1 // SPDX-License-Identifier: GPL-2.0-only
3 * This is the new netlink-based wireless configuration interface.
5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2013-2014 Intel Mobile Communications GmbH
7 * Copyright 2015-2017 Intel Deutschland GmbH
8 * Copyright (C) 2018-2021 Intel Corporation
12 #include <linux/module.h>
13 #include <linux/err.h>
14 #include <linux/slab.h>
15 #include <linux/list.h>
16 #include <linux/if_ether.h>
17 #include <linux/ieee80211.h>
18 #include <linux/nl80211.h>
19 #include <linux/rtnetlink.h>
20 #include <linux/netlink.h>
21 #include <linux/nospec.h>
22 #include <linux/etherdevice.h>
23 #include <linux/if_vlan.h>
24 #include <net/net_namespace.h>
25 #include <net/genetlink.h>
26 #include <net/cfg80211.h>
28 #include <net/inet_connection_sock.h>
34 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
35 struct genl_info *info,
36 struct cfg80211_crypto_settings *settings,
39 /* the netlink family */
40 static struct genl_family nl80211_fam;
42 /* multicast groups */
43 enum nl80211_multicast_groups {
46 NL80211_MCGRP_REGULATORY,
50 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
53 static const struct genl_multicast_group nl80211_mcgrps[] = {
54 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
55 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
56 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
57 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
58 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
59 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
60 #ifdef CONFIG_NL80211_TESTMODE
61 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
65 /* returns ERR_PTR values */
66 static struct wireless_dev *
67 __cfg80211_wdev_from_attrs(struct 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 unsigned int fixedlen, hdrlen;
215 if (len < offsetofend(typeof(*mgmt), frame_control))
218 s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control);
220 fixedlen = offsetof(struct ieee80211_ext,
221 u.s1g_beacon.variable);
222 hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon);
224 fixedlen = offsetof(struct ieee80211_mgmt,
226 hdrlen = offsetof(struct ieee80211_mgmt, u.beacon);
232 if (ieee80211_hdrlen(mgmt->frame_control) != hdrlen)
238 for_each_element(elem, data, len) {
242 if (for_each_element_completed(elem, data, len))
246 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
250 static int validate_ie_attr(const struct nlattr *attr,
251 struct netlink_ext_ack *extack)
253 const u8 *data = nla_data(attr);
254 unsigned int len = nla_len(attr);
255 const struct element *elem;
257 for_each_element(elem, data, len) {
261 if (for_each_element_completed(elem, data, len))
264 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
268 /* policy for the attributes */
269 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
271 static const struct nla_policy
272 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
273 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
274 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
276 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
280 static const struct nla_policy
281 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
282 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
283 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
284 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
285 NLA_POLICY_MAX(NLA_U8, 15),
286 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
287 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
288 NLA_POLICY_MAX(NLA_U8, 15),
289 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
290 NLA_POLICY_MAX(NLA_U8, 31),
291 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
292 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
293 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
294 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
295 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
298 static const struct nla_policy
299 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
300 [NL80211_PMSR_TYPE_FTM] =
301 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
304 static const struct nla_policy
305 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
306 [NL80211_PMSR_REQ_ATTR_DATA] =
307 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
308 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
311 static const struct nla_policy
312 nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
313 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
314 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
315 [NL80211_PMSR_PEER_ATTR_REQ] =
316 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
317 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
320 static const struct nla_policy
321 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
322 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
323 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
324 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
325 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
326 [NL80211_PMSR_ATTR_PEERS] =
327 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
330 static const struct nla_policy
331 he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
332 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
333 NLA_POLICY_RANGE(NLA_U8, 1, 20),
334 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
335 NLA_POLICY_RANGE(NLA_U8, 1, 20),
336 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
337 NLA_POLICY_RANGE(NLA_U8, 1, 20),
338 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
339 NLA_POLICY_EXACT_LEN(8),
340 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
341 NLA_POLICY_EXACT_LEN(8),
342 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
345 static const struct nla_policy
346 he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
347 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
348 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
349 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
352 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
353 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
354 .len = NL80211_MAX_SUPP_RATES },
355 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
356 .len = NL80211_MAX_SUPP_HT_RATES },
357 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
358 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
359 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
360 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
361 NL80211_RATE_INFO_HE_GI_0_8,
362 NL80211_RATE_INFO_HE_GI_3_2),
363 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
364 NL80211_RATE_INFO_HE_1XLTF,
365 NL80211_RATE_INFO_HE_4XLTF),
368 static const struct nla_policy
369 nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
370 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
371 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
372 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
373 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
374 [NL80211_TID_CONFIG_ATTR_NOACK] =
375 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
376 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
377 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
378 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
379 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
380 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
381 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
382 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
383 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
384 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
385 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
386 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
387 NLA_POLICY_NESTED(nl80211_txattr_policy),
390 static const struct nla_policy
391 nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
392 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
393 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
394 NLA_POLICY_RANGE(NLA_BINARY,
395 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
396 IEEE80211_MAX_DATA_LEN),
399 static const struct nla_policy
400 nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
401 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
402 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
403 .len = IEEE80211_MAX_DATA_LEN }
406 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
407 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
408 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
409 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
411 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
413 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
414 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
415 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
416 NL80211_EDMG_CHANNELS_MIN,
417 NL80211_EDMG_CHANNELS_MAX),
418 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
419 NL80211_EDMG_BW_CONFIG_MIN,
420 NL80211_EDMG_BW_CONFIG_MAX),
422 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
423 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
424 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
425 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
427 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
428 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
429 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
430 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
431 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
432 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
434 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
435 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
436 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
438 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
439 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
441 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
442 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
443 .len = WLAN_MAX_KEY_LEN },
444 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
445 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
446 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
447 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
448 [NL80211_ATTR_KEY_TYPE] =
449 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
451 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
452 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
453 [NL80211_ATTR_BEACON_HEAD] =
454 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
455 IEEE80211_MAX_DATA_LEN),
456 [NL80211_ATTR_BEACON_TAIL] =
457 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
458 IEEE80211_MAX_DATA_LEN),
459 [NL80211_ATTR_STA_AID] =
460 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
461 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
462 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
463 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
464 .len = NL80211_MAX_SUPP_RATES },
465 [NL80211_ATTR_STA_PLINK_ACTION] =
466 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
467 [NL80211_ATTR_STA_TX_POWER_SETTING] =
468 NLA_POLICY_RANGE(NLA_U8,
469 NL80211_TX_POWER_AUTOMATIC,
470 NL80211_TX_POWER_FIXED),
471 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
472 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
473 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
474 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
475 .len = IEEE80211_MAX_MESH_ID_LEN },
476 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
478 /* allow 3 for NUL-termination, we used to declare this NLA_STRING */
479 [NL80211_ATTR_REG_ALPHA2] = NLA_POLICY_RANGE(NLA_BINARY, 2, 3),
480 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
482 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
483 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
484 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
485 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
486 .len = NL80211_MAX_SUPP_RATES },
487 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
489 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
490 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
492 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
494 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
495 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
497 IEEE80211_MAX_DATA_LEN),
498 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
499 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
501 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
502 .len = IEEE80211_MAX_SSID_LEN },
503 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
504 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
505 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
506 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
507 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
509 NL80211_MFP_OPTIONAL),
510 [NL80211_ATTR_STA_FLAGS2] = {
511 .len = sizeof(struct nl80211_sta_flag_update),
513 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
514 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
515 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
516 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
517 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
518 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
519 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
520 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
521 [NL80211_ATTR_PID] = { .type = NLA_U32 },
522 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
523 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
524 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
525 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
526 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
527 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
528 .len = IEEE80211_MAX_DATA_LEN },
529 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
530 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
533 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
534 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
535 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
536 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
537 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
538 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
539 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
540 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
541 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
542 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
543 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
544 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
545 [NL80211_ATTR_STA_PLINK_STATE] =
546 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
547 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
548 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
549 [NL80211_ATTR_MESH_PEER_AID] =
550 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
551 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
552 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
553 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
554 [NL80211_ATTR_HIDDEN_SSID] =
555 NLA_POLICY_RANGE(NLA_U32,
556 NL80211_HIDDEN_SSID_NOT_IN_USE,
557 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
558 [NL80211_ATTR_IE_PROBE_RESP] =
559 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
560 IEEE80211_MAX_DATA_LEN),
561 [NL80211_ATTR_IE_ASSOC_RESP] =
562 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
563 IEEE80211_MAX_DATA_LEN),
564 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
565 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
566 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
567 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
568 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
569 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
570 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
571 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
572 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
573 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
574 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
575 .len = IEEE80211_MAX_DATA_LEN },
576 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
577 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
578 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
579 .len = NL80211_HT_CAPABILITY_LEN
581 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
582 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
583 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
584 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
585 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
587 /* need to include at least Auth Transaction and Status Code */
588 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
590 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
591 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
592 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
593 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
594 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
595 NLA_POLICY_RANGE(NLA_U32,
596 NL80211_MESH_POWER_UNKNOWN + 1,
597 NL80211_MESH_POWER_MAX),
598 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
599 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
600 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
601 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
602 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
603 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
604 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
605 .len = NL80211_VHT_CAPABILITY_LEN,
607 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
608 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
609 .len = IEEE80211_MAX_DATA_LEN },
610 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
611 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
612 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
613 [NL80211_ATTR_PEER_AID] =
614 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
615 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
616 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
617 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
618 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
619 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
620 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
622 * The value of the Length field of the Supported Operating
623 * Classes element is between 2 and 253.
625 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
626 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
627 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
628 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
629 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
630 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
631 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
632 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
633 IEEE80211_QOS_MAP_LEN_MIN,
634 IEEE80211_QOS_MAP_LEN_MAX),
635 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
636 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
637 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
638 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
639 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
640 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
641 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
642 [NL80211_ATTR_USER_PRIO] =
643 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
644 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
645 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
646 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
647 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
648 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
649 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
650 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
651 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
652 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
653 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
654 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
655 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
656 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
657 .len = VHT_MUMIMO_GROUPS_DATA_LEN
659 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
660 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
661 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
662 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
663 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
664 .len = FILS_MAX_KEK_LEN },
665 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
666 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
667 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
668 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
669 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
670 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
672 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
673 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
674 .len = FILS_ERP_MAX_USERNAME_LEN },
675 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
676 .len = FILS_ERP_MAX_REALM_LEN },
677 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
678 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
679 .len = FILS_ERP_MAX_RRK_LEN },
680 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
681 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
682 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
683 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
684 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
686 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
687 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
688 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
689 [NL80211_ATTR_HE_CAPABILITY] =
690 NLA_POLICY_RANGE(NLA_BINARY,
691 NL80211_HE_MIN_CAPABILITY_LEN,
692 NL80211_HE_MAX_CAPABILITY_LEN),
693 [NL80211_ATTR_FTM_RESPONDER] =
694 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
695 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
696 [NL80211_ATTR_PEER_MEASUREMENTS] =
697 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
698 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
699 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
700 .len = SAE_PASSWORD_MAX_LEN },
701 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
702 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
703 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
704 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
705 [NL80211_ATTR_TID_CONFIG] =
706 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
707 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
708 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
709 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
710 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
711 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
712 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
713 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
714 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
715 [NL80211_ATTR_FILS_DISCOVERY] =
716 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
717 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
718 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
719 [NL80211_ATTR_S1G_CAPABILITY] =
720 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
721 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
722 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
725 /* policy for the key attributes */
726 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
727 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
728 [NL80211_KEY_IDX] = { .type = NLA_U8 },
729 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
730 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
731 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
732 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
733 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
734 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
735 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
738 /* policy for the key default flags */
739 static const struct nla_policy
740 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
741 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
742 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
746 /* policy for WoWLAN attributes */
747 static const struct nla_policy
748 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
749 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
750 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
751 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
752 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
753 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
754 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
755 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
756 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
757 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
758 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
761 static const struct nla_policy
762 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
763 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
764 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
765 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
766 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
767 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
768 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
769 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
770 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
772 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
773 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
775 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
776 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
777 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
779 #endif /* CONFIG_PM */
781 /* policy for coalesce rule attributes */
782 static const struct nla_policy
783 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
784 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
785 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
786 NLA_POLICY_RANGE(NLA_U32,
787 NL80211_COALESCE_CONDITION_MATCH,
788 NL80211_COALESCE_CONDITION_NO_MATCH),
789 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
792 /* policy for GTK rekey offload attributes */
793 static const struct nla_policy
794 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
795 [NL80211_REKEY_DATA_KEK] = {
797 .len = NL80211_KEK_EXT_LEN
799 [NL80211_REKEY_DATA_KCK] = {
801 .len = NL80211_KCK_EXT_LEN
803 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
804 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
807 static const struct nla_policy
808 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
809 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
810 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
811 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
812 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
815 static const struct nla_policy
816 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
817 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
818 .len = IEEE80211_MAX_SSID_LEN },
819 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
820 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
821 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
822 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
825 static const struct nla_policy
826 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
827 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
828 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
831 static const struct nla_policy
832 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
833 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
834 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
835 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
836 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
840 /* policy for NAN function attributes */
841 static const struct nla_policy
842 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
843 [NL80211_NAN_FUNC_TYPE] =
844 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
845 [NL80211_NAN_FUNC_SERVICE_ID] = {
846 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
847 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
848 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
849 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
850 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
851 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
852 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
853 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
854 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
855 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
856 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
857 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
858 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
859 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
860 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
861 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
864 /* policy for Service Response Filter attributes */
865 static const struct nla_policy
866 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
867 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
868 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
869 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
870 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
871 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
874 /* policy for packet pattern attributes */
875 static const struct nla_policy
876 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
877 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
878 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
879 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
882 int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
883 struct cfg80211_registered_device **rdev,
884 struct wireless_dev **wdev)
889 struct nlattr **attrbuf;
891 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
896 err = nlmsg_parse_deprecated(cb->nlh,
897 GENL_HDRLEN + nl80211_fam.hdrsize,
898 attrbuf, nl80211_fam.maxattr,
899 nl80211_policy, NULL);
905 *wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk),
909 return PTR_ERR(*wdev);
910 *rdev = wiphy_to_rdev((*wdev)->wiphy);
911 /* 0 is the first index - add 1 to parse only once */
912 cb->args[0] = (*rdev)->wiphy_idx + 1;
913 cb->args[1] = (*wdev)->identifier;
915 /* subtract the 1 again here */
916 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
917 struct wireless_dev *tmp;
921 *rdev = wiphy_to_rdev(wiphy);
924 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
925 if (tmp->identifier == cb->args[1]) {
938 /* message building helper */
939 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
942 /* since there is no private header just add the generic one */
943 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
946 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
947 const struct ieee80211_reg_rule *rule)
950 struct nlattr *nl_wmm_rules =
951 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
954 goto nla_put_failure;
956 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
957 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
960 goto nla_put_failure;
962 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
963 rule->wmm_rule.client[j].cw_min) ||
964 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
965 rule->wmm_rule.client[j].cw_max) ||
966 nla_put_u8(msg, NL80211_WMMR_AIFSN,
967 rule->wmm_rule.client[j].aifsn) ||
968 nla_put_u16(msg, NL80211_WMMR_TXOP,
969 rule->wmm_rule.client[j].cot))
970 goto nla_put_failure;
972 nla_nest_end(msg, nl_wmm_rule);
974 nla_nest_end(msg, nl_wmm_rules);
982 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
983 struct ieee80211_channel *chan,
986 /* Some channels must be completely excluded from the
987 * list to protect old user-space tools from breaking
989 if (!large && chan->flags &
990 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
992 if (!large && chan->freq_offset)
995 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
997 goto nla_put_failure;
999 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1000 goto nla_put_failure;
1002 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1003 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1004 goto nla_put_failure;
1005 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1006 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1007 goto nla_put_failure;
1008 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1009 goto nla_put_failure;
1011 if (chan->flags & IEEE80211_CHAN_RADAR) {
1012 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1013 goto nla_put_failure;
1017 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1019 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1021 goto nla_put_failure;
1022 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1024 goto nla_put_failure;
1025 if (nla_put_u32(msg,
1026 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1028 goto nla_put_failure;
1033 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1034 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1035 goto nla_put_failure;
1036 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1037 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1038 goto nla_put_failure;
1039 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1040 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1041 goto nla_put_failure;
1042 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1043 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1044 goto nla_put_failure;
1045 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1046 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1047 goto nla_put_failure;
1048 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1049 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
1050 goto nla_put_failure;
1051 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1052 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1053 goto nla_put_failure;
1054 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1055 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1056 goto nla_put_failure;
1057 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1058 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1059 goto nla_put_failure;
1060 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1061 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1062 goto nla_put_failure;
1063 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1064 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1065 goto nla_put_failure;
1066 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1067 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1068 goto nla_put_failure;
1069 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1070 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1071 goto nla_put_failure;
1072 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1073 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1074 goto nla_put_failure;
1077 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1078 DBM_TO_MBM(chan->max_power)))
1079 goto nla_put_failure;
1082 const struct ieee80211_reg_rule *rule =
1083 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
1085 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
1086 if (nl80211_msg_put_wmm_rules(msg, rule))
1087 goto nla_put_failure;
1097 static bool nl80211_put_txq_stats(struct sk_buff *msg,
1098 struct cfg80211_txq_stats *txqstats,
1101 struct nlattr *txqattr;
1103 #define PUT_TXQVAL_U32(attr, memb) do { \
1104 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1105 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1109 txqattr = nla_nest_start_noflag(msg, attrtype);
1113 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1114 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1115 PUT_TXQVAL_U32(FLOWS, flows);
1116 PUT_TXQVAL_U32(DROPS, drops);
1117 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1118 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1119 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1120 PUT_TXQVAL_U32(COLLISIONS, collisions);
1121 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1122 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1123 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1124 nla_nest_end(msg, txqattr);
1126 #undef PUT_TXQVAL_U32
1130 /* netlink command implementations */
1133 struct key_params p;
1136 bool def, defmgmt, defbeacon;
1137 bool def_uni, def_multi;
1140 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1141 struct key_parse *k)
1143 struct nlattr *tb[NL80211_KEY_MAX + 1];
1144 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1150 k->def = !!tb[NL80211_KEY_DEFAULT];
1151 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1152 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
1156 k->def_multi = true;
1158 if (k->defmgmt || k->defbeacon)
1159 k->def_multi = true;
1161 if (tb[NL80211_KEY_IDX])
1162 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1164 if (tb[NL80211_KEY_DATA]) {
1165 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1166 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1169 if (tb[NL80211_KEY_SEQ]) {
1170 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1171 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1174 if (tb[NL80211_KEY_CIPHER])
1175 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1177 if (tb[NL80211_KEY_TYPE])
1178 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1180 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1181 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1183 err = nla_parse_nested_deprecated(kdt,
1184 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1185 tb[NL80211_KEY_DEFAULT_TYPES],
1186 nl80211_key_default_policy,
1191 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1192 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1195 if (tb[NL80211_KEY_MODE])
1196 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1201 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1203 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1204 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1205 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1208 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1209 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1210 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1213 if (info->attrs[NL80211_ATTR_KEY_IDX])
1214 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1216 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1217 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1219 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1220 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1224 k->def_multi = true;
1227 k->def_multi = true;
1229 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1230 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1232 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1233 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1234 int err = nla_parse_nested_deprecated(kdt,
1235 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1236 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1237 nl80211_key_default_policy,
1242 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1243 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1249 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1253 memset(k, 0, sizeof(*k));
1257 if (info->attrs[NL80211_ATTR_KEY])
1258 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1260 err = nl80211_parse_key_old(info, k);
1265 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1266 (k->defbeacon ? 1 : 0) > 1) {
1267 GENL_SET_ERR_MSG(info,
1268 "key with multiple default flags is invalid");
1272 if (k->defmgmt || k->defbeacon) {
1273 if (k->def_uni || !k->def_multi) {
1274 GENL_SET_ERR_MSG(info,
1275 "defmgmt/defbeacon key must be mcast");
1282 if (k->idx < 4 || k->idx > 5) {
1283 GENL_SET_ERR_MSG(info,
1284 "defmgmt key idx not 4 or 5");
1287 } else if (k->defbeacon) {
1288 if (k->idx < 6 || k->idx > 7) {
1289 GENL_SET_ERR_MSG(info,
1290 "defbeacon key idx not 6 or 7");
1293 } else if (k->def) {
1294 if (k->idx < 0 || k->idx > 3) {
1295 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1299 if (k->idx < 0 || k->idx > 7) {
1300 GENL_SET_ERR_MSG(info, "key idx not 0-7");
1309 static struct cfg80211_cached_keys *
1310 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1311 struct genl_info *info, bool *no_ht)
1313 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1314 struct key_parse parse;
1316 struct cfg80211_cached_keys *result;
1317 int rem, err, def = 0;
1318 bool have_key = false;
1320 nla_for_each_nested(key, keys, rem) {
1328 result = kzalloc(sizeof(*result), GFP_KERNEL);
1330 return ERR_PTR(-ENOMEM);
1334 nla_for_each_nested(key, keys, rem) {
1335 memset(&parse, 0, sizeof(parse));
1338 err = nl80211_parse_key_new(info, key, &parse);
1344 if (parse.idx < 0 || parse.idx > 3) {
1345 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1350 GENL_SET_ERR_MSG(info,
1351 "only one key can be default");
1355 result->def = parse.idx;
1356 if (!parse.def_uni || !parse.def_multi)
1358 } else if (parse.defmgmt)
1360 err = cfg80211_validate_key_settings(rdev, &parse.p,
1361 parse.idx, false, NULL);
1364 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1365 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1366 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1370 result->params[parse.idx].cipher = parse.p.cipher;
1371 result->params[parse.idx].key_len = parse.p.key_len;
1372 result->params[parse.idx].key = result->data[parse.idx];
1373 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1375 /* must be WEP key if we got here */
1380 if (result->def < 0) {
1382 GENL_SET_ERR_MSG(info, "need a default/TX key");
1389 return ERR_PTR(err);
1392 static int nl80211_key_allowed(struct wireless_dev *wdev)
1394 ASSERT_WDEV_LOCK(wdev);
1396 switch (wdev->iftype) {
1397 case NL80211_IFTYPE_AP:
1398 case NL80211_IFTYPE_AP_VLAN:
1399 case NL80211_IFTYPE_P2P_GO:
1400 case NL80211_IFTYPE_MESH_POINT:
1402 case NL80211_IFTYPE_ADHOC:
1403 case NL80211_IFTYPE_STATION:
1404 case NL80211_IFTYPE_P2P_CLIENT:
1405 if (!wdev->current_bss)
1408 case NL80211_IFTYPE_UNSPECIFIED:
1409 case NL80211_IFTYPE_OCB:
1410 case NL80211_IFTYPE_MONITOR:
1411 case NL80211_IFTYPE_NAN:
1412 case NL80211_IFTYPE_P2P_DEVICE:
1413 case NL80211_IFTYPE_WDS:
1414 case NUM_NL80211_IFTYPES:
1421 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1424 struct ieee80211_channel *chan;
1426 chan = ieee80211_get_channel_khz(wiphy, freq);
1427 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1432 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1434 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1438 goto nla_put_failure;
1442 if ((ifmodes & 1) && nla_put_flag(msg, i))
1443 goto nla_put_failure;
1448 nla_nest_end(msg, nl_modes);
1455 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1456 struct sk_buff *msg,
1459 struct nlattr *nl_combis;
1462 nl_combis = nla_nest_start_noflag(msg,
1463 NL80211_ATTR_INTERFACE_COMBINATIONS);
1465 goto nla_put_failure;
1467 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1468 const struct ieee80211_iface_combination *c;
1469 struct nlattr *nl_combi, *nl_limits;
1471 c = &wiphy->iface_combinations[i];
1473 nl_combi = nla_nest_start_noflag(msg, i + 1);
1475 goto nla_put_failure;
1477 nl_limits = nla_nest_start_noflag(msg,
1478 NL80211_IFACE_COMB_LIMITS);
1480 goto nla_put_failure;
1482 for (j = 0; j < c->n_limits; j++) {
1483 struct nlattr *nl_limit;
1485 nl_limit = nla_nest_start_noflag(msg, j + 1);
1487 goto nla_put_failure;
1488 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1490 goto nla_put_failure;
1491 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1492 c->limits[j].types))
1493 goto nla_put_failure;
1494 nla_nest_end(msg, nl_limit);
1497 nla_nest_end(msg, nl_limits);
1499 if (c->beacon_int_infra_match &&
1500 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1501 goto nla_put_failure;
1502 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1503 c->num_different_channels) ||
1504 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1506 goto nla_put_failure;
1508 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1509 c->radar_detect_widths) ||
1510 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1511 c->radar_detect_regions)))
1512 goto nla_put_failure;
1513 if (c->beacon_int_min_gcd &&
1514 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1515 c->beacon_int_min_gcd))
1516 goto nla_put_failure;
1518 nla_nest_end(msg, nl_combi);
1521 nla_nest_end(msg, nl_combis);
1529 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1530 struct sk_buff *msg)
1532 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1533 struct nlattr *nl_tcp;
1538 nl_tcp = nla_nest_start_noflag(msg,
1539 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1543 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1544 tcp->data_payload_max))
1547 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1548 tcp->data_payload_max))
1551 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1554 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1555 sizeof(*tcp->tok), tcp->tok))
1558 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1559 tcp->data_interval_max))
1562 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1563 tcp->wake_payload_max))
1566 nla_nest_end(msg, nl_tcp);
1570 static int nl80211_send_wowlan(struct sk_buff *msg,
1571 struct cfg80211_registered_device *rdev,
1574 struct nlattr *nl_wowlan;
1576 if (!rdev->wiphy.wowlan)
1579 nl_wowlan = nla_nest_start_noflag(msg,
1580 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1584 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1585 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1586 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1587 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1588 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1589 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1590 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1591 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1592 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1593 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1594 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1595 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1596 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1597 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1598 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1599 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1602 if (rdev->wiphy.wowlan->n_patterns) {
1603 struct nl80211_pattern_support pat = {
1604 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1605 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1606 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1607 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1610 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1615 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1616 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1617 rdev->wiphy.wowlan->max_nd_match_sets))
1620 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1623 nla_nest_end(msg, nl_wowlan);
1629 static int nl80211_send_coalesce(struct sk_buff *msg,
1630 struct cfg80211_registered_device *rdev)
1632 struct nl80211_coalesce_rule_support rule;
1634 if (!rdev->wiphy.coalesce)
1637 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1638 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1639 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1640 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1641 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1642 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1644 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1651 nl80211_send_iftype_data(struct sk_buff *msg,
1652 const struct ieee80211_supported_band *sband,
1653 const struct ieee80211_sband_iftype_data *iftdata)
1655 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1657 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1658 iftdata->types_mask))
1661 if (he_cap->has_he) {
1662 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1663 sizeof(he_cap->he_cap_elem.mac_cap_info),
1664 he_cap->he_cap_elem.mac_cap_info) ||
1665 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1666 sizeof(he_cap->he_cap_elem.phy_cap_info),
1667 he_cap->he_cap_elem.phy_cap_info) ||
1668 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1669 sizeof(he_cap->he_mcs_nss_supp),
1670 &he_cap->he_mcs_nss_supp) ||
1671 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1672 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1676 if (sband->band == NL80211_BAND_6GHZ &&
1677 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1678 sizeof(iftdata->he_6ghz_capa),
1679 &iftdata->he_6ghz_capa))
1685 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1686 struct ieee80211_supported_band *sband,
1689 struct nlattr *nl_rates, *nl_rate;
1690 struct ieee80211_rate *rate;
1694 if (sband->ht_cap.ht_supported &&
1695 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1696 sizeof(sband->ht_cap.mcs),
1697 &sband->ht_cap.mcs) ||
1698 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1699 sband->ht_cap.cap) ||
1700 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1701 sband->ht_cap.ampdu_factor) ||
1702 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1703 sband->ht_cap.ampdu_density)))
1707 if (sband->vht_cap.vht_supported &&
1708 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1709 sizeof(sband->vht_cap.vht_mcs),
1710 &sband->vht_cap.vht_mcs) ||
1711 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1712 sband->vht_cap.cap)))
1715 if (large && sband->n_iftype_data) {
1716 struct nlattr *nl_iftype_data =
1717 nla_nest_start_noflag(msg,
1718 NL80211_BAND_ATTR_IFTYPE_DATA);
1721 if (!nl_iftype_data)
1724 for (i = 0; i < sband->n_iftype_data; i++) {
1725 struct nlattr *iftdata;
1727 iftdata = nla_nest_start_noflag(msg, i + 1);
1731 err = nl80211_send_iftype_data(msg, sband,
1732 &sband->iftype_data[i]);
1736 nla_nest_end(msg, iftdata);
1739 nla_nest_end(msg, nl_iftype_data);
1743 if (large && sband->edmg_cap.channels &&
1744 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1745 sband->edmg_cap.channels) ||
1746 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1747 sband->edmg_cap.bw_config)))
1752 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1756 for (i = 0; i < sband->n_bitrates; i++) {
1757 nl_rate = nla_nest_start_noflag(msg, i);
1761 rate = &sband->bitrates[i];
1762 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1765 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1767 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1770 nla_nest_end(msg, nl_rate);
1773 nla_nest_end(msg, nl_rates);
1779 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1780 const struct ieee80211_txrx_stypes *mgmt_stypes)
1783 struct nlattr *nl_ftypes, *nl_ifs;
1784 enum nl80211_iftype ift;
1790 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1794 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1795 nl_ftypes = nla_nest_start_noflag(msg, ift);
1799 stypes = mgmt_stypes[ift].tx;
1802 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1803 (i << 4) | IEEE80211_FTYPE_MGMT))
1808 nla_nest_end(msg, nl_ftypes);
1811 nla_nest_end(msg, nl_ifs);
1813 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1817 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1818 nl_ftypes = nla_nest_start_noflag(msg, ift);
1822 stypes = mgmt_stypes[ift].rx;
1825 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1826 (i << 4) | IEEE80211_FTYPE_MGMT))
1831 nla_nest_end(msg, nl_ftypes);
1833 nla_nest_end(msg, nl_ifs);
1838 #define CMD(op, n) \
1840 if (rdev->ops->op) { \
1842 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1843 goto nla_put_failure; \
1847 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1848 struct sk_buff *msg)
1853 * do *NOT* add anything into this function, new things need to be
1854 * advertised only to new versions of userspace that can deal with
1855 * the split (and they can't possibly care about new features...
1857 CMD(add_virtual_intf, NEW_INTERFACE);
1858 CMD(change_virtual_intf, SET_INTERFACE);
1859 CMD(add_key, NEW_KEY);
1860 CMD(start_ap, START_AP);
1861 CMD(add_station, NEW_STATION);
1862 CMD(add_mpath, NEW_MPATH);
1863 CMD(update_mesh_config, SET_MESH_CONFIG);
1864 CMD(change_bss, SET_BSS);
1865 CMD(auth, AUTHENTICATE);
1866 CMD(assoc, ASSOCIATE);
1867 CMD(deauth, DEAUTHENTICATE);
1868 CMD(disassoc, DISASSOCIATE);
1869 CMD(join_ibss, JOIN_IBSS);
1870 CMD(join_mesh, JOIN_MESH);
1871 CMD(set_pmksa, SET_PMKSA);
1872 CMD(del_pmksa, DEL_PMKSA);
1873 CMD(flush_pmksa, FLUSH_PMKSA);
1874 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1875 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1876 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1877 CMD(mgmt_tx, FRAME);
1878 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1879 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1881 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1882 goto nla_put_failure;
1884 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1885 rdev->ops->join_mesh) {
1887 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1888 goto nla_put_failure;
1890 CMD(set_wds_peer, SET_WDS_PEER);
1891 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1892 CMD(tdls_mgmt, TDLS_MGMT);
1893 CMD(tdls_oper, TDLS_OPER);
1895 if (rdev->wiphy.max_sched_scan_reqs)
1896 CMD(sched_scan_start, START_SCHED_SCAN);
1897 CMD(probe_client, PROBE_CLIENT);
1898 CMD(set_noack_map, SET_NOACK_MAP);
1899 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1901 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1902 goto nla_put_failure;
1904 CMD(start_p2p_device, START_P2P_DEVICE);
1905 CMD(set_mcast_rate, SET_MCAST_RATE);
1906 #ifdef CONFIG_NL80211_TESTMODE
1907 CMD(testmode_cmd, TESTMODE);
1910 if (rdev->ops->connect || rdev->ops->auth) {
1912 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1913 goto nla_put_failure;
1916 if (rdev->ops->disconnect || rdev->ops->deauth) {
1918 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1919 goto nla_put_failure;
1928 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1929 struct sk_buff *msg)
1933 if (!cap->ftm.supported)
1936 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
1940 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1942 if (cap->ftm.non_asap &&
1943 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1945 if (cap->ftm.request_lci &&
1946 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1948 if (cap->ftm.request_civicloc &&
1949 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1951 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1952 cap->ftm.preambles))
1954 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1955 cap->ftm.bandwidths))
1957 if (cap->ftm.max_bursts_exponent >= 0 &&
1958 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1959 cap->ftm.max_bursts_exponent))
1961 if (cap->ftm.max_ftms_per_burst &&
1962 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1963 cap->ftm.max_ftms_per_burst))
1965 if (cap->ftm.trigger_based &&
1966 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
1968 if (cap->ftm.non_trigger_based &&
1969 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
1972 nla_nest_end(msg, ftm);
1976 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1977 struct sk_buff *msg)
1979 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1980 struct nlattr *pmsr, *caps;
1986 * we don't need to clean up anything here since the caller
1987 * will genlmsg_cancel() if we fail
1990 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
1994 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
1997 if (cap->report_ap_tsf &&
1998 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2001 if (cap->randomize_mac_addr &&
2002 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2005 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
2009 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2012 nla_nest_end(msg, caps);
2013 nla_nest_end(msg, pmsr);
2019 nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2020 struct sk_buff *msg)
2023 struct nlattr *nested, *nested_akms;
2024 const struct wiphy_iftype_akm_suites *iftype_akms;
2026 if (!rdev->wiphy.num_iftype_akm_suites ||
2027 !rdev->wiphy.iftype_akm_suites)
2030 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2034 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2035 nested_akms = nla_nest_start(msg, i + 1);
2039 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2041 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2042 iftype_akms->iftypes_mask))
2045 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2046 sizeof(u32) * iftype_akms->n_akm_suites,
2047 iftype_akms->akm_suites)) {
2050 nla_nest_end(msg, nested_akms);
2053 nla_nest_end(msg, nested);
2059 nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2060 struct sk_buff *msg)
2062 struct nlattr *supp;
2064 if (!rdev->wiphy.tid_config_support.vif &&
2065 !rdev->wiphy.tid_config_support.peer)
2068 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2072 if (rdev->wiphy.tid_config_support.vif &&
2073 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2074 rdev->wiphy.tid_config_support.vif,
2075 NL80211_TID_CONFIG_ATTR_PAD))
2078 if (rdev->wiphy.tid_config_support.peer &&
2079 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2080 rdev->wiphy.tid_config_support.peer,
2081 NL80211_TID_CONFIG_ATTR_PAD))
2084 /* for now we just use the same value ... makes more sense */
2085 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2086 rdev->wiphy.tid_config_support.max_retry))
2088 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2089 rdev->wiphy.tid_config_support.max_retry))
2092 nla_nest_end(msg, supp);
2096 nla_nest_cancel(msg, supp);
2100 struct nl80211_dump_wiphy_state {
2103 long split_start, band_start, chan_start, capa_start;
2107 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
2108 enum nl80211_commands cmd,
2109 struct sk_buff *msg, u32 portid, u32 seq,
2110 int flags, struct nl80211_dump_wiphy_state *state)
2113 struct nlattr *nl_bands, *nl_band;
2114 struct nlattr *nl_freqs, *nl_freq;
2115 struct nlattr *nl_cmds;
2116 enum nl80211_band band;
2117 struct ieee80211_channel *chan;
2119 const struct ieee80211_txrx_stypes *mgmt_stypes =
2120 rdev->wiphy.mgmt_stypes;
2123 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2127 if (WARN_ON(!state))
2130 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2131 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
2132 wiphy_name(&rdev->wiphy)) ||
2133 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2134 cfg80211_rdev_list_generation))
2135 goto nla_put_failure;
2137 if (cmd != NL80211_CMD_NEW_WIPHY)
2140 switch (state->split_start) {
2142 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
2143 rdev->wiphy.retry_short) ||
2144 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
2145 rdev->wiphy.retry_long) ||
2146 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
2147 rdev->wiphy.frag_threshold) ||
2148 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
2149 rdev->wiphy.rts_threshold) ||
2150 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
2151 rdev->wiphy.coverage_class) ||
2152 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
2153 rdev->wiphy.max_scan_ssids) ||
2154 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
2155 rdev->wiphy.max_sched_scan_ssids) ||
2156 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
2157 rdev->wiphy.max_scan_ie_len) ||
2158 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
2159 rdev->wiphy.max_sched_scan_ie_len) ||
2160 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
2161 rdev->wiphy.max_match_sets))
2162 goto nla_put_failure;
2164 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
2165 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
2166 goto nla_put_failure;
2167 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
2168 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2169 goto nla_put_failure;
2170 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2171 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2172 goto nla_put_failure;
2173 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
2174 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2175 goto nla_put_failure;
2176 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2177 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2178 goto nla_put_failure;
2179 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
2180 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
2181 goto nla_put_failure;
2182 state->split_start++;
2187 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
2188 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2189 rdev->wiphy.cipher_suites))
2190 goto nla_put_failure;
2192 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
2193 rdev->wiphy.max_num_pmkids))
2194 goto nla_put_failure;
2196 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
2197 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
2198 goto nla_put_failure;
2200 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
2201 rdev->wiphy.available_antennas_tx) ||
2202 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2203 rdev->wiphy.available_antennas_rx))
2204 goto nla_put_failure;
2206 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2207 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2208 rdev->wiphy.probe_resp_offload))
2209 goto nla_put_failure;
2211 if ((rdev->wiphy.available_antennas_tx ||
2212 rdev->wiphy.available_antennas_rx) &&
2213 rdev->ops->get_antenna) {
2214 u32 tx_ant = 0, rx_ant = 0;
2217 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2219 if (nla_put_u32(msg,
2220 NL80211_ATTR_WIPHY_ANTENNA_TX,
2223 NL80211_ATTR_WIPHY_ANTENNA_RX,
2225 goto nla_put_failure;
2229 state->split_start++;
2234 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2235 rdev->wiphy.interface_modes))
2236 goto nla_put_failure;
2237 state->split_start++;
2242 nl_bands = nla_nest_start_noflag(msg,
2243 NL80211_ATTR_WIPHY_BANDS);
2245 goto nla_put_failure;
2247 for (band = state->band_start;
2248 band < NUM_NL80211_BANDS; band++) {
2249 struct ieee80211_supported_band *sband;
2251 /* omit higher bands for ancient software */
2252 if (band > NL80211_BAND_5GHZ && !state->split)
2255 sband = rdev->wiphy.bands[band];
2260 nl_band = nla_nest_start_noflag(msg, band);
2262 goto nla_put_failure;
2264 switch (state->chan_start) {
2266 if (nl80211_send_band_rateinfo(msg, sband,
2268 goto nla_put_failure;
2269 state->chan_start++;
2274 /* add frequencies */
2275 nl_freqs = nla_nest_start_noflag(msg,
2276 NL80211_BAND_ATTR_FREQS);
2278 goto nla_put_failure;
2280 for (i = state->chan_start - 1;
2281 i < sband->n_channels;
2283 nl_freq = nla_nest_start_noflag(msg,
2286 goto nla_put_failure;
2288 chan = &sband->channels[i];
2290 if (nl80211_msg_put_channel(
2291 msg, &rdev->wiphy, chan,
2293 goto nla_put_failure;
2295 nla_nest_end(msg, nl_freq);
2299 if (i < sband->n_channels)
2300 state->chan_start = i + 2;
2302 state->chan_start = 0;
2303 nla_nest_end(msg, nl_freqs);
2306 nla_nest_end(msg, nl_band);
2309 /* start again here */
2310 if (state->chan_start)
2315 nla_nest_end(msg, nl_bands);
2317 if (band < NUM_NL80211_BANDS)
2318 state->band_start = band + 1;
2320 state->band_start = 0;
2322 /* if bands & channels are done, continue outside */
2323 if (state->band_start == 0 && state->chan_start == 0)
2324 state->split_start++;
2329 nl_cmds = nla_nest_start_noflag(msg,
2330 NL80211_ATTR_SUPPORTED_COMMANDS);
2332 goto nla_put_failure;
2334 i = nl80211_add_commands_unsplit(rdev, msg);
2336 goto nla_put_failure;
2338 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2339 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2340 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2341 CMD(channel_switch, CHANNEL_SWITCH);
2342 CMD(set_qos_map, SET_QOS_MAP);
2343 if (rdev->wiphy.features &
2344 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2345 CMD(add_tx_ts, ADD_TX_TS);
2346 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2347 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2348 CMD(update_ft_ies, UPDATE_FT_IES);
2352 nla_nest_end(msg, nl_cmds);
2353 state->split_start++;
2358 if (rdev->ops->remain_on_channel &&
2359 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2361 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2362 rdev->wiphy.max_remain_on_channel_duration))
2363 goto nla_put_failure;
2365 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2366 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2367 goto nla_put_failure;
2369 state->split_start++;
2375 if (nl80211_send_wowlan(msg, rdev, state->split))
2376 goto nla_put_failure;
2377 state->split_start++;
2381 state->split_start++;
2385 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2386 rdev->wiphy.software_iftypes))
2387 goto nla_put_failure;
2389 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2391 goto nla_put_failure;
2393 state->split_start++;
2398 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2399 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2400 rdev->wiphy.ap_sme_capa))
2401 goto nla_put_failure;
2403 features = rdev->wiphy.features;
2405 * We can only add the per-channel limit information if the
2406 * dump is split, otherwise it makes it too big. Therefore
2407 * only advertise it in that case.
