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
4118 goto nla_put_failure;
4120 genlmsg_end(msg, hdr);
4121 return genlmsg_reply(msg, info);
4130 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4132 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4133 struct key_parse key;
4135 struct net_device *dev = info->user_ptr[1];
4137 err = nl80211_parse_key(info, &key);
4144 /* Only support setting default key and
4145 * Extended Key ID action NL80211_KEY_SET_TX.
4147 if (!key.def && !key.defmgmt && !key.defbeacon &&
4148 !(key.p.mode == NL80211_KEY_SET_TX))
4151 wdev_lock(dev->ieee80211_ptr);
4154 if (!rdev->ops->set_default_key) {
4159 err = nl80211_key_allowed(dev->ieee80211_ptr);
4163 err = rdev_set_default_key(rdev, dev, key.idx,
4164 key.def_uni, key.def_multi);
4169 #ifdef CONFIG_CFG80211_WEXT
4170 dev->ieee80211_ptr->wext.default_key = key.idx;
4172 } else if (key.defmgmt) {
4173 if (key.def_uni || !key.def_multi) {
4178 if (!rdev->ops->set_default_mgmt_key) {
4183 err = nl80211_key_allowed(dev->ieee80211_ptr);
4187 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
4191 #ifdef CONFIG_CFG80211_WEXT
4192 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
4194 } else if (key.defbeacon) {
4195 if (key.def_uni || !key.def_multi) {
4200 if (!rdev->ops->set_default_beacon_key) {
4205 err = nl80211_key_allowed(dev->ieee80211_ptr);
4209 err = rdev_set_default_beacon_key(rdev, dev, key.idx);
4212 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4213 wiphy_ext_feature_isset(&rdev->wiphy,
4214 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4215 u8 *mac_addr = NULL;
4217 if (info->attrs[NL80211_ATTR_MAC])
4218 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4220 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4225 err = rdev_add_key(rdev, dev, key.idx,
4226 NL80211_KEYTYPE_PAIRWISE,
4232 wdev_unlock(dev->ieee80211_ptr);
4237 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4239 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4241 struct net_device *dev = info->user_ptr[1];
4242 struct key_parse key;
4243 const u8 *mac_addr = NULL;
4245 err = nl80211_parse_key(info, &key);
4250 GENL_SET_ERR_MSG(info, "no key");
4254 if (info->attrs[NL80211_ATTR_MAC])
4255 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4257 if (key.type == -1) {
4259 key.type = NL80211_KEYTYPE_PAIRWISE;
4261 key.type = NL80211_KEYTYPE_GROUP;
4265 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4266 key.type != NL80211_KEYTYPE_GROUP) {
4267 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4271 if (key.type == NL80211_KEYTYPE_GROUP &&
4272 info->attrs[NL80211_ATTR_VLAN_ID])
4273 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4275 if (!rdev->ops->add_key)
4278 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4279 key.type == NL80211_KEYTYPE_PAIRWISE,
4281 GENL_SET_ERR_MSG(info, "key setting validation failed");
4285 wdev_lock(dev->ieee80211_ptr);
4286 err = nl80211_key_allowed(dev->ieee80211_ptr);
4288 GENL_SET_ERR_MSG(info, "key not allowed");
4290 err = rdev_add_key(rdev, dev, key.idx,
4291 key.type == NL80211_KEYTYPE_PAIRWISE,
4294 GENL_SET_ERR_MSG(info, "key addition failed");
4296 wdev_unlock(dev->ieee80211_ptr);
4301 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4303 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4305 struct net_device *dev = info->user_ptr[1];
4306 u8 *mac_addr = NULL;
4307 struct key_parse key;
4309 err = nl80211_parse_key(info, &key);
4313 if (info->attrs[NL80211_ATTR_MAC])
4314 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4316 if (key.type == -1) {
4318 key.type = NL80211_KEYTYPE_PAIRWISE;
4320 key.type = NL80211_KEYTYPE_GROUP;
4324 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4325 key.type != NL80211_KEYTYPE_GROUP)
4328 if (!cfg80211_valid_key_idx(rdev, key.idx,
4329 key.type == NL80211_KEYTYPE_PAIRWISE))
4332 if (!rdev->ops->del_key)
4335 wdev_lock(dev->ieee80211_ptr);
4336 err = nl80211_key_allowed(dev->ieee80211_ptr);
4338 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4339 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4343 err = rdev_del_key(rdev, dev, key.idx,
4344 key.type == NL80211_KEYTYPE_PAIRWISE,
4347 #ifdef CONFIG_CFG80211_WEXT
4349 if (key.idx == dev->ieee80211_ptr->wext.default_key)
4350 dev->ieee80211_ptr->wext.default_key = -1;
4351 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
4352 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4355 wdev_unlock(dev->ieee80211_ptr);
4360 /* This function returns an error or the number of nested attributes */
4361 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4363 struct nlattr *attr;
4364 int n_entries = 0, tmp;
4366 nla_for_each_nested(attr, nl_attr, tmp) {
4367 if (nla_len(attr) != ETH_ALEN)
4377 * This function parses ACL information and allocates memory for ACL data.
4378 * On successful return, the calling function is responsible to free the
4379 * ACL buffer returned by this function.
4381 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4382 struct genl_info *info)
4384 enum nl80211_acl_policy acl_policy;
4385 struct nlattr *attr;
4386 struct cfg80211_acl_data *acl;
4387 int i = 0, n_entries, tmp;
4389 if (!wiphy->max_acl_mac_addrs)
4390 return ERR_PTR(-EOPNOTSUPP);
4392 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4393 return ERR_PTR(-EINVAL);
4395 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4396 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4397 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4398 return ERR_PTR(-EINVAL);
4400 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4401 return ERR_PTR(-EINVAL);
4403 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4405 return ERR_PTR(n_entries);
4407 if (n_entries > wiphy->max_acl_mac_addrs)
4408 return ERR_PTR(-ENOTSUPP);
4410 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4412 return ERR_PTR(-ENOMEM);
4414 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4415 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4419 acl->n_acl_entries = n_entries;
4420 acl->acl_policy = acl_policy;
4425 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4427 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4428 struct net_device *dev = info->user_ptr[1];
4429 struct cfg80211_acl_data *acl;
4432 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4433 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4436 if (!dev->ieee80211_ptr->beacon_interval)
4439 acl = parse_acl_data(&rdev->wiphy, info);
4441 return PTR_ERR(acl);
4443 err = rdev_set_mac_acl(rdev, dev, acl);
4450 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4451 u8 *rates, u8 rates_len)
4456 for (i = 0; i < rates_len; i++) {
4457 int rate = (rates[i] & 0x7f) * 5;
4460 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4461 struct ieee80211_rate *srate =
4462 &sband->bitrates[ridx];
4463 if (rate == srate->bitrate) {
4468 if (ridx == sband->n_bitrates)
4469 return 0; /* rate not found */
4475 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4476 u8 *rates, u8 rates_len,
4477 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4481 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4483 for (i = 0; i < rates_len; i++) {
4486 ridx = rates[i] / 8;
4487 rbit = BIT(rates[i] % 8);
4489 /* check validity */
4490 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4493 /* check availability */
4494 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4495 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4504 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4508 switch (vht_mcs_map) {
4509 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4511 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4514 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4517 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4527 static void vht_build_mcs_mask(u16 vht_mcs_map,
4528 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4532 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4533 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4538 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4539 struct nl80211_txrate_vht *txrate,
4540 u16 mcs[NL80211_VHT_NSS_MAX])
4542 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4543 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4546 if (!sband->vht_cap.vht_supported)
4549 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4551 /* Build vht_mcs_mask from VHT capabilities */
4552 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4554 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4555 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4556 mcs[i] = txrate->mcs[i];
4564 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
4566 switch (he_mcs_map) {
4567 case IEEE80211_HE_MCS_NOT_SUPPORTED:
4569 case IEEE80211_HE_MCS_SUPPORT_0_7:
4571 case IEEE80211_HE_MCS_SUPPORT_0_9:
4573 case IEEE80211_HE_MCS_SUPPORT_0_11:
4581 static void he_build_mcs_mask(u16 he_mcs_map,
4582 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
4586 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
4587 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
4592 static u16 he_get_txmcsmap(struct genl_info *info,
4593 const struct ieee80211_sta_he_cap *he_cap)
4595 struct net_device *dev = info->user_ptr[1];
4596 struct wireless_dev *wdev = dev->ieee80211_ptr;
4599 switch (wdev->chandef.width) {
4600 case NL80211_CHAN_WIDTH_80P80:
4601 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
4603 case NL80211_CHAN_WIDTH_160:
4604 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
4607 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
4610 return le16_to_cpu(tx_mcs);
4613 static bool he_set_mcs_mask(struct genl_info *info,
4614 struct wireless_dev *wdev,
4615 struct ieee80211_supported_band *sband,
4616 struct nl80211_txrate_he *txrate,
4617 u16 mcs[NL80211_HE_NSS_MAX])
4619 const struct ieee80211_sta_he_cap *he_cap;
4620 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
4624 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4628 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
4630 tx_mcs_map = he_get_txmcsmap(info, he_cap);
4632 /* Build he_mcs_mask from HE capabilities */
4633 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4635 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4636 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4637 mcs[i] = txrate->mcs[i];
4645 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4646 struct nlattr *attrs[],
4647 enum nl80211_attrs attr,
4648 struct cfg80211_bitrate_mask *mask,
4649 struct net_device *dev,
4650 bool default_all_enabled)
4652 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4653 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4654 struct wireless_dev *wdev = dev->ieee80211_ptr;
4656 struct nlattr *tx_rates;
4657 struct ieee80211_supported_band *sband;
4658 u16 vht_tx_mcs_map, he_tx_mcs_map;
4660 memset(mask, 0, sizeof(*mask));
4661 /* Default to all rates enabled */
4662 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4663 const struct ieee80211_sta_he_cap *he_cap;
4665 if (!default_all_enabled)
4668 sband = rdev->wiphy.bands[i];
4673 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4674 memcpy(mask->control[i].ht_mcs,
4675 sband->ht_cap.mcs.rx_mask,
4676 sizeof(mask->control[i].ht_mcs));
4678 if (!sband->vht_cap.vht_supported)
4681 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4682 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4684 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4688 he_tx_mcs_map = he_get_txmcsmap(info, he_cap);
4689 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
4691 mask->control[i].he_gi = 0xFF;
4692 mask->control[i].he_ltf = 0xFF;
4695 /* if no rates are given set it back to the defaults */
4699 /* The nested attribute uses enum nl80211_band as the index. This maps
4700 * directly to the enum nl80211_band values used in cfg80211.
4702 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4703 nla_for_each_nested(tx_rates, attrs[attr], rem) {
4704 enum nl80211_band band = nla_type(tx_rates);
4707 if (band < 0 || band >= NUM_NL80211_BANDS)
4709 sband = rdev->wiphy.bands[band];
4712 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4714 nl80211_txattr_policy,
4718 if (tb[NL80211_TXRATE_LEGACY]) {
4719 mask->control[band].legacy = rateset_to_mask(
4721 nla_data(tb[NL80211_TXRATE_LEGACY]),
4722 nla_len(tb[NL80211_TXRATE_LEGACY]));
4723 if ((mask->control[band].legacy == 0) &&
4724 nla_len(tb[NL80211_TXRATE_LEGACY]))
4727 if (tb[NL80211_TXRATE_HT]) {
4728 if (!ht_rateset_to_mask(
4730 nla_data(tb[NL80211_TXRATE_HT]),
4731 nla_len(tb[NL80211_TXRATE_HT]),
4732 mask->control[band].ht_mcs))
4736 if (tb[NL80211_TXRATE_VHT]) {
4737 if (!vht_set_mcs_mask(
4739 nla_data(tb[NL80211_TXRATE_VHT]),
4740 mask->control[band].vht_mcs))
4744 if (tb[NL80211_TXRATE_GI]) {
4745 mask->control[band].gi =
4746 nla_get_u8(tb[NL80211_TXRATE_GI]);
4747 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4750 if (tb[NL80211_TXRATE_HE] &&
4751 !he_set_mcs_mask(info, wdev, sband,
4752 nla_data(tb[NL80211_TXRATE_HE]),
4753 mask->control[band].he_mcs))
4756 if (tb[NL80211_TXRATE_HE_GI])
4757 mask->control[band].he_gi =
4758 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
4759 if (tb[NL80211_TXRATE_HE_LTF])
4760 mask->control[band].he_ltf =
4761 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
4763 if (mask->control[band].legacy == 0) {
4764 /* don't allow empty legacy rates if HT, VHT or HE
4765 * are not even supported.
4767 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4768 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
4769 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
4772 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4773 if (mask->control[band].ht_mcs[i])
4776 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4777 if (mask->control[band].vht_mcs[i])
4780 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
4781 if (mask->control[band].he_mcs[i])
4784 /* legacy and mcs rates may not be both empty */
4793 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4794 enum nl80211_band band,
4795 struct cfg80211_bitrate_mask *beacon_rate)
4797 u32 count_ht, count_vht, count_he, i;
4798 u32 rate = beacon_rate->control[band].legacy;
4800 /* Allow only one rate */
4801 if (hweight32(rate) > 1)
4805 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4806 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4808 } else if (beacon_rate->control[band].ht_mcs[i]) {
4813 if (count_ht && rate)
4818 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4819 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4821 } else if (beacon_rate->control[band].vht_mcs[i]) {
4826 if (count_vht && rate)
4831 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4832 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
4834 } else if (beacon_rate->control[band].he_mcs[i]) {
4839 if (count_he && rate)
4843 if ((count_ht && count_vht && count_he) ||
4844 (!rate && !count_ht && !count_vht && !count_he))
4848 !wiphy_ext_feature_isset(&rdev->wiphy,
4849 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4852 !wiphy_ext_feature_isset(&rdev->wiphy,
4853 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4856 !wiphy_ext_feature_isset(&rdev->wiphy,
4857 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4860 !wiphy_ext_feature_isset(&rdev->wiphy,
4861 NL80211_EXT_FEATURE_BEACON_RATE_HE))
4867 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4868 struct nlattr *attrs[],
4869 struct cfg80211_beacon_data *bcn)
4871 bool haveinfo = false;
4874 memset(bcn, 0, sizeof(*bcn));
4876 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4877 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4878 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4884 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4885 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4886 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4893 if (attrs[NL80211_ATTR_IE]) {
4894 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4895 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4898 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4899 bcn->proberesp_ies =
4900 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4901 bcn->proberesp_ies_len =
4902 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4905 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4906 bcn->assocresp_ies =
4907 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4908 bcn->assocresp_ies_len =
4909 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4912 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4913 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4914 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
4917 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4918 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4920 err = nla_parse_nested_deprecated(tb,
4921 NL80211_FTM_RESP_ATTR_MAX,
4922 attrs[NL80211_ATTR_FTM_RESPONDER],
4927 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4928 wiphy_ext_feature_isset(&rdev->wiphy,
4929 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4930 bcn->ftm_responder = 1;
4934 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4935 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4936 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4939 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4940 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4941 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4944 bcn->ftm_responder = -1;
4950 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
4951 struct ieee80211_he_obss_pd *he_obss_pd)
4953 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
4956 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
4957 he_obss_pd_policy, NULL);
4961 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
4964 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
4966 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
4967 he_obss_pd->min_offset =
4968 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
4969 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
4970 he_obss_pd->max_offset =
4971 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
4972 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
4973 he_obss_pd->non_srg_max_offset =
4974 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
4976 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
4979 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
4980 memcpy(he_obss_pd->bss_color_bitmap,
4981 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
4982 sizeof(he_obss_pd->bss_color_bitmap));
4984 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
4985 memcpy(he_obss_pd->partial_bssid_bitmap,
4986 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
4987 sizeof(he_obss_pd->partial_bssid_bitmap));
4989 he_obss_pd->enable = true;
4994 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
4995 struct cfg80211_he_bss_color *he_bss_color)
4997 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5000 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5001 he_bss_color_policy, NULL);
5005 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5008 he_bss_color->color =
5009 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5010 he_bss_color->enabled =
5011 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5012 he_bss_color->partial =
5013 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5018 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5019 struct nlattr *attrs,
5020 struct cfg80211_ap_settings *params)
5022 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5024 struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery;
5026 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5027 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5030 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5035 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5036 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5037 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5040 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5041 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5042 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5043 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5049 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5050 struct nlattr *attrs,
5051 struct cfg80211_ap_settings *params)
5053 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5055 struct cfg80211_unsol_bcast_probe_resp *presp =
5056 ¶ms->unsol_bcast_probe_resp;
5058 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5059 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5062 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5067 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5068 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5071 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5072 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5073 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5077 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5085 for (i = 0; i < rates[1]; i++) {
5086 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5087 params->ht_required = true;
5088 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5089 params->vht_required = true;
5090 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5091 params->he_required = true;
5092 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5093 params->sae_h2e_required = true;
5098 * Since the nl80211 API didn't include, from the beginning, attributes about
5099 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5100 * benefit of drivers that rebuild IEs in the firmware.
5102 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5104 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5105 size_t ies_len = bcn->tail_len;
5106 const u8 *ies = bcn->tail;
5110 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
5111 nl80211_check_ap_rate_selectors(params, rates);
5113 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5114 nl80211_check_ap_rate_selectors(params, rates);
5116 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5117 if (cap && cap[1] >= sizeof(*params->ht_cap))
5118 params->ht_cap = (void *)(cap + 2);
5119 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5120 if (cap && cap[1] >= sizeof(*params->vht_cap))
5121 params->vht_cap = (void *)(cap + 2);
5122 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5123 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
5124 params->he_cap = (void *)(cap + 3);
5125 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5126 if (cap && cap[1] >= sizeof(*params->he_oper) + 1)
5127 params->he_oper = (void *)(cap + 3);
5130 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5131 struct cfg80211_ap_settings *params)
5133 struct wireless_dev *wdev;
5136 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5137 if (wdev->iftype != NL80211_IFTYPE_AP &&
5138 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5141 if (!wdev->preset_chandef.chan)
5144 params->chandef = wdev->preset_chandef;
5152 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5153 enum nl80211_auth_type auth_type,
5154 enum nl80211_commands cmd)
5156 if (auth_type > NL80211_AUTHTYPE_MAX)
5160 case NL80211_CMD_AUTHENTICATE:
5161 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5162 auth_type == NL80211_AUTHTYPE_SAE)
5164 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5165 NL80211_EXT_FEATURE_FILS_STA) &&
5166 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5167 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5168 auth_type == NL80211_AUTHTYPE_FILS_PK))
5171 case NL80211_CMD_CONNECT:
5172 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5173 !wiphy_ext_feature_isset(&rdev->wiphy,
5174 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5175 auth_type == NL80211_AUTHTYPE_SAE)
5178 /* FILS with SK PFS or PK not supported yet */
5179 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5180 auth_type == NL80211_AUTHTYPE_FILS_PK)
5182 if (!wiphy_ext_feature_isset(
5184 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5185 auth_type == NL80211_AUTHTYPE_FILS_SK)
5188 case NL80211_CMD_START_AP:
5189 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5190 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5191 auth_type == NL80211_AUTHTYPE_SAE)
5193 /* FILS not supported yet */
5194 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5195 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5196 auth_type == NL80211_AUTHTYPE_FILS_PK)
5204 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5206 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5207 struct net_device *dev = info->user_ptr[1];
5208 struct wireless_dev *wdev = dev->ieee80211_ptr;
5209 struct cfg80211_ap_settings params;
5212 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5213 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5216 if (!rdev->ops->start_ap)
5219 if (wdev->beacon_interval)
5222 memset(¶ms, 0, sizeof(params));
5224 /* these are required for START_AP */
5225 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5226 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5227 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5230 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
5234 params.beacon_interval =
5235 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5236 params.dtim_period =
5237 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5239 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5240 params.beacon_interval);
5245 * In theory, some of these attributes should be required here
5246 * but since they were not used when the command was originally
5247 * added, keep them optional for old user space programs to let
5248 * them continue to work with drivers that do not need the
5249 * additional information -- drivers must check!
5251 if (info->attrs[NL80211_ATTR_SSID]) {
5252 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5254 nla_len(info->attrs[NL80211_ATTR_SSID]);
5255 if (params.ssid_len == 0)
5259 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
5260 params.hidden_ssid = nla_get_u32(
5261 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
5263 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5265 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5266 params.auth_type = nla_get_u32(
5267 info->attrs[NL80211_ATTR_AUTH_TYPE]);
5268 if (!nl80211_valid_auth_type(rdev, params.auth_type,
5269 NL80211_CMD_START_AP))
5272 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5274 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
5275 NL80211_MAX_NR_CIPHER_SUITES);
5279 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
5280 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
5282 params.inactivity_timeout = nla_get_u16(
5283 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5286 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5287 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5289 params.p2p_ctwindow =
5290 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5291 if (params.p2p_ctwindow != 0 &&
5292 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
5296 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5299 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5301 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5302 params.p2p_opp_ps = tmp;
5303 if (params.p2p_opp_ps != 0 &&
5304 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
5308 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
5309 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
5312 } else if (wdev->preset_chandef.chan) {
5313 params.chandef = wdev->preset_chandef;
5314 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
5317 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
5321 if (info->attrs[NL80211_ATTR_TX_RATES]) {
5322 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5323 NL80211_ATTR_TX_RATES,
5324 ¶ms.beacon_rate,
5329 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
5330 ¶ms.beacon_rate);
5335 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
5337 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
5338 switch (params.smps_mode) {
5339 case NL80211_SMPS_OFF:
5341 case NL80211_SMPS_STATIC:
5342 if (!(rdev->wiphy.features &
5343 NL80211_FEATURE_STATIC_SMPS))
5346 case NL80211_SMPS_DYNAMIC:
5347 if (!(rdev->wiphy.features &
5348 NL80211_FEATURE_DYNAMIC_SMPS))
5355 params.smps_mode = NL80211_SMPS_OFF;
5358 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
5359 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
5362 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
5363 params.acl = parse_acl_data(&rdev->wiphy, info);
5364 if (IS_ERR(params.acl))
5365 return PTR_ERR(params.acl);
5368 params.twt_responder =
5369 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
5371 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5372 err = nl80211_parse_he_obss_pd(
5373 info->attrs[NL80211_ATTR_HE_OBSS_PD],
5374 ¶ms.he_obss_pd);
5379 if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5380 err = nl80211_parse_he_bss_color(
5381 info->attrs[NL80211_ATTR_HE_BSS_COLOR],
5382 ¶ms.he_bss_color);
5387 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
5388 err = nl80211_parse_fils_discovery(rdev,
5389 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
5395 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
5396 err = nl80211_parse_unsol_bcast_probe_resp(
5397 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
5403 nl80211_calculate_ap_params(¶ms);
5405 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
5406 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5409 err = rdev_start_ap(rdev, dev, ¶ms);
5411 wdev->preset_chandef = params.chandef;
5412 wdev->beacon_interval = params.beacon_interval;
5413 wdev->chandef = params.chandef;
5414 wdev->ssid_len = params.ssid_len;
5415 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
5417 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
5418 wdev->conn_owner_nlportid = info->snd_portid;
5428 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
5430 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5431 struct net_device *dev = info->user_ptr[1];
5432 struct wireless_dev *wdev = dev->ieee80211_ptr;
5433 struct cfg80211_beacon_data params;
5436 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5437 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5440 if (!rdev->ops->change_beacon)
5443 if (!wdev->beacon_interval)
5446 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
5451 err = rdev_change_beacon(rdev, dev, ¶ms);
5457 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
5459 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5460 struct net_device *dev = info->user_ptr[1];
5462 return cfg80211_stop_ap(rdev, dev, false);
5465 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
5466 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
5467 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
5468 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
5469 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
5470 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
5471 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5474 static int parse_station_flags(struct genl_info *info,
5475 enum nl80211_iftype iftype,
5476 struct station_parameters *params)
5478 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
5483 * Try parsing the new attribute first so userspace
5484 * can specify both for older kernels.
5486 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
5488 struct nl80211_sta_flag_update *sta_flags;
5490 sta_flags = nla_data(nla);
5491 params->sta_flags_mask = sta_flags->mask;
5492 params->sta_flags_set = sta_flags->set;
5493 params->sta_flags_set &= params->sta_flags_mask;
5494 if ((params->sta_flags_mask |
5495 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
5500 /* if present, parse the old attribute */
5502 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5506 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5510 * Only allow certain flags for interface types so that
5511 * other attributes are silently ignored. Remember that
5512 * this is backward compatibility code with old userspace
5513 * and shouldn't be hit in other cases anyway.
5516 case NL80211_IFTYPE_AP:
5517 case NL80211_IFTYPE_AP_VLAN:
5518 case NL80211_IFTYPE_P2P_GO:
5519 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5520 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5521 BIT(NL80211_STA_FLAG_WME) |
5522 BIT(NL80211_STA_FLAG_MFP);
5524 case NL80211_IFTYPE_P2P_CLIENT:
5525 case NL80211_IFTYPE_STATION:
5526 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5527 BIT(NL80211_STA_FLAG_TDLS_PEER);
5529 case NL80211_IFTYPE_MESH_POINT:
5530 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5531 BIT(NL80211_STA_FLAG_MFP) |
5532 BIT(NL80211_STA_FLAG_AUTHORIZED);
5538 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
5540 params->sta_flags_set |= (1<<flag);
5542 /* no longer support new API additions in old API */
5543 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
5551 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
5553 struct nlattr *rate;
5556 enum nl80211_rate_info rate_flg;
5558 rate = nla_nest_start_noflag(msg, attr);
5562 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
5563 bitrate = cfg80211_calculate_bitrate(info);
5564 /* report 16-bit bitrate only if we can */
5565 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
5567 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
5569 if (bitrate_compat > 0 &&
5570 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
5574 case RATE_INFO_BW_5:
5575 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
5577 case RATE_INFO_BW_10:
5578 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
5583 case RATE_INFO_BW_20:
5586 case RATE_INFO_BW_40:
5587 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
5589 case RATE_INFO_BW_80:
5590 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
5592 case RATE_INFO_BW_160:
5593 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
5595 case RATE_INFO_BW_HE_RU:
5597 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
5600 if (rate_flg && nla_put_flag(msg, rate_flg))
5603 if (info->flags & RATE_INFO_FLAGS_MCS) {
5604 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5606 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5607 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5609 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5610 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5612 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5614 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5615 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5617 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5618 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5620 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5622 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5624 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5626 if (info->bw == RATE_INFO_BW_HE_RU &&
5627 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5632 nla_nest_end(msg, rate);
5636 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5645 attr = nla_nest_start_noflag(msg, id);
5649 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5650 if (!(mask & BIT(i)))
5653 if (nla_put_u8(msg, i, signal[i]))
5657 nla_nest_end(msg, attr);
5662 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5664 struct cfg80211_registered_device *rdev,
5665 struct net_device *dev,
5666 const u8 *mac_addr, struct station_info *sinfo)
5669 struct nlattr *sinfoattr, *bss_param;
5671 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
5673 cfg80211_sinfo_release_content(sinfo);
5677 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5678 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5679 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5680 goto nla_put_failure;
5682 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
5684 goto nla_put_failure;
5686 #define PUT_SINFO(attr, memb, type) do { \
5687 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
5688 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5689 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5691 goto nla_put_failure; \
5693 #define PUT_SINFO_U64(attr, memb) do { \
5694 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5695 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5696 sinfo->memb, NL80211_STA_INFO_PAD)) \
5697 goto nla_put_failure; \
5700 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5701 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
5702 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
5704 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5705 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
5706 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
5707 (u32)sinfo->rx_bytes))
5708 goto nla_put_failure;
5710 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5711 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
5712 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
5713 (u32)sinfo->tx_bytes))
5714 goto nla_put_failure;
5716 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5717 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
5718 PUT_SINFO(LLID, llid, u16);
5719 PUT_SINFO(PLID, plid, u16);
5720 PUT_SINFO(PLINK_STATE, plink_state, u8);
5721 PUT_SINFO_U64(RX_DURATION, rx_duration);
5722 PUT_SINFO_U64(TX_DURATION, tx_duration);
5724 if (wiphy_ext_feature_isset(&rdev->wiphy,
5725 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5726 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
5728 switch (rdev->wiphy.signal_type) {
5729 case CFG80211_SIGNAL_TYPE_MBM:
5730 PUT_SINFO(SIGNAL, signal, u8);
5731 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
5736 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
5737 if (!nl80211_put_signal(msg, sinfo->chains,
5738 sinfo->chain_signal,
5739 NL80211_STA_INFO_CHAIN_SIGNAL))
5740 goto nla_put_failure;
5742 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
5743 if (!nl80211_put_signal(msg, sinfo->chains,
5744 sinfo->chain_signal_avg,
5745 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5746 goto nla_put_failure;
5748 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
5749 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5750 NL80211_STA_INFO_TX_BITRATE))
5751 goto nla_put_failure;
5753 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
5754 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5755 NL80211_STA_INFO_RX_BITRATE))
5756 goto nla_put_failure;
5759 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5760 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5761 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5762 PUT_SINFO(TX_FAILED, tx_failed, u32);
5763 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5764 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5765 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5766 PUT_SINFO(LOCAL_PM, local_pm, u32);
5767 PUT_SINFO(PEER_PM, peer_pm, u32);
5768 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5769 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5770 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
5772 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5773 bss_param = nla_nest_start_noflag(msg,
5774 NL80211_STA_INFO_BSS_PARAM);
5776 goto nla_put_failure;
5778 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5779 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5780 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5781 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5782 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5783 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5784 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5785 sinfo->bss_param.dtim_period) ||
5786 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5787 sinfo->bss_param.beacon_interval))
5788 goto nla_put_failure;
5790 nla_nest_end(msg, bss_param);
5792 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5793 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5794 sizeof(struct nl80211_sta_flag_update),
5796 goto nla_put_failure;
5798 PUT_SINFO_U64(T_OFFSET, t_offset);
5799 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5800 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5801 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5802 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5803 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5804 if (wiphy_ext_feature_isset(&rdev->wiphy,
5805 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5806 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5807 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5811 #undef PUT_SINFO_U64
5813 if (sinfo->pertid) {
5814 struct nlattr *tidsattr;
5817 tidsattr = nla_nest_start_noflag(msg,
5818 NL80211_STA_INFO_TID_STATS);
5820 goto nla_put_failure;
5822 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5823 struct cfg80211_tid_stats *tidstats;
5824 struct nlattr *tidattr;
5826 tidstats = &sinfo->pertid[tid];
5828 if (!tidstats->filled)
5831 tidattr = nla_nest_start_noflag(msg, tid + 1);
5833 goto nla_put_failure;
5835 #define PUT_TIDVAL_U64(attr, memb) do { \
5836 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5837 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5838 tidstats->memb, NL80211_TID_STATS_PAD)) \
5839 goto nla_put_failure; \
5842 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5843 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5844 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5845 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5847 #undef PUT_TIDVAL_U64
5848 if ((tidstats->filled &
5849 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5850 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5851 NL80211_TID_STATS_TXQ_STATS))
5852 goto nla_put_failure;
5854 nla_nest_end(msg, tidattr);
5857 nla_nest_end(msg, tidsattr);
5860 nla_nest_end(msg, sinfoattr);
5862 if (sinfo->assoc_req_ies_len &&
5863 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5864 sinfo->assoc_req_ies))
5865 goto nla_put_failure;
5867 cfg80211_sinfo_release_content(sinfo);
5868 genlmsg_end(msg, hdr);
5872 cfg80211_sinfo_release_content(sinfo);
5873 genlmsg_cancel(msg, hdr);
5877 static int nl80211_dump_station(struct sk_buff *skb,
5878 struct netlink_callback *cb)
5880 struct station_info sinfo;
5881 struct cfg80211_registered_device *rdev;
5882 struct wireless_dev *wdev;
5883 u8 mac_addr[ETH_ALEN];
5884 int sta_idx = cb->args[2];
5888 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5892 if (!wdev->netdev) {
5897 if (!rdev->ops->dump_station) {
5903 memset(&sinfo, 0, sizeof(sinfo));
5904 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
5911 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
5912 NETLINK_CB(cb->skb).portid,
5913 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5914 rdev, wdev->netdev, mac_addr,
5922 cb->args[2] = sta_idx;
5930 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5932 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5933 struct net_device *dev = info->user_ptr[1];
5934 struct station_info sinfo;
5935 struct sk_buff *msg;
5936 u8 *mac_addr = NULL;
5939 memset(&sinfo, 0, sizeof(sinfo));
5941 if (!info->attrs[NL80211_ATTR_MAC])
5944 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5946 if (!rdev->ops->get_station)
5949 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
5953 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5955 cfg80211_sinfo_release_content(&sinfo);
5959 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5960 info->snd_portid, info->snd_seq, 0,
5961 rdev, dev, mac_addr, &sinfo) < 0) {
5966 return genlmsg_reply(msg, info);
5969 int cfg80211_check_station_change(struct wiphy *wiphy,
5970 struct station_parameters *params,
5971 enum cfg80211_station_type statype)
5973 if (params->listen_interval != -1 &&
5974 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5977 if (params->support_p2p_ps != -1 &&
5978 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5982 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5983 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5986 /* When you run into this, adjust the code below for the new flag */
5987 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5990 case CFG80211_STA_MESH_PEER_KERNEL:
5991 case CFG80211_STA_MESH_PEER_USER:
5993 * No ignoring the TDLS flag here -- the userspace mesh
5994 * code doesn't have the bug of including TDLS in the
5997 if (params->sta_flags_mask &
5998 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5999 BIT(NL80211_STA_FLAG_MFP) |
6000 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6003 case CFG80211_STA_TDLS_PEER_SETUP:
6004 case CFG80211_STA_TDLS_PEER_ACTIVE:
6005 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6007 /* ignore since it can't change */
6008 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6011 /* disallow mesh-specific things */
6012 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6014 if (params->local_pm)
6016 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6020 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6021 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6022 /* TDLS can't be set, ... */
6023 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6026 * ... but don't bother the driver with it. This works around
6027 * a hostapd/wpa_supplicant issue -- it always includes the
6028 * TLDS_PEER flag in the mask even for AP mode.