2410 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2411 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2412 goto nla_put_failure;
2414 if (rdev->wiphy.ht_capa_mod_mask &&
2415 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2416 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2417 rdev->wiphy.ht_capa_mod_mask))
2418 goto nla_put_failure;
2420 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2421 rdev->wiphy.max_acl_mac_addrs &&
2422 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2423 rdev->wiphy.max_acl_mac_addrs))
2424 goto nla_put_failure;
2427 * Any information below this point is only available to
2428 * applications that can deal with it being split. This
2429 * helps ensure that newly added capabilities don't break
2430 * older tools by overrunning their buffers.
2432 * We still increment split_start so that in the split
2433 * case we'll continue with more data in the next round,
2434 * but break unconditionally so unsplit data stops here.
2437 state->split_start++;
2439 state->split_start = 0;
2442 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2443 goto nla_put_failure;
2445 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2446 rdev->wiphy.max_sched_scan_plans) ||
2447 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2448 rdev->wiphy.max_sched_scan_plan_interval) ||
2449 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2450 rdev->wiphy.max_sched_scan_plan_iterations))
2451 goto nla_put_failure;
2453 if (rdev->wiphy.extended_capabilities &&
2454 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2455 rdev->wiphy.extended_capabilities_len,
2456 rdev->wiphy.extended_capabilities) ||
2457 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2458 rdev->wiphy.extended_capabilities_len,
2459 rdev->wiphy.extended_capabilities_mask)))
2460 goto nla_put_failure;
2462 if (rdev->wiphy.vht_capa_mod_mask &&
2463 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2464 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2465 rdev->wiphy.vht_capa_mod_mask))
2466 goto nla_put_failure;
2468 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2469 rdev->wiphy.perm_addr))
2470 goto nla_put_failure;
2472 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2473 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2474 rdev->wiphy.addr_mask))
2475 goto nla_put_failure;
2477 if (rdev->wiphy.n_addresses > 1) {
2480 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2482 goto nla_put_failure;
2484 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2485 if (nla_put(msg, i + 1, ETH_ALEN,
2486 rdev->wiphy.addresses[i].addr))
2487 goto nla_put_failure;
2489 nla_nest_end(msg, attr);
2492 state->split_start++;
2495 if (nl80211_send_coalesce(msg, rdev))
2496 goto nla_put_failure;
2498 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2499 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2500 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2501 goto nla_put_failure;
2503 if (rdev->wiphy.max_ap_assoc_sta &&
2504 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2505 rdev->wiphy.max_ap_assoc_sta))
2506 goto nla_put_failure;
2508 state->split_start++;
2511 if (rdev->wiphy.n_vendor_commands) {
2512 const struct nl80211_vendor_cmd_info *info;
2513 struct nlattr *nested;
2515 nested = nla_nest_start_noflag(msg,
2516 NL80211_ATTR_VENDOR_DATA);
2518 goto nla_put_failure;
2520 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2521 info = &rdev->wiphy.vendor_commands[i].info;
2522 if (nla_put(msg, i + 1, sizeof(*info), info))
2523 goto nla_put_failure;
2525 nla_nest_end(msg, nested);
2528 if (rdev->wiphy.n_vendor_events) {
2529 const struct nl80211_vendor_cmd_info *info;
2530 struct nlattr *nested;
2532 nested = nla_nest_start_noflag(msg,
2533 NL80211_ATTR_VENDOR_EVENTS);
2535 goto nla_put_failure;
2537 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2538 info = &rdev->wiphy.vendor_events[i];
2539 if (nla_put(msg, i + 1, sizeof(*info), info))
2540 goto nla_put_failure;
2542 nla_nest_end(msg, nested);
2544 state->split_start++;
2547 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2548 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2549 rdev->wiphy.max_num_csa_counters))
2550 goto nla_put_failure;
2552 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2553 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2554 goto nla_put_failure;
2556 if (rdev->wiphy.max_sched_scan_reqs &&
2557 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2558 rdev->wiphy.max_sched_scan_reqs))
2559 goto nla_put_failure;
2561 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2562 sizeof(rdev->wiphy.ext_features),
2563 rdev->wiphy.ext_features))
2564 goto nla_put_failure;
2566 if (rdev->wiphy.bss_select_support) {
2567 struct nlattr *nested;
2568 u32 bss_select_support = rdev->wiphy.bss_select_support;
2570 nested = nla_nest_start_noflag(msg,
2571 NL80211_ATTR_BSS_SELECT);
2573 goto nla_put_failure;
2576 while (bss_select_support) {
2577 if ((bss_select_support & 1) &&
2578 nla_put_flag(msg, i))
2579 goto nla_put_failure;
2581 bss_select_support >>= 1;
2583 nla_nest_end(msg, nested);
2586 state->split_start++;
2589 if (rdev->wiphy.num_iftype_ext_capab &&
2590 rdev->wiphy.iftype_ext_capab) {
2591 struct nlattr *nested_ext_capab, *nested;
2593 nested = nla_nest_start_noflag(msg,
2594 NL80211_ATTR_IFTYPE_EXT_CAPA);
2596 goto nla_put_failure;
2598 for (i = state->capa_start;
2599 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2600 const struct wiphy_iftype_ext_capab *capab;
2602 capab = &rdev->wiphy.iftype_ext_capab[i];
2604 nested_ext_capab = nla_nest_start_noflag(msg,
2606 if (!nested_ext_capab ||
2607 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2609 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2610 capab->extended_capabilities_len,
2611 capab->extended_capabilities) ||
2612 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2613 capab->extended_capabilities_len,
2614 capab->extended_capabilities_mask))
2615 goto nla_put_failure;
2617 nla_nest_end(msg, nested_ext_capab);
2621 nla_nest_end(msg, nested);
2622 if (i < rdev->wiphy.num_iftype_ext_capab) {
2623 state->capa_start = i + 1;
2628 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2629 rdev->wiphy.nan_supported_bands))
2630 goto nla_put_failure;
2632 if (wiphy_ext_feature_isset(&rdev->wiphy,
2633 NL80211_EXT_FEATURE_TXQS)) {
2634 struct cfg80211_txq_stats txqstats = {};
2637 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2639 !nl80211_put_txq_stats(msg, &txqstats,
2640 NL80211_ATTR_TXQ_STATS))
2641 goto nla_put_failure;
2643 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2644 rdev->wiphy.txq_limit))
2645 goto nla_put_failure;
2646 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2647 rdev->wiphy.txq_memory_limit))
2648 goto nla_put_failure;
2649 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2650 rdev->wiphy.txq_quantum))
2651 goto nla_put_failure;
2654 state->split_start++;
2657 if (nl80211_send_pmsr_capa(rdev, msg))
2658 goto nla_put_failure;
2660 state->split_start++;
2663 if (rdev->wiphy.akm_suites &&
2664 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2665 sizeof(u32) * rdev->wiphy.n_akm_suites,
2666 rdev->wiphy.akm_suites))
2667 goto nla_put_failure;
2669 if (nl80211_put_iftype_akm_suites(rdev, msg))
2670 goto nla_put_failure;
2672 if (nl80211_put_tid_config_support(rdev, msg))
2673 goto nla_put_failure;
2676 state->split_start = 0;
2680 genlmsg_end(msg, hdr);
2684 genlmsg_cancel(msg, hdr);
2688 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2689 struct netlink_callback *cb,
2690 struct nl80211_dump_wiphy_state *state)
2692 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2698 ret = nlmsg_parse_deprecated(cb->nlh,
2699 GENL_HDRLEN + nl80211_fam.hdrsize,
2700 tb, nl80211_fam.maxattr,
2701 nl80211_policy, NULL);
2702 /* ignore parse errors for backward compatibility */
2708 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2709 if (tb[NL80211_ATTR_WIPHY])
2710 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2711 if (tb[NL80211_ATTR_WDEV])
2712 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2713 if (tb[NL80211_ATTR_IFINDEX]) {
2714 struct net_device *netdev;
2715 struct cfg80211_registered_device *rdev;
2716 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2718 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2723 if (netdev->ieee80211_ptr) {
2724 rdev = wiphy_to_rdev(
2725 netdev->ieee80211_ptr->wiphy);
2726 state->filter_wiphy = rdev->wiphy_idx;
2736 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2739 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2740 struct cfg80211_registered_device *rdev;
2744 state = kzalloc(sizeof(*state), GFP_KERNEL);
2749 state->filter_wiphy = -1;
2750 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2756 cb->args[0] = (long)state;
2759 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2760 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2762 if (++idx <= state->start)
2764 if (state->filter_wiphy != -1 &&
2765 state->filter_wiphy != rdev->wiphy_idx)
2767 /* attempt to fit multiple wiphy data chunks into the skb */
2769 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2771 NETLINK_CB(cb->skb).portid,
2773 NLM_F_MULTI, state);
2776 * If sending the wiphy data didn't fit (ENOBUFS
2777 * or EMSGSIZE returned), this SKB is still
2778 * empty (so it's not too big because another
2779 * wiphy dataset is already in the skb) and
2780 * we've not tried to adjust the dump allocation
2781 * yet ... then adjust the alloc size to be
2782 * bigger, and return 1 but with the empty skb.
2783 * This results in an empty message being RX'ed
2784 * in userspace, but that is ignored.
2786 * We can then retry with the larger buffer.
2788 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2789 !skb->len && !state->split &&
2790 cb->min_dump_alloc < 4096) {
2791 cb->min_dump_alloc = 4096;
2792 state->split_start = 0;
2799 } while (state->split_start > 0);
2809 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2811 kfree((void *)cb->args[0]);
2815 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2817 struct sk_buff *msg;
2818 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2819 struct nl80211_dump_wiphy_state state = {};
2821 msg = nlmsg_new(4096, GFP_KERNEL);
2825 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2826 info->snd_portid, info->snd_seq, 0,
2832 return genlmsg_reply(msg, info);
2835 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2836 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2837 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2838 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2839 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2840 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2843 static int parse_txq_params(struct nlattr *tb[],
2844 struct ieee80211_txq_params *txq_params)
2848 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2849 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2850 !tb[NL80211_TXQ_ATTR_AIFS])
2853 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2854 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2855 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2856 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2857 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2859 if (ac >= NL80211_NUM_ACS)
2861 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2865 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2868 * You can only set the channel explicitly for WDS interfaces,
2869 * all others have their channel managed via their respective
2870 * "establish a connection" command (connect, join, ...)
2872 * For AP/GO and mesh mode, the channel can be set with the
2873 * channel userspace API, but is only stored and passed to the
2874 * low-level driver when the AP starts or the mesh is joined.
2875 * This is for backward compatibility, userspace can also give
2876 * the channel in the start-ap or join-mesh commands instead.
2878 * Monitors are special as they are normally slaved to
2879 * whatever else is going on, so they have their own special
2880 * operation to set the monitor channel if possible.
2883 wdev->iftype == NL80211_IFTYPE_AP ||
2884 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2885 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2886 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2889 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2890 struct genl_info *info,
2891 struct cfg80211_chan_def *chandef)
2893 struct netlink_ext_ack *extack = info->extack;
2894 struct nlattr **attrs = info->attrs;
2897 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
2900 control_freq = MHZ_TO_KHZ(
2901 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
2902 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
2904 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
2906 memset(chandef, 0, sizeof(*chandef));
2907 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
2908 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2909 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
2910 chandef->freq1_offset = control_freq % 1000;
2911 chandef->center_freq2 = 0;
2913 /* Primary channel not allowed */
2914 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2915 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2916 "Channel is disabled");
2920 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2921 enum nl80211_channel_type chantype;
2923 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2926 case NL80211_CHAN_NO_HT:
2927 case NL80211_CHAN_HT20:
2928 case NL80211_CHAN_HT40PLUS:
2929 case NL80211_CHAN_HT40MINUS:
2930 cfg80211_chandef_create(chandef, chandef->chan,
2932 /* user input for center_freq is incorrect */
2933 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
2934 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
2935 NL_SET_ERR_MSG_ATTR(extack,
2936 attrs[NL80211_ATTR_CENTER_FREQ1],
2937 "bad center frequency 1");
2940 /* center_freq2 must be zero */
2941 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
2942 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
2943 NL_SET_ERR_MSG_ATTR(extack,
2944 attrs[NL80211_ATTR_CENTER_FREQ2],
2945 "center frequency 2 can't be used");
2950 NL_SET_ERR_MSG_ATTR(extack,
2951 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2952 "invalid channel type");
2955 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
2957 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2958 if (chandef->chan->band == NL80211_BAND_S1GHZ) {
2959 /* User input error for channel width doesn't match channel */
2960 if (chandef->width != ieee80211_s1g_channel_width(chandef->chan)) {
2961 NL_SET_ERR_MSG_ATTR(extack,
2962 attrs[NL80211_ATTR_CHANNEL_WIDTH],
2963 "bad channel width");
2967 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
2968 chandef->center_freq1 =
2969 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
2970 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
2971 chandef->freq1_offset = nla_get_u32(
2972 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
2974 chandef->freq1_offset = 0;
2976 if (attrs[NL80211_ATTR_CENTER_FREQ2])
2977 chandef->center_freq2 =
2978 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
2981 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
2982 chandef->edmg.channels =
2983 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
2985 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
2986 chandef->edmg.bw_config =
2987 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
2989 chandef->edmg.bw_config = 0;
2990 chandef->edmg.channels = 0;
2993 if (!cfg80211_chandef_valid(chandef)) {
2994 NL_SET_ERR_MSG(extack, "invalid channel definition");
2998 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
2999 IEEE80211_CHAN_DISABLED)) {
3000 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3004 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3005 chandef->width == NL80211_CHAN_WIDTH_10) &&
3006 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3007 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
3014 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
3015 struct net_device *dev,
3016 struct genl_info *info)
3018 struct cfg80211_chan_def chandef;
3020 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
3021 struct wireless_dev *wdev = NULL;
3024 wdev = dev->ieee80211_ptr;
3025 if (!nl80211_can_set_dev_channel(wdev))
3028 iftype = wdev->iftype;
3030 result = nl80211_parse_chandef(rdev, info, &chandef);
3035 case NL80211_IFTYPE_AP:
3036 case NL80211_IFTYPE_P2P_GO:
3037 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3042 if (wdev->beacon_interval) {
3043 if (!dev || !rdev->ops->set_ap_chanwidth ||
3044 !(rdev->wiphy.features &
3045 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
3050 /* Only allow dynamic channel width changes */
3051 if (chandef.chan != wdev->preset_chandef.chan) {
3055 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
3059 wdev->preset_chandef = chandef;
3062 case NL80211_IFTYPE_MESH_POINT:
3063 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
3065 case NL80211_IFTYPE_MONITOR:
3066 result = cfg80211_set_monitor_channel(rdev, &chandef);
3075 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3077 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3078 struct net_device *netdev = info->user_ptr[1];
3080 return __nl80211_set_channel(rdev, netdev, info);
3083 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
3085 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3086 struct net_device *dev = info->user_ptr[1];
3087 struct wireless_dev *wdev = dev->ieee80211_ptr;
3090 if (!info->attrs[NL80211_ATTR_MAC])
3093 if (netif_running(dev))
3096 if (!rdev->ops->set_wds_peer)
3099 if (wdev->iftype != NL80211_IFTYPE_WDS)
3102 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
3103 return rdev_set_wds_peer(rdev, dev, bssid);
3106 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3108 struct cfg80211_registered_device *rdev;
3109 struct net_device *netdev = NULL;
3110 struct wireless_dev *wdev;
3111 int result = 0, rem_txq_params = 0;
3112 struct nlattr *nl_txq_params;
3114 u8 retry_short = 0, retry_long = 0;
3115 u32 frag_threshold = 0, rts_threshold = 0;
3116 u8 coverage_class = 0;
3117 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
3122 * Try to find the wiphy and netdev. Normally this
3123 * function shouldn't need the netdev, but this is
3124 * done for backward compatibility -- previously
3125 * setting the channel was done per wiphy, but now
3126 * it is per netdev. Previous userland like hostapd
3127 * also passed a netdev to set_wiphy, so that it is
3128 * possible to let that go to the right netdev!
3131 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3132 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3134 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
3135 if (netdev && netdev->ieee80211_ptr)
3136 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
3142 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3145 return PTR_ERR(rdev);
3150 wdev = netdev->ieee80211_ptr;
3153 * end workaround code, by now the rdev is available
3154 * and locked, and wdev may or may not be NULL.
3157 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
3158 result = cfg80211_dev_rename(
3159 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
3164 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3165 struct ieee80211_txq_params txq_params;
3166 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3168 if (!rdev->ops->set_txq_params)
3174 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3175 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3178 if (!netif_running(netdev))
3181 nla_for_each_nested(nl_txq_params,
3182 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3184 result = nla_parse_nested_deprecated(tb,
3185 NL80211_TXQ_ATTR_MAX,
3191 result = parse_txq_params(tb, &txq_params);
3195 result = rdev_set_txq_params(rdev, netdev,
3202 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3203 result = __nl80211_set_channel(
3205 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3211 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
3212 struct wireless_dev *txp_wdev = wdev;
3213 enum nl80211_tx_power_setting type;
3216 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3219 if (!rdev->ops->set_tx_power)
3222 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3223 type = nla_get_u32(info->attrs[idx]);
3225 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
3226 (type != NL80211_TX_POWER_AUTOMATIC))
3229 if (type != NL80211_TX_POWER_AUTOMATIC) {
3230 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3231 mbm = nla_get_u32(info->attrs[idx]);
3234 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
3239 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3240 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3243 if ((!rdev->wiphy.available_antennas_tx &&
3244 !rdev->wiphy.available_antennas_rx) ||
3245 !rdev->ops->set_antenna)
3248 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3249 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3251 /* reject antenna configurations which don't match the
3252 * available antenna masks, except for the "all" mask */
3253 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3254 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
3257 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3258 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3260 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3267 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3268 retry_short = nla_get_u8(
3269 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3271 changed |= WIPHY_PARAM_RETRY_SHORT;
3274 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3275 retry_long = nla_get_u8(
3276 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3278 changed |= WIPHY_PARAM_RETRY_LONG;
3281 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3282 frag_threshold = nla_get_u32(
3283 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3284 if (frag_threshold < 256)
3287 if (frag_threshold != (u32) -1) {
3289 * Fragments (apart from the last one) are required to
3290 * have even length. Make the fragmentation code
3291 * simpler by stripping LSB should someone try to use
3292 * odd threshold value.
3294 frag_threshold &= ~0x1;
3296 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3299 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3300 rts_threshold = nla_get_u32(
3301 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3302 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3305 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3306 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
3309 coverage_class = nla_get_u8(
3310 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3311 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3314 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3315 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
3318 changed |= WIPHY_PARAM_DYN_ACK;
3321 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3322 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3323 NL80211_EXT_FEATURE_TXQS))
3325 txq_limit = nla_get_u32(
3326 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3327 changed |= WIPHY_PARAM_TXQ_LIMIT;
3330 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3331 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3332 NL80211_EXT_FEATURE_TXQS))
3334 txq_memory_limit = nla_get_u32(
3335 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3336 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3339 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3340 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3341 NL80211_EXT_FEATURE_TXQS))
3343 txq_quantum = nla_get_u32(
3344 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3345 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3349 u8 old_retry_short, old_retry_long;
3350 u32 old_frag_threshold, old_rts_threshold;
3351 u8 old_coverage_class;
3352 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3354 if (!rdev->ops->set_wiphy_params)
3357 old_retry_short = rdev->wiphy.retry_short;
3358 old_retry_long = rdev->wiphy.retry_long;
3359 old_frag_threshold = rdev->wiphy.frag_threshold;
3360 old_rts_threshold = rdev->wiphy.rts_threshold;
3361 old_coverage_class = rdev->wiphy.coverage_class;
3362 old_txq_limit = rdev->wiphy.txq_limit;
3363 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3364 old_txq_quantum = rdev->wiphy.txq_quantum;
3366 if (changed & WIPHY_PARAM_RETRY_SHORT)
3367 rdev->wiphy.retry_short = retry_short;
3368 if (changed & WIPHY_PARAM_RETRY_LONG)
3369 rdev->wiphy.retry_long = retry_long;
3370 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3371 rdev->wiphy.frag_threshold = frag_threshold;
3372 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3373 rdev->wiphy.rts_threshold = rts_threshold;
3374 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3375 rdev->wiphy.coverage_class = coverage_class;
3376 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3377 rdev->wiphy.txq_limit = txq_limit;
3378 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3379 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3380 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3381 rdev->wiphy.txq_quantum = txq_quantum;
3383 result = rdev_set_wiphy_params(rdev, changed);
3385 rdev->wiphy.retry_short = old_retry_short;
3386 rdev->wiphy.retry_long = old_retry_long;
3387 rdev->wiphy.frag_threshold = old_frag_threshold;
3388 rdev->wiphy.rts_threshold = old_rts_threshold;
3389 rdev->wiphy.coverage_class = old_coverage_class;
3390 rdev->wiphy.txq_limit = old_txq_limit;
3391 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3392 rdev->wiphy.txq_quantum = old_txq_quantum;
3399 static int nl80211_send_chandef(struct sk_buff *msg,
3400 const struct cfg80211_chan_def *chandef)
3402 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3405 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3406 chandef->chan->center_freq))
3408 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3409 chandef->chan->freq_offset))
3411 switch (chandef->width) {
3412 case NL80211_CHAN_WIDTH_20_NOHT:
3413 case NL80211_CHAN_WIDTH_20:
3414 case NL80211_CHAN_WIDTH_40:
3415 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3416 cfg80211_get_chandef_type(chandef)))
3422 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3424 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3426 if (chandef->center_freq2 &&
3427 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3432 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3433 struct cfg80211_registered_device *rdev,
3434 struct wireless_dev *wdev,
3435 enum nl80211_commands cmd)
3437 struct net_device *dev = wdev->netdev;
3440 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3441 cmd != NL80211_CMD_DEL_INTERFACE &&
3442 cmd != NL80211_CMD_SET_INTERFACE);
3444 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3449 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3450 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3451 goto nla_put_failure;
3453 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3454 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3455 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3456 NL80211_ATTR_PAD) ||
3457 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3458 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3459 rdev->devlist_generation ^
3460 (cfg80211_rdev_list_generation << 2)) ||
3461 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3462 goto nla_put_failure;
3464 if (rdev->ops->get_channel) {
3466 struct cfg80211_chan_def chandef = {};
3468 ret = rdev_get_channel(rdev, wdev, &chandef);
3470 if (nl80211_send_chandef(msg, &chandef))
3471 goto nla_put_failure;
3475 if (rdev->ops->get_tx_power) {
3478 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3480 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3482 goto nla_put_failure;
3486 switch (wdev->iftype) {
3487 case NL80211_IFTYPE_AP:
3488 case NL80211_IFTYPE_P2P_GO:
3489 if (wdev->ssid_len &&
3490 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3491 goto nla_put_failure_locked;
3493 case NL80211_IFTYPE_STATION:
3494 case NL80211_IFTYPE_P2P_CLIENT:
3495 case NL80211_IFTYPE_ADHOC: {
3497 if (!wdev->current_bss)
3500 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3503 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3504 goto nla_put_failure_rcu_locked;
3514 if (rdev->ops->get_txq_stats) {
3515 struct cfg80211_txq_stats txqstats = {};
3516 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3519 !nl80211_put_txq_stats(msg, &txqstats,
3520 NL80211_ATTR_TXQ_STATS))
3521 goto nla_put_failure;
3524 genlmsg_end(msg, hdr);
3527 nla_put_failure_rcu_locked:
3529 nla_put_failure_locked:
3532 genlmsg_cancel(msg, hdr);
3536 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3540 int wp_start = cb->args[0];
3541 int if_start = cb->args[1];
3542 int filter_wiphy = -1;
3543 struct cfg80211_registered_device *rdev;
3544 struct wireless_dev *wdev;
3549 struct nl80211_dump_wiphy_state state = {
3553 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3557 filter_wiphy = state.filter_wiphy;
3560 * if filtering, set cb->args[2] to +1 since 0 is the default
3561 * value needed to determine that parsing is necessary.
3563 if (filter_wiphy >= 0)
3564 cb->args[2] = filter_wiphy + 1;
3567 } else if (cb->args[2] > 0) {
3568 filter_wiphy = cb->args[2] - 1;
3571 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3572 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3574 if (wp_idx < wp_start) {
3579 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3584 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3585 if (if_idx < if_start) {
3589 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3590 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3592 NL80211_CMD_NEW_INTERFACE) < 0) {
3602 cb->args[0] = wp_idx;
3603 cb->args[1] = if_idx;
3612 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3614 struct sk_buff *msg;
3615 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3616 struct wireless_dev *wdev = info->user_ptr[1];
3618 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3622 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3623 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3628 return genlmsg_reply(msg, info);
3631 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3632 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3633 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3634 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3635 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3636 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3637 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3640 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3642 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3650 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3653 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3655 *mntrflags |= (1<<flag);
3657 *mntrflags |= MONITOR_FLAG_CHANGED;
3662 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3663 enum nl80211_iftype type,
3664 struct genl_info *info,
3665 struct vif_params *params)
3667 bool change = false;
3670 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3671 if (type != NL80211_IFTYPE_MONITOR)
3674 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3682 if (params->flags & MONITOR_FLAG_ACTIVE &&
3683 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3686 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3687 const u8 *mumimo_groups;
3688 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3690 if (type != NL80211_IFTYPE_MONITOR)
3693 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3697 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3699 /* bits 0 and 63 are reserved and must be zero */
3700 if ((mumimo_groups[0] & BIT(0)) ||
3701 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3704 params->vht_mumimo_groups = mumimo_groups;
3708 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3709 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3711 if (type != NL80211_IFTYPE_MONITOR)
3714 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3717 params->vht_mumimo_follow_addr =
3718 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3722 return change ? 1 : 0;
3725 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3726 struct net_device *netdev, u8 use_4addr,
3727 enum nl80211_iftype iftype)
3730 if (netdev && netif_is_bridge_port(netdev))
3736 case NL80211_IFTYPE_AP_VLAN:
3737 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3740 case NL80211_IFTYPE_STATION:
3741 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3751 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3753 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3754 struct vif_params params;
3756 enum nl80211_iftype otype, ntype;
3757 struct net_device *dev = info->user_ptr[1];
3758 bool change = false;
3760 memset(¶ms, 0, sizeof(params));
3762 otype = ntype = dev->ieee80211_ptr->iftype;
3764 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3765 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3770 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3771 struct wireless_dev *wdev = dev->ieee80211_ptr;
3773 if (ntype != NL80211_IFTYPE_MESH_POINT)
3775 if (otype != NL80211_IFTYPE_MESH_POINT)
3777 if (netif_running(dev))
3781 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3782 IEEE80211_MAX_MESH_ID_LEN);
3783 wdev->mesh_id_up_len =
3784 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3785 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3786 wdev->mesh_id_up_len);
3790 if (info->attrs[NL80211_ATTR_4ADDR]) {
3791 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3793 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3797 params.use_4addr = -1;
3800 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3807 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3811 if (!err && params.use_4addr != -1)
3812 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3814 if (change && !err) {
3815 struct wireless_dev *wdev = dev->ieee80211_ptr;
3817 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3823 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3825 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3826 struct vif_params params;
3827 struct wireless_dev *wdev;
3828 struct sk_buff *msg;
3830 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3832 /* to avoid failing a new interface creation due to pending removal */
3833 cfg80211_destroy_ifaces(rdev);
3835 memset(¶ms, 0, sizeof(params));
3837 if (!info->attrs[NL80211_ATTR_IFNAME])
3840 if (info->attrs[NL80211_ATTR_IFTYPE])
3841 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3843 if (!rdev->ops->add_virtual_intf)
3846 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3847 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3848 info->attrs[NL80211_ATTR_MAC]) {
3849 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3851 if (!is_valid_ether_addr(params.macaddr))
3852 return -EADDRNOTAVAIL;
3855 if (info->attrs[NL80211_ATTR_4ADDR]) {
3856 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3857 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3862 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
3865 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3869 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3873 wdev = rdev_add_virtual_intf(rdev,
3874 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3875 NET_NAME_USER, type, ¶ms);
3876 if (WARN_ON(!wdev)) {
3879 } else if (IS_ERR(wdev)) {
3881 return PTR_ERR(wdev);
3884 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3885 wdev->owner_nlportid = info->snd_portid;
3888 case NL80211_IFTYPE_MESH_POINT:
3889 if (!info->attrs[NL80211_ATTR_MESH_ID])
3892 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3893 IEEE80211_MAX_MESH_ID_LEN);
3894 wdev->mesh_id_up_len =
3895 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3896 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3897 wdev->mesh_id_up_len);
3900 case NL80211_IFTYPE_NAN:
3901 case NL80211_IFTYPE_P2P_DEVICE:
3903 * P2P Device and NAN do not have a netdev, so don't go
3904 * through the netdev notifier and must be added here
3906 cfg80211_init_wdev(wdev);
3907 cfg80211_register_wdev(rdev, wdev);
3913 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3914 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3919 return genlmsg_reply(msg, info);
3922 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3924 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3925 struct wireless_dev *wdev = info->user_ptr[1];
3927 if (!rdev->ops->del_virtual_intf)
3931 * If we remove a wireless device without a netdev then clear
3932 * user_ptr[1] so that nl80211_post_doit won't dereference it
3933 * to check if it needs to do dev_put(). Otherwise it crashes
3934 * since the wdev has been freed, unlike with a netdev where
3935 * we need the dev_put() for the netdev to really be freed.
3938 info->user_ptr[1] = NULL;
3940 return rdev_del_virtual_intf(rdev, wdev);
3943 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3945 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3946 struct net_device *dev = info->user_ptr[1];
3949 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3952 if (!rdev->ops->set_noack_map)
3955 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3957 return rdev_set_noack_map(rdev, dev, noack_map);
3960 struct get_key_cookie {
3961 struct sk_buff *msg;
3966 static void get_key_callback(void *c, struct key_params *params)
3969 struct get_key_cookie *cookie = c;
3972 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3973 params->key_len, params->key)) ||
3975 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3976 params->seq_len, params->seq)) ||
3978 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3980 goto nla_put_failure;
3982 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
3984 goto nla_put_failure;
3987 nla_put(cookie->msg, NL80211_KEY_DATA,
3988 params->key_len, params->key)) ||
3990 nla_put(cookie->msg, NL80211_KEY_SEQ,
3991 params->seq_len, params->seq)) ||
3993 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3995 goto nla_put_failure;
3997 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
3998 goto nla_put_failure;
4000 nla_nest_end(cookie->msg, key);
4007 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4009 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4011 struct net_device *dev = info->user_ptr[1];
4013 const u8 *mac_addr = NULL;
4015 struct get_key_cookie cookie = {
4019 struct sk_buff *msg;
4020 bool bigtk_support = false;
4022 if (wiphy_ext_feature_isset(&rdev->wiphy,
4023 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4024 bigtk_support = true;
4026 if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
4027 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4028 wiphy_ext_feature_isset(&rdev->wiphy,
4029 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4030 bigtk_support = true;
4032 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4033 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4035 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4036 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4041 if (info->attrs[NL80211_ATTR_MAC])
4042 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4044 pairwise = !!mac_addr;
4045 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4046 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4048 if (kt != NL80211_KEYTYPE_GROUP &&
4049 kt != NL80211_KEYTYPE_PAIRWISE)
4051 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4054 if (!rdev->ops->get_key)
4057 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4060 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4064 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4065 NL80211_CMD_NEW_KEY);
4067 goto nla_put_failure;
4070 cookie.idx = key_idx;
4072 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4073 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4074 goto nla_put_failure;
4076 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4077 goto nla_put_failure;
4079 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
4086 goto nla_put_failure;
4088 genlmsg_end(msg, hdr);
4089 return genlmsg_reply(msg, info);
4098 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4100 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4101 struct key_parse key;
4103 struct net_device *dev = info->user_ptr[1];
4105 err = nl80211_parse_key(info, &key);
4112 /* Only support setting default key and
4113 * Extended Key ID action NL80211_KEY_SET_TX.
4115 if (!key.def && !key.defmgmt && !key.defbeacon &&
4116 !(key.p.mode == NL80211_KEY_SET_TX))
4119 wdev_lock(dev->ieee80211_ptr);
4122 if (!rdev->ops->set_default_key) {
4127 err = nl80211_key_allowed(dev->ieee80211_ptr);
4131 err = rdev_set_default_key(rdev, dev, key.idx,
4132 key.def_uni, key.def_multi);
4137 #ifdef CONFIG_CFG80211_WEXT
4138 dev->ieee80211_ptr->wext.default_key = key.idx;
4140 } else if (key.defmgmt) {
4141 if (key.def_uni || !key.def_multi) {
4146 if (!rdev->ops->set_default_mgmt_key) {
4151 err = nl80211_key_allowed(dev->ieee80211_ptr);
4155 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
4159 #ifdef CONFIG_CFG80211_WEXT
4160 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
4162 } else if (key.defbeacon) {
4163 if (key.def_uni || !key.def_multi) {
4168 if (!rdev->ops->set_default_beacon_key) {
4173 err = nl80211_key_allowed(dev->ieee80211_ptr);
4177 err = rdev_set_default_beacon_key(rdev, dev, key.idx);
4180 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4181 wiphy_ext_feature_isset(&rdev->wiphy,
4182 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4183 u8 *mac_addr = NULL;
4185 if (info->attrs[NL80211_ATTR_MAC])
4186 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4188 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4193 err = rdev_add_key(rdev, dev, key.idx,
4194 NL80211_KEYTYPE_PAIRWISE,
4200 wdev_unlock(dev->ieee80211_ptr);
4205 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4207 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4209 struct net_device *dev = info->user_ptr[1];
4210 struct key_parse key;
4211 const u8 *mac_addr = NULL;
4213 err = nl80211_parse_key(info, &key);
4218 GENL_SET_ERR_MSG(info, "no key");
4222 if (info->attrs[NL80211_ATTR_MAC])
4223 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4225 if (key.type == -1) {
4227 key.type = NL80211_KEYTYPE_PAIRWISE;
4229 key.type = NL80211_KEYTYPE_GROUP;
4233 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4234 key.type != NL80211_KEYTYPE_GROUP) {
4235 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4239 if (key.type == NL80211_KEYTYPE_GROUP &&
4240 info->attrs[NL80211_ATTR_VLAN_ID])
4241 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4243 if (!rdev->ops->add_key)
4246 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4247 key.type == NL80211_KEYTYPE_PAIRWISE,
4249 GENL_SET_ERR_MSG(info, "key setting validation failed");
4253 wdev_lock(dev->ieee80211_ptr);
4254 err = nl80211_key_allowed(dev->ieee80211_ptr);
4256 GENL_SET_ERR_MSG(info, "key not allowed");
4258 err = rdev_add_key(rdev, dev, key.idx,
4259 key.type == NL80211_KEYTYPE_PAIRWISE,
4262 GENL_SET_ERR_MSG(info, "key addition failed");
4264 wdev_unlock(dev->ieee80211_ptr);
4269 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4271 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4273 struct net_device *dev = info->user_ptr[1];
4274 u8 *mac_addr = NULL;
4275 struct key_parse key;
4277 err = nl80211_parse_key(info, &key);
4281 if (info->attrs[NL80211_ATTR_MAC])
4282 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4284 if (key.type == -1) {
4286 key.type = NL80211_KEYTYPE_PAIRWISE;
4288 key.type = NL80211_KEYTYPE_GROUP;
4292 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4293 key.type != NL80211_KEYTYPE_GROUP)
4296 if (!cfg80211_valid_key_idx(rdev, key.idx,
4297 key.type == NL80211_KEYTYPE_PAIRWISE))
4300 if (!rdev->ops->del_key)
4303 wdev_lock(dev->ieee80211_ptr);
4304 err = nl80211_key_allowed(dev->ieee80211_ptr);
4306 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4307 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4311 err = rdev_del_key(rdev, dev, key.idx,
4312 key.type == NL80211_KEYTYPE_PAIRWISE,
4315 #ifdef CONFIG_CFG80211_WEXT
4317 if (key.idx == dev->ieee80211_ptr->wext.default_key)
4318 dev->ieee80211_ptr->wext.default_key = -1;
4319 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
4320 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4323 wdev_unlock(dev->ieee80211_ptr);
4328 /* This function returns an error or the number of nested attributes */
4329 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4331 struct nlattr *attr;
4332 int n_entries = 0, tmp;
4334 nla_for_each_nested(attr, nl_attr, tmp) {
4335 if (nla_len(attr) != ETH_ALEN)
4345 * This function parses ACL information and allocates memory for ACL data.
4346 * On successful return, the calling function is responsible to free the
4347 * ACL buffer returned by this function.
4349 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4350 struct genl_info *info)
4352 enum nl80211_acl_policy acl_policy;
4353 struct nlattr *attr;
4354 struct cfg80211_acl_data *acl;
4355 int i = 0, n_entries, tmp;
4357 if (!wiphy->max_acl_mac_addrs)
4358 return ERR_PTR(-EOPNOTSUPP);
4360 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4361 return ERR_PTR(-EINVAL);
4363 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4364 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4365 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4366 return ERR_PTR(-EINVAL);
4368 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4369 return ERR_PTR(-EINVAL);
4371 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4373 return ERR_PTR(n_entries);
4375 if (n_entries > wiphy->max_acl_mac_addrs)
4376 return ERR_PTR(-ENOTSUPP);
4378 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4380 return ERR_PTR(-ENOMEM);
4382 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4383 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4387 acl->n_acl_entries = n_entries;
4388 acl->acl_policy = acl_policy;
4393 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4395 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4396 struct net_device *dev = info->user_ptr[1];
4397 struct cfg80211_acl_data *acl;
4400 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4401 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4404 if (!dev->ieee80211_ptr->beacon_interval)
4407 acl = parse_acl_data(&rdev->wiphy, info);
4409 return PTR_ERR(acl);
4411 err = rdev_set_mac_acl(rdev, dev, acl);
4418 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4419 u8 *rates, u8 rates_len)
4424 for (i = 0; i < rates_len; i++) {
4425 int rate = (rates[i] & 0x7f) * 5;
4428 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4429 struct ieee80211_rate *srate =
4430 &sband->bitrates[ridx];
4431 if (rate == srate->bitrate) {
4436 if (ridx == sband->n_bitrates)
4437 return 0; /* rate not found */
4443 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4444 u8 *rates, u8 rates_len,
4445 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4449 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4451 for (i = 0; i < rates_len; i++) {
4454 ridx = rates[i] / 8;
4455 rbit = BIT(rates[i] % 8);
4457 /* check validity */
4458 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4461 /* check availability */
4462 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4463 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4472 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4476 switch (vht_mcs_map) {
4477 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4479 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4482 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4485 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4495 static void vht_build_mcs_mask(u16 vht_mcs_map,
4496 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4500 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4501 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4506 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4507 struct nl80211_txrate_vht *txrate,
4508 u16 mcs[NL80211_VHT_NSS_MAX])
4510 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4511 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4514 if (!sband->vht_cap.vht_supported)
4517 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4519 /* Build vht_mcs_mask from VHT capabilities */
4520 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4522 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4523 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4524 mcs[i] = txrate->mcs[i];
4532 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
4534 switch (he_mcs_map) {
4535 case IEEE80211_HE_MCS_NOT_SUPPORTED:
4537 case IEEE80211_HE_MCS_SUPPORT_0_7:
4539 case IEEE80211_HE_MCS_SUPPORT_0_9:
4541 case IEEE80211_HE_MCS_SUPPORT_0_11:
4549 static void he_build_mcs_mask(u16 he_mcs_map,
4550 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
4554 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
4555 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
4560 static u16 he_get_txmcsmap(struct genl_info *info,
4561 const struct ieee80211_sta_he_cap *he_cap)
4563 struct net_device *dev = info->user_ptr[1];
4564 struct wireless_dev *wdev = dev->ieee80211_ptr;
4567 switch (wdev->chandef.width) {
4568 case NL80211_CHAN_WIDTH_80P80:
4569 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
4571 case NL80211_CHAN_WIDTH_160:
4572 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
4575 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
4578 return le16_to_cpu(tx_mcs);
4581 static bool he_set_mcs_mask(struct genl_info *info,
4582 struct wireless_dev *wdev,
4583 struct ieee80211_supported_band *sband,
4584 struct nl80211_txrate_he *txrate,
4585 u16 mcs[NL80211_HE_NSS_MAX])
4587 const struct ieee80211_sta_he_cap *he_cap;
4588 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
4592 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4596 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
4598 tx_mcs_map = he_get_txmcsmap(info, he_cap);
4600 /* Build he_mcs_mask from HE capabilities */
4601 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4603 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4604 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4605 mcs[i] = txrate->mcs[i];
4613 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4614 struct nlattr *attrs[],
4615 enum nl80211_attrs attr,
4616 struct cfg80211_bitrate_mask *mask,
4617 struct net_device *dev)
4619 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4620 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4621 struct wireless_dev *wdev = dev->ieee80211_ptr;
4623 struct nlattr *tx_rates;
4624 struct ieee80211_supported_band *sband;
4625 u16 vht_tx_mcs_map, he_tx_mcs_map;
4627 memset(mask, 0, sizeof(*mask));
4628 /* Default to all rates enabled */
4629 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4630 const struct ieee80211_sta_he_cap *he_cap;
4632 sband = rdev->wiphy.bands[i];
4637 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4638 memcpy(mask->control[i].ht_mcs,
4639 sband->ht_cap.mcs.rx_mask,
4640 sizeof(mask->control[i].ht_mcs));
4642 if (sband->vht_cap.vht_supported) {
4643 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4644 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4647 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4651 he_tx_mcs_map = he_get_txmcsmap(info, he_cap);
4652 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
4654 mask->control[i].he_gi = 0xFF;
4655 mask->control[i].he_ltf = 0xFF;
4658 /* if no rates are given set it back to the defaults */
4662 /* The nested attribute uses enum nl80211_band as the index. This maps
4663 * directly to the enum nl80211_band values used in cfg80211.
4665 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4666 nla_for_each_nested(tx_rates, attrs[attr], rem) {
4667 enum nl80211_band band = nla_type(tx_rates);
4670 if (band < 0 || band >= NUM_NL80211_BANDS)
4672 sband = rdev->wiphy.bands[band];
4675 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4677 nl80211_txattr_policy,
4681 if (tb[NL80211_TXRATE_LEGACY]) {
4682 mask->control[band].legacy = rateset_to_mask(
4684 nla_data(tb[NL80211_TXRATE_LEGACY]),
4685 nla_len(tb[NL80211_TXRATE_LEGACY]));
4686 if ((mask->control[band].legacy == 0) &&
4687 nla_len(tb[NL80211_TXRATE_LEGACY]))
4690 if (tb[NL80211_TXRATE_HT]) {
4691 if (!ht_rateset_to_mask(
4693 nla_data(tb[NL80211_TXRATE_HT]),
4694 nla_len(tb[NL80211_TXRATE_HT]),
4695 mask->control[band].ht_mcs))
4698 if (tb[NL80211_TXRATE_VHT]) {
4699 if (!vht_set_mcs_mask(
4701 nla_data(tb[NL80211_TXRATE_VHT]),
4702 mask->control[band].vht_mcs))
4705 if (tb[NL80211_TXRATE_GI]) {
4706 mask->control[band].gi =
4707 nla_get_u8(tb[NL80211_TXRATE_GI]);
4708 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4711 if (tb[NL80211_TXRATE_HE] &&
4712 !he_set_mcs_mask(info, wdev, sband,
4713 nla_data(tb[NL80211_TXRATE_HE]),
4714 mask->control[band].he_mcs))
4716 if (tb[NL80211_TXRATE_HE_GI])
4717 mask->control[band].he_gi =
4718 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
4719 if (tb[NL80211_TXRATE_HE_LTF])
4720 mask->control[band].he_ltf =
4721 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
4723 if (mask->control[band].legacy == 0) {
4724 /* don't allow empty legacy rates if HT, VHT or HE
4725 * are not even supported.
4727 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4728 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
4729 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
4732 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4733 if (mask->control[band].ht_mcs[i])
4736 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4737 if (mask->control[band].vht_mcs[i])
4740 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
4741 if (mask->control[band].he_mcs[i])
4744 /* legacy and mcs rates may not be both empty */
4753 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4754 enum nl80211_band band,
4755 struct cfg80211_bitrate_mask *beacon_rate)
4757 u32 count_ht, count_vht, i;
4758 u32 rate = beacon_rate->control[band].legacy;
4760 /* Allow only one rate */
4761 if (hweight32(rate) > 1)
4765 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4766 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4768 } else if (beacon_rate->control[band].ht_mcs[i]) {
4773 if (count_ht && rate)
4778 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4779 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4781 } else if (beacon_rate->control[band].vht_mcs[i]) {
4786 if (count_vht && rate)
4790 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4794 !wiphy_ext_feature_isset(&rdev->wiphy,
4795 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4798 !wiphy_ext_feature_isset(&rdev->wiphy,
4799 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4802 !wiphy_ext_feature_isset(&rdev->wiphy,
4803 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4809 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4810 struct nlattr *attrs[],
4811 struct cfg80211_beacon_data *bcn)
4813 bool haveinfo = false;
4816 memset(bcn, 0, sizeof(*bcn));
4818 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4819 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4820 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4826 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4827 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4828 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4835 if (attrs[NL80211_ATTR_IE]) {
4836 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4837 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4840 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4841 bcn->proberesp_ies =
4842 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4843 bcn->proberesp_ies_len =
4844 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4847 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4848 bcn->assocresp_ies =
4849 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4850 bcn->assocresp_ies_len =
4851 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4854 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4855 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4856 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
4859 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4860 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4862 err = nla_parse_nested_deprecated(tb,
4863 NL80211_FTM_RESP_ATTR_MAX,
4864 attrs[NL80211_ATTR_FTM_RESPONDER],
4869 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4870 wiphy_ext_feature_isset(&rdev->wiphy,
4871 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4872 bcn->ftm_responder = 1;
4876 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4877 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4878 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4881 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4882 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4883 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4886 bcn->ftm_responder = -1;
4892 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
4893 struct ieee80211_he_obss_pd *he_obss_pd)
4895 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
4898 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
4899 he_obss_pd_policy, NULL);
4903 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
4906 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
4908 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
4909 he_obss_pd->min_offset =
4910 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
4911 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
4912 he_obss_pd->max_offset =
4913 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
4914 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
4915 he_obss_pd->non_srg_max_offset =
4916 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
4918 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
4921 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
4922 memcpy(he_obss_pd->bss_color_bitmap,
4923 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
4924 sizeof(he_obss_pd->bss_color_bitmap));
4926 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
4927 memcpy(he_obss_pd->partial_bssid_bitmap,
4928 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
4929 sizeof(he_obss_pd->partial_bssid_bitmap));
4931 he_obss_pd->enable = true;
4936 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
4937 struct cfg80211_he_bss_color *he_bss_color)
4939 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
4942 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
4943 he_bss_color_policy, NULL);
4947 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
4950 he_bss_color->color =
4951 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
4952 he_bss_color->enabled =
4953 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
4954 he_bss_color->partial =
4955 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
4960 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
4961 struct nlattr *attrs,
4962 struct cfg80211_ap_settings *params)
4964 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
4966 struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery;
4968 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4969 NL80211_EXT_FEATURE_FILS_DISCOVERY))
4972 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
4977 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
4978 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
4979 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
4982 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
4983 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
4984 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
4985 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
4991 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
4992 struct nlattr *attrs,
4993 struct cfg80211_ap_settings *params)
4995 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
4997 struct cfg80211_unsol_bcast_probe_resp *presp =
4998 ¶ms->unsol_bcast_probe_resp;
5000 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5001 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5004 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5009 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5010 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5013 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5014 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5015 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5019 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5027 for (i = 0; i < rates[1]; i++) {
5028 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5029 params->ht_required = true;
5030 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5031 params->vht_required = true;
5032 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5033 params->he_required = true;
5038 * Since the nl80211 API didn't include, from the beginning, attributes about
5039 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5040 * benefit of drivers that rebuild IEs in the firmware.
5042 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5044 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5045 size_t ies_len = bcn->tail_len;
5046 const u8 *ies = bcn->tail;
5050 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
5051 nl80211_check_ap_rate_selectors(params, rates);
5053 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5054 nl80211_check_ap_rate_selectors(params, rates);
5056 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5057 if (cap && cap[1] >= sizeof(*params->ht_cap))
5058 params->ht_cap = (void *)(cap + 2);
5059 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5060 if (cap && cap[1] >= sizeof(*params->vht_cap))
5061 params->vht_cap = (void *)(cap + 2);
5062 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5063 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
5064 params->he_cap = (void *)(cap + 3);
5065 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5066 if (cap && cap[1] >= sizeof(*params->he_oper) + 1)
5067 params->he_oper = (void *)(cap + 3);
5070 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5071 struct cfg80211_ap_settings *params)
5073 struct wireless_dev *wdev;
5076 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5077 if (wdev->iftype != NL80211_IFTYPE_AP &&
5078 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5081 if (!wdev->preset_chandef.chan)
5084 params->chandef = wdev->preset_chandef;
5092 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5093 enum nl80211_auth_type auth_type,
5094 enum nl80211_commands cmd)
5096 if (auth_type > NL80211_AUTHTYPE_MAX)
5100 case NL80211_CMD_AUTHENTICATE:
5101 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5102 auth_type == NL80211_AUTHTYPE_SAE)
5104 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5105 NL80211_EXT_FEATURE_FILS_STA) &&
5106 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5107 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5108 auth_type == NL80211_AUTHTYPE_FILS_PK))
5111 case NL80211_CMD_CONNECT:
5112 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5113 !wiphy_ext_feature_isset(&rdev->wiphy,
5114 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5115 auth_type == NL80211_AUTHTYPE_SAE)
5118 /* FILS with SK PFS or PK not supported yet */
5119 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5120 auth_type == NL80211_AUTHTYPE_FILS_PK)
5122 if (!wiphy_ext_feature_isset(
5124 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5125 auth_type == NL80211_AUTHTYPE_FILS_SK)
5128 case NL80211_CMD_START_AP:
5129 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5130 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5131 auth_type == NL80211_AUTHTYPE_SAE)
5133 /* FILS not supported yet */
5134 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5135 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5136 auth_type == NL80211_AUTHTYPE_FILS_PK)
5144 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5146 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5147 struct net_device *dev = info->user_ptr[1];
5148 struct wireless_dev *wdev = dev->ieee80211_ptr;
5149 struct cfg80211_ap_settings params;
5152 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5153 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5156 if (!rdev->ops->start_ap)
5159 if (wdev->beacon_interval)
5162 memset(¶ms, 0, sizeof(params));
5164 /* these are required for START_AP */
5165 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5166 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5167 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5170 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
5174 params.beacon_interval =
5175 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5176 params.dtim_period =
5177 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5179 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5180 params.beacon_interval);
5185 * In theory, some of these attributes should be required here
5186 * but since they were not used when the command was originally
5187 * added, keep them optional for old user space programs to let
5188 * them continue to work with drivers that do not need the
5189 * additional information -- drivers must check!
5191 if (info->attrs[NL80211_ATTR_SSID]) {
5192 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5194 nla_len(info->attrs[NL80211_ATTR_SSID]);
5195 if (params.ssid_len == 0)
5199 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
5200 params.hidden_ssid = nla_get_u32(
5201 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
5203 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5205 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5206 params.auth_type = nla_get_u32(
5207 info->attrs[NL80211_ATTR_AUTH_TYPE]);
5208 if (!nl80211_valid_auth_type(rdev, params.auth_type,
5209 NL80211_CMD_START_AP))
5212 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5214 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
5215 NL80211_MAX_NR_CIPHER_SUITES);
5219 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
5220 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
5222 params.inactivity_timeout = nla_get_u16(
5223 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5226 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5227 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5229 params.p2p_ctwindow =
5230 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5231 if (params.p2p_ctwindow != 0 &&
5232 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
5236 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5239 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5241 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5242 params.p2p_opp_ps = tmp;
5243 if (params.p2p_opp_ps != 0 &&
5244 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
5248 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
5249 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
5252 } else if (wdev->preset_chandef.chan) {
5253 params.chandef = wdev->preset_chandef;
5254 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
5257 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
5261 if (info->attrs[NL80211_ATTR_TX_RATES]) {
5262 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5263 NL80211_ATTR_TX_RATES,
5264 ¶ms.beacon_rate,
5269 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
5270 ¶ms.beacon_rate);
5275 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
5277 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
5278 switch (params.smps_mode) {
5279 case NL80211_SMPS_OFF:
5281 case NL80211_SMPS_STATIC:
5282 if (!(rdev->wiphy.features &
5283 NL80211_FEATURE_STATIC_SMPS))
5286 case NL80211_SMPS_DYNAMIC:
5287 if (!(rdev->wiphy.features &
5288 NL80211_FEATURE_DYNAMIC_SMPS))
5295 params.smps_mode = NL80211_SMPS_OFF;
5298 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
5299 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
5302 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
5303 params.acl = parse_acl_data(&rdev->wiphy, info);
5304 if (IS_ERR(params.acl))
5305 return PTR_ERR(params.acl);
5308 params.twt_responder =
5309 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
5311 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5312 err = nl80211_parse_he_obss_pd(
5313 info->attrs[NL80211_ATTR_HE_OBSS_PD],
5314 ¶ms.he_obss_pd);
5319 if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5320 err = nl80211_parse_he_bss_color(
5321 info->attrs[NL80211_ATTR_HE_BSS_COLOR],
5322 ¶ms.he_bss_color);
5327 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
5328 err = nl80211_parse_fils_discovery(rdev,
5329 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
5335 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
5336 err = nl80211_parse_unsol_bcast_probe_resp(
5337 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
5343 nl80211_calculate_ap_params(¶ms);
5345 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
5346 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5349 err = rdev_start_ap(rdev, dev, ¶ms);
5351 wdev->preset_chandef = params.chandef;
5352 wdev->beacon_interval = params.beacon_interval;
5353 wdev->chandef = params.chandef;
5354 wdev->ssid_len = params.ssid_len;
5355 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
5357 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
5358 wdev->conn_owner_nlportid = info->snd_portid;
5368 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
5370 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5371 struct net_device *dev = info->user_ptr[1];
5372 struct wireless_dev *wdev = dev->ieee80211_ptr;
5373 struct cfg80211_beacon_data params;
5376 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5377 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5380 if (!rdev->ops->change_beacon)
5383 if (!wdev->beacon_interval)
5386 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
5391 err = rdev_change_beacon(rdev, dev, ¶ms);
5397 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
5399 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5400 struct net_device *dev = info->user_ptr[1];
5402 return cfg80211_stop_ap(rdev, dev, false);
5405 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
5406 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
5407 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
5408 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
5409 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
5410 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
5411 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5414 static int parse_station_flags(struct genl_info *info,
5415 enum nl80211_iftype iftype,
5416 struct station_parameters *params)
5418 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
5423 * Try parsing the new attribute first so userspace
5424 * can specify both for older kernels.
5426 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
5428 struct nl80211_sta_flag_update *sta_flags;
5430 sta_flags = nla_data(nla);
5431 params->sta_flags_mask = sta_flags->mask;
5432 params->sta_flags_set = sta_flags->set;
5433 params->sta_flags_set &= params->sta_flags_mask;
5434 if ((params->sta_flags_mask |
5435 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
5440 /* if present, parse the old attribute */
5442 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5446 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5450 * Only allow certain flags for interface types so that
5451 * other attributes are silently ignored. Remember that
5452 * this is backward compatibility code with old userspace
5453 * and shouldn't be hit in other cases anyway.
5456 case NL80211_IFTYPE_AP:
5457 case NL80211_IFTYPE_AP_VLAN:
5458 case NL80211_IFTYPE_P2P_GO:
5459 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5460 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5461 BIT(NL80211_STA_FLAG_WME) |
5462 BIT(NL80211_STA_FLAG_MFP);
5464 case NL80211_IFTYPE_P2P_CLIENT:
5465 case NL80211_IFTYPE_STATION:
5466 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5467 BIT(NL80211_STA_FLAG_TDLS_PEER);
5469 case NL80211_IFTYPE_MESH_POINT:
5470 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5471 BIT(NL80211_STA_FLAG_MFP) |
5472 BIT(NL80211_STA_FLAG_AUTHORIZED);
5478 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
5480 params->sta_flags_set |= (1<<flag);
5482 /* no longer support new API additions in old API */
5483 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
5491 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
5493 struct nlattr *rate;
5496 enum nl80211_rate_info rate_flg;
5498 rate = nla_nest_start_noflag(msg, attr);
5502 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
5503 bitrate = cfg80211_calculate_bitrate(info);
5504 /* report 16-bit bitrate only if we can */
5505 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
5507 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
5509 if (bitrate_compat > 0 &&
5510 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
5514 case RATE_INFO_BW_5:
5515 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
5517 case RATE_INFO_BW_10:
5518 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
5523 case RATE_INFO_BW_20:
5526 case RATE_INFO_BW_40:
5527 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
5529 case RATE_INFO_BW_80:
5530 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
5532 case RATE_INFO_BW_160:
5533 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
5535 case RATE_INFO_BW_HE_RU:
5537 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
5540 if (rate_flg && nla_put_flag(msg, rate_flg))
5543 if (info->flags & RATE_INFO_FLAGS_MCS) {
5544 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5546 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5547 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5549 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5550 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5552 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5554 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5555 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5557 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5558 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5560 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5562 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5564 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5566 if (info->bw == RATE_INFO_BW_HE_RU &&
5567 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5572 nla_nest_end(msg, rate);
5576 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5585 attr = nla_nest_start_noflag(msg, id);
5589 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5590 if (!(mask & BIT(i)))
5593 if (nla_put_u8(msg, i, signal[i]))
5597 nla_nest_end(msg, attr);
5602 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5604 struct cfg80211_registered_device *rdev,
5605 struct net_device *dev,
5606 const u8 *mac_addr, struct station_info *sinfo)
5609 struct nlattr *sinfoattr, *bss_param;
5611 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
5613 cfg80211_sinfo_release_content(sinfo);
5617 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5618 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5619 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5620 goto nla_put_failure;
5622 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
5624 goto nla_put_failure;
5626 #define PUT_SINFO(attr, memb, type) do { \
5627 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
5628 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5629 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5631 goto nla_put_failure; \
5633 #define PUT_SINFO_U64(attr, memb) do { \
5634 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5635 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5636 sinfo->memb, NL80211_STA_INFO_PAD)) \
5637 goto nla_put_failure; \
5640 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5641 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
5642 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
5644 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5645 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
5646 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
5647 (u32)sinfo->rx_bytes))
5648 goto nla_put_failure;
5650 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5651 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
5652 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
5653 (u32)sinfo->tx_bytes))
5654 goto nla_put_failure;
5656 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5657 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
5658 PUT_SINFO(LLID, llid, u16);
5659 PUT_SINFO(PLID, plid, u16);
5660 PUT_SINFO(PLINK_STATE, plink_state, u8);
5661 PUT_SINFO_U64(RX_DURATION, rx_duration);
5662 PUT_SINFO_U64(TX_DURATION, tx_duration);
5664 if (wiphy_ext_feature_isset(&rdev->wiphy,
5665 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5666 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
5668 switch (rdev->wiphy.signal_type) {
5669 case CFG80211_SIGNAL_TYPE_MBM:
5670 PUT_SINFO(SIGNAL, signal, u8);
5671 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
5676 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
5677 if (!nl80211_put_signal(msg, sinfo->chains,
5678 sinfo->chain_signal,
5679 NL80211_STA_INFO_CHAIN_SIGNAL))
5680 goto nla_put_failure;
5682 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
5683 if (!nl80211_put_signal(msg, sinfo->chains,
5684 sinfo->chain_signal_avg,
5685 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5686 goto nla_put_failure;
5688 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
5689 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5690 NL80211_STA_INFO_TX_BITRATE))
5691 goto nla_put_failure;
5693 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
5694 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5695 NL80211_STA_INFO_RX_BITRATE))
5696 goto nla_put_failure;
5699 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5700 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5701 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5702 PUT_SINFO(TX_FAILED, tx_failed, u32);
5703 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5704 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5705 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5706 PUT_SINFO(LOCAL_PM, local_pm, u32);
5707 PUT_SINFO(PEER_PM, peer_pm, u32);
5708 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5709 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5710 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
5712 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5713 bss_param = nla_nest_start_noflag(msg,
5714 NL80211_STA_INFO_BSS_PARAM);
5716 goto nla_put_failure;
5718 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5719 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5720 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5721 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5722 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5723 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5724 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5725 sinfo->bss_param.dtim_period) ||
5726 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5727 sinfo->bss_param.beacon_interval))
5728 goto nla_put_failure;
5730 nla_nest_end(msg, bss_param);
5732 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5733 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5734 sizeof(struct nl80211_sta_flag_update),
5736 goto nla_put_failure;
5738 PUT_SINFO_U64(T_OFFSET, t_offset);
5739 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5740 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5741 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5742 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5743 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5744 if (wiphy_ext_feature_isset(&rdev->wiphy,
5745 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5746 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5747 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5751 #undef PUT_SINFO_U64
5753 if (sinfo->pertid) {
5754 struct nlattr *tidsattr;
5757 tidsattr = nla_nest_start_noflag(msg,
5758 NL80211_STA_INFO_TID_STATS);
5760 goto nla_put_failure;
5762 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5763 struct cfg80211_tid_stats *tidstats;
5764 struct nlattr *tidattr;
5766 tidstats = &sinfo->pertid[tid];
5768 if (!tidstats->filled)
5771 tidattr = nla_nest_start_noflag(msg, tid + 1);
5773 goto nla_put_failure;
5775 #define PUT_TIDVAL_U64(attr, memb) do { \
5776 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5777 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5778 tidstats->memb, NL80211_TID_STATS_PAD)) \
5779 goto nla_put_failure; \
5782 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5783 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5784 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5785 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5787 #undef PUT_TIDVAL_U64
5788 if ((tidstats->filled &
5789 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5790 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5791 NL80211_TID_STATS_TXQ_STATS))
5792 goto nla_put_failure;
5794 nla_nest_end(msg, tidattr);
5797 nla_nest_end(msg, tidsattr);
5800 nla_nest_end(msg, sinfoattr);
5802 if (sinfo->assoc_req_ies_len &&
5803 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5804 sinfo->assoc_req_ies))
5805 goto nla_put_failure;
5807 cfg80211_sinfo_release_content(sinfo);
5808 genlmsg_end(msg, hdr);
5812 cfg80211_sinfo_release_content(sinfo);
5813 genlmsg_cancel(msg, hdr);
5817 static int nl80211_dump_station(struct sk_buff *skb,
5818 struct netlink_callback *cb)
5820 struct station_info sinfo;
5821 struct cfg80211_registered_device *rdev;
5822 struct wireless_dev *wdev;
5823 u8 mac_addr[ETH_ALEN];
5824 int sta_idx = cb->args[2];
5828 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5832 if (!wdev->netdev) {
5837 if (!rdev->ops->dump_station) {
5843 memset(&sinfo, 0, sizeof(sinfo));
5844 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
5851 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
5852 NETLINK_CB(cb->skb).portid,
5853 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5854 rdev, wdev->netdev, mac_addr,
5862 cb->args[2] = sta_idx;
5870 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5872 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5873 struct net_device *dev = info->user_ptr[1];
5874 struct station_info sinfo;
5875 struct sk_buff *msg;
5876 u8 *mac_addr = NULL;
5879 memset(&sinfo, 0, sizeof(sinfo));
5881 if (!info->attrs[NL80211_ATTR_MAC])
5884 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5886 if (!rdev->ops->get_station)
5889 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
5893 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5895 cfg80211_sinfo_release_content(&sinfo);
5899 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5900 info->snd_portid, info->snd_seq, 0,
5901 rdev, dev, mac_addr, &sinfo) < 0) {
5906 return genlmsg_reply(msg, info);
5909 int cfg80211_check_station_change(struct wiphy *wiphy,
5910 struct station_parameters *params,
5911 enum cfg80211_station_type statype)
5913 if (params->listen_interval != -1 &&
5914 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5917 if (params->support_p2p_ps != -1 &&
5918 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5922 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5923 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5926 /* When you run into this, adjust the code below for the new flag */
5927 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5930 case CFG80211_STA_MESH_PEER_KERNEL:
5931 case CFG80211_STA_MESH_PEER_USER:
5933 * No ignoring the TDLS flag here -- the userspace mesh
5934 * code doesn't have the bug of including TDLS in the
5937 if (params->sta_flags_mask &
5938 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5939 BIT(NL80211_STA_FLAG_MFP) |
5940 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5943 case CFG80211_STA_TDLS_PEER_SETUP:
5944 case CFG80211_STA_TDLS_PEER_ACTIVE:
5945 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5947 /* ignore since it can't change */
5948 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5951 /* disallow mesh-specific things */
5952 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5954 if (params->local_pm)
5956 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5960 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5961 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5962 /* TDLS can't be set, ... */
5963 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5966 * ... but don't bother the driver with it. This works around
5967 * a hostapd/wpa_supplicant issue -- it always includes the
5968 * TLDS_PEER flag in the mask even for AP mode.
5970 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5973 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5974 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5975 /* reject other things that can't change */
5976 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5978 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5980 if (params->supported_rates)
5982 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5987 if (statype != CFG80211_STA_AP_CLIENT &&
5988 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5994 case CFG80211_STA_AP_MLME_CLIENT:
5995 /* Use this only for authorizing/unauthorizing a station */
5996 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5999 case CFG80211_STA_AP_CLIENT:
6000 case CFG80211_STA_AP_CLIENT_UNASSOC:
6001 /* accept only the listed bits */
6002 if (params->sta_flags_mask &
6003 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6004 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6005 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6006 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6007 BIT(NL80211_STA_FLAG_WME) |
6008 BIT(NL80211_STA_FLAG_MFP)))
6011 /* but authenticated/associated only if driver handles it */
6012 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6013 params->sta_flags_mask &
6014 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6015 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6018 case CFG80211_STA_IBSS:
6019 case CFG80211_STA_AP_STA:
6020 /* reject any changes other than AUTHORIZED */
6021 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6024 case CFG80211_STA_TDLS_PEER_SETUP:
6025 /* reject any changes other than AUTHORIZED or WME */
6026 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6027 BIT(NL80211_STA_FLAG_WME)))
6029 /* force (at least) rates when authorizing */
6030 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6031 !params->supported_rates)
6034 case CFG80211_STA_TDLS_PEER_ACTIVE:
6035 /* reject any changes */
6037 case CFG80211_STA_MESH_PEER_KERNEL:
6038 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6041 case CFG80211_STA_MESH_PEER_USER:
6042 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6043 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
6049 * Older kernel versions ignored this attribute entirely, so don't
6050 * reject attempts to update it but mark it as unused instead so the
6051 * driver won't look at the data.
6053 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6054 statype != CFG80211_STA_TDLS_PEER_SETUP)
6055 params->opmode_notif_used = false;
6059 EXPORT_SYMBOL(cfg80211_check_station_change);
6062 * Get vlan interface making sure it is running and on the right wiphy.
6064 static struct net_device *get_vlan(struct genl_info *info,
6065 struct cfg80211_registered_device *rdev)
6067 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
6068 struct net_device *v;
6074 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6076 return ERR_PTR(-ENODEV);
6078 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6083 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6084 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6085 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6090 if (!netif_running(v)) {
6098 return ERR_PTR(ret);
6101 static const struct nla_policy
6102 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
6103 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
6104 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
6107 static int nl80211_parse_sta_wme(struct genl_info *info,
6108 struct station_parameters *params)
6110 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6114 /* parse WME attributes if present */
6115 if (!info->attrs[NL80211_ATTR_STA_WME])
6118 nla = info->attrs[NL80211_ATTR_STA_WME];
6119 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6120 nl80211_sta_wme_policy,
6125 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6126 params->uapsd_queues = nla_get_u8(
6127 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6128 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6131 if (tb[NL80211_STA_WME_MAX_SP])
6132 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6134 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6137 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6142 static int nl80211_parse_sta_channel_info(struct genl_info *info,
6143 struct station_parameters *params)
6145 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6146 params->supported_channels =
6147 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6148 params->supported_channels_len =
6149 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6151 * Need to include at least one (first channel, number of
6152 * channels) tuple for each subband (checked in policy),
6153 * and must have proper tuples for the rest of the data as well.
6155 if (params->supported_channels_len % 2)
6159 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6160 params->supported_oper_classes =
6161 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6162 params->supported_oper_classes_len =
6163 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6168 static int nl80211_set_station_tdls(struct genl_info *info,
6169 struct station_parameters *params)
6172 /* Dummy STA entry gets updated once the peer capabilities are known */
6173 if (info->attrs[NL80211_ATTR_PEER_AID])
6174 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6175 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6177 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6178 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6180 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6181 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6183 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6184 params->he_capa_len =
6185 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6188 err = nl80211_parse_sta_channel_info(info, params);
6192 return nl80211_parse_sta_wme(info, params);
6195 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
6196 struct station_parameters *params)
6198 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6201 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
6202 if (!rdev->ops->set_tx_power ||
6203 !wiphy_ext_feature_isset(&rdev->wiphy,
6204 NL80211_EXT_FEATURE_STA_TX_PWR))
6207 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
6208 params->txpwr.type = nla_get_u8(info->attrs[idx]);
6210 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
6211 idx = NL80211_ATTR_STA_TX_POWER;
6213 if (info->attrs[idx])
6214 params->txpwr.power =
6215 nla_get_s16(info->attrs[idx]);
6219 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
6225 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
6227 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6228 struct net_device *dev = info->user_ptr[1];
6229 struct station_parameters params;
6233 memset(¶ms, 0, sizeof(params));
6235 if (!rdev->ops->change_station)
6239 * AID and listen_interval properties can be set only for unassociated
6240 * station. Include these parameters here and will check them in
6241 * cfg80211_check_station_change().
6243 if (info->attrs[NL80211_ATTR_STA_AID])
6244 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6246 if (info->attrs[NL80211_ATTR_VLAN_ID])
6247 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6249 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6250 params.listen_interval =
6251 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6253 params.listen_interval = -1;
6255 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
6256 params.support_p2p_ps =
6257 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6259 params.support_p2p_ps = -1;
6261 if (!info->attrs[NL80211_ATTR_MAC])
6264 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6266 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
6267 params.supported_rates =
6268 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6269 params.supported_rates_len =
6270 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6273 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6275 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6276 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6279 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6281 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6282 params.ext_capab_len =
6283 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6286 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6289 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6290 params.plink_action =
6291 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6293 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
6294 params.plink_state =
6295 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
6296 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
6297 params.peer_aid = nla_get_u16(
6298 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
6299 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
6302 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
6303 params.local_pm = nla_get_u32(
6304 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
6306 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6307 params.opmode_notif_used = true;
6308 params.opmode_notif =
6309 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6312 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6313 params.he_6ghz_capa =
6314 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6316 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6317 params.airtime_weight =
6318 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6320 if (params.airtime_weight &&
6321 !wiphy_ext_feature_isset(&rdev->wiphy,
6322 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6325 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6329 /* Include parameters for TDLS peer (will check later) */
6330 err = nl80211_set_station_tdls(info, ¶ms);
6334 params.vlan = get_vlan(info, rdev);
6335 if (IS_ERR(params.vlan))
6336 return PTR_ERR(params.vlan);
6338 switch (dev->ieee80211_ptr->iftype) {
6339 case NL80211_IFTYPE_AP:
6340 case NL80211_IFTYPE_AP_VLAN:
6341 case NL80211_IFTYPE_P2P_GO:
6342 case NL80211_IFTYPE_P2P_CLIENT:
6343 case NL80211_IFTYPE_STATION:
6344 case NL80211_IFTYPE_ADHOC:
6345 case NL80211_IFTYPE_MESH_POINT:
6352 /* driver will call cfg80211_check_station_change() */
6353 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
6357 dev_put(params.vlan);
6362 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
6364 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6366 struct net_device *dev = info->user_ptr[1];
6367 struct station_parameters params;
6368 u8 *mac_addr = NULL;
6369 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6370 BIT(NL80211_STA_FLAG_ASSOCIATED);
6372 memset(¶ms, 0, sizeof(params));
6374 if (!rdev->ops->add_station)
6377 if (!info->attrs[NL80211_ATTR_MAC])
6380 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6383 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
6386 if (!info->attrs[NL80211_ATTR_STA_AID] &&
6387 !info->attrs[NL80211_ATTR_PEER_AID])
6390 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6391 params.supported_rates =
6392 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6393 params.supported_rates_len =
6394 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6395 params.listen_interval =
6396 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6398 if (info->attrs[NL80211_ATTR_VLAN_ID])
6399 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6401 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
6402 params.support_p2p_ps =
6403 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6406 * if not specified, assume it's supported for P2P GO interface,
6407 * and is NOT supported for AP interface
6409 params.support_p2p_ps =
6410 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
6413 if (info->attrs[NL80211_ATTR_PEER_AID])
6414 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6416 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6418 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6420 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6421 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6424 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6426 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6427 params.ext_capab_len =
6428 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6431 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6433 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6435 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6437 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6439 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6441 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6442 params.he_capa_len =
6443 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6446 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6447 params.he_6ghz_capa =
6448 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6450 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6451 params.opmode_notif_used = true;
6452 params.opmode_notif =
6453 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6456 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6457 params.plink_action =
6458 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6460 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6461 params.airtime_weight =
6462 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6464 if (params.airtime_weight &&
6465 !wiphy_ext_feature_isset(&rdev->wiphy,
6466 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6469 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6473 err = nl80211_parse_sta_channel_info(info, ¶ms);
6477 err = nl80211_parse_sta_wme(info, ¶ms);
6481 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6484 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
6485 * as userspace might just pass through the capabilities from the IEs
6486 * directly, rather than enforcing this restriction and returning an
6487 * error in this case.
6489 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
6490 params.ht_capa = NULL;
6491 params.vht_capa = NULL;
6493 /* HE requires WME */
6494 if (params.he_capa_len || params.he_6ghz_capa)
6498 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
6499 if (params.he_6ghz_capa && (params.ht_capa || params.vht_capa))
6502 /* When you run into this, adjust the code below for the new flag */
6503 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6505 switch (dev->ieee80211_ptr->iftype) {
6506 case NL80211_IFTYPE_AP:
6507 case NL80211_IFTYPE_AP_VLAN:
6508 case NL80211_IFTYPE_P2P_GO:
6509 /* ignore WME attributes if iface/sta is not capable */
6510 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
6511 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
6512 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6514 /* TDLS peers cannot be added */
6515 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6516 info->attrs[NL80211_ATTR_PEER_AID])
6518 /* but don't bother the driver with it */
6519 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6521 /* allow authenticated/associated only if driver handles it */
6522 if (!(rdev->wiphy.features &
6523 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6524 params.sta_flags_mask & auth_assoc)
6527 /* Older userspace, or userspace wanting to be compatible with
6528 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
6529 * and assoc flags in the mask, but assumes the station will be
6530 * added as associated anyway since this was the required driver
6531 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
6533 * In order to not bother drivers with this quirk in the API
6534 * set the flags in both the mask and set for new stations in
6537 if (!(params.sta_flags_mask & auth_assoc)) {
6538 params.sta_flags_mask |= auth_assoc;
6539 params.sta_flags_set |= auth_assoc;
6542 /* must be last in here for error handling */
6543 params.vlan = get_vlan(info, rdev);
6544 if (IS_ERR(params.vlan))
6545 return PTR_ERR(params.vlan);
6547 case NL80211_IFTYPE_MESH_POINT:
6548 /* ignore uAPSD data */
6549 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6551 /* associated is disallowed */
6552 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6554 /* TDLS peers cannot be added */
6555 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6556 info->attrs[NL80211_ATTR_PEER_AID])
6559 case NL80211_IFTYPE_STATION:
6560 case NL80211_IFTYPE_P2P_CLIENT:
6561 /* ignore uAPSD data */
6562 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6564 /* these are disallowed */
6565 if (params.sta_flags_mask &
6566 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6567 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
6569 /* Only TDLS peers can be added */
6570 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6572 /* Can only add if TDLS ... */
6573 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6575 /* ... with external setup is supported */
6576 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6579 * Older wpa_supplicant versions always mark the TDLS peer
6580 * as authorized, but it shouldn't yet be.