6030 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6033 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6034 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6035 /* reject other things that can't change */
6036 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6038 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6040 if (params->supported_rates)
6042 if (params->ext_capab || params->ht_capa || params->vht_capa ||
6047 if (statype != CFG80211_STA_AP_CLIENT &&
6048 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6054 case CFG80211_STA_AP_MLME_CLIENT:
6055 /* Use this only for authorizing/unauthorizing a station */
6056 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6059 case CFG80211_STA_AP_CLIENT:
6060 case CFG80211_STA_AP_CLIENT_UNASSOC:
6061 /* accept only the listed bits */
6062 if (params->sta_flags_mask &
6063 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6064 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6065 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6066 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6067 BIT(NL80211_STA_FLAG_WME) |
6068 BIT(NL80211_STA_FLAG_MFP)))
6071 /* but authenticated/associated only if driver handles it */
6072 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6073 params->sta_flags_mask &
6074 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6075 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6078 case CFG80211_STA_IBSS:
6079 case CFG80211_STA_AP_STA:
6080 /* reject any changes other than AUTHORIZED */
6081 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6084 case CFG80211_STA_TDLS_PEER_SETUP:
6085 /* reject any changes other than AUTHORIZED or WME */
6086 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6087 BIT(NL80211_STA_FLAG_WME)))
6089 /* force (at least) rates when authorizing */
6090 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6091 !params->supported_rates)
6094 case CFG80211_STA_TDLS_PEER_ACTIVE:
6095 /* reject any changes */
6097 case CFG80211_STA_MESH_PEER_KERNEL:
6098 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6101 case CFG80211_STA_MESH_PEER_USER:
6102 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6103 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
6109 * Older kernel versions ignored this attribute entirely, so don't
6110 * reject attempts to update it but mark it as unused instead so the
6111 * driver won't look at the data.
6113 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6114 statype != CFG80211_STA_TDLS_PEER_SETUP)
6115 params->opmode_notif_used = false;
6119 EXPORT_SYMBOL(cfg80211_check_station_change);
6122 * Get vlan interface making sure it is running and on the right wiphy.
6124 static struct net_device *get_vlan(struct genl_info *info,
6125 struct cfg80211_registered_device *rdev)
6127 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
6128 struct net_device *v;
6134 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6136 return ERR_PTR(-ENODEV);
6138 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6143 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6144 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6145 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6150 if (!netif_running(v)) {
6158 return ERR_PTR(ret);
6161 static const struct nla_policy
6162 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
6163 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
6164 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
6167 static int nl80211_parse_sta_wme(struct genl_info *info,
6168 struct station_parameters *params)
6170 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6174 /* parse WME attributes if present */
6175 if (!info->attrs[NL80211_ATTR_STA_WME])
6178 nla = info->attrs[NL80211_ATTR_STA_WME];
6179 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6180 nl80211_sta_wme_policy,
6185 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6186 params->uapsd_queues = nla_get_u8(
6187 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6188 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6191 if (tb[NL80211_STA_WME_MAX_SP])
6192 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6194 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6197 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6202 static int nl80211_parse_sta_channel_info(struct genl_info *info,
6203 struct station_parameters *params)
6205 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6206 params->supported_channels =
6207 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6208 params->supported_channels_len =
6209 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6211 * Need to include at least one (first channel, number of
6212 * channels) tuple for each subband (checked in policy),
6213 * and must have proper tuples for the rest of the data as well.
6215 if (params->supported_channels_len % 2)
6219 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6220 params->supported_oper_classes =
6221 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6222 params->supported_oper_classes_len =
6223 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6228 static int nl80211_set_station_tdls(struct genl_info *info,
6229 struct station_parameters *params)
6232 /* Dummy STA entry gets updated once the peer capabilities are known */
6233 if (info->attrs[NL80211_ATTR_PEER_AID])
6234 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6235 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6237 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6238 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6240 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6241 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6243 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6244 params->he_capa_len =
6245 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6248 err = nl80211_parse_sta_channel_info(info, params);
6252 return nl80211_parse_sta_wme(info, params);
6255 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
6256 struct station_parameters *params)
6258 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6261 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
6262 if (!rdev->ops->set_tx_power ||
6263 !wiphy_ext_feature_isset(&rdev->wiphy,
6264 NL80211_EXT_FEATURE_STA_TX_PWR))
6267 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
6268 params->txpwr.type = nla_get_u8(info->attrs[idx]);
6270 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
6271 idx = NL80211_ATTR_STA_TX_POWER;
6273 if (info->attrs[idx])
6274 params->txpwr.power =
6275 nla_get_s16(info->attrs[idx]);
6279 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
6285 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
6287 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6288 struct net_device *dev = info->user_ptr[1];
6289 struct station_parameters params;
6293 memset(¶ms, 0, sizeof(params));
6295 if (!rdev->ops->change_station)
6299 * AID and listen_interval properties can be set only for unassociated
6300 * station. Include these parameters here and will check them in
6301 * cfg80211_check_station_change().
6303 if (info->attrs[NL80211_ATTR_STA_AID])
6304 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6306 if (info->attrs[NL80211_ATTR_VLAN_ID])
6307 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6309 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6310 params.listen_interval =
6311 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6313 params.listen_interval = -1;
6315 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
6316 params.support_p2p_ps =
6317 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6319 params.support_p2p_ps = -1;
6321 if (!info->attrs[NL80211_ATTR_MAC])
6324 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6326 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
6327 params.supported_rates =
6328 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6329 params.supported_rates_len =
6330 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6333 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6335 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6336 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6339 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6341 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6342 params.ext_capab_len =
6343 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6346 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6349 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6350 params.plink_action =
6351 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6353 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
6354 params.plink_state =
6355 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
6356 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
6357 params.peer_aid = nla_get_u16(
6358 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
6359 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
6362 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
6363 params.local_pm = nla_get_u32(
6364 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
6366 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6367 params.opmode_notif_used = true;
6368 params.opmode_notif =
6369 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6372 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6373 params.he_6ghz_capa =
6374 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6376 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6377 params.airtime_weight =
6378 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6380 if (params.airtime_weight &&
6381 !wiphy_ext_feature_isset(&rdev->wiphy,
6382 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6385 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6389 /* Include parameters for TDLS peer (will check later) */
6390 err = nl80211_set_station_tdls(info, ¶ms);
6394 params.vlan = get_vlan(info, rdev);
6395 if (IS_ERR(params.vlan))
6396 return PTR_ERR(params.vlan);
6398 switch (dev->ieee80211_ptr->iftype) {
6399 case NL80211_IFTYPE_AP:
6400 case NL80211_IFTYPE_AP_VLAN:
6401 case NL80211_IFTYPE_P2P_GO:
6402 case NL80211_IFTYPE_P2P_CLIENT:
6403 case NL80211_IFTYPE_STATION:
6404 case NL80211_IFTYPE_ADHOC:
6405 case NL80211_IFTYPE_MESH_POINT:
6412 /* driver will call cfg80211_check_station_change() */
6413 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
6417 dev_put(params.vlan);
6422 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
6424 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6426 struct net_device *dev = info->user_ptr[1];
6427 struct station_parameters params;
6428 u8 *mac_addr = NULL;
6429 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6430 BIT(NL80211_STA_FLAG_ASSOCIATED);
6432 memset(¶ms, 0, sizeof(params));
6434 if (!rdev->ops->add_station)
6437 if (!info->attrs[NL80211_ATTR_MAC])
6440 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6443 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
6446 if (!info->attrs[NL80211_ATTR_STA_AID] &&
6447 !info->attrs[NL80211_ATTR_PEER_AID])
6450 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6451 params.supported_rates =
6452 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6453 params.supported_rates_len =
6454 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6455 params.listen_interval =
6456 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6458 if (info->attrs[NL80211_ATTR_VLAN_ID])
6459 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6461 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
6462 params.support_p2p_ps =
6463 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6466 * if not specified, assume it's supported for P2P GO interface,
6467 * and is NOT supported for AP interface
6469 params.support_p2p_ps =
6470 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
6473 if (info->attrs[NL80211_ATTR_PEER_AID])
6474 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6476 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6478 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6480 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6481 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6484 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6486 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6487 params.ext_capab_len =
6488 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6491 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6493 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6495 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6497 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6499 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6501 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6502 params.he_capa_len =
6503 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6506 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6507 params.he_6ghz_capa =
6508 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6510 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6511 params.opmode_notif_used = true;
6512 params.opmode_notif =
6513 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6516 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6517 params.plink_action =
6518 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6520 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6521 params.airtime_weight =
6522 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6524 if (params.airtime_weight &&
6525 !wiphy_ext_feature_isset(&rdev->wiphy,
6526 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6529 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6533 err = nl80211_parse_sta_channel_info(info, ¶ms);
6537 err = nl80211_parse_sta_wme(info, ¶ms);
6541 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6544 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
6545 * as userspace might just pass through the capabilities from the IEs
6546 * directly, rather than enforcing this restriction and returning an
6547 * error in this case.
6549 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
6550 params.ht_capa = NULL;
6551 params.vht_capa = NULL;
6553 /* HE requires WME */
6554 if (params.he_capa_len || params.he_6ghz_capa)
6558 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
6559 if (params.he_6ghz_capa && (params.ht_capa || params.vht_capa))
6562 /* When you run into this, adjust the code below for the new flag */
6563 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6565 switch (dev->ieee80211_ptr->iftype) {
6566 case NL80211_IFTYPE_AP:
6567 case NL80211_IFTYPE_AP_VLAN:
6568 case NL80211_IFTYPE_P2P_GO:
6569 /* ignore WME attributes if iface/sta is not capable */
6570 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
6571 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
6572 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6574 /* TDLS peers cannot be added */
6575 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6576 info->attrs[NL80211_ATTR_PEER_AID])
6578 /* but don't bother the driver with it */
6579 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6581 /* allow authenticated/associated only if driver handles it */
6582 if (!(rdev->wiphy.features &
6583 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6584 params.sta_flags_mask & auth_assoc)
6587 /* Older userspace, or userspace wanting to be compatible with
6588 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
6589 * and assoc flags in the mask, but assumes the station will be
6590 * added as associated anyway since this was the required driver
6591 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
6593 * In order to not bother drivers with this quirk in the API
6594 * set the flags in both the mask and set for new stations in
6597 if (!(params.sta_flags_mask & auth_assoc)) {
6598 params.sta_flags_mask |= auth_assoc;
6599 params.sta_flags_set |= auth_assoc;
6602 /* must be last in here for error handling */
6603 params.vlan = get_vlan(info, rdev);
6604 if (IS_ERR(params.vlan))
6605 return PTR_ERR(params.vlan);
6607 case NL80211_IFTYPE_MESH_POINT:
6608 /* ignore uAPSD data */
6609 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6611 /* associated is disallowed */
6612 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6614 /* TDLS peers cannot be added */
6615 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6616 info->attrs[NL80211_ATTR_PEER_AID])
6619 case NL80211_IFTYPE_STATION:
6620 case NL80211_IFTYPE_P2P_CLIENT:
6621 /* ignore uAPSD data */
6622 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6624 /* these are disallowed */
6625 if (params.sta_flags_mask &
6626 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6627 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
6629 /* Only TDLS peers can be added */
6630 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6632 /* Can only add if TDLS ... */
6633 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6635 /* ... with external setup is supported */
6636 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6639 * Older wpa_supplicant versions always mark the TDLS peer
6640 * as authorized, but it shouldn't yet be.
6642 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
6648 /* be aware of params.vlan when changing code here */
6650 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
6653 dev_put(params.vlan);
6657 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6659 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6660 struct net_device *dev = info->user_ptr[1];
6661 struct station_del_parameters params;
6663 memset(¶ms, 0, sizeof(params));
6665 if (info->attrs[NL80211_ATTR_MAC])
6666 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
6668 switch (dev->ieee80211_ptr->iftype) {
6669 case NL80211_IFTYPE_AP:
6670 case NL80211_IFTYPE_AP_VLAN:
6671 case NL80211_IFTYPE_MESH_POINT:
6672 case NL80211_IFTYPE_P2P_GO:
6673 /* always accept these */
6675 case NL80211_IFTYPE_ADHOC:
6676 /* conditionally accept */
6677 if (wiphy_ext_feature_isset(&rdev->wiphy,
6678 NL80211_EXT_FEATURE_DEL_IBSS_STA))
6685 if (!rdev->ops->del_station)
6688 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6690 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6691 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6692 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6695 /* Default to Deauthentication frame */
6696 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6699 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6700 params.reason_code =
6701 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6702 if (params.reason_code == 0)
6703 return -EINVAL; /* 0 is reserved */
6705 /* Default to reason code 2 */
6706 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6709 return rdev_del_station(rdev, dev, ¶ms);
6712 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
6713 int flags, struct net_device *dev,
6714 u8 *dst, u8 *next_hop,
6715 struct mpath_info *pinfo)
6718 struct nlattr *pinfoattr;
6720 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
6724 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6725 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6726 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6727 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6728 goto nla_put_failure;
6730 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
6732 goto nla_put_failure;
6733 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6734 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6736 goto nla_put_failure;
6737 if (((pinfo->filled & MPATH_INFO_SN) &&
6738 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6739 ((pinfo->filled & MPATH_INFO_METRIC) &&
6740 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6742 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6743 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6745 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6746 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6748 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6749 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6750 pinfo->discovery_timeout)) ||
6751 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6752 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
6753 pinfo->discovery_retries)) ||
6754 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6755 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
6756 pinfo->hop_count)) ||
6757 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6758 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6759 pinfo->path_change_count)))
6760 goto nla_put_failure;
6762 nla_nest_end(msg, pinfoattr);
6764 genlmsg_end(msg, hdr);
6768 genlmsg_cancel(msg, hdr);
6772 static int nl80211_dump_mpath(struct sk_buff *skb,
6773 struct netlink_callback *cb)
6775 struct mpath_info pinfo;
6776 struct cfg80211_registered_device *rdev;
6777 struct wireless_dev *wdev;
6779 u8 next_hop[ETH_ALEN];
6780 int path_idx = cb->args[2];
6784 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6788 if (!rdev->ops->dump_mpath) {
6793 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6799 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6806 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6807 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6808 wdev->netdev, dst, next_hop,
6816 cb->args[2] = path_idx;
6823 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6825 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6827 struct net_device *dev = info->user_ptr[1];
6828 struct mpath_info pinfo;
6829 struct sk_buff *msg;
6831 u8 next_hop[ETH_ALEN];
6833 memset(&pinfo, 0, sizeof(pinfo));
6835 if (!info->attrs[NL80211_ATTR_MAC])
6838 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6840 if (!rdev->ops->get_mpath)
6843 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6846 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6850 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6854 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6855 dev, dst, next_hop, &pinfo) < 0) {
6860 return genlmsg_reply(msg, info);
6863 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6865 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6866 struct net_device *dev = info->user_ptr[1];
6868 u8 *next_hop = NULL;
6870 if (!info->attrs[NL80211_ATTR_MAC])
6873 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6876 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6877 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6879 if (!rdev->ops->change_mpath)
6882 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6885 return rdev_change_mpath(rdev, dev, dst, next_hop);
6888 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6890 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6891 struct net_device *dev = info->user_ptr[1];
6893 u8 *next_hop = NULL;
6895 if (!info->attrs[NL80211_ATTR_MAC])
6898 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6901 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6902 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6904 if (!rdev->ops->add_mpath)
6907 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6910 return rdev_add_mpath(rdev, dev, dst, next_hop);
6913 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6915 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6916 struct net_device *dev = info->user_ptr[1];
6919 if (info->attrs[NL80211_ATTR_MAC])
6920 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6922 if (!rdev->ops->del_mpath)
6925 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6928 return rdev_del_mpath(rdev, dev, dst);
6931 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6933 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6935 struct net_device *dev = info->user_ptr[1];
6936 struct mpath_info pinfo;
6937 struct sk_buff *msg;
6941 memset(&pinfo, 0, sizeof(pinfo));
6943 if (!info->attrs[NL80211_ATTR_MAC])
6946 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6948 if (!rdev->ops->get_mpp)
6951 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6954 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6958 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6962 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6963 dev, dst, mpp, &pinfo) < 0) {
6968 return genlmsg_reply(msg, info);
6971 static int nl80211_dump_mpp(struct sk_buff *skb,
6972 struct netlink_callback *cb)
6974 struct mpath_info pinfo;
6975 struct cfg80211_registered_device *rdev;
6976 struct wireless_dev *wdev;
6979 int path_idx = cb->args[2];
6983 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6987 if (!rdev->ops->dump_mpp) {
6992 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6998 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7005 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7006 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7007 wdev->netdev, dst, mpp,
7015 cb->args[2] = path_idx;
7022 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7024 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7025 struct net_device *dev = info->user_ptr[1];
7026 struct wireless_dev *wdev = dev->ieee80211_ptr;
7027 struct bss_parameters params;
7030 memset(¶ms, 0, sizeof(params));
7031 /* default to not changing parameters */
7032 params.use_cts_prot = -1;
7033 params.use_short_preamble = -1;
7034 params.use_short_slot_time = -1;
7035 params.ap_isolate = -1;
7036 params.ht_opmode = -1;
7037 params.p2p_ctwindow = -1;
7038 params.p2p_opp_ps = -1;
7040 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7041 params.use_cts_prot =
7042 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7043 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7044 params.use_short_preamble =
7045 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7046 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7047 params.use_short_slot_time =
7048 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
7049 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7050 params.basic_rates =
7051 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7052 params.basic_rates_len =
7053 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7055 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7056 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
7057 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7059 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
7061 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7062 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7064 params.p2p_ctwindow =
7065 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
7066 if (params.p2p_ctwindow != 0 &&
7067 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7071 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7074 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7076 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
7077 params.p2p_opp_ps = tmp;
7078 if (params.p2p_opp_ps &&
7079 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7083 if (!rdev->ops->change_bss)
7086 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7087 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7091 err = rdev_change_bss(rdev, dev, ¶ms);
7097 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7101 enum nl80211_user_reg_hint_type user_reg_hint_type;
7105 * You should only get this when cfg80211 hasn't yet initialized
7106 * completely when built-in to the kernel right between the time
7107 * window between nl80211_init() and regulatory_init(), if that is
7110 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
7111 return -EINPROGRESS;
7113 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7114 user_reg_hint_type =
7115 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7117 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7119 switch (user_reg_hint_type) {
7120 case NL80211_USER_REG_HINT_USER:
7121 case NL80211_USER_REG_HINT_CELL_BASE:
7122 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7125 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7126 return regulatory_hint_user(data, user_reg_hint_type);
7127 case NL80211_USER_REG_HINT_INDOOR:
7128 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7129 owner_nlportid = info->snd_portid;
7130 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7136 return regulatory_hint_indoor(is_indoor, owner_nlportid);
7142 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7144 return reg_reload_regdb();
7147 static int nl80211_get_mesh_config(struct sk_buff *skb,
7148 struct genl_info *info)
7150 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7151 struct net_device *dev = info->user_ptr[1];
7152 struct wireless_dev *wdev = dev->ieee80211_ptr;
7153 struct mesh_config cur_params;
7156 struct nlattr *pinfoattr;
7157 struct sk_buff *msg;
7159 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7162 if (!rdev->ops->get_mesh_config)
7166 /* If not connected, get default parameters */
7167 if (!wdev->mesh_id_len)
7168 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
7170 err = rdev_get_mesh_config(rdev, dev, &cur_params);
7176 /* Draw up a netlink message to send back */
7177 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7180 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7181 NL80211_CMD_GET_MESH_CONFIG);
7184 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
7186 goto nla_put_failure;
7187 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7188 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
7189 cur_params.dot11MeshRetryTimeout) ||
7190 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
7191 cur_params.dot11MeshConfirmTimeout) ||
7192 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
7193 cur_params.dot11MeshHoldingTimeout) ||
7194 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7195 cur_params.dot11MeshMaxPeerLinks) ||
7196 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
7197 cur_params.dot11MeshMaxRetries) ||
7198 nla_put_u8(msg, NL80211_MESHCONF_TTL,
7199 cur_params.dot11MeshTTL) ||
7200 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
7201 cur_params.element_ttl) ||
7202 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7203 cur_params.auto_open_plinks) ||
7204 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7205 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
7206 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7207 cur_params.dot11MeshHWMPmaxPREQretries) ||
7208 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
7209 cur_params.path_refresh_time) ||
7210 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7211 cur_params.min_discovery_timeout) ||
7212 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7213 cur_params.dot11MeshHWMPactivePathTimeout) ||
7214 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7215 cur_params.dot11MeshHWMPpreqMinInterval) ||
7216 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7217 cur_params.dot11MeshHWMPperrMinInterval) ||
7218 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7219 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
7220 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
7221 cur_params.dot11MeshHWMPRootMode) ||
7222 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7223 cur_params.dot11MeshHWMPRannInterval) ||
7224 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7225 cur_params.dot11MeshGateAnnouncementProtocol) ||
7226 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
7227 cur_params.dot11MeshForwarding) ||
7228 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
7229 cur_params.rssi_threshold) ||
7230 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
7231 cur_params.ht_opmode) ||
7232 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7233 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
7234 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7235 cur_params.dot11MeshHWMProotInterval) ||
7236 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7237 cur_params.dot11MeshHWMPconfirmationInterval) ||
7238 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
7239 cur_params.power_mode) ||
7240 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
7241 cur_params.dot11MeshAwakeWindowDuration) ||
7242 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
7243 cur_params.plink_timeout) ||
7244 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
7245 cur_params.dot11MeshConnectedToMeshGate) ||
7246 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
7247 cur_params.dot11MeshNolearn) ||
7248 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
7249 cur_params.dot11MeshConnectedToAuthServer))
7250 goto nla_put_failure;
7251 nla_nest_end(msg, pinfoattr);
7252 genlmsg_end(msg, hdr);
7253 return genlmsg_reply(msg, info);
7261 static const struct nla_policy
7262 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
7263 [NL80211_MESHCONF_RETRY_TIMEOUT] =
7264 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7265 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
7266 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7267 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
7268 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7269 [NL80211_MESHCONF_MAX_PEER_LINKS] =
7270 NLA_POLICY_RANGE(NLA_U16, 0, 255),
7271 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
7272 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7273 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7274 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
7275 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
7276 NLA_POLICY_RANGE(NLA_U32, 1, 255),
7277 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
7278 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
7279 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
7280 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
7281 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
7282 NLA_POLICY_MIN(NLA_U16, 1),
7283 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
7284 NLA_POLICY_MIN(NLA_U16, 1),
7285 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
7286 NLA_POLICY_MIN(NLA_U16, 1),
7287 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
7288 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
7289 NLA_POLICY_MIN(NLA_U16, 1),
7290 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
7291 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
7292 [NL80211_MESHCONF_RSSI_THRESHOLD] =
7293 NLA_POLICY_RANGE(NLA_S32, -255, 0),
7294 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
7295 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
7296 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
7297 NLA_POLICY_MIN(NLA_U16, 1),
7298 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
7299 NLA_POLICY_MIN(NLA_U16, 1),
7300 [NL80211_MESHCONF_POWER_MODE] =
7301 NLA_POLICY_RANGE(NLA_U32,
7302 NL80211_MESH_POWER_ACTIVE,
7303 NL80211_MESH_POWER_MAX),
7304 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
7305 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
7306 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7307 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7308 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7311 static const struct nla_policy
7312 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
7313 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
7314 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
7315 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
7316 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
7317 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
7318 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
7319 [NL80211_MESH_SETUP_IE] =
7320 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
7321 IEEE80211_MAX_DATA_LEN),
7322 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
7325 static int nl80211_parse_mesh_config(struct genl_info *info,
7326 struct mesh_config *cfg,
7329 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
7333 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
7336 cfg->param = fn(tb[attr]); \
7337 mask |= BIT((attr) - 1); \
7341 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
7343 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
7346 /* This makes sure that there aren't more than 32 mesh config
7347 * parameters (otherwise our bitfield scheme would not work.) */
7348 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
7350 /* Fill in the params struct */
7351 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
7352 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
7353 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
7354 NL80211_MESHCONF_CONFIRM_TIMEOUT,
7356 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
7357 NL80211_MESHCONF_HOLDING_TIMEOUT,
7359 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
7360 NL80211_MESHCONF_MAX_PEER_LINKS,
7362 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
7363 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
7364 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
7365 NL80211_MESHCONF_TTL, nla_get_u8);
7366 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
7367 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
7368 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
7369 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7371 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
7373 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7375 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
7376 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7378 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
7379 NL80211_MESHCONF_PATH_REFRESH_TIME,
7381 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
7382 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
7384 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
7385 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7387 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
7389 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7391 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
7392 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
7393 cfg->dot11MeshHWMPactivePathTimeout > 65535))
7395 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
7396 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7398 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
7399 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7401 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7402 dot11MeshHWMPnetDiameterTraversalTime, mask,
7403 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7405 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
7406 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
7407 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
7408 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7410 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
7411 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7413 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
7414 NL80211_MESHCONF_FORWARDING, nla_get_u8);
7415 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
7416 NL80211_MESHCONF_RSSI_THRESHOLD,
7418 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
7419 NL80211_MESHCONF_CONNECTED_TO_GATE,
7421 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
7422 NL80211_MESHCONF_CONNECTED_TO_AS,
7425 * Check HT operation mode based on
7426 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
7428 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
7429 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
7431 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
7432 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
7433 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
7436 /* NON_HT_STA bit is reserved, but some programs set it */
7437 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
7439 cfg->ht_opmode = ht_opmode;
7440 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
7442 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7443 dot11MeshHWMPactivePathToRootTimeout, mask,
7444 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7446 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
7447 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
7448 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
7450 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
7451 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7453 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
7455 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7457 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
7458 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
7459 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
7460 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
7461 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
7462 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
7463 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
7464 NL80211_MESHCONF_NOLEARN, nla_get_u8);
7470 #undef FILL_IN_MESH_PARAM_IF_SET
7473 static int nl80211_parse_mesh_setup(struct genl_info *info,
7474 struct mesh_setup *setup)
7476 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7477 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
7479 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
7481 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
7484 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
7485 setup->sync_method =
7486 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
7487 IEEE80211_SYNC_METHOD_VENDOR :
7488 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
7490 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
7491 setup->path_sel_proto =
7492 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
7493 IEEE80211_PATH_PROTOCOL_VENDOR :
7494 IEEE80211_PATH_PROTOCOL_HWMP;
7496 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
7497 setup->path_metric =
7498 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
7499 IEEE80211_PATH_METRIC_VENDOR :
7500 IEEE80211_PATH_METRIC_AIRTIME;
7502 if (tb[NL80211_MESH_SETUP_IE]) {
7503 struct nlattr *ieattr =
7504 tb[NL80211_MESH_SETUP_IE];
7505 setup->ie = nla_data(ieattr);
7506 setup->ie_len = nla_len(ieattr);
7508 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
7509 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
7511 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
7512 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
7513 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
7514 if (setup->is_secure)
7515 setup->user_mpm = true;
7517 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
7518 if (!setup->user_mpm)
7521 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
7527 static int nl80211_update_mesh_config(struct sk_buff *skb,
7528 struct genl_info *info)
7530 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7531 struct net_device *dev = info->user_ptr[1];
7532 struct wireless_dev *wdev = dev->ieee80211_ptr;
7533 struct mesh_config cfg;
7537 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7540 if (!rdev->ops->update_mesh_config)
7543 err = nl80211_parse_mesh_config(info, &cfg, &mask);
7548 if (!wdev->mesh_id_len)
7552 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
7559 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
7560 struct sk_buff *msg)
7562 struct nlattr *nl_reg_rules;
7565 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
7566 (regdom->dfs_region &&
7567 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
7568 goto nla_put_failure;
7570 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
7572 goto nla_put_failure;
7574 for (i = 0; i < regdom->n_reg_rules; i++) {
7575 struct nlattr *nl_reg_rule;
7576 const struct ieee80211_reg_rule *reg_rule;
7577 const struct ieee80211_freq_range *freq_range;
7578 const struct ieee80211_power_rule *power_rule;
7579 unsigned int max_bandwidth_khz;
7581 reg_rule = ®dom->reg_rules[i];
7582 freq_range = ®_rule->freq_range;
7583 power_rule = ®_rule->power_rule;
7585 nl_reg_rule = nla_nest_start_noflag(msg, i);
7587 goto nla_put_failure;
7589 max_bandwidth_khz = freq_range->max_bandwidth_khz;
7590 if (!max_bandwidth_khz)
7591 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
7594 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
7596 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
7597 freq_range->start_freq_khz) ||
7598 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
7599 freq_range->end_freq_khz) ||
7600 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
7601 max_bandwidth_khz) ||
7602 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
7603 power_rule->max_antenna_gain) ||
7604 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
7605 power_rule->max_eirp) ||
7606 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
7607 reg_rule->dfs_cac_ms))
7608 goto nla_put_failure;
7610 nla_nest_end(msg, nl_reg_rule);
7613 nla_nest_end(msg, nl_reg_rules);
7620 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
7622 const struct ieee80211_regdomain *regdom = NULL;
7623 struct cfg80211_registered_device *rdev;
7624 struct wiphy *wiphy = NULL;
7625 struct sk_buff *msg;
7628 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7632 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7633 NL80211_CMD_GET_REG);
7637 if (info->attrs[NL80211_ATTR_WIPHY]) {
7640 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7643 return PTR_ERR(rdev);
7646 wiphy = &rdev->wiphy;
7647 self_managed = wiphy->regulatory_flags &
7648 REGULATORY_WIPHY_SELF_MANAGED;
7649 regdom = get_wiphy_regdom(wiphy);
7651 /* a self-managed-reg device must have a private regdom */
7652 if (WARN_ON(!regdom && self_managed)) {
7658 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7659 goto nla_put_failure;
7662 if (!wiphy && reg_last_request_cell_base() &&
7663 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7664 NL80211_USER_REG_HINT_CELL_BASE))
7665 goto nla_put_failure;
7670 regdom = rcu_dereference(cfg80211_regdomain);
7672 if (nl80211_put_regdom(regdom, msg))
7673 goto nla_put_failure_rcu;
7677 genlmsg_end(msg, hdr);
7678 return genlmsg_reply(msg, info);
7680 nla_put_failure_rcu:
7688 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7689 u32 seq, int flags, struct wiphy *wiphy,
7690 const struct ieee80211_regdomain *regdom)
7692 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7693 NL80211_CMD_GET_REG);
7698 genl_dump_check_consistent(cb, hdr);
7700 if (nl80211_put_regdom(regdom, msg))
7701 goto nla_put_failure;
7703 if (!wiphy && reg_last_request_cell_base() &&
7704 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7705 NL80211_USER_REG_HINT_CELL_BASE))
7706 goto nla_put_failure;
7709 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7710 goto nla_put_failure;
7712 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7713 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7714 goto nla_put_failure;
7716 genlmsg_end(msg, hdr);
7720 genlmsg_cancel(msg, hdr);
7724 static int nl80211_get_reg_dump(struct sk_buff *skb,
7725 struct netlink_callback *cb)
7727 const struct ieee80211_regdomain *regdom = NULL;
7728 struct cfg80211_registered_device *rdev;
7729 int err, reg_idx, start = cb->args[2];
7733 if (cfg80211_regdomain && start == 0) {
7734 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7736 rtnl_dereference(cfg80211_regdomain));
7741 /* the global regdom is idx 0 */
7743 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7744 regdom = get_wiphy_regdom(&rdev->wiphy);
7748 if (++reg_idx <= start)
7751 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7752 NLM_F_MULTI, &rdev->wiphy, regdom);
7759 cb->args[2] = reg_idx;
7766 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
7767 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7768 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7769 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7770 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7771 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7772 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7773 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7774 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7777 static int parse_reg_rule(struct nlattr *tb[],
7778 struct ieee80211_reg_rule *reg_rule)
7780 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
7781 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
7783 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7785 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7787 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7789 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7791 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7794 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7796 freq_range->start_freq_khz =
7797 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7798 freq_range->end_freq_khz =
7799 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7800 freq_range->max_bandwidth_khz =
7801 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7803 power_rule->max_eirp =
7804 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7806 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7807 power_rule->max_antenna_gain =
7808 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7810 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7811 reg_rule->dfs_cac_ms =
7812 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7817 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7819 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7820 struct nlattr *nl_reg_rule;
7822 int rem_reg_rules, r;
7823 u32 num_rules = 0, rule_idx = 0;
7824 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7825 struct ieee80211_regdomain *rd;
7827 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7830 if (!info->attrs[NL80211_ATTR_REG_RULES])
7833 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7835 if (info->attrs[NL80211_ATTR_DFS_REGION])
7836 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7838 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7841 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7845 if (!reg_is_valid_request(alpha2))
7848 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7852 rd->n_reg_rules = num_rules;
7853 rd->alpha2[0] = alpha2[0];
7854 rd->alpha2[1] = alpha2[1];
7857 * Disable DFS master mode if the DFS region was
7858 * not supported or known on this kernel.