6582 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
6588 /* be aware of params.vlan when changing code here */
6590 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
6593 dev_put(params.vlan);
6597 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6599 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6600 struct net_device *dev = info->user_ptr[1];
6601 struct station_del_parameters params;
6603 memset(¶ms, 0, sizeof(params));
6605 if (info->attrs[NL80211_ATTR_MAC])
6606 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
6608 switch (dev->ieee80211_ptr->iftype) {
6609 case NL80211_IFTYPE_AP:
6610 case NL80211_IFTYPE_AP_VLAN:
6611 case NL80211_IFTYPE_MESH_POINT:
6612 case NL80211_IFTYPE_P2P_GO:
6613 /* always accept these */
6615 case NL80211_IFTYPE_ADHOC:
6616 /* conditionally accept */
6617 if (wiphy_ext_feature_isset(&rdev->wiphy,
6618 NL80211_EXT_FEATURE_DEL_IBSS_STA))
6625 if (!rdev->ops->del_station)
6628 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6630 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6631 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6632 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6635 /* Default to Deauthentication frame */
6636 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6639 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6640 params.reason_code =
6641 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6642 if (params.reason_code == 0)
6643 return -EINVAL; /* 0 is reserved */
6645 /* Default to reason code 2 */
6646 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6649 return rdev_del_station(rdev, dev, ¶ms);
6652 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
6653 int flags, struct net_device *dev,
6654 u8 *dst, u8 *next_hop,
6655 struct mpath_info *pinfo)
6658 struct nlattr *pinfoattr;
6660 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
6664 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6665 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6666 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6667 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6668 goto nla_put_failure;
6670 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
6672 goto nla_put_failure;
6673 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6674 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6676 goto nla_put_failure;
6677 if (((pinfo->filled & MPATH_INFO_SN) &&
6678 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6679 ((pinfo->filled & MPATH_INFO_METRIC) &&
6680 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6682 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6683 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6685 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6686 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6688 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6689 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6690 pinfo->discovery_timeout)) ||
6691 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6692 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
6693 pinfo->discovery_retries)) ||
6694 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6695 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
6696 pinfo->hop_count)) ||
6697 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6698 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6699 pinfo->path_change_count)))
6700 goto nla_put_failure;
6702 nla_nest_end(msg, pinfoattr);
6704 genlmsg_end(msg, hdr);
6708 genlmsg_cancel(msg, hdr);
6712 static int nl80211_dump_mpath(struct sk_buff *skb,
6713 struct netlink_callback *cb)
6715 struct mpath_info pinfo;
6716 struct cfg80211_registered_device *rdev;
6717 struct wireless_dev *wdev;
6719 u8 next_hop[ETH_ALEN];
6720 int path_idx = cb->args[2];
6724 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6728 if (!rdev->ops->dump_mpath) {
6733 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6739 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6746 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6747 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6748 wdev->netdev, dst, next_hop,
6756 cb->args[2] = path_idx;
6763 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6765 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6767 struct net_device *dev = info->user_ptr[1];
6768 struct mpath_info pinfo;
6769 struct sk_buff *msg;
6771 u8 next_hop[ETH_ALEN];
6773 memset(&pinfo, 0, sizeof(pinfo));
6775 if (!info->attrs[NL80211_ATTR_MAC])
6778 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6780 if (!rdev->ops->get_mpath)
6783 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6786 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6790 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6794 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6795 dev, dst, next_hop, &pinfo) < 0) {
6800 return genlmsg_reply(msg, info);
6803 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6805 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6806 struct net_device *dev = info->user_ptr[1];
6808 u8 *next_hop = NULL;
6810 if (!info->attrs[NL80211_ATTR_MAC])
6813 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6816 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6817 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6819 if (!rdev->ops->change_mpath)
6822 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6825 return rdev_change_mpath(rdev, dev, dst, next_hop);
6828 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6830 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6831 struct net_device *dev = info->user_ptr[1];
6833 u8 *next_hop = NULL;
6835 if (!info->attrs[NL80211_ATTR_MAC])
6838 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6841 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6842 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6844 if (!rdev->ops->add_mpath)
6847 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6850 return rdev_add_mpath(rdev, dev, dst, next_hop);
6853 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6855 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6856 struct net_device *dev = info->user_ptr[1];
6859 if (info->attrs[NL80211_ATTR_MAC])
6860 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6862 if (!rdev->ops->del_mpath)
6865 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6868 return rdev_del_mpath(rdev, dev, dst);
6871 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6873 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6875 struct net_device *dev = info->user_ptr[1];
6876 struct mpath_info pinfo;
6877 struct sk_buff *msg;
6881 memset(&pinfo, 0, sizeof(pinfo));
6883 if (!info->attrs[NL80211_ATTR_MAC])
6886 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6888 if (!rdev->ops->get_mpp)
6891 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6894 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6898 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6902 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6903 dev, dst, mpp, &pinfo) < 0) {
6908 return genlmsg_reply(msg, info);
6911 static int nl80211_dump_mpp(struct sk_buff *skb,
6912 struct netlink_callback *cb)
6914 struct mpath_info pinfo;
6915 struct cfg80211_registered_device *rdev;
6916 struct wireless_dev *wdev;
6919 int path_idx = cb->args[2];
6923 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6927 if (!rdev->ops->dump_mpp) {
6932 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6938 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6945 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6946 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6947 wdev->netdev, dst, mpp,
6955 cb->args[2] = path_idx;
6962 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6964 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6965 struct net_device *dev = info->user_ptr[1];
6966 struct wireless_dev *wdev = dev->ieee80211_ptr;
6967 struct bss_parameters params;
6970 memset(¶ms, 0, sizeof(params));
6971 /* default to not changing parameters */
6972 params.use_cts_prot = -1;
6973 params.use_short_preamble = -1;
6974 params.use_short_slot_time = -1;
6975 params.ap_isolate = -1;
6976 params.ht_opmode = -1;
6977 params.p2p_ctwindow = -1;
6978 params.p2p_opp_ps = -1;
6980 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6981 params.use_cts_prot =
6982 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6983 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6984 params.use_short_preamble =
6985 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6986 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6987 params.use_short_slot_time =
6988 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
6989 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6990 params.basic_rates =
6991 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6992 params.basic_rates_len =
6993 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6995 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6996 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
6997 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6999 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
7001 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7002 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7004 params.p2p_ctwindow =
7005 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
7006 if (params.p2p_ctwindow != 0 &&
7007 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7011 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7014 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7016 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
7017 params.p2p_opp_ps = tmp;
7018 if (params.p2p_opp_ps &&
7019 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7023 if (!rdev->ops->change_bss)
7026 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7027 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7031 err = rdev_change_bss(rdev, dev, ¶ms);
7037 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7041 enum nl80211_user_reg_hint_type user_reg_hint_type;
7045 * You should only get this when cfg80211 hasn't yet initialized
7046 * completely when built-in to the kernel right between the time
7047 * window between nl80211_init() and regulatory_init(), if that is
7050 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
7051 return -EINPROGRESS;
7053 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7054 user_reg_hint_type =
7055 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7057 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7059 switch (user_reg_hint_type) {
7060 case NL80211_USER_REG_HINT_USER:
7061 case NL80211_USER_REG_HINT_CELL_BASE:
7062 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7065 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7066 return regulatory_hint_user(data, user_reg_hint_type);
7067 case NL80211_USER_REG_HINT_INDOOR:
7068 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7069 owner_nlportid = info->snd_portid;
7070 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7076 return regulatory_hint_indoor(is_indoor, owner_nlportid);
7082 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7084 return reg_reload_regdb();
7087 static int nl80211_get_mesh_config(struct sk_buff *skb,
7088 struct genl_info *info)
7090 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7091 struct net_device *dev = info->user_ptr[1];
7092 struct wireless_dev *wdev = dev->ieee80211_ptr;
7093 struct mesh_config cur_params;
7096 struct nlattr *pinfoattr;
7097 struct sk_buff *msg;
7099 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7102 if (!rdev->ops->get_mesh_config)
7106 /* If not connected, get default parameters */
7107 if (!wdev->mesh_id_len)
7108 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
7110 err = rdev_get_mesh_config(rdev, dev, &cur_params);
7116 /* Draw up a netlink message to send back */
7117 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7120 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7121 NL80211_CMD_GET_MESH_CONFIG);
7124 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
7126 goto nla_put_failure;
7127 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7128 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
7129 cur_params.dot11MeshRetryTimeout) ||
7130 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
7131 cur_params.dot11MeshConfirmTimeout) ||
7132 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
7133 cur_params.dot11MeshHoldingTimeout) ||
7134 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7135 cur_params.dot11MeshMaxPeerLinks) ||
7136 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
7137 cur_params.dot11MeshMaxRetries) ||
7138 nla_put_u8(msg, NL80211_MESHCONF_TTL,
7139 cur_params.dot11MeshTTL) ||
7140 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
7141 cur_params.element_ttl) ||
7142 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7143 cur_params.auto_open_plinks) ||
7144 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7145 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
7146 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7147 cur_params.dot11MeshHWMPmaxPREQretries) ||
7148 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
7149 cur_params.path_refresh_time) ||
7150 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7151 cur_params.min_discovery_timeout) ||
7152 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7153 cur_params.dot11MeshHWMPactivePathTimeout) ||
7154 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7155 cur_params.dot11MeshHWMPpreqMinInterval) ||
7156 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7157 cur_params.dot11MeshHWMPperrMinInterval) ||
7158 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7159 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
7160 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
7161 cur_params.dot11MeshHWMPRootMode) ||
7162 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7163 cur_params.dot11MeshHWMPRannInterval) ||
7164 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7165 cur_params.dot11MeshGateAnnouncementProtocol) ||
7166 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
7167 cur_params.dot11MeshForwarding) ||
7168 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
7169 cur_params.rssi_threshold) ||
7170 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
7171 cur_params.ht_opmode) ||
7172 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7173 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
7174 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7175 cur_params.dot11MeshHWMProotInterval) ||
7176 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7177 cur_params.dot11MeshHWMPconfirmationInterval) ||
7178 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
7179 cur_params.power_mode) ||
7180 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
7181 cur_params.dot11MeshAwakeWindowDuration) ||
7182 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
7183 cur_params.plink_timeout) ||
7184 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
7185 cur_params.dot11MeshConnectedToMeshGate) ||
7186 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
7187 cur_params.dot11MeshNolearn) ||
7188 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
7189 cur_params.dot11MeshConnectedToAuthServer))
7190 goto nla_put_failure;
7191 nla_nest_end(msg, pinfoattr);
7192 genlmsg_end(msg, hdr);
7193 return genlmsg_reply(msg, info);
7201 static const struct nla_policy
7202 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
7203 [NL80211_MESHCONF_RETRY_TIMEOUT] =
7204 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7205 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
7206 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7207 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
7208 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7209 [NL80211_MESHCONF_MAX_PEER_LINKS] =
7210 NLA_POLICY_RANGE(NLA_U16, 0, 255),
7211 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
7212 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7213 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7214 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
7215 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
7216 NLA_POLICY_RANGE(NLA_U32, 1, 255),
7217 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
7218 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
7219 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
7220 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
7221 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
7222 NLA_POLICY_MIN(NLA_U16, 1),
7223 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
7224 NLA_POLICY_MIN(NLA_U16, 1),
7225 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
7226 NLA_POLICY_MIN(NLA_U16, 1),
7227 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
7228 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
7229 NLA_POLICY_MIN(NLA_U16, 1),
7230 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
7231 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
7232 [NL80211_MESHCONF_RSSI_THRESHOLD] =
7233 NLA_POLICY_RANGE(NLA_S32, -255, 0),
7234 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
7235 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
7236 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
7237 NLA_POLICY_MIN(NLA_U16, 1),
7238 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
7239 NLA_POLICY_MIN(NLA_U16, 1),
7240 [NL80211_MESHCONF_POWER_MODE] =
7241 NLA_POLICY_RANGE(NLA_U32,
7242 NL80211_MESH_POWER_ACTIVE,
7243 NL80211_MESH_POWER_MAX),
7244 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
7245 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
7246 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7247 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7248 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7251 static const struct nla_policy
7252 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
7253 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
7254 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
7255 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
7256 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
7257 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
7258 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
7259 [NL80211_MESH_SETUP_IE] =
7260 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
7261 IEEE80211_MAX_DATA_LEN),
7262 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
7265 static int nl80211_parse_mesh_config(struct genl_info *info,
7266 struct mesh_config *cfg,
7269 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
7273 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
7276 cfg->param = fn(tb[attr]); \
7277 mask |= BIT((attr) - 1); \
7281 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
7283 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
7286 /* This makes sure that there aren't more than 32 mesh config
7287 * parameters (otherwise our bitfield scheme would not work.) */
7288 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
7290 /* Fill in the params struct */
7291 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
7292 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
7293 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
7294 NL80211_MESHCONF_CONFIRM_TIMEOUT,
7296 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
7297 NL80211_MESHCONF_HOLDING_TIMEOUT,
7299 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
7300 NL80211_MESHCONF_MAX_PEER_LINKS,
7302 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
7303 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
7304 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
7305 NL80211_MESHCONF_TTL, nla_get_u8);
7306 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
7307 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
7308 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
7309 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7311 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
7313 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7315 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
7316 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7318 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
7319 NL80211_MESHCONF_PATH_REFRESH_TIME,
7321 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
7322 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
7324 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
7325 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7327 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
7329 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7331 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
7332 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
7333 cfg->dot11MeshHWMPactivePathTimeout > 65535))
7335 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
7336 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7338 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
7339 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7341 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7342 dot11MeshHWMPnetDiameterTraversalTime, mask,
7343 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7345 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
7346 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
7347 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
7348 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7350 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
7351 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7353 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
7354 NL80211_MESHCONF_FORWARDING, nla_get_u8);
7355 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
7356 NL80211_MESHCONF_RSSI_THRESHOLD,
7358 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
7359 NL80211_MESHCONF_CONNECTED_TO_GATE,
7361 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
7362 NL80211_MESHCONF_CONNECTED_TO_AS,
7365 * Check HT operation mode based on
7366 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
7368 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
7369 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
7371 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
7372 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
7373 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
7376 /* NON_HT_STA bit is reserved, but some programs set it */
7377 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
7379 cfg->ht_opmode = ht_opmode;
7380 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
7382 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7383 dot11MeshHWMPactivePathToRootTimeout, mask,
7384 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7386 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
7387 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
7388 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
7390 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
7391 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7393 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
7395 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7397 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
7398 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
7399 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
7400 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
7401 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
7402 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
7403 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
7404 NL80211_MESHCONF_NOLEARN, nla_get_u8);
7410 #undef FILL_IN_MESH_PARAM_IF_SET
7413 static int nl80211_parse_mesh_setup(struct genl_info *info,
7414 struct mesh_setup *setup)
7416 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7417 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
7419 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
7421 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
7424 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
7425 setup->sync_method =
7426 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
7427 IEEE80211_SYNC_METHOD_VENDOR :
7428 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
7430 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
7431 setup->path_sel_proto =
7432 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
7433 IEEE80211_PATH_PROTOCOL_VENDOR :
7434 IEEE80211_PATH_PROTOCOL_HWMP;
7436 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
7437 setup->path_metric =
7438 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
7439 IEEE80211_PATH_METRIC_VENDOR :
7440 IEEE80211_PATH_METRIC_AIRTIME;
7442 if (tb[NL80211_MESH_SETUP_IE]) {
7443 struct nlattr *ieattr =
7444 tb[NL80211_MESH_SETUP_IE];
7445 setup->ie = nla_data(ieattr);
7446 setup->ie_len = nla_len(ieattr);
7448 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
7449 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
7451 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
7452 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
7453 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
7454 if (setup->is_secure)
7455 setup->user_mpm = true;
7457 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
7458 if (!setup->user_mpm)
7461 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
7467 static int nl80211_update_mesh_config(struct sk_buff *skb,
7468 struct genl_info *info)
7470 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7471 struct net_device *dev = info->user_ptr[1];
7472 struct wireless_dev *wdev = dev->ieee80211_ptr;
7473 struct mesh_config cfg = {};
7477 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7480 if (!rdev->ops->update_mesh_config)
7483 err = nl80211_parse_mesh_config(info, &cfg, &mask);
7488 if (!wdev->mesh_id_len)
7492 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
7499 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
7500 struct sk_buff *msg)
7502 struct nlattr *nl_reg_rules;
7505 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
7506 (regdom->dfs_region &&
7507 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
7508 goto nla_put_failure;
7510 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
7512 goto nla_put_failure;
7514 for (i = 0; i < regdom->n_reg_rules; i++) {
7515 struct nlattr *nl_reg_rule;
7516 const struct ieee80211_reg_rule *reg_rule;
7517 const struct ieee80211_freq_range *freq_range;
7518 const struct ieee80211_power_rule *power_rule;
7519 unsigned int max_bandwidth_khz;
7521 reg_rule = ®dom->reg_rules[i];
7522 freq_range = ®_rule->freq_range;
7523 power_rule = ®_rule->power_rule;
7525 nl_reg_rule = nla_nest_start_noflag(msg, i);
7527 goto nla_put_failure;
7529 max_bandwidth_khz = freq_range->max_bandwidth_khz;
7530 if (!max_bandwidth_khz)
7531 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
7534 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
7536 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
7537 freq_range->start_freq_khz) ||
7538 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
7539 freq_range->end_freq_khz) ||
7540 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
7541 max_bandwidth_khz) ||
7542 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
7543 power_rule->max_antenna_gain) ||
7544 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
7545 power_rule->max_eirp) ||
7546 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
7547 reg_rule->dfs_cac_ms))
7548 goto nla_put_failure;
7550 nla_nest_end(msg, nl_reg_rule);
7553 nla_nest_end(msg, nl_reg_rules);
7560 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
7562 const struct ieee80211_regdomain *regdom = NULL;
7563 struct cfg80211_registered_device *rdev;
7564 struct wiphy *wiphy = NULL;
7565 struct sk_buff *msg;
7568 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7572 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7573 NL80211_CMD_GET_REG);
7577 if (info->attrs[NL80211_ATTR_WIPHY]) {
7580 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7583 return PTR_ERR(rdev);
7586 wiphy = &rdev->wiphy;
7587 self_managed = wiphy->regulatory_flags &
7588 REGULATORY_WIPHY_SELF_MANAGED;
7589 regdom = get_wiphy_regdom(wiphy);
7591 /* a self-managed-reg device must have a private regdom */
7592 if (WARN_ON(!regdom && self_managed)) {
7598 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7599 goto nla_put_failure;
7602 if (!wiphy && reg_last_request_cell_base() &&
7603 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7604 NL80211_USER_REG_HINT_CELL_BASE))
7605 goto nla_put_failure;
7610 regdom = rcu_dereference(cfg80211_regdomain);
7612 if (nl80211_put_regdom(regdom, msg))
7613 goto nla_put_failure_rcu;
7617 genlmsg_end(msg, hdr);
7618 return genlmsg_reply(msg, info);
7620 nla_put_failure_rcu:
7628 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7629 u32 seq, int flags, struct wiphy *wiphy,
7630 const struct ieee80211_regdomain *regdom)
7632 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7633 NL80211_CMD_GET_REG);
7638 genl_dump_check_consistent(cb, hdr);
7640 if (nl80211_put_regdom(regdom, msg))
7641 goto nla_put_failure;
7643 if (!wiphy && reg_last_request_cell_base() &&
7644 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7645 NL80211_USER_REG_HINT_CELL_BASE))
7646 goto nla_put_failure;
7649 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7650 goto nla_put_failure;
7652 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7653 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7654 goto nla_put_failure;
7656 genlmsg_end(msg, hdr);
7660 genlmsg_cancel(msg, hdr);
7664 static int nl80211_get_reg_dump(struct sk_buff *skb,
7665 struct netlink_callback *cb)
7667 const struct ieee80211_regdomain *regdom = NULL;
7668 struct cfg80211_registered_device *rdev;
7669 int err, reg_idx, start = cb->args[2];
7673 if (cfg80211_regdomain && start == 0) {
7674 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7676 rtnl_dereference(cfg80211_regdomain));
7681 /* the global regdom is idx 0 */
7683 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7684 regdom = get_wiphy_regdom(&rdev->wiphy);
7688 if (++reg_idx <= start)
7691 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7692 NLM_F_MULTI, &rdev->wiphy, regdom);
7699 cb->args[2] = reg_idx;
7706 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
7707 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7708 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7709 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7710 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7711 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7712 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7713 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7714 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7717 static int parse_reg_rule(struct nlattr *tb[],
7718 struct ieee80211_reg_rule *reg_rule)
7720 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
7721 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
7723 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7725 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7727 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7729 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7731 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7734 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7736 freq_range->start_freq_khz =
7737 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7738 freq_range->end_freq_khz =
7739 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7740 freq_range->max_bandwidth_khz =
7741 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7743 power_rule->max_eirp =
7744 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7746 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7747 power_rule->max_antenna_gain =
7748 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7750 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7751 reg_rule->dfs_cac_ms =
7752 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7757 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7759 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7760 struct nlattr *nl_reg_rule;
7762 int rem_reg_rules, r;
7763 u32 num_rules = 0, rule_idx = 0;
7764 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7765 struct ieee80211_regdomain *rd;
7767 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7770 if (!info->attrs[NL80211_ATTR_REG_RULES])
7773 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7775 if (info->attrs[NL80211_ATTR_DFS_REGION])
7776 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7778 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7781 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7785 if (!reg_is_valid_request(alpha2))
7788 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7792 rd->n_reg_rules = num_rules;
7793 rd->alpha2[0] = alpha2[0];
7794 rd->alpha2[1] = alpha2[1];
7797 * Disable DFS master mode if the DFS region was
7798 * not supported or known on this kernel.
7800 if (reg_supported_dfs_region(dfs_region))
7801 rd->dfs_region = dfs_region;
7803 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7805 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7806 nl_reg_rule, reg_rule_policy,
7810 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7816 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7822 /* set_regdom takes ownership of rd */
7823 return set_regdom(rd, REGD_SOURCE_CRDA);
7828 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7830 static int validate_scan_freqs(struct nlattr *freqs)
7832 struct nlattr *attr1, *attr2;
7833 int n_channels = 0, tmp1, tmp2;
7835 nla_for_each_nested(attr1, freqs, tmp1)
7836 if (nla_len(attr1) != sizeof(u32))
7839 nla_for_each_nested(attr1, freqs, tmp1) {
7842 * Some hardware has a limited channel list for
7843 * scanning, and it is pretty much nonsensical
7844 * to scan for a channel twice, so disallow that
7845 * and don't require drivers to check that the
7846 * channel list they get isn't longer than what
7847 * they can scan, as long as they can scan all
7848 * the channels they registered at once.
7850 nla_for_each_nested(attr2, freqs, tmp2)
7851 if (attr1 != attr2 &&
7852 nla_get_u32(attr1) == nla_get_u32(attr2))
7859 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
7861 return b < NUM_NL80211_BANDS && wiphy->bands[b];
7864 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7865 struct cfg80211_bss_selection *bss_select)
7867 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7868 struct nlattr *nest;
7873 /* only process one nested attribute */
7874 nest = nla_data(nla);
7875 if (!nla_ok(nest, nla_len(nest)))
7878 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7879 nest, nl80211_bss_select_policy,
7884 /* only one attribute may be given */
7885 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7893 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7895 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7896 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7898 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7899 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7900 bss_select->param.band_pref =
7901 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7902 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7906 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7907 struct nl80211_bss_select_rssi_adjust *adj_param;
7909 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7910 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7911 bss_select->param.adjust.band = adj_param->band;
7912 bss_select->param.adjust.delta = adj_param->delta;
7913 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7917 /* user-space did not provide behaviour attribute */
7918 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7921 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7927 int nl80211_parse_random_mac(struct nlattr **attrs,
7928 u8 *mac_addr, u8 *mac_addr_mask)
7932 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
7933 eth_zero_addr(mac_addr);
7934 eth_zero_addr(mac_addr_mask);
7936 mac_addr_mask[0] = 0x3;
7941 /* need both or none */
7942 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7945 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7946 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7948 /* don't allow or configure an mcast address */
7949 if (!is_multicast_ether_addr(mac_addr_mask) ||
7950 is_multicast_ether_addr(mac_addr))
7954 * allow users to pass a MAC address that has bits set outside
7955 * of the mask, but don't bother drivers with having to deal
7958 for (i = 0; i < ETH_ALEN; i++)
7959 mac_addr[i] &= mac_addr_mask[i];
7964 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7966 ASSERT_WDEV_LOCK(wdev);
7968 if (!cfg80211_beaconing_iface_active(wdev))
7971 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7974 return regulatory_pre_cac_allowed(wdev->wiphy);
7977 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7978 enum nl80211_ext_feature_index feat)
7980 if (!(flags & flag))
7982 if (wiphy_ext_feature_isset(wiphy, feat))
7988 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7989 void *request, struct nlattr **attrs,
7992 u8 *mac_addr, *mac_addr_mask;
7994 enum nl80211_feature_flags randomness_flag;
7996 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7999 if (is_sched_scan) {
8000 struct cfg80211_sched_scan_request *req = request;
8002 randomness_flag = wdev ?
8003 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8004 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8005 flags = &req->flags;
8006 mac_addr = req->mac_addr;
8007 mac_addr_mask = req->mac_addr_mask;
8009 struct cfg80211_scan_request *req = request;
8011 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8012 flags = &req->flags;
8013 mac_addr = req->mac_addr;
8014 mac_addr_mask = req->mac_addr_mask;
8017 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8019 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8020 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
8021 !nl80211_check_scan_feat(wiphy, *flags,
8022 NL80211_SCAN_FLAG_LOW_SPAN,
8023 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8024 !nl80211_check_scan_feat(wiphy, *flags,
8025 NL80211_SCAN_FLAG_LOW_POWER,
8026 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8027 !nl80211_check_scan_feat(wiphy, *flags,
8028 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8029 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8030 !nl80211_check_scan_feat(wiphy, *flags,
8031 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8032 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8033 !nl80211_check_scan_feat(wiphy, *flags,
8034 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8035 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8036 !nl80211_check_scan_feat(wiphy, *flags,
8037 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8038 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8039 !nl80211_check_scan_feat(wiphy, *flags,
8040 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
8041 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8042 !nl80211_check_scan_feat(wiphy, *flags,
8043 NL80211_SCAN_FLAG_RANDOM_SN,
8044 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8045 !nl80211_check_scan_feat(wiphy, *flags,
8046 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8047 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
8050 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
8053 if (!(wiphy->features & randomness_flag) ||
8054 (wdev && wdev->current_bss))
8057 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
8065 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
8067 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8068 struct wireless_dev *wdev = info->user_ptr[1];
8069 struct cfg80211_scan_request *request;
8070 struct nlattr *scan_freqs = NULL;
8071 bool scan_freqs_khz = false;
8072 struct nlattr *attr;
8073 struct wiphy *wiphy;
8074 int err, tmp, n_ssids = 0, n_channels, i;
8077 wiphy = &rdev->wiphy;
8079 if (wdev->iftype == NL80211_IFTYPE_NAN)
8082 if (!rdev->ops->scan)
8085 if (rdev->scan_req || rdev->scan_msg)
8088 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
8089 if (!wiphy_ext_feature_isset(wiphy,
8090 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
8092 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
8093 scan_freqs_khz = true;
8094 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
8095 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
8098 n_channels = validate_scan_freqs(scan_freqs);
8102 n_channels = ieee80211_get_num_supported_channels(wiphy);
8105 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
8106 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
8109 if (n_ssids > wiphy->max_scan_ssids)
8112 if (info->attrs[NL80211_ATTR_IE])
8113 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8117 if (ie_len > wiphy->max_scan_ie_len)
8120 request = kzalloc(sizeof(*request)
8121 + sizeof(*request->ssids) * n_ssids
8122 + sizeof(*request->channels) * n_channels
8123 + ie_len, GFP_KERNEL);
8128 request->ssids = (void *)&request->channels[n_channels];
8129 request->n_ssids = n_ssids;
8132 request->ie = (void *)(request->ssids + n_ssids);
8134 request->ie = (void *)(request->channels + n_channels);
8139 /* user specified, bail out if channel not found */
8140 nla_for_each_nested(attr, scan_freqs, tmp) {
8141 struct ieee80211_channel *chan;
8142 int freq = nla_get_u32(attr);
8144 if (!scan_freqs_khz)
8145 freq = MHZ_TO_KHZ(freq);
8147 chan = ieee80211_get_channel_khz(wiphy, freq);
8153 /* ignore disabled channels */
8154 if (chan->flags & IEEE80211_CHAN_DISABLED)
8157 request->channels[i] = chan;
8161 enum nl80211_band band;
8164 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8167 if (!wiphy->bands[band])
8169 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8170 struct ieee80211_channel *chan;
8172 chan = &wiphy->bands[band]->channels[j];
8174 if (chan->flags & IEEE80211_CHAN_DISABLED)
8177 request->channels[i] = chan;
8188 request->n_channels = i;
8191 if (!cfg80211_off_channel_oper_allowed(wdev)) {
8192 struct ieee80211_channel *chan;
8194 if (request->n_channels != 1) {
8200 chan = request->channels[0];
8201 if (chan->center_freq != wdev->chandef.chan->center_freq) {
8211 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
8212 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8216 request->ssids[i].ssid_len = nla_len(attr);
8217 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
8222 if (info->attrs[NL80211_ATTR_IE]) {
8223 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8224 memcpy((void *)request->ie,
8225 nla_data(info->attrs[NL80211_ATTR_IE]),
8229 for (i = 0; i < NUM_NL80211_BANDS; i++)
8230 if (wiphy->bands[i])
8232 (1 << wiphy->bands[i]->n_bitrates) - 1;
8234 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
8235 nla_for_each_nested(attr,
8236 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
8238 enum nl80211_band band = nla_type(attr);
8240 if (band < 0 || band >= NUM_NL80211_BANDS) {
8245 if (!wiphy->bands[band])
8248 err = ieee80211_get_ratemask(wiphy->bands[band],
8251 &request->rates[band]);
8257 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
8258 if (!wiphy_ext_feature_isset(wiphy,
8259 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
8265 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
8266 request->duration_mandatory =
8267 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
8270 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
8276 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
8278 /* Initial implementation used NL80211_ATTR_MAC to set the specific
8279 * BSSID to scan for. This was problematic because that same attribute
8280 * was already used for another purpose (local random MAC address). The
8281 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
8282 * compatibility with older userspace components, also use the
8283 * NL80211_ATTR_MAC value here if it can be determined to be used for
8284 * the specific BSSID use case instead of the random MAC address
8285 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
8287 if (info->attrs[NL80211_ATTR_BSSID])
8288 memcpy(request->bssid,
8289 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
8290 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
8291 info->attrs[NL80211_ATTR_MAC])
8292 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
8295 eth_broadcast_addr(request->bssid);
8297 request->wdev = wdev;
8298 request->wiphy = &rdev->wiphy;
8299 request->scan_start = jiffies;
8301 rdev->scan_req = request;
8302 err = cfg80211_scan(rdev);
8307 nl80211_send_scan_start(rdev, wdev);
8309 dev_hold(wdev->netdev);
8314 rdev->scan_req = NULL;
8320 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
8322 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8323 struct wireless_dev *wdev = info->user_ptr[1];
8325 if (!rdev->ops->abort_scan)
8331 if (!rdev->scan_req)
8334 rdev_abort_scan(rdev, wdev);
8339 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
8340 struct cfg80211_sched_scan_request *request,
8341 struct nlattr **attrs)
8343 int tmp, err, i = 0;
8344 struct nlattr *attr;
8346 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8350 * If scan plans are not specified,
8351 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
8352 * case one scan plan will be set with the specified scan
8353 * interval and infinite number of iterations.
8355 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
8359 request->scan_plans[0].interval =
8360 DIV_ROUND_UP(interval, MSEC_PER_SEC);
8361 if (!request->scan_plans[0].interval)
8364 if (request->scan_plans[0].interval >
8365 wiphy->max_sched_scan_plan_interval)
8366 request->scan_plans[0].interval =
8367 wiphy->max_sched_scan_plan_interval;
8372 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
8373 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
8375 if (WARN_ON(i >= n_plans))
8378 err = nla_parse_nested_deprecated(plan,
8379 NL80211_SCHED_SCAN_PLAN_MAX,
8380 attr, nl80211_plan_policy,
8385 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
8388 request->scan_plans[i].interval =
8389 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
8390 if (!request->scan_plans[i].interval ||
8391 request->scan_plans[i].interval >
8392 wiphy->max_sched_scan_plan_interval)
8395 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
8396 request->scan_plans[i].iterations =
8397 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
8398 if (!request->scan_plans[i].iterations ||
8399 (request->scan_plans[i].iterations >
8400 wiphy->max_sched_scan_plan_iterations))
8402 } else if (i < n_plans - 1) {
8404 * All scan plans but the last one must specify
8405 * a finite number of iterations
8414 * The last scan plan must not specify the number of
8415 * iterations, it is supposed to run infinitely
8417 if (request->scan_plans[n_plans - 1].iterations)
8424 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
8425 struct cfg80211_match_set *match_sets,
8426 struct nlattr *tb_band_rssi,
8429 struct nlattr *attr;
8430 int i, tmp, ret = 0;
8432 if (!wiphy_ext_feature_isset(wiphy,
8433 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
8437 for (i = 0; i < NUM_NL80211_BANDS; i++)
8438 match_sets->per_band_rssi_thold[i] =
8439 NL80211_SCAN_RSSI_THOLD_OFF;
8443 for (i = 0; i < NUM_NL80211_BANDS; i++)
8444 match_sets->per_band_rssi_thold[i] = rssi_thold;
8446 nla_for_each_nested(attr, tb_band_rssi, tmp) {
8447 enum nl80211_band band = nla_type(attr);
8449 if (band < 0 || band >= NUM_NL80211_BANDS)
8452 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
8458 static struct cfg80211_sched_scan_request *
8459 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
8460 struct nlattr **attrs, int max_match_sets)
8462 struct cfg80211_sched_scan_request *request;
8463 struct nlattr *attr;
8464 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
8465 enum nl80211_band band;
8467 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
8468 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
8470 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8471 n_channels = validate_scan_freqs(
8472 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
8474 return ERR_PTR(-EINVAL);
8476 n_channels = ieee80211_get_num_supported_channels(wiphy);
8479 if (attrs[NL80211_ATTR_SCAN_SSIDS])
8480 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8484 if (n_ssids > wiphy->max_sched_scan_ssids)
8485 return ERR_PTR(-EINVAL);
8488 * First, count the number of 'real' matchsets. Due to an issue with
8489 * the old implementation, matchsets containing only the RSSI attribute
8490 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
8491 * RSSI for all matchsets, rather than their own matchset for reporting
8492 * all APs with a strong RSSI. This is needed to be compatible with
8493 * older userspace that treated a matchset with only the RSSI as the
8494 * global RSSI for all other matchsets - if there are other matchsets.
8496 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8497 nla_for_each_nested(attr,
8498 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8500 struct nlattr *rssi;
8502 err = nla_parse_nested_deprecated(tb,
8503 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8505 nl80211_match_policy,
8508 return ERR_PTR(err);
8510 /* SSID and BSSID are mutually exclusive */
8511 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
8512 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
8513 return ERR_PTR(-EINVAL);
8515 /* add other standalone attributes here */
8516 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
8517 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
8521 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8523 default_match_rssi = nla_get_s32(rssi);
8527 /* However, if there's no other matchset, add the RSSI one */
8528 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
8531 if (n_match_sets > max_match_sets)
8532 return ERR_PTR(-EINVAL);
8534 if (attrs[NL80211_ATTR_IE])
8535 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
8539 if (ie_len > wiphy->max_sched_scan_ie_len)
8540 return ERR_PTR(-EINVAL);
8542 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8544 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
8545 * each scan plan already specifies its own interval
8547 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8548 return ERR_PTR(-EINVAL);
8550 nla_for_each_nested(attr,
8551 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
8555 * The scan interval attribute is kept for backward
8556 * compatibility. If no scan plans are specified and sched scan
8557 * interval is specified, one scan plan will be set with this
8558 * scan interval and infinite number of iterations.
8560 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8561 return ERR_PTR(-EINVAL);
8566 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
8567 return ERR_PTR(-EINVAL);
8569 if (!wiphy_ext_feature_isset(
8570 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
8571 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
8572 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8573 return ERR_PTR(-EINVAL);
8575 request = kzalloc(sizeof(*request)
8576 + sizeof(*request->ssids) * n_ssids
8577 + sizeof(*request->match_sets) * n_match_sets
8578 + sizeof(*request->scan_plans) * n_plans
8579 + sizeof(*request->channels) * n_channels
8580 + ie_len, GFP_KERNEL);
8582 return ERR_PTR(-ENOMEM);
8585 request->ssids = (void *)&request->channels[n_channels];
8586 request->n_ssids = n_ssids;
8589 request->ie = (void *)(request->ssids + n_ssids);
8591 request->ie = (void *)(request->channels + n_channels);
8596 request->match_sets = (void *)(request->ie + ie_len);
8598 request->match_sets =
8599 (void *)(request->ssids + n_ssids);
8601 request->match_sets =
8602 (void *)(request->channels + n_channels);
8604 request->n_match_sets = n_match_sets;
8607 request->scan_plans = (void *)(request->match_sets +
8609 else if (request->ie)
8610 request->scan_plans = (void *)(request->ie + ie_len);
8612 request->scan_plans = (void *)(request->ssids + n_ssids);
8614 request->scan_plans = (void *)(request->channels + n_channels);
8616 request->n_scan_plans = n_plans;
8619 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8620 /* user specified, bail out if channel not found */
8621 nla_for_each_nested(attr,
8622 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
8624 struct ieee80211_channel *chan;
8626 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8633 /* ignore disabled channels */
8634 if (chan->flags & IEEE80211_CHAN_DISABLED)
8637 request->channels[i] = chan;
8642 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8645 if (!wiphy->bands[band])
8647 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8648 struct ieee80211_channel *chan;
8650 chan = &wiphy->bands[band]->channels[j];
8652 if (chan->flags & IEEE80211_CHAN_DISABLED)
8655 request->channels[i] = chan;
8666 request->n_channels = i;
8670 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8672 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8676 request->ssids[i].ssid_len = nla_len(attr);
8677 memcpy(request->ssids[i].ssid, nla_data(attr),
8684 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8685 nla_for_each_nested(attr,
8686 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8688 struct nlattr *ssid, *bssid, *rssi;
8690 err = nla_parse_nested_deprecated(tb,
8691 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8693 nl80211_match_policy,
8697 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
8698 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
8700 if (!ssid && !bssid) {
8705 if (WARN_ON(i >= n_match_sets)) {
8706 /* this indicates a programming error,
8707 * the loop above should have verified
8715 memcpy(request->match_sets[i].ssid.ssid,
8716 nla_data(ssid), nla_len(ssid));
8717 request->match_sets[i].ssid.ssid_len =
8721 memcpy(request->match_sets[i].bssid,
8722 nla_data(bssid), ETH_ALEN);
8724 /* special attribute - old implementation w/a */
8725 request->match_sets[i].rssi_thold = default_match_rssi;
8726 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8728 request->match_sets[i].rssi_thold =
8731 /* Parse per band RSSI attribute */
8732 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8733 &request->match_sets[i],
8734 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8735 request->match_sets[i].rssi_thold);
8742 /* there was no other matchset, so the RSSI one is alone */
8743 if (i == 0 && n_match_sets)
8744 request->match_sets[0].rssi_thold = default_match_rssi;
8746 request->min_rssi_thold = INT_MAX;
8747 for (i = 0; i < n_match_sets; i++)
8748 request->min_rssi_thold =
8749 min(request->match_sets[i].rssi_thold,
8750 request->min_rssi_thold);
8752 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8756 request->ie_len = ie_len;
8757 memcpy((void *)request->ie,
8758 nla_data(attrs[NL80211_ATTR_IE]),
8762 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8766 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8768 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8770 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8771 request->relative_rssi = nla_get_s8(
8772 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8773 request->relative_rssi_set = true;
8776 if (request->relative_rssi_set &&
8777 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8778 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8780 rssi_adjust = nla_data(
8781 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8782 request->rssi_adjust.band = rssi_adjust->band;
8783 request->rssi_adjust.delta = rssi_adjust->delta;
8784 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8790 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8794 request->scan_start = jiffies;
8800 return ERR_PTR(err);
8803 static int nl80211_start_sched_scan(struct sk_buff *skb,
8804 struct genl_info *info)
8806 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8807 struct net_device *dev = info->user_ptr[1];
8808 struct wireless_dev *wdev = dev->ieee80211_ptr;
8809 struct cfg80211_sched_scan_request *sched_scan_req;
8813 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8816 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8817 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8821 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8823 rdev->wiphy.max_match_sets);
8825 err = PTR_ERR_OR_ZERO(sched_scan_req);
8829 /* leave request id zero for legacy request
8830 * or if driver does not support multi-scheduled scan
8832 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
8833 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8835 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
8839 sched_scan_req->dev = dev;
8840 sched_scan_req->wiphy = &rdev->wiphy;
8842 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8843 sched_scan_req->owner_nlportid = info->snd_portid;
8845 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
8847 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
8851 kfree(sched_scan_req);
8856 static int nl80211_stop_sched_scan(struct sk_buff *skb,
8857 struct genl_info *info)
8859 struct cfg80211_sched_scan_request *req;
8860 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8863 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
8866 if (info->attrs[NL80211_ATTR_COOKIE]) {
8867 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8868 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8871 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8872 struct cfg80211_sched_scan_request,
8874 if (!req || req->reqid ||
8875 (req->owner_nlportid &&
8876 req->owner_nlportid != info->snd_portid))
8879 return cfg80211_stop_sched_scan_req(rdev, req, false);
8882 static int nl80211_start_radar_detection(struct sk_buff *skb,
8883 struct genl_info *info)
8885 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8886 struct net_device *dev = info->user_ptr[1];
8887 struct wireless_dev *wdev = dev->ieee80211_ptr;
8888 struct wiphy *wiphy = wdev->wiphy;
8889 struct cfg80211_chan_def chandef;
8890 enum nl80211_dfs_regions dfs_region;
8891 unsigned int cac_time_ms;
8894 dfs_region = reg_get_dfs_region(wiphy);
8895 if (dfs_region == NL80211_DFS_UNSET)
8898 err = nl80211_parse_chandef(rdev, info, &chandef);
8902 if (netif_carrier_ok(dev))
8905 if (wdev->cac_started)
8908 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8915 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
8918 /* CAC start is offloaded to HW and can't be started manually */
8919 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8922 if (!rdev->ops->start_radar_detection)
8925 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8926 if (WARN_ON(!cac_time_ms))
8927 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8929 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
8931 wdev->chandef = chandef;
8932 wdev->cac_started = true;
8933 wdev->cac_start_time = jiffies;
8934 wdev->cac_time_ms = cac_time_ms;
8939 static int nl80211_notify_radar_detection(struct sk_buff *skb,
8940 struct genl_info *info)
8942 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8943 struct net_device *dev = info->user_ptr[1];
8944 struct wireless_dev *wdev = dev->ieee80211_ptr;
8945 struct wiphy *wiphy = wdev->wiphy;
8946 struct cfg80211_chan_def chandef;
8947 enum nl80211_dfs_regions dfs_region;
8950 dfs_region = reg_get_dfs_region(wiphy);
8951 if (dfs_region == NL80211_DFS_UNSET) {
8952 GENL_SET_ERR_MSG(info,
8953 "DFS Region is not set. Unexpected Radar indication");
8957 err = nl80211_parse_chandef(rdev, info, &chandef);
8959 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8963 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8965 GENL_SET_ERR_MSG(info, "chandef is invalid");
8970 GENL_SET_ERR_MSG(info,
8971 "Unexpected Radar indication for chandef/iftype");
8975 /* Do not process this notification if radar is already detected
8976 * by kernel on this channel, and return success.