7860 if (reg_supported_dfs_region(dfs_region))
7861 rd->dfs_region = dfs_region;
7863 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7865 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7866 nl_reg_rule, reg_rule_policy,
7870 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7876 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7882 /* set_regdom takes ownership of rd */
7883 return set_regdom(rd, REGD_SOURCE_CRDA);
7888 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7890 static int validate_scan_freqs(struct nlattr *freqs)
7892 struct nlattr *attr1, *attr2;
7893 int n_channels = 0, tmp1, tmp2;
7895 nla_for_each_nested(attr1, freqs, tmp1)
7896 if (nla_len(attr1) != sizeof(u32))
7899 nla_for_each_nested(attr1, freqs, tmp1) {
7902 * Some hardware has a limited channel list for
7903 * scanning, and it is pretty much nonsensical
7904 * to scan for a channel twice, so disallow that
7905 * and don't require drivers to check that the
7906 * channel list they get isn't longer than what
7907 * they can scan, as long as they can scan all
7908 * the channels they registered at once.
7910 nla_for_each_nested(attr2, freqs, tmp2)
7911 if (attr1 != attr2 &&
7912 nla_get_u32(attr1) == nla_get_u32(attr2))
7919 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
7921 return b < NUM_NL80211_BANDS && wiphy->bands[b];
7924 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7925 struct cfg80211_bss_selection *bss_select)
7927 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7928 struct nlattr *nest;
7933 /* only process one nested attribute */
7934 nest = nla_data(nla);
7935 if (!nla_ok(nest, nla_len(nest)))
7938 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7939 nest, nl80211_bss_select_policy,
7944 /* only one attribute may be given */
7945 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7953 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7955 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7956 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7958 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7959 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7960 bss_select->param.band_pref =
7961 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7962 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7966 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7967 struct nl80211_bss_select_rssi_adjust *adj_param;
7969 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7970 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7971 bss_select->param.adjust.band = adj_param->band;
7972 bss_select->param.adjust.delta = adj_param->delta;
7973 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7977 /* user-space did not provide behaviour attribute */
7978 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7981 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7987 int nl80211_parse_random_mac(struct nlattr **attrs,
7988 u8 *mac_addr, u8 *mac_addr_mask)
7992 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
7993 eth_zero_addr(mac_addr);
7994 eth_zero_addr(mac_addr_mask);
7996 mac_addr_mask[0] = 0x3;
8001 /* need both or none */
8002 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8005 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8006 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8008 /* don't allow or configure an mcast address */
8009 if (!is_multicast_ether_addr(mac_addr_mask) ||
8010 is_multicast_ether_addr(mac_addr))
8014 * allow users to pass a MAC address that has bits set outside
8015 * of the mask, but don't bother drivers with having to deal
8018 for (i = 0; i < ETH_ALEN; i++)
8019 mac_addr[i] &= mac_addr_mask[i];
8024 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
8026 ASSERT_WDEV_LOCK(wdev);
8028 if (!cfg80211_beaconing_iface_active(wdev))
8031 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
8034 return regulatory_pre_cac_allowed(wdev->wiphy);
8037 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
8038 enum nl80211_ext_feature_index feat)
8040 if (!(flags & flag))
8042 if (wiphy_ext_feature_isset(wiphy, feat))
8048 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
8049 void *request, struct nlattr **attrs,
8052 u8 *mac_addr, *mac_addr_mask;
8054 enum nl80211_feature_flags randomness_flag;
8056 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
8059 if (is_sched_scan) {
8060 struct cfg80211_sched_scan_request *req = request;
8062 randomness_flag = wdev ?
8063 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8064 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8065 flags = &req->flags;
8066 mac_addr = req->mac_addr;
8067 mac_addr_mask = req->mac_addr_mask;
8069 struct cfg80211_scan_request *req = request;
8071 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8072 flags = &req->flags;
8073 mac_addr = req->mac_addr;
8074 mac_addr_mask = req->mac_addr_mask;
8077 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8079 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8080 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
8081 !nl80211_check_scan_feat(wiphy, *flags,
8082 NL80211_SCAN_FLAG_LOW_SPAN,
8083 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8084 !nl80211_check_scan_feat(wiphy, *flags,
8085 NL80211_SCAN_FLAG_LOW_POWER,
8086 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8087 !nl80211_check_scan_feat(wiphy, *flags,
8088 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8089 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8090 !nl80211_check_scan_feat(wiphy, *flags,
8091 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8092 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8093 !nl80211_check_scan_feat(wiphy, *flags,
8094 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8095 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8096 !nl80211_check_scan_feat(wiphy, *flags,
8097 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8098 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8099 !nl80211_check_scan_feat(wiphy, *flags,
8100 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
8101 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8102 !nl80211_check_scan_feat(wiphy, *flags,
8103 NL80211_SCAN_FLAG_RANDOM_SN,
8104 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8105 !nl80211_check_scan_feat(wiphy, *flags,
8106 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8107 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
8110 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
8113 if (!(wiphy->features & randomness_flag) ||
8114 (wdev && wdev->current_bss))
8117 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
8125 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
8127 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8128 struct wireless_dev *wdev = info->user_ptr[1];
8129 struct cfg80211_scan_request *request;
8130 struct nlattr *scan_freqs = NULL;
8131 bool scan_freqs_khz = false;
8132 struct nlattr *attr;
8133 struct wiphy *wiphy;
8134 int err, tmp, n_ssids = 0, n_channels, i;
8137 wiphy = &rdev->wiphy;
8139 if (wdev->iftype == NL80211_IFTYPE_NAN)
8142 if (!rdev->ops->scan)
8145 if (rdev->scan_req || rdev->scan_msg)
8148 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
8149 if (!wiphy_ext_feature_isset(wiphy,
8150 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
8152 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
8153 scan_freqs_khz = true;
8154 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
8155 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
8158 n_channels = validate_scan_freqs(scan_freqs);
8162 n_channels = ieee80211_get_num_supported_channels(wiphy);
8165 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
8166 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
8169 if (n_ssids > wiphy->max_scan_ssids)
8172 if (info->attrs[NL80211_ATTR_IE])
8173 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8177 if (ie_len > wiphy->max_scan_ie_len)
8180 request = kzalloc(sizeof(*request)
8181 + sizeof(*request->ssids) * n_ssids
8182 + sizeof(*request->channels) * n_channels
8183 + ie_len, GFP_KERNEL);
8188 request->ssids = (void *)&request->channels[n_channels];
8189 request->n_ssids = n_ssids;
8192 request->ie = (void *)(request->ssids + n_ssids);
8194 request->ie = (void *)(request->channels + n_channels);
8199 /* user specified, bail out if channel not found */
8200 nla_for_each_nested(attr, scan_freqs, tmp) {
8201 struct ieee80211_channel *chan;
8202 int freq = nla_get_u32(attr);
8204 if (!scan_freqs_khz)
8205 freq = MHZ_TO_KHZ(freq);
8207 chan = ieee80211_get_channel_khz(wiphy, freq);
8213 /* ignore disabled channels */
8214 if (chan->flags & IEEE80211_CHAN_DISABLED)
8217 request->channels[i] = chan;
8221 enum nl80211_band band;
8224 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8227 if (!wiphy->bands[band])
8229 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8230 struct ieee80211_channel *chan;
8232 chan = &wiphy->bands[band]->channels[j];
8234 if (chan->flags & IEEE80211_CHAN_DISABLED)
8237 request->channels[i] = chan;
8248 request->n_channels = i;
8251 if (!cfg80211_off_channel_oper_allowed(wdev)) {
8252 struct ieee80211_channel *chan;
8254 if (request->n_channels != 1) {
8260 chan = request->channels[0];
8261 if (chan->center_freq != wdev->chandef.chan->center_freq) {
8271 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
8272 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8276 request->ssids[i].ssid_len = nla_len(attr);
8277 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
8282 if (info->attrs[NL80211_ATTR_IE]) {
8283 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8284 memcpy((void *)request->ie,
8285 nla_data(info->attrs[NL80211_ATTR_IE]),
8289 for (i = 0; i < NUM_NL80211_BANDS; i++)
8290 if (wiphy->bands[i])
8292 (1 << wiphy->bands[i]->n_bitrates) - 1;
8294 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
8295 nla_for_each_nested(attr,
8296 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
8298 enum nl80211_band band = nla_type(attr);
8300 if (band < 0 || band >= NUM_NL80211_BANDS) {
8305 if (!wiphy->bands[band])
8308 err = ieee80211_get_ratemask(wiphy->bands[band],
8311 &request->rates[band]);
8317 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
8319 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
8320 request->duration_mandatory =
8321 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
8324 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
8330 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
8332 /* Initial implementation used NL80211_ATTR_MAC to set the specific
8333 * BSSID to scan for. This was problematic because that same attribute
8334 * was already used for another purpose (local random MAC address). The
8335 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
8336 * compatibility with older userspace components, also use the
8337 * NL80211_ATTR_MAC value here if it can be determined to be used for
8338 * the specific BSSID use case instead of the random MAC address
8339 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
8341 if (info->attrs[NL80211_ATTR_BSSID])
8342 memcpy(request->bssid,
8343 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
8344 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
8345 info->attrs[NL80211_ATTR_MAC])
8346 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
8349 eth_broadcast_addr(request->bssid);
8351 request->wdev = wdev;
8352 request->wiphy = &rdev->wiphy;
8353 request->scan_start = jiffies;
8355 rdev->scan_req = request;
8356 err = cfg80211_scan(rdev);
8361 nl80211_send_scan_start(rdev, wdev);
8363 dev_hold(wdev->netdev);
8368 rdev->scan_req = NULL;
8374 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
8376 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8377 struct wireless_dev *wdev = info->user_ptr[1];
8379 if (!rdev->ops->abort_scan)
8385 if (!rdev->scan_req)
8388 rdev_abort_scan(rdev, wdev);
8393 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
8394 struct cfg80211_sched_scan_request *request,
8395 struct nlattr **attrs)
8397 int tmp, err, i = 0;
8398 struct nlattr *attr;
8400 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8404 * If scan plans are not specified,
8405 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
8406 * case one scan plan will be set with the specified scan
8407 * interval and infinite number of iterations.
8409 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
8413 request->scan_plans[0].interval =
8414 DIV_ROUND_UP(interval, MSEC_PER_SEC);
8415 if (!request->scan_plans[0].interval)
8418 if (request->scan_plans[0].interval >
8419 wiphy->max_sched_scan_plan_interval)
8420 request->scan_plans[0].interval =
8421 wiphy->max_sched_scan_plan_interval;
8426 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
8427 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
8429 if (WARN_ON(i >= n_plans))
8432 err = nla_parse_nested_deprecated(plan,
8433 NL80211_SCHED_SCAN_PLAN_MAX,
8434 attr, nl80211_plan_policy,
8439 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
8442 request->scan_plans[i].interval =
8443 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
8444 if (!request->scan_plans[i].interval ||
8445 request->scan_plans[i].interval >
8446 wiphy->max_sched_scan_plan_interval)
8449 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
8450 request->scan_plans[i].iterations =
8451 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
8452 if (!request->scan_plans[i].iterations ||
8453 (request->scan_plans[i].iterations >
8454 wiphy->max_sched_scan_plan_iterations))
8456 } else if (i < n_plans - 1) {
8458 * All scan plans but the last one must specify
8459 * a finite number of iterations
8468 * The last scan plan must not specify the number of
8469 * iterations, it is supposed to run infinitely
8471 if (request->scan_plans[n_plans - 1].iterations)
8478 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
8479 struct cfg80211_match_set *match_sets,
8480 struct nlattr *tb_band_rssi,
8483 struct nlattr *attr;
8484 int i, tmp, ret = 0;
8486 if (!wiphy_ext_feature_isset(wiphy,
8487 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
8491 for (i = 0; i < NUM_NL80211_BANDS; i++)
8492 match_sets->per_band_rssi_thold[i] =
8493 NL80211_SCAN_RSSI_THOLD_OFF;
8497 for (i = 0; i < NUM_NL80211_BANDS; i++)
8498 match_sets->per_band_rssi_thold[i] = rssi_thold;
8500 nla_for_each_nested(attr, tb_band_rssi, tmp) {
8501 enum nl80211_band band = nla_type(attr);
8503 if (band < 0 || band >= NUM_NL80211_BANDS)
8506 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
8512 static struct cfg80211_sched_scan_request *
8513 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
8514 struct nlattr **attrs, int max_match_sets)
8516 struct cfg80211_sched_scan_request *request;
8517 struct nlattr *attr;
8518 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
8519 enum nl80211_band band;
8521 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
8522 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
8524 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8525 n_channels = validate_scan_freqs(
8526 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
8528 return ERR_PTR(-EINVAL);
8530 n_channels = ieee80211_get_num_supported_channels(wiphy);
8533 if (attrs[NL80211_ATTR_SCAN_SSIDS])
8534 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8538 if (n_ssids > wiphy->max_sched_scan_ssids)
8539 return ERR_PTR(-EINVAL);
8542 * First, count the number of 'real' matchsets. Due to an issue with
8543 * the old implementation, matchsets containing only the RSSI attribute
8544 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
8545 * RSSI for all matchsets, rather than their own matchset for reporting
8546 * all APs with a strong RSSI. This is needed to be compatible with
8547 * older userspace that treated a matchset with only the RSSI as the
8548 * global RSSI for all other matchsets - if there are other matchsets.
8550 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8551 nla_for_each_nested(attr,
8552 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8554 struct nlattr *rssi;
8556 err = nla_parse_nested_deprecated(tb,
8557 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8559 nl80211_match_policy,
8562 return ERR_PTR(err);
8564 /* SSID and BSSID are mutually exclusive */
8565 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
8566 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
8567 return ERR_PTR(-EINVAL);
8569 /* add other standalone attributes here */
8570 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
8571 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
8575 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8577 default_match_rssi = nla_get_s32(rssi);
8581 /* However, if there's no other matchset, add the RSSI one */
8582 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
8585 if (n_match_sets > max_match_sets)
8586 return ERR_PTR(-EINVAL);
8588 if (attrs[NL80211_ATTR_IE])
8589 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
8593 if (ie_len > wiphy->max_sched_scan_ie_len)
8594 return ERR_PTR(-EINVAL);
8596 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8598 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
8599 * each scan plan already specifies its own interval
8601 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8602 return ERR_PTR(-EINVAL);
8604 nla_for_each_nested(attr,
8605 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
8609 * The scan interval attribute is kept for backward
8610 * compatibility. If no scan plans are specified and sched scan
8611 * interval is specified, one scan plan will be set with this
8612 * scan interval and infinite number of iterations.
8614 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8615 return ERR_PTR(-EINVAL);
8620 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
8621 return ERR_PTR(-EINVAL);
8623 if (!wiphy_ext_feature_isset(
8624 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
8625 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
8626 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8627 return ERR_PTR(-EINVAL);
8629 request = kzalloc(sizeof(*request)
8630 + sizeof(*request->ssids) * n_ssids
8631 + sizeof(*request->match_sets) * n_match_sets
8632 + sizeof(*request->scan_plans) * n_plans
8633 + sizeof(*request->channels) * n_channels
8634 + ie_len, GFP_KERNEL);
8636 return ERR_PTR(-ENOMEM);
8639 request->ssids = (void *)&request->channels[n_channels];
8640 request->n_ssids = n_ssids;
8643 request->ie = (void *)(request->ssids + n_ssids);
8645 request->ie = (void *)(request->channels + n_channels);
8650 request->match_sets = (void *)(request->ie + ie_len);
8652 request->match_sets =
8653 (void *)(request->ssids + n_ssids);
8655 request->match_sets =
8656 (void *)(request->channels + n_channels);
8658 request->n_match_sets = n_match_sets;
8661 request->scan_plans = (void *)(request->match_sets +
8663 else if (request->ie)
8664 request->scan_plans = (void *)(request->ie + ie_len);
8666 request->scan_plans = (void *)(request->ssids + n_ssids);
8668 request->scan_plans = (void *)(request->channels + n_channels);
8670 request->n_scan_plans = n_plans;
8673 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8674 /* user specified, bail out if channel not found */
8675 nla_for_each_nested(attr,
8676 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
8678 struct ieee80211_channel *chan;
8680 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8687 /* ignore disabled channels */
8688 if (chan->flags & IEEE80211_CHAN_DISABLED)
8691 request->channels[i] = chan;
8696 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8699 if (!wiphy->bands[band])
8701 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8702 struct ieee80211_channel *chan;
8704 chan = &wiphy->bands[band]->channels[j];
8706 if (chan->flags & IEEE80211_CHAN_DISABLED)
8709 request->channels[i] = chan;
8720 request->n_channels = i;
8724 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8726 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8730 request->ssids[i].ssid_len = nla_len(attr);
8731 memcpy(request->ssids[i].ssid, nla_data(attr),
8738 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8739 nla_for_each_nested(attr,
8740 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8742 struct nlattr *ssid, *bssid, *rssi;
8744 err = nla_parse_nested_deprecated(tb,
8745 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8747 nl80211_match_policy,
8751 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
8752 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
8754 if (!ssid && !bssid) {
8759 if (WARN_ON(i >= n_match_sets)) {
8760 /* this indicates a programming error,
8761 * the loop above should have verified
8769 memcpy(request->match_sets[i].ssid.ssid,
8770 nla_data(ssid), nla_len(ssid));
8771 request->match_sets[i].ssid.ssid_len =
8775 memcpy(request->match_sets[i].bssid,
8776 nla_data(bssid), ETH_ALEN);
8778 /* special attribute - old implementation w/a */
8779 request->match_sets[i].rssi_thold = default_match_rssi;
8780 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8782 request->match_sets[i].rssi_thold =
8785 /* Parse per band RSSI attribute */
8786 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8787 &request->match_sets[i],
8788 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8789 request->match_sets[i].rssi_thold);
8796 /* there was no other matchset, so the RSSI one is alone */
8797 if (i == 0 && n_match_sets)
8798 request->match_sets[0].rssi_thold = default_match_rssi;
8800 request->min_rssi_thold = INT_MAX;
8801 for (i = 0; i < n_match_sets; i++)
8802 request->min_rssi_thold =
8803 min(request->match_sets[i].rssi_thold,
8804 request->min_rssi_thold);
8806 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8810 request->ie_len = ie_len;
8811 memcpy((void *)request->ie,
8812 nla_data(attrs[NL80211_ATTR_IE]),
8816 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8820 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8822 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8824 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8825 request->relative_rssi = nla_get_s8(
8826 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8827 request->relative_rssi_set = true;
8830 if (request->relative_rssi_set &&
8831 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8832 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8834 rssi_adjust = nla_data(
8835 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8836 request->rssi_adjust.band = rssi_adjust->band;
8837 request->rssi_adjust.delta = rssi_adjust->delta;
8838 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8844 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8848 request->scan_start = jiffies;
8854 return ERR_PTR(err);
8857 static int nl80211_start_sched_scan(struct sk_buff *skb,
8858 struct genl_info *info)
8860 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8861 struct net_device *dev = info->user_ptr[1];
8862 struct wireless_dev *wdev = dev->ieee80211_ptr;
8863 struct cfg80211_sched_scan_request *sched_scan_req;
8867 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8870 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8871 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8875 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8877 rdev->wiphy.max_match_sets);
8879 err = PTR_ERR_OR_ZERO(sched_scan_req);
8883 /* leave request id zero for legacy request
8884 * or if driver does not support multi-scheduled scan
8886 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
8887 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8889 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
8893 sched_scan_req->dev = dev;
8894 sched_scan_req->wiphy = &rdev->wiphy;
8896 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8897 sched_scan_req->owner_nlportid = info->snd_portid;
8899 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
8901 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
8905 kfree(sched_scan_req);
8910 static int nl80211_stop_sched_scan(struct sk_buff *skb,
8911 struct genl_info *info)
8913 struct cfg80211_sched_scan_request *req;
8914 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8917 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
8920 if (info->attrs[NL80211_ATTR_COOKIE]) {
8921 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8922 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8925 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8926 struct cfg80211_sched_scan_request,
8928 if (!req || req->reqid ||
8929 (req->owner_nlportid &&
8930 req->owner_nlportid != info->snd_portid))
8933 return cfg80211_stop_sched_scan_req(rdev, req, false);
8936 static int nl80211_start_radar_detection(struct sk_buff *skb,
8937 struct genl_info *info)
8939 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8940 struct net_device *dev = info->user_ptr[1];
8941 struct wireless_dev *wdev = dev->ieee80211_ptr;
8942 struct wiphy *wiphy = wdev->wiphy;
8943 struct cfg80211_chan_def chandef;
8944 enum nl80211_dfs_regions dfs_region;
8945 unsigned int cac_time_ms;
8948 dfs_region = reg_get_dfs_region(wiphy);
8949 if (dfs_region == NL80211_DFS_UNSET)
8952 err = nl80211_parse_chandef(rdev, info, &chandef);
8956 if (netif_carrier_ok(dev))
8959 if (wdev->cac_started)
8962 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8969 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
8972 /* CAC start is offloaded to HW and can't be started manually */
8973 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8976 if (!rdev->ops->start_radar_detection)
8979 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8980 if (WARN_ON(!cac_time_ms))
8981 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8983 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
8985 wdev->chandef = chandef;
8986 wdev->cac_started = true;
8987 wdev->cac_start_time = jiffies;
8988 wdev->cac_time_ms = cac_time_ms;
8993 static int nl80211_notify_radar_detection(struct sk_buff *skb,
8994 struct genl_info *info)
8996 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8997 struct net_device *dev = info->user_ptr[1];
8998 struct wireless_dev *wdev = dev->ieee80211_ptr;
8999 struct wiphy *wiphy = wdev->wiphy;
9000 struct cfg80211_chan_def chandef;
9001 enum nl80211_dfs_regions dfs_region;
9004 dfs_region = reg_get_dfs_region(wiphy);
9005 if (dfs_region == NL80211_DFS_UNSET) {
9006 GENL_SET_ERR_MSG(info,
9007 "DFS Region is not set. Unexpected Radar indication");
9011 err = nl80211_parse_chandef(rdev, info, &chandef);
9013 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
9017 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9019 GENL_SET_ERR_MSG(info, "chandef is invalid");
9024 GENL_SET_ERR_MSG(info,
9025 "Unexpected Radar indication for chandef/iftype");
9029 /* Do not process this notification if radar is already detected
9030 * by kernel on this channel, and return success.
9032 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
9035 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
9037 cfg80211_sched_dfs_chan_update(rdev);
9039 rdev->radar_chandef = chandef;
9041 /* Propagate this notification to other radios as well */
9042 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
9047 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
9049 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9050 struct net_device *dev = info->user_ptr[1];
9051 struct wireless_dev *wdev = dev->ieee80211_ptr;
9052 struct cfg80211_csa_settings params;
9053 /* csa_attrs is defined static to avoid waste of stack size - this
9054 * function is called under RTNL lock, so this should not be a problem.
9056 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
9058 bool need_new_beacon = false;
9059 bool need_handle_dfs_flag = true;
9063 if (!rdev->ops->channel_switch ||
9064 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9067 switch (dev->ieee80211_ptr->iftype) {
9068 case NL80211_IFTYPE_AP:
9069 case NL80211_IFTYPE_P2P_GO:
9070 need_new_beacon = true;
9071 /* For all modes except AP the handle_dfs flag needs to be
9072 * supplied to tell the kernel that userspace will handle radar
9073 * events when they happen. Otherwise a switch to a channel
9074 * requiring DFS will be rejected.
9076 need_handle_dfs_flag = false;
9078 /* useless if AP is not running */
9079 if (!wdev->beacon_interval)
9082 case NL80211_IFTYPE_ADHOC:
9083 if (!wdev->ssid_len)
9086 case NL80211_IFTYPE_MESH_POINT:
9087 if (!wdev->mesh_id_len)
9094 memset(¶ms, 0, sizeof(params));
9095 params.beacon_csa.ftm_responder = -1;
9097 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9098 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
9101 /* only important for AP, IBSS and mesh create IEs internally */
9102 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
9105 /* Even though the attribute is u32, the specification says
9106 * u8, so let's make sure we don't overflow.
9108 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
9112 params.count = cs_count;
9114 if (!need_new_beacon)
9117 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
9121 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
9122 info->attrs[NL80211_ATTR_CSA_IES],
9123 nl80211_policy, info->extack);
9127 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
9131 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON])
9134 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9135 if (!len || (len % sizeof(u16)))
9138 params.n_counter_offsets_beacon = len / sizeof(u16);
9139 if (rdev->wiphy.max_num_csa_counters &&
9140 (params.n_counter_offsets_beacon >
9141 rdev->wiphy.max_num_csa_counters))
9144 params.counter_offsets_beacon =
9145 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9147 /* sanity checks - counters should fit and be the same */
9148 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
9149 u16 offset = params.counter_offsets_beacon[i];
9151 if (offset >= params.beacon_csa.tail_len)
9154 if (params.beacon_csa.tail[offset] != params.count)
9158 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
9159 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9160 if (!len || (len % sizeof(u16)))
9163 params.n_counter_offsets_presp = len / sizeof(u16);
9164 if (rdev->wiphy.max_num_csa_counters &&
9165 (params.n_counter_offsets_presp >
9166 rdev->wiphy.max_num_csa_counters))
9169 params.counter_offsets_presp =
9170 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9172 /* sanity checks - counters should fit and be the same */
9173 for (i = 0; i < params.n_counter_offsets_presp; i++) {
9174 u16 offset = params.counter_offsets_presp[i];
9176 if (offset >= params.beacon_csa.probe_resp_len)
9179 if (params.beacon_csa.probe_resp[offset] !=
9186 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
9190 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
9194 err = cfg80211_chandef_dfs_required(wdev->wiphy,
9201 params.radar_required = true;
9202 if (need_handle_dfs_flag &&
9203 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
9208 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
9209 params.block_tx = true;
9212 err = rdev_channel_switch(rdev, dev, ¶ms);
9218 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
9220 struct cfg80211_registered_device *rdev,
9221 struct wireless_dev *wdev,
9222 struct cfg80211_internal_bss *intbss)
9224 struct cfg80211_bss *res = &intbss->pub;
9225 const struct cfg80211_bss_ies *ies;
9229 ASSERT_WDEV_LOCK(wdev);
9231 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
9232 NL80211_CMD_NEW_SCAN_RESULTS);
9236 genl_dump_check_consistent(cb, hdr);
9238 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
9239 goto nla_put_failure;
9241 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
9242 goto nla_put_failure;
9243 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
9245 goto nla_put_failure;
9247 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
9249 goto nla_put_failure;
9250 if ((!is_zero_ether_addr(res->bssid) &&
9251 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9252 goto nla_put_failure;
9255 /* indicate whether we have probe response data or not */
9256 if (rcu_access_pointer(res->proberesp_ies) &&
9257 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
9258 goto fail_unlock_rcu;
9260 /* this pointer prefers to be pointed to probe response data
9261 * but is always valid
9263 ies = rcu_dereference(res->ies);
9265 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
9267 goto fail_unlock_rcu;
9268 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
9269 ies->len, ies->data))
9270 goto fail_unlock_rcu;
9273 /* and this pointer is always (unless driver didn't know) beacon data */
9274 ies = rcu_dereference(res->beacon_ies);
9275 if (ies && ies->from_beacon) {
9276 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
9278 goto fail_unlock_rcu;
9279 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
9280 ies->len, ies->data))
9281 goto fail_unlock_rcu;
9285 if (res->beacon_interval &&
9286 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
9287 goto nla_put_failure;
9288 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
9289 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
9290 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
9291 res->channel->freq_offset) ||
9292 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9293 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
9294 jiffies_to_msecs(jiffies - intbss->ts)))
9295 goto nla_put_failure;
9297 if (intbss->parent_tsf &&
9298 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
9299 intbss->parent_tsf, NL80211_BSS_PAD) ||
9300 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
9301 intbss->parent_bssid)))
9302 goto nla_put_failure;
9304 if (intbss->ts_boottime &&
9305 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
9306 intbss->ts_boottime, NL80211_BSS_PAD))
9307 goto nla_put_failure;
9309 if (!nl80211_put_signal(msg, intbss->pub.chains,
9310 intbss->pub.chain_signal,
9311 NL80211_BSS_CHAIN_SIGNAL))
9312 goto nla_put_failure;
9314 switch (rdev->wiphy.signal_type) {
9315 case CFG80211_SIGNAL_TYPE_MBM:
9316 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
9317 goto nla_put_failure;
9319 case CFG80211_SIGNAL_TYPE_UNSPEC:
9320 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
9321 goto nla_put_failure;
9327 switch (wdev->iftype) {
9328 case NL80211_IFTYPE_P2P_CLIENT:
9329 case NL80211_IFTYPE_STATION:
9330 if (intbss == wdev->current_bss &&
9331 nla_put_u32(msg, NL80211_BSS_STATUS,
9332 NL80211_BSS_STATUS_ASSOCIATED))
9333 goto nla_put_failure;
9335 case NL80211_IFTYPE_ADHOC:
9336 if (intbss == wdev->current_bss &&
9337 nla_put_u32(msg, NL80211_BSS_STATUS,
9338 NL80211_BSS_STATUS_IBSS_JOINED))
9339 goto nla_put_failure;
9345 nla_nest_end(msg, bss);
9347 genlmsg_end(msg, hdr);
9353 genlmsg_cancel(msg, hdr);
9357 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
9359 struct cfg80211_registered_device *rdev;
9360 struct cfg80211_internal_bss *scan;
9361 struct wireless_dev *wdev;
9362 int start = cb->args[2], idx = 0;
9366 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
9373 spin_lock_bh(&rdev->bss_lock);
9376 * dump_scan will be called multiple times to break up the scan results
9377 * into multiple messages. It is unlikely that any more bss-es will be
9378 * expired after the first call, so only call only call this on the
9379 * first dump_scan invocation.
9382 cfg80211_bss_expire(rdev);
9384 cb->seq = rdev->bss_generation;
9386 list_for_each_entry(scan, &rdev->bss_list, list) {
9389 if (nl80211_send_bss(skb, cb,
9390 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9391 rdev, wdev, scan) < 0) {
9397 spin_unlock_bh(&rdev->bss_lock);
9406 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
9407 int flags, struct net_device *dev,
9408 bool allow_radio_stats,
9409 struct survey_info *survey)
9412 struct nlattr *infoattr;
9414 /* skip radio stats if userspace didn't request them */
9415 if (!survey->channel && !allow_radio_stats)
9418 hdr = nl80211hdr_put(msg, portid, seq, flags,
9419 NL80211_CMD_NEW_SURVEY_RESULTS);
9423 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9424 goto nla_put_failure;
9426 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
9428 goto nla_put_failure;
9430 if (survey->channel &&
9431 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9432 survey->channel->center_freq))
9433 goto nla_put_failure;
9435 if (survey->channel && survey->channel->freq_offset &&
9436 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
9437 survey->channel->freq_offset))
9438 goto nla_put_failure;
9440 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
9441 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
9442 goto nla_put_failure;
9443 if ((survey->filled & SURVEY_INFO_IN_USE) &&
9444 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
9445 goto nla_put_failure;
9446 if ((survey->filled & SURVEY_INFO_TIME) &&
9447 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
9448 survey->time, NL80211_SURVEY_INFO_PAD))
9449 goto nla_put_failure;
9450 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
9451 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
9452 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9453 goto nla_put_failure;
9454 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
9455 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
9456 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9457 goto nla_put_failure;
9458 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
9459 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
9460 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9461 goto nla_put_failure;
9462 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
9463 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
9464 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9465 goto nla_put_failure;
9466 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
9467 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
9468 survey->time_scan, NL80211_SURVEY_INFO_PAD))
9469 goto nla_put_failure;
9470 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
9471 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
9472 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
9473 goto nla_put_failure;
9475 nla_nest_end(msg, infoattr);
9477 genlmsg_end(msg, hdr);
9481 genlmsg_cancel(msg, hdr);
9485 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
9487 struct nlattr **attrbuf;
9488 struct survey_info survey;
9489 struct cfg80211_registered_device *rdev;
9490 struct wireless_dev *wdev;
9491 int survey_idx = cb->args[2];
9495 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
9500 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
9504 /* prepare_wdev_dump parsed the attributes */
9505 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
9507 if (!wdev->netdev) {
9512 if (!rdev->ops->dump_survey) {
9518 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
9524 /* don't send disabled channels, but do send non-channel data */
9525 if (survey.channel &&
9526 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
9531 if (nl80211_send_survey(skb,
9532 NETLINK_CB(cb->skb).portid,
9533 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9534 wdev->netdev, radio_stats, &survey) < 0)
9540 cb->args[2] = survey_idx;
9548 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
9550 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
9551 NL80211_WPA_VERSION_2 |
9552 NL80211_WPA_VERSION_3));
9555 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
9557 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9558 struct net_device *dev = info->user_ptr[1];
9559 struct ieee80211_channel *chan;
9560 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
9561 int err, ssid_len, ie_len = 0, auth_data_len = 0;
9562 enum nl80211_auth_type auth_type;
9563 struct key_parse key;
9564 bool local_state_change;
9567 if (!info->attrs[NL80211_ATTR_MAC])
9570 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
9573 if (!info->attrs[NL80211_ATTR_SSID])
9576 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9579 err = nl80211_parse_key(info, &key);
9584 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
9586 if (!key.p.key || !key.p.key_len)
9588 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
9589 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
9590 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
9591 key.p.key_len != WLAN_KEY_LEN_WEP104))
9604 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
9605 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
9614 if (!rdev->ops->auth)
9617 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9618 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9621 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9622 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9623 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9625 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9627 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
9631 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9632 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9634 if (info->attrs[NL80211_ATTR_IE]) {
9635 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9636 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9639 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9640 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
9643 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9644 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9645 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9646 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
9647 !info->attrs[NL80211_ATTR_AUTH_DATA])
9650 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
9651 if (auth_type != NL80211_AUTHTYPE_SAE &&
9652 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9653 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9654 auth_type != NL80211_AUTHTYPE_FILS_PK)
9656 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9657 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
9660 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9663 * Since we no longer track auth state, ignore
9664 * requests to only change local state.
9666 if (local_state_change)
9669 wdev_lock(dev->ieee80211_ptr);
9670 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9671 ssid, ssid_len, ie, ie_len,
9672 key.p.key, key.p.key_len, key.idx,
9673 auth_data, auth_data_len);
9674 wdev_unlock(dev->ieee80211_ptr);
9678 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9679 struct genl_info *info)
9681 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9682 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9686 if (!rdev->ops->tx_control_port ||
9687 !wiphy_ext_feature_isset(&rdev->wiphy,
9688 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9694 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9695 struct genl_info *info,
9696 struct cfg80211_crypto_settings *settings,
9699 memset(settings, 0, sizeof(*settings));
9701 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9703 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9706 proto = nla_get_u16(
9707 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9708 settings->control_port_ethertype = cpu_to_be16(proto);
9709 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9712 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9713 settings->control_port_no_encrypt = true;
9715 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9717 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9718 int r = validate_pae_over_nl80211(rdev, info);
9723 settings->control_port_over_nl80211 = true;
9725 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
9726 settings->control_port_no_preauth = true;
9729 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9733 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9734 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9735 settings->n_ciphers_pairwise = len / sizeof(u32);
9737 if (len % sizeof(u32))
9740 if (settings->n_ciphers_pairwise > cipher_limit)
9743 memcpy(settings->ciphers_pairwise, data, len);
9745 for (i = 0; i < settings->n_ciphers_pairwise; i++)
9746 if (!cfg80211_supported_cipher_suite(
9748 settings->ciphers_pairwise[i]))
9752 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9753 settings->cipher_group =
9754 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
9755 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9756 settings->cipher_group))
9760 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9761 settings->wpa_versions =
9762 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9763 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9767 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9771 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9772 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9773 settings->n_akm_suites = len / sizeof(u32);
9775 if (len % sizeof(u32))
9778 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9781 memcpy(settings->akm_suites, data, len);
9784 if (info->attrs[NL80211_ATTR_PMK]) {
9785 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9787 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9788 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
9789 !wiphy_ext_feature_isset(&rdev->wiphy,
9790 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
9792 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9795 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9796 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9797 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
9798 !wiphy_ext_feature_isset(&rdev->wiphy,
9799 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
9802 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9803 settings->sae_pwd_len =
9804 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9807 if (info->attrs[NL80211_ATTR_SAE_PWE])
9809 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
9811 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
9816 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9818 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9819 struct net_device *dev = info->user_ptr[1];
9820 struct ieee80211_channel *chan;
9821 struct cfg80211_assoc_request req = {};
9822 const u8 *bssid, *ssid;
9823 int err, ssid_len = 0;
9826 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9827 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9830 if (!info->attrs[NL80211_ATTR_MAC] ||
9831 !info->attrs[NL80211_ATTR_SSID] ||
9832 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
9835 if (!rdev->ops->assoc)
9838 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9839 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9842 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9844 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9845 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9847 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9848 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
9852 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9853 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9855 if (info->attrs[NL80211_ATTR_IE]) {
9856 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9857 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9860 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9861 enum nl80211_mfp mfp =
9862 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9863 if (mfp == NL80211_MFP_REQUIRED)
9865 else if (mfp != NL80211_MFP_NO)
9869 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9870 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9872 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9873 req.flags |= ASSOC_REQ_DISABLE_HT;
9875 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9876 memcpy(&req.ht_capa_mask,
9877 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9878 sizeof(req.ht_capa_mask));
9880 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9881 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9883 memcpy(&req.ht_capa,
9884 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9885 sizeof(req.ht_capa));
9888 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9889 req.flags |= ASSOC_REQ_DISABLE_VHT;
9891 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9892 memcpy(&req.vht_capa_mask,
9893 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9894 sizeof(req.vht_capa_mask));
9896 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9897 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9899 memcpy(&req.vht_capa,
9900 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9901 sizeof(req.vht_capa));
9904 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9905 if (!((rdev->wiphy.features &
9906 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9907 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9908 !wiphy_ext_feature_isset(&rdev->wiphy,
9909 NL80211_EXT_FEATURE_RRM))
9911 req.flags |= ASSOC_REQ_USE_RRM;
9914 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9915 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9916 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9917 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9920 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9923 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
9924 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
9926 memcpy(&req.s1g_capa_mask,
9927 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
9928 sizeof(req.s1g_capa_mask));
9931 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
9932 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
9934 memcpy(&req.s1g_capa,
9935 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
9936 sizeof(req.s1g_capa));
9939 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
9941 wdev_lock(dev->ieee80211_ptr);
9943 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9944 ssid, ssid_len, &req);
9946 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9947 dev->ieee80211_ptr->conn_owner_nlportid =
9949 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9953 wdev_unlock(dev->ieee80211_ptr);
9959 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9961 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9962 struct net_device *dev = info->user_ptr[1];
9963 const u8 *ie = NULL, *bssid;
9964 int ie_len = 0, err;
9966 bool local_state_change;
9968 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9969 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9972 if (!info->attrs[NL80211_ATTR_MAC])
9975 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9978 if (!rdev->ops->deauth)
9981 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9982 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9985 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9987 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9988 if (reason_code == 0) {
9989 /* Reason Code 0 is reserved */
9993 if (info->attrs[NL80211_ATTR_IE]) {
9994 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9995 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9998 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10000 wdev_lock(dev->ieee80211_ptr);
10001 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
10002 local_state_change);
10003 wdev_unlock(dev->ieee80211_ptr);
10007 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
10009 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10010 struct net_device *dev = info->user_ptr[1];
10011 const u8 *ie = NULL, *bssid;
10012 int ie_len = 0, err;
10014 bool local_state_change;
10016 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10017 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10020 if (!info->attrs[NL80211_ATTR_MAC])
10023 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10026 if (!rdev->ops->disassoc)
10027 return -EOPNOTSUPP;
10029 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10030 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10031 return -EOPNOTSUPP;
10033 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10035 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10036 if (reason_code == 0) {
10037 /* Reason Code 0 is reserved */
10041 if (info->attrs[NL80211_ATTR_IE]) {
10042 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10043 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10046 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10048 wdev_lock(dev->ieee80211_ptr);
10049 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
10050 local_state_change);
10051 wdev_unlock(dev->ieee80211_ptr);
10056 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
10057 int mcast_rate[NUM_NL80211_BANDS],
10060 struct wiphy *wiphy = &rdev->wiphy;
10061 bool found = false;
10064 for (band = 0; band < NUM_NL80211_BANDS; band++) {
10065 struct ieee80211_supported_band *sband;
10067 sband = wiphy->bands[band];
10071 for (i = 0; i < sband->n_bitrates; i++) {
10072 if (sband->bitrates[i].bitrate == rateval) {
10073 mcast_rate[band] = i + 1;
10083 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
10085 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10086 struct net_device *dev = info->user_ptr[1];
10087 struct cfg80211_ibss_params ibss;
10088 struct wiphy *wiphy;
10089 struct cfg80211_cached_keys *connkeys = NULL;
10092 memset(&ibss, 0, sizeof(ibss));
10094 if (!info->attrs[NL80211_ATTR_SSID] ||
10095 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10098 ibss.beacon_interval = 100;
10100 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
10101 ibss.beacon_interval =
10102 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10104 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
10105 ibss.beacon_interval);
10109 if (!rdev->ops->join_ibss)
10110 return -EOPNOTSUPP;
10112 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10113 return -EOPNOTSUPP;
10115 wiphy = &rdev->wiphy;
10117 if (info->attrs[NL80211_ATTR_MAC]) {
10118 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10120 if (!is_valid_ether_addr(ibss.bssid))
10123 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10124 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10126 if (info->attrs[NL80211_ATTR_IE]) {
10127 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10128 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10131 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
10135 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
10136 NL80211_IFTYPE_ADHOC))
10139 switch (ibss.chandef.width) {
10140 case NL80211_CHAN_WIDTH_5:
10141 case NL80211_CHAN_WIDTH_10:
10142 case NL80211_CHAN_WIDTH_20_NOHT:
10144 case NL80211_CHAN_WIDTH_20:
10145 case NL80211_CHAN_WIDTH_40:
10146 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10149 case NL80211_CHAN_WIDTH_80:
10150 case NL80211_CHAN_WIDTH_80P80:
10151 case NL80211_CHAN_WIDTH_160:
10152 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10154 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10155 NL80211_EXT_FEATURE_VHT_IBSS))
10162 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
10163 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
10165 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10167 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10169 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10170 struct ieee80211_supported_band *sband =
10171 wiphy->bands[ibss.chandef.chan->band];
10173 err = ieee80211_get_ratemask(sband, rates, n_rates,
10174 &ibss.basic_rates);
10179 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10180 memcpy(&ibss.ht_capa_mask,
10181 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10182 sizeof(ibss.ht_capa_mask));
10184 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10185 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10187 memcpy(&ibss.ht_capa,
10188 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10189 sizeof(ibss.ht_capa));
10192 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10193 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
10194 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10197 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10198 bool no_ht = false;
10200 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
10201 if (IS_ERR(connkeys))
10202 return PTR_ERR(connkeys);
10204 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
10206 kfree_sensitive(connkeys);
10211 ibss.control_port =
10212 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
10214 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10215 int r = validate_pae_over_nl80211(rdev, info);
10218 kfree_sensitive(connkeys);
10222 ibss.control_port_over_nl80211 = true;
10225 ibss.userspace_handles_dfs =
10226 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10228 wdev_lock(dev->ieee80211_ptr);
10229 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
10231 kfree_sensitive(connkeys);
10232 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
10233 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10234 wdev_unlock(dev->ieee80211_ptr);
10239 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
10241 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10242 struct net_device *dev = info->user_ptr[1];
10244 if (!rdev->ops->leave_ibss)
10245 return -EOPNOTSUPP;
10247 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10248 return -EOPNOTSUPP;
10250 return cfg80211_leave_ibss(rdev, dev, false);
10253 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
10255 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10256 struct net_device *dev = info->user_ptr[1];
10257 int mcast_rate[NUM_NL80211_BANDS];
10261 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
10262 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
10263 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
10264 return -EOPNOTSUPP;
10266 if (!rdev->ops->set_mcast_rate)
10267 return -EOPNOTSUPP;
10269 memset(mcast_rate, 0, sizeof(mcast_rate));
10271 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
10274 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
10275 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
10278 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
10283 static struct sk_buff *
10284 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
10285 struct wireless_dev *wdev, int approxlen,
10286 u32 portid, u32 seq, enum nl80211_commands cmd,
10287 enum nl80211_attrs attr,
10288 const struct nl80211_vendor_cmd_info *info,
10291 struct sk_buff *skb;
10293 struct nlattr *data;
10295 skb = nlmsg_new(approxlen + 100, gfp);
10299 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
10305 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10306 goto nla_put_failure;
10309 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
10311 goto nla_put_failure;
10312 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
10314 goto nla_put_failure;
10318 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
10319 wdev_id(wdev), NL80211_ATTR_PAD))
10320 goto nla_put_failure;
10321 if (wdev->netdev &&
10322 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
10323 wdev->netdev->ifindex))
10324 goto nla_put_failure;
10327 data = nla_nest_start_noflag(skb, attr);
10329 goto nla_put_failure;
10331 ((void **)skb->cb)[0] = rdev;
10332 ((void **)skb->cb)[1] = hdr;
10333 ((void **)skb->cb)[2] = data;
10342 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
10343 struct wireless_dev *wdev,
10344 enum nl80211_commands cmd,
10345 enum nl80211_attrs attr,
10346 unsigned int portid,
10347 int vendor_event_idx,
10348 int approxlen, gfp_t gfp)
10350 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
10351 const struct nl80211_vendor_cmd_info *info;
10354 case NL80211_CMD_TESTMODE:
10355 if (WARN_ON(vendor_event_idx != -1))
10359 case NL80211_CMD_VENDOR:
10360 if (WARN_ON(vendor_event_idx < 0 ||
10361 vendor_event_idx >= wiphy->n_vendor_events))
10363 info = &wiphy->vendor_events[vendor_event_idx];
10370 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
10371 cmd, attr, info, gfp);
10373 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
10375 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
10377 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
10378 void *hdr = ((void **)skb->cb)[1];
10379 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
10380 struct nlattr *data = ((void **)skb->cb)[2];
10381 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
10383 /* clear CB data for netlink core to own from now on */
10384 memset(skb->cb, 0, sizeof(skb->cb));
10386 nla_nest_end(skb, data);
10387 genlmsg_end(skb, hdr);
10389 if (nlhdr->nlmsg_pid) {
10390 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
10393 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
10394 mcgrp = NL80211_MCGRP_VENDOR;
10396 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
10397 skb, 0, mcgrp, gfp);
10400 EXPORT_SYMBOL(__cfg80211_send_event_skb);
10402 #ifdef CONFIG_NL80211_TESTMODE
10403 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
10405 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10406 struct wireless_dev *wdev =
10407 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
10410 if (!rdev->ops->testmode_cmd)
10411 return -EOPNOTSUPP;
10413 if (IS_ERR(wdev)) {
10414 err = PTR_ERR(wdev);
10415 if (err != -EINVAL)
10418 } else if (wdev->wiphy != &rdev->wiphy) {
10422 if (!info->attrs[NL80211_ATTR_TESTDATA])
10425 rdev->cur_cmd_info = info;
10426 err = rdev_testmode_cmd(rdev, wdev,
10427 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
10428 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
10429 rdev->cur_cmd_info = NULL;
10434 static int nl80211_testmode_dump(struct sk_buff *skb,
10435 struct netlink_callback *cb)
10437 struct cfg80211_registered_device *rdev;
10438 struct nlattr **attrbuf = NULL;
10448 * 0 is a valid index, but not valid for args[0],
10449 * so we need to offset by 1.
10451 phy_idx = cb->args[0] - 1;
10453 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
10459 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
10466 err = nlmsg_parse_deprecated(cb->nlh,
10467 GENL_HDRLEN + nl80211_fam.hdrsize,
10468 attrbuf, nl80211_fam.maxattr,
10469 nl80211_policy, NULL);
10473 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
10474 if (IS_ERR(rdev)) {
10475 err = PTR_ERR(rdev);
10478 phy_idx = rdev->wiphy_idx;
10480 if (attrbuf[NL80211_ATTR_TESTDATA])
10481 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
10485 data = nla_data((void *)cb->args[1]);
10486 data_len = nla_len((void *)cb->args[1]);
10489 if (!rdev->ops->testmode_dump) {
10495 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
10496 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10497 NL80211_CMD_TESTMODE);
10498 struct nlattr *tmdata;
10503 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
10504 genlmsg_cancel(skb, hdr);
10508 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
10510 genlmsg_cancel(skb, hdr);
10513 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
10514 nla_nest_end(skb, tmdata);
10516 if (err == -ENOBUFS || err == -ENOENT) {
10517 genlmsg_cancel(skb, hdr);
10520 genlmsg_cancel(skb, hdr);
10524 genlmsg_end(skb, hdr);
10529 cb->args[0] = phy_idx + 1;
10537 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
10539 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10540 struct net_device *dev = info->user_ptr[1];
10541 struct cfg80211_connect_params connect;
10542 struct wiphy *wiphy;
10543 struct cfg80211_cached_keys *connkeys = NULL;
10547 memset(&connect, 0, sizeof(connect));
10549 if (!info->attrs[NL80211_ATTR_SSID] ||
10550 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10553 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10554 connect.auth_type =
10555 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10556 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
10557 NL80211_CMD_CONNECT))
10560 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
10562 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
10564 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
10565 !wiphy_ext_feature_isset(&rdev->wiphy,
10566 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
10568 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
10570 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
10571 NL80211_MAX_NR_CIPHER_SUITES);
10575 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10576 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10577 return -EOPNOTSUPP;
10579 wiphy = &rdev->wiphy;
10581 connect.bg_scan_period = -1;
10582 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
10583 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
10584 connect.bg_scan_period =
10585 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
10588 if (info->attrs[NL80211_ATTR_MAC])
10589 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10590 else if (info->attrs[NL80211_ATTR_MAC_HINT])
10591 connect.bssid_hint =
10592 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
10593 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10594 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10596 if (info->attrs[NL80211_ATTR_IE]) {
10597 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10598 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10601 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10602 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10603 if (connect.mfp == NL80211_MFP_OPTIONAL &&
10604 !wiphy_ext_feature_isset(&rdev->wiphy,
10605 NL80211_EXT_FEATURE_MFP_OPTIONAL))
10606 return -EOPNOTSUPP;
10608 connect.mfp = NL80211_MFP_NO;
10611 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10612 connect.prev_bssid =
10613 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10615 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
10616 freq = MHZ_TO_KHZ(nla_get_u32(
10617 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10618 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10620 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10623 connect.channel = nl80211_get_valid_chan(wiphy, freq);
10624 if (!connect.channel)
10626 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
10627 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
10628 freq = MHZ_TO_KHZ(freq);
10629 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
10630 if (!connect.channel_hint)
10634 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
10635 connect.edmg.channels =
10636 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
10638 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
10639 connect.edmg.bw_config =
10640 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
10643 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10644 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
10645 if (IS_ERR(connkeys))
10646 return PTR_ERR(connkeys);
10649 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10650 connect.flags |= ASSOC_REQ_DISABLE_HT;
10652 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10653 memcpy(&connect.ht_capa_mask,
10654 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10655 sizeof(connect.ht_capa_mask));
10657 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10658 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
10659 kfree_sensitive(connkeys);
10662 memcpy(&connect.ht_capa,
10663 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10664 sizeof(connect.ht_capa));
10667 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10668 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10670 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10671 memcpy(&connect.vht_capa_mask,
10672 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10673 sizeof(connect.vht_capa_mask));
10675 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10676 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
10677 kfree_sensitive(connkeys);
10680 memcpy(&connect.vht_capa,
10681 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10682 sizeof(connect.vht_capa));
10685 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10686 if (!((rdev->wiphy.features &
10687 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10688 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10689 !wiphy_ext_feature_isset(&rdev->wiphy,
10690 NL80211_EXT_FEATURE_RRM)) {
10691 kfree_sensitive(connkeys);
10694 connect.flags |= ASSOC_REQ_USE_RRM;
10697 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
10698 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
10699 kfree_sensitive(connkeys);
10700 return -EOPNOTSUPP;
10703 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10704 /* bss selection makes no sense if bssid is set */
10705 if (connect.bssid) {
10706 kfree_sensitive(connkeys);
10710 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10711 wiphy, &connect.bss_select);
10713 kfree_sensitive(connkeys);
10718 if (wiphy_ext_feature_isset(&rdev->wiphy,
10719 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10720 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10721 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10722 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10723 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10724 connect.fils_erp_username =
10725 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10726 connect.fils_erp_username_len =
10727 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10728 connect.fils_erp_realm =
10729 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10730 connect.fils_erp_realm_len =
10731 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10732 connect.fils_erp_next_seq_num =
10734 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10735 connect.fils_erp_rrk =
10736 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10737 connect.fils_erp_rrk_len =
10738 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10739 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10740 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10741 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10742 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10743 kfree_sensitive(connkeys);
10747 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10748 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10749 kfree_sensitive(connkeys);
10750 GENL_SET_ERR_MSG(info,
10751 "external auth requires connection ownership");
10754 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10757 wdev_lock(dev->ieee80211_ptr);
10759 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10760 connect.prev_bssid);
10762 kfree_sensitive(connkeys);
10764 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10765 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10767 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10768 connect.bssid, ETH_ALEN);
10770 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
10773 wdev_unlock(dev->ieee80211_ptr);
10778 static int nl80211_update_connect_params(struct sk_buff *skb,
10779 struct genl_info *info)
10781 struct cfg80211_connect_params connect = {};
10782 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10783 struct net_device *dev = info->user_ptr[1];
10784 struct wireless_dev *wdev = dev->ieee80211_ptr;
10785 bool fils_sk_offload;
10790 if (!rdev->ops->update_connect_params)
10791 return -EOPNOTSUPP;
10793 if (info->attrs[NL80211_ATTR_IE]) {
10794 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10795 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10796 changed |= UPDATE_ASSOC_IES;
10799 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10800 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10803 * when driver supports fils-sk offload all attributes must be
10804 * provided. So the else covers "fils-sk-not-all" and
10805 * "no-fils-sk-any".
10807 if (fils_sk_offload &&
10808 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10809 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10810 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10811 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10812 connect.fils_erp_username =
10813 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10814 connect.fils_erp_username_len =
10815 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10816 connect.fils_erp_realm =
10817 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10818 connect.fils_erp_realm_len =
10819 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10820 connect.fils_erp_next_seq_num =
10822 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10823 connect.fils_erp_rrk =
10824 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10825 connect.fils_erp_rrk_len =
10826 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10827 changed |= UPDATE_FILS_ERP_INFO;
10828 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10829 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10830 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10831 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10835 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10836 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10837 if (!nl80211_valid_auth_type(rdev, auth_type,
10838 NL80211_CMD_CONNECT))
10841 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
10842 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
10845 connect.auth_type = auth_type;
10846 changed |= UPDATE_AUTH_TYPE;
10849 wdev_lock(dev->ieee80211_ptr);
10850 if (!wdev->current_bss)
10853 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
10854 wdev_unlock(dev->ieee80211_ptr);
10859 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
10861 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10862 struct net_device *dev = info->user_ptr[1];
10866 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10867 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10870 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10871 reason = WLAN_REASON_DEAUTH_LEAVING;
10873 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10878 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10879 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10880 return -EOPNOTSUPP;
10882 wdev_lock(dev->ieee80211_ptr);
10883 ret = cfg80211_disconnect(rdev, dev, reason, true);
10884 wdev_unlock(dev->ieee80211_ptr);
10888 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
10890 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10894 if (info->attrs[NL80211_ATTR_PID]) {
10895 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
10897 net = get_net_ns_by_pid(pid);
10898 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
10899 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
10901 net = get_net_ns_by_fd(fd);
10907 return PTR_ERR(net);
10911 /* check if anything to do */
10912 if (!net_eq(wiphy_net(&rdev->wiphy), net))
10913 err = cfg80211_switch_netns(rdev, net);
10919 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10921 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10922 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10923 struct cfg80211_pmksa *pmksa) = NULL;
10924 struct net_device *dev = info->user_ptr[1];
10925 struct cfg80211_pmksa pmksa;
10927 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10929 if (!info->attrs[NL80211_ATTR_PMKID])
10932 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
10934 if (info->attrs[NL80211_ATTR_MAC]) {
10935 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10936 } else if (info->attrs[NL80211_ATTR_SSID] &&
10937 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10938 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10939 info->attrs[NL80211_ATTR_PMK])) {
10940 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10941 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10943 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10947 if (info->attrs[NL80211_ATTR_PMK]) {
10948 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10949 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10952 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
10953 pmksa.pmk_lifetime =
10954 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
10956 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
10957 pmksa.pmk_reauth_threshold =
10959 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
10961 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10962 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10963 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10964 wiphy_ext_feature_isset(&rdev->wiphy,
10965 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
10966 return -EOPNOTSUPP;
10968 switch (info->genlhdr->cmd) {
10969 case NL80211_CMD_SET_PMKSA:
10970 rdev_ops = rdev->ops->set_pmksa;
10972 case NL80211_CMD_DEL_PMKSA:
10973 rdev_ops = rdev->ops->del_pmksa;
10981 return -EOPNOTSUPP;
10983 return rdev_ops(&rdev->wiphy, dev, &pmksa);
10986 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10988 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10989 struct net_device *dev = info->user_ptr[1];
10991 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10992 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10993 return -EOPNOTSUPP;
10995 if (!rdev->ops->flush_pmksa)
10996 return -EOPNOTSUPP;
10998 return rdev_flush_pmksa(rdev, dev);
11001 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
11003 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11004 struct net_device *dev = info->user_ptr[1];
11005 u8 action_code, dialog_token;
11006 u32 peer_capability = 0;
11011 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11012 !rdev->ops->tdls_mgmt)
11013 return -EOPNOTSUPP;
11015 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
11016 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
11017 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
11018 !info->attrs[NL80211_ATTR_IE] ||
11019 !info->attrs[NL80211_ATTR_MAC])
11022 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11023 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
11024 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
11025 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
11026 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
11027 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
11029 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
11031 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
11032 dialog_token, status_code, peer_capability,
11034 nla_data(info->attrs[NL80211_ATTR_IE]),
11035 nla_len(info->attrs[NL80211_ATTR_IE]));
11038 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
11040 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11041 struct net_device *dev = info->user_ptr[1];
11042 enum nl80211_tdls_operation operation;
11045 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11046 !rdev->ops->tdls_oper)
11047 return -EOPNOTSUPP;
11049 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
11050 !info->attrs[NL80211_ATTR_MAC])
11053 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
11054 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11056 return rdev_tdls_oper(rdev, dev, peer, operation);
11059 static int nl80211_remain_on_channel(struct sk_buff *skb,
11060 struct genl_info *info)
11062 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11063 struct wireless_dev *wdev = info->user_ptr[1];
11064 struct cfg80211_chan_def chandef;
11065 const struct cfg80211_chan_def *compat_chandef;
11066 struct sk_buff *msg;
11072 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11073 !info->attrs[NL80211_ATTR_DURATION])
11076 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11078 if (!rdev->ops->remain_on_channel ||
11079 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
11080 return -EOPNOTSUPP;
11083 * We should be on that channel for at least a minimum amount of
11084 * time (10ms) but no longer than the driver supports.