8978 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8981 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8983 cfg80211_sched_dfs_chan_update(rdev);
8985 rdev->radar_chandef = chandef;
8987 /* Propagate this notification to other radios as well */
8988 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8993 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8995 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8996 struct net_device *dev = info->user_ptr[1];
8997 struct wireless_dev *wdev = dev->ieee80211_ptr;
8998 struct cfg80211_csa_settings params;
8999 /* csa_attrs is defined static to avoid waste of stack size - this
9000 * function is called under RTNL lock, so this should not be a problem.
9002 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
9004 bool need_new_beacon = false;
9005 bool need_handle_dfs_flag = true;
9009 if (!rdev->ops->channel_switch ||
9010 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9013 switch (dev->ieee80211_ptr->iftype) {
9014 case NL80211_IFTYPE_AP:
9015 case NL80211_IFTYPE_P2P_GO:
9016 need_new_beacon = true;
9017 /* For all modes except AP the handle_dfs flag needs to be
9018 * supplied to tell the kernel that userspace will handle radar
9019 * events when they happen. Otherwise a switch to a channel
9020 * requiring DFS will be rejected.
9022 need_handle_dfs_flag = false;
9024 /* useless if AP is not running */
9025 if (!wdev->beacon_interval)
9028 case NL80211_IFTYPE_ADHOC:
9029 if (!wdev->ssid_len)
9032 case NL80211_IFTYPE_MESH_POINT:
9033 if (!wdev->mesh_id_len)
9040 memset(¶ms, 0, sizeof(params));
9041 params.beacon_csa.ftm_responder = -1;
9043 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9044 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
9047 /* only important for AP, IBSS and mesh create IEs internally */
9048 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
9051 /* Even though the attribute is u32, the specification says
9052 * u8, so let's make sure we don't overflow.
9054 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
9058 params.count = cs_count;
9060 if (!need_new_beacon)
9063 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
9067 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
9068 info->attrs[NL80211_ATTR_CSA_IES],
9069 nl80211_policy, info->extack);
9073 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
9077 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON])
9080 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9081 if (!len || (len % sizeof(u16)))
9084 params.n_counter_offsets_beacon = len / sizeof(u16);
9085 if (rdev->wiphy.max_num_csa_counters &&
9086 (params.n_counter_offsets_beacon >
9087 rdev->wiphy.max_num_csa_counters))
9090 params.counter_offsets_beacon =
9091 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9093 /* sanity checks - counters should fit and be the same */
9094 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
9095 u16 offset = params.counter_offsets_beacon[i];
9097 if (offset >= params.beacon_csa.tail_len)
9100 if (params.beacon_csa.tail[offset] != params.count)
9104 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
9105 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9106 if (!len || (len % sizeof(u16)))
9109 params.n_counter_offsets_presp = len / sizeof(u16);
9110 if (rdev->wiphy.max_num_csa_counters &&
9111 (params.n_counter_offsets_presp >
9112 rdev->wiphy.max_num_csa_counters))
9115 params.counter_offsets_presp =
9116 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9118 /* sanity checks - counters should fit and be the same */
9119 for (i = 0; i < params.n_counter_offsets_presp; i++) {
9120 u16 offset = params.counter_offsets_presp[i];
9122 if (offset >= params.beacon_csa.probe_resp_len)
9125 if (params.beacon_csa.probe_resp[offset] !=
9132 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
9136 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
9140 err = cfg80211_chandef_dfs_required(wdev->wiphy,
9147 params.radar_required = true;
9148 if (need_handle_dfs_flag &&
9149 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
9154 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
9155 params.block_tx = true;
9158 err = rdev_channel_switch(rdev, dev, ¶ms);
9164 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
9166 struct cfg80211_registered_device *rdev,
9167 struct wireless_dev *wdev,
9168 struct cfg80211_internal_bss *intbss)
9170 struct cfg80211_bss *res = &intbss->pub;
9171 const struct cfg80211_bss_ies *ies;
9175 ASSERT_WDEV_LOCK(wdev);
9177 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
9178 NL80211_CMD_NEW_SCAN_RESULTS);
9182 genl_dump_check_consistent(cb, hdr);
9184 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
9185 goto nla_put_failure;
9187 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
9188 goto nla_put_failure;
9189 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
9191 goto nla_put_failure;
9193 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
9195 goto nla_put_failure;
9196 if ((!is_zero_ether_addr(res->bssid) &&
9197 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9198 goto nla_put_failure;
9201 /* indicate whether we have probe response data or not */
9202 if (rcu_access_pointer(res->proberesp_ies) &&
9203 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
9204 goto fail_unlock_rcu;
9206 /* this pointer prefers to be pointed to probe response data
9207 * but is always valid
9209 ies = rcu_dereference(res->ies);
9211 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
9213 goto fail_unlock_rcu;
9214 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
9215 ies->len, ies->data))
9216 goto fail_unlock_rcu;
9219 /* and this pointer is always (unless driver didn't know) beacon data */
9220 ies = rcu_dereference(res->beacon_ies);
9221 if (ies && ies->from_beacon) {
9222 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
9224 goto fail_unlock_rcu;
9225 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
9226 ies->len, ies->data))
9227 goto fail_unlock_rcu;
9231 if (res->beacon_interval &&
9232 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
9233 goto nla_put_failure;
9234 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
9235 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
9236 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
9237 res->channel->freq_offset) ||
9238 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9239 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
9240 jiffies_to_msecs(jiffies - intbss->ts)))
9241 goto nla_put_failure;
9243 if (intbss->parent_tsf &&
9244 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
9245 intbss->parent_tsf, NL80211_BSS_PAD) ||
9246 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
9247 intbss->parent_bssid)))
9248 goto nla_put_failure;
9250 if (intbss->ts_boottime &&
9251 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
9252 intbss->ts_boottime, NL80211_BSS_PAD))
9253 goto nla_put_failure;
9255 if (!nl80211_put_signal(msg, intbss->pub.chains,
9256 intbss->pub.chain_signal,
9257 NL80211_BSS_CHAIN_SIGNAL))
9258 goto nla_put_failure;
9260 switch (rdev->wiphy.signal_type) {
9261 case CFG80211_SIGNAL_TYPE_MBM:
9262 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
9263 goto nla_put_failure;
9265 case CFG80211_SIGNAL_TYPE_UNSPEC:
9266 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
9267 goto nla_put_failure;
9273 switch (wdev->iftype) {
9274 case NL80211_IFTYPE_P2P_CLIENT:
9275 case NL80211_IFTYPE_STATION:
9276 if (intbss == wdev->current_bss &&
9277 nla_put_u32(msg, NL80211_BSS_STATUS,
9278 NL80211_BSS_STATUS_ASSOCIATED))
9279 goto nla_put_failure;
9281 case NL80211_IFTYPE_ADHOC:
9282 if (intbss == wdev->current_bss &&
9283 nla_put_u32(msg, NL80211_BSS_STATUS,
9284 NL80211_BSS_STATUS_IBSS_JOINED))
9285 goto nla_put_failure;
9291 nla_nest_end(msg, bss);
9293 genlmsg_end(msg, hdr);
9299 genlmsg_cancel(msg, hdr);
9303 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
9305 struct cfg80211_registered_device *rdev;
9306 struct cfg80211_internal_bss *scan;
9307 struct wireless_dev *wdev;
9308 int start = cb->args[2], idx = 0;
9312 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
9319 spin_lock_bh(&rdev->bss_lock);
9322 * dump_scan will be called multiple times to break up the scan results
9323 * into multiple messages. It is unlikely that any more bss-es will be
9324 * expired after the first call, so only call only call this on the
9325 * first dump_scan invocation.
9328 cfg80211_bss_expire(rdev);
9330 cb->seq = rdev->bss_generation;
9332 list_for_each_entry(scan, &rdev->bss_list, list) {
9335 if (nl80211_send_bss(skb, cb,
9336 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9337 rdev, wdev, scan) < 0) {
9343 spin_unlock_bh(&rdev->bss_lock);
9352 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
9353 int flags, struct net_device *dev,
9354 bool allow_radio_stats,
9355 struct survey_info *survey)
9358 struct nlattr *infoattr;
9360 /* skip radio stats if userspace didn't request them */
9361 if (!survey->channel && !allow_radio_stats)
9364 hdr = nl80211hdr_put(msg, portid, seq, flags,
9365 NL80211_CMD_NEW_SURVEY_RESULTS);
9369 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9370 goto nla_put_failure;
9372 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
9374 goto nla_put_failure;
9376 if (survey->channel &&
9377 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9378 survey->channel->center_freq))
9379 goto nla_put_failure;
9381 if (survey->channel && survey->channel->freq_offset &&
9382 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
9383 survey->channel->freq_offset))
9384 goto nla_put_failure;
9386 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
9387 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
9388 goto nla_put_failure;
9389 if ((survey->filled & SURVEY_INFO_IN_USE) &&
9390 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
9391 goto nla_put_failure;
9392 if ((survey->filled & SURVEY_INFO_TIME) &&
9393 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
9394 survey->time, NL80211_SURVEY_INFO_PAD))
9395 goto nla_put_failure;
9396 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
9397 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
9398 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9399 goto nla_put_failure;
9400 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
9401 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
9402 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9403 goto nla_put_failure;
9404 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
9405 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
9406 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9407 goto nla_put_failure;
9408 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
9409 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
9410 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9411 goto nla_put_failure;
9412 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
9413 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
9414 survey->time_scan, NL80211_SURVEY_INFO_PAD))
9415 goto nla_put_failure;
9416 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
9417 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
9418 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
9419 goto nla_put_failure;
9421 nla_nest_end(msg, infoattr);
9423 genlmsg_end(msg, hdr);
9427 genlmsg_cancel(msg, hdr);
9431 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
9433 struct nlattr **attrbuf;
9434 struct survey_info survey;
9435 struct cfg80211_registered_device *rdev;
9436 struct wireless_dev *wdev;
9437 int survey_idx = cb->args[2];
9441 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
9446 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
9450 /* prepare_wdev_dump parsed the attributes */
9451 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
9453 if (!wdev->netdev) {
9458 if (!rdev->ops->dump_survey) {
9464 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
9470 /* don't send disabled channels, but do send non-channel data */
9471 if (survey.channel &&
9472 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
9477 if (nl80211_send_survey(skb,
9478 NETLINK_CB(cb->skb).portid,
9479 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9480 wdev->netdev, radio_stats, &survey) < 0)
9486 cb->args[2] = survey_idx;
9494 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
9496 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
9497 NL80211_WPA_VERSION_2 |
9498 NL80211_WPA_VERSION_3));
9501 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
9503 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9504 struct net_device *dev = info->user_ptr[1];
9505 struct ieee80211_channel *chan;
9506 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
9507 int err, ssid_len, ie_len = 0, auth_data_len = 0;
9508 enum nl80211_auth_type auth_type;
9509 struct key_parse key;
9510 bool local_state_change;
9513 if (!info->attrs[NL80211_ATTR_MAC])
9516 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
9519 if (!info->attrs[NL80211_ATTR_SSID])
9522 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9525 err = nl80211_parse_key(info, &key);
9530 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
9532 if (!key.p.key || !key.p.key_len)
9534 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
9535 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
9536 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
9537 key.p.key_len != WLAN_KEY_LEN_WEP104))
9550 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
9551 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
9560 if (!rdev->ops->auth)
9563 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9564 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9567 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9568 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9569 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9571 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9573 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
9577 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9578 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9580 if (info->attrs[NL80211_ATTR_IE]) {
9581 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9582 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9585 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9586 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
9589 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9590 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9591 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9592 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
9593 !info->attrs[NL80211_ATTR_AUTH_DATA])
9596 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
9597 if (auth_type != NL80211_AUTHTYPE_SAE &&
9598 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9599 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9600 auth_type != NL80211_AUTHTYPE_FILS_PK)
9602 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9603 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
9606 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9609 * Since we no longer track auth state, ignore
9610 * requests to only change local state.
9612 if (local_state_change)
9615 wdev_lock(dev->ieee80211_ptr);
9616 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9617 ssid, ssid_len, ie, ie_len,
9618 key.p.key, key.p.key_len, key.idx,
9619 auth_data, auth_data_len);
9620 wdev_unlock(dev->ieee80211_ptr);
9624 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9625 struct genl_info *info)
9627 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9628 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9632 if (!rdev->ops->tx_control_port ||
9633 !wiphy_ext_feature_isset(&rdev->wiphy,
9634 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9640 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9641 struct genl_info *info,
9642 struct cfg80211_crypto_settings *settings,
9645 memset(settings, 0, sizeof(*settings));
9647 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9649 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9652 proto = nla_get_u16(
9653 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9654 settings->control_port_ethertype = cpu_to_be16(proto);
9655 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9658 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9659 settings->control_port_no_encrypt = true;
9661 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9663 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9664 int r = validate_pae_over_nl80211(rdev, info);
9669 settings->control_port_over_nl80211 = true;
9671 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
9672 settings->control_port_no_preauth = true;
9675 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9679 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9680 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9681 settings->n_ciphers_pairwise = len / sizeof(u32);
9683 if (len % sizeof(u32))
9686 if (settings->n_ciphers_pairwise > cipher_limit)
9689 memcpy(settings->ciphers_pairwise, data, len);
9691 for (i = 0; i < settings->n_ciphers_pairwise; i++)
9692 if (!cfg80211_supported_cipher_suite(
9694 settings->ciphers_pairwise[i]))
9698 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9699 settings->cipher_group =
9700 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
9701 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9702 settings->cipher_group))
9706 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9707 settings->wpa_versions =
9708 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9709 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9713 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9717 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9718 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9719 settings->n_akm_suites = len / sizeof(u32);
9721 if (len % sizeof(u32))
9724 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9727 memcpy(settings->akm_suites, data, len);
9730 if (info->attrs[NL80211_ATTR_PMK]) {
9731 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9733 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9734 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
9735 !wiphy_ext_feature_isset(&rdev->wiphy,
9736 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
9738 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9741 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9742 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9743 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
9744 !wiphy_ext_feature_isset(&rdev->wiphy,
9745 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
9748 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9749 settings->sae_pwd_len =
9750 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9756 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9758 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9759 struct net_device *dev = info->user_ptr[1];
9760 struct ieee80211_channel *chan;
9761 struct cfg80211_assoc_request req = {};
9762 const u8 *bssid, *ssid;
9763 int err, ssid_len = 0;
9766 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9767 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9770 if (!info->attrs[NL80211_ATTR_MAC] ||
9771 !info->attrs[NL80211_ATTR_SSID] ||
9772 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
9775 if (!rdev->ops->assoc)
9778 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9779 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9782 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9784 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9785 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9787 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9788 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
9792 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9793 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9795 if (info->attrs[NL80211_ATTR_IE]) {
9796 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9797 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9800 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9801 enum nl80211_mfp mfp =
9802 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9803 if (mfp == NL80211_MFP_REQUIRED)
9805 else if (mfp != NL80211_MFP_NO)
9809 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9810 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9812 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9813 req.flags |= ASSOC_REQ_DISABLE_HT;
9815 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9816 memcpy(&req.ht_capa_mask,
9817 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9818 sizeof(req.ht_capa_mask));
9820 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9821 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9823 memcpy(&req.ht_capa,
9824 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9825 sizeof(req.ht_capa));
9828 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9829 req.flags |= ASSOC_REQ_DISABLE_VHT;
9831 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9832 memcpy(&req.vht_capa_mask,
9833 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9834 sizeof(req.vht_capa_mask));
9836 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9837 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9839 memcpy(&req.vht_capa,
9840 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9841 sizeof(req.vht_capa));
9844 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9845 if (!((rdev->wiphy.features &
9846 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9847 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9848 !wiphy_ext_feature_isset(&rdev->wiphy,
9849 NL80211_EXT_FEATURE_RRM))
9851 req.flags |= ASSOC_REQ_USE_RRM;
9854 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9855 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9856 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9857 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9860 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9863 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
9864 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
9866 memcpy(&req.s1g_capa_mask,
9867 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
9868 sizeof(req.s1g_capa_mask));
9871 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
9872 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
9874 memcpy(&req.s1g_capa,
9875 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
9876 sizeof(req.s1g_capa));
9879 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
9881 wdev_lock(dev->ieee80211_ptr);
9883 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9884 ssid, ssid_len, &req);
9886 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9887 dev->ieee80211_ptr->conn_owner_nlportid =
9889 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9893 wdev_unlock(dev->ieee80211_ptr);
9899 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9901 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9902 struct net_device *dev = info->user_ptr[1];
9903 const u8 *ie = NULL, *bssid;
9904 int ie_len = 0, err;
9906 bool local_state_change;
9908 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9909 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9912 if (!info->attrs[NL80211_ATTR_MAC])
9915 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9918 if (!rdev->ops->deauth)
9921 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9922 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9925 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9927 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9928 if (reason_code == 0) {
9929 /* Reason Code 0 is reserved */
9933 if (info->attrs[NL80211_ATTR_IE]) {
9934 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9935 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9938 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9940 wdev_lock(dev->ieee80211_ptr);
9941 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9942 local_state_change);
9943 wdev_unlock(dev->ieee80211_ptr);
9947 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9949 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9950 struct net_device *dev = info->user_ptr[1];
9951 const u8 *ie = NULL, *bssid;
9952 int ie_len = 0, err;
9954 bool local_state_change;
9956 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9957 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9960 if (!info->attrs[NL80211_ATTR_MAC])
9963 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9966 if (!rdev->ops->disassoc)
9969 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9970 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9973 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9975 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9976 if (reason_code == 0) {
9977 /* Reason Code 0 is reserved */
9981 if (info->attrs[NL80211_ATTR_IE]) {
9982 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9983 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9986 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9988 wdev_lock(dev->ieee80211_ptr);
9989 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9990 local_state_change);
9991 wdev_unlock(dev->ieee80211_ptr);
9996 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
9997 int mcast_rate[NUM_NL80211_BANDS],
10000 struct wiphy *wiphy = &rdev->wiphy;
10001 bool found = false;
10004 for (band = 0; band < NUM_NL80211_BANDS; band++) {
10005 struct ieee80211_supported_band *sband;
10007 sband = wiphy->bands[band];
10011 for (i = 0; i < sband->n_bitrates; i++) {
10012 if (sband->bitrates[i].bitrate == rateval) {
10013 mcast_rate[band] = i + 1;
10023 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
10025 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10026 struct net_device *dev = info->user_ptr[1];
10027 struct cfg80211_ibss_params ibss;
10028 struct wiphy *wiphy;
10029 struct cfg80211_cached_keys *connkeys = NULL;
10032 memset(&ibss, 0, sizeof(ibss));
10034 if (!info->attrs[NL80211_ATTR_SSID] ||
10035 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10038 ibss.beacon_interval = 100;
10040 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
10041 ibss.beacon_interval =
10042 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10044 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
10045 ibss.beacon_interval);
10049 if (!rdev->ops->join_ibss)
10050 return -EOPNOTSUPP;
10052 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10053 return -EOPNOTSUPP;
10055 wiphy = &rdev->wiphy;
10057 if (info->attrs[NL80211_ATTR_MAC]) {
10058 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10060 if (!is_valid_ether_addr(ibss.bssid))
10063 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10064 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10066 if (info->attrs[NL80211_ATTR_IE]) {
10067 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10068 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10071 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
10075 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
10076 NL80211_IFTYPE_ADHOC))
10079 switch (ibss.chandef.width) {
10080 case NL80211_CHAN_WIDTH_5:
10081 case NL80211_CHAN_WIDTH_10:
10082 case NL80211_CHAN_WIDTH_20_NOHT:
10084 case NL80211_CHAN_WIDTH_20:
10085 case NL80211_CHAN_WIDTH_40:
10086 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10089 case NL80211_CHAN_WIDTH_80:
10090 case NL80211_CHAN_WIDTH_80P80:
10091 case NL80211_CHAN_WIDTH_160:
10092 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10094 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10095 NL80211_EXT_FEATURE_VHT_IBSS))
10102 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
10103 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
10105 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10107 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10109 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10110 struct ieee80211_supported_band *sband =
10111 wiphy->bands[ibss.chandef.chan->band];
10113 err = ieee80211_get_ratemask(sband, rates, n_rates,
10114 &ibss.basic_rates);
10119 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10120 memcpy(&ibss.ht_capa_mask,
10121 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10122 sizeof(ibss.ht_capa_mask));
10124 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10125 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10127 memcpy(&ibss.ht_capa,
10128 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10129 sizeof(ibss.ht_capa));
10132 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10133 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
10134 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10137 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10138 bool no_ht = false;
10140 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
10141 if (IS_ERR(connkeys))
10142 return PTR_ERR(connkeys);
10144 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
10146 kfree_sensitive(connkeys);
10151 ibss.control_port =
10152 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
10154 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10155 int r = validate_pae_over_nl80211(rdev, info);
10158 kfree_sensitive(connkeys);
10162 ibss.control_port_over_nl80211 = true;
10165 ibss.userspace_handles_dfs =
10166 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10168 wdev_lock(dev->ieee80211_ptr);
10169 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
10171 kfree_sensitive(connkeys);
10172 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
10173 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10174 wdev_unlock(dev->ieee80211_ptr);
10179 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
10181 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10182 struct net_device *dev = info->user_ptr[1];
10184 if (!rdev->ops->leave_ibss)
10185 return -EOPNOTSUPP;
10187 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10188 return -EOPNOTSUPP;
10190 return cfg80211_leave_ibss(rdev, dev, false);
10193 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
10195 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10196 struct net_device *dev = info->user_ptr[1];
10197 int mcast_rate[NUM_NL80211_BANDS];
10201 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
10202 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
10203 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
10204 return -EOPNOTSUPP;
10206 if (!rdev->ops->set_mcast_rate)
10207 return -EOPNOTSUPP;
10209 memset(mcast_rate, 0, sizeof(mcast_rate));
10211 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
10214 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
10215 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
10218 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
10223 static struct sk_buff *
10224 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
10225 struct wireless_dev *wdev, int approxlen,
10226 u32 portid, u32 seq, enum nl80211_commands cmd,
10227 enum nl80211_attrs attr,
10228 const struct nl80211_vendor_cmd_info *info,
10231 struct sk_buff *skb;
10233 struct nlattr *data;
10235 skb = nlmsg_new(approxlen + 100, gfp);
10239 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
10245 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10246 goto nla_put_failure;
10249 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
10251 goto nla_put_failure;
10252 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
10254 goto nla_put_failure;
10258 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
10259 wdev_id(wdev), NL80211_ATTR_PAD))
10260 goto nla_put_failure;
10261 if (wdev->netdev &&
10262 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
10263 wdev->netdev->ifindex))
10264 goto nla_put_failure;
10267 data = nla_nest_start_noflag(skb, attr);
10269 goto nla_put_failure;
10271 ((void **)skb->cb)[0] = rdev;
10272 ((void **)skb->cb)[1] = hdr;
10273 ((void **)skb->cb)[2] = data;
10282 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
10283 struct wireless_dev *wdev,
10284 enum nl80211_commands cmd,
10285 enum nl80211_attrs attr,
10286 unsigned int portid,
10287 int vendor_event_idx,
10288 int approxlen, gfp_t gfp)
10290 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
10291 const struct nl80211_vendor_cmd_info *info;
10294 case NL80211_CMD_TESTMODE:
10295 if (WARN_ON(vendor_event_idx != -1))
10299 case NL80211_CMD_VENDOR:
10300 if (WARN_ON(vendor_event_idx < 0 ||
10301 vendor_event_idx >= wiphy->n_vendor_events))
10303 info = &wiphy->vendor_events[vendor_event_idx];
10310 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
10311 cmd, attr, info, gfp);
10313 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
10315 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
10317 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
10318 void *hdr = ((void **)skb->cb)[1];
10319 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
10320 struct nlattr *data = ((void **)skb->cb)[2];
10321 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
10323 /* clear CB data for netlink core to own from now on */
10324 memset(skb->cb, 0, sizeof(skb->cb));
10326 nla_nest_end(skb, data);
10327 genlmsg_end(skb, hdr);
10329 if (nlhdr->nlmsg_pid) {
10330 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
10333 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
10334 mcgrp = NL80211_MCGRP_VENDOR;
10336 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
10337 skb, 0, mcgrp, gfp);
10340 EXPORT_SYMBOL(__cfg80211_send_event_skb);
10342 #ifdef CONFIG_NL80211_TESTMODE
10343 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
10345 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10346 struct wireless_dev *wdev =
10347 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
10350 if (!rdev->ops->testmode_cmd)
10351 return -EOPNOTSUPP;
10353 if (IS_ERR(wdev)) {
10354 err = PTR_ERR(wdev);
10355 if (err != -EINVAL)
10358 } else if (wdev->wiphy != &rdev->wiphy) {
10362 if (!info->attrs[NL80211_ATTR_TESTDATA])
10365 rdev->cur_cmd_info = info;
10366 err = rdev_testmode_cmd(rdev, wdev,
10367 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
10368 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
10369 rdev->cur_cmd_info = NULL;
10374 static int nl80211_testmode_dump(struct sk_buff *skb,
10375 struct netlink_callback *cb)
10377 struct cfg80211_registered_device *rdev;
10378 struct nlattr **attrbuf = NULL;
10388 * 0 is a valid index, but not valid for args[0],
10389 * so we need to offset by 1.
10391 phy_idx = cb->args[0] - 1;
10393 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
10399 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
10406 err = nlmsg_parse_deprecated(cb->nlh,
10407 GENL_HDRLEN + nl80211_fam.hdrsize,
10408 attrbuf, nl80211_fam.maxattr,
10409 nl80211_policy, NULL);
10413 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
10414 if (IS_ERR(rdev)) {
10415 err = PTR_ERR(rdev);
10418 phy_idx = rdev->wiphy_idx;
10420 if (attrbuf[NL80211_ATTR_TESTDATA])
10421 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
10425 data = nla_data((void *)cb->args[1]);
10426 data_len = nla_len((void *)cb->args[1]);
10429 if (!rdev->ops->testmode_dump) {
10435 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
10436 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10437 NL80211_CMD_TESTMODE);
10438 struct nlattr *tmdata;
10443 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
10444 genlmsg_cancel(skb, hdr);
10448 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
10450 genlmsg_cancel(skb, hdr);
10453 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
10454 nla_nest_end(skb, tmdata);
10456 if (err == -ENOBUFS || err == -ENOENT) {
10457 genlmsg_cancel(skb, hdr);
10460 genlmsg_cancel(skb, hdr);
10464 genlmsg_end(skb, hdr);
10469 cb->args[0] = phy_idx + 1;
10477 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
10479 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10480 struct net_device *dev = info->user_ptr[1];
10481 struct cfg80211_connect_params connect;
10482 struct wiphy *wiphy;
10483 struct cfg80211_cached_keys *connkeys = NULL;
10487 memset(&connect, 0, sizeof(connect));
10489 if (!info->attrs[NL80211_ATTR_SSID] ||
10490 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10493 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10494 connect.auth_type =
10495 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10496 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
10497 NL80211_CMD_CONNECT))
10500 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
10502 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
10504 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
10505 !wiphy_ext_feature_isset(&rdev->wiphy,
10506 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
10508 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
10510 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
10511 NL80211_MAX_NR_CIPHER_SUITES);
10515 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10516 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10517 return -EOPNOTSUPP;
10519 wiphy = &rdev->wiphy;
10521 connect.bg_scan_period = -1;
10522 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
10523 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
10524 connect.bg_scan_period =
10525 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
10528 if (info->attrs[NL80211_ATTR_MAC])
10529 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10530 else if (info->attrs[NL80211_ATTR_MAC_HINT])
10531 connect.bssid_hint =
10532 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
10533 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10534 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10536 if (info->attrs[NL80211_ATTR_IE]) {
10537 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10538 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10541 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10542 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10543 if (connect.mfp == NL80211_MFP_OPTIONAL &&
10544 !wiphy_ext_feature_isset(&rdev->wiphy,
10545 NL80211_EXT_FEATURE_MFP_OPTIONAL))
10546 return -EOPNOTSUPP;
10548 connect.mfp = NL80211_MFP_NO;
10551 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10552 connect.prev_bssid =
10553 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10555 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
10556 freq = MHZ_TO_KHZ(nla_get_u32(
10557 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10558 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10560 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10563 connect.channel = nl80211_get_valid_chan(wiphy, freq);
10564 if (!connect.channel)
10566 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
10567 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
10568 freq = MHZ_TO_KHZ(freq);
10569 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
10570 if (!connect.channel_hint)
10574 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
10575 connect.edmg.channels =
10576 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
10578 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
10579 connect.edmg.bw_config =
10580 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
10583 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10584 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
10585 if (IS_ERR(connkeys))
10586 return PTR_ERR(connkeys);
10589 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10590 connect.flags |= ASSOC_REQ_DISABLE_HT;
10592 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10593 memcpy(&connect.ht_capa_mask,
10594 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10595 sizeof(connect.ht_capa_mask));
10597 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10598 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
10599 kfree_sensitive(connkeys);
10602 memcpy(&connect.ht_capa,
10603 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10604 sizeof(connect.ht_capa));
10607 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10608 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10610 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10611 memcpy(&connect.vht_capa_mask,
10612 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10613 sizeof(connect.vht_capa_mask));
10615 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10616 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
10617 kfree_sensitive(connkeys);
10620 memcpy(&connect.vht_capa,
10621 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10622 sizeof(connect.vht_capa));
10625 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10626 if (!((rdev->wiphy.features &
10627 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10628 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10629 !wiphy_ext_feature_isset(&rdev->wiphy,
10630 NL80211_EXT_FEATURE_RRM)) {
10631 kfree_sensitive(connkeys);
10634 connect.flags |= ASSOC_REQ_USE_RRM;
10637 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
10638 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
10639 kfree_sensitive(connkeys);
10640 return -EOPNOTSUPP;
10643 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10644 /* bss selection makes no sense if bssid is set */
10645 if (connect.bssid) {
10646 kfree_sensitive(connkeys);
10650 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10651 wiphy, &connect.bss_select);
10653 kfree_sensitive(connkeys);
10658 if (wiphy_ext_feature_isset(&rdev->wiphy,
10659 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10660 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10661 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10662 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10663 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10664 connect.fils_erp_username =
10665 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10666 connect.fils_erp_username_len =
10667 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10668 connect.fils_erp_realm =
10669 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10670 connect.fils_erp_realm_len =
10671 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10672 connect.fils_erp_next_seq_num =
10674 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10675 connect.fils_erp_rrk =
10676 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10677 connect.fils_erp_rrk_len =
10678 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10679 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10680 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10681 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10682 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10683 kfree_sensitive(connkeys);
10687 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10688 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10689 kfree_sensitive(connkeys);
10690 GENL_SET_ERR_MSG(info,
10691 "external auth requires connection ownership");
10694 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10697 wdev_lock(dev->ieee80211_ptr);
10699 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10700 connect.prev_bssid);
10702 kfree_sensitive(connkeys);
10704 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10705 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10707 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10708 connect.bssid, ETH_ALEN);
10710 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
10713 wdev_unlock(dev->ieee80211_ptr);
10718 static int nl80211_update_connect_params(struct sk_buff *skb,
10719 struct genl_info *info)
10721 struct cfg80211_connect_params connect = {};
10722 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10723 struct net_device *dev = info->user_ptr[1];
10724 struct wireless_dev *wdev = dev->ieee80211_ptr;
10725 bool fils_sk_offload;
10730 if (!rdev->ops->update_connect_params)
10731 return -EOPNOTSUPP;
10733 if (info->attrs[NL80211_ATTR_IE]) {
10734 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10735 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10736 changed |= UPDATE_ASSOC_IES;
10739 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10740 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10743 * when driver supports fils-sk offload all attributes must be
10744 * provided. So the else covers "fils-sk-not-all" and
10745 * "no-fils-sk-any".
10747 if (fils_sk_offload &&
10748 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10749 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10750 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10751 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10752 connect.fils_erp_username =
10753 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10754 connect.fils_erp_username_len =
10755 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10756 connect.fils_erp_realm =
10757 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10758 connect.fils_erp_realm_len =
10759 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10760 connect.fils_erp_next_seq_num =
10762 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10763 connect.fils_erp_rrk =
10764 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10765 connect.fils_erp_rrk_len =
10766 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10767 changed |= UPDATE_FILS_ERP_INFO;
10768 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10769 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10770 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10771 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10775 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10776 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10777 if (!nl80211_valid_auth_type(rdev, auth_type,
10778 NL80211_CMD_CONNECT))
10781 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
10782 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
10785 connect.auth_type = auth_type;
10786 changed |= UPDATE_AUTH_TYPE;
10789 wdev_lock(dev->ieee80211_ptr);
10790 if (!wdev->current_bss)
10793 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
10794 wdev_unlock(dev->ieee80211_ptr);
10799 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
10801 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10802 struct net_device *dev = info->user_ptr[1];
10806 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10807 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10810 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10811 reason = WLAN_REASON_DEAUTH_LEAVING;
10813 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10818 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10819 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10820 return -EOPNOTSUPP;
10822 wdev_lock(dev->ieee80211_ptr);
10823 ret = cfg80211_disconnect(rdev, dev, reason, true);
10824 wdev_unlock(dev->ieee80211_ptr);
10828 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
10830 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10834 if (info->attrs[NL80211_ATTR_PID]) {
10835 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
10837 net = get_net_ns_by_pid(pid);
10838 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
10839 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
10841 net = get_net_ns_by_fd(fd);
10847 return PTR_ERR(net);
10851 /* check if anything to do */
10852 if (!net_eq(wiphy_net(&rdev->wiphy), net))
10853 err = cfg80211_switch_netns(rdev, net);
10859 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10861 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10862 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10863 struct cfg80211_pmksa *pmksa) = NULL;
10864 struct net_device *dev = info->user_ptr[1];
10865 struct cfg80211_pmksa pmksa;
10867 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10869 if (!info->attrs[NL80211_ATTR_PMKID])
10872 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
10874 if (info->attrs[NL80211_ATTR_MAC]) {
10875 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10876 } else if (info->attrs[NL80211_ATTR_SSID] &&
10877 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10878 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10879 info->attrs[NL80211_ATTR_PMK])) {
10880 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10881 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10883 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10887 if (info->attrs[NL80211_ATTR_PMK]) {
10888 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10889 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10892 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
10893 pmksa.pmk_lifetime =
10894 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
10896 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
10897 pmksa.pmk_reauth_threshold =
10899 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
10901 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10902 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10903 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10904 wiphy_ext_feature_isset(&rdev->wiphy,
10905 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
10906 return -EOPNOTSUPP;
10908 switch (info->genlhdr->cmd) {
10909 case NL80211_CMD_SET_PMKSA:
10910 rdev_ops = rdev->ops->set_pmksa;
10912 case NL80211_CMD_DEL_PMKSA:
10913 rdev_ops = rdev->ops->del_pmksa;
10921 return -EOPNOTSUPP;
10923 return rdev_ops(&rdev->wiphy, dev, &pmksa);
10926 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10928 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10929 struct net_device *dev = info->user_ptr[1];
10931 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10932 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10933 return -EOPNOTSUPP;
10935 if (!rdev->ops->flush_pmksa)
10936 return -EOPNOTSUPP;
10938 return rdev_flush_pmksa(rdev, dev);
10941 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10943 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10944 struct net_device *dev = info->user_ptr[1];
10945 u8 action_code, dialog_token;
10946 u32 peer_capability = 0;
10951 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10952 !rdev->ops->tdls_mgmt)
10953 return -EOPNOTSUPP;
10955 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10956 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10957 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10958 !info->attrs[NL80211_ATTR_IE] ||
10959 !info->attrs[NL80211_ATTR_MAC])
10962 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10963 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10964 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10965 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
10966 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
10967 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10969 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
10971 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
10972 dialog_token, status_code, peer_capability,
10974 nla_data(info->attrs[NL80211_ATTR_IE]),
10975 nla_len(info->attrs[NL80211_ATTR_IE]));
10978 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10980 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10981 struct net_device *dev = info->user_ptr[1];
10982 enum nl80211_tdls_operation operation;
10985 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10986 !rdev->ops->tdls_oper)
10987 return -EOPNOTSUPP;
10989 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10990 !info->attrs[NL80211_ATTR_MAC])
10993 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10994 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10996 return rdev_tdls_oper(rdev, dev, peer, operation);
10999 static int nl80211_remain_on_channel(struct sk_buff *skb,
11000 struct genl_info *info)
11002 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11003 struct wireless_dev *wdev = info->user_ptr[1];
11004 struct cfg80211_chan_def chandef;
11005 const struct cfg80211_chan_def *compat_chandef;
11006 struct sk_buff *msg;
11012 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11013 !info->attrs[NL80211_ATTR_DURATION])
11016 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11018 if (!rdev->ops->remain_on_channel ||
11019 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
11020 return -EOPNOTSUPP;
11023 * We should be on that channel for at least a minimum amount of
11024 * time (10ms) but no longer than the driver supports.
11026 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11027 duration > rdev->wiphy.max_remain_on_channel_duration)
11030 err = nl80211_parse_chandef(rdev, info, &chandef);
11035 if (!cfg80211_off_channel_oper_allowed(wdev) &&
11036 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
11037 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
11039 if (compat_chandef != &chandef) {
11046 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11050 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11051 NL80211_CMD_REMAIN_ON_CHANNEL);
11057 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
11058 duration, &cookie);
11063 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11065 goto nla_put_failure;
11067 genlmsg_end(msg, hdr);
11069 return genlmsg_reply(msg, info);
11078 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
11079 struct genl_info *info)
11081 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11082 struct wireless_dev *wdev = info->user_ptr[1];
11085 if (!info->attrs[NL80211_ATTR_COOKIE])
11088 if (!rdev->ops->cancel_remain_on_channel)
11089 return -EOPNOTSUPP;
11091 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11093 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
11096 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
11097 struct genl_info *info)
11099 struct cfg80211_bitrate_mask mask;
11100 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11101 struct net_device *dev = info->user_ptr[1];
11102 struct wireless_dev *wdev = dev->ieee80211_ptr;
11105 if (!rdev->ops->set_bitrate_mask)
11106 return -EOPNOTSUPP;
11109 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11110 NL80211_ATTR_TX_RATES, &mask,
11115 err = rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
11121 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
11123 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11124 struct wireless_dev *wdev = info->user_ptr[1];
11125 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
11127 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
11130 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
11131 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
11133 switch (wdev->iftype) {
11134 case NL80211_IFTYPE_STATION:
11135 case NL80211_IFTYPE_ADHOC:
11136 case NL80211_IFTYPE_P2P_CLIENT:
11137 case NL80211_IFTYPE_AP:
11138 case NL80211_IFTYPE_AP_VLAN:
11139 case NL80211_IFTYPE_MESH_POINT:
11140 case NL80211_IFTYPE_P2P_GO:
11141 case NL80211_IFTYPE_P2P_DEVICE:
11143 case NL80211_IFTYPE_NAN:
11145 return -EOPNOTSUPP;
11148 /* not much point in registering if we can't reply */
11149 if (!rdev->ops->mgmt_tx)
11150 return -EOPNOTSUPP;
11152 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
11153 !wiphy_ext_feature_isset(&rdev->wiphy,
11154 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
11155 GENL_SET_ERR_MSG(info,
11156 "multicast RX registrations are not supported");
11157 return -EOPNOTSUPP;
11160 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
11161 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11162 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11163 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
11167 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
11169 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11170 struct wireless_dev *wdev = info->user_ptr[1];
11171 struct cfg80211_chan_def chandef;
11175 struct sk_buff *msg = NULL;
11176 struct cfg80211_mgmt_tx_params params = {
11177 .dont_wait_for_ack =
11178 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
11181 if (!info->attrs[NL80211_ATTR_FRAME])
11184 if (!rdev->ops->mgmt_tx)
11185 return -EOPNOTSUPP;
11187 switch (wdev->iftype) {
11188 case NL80211_IFTYPE_P2P_DEVICE:
11189 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
11191 case NL80211_IFTYPE_STATION:
11192 case NL80211_IFTYPE_ADHOC:
11193 case NL80211_IFTYPE_P2P_CLIENT:
11194 case NL80211_IFTYPE_AP:
11195 case NL80211_IFTYPE_AP_VLAN:
11196 case NL80211_IFTYPE_MESH_POINT:
11197 case NL80211_IFTYPE_P2P_GO:
11199 case NL80211_IFTYPE_NAN:
11201 return -EOPNOTSUPP;
11204 if (info->attrs[NL80211_ATTR_DURATION]) {
11205 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11207 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11210 * We should wait on the channel for at least a minimum amount
11211 * of time (10ms) but no longer than the driver supports.