11086 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11087 duration > rdev->wiphy.max_remain_on_channel_duration)
11090 err = nl80211_parse_chandef(rdev, info, &chandef);
11095 if (!cfg80211_off_channel_oper_allowed(wdev) &&
11096 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
11097 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
11099 if (compat_chandef != &chandef) {
11106 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11110 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11111 NL80211_CMD_REMAIN_ON_CHANNEL);
11117 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
11118 duration, &cookie);
11123 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11125 goto nla_put_failure;
11127 genlmsg_end(msg, hdr);
11129 return genlmsg_reply(msg, info);
11138 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
11139 struct genl_info *info)
11141 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11142 struct wireless_dev *wdev = info->user_ptr[1];
11145 if (!info->attrs[NL80211_ATTR_COOKIE])
11148 if (!rdev->ops->cancel_remain_on_channel)
11149 return -EOPNOTSUPP;
11151 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11153 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
11156 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
11157 struct genl_info *info)
11159 struct cfg80211_bitrate_mask mask;
11160 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11161 struct net_device *dev = info->user_ptr[1];
11164 if (!rdev->ops->set_bitrate_mask)
11165 return -EOPNOTSUPP;
11167 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11168 NL80211_ATTR_TX_RATES, &mask,
11173 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
11176 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
11178 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11179 struct wireless_dev *wdev = info->user_ptr[1];
11180 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
11182 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
11185 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
11186 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
11188 switch (wdev->iftype) {
11189 case NL80211_IFTYPE_STATION:
11190 case NL80211_IFTYPE_ADHOC:
11191 case NL80211_IFTYPE_P2P_CLIENT:
11192 case NL80211_IFTYPE_AP:
11193 case NL80211_IFTYPE_AP_VLAN:
11194 case NL80211_IFTYPE_MESH_POINT:
11195 case NL80211_IFTYPE_P2P_GO:
11196 case NL80211_IFTYPE_P2P_DEVICE:
11198 case NL80211_IFTYPE_NAN:
11200 return -EOPNOTSUPP;
11203 /* not much point in registering if we can't reply */
11204 if (!rdev->ops->mgmt_tx)
11205 return -EOPNOTSUPP;
11207 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
11208 !wiphy_ext_feature_isset(&rdev->wiphy,
11209 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
11210 GENL_SET_ERR_MSG(info,
11211 "multicast RX registrations are not supported");
11212 return -EOPNOTSUPP;
11215 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
11216 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11217 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11218 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
11222 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
11224 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11225 struct wireless_dev *wdev = info->user_ptr[1];
11226 struct cfg80211_chan_def chandef;
11230 struct sk_buff *msg = NULL;
11231 struct cfg80211_mgmt_tx_params params = {
11232 .dont_wait_for_ack =
11233 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
11236 if (!info->attrs[NL80211_ATTR_FRAME])
11239 if (!rdev->ops->mgmt_tx)
11240 return -EOPNOTSUPP;
11242 switch (wdev->iftype) {
11243 case NL80211_IFTYPE_P2P_DEVICE:
11244 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
11247 case NL80211_IFTYPE_STATION:
11248 case NL80211_IFTYPE_ADHOC:
11249 case NL80211_IFTYPE_P2P_CLIENT:
11250 case NL80211_IFTYPE_AP:
11251 case NL80211_IFTYPE_AP_VLAN:
11252 case NL80211_IFTYPE_MESH_POINT:
11253 case NL80211_IFTYPE_P2P_GO:
11255 case NL80211_IFTYPE_NAN:
11257 return -EOPNOTSUPP;
11260 if (info->attrs[NL80211_ATTR_DURATION]) {
11261 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11263 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11266 * We should wait on the channel for at least a minimum amount
11267 * of time (10ms) but no longer than the driver supports.
11269 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11270 params.wait > rdev->wiphy.max_remain_on_channel_duration)
11274 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
11276 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11279 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
11281 /* get the channel if any has been specified, otherwise pass NULL to
11282 * the driver. The latter will use the current one
11284 chandef.chan = NULL;
11285 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11286 err = nl80211_parse_chandef(rdev, info, &chandef);
11291 if (!chandef.chan && params.offchan)
11295 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
11301 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
11302 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
11304 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
11305 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11308 if (len % sizeof(u16))
11311 params.n_csa_offsets = len / sizeof(u16);
11312 params.csa_offsets =
11313 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11315 /* check that all the offsets fit the frame */
11316 for (i = 0; i < params.n_csa_offsets; i++) {
11317 if (params.csa_offsets[i] >= params.len)
11322 if (!params.dont_wait_for_ack) {
11323 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11327 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11328 NL80211_CMD_FRAME);
11335 params.chan = chandef.chan;
11336 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
11341 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11343 goto nla_put_failure;
11345 genlmsg_end(msg, hdr);
11346 return genlmsg_reply(msg, info);
11358 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
11360 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11361 struct wireless_dev *wdev = info->user_ptr[1];
11364 if (!info->attrs[NL80211_ATTR_COOKIE])
11367 if (!rdev->ops->mgmt_tx_cancel_wait)
11368 return -EOPNOTSUPP;
11370 switch (wdev->iftype) {
11371 case NL80211_IFTYPE_STATION:
11372 case NL80211_IFTYPE_ADHOC:
11373 case NL80211_IFTYPE_P2P_CLIENT:
11374 case NL80211_IFTYPE_AP:
11375 case NL80211_IFTYPE_AP_VLAN:
11376 case NL80211_IFTYPE_P2P_GO:
11377 case NL80211_IFTYPE_P2P_DEVICE:
11379 case NL80211_IFTYPE_NAN:
11381 return -EOPNOTSUPP;
11384 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11386 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
11389 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
11391 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11392 struct wireless_dev *wdev;
11393 struct net_device *dev = info->user_ptr[1];
11398 if (!info->attrs[NL80211_ATTR_PS_STATE])
11401 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
11403 wdev = dev->ieee80211_ptr;
11405 if (!rdev->ops->set_power_mgmt)
11406 return -EOPNOTSUPP;
11408 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
11410 if (state == wdev->ps)
11413 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
11419 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
11421 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11422 enum nl80211_ps_state ps_state;
11423 struct wireless_dev *wdev;
11424 struct net_device *dev = info->user_ptr[1];
11425 struct sk_buff *msg;
11429 wdev = dev->ieee80211_ptr;
11431 if (!rdev->ops->set_power_mgmt)
11432 return -EOPNOTSUPP;
11434 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11438 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11439 NL80211_CMD_GET_POWER_SAVE);
11446 ps_state = NL80211_PS_ENABLED;
11448 ps_state = NL80211_PS_DISABLED;
11450 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
11451 goto nla_put_failure;
11453 genlmsg_end(msg, hdr);
11454 return genlmsg_reply(msg, info);
11463 static const struct nla_policy
11464 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
11465 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
11466 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
11467 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
11468 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
11469 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
11470 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
11471 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
11474 static int nl80211_set_cqm_txe(struct genl_info *info,
11475 u32 rate, u32 pkts, u32 intvl)
11477 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11478 struct net_device *dev = info->user_ptr[1];
11479 struct wireless_dev *wdev = dev->ieee80211_ptr;
11481 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
11484 if (!rdev->ops->set_cqm_txe_config)
11485 return -EOPNOTSUPP;
11487 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11488 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11489 return -EOPNOTSUPP;
11491 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
11494 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
11495 struct net_device *dev)
11497 struct wireless_dev *wdev = dev->ieee80211_ptr;
11498 s32 last, low, high;
11500 int i, n, low_index;
11503 /* RSSI reporting disabled? */
11504 if (!wdev->cqm_config)
11505 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
11508 * Obtain current RSSI value if possible, if not and no RSSI threshold
11509 * event has been received yet, we should receive an event after a
11510 * connection is established and enough beacons received to calculate
11513 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
11514 rdev->ops->get_station) {
11515 struct station_info sinfo = {};
11518 mac_addr = wdev->current_bss->pub.bssid;
11520 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
11524 cfg80211_sinfo_release_content(&sinfo);
11525 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
11526 wdev->cqm_config->last_rssi_event_value =
11527 (s8) sinfo.rx_beacon_signal_avg;
11530 last = wdev->cqm_config->last_rssi_event_value;
11531 hyst = wdev->cqm_config->rssi_hyst;
11532 n = wdev->cqm_config->n_rssi_thresholds;
11534 for (i = 0; i < n; i++) {
11535 i = array_index_nospec(i, n);
11536 if (last < wdev->cqm_config->rssi_thresholds[i])
11541 if (low_index >= 0) {
11542 low_index = array_index_nospec(low_index, n);
11543 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
11548 i = array_index_nospec(i, n);
11549 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
11554 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
11557 static int nl80211_set_cqm_rssi(struct genl_info *info,
11558 const s32 *thresholds, int n_thresholds,
11561 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11562 struct net_device *dev = info->user_ptr[1];
11563 struct wireless_dev *wdev = dev->ieee80211_ptr;
11565 s32 prev = S32_MIN;
11567 /* Check all values negative and sorted */
11568 for (i = 0; i < n_thresholds; i++) {
11569 if (thresholds[i] > 0 || thresholds[i] <= prev)
11572 prev = thresholds[i];
11575 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11576 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11577 return -EOPNOTSUPP;
11580 cfg80211_cqm_config_free(wdev);
11583 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
11584 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
11585 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
11587 return rdev_set_cqm_rssi_config(rdev, dev,
11588 thresholds[0], hysteresis);
11591 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11592 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
11593 return -EOPNOTSUPP;
11595 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
11599 if (n_thresholds) {
11600 struct cfg80211_cqm_config *cqm_config;
11602 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
11603 n_thresholds * sizeof(s32), GFP_KERNEL);
11609 cqm_config->rssi_hyst = hysteresis;
11610 cqm_config->n_rssi_thresholds = n_thresholds;
11611 memcpy(cqm_config->rssi_thresholds, thresholds,
11612 n_thresholds * sizeof(s32));
11614 wdev->cqm_config = cqm_config;
11617 err = cfg80211_cqm_rssi_update(rdev, dev);
11625 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
11627 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
11628 struct nlattr *cqm;
11631 cqm = info->attrs[NL80211_ATTR_CQM];
11635 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
11636 nl80211_attr_cqm_policy,
11641 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
11642 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
11643 const s32 *thresholds =
11644 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11645 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11646 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
11651 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
11655 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
11656 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
11657 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
11658 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
11659 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
11660 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
11662 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
11668 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
11670 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11671 struct net_device *dev = info->user_ptr[1];
11672 struct ocb_setup setup = {};
11675 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11679 return cfg80211_join_ocb(rdev, dev, &setup);
11682 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
11684 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11685 struct net_device *dev = info->user_ptr[1];
11687 return cfg80211_leave_ocb(rdev, dev);
11690 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11692 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11693 struct net_device *dev = info->user_ptr[1];
11694 struct mesh_config cfg;
11695 struct mesh_setup setup;
11698 /* start with default */
11699 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
11700 memcpy(&setup, &default_mesh_setup, sizeof(setup));
11702 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
11703 /* and parse parameters if given */
11704 err = nl80211_parse_mesh_config(info, &cfg, NULL);
11709 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11710 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11713 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11714 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11716 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11717 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11718 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11721 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11722 setup.beacon_interval =
11723 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11725 err = cfg80211_validate_beacon_int(rdev,
11726 NL80211_IFTYPE_MESH_POINT,
11727 setup.beacon_interval);
11732 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11733 setup.dtim_period =
11734 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11735 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11739 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11740 /* parse additional setup parameters if given */
11741 err = nl80211_parse_mesh_setup(info, &setup);
11746 if (setup.user_mpm)
11747 cfg.auto_open_plinks = false;
11749 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11750 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11754 /* __cfg80211_join_mesh() will sort it out */
11755 setup.chandef.chan = NULL;
11758 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11759 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11761 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11762 struct ieee80211_supported_band *sband;
11764 if (!setup.chandef.chan)
11767 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11769 err = ieee80211_get_ratemask(sband, rates, n_rates,
11770 &setup.basic_rates);
11775 if (info->attrs[NL80211_ATTR_TX_RATES]) {
11776 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11777 NL80211_ATTR_TX_RATES,
11778 &setup.beacon_rate,
11783 if (!setup.chandef.chan)
11786 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11787 &setup.beacon_rate);
11792 setup.userspace_handles_dfs =
11793 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11795 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11796 int r = validate_pae_over_nl80211(rdev, info);
11801 setup.control_port_over_nl80211 = true;
11804 wdev_lock(dev->ieee80211_ptr);
11805 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11806 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11807 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11808 wdev_unlock(dev->ieee80211_ptr);
11813 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11815 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11816 struct net_device *dev = info->user_ptr[1];
11818 return cfg80211_leave_mesh(rdev, dev);
11822 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11823 struct cfg80211_registered_device *rdev)
11825 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
11826 struct nlattr *nl_pats, *nl_pat;
11829 if (!wowlan->n_patterns)
11832 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
11836 for (i = 0; i < wowlan->n_patterns; i++) {
11837 nl_pat = nla_nest_start_noflag(msg, i + 1);
11840 pat_len = wowlan->patterns[i].pattern_len;
11841 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
11842 wowlan->patterns[i].mask) ||
11843 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11844 wowlan->patterns[i].pattern) ||
11845 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11846 wowlan->patterns[i].pkt_offset))
11848 nla_nest_end(msg, nl_pat);
11850 nla_nest_end(msg, nl_pats);
11855 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
11856 struct cfg80211_wowlan_tcp *tcp)
11858 struct nlattr *nl_tcp;
11863 nl_tcp = nla_nest_start_noflag(msg,
11864 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
11868 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
11869 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
11870 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
11871 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
11872 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
11873 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
11874 tcp->payload_len, tcp->payload) ||
11875 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
11876 tcp->data_interval) ||
11877 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
11878 tcp->wake_len, tcp->wake_data) ||
11879 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
11880 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
11883 if (tcp->payload_seq.len &&
11884 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
11885 sizeof(tcp->payload_seq), &tcp->payload_seq))
11888 if (tcp->payload_tok.len &&
11889 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
11890 sizeof(tcp->payload_tok) + tcp->tokens_size,
11891 &tcp->payload_tok))
11894 nla_nest_end(msg, nl_tcp);
11899 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
11900 struct cfg80211_sched_scan_request *req)
11902 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
11908 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
11912 if (req->n_scan_plans == 1 &&
11913 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
11914 req->scan_plans[0].interval * 1000))
11917 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
11920 if (req->relative_rssi_set) {
11921 struct nl80211_bss_select_rssi_adjust rssi_adjust;
11923 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
11924 req->relative_rssi))
11927 rssi_adjust.band = req->rssi_adjust.band;
11928 rssi_adjust.delta = req->rssi_adjust.delta;
11929 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
11930 sizeof(rssi_adjust), &rssi_adjust))
11934 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
11938 for (i = 0; i < req->n_channels; i++) {
11939 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
11943 nla_nest_end(msg, freqs);
11945 if (req->n_match_sets) {
11946 matches = nla_nest_start_noflag(msg,
11947 NL80211_ATTR_SCHED_SCAN_MATCH);
11951 for (i = 0; i < req->n_match_sets; i++) {
11952 match = nla_nest_start_noflag(msg, i);
11956 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11957 req->match_sets[i].ssid.ssid_len,
11958 req->match_sets[i].ssid.ssid))
11960 nla_nest_end(msg, match);
11962 nla_nest_end(msg, matches);
11965 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
11969 for (i = 0; i < req->n_scan_plans; i++) {
11970 scan_plan = nla_nest_start_noflag(msg, i + 1);
11974 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
11975 req->scan_plans[i].interval) ||
11976 (req->scan_plans[i].iterations &&
11977 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11978 req->scan_plans[i].iterations)))
11980 nla_nest_end(msg, scan_plan);
11982 nla_nest_end(msg, scan_plans);
11984 nla_nest_end(msg, nd);
11989 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11991 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11992 struct sk_buff *msg;
11994 u32 size = NLMSG_DEFAULT_SIZE;
11996 if (!rdev->wiphy.wowlan)
11997 return -EOPNOTSUPP;
11999 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
12000 /* adjust size to have room for all the data */
12001 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
12002 rdev->wiphy.wowlan_config->tcp->payload_len +
12003 rdev->wiphy.wowlan_config->tcp->wake_len +
12004 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
12007 msg = nlmsg_new(size, GFP_KERNEL);
12011 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12012 NL80211_CMD_GET_WOWLAN);
12014 goto nla_put_failure;
12016 if (rdev->wiphy.wowlan_config) {
12017 struct nlattr *nl_wowlan;
12019 nl_wowlan = nla_nest_start_noflag(msg,
12020 NL80211_ATTR_WOWLAN_TRIGGERS);
12022 goto nla_put_failure;
12024 if ((rdev->wiphy.wowlan_config->any &&
12025 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
12026 (rdev->wiphy.wowlan_config->disconnect &&
12027 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
12028 (rdev->wiphy.wowlan_config->magic_pkt &&
12029 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
12030 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
12031 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
12032 (rdev->wiphy.wowlan_config->eap_identity_req &&
12033 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
12034 (rdev->wiphy.wowlan_config->four_way_handshake &&
12035 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
12036 (rdev->wiphy.wowlan_config->rfkill_release &&
12037 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
12038 goto nla_put_failure;
12040 if (nl80211_send_wowlan_patterns(msg, rdev))
12041 goto nla_put_failure;
12043 if (nl80211_send_wowlan_tcp(msg,
12044 rdev->wiphy.wowlan_config->tcp))
12045 goto nla_put_failure;
12047 if (nl80211_send_wowlan_nd(
12049 rdev->wiphy.wowlan_config->nd_config))
12050 goto nla_put_failure;
12052 nla_nest_end(msg, nl_wowlan);
12055 genlmsg_end(msg, hdr);
12056 return genlmsg_reply(msg, info);
12063 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
12064 struct nlattr *attr,
12065 struct cfg80211_wowlan *trig)
12067 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
12068 struct cfg80211_wowlan_tcp *cfg;
12069 struct nl80211_wowlan_tcp_data_token *tok = NULL;
12070 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
12072 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
12075 if (!rdev->wiphy.wowlan->tcp)
12078 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
12079 nl80211_wowlan_tcp_policy, NULL);
12083 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
12084 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
12085 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
12086 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
12087 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
12088 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
12089 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
12090 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
12093 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
12094 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
12097 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
12098 rdev->wiphy.wowlan->tcp->data_interval_max ||
12099 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
12102 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
12103 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
12106 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
12107 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
12110 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
12111 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12113 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12114 tokens_size = tokln - sizeof(*tok);
12116 if (!tok->len || tokens_size % tok->len)
12118 if (!rdev->wiphy.wowlan->tcp->tok)
12120 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
12122 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
12124 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
12126 if (tok->offset + tok->len > data_size)
12130 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
12131 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
12132 if (!rdev->wiphy.wowlan->tcp->seq)
12134 if (seq->len == 0 || seq->len > 4)
12136 if (seq->len + seq->offset > data_size)
12140 size = sizeof(*cfg);
12142 size += wake_size + wake_mask_size;
12143 size += tokens_size;
12145 cfg = kzalloc(size, GFP_KERNEL);
12148 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
12149 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
12150 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
12152 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
12153 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
12157 /* allocate a socket and port for it and use it */
12158 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
12159 IPPROTO_TCP, &cfg->sock, 1);
12164 if (inet_csk_get_port(cfg->sock->sk, port)) {
12165 sock_release(cfg->sock);
12167 return -EADDRINUSE;
12169 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
12175 cfg->src_port = port;
12178 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
12179 cfg->payload_len = data_size;
12180 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
12181 memcpy((void *)cfg->payload,
12182 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
12185 cfg->payload_seq = *seq;
12186 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
12187 cfg->wake_len = wake_size;
12188 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
12189 memcpy((void *)cfg->wake_data,
12190 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
12192 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
12193 data_size + wake_size;
12194 memcpy((void *)cfg->wake_mask,
12195 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
12198 cfg->tokens_size = tokens_size;
12199 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
12207 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
12208 const struct wiphy_wowlan_support *wowlan,
12209 struct nlattr *attr,
12210 struct cfg80211_wowlan *trig)
12212 struct nlattr **tb;
12215 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
12219 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
12224 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
12225 nl80211_policy, NULL);
12229 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
12230 wowlan->max_nd_match_sets);
12231 err = PTR_ERR_OR_ZERO(trig->nd_config);
12233 trig->nd_config = NULL;
12240 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
12242 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12243 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
12244 struct cfg80211_wowlan new_triggers = {};
12245 struct cfg80211_wowlan *ntrig;
12246 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
12248 bool prev_enabled = rdev->wiphy.wowlan_config;
12249 bool regular = false;
12252 return -EOPNOTSUPP;
12254 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
12255 cfg80211_rdev_free_wowlan(rdev);
12256 rdev->wiphy.wowlan_config = NULL;
12260 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
12261 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
12262 nl80211_wowlan_policy, info->extack);
12266 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
12267 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
12269 new_triggers.any = true;
12272 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
12273 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
12275 new_triggers.disconnect = true;
12279 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
12280 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
12282 new_triggers.magic_pkt = true;
12286 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
12289 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
12290 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
12292 new_triggers.gtk_rekey_failure = true;
12296 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
12297 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
12299 new_triggers.eap_identity_req = true;
12303 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
12304 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
12306 new_triggers.four_way_handshake = true;
12310 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
12311 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
12313 new_triggers.rfkill_release = true;
12317 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
12318 struct nlattr *pat;
12319 int n_patterns = 0;
12320 int rem, pat_len, mask_len, pkt_offset;
12321 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12325 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12328 if (n_patterns > wowlan->n_patterns)
12331 new_triggers.patterns = kcalloc(n_patterns,
12332 sizeof(new_triggers.patterns[0]),
12334 if (!new_triggers.patterns)
12337 new_triggers.n_patterns = n_patterns;
12340 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12344 err = nla_parse_nested_deprecated(pat_tb,
12345 MAX_NL80211_PKTPAT,
12347 nl80211_packet_pattern_policy,
12353 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12354 !pat_tb[NL80211_PKTPAT_PATTERN])
12356 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12357 mask_len = DIV_ROUND_UP(pat_len, 8);
12358 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12360 if (pat_len > wowlan->pattern_max_len ||
12361 pat_len < wowlan->pattern_min_len)
12364 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12367 pkt_offset = nla_get_u32(
12368 pat_tb[NL80211_PKTPAT_OFFSET]);
12369 if (pkt_offset > wowlan->max_pkt_offset)
12371 new_triggers.patterns[i].pkt_offset = pkt_offset;
12373 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12378 new_triggers.patterns[i].mask = mask_pat;
12379 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12381 mask_pat += mask_len;
12382 new_triggers.patterns[i].pattern = mask_pat;
12383 new_triggers.patterns[i].pattern_len = pat_len;
12385 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12391 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
12393 err = nl80211_parse_wowlan_tcp(
12394 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
12400 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
12402 err = nl80211_parse_wowlan_nd(
12403 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
12409 /* The 'any' trigger means the device continues operating more or less
12410 * as in its normal operation mode and wakes up the host on most of the
12411 * normal interrupts (like packet RX, ...)
12412 * It therefore makes little sense to combine with the more constrained
12413 * wakeup trigger modes.