11213 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11214 params.wait > rdev->wiphy.max_remain_on_channel_duration)
11218 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
11220 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11223 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
11225 /* get the channel if any has been specified, otherwise pass NULL to
11226 * the driver. The latter will use the current one
11228 chandef.chan = NULL;
11229 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11230 err = nl80211_parse_chandef(rdev, info, &chandef);
11235 if (!chandef.chan && params.offchan)
11239 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
11245 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
11246 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
11248 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
11249 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11252 if (len % sizeof(u16))
11255 params.n_csa_offsets = len / sizeof(u16);
11256 params.csa_offsets =
11257 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11259 /* check that all the offsets fit the frame */
11260 for (i = 0; i < params.n_csa_offsets; i++) {
11261 if (params.csa_offsets[i] >= params.len)
11266 if (!params.dont_wait_for_ack) {
11267 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11271 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11272 NL80211_CMD_FRAME);
11279 params.chan = chandef.chan;
11280 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
11285 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11287 goto nla_put_failure;
11289 genlmsg_end(msg, hdr);
11290 return genlmsg_reply(msg, info);
11302 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
11304 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11305 struct wireless_dev *wdev = info->user_ptr[1];
11308 if (!info->attrs[NL80211_ATTR_COOKIE])
11311 if (!rdev->ops->mgmt_tx_cancel_wait)
11312 return -EOPNOTSUPP;
11314 switch (wdev->iftype) {
11315 case NL80211_IFTYPE_STATION:
11316 case NL80211_IFTYPE_ADHOC:
11317 case NL80211_IFTYPE_P2P_CLIENT:
11318 case NL80211_IFTYPE_AP:
11319 case NL80211_IFTYPE_AP_VLAN:
11320 case NL80211_IFTYPE_P2P_GO:
11321 case NL80211_IFTYPE_P2P_DEVICE:
11323 case NL80211_IFTYPE_NAN:
11325 return -EOPNOTSUPP;
11328 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11330 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
11333 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
11335 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11336 struct wireless_dev *wdev;
11337 struct net_device *dev = info->user_ptr[1];
11342 if (!info->attrs[NL80211_ATTR_PS_STATE])
11345 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
11347 wdev = dev->ieee80211_ptr;
11349 if (!rdev->ops->set_power_mgmt)
11350 return -EOPNOTSUPP;
11352 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
11354 if (state == wdev->ps)
11357 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
11363 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
11365 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11366 enum nl80211_ps_state ps_state;
11367 struct wireless_dev *wdev;
11368 struct net_device *dev = info->user_ptr[1];
11369 struct sk_buff *msg;
11373 wdev = dev->ieee80211_ptr;
11375 if (!rdev->ops->set_power_mgmt)
11376 return -EOPNOTSUPP;
11378 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11382 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11383 NL80211_CMD_GET_POWER_SAVE);
11390 ps_state = NL80211_PS_ENABLED;
11392 ps_state = NL80211_PS_DISABLED;
11394 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
11395 goto nla_put_failure;
11397 genlmsg_end(msg, hdr);
11398 return genlmsg_reply(msg, info);
11407 static const struct nla_policy
11408 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
11409 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
11410 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
11411 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
11412 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
11413 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
11414 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
11415 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
11418 static int nl80211_set_cqm_txe(struct genl_info *info,
11419 u32 rate, u32 pkts, u32 intvl)
11421 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11422 struct net_device *dev = info->user_ptr[1];
11423 struct wireless_dev *wdev = dev->ieee80211_ptr;
11425 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
11428 if (!rdev->ops->set_cqm_txe_config)
11429 return -EOPNOTSUPP;
11431 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11432 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11433 return -EOPNOTSUPP;
11435 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
11438 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
11439 struct net_device *dev)
11441 struct wireless_dev *wdev = dev->ieee80211_ptr;
11442 s32 last, low, high;
11444 int i, n, low_index;
11447 /* RSSI reporting disabled? */
11448 if (!wdev->cqm_config)
11449 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
11452 * Obtain current RSSI value if possible, if not and no RSSI threshold
11453 * event has been received yet, we should receive an event after a
11454 * connection is established and enough beacons received to calculate
11457 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
11458 rdev->ops->get_station) {
11459 struct station_info sinfo = {};
11462 mac_addr = wdev->current_bss->pub.bssid;
11464 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
11468 cfg80211_sinfo_release_content(&sinfo);
11469 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
11470 wdev->cqm_config->last_rssi_event_value =
11471 (s8) sinfo.rx_beacon_signal_avg;
11474 last = wdev->cqm_config->last_rssi_event_value;
11475 hyst = wdev->cqm_config->rssi_hyst;
11476 n = wdev->cqm_config->n_rssi_thresholds;
11478 for (i = 0; i < n; i++) {
11479 i = array_index_nospec(i, n);
11480 if (last < wdev->cqm_config->rssi_thresholds[i])
11485 if (low_index >= 0) {
11486 low_index = array_index_nospec(low_index, n);
11487 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
11492 i = array_index_nospec(i, n);
11493 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
11498 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
11501 static int nl80211_set_cqm_rssi(struct genl_info *info,
11502 const s32 *thresholds, int n_thresholds,
11505 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11506 struct net_device *dev = info->user_ptr[1];
11507 struct wireless_dev *wdev = dev->ieee80211_ptr;
11509 s32 prev = S32_MIN;
11511 /* Check all values negative and sorted */
11512 for (i = 0; i < n_thresholds; i++) {
11513 if (thresholds[i] > 0 || thresholds[i] <= prev)
11516 prev = thresholds[i];
11519 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11520 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11521 return -EOPNOTSUPP;
11524 cfg80211_cqm_config_free(wdev);
11527 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
11528 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
11529 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
11531 return rdev_set_cqm_rssi_config(rdev, dev,
11532 thresholds[0], hysteresis);
11535 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11536 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
11537 return -EOPNOTSUPP;
11539 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
11543 if (n_thresholds) {
11544 struct cfg80211_cqm_config *cqm_config;
11546 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
11547 n_thresholds * sizeof(s32), GFP_KERNEL);
11553 cqm_config->rssi_hyst = hysteresis;
11554 cqm_config->n_rssi_thresholds = n_thresholds;
11555 memcpy(cqm_config->rssi_thresholds, thresholds,
11556 n_thresholds * sizeof(s32));
11558 wdev->cqm_config = cqm_config;
11561 err = cfg80211_cqm_rssi_update(rdev, dev);
11569 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
11571 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
11572 struct nlattr *cqm;
11575 cqm = info->attrs[NL80211_ATTR_CQM];
11579 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
11580 nl80211_attr_cqm_policy,
11585 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
11586 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
11587 const s32 *thresholds =
11588 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11589 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11590 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
11595 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
11599 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
11600 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
11601 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
11602 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
11603 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
11604 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
11606 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
11612 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
11614 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11615 struct net_device *dev = info->user_ptr[1];
11616 struct ocb_setup setup = {};
11619 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11623 return cfg80211_join_ocb(rdev, dev, &setup);
11626 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
11628 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11629 struct net_device *dev = info->user_ptr[1];
11631 return cfg80211_leave_ocb(rdev, dev);
11634 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11636 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11637 struct net_device *dev = info->user_ptr[1];
11638 struct mesh_config cfg;
11639 struct mesh_setup setup;
11642 /* start with default */
11643 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
11644 memcpy(&setup, &default_mesh_setup, sizeof(setup));
11646 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
11647 /* and parse parameters if given */
11648 err = nl80211_parse_mesh_config(info, &cfg, NULL);
11653 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11654 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11657 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11658 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11660 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11661 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11662 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11665 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11666 setup.beacon_interval =
11667 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11669 err = cfg80211_validate_beacon_int(rdev,
11670 NL80211_IFTYPE_MESH_POINT,
11671 setup.beacon_interval);
11676 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11677 setup.dtim_period =
11678 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11679 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11683 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11684 /* parse additional setup parameters if given */
11685 err = nl80211_parse_mesh_setup(info, &setup);
11690 if (setup.user_mpm)
11691 cfg.auto_open_plinks = false;
11693 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11694 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11698 /* __cfg80211_join_mesh() will sort it out */
11699 setup.chandef.chan = NULL;
11702 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11703 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11705 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11706 struct ieee80211_supported_band *sband;
11708 if (!setup.chandef.chan)
11711 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11713 err = ieee80211_get_ratemask(sband, rates, n_rates,
11714 &setup.basic_rates);
11719 if (info->attrs[NL80211_ATTR_TX_RATES]) {
11720 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11721 NL80211_ATTR_TX_RATES,
11722 &setup.beacon_rate,
11727 if (!setup.chandef.chan)
11730 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11731 &setup.beacon_rate);
11736 setup.userspace_handles_dfs =
11737 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11739 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11740 int r = validate_pae_over_nl80211(rdev, info);
11745 setup.control_port_over_nl80211 = true;
11748 wdev_lock(dev->ieee80211_ptr);
11749 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11750 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11751 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11752 wdev_unlock(dev->ieee80211_ptr);
11757 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11759 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11760 struct net_device *dev = info->user_ptr[1];
11762 return cfg80211_leave_mesh(rdev, dev);
11766 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11767 struct cfg80211_registered_device *rdev)
11769 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
11770 struct nlattr *nl_pats, *nl_pat;
11773 if (!wowlan->n_patterns)
11776 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
11780 for (i = 0; i < wowlan->n_patterns; i++) {
11781 nl_pat = nla_nest_start_noflag(msg, i + 1);
11784 pat_len = wowlan->patterns[i].pattern_len;
11785 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
11786 wowlan->patterns[i].mask) ||
11787 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11788 wowlan->patterns[i].pattern) ||
11789 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11790 wowlan->patterns[i].pkt_offset))
11792 nla_nest_end(msg, nl_pat);
11794 nla_nest_end(msg, nl_pats);
11799 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
11800 struct cfg80211_wowlan_tcp *tcp)
11802 struct nlattr *nl_tcp;
11807 nl_tcp = nla_nest_start_noflag(msg,
11808 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
11812 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
11813 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
11814 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
11815 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
11816 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
11817 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
11818 tcp->payload_len, tcp->payload) ||
11819 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
11820 tcp->data_interval) ||
11821 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
11822 tcp->wake_len, tcp->wake_data) ||
11823 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
11824 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
11827 if (tcp->payload_seq.len &&
11828 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
11829 sizeof(tcp->payload_seq), &tcp->payload_seq))
11832 if (tcp->payload_tok.len &&
11833 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
11834 sizeof(tcp->payload_tok) + tcp->tokens_size,
11835 &tcp->payload_tok))
11838 nla_nest_end(msg, nl_tcp);
11843 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
11844 struct cfg80211_sched_scan_request *req)
11846 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
11852 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
11856 if (req->n_scan_plans == 1 &&
11857 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
11858 req->scan_plans[0].interval * 1000))
11861 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
11864 if (req->relative_rssi_set) {
11865 struct nl80211_bss_select_rssi_adjust rssi_adjust;
11867 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
11868 req->relative_rssi))
11871 rssi_adjust.band = req->rssi_adjust.band;
11872 rssi_adjust.delta = req->rssi_adjust.delta;
11873 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
11874 sizeof(rssi_adjust), &rssi_adjust))
11878 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
11882 for (i = 0; i < req->n_channels; i++) {
11883 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
11887 nla_nest_end(msg, freqs);
11889 if (req->n_match_sets) {
11890 matches = nla_nest_start_noflag(msg,
11891 NL80211_ATTR_SCHED_SCAN_MATCH);
11895 for (i = 0; i < req->n_match_sets; i++) {
11896 match = nla_nest_start_noflag(msg, i);
11900 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11901 req->match_sets[i].ssid.ssid_len,
11902 req->match_sets[i].ssid.ssid))
11904 nla_nest_end(msg, match);
11906 nla_nest_end(msg, matches);
11909 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
11913 for (i = 0; i < req->n_scan_plans; i++) {
11914 scan_plan = nla_nest_start_noflag(msg, i + 1);
11918 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
11919 req->scan_plans[i].interval) ||
11920 (req->scan_plans[i].iterations &&
11921 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11922 req->scan_plans[i].iterations)))
11924 nla_nest_end(msg, scan_plan);
11926 nla_nest_end(msg, scan_plans);
11928 nla_nest_end(msg, nd);
11933 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11935 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11936 struct sk_buff *msg;
11938 u32 size = NLMSG_DEFAULT_SIZE;
11940 if (!rdev->wiphy.wowlan)
11941 return -EOPNOTSUPP;
11943 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
11944 /* adjust size to have room for all the data */
11945 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11946 rdev->wiphy.wowlan_config->tcp->payload_len +
11947 rdev->wiphy.wowlan_config->tcp->wake_len +
11948 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
11951 msg = nlmsg_new(size, GFP_KERNEL);
11955 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11956 NL80211_CMD_GET_WOWLAN);
11958 goto nla_put_failure;
11960 if (rdev->wiphy.wowlan_config) {
11961 struct nlattr *nl_wowlan;
11963 nl_wowlan = nla_nest_start_noflag(msg,
11964 NL80211_ATTR_WOWLAN_TRIGGERS);
11966 goto nla_put_failure;
11968 if ((rdev->wiphy.wowlan_config->any &&
11969 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
11970 (rdev->wiphy.wowlan_config->disconnect &&
11971 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
11972 (rdev->wiphy.wowlan_config->magic_pkt &&
11973 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
11974 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
11975 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
11976 (rdev->wiphy.wowlan_config->eap_identity_req &&
11977 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
11978 (rdev->wiphy.wowlan_config->four_way_handshake &&
11979 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
11980 (rdev->wiphy.wowlan_config->rfkill_release &&
11981 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11982 goto nla_put_failure;
11984 if (nl80211_send_wowlan_patterns(msg, rdev))
11985 goto nla_put_failure;
11987 if (nl80211_send_wowlan_tcp(msg,
11988 rdev->wiphy.wowlan_config->tcp))
11989 goto nla_put_failure;
11991 if (nl80211_send_wowlan_nd(
11993 rdev->wiphy.wowlan_config->nd_config))
11994 goto nla_put_failure;
11996 nla_nest_end(msg, nl_wowlan);
11999 genlmsg_end(msg, hdr);
12000 return genlmsg_reply(msg, info);
12007 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
12008 struct nlattr *attr,
12009 struct cfg80211_wowlan *trig)
12011 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
12012 struct cfg80211_wowlan_tcp *cfg;
12013 struct nl80211_wowlan_tcp_data_token *tok = NULL;
12014 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
12016 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
12019 if (!rdev->wiphy.wowlan->tcp)
12022 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
12023 nl80211_wowlan_tcp_policy, NULL);
12027 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
12028 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
12029 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
12030 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
12031 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
12032 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
12033 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
12034 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
12037 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
12038 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
12041 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
12042 rdev->wiphy.wowlan->tcp->data_interval_max ||
12043 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
12046 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
12047 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
12050 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
12051 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
12054 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
12055 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12057 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12058 tokens_size = tokln - sizeof(*tok);
12060 if (!tok->len || tokens_size % tok->len)
12062 if (!rdev->wiphy.wowlan->tcp->tok)
12064 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
12066 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
12068 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
12070 if (tok->offset + tok->len > data_size)
12074 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
12075 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
12076 if (!rdev->wiphy.wowlan->tcp->seq)
12078 if (seq->len == 0 || seq->len > 4)
12080 if (seq->len + seq->offset > data_size)
12084 size = sizeof(*cfg);
12086 size += wake_size + wake_mask_size;
12087 size += tokens_size;
12089 cfg = kzalloc(size, GFP_KERNEL);
12092 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
12093 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
12094 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
12096 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
12097 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
12101 /* allocate a socket and port for it and use it */
12102 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
12103 IPPROTO_TCP, &cfg->sock, 1);
12108 if (inet_csk_get_port(cfg->sock->sk, port)) {
12109 sock_release(cfg->sock);
12111 return -EADDRINUSE;
12113 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
12119 cfg->src_port = port;
12122 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
12123 cfg->payload_len = data_size;
12124 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
12125 memcpy((void *)cfg->payload,
12126 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
12129 cfg->payload_seq = *seq;
12130 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
12131 cfg->wake_len = wake_size;
12132 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
12133 memcpy((void *)cfg->wake_data,
12134 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
12136 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
12137 data_size + wake_size;
12138 memcpy((void *)cfg->wake_mask,
12139 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
12142 cfg->tokens_size = tokens_size;
12143 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
12151 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
12152 const struct wiphy_wowlan_support *wowlan,
12153 struct nlattr *attr,
12154 struct cfg80211_wowlan *trig)
12156 struct nlattr **tb;
12159 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
12163 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
12168 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
12169 nl80211_policy, NULL);
12173 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
12174 wowlan->max_nd_match_sets);
12175 err = PTR_ERR_OR_ZERO(trig->nd_config);
12177 trig->nd_config = NULL;
12184 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
12186 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12187 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
12188 struct cfg80211_wowlan new_triggers = {};
12189 struct cfg80211_wowlan *ntrig;
12190 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
12192 bool prev_enabled = rdev->wiphy.wowlan_config;
12193 bool regular = false;
12196 return -EOPNOTSUPP;
12198 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
12199 cfg80211_rdev_free_wowlan(rdev);
12200 rdev->wiphy.wowlan_config = NULL;
12204 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
12205 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
12206 nl80211_wowlan_policy, info->extack);
12210 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
12211 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
12213 new_triggers.any = true;
12216 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
12217 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
12219 new_triggers.disconnect = true;
12223 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
12224 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
12226 new_triggers.magic_pkt = true;
12230 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
12233 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
12234 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
12236 new_triggers.gtk_rekey_failure = true;
12240 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
12241 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
12243 new_triggers.eap_identity_req = true;
12247 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
12248 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
12250 new_triggers.four_way_handshake = true;
12254 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
12255 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
12257 new_triggers.rfkill_release = true;
12261 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
12262 struct nlattr *pat;
12263 int n_patterns = 0;
12264 int rem, pat_len, mask_len, pkt_offset;
12265 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12269 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12272 if (n_patterns > wowlan->n_patterns)
12275 new_triggers.patterns = kcalloc(n_patterns,
12276 sizeof(new_triggers.patterns[0]),
12278 if (!new_triggers.patterns)
12281 new_triggers.n_patterns = n_patterns;
12284 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12288 err = nla_parse_nested_deprecated(pat_tb,
12289 MAX_NL80211_PKTPAT,
12291 nl80211_packet_pattern_policy,
12297 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12298 !pat_tb[NL80211_PKTPAT_PATTERN])
12300 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12301 mask_len = DIV_ROUND_UP(pat_len, 8);
12302 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12304 if (pat_len > wowlan->pattern_max_len ||
12305 pat_len < wowlan->pattern_min_len)
12308 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12311 pkt_offset = nla_get_u32(
12312 pat_tb[NL80211_PKTPAT_OFFSET]);
12313 if (pkt_offset > wowlan->max_pkt_offset)
12315 new_triggers.patterns[i].pkt_offset = pkt_offset;
12317 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12322 new_triggers.patterns[i].mask = mask_pat;
12323 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12325 mask_pat += mask_len;
12326 new_triggers.patterns[i].pattern = mask_pat;
12327 new_triggers.patterns[i].pattern_len = pat_len;
12329 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12335 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
12337 err = nl80211_parse_wowlan_tcp(
12338 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
12344 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
12346 err = nl80211_parse_wowlan_nd(
12347 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
12353 /* The 'any' trigger means the device continues operating more or less
12354 * as in its normal operation mode and wakes up the host on most of the
12355 * normal interrupts (like packet RX, ...)
12356 * It therefore makes little sense to combine with the more constrained
12357 * wakeup trigger modes.
12359 if (new_triggers.any && regular) {
12364 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
12369 cfg80211_rdev_free_wowlan(rdev);
12370 rdev->wiphy.wowlan_config = ntrig;
12373 if (rdev->ops->set_wakeup &&
12374 prev_enabled != !!rdev->wiphy.wowlan_config)
12375 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
12379 for (i = 0; i < new_triggers.n_patterns; i++)
12380 kfree(new_triggers.patterns[i].mask);
12381 kfree(new_triggers.patterns);
12382 if (new_triggers.tcp && new_triggers.tcp->sock)
12383 sock_release(new_triggers.tcp->sock);
12384 kfree(new_triggers.tcp);
12385 kfree(new_triggers.nd_config);
12390 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
12391 struct cfg80211_registered_device *rdev)
12393 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
12395 struct cfg80211_coalesce_rules *rule;
12397 if (!rdev->coalesce->n_rules)
12400 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
12404 for (i = 0; i < rdev->coalesce->n_rules; i++) {
12405 nl_rule = nla_nest_start_noflag(msg, i + 1);
12409 rule = &rdev->coalesce->rules[i];
12410 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
12414 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
12418 nl_pats = nla_nest_start_noflag(msg,
12419 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
12423 for (j = 0; j < rule->n_patterns; j++) {
12424 nl_pat = nla_nest_start_noflag(msg, j + 1);
12427 pat_len = rule->patterns[j].pattern_len;
12428 if (nla_put(msg, NL80211_PKTPAT_MASK,
12429 DIV_ROUND_UP(pat_len, 8),
12430 rule->patterns[j].mask) ||
12431 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12432 rule->patterns[j].pattern) ||
12433 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12434 rule->patterns[j].pkt_offset))
12436 nla_nest_end(msg, nl_pat);
12438 nla_nest_end(msg, nl_pats);
12439 nla_nest_end(msg, nl_rule);
12441 nla_nest_end(msg, nl_rules);
12446 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
12448 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12449 struct sk_buff *msg;
12452 if (!rdev->wiphy.coalesce)
12453 return -EOPNOTSUPP;
12455 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12459 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12460 NL80211_CMD_GET_COALESCE);
12462 goto nla_put_failure;
12464 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
12465 goto nla_put_failure;
12467 genlmsg_end(msg, hdr);
12468 return genlmsg_reply(msg, info);
12475 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
12477 struct cfg80211_coalesce *coalesce = rdev->coalesce;
12479 struct cfg80211_coalesce_rules *rule;
12484 for (i = 0; i < coalesce->n_rules; i++) {
12485 rule = &coalesce->rules[i];
12486 for (j = 0; j < rule->n_patterns; j++)
12487 kfree(rule->patterns[j].mask);
12488 kfree(rule->patterns);
12490 kfree(coalesce->rules);
12492 rdev->coalesce = NULL;
12495 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
12496 struct nlattr *rule,
12497 struct cfg80211_coalesce_rules *new_rule)
12500 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12501 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
12502 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
12503 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12505 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
12506 rule, nl80211_coalesce_policy, NULL);
12510 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
12512 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
12513 if (new_rule->delay > coalesce->max_delay)
12516 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
12517 new_rule->condition =
12518 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
12520 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
12523 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12526 if (n_patterns > coalesce->n_patterns)
12529 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
12531 if (!new_rule->patterns)
12534 new_rule->n_patterns = n_patterns;
12537 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12541 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
12543 nl80211_packet_pattern_policy,
12548 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12549 !pat_tb[NL80211_PKTPAT_PATTERN])
12551 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12552 mask_len = DIV_ROUND_UP(pat_len, 8);
12553 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12555 if (pat_len > coalesce->pattern_max_len ||
12556 pat_len < coalesce->pattern_min_len)
12559 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12562 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
12563 if (pkt_offset > coalesce->max_pkt_offset)
12565 new_rule->patterns[i].pkt_offset = pkt_offset;
12567 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12571 new_rule->patterns[i].mask = mask_pat;
12572 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12575 mask_pat += mask_len;
12576 new_rule->patterns[i].pattern = mask_pat;
12577 new_rule->patterns[i].pattern_len = pat_len;
12578 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12586 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
12588 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12589 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12590 struct cfg80211_coalesce new_coalesce = {};
12591 struct cfg80211_coalesce *n_coalesce;
12592 int err, rem_rule, n_rules = 0, i, j;
12593 struct nlattr *rule;
12594 struct cfg80211_coalesce_rules *tmp_rule;
12596 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
12597 return -EOPNOTSUPP;
12599 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
12600 cfg80211_rdev_free_coalesce(rdev);
12601 rdev_set_coalesce(rdev, NULL);
12605 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12608 if (n_rules > coalesce->n_rules)
12611 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
12613 if (!new_coalesce.rules)
12616 new_coalesce.n_rules = n_rules;
12619 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12621 err = nl80211_parse_coalesce_rule(rdev, rule,
12622 &new_coalesce.rules[i]);
12629 err = rdev_set_coalesce(rdev, &new_coalesce);
12633 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12638 cfg80211_rdev_free_coalesce(rdev);
12639 rdev->coalesce = n_coalesce;
12643 for (i = 0; i < new_coalesce.n_rules; i++) {
12644 tmp_rule = &new_coalesce.rules[i];
12647 for (j = 0; j < tmp_rule->n_patterns; j++)
12648 kfree(tmp_rule->patterns[j].mask);
12649 kfree(tmp_rule->patterns);
12651 kfree(new_coalesce.rules);
12656 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12658 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12659 struct net_device *dev = info->user_ptr[1];
12660 struct wireless_dev *wdev = dev->ieee80211_ptr;
12661 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
12662 struct cfg80211_gtk_rekey_data rekey_data = {};
12665 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12668 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12669 info->attrs[NL80211_ATTR_REKEY_DATA],
12670 nl80211_rekey_policy, info->extack);
12674 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12675 !tb[NL80211_REKEY_DATA_KCK])
12677 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
12678 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12679 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
12681 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
12682 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12683 nla_len(tb[NL80211_REKEY_DATA_KCK]) == NL80211_KCK_EXT_LEN))
12686 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12687 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12688 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
12689 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
12690 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
12691 if (tb[NL80211_REKEY_DATA_AKM])
12692 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
12695 if (!wdev->current_bss) {
12700 if (!rdev->ops->set_rekey_data) {
12705 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
12711 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12712 struct genl_info *info)
12714 struct net_device *dev = info->user_ptr[1];
12715 struct wireless_dev *wdev = dev->ieee80211_ptr;
12717 if (wdev->iftype != NL80211_IFTYPE_AP &&
12718 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12721 if (wdev->ap_unexpected_nlportid)
12724 wdev->ap_unexpected_nlportid = info->snd_portid;
12728 static int nl80211_probe_client(struct sk_buff *skb,
12729 struct genl_info *info)
12731 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12732 struct net_device *dev = info->user_ptr[1];
12733 struct wireless_dev *wdev = dev->ieee80211_ptr;
12734 struct sk_buff *msg;
12740 if (wdev->iftype != NL80211_IFTYPE_AP &&
12741 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12742 return -EOPNOTSUPP;
12744 if (!info->attrs[NL80211_ATTR_MAC])
12747 if (!rdev->ops->probe_client)
12748 return -EOPNOTSUPP;
12750 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12754 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12755 NL80211_CMD_PROBE_CLIENT);
12761 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12763 err = rdev_probe_client(rdev, dev, addr, &cookie);
12767 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12769 goto nla_put_failure;
12771 genlmsg_end(msg, hdr);
12773 return genlmsg_reply(msg, info);
12782 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
12784 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12785 struct cfg80211_beacon_registration *reg, *nreg;
12788 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
12789 return -EOPNOTSUPP;
12791 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
12795 /* First, check if already registered. */
12796 spin_lock_bh(&rdev->beacon_registrations_lock);
12797 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
12798 if (reg->nlportid == info->snd_portid) {
12803 /* Add it to the list */
12804 nreg->nlportid = info->snd_portid;
12805 list_add(&nreg->list, &rdev->beacon_registrations);
12807 spin_unlock_bh(&rdev->beacon_registrations_lock);
12811 spin_unlock_bh(&rdev->beacon_registrations_lock);
12816 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
12818 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12819 struct wireless_dev *wdev = info->user_ptr[1];
12822 if (!rdev->ops->start_p2p_device)
12823 return -EOPNOTSUPP;
12825 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12826 return -EOPNOTSUPP;
12828 if (wdev_running(wdev))
12831 if (rfkill_blocked(rdev->rfkill))
12834 err = rdev_start_p2p_device(rdev, wdev);
12838 wdev->is_running = true;
12844 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
12846 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12847 struct wireless_dev *wdev = info->user_ptr[1];
12849 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12850 return -EOPNOTSUPP;
12852 if (!rdev->ops->stop_p2p_device)
12853 return -EOPNOTSUPP;
12855 cfg80211_stop_p2p_device(rdev, wdev);
12860 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
12862 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12863 struct wireless_dev *wdev = info->user_ptr[1];
12864 struct cfg80211_nan_conf conf = {};
12867 if (wdev->iftype != NL80211_IFTYPE_NAN)
12868 return -EOPNOTSUPP;
12870 if (wdev_running(wdev))
12873 if (rfkill_blocked(rdev->rfkill))
12876 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
12880 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12882 if (info->attrs[NL80211_ATTR_BANDS]) {
12883 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12885 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12886 return -EOPNOTSUPP;
12888 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12891 conf.bands = bands;
12894 err = rdev_start_nan(rdev, wdev, &conf);
12898 wdev->is_running = true;
12904 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12906 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12907 struct wireless_dev *wdev = info->user_ptr[1];
12909 if (wdev->iftype != NL80211_IFTYPE_NAN)
12910 return -EOPNOTSUPP;
12912 cfg80211_stop_nan(rdev, wdev);
12917 static int validate_nan_filter(struct nlattr *filter_attr)
12919 struct nlattr *attr;
12920 int len = 0, n_entries = 0, rem;
12922 nla_for_each_nested(attr, filter_attr, rem) {
12923 len += nla_len(attr);
12933 static int handle_nan_filter(struct nlattr *attr_filter,
12934 struct cfg80211_nan_func *func,
12937 struct nlattr *attr;
12938 int n_entries, rem, i;
12939 struct cfg80211_nan_func_filter *filter;
12941 n_entries = validate_nan_filter(attr_filter);
12945 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12947 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12952 nla_for_each_nested(attr, attr_filter, rem) {
12953 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
12954 if (!filter[i].filter)
12957 filter[i].len = nla_len(attr);
12961 func->num_tx_filters = n_entries;
12962 func->tx_filters = filter;
12964 func->num_rx_filters = n_entries;
12965 func->rx_filters = filter;
12972 nla_for_each_nested(attr, attr_filter, rem) {
12973 kfree(filter[i].filter);
12980 static int nl80211_nan_add_func(struct sk_buff *skb,
12981 struct genl_info *info)
12983 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12984 struct wireless_dev *wdev = info->user_ptr[1];
12985 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12986 struct cfg80211_nan_func *func;
12987 struct sk_buff *msg = NULL;
12991 if (wdev->iftype != NL80211_IFTYPE_NAN)
12992 return -EOPNOTSUPP;
12994 if (!wdev_running(wdev))
12997 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
13000 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
13001 info->attrs[NL80211_ATTR_NAN_FUNC],
13002 nl80211_nan_func_policy,
13007 func = kzalloc(sizeof(*func), GFP_KERNEL);
13011 func->cookie = cfg80211_assign_cookie(rdev);
13013 if (!tb[NL80211_NAN_FUNC_TYPE]) {
13019 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
13021 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
13026 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
13027 sizeof(func->service_id));
13029 func->close_range =
13030 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
13032 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
13033 func->serv_spec_info_len =
13034 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
13035 func->serv_spec_info =
13036 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
13037 func->serv_spec_info_len,
13039 if (!func->serv_spec_info) {
13045 if (tb[NL80211_NAN_FUNC_TTL])
13046 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
13048 switch (func->type) {
13049 case NL80211_NAN_FUNC_PUBLISH:
13050 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
13055 func->publish_type =
13056 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
13057 func->publish_bcast =
13058 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
13060 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
13061 func->publish_bcast) {
13066 case NL80211_NAN_FUNC_SUBSCRIBE:
13067 func->subscribe_active =
13068 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
13070 case NL80211_NAN_FUNC_FOLLOW_UP:
13071 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
13072 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
13073 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
13078 func->followup_id =
13079 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
13080 func->followup_reqid =
13081 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
13082 memcpy(func->followup_dest.addr,
13083 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
13084 sizeof(func->followup_dest.addr));
13095 if (tb[NL80211_NAN_FUNC_SRF]) {
13096 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
13098 err = nla_parse_nested_deprecated(srf_tb,
13099 NL80211_NAN_SRF_ATTR_MAX,
13100 tb[NL80211_NAN_FUNC_SRF],
13101 nl80211_nan_srf_policy,
13106 func->srf_include =
13107 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
13109 if (srf_tb[NL80211_NAN_SRF_BF]) {
13110 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
13111 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
13117 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
13119 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
13120 func->srf_bf_len, GFP_KERNEL);
13121 if (!func->srf_bf) {
13127 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
13129 struct nlattr *attr, *mac_attr =
13130 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
13131 int n_entries, rem, i = 0;
13138 n_entries = validate_acl_mac_addrs(mac_attr);
13139 if (n_entries <= 0) {
13144 func->srf_num_macs = n_entries;
13146 kcalloc(n_entries, sizeof(*func->srf_macs),
13148 if (!func->srf_macs) {
13153 nla_for_each_nested(attr, mac_attr, rem)
13154 memcpy(func->srf_macs[i++].addr, nla_data(attr),
13155 sizeof(*func->srf_macs));
13159 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
13160 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
13166 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
13167 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
13173 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13179 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13180 NL80211_CMD_ADD_NAN_FUNCTION);
13181 /* This can't really happen - we just allocated 4KB */
13182 if (WARN_ON(!hdr)) {
13187 err = rdev_add_nan_func(rdev, wdev, func);
13190 cfg80211_free_nan_func(func);
13195 /* propagate the instance id and cookie to userspace */
13196 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
13198 goto nla_put_failure;
13200 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13202 goto nla_put_failure;
13204 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
13205 func->instance_id))
13206 goto nla_put_failure;
13208 nla_nest_end(msg, func_attr);
13210 genlmsg_end(msg, hdr);
13211 return genlmsg_reply(msg, info);
13218 static int nl80211_nan_del_func(struct sk_buff *skb,
13219 struct genl_info *info)
13221 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13222 struct wireless_dev *wdev = info->user_ptr[1];
13225 if (wdev->iftype != NL80211_IFTYPE_NAN)
13226 return -EOPNOTSUPP;
13228 if (!wdev_running(wdev))
13231 if (!info->attrs[NL80211_ATTR_COOKIE])
13234 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
13236 rdev_del_nan_func(rdev, wdev, cookie);
13241 static int nl80211_nan_change_config(struct sk_buff *skb,
13242 struct genl_info *info)
13244 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13245 struct wireless_dev *wdev = info->user_ptr[1];
13246 struct cfg80211_nan_conf conf = {};
13249 if (wdev->iftype != NL80211_IFTYPE_NAN)
13250 return -EOPNOTSUPP;
13252 if (!wdev_running(wdev))
13255 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
13257 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13258 if (conf.master_pref <= 1 || conf.master_pref == 255)
13261 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
13264 if (info->attrs[NL80211_ATTR_BANDS]) {
13265 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13267 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13268 return -EOPNOTSUPP;
13270 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13273 conf.bands = bands;
13274 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
13280 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
13283 void cfg80211_nan_match(struct wireless_dev *wdev,
13284 struct cfg80211_nan_match_params *match, gfp_t gfp)
13286 struct wiphy *wiphy = wdev->wiphy;
13287 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13288 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
13289 struct sk_buff *msg;
13292 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
13295 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13299 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
13305 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13306 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13307 wdev->netdev->ifindex)) ||
13308 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13310 goto nla_put_failure;
13312 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
13313 NL80211_ATTR_PAD) ||
13314 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
13315 goto nla_put_failure;
13317 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
13319 goto nla_put_failure;
13321 local_func_attr = nla_nest_start_noflag(msg,
13322 NL80211_NAN_MATCH_FUNC_LOCAL);
13323 if (!local_func_attr)
13324 goto nla_put_failure;
13326 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
13327 goto nla_put_failure;
13329 nla_nest_end(msg, local_func_attr);
13331 peer_func_attr = nla_nest_start_noflag(msg,
13332 NL80211_NAN_MATCH_FUNC_PEER);
13333 if (!peer_func_attr)
13334 goto nla_put_failure;
13336 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
13337 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
13338 goto nla_put_failure;
13340 if (match->info && match->info_len &&
13341 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
13343 goto nla_put_failure;
13345 nla_nest_end(msg, peer_func_attr);
13346 nla_nest_end(msg, match_attr);
13347 genlmsg_end(msg, hdr);
13349 if (!wdev->owner_nlportid)
13350 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13351 msg, 0, NL80211_MCGRP_NAN, gfp);
13353 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13354 wdev->owner_nlportid);
13361 EXPORT_SYMBOL(cfg80211_nan_match);
13363 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
13365 enum nl80211_nan_func_term_reason reason,
13366 u64 cookie, gfp_t gfp)
13368 struct wiphy *wiphy = wdev->wiphy;
13369 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13370 struct sk_buff *msg;
13371 struct nlattr *func_attr;
13374 if (WARN_ON(!inst_id))
13377 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13381 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
13387 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13388 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13389 wdev->netdev->ifindex)) ||
13390 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13392 goto nla_put_failure;
13394 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13396 goto nla_put_failure;
13398 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13400 goto nla_put_failure;
13402 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
13403 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
13404 goto nla_put_failure;
13406 nla_nest_end(msg, func_attr);
13407 genlmsg_end(msg, hdr);
13409 if (!wdev->owner_nlportid)
13410 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13411 msg, 0, NL80211_MCGRP_NAN, gfp);
13413 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13414 wdev->owner_nlportid);
13421 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
13423 static int nl80211_get_protocol_features(struct sk_buff *skb,
13424 struct genl_info *info)
13427 struct sk_buff *msg;
13429 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13433 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13434 NL80211_CMD_GET_PROTOCOL_FEATURES);
13436 goto nla_put_failure;
13438 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
13439 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
13440 goto nla_put_failure;
13442 genlmsg_end(msg, hdr);
13443 return genlmsg_reply(msg, info);
13450 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
13452 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13453 struct cfg80211_update_ft_ies_params ft_params;
13454 struct net_device *dev = info->user_ptr[1];
13456 if (!rdev->ops->update_ft_ies)
13457 return -EOPNOTSUPP;
13459 if (!info->attrs[NL80211_ATTR_MDID] ||
13460 !info->attrs[NL80211_ATTR_IE])
13463 memset(&ft_params, 0, sizeof(ft_params));
13464 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
13465 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13466 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13468 return rdev_update_ft_ies(rdev, dev, &ft_params);
13471 static int nl80211_crit_protocol_start(struct sk_buff *skb,
13472 struct genl_info *info)
13474 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13475 struct wireless_dev *wdev = info->user_ptr[1];
13476 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
13480 if (!rdev->ops->crit_proto_start)
13481 return -EOPNOTSUPP;
13483 if (WARN_ON(!rdev->ops->crit_proto_stop))
13486 if (rdev->crit_proto_nlportid)
13489 /* determine protocol if provided */
13490 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
13491 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
13493 if (proto >= NUM_NL80211_CRIT_PROTO)
13496 /* timeout must be provided */
13497 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
13501 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
13503 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
13505 rdev->crit_proto_nlportid = info->snd_portid;
13510 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
13511 struct genl_info *info)
13513 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13514 struct wireless_dev *wdev = info->user_ptr[1];
13516 if (!rdev->ops->crit_proto_stop)
13517 return -EOPNOTSUPP;
13519 if (rdev->crit_proto_nlportid) {
13520 rdev->crit_proto_nlportid = 0;
13521 rdev_crit_proto_stop(rdev, wdev);
13526 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
13527 struct nlattr *attr,
13528 struct netlink_ext_ack *extack)
13530 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
13531 if (attr->nla_type & NLA_F_NESTED) {
13532 NL_SET_ERR_MSG_ATTR(extack, attr,
13533 "unexpected nested data");
13540 if (!(attr->nla_type & NLA_F_NESTED)) {
13541 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
13545 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
13548 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
13550 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13551 struct wireless_dev *wdev =
13552 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
13556 if (!rdev->wiphy.vendor_commands)
13557 return -EOPNOTSUPP;
13559 if (IS_ERR(wdev)) {
13560 err = PTR_ERR(wdev);
13561 if (err != -EINVAL)
13564 } else if (wdev->wiphy != &rdev->wiphy) {
13568 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
13569 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
13572 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
13573 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
13574 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
13575 const struct wiphy_vendor_command *vcmd;
13579 vcmd = &rdev->wiphy.vendor_commands[i];
13581 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13584 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13585 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13588 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13592 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13593 if (!wdev_running(wdev))
13601 return -EOPNOTSUPP;
13603 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
13604 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13605 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13607 err = nl80211_vendor_check_policy(vcmd,
13608 info->attrs[NL80211_ATTR_VENDOR_DATA],
13614 rdev->cur_cmd_info = info;
13615 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
13616 rdev->cur_cmd_info = NULL;
13620 return -EOPNOTSUPP;
13623 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
13624 struct netlink_callback *cb,
13625 struct cfg80211_registered_device **rdev,
13626 struct wireless_dev **wdev)
13628 struct nlattr **attrbuf;
13634 unsigned int data_len = 0;
13637 /* subtract the 1 again here */
13638 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
13639 struct wireless_dev *tmp;
13643 *rdev = wiphy_to_rdev(wiphy);
13647 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
13648 if (tmp->identifier == cb->args[1] - 1) {
13655 /* keep rtnl locked in successful case */
13659 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13663 err = nlmsg_parse_deprecated(cb->nlh,
13664 GENL_HDRLEN + nl80211_fam.hdrsize,
13665 attrbuf, nl80211_fam.maxattr,
13666 nl80211_policy, NULL);
13670 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
13671 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13676 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
13680 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
13681 if (IS_ERR(*rdev)) {
13682 err = PTR_ERR(*rdev);
13686 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13687 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
13689 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13690 const struct wiphy_vendor_command *vcmd;
13692 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13694 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13697 if (!vcmd->dumpit) {
13706 if (vcmd_idx < 0) {
13711 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13712 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13713 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13715 err = nl80211_vendor_check_policy(
13716 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13717 attrbuf[NL80211_ATTR_VENDOR_DATA],
13723 /* 0 is the first index - add 1 to parse only once */
13724 cb->args[0] = (*rdev)->wiphy_idx + 1;
13725 /* add 1 to know if it was NULL */
13726 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13727 cb->args[2] = vcmd_idx;
13728 cb->args[3] = (unsigned long)data;
13729 cb->args[4] = data_len;
13731 /* keep rtnl locked in successful case */
13738 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13739 struct netlink_callback *cb)
13741 struct cfg80211_registered_device *rdev;
13742 struct wireless_dev *wdev;
13743 unsigned int vcmd_idx;
13744 const struct wiphy_vendor_command *vcmd;
13748 struct nlattr *vendor_data;
13751 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13755 vcmd_idx = cb->args[2];
13756 data = (void *)cb->args[3];
13757 data_len = cb->args[4];
13758 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13760 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13761 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13766 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13772 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13773 if (!wdev_running(wdev)) {
13781 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13782 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13783 NL80211_CMD_VENDOR);
13787 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13788 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13790 NL80211_ATTR_PAD))) {
13791 genlmsg_cancel(skb, hdr);
13795 vendor_data = nla_nest_start_noflag(skb,
13796 NL80211_ATTR_VENDOR_DATA);
13797 if (!vendor_data) {
13798 genlmsg_cancel(skb, hdr);
13802 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
13803 (unsigned long *)&cb->args[5]);
13804 nla_nest_end(skb, vendor_data);
13806 if (err == -ENOBUFS || err == -ENOENT) {
13807 genlmsg_cancel(skb, hdr);
13809 } else if (err <= 0) {
13810 genlmsg_cancel(skb, hdr);
13814 genlmsg_end(skb, hdr);
13823 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
13824 enum nl80211_commands cmd,
13825 enum nl80211_attrs attr,
13828 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13830 if (WARN_ON(!rdev->cur_cmd_info))
13833 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
13834 rdev->cur_cmd_info->snd_portid,
13835 rdev->cur_cmd_info->snd_seq,
13836 cmd, attr, NULL, GFP_KERNEL);
13838 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
13840 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
13842 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
13843 void *hdr = ((void **)skb->cb)[1];
13844 struct nlattr *data = ((void **)skb->cb)[2];
13846 /* clear CB data for netlink core to own from now on */
13847 memset(skb->cb, 0, sizeof(skb->cb));
13849 if (WARN_ON(!rdev->cur_cmd_info)) {
13854 nla_nest_end(skb, data);
13855 genlmsg_end(skb, hdr);
13856 return genlmsg_reply(skb, rdev->cur_cmd_info);
13858 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
13860 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
13862 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13864 if (WARN_ON(!rdev->cur_cmd_info))
13867 return rdev->cur_cmd_info->snd_portid;
13869 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
13871 static int nl80211_set_qos_map(struct sk_buff *skb,
13872 struct genl_info *info)
13874 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13875 struct cfg80211_qos_map *qos_map = NULL;
13876 struct net_device *dev = info->user_ptr[1];
13877 u8 *pos, len, num_des, des_len, des;
13880 if (!rdev->ops->set_qos_map)
13881 return -EOPNOTSUPP;
13883 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
13884 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
13885 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
13890 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
13894 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
13896 des_len = num_des *
13897 sizeof(struct cfg80211_dscp_exception);
13898 memcpy(qos_map->dscp_exception, pos, des_len);
13899 qos_map->num_des = num_des;
13900 for (des = 0; des < num_des; des++) {
13901 if (qos_map->dscp_exception[des].up > 7) {
13908 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
13911 wdev_lock(dev->ieee80211_ptr);
13912 ret = nl80211_key_allowed(dev->ieee80211_ptr);
13914 ret = rdev_set_qos_map(rdev, dev, qos_map);
13915 wdev_unlock(dev->ieee80211_ptr);
13921 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
13923 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13924 struct net_device *dev = info->user_ptr[1];
13925 struct wireless_dev *wdev = dev->ieee80211_ptr;
13928 u16 admitted_time = 0;
13931 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
13932 return -EOPNOTSUPP;
13934 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
13935 !info->attrs[NL80211_ATTR_USER_PRIO])
13938 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13939 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
13941 /* WMM uses TIDs 0-7 even for TSPEC */
13942 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
13943 /* TODO: handle 802.11 TSPEC/admission control
13944 * need more attributes for that (e.g. BA session requirement);
13945 * change the WMM adminssion test above to allow both then
13950 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13952 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13954 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13955 if (!admitted_time)
13960 switch (wdev->iftype) {
13961 case NL80211_IFTYPE_STATION:
13962 case NL80211_IFTYPE_P2P_CLIENT:
13963 if (wdev->current_bss)
13972 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13979 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13981 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13982 struct net_device *dev = info->user_ptr[1];
13983 struct wireless_dev *wdev = dev->ieee80211_ptr;
13988 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13991 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13992 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13995 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
14001 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
14002 struct genl_info *info)
14004 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14005 struct net_device *dev = info->user_ptr[1];
14006 struct wireless_dev *wdev = dev->ieee80211_ptr;
14007 struct cfg80211_chan_def chandef = {};
14012 if (!rdev->ops->tdls_channel_switch ||
14013 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14014 return -EOPNOTSUPP;
14016 switch (dev->ieee80211_ptr->iftype) {
14017 case NL80211_IFTYPE_STATION:
14018 case NL80211_IFTYPE_P2P_CLIENT:
14021 return -EOPNOTSUPP;
14024 if (!info->attrs[NL80211_ATTR_MAC] ||
14025 !info->attrs[NL80211_ATTR_OPER_CLASS])
14028 err = nl80211_parse_chandef(rdev, info, &chandef);
14033 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
14034 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
14035 * specification is not defined for them.