12415 if (new_triggers.any && regular) {
12420 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
12425 cfg80211_rdev_free_wowlan(rdev);
12426 rdev->wiphy.wowlan_config = ntrig;
12429 if (rdev->ops->set_wakeup &&
12430 prev_enabled != !!rdev->wiphy.wowlan_config)
12431 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
12435 for (i = 0; i < new_triggers.n_patterns; i++)
12436 kfree(new_triggers.patterns[i].mask);
12437 kfree(new_triggers.patterns);
12438 if (new_triggers.tcp && new_triggers.tcp->sock)
12439 sock_release(new_triggers.tcp->sock);
12440 kfree(new_triggers.tcp);
12441 kfree(new_triggers.nd_config);
12446 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
12447 struct cfg80211_registered_device *rdev)
12449 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
12451 struct cfg80211_coalesce_rules *rule;
12453 if (!rdev->coalesce->n_rules)
12456 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
12460 for (i = 0; i < rdev->coalesce->n_rules; i++) {
12461 nl_rule = nla_nest_start_noflag(msg, i + 1);
12465 rule = &rdev->coalesce->rules[i];
12466 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
12470 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
12474 nl_pats = nla_nest_start_noflag(msg,
12475 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
12479 for (j = 0; j < rule->n_patterns; j++) {
12480 nl_pat = nla_nest_start_noflag(msg, j + 1);
12483 pat_len = rule->patterns[j].pattern_len;
12484 if (nla_put(msg, NL80211_PKTPAT_MASK,
12485 DIV_ROUND_UP(pat_len, 8),
12486 rule->patterns[j].mask) ||
12487 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12488 rule->patterns[j].pattern) ||
12489 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12490 rule->patterns[j].pkt_offset))
12492 nla_nest_end(msg, nl_pat);
12494 nla_nest_end(msg, nl_pats);
12495 nla_nest_end(msg, nl_rule);
12497 nla_nest_end(msg, nl_rules);
12502 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
12504 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12505 struct sk_buff *msg;
12508 if (!rdev->wiphy.coalesce)
12509 return -EOPNOTSUPP;
12511 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12515 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12516 NL80211_CMD_GET_COALESCE);
12518 goto nla_put_failure;
12520 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
12521 goto nla_put_failure;
12523 genlmsg_end(msg, hdr);
12524 return genlmsg_reply(msg, info);
12531 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
12533 struct cfg80211_coalesce *coalesce = rdev->coalesce;
12535 struct cfg80211_coalesce_rules *rule;
12540 for (i = 0; i < coalesce->n_rules; i++) {
12541 rule = &coalesce->rules[i];
12542 for (j = 0; j < rule->n_patterns; j++)
12543 kfree(rule->patterns[j].mask);
12544 kfree(rule->patterns);
12546 kfree(coalesce->rules);
12548 rdev->coalesce = NULL;
12551 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
12552 struct nlattr *rule,
12553 struct cfg80211_coalesce_rules *new_rule)
12556 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12557 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
12558 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
12559 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12561 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
12562 rule, nl80211_coalesce_policy, NULL);
12566 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
12568 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
12569 if (new_rule->delay > coalesce->max_delay)
12572 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
12573 new_rule->condition =
12574 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
12576 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
12579 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12582 if (n_patterns > coalesce->n_patterns)
12585 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
12587 if (!new_rule->patterns)
12590 new_rule->n_patterns = n_patterns;
12593 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12597 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
12599 nl80211_packet_pattern_policy,
12604 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12605 !pat_tb[NL80211_PKTPAT_PATTERN])
12607 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12608 mask_len = DIV_ROUND_UP(pat_len, 8);
12609 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12611 if (pat_len > coalesce->pattern_max_len ||
12612 pat_len < coalesce->pattern_min_len)
12615 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12618 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
12619 if (pkt_offset > coalesce->max_pkt_offset)
12621 new_rule->patterns[i].pkt_offset = pkt_offset;
12623 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12627 new_rule->patterns[i].mask = mask_pat;
12628 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12631 mask_pat += mask_len;
12632 new_rule->patterns[i].pattern = mask_pat;
12633 new_rule->patterns[i].pattern_len = pat_len;
12634 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12642 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
12644 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12645 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12646 struct cfg80211_coalesce new_coalesce = {};
12647 struct cfg80211_coalesce *n_coalesce;
12648 int err, rem_rule, n_rules = 0, i, j;
12649 struct nlattr *rule;
12650 struct cfg80211_coalesce_rules *tmp_rule;
12652 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
12653 return -EOPNOTSUPP;
12655 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
12656 cfg80211_rdev_free_coalesce(rdev);
12657 rdev_set_coalesce(rdev, NULL);
12661 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12664 if (n_rules > coalesce->n_rules)
12667 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
12669 if (!new_coalesce.rules)
12672 new_coalesce.n_rules = n_rules;
12675 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12677 err = nl80211_parse_coalesce_rule(rdev, rule,
12678 &new_coalesce.rules[i]);
12685 err = rdev_set_coalesce(rdev, &new_coalesce);
12689 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12694 cfg80211_rdev_free_coalesce(rdev);
12695 rdev->coalesce = n_coalesce;
12699 for (i = 0; i < new_coalesce.n_rules; i++) {
12700 tmp_rule = &new_coalesce.rules[i];
12701 for (j = 0; j < tmp_rule->n_patterns; j++)
12702 kfree(tmp_rule->patterns[j].mask);
12703 kfree(tmp_rule->patterns);
12705 kfree(new_coalesce.rules);
12710 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12712 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12713 struct net_device *dev = info->user_ptr[1];
12714 struct wireless_dev *wdev = dev->ieee80211_ptr;
12715 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
12716 struct cfg80211_gtk_rekey_data rekey_data = {};
12719 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12722 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12723 info->attrs[NL80211_ATTR_REKEY_DATA],
12724 nl80211_rekey_policy, info->extack);
12728 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12729 !tb[NL80211_REKEY_DATA_KCK])
12731 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
12732 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12733 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
12735 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
12736 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12737 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN))
12740 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12741 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12742 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
12743 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
12744 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
12745 if (tb[NL80211_REKEY_DATA_AKM])
12746 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
12749 if (!wdev->current_bss) {
12754 if (!rdev->ops->set_rekey_data) {
12759 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
12765 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12766 struct genl_info *info)
12768 struct net_device *dev = info->user_ptr[1];
12769 struct wireless_dev *wdev = dev->ieee80211_ptr;
12771 if (wdev->iftype != NL80211_IFTYPE_AP &&
12772 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12775 if (wdev->ap_unexpected_nlportid)
12778 wdev->ap_unexpected_nlportid = info->snd_portid;
12782 static int nl80211_probe_client(struct sk_buff *skb,
12783 struct genl_info *info)
12785 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12786 struct net_device *dev = info->user_ptr[1];
12787 struct wireless_dev *wdev = dev->ieee80211_ptr;
12788 struct sk_buff *msg;
12794 if (wdev->iftype != NL80211_IFTYPE_AP &&
12795 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12796 return -EOPNOTSUPP;
12798 if (!info->attrs[NL80211_ATTR_MAC])
12801 if (!rdev->ops->probe_client)
12802 return -EOPNOTSUPP;
12804 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12808 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12809 NL80211_CMD_PROBE_CLIENT);
12815 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12817 err = rdev_probe_client(rdev, dev, addr, &cookie);
12821 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12823 goto nla_put_failure;
12825 genlmsg_end(msg, hdr);
12827 return genlmsg_reply(msg, info);
12836 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
12838 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12839 struct cfg80211_beacon_registration *reg, *nreg;
12842 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
12843 return -EOPNOTSUPP;
12845 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
12849 /* First, check if already registered. */
12850 spin_lock_bh(&rdev->beacon_registrations_lock);
12851 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
12852 if (reg->nlportid == info->snd_portid) {
12857 /* Add it to the list */
12858 nreg->nlportid = info->snd_portid;
12859 list_add(&nreg->list, &rdev->beacon_registrations);
12861 spin_unlock_bh(&rdev->beacon_registrations_lock);
12865 spin_unlock_bh(&rdev->beacon_registrations_lock);
12870 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
12872 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12873 struct wireless_dev *wdev = info->user_ptr[1];
12876 if (!rdev->ops->start_p2p_device)
12877 return -EOPNOTSUPP;
12879 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12880 return -EOPNOTSUPP;
12882 if (wdev_running(wdev))
12885 if (rfkill_blocked(rdev->rfkill))
12888 err = rdev_start_p2p_device(rdev, wdev);
12892 wdev->is_running = true;
12898 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
12900 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12901 struct wireless_dev *wdev = info->user_ptr[1];
12903 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12904 return -EOPNOTSUPP;
12906 if (!rdev->ops->stop_p2p_device)
12907 return -EOPNOTSUPP;
12909 cfg80211_stop_p2p_device(rdev, wdev);
12914 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
12916 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12917 struct wireless_dev *wdev = info->user_ptr[1];
12918 struct cfg80211_nan_conf conf = {};
12921 if (wdev->iftype != NL80211_IFTYPE_NAN)
12922 return -EOPNOTSUPP;
12924 if (wdev_running(wdev))
12927 if (rfkill_blocked(rdev->rfkill))
12930 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
12934 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12936 if (info->attrs[NL80211_ATTR_BANDS]) {
12937 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12939 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12940 return -EOPNOTSUPP;
12942 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12945 conf.bands = bands;
12948 err = rdev_start_nan(rdev, wdev, &conf);
12952 wdev->is_running = true;
12958 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12960 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12961 struct wireless_dev *wdev = info->user_ptr[1];
12963 if (wdev->iftype != NL80211_IFTYPE_NAN)
12964 return -EOPNOTSUPP;
12966 cfg80211_stop_nan(rdev, wdev);
12971 static int validate_nan_filter(struct nlattr *filter_attr)
12973 struct nlattr *attr;
12974 int len = 0, n_entries = 0, rem;
12976 nla_for_each_nested(attr, filter_attr, rem) {
12977 len += nla_len(attr);
12987 static int handle_nan_filter(struct nlattr *attr_filter,
12988 struct cfg80211_nan_func *func,
12991 struct nlattr *attr;
12992 int n_entries, rem, i;
12993 struct cfg80211_nan_func_filter *filter;
12995 n_entries = validate_nan_filter(attr_filter);
12999 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
13001 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
13006 nla_for_each_nested(attr, attr_filter, rem) {
13007 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
13008 filter[i].len = nla_len(attr);
13012 func->num_tx_filters = n_entries;
13013 func->tx_filters = filter;
13015 func->num_rx_filters = n_entries;
13016 func->rx_filters = filter;
13022 static int nl80211_nan_add_func(struct sk_buff *skb,
13023 struct genl_info *info)
13025 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13026 struct wireless_dev *wdev = info->user_ptr[1];
13027 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
13028 struct cfg80211_nan_func *func;
13029 struct sk_buff *msg = NULL;
13033 if (wdev->iftype != NL80211_IFTYPE_NAN)
13034 return -EOPNOTSUPP;
13036 if (!wdev_running(wdev))
13039 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
13042 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
13043 info->attrs[NL80211_ATTR_NAN_FUNC],
13044 nl80211_nan_func_policy,
13049 func = kzalloc(sizeof(*func), GFP_KERNEL);
13053 func->cookie = cfg80211_assign_cookie(rdev);
13055 if (!tb[NL80211_NAN_FUNC_TYPE]) {
13061 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
13063 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
13068 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
13069 sizeof(func->service_id));
13071 func->close_range =
13072 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
13074 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
13075 func->serv_spec_info_len =
13076 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
13077 func->serv_spec_info =
13078 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
13079 func->serv_spec_info_len,
13081 if (!func->serv_spec_info) {
13087 if (tb[NL80211_NAN_FUNC_TTL])
13088 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
13090 switch (func->type) {
13091 case NL80211_NAN_FUNC_PUBLISH:
13092 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
13097 func->publish_type =
13098 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
13099 func->publish_bcast =
13100 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
13102 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
13103 func->publish_bcast) {
13108 case NL80211_NAN_FUNC_SUBSCRIBE:
13109 func->subscribe_active =
13110 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
13112 case NL80211_NAN_FUNC_FOLLOW_UP:
13113 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
13114 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
13115 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
13120 func->followup_id =
13121 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
13122 func->followup_reqid =
13123 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
13124 memcpy(func->followup_dest.addr,
13125 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
13126 sizeof(func->followup_dest.addr));
13137 if (tb[NL80211_NAN_FUNC_SRF]) {
13138 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
13140 err = nla_parse_nested_deprecated(srf_tb,
13141 NL80211_NAN_SRF_ATTR_MAX,
13142 tb[NL80211_NAN_FUNC_SRF],
13143 nl80211_nan_srf_policy,
13148 func->srf_include =
13149 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
13151 if (srf_tb[NL80211_NAN_SRF_BF]) {
13152 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
13153 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
13159 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
13161 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
13162 func->srf_bf_len, GFP_KERNEL);
13163 if (!func->srf_bf) {
13169 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
13171 struct nlattr *attr, *mac_attr =
13172 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
13173 int n_entries, rem, i = 0;
13180 n_entries = validate_acl_mac_addrs(mac_attr);
13181 if (n_entries <= 0) {
13186 func->srf_num_macs = n_entries;
13188 kcalloc(n_entries, sizeof(*func->srf_macs),
13190 if (!func->srf_macs) {
13195 nla_for_each_nested(attr, mac_attr, rem)
13196 memcpy(func->srf_macs[i++].addr, nla_data(attr),
13197 sizeof(*func->srf_macs));
13201 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
13202 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
13208 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
13209 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
13215 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13221 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13222 NL80211_CMD_ADD_NAN_FUNCTION);
13223 /* This can't really happen - we just allocated 4KB */
13224 if (WARN_ON(!hdr)) {
13229 err = rdev_add_nan_func(rdev, wdev, func);
13232 cfg80211_free_nan_func(func);
13237 /* propagate the instance id and cookie to userspace */
13238 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
13240 goto nla_put_failure;
13242 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13244 goto nla_put_failure;
13246 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
13247 func->instance_id))
13248 goto nla_put_failure;
13250 nla_nest_end(msg, func_attr);
13252 genlmsg_end(msg, hdr);
13253 return genlmsg_reply(msg, info);
13260 static int nl80211_nan_del_func(struct sk_buff *skb,
13261 struct genl_info *info)
13263 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13264 struct wireless_dev *wdev = info->user_ptr[1];
13267 if (wdev->iftype != NL80211_IFTYPE_NAN)
13268 return -EOPNOTSUPP;
13270 if (!wdev_running(wdev))
13273 if (!info->attrs[NL80211_ATTR_COOKIE])
13276 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
13278 rdev_del_nan_func(rdev, wdev, cookie);
13283 static int nl80211_nan_change_config(struct sk_buff *skb,
13284 struct genl_info *info)
13286 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13287 struct wireless_dev *wdev = info->user_ptr[1];
13288 struct cfg80211_nan_conf conf = {};
13291 if (wdev->iftype != NL80211_IFTYPE_NAN)
13292 return -EOPNOTSUPP;
13294 if (!wdev_running(wdev))
13297 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
13299 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13300 if (conf.master_pref <= 1 || conf.master_pref == 255)
13303 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
13306 if (info->attrs[NL80211_ATTR_BANDS]) {
13307 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13309 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13310 return -EOPNOTSUPP;
13312 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13315 conf.bands = bands;
13316 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
13322 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
13325 void cfg80211_nan_match(struct wireless_dev *wdev,
13326 struct cfg80211_nan_match_params *match, gfp_t gfp)
13328 struct wiphy *wiphy = wdev->wiphy;
13329 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13330 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
13331 struct sk_buff *msg;
13334 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
13337 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13341 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
13347 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13348 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13349 wdev->netdev->ifindex)) ||
13350 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13352 goto nla_put_failure;
13354 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
13355 NL80211_ATTR_PAD) ||
13356 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
13357 goto nla_put_failure;
13359 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
13361 goto nla_put_failure;
13363 local_func_attr = nla_nest_start_noflag(msg,
13364 NL80211_NAN_MATCH_FUNC_LOCAL);
13365 if (!local_func_attr)
13366 goto nla_put_failure;
13368 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
13369 goto nla_put_failure;
13371 nla_nest_end(msg, local_func_attr);
13373 peer_func_attr = nla_nest_start_noflag(msg,
13374 NL80211_NAN_MATCH_FUNC_PEER);
13375 if (!peer_func_attr)
13376 goto nla_put_failure;
13378 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
13379 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
13380 goto nla_put_failure;
13382 if (match->info && match->info_len &&
13383 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
13385 goto nla_put_failure;
13387 nla_nest_end(msg, peer_func_attr);
13388 nla_nest_end(msg, match_attr);
13389 genlmsg_end(msg, hdr);
13391 if (!wdev->owner_nlportid)
13392 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13393 msg, 0, NL80211_MCGRP_NAN, gfp);
13395 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13396 wdev->owner_nlportid);
13403 EXPORT_SYMBOL(cfg80211_nan_match);
13405 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
13407 enum nl80211_nan_func_term_reason reason,
13408 u64 cookie, gfp_t gfp)
13410 struct wiphy *wiphy = wdev->wiphy;
13411 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13412 struct sk_buff *msg;
13413 struct nlattr *func_attr;
13416 if (WARN_ON(!inst_id))
13419 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13423 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
13429 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13430 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13431 wdev->netdev->ifindex)) ||
13432 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13434 goto nla_put_failure;
13436 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13438 goto nla_put_failure;
13440 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13442 goto nla_put_failure;
13444 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
13445 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
13446 goto nla_put_failure;
13448 nla_nest_end(msg, func_attr);
13449 genlmsg_end(msg, hdr);
13451 if (!wdev->owner_nlportid)
13452 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13453 msg, 0, NL80211_MCGRP_NAN, gfp);
13455 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13456 wdev->owner_nlportid);
13463 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
13465 static int nl80211_get_protocol_features(struct sk_buff *skb,
13466 struct genl_info *info)
13469 struct sk_buff *msg;
13471 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13475 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13476 NL80211_CMD_GET_PROTOCOL_FEATURES);
13478 goto nla_put_failure;
13480 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
13481 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
13482 goto nla_put_failure;
13484 genlmsg_end(msg, hdr);
13485 return genlmsg_reply(msg, info);
13492 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
13494 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13495 struct cfg80211_update_ft_ies_params ft_params;
13496 struct net_device *dev = info->user_ptr[1];
13498 if (!rdev->ops->update_ft_ies)
13499 return -EOPNOTSUPP;
13501 if (!info->attrs[NL80211_ATTR_MDID] ||
13502 !info->attrs[NL80211_ATTR_IE])
13505 memset(&ft_params, 0, sizeof(ft_params));
13506 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
13507 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13508 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13510 return rdev_update_ft_ies(rdev, dev, &ft_params);
13513 static int nl80211_crit_protocol_start(struct sk_buff *skb,
13514 struct genl_info *info)
13516 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13517 struct wireless_dev *wdev = info->user_ptr[1];
13518 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
13522 if (!rdev->ops->crit_proto_start)
13523 return -EOPNOTSUPP;
13525 if (WARN_ON(!rdev->ops->crit_proto_stop))
13528 if (rdev->crit_proto_nlportid)
13531 /* determine protocol if provided */
13532 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
13533 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
13535 if (proto >= NUM_NL80211_CRIT_PROTO)
13538 /* timeout must be provided */
13539 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
13543 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
13545 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
13547 rdev->crit_proto_nlportid = info->snd_portid;
13552 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
13553 struct genl_info *info)
13555 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13556 struct wireless_dev *wdev = info->user_ptr[1];
13558 if (!rdev->ops->crit_proto_stop)
13559 return -EOPNOTSUPP;
13561 if (rdev->crit_proto_nlportid) {
13562 rdev->crit_proto_nlportid = 0;
13563 rdev_crit_proto_stop(rdev, wdev);
13568 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
13569 struct nlattr *attr,
13570 struct netlink_ext_ack *extack)
13572 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
13573 if (attr->nla_type & NLA_F_NESTED) {
13574 NL_SET_ERR_MSG_ATTR(extack, attr,
13575 "unexpected nested data");
13582 if (!(attr->nla_type & NLA_F_NESTED)) {
13583 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
13587 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
13590 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
13592 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13593 struct wireless_dev *wdev =
13594 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
13598 if (!rdev->wiphy.vendor_commands)
13599 return -EOPNOTSUPP;
13601 if (IS_ERR(wdev)) {
13602 err = PTR_ERR(wdev);
13603 if (err != -EINVAL)
13606 } else if (wdev->wiphy != &rdev->wiphy) {
13610 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
13611 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
13614 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
13615 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
13616 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
13617 const struct wiphy_vendor_command *vcmd;
13621 vcmd = &rdev->wiphy.vendor_commands[i];
13623 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13626 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13627 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13630 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13634 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13635 if (!wdev_running(wdev))
13643 return -EOPNOTSUPP;
13645 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
13646 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13647 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13649 err = nl80211_vendor_check_policy(vcmd,
13650 info->attrs[NL80211_ATTR_VENDOR_DATA],
13656 rdev->cur_cmd_info = info;
13657 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
13658 rdev->cur_cmd_info = NULL;
13662 return -EOPNOTSUPP;
13665 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
13666 struct netlink_callback *cb,
13667 struct cfg80211_registered_device **rdev,
13668 struct wireless_dev **wdev)
13670 struct nlattr **attrbuf;
13676 unsigned int data_len = 0;
13679 /* subtract the 1 again here */
13680 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
13681 struct wireless_dev *tmp;
13685 *rdev = wiphy_to_rdev(wiphy);
13689 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
13690 if (tmp->identifier == cb->args[1] - 1) {
13697 /* keep rtnl locked in successful case */
13701 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13705 err = nlmsg_parse_deprecated(cb->nlh,
13706 GENL_HDRLEN + nl80211_fam.hdrsize,
13707 attrbuf, nl80211_fam.maxattr,
13708 nl80211_policy, NULL);
13712 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
13713 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13718 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
13722 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
13723 if (IS_ERR(*rdev)) {
13724 err = PTR_ERR(*rdev);
13728 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13729 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
13731 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13732 const struct wiphy_vendor_command *vcmd;
13734 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13736 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13739 if (!vcmd->dumpit) {
13748 if (vcmd_idx < 0) {
13753 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13754 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13755 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13757 err = nl80211_vendor_check_policy(
13758 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13759 attrbuf[NL80211_ATTR_VENDOR_DATA],
13765 /* 0 is the first index - add 1 to parse only once */
13766 cb->args[0] = (*rdev)->wiphy_idx + 1;
13767 /* add 1 to know if it was NULL */
13768 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13769 cb->args[2] = vcmd_idx;
13770 cb->args[3] = (unsigned long)data;
13771 cb->args[4] = data_len;
13773 /* keep rtnl locked in successful case */
13780 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13781 struct netlink_callback *cb)
13783 struct cfg80211_registered_device *rdev;
13784 struct wireless_dev *wdev;
13785 unsigned int vcmd_idx;
13786 const struct wiphy_vendor_command *vcmd;
13790 struct nlattr *vendor_data;
13793 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13797 vcmd_idx = cb->args[2];
13798 data = (void *)cb->args[3];
13799 data_len = cb->args[4];
13800 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13802 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13803 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13808 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13814 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13815 if (!wdev_running(wdev)) {
13823 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13824 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13825 NL80211_CMD_VENDOR);
13829 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13830 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13832 NL80211_ATTR_PAD))) {
13833 genlmsg_cancel(skb, hdr);
13837 vendor_data = nla_nest_start_noflag(skb,
13838 NL80211_ATTR_VENDOR_DATA);
13839 if (!vendor_data) {
13840 genlmsg_cancel(skb, hdr);
13844 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
13845 (unsigned long *)&cb->args[5]);
13846 nla_nest_end(skb, vendor_data);
13848 if (err == -ENOBUFS || err == -ENOENT) {
13849 genlmsg_cancel(skb, hdr);
13851 } else if (err <= 0) {
13852 genlmsg_cancel(skb, hdr);
13856 genlmsg_end(skb, hdr);
13865 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
13866 enum nl80211_commands cmd,
13867 enum nl80211_attrs attr,
13870 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13872 if (WARN_ON(!rdev->cur_cmd_info))
13875 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
13876 rdev->cur_cmd_info->snd_portid,
13877 rdev->cur_cmd_info->snd_seq,
13878 cmd, attr, NULL, GFP_KERNEL);
13880 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
13882 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
13884 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
13885 void *hdr = ((void **)skb->cb)[1];
13886 struct nlattr *data = ((void **)skb->cb)[2];
13888 /* clear CB data for netlink core to own from now on */
13889 memset(skb->cb, 0, sizeof(skb->cb));
13891 if (WARN_ON(!rdev->cur_cmd_info)) {
13896 nla_nest_end(skb, data);
13897 genlmsg_end(skb, hdr);
13898 return genlmsg_reply(skb, rdev->cur_cmd_info);
13900 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
13902 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
13904 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13906 if (WARN_ON(!rdev->cur_cmd_info))
13909 return rdev->cur_cmd_info->snd_portid;
13911 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
13913 static int nl80211_set_qos_map(struct sk_buff *skb,
13914 struct genl_info *info)
13916 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13917 struct cfg80211_qos_map *qos_map = NULL;
13918 struct net_device *dev = info->user_ptr[1];
13919 u8 *pos, len, num_des, des_len, des;
13922 if (!rdev->ops->set_qos_map)
13923 return -EOPNOTSUPP;
13925 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
13926 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
13927 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
13932 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
13936 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
13938 des_len = num_des *
13939 sizeof(struct cfg80211_dscp_exception);
13940 memcpy(qos_map->dscp_exception, pos, des_len);
13941 qos_map->num_des = num_des;
13942 for (des = 0; des < num_des; des++) {
13943 if (qos_map->dscp_exception[des].up > 7) {
13950 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
13953 wdev_lock(dev->ieee80211_ptr);
13954 ret = nl80211_key_allowed(dev->ieee80211_ptr);
13956 ret = rdev_set_qos_map(rdev, dev, qos_map);
13957 wdev_unlock(dev->ieee80211_ptr);
13963 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
13965 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13966 struct net_device *dev = info->user_ptr[1];
13967 struct wireless_dev *wdev = dev->ieee80211_ptr;
13970 u16 admitted_time = 0;
13973 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
13974 return -EOPNOTSUPP;
13976 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
13977 !info->attrs[NL80211_ATTR_USER_PRIO])
13980 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13981 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
13983 /* WMM uses TIDs 0-7 even for TSPEC */
13984 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
13985 /* TODO: handle 802.11 TSPEC/admission control
13986 * need more attributes for that (e.g. BA session requirement);
13987 * change the WMM adminssion test above to allow both then
13992 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13994 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13996 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13997 if (!admitted_time)
14002 switch (wdev->iftype) {
14003 case NL80211_IFTYPE_STATION:
14004 case NL80211_IFTYPE_P2P_CLIENT:
14005 if (wdev->current_bss)
14014 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
14021 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
14023 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14024 struct net_device *dev = info->user_ptr[1];
14025 struct wireless_dev *wdev = dev->ieee80211_ptr;
14030 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
14033 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14034 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14037 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
14043 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
14044 struct genl_info *info)
14046 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14047 struct net_device *dev = info->user_ptr[1];
14048 struct wireless_dev *wdev = dev->ieee80211_ptr;
14049 struct cfg80211_chan_def chandef = {};
14054 if (!rdev->ops->tdls_channel_switch ||
14055 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14056 return -EOPNOTSUPP;
14058 switch (dev->ieee80211_ptr->iftype) {
14059 case NL80211_IFTYPE_STATION:
14060 case NL80211_IFTYPE_P2P_CLIENT:
14063 return -EOPNOTSUPP;
14066 if (!info->attrs[NL80211_ATTR_MAC] ||
14067 !info->attrs[NL80211_ATTR_OPER_CLASS])
14070 err = nl80211_parse_chandef(rdev, info, &chandef);
14075 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
14076 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
14077 * specification is not defined for them.
14079 if (chandef.chan->band == NL80211_BAND_2GHZ &&
14080 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
14081 chandef.width != NL80211_CHAN_WIDTH_20)
14084 /* we will be active on the TDLS link */
14085 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
14089 /* don't allow switching to DFS channels */
14090 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
14093 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14094 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
14097 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
14103 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
14104 struct genl_info *info)
14106 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14107 struct net_device *dev = info->user_ptr[1];
14108 struct wireless_dev *wdev = dev->ieee80211_ptr;
14111 if (!rdev->ops->tdls_channel_switch ||
14112 !rdev->ops->tdls_cancel_channel_switch ||
14113 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14114 return -EOPNOTSUPP;
14116 switch (dev->ieee80211_ptr->iftype) {
14117 case NL80211_IFTYPE_STATION:
14118 case NL80211_IFTYPE_P2P_CLIENT:
14121 return -EOPNOTSUPP;
14124 if (!info->attrs[NL80211_ATTR_MAC])
14127 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14130 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
14136 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
14137 struct genl_info *info)
14139 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14140 struct net_device *dev = info->user_ptr[1];
14141 struct wireless_dev *wdev = dev->ieee80211_ptr;
14142 const struct nlattr *nla;
14145 if (!rdev->ops->set_multicast_to_unicast)
14146 return -EOPNOTSUPP;
14148 if (wdev->iftype != NL80211_IFTYPE_AP &&
14149 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14150 return -EOPNOTSUPP;
14152 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
14153 enabled = nla_get_flag(nla);
14155 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
14158 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
14160 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14161 struct net_device *dev = info->user_ptr[1];
14162 struct wireless_dev *wdev = dev->ieee80211_ptr;
14163 struct cfg80211_pmk_conf pmk_conf = {};
14166 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14167 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14168 return -EOPNOTSUPP;
14170 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14171 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14172 return -EOPNOTSUPP;
14174 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
14178 if (!wdev->current_bss) {
14183 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14184 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
14189 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
14190 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
14191 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
14192 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
14197 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
14198 pmk_conf.pmk_r0_name =
14199 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
14201 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
14207 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
14209 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14210 struct net_device *dev = info->user_ptr[1];
14211 struct wireless_dev *wdev = dev->ieee80211_ptr;
14215 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14216 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14217 return -EOPNOTSUPP;
14219 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14220 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14221 return -EOPNOTSUPP;
14223 if (!info->attrs[NL80211_ATTR_MAC])
14227 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14228 ret = rdev_del_pmk(rdev, dev, aa);
14234 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
14236 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14237 struct net_device *dev = info->user_ptr[1];
14238 struct cfg80211_external_auth_params params;
14240 if (!rdev->ops->external_auth)
14241 return -EOPNOTSUPP;
14243 if (!info->attrs[NL80211_ATTR_SSID] &&
14244 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
14245 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
14248 if (!info->attrs[NL80211_ATTR_BSSID])
14251 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
14254 memset(¶ms, 0, sizeof(params));
14256 if (info->attrs[NL80211_ATTR_SSID]) {
14257 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
14258 if (params.ssid.ssid_len == 0)
14260 memcpy(params.ssid.ssid,
14261 nla_data(info->attrs[NL80211_ATTR_SSID]),
14262 params.ssid.ssid_len);
14265 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
14268 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14270 if (info->attrs[NL80211_ATTR_PMKID])
14271 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
14273 return rdev_external_auth(rdev, dev, ¶ms);
14276 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
14278 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
14279 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14280 struct net_device *dev = info->user_ptr[1];
14281 struct wireless_dev *wdev = dev->ieee80211_ptr;
14290 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14291 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
14292 return -EOPNOTSUPP;
14294 if (!rdev->ops->tx_control_port)
14295 return -EOPNOTSUPP;
14297 if (!info->attrs[NL80211_ATTR_FRAME] ||
14298 !info->attrs[NL80211_ATTR_MAC] ||
14299 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
14300 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
14306 switch (wdev->iftype) {
14307 case NL80211_IFTYPE_AP:
14308 case NL80211_IFTYPE_P2P_GO:
14309 case NL80211_IFTYPE_MESH_POINT:
14311 case NL80211_IFTYPE_ADHOC:
14312 case NL80211_IFTYPE_STATION:
14313 case NL80211_IFTYPE_P2P_CLIENT:
14314 if (wdev->current_bss)
14325 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14326 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14327 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14328 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
14330 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
14332 err = rdev_tx_control_port(rdev, dev, buf, len,
14333 dest, cpu_to_be16(proto), noencrypt,
14334 dont_wait_for_ack ? NULL : &cookie);
14335 if (!err && !dont_wait_for_ack)
14336 nl_set_extack_cookie_u64(info->extack, cookie);
14343 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
14344 struct genl_info *info)
14346 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14347 struct net_device *dev = info->user_ptr[1];
14348 struct wireless_dev *wdev = dev->ieee80211_ptr;
14349 struct cfg80211_ftm_responder_stats ftm_stats = {};
14350 struct sk_buff *msg;
14352 struct nlattr *ftm_stats_attr;
14355 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
14356 return -EOPNOTSUPP;
14358 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
14362 if (!ftm_stats.filled)
14365 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14369 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14370 NL80211_CMD_GET_FTM_RESPONDER_STATS);
14372 goto nla_put_failure;
14374 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
14375 goto nla_put_failure;
14377 ftm_stats_attr = nla_nest_start_noflag(msg,
14378 NL80211_ATTR_FTM_RESPONDER_STATS);
14379 if (!ftm_stats_attr)
14380 goto nla_put_failure;
14382 #define SET_FTM(field, name, type) \
14383 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14384 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
14385 ftm_stats.field)) \
14386 goto nla_put_failure; } while (0)
14387 #define SET_FTM_U64(field, name) \
14388 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14389 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
14390 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
14391 goto nla_put_failure; } while (0)
14393 SET_FTM(success_num, SUCCESS_NUM, u32);
14394 SET_FTM(partial_num, PARTIAL_NUM, u32);
14395 SET_FTM(failed_num, FAILED_NUM, u32);
14396 SET_FTM(asap_num, ASAP_NUM, u32);
14397 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
14398 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
14399 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
14400 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
14401 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
14404 nla_nest_end(msg, ftm_stats_attr);
14406 genlmsg_end(msg, hdr);
14407 return genlmsg_reply(msg, info);
14414 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
14416 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14417 struct cfg80211_update_owe_info owe_info;
14418 struct net_device *dev = info->user_ptr[1];
14420 if (!rdev->ops->update_owe_info)
14421 return -EOPNOTSUPP;
14423 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
14424 !info->attrs[NL80211_ATTR_MAC])
14427 memset(&owe_info, 0, sizeof(owe_info));
14428 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14429 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
14431 if (info->attrs[NL80211_ATTR_IE]) {
14432 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14433 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14436 return rdev_update_owe_info(rdev, dev, &owe_info);
14439 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
14441 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14442 struct net_device *dev = info->user_ptr[1];
14443 struct wireless_dev *wdev = dev->ieee80211_ptr;
14444 struct station_info sinfo = {};
14450 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
14451 return -EOPNOTSUPP;
14453 if (!info->attrs[NL80211_ATTR_MAC] ||
14454 !info->attrs[NL80211_ATTR_FRAME]) {
14455 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
14459 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
14460 return -EOPNOTSUPP;
14462 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14463 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14464 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14466 if (len < sizeof(struct ethhdr))
14469 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
14470 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
14473 err = rdev_get_station(rdev, dev, dest, &sinfo);
14477 cfg80211_sinfo_release_content(&sinfo);
14479 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
14482 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
14483 struct nlattr *attrs[], struct net_device *dev,
14484 struct cfg80211_tid_cfg *tid_conf,
14485 struct genl_info *info, const u8 *peer)
14487 struct netlink_ext_ack *extack = info->extack;
14491 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
14494 tid_conf->config_override =
14495 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
14496 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
14498 if (tid_conf->config_override) {
14499 if (rdev->ops->reset_tid_config) {
14500 err = rdev_reset_tid_config(rdev, dev, peer,
14509 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
14510 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
14512 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
14515 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
14516 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
14517 tid_conf->retry_short =
14518 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
14520 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
14524 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
14525 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
14526 tid_conf->retry_long =
14527 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
14529 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
14533 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
14534 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
14536 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
14539 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
14540 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
14542 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
14545 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
14546 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
14548 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
14551 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
14552 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
14554 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
14556 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
14557 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
14558 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
14559 &tid_conf->txrate_mask, dev,
14564 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
14566 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
14570 mask = rdev->wiphy.tid_config_support.peer;
14572 mask = rdev->wiphy.tid_config_support.vif;
14574 if (tid_conf->mask & ~mask) {
14575 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
14582 static int nl80211_set_tid_config(struct sk_buff *skb,
14583 struct genl_info *info)
14585 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14586 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
14587 struct net_device *dev = info->user_ptr[1];
14588 struct cfg80211_tid_config *tid_config;
14589 struct nlattr *tid;
14590 int conf_idx = 0, rem_conf;
14594 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
14597 if (!rdev->ops->set_tid_config)
14598 return -EOPNOTSUPP;
14600 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14604 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
14609 tid_config->n_tid_conf = num_conf;
14611 if (info->attrs[NL80211_ATTR_MAC])
14612 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14614 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14616 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
14622 ret = parse_tid_conf(rdev, attrs, dev,
14623 &tid_config->tid_conf[conf_idx],
14624 info, tid_config->peer);
14631 ret = rdev_set_tid_config(rdev, dev, tid_config);
14638 #define NL80211_FLAG_NEED_WIPHY 0x01
14639 #define NL80211_FLAG_NEED_NETDEV 0x02
14640 #define NL80211_FLAG_NEED_RTNL 0x04
14641 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
14642 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
14643 NL80211_FLAG_CHECK_NETDEV_UP)
14644 #define NL80211_FLAG_NEED_WDEV 0x10
14645 /* If a netdev is associated, it must be UP, P2P must be started */
14646 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
14647 NL80211_FLAG_CHECK_NETDEV_UP)
14648 #define NL80211_FLAG_CLEAR_SKB 0x20
14650 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
14651 struct genl_info *info)
14653 struct cfg80211_registered_device *rdev;
14654 struct wireless_dev *wdev;
14655 struct net_device *dev;
14656 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
14661 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
14662 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
14663 if (IS_ERR(rdev)) {
14666 return PTR_ERR(rdev);
14668 info->user_ptr[0] = rdev;
14669 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
14670 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14673 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
14675 if (IS_ERR(wdev)) {
14678 return PTR_ERR(wdev);
14681 dev = wdev->netdev;
14682 rdev = wiphy_to_rdev(wdev->wiphy);
14684 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
14691 info->user_ptr[1] = dev;
14693 info->user_ptr[1] = wdev;
14696 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
14697 !wdev_running(wdev)) {
14706 info->user_ptr[0] = rdev;
14712 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
14713 struct genl_info *info)
14715 if (info->user_ptr[1]) {
14716 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14717 struct wireless_dev *wdev = info->user_ptr[1];
14720 dev_put(wdev->netdev);
14722 dev_put(info->user_ptr[1]);
14726 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
14729 /* If needed, clear the netlink message payload from the SKB
14730 * as it might contain key data that shouldn't stick around on
14731 * the heap after the SKB is freed. The netlink message header
14732 * is still needed for further processing, so leave it intact.
14734 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
14735 struct nlmsghdr *nlh = nlmsg_hdr(skb);
14737 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
14741 static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
14742 struct cfg80211_sar_specs *sar_specs,
14743 struct nlattr *spec[], int index)
14745 u32 range_index, i;
14747 if (!sar_specs || !spec)
14750 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
14751 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
14754 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
14756 /* check if range_index exceeds num_freq_ranges */
14757 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
14760 /* check if range_index duplicates */
14761 for (i = 0; i < index; i++) {
14762 if (sar_specs->sub_specs[i].freq_range_index == range_index)
14766 sar_specs->sub_specs[index].power =
14767 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
14769 sar_specs->sub_specs[index].freq_range_index = range_index;
14774 static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
14776 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14777 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
14778 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
14779 struct cfg80211_sar_specs *sar_spec;
14780 enum nl80211_sar_type type;
14781 struct nlattr *spec_list;
14785 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
14786 return -EOPNOTSUPP;
14788 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
14791 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
14792 info->attrs[NL80211_ATTR_SAR_SPEC],
14795 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
14798 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
14799 if (type != rdev->wiphy.sar_capa->type)
14803 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
14806 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
14809 sar_spec = kzalloc(sizeof(*sar_spec) +
14810 specs * sizeof(struct cfg80211_sar_sub_specs),
14815 sar_spec->type = type;
14817 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
14818 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
14819 spec_list, NULL, NULL);
14822 case NL80211_SAR_TYPE_POWER:
14823 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
14836 sar_spec->num_sub_specs = specs;
14838 rdev->cur_cmd_info = info;
14839 err = rdev_set_sar_specs(rdev, sar_spec);
14840 rdev->cur_cmd_info = NULL;
14846 static const struct genl_ops nl80211_ops[] = {
14848 .cmd = NL80211_CMD_GET_WIPHY,
14849 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14850 .doit = nl80211_get_wiphy,
14851 .dumpit = nl80211_dump_wiphy,
14852 .done = nl80211_dump_wiphy_done,
14853 /* can be retrieved by unprivileged users */
14854 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14855 NL80211_FLAG_NEED_RTNL,
14859 static const struct genl_small_ops nl80211_small_ops[] = {
14861 .cmd = NL80211_CMD_SET_WIPHY,
14862 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14863 .doit = nl80211_set_wiphy,
14864 .flags = GENL_UNS_ADMIN_PERM,
14865 .internal_flags = NL80211_FLAG_NEED_RTNL,
14868 .cmd = NL80211_CMD_GET_INTERFACE,
14869 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14870 .doit = nl80211_get_interface,
14871 .dumpit = nl80211_dump_interface,
14872 /* can be retrieved by unprivileged users */
14873 .internal_flags = NL80211_FLAG_NEED_WDEV |
14874 NL80211_FLAG_NEED_RTNL,
14877 .cmd = NL80211_CMD_SET_INTERFACE,
14878 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14879 .doit = nl80211_set_interface,
14880 .flags = GENL_UNS_ADMIN_PERM,
14881 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14882 NL80211_FLAG_NEED_RTNL,
14885 .cmd = NL80211_CMD_NEW_INTERFACE,
14886 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14887 .doit = nl80211_new_interface,
14888 .flags = GENL_UNS_ADMIN_PERM,
14889 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14890 NL80211_FLAG_NEED_RTNL,
14893 .cmd = NL80211_CMD_DEL_INTERFACE,
14894 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14895 .doit = nl80211_del_interface,
14896 .flags = GENL_UNS_ADMIN_PERM,
14897 .internal_flags = NL80211_FLAG_NEED_WDEV |
14898 NL80211_FLAG_NEED_RTNL,
14901 .cmd = NL80211_CMD_GET_KEY,
14902 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14903 .doit = nl80211_get_key,
14904 .flags = GENL_UNS_ADMIN_PERM,
14905 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14906 NL80211_FLAG_NEED_RTNL,
14909 .cmd = NL80211_CMD_SET_KEY,
14910 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14911 .doit = nl80211_set_key,
14912 .flags = GENL_UNS_ADMIN_PERM,
14913 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14914 NL80211_FLAG_NEED_RTNL |
14915 NL80211_FLAG_CLEAR_SKB,
14918 .cmd = NL80211_CMD_NEW_KEY,
14919 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14920 .doit = nl80211_new_key,
14921 .flags = GENL_UNS_ADMIN_PERM,
14922 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14923 NL80211_FLAG_NEED_RTNL |
14924 NL80211_FLAG_CLEAR_SKB,
14927 .cmd = NL80211_CMD_DEL_KEY,
14928 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14929 .doit = nl80211_del_key,
14930 .flags = GENL_UNS_ADMIN_PERM,
14931 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14932 NL80211_FLAG_NEED_RTNL,
14935 .cmd = NL80211_CMD_SET_BEACON,
14936 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14937 .flags = GENL_UNS_ADMIN_PERM,
14938 .doit = nl80211_set_beacon,
14939 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14940 NL80211_FLAG_NEED_RTNL,
14943 .cmd = NL80211_CMD_START_AP,
14944 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14945 .flags = GENL_UNS_ADMIN_PERM,
14946 .doit = nl80211_start_ap,
14947 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14948 NL80211_FLAG_NEED_RTNL,
14951 .cmd = NL80211_CMD_STOP_AP,
14952 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14953 .flags = GENL_UNS_ADMIN_PERM,
14954 .doit = nl80211_stop_ap,
14955 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14956 NL80211_FLAG_NEED_RTNL,
14959 .cmd = NL80211_CMD_GET_STATION,
14960 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14961 .doit = nl80211_get_station,
14962 .dumpit = nl80211_dump_station,
14963 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14964 NL80211_FLAG_NEED_RTNL,
14967 .cmd = NL80211_CMD_SET_STATION,
14968 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14969 .doit = nl80211_set_station,
14970 .flags = GENL_UNS_ADMIN_PERM,
14971 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14972 NL80211_FLAG_NEED_RTNL,
14975 .cmd = NL80211_CMD_NEW_STATION,
14976 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14977 .doit = nl80211_new_station,
14978 .flags = GENL_UNS_ADMIN_PERM,
14979 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14980 NL80211_FLAG_NEED_RTNL,
14983 .cmd = NL80211_CMD_DEL_STATION,
14984 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14985 .doit = nl80211_del_station,
14986 .flags = GENL_UNS_ADMIN_PERM,
14987 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14988 NL80211_FLAG_NEED_RTNL,
14991 .cmd = NL80211_CMD_GET_MPATH,
14992 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14993 .doit = nl80211_get_mpath,
14994 .dumpit = nl80211_dump_mpath,
14995 .flags = GENL_UNS_ADMIN_PERM,
14996 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14997 NL80211_FLAG_NEED_RTNL,
15000 .cmd = NL80211_CMD_GET_MPP,
15001 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15002 .doit = nl80211_get_mpp,
15003 .dumpit = nl80211_dump_mpp,
15004 .flags = GENL_UNS_ADMIN_PERM,
15005 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15006 NL80211_FLAG_NEED_RTNL,
15009 .cmd = NL80211_CMD_SET_MPATH,
15010 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15011 .doit = nl80211_set_mpath,
15012 .flags = GENL_UNS_ADMIN_PERM,
15013 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15014 NL80211_FLAG_NEED_RTNL,
15017 .cmd = NL80211_CMD_NEW_MPATH,
15018 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15019 .doit = nl80211_new_mpath,
15020 .flags = GENL_UNS_ADMIN_PERM,
15021 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15022 NL80211_FLAG_NEED_RTNL,
15025 .cmd = NL80211_CMD_DEL_MPATH,
15026 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15027 .doit = nl80211_del_mpath,
15028 .flags = GENL_UNS_ADMIN_PERM,
15029 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15030 NL80211_FLAG_NEED_RTNL,
15033 .cmd = NL80211_CMD_SET_BSS,
15034 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15035 .doit = nl80211_set_bss,
15036 .flags = GENL_UNS_ADMIN_PERM,
15037 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15038 NL80211_FLAG_NEED_RTNL,
15041 .cmd = NL80211_CMD_GET_REG,
15042 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15043 .doit = nl80211_get_reg_do,
15044 .dumpit = nl80211_get_reg_dump,
15045 .internal_flags = NL80211_FLAG_NEED_RTNL,
15046 /* can be retrieved by unprivileged users */
15048 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
15050 .cmd = NL80211_CMD_SET_REG,
15051 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15052 .doit = nl80211_set_reg,
15053 .flags = GENL_ADMIN_PERM,
15054 .internal_flags = NL80211_FLAG_NEED_RTNL,
15058 .cmd = NL80211_CMD_REQ_SET_REG,
15059 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15060 .doit = nl80211_req_set_reg,
15061 .flags = GENL_ADMIN_PERM,
15064 .cmd = NL80211_CMD_RELOAD_REGDB,
15065 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15066 .doit = nl80211_reload_regdb,
15067 .flags = GENL_ADMIN_PERM,
15070 .cmd = NL80211_CMD_GET_MESH_CONFIG,
15071 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15072 .doit = nl80211_get_mesh_config,
15073 /* can be retrieved by unprivileged users */
15074 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15075 NL80211_FLAG_NEED_RTNL,
15078 .cmd = NL80211_CMD_SET_MESH_CONFIG,
15079 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15080 .doit = nl80211_update_mesh_config,
15081 .flags = GENL_UNS_ADMIN_PERM,
15082 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15083 NL80211_FLAG_NEED_RTNL,
15086 .cmd = NL80211_CMD_TRIGGER_SCAN,
15087 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15088 .doit = nl80211_trigger_scan,
15089 .flags = GENL_UNS_ADMIN_PERM,
15090 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15091 NL80211_FLAG_NEED_RTNL,
15094 .cmd = NL80211_CMD_ABORT_SCAN,
15095 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15096 .doit = nl80211_abort_scan,
15097 .flags = GENL_UNS_ADMIN_PERM,
15098 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15099 NL80211_FLAG_NEED_RTNL,
15102 .cmd = NL80211_CMD_GET_SCAN,
15103 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15104 .dumpit = nl80211_dump_scan,
15107 .cmd = NL80211_CMD_START_SCHED_SCAN,
15108 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15109 .doit = nl80211_start_sched_scan,
15110 .flags = GENL_UNS_ADMIN_PERM,
15111 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15112 NL80211_FLAG_NEED_RTNL,
15115 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
15116 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15117 .doit = nl80211_stop_sched_scan,
15118 .flags = GENL_UNS_ADMIN_PERM,
15119 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15120 NL80211_FLAG_NEED_RTNL,
15123 .cmd = NL80211_CMD_AUTHENTICATE,
15124 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15125 .doit = nl80211_authenticate,
15126 .flags = GENL_UNS_ADMIN_PERM,
15127 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15128 NL80211_FLAG_NEED_RTNL |
15129 NL80211_FLAG_CLEAR_SKB,
15132 .cmd = NL80211_CMD_ASSOCIATE,
15133 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15134 .doit = nl80211_associate,
15135 .flags = GENL_UNS_ADMIN_PERM,
15136 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15137 NL80211_FLAG_NEED_RTNL |
15138 NL80211_FLAG_CLEAR_SKB,
15141 .cmd = NL80211_CMD_DEAUTHENTICATE,
15142 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15143 .doit = nl80211_deauthenticate,
15144 .flags = GENL_UNS_ADMIN_PERM,
15145 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15146 NL80211_FLAG_NEED_RTNL,
15149 .cmd = NL80211_CMD_DISASSOCIATE,
15150 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15151 .doit = nl80211_disassociate,
15152 .flags = GENL_UNS_ADMIN_PERM,
15153 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15154 NL80211_FLAG_NEED_RTNL,
15157 .cmd = NL80211_CMD_JOIN_IBSS,
15158 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15159 .doit = nl80211_join_ibss,
15160 .flags = GENL_UNS_ADMIN_PERM,
15161 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15162 NL80211_FLAG_NEED_RTNL,
15165 .cmd = NL80211_CMD_LEAVE_IBSS,
15166 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15167 .doit = nl80211_leave_ibss,
15168 .flags = GENL_UNS_ADMIN_PERM,
15169 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15170 NL80211_FLAG_NEED_RTNL,
15172 #ifdef CONFIG_NL80211_TESTMODE
15174 .cmd = NL80211_CMD_TESTMODE,
15175 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15176 .doit = nl80211_testmode_do,
15177 .dumpit = nl80211_testmode_dump,
15178 .flags = GENL_UNS_ADMIN_PERM,
15179 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15180 NL80211_FLAG_NEED_RTNL,
15184 .cmd = NL80211_CMD_CONNECT,
15185 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15186 .doit = nl80211_connect,
15187 .flags = GENL_UNS_ADMIN_PERM,
15188 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15189 NL80211_FLAG_NEED_RTNL |
15190 NL80211_FLAG_CLEAR_SKB,
15193 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
15194 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15195 .doit = nl80211_update_connect_params,
15196 .flags = GENL_ADMIN_PERM,
15197 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15198 NL80211_FLAG_NEED_RTNL |
15199 NL80211_FLAG_CLEAR_SKB,
15202 .cmd = NL80211_CMD_DISCONNECT,
15203 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15204 .doit = nl80211_disconnect,
15205 .flags = GENL_UNS_ADMIN_PERM,
15206 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15207 NL80211_FLAG_NEED_RTNL,
15210 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
15211 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15212 .doit = nl80211_wiphy_netns,
15213 .flags = GENL_UNS_ADMIN_PERM,
15214 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15215 NL80211_FLAG_NEED_RTNL,
15218 .cmd = NL80211_CMD_GET_SURVEY,
15219 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15220 .dumpit = nl80211_dump_survey,
15223 .cmd = NL80211_CMD_SET_PMKSA,
15224 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15225 .doit = nl80211_setdel_pmksa,
15226 .flags = GENL_UNS_ADMIN_PERM,
15227 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15228 NL80211_FLAG_NEED_RTNL |
15229 NL80211_FLAG_CLEAR_SKB,
15232 .cmd = NL80211_CMD_DEL_PMKSA,
15233 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15234 .doit = nl80211_setdel_pmksa,
15235 .flags = GENL_UNS_ADMIN_PERM,
15236 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15237 NL80211_FLAG_NEED_RTNL,
15240 .cmd = NL80211_CMD_FLUSH_PMKSA,
15241 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15242 .doit = nl80211_flush_pmksa,
15243 .flags = GENL_UNS_ADMIN_PERM,
15244 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15245 NL80211_FLAG_NEED_RTNL,
15248 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
15249 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15250 .doit = nl80211_remain_on_channel,
15251 .flags = GENL_UNS_ADMIN_PERM,
15252 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15253 NL80211_FLAG_NEED_RTNL,
15256 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15257 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15258 .doit = nl80211_cancel_remain_on_channel,
15259 .flags = GENL_UNS_ADMIN_PERM,
15260 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15261 NL80211_FLAG_NEED_RTNL,
15264 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
15265 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15266 .doit = nl80211_set_tx_bitrate_mask,
15267 .flags = GENL_UNS_ADMIN_PERM,
15268 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15269 NL80211_FLAG_NEED_RTNL,
15272 .cmd = NL80211_CMD_REGISTER_FRAME,
15273 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15274 .doit = nl80211_register_mgmt,
15275 .flags = GENL_UNS_ADMIN_PERM,
15276 .internal_flags = NL80211_FLAG_NEED_WDEV |
15277 NL80211_FLAG_NEED_RTNL,
15280 .cmd = NL80211_CMD_FRAME,
15281 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15282 .doit = nl80211_tx_mgmt,
15283 .flags = GENL_UNS_ADMIN_PERM,
15284 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15285 NL80211_FLAG_NEED_RTNL,
15288 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
15289 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15290 .doit = nl80211_tx_mgmt_cancel_wait,
15291 .flags = GENL_UNS_ADMIN_PERM,
15292 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15293 NL80211_FLAG_NEED_RTNL,
15296 .cmd = NL80211_CMD_SET_POWER_SAVE,
15297 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15298 .doit = nl80211_set_power_save,
15299 .flags = GENL_UNS_ADMIN_PERM,
15300 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15301 NL80211_FLAG_NEED_RTNL,
15304 .cmd = NL80211_CMD_GET_POWER_SAVE,
15305 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15306 .doit = nl80211_get_power_save,
15307 /* can be retrieved by unprivileged users */
15308 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15309 NL80211_FLAG_NEED_RTNL,
15312 .cmd = NL80211_CMD_SET_CQM,
15313 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15314 .doit = nl80211_set_cqm,
15315 .flags = GENL_UNS_ADMIN_PERM,
15316 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15317 NL80211_FLAG_NEED_RTNL,
15320 .cmd = NL80211_CMD_SET_CHANNEL,
15321 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15322 .doit = nl80211_set_channel,
15323 .flags = GENL_UNS_ADMIN_PERM,
15324 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15325 NL80211_FLAG_NEED_RTNL,
15328 .cmd = NL80211_CMD_JOIN_MESH,
15329 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15330 .doit = nl80211_join_mesh,
15331 .flags = GENL_UNS_ADMIN_PERM,
15332 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15333 NL80211_FLAG_NEED_RTNL,
15336 .cmd = NL80211_CMD_LEAVE_MESH,
15337 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15338 .doit = nl80211_leave_mesh,
15339 .flags = GENL_UNS_ADMIN_PERM,
15340 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15341 NL80211_FLAG_NEED_RTNL,
15344 .cmd = NL80211_CMD_JOIN_OCB,
15345 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15346 .doit = nl80211_join_ocb,
15347 .flags = GENL_UNS_ADMIN_PERM,
15348 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15349 NL80211_FLAG_NEED_RTNL,
15352 .cmd = NL80211_CMD_LEAVE_OCB,
15353 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15354 .doit = nl80211_leave_ocb,
15355 .flags = GENL_UNS_ADMIN_PERM,
15356 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15357 NL80211_FLAG_NEED_RTNL,
15361 .cmd = NL80211_CMD_GET_WOWLAN,
15362 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15363 .doit = nl80211_get_wowlan,
15364 /* can be retrieved by unprivileged users */
15365 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15366 NL80211_FLAG_NEED_RTNL,
15369 .cmd = NL80211_CMD_SET_WOWLAN,
15370 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15371 .doit = nl80211_set_wowlan,
15372 .flags = GENL_UNS_ADMIN_PERM,
15373 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15374 NL80211_FLAG_NEED_RTNL,
15378 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
15379 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15380 .doit = nl80211_set_rekey_data,
15381 .flags = GENL_UNS_ADMIN_PERM,
15382 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15383 NL80211_FLAG_NEED_RTNL |
15384 NL80211_FLAG_CLEAR_SKB,
15387 .cmd = NL80211_CMD_TDLS_MGMT,
15388 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15389 .doit = nl80211_tdls_mgmt,
15390 .flags = GENL_UNS_ADMIN_PERM,
15391 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15392 NL80211_FLAG_NEED_RTNL,
15395 .cmd = NL80211_CMD_TDLS_OPER,
15396 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15397 .doit = nl80211_tdls_oper,
15398 .flags = GENL_UNS_ADMIN_PERM,
15399 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15400 NL80211_FLAG_NEED_RTNL,
15403 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
15404 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15405 .doit = nl80211_register_unexpected_frame,
15406 .flags = GENL_UNS_ADMIN_PERM,
15407 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15408 NL80211_FLAG_NEED_RTNL,
15411 .cmd = NL80211_CMD_PROBE_CLIENT,
15412 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15413 .doit = nl80211_probe_client,
15414 .flags = GENL_UNS_ADMIN_PERM,
15415 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15416 NL80211_FLAG_NEED_RTNL,
15419 .cmd = NL80211_CMD_REGISTER_BEACONS,
15420 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15421 .doit = nl80211_register_beacons,
15422 .flags = GENL_UNS_ADMIN_PERM,
15423 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15424 NL80211_FLAG_NEED_RTNL,
15427 .cmd = NL80211_CMD_SET_NOACK_MAP,
15428 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15429 .doit = nl80211_set_noack_map,
15430 .flags = GENL_UNS_ADMIN_PERM,
15431 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15432 NL80211_FLAG_NEED_RTNL,
15435 .cmd = NL80211_CMD_START_P2P_DEVICE,
15436 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15437 .doit = nl80211_start_p2p_device,
15438 .flags = GENL_UNS_ADMIN_PERM,
15439 .internal_flags = NL80211_FLAG_NEED_WDEV |
15440 NL80211_FLAG_NEED_RTNL,
15443 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
15444 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15445 .doit = nl80211_stop_p2p_device,
15446 .flags = GENL_UNS_ADMIN_PERM,
15447 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15448 NL80211_FLAG_NEED_RTNL,
15451 .cmd = NL80211_CMD_START_NAN,
15452 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15453 .doit = nl80211_start_nan,
15454 .flags = GENL_ADMIN_PERM,
15455 .internal_flags = NL80211_FLAG_NEED_WDEV |
15456 NL80211_FLAG_NEED_RTNL,
15459 .cmd = NL80211_CMD_STOP_NAN,
15460 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15461 .doit = nl80211_stop_nan,
15462 .flags = GENL_ADMIN_PERM,
15463 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15464 NL80211_FLAG_NEED_RTNL,
15467 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
15468 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15469 .doit = nl80211_nan_add_func,
15470 .flags = GENL_ADMIN_PERM,
15471 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15472 NL80211_FLAG_NEED_RTNL,
15475 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
15476 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15477 .doit = nl80211_nan_del_func,
15478 .flags = GENL_ADMIN_PERM,
15479 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15480 NL80211_FLAG_NEED_RTNL,
15483 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
15484 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15485 .doit = nl80211_nan_change_config,
15486 .flags = GENL_ADMIN_PERM,
15487 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15488 NL80211_FLAG_NEED_RTNL,
15491 .cmd = NL80211_CMD_SET_MCAST_RATE,
15492 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15493 .doit = nl80211_set_mcast_rate,
15494 .flags = GENL_UNS_ADMIN_PERM,
15495 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15496 NL80211_FLAG_NEED_RTNL,
15499 .cmd = NL80211_CMD_SET_MAC_ACL,
15500 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15501 .doit = nl80211_set_mac_acl,
15502 .flags = GENL_UNS_ADMIN_PERM,
15503 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15504 NL80211_FLAG_NEED_RTNL,
15507 .cmd = NL80211_CMD_RADAR_DETECT,
15508 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15509 .doit = nl80211_start_radar_detection,
15510 .flags = GENL_UNS_ADMIN_PERM,
15511 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15512 NL80211_FLAG_NEED_RTNL,
15515 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
15516 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15517 .doit = nl80211_get_protocol_features,
15520 .cmd = NL80211_CMD_UPDATE_FT_IES,
15521 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15522 .doit = nl80211_update_ft_ies,
15523 .flags = GENL_UNS_ADMIN_PERM,
15524 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15525 NL80211_FLAG_NEED_RTNL,
15528 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
15529 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15530 .doit = nl80211_crit_protocol_start,
15531 .flags = GENL_UNS_ADMIN_PERM,
15532 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15533 NL80211_FLAG_NEED_RTNL,
15536 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
15537 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15538 .doit = nl80211_crit_protocol_stop,
15539 .flags = GENL_UNS_ADMIN_PERM,
15540 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15541 NL80211_FLAG_NEED_RTNL,
15544 .cmd = NL80211_CMD_GET_COALESCE,
15545 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15546 .doit = nl80211_get_coalesce,
15547 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15548 NL80211_FLAG_NEED_RTNL,
15551 .cmd = NL80211_CMD_SET_COALESCE,
15552 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15553 .doit = nl80211_set_coalesce,
15554 .flags = GENL_UNS_ADMIN_PERM,
15555 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15556 NL80211_FLAG_NEED_RTNL,
15559 .cmd = NL80211_CMD_CHANNEL_SWITCH,
15560 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15561 .doit = nl80211_channel_switch,
15562 .flags = GENL_UNS_ADMIN_PERM,
15563 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15564 NL80211_FLAG_NEED_RTNL,
15567 .cmd = NL80211_CMD_VENDOR,
15568 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15569 .doit = nl80211_vendor_cmd,
15570 .dumpit = nl80211_vendor_cmd_dump,
15571 .flags = GENL_UNS_ADMIN_PERM,
15572 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15573 NL80211_FLAG_NEED_RTNL |
15574 NL80211_FLAG_CLEAR_SKB,
15577 .cmd = NL80211_CMD_SET_QOS_MAP,
15578 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15579 .doit = nl80211_set_qos_map,
15580 .flags = GENL_UNS_ADMIN_PERM,
15581 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15582 NL80211_FLAG_NEED_RTNL,
15585 .cmd = NL80211_CMD_ADD_TX_TS,
15586 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15587 .doit = nl80211_add_tx_ts,
15588 .flags = GENL_UNS_ADMIN_PERM,
15589 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15590 NL80211_FLAG_NEED_RTNL,
15593 .cmd = NL80211_CMD_DEL_TX_TS,
15594 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15595 .doit = nl80211_del_tx_ts,
15596 .flags = GENL_UNS_ADMIN_PERM,
15597 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15598 NL80211_FLAG_NEED_RTNL,
15601 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
15602 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15603 .doit = nl80211_tdls_channel_switch,
15604 .flags = GENL_UNS_ADMIN_PERM,
15605 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15606 NL80211_FLAG_NEED_RTNL,
15609 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
15610 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15611 .doit = nl80211_tdls_cancel_channel_switch,
15612 .flags = GENL_UNS_ADMIN_PERM,
15613 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15614 NL80211_FLAG_NEED_RTNL,
15617 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
15618 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15619 .doit = nl80211_set_multicast_to_unicast,
15620 .flags = GENL_UNS_ADMIN_PERM,
15621 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15622 NL80211_FLAG_NEED_RTNL,
15625 .cmd = NL80211_CMD_SET_PMK,
15626 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15627 .doit = nl80211_set_pmk,
15628 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15629 NL80211_FLAG_NEED_RTNL |
15630 NL80211_FLAG_CLEAR_SKB,
15633 .cmd = NL80211_CMD_DEL_PMK,
15634 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15635 .doit = nl80211_del_pmk,
15636 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15637 NL80211_FLAG_NEED_RTNL,
15640 .cmd = NL80211_CMD_EXTERNAL_AUTH,
15641 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15642 .doit = nl80211_external_auth,
15643 .flags = GENL_ADMIN_PERM,
15644 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15645 NL80211_FLAG_NEED_RTNL,
15648 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
15649 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15650 .doit = nl80211_tx_control_port,
15651 .flags = GENL_UNS_ADMIN_PERM,
15652 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15653 NL80211_FLAG_NEED_RTNL,
15656 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
15657 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15658 .doit = nl80211_get_ftm_responder_stats,
15659 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15660 NL80211_FLAG_NEED_RTNL,
15663 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
15664 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15665 .doit = nl80211_pmsr_start,
15666 .flags = GENL_UNS_ADMIN_PERM,
15667 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15668 NL80211_FLAG_NEED_RTNL,
15671 .cmd = NL80211_CMD_NOTIFY_RADAR,
15672 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15673 .doit = nl80211_notify_radar_detection,
15674 .flags = GENL_UNS_ADMIN_PERM,
15675 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15676 NL80211_FLAG_NEED_RTNL,
15679 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
15680 .doit = nl80211_update_owe_info,
15681 .flags = GENL_ADMIN_PERM,
15682 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15683 NL80211_FLAG_NEED_RTNL,
15686 .cmd = NL80211_CMD_PROBE_MESH_LINK,
15687 .doit = nl80211_probe_mesh_link,
15688 .flags = GENL_UNS_ADMIN_PERM,
15689 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15690 NL80211_FLAG_NEED_RTNL,
15693 .cmd = NL80211_CMD_SET_TID_CONFIG,
15694 .doit = nl80211_set_tid_config,
15695 .flags = GENL_UNS_ADMIN_PERM,
15696 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15697 NL80211_FLAG_NEED_RTNL,
15700 .cmd = NL80211_CMD_SET_SAR_SPECS,
15701 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15702 .doit = nl80211_set_sar_specs,
15703 .flags = GENL_UNS_ADMIN_PERM,
15704 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15705 NL80211_FLAG_NEED_RTNL,
15709 static struct genl_family nl80211_fam __ro_after_init = {
15710 .name = NL80211_GENL_NAME, /* have users key off the name instead */
15711 .hdrsize = 0, /* no private header */
15712 .version = 1, /* no particular meaning now */
15713 .maxattr = NL80211_ATTR_MAX,
15714 .policy = nl80211_policy,
15716 .pre_doit = nl80211_pre_doit,
15717 .post_doit = nl80211_post_doit,
15718 .module = THIS_MODULE,
15719 .ops = nl80211_ops,
15720 .n_ops = ARRAY_SIZE(nl80211_ops),
15721 .small_ops = nl80211_small_ops,
15722 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
15723 .mcgrps = nl80211_mcgrps,
15724 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
15725 .parallel_ops = true,
15728 /* notification functions */
15730 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
15731 enum nl80211_commands cmd)
15733 struct sk_buff *msg;
15734 struct nl80211_dump_wiphy_state state = {};
15736 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
15737 cmd != NL80211_CMD_DEL_WIPHY);
15739 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15743 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
15748 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15749 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15752 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
15753 struct wireless_dev *wdev,
15754 enum nl80211_commands cmd)
15756 struct sk_buff *msg;
15758 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15762 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
15767 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15768 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15771 static int nl80211_add_scan_req(struct sk_buff *msg,
15772 struct cfg80211_registered_device *rdev)
15774 struct cfg80211_scan_request *req = rdev->scan_req;
15775 struct nlattr *nest;
15777 struct cfg80211_scan_info *info;
15782 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
15784 goto nla_put_failure;
15785 for (i = 0; i < req->n_ssids; i++) {
15786 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
15787 goto nla_put_failure;
15789 nla_nest_end(msg, nest);
15791 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
15792 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
15794 goto nla_put_failure;
15795 for (i = 0; i < req->n_channels; i++) {
15796 if (nla_put_u32(msg, i,
15797 ieee80211_channel_to_khz(req->channels[i])))
15798 goto nla_put_failure;
15800 nla_nest_end(msg, nest);
15802 nest = nla_nest_start_noflag(msg,
15803 NL80211_ATTR_SCAN_FREQUENCIES);
15805 goto nla_put_failure;
15806 for (i = 0; i < req->n_channels; i++) {
15807 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
15808 goto nla_put_failure;
15810 nla_nest_end(msg, nest);
15814 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
15815 goto nla_put_failure;
15818 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
15819 goto nla_put_failure;
15821 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
15822 &rdev->scan_req->info;
15823 if (info->scan_start_tsf &&
15824 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
15825 info->scan_start_tsf, NL80211_BSS_PAD) ||
15826 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
15828 goto nla_put_failure;
15835 static int nl80211_prep_scan_msg(struct sk_buff *msg,
15836 struct cfg80211_registered_device *rdev,
15837 struct wireless_dev *wdev,
15838 u32 portid, u32 seq, int flags,
15843 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
15847 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15848 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15849 wdev->netdev->ifindex)) ||
15850 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15852 goto nla_put_failure;
15854 /* ignore errors and send incomplete event anyway */
15855 nl80211_add_scan_req(msg, rdev);
15857 genlmsg_end(msg, hdr);
15861 genlmsg_cancel(msg, hdr);
15866 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
15867 struct cfg80211_sched_scan_request *req, u32 cmd)
15871 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15875 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
15876 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
15877 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
15878 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
15880 goto nla_put_failure;
15882 genlmsg_end(msg, hdr);
15886 genlmsg_cancel(msg, hdr);
15890 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
15891 struct wireless_dev *wdev)
15893 struct sk_buff *msg;
15895 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15899 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
15900 NL80211_CMD_TRIGGER_SCAN) < 0) {
15905 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15906 NL80211_MCGRP_SCAN, GFP_KERNEL);
15909 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
15910 struct wireless_dev *wdev, bool aborted)
15912 struct sk_buff *msg;
15914 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15918 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
15919 aborted ? NL80211_CMD_SCAN_ABORTED :
15920 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
15928 /* send message created by nl80211_build_scan_msg() */
15929 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
15930 struct sk_buff *msg)
15935 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15936 NL80211_MCGRP_SCAN, GFP_KERNEL);
15939 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
15941 struct sk_buff *msg;
15943 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15947 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
15952 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
15953 NL80211_MCGRP_SCAN, GFP_KERNEL);
15956 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
15957 struct regulatory_request *request)
15959 /* Userspace can always count this one always being set */
15960 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
15961 goto nla_put_failure;
15963 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
15964 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15965 NL80211_REGDOM_TYPE_WORLD))
15966 goto nla_put_failure;
15967 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
15968 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15969 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
15970 goto nla_put_failure;
15971 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
15972 request->intersect) {
15973 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15974 NL80211_REGDOM_TYPE_INTERSECTION))
15975 goto nla_put_failure;
15977 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15978 NL80211_REGDOM_TYPE_COUNTRY) ||
15979 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
15981 goto nla_put_failure;
15984 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
15985 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
15988 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
15989 goto nla_put_failure;
15992 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
15993 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
15994 goto nla_put_failure;
16004 * This can happen on global regulatory changes or device specific settings
16005 * based on custom regulatory domains.