14037 if (chandef.chan->band == NL80211_BAND_2GHZ &&
14038 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
14039 chandef.width != NL80211_CHAN_WIDTH_20)
14042 /* we will be active on the TDLS link */
14043 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
14047 /* don't allow switching to DFS channels */
14048 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
14051 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14052 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
14055 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
14061 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
14062 struct genl_info *info)
14064 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14065 struct net_device *dev = info->user_ptr[1];
14066 struct wireless_dev *wdev = dev->ieee80211_ptr;
14069 if (!rdev->ops->tdls_channel_switch ||
14070 !rdev->ops->tdls_cancel_channel_switch ||
14071 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14072 return -EOPNOTSUPP;
14074 switch (dev->ieee80211_ptr->iftype) {
14075 case NL80211_IFTYPE_STATION:
14076 case NL80211_IFTYPE_P2P_CLIENT:
14079 return -EOPNOTSUPP;
14082 if (!info->attrs[NL80211_ATTR_MAC])
14085 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14088 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
14094 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
14095 struct genl_info *info)
14097 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14098 struct net_device *dev = info->user_ptr[1];
14099 struct wireless_dev *wdev = dev->ieee80211_ptr;
14100 const struct nlattr *nla;
14103 if (!rdev->ops->set_multicast_to_unicast)
14104 return -EOPNOTSUPP;
14106 if (wdev->iftype != NL80211_IFTYPE_AP &&
14107 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14108 return -EOPNOTSUPP;
14110 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
14111 enabled = nla_get_flag(nla);
14113 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
14116 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
14118 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14119 struct net_device *dev = info->user_ptr[1];
14120 struct wireless_dev *wdev = dev->ieee80211_ptr;
14121 struct cfg80211_pmk_conf pmk_conf = {};
14124 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14125 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14126 return -EOPNOTSUPP;
14128 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14129 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14130 return -EOPNOTSUPP;
14132 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
14136 if (!wdev->current_bss) {
14141 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14142 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
14147 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
14148 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
14149 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
14150 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
14155 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
14156 pmk_conf.pmk_r0_name =
14157 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
14159 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
14165 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
14167 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14168 struct net_device *dev = info->user_ptr[1];
14169 struct wireless_dev *wdev = dev->ieee80211_ptr;
14173 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14174 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14175 return -EOPNOTSUPP;
14177 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14178 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14179 return -EOPNOTSUPP;
14181 if (!info->attrs[NL80211_ATTR_MAC])
14185 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14186 ret = rdev_del_pmk(rdev, dev, aa);
14192 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
14194 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14195 struct net_device *dev = info->user_ptr[1];
14196 struct cfg80211_external_auth_params params;
14198 if (!rdev->ops->external_auth)
14199 return -EOPNOTSUPP;
14201 if (!info->attrs[NL80211_ATTR_SSID] &&
14202 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
14203 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
14206 if (!info->attrs[NL80211_ATTR_BSSID])
14209 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
14212 memset(¶ms, 0, sizeof(params));
14214 if (info->attrs[NL80211_ATTR_SSID]) {
14215 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
14216 if (params.ssid.ssid_len == 0)
14218 memcpy(params.ssid.ssid,
14219 nla_data(info->attrs[NL80211_ATTR_SSID]),
14220 params.ssid.ssid_len);
14223 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
14226 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14228 if (info->attrs[NL80211_ATTR_PMKID])
14229 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
14231 return rdev_external_auth(rdev, dev, ¶ms);
14234 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
14236 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
14237 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14238 struct net_device *dev = info->user_ptr[1];
14239 struct wireless_dev *wdev = dev->ieee80211_ptr;
14248 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14249 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
14250 return -EOPNOTSUPP;
14252 if (!rdev->ops->tx_control_port)
14253 return -EOPNOTSUPP;
14255 if (!info->attrs[NL80211_ATTR_FRAME] ||
14256 !info->attrs[NL80211_ATTR_MAC] ||
14257 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
14258 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
14264 switch (wdev->iftype) {
14265 case NL80211_IFTYPE_AP:
14266 case NL80211_IFTYPE_P2P_GO:
14267 case NL80211_IFTYPE_MESH_POINT:
14269 case NL80211_IFTYPE_ADHOC:
14270 case NL80211_IFTYPE_STATION:
14271 case NL80211_IFTYPE_P2P_CLIENT:
14272 if (wdev->current_bss)
14283 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14284 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14285 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14286 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
14288 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
14290 err = rdev_tx_control_port(rdev, dev, buf, len,
14291 dest, cpu_to_be16(proto), noencrypt,
14292 dont_wait_for_ack ? NULL : &cookie);
14293 if (!err && !dont_wait_for_ack)
14294 nl_set_extack_cookie_u64(info->extack, cookie);
14301 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
14302 struct genl_info *info)
14304 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14305 struct net_device *dev = info->user_ptr[1];
14306 struct wireless_dev *wdev = dev->ieee80211_ptr;
14307 struct cfg80211_ftm_responder_stats ftm_stats = {};
14308 struct sk_buff *msg;
14310 struct nlattr *ftm_stats_attr;
14313 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
14314 return -EOPNOTSUPP;
14316 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
14320 if (!ftm_stats.filled)
14323 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14327 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14328 NL80211_CMD_GET_FTM_RESPONDER_STATS);
14330 goto nla_put_failure;
14332 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
14333 goto nla_put_failure;
14335 ftm_stats_attr = nla_nest_start_noflag(msg,
14336 NL80211_ATTR_FTM_RESPONDER_STATS);
14337 if (!ftm_stats_attr)
14338 goto nla_put_failure;
14340 #define SET_FTM(field, name, type) \
14341 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14342 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
14343 ftm_stats.field)) \
14344 goto nla_put_failure; } while (0)
14345 #define SET_FTM_U64(field, name) \
14346 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14347 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
14348 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
14349 goto nla_put_failure; } while (0)
14351 SET_FTM(success_num, SUCCESS_NUM, u32);
14352 SET_FTM(partial_num, PARTIAL_NUM, u32);
14353 SET_FTM(failed_num, FAILED_NUM, u32);
14354 SET_FTM(asap_num, ASAP_NUM, u32);
14355 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
14356 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
14357 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
14358 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
14359 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
14362 nla_nest_end(msg, ftm_stats_attr);
14364 genlmsg_end(msg, hdr);
14365 return genlmsg_reply(msg, info);
14372 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
14374 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14375 struct cfg80211_update_owe_info owe_info;
14376 struct net_device *dev = info->user_ptr[1];
14378 if (!rdev->ops->update_owe_info)
14379 return -EOPNOTSUPP;
14381 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
14382 !info->attrs[NL80211_ATTR_MAC])
14385 memset(&owe_info, 0, sizeof(owe_info));
14386 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14387 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
14389 if (info->attrs[NL80211_ATTR_IE]) {
14390 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14391 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14394 return rdev_update_owe_info(rdev, dev, &owe_info);
14397 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
14399 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14400 struct net_device *dev = info->user_ptr[1];
14401 struct wireless_dev *wdev = dev->ieee80211_ptr;
14402 struct station_info sinfo = {};
14408 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
14409 return -EOPNOTSUPP;
14411 if (!info->attrs[NL80211_ATTR_MAC] ||
14412 !info->attrs[NL80211_ATTR_FRAME]) {
14413 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
14417 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
14418 return -EOPNOTSUPP;
14420 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14421 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14422 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14424 if (len < sizeof(struct ethhdr))
14427 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
14428 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
14431 err = rdev_get_station(rdev, dev, dest, &sinfo);
14435 cfg80211_sinfo_release_content(&sinfo);
14437 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
14440 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
14441 struct nlattr *attrs[], struct net_device *dev,
14442 struct cfg80211_tid_cfg *tid_conf,
14443 struct genl_info *info, const u8 *peer)
14445 struct netlink_ext_ack *extack = info->extack;
14449 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
14452 tid_conf->config_override =
14453 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
14454 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
14456 if (tid_conf->config_override) {
14457 if (rdev->ops->reset_tid_config) {
14458 err = rdev_reset_tid_config(rdev, dev, peer,
14467 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
14468 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
14470 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
14473 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
14474 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
14475 tid_conf->retry_short =
14476 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
14478 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
14482 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
14483 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
14484 tid_conf->retry_long =
14485 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
14487 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
14491 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
14492 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
14494 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
14497 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
14498 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
14500 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
14503 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
14504 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
14506 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
14509 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
14510 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
14512 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
14514 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
14515 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
14516 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
14517 &tid_conf->txrate_mask, dev);
14521 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
14523 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
14527 mask = rdev->wiphy.tid_config_support.peer;
14529 mask = rdev->wiphy.tid_config_support.vif;
14531 if (tid_conf->mask & ~mask) {
14532 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
14539 static int nl80211_set_tid_config(struct sk_buff *skb,
14540 struct genl_info *info)
14542 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14543 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
14544 struct net_device *dev = info->user_ptr[1];
14545 struct cfg80211_tid_config *tid_config;
14546 struct nlattr *tid;
14547 int conf_idx = 0, rem_conf;
14551 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
14554 if (!rdev->ops->set_tid_config)
14555 return -EOPNOTSUPP;
14557 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14561 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
14566 tid_config->n_tid_conf = num_conf;
14568 if (info->attrs[NL80211_ATTR_MAC])
14569 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14571 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14573 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
14579 ret = parse_tid_conf(rdev, attrs, dev,
14580 &tid_config->tid_conf[conf_idx],
14581 info, tid_config->peer);
14588 ret = rdev_set_tid_config(rdev, dev, tid_config);
14595 #define NL80211_FLAG_NEED_WIPHY 0x01
14596 #define NL80211_FLAG_NEED_NETDEV 0x02
14597 #define NL80211_FLAG_NEED_RTNL 0x04
14598 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
14599 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
14600 NL80211_FLAG_CHECK_NETDEV_UP)
14601 #define NL80211_FLAG_NEED_WDEV 0x10
14602 /* If a netdev is associated, it must be UP, P2P must be started */
14603 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
14604 NL80211_FLAG_CHECK_NETDEV_UP)
14605 #define NL80211_FLAG_CLEAR_SKB 0x20
14607 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
14608 struct genl_info *info)
14610 struct cfg80211_registered_device *rdev;
14611 struct wireless_dev *wdev;
14612 struct net_device *dev;
14613 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
14618 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
14619 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
14620 if (IS_ERR(rdev)) {
14623 return PTR_ERR(rdev);
14625 info->user_ptr[0] = rdev;
14626 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
14627 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14630 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
14632 if (IS_ERR(wdev)) {
14635 return PTR_ERR(wdev);
14638 dev = wdev->netdev;
14639 rdev = wiphy_to_rdev(wdev->wiphy);
14641 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
14648 info->user_ptr[1] = dev;
14650 info->user_ptr[1] = wdev;
14653 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
14654 !wdev_running(wdev)) {
14663 info->user_ptr[0] = rdev;
14669 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
14670 struct genl_info *info)
14672 if (info->user_ptr[1]) {
14673 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14674 struct wireless_dev *wdev = info->user_ptr[1];
14677 dev_put(wdev->netdev);
14679 dev_put(info->user_ptr[1]);
14683 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
14686 /* If needed, clear the netlink message payload from the SKB
14687 * as it might contain key data that shouldn't stick around on
14688 * the heap after the SKB is freed. The netlink message header
14689 * is still needed for further processing, so leave it intact.
14691 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
14692 struct nlmsghdr *nlh = nlmsg_hdr(skb);
14694 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
14698 static const struct genl_ops nl80211_ops[] = {
14700 .cmd = NL80211_CMD_GET_WIPHY,
14701 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14702 .doit = nl80211_get_wiphy,
14703 .dumpit = nl80211_dump_wiphy,
14704 .done = nl80211_dump_wiphy_done,
14705 /* can be retrieved by unprivileged users */
14706 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14707 NL80211_FLAG_NEED_RTNL,
14711 static const struct genl_small_ops nl80211_small_ops[] = {
14713 .cmd = NL80211_CMD_SET_WIPHY,
14714 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14715 .doit = nl80211_set_wiphy,
14716 .flags = GENL_UNS_ADMIN_PERM,
14717 .internal_flags = NL80211_FLAG_NEED_RTNL,
14720 .cmd = NL80211_CMD_GET_INTERFACE,
14721 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14722 .doit = nl80211_get_interface,
14723 .dumpit = nl80211_dump_interface,
14724 /* can be retrieved by unprivileged users */
14725 .internal_flags = NL80211_FLAG_NEED_WDEV |
14726 NL80211_FLAG_NEED_RTNL,
14729 .cmd = NL80211_CMD_SET_INTERFACE,
14730 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14731 .doit = nl80211_set_interface,
14732 .flags = GENL_UNS_ADMIN_PERM,
14733 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14734 NL80211_FLAG_NEED_RTNL,
14737 .cmd = NL80211_CMD_NEW_INTERFACE,
14738 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14739 .doit = nl80211_new_interface,
14740 .flags = GENL_UNS_ADMIN_PERM,
14741 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14742 NL80211_FLAG_NEED_RTNL,
14745 .cmd = NL80211_CMD_DEL_INTERFACE,
14746 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14747 .doit = nl80211_del_interface,
14748 .flags = GENL_UNS_ADMIN_PERM,
14749 .internal_flags = NL80211_FLAG_NEED_WDEV |
14750 NL80211_FLAG_NEED_RTNL,
14753 .cmd = NL80211_CMD_GET_KEY,
14754 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14755 .doit = nl80211_get_key,
14756 .flags = GENL_UNS_ADMIN_PERM,
14757 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14758 NL80211_FLAG_NEED_RTNL,
14761 .cmd = NL80211_CMD_SET_KEY,
14762 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14763 .doit = nl80211_set_key,
14764 .flags = GENL_UNS_ADMIN_PERM,
14765 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14766 NL80211_FLAG_NEED_RTNL |
14767 NL80211_FLAG_CLEAR_SKB,
14770 .cmd = NL80211_CMD_NEW_KEY,
14771 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14772 .doit = nl80211_new_key,
14773 .flags = GENL_UNS_ADMIN_PERM,
14774 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14775 NL80211_FLAG_NEED_RTNL |
14776 NL80211_FLAG_CLEAR_SKB,
14779 .cmd = NL80211_CMD_DEL_KEY,
14780 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14781 .doit = nl80211_del_key,
14782 .flags = GENL_UNS_ADMIN_PERM,
14783 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14784 NL80211_FLAG_NEED_RTNL,
14787 .cmd = NL80211_CMD_SET_BEACON,
14788 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14789 .flags = GENL_UNS_ADMIN_PERM,
14790 .doit = nl80211_set_beacon,
14791 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14792 NL80211_FLAG_NEED_RTNL,
14795 .cmd = NL80211_CMD_START_AP,
14796 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14797 .flags = GENL_UNS_ADMIN_PERM,
14798 .doit = nl80211_start_ap,
14799 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14800 NL80211_FLAG_NEED_RTNL,
14803 .cmd = NL80211_CMD_STOP_AP,
14804 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14805 .flags = GENL_UNS_ADMIN_PERM,
14806 .doit = nl80211_stop_ap,
14807 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14808 NL80211_FLAG_NEED_RTNL,
14811 .cmd = NL80211_CMD_GET_STATION,
14812 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14813 .doit = nl80211_get_station,
14814 .dumpit = nl80211_dump_station,
14815 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14816 NL80211_FLAG_NEED_RTNL,
14819 .cmd = NL80211_CMD_SET_STATION,
14820 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14821 .doit = nl80211_set_station,
14822 .flags = GENL_UNS_ADMIN_PERM,
14823 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14824 NL80211_FLAG_NEED_RTNL,
14827 .cmd = NL80211_CMD_NEW_STATION,
14828 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14829 .doit = nl80211_new_station,
14830 .flags = GENL_UNS_ADMIN_PERM,
14831 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14832 NL80211_FLAG_NEED_RTNL,
14835 .cmd = NL80211_CMD_DEL_STATION,
14836 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14837 .doit = nl80211_del_station,
14838 .flags = GENL_UNS_ADMIN_PERM,
14839 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14840 NL80211_FLAG_NEED_RTNL,
14843 .cmd = NL80211_CMD_GET_MPATH,
14844 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14845 .doit = nl80211_get_mpath,
14846 .dumpit = nl80211_dump_mpath,
14847 .flags = GENL_UNS_ADMIN_PERM,
14848 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14849 NL80211_FLAG_NEED_RTNL,
14852 .cmd = NL80211_CMD_GET_MPP,
14853 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14854 .doit = nl80211_get_mpp,
14855 .dumpit = nl80211_dump_mpp,
14856 .flags = GENL_UNS_ADMIN_PERM,
14857 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14858 NL80211_FLAG_NEED_RTNL,
14861 .cmd = NL80211_CMD_SET_MPATH,
14862 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14863 .doit = nl80211_set_mpath,
14864 .flags = GENL_UNS_ADMIN_PERM,
14865 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14866 NL80211_FLAG_NEED_RTNL,
14869 .cmd = NL80211_CMD_NEW_MPATH,
14870 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14871 .doit = nl80211_new_mpath,
14872 .flags = GENL_UNS_ADMIN_PERM,
14873 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14874 NL80211_FLAG_NEED_RTNL,
14877 .cmd = NL80211_CMD_DEL_MPATH,
14878 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14879 .doit = nl80211_del_mpath,
14880 .flags = GENL_UNS_ADMIN_PERM,
14881 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14882 NL80211_FLAG_NEED_RTNL,
14885 .cmd = NL80211_CMD_SET_BSS,
14886 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14887 .doit = nl80211_set_bss,
14888 .flags = GENL_UNS_ADMIN_PERM,
14889 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14890 NL80211_FLAG_NEED_RTNL,
14893 .cmd = NL80211_CMD_GET_REG,
14894 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14895 .doit = nl80211_get_reg_do,
14896 .dumpit = nl80211_get_reg_dump,
14897 .internal_flags = NL80211_FLAG_NEED_RTNL,
14898 /* can be retrieved by unprivileged users */
14900 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
14902 .cmd = NL80211_CMD_SET_REG,
14903 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14904 .doit = nl80211_set_reg,
14905 .flags = GENL_ADMIN_PERM,
14906 .internal_flags = NL80211_FLAG_NEED_RTNL,
14910 .cmd = NL80211_CMD_REQ_SET_REG,
14911 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14912 .doit = nl80211_req_set_reg,
14913 .flags = GENL_ADMIN_PERM,
14916 .cmd = NL80211_CMD_RELOAD_REGDB,
14917 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14918 .doit = nl80211_reload_regdb,
14919 .flags = GENL_ADMIN_PERM,
14922 .cmd = NL80211_CMD_GET_MESH_CONFIG,
14923 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14924 .doit = nl80211_get_mesh_config,
14925 /* can be retrieved by unprivileged users */
14926 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14927 NL80211_FLAG_NEED_RTNL,
14930 .cmd = NL80211_CMD_SET_MESH_CONFIG,
14931 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14932 .doit = nl80211_update_mesh_config,
14933 .flags = GENL_UNS_ADMIN_PERM,
14934 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14935 NL80211_FLAG_NEED_RTNL,
14938 .cmd = NL80211_CMD_TRIGGER_SCAN,
14939 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14940 .doit = nl80211_trigger_scan,
14941 .flags = GENL_UNS_ADMIN_PERM,
14942 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14943 NL80211_FLAG_NEED_RTNL,
14946 .cmd = NL80211_CMD_ABORT_SCAN,
14947 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14948 .doit = nl80211_abort_scan,
14949 .flags = GENL_UNS_ADMIN_PERM,
14950 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14951 NL80211_FLAG_NEED_RTNL,
14954 .cmd = NL80211_CMD_GET_SCAN,
14955 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14956 .dumpit = nl80211_dump_scan,
14959 .cmd = NL80211_CMD_START_SCHED_SCAN,
14960 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14961 .doit = nl80211_start_sched_scan,
14962 .flags = GENL_UNS_ADMIN_PERM,
14963 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14964 NL80211_FLAG_NEED_RTNL,
14967 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
14968 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14969 .doit = nl80211_stop_sched_scan,
14970 .flags = GENL_UNS_ADMIN_PERM,
14971 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14972 NL80211_FLAG_NEED_RTNL,
14975 .cmd = NL80211_CMD_AUTHENTICATE,
14976 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14977 .doit = nl80211_authenticate,
14978 .flags = GENL_UNS_ADMIN_PERM,
14979 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14980 NL80211_FLAG_NEED_RTNL |
14981 NL80211_FLAG_CLEAR_SKB,
14984 .cmd = NL80211_CMD_ASSOCIATE,
14985 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14986 .doit = nl80211_associate,
14987 .flags = GENL_UNS_ADMIN_PERM,
14988 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14989 NL80211_FLAG_NEED_RTNL |
14990 NL80211_FLAG_CLEAR_SKB,
14993 .cmd = NL80211_CMD_DEAUTHENTICATE,
14994 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14995 .doit = nl80211_deauthenticate,
14996 .flags = GENL_UNS_ADMIN_PERM,
14997 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14998 NL80211_FLAG_NEED_RTNL,
15001 .cmd = NL80211_CMD_DISASSOCIATE,
15002 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15003 .doit = nl80211_disassociate,
15004 .flags = GENL_UNS_ADMIN_PERM,
15005 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15006 NL80211_FLAG_NEED_RTNL,
15009 .cmd = NL80211_CMD_JOIN_IBSS,
15010 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15011 .doit = nl80211_join_ibss,
15012 .flags = GENL_UNS_ADMIN_PERM,
15013 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15014 NL80211_FLAG_NEED_RTNL,
15017 .cmd = NL80211_CMD_LEAVE_IBSS,
15018 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15019 .doit = nl80211_leave_ibss,
15020 .flags = GENL_UNS_ADMIN_PERM,
15021 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15022 NL80211_FLAG_NEED_RTNL,
15024 #ifdef CONFIG_NL80211_TESTMODE
15026 .cmd = NL80211_CMD_TESTMODE,
15027 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15028 .doit = nl80211_testmode_do,
15029 .dumpit = nl80211_testmode_dump,
15030 .flags = GENL_UNS_ADMIN_PERM,
15031 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15032 NL80211_FLAG_NEED_RTNL,
15036 .cmd = NL80211_CMD_CONNECT,
15037 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15038 .doit = nl80211_connect,
15039 .flags = GENL_UNS_ADMIN_PERM,
15040 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15041 NL80211_FLAG_NEED_RTNL |
15042 NL80211_FLAG_CLEAR_SKB,
15045 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
15046 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15047 .doit = nl80211_update_connect_params,
15048 .flags = GENL_ADMIN_PERM,
15049 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15050 NL80211_FLAG_NEED_RTNL |
15051 NL80211_FLAG_CLEAR_SKB,
15054 .cmd = NL80211_CMD_DISCONNECT,
15055 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15056 .doit = nl80211_disconnect,
15057 .flags = GENL_UNS_ADMIN_PERM,
15058 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15059 NL80211_FLAG_NEED_RTNL,
15062 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
15063 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15064 .doit = nl80211_wiphy_netns,
15065 .flags = GENL_UNS_ADMIN_PERM,
15066 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15067 NL80211_FLAG_NEED_RTNL,
15070 .cmd = NL80211_CMD_GET_SURVEY,
15071 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15072 .dumpit = nl80211_dump_survey,
15075 .cmd = NL80211_CMD_SET_PMKSA,
15076 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15077 .doit = nl80211_setdel_pmksa,
15078 .flags = GENL_UNS_ADMIN_PERM,
15079 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15080 NL80211_FLAG_NEED_RTNL |
15081 NL80211_FLAG_CLEAR_SKB,
15084 .cmd = NL80211_CMD_DEL_PMKSA,
15085 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15086 .doit = nl80211_setdel_pmksa,
15087 .flags = GENL_UNS_ADMIN_PERM,
15088 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15089 NL80211_FLAG_NEED_RTNL,
15092 .cmd = NL80211_CMD_FLUSH_PMKSA,
15093 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15094 .doit = nl80211_flush_pmksa,
15095 .flags = GENL_UNS_ADMIN_PERM,
15096 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15097 NL80211_FLAG_NEED_RTNL,
15100 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
15101 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15102 .doit = nl80211_remain_on_channel,
15103 .flags = GENL_UNS_ADMIN_PERM,
15104 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15105 NL80211_FLAG_NEED_RTNL,
15108 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15109 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15110 .doit = nl80211_cancel_remain_on_channel,
15111 .flags = GENL_UNS_ADMIN_PERM,
15112 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15113 NL80211_FLAG_NEED_RTNL,
15116 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
15117 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15118 .doit = nl80211_set_tx_bitrate_mask,
15119 .flags = GENL_UNS_ADMIN_PERM,
15120 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15121 NL80211_FLAG_NEED_RTNL,
15124 .cmd = NL80211_CMD_REGISTER_FRAME,
15125 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15126 .doit = nl80211_register_mgmt,
15127 .flags = GENL_UNS_ADMIN_PERM,
15128 .internal_flags = NL80211_FLAG_NEED_WDEV |
15129 NL80211_FLAG_NEED_RTNL,
15132 .cmd = NL80211_CMD_FRAME,
15133 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15134 .doit = nl80211_tx_mgmt,
15135 .flags = GENL_UNS_ADMIN_PERM,
15136 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15137 NL80211_FLAG_NEED_RTNL,
15140 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
15141 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15142 .doit = nl80211_tx_mgmt_cancel_wait,
15143 .flags = GENL_UNS_ADMIN_PERM,
15144 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15145 NL80211_FLAG_NEED_RTNL,
15148 .cmd = NL80211_CMD_SET_POWER_SAVE,
15149 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15150 .doit = nl80211_set_power_save,
15151 .flags = GENL_UNS_ADMIN_PERM,
15152 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15153 NL80211_FLAG_NEED_RTNL,
15156 .cmd = NL80211_CMD_GET_POWER_SAVE,
15157 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15158 .doit = nl80211_get_power_save,
15159 /* can be retrieved by unprivileged users */
15160 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15161 NL80211_FLAG_NEED_RTNL,
15164 .cmd = NL80211_CMD_SET_CQM,
15165 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15166 .doit = nl80211_set_cqm,
15167 .flags = GENL_UNS_ADMIN_PERM,
15168 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15169 NL80211_FLAG_NEED_RTNL,
15172 .cmd = NL80211_CMD_SET_CHANNEL,
15173 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15174 .doit = nl80211_set_channel,
15175 .flags = GENL_UNS_ADMIN_PERM,
15176 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15177 NL80211_FLAG_NEED_RTNL,
15180 .cmd = NL80211_CMD_SET_WDS_PEER,
15181 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15182 .doit = nl80211_set_wds_peer,
15183 .flags = GENL_UNS_ADMIN_PERM,
15184 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15185 NL80211_FLAG_NEED_RTNL,
15188 .cmd = NL80211_CMD_JOIN_MESH,
15189 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15190 .doit = nl80211_join_mesh,
15191 .flags = GENL_UNS_ADMIN_PERM,
15192 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15193 NL80211_FLAG_NEED_RTNL,
15196 .cmd = NL80211_CMD_LEAVE_MESH,
15197 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15198 .doit = nl80211_leave_mesh,
15199 .flags = GENL_UNS_ADMIN_PERM,
15200 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15201 NL80211_FLAG_NEED_RTNL,
15204 .cmd = NL80211_CMD_JOIN_OCB,
15205 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15206 .doit = nl80211_join_ocb,
15207 .flags = GENL_UNS_ADMIN_PERM,
15208 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15209 NL80211_FLAG_NEED_RTNL,
15212 .cmd = NL80211_CMD_LEAVE_OCB,
15213 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15214 .doit = nl80211_leave_ocb,
15215 .flags = GENL_UNS_ADMIN_PERM,
15216 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15217 NL80211_FLAG_NEED_RTNL,
15221 .cmd = NL80211_CMD_GET_WOWLAN,
15222 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15223 .doit = nl80211_get_wowlan,
15224 /* can be retrieved by unprivileged users */
15225 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15226 NL80211_FLAG_NEED_RTNL,
15229 .cmd = NL80211_CMD_SET_WOWLAN,
15230 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15231 .doit = nl80211_set_wowlan,
15232 .flags = GENL_UNS_ADMIN_PERM,
15233 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15234 NL80211_FLAG_NEED_RTNL,
15238 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
15239 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15240 .doit = nl80211_set_rekey_data,
15241 .flags = GENL_UNS_ADMIN_PERM,
15242 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15243 NL80211_FLAG_NEED_RTNL |
15244 NL80211_FLAG_CLEAR_SKB,
15247 .cmd = NL80211_CMD_TDLS_MGMT,
15248 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15249 .doit = nl80211_tdls_mgmt,
15250 .flags = GENL_UNS_ADMIN_PERM,
15251 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15252 NL80211_FLAG_NEED_RTNL,
15255 .cmd = NL80211_CMD_TDLS_OPER,
15256 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15257 .doit = nl80211_tdls_oper,
15258 .flags = GENL_UNS_ADMIN_PERM,
15259 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15260 NL80211_FLAG_NEED_RTNL,
15263 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
15264 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15265 .doit = nl80211_register_unexpected_frame,
15266 .flags = GENL_UNS_ADMIN_PERM,
15267 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15268 NL80211_FLAG_NEED_RTNL,
15271 .cmd = NL80211_CMD_PROBE_CLIENT,
15272 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15273 .doit = nl80211_probe_client,
15274 .flags = GENL_UNS_ADMIN_PERM,
15275 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15276 NL80211_FLAG_NEED_RTNL,
15279 .cmd = NL80211_CMD_REGISTER_BEACONS,
15280 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15281 .doit = nl80211_register_beacons,
15282 .flags = GENL_UNS_ADMIN_PERM,
15283 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15284 NL80211_FLAG_NEED_RTNL,
15287 .cmd = NL80211_CMD_SET_NOACK_MAP,
15288 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15289 .doit = nl80211_set_noack_map,
15290 .flags = GENL_UNS_ADMIN_PERM,
15291 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15292 NL80211_FLAG_NEED_RTNL,
15295 .cmd = NL80211_CMD_START_P2P_DEVICE,
15296 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15297 .doit = nl80211_start_p2p_device,
15298 .flags = GENL_UNS_ADMIN_PERM,
15299 .internal_flags = NL80211_FLAG_NEED_WDEV |
15300 NL80211_FLAG_NEED_RTNL,
15303 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
15304 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15305 .doit = nl80211_stop_p2p_device,
15306 .flags = GENL_UNS_ADMIN_PERM,
15307 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15308 NL80211_FLAG_NEED_RTNL,
15311 .cmd = NL80211_CMD_START_NAN,
15312 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15313 .doit = nl80211_start_nan,
15314 .flags = GENL_ADMIN_PERM,
15315 .internal_flags = NL80211_FLAG_NEED_WDEV |
15316 NL80211_FLAG_NEED_RTNL,
15319 .cmd = NL80211_CMD_STOP_NAN,
15320 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15321 .doit = nl80211_stop_nan,
15322 .flags = GENL_ADMIN_PERM,
15323 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15324 NL80211_FLAG_NEED_RTNL,
15327 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
15328 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15329 .doit = nl80211_nan_add_func,
15330 .flags = GENL_ADMIN_PERM,
15331 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15332 NL80211_FLAG_NEED_RTNL,
15335 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
15336 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15337 .doit = nl80211_nan_del_func,
15338 .flags = GENL_ADMIN_PERM,
15339 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15340 NL80211_FLAG_NEED_RTNL,
15343 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
15344 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15345 .doit = nl80211_nan_change_config,
15346 .flags = GENL_ADMIN_PERM,
15347 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15348 NL80211_FLAG_NEED_RTNL,
15351 .cmd = NL80211_CMD_SET_MCAST_RATE,
15352 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15353 .doit = nl80211_set_mcast_rate,
15354 .flags = GENL_UNS_ADMIN_PERM,
15355 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15356 NL80211_FLAG_NEED_RTNL,
15359 .cmd = NL80211_CMD_SET_MAC_ACL,
15360 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15361 .doit = nl80211_set_mac_acl,
15362 .flags = GENL_UNS_ADMIN_PERM,
15363 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15364 NL80211_FLAG_NEED_RTNL,
15367 .cmd = NL80211_CMD_RADAR_DETECT,
15368 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15369 .doit = nl80211_start_radar_detection,
15370 .flags = GENL_UNS_ADMIN_PERM,
15371 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15372 NL80211_FLAG_NEED_RTNL,
15375 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
15376 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15377 .doit = nl80211_get_protocol_features,
15380 .cmd = NL80211_CMD_UPDATE_FT_IES,
15381 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15382 .doit = nl80211_update_ft_ies,
15383 .flags = GENL_UNS_ADMIN_PERM,
15384 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15385 NL80211_FLAG_NEED_RTNL,
15388 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
15389 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15390 .doit = nl80211_crit_protocol_start,
15391 .flags = GENL_UNS_ADMIN_PERM,
15392 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15393 NL80211_FLAG_NEED_RTNL,
15396 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
15397 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15398 .doit = nl80211_crit_protocol_stop,
15399 .flags = GENL_UNS_ADMIN_PERM,
15400 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15401 NL80211_FLAG_NEED_RTNL,
15404 .cmd = NL80211_CMD_GET_COALESCE,
15405 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15406 .doit = nl80211_get_coalesce,
15407 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15408 NL80211_FLAG_NEED_RTNL,
15411 .cmd = NL80211_CMD_SET_COALESCE,
15412 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15413 .doit = nl80211_set_coalesce,
15414 .flags = GENL_UNS_ADMIN_PERM,
15415 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15416 NL80211_FLAG_NEED_RTNL,
15419 .cmd = NL80211_CMD_CHANNEL_SWITCH,
15420 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15421 .doit = nl80211_channel_switch,
15422 .flags = GENL_UNS_ADMIN_PERM,
15423 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15424 NL80211_FLAG_NEED_RTNL,
15427 .cmd = NL80211_CMD_VENDOR,
15428 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15429 .doit = nl80211_vendor_cmd,
15430 .dumpit = nl80211_vendor_cmd_dump,
15431 .flags = GENL_UNS_ADMIN_PERM,
15432 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15433 NL80211_FLAG_NEED_RTNL |
15434 NL80211_FLAG_CLEAR_SKB,
15437 .cmd = NL80211_CMD_SET_QOS_MAP,
15438 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15439 .doit = nl80211_set_qos_map,
15440 .flags = GENL_UNS_ADMIN_PERM,
15441 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15442 NL80211_FLAG_NEED_RTNL,
15445 .cmd = NL80211_CMD_ADD_TX_TS,
15446 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15447 .doit = nl80211_add_tx_ts,
15448 .flags = GENL_UNS_ADMIN_PERM,
15449 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15450 NL80211_FLAG_NEED_RTNL,
15453 .cmd = NL80211_CMD_DEL_TX_TS,
15454 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15455 .doit = nl80211_del_tx_ts,
15456 .flags = GENL_UNS_ADMIN_PERM,
15457 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15458 NL80211_FLAG_NEED_RTNL,
15461 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
15462 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15463 .doit = nl80211_tdls_channel_switch,
15464 .flags = GENL_UNS_ADMIN_PERM,
15465 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15466 NL80211_FLAG_NEED_RTNL,
15469 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
15470 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15471 .doit = nl80211_tdls_cancel_channel_switch,
15472 .flags = GENL_UNS_ADMIN_PERM,
15473 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15474 NL80211_FLAG_NEED_RTNL,
15477 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
15478 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15479 .doit = nl80211_set_multicast_to_unicast,
15480 .flags = GENL_UNS_ADMIN_PERM,
15481 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15482 NL80211_FLAG_NEED_RTNL,
15485 .cmd = NL80211_CMD_SET_PMK,
15486 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15487 .doit = nl80211_set_pmk,
15488 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15489 NL80211_FLAG_NEED_RTNL |
15490 NL80211_FLAG_CLEAR_SKB,
15493 .cmd = NL80211_CMD_DEL_PMK,
15494 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15495 .doit = nl80211_del_pmk,
15496 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15497 NL80211_FLAG_NEED_RTNL,
15500 .cmd = NL80211_CMD_EXTERNAL_AUTH,
15501 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15502 .doit = nl80211_external_auth,
15503 .flags = GENL_ADMIN_PERM,
15504 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15505 NL80211_FLAG_NEED_RTNL,
15508 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
15509 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15510 .doit = nl80211_tx_control_port,
15511 .flags = GENL_UNS_ADMIN_PERM,
15512 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15513 NL80211_FLAG_NEED_RTNL,
15516 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
15517 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15518 .doit = nl80211_get_ftm_responder_stats,
15519 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15520 NL80211_FLAG_NEED_RTNL,
15523 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
15524 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15525 .doit = nl80211_pmsr_start,
15526 .flags = GENL_UNS_ADMIN_PERM,
15527 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15528 NL80211_FLAG_NEED_RTNL,
15531 .cmd = NL80211_CMD_NOTIFY_RADAR,
15532 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15533 .doit = nl80211_notify_radar_detection,
15534 .flags = GENL_UNS_ADMIN_PERM,
15535 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15536 NL80211_FLAG_NEED_RTNL,
15539 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
15540 .doit = nl80211_update_owe_info,
15541 .flags = GENL_ADMIN_PERM,
15542 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15543 NL80211_FLAG_NEED_RTNL,
15546 .cmd = NL80211_CMD_PROBE_MESH_LINK,
15547 .doit = nl80211_probe_mesh_link,
15548 .flags = GENL_UNS_ADMIN_PERM,
15549 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15550 NL80211_FLAG_NEED_RTNL,
15553 .cmd = NL80211_CMD_SET_TID_CONFIG,
15554 .doit = nl80211_set_tid_config,
15555 .flags = GENL_UNS_ADMIN_PERM,
15556 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15557 NL80211_FLAG_NEED_RTNL,
15561 static struct genl_family nl80211_fam __ro_after_init = {
15562 .name = NL80211_GENL_NAME, /* have users key off the name instead */
15563 .hdrsize = 0, /* no private header */
15564 .version = 1, /* no particular meaning now */
15565 .maxattr = NL80211_ATTR_MAX,
15566 .policy = nl80211_policy,
15568 .pre_doit = nl80211_pre_doit,
15569 .post_doit = nl80211_post_doit,
15570 .module = THIS_MODULE,
15571 .ops = nl80211_ops,
15572 .n_ops = ARRAY_SIZE(nl80211_ops),
15573 .small_ops = nl80211_small_ops,
15574 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
15575 .mcgrps = nl80211_mcgrps,
15576 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
15577 .parallel_ops = true,
15580 /* notification functions */
15582 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
15583 enum nl80211_commands cmd)
15585 struct sk_buff *msg;
15586 struct nl80211_dump_wiphy_state state = {};
15588 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
15589 cmd != NL80211_CMD_DEL_WIPHY);
15591 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15595 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
15600 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15601 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15604 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
15605 struct wireless_dev *wdev,
15606 enum nl80211_commands cmd)
15608 struct sk_buff *msg;
15610 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15614 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
15619 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15620 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15623 static int nl80211_add_scan_req(struct sk_buff *msg,
15624 struct cfg80211_registered_device *rdev)
15626 struct cfg80211_scan_request *req = rdev->scan_req;
15627 struct nlattr *nest;
15629 struct cfg80211_scan_info *info;
15634 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
15636 goto nla_put_failure;
15637 for (i = 0; i < req->n_ssids; i++) {
15638 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
15639 goto nla_put_failure;
15641 nla_nest_end(msg, nest);
15643 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
15644 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
15646 goto nla_put_failure;
15647 for (i = 0; i < req->n_channels; i++) {
15648 if (nla_put_u32(msg, i,
15649 ieee80211_channel_to_khz(req->channels[i])))
15650 goto nla_put_failure;
15652 nla_nest_end(msg, nest);
15654 nest = nla_nest_start_noflag(msg,
15655 NL80211_ATTR_SCAN_FREQUENCIES);
15657 goto nla_put_failure;
15658 for (i = 0; i < req->n_channels; i++) {
15659 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
15660 goto nla_put_failure;
15662 nla_nest_end(msg, nest);
15666 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
15667 goto nla_put_failure;
15670 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
15671 goto nla_put_failure;
15673 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
15674 &rdev->scan_req->info;
15675 if (info->scan_start_tsf &&
15676 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
15677 info->scan_start_tsf, NL80211_BSS_PAD) ||
15678 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
15680 goto nla_put_failure;
15687 static int nl80211_prep_scan_msg(struct sk_buff *msg,
15688 struct cfg80211_registered_device *rdev,
15689 struct wireless_dev *wdev,
15690 u32 portid, u32 seq, int flags,
15695 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
15699 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15700 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15701 wdev->netdev->ifindex)) ||
15702 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15704 goto nla_put_failure;
15706 /* ignore errors and send incomplete event anyway */
15707 nl80211_add_scan_req(msg, rdev);
15709 genlmsg_end(msg, hdr);
15713 genlmsg_cancel(msg, hdr);
15718 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
15719 struct cfg80211_sched_scan_request *req, u32 cmd)
15723 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15727 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
15728 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
15729 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
15730 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
15732 goto nla_put_failure;
15734 genlmsg_end(msg, hdr);
15738 genlmsg_cancel(msg, hdr);
15742 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
15743 struct wireless_dev *wdev)
15745 struct sk_buff *msg;
15747 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15751 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
15752 NL80211_CMD_TRIGGER_SCAN) < 0) {
15757 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15758 NL80211_MCGRP_SCAN, GFP_KERNEL);
15761 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
15762 struct wireless_dev *wdev, bool aborted)
15764 struct sk_buff *msg;
15766 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15770 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
15771 aborted ? NL80211_CMD_SCAN_ABORTED :
15772 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
15780 /* send message created by nl80211_build_scan_msg() */
15781 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
15782 struct sk_buff *msg)
15787 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15788 NL80211_MCGRP_SCAN, GFP_KERNEL);
15791 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
15793 struct sk_buff *msg;
15795 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15799 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
15804 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
15805 NL80211_MCGRP_SCAN, GFP_KERNEL);
15808 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
15809 struct regulatory_request *request)
15811 /* Userspace can always count this one always being set */
15812 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
15813 goto nla_put_failure;
15815 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
15816 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15817 NL80211_REGDOM_TYPE_WORLD))
15818 goto nla_put_failure;
15819 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
15820 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15821 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
15822 goto nla_put_failure;
15823 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
15824 request->intersect) {
15825 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15826 NL80211_REGDOM_TYPE_INTERSECTION))
15827 goto nla_put_failure;
15829 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15830 NL80211_REGDOM_TYPE_COUNTRY) ||
15831 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
15833 goto nla_put_failure;
15836 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
15837 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
15840 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
15841 goto nla_put_failure;
15844 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
15845 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
15846 goto nla_put_failure;
15856 * This can happen on global regulatory changes or device specific settings
15857 * based on custom regulatory domains.