16007 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
16008 struct regulatory_request *request)
16010 struct sk_buff *msg;
16013 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16017 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
16019 goto nla_put_failure;
16021 if (!nl80211_reg_change_event_fill(msg, request))
16022 goto nla_put_failure;
16024 genlmsg_end(msg, hdr);
16027 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16028 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16037 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
16038 struct net_device *netdev,
16039 const u8 *buf, size_t len,
16040 enum nl80211_commands cmd, gfp_t gfp,
16041 int uapsd_queues, const u8 *req_ies,
16042 size_t req_ies_len, bool reconnect)
16044 struct sk_buff *msg;
16047 msg = nlmsg_new(100 + len + req_ies_len, gfp);
16051 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16057 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16058 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16059 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16061 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
16062 goto nla_put_failure;
16064 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
16065 goto nla_put_failure;
16067 if (uapsd_queues >= 0) {
16068 struct nlattr *nla_wmm =
16069 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
16071 goto nla_put_failure;
16073 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
16075 goto nla_put_failure;
16077 nla_nest_end(msg, nla_wmm);
16080 genlmsg_end(msg, hdr);
16082 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16083 NL80211_MCGRP_MLME, gfp);
16090 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
16091 struct net_device *netdev, const u8 *buf,
16092 size_t len, gfp_t gfp)
16094 nl80211_send_mlme_event(rdev, netdev, buf, len,
16095 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
16099 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
16100 struct net_device *netdev, const u8 *buf,
16101 size_t len, gfp_t gfp, int uapsd_queues,
16102 const u8 *req_ies, size_t req_ies_len)
16104 nl80211_send_mlme_event(rdev, netdev, buf, len,
16105 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
16106 req_ies, req_ies_len, false);
16109 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
16110 struct net_device *netdev, const u8 *buf,
16111 size_t len, bool reconnect, gfp_t gfp)
16113 nl80211_send_mlme_event(rdev, netdev, buf, len,
16114 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
16118 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
16119 struct net_device *netdev, const u8 *buf,
16120 size_t len, bool reconnect, gfp_t gfp)
16122 nl80211_send_mlme_event(rdev, netdev, buf, len,
16123 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
16127 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
16130 struct wireless_dev *wdev = dev->ieee80211_ptr;
16131 struct wiphy *wiphy = wdev->wiphy;
16132 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16133 const struct ieee80211_mgmt *mgmt = (void *)buf;
16136 if (WARN_ON(len < 2))
16139 if (ieee80211_is_deauth(mgmt->frame_control)) {
16140 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
16141 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
16142 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
16143 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
16144 if (wdev->unprot_beacon_reported &&
16145 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
16147 cmd = NL80211_CMD_UNPROT_BEACON;
16148 wdev->unprot_beacon_reported = jiffies;
16153 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
16154 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
16157 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
16159 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
16160 struct net_device *netdev, int cmd,
16161 const u8 *addr, gfp_t gfp)
16163 struct sk_buff *msg;
16166 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16170 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16176 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16177 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16178 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16179 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16180 goto nla_put_failure;
16182 genlmsg_end(msg, hdr);
16184 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16185 NL80211_MCGRP_MLME, gfp);
16192 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
16193 struct net_device *netdev, const u8 *addr,
16196 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
16200 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
16201 struct net_device *netdev, const u8 *addr,
16204 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
16208 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
16209 struct net_device *netdev,
16210 struct cfg80211_connect_resp_params *cr,
16213 struct sk_buff *msg;
16216 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
16217 cr->fils.kek_len + cr->fils.pmk_len +
16218 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16222 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
16228 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16229 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16231 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
16232 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
16233 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
16236 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16237 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
16238 cr->timeout_reason))) ||
16240 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
16242 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
16244 (cr->fils.update_erp_next_seq_num &&
16245 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16246 cr->fils.erp_next_seq_num)) ||
16247 (cr->status == WLAN_STATUS_SUCCESS &&
16249 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
16252 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
16254 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
16255 goto nla_put_failure;
16257 genlmsg_end(msg, hdr);
16259 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16260 NL80211_MCGRP_MLME, gfp);
16267 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
16268 struct net_device *netdev,
16269 struct cfg80211_roam_info *info, gfp_t gfp)
16271 struct sk_buff *msg;
16273 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
16275 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
16276 info->fils.kek_len + info->fils.pmk_len +
16277 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16281 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
16287 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16288 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16289 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
16291 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
16294 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
16296 (info->fils.update_erp_next_seq_num &&
16297 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16298 info->fils.erp_next_seq_num)) ||
16300 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
16301 info->fils.kek)) ||
16303 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
16304 (info->fils.pmkid &&
16305 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
16306 goto nla_put_failure;
16308 genlmsg_end(msg, hdr);
16310 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16311 NL80211_MCGRP_MLME, gfp);
16318 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
16319 struct net_device *netdev, const u8 *bssid)
16321 struct sk_buff *msg;
16324 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16328 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
16334 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16335 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16336 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16337 goto nla_put_failure;
16339 genlmsg_end(msg, hdr);
16341 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16342 NL80211_MCGRP_MLME, GFP_KERNEL);
16349 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
16350 struct net_device *netdev, u16 reason,
16351 const u8 *ie, size_t ie_len, bool from_ap)
16353 struct sk_buff *msg;
16356 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
16360 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
16366 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16367 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16369 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
16371 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
16372 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
16373 goto nla_put_failure;
16375 genlmsg_end(msg, hdr);
16377 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16378 NL80211_MCGRP_MLME, GFP_KERNEL);
16385 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
16386 struct net_device *netdev, const u8 *bssid,
16389 struct sk_buff *msg;
16392 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16396 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
16402 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16403 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16404 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16405 goto nla_put_failure;
16407 genlmsg_end(msg, hdr);
16409 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16410 NL80211_MCGRP_MLME, gfp);
16417 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
16418 const u8 *ie, u8 ie_len,
16419 int sig_dbm, gfp_t gfp)
16421 struct wireless_dev *wdev = dev->ieee80211_ptr;
16422 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16423 struct sk_buff *msg;
16426 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
16429 trace_cfg80211_notify_new_peer_candidate(dev, addr);
16431 msg = nlmsg_new(100 + ie_len, gfp);
16435 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
16441 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16442 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16443 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16445 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
16447 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
16448 goto nla_put_failure;
16450 genlmsg_end(msg, hdr);
16452 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16453 NL80211_MCGRP_MLME, gfp);
16459 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
16461 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
16462 struct net_device *netdev, const u8 *addr,
16463 enum nl80211_key_type key_type, int key_id,
16464 const u8 *tsc, gfp_t gfp)
16466 struct sk_buff *msg;
16469 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16473 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
16479 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16480 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16481 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
16482 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
16484 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
16485 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
16486 goto nla_put_failure;
16488 genlmsg_end(msg, hdr);
16490 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16491 NL80211_MCGRP_MLME, gfp);
16498 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
16499 struct ieee80211_channel *channel_before,
16500 struct ieee80211_channel *channel_after)
16502 struct sk_buff *msg;
16504 struct nlattr *nl_freq;
16506 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
16510 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
16517 * Since we are applying the beacon hint to a wiphy we know its
16518 * wiphy_idx is valid
16520 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
16521 goto nla_put_failure;
16524 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
16526 goto nla_put_failure;
16528 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
16529 goto nla_put_failure;
16530 nla_nest_end(msg, nl_freq);
16533 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
16535 goto nla_put_failure;
16537 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
16538 goto nla_put_failure;
16539 nla_nest_end(msg, nl_freq);
16541 genlmsg_end(msg, hdr);
16544 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16545 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16554 static void nl80211_send_remain_on_chan_event(
16555 int cmd, struct cfg80211_registered_device *rdev,
16556 struct wireless_dev *wdev, u64 cookie,
16557 struct ieee80211_channel *chan,
16558 unsigned int duration, gfp_t gfp)
16560 struct sk_buff *msg;
16563 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16567 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16573 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16574 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16575 wdev->netdev->ifindex)) ||
16576 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16577 NL80211_ATTR_PAD) ||
16578 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
16579 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
16580 NL80211_CHAN_NO_HT) ||
16581 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16583 goto nla_put_failure;
16585 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
16586 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
16587 goto nla_put_failure;
16589 genlmsg_end(msg, hdr);
16591 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16592 NL80211_MCGRP_MLME, gfp);
16599 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
16600 struct ieee80211_channel *chan,
16601 unsigned int duration, gfp_t gfp)
16603 struct wiphy *wiphy = wdev->wiphy;
16604 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16606 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
16607 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
16608 rdev, wdev, cookie, chan,
16611 EXPORT_SYMBOL(cfg80211_ready_on_channel);
16613 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
16614 struct ieee80211_channel *chan,
16617 struct wiphy *wiphy = wdev->wiphy;
16618 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16620 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
16621 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
16622 rdev, wdev, cookie, chan, 0, gfp);
16624 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
16626 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
16627 struct ieee80211_channel *chan,
16630 struct wiphy *wiphy = wdev->wiphy;
16631 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16633 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
16634 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
16635 rdev, wdev, cookie, chan, 0, gfp);
16637 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
16639 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
16640 struct station_info *sinfo, gfp_t gfp)
16642 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16643 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16644 struct sk_buff *msg;
16646 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
16648 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16652 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
16653 rdev, dev, mac_addr, sinfo) < 0) {
16658 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16659 NL80211_MCGRP_MLME, gfp);
16661 EXPORT_SYMBOL(cfg80211_new_sta);
16663 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
16664 struct station_info *sinfo, gfp_t gfp)
16666 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16667 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16668 struct sk_buff *msg;
16669 struct station_info empty_sinfo = {};
16672 sinfo = &empty_sinfo;
16674 trace_cfg80211_del_sta(dev, mac_addr);
16676 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16678 cfg80211_sinfo_release_content(sinfo);
16682 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
16683 rdev, dev, mac_addr, sinfo) < 0) {
16688 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16689 NL80211_MCGRP_MLME, gfp);
16691 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
16693 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
16694 enum nl80211_connect_failed_reason reason,
16697 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16698 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16699 struct sk_buff *msg;
16702 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
16706 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
16712 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16713 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
16714 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
16715 goto nla_put_failure;
16717 genlmsg_end(msg, hdr);
16719 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16720 NL80211_MCGRP_MLME, gfp);
16726 EXPORT_SYMBOL(cfg80211_conn_failed);
16728 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
16729 const u8 *addr, gfp_t gfp)
16731 struct wireless_dev *wdev = dev->ieee80211_ptr;
16732 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16733 struct sk_buff *msg;
16735 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
16740 msg = nlmsg_new(100, gfp);
16744 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16750 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16751 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16752 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16753 goto nla_put_failure;
16755 genlmsg_end(msg, hdr);
16756 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16764 bool cfg80211_rx_spurious_frame(struct net_device *dev,
16765 const u8 *addr, gfp_t gfp)
16767 struct wireless_dev *wdev = dev->ieee80211_ptr;
16770 trace_cfg80211_rx_spurious_frame(dev, addr);
16772 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16773 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
16774 trace_cfg80211_return_bool(false);
16777 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
16779 trace_cfg80211_return_bool(ret);
16782 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
16784 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
16785 const u8 *addr, gfp_t gfp)
16787 struct wireless_dev *wdev = dev->ieee80211_ptr;
16790 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
16792 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16793 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
16794 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
16795 trace_cfg80211_return_bool(false);
16798 ret = __nl80211_unexpected_frame(dev,
16799 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
16801 trace_cfg80211_return_bool(ret);
16804 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
16806 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
16807 struct wireless_dev *wdev, u32 nlportid,
16808 int freq, int sig_dbm,
16809 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
16811 struct net_device *netdev = wdev->netdev;
16812 struct sk_buff *msg;
16815 msg = nlmsg_new(100 + len, gfp);
16819 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16825 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16826 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16827 netdev->ifindex)) ||
16828 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16829 NL80211_ATTR_PAD) ||
16830 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(freq)) ||
16831 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, freq % 1000) ||
16833 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16834 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16836 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
16837 goto nla_put_failure;
16839 genlmsg_end(msg, hdr);
16841 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16848 static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie,
16849 const u8 *buf, size_t len, bool ack,
16850 gfp_t gfp, enum nl80211_commands command)
16852 struct wiphy *wiphy = wdev->wiphy;
16853 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16854 struct net_device *netdev = wdev->netdev;
16855 struct sk_buff *msg;
16858 if (command == NL80211_CMD_FRAME_TX_STATUS)
16859 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
16861 trace_cfg80211_control_port_tx_status(wdev, cookie, ack);
16863 msg = nlmsg_new(100 + len, gfp);
16867 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
16873 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16874 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16875 netdev->ifindex)) ||
16876 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16877 NL80211_ATTR_PAD) ||
16878 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16879 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16880 NL80211_ATTR_PAD) ||
16881 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
16882 goto nla_put_failure;
16884 genlmsg_end(msg, hdr);
16886 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16887 NL80211_MCGRP_MLME, gfp);
16894 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
16895 const u8 *buf, size_t len, bool ack,
16898 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16899 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
16901 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
16903 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
16904 const u8 *buf, size_t len, bool ack, gfp_t gfp)
16906 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16907 NL80211_CMD_FRAME_TX_STATUS);
16909 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
16911 static int __nl80211_rx_control_port(struct net_device *dev,
16912 struct sk_buff *skb,
16913 bool unencrypted, gfp_t gfp)
16915 struct wireless_dev *wdev = dev->ieee80211_ptr;
16916 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16917 struct ethhdr *ehdr = eth_hdr(skb);
16918 const u8 *addr = ehdr->h_source;
16919 u16 proto = be16_to_cpu(skb->protocol);
16920 struct sk_buff *msg;
16922 struct nlattr *frame;
16924 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
16929 msg = nlmsg_new(100 + skb->len, gfp);
16933 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
16939 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16940 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16941 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16942 NL80211_ATTR_PAD) ||
16943 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16944 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
16945 (unencrypted && nla_put_flag(msg,
16946 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
16947 goto nla_put_failure;
16949 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
16951 goto nla_put_failure;
16953 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
16954 genlmsg_end(msg, hdr);
16956 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16963 bool cfg80211_rx_control_port(struct net_device *dev,
16964 struct sk_buff *skb, bool unencrypted)
16968 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
16969 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
16970 trace_cfg80211_return_bool(ret == 0);
16973 EXPORT_SYMBOL(cfg80211_rx_control_port);
16975 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
16976 const char *mac, gfp_t gfp)
16978 struct wireless_dev *wdev = dev->ieee80211_ptr;
16979 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16980 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16986 cb = (void **)msg->cb;
16988 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
16994 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16995 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16996 goto nla_put_failure;
16998 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16999 goto nla_put_failure;
17001 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
17003 goto nla_put_failure;
17013 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
17015 void **cb = (void **)msg->cb;
17016 struct cfg80211_registered_device *rdev = cb[2];
17018 nla_nest_end(msg, cb[1]);
17019 genlmsg_end(msg, cb[0]);
17021 memset(msg->cb, 0, sizeof(msg->cb));
17023 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17024 NL80211_MCGRP_MLME, gfp);
17027 void cfg80211_cqm_rssi_notify(struct net_device *dev,
17028 enum nl80211_cqm_rssi_threshold_event rssi_event,
17029 s32 rssi_level, gfp_t gfp)
17031 struct sk_buff *msg;
17032 struct wireless_dev *wdev = dev->ieee80211_ptr;
17033 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17035 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
17037 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
17038 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
17041 if (wdev->cqm_config) {
17042 wdev->cqm_config->last_rssi_event_value = rssi_level;
17044 cfg80211_cqm_rssi_update(rdev, dev);
17046 if (rssi_level == 0)
17047 rssi_level = wdev->cqm_config->last_rssi_event_value;
17050 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17054 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
17056 goto nla_put_failure;
17058 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
17060 goto nla_put_failure;
17062 cfg80211_send_cqm(msg, gfp);
17069 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
17071 void cfg80211_cqm_txe_notify(struct net_device *dev,
17072 const u8 *peer, u32 num_packets,
17073 u32 rate, u32 intvl, gfp_t gfp)
17075 struct sk_buff *msg;
17077 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17081 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
17082 goto nla_put_failure;
17084 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
17085 goto nla_put_failure;
17087 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
17088 goto nla_put_failure;
17090 cfg80211_send_cqm(msg, gfp);
17096 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
17098 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
17099 const u8 *peer, u32 num_packets, gfp_t gfp)
17101 struct sk_buff *msg;
17103 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
17105 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17109 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
17110 goto nla_put_failure;
17112 cfg80211_send_cqm(msg, gfp);
17118 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
17120 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
17122 struct sk_buff *msg;
17124 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17128 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
17129 goto nla_put_failure;
17131 cfg80211_send_cqm(msg, gfp);
17137 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
17139 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
17140 struct net_device *netdev, const u8 *bssid,
17141 const u8 *replay_ctr, gfp_t gfp)
17143 struct sk_buff *msg;
17144 struct nlattr *rekey_attr;
17147 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17151 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
17157 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17158 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17159 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
17160 goto nla_put_failure;
17162 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
17164 goto nla_put_failure;
17166 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
17167 NL80211_REPLAY_CTR_LEN, replay_ctr))
17168 goto nla_put_failure;
17170 nla_nest_end(msg, rekey_attr);
17172 genlmsg_end(msg, hdr);
17174 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17175 NL80211_MCGRP_MLME, gfp);
17182 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
17183 const u8 *replay_ctr, gfp_t gfp)
17185 struct wireless_dev *wdev = dev->ieee80211_ptr;
17186 struct wiphy *wiphy = wdev->wiphy;
17187 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17189 trace_cfg80211_gtk_rekey_notify(dev, bssid);
17190 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
17192 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
17195 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
17196 struct net_device *netdev, int index,
17197 const u8 *bssid, bool preauth, gfp_t gfp)
17199 struct sk_buff *msg;
17200 struct nlattr *attr;
17203 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17207 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
17213 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17214 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17215 goto nla_put_failure;
17217 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
17219 goto nla_put_failure;
17221 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
17222 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
17224 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
17225 goto nla_put_failure;
17227 nla_nest_end(msg, attr);
17229 genlmsg_end(msg, hdr);
17231 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17232 NL80211_MCGRP_MLME, gfp);
17239 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
17240 const u8 *bssid, bool preauth, gfp_t gfp)
17242 struct wireless_dev *wdev = dev->ieee80211_ptr;
17243 struct wiphy *wiphy = wdev->wiphy;
17244 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17246 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
17247 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
17249 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
17251 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
17252 struct net_device *netdev,
17253 struct cfg80211_chan_def *chandef,
17255 enum nl80211_commands notif,
17256 u8 count, bool quiet)
17258 struct sk_buff *msg;
17261 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17265 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
17271 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17272 goto nla_put_failure;
17274 if (nl80211_send_chandef(msg, chandef))
17275 goto nla_put_failure;
17277 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
17278 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
17279 goto nla_put_failure;
17281 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
17282 goto nla_put_failure;
17285 genlmsg_end(msg, hdr);
17287 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17288 NL80211_MCGRP_MLME, gfp);
17295 void cfg80211_ch_switch_notify(struct net_device *dev,
17296 struct cfg80211_chan_def *chandef)
17298 struct wireless_dev *wdev = dev->ieee80211_ptr;
17299 struct wiphy *wiphy = wdev->wiphy;
17300 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17302 ASSERT_WDEV_LOCK(wdev);
17304 trace_cfg80211_ch_switch_notify(dev, chandef);
17306 wdev->chandef = *chandef;
17307 wdev->preset_chandef = *chandef;
17309 if (wdev->iftype == NL80211_IFTYPE_STATION &&
17310 !WARN_ON(!wdev->current_bss))
17311 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
17313 cfg80211_sched_dfs_chan_update(rdev);
17315 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17316 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false);
17318 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
17320 void cfg80211_ch_switch_started_notify(struct net_device *dev,
17321 struct cfg80211_chan_def *chandef,
17322 u8 count, bool quiet)
17324 struct wireless_dev *wdev = dev->ieee80211_ptr;
17325 struct wiphy *wiphy = wdev->wiphy;
17326 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17328 trace_cfg80211_ch_switch_started_notify(dev, chandef);
17330 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17331 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
17334 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
17337 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
17338 const struct cfg80211_chan_def *chandef,
17339 enum nl80211_radar_event event,
17340 struct net_device *netdev, gfp_t gfp)
17342 struct sk_buff *msg;
17345 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17349 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
17355 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17356 goto nla_put_failure;
17358 /* NOP and radar events don't need a netdev parameter */
17360 struct wireless_dev *wdev = netdev->ieee80211_ptr;
17362 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17363 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17365 goto nla_put_failure;
17368 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
17369 goto nla_put_failure;
17371 if (nl80211_send_chandef(msg, chandef))
17372 goto nla_put_failure;
17374 genlmsg_end(msg, hdr);
17376 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17377 NL80211_MCGRP_MLME, gfp);
17384 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
17385 struct sta_opmode_info *sta_opmode,
17388 struct sk_buff *msg;
17389 struct wireless_dev *wdev = dev->ieee80211_ptr;
17390 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17396 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17400 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
17406 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17407 goto nla_put_failure;
17409 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17410 goto nla_put_failure;
17412 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17413 goto nla_put_failure;
17415 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
17416 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
17417 goto nla_put_failure;
17419 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
17420 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
17421 goto nla_put_failure;
17423 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
17424 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
17425 goto nla_put_failure;
17427 genlmsg_end(msg, hdr);
17429 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17430 NL80211_MCGRP_MLME, gfp);
17437 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
17439 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
17440 u64 cookie, bool acked, s32 ack_signal,
17441 bool is_valid_ack_signal, gfp_t gfp)
17443 struct wireless_dev *wdev = dev->ieee80211_ptr;
17444 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17445 struct sk_buff *msg;
17448 trace_cfg80211_probe_status(dev, addr, cookie, acked);
17450 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17455 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
17461 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17462 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17463 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17464 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
17465 NL80211_ATTR_PAD) ||
17466 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
17467 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
17469 goto nla_put_failure;
17471 genlmsg_end(msg, hdr);
17473 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17474 NL80211_MCGRP_MLME, gfp);
17480 EXPORT_SYMBOL(cfg80211_probe_status);
17482 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
17483 size_t len, int freq, int sig_dbm)
17485 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17486 struct sk_buff *msg;
17488 struct cfg80211_beacon_registration *reg;
17490 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
17492 spin_lock_bh(&rdev->beacon_registrations_lock);
17493 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
17494 msg = nlmsg_new(len + 100, GFP_ATOMIC);
17496 spin_unlock_bh(&rdev->beacon_registrations_lock);
17500 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
17502 goto nla_put_failure;
17504 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17506 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
17507 KHZ_TO_MHZ(freq)) ||
17508 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
17511 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
17512 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
17513 goto nla_put_failure;
17515 genlmsg_end(msg, hdr);
17517 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
17519 spin_unlock_bh(&rdev->beacon_registrations_lock);
17523 spin_unlock_bh(&rdev->beacon_registrations_lock);
17526 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
17529 static int cfg80211_net_detect_results(struct sk_buff *msg,
17530 struct cfg80211_wowlan_wakeup *wakeup)
17532 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
17533 struct nlattr *nl_results, *nl_match, *nl_freqs;
17536 nl_results = nla_nest_start_noflag(msg,
17537 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
17541 for (i = 0; i < nd->n_matches; i++) {
17542 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
17544 nl_match = nla_nest_start_noflag(msg, i);
17548 /* The SSID attribute is optional in nl80211, but for
17549 * simplicity reasons it's always present in the
17550 * cfg80211 structure. If a driver can't pass the
17551 * SSID, that needs to be changed. A zero length SSID
17552 * is still a valid SSID (wildcard), so it cannot be
17553 * used for this purpose.
17555 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
17556 match->ssid.ssid)) {
17557 nla_nest_cancel(msg, nl_match);
17561 if (match->n_channels) {
17562 nl_freqs = nla_nest_start_noflag(msg,
17563 NL80211_ATTR_SCAN_FREQUENCIES);
17565 nla_nest_cancel(msg, nl_match);
17569 for (j = 0; j < match->n_channels; j++) {
17570 if (nla_put_u32(msg, j, match->channels[j])) {
17571 nla_nest_cancel(msg, nl_freqs);
17572 nla_nest_cancel(msg, nl_match);
17577 nla_nest_end(msg, nl_freqs);
17580 nla_nest_end(msg, nl_match);
17584 nla_nest_end(msg, nl_results);
17588 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
17589 struct cfg80211_wowlan_wakeup *wakeup,
17592 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17593 struct sk_buff *msg;
17597 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
17600 size += wakeup->packet_present_len;
17602 msg = nlmsg_new(size, gfp);
17606 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
17610 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17611 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17615 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17616 wdev->netdev->ifindex))
17620 struct nlattr *reasons;
17622 reasons = nla_nest_start_noflag(msg,
17623 NL80211_ATTR_WOWLAN_TRIGGERS);
17627 if (wakeup->disconnect &&
17628 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
17630 if (wakeup->magic_pkt &&
17631 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
17633 if (wakeup->gtk_rekey_failure &&
17634 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
17636 if (wakeup->eap_identity_req &&
17637 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
17639 if (wakeup->four_way_handshake &&
17640 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
17642 if (wakeup->rfkill_release &&
17643 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
17646 if (wakeup->pattern_idx >= 0 &&
17647 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
17648 wakeup->pattern_idx))
17651 if (wakeup->tcp_match &&
17652 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
17655 if (wakeup->tcp_connlost &&
17656 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
17659 if (wakeup->tcp_nomoretokens &&
17661 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
17664 if (wakeup->packet) {
17665 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
17666 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
17668 if (!wakeup->packet_80211) {
17670 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
17672 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
17675 if (wakeup->packet_len &&
17676 nla_put_u32(msg, len_attr, wakeup->packet_len))
17679 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
17684 if (wakeup->net_detect &&
17685 cfg80211_net_detect_results(msg, wakeup))
17688 nla_nest_end(msg, reasons);
17691 genlmsg_end(msg, hdr);
17693 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17694 NL80211_MCGRP_MLME, gfp);
17700 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
17703 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
17704 enum nl80211_tdls_operation oper,
17705 u16 reason_code, gfp_t gfp)
17707 struct wireless_dev *wdev = dev->ieee80211_ptr;
17708 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17709 struct sk_buff *msg;
17712 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
17715 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17719 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
17725 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17726 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17727 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
17728 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
17729 (reason_code > 0 &&
17730 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
17731 goto nla_put_failure;
17733 genlmsg_end(msg, hdr);
17735 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17736 NL80211_MCGRP_MLME, gfp);
17742 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
17744 static int nl80211_netlink_notify(struct notifier_block * nb,
17745 unsigned long state,
17748 struct netlink_notify *notify = _notify;
17749 struct cfg80211_registered_device *rdev;
17750 struct wireless_dev *wdev;
17751 struct cfg80211_beacon_registration *reg, *tmp;
17753 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
17754 return NOTIFY_DONE;
17758 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
17759 struct cfg80211_sched_scan_request *sched_scan_req;
17761 list_for_each_entry_rcu(sched_scan_req,
17762 &rdev->sched_scan_req_list,
17764 if (sched_scan_req->owner_nlportid == notify->portid) {
17765 sched_scan_req->nl_owner_dead = true;
17766 schedule_work(&rdev->sched_scan_stop_wk);
17770 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
17771 cfg80211_mlme_unregister_socket(wdev, notify->portid);
17773 if (wdev->owner_nlportid == notify->portid) {
17774 wdev->nl_owner_dead = true;
17775 schedule_work(&rdev->destroy_work);
17776 } else if (wdev->conn_owner_nlportid == notify->portid) {
17777 schedule_work(&wdev->disconnect_wk);
17780 cfg80211_release_pmsr(wdev, notify->portid);
17783 spin_lock_bh(&rdev->beacon_registrations_lock);
17784 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
17786 if (reg->nlportid == notify->portid) {
17787 list_del(®->list);
17792 spin_unlock_bh(&rdev->beacon_registrations_lock);
17798 * It is possible that the user space process that is controlling the
17799 * indoor setting disappeared, so notify the regulatory core.
17801 regulatory_netlink_notify(notify->portid);
17805 static struct notifier_block nl80211_netlink_notifier = {
17806 .notifier_call = nl80211_netlink_notify,
17809 void cfg80211_ft_event(struct net_device *netdev,
17810 struct cfg80211_ft_event_params *ft_event)
17812 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
17813 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17814 struct sk_buff *msg;
17817 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
17819 if (!ft_event->target_ap)
17822 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
17827 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
17831 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17832 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17833 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
17836 if (ft_event->ies &&
17837 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
17839 if (ft_event->ric_ies &&
17840 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
17841 ft_event->ric_ies))
17844 genlmsg_end(msg, hdr);
17846 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17847 NL80211_MCGRP_MLME, GFP_KERNEL);
17852 EXPORT_SYMBOL(cfg80211_ft_event);
17854 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
17856 struct cfg80211_registered_device *rdev;
17857 struct sk_buff *msg;
17861 rdev = wiphy_to_rdev(wdev->wiphy);
17862 if (!rdev->crit_proto_nlportid)
17865 nlportid = rdev->crit_proto_nlportid;
17866 rdev->crit_proto_nlportid = 0;
17868 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17872 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
17874 goto nla_put_failure;
17876 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17877 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17879 goto nla_put_failure;
17881 genlmsg_end(msg, hdr);
17883 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17889 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
17891 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
17893 struct wiphy *wiphy = wdev->wiphy;
17894 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17895 struct sk_buff *msg;
17898 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17902 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
17906 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17907 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
17908 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17912 genlmsg_end(msg, hdr);
17914 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
17915 NL80211_MCGRP_MLME, GFP_KERNEL);
17921 int cfg80211_external_auth_request(struct net_device *dev,
17922 struct cfg80211_external_auth_params *params,
17925 struct wireless_dev *wdev = dev->ieee80211_ptr;
17926 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17927 struct sk_buff *msg;
17930 if (!wdev->conn_owner_nlportid)
17933 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17937 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
17939 goto nla_put_failure;
17941 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17942 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17943 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
17944 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
17946 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
17947 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
17948 params->ssid.ssid))
17949 goto nla_put_failure;
17951 genlmsg_end(msg, hdr);
17952 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
17953 wdev->conn_owner_nlportid);
17960 EXPORT_SYMBOL(cfg80211_external_auth_request);
17962 void cfg80211_update_owe_info_event(struct net_device *netdev,
17963 struct cfg80211_update_owe_info *owe_info,
17966 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
17967 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17968 struct sk_buff *msg;
17971 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
17973 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17977 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
17979 goto nla_put_failure;
17981 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17982 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17983 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
17984 goto nla_put_failure;
17986 if (!owe_info->ie_len ||
17987 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
17988 goto nla_put_failure;
17990 genlmsg_end(msg, hdr);
17992 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17993 NL80211_MCGRP_MLME, gfp);
17997 genlmsg_cancel(msg, hdr);
18000 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
18002 /* initialisation/exit functions */
18004 int __init nl80211_init(void)
18008 err = genl_register_family(&nl80211_fam);
18012 err = netlink_register_notifier(&nl80211_netlink_notifier);
18018 genl_unregister_family(&nl80211_fam);
18022 void nl80211_exit(void)
18024 netlink_unregister_notifier(&nl80211_netlink_notifier);
18025 genl_unregister_family(&nl80211_fam);