15859 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
15860 struct regulatory_request *request)
15862 struct sk_buff *msg;
15865 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15869 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
15871 goto nla_put_failure;
15873 if (!nl80211_reg_change_event_fill(msg, request))
15874 goto nla_put_failure;
15876 genlmsg_end(msg, hdr);
15879 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15880 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15889 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
15890 struct net_device *netdev,
15891 const u8 *buf, size_t len,
15892 enum nl80211_commands cmd, gfp_t gfp,
15893 int uapsd_queues, const u8 *req_ies,
15894 size_t req_ies_len)
15896 struct sk_buff *msg;
15899 msg = nlmsg_new(100 + len + req_ies_len, gfp);
15903 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15909 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15910 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15911 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15913 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
15914 goto nla_put_failure;
15916 if (uapsd_queues >= 0) {
15917 struct nlattr *nla_wmm =
15918 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
15920 goto nla_put_failure;
15922 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
15924 goto nla_put_failure;
15926 nla_nest_end(msg, nla_wmm);
15929 genlmsg_end(msg, hdr);
15931 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15932 NL80211_MCGRP_MLME, gfp);
15939 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
15940 struct net_device *netdev, const u8 *buf,
15941 size_t len, gfp_t gfp)
15943 nl80211_send_mlme_event(rdev, netdev, buf, len,
15944 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
15947 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
15948 struct net_device *netdev, const u8 *buf,
15949 size_t len, gfp_t gfp, int uapsd_queues,
15950 const u8 *req_ies, size_t req_ies_len)
15952 nl80211_send_mlme_event(rdev, netdev, buf, len,
15953 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
15954 req_ies, req_ies_len);
15957 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
15958 struct net_device *netdev, const u8 *buf,
15959 size_t len, gfp_t gfp)
15961 nl80211_send_mlme_event(rdev, netdev, buf, len,
15962 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
15965 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
15966 struct net_device *netdev, const u8 *buf,
15967 size_t len, gfp_t gfp)
15969 nl80211_send_mlme_event(rdev, netdev, buf, len,
15970 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
15973 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
15976 struct wireless_dev *wdev = dev->ieee80211_ptr;
15977 struct wiphy *wiphy = wdev->wiphy;
15978 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15979 const struct ieee80211_mgmt *mgmt = (void *)buf;
15982 if (WARN_ON(len < 2))
15985 if (ieee80211_is_deauth(mgmt->frame_control)) {
15986 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
15987 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
15988 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
15989 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
15990 if (wdev->unprot_beacon_reported &&
15991 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
15993 cmd = NL80211_CMD_UNPROT_BEACON;
15994 wdev->unprot_beacon_reported = jiffies;
15999 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
16000 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
16003 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
16005 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
16006 struct net_device *netdev, int cmd,
16007 const u8 *addr, gfp_t gfp)
16009 struct sk_buff *msg;
16012 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16016 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16022 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16023 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16024 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16025 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16026 goto nla_put_failure;
16028 genlmsg_end(msg, hdr);
16030 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16031 NL80211_MCGRP_MLME, gfp);
16038 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
16039 struct net_device *netdev, const u8 *addr,
16042 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
16046 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
16047 struct net_device *netdev, const u8 *addr,
16050 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
16054 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
16055 struct net_device *netdev,
16056 struct cfg80211_connect_resp_params *cr,
16059 struct sk_buff *msg;
16062 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
16063 cr->fils.kek_len + cr->fils.pmk_len +
16064 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16068 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
16074 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16075 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16077 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
16078 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
16079 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
16082 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16083 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
16084 cr->timeout_reason))) ||
16086 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
16088 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
16090 (cr->fils.update_erp_next_seq_num &&
16091 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16092 cr->fils.erp_next_seq_num)) ||
16093 (cr->status == WLAN_STATUS_SUCCESS &&
16095 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
16098 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
16100 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
16101 goto nla_put_failure;
16103 genlmsg_end(msg, hdr);
16105 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16106 NL80211_MCGRP_MLME, gfp);
16113 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
16114 struct net_device *netdev,
16115 struct cfg80211_roam_info *info, gfp_t gfp)
16117 struct sk_buff *msg;
16119 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
16121 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
16122 info->fils.kek_len + info->fils.pmk_len +
16123 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16127 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
16133 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16134 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16135 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
16137 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
16140 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
16142 (info->fils.update_erp_next_seq_num &&
16143 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16144 info->fils.erp_next_seq_num)) ||
16146 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
16147 info->fils.kek)) ||
16149 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
16150 (info->fils.pmkid &&
16151 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
16152 goto nla_put_failure;
16154 genlmsg_end(msg, hdr);
16156 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16157 NL80211_MCGRP_MLME, gfp);
16164 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
16165 struct net_device *netdev, const u8 *bssid)
16167 struct sk_buff *msg;
16170 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16174 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
16180 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16181 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16182 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16183 goto nla_put_failure;
16185 genlmsg_end(msg, hdr);
16187 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16188 NL80211_MCGRP_MLME, GFP_KERNEL);
16195 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
16196 struct net_device *netdev, u16 reason,
16197 const u8 *ie, size_t ie_len, bool from_ap)
16199 struct sk_buff *msg;
16202 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
16206 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
16212 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16213 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16215 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
16217 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
16218 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
16219 goto nla_put_failure;
16221 genlmsg_end(msg, hdr);
16223 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16224 NL80211_MCGRP_MLME, GFP_KERNEL);
16231 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
16232 struct net_device *netdev, const u8 *bssid,
16235 struct sk_buff *msg;
16238 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16242 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
16248 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16249 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16250 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16251 goto nla_put_failure;
16253 genlmsg_end(msg, hdr);
16255 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16256 NL80211_MCGRP_MLME, gfp);
16263 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
16264 const u8 *ie, u8 ie_len,
16265 int sig_dbm, gfp_t gfp)
16267 struct wireless_dev *wdev = dev->ieee80211_ptr;
16268 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16269 struct sk_buff *msg;
16272 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
16275 trace_cfg80211_notify_new_peer_candidate(dev, addr);
16277 msg = nlmsg_new(100 + ie_len, gfp);
16281 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
16287 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16288 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16289 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16291 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
16293 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
16294 goto nla_put_failure;
16296 genlmsg_end(msg, hdr);
16298 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16299 NL80211_MCGRP_MLME, gfp);
16305 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
16307 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
16308 struct net_device *netdev, const u8 *addr,
16309 enum nl80211_key_type key_type, int key_id,
16310 const u8 *tsc, gfp_t gfp)
16312 struct sk_buff *msg;
16315 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16319 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
16325 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16326 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16327 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
16328 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
16330 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
16331 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
16332 goto nla_put_failure;
16334 genlmsg_end(msg, hdr);
16336 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16337 NL80211_MCGRP_MLME, gfp);
16344 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
16345 struct ieee80211_channel *channel_before,
16346 struct ieee80211_channel *channel_after)
16348 struct sk_buff *msg;
16350 struct nlattr *nl_freq;
16352 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
16356 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
16363 * Since we are applying the beacon hint to a wiphy we know its
16364 * wiphy_idx is valid
16366 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
16367 goto nla_put_failure;
16370 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
16372 goto nla_put_failure;
16374 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
16375 goto nla_put_failure;
16376 nla_nest_end(msg, nl_freq);
16379 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
16381 goto nla_put_failure;
16383 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
16384 goto nla_put_failure;
16385 nla_nest_end(msg, nl_freq);
16387 genlmsg_end(msg, hdr);
16390 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16391 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16400 static void nl80211_send_remain_on_chan_event(
16401 int cmd, struct cfg80211_registered_device *rdev,
16402 struct wireless_dev *wdev, u64 cookie,
16403 struct ieee80211_channel *chan,
16404 unsigned int duration, gfp_t gfp)
16406 struct sk_buff *msg;
16409 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16413 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16419 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16420 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16421 wdev->netdev->ifindex)) ||
16422 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16423 NL80211_ATTR_PAD) ||
16424 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
16425 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
16426 NL80211_CHAN_NO_HT) ||
16427 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16429 goto nla_put_failure;
16431 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
16432 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
16433 goto nla_put_failure;
16435 genlmsg_end(msg, hdr);
16437 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16438 NL80211_MCGRP_MLME, gfp);
16445 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
16446 struct ieee80211_channel *chan,
16447 unsigned int duration, gfp_t gfp)
16449 struct wiphy *wiphy = wdev->wiphy;
16450 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16452 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
16453 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
16454 rdev, wdev, cookie, chan,
16457 EXPORT_SYMBOL(cfg80211_ready_on_channel);
16459 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
16460 struct ieee80211_channel *chan,
16463 struct wiphy *wiphy = wdev->wiphy;
16464 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16466 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
16467 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
16468 rdev, wdev, cookie, chan, 0, gfp);
16470 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
16472 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
16473 struct ieee80211_channel *chan,
16476 struct wiphy *wiphy = wdev->wiphy;
16477 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16479 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
16480 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
16481 rdev, wdev, cookie, chan, 0, gfp);
16483 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
16485 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
16486 struct station_info *sinfo, gfp_t gfp)
16488 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16489 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16490 struct sk_buff *msg;
16492 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
16494 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16498 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
16499 rdev, dev, mac_addr, sinfo) < 0) {
16504 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16505 NL80211_MCGRP_MLME, gfp);
16507 EXPORT_SYMBOL(cfg80211_new_sta);
16509 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
16510 struct station_info *sinfo, gfp_t gfp)
16512 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16513 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16514 struct sk_buff *msg;
16515 struct station_info empty_sinfo = {};
16518 sinfo = &empty_sinfo;
16520 trace_cfg80211_del_sta(dev, mac_addr);
16522 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16524 cfg80211_sinfo_release_content(sinfo);
16528 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
16529 rdev, dev, mac_addr, sinfo) < 0) {
16534 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16535 NL80211_MCGRP_MLME, gfp);
16537 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
16539 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
16540 enum nl80211_connect_failed_reason reason,
16543 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16544 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16545 struct sk_buff *msg;
16548 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
16552 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
16558 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16559 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
16560 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
16561 goto nla_put_failure;
16563 genlmsg_end(msg, hdr);
16565 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16566 NL80211_MCGRP_MLME, gfp);
16572 EXPORT_SYMBOL(cfg80211_conn_failed);
16574 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
16575 const u8 *addr, gfp_t gfp)
16577 struct wireless_dev *wdev = dev->ieee80211_ptr;
16578 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16579 struct sk_buff *msg;
16581 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
16586 msg = nlmsg_new(100, gfp);
16590 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16596 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16597 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16598 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16599 goto nla_put_failure;
16601 genlmsg_end(msg, hdr);
16602 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16610 bool cfg80211_rx_spurious_frame(struct net_device *dev,
16611 const u8 *addr, gfp_t gfp)
16613 struct wireless_dev *wdev = dev->ieee80211_ptr;
16616 trace_cfg80211_rx_spurious_frame(dev, addr);
16618 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16619 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
16620 trace_cfg80211_return_bool(false);
16623 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
16625 trace_cfg80211_return_bool(ret);
16628 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
16630 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
16631 const u8 *addr, gfp_t gfp)
16633 struct wireless_dev *wdev = dev->ieee80211_ptr;
16636 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
16638 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16639 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
16640 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
16641 trace_cfg80211_return_bool(false);
16644 ret = __nl80211_unexpected_frame(dev,
16645 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
16647 trace_cfg80211_return_bool(ret);
16650 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
16652 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
16653 struct wireless_dev *wdev, u32 nlportid,
16654 int freq, int sig_dbm,
16655 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
16657 struct net_device *netdev = wdev->netdev;
16658 struct sk_buff *msg;
16661 msg = nlmsg_new(100 + len, gfp);
16665 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16671 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16672 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16673 netdev->ifindex)) ||
16674 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16675 NL80211_ATTR_PAD) ||
16676 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(freq)) ||
16677 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, freq % 1000) ||
16679 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16680 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16682 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
16683 goto nla_put_failure;
16685 genlmsg_end(msg, hdr);
16687 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16694 static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie,
16695 const u8 *buf, size_t len, bool ack,
16696 gfp_t gfp, enum nl80211_commands command)
16698 struct wiphy *wiphy = wdev->wiphy;
16699 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16700 struct net_device *netdev = wdev->netdev;
16701 struct sk_buff *msg;
16704 if (command == NL80211_CMD_FRAME_TX_STATUS)
16705 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
16707 trace_cfg80211_control_port_tx_status(wdev, cookie, ack);
16709 msg = nlmsg_new(100 + len, gfp);
16713 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
16719 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16720 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16721 netdev->ifindex)) ||
16722 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16723 NL80211_ATTR_PAD) ||
16724 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16725 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16726 NL80211_ATTR_PAD) ||
16727 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
16728 goto nla_put_failure;
16730 genlmsg_end(msg, hdr);
16732 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16733 NL80211_MCGRP_MLME, gfp);
16740 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
16741 const u8 *buf, size_t len, bool ack,
16744 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16745 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
16747 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
16749 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
16750 const u8 *buf, size_t len, bool ack, gfp_t gfp)
16752 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16753 NL80211_CMD_FRAME_TX_STATUS);
16755 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
16757 static int __nl80211_rx_control_port(struct net_device *dev,
16758 struct sk_buff *skb,
16759 bool unencrypted, gfp_t gfp)
16761 struct wireless_dev *wdev = dev->ieee80211_ptr;
16762 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16763 struct ethhdr *ehdr = eth_hdr(skb);
16764 const u8 *addr = ehdr->h_source;
16765 u16 proto = be16_to_cpu(skb->protocol);
16766 struct sk_buff *msg;
16768 struct nlattr *frame;
16770 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
16775 msg = nlmsg_new(100 + skb->len, gfp);
16779 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
16785 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16786 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16787 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16788 NL80211_ATTR_PAD) ||
16789 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16790 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
16791 (unencrypted && nla_put_flag(msg,
16792 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
16793 goto nla_put_failure;
16795 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
16797 goto nla_put_failure;
16799 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
16800 genlmsg_end(msg, hdr);
16802 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16809 bool cfg80211_rx_control_port(struct net_device *dev,
16810 struct sk_buff *skb, bool unencrypted)
16814 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
16815 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
16816 trace_cfg80211_return_bool(ret == 0);
16819 EXPORT_SYMBOL(cfg80211_rx_control_port);
16821 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
16822 const char *mac, gfp_t gfp)
16824 struct wireless_dev *wdev = dev->ieee80211_ptr;
16825 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16826 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16832 cb = (void **)msg->cb;
16834 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
16840 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16841 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16842 goto nla_put_failure;
16844 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16845 goto nla_put_failure;
16847 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
16849 goto nla_put_failure;
16859 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
16861 void **cb = (void **)msg->cb;
16862 struct cfg80211_registered_device *rdev = cb[2];
16864 nla_nest_end(msg, cb[1]);
16865 genlmsg_end(msg, cb[0]);
16867 memset(msg->cb, 0, sizeof(msg->cb));
16869 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16870 NL80211_MCGRP_MLME, gfp);
16873 void cfg80211_cqm_rssi_notify(struct net_device *dev,
16874 enum nl80211_cqm_rssi_threshold_event rssi_event,
16875 s32 rssi_level, gfp_t gfp)
16877 struct sk_buff *msg;
16878 struct wireless_dev *wdev = dev->ieee80211_ptr;
16879 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16881 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
16883 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
16884 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
16887 if (wdev->cqm_config) {
16888 wdev->cqm_config->last_rssi_event_value = rssi_level;
16890 cfg80211_cqm_rssi_update(rdev, dev);
16892 if (rssi_level == 0)
16893 rssi_level = wdev->cqm_config->last_rssi_event_value;
16896 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16900 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
16902 goto nla_put_failure;
16904 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
16906 goto nla_put_failure;
16908 cfg80211_send_cqm(msg, gfp);
16915 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
16917 void cfg80211_cqm_txe_notify(struct net_device *dev,
16918 const u8 *peer, u32 num_packets,
16919 u32 rate, u32 intvl, gfp_t gfp)
16921 struct sk_buff *msg;
16923 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16927 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
16928 goto nla_put_failure;
16930 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
16931 goto nla_put_failure;
16933 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
16934 goto nla_put_failure;
16936 cfg80211_send_cqm(msg, gfp);
16942 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
16944 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
16945 const u8 *peer, u32 num_packets, gfp_t gfp)
16947 struct sk_buff *msg;
16949 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
16951 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16955 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
16956 goto nla_put_failure;
16958 cfg80211_send_cqm(msg, gfp);
16964 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
16966 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
16968 struct sk_buff *msg;
16970 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16974 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
16975 goto nla_put_failure;
16977 cfg80211_send_cqm(msg, gfp);
16983 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
16985 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
16986 struct net_device *netdev, const u8 *bssid,
16987 const u8 *replay_ctr, gfp_t gfp)
16989 struct sk_buff *msg;
16990 struct nlattr *rekey_attr;
16993 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16997 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
17003 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17004 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17005 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
17006 goto nla_put_failure;
17008 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
17010 goto nla_put_failure;
17012 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
17013 NL80211_REPLAY_CTR_LEN, replay_ctr))
17014 goto nla_put_failure;
17016 nla_nest_end(msg, rekey_attr);
17018 genlmsg_end(msg, hdr);
17020 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17021 NL80211_MCGRP_MLME, gfp);
17028 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
17029 const u8 *replay_ctr, gfp_t gfp)
17031 struct wireless_dev *wdev = dev->ieee80211_ptr;
17032 struct wiphy *wiphy = wdev->wiphy;
17033 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17035 trace_cfg80211_gtk_rekey_notify(dev, bssid);
17036 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
17038 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
17041 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
17042 struct net_device *netdev, int index,
17043 const u8 *bssid, bool preauth, gfp_t gfp)
17045 struct sk_buff *msg;
17046 struct nlattr *attr;
17049 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17053 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
17059 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17060 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17061 goto nla_put_failure;
17063 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
17065 goto nla_put_failure;
17067 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
17068 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
17070 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
17071 goto nla_put_failure;
17073 nla_nest_end(msg, attr);
17075 genlmsg_end(msg, hdr);
17077 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17078 NL80211_MCGRP_MLME, gfp);
17085 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
17086 const u8 *bssid, bool preauth, gfp_t gfp)
17088 struct wireless_dev *wdev = dev->ieee80211_ptr;
17089 struct wiphy *wiphy = wdev->wiphy;
17090 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17092 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
17093 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
17095 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
17097 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
17098 struct net_device *netdev,
17099 struct cfg80211_chan_def *chandef,
17101 enum nl80211_commands notif,
17104 struct sk_buff *msg;
17107 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17111 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
17117 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17118 goto nla_put_failure;
17120 if (nl80211_send_chandef(msg, chandef))
17121 goto nla_put_failure;
17123 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
17124 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
17125 goto nla_put_failure;
17127 genlmsg_end(msg, hdr);
17129 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17130 NL80211_MCGRP_MLME, gfp);
17137 void cfg80211_ch_switch_notify(struct net_device *dev,
17138 struct cfg80211_chan_def *chandef)
17140 struct wireless_dev *wdev = dev->ieee80211_ptr;
17141 struct wiphy *wiphy = wdev->wiphy;
17142 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17144 ASSERT_WDEV_LOCK(wdev);
17146 trace_cfg80211_ch_switch_notify(dev, chandef);
17148 wdev->chandef = *chandef;
17149 wdev->preset_chandef = *chandef;
17151 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
17152 wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
17153 !WARN_ON(!wdev->current_bss))
17154 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
17156 cfg80211_sched_dfs_chan_update(rdev);
17158 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17159 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
17161 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
17163 void cfg80211_ch_switch_started_notify(struct net_device *dev,
17164 struct cfg80211_chan_def *chandef,
17167 struct wireless_dev *wdev = dev->ieee80211_ptr;
17168 struct wiphy *wiphy = wdev->wiphy;
17169 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17171 trace_cfg80211_ch_switch_started_notify(dev, chandef);
17173 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17174 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
17176 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
17179 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
17180 const struct cfg80211_chan_def *chandef,
17181 enum nl80211_radar_event event,
17182 struct net_device *netdev, gfp_t gfp)
17184 struct sk_buff *msg;
17187 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17191 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
17197 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17198 goto nla_put_failure;
17200 /* NOP and radar events don't need a netdev parameter */
17202 struct wireless_dev *wdev = netdev->ieee80211_ptr;
17204 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17205 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17207 goto nla_put_failure;
17210 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
17211 goto nla_put_failure;
17213 if (nl80211_send_chandef(msg, chandef))
17214 goto nla_put_failure;
17216 genlmsg_end(msg, hdr);
17218 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17219 NL80211_MCGRP_MLME, gfp);
17226 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
17227 struct sta_opmode_info *sta_opmode,
17230 struct sk_buff *msg;
17231 struct wireless_dev *wdev = dev->ieee80211_ptr;
17232 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17238 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17242 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
17248 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17249 goto nla_put_failure;
17251 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17252 goto nla_put_failure;
17254 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17255 goto nla_put_failure;
17257 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
17258 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
17259 goto nla_put_failure;
17261 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
17262 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
17263 goto nla_put_failure;
17265 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
17266 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
17267 goto nla_put_failure;
17269 genlmsg_end(msg, hdr);
17271 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17272 NL80211_MCGRP_MLME, gfp);
17279 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
17281 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
17282 u64 cookie, bool acked, s32 ack_signal,
17283 bool is_valid_ack_signal, gfp_t gfp)
17285 struct wireless_dev *wdev = dev->ieee80211_ptr;
17286 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17287 struct sk_buff *msg;
17290 trace_cfg80211_probe_status(dev, addr, cookie, acked);
17292 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17297 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
17303 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17304 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17305 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17306 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
17307 NL80211_ATTR_PAD) ||
17308 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
17309 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
17311 goto nla_put_failure;
17313 genlmsg_end(msg, hdr);
17315 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17316 NL80211_MCGRP_MLME, gfp);
17322 EXPORT_SYMBOL(cfg80211_probe_status);
17324 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
17325 size_t len, int freq, int sig_dbm)
17327 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17328 struct sk_buff *msg;
17330 struct cfg80211_beacon_registration *reg;
17332 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
17334 spin_lock_bh(&rdev->beacon_registrations_lock);
17335 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
17336 msg = nlmsg_new(len + 100, GFP_ATOMIC);
17338 spin_unlock_bh(&rdev->beacon_registrations_lock);
17342 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
17344 goto nla_put_failure;
17346 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17348 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
17349 KHZ_TO_MHZ(freq)) ||
17350 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
17353 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
17354 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
17355 goto nla_put_failure;
17357 genlmsg_end(msg, hdr);
17359 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
17361 spin_unlock_bh(&rdev->beacon_registrations_lock);
17365 spin_unlock_bh(&rdev->beacon_registrations_lock);
17368 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
17371 static int cfg80211_net_detect_results(struct sk_buff *msg,
17372 struct cfg80211_wowlan_wakeup *wakeup)
17374 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
17375 struct nlattr *nl_results, *nl_match, *nl_freqs;
17378 nl_results = nla_nest_start_noflag(msg,
17379 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
17383 for (i = 0; i < nd->n_matches; i++) {
17384 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
17386 nl_match = nla_nest_start_noflag(msg, i);
17390 /* The SSID attribute is optional in nl80211, but for
17391 * simplicity reasons it's always present in the
17392 * cfg80211 structure. If a driver can't pass the
17393 * SSID, that needs to be changed. A zero length SSID
17394 * is still a valid SSID (wildcard), so it cannot be
17395 * used for this purpose.
17397 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
17398 match->ssid.ssid)) {
17399 nla_nest_cancel(msg, nl_match);
17403 if (match->n_channels) {
17404 nl_freqs = nla_nest_start_noflag(msg,
17405 NL80211_ATTR_SCAN_FREQUENCIES);
17407 nla_nest_cancel(msg, nl_match);
17411 for (j = 0; j < match->n_channels; j++) {
17412 if (nla_put_u32(msg, j, match->channels[j])) {
17413 nla_nest_cancel(msg, nl_freqs);
17414 nla_nest_cancel(msg, nl_match);
17419 nla_nest_end(msg, nl_freqs);
17422 nla_nest_end(msg, nl_match);
17426 nla_nest_end(msg, nl_results);
17430 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
17431 struct cfg80211_wowlan_wakeup *wakeup,
17434 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17435 struct sk_buff *msg;
17439 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
17442 size += wakeup->packet_present_len;
17444 msg = nlmsg_new(size, gfp);
17448 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
17452 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17453 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17457 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17458 wdev->netdev->ifindex))
17462 struct nlattr *reasons;
17464 reasons = nla_nest_start_noflag(msg,
17465 NL80211_ATTR_WOWLAN_TRIGGERS);
17469 if (wakeup->disconnect &&
17470 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
17472 if (wakeup->magic_pkt &&
17473 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
17475 if (wakeup->gtk_rekey_failure &&
17476 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
17478 if (wakeup->eap_identity_req &&
17479 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
17481 if (wakeup->four_way_handshake &&
17482 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
17484 if (wakeup->rfkill_release &&
17485 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
17488 if (wakeup->pattern_idx >= 0 &&
17489 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
17490 wakeup->pattern_idx))
17493 if (wakeup->tcp_match &&
17494 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
17497 if (wakeup->tcp_connlost &&
17498 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
17501 if (wakeup->tcp_nomoretokens &&
17503 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
17506 if (wakeup->packet) {
17507 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
17508 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
17510 if (!wakeup->packet_80211) {
17512 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
17514 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
17517 if (wakeup->packet_len &&
17518 nla_put_u32(msg, len_attr, wakeup->packet_len))
17521 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
17526 if (wakeup->net_detect &&
17527 cfg80211_net_detect_results(msg, wakeup))
17530 nla_nest_end(msg, reasons);
17533 genlmsg_end(msg, hdr);
17535 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17536 NL80211_MCGRP_MLME, gfp);
17542 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
17545 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
17546 enum nl80211_tdls_operation oper,
17547 u16 reason_code, gfp_t gfp)
17549 struct wireless_dev *wdev = dev->ieee80211_ptr;
17550 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17551 struct sk_buff *msg;
17554 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
17557 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17561 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
17567 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17568 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17569 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
17570 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
17571 (reason_code > 0 &&
17572 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
17573 goto nla_put_failure;
17575 genlmsg_end(msg, hdr);
17577 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17578 NL80211_MCGRP_MLME, gfp);
17584 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
17586 static int nl80211_netlink_notify(struct notifier_block * nb,
17587 unsigned long state,
17590 struct netlink_notify *notify = _notify;
17591 struct cfg80211_registered_device *rdev;
17592 struct wireless_dev *wdev;
17593 struct cfg80211_beacon_registration *reg, *tmp;
17595 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
17596 return NOTIFY_DONE;
17600 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
17601 struct cfg80211_sched_scan_request *sched_scan_req;
17603 list_for_each_entry_rcu(sched_scan_req,
17604 &rdev->sched_scan_req_list,
17606 if (sched_scan_req->owner_nlportid == notify->portid) {
17607 sched_scan_req->nl_owner_dead = true;
17608 schedule_work(&rdev->sched_scan_stop_wk);
17612 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
17613 cfg80211_mlme_unregister_socket(wdev, notify->portid);
17615 if (wdev->owner_nlportid == notify->portid) {
17616 wdev->nl_owner_dead = true;
17617 schedule_work(&rdev->destroy_work);
17618 } else if (wdev->conn_owner_nlportid == notify->portid) {
17619 schedule_work(&wdev->disconnect_wk);
17622 cfg80211_release_pmsr(wdev, notify->portid);
17625 spin_lock_bh(&rdev->beacon_registrations_lock);
17626 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
17628 if (reg->nlportid == notify->portid) {
17629 list_del(®->list);
17634 spin_unlock_bh(&rdev->beacon_registrations_lock);
17640 * It is possible that the user space process that is controlling the
17641 * indoor setting disappeared, so notify the regulatory core.
17643 regulatory_netlink_notify(notify->portid);
17647 static struct notifier_block nl80211_netlink_notifier = {
17648 .notifier_call = nl80211_netlink_notify,
17651 void cfg80211_ft_event(struct net_device *netdev,
17652 struct cfg80211_ft_event_params *ft_event)
17654 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
17655 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17656 struct sk_buff *msg;
17659 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
17661 if (!ft_event->target_ap)
17664 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
17669 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
17673 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17674 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17675 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
17678 if (ft_event->ies &&
17679 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
17681 if (ft_event->ric_ies &&
17682 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
17683 ft_event->ric_ies))
17686 genlmsg_end(msg, hdr);
17688 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17689 NL80211_MCGRP_MLME, GFP_KERNEL);
17694 EXPORT_SYMBOL(cfg80211_ft_event);
17696 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
17698 struct cfg80211_registered_device *rdev;
17699 struct sk_buff *msg;
17703 rdev = wiphy_to_rdev(wdev->wiphy);
17704 if (!rdev->crit_proto_nlportid)
17707 nlportid = rdev->crit_proto_nlportid;
17708 rdev->crit_proto_nlportid = 0;
17710 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17714 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
17716 goto nla_put_failure;
17718 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17719 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17721 goto nla_put_failure;
17723 genlmsg_end(msg, hdr);
17725 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17731 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
17733 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
17735 struct wiphy *wiphy = wdev->wiphy;
17736 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17737 struct sk_buff *msg;
17740 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17744 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
17748 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17749 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
17750 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17754 genlmsg_end(msg, hdr);
17756 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
17757 NL80211_MCGRP_MLME, GFP_KERNEL);
17763 int cfg80211_external_auth_request(struct net_device *dev,
17764 struct cfg80211_external_auth_params *params,
17767 struct wireless_dev *wdev = dev->ieee80211_ptr;
17768 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17769 struct sk_buff *msg;
17772 if (!wdev->conn_owner_nlportid)
17775 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17779 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
17781 goto nla_put_failure;
17783 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17784 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17785 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
17786 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
17788 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
17789 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
17790 params->ssid.ssid))
17791 goto nla_put_failure;
17793 genlmsg_end(msg, hdr);
17794 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
17795 wdev->conn_owner_nlportid);
17802 EXPORT_SYMBOL(cfg80211_external_auth_request);
17804 void cfg80211_update_owe_info_event(struct net_device *netdev,
17805 struct cfg80211_update_owe_info *owe_info,
17808 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
17809 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17810 struct sk_buff *msg;
17813 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
17815 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17819 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
17821 goto nla_put_failure;
17823 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17824 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17825 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
17826 goto nla_put_failure;
17828 if (!owe_info->ie_len ||
17829 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
17830 goto nla_put_failure;
17832 genlmsg_end(msg, hdr);
17834 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17835 NL80211_MCGRP_MLME, gfp);
17839 genlmsg_cancel(msg, hdr);
17842 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
17844 /* initialisation/exit functions */
17846 int __init nl80211_init(void)
17850 err = genl_register_family(&nl80211_fam);
17854 err = netlink_register_notifier(&nl80211_netlink_notifier);
17860 genl_unregister_family(&nl80211_fam);
17864 void nl80211_exit(void)
17866 netlink_unregister_notifier(&nl80211_netlink_notifier);
17867 genl_unregister_family(&nl80211_fam